2 * Copyright (c) 2018, 2019, 2020 Stefan Sperling <stsp@openbsd.org>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include "got_compat.h"
19 #include <sys/queue.h>
21 #include <sys/ioctl.h>
25 #if defined(__FreeBSD__) || defined(__APPLE__)
26 #define _XOPEN_SOURCE_EXTENDED /* for ncurses wide-character functions */
47 #include "got_version.h"
48 #include "got_error.h"
49 #include "got_object.h"
50 #include "got_reference.h"
51 #include "got_repository.h"
53 #include "got_opentemp.h"
55 #include "got_cancel.h"
56 #include "got_commit_graph.h"
57 #include "got_blame.h"
58 #include "got_privsep.h"
60 #include "got_worktree.h"
63 #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
67 #define MAX(_a,_b) ((_a) > (_b) ? (_a) : (_b))
71 #define CTRL(x) ((x) & 0x1f)
75 #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
80 const struct got_error *(*cmd_main)(int, char *[]);
81 void (*cmd_usage)(void);
84 __dead static void usage(int, int);
85 __dead static void usage_log(void);
86 __dead static void usage_diff(void);
87 __dead static void usage_blame(void);
88 __dead static void usage_tree(void);
89 __dead static void usage_ref(void);
91 static const struct got_error* cmd_log(int, char *[]);
92 static const struct got_error* cmd_diff(int, char *[]);
93 static const struct got_error* cmd_blame(int, char *[]);
94 static const struct got_error* cmd_tree(int, char *[]);
95 static const struct got_error* cmd_ref(int, char *[]);
97 static const struct tog_cmd tog_commands[] = {
98 { "log", cmd_log, usage_log },
99 { "diff", cmd_diff, usage_diff },
100 { "blame", cmd_blame, usage_blame },
101 { "tree", cmd_tree, usage_tree },
102 { "ref", cmd_ref, usage_ref },
114 /* Match _DIFF to _HELP with enum tog_view_type TOG_VIEW_* counterparts. */
115 enum tog_keymap_type {
116 TOG_KEYMAP_KEYS = -2,
132 #define HSPLIT_SCALE 0.3f /* default horizontal split scale */
134 #define TOG_EOF_STRING "(END)"
136 struct commit_queue_entry {
137 TAILQ_ENTRY(commit_queue_entry) entry;
138 struct got_object_id *id;
139 struct got_commit_object *commit;
142 TAILQ_HEAD(commit_queue_head, commit_queue_entry);
143 struct commit_queue {
145 struct commit_queue_head head;
149 STAILQ_ENTRY(tog_color) entry;
153 STAILQ_HEAD(tog_colors, tog_color);
155 static struct got_reflist_head tog_refs = TAILQ_HEAD_INITIALIZER(tog_refs);
156 static struct got_reflist_object_id_map *tog_refs_idmap;
157 static enum got_diff_algorithm tog_diff_algo = GOT_DIFF_ALGORITHM_MYERS;
159 static const struct got_error *
160 tog_ref_cmp_by_name(void *arg, int *cmp, struct got_reference *re1,
161 struct got_reference* re2)
163 const char *name1 = got_ref_get_name(re1);
164 const char *name2 = got_ref_get_name(re2);
165 int isbackup1, isbackup2;
167 /* Sort backup refs towards the bottom of the list. */
168 isbackup1 = strncmp(name1, "refs/got/backup/", 16) == 0;
169 isbackup2 = strncmp(name2, "refs/got/backup/", 16) == 0;
170 if (!isbackup1 && isbackup2) {
173 } else if (isbackup1 && !isbackup2) {
178 *cmp = got_path_cmp(name1, name2, strlen(name1), strlen(name2));
182 static const struct got_error *
183 tog_load_refs(struct got_repository *repo, int sort_by_date)
185 const struct got_error *err;
187 err = got_ref_list(&tog_refs, repo, NULL, sort_by_date ?
188 got_ref_cmp_by_commit_timestamp_descending : tog_ref_cmp_by_name,
193 return got_reflist_object_id_map_create(&tog_refs_idmap, &tog_refs,
200 if (tog_refs_idmap) {
201 got_reflist_object_id_map_free(tog_refs_idmap);
202 tog_refs_idmap = NULL;
204 got_ref_list_free(&tog_refs);
207 static const struct got_error *
208 add_color(struct tog_colors *colors, const char *pattern,
209 int idx, short color)
211 const struct got_error *err = NULL;
212 struct tog_color *tc;
215 if (idx < 1 || idx > COLOR_PAIRS - 1)
218 init_pair(idx, color, -1);
220 tc = calloc(1, sizeof(*tc));
222 return got_error_from_errno("calloc");
223 regerr = regcomp(&tc->regex, pattern,
224 REG_EXTENDED | REG_NOSUB | REG_NEWLINE);
226 static char regerr_msg[512];
227 static char err_msg[512];
228 regerror(regerr, &tc->regex, regerr_msg,
230 snprintf(err_msg, sizeof(err_msg), "regcomp: %s",
232 err = got_error_msg(GOT_ERR_REGEX, err_msg);
237 STAILQ_INSERT_HEAD(colors, tc, entry);
242 free_colors(struct tog_colors *colors)
244 struct tog_color *tc;
246 while (!STAILQ_EMPTY(colors)) {
247 tc = STAILQ_FIRST(colors);
248 STAILQ_REMOVE_HEAD(colors, entry);
254 static struct tog_color *
255 get_color(struct tog_colors *colors, int colorpair)
257 struct tog_color *tc = NULL;
259 STAILQ_FOREACH(tc, colors, entry) {
260 if (tc->colorpair == colorpair)
268 default_color_value(const char *envvar)
270 if (strcmp(envvar, "TOG_COLOR_DIFF_MINUS") == 0)
271 return COLOR_MAGENTA;
272 if (strcmp(envvar, "TOG_COLOR_DIFF_PLUS") == 0)
274 if (strcmp(envvar, "TOG_COLOR_DIFF_CHUNK_HEADER") == 0)
276 if (strcmp(envvar, "TOG_COLOR_DIFF_META") == 0)
278 if (strcmp(envvar, "TOG_COLOR_TREE_SUBMODULE") == 0)
279 return COLOR_MAGENTA;
280 if (strcmp(envvar, "TOG_COLOR_TREE_SYMLINK") == 0)
281 return COLOR_MAGENTA;
282 if (strcmp(envvar, "TOG_COLOR_TREE_DIRECTORY") == 0)
284 if (strcmp(envvar, "TOG_COLOR_TREE_EXECUTABLE") == 0)
286 if (strcmp(envvar, "TOG_COLOR_COMMIT") == 0)
288 if (strcmp(envvar, "TOG_COLOR_AUTHOR") == 0)
290 if (strcmp(envvar, "TOG_COLOR_DATE") == 0)
292 if (strcmp(envvar, "TOG_COLOR_REFS_HEADS") == 0)
294 if (strcmp(envvar, "TOG_COLOR_REFS_TAGS") == 0)
295 return COLOR_MAGENTA;
296 if (strcmp(envvar, "TOG_COLOR_REFS_REMOTES") == 0)
298 if (strcmp(envvar, "TOG_COLOR_REFS_BACKUP") == 0)
305 get_color_value(const char *envvar)
307 const char *val = getenv(envvar);
310 return default_color_value(envvar);
312 if (strcasecmp(val, "black") == 0)
314 if (strcasecmp(val, "red") == 0)
316 if (strcasecmp(val, "green") == 0)
318 if (strcasecmp(val, "yellow") == 0)
320 if (strcasecmp(val, "blue") == 0)
322 if (strcasecmp(val, "magenta") == 0)
323 return COLOR_MAGENTA;
324 if (strcasecmp(val, "cyan") == 0)
326 if (strcasecmp(val, "white") == 0)
328 if (strcasecmp(val, "default") == 0)
331 return default_color_value(envvar);
334 struct tog_diff_view_state {
335 struct got_object_id *id1, *id2;
336 const char *label1, *label2;
340 int first_displayed_line;
341 int last_displayed_line;
344 int ignore_whitespace;
346 struct got_repository *repo;
347 struct got_diff_line *lines;
352 /* passed from log or blame view; may be NULL */
353 struct tog_view *parent_view;
356 pthread_mutex_t tog_mutex = PTHREAD_MUTEX_INITIALIZER;
357 static volatile sig_atomic_t tog_thread_error;
359 struct tog_log_thread_args {
360 pthread_cond_t need_commits;
361 pthread_cond_t commit_loaded;
364 struct got_commit_graph *graph;
365 struct commit_queue *real_commits;
366 const char *in_repo_path;
367 struct got_object_id *start_id;
368 struct got_repository *repo;
372 struct commit_queue_entry **first_displayed_entry;
373 struct commit_queue_entry **selected_entry;
375 int *search_next_done;
379 regex_t *limit_regex;
380 struct commit_queue *limit_commits;
383 struct tog_log_view_state {
384 struct commit_queue *commits;
385 struct commit_queue_entry *first_displayed_entry;
386 struct commit_queue_entry *last_displayed_entry;
387 struct commit_queue_entry *selected_entry;
388 struct commit_queue real_commits;
393 struct got_repository *repo;
394 struct got_object_id *start_id;
397 struct tog_log_thread_args thread_args;
398 struct commit_queue_entry *matched_entry;
399 struct commit_queue_entry *search_entry;
400 struct tog_colors colors;
404 struct commit_queue limit_commits;
407 #define TOG_COLOR_DIFF_MINUS 1
408 #define TOG_COLOR_DIFF_PLUS 2
409 #define TOG_COLOR_DIFF_CHUNK_HEADER 3
410 #define TOG_COLOR_DIFF_META 4
411 #define TOG_COLOR_TREE_SUBMODULE 5
412 #define TOG_COLOR_TREE_SYMLINK 6
413 #define TOG_COLOR_TREE_DIRECTORY 7
414 #define TOG_COLOR_TREE_EXECUTABLE 8
415 #define TOG_COLOR_COMMIT 9
416 #define TOG_COLOR_AUTHOR 10
417 #define TOG_COLOR_DATE 11
418 #define TOG_COLOR_REFS_HEADS 12
419 #define TOG_COLOR_REFS_TAGS 13
420 #define TOG_COLOR_REFS_REMOTES 14
421 #define TOG_COLOR_REFS_BACKUP 15
423 struct tog_blame_cb_args {
424 struct tog_blame_line *lines; /* one per line */
427 struct tog_view *view;
428 struct got_object_id *commit_id;
432 struct tog_blame_thread_args {
434 struct got_repository *repo;
435 struct tog_blame_cb_args *cb_args;
437 got_cancel_cb cancel_cb;
439 pthread_cond_t blame_complete;
445 struct tog_blame_line *lines;
449 struct tog_blame_thread_args thread_args;
450 struct tog_blame_cb_args cb_args;
455 struct tog_blame_view_state {
456 int first_displayed_line;
457 int last_displayed_line;
459 int last_diffed_line;
463 struct got_object_id_queue blamed_commits;
464 struct got_object_qid *blamed_commit;
466 struct got_repository *repo;
467 struct got_object_id *commit_id;
468 struct got_object_id *id_to_log;
469 struct tog_blame blame;
471 struct tog_colors colors;
474 struct tog_parent_tree {
475 TAILQ_ENTRY(tog_parent_tree) entry;
476 struct got_tree_object *tree;
477 struct got_tree_entry *first_displayed_entry;
478 struct got_tree_entry *selected_entry;
482 TAILQ_HEAD(tog_parent_trees, tog_parent_tree);
484 struct tog_tree_view_state {
486 struct got_object_id *commit_id;/* commit which this tree belongs to */
487 struct got_tree_object *root; /* the commit's root tree entry */
488 struct got_tree_object *tree; /* currently displayed (sub-)tree */
489 struct got_tree_entry *first_displayed_entry;
490 struct got_tree_entry *last_displayed_entry;
491 struct got_tree_entry *selected_entry;
492 int ndisplayed, selected, show_ids;
493 struct tog_parent_trees parents; /* parent trees of current sub-tree */
495 struct got_repository *repo;
496 struct got_tree_entry *matched_entry;
497 struct tog_colors colors;
500 struct tog_reflist_entry {
501 TAILQ_ENTRY(tog_reflist_entry) entry;
502 struct got_reference *ref;
506 TAILQ_HEAD(tog_reflist_head, tog_reflist_entry);
508 struct tog_ref_view_state {
509 struct tog_reflist_head refs;
510 struct tog_reflist_entry *first_displayed_entry;
511 struct tog_reflist_entry *last_displayed_entry;
512 struct tog_reflist_entry *selected_entry;
513 int nrefs, ndisplayed, selected, show_date, show_ids, sort_by_date;
514 struct got_repository *repo;
515 struct tog_reflist_entry *matched_entry;
516 struct tog_colors colors;
519 struct tog_help_view_state {
524 int first_displayed_line;
525 int last_displayed_line;
530 enum tog_keymap_type type;
533 #define GENERATE_HELP \
534 KEYMAP_("Global", TOG_KEYMAP_GLOBAL), \
535 KEY_("H F1", "Open view-specific help (double tap for all help)"), \
536 KEY_("k C-p Up", "Move cursor or page up one line"), \
537 KEY_("j C-n Down", "Move cursor or page down one line"), \
538 KEY_("C-b b PgUp", "Scroll the view up one page"), \
539 KEY_("C-f f PgDn Space", "Scroll the view down one page"), \
540 KEY_("C-u u", "Scroll the view up one half page"), \
541 KEY_("C-d d", "Scroll the view down one half page"), \
542 KEY_("g", "Go to line N (default: first line)"), \
543 KEY_("Home =", "Go to the first line"), \
544 KEY_("G", "Go to line N (default: last line)"), \
545 KEY_("End *", "Go to the last line"), \
546 KEY_("l Right", "Scroll the view right"), \
547 KEY_("h Left", "Scroll the view left"), \
548 KEY_("$", "Scroll view to the rightmost position"), \
549 KEY_("0", "Scroll view to the leftmost position"), \
550 KEY_("-", "Decrease size of the focussed split"), \
551 KEY_("+", "Increase size of the focussed split"), \
552 KEY_("Tab", "Switch focus between views"), \
553 KEY_("F", "Toggle fullscreen mode"), \
554 KEY_("S", "Switch split-screen layout"), \
555 KEY_("/", "Open prompt to enter search term"), \
556 KEY_("n", "Find next line/token matching the current search term"), \
557 KEY_("N", "Find previous line/token matching the current search term"),\
558 KEY_("q", "Quit the focussed view; Quit help screen"), \
559 KEY_("Q", "Quit tog"), \
561 KEYMAP_("Log view", TOG_KEYMAP_LOG), \
562 KEY_("< ,", "Move cursor up one commit"), \
563 KEY_("> .", "Move cursor down one commit"), \
564 KEY_("Enter", "Open diff view of the selected commit"), \
565 KEY_("B", "Reload the log view and toggle display of merged commits"), \
566 KEY_("R", "Open ref view of all repository references"), \
567 KEY_("T", "Display tree view of the repository from the selected" \
569 KEY_("@", "Toggle between displaying author and committer name"), \
570 KEY_("&", "Open prompt to enter term to limit commits displayed"), \
571 KEY_("C-g Backspace", "Cancel current search or log operation"), \
572 KEY_("C-l", "Reload the log view with new commits in the repository"), \
574 KEYMAP_("Diff view", TOG_KEYMAP_DIFF), \
575 KEY_("K < ,", "Display diff of next line in the file/log entry"), \
576 KEY_("J > .", "Display diff of previous line in the file/log entry"), \
577 KEY_("A", "Toggle between Myers and Patience diff algorithm"), \
578 KEY_("a", "Toggle treatment of file as ASCII irrespective of binary" \
580 KEY_("(", "Go to the previous file in the diff"), \
581 KEY_(")", "Go to the next file in the diff"), \
582 KEY_("{", "Go to the previous hunk in the diff"), \
583 KEY_("}", "Go to the next hunk in the diff"), \
584 KEY_("[", "Decrease the number of context lines"), \
585 KEY_("]", "Increase the number of context lines"), \
586 KEY_("w", "Toggle ignore whitespace-only changes in the diff"), \
588 KEYMAP_("Blame view", TOG_KEYMAP_BLAME), \
589 KEY_("Enter", "Display diff view of the selected line's commit"), \
590 KEY_("A", "Toggle diff algorithm between Myers and Patience"), \
591 KEY_("L", "Open log view for the currently selected annotated line"), \
592 KEY_("C", "Reload view with the previously blamed commit"), \
593 KEY_("c", "Reload view with the version of the file found in the" \
594 " selected line's commit"), \
595 KEY_("p", "Reload view with the version of the file found in the" \
596 " selected line's parent commit"), \
598 KEYMAP_("Tree view", TOG_KEYMAP_TREE), \
599 KEY_("Enter", "Enter selected directory or open blame view of the" \
601 KEY_("L", "Open log view for the selected entry"), \
602 KEY_("R", "Open ref view of all repository references"), \
603 KEY_("i", "Show object IDs for all tree entries"), \
604 KEY_("Backspace", "Return to the parent directory"), \
606 KEYMAP_("Ref view", TOG_KEYMAP_REF), \
607 KEY_("Enter", "Display log view of the selected reference"), \
608 KEY_("T", "Display tree view of the selected reference"), \
609 KEY_("i", "Toggle display of IDs for all non-symbolic references"), \
610 KEY_("m", "Toggle display of last modified date for each reference"), \
611 KEY_("o", "Toggle reference sort order (name -> timestamp)"), \
612 KEY_("C-l", "Reload view with all repository references")
617 enum tog_keymap_type type;
620 /* curses io for tog regress */
628 static int using_mock_io;
630 #define TOG_KEY_SCRDUMP SHRT_MIN
633 * We implement two types of views: parent views and child views.
635 * The 'Tab' key switches focus between a parent view and its child view.
636 * Child views are shown side-by-side to their parent view, provided
637 * there is enough screen estate.
639 * When a new view is opened from within a parent view, this new view
640 * becomes a child view of the parent view, replacing any existing child.
642 * When a new view is opened from within a child view, this new view
643 * becomes a parent view which will obscure the views below until the
644 * user quits the new parent view by typing 'q'.
646 * This list of views contains parent views only.
647 * Child views are only pointed to by their parent view.
649 TAILQ_HEAD(tog_view_list_head, tog_view);
652 TAILQ_ENTRY(tog_view) entry;
655 int nlines, ncols, begin_y, begin_x; /* based on split height/width */
656 int resized_y, resized_x; /* begin_y/x based on user resizing */
657 int maxx, x; /* max column and current start column */
658 int lines, cols; /* copies of LINES and COLS */
659 int nscrolled, offset; /* lines scrolled and hsplit line offset */
660 int gline, hiline; /* navigate to and highlight this nG line */
661 int ch, count; /* current keymap and count prefix */
662 int resized; /* set when in a resize event */
663 int focussed; /* Only set on one parent or child view at a time. */
665 struct tog_view *parent;
666 struct tog_view *child;
669 * This flag is initially set on parent views when a new child view
670 * is created. It gets toggled when the 'Tab' key switches focus
671 * between parent and child.
672 * The flag indicates whether focus should be passed on to our child
673 * view if this parent view gets picked for focus after another parent
674 * view was closed. This prevents child views from losing focus in such
679 enum tog_view_mode mode;
680 /* type-specific state */
681 enum tog_view_type type;
683 struct tog_diff_view_state diff;
684 struct tog_log_view_state log;
685 struct tog_blame_view_state blame;
686 struct tog_tree_view_state tree;
687 struct tog_ref_view_state ref;
688 struct tog_help_view_state help;
691 const struct got_error *(*show)(struct tog_view *);
692 const struct got_error *(*input)(struct tog_view **,
693 struct tog_view *, int);
694 const struct got_error *(*reset)(struct tog_view *);
695 const struct got_error *(*resize)(struct tog_view *, int);
696 const struct got_error *(*close)(struct tog_view *);
698 const struct got_error *(*search_start)(struct tog_view *);
699 const struct got_error *(*search_next)(struct tog_view *);
700 void (*search_setup)(struct tog_view *, FILE **, off_t **, size_t *,
701 int **, int **, int **, int **);
704 #define TOG_SEARCH_FORWARD 1
705 #define TOG_SEARCH_BACKWARD 2
706 int search_next_done;
707 #define TOG_SEARCH_HAVE_MORE 1
708 #define TOG_SEARCH_NO_MORE 2
709 #define TOG_SEARCH_HAVE_NONE 3
715 static const struct got_error *open_diff_view(struct tog_view *,
716 struct got_object_id *, struct got_object_id *,
717 const char *, const char *, int, int, int, struct tog_view *,
718 struct got_repository *);
719 static const struct got_error *show_diff_view(struct tog_view *);
720 static const struct got_error *input_diff_view(struct tog_view **,
721 struct tog_view *, int);
722 static const struct got_error *reset_diff_view(struct tog_view *);
723 static const struct got_error* close_diff_view(struct tog_view *);
724 static const struct got_error *search_start_diff_view(struct tog_view *);
725 static void search_setup_diff_view(struct tog_view *, FILE **, off_t **,
726 size_t *, int **, int **, int **, int **);
727 static const struct got_error *search_next_view_match(struct tog_view *);
729 static const struct got_error *open_log_view(struct tog_view *,
730 struct got_object_id *, struct got_repository *,
731 const char *, const char *, int);
732 static const struct got_error * show_log_view(struct tog_view *);
733 static const struct got_error *input_log_view(struct tog_view **,
734 struct tog_view *, int);
735 static const struct got_error *resize_log_view(struct tog_view *, int);
736 static const struct got_error *close_log_view(struct tog_view *);
737 static const struct got_error *search_start_log_view(struct tog_view *);
738 static const struct got_error *search_next_log_view(struct tog_view *);
740 static const struct got_error *open_blame_view(struct tog_view *, char *,
741 struct got_object_id *, struct got_repository *);
742 static const struct got_error *show_blame_view(struct tog_view *);
743 static const struct got_error *input_blame_view(struct tog_view **,
744 struct tog_view *, int);
745 static const struct got_error *reset_blame_view(struct tog_view *);
746 static const struct got_error *close_blame_view(struct tog_view *);
747 static const struct got_error *search_start_blame_view(struct tog_view *);
748 static void search_setup_blame_view(struct tog_view *, FILE **, off_t **,
749 size_t *, int **, int **, int **, int **);
751 static const struct got_error *open_tree_view(struct tog_view *,
752 struct got_object_id *, const char *, struct got_repository *);
753 static const struct got_error *show_tree_view(struct tog_view *);
754 static const struct got_error *input_tree_view(struct tog_view **,
755 struct tog_view *, int);
756 static const struct got_error *close_tree_view(struct tog_view *);
757 static const struct got_error *search_start_tree_view(struct tog_view *);
758 static const struct got_error *search_next_tree_view(struct tog_view *);
760 static const struct got_error *open_ref_view(struct tog_view *,
761 struct got_repository *);
762 static const struct got_error *show_ref_view(struct tog_view *);
763 static const struct got_error *input_ref_view(struct tog_view **,
764 struct tog_view *, int);
765 static const struct got_error *close_ref_view(struct tog_view *);
766 static const struct got_error *search_start_ref_view(struct tog_view *);
767 static const struct got_error *search_next_ref_view(struct tog_view *);
769 static const struct got_error *open_help_view(struct tog_view *,
771 static const struct got_error *show_help_view(struct tog_view *);
772 static const struct got_error *input_help_view(struct tog_view **,
773 struct tog_view *, int);
774 static const struct got_error *reset_help_view(struct tog_view *);
775 static const struct got_error* close_help_view(struct tog_view *);
776 static const struct got_error *search_start_help_view(struct tog_view *);
777 static void search_setup_help_view(struct tog_view *, FILE **, off_t **,
778 size_t *, int **, int **, int **, int **);
780 static volatile sig_atomic_t tog_sigwinch_received;
781 static volatile sig_atomic_t tog_sigpipe_received;
782 static volatile sig_atomic_t tog_sigcont_received;
783 static volatile sig_atomic_t tog_sigint_received;
784 static volatile sig_atomic_t tog_sigterm_received;
787 tog_sigwinch(int signo)
789 tog_sigwinch_received = 1;
793 tog_sigpipe(int signo)
795 tog_sigpipe_received = 1;
799 tog_sigcont(int signo)
801 tog_sigcont_received = 1;
805 tog_sigint(int signo)
807 tog_sigint_received = 1;
811 tog_sigterm(int signo)
813 tog_sigterm_received = 1;
817 tog_fatal_signal_received(void)
819 return (tog_sigpipe_received ||
820 tog_sigint_received || tog_sigterm_received);
823 static const struct got_error *
824 view_close(struct tog_view *view)
826 const struct got_error *err = NULL, *child_err = NULL;
829 child_err = view_close(view->child);
833 err = view->close(view);
835 del_panel(view->panel);
837 delwin(view->window);
839 return err ? err : child_err;
842 static struct tog_view *
843 view_open(int nlines, int ncols, int begin_y, int begin_x,
844 enum tog_view_type type)
846 struct tog_view *view = calloc(1, sizeof(*view));
854 view->nlines = nlines ? nlines : LINES - begin_y;
855 view->ncols = ncols ? ncols : COLS - begin_x;
856 view->begin_y = begin_y;
857 view->begin_x = begin_x;
858 view->window = newwin(nlines, ncols, begin_y, begin_x);
859 if (view->window == NULL) {
863 view->panel = new_panel(view->window);
864 if (view->panel == NULL ||
865 set_panel_userptr(view->panel, view) != OK) {
870 keypad(view->window, TRUE);
875 view_split_begin_x(int begin_x)
877 if (begin_x > 0 || COLS < 120)
879 return (COLS - MAX(COLS / 2, 80));
882 /* XXX Stub till we decide what to do. */
884 view_split_begin_y(int lines)
886 return lines * HSPLIT_SCALE;
889 static const struct got_error *view_resize(struct tog_view *);
891 static const struct got_error *
892 view_splitscreen(struct tog_view *view)
894 const struct got_error *err = NULL;
896 if (!view->resized && view->mode == TOG_VIEW_SPLIT_HRZN) {
897 if (view->resized_y && view->resized_y < view->lines)
898 view->begin_y = view->resized_y;
900 view->begin_y = view_split_begin_y(view->nlines);
902 } else if (!view->resized) {
903 if (view->resized_x && view->resized_x < view->cols - 1 &&
905 view->begin_x = view->resized_x;
907 view->begin_x = view_split_begin_x(0);
910 view->nlines = LINES - view->begin_y;
911 view->ncols = COLS - view->begin_x;
914 err = view_resize(view);
918 if (view->parent && view->mode == TOG_VIEW_SPLIT_HRZN)
919 view->parent->nlines = view->begin_y;
921 if (mvwin(view->window, view->begin_y, view->begin_x) == ERR)
922 return got_error_from_errno("mvwin");
927 static const struct got_error *
928 view_fullscreen(struct tog_view *view)
930 const struct got_error *err = NULL;
933 view->begin_y = view->resized ? view->begin_y : 0;
934 view->nlines = view->resized ? view->nlines : LINES;
938 err = view_resize(view);
942 if (mvwin(view->window, view->begin_y, view->begin_x) == ERR)
943 return got_error_from_errno("mvwin");
949 view_is_parent_view(struct tog_view *view)
951 return view->parent == NULL;
955 view_is_splitscreen(struct tog_view *view)
957 return view->begin_x > 0 || view->begin_y > 0;
961 view_is_fullscreen(struct tog_view *view)
963 return view->nlines == LINES && view->ncols == COLS;
967 view_is_hsplit_top(struct tog_view *view)
969 return view->mode == TOG_VIEW_SPLIT_HRZN && view->child &&
970 view_is_splitscreen(view->child);
974 view_border(struct tog_view *view)
977 const struct tog_view *view_above;
980 return view_border(view->parent);
982 panel = panel_above(view->panel);
986 view_above = panel_userptr(panel);
987 if (view->mode == TOG_VIEW_SPLIT_HRZN)
988 mvwhline(view->window, view_above->begin_y - 1,
989 view->begin_x, ACS_HLINE, view->ncols);
991 mvwvline(view->window, view->begin_y, view_above->begin_x - 1,
992 ACS_VLINE, view->nlines);
995 static const struct got_error *view_init_hsplit(struct tog_view *, int);
996 static const struct got_error *request_log_commits(struct tog_view *);
997 static const struct got_error *offset_selection_down(struct tog_view *);
998 static void offset_selection_up(struct tog_view *);
999 static void view_get_split(struct tog_view *, int *, int *);
1001 static const struct got_error *
1002 view_resize(struct tog_view *view)
1004 const struct got_error *err = NULL;
1005 int dif, nlines, ncols;
1007 dif = LINES - view->lines; /* line difference */
1009 if (view->lines > LINES)
1010 nlines = view->nlines - (view->lines - LINES);
1012 nlines = view->nlines + (LINES - view->lines);
1013 if (view->cols > COLS)
1014 ncols = view->ncols - (view->cols - COLS);
1016 ncols = view->ncols + (COLS - view->cols);
1019 int hs = view->child->begin_y;
1021 if (!view_is_fullscreen(view))
1022 view->child->begin_x = view_split_begin_x(view->begin_x);
1023 if (view->mode == TOG_VIEW_SPLIT_HRZN ||
1024 view->child->begin_x == 0) {
1027 view_fullscreen(view->child);
1028 if (view->child->focussed)
1029 show_panel(view->child->panel);
1031 show_panel(view->panel);
1033 ncols = view->child->begin_x;
1035 view_splitscreen(view->child);
1036 show_panel(view->child->panel);
1039 * XXX This is ugly and needs to be moved into the above
1040 * logic but "works" for now and my attempts at moving it
1041 * break either 'tab' or 'F' key maps in horizontal splits.
1044 err = view_splitscreen(view->child);
1047 if (dif < 0) { /* top split decreased */
1048 err = offset_selection_down(view);
1055 show_panel(view->child->panel);
1056 nlines = view->nlines;
1058 } else if (view->parent == NULL)
1061 if (view->resize && dif > 0) {
1062 err = view->resize(view, dif);
1067 if (wresize(view->window, nlines, ncols) == ERR)
1068 return got_error_from_errno("wresize");
1069 if (replace_panel(view->panel, view->window) == ERR)
1070 return got_error_from_errno("replace_panel");
1071 wclear(view->window);
1073 view->nlines = nlines;
1074 view->ncols = ncols;
1075 view->lines = LINES;
1081 static const struct got_error *
1082 resize_log_view(struct tog_view *view, int increase)
1084 struct tog_log_view_state *s = &view->state.log;
1085 const struct got_error *err = NULL;
1088 if (s->selected_entry)
1089 n = s->selected_entry->idx + view->lines - s->selected;
1092 * Request commits to account for the increased
1093 * height so we have enough to populate the view.
1095 if (s->commits->ncommits < n) {
1096 view->nscrolled = n - s->commits->ncommits + increase + 1;
1097 err = request_log_commits(view);
1104 view_adjust_offset(struct tog_view *view, int n)
1109 if (view->parent && view->parent->offset) {
1110 if (view->parent->offset + n >= 0)
1111 view->parent->offset += n;
1113 view->parent->offset = 0;
1114 } else if (view->offset) {
1115 if (view->offset - n >= 0)
1122 static const struct got_error *
1123 view_resize_split(struct tog_view *view, int resize)
1125 const struct got_error *err = NULL;
1126 struct tog_view *v = NULL;
1133 if (!v->child || !view_is_splitscreen(v->child))
1136 v->resized = v->child->resized = resize; /* lock for resize event */
1138 if (view->mode == TOG_VIEW_SPLIT_HRZN) {
1139 if (v->child->resized_y)
1140 v->child->begin_y = v->child->resized_y;
1142 v->child->begin_y -= resize;
1144 v->child->begin_y += resize;
1145 if (v->child->begin_y < 3) {
1147 v->child->begin_y = 3;
1148 } else if (v->child->begin_y > LINES - 1) {
1150 v->child->begin_y = LINES - 1;
1153 v->child->ncols = COLS;
1154 view_adjust_offset(view, resize);
1155 err = view_init_hsplit(v, v->child->begin_y);
1158 v->child->resized_y = v->child->begin_y;
1160 if (v->child->resized_x)
1161 v->child->begin_x = v->child->resized_x;
1163 v->child->begin_x -= resize;
1165 v->child->begin_x += resize;
1166 if (v->child->begin_x < 11) {
1168 v->child->begin_x = 11;
1169 } else if (v->child->begin_x > COLS - 1) {
1171 v->child->begin_x = COLS - 1;
1173 v->child->resized_x = v->child->begin_x;
1176 v->child->mode = v->mode;
1177 v->child->nlines = v->lines - v->child->begin_y;
1178 v->child->ncols = v->cols - v->child->begin_x;
1181 err = view_fullscreen(v);
1184 err = view_splitscreen(v->child);
1188 if (v->mode == TOG_VIEW_SPLIT_HRZN) {
1189 err = offset_selection_down(v->child);
1195 err = v->resize(v, 0);
1196 else if (v->child->resize)
1197 err = v->child->resize(v->child, 0);
1199 v->resized = v->child->resized = 0;
1205 view_transfer_size(struct tog_view *dst, struct tog_view *src)
1207 struct tog_view *v = src->child ? src->child : src;
1209 dst->resized_x = v->resized_x;
1210 dst->resized_y = v->resized_y;
1213 static const struct got_error *
1214 view_close_child(struct tog_view *view)
1216 const struct got_error *err = NULL;
1218 if (view->child == NULL)
1221 err = view_close(view->child);
1226 static const struct got_error *
1227 view_set_child(struct tog_view *view, struct tog_view *child)
1229 const struct got_error *err = NULL;
1231 view->child = child;
1232 child->parent = view;
1234 err = view_resize(view);
1238 if (view->child->resized_x || view->child->resized_y)
1239 err = view_resize_split(view, 0);
1244 static const struct got_error *view_dispatch_request(struct tog_view **,
1245 struct tog_view *, enum tog_view_type, int, int);
1247 static const struct got_error *
1248 view_request_new(struct tog_view **requested, struct tog_view *view,
1249 enum tog_view_type request)
1251 struct tog_view *new_view = NULL;
1252 const struct got_error *err;
1257 if (view_is_parent_view(view) && request != TOG_VIEW_HELP)
1258 view_get_split(view, &y, &x);
1260 err = view_dispatch_request(&new_view, view, request, y, x);
1264 if (view_is_parent_view(view) && view->mode == TOG_VIEW_SPLIT_HRZN &&
1265 request != TOG_VIEW_HELP) {
1266 err = view_init_hsplit(view, y);
1272 new_view->focussed = 1;
1273 new_view->mode = view->mode;
1274 new_view->nlines = request == TOG_VIEW_HELP ?
1275 view->lines : view->lines - y;
1277 if (view_is_parent_view(view) && request != TOG_VIEW_HELP) {
1278 view_transfer_size(new_view, view);
1279 err = view_close_child(view);
1282 err = view_set_child(view, new_view);
1285 view->focus_child = 1;
1287 *requested = new_view;
1293 tog_resizeterm(void)
1296 struct winsize size;
1298 if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &size) < 0) {
1299 cols = 80; /* Default */
1303 lines = size.ws_row;
1305 resize_term(lines, cols);
1308 static const struct got_error *
1309 view_search_start(struct tog_view *view, int fast_refresh)
1311 const struct got_error *err = NULL;
1312 struct tog_view *v = view;
1316 if (view->search_started) {
1317 regfree(&view->regex);
1318 view->searching = 0;
1319 memset(&view->regmatch, 0, sizeof(view->regmatch));
1321 view->search_started = 0;
1323 if (view->nlines < 1)
1326 if (view_is_hsplit_top(view))
1328 else if (view->mode == TOG_VIEW_SPLIT_VERT && view->parent)
1331 mvwaddstr(v->window, v->nlines - 1, 0, "/");
1332 wclrtoeol(v->window);
1334 nodelay(v->window, FALSE); /* block for search term input */
1337 ret = wgetnstr(v->window, pattern, sizeof(pattern));
1338 wrefresh(v->window);
1341 nodelay(v->window, TRUE);
1342 if (!fast_refresh && !using_mock_io)
1347 if (regcomp(&view->regex, pattern, REG_EXTENDED | REG_NEWLINE) == 0) {
1348 err = view->search_start(view);
1350 regfree(&view->regex);
1353 view->search_started = 1;
1354 view->searching = TOG_SEARCH_FORWARD;
1355 view->search_next_done = 0;
1356 view->search_next(view);
1362 /* Switch split mode. If view is a parent or child, draw the new splitscreen. */
1363 static const struct got_error *
1364 switch_split(struct tog_view *view)
1366 const struct got_error *err = NULL;
1367 struct tog_view *v = NULL;
1374 if (v->mode == TOG_VIEW_SPLIT_HRZN)
1375 v->mode = TOG_VIEW_SPLIT_VERT;
1377 v->mode = TOG_VIEW_SPLIT_HRZN;
1381 else if (v->mode == TOG_VIEW_SPLIT_VERT && v->cols < 120)
1382 v->mode = TOG_VIEW_SPLIT_NONE;
1384 view_get_split(v, &v->child->begin_y, &v->child->begin_x);
1385 if (v->mode == TOG_VIEW_SPLIT_HRZN && v->child->resized_y)
1386 v->child->begin_y = v->child->resized_y;
1387 else if (v->mode == TOG_VIEW_SPLIT_VERT && v->child->resized_x)
1388 v->child->begin_x = v->child->resized_x;
1391 if (v->mode == TOG_VIEW_SPLIT_HRZN) {
1393 v->child->ncols = COLS;
1394 v->child->nscrolled = LINES - v->child->nlines;
1396 err = view_init_hsplit(v, v->child->begin_y);
1400 v->child->mode = v->mode;
1401 v->child->nlines = v->lines - v->child->begin_y;
1404 err = view_fullscreen(v);
1407 err = view_splitscreen(v->child);
1411 if (v->mode == TOG_VIEW_SPLIT_NONE)
1412 v->mode = TOG_VIEW_SPLIT_VERT;
1413 if (v->mode == TOG_VIEW_SPLIT_HRZN) {
1414 err = offset_selection_down(v);
1417 err = offset_selection_down(v->child);
1421 offset_selection_up(v);
1422 offset_selection_up(v->child);
1425 err = v->resize(v, 0);
1426 else if (v->child->resize)
1427 err = v->child->resize(v->child, 0);
1433 * Strip trailing whitespace from str starting at byte *n;
1434 * if *n < 0, use strlen(str). Return new str length in *n.
1437 strip_trailing_ws(char *str, int *n)
1441 if (str == NULL || *str == '\0')
1447 while (x-- > 0 && isspace((unsigned char)str[x]))
1454 * Extract visible substring of line y from the curses screen
1455 * and strip trailing whitespace. If vline is set, overwrite
1456 * line[vline] with '|' because the ACS_VLINE character is
1457 * written out as 'x'. Write the line to file f.
1459 static const struct got_error *
1460 view_write_line(FILE *f, int y, int vline)
1462 char line[COLS * MB_LEN_MAX]; /* allow for multibyte chars */
1465 r = mvwinnstr(curscr, y, 0, line, sizeof(line));
1467 return got_error_fmt(GOT_ERR_RANGE,
1468 "failed to extract line %d", y);
1471 * In some views, lines are padded with blanks to COLS width.
1472 * Strip them so we can diff without the -b flag when testing.
1474 strip_trailing_ws(line, &r);
1479 w = fprintf(f, "%s\n", line);
1480 if (w != r + 1) /* \n */
1481 return got_ferror(f, GOT_ERR_IO);
1487 * Capture the visible curses screen by writing each line to the
1488 * file at the path set via the TOG_SCR_DUMP environment variable.
1490 static const struct got_error *
1491 screendump(struct tog_view *view)
1493 const struct got_error *err;
1496 err = got_opentemp_truncate(tog_io.sdump);
1500 if ((view->child && view->child->begin_x) ||
1501 (view->parent && view->begin_x)) {
1502 int ncols = view->child ? view->ncols : view->parent->ncols;
1504 /* vertical splitscreen */
1505 for (i = 0; i < view->nlines; ++i) {
1506 err = view_write_line(tog_io.sdump, i, ncols - 1);
1513 /* fullscreen or horizontal splitscreen */
1514 if ((view->child && view->child->begin_y) ||
1515 (view->parent && view->begin_y)) /* hsplit */
1516 hline = view->child ?
1517 view->child->begin_y : view->begin_y;
1519 for (i = 0; i < view->lines; i++) {
1520 if (hline && i == hline - 1) {
1523 /* ACS_HLINE writes out as 'q', overwrite it */
1524 for (c = 0; c < view->cols; ++c)
1525 fputc('-', tog_io.sdump);
1526 fputc('\n', tog_io.sdump);
1530 err = view_write_line(tog_io.sdump, i, 0);
1541 * Compute view->count from numeric input. Assign total to view->count and
1542 * return first non-numeric key entered.
1545 get_compound_key(struct tog_view *view, int c)
1547 struct tog_view *v = view;
1550 if (view_is_hsplit_top(view))
1552 else if (view->mode == TOG_VIEW_SPLIT_VERT && view->parent)
1556 cbreak(); /* block for input */
1557 nodelay(view->window, FALSE);
1558 wmove(v->window, v->nlines - 1, 0);
1559 wclrtoeol(v->window);
1560 waddch(v->window, ':');
1563 x = getcurx(v->window);
1564 if (x != ERR && x < view->ncols) {
1565 waddch(v->window, c);
1566 wrefresh(v->window);
1570 * Don't overflow. Max valid request should be the greatest
1571 * between the longest and total lines; cap at 10 million.
1576 n = n * 10 + (c - '0');
1577 } while (((c = wgetch(view->window))) >= '0' && c <= '9' && c != ERR);
1579 if (c == 'G' || c == 'g') { /* nG key map */
1580 view->gline = view->hiline = n;
1585 /* Massage excessive or inapplicable values at the input handler. */
1592 action_report(struct tog_view *view)
1594 struct tog_view *v = view;
1596 if (view_is_hsplit_top(view))
1598 else if (view->mode == TOG_VIEW_SPLIT_VERT && view->parent)
1601 wmove(v->window, v->nlines - 1, 0);
1602 wclrtoeol(v->window);
1603 wprintw(v->window, ":%s", view->action);
1604 wrefresh(v->window);
1607 * Clear action status report. Only clear in blame view
1608 * once annotating is complete, otherwise it's too fast.
1610 if (view->type == TOG_VIEW_BLAME) {
1611 if (view->state.blame.blame_complete)
1612 view->action = NULL;
1614 view->action = NULL;
1618 * Read the next line from the test script and assign
1619 * key instruction to *ch. If at EOF, set the *done flag.
1621 static const struct got_error *
1622 tog_read_script_key(FILE *script, struct tog_view *view, int *ch, int *done)
1624 const struct got_error *err = NULL;
1628 if (view->count && --view->count) {
1634 if (getline(&line, &linesz, script) == -1) {
1639 err = got_ferror(script, GOT_ERR_IO);
1644 if (strncasecmp(line, "WAIT_FOR_UI", 11) == 0)
1645 tog_io.wait_for_ui = 1;
1646 else if (strncasecmp(line, "KEY_ENTER", 9) == 0)
1648 else if (strncasecmp(line, "KEY_RIGHT", 9) == 0)
1650 else if (strncasecmp(line, "KEY_LEFT", 8) == 0)
1652 else if (strncasecmp(line, "KEY_DOWN", 8) == 0)
1654 else if (strncasecmp(line, "KEY_UP", 6) == 0)
1656 else if (strncasecmp(line, "TAB", 3) == 0)
1658 else if (strncasecmp(line, "SCREENDUMP", 10) == 0)
1659 *ch = TOG_KEY_SCRDUMP;
1660 else if (isdigit((unsigned char)*line)) {
1663 while (isdigit((unsigned char)*t))
1665 view->ch = *ch = *t;
1667 /* ignore error, view->count is 0 if instruction is invalid */
1668 view->count = strtonum(line, 0, INT_MAX, NULL);
1677 static const struct got_error *
1678 view_input(struct tog_view **new, int *done, struct tog_view *view,
1679 struct tog_view_list_head *views, int fast_refresh)
1681 const struct got_error *err = NULL;
1688 action_report(view);
1690 /* Clear "no matches" indicator. */
1691 if (view->search_next_done == TOG_SEARCH_NO_MORE ||
1692 view->search_next_done == TOG_SEARCH_HAVE_NONE) {
1693 view->search_next_done = TOG_SEARCH_HAVE_MORE;
1697 if (view->searching && !view->search_next_done) {
1698 errcode = pthread_mutex_unlock(&tog_mutex);
1700 return got_error_set_errno(errcode,
1701 "pthread_mutex_unlock");
1703 errcode = pthread_mutex_lock(&tog_mutex);
1705 return got_error_set_errno(errcode,
1706 "pthread_mutex_lock");
1707 view->search_next(view);
1711 /* Allow threads to make progress while we are waiting for input. */
1712 errcode = pthread_mutex_unlock(&tog_mutex);
1714 return got_error_set_errno(errcode, "pthread_mutex_unlock");
1716 if (using_mock_io) {
1717 err = tog_read_script_key(tog_io.f, view, &ch, done);
1719 errcode = pthread_mutex_lock(&tog_mutex);
1722 } else if (view->count && --view->count) {
1724 nodelay(view->window, TRUE);
1725 ch = wgetch(view->window);
1726 /* let C-g or backspace abort unfinished count */
1727 if (ch == CTRL('g') || ch == KEY_BACKSPACE)
1732 ch = wgetch(view->window);
1733 if (ch >= '1' && ch <= '9')
1734 view->ch = ch = get_compound_key(view, ch);
1736 if (view->hiline && ch != ERR && ch != 0)
1737 view->hiline = 0; /* key pressed, clear line highlight */
1738 nodelay(view->window, TRUE);
1739 errcode = pthread_mutex_lock(&tog_mutex);
1741 return got_error_set_errno(errcode, "pthread_mutex_lock");
1743 if (tog_sigwinch_received || tog_sigcont_received) {
1745 tog_sigwinch_received = 0;
1746 tog_sigcont_received = 0;
1747 TAILQ_FOREACH(v, views, entry) {
1748 err = view_resize(v);
1751 err = v->input(new, v, KEY_RESIZE);
1755 err = view_resize(v->child);
1758 err = v->child->input(new, v->child,
1762 if (v->child->resized_x || v->child->resized_y) {
1763 err = view_resize_split(v, 0);
1775 if (view->type == TOG_VIEW_HELP)
1776 err = view->reset(view);
1778 err = view_request_new(new, view, TOG_VIEW_HELP);
1784 view->child->focussed = 1;
1785 view->focus_child = 1;
1786 } else if (view->parent) {
1788 view->parent->focussed = 1;
1789 view->parent->focus_child = 0;
1790 if (!view_is_splitscreen(view)) {
1791 if (view->parent->resize) {
1792 err = view->parent->resize(view->parent,
1797 offset_selection_up(view->parent);
1798 err = view_fullscreen(view->parent);
1805 if (view->parent && view->mode == TOG_VIEW_SPLIT_HRZN) {
1806 if (view->parent->resize) {
1807 /* might need more commits to fill fullscreen */
1808 err = view->parent->resize(view->parent, 0);
1812 offset_selection_up(view->parent);
1814 err = view->input(new, view, ch);
1822 if (view_is_parent_view(view)) {
1823 if (view->child == NULL)
1825 if (view_is_splitscreen(view->child)) {
1827 view->child->focussed = 1;
1828 err = view_fullscreen(view->child);
1830 err = view_splitscreen(view->child);
1832 err = view_resize_split(view, 0);
1836 err = view->child->input(new, view->child,
1839 if (view_is_splitscreen(view)) {
1840 view->parent->focussed = 0;
1842 err = view_fullscreen(view);
1844 err = view_splitscreen(view);
1845 if (!err && view->mode != TOG_VIEW_SPLIT_HRZN)
1846 err = view_resize(view->parent);
1848 err = view_resize_split(view, 0);
1852 err = view->input(new, view, KEY_RESIZE);
1857 err = view->resize(view, 0);
1862 if (view->parent->resize) {
1863 err = view->parent->resize(view->parent, 0);
1867 err = offset_selection_down(view->parent);
1871 err = offset_selection_down(view);
1875 err = switch_split(view);
1878 err = view_resize_split(view, -1);
1881 err = view_resize_split(view, 1);
1887 if (view->search_start)
1888 view_search_start(view, fast_refresh);
1890 err = view->input(new, view, ch);
1894 if (view->search_started && view->search_next) {
1895 view->searching = (ch == 'n' ?
1896 TOG_SEARCH_FORWARD : TOG_SEARCH_BACKWARD);
1897 view->search_next_done = 0;
1898 view->search_next(view);
1900 err = view->input(new, view, ch);
1903 if (tog_diff_algo == GOT_DIFF_ALGORITHM_MYERS) {
1904 tog_diff_algo = GOT_DIFF_ALGORITHM_PATIENCE;
1905 view->action = "Patience diff algorithm";
1907 tog_diff_algo = GOT_DIFF_ALGORITHM_MYERS;
1908 view->action = "Myers diff algorithm";
1910 TAILQ_FOREACH(v, views, entry) {
1916 if (v->child && v->child->reset) {
1917 err = v->child->reset(v->child);
1923 case TOG_KEY_SCRDUMP:
1924 err = screendump(view);
1927 err = view->input(new, view, ch);
1935 view_needs_focus_indication(struct tog_view *view)
1937 if (view_is_parent_view(view)) {
1938 if (view->child == NULL || view->child->focussed)
1940 if (!view_is_splitscreen(view->child))
1942 } else if (!view_is_splitscreen(view))
1945 return view->focussed;
1948 static const struct got_error *
1951 const struct got_error *err = NULL;
1953 if (tog_io.cin && fclose(tog_io.cin) == EOF)
1954 err = got_ferror(tog_io.cin, GOT_ERR_IO);
1955 if (tog_io.cout && fclose(tog_io.cout) == EOF && err == NULL)
1956 err = got_ferror(tog_io.cout, GOT_ERR_IO);
1957 if (tog_io.f && fclose(tog_io.f) == EOF && err == NULL)
1958 err = got_ferror(tog_io.f, GOT_ERR_IO);
1959 if (tog_io.sdump && fclose(tog_io.sdump) == EOF && err == NULL)
1960 err = got_ferror(tog_io.sdump, GOT_ERR_IO);
1965 static const struct got_error *
1966 view_loop(struct tog_view *view)
1968 const struct got_error *err = NULL;
1969 struct tog_view_list_head views;
1970 struct tog_view *new_view;
1972 int fast_refresh = 10;
1973 int done = 0, errcode;
1975 mode = getenv("TOG_VIEW_SPLIT_MODE");
1976 if (!mode || !(*mode == 'h' || *mode == 'H'))
1977 view->mode = TOG_VIEW_SPLIT_VERT;
1979 view->mode = TOG_VIEW_SPLIT_HRZN;
1981 errcode = pthread_mutex_lock(&tog_mutex);
1983 return got_error_set_errno(errcode, "pthread_mutex_lock");
1986 TAILQ_INSERT_HEAD(&views, view, entry);
1989 err = view->show(view);
1994 while (!TAILQ_EMPTY(&views) && !done && !tog_thread_error &&
1995 !tog_fatal_signal_received()) {
1996 /* Refresh fast during initialization, then become slower. */
1997 if (fast_refresh && --fast_refresh == 0 && !using_mock_io)
1998 halfdelay(10); /* switch to once per second */
2000 err = view_input(&new_view, &done, view, &views, fast_refresh);
2004 if (view->dying && view == TAILQ_FIRST(&views) &&
2005 TAILQ_NEXT(view, entry) == NULL)
2011 * When we quit, scroll the screen up a single line
2012 * so we don't lose any information.
2014 TAILQ_FOREACH(v, &views, entry) {
2015 wmove(v->window, 0, 0);
2016 wdeleteln(v->window);
2017 wnoutrefresh(v->window);
2018 if (v->child && !view_is_fullscreen(v)) {
2019 wmove(v->child->window, 0, 0);
2020 wdeleteln(v->child->window);
2021 wnoutrefresh(v->child->window);
2028 struct tog_view *v, *prev = NULL;
2030 if (view_is_parent_view(view))
2031 prev = TAILQ_PREV(view, tog_view_list_head,
2033 else if (view->parent)
2034 prev = view->parent;
2037 view->parent->child = NULL;
2038 view->parent->focus_child = 0;
2039 /* Restore fullscreen line height. */
2040 view->parent->nlines = view->parent->lines;
2041 err = view_resize(view->parent);
2044 /* Make resized splits persist. */
2045 view_transfer_size(view->parent, view);
2047 TAILQ_REMOVE(&views, view, entry);
2049 err = view_close(view);
2054 TAILQ_FOREACH(v, &views, entry) {
2058 if (view == NULL && new_view == NULL) {
2059 /* No view has focus. Try to pick one. */
2062 else if (!TAILQ_EMPTY(&views)) {
2063 view = TAILQ_LAST(&views,
2064 tog_view_list_head);
2067 if (view->focus_child) {
2068 view->child->focussed = 1;
2076 struct tog_view *v, *t;
2077 /* Only allow one parent view per type. */
2078 TAILQ_FOREACH_SAFE(v, &views, entry, t) {
2079 if (v->type != new_view->type)
2081 TAILQ_REMOVE(&views, v, entry);
2082 err = view_close(v);
2087 TAILQ_INSERT_TAIL(&views, new_view, entry);
2090 if (view && !done) {
2091 if (view_is_parent_view(view)) {
2092 if (view->child && view->child->focussed)
2095 if (view->parent && view->parent->focussed)
2096 view = view->parent;
2098 show_panel(view->panel);
2099 if (view->child && view_is_splitscreen(view->child))
2100 show_panel(view->child->panel);
2101 if (view->parent && view_is_splitscreen(view)) {
2102 err = view->parent->show(view->parent);
2106 err = view->show(view);
2110 err = view->child->show(view->child);
2119 while (!TAILQ_EMPTY(&views)) {
2120 const struct got_error *close_err;
2121 view = TAILQ_FIRST(&views);
2122 TAILQ_REMOVE(&views, view, entry);
2123 close_err = view_close(view);
2124 if (close_err && err == NULL)
2128 errcode = pthread_mutex_unlock(&tog_mutex);
2129 if (errcode && err == NULL)
2130 err = got_error_set_errno(errcode, "pthread_mutex_unlock");
2140 "usage: %s log [-b] [-c commit] [-r repository-path] [path]\n",
2145 /* Create newly allocated wide-character string equivalent to a byte string. */
2146 static const struct got_error *
2147 mbs2ws(wchar_t **ws, size_t *wlen, const char *s)
2150 const struct got_error *err = NULL;
2153 *wlen = mbstowcs(NULL, s, 0);
2154 if (*wlen == (size_t)-1) {
2156 if (errno != EILSEQ)
2157 return got_error_from_errno("mbstowcs");
2159 /* byte string invalid in current encoding; try to "fix" it */
2160 err = got_mbsavis(&vis, &vislen, s);
2163 *wlen = mbstowcs(NULL, vis, 0);
2164 if (*wlen == (size_t)-1) {
2165 err = got_error_from_errno("mbstowcs"); /* give up */
2170 *ws = calloc(*wlen + 1, sizeof(**ws));
2172 err = got_error_from_errno("calloc");
2176 if (mbstowcs(*ws, vis ? vis : s, *wlen) != *wlen)
2177 err = got_error_from_errno("mbstowcs");
2188 static const struct got_error *
2189 expand_tab(char **ptr, const char *src)
2192 size_t len, n, idx = 0, sz = 0;
2195 n = len = strlen(src);
2196 dst = malloc(n + 1);
2198 return got_error_from_errno("malloc");
2200 while (idx < len && src[idx]) {
2201 const char c = src[idx];
2204 size_t nb = TABSIZE - sz % TABSIZE;
2207 p = realloc(dst, n + nb);
2210 return got_error_from_errno("realloc");
2215 memset(dst + sz, ' ', nb);
2218 dst[sz++] = src[idx];
2228 * Advance at most n columns from wline starting at offset off.
2229 * Return the index to the first character after the span operation.
2230 * Return the combined column width of all spanned wide characters in
2234 span_wline(int *rcol, int off, wchar_t *wline, int n, int col_tab_align)
2236 int width, i, cols = 0;
2243 for (i = off; wline[i] != L'\0'; ++i) {
2244 if (wline[i] == L'\t')
2245 width = TABSIZE - ((cols + col_tab_align) % TABSIZE);
2247 width = wcwidth(wline[i]);
2254 if (cols + width > n)
2264 * Format a line for display, ensuring that it won't overflow a width limit.
2265 * With scrolling, the width returned refers to the scrolled version of the
2266 * line, which starts at (*wlinep)[*scrollxp]. The caller must free *wlinep.
2268 static const struct got_error *
2269 format_line(wchar_t **wlinep, int *widthp, int *scrollxp,
2270 const char *line, int nscroll, int wlimit, int col_tab_align, int expand)
2272 const struct got_error *err = NULL;
2274 wchar_t *wline = NULL;
2283 err = expand_tab(&exstr, line);
2288 err = mbs2ws(&wline, &wlen, expand ? exstr : line);
2293 scrollx = span_wline(&cols, 0, wline, nscroll, col_tab_align);
2295 if (wlen > 0 && wline[wlen - 1] == L'\n') {
2296 wline[wlen - 1] = L'\0';
2299 if (wlen > 0 && wline[wlen - 1] == L'\r') {
2300 wline[wlen - 1] = L'\0';
2304 i = span_wline(&cols, scrollx, wline, wlimit, col_tab_align);
2310 *scrollxp = scrollx;
2318 static const struct got_error*
2319 build_refs_str(char **refs_str, struct got_reflist_head *refs,
2320 struct got_object_id *id, struct got_repository *repo)
2322 static const struct got_error *err = NULL;
2323 struct got_reflist_entry *re;
2332 TAILQ_FOREACH(re, refs, entry) {
2333 struct got_tag_object *tag = NULL;
2334 struct got_object_id *ref_id;
2337 name = got_ref_get_name(re->ref);
2338 if (strcmp(name, GOT_REF_HEAD) == 0)
2340 if (strncmp(name, "refs/", 5) == 0)
2342 if (strncmp(name, "got/", 4) == 0)
2344 if (strncmp(name, "heads/", 6) == 0)
2346 if (strncmp(name, "remotes/", 8) == 0) {
2348 s = strstr(name, "/" GOT_REF_HEAD);
2349 if (s != NULL && strcmp(s, "/" GOT_REF_HEAD) == 0)
2352 err = got_ref_resolve(&ref_id, repo, re->ref);
2355 if (strncmp(name, "tags/", 5) == 0) {
2356 err = got_object_open_as_tag(&tag, repo, ref_id);
2358 if (err->code != GOT_ERR_OBJ_TYPE) {
2362 /* Ref points at something other than a tag. */
2367 cmp = got_object_id_cmp(tag ?
2368 got_object_tag_get_object_id(tag) : ref_id, id);
2371 got_object_tag_close(tag);
2375 if (asprintf(refs_str, "%s%s%s", s ? s : "",
2376 s ? ", " : "", name) == -1) {
2377 err = got_error_from_errno("asprintf");
2388 static const struct got_error *
2389 format_author(wchar_t **wauthor, int *author_width, char *author, int limit,
2394 smallerthan = strchr(author, '<');
2395 if (smallerthan && smallerthan[1] != '\0')
2396 author = smallerthan + 1;
2397 author[strcspn(author, "@>")] = '\0';
2398 return format_line(wauthor, author_width, NULL, author, 0, limit,
2402 static const struct got_error *
2403 draw_commit(struct tog_view *view, struct got_commit_object *commit,
2404 struct got_object_id *id, const size_t date_display_cols,
2405 int author_display_cols)
2407 struct tog_log_view_state *s = &view->state.log;
2408 const struct got_error *err = NULL;
2409 char datebuf[12]; /* YYYY-MM-DD + SPACE + NUL */
2410 char *refs_str = NULL;
2411 char *logmsg0 = NULL, *logmsg = NULL;
2412 char *author = NULL;
2413 wchar_t *wrefstr = NULL, *wlogmsg = NULL, *wauthor = NULL;
2414 int author_width, refstr_width, logmsg_width;
2415 char *newline, *line = NULL;
2416 int col, limit, scrollx, logmsg_x;
2417 const int avail = view->ncols;
2419 time_t committer_time;
2420 struct tog_color *tc;
2421 struct got_reflist_head *refs;
2423 committer_time = got_object_commit_get_committer_time(commit);
2424 if (gmtime_r(&committer_time, &tm) == NULL)
2425 return got_error_from_errno("gmtime_r");
2426 if (strftime(datebuf, sizeof(datebuf), "%G-%m-%d ", &tm) == 0)
2427 return got_error(GOT_ERR_NO_SPACE);
2429 if (avail <= date_display_cols)
2430 limit = MIN(sizeof(datebuf) - 1, avail);
2432 limit = MIN(date_display_cols, sizeof(datebuf) - 1);
2433 tc = get_color(&s->colors, TOG_COLOR_DATE);
2435 wattr_on(view->window,
2436 COLOR_PAIR(tc->colorpair), NULL);
2437 waddnstr(view->window, datebuf, limit);
2439 wattr_off(view->window,
2440 COLOR_PAIR(tc->colorpair), NULL);
2447 err = got_object_id_str(&id_str, id);
2450 tc = get_color(&s->colors, TOG_COLOR_COMMIT);
2452 wattr_on(view->window,
2453 COLOR_PAIR(tc->colorpair), NULL);
2454 wprintw(view->window, "%.8s ", id_str);
2456 wattr_off(view->window,
2457 COLOR_PAIR(tc->colorpair), NULL);
2464 if (s->use_committer)
2465 author = strdup(got_object_commit_get_committer(commit));
2467 author = strdup(got_object_commit_get_author(commit));
2468 if (author == NULL) {
2469 err = got_error_from_errno("strdup");
2472 err = format_author(&wauthor, &author_width, author, avail - col, col);
2475 tc = get_color(&s->colors, TOG_COLOR_AUTHOR);
2477 wattr_on(view->window,
2478 COLOR_PAIR(tc->colorpair), NULL);
2479 waddwstr(view->window, wauthor);
2480 col += author_width;
2481 while (col < avail && author_width < author_display_cols + 2) {
2482 waddch(view->window, ' ');
2487 wattr_off(view->window,
2488 COLOR_PAIR(tc->colorpair), NULL);
2492 err = got_object_commit_get_logmsg(&logmsg0, commit);
2496 while (*logmsg == '\n')
2498 newline = strchr(logmsg, '\n');
2502 limit = avail - col;
2503 if (view->child && !view_is_hsplit_top(view) && limit > 0)
2504 limit--; /* for the border */
2506 /* Prepend reference labels to log message if possible .*/
2507 refs = got_reflist_object_id_map_lookup(tog_refs_idmap, id);
2508 err = build_refs_str(&refs_str, refs, id, s->repo);
2514 if (asprintf(&rs, "[%s]", refs_str) == -1) {
2515 err = got_error_from_errno("asprintf");
2518 err = format_line(&wrefstr, &refstr_width,
2519 &scrollx, rs, view->x, limit, col, 1);
2523 tc = get_color(&s->colors, TOG_COLOR_COMMIT);
2525 wattr_on(view->window,
2526 COLOR_PAIR(tc->colorpair), NULL);
2527 waddwstr(view->window, &wrefstr[scrollx]);
2529 wattr_off(view->window,
2530 COLOR_PAIR(tc->colorpair), NULL);
2531 col += MAX(refstr_width, 0);
2536 waddch(view->window, ' ');
2540 if (refstr_width > 0)
2543 int unscrolled_refstr_width;
2544 size_t len = wcslen(wrefstr);
2547 * No need to check for -1 return value here since
2548 * unprintables have been replaced by span_wline().
2550 unscrolled_refstr_width = wcswidth(wrefstr, len);
2551 unscrolled_refstr_width += 1; /* trailing space */
2552 logmsg_x = view->x - unscrolled_refstr_width;
2555 limit = avail - col;
2556 if (view->child && !view_is_hsplit_top(view) && limit > 0)
2557 limit--; /* for the border */
2561 err = format_line(&wlogmsg, &logmsg_width, &scrollx, logmsg, logmsg_x,
2565 waddwstr(view->window, &wlogmsg[scrollx]);
2566 col += MAX(logmsg_width, 0);
2567 while (col < avail) {
2568 waddch(view->window, ' ');
2582 static struct commit_queue_entry *
2583 alloc_commit_queue_entry(struct got_commit_object *commit,
2584 struct got_object_id *id)
2586 struct commit_queue_entry *entry;
2587 struct got_object_id *dup;
2589 entry = calloc(1, sizeof(*entry));
2593 dup = got_object_id_dup(id);
2600 entry->commit = commit;
2605 pop_commit(struct commit_queue *commits)
2607 struct commit_queue_entry *entry;
2609 entry = TAILQ_FIRST(&commits->head);
2610 TAILQ_REMOVE(&commits->head, entry, entry);
2611 got_object_commit_close(entry->commit);
2612 commits->ncommits--;
2618 free_commits(struct commit_queue *commits)
2620 while (!TAILQ_EMPTY(&commits->head))
2621 pop_commit(commits);
2624 static const struct got_error *
2625 match_commit(int *have_match, struct got_object_id *id,
2626 struct got_commit_object *commit, regex_t *regex)
2628 const struct got_error *err = NULL;
2629 regmatch_t regmatch;
2630 char *id_str = NULL, *logmsg = NULL;
2634 err = got_object_id_str(&id_str, id);
2638 err = got_object_commit_get_logmsg(&logmsg, commit);
2642 if (regexec(regex, got_object_commit_get_author(commit), 1,
2643 ®match, 0) == 0 ||
2644 regexec(regex, got_object_commit_get_committer(commit), 1,
2645 ®match, 0) == 0 ||
2646 regexec(regex, id_str, 1, ®match, 0) == 0 ||
2647 regexec(regex, logmsg, 1, ®match, 0) == 0)
2655 static const struct got_error *
2656 queue_commits(struct tog_log_thread_args *a)
2658 const struct got_error *err = NULL;
2661 * We keep all commits open throughout the lifetime of the log
2662 * view in order to avoid having to re-fetch commits from disk
2663 * while updating the display.
2666 struct got_object_id id;
2667 struct got_commit_object *commit;
2668 struct commit_queue_entry *entry;
2669 int limit_match = 0;
2672 err = got_commit_graph_iter_next(&id, a->graph, a->repo,
2677 err = got_object_open_as_commit(&commit, a->repo, &id);
2680 entry = alloc_commit_queue_entry(commit, &id);
2681 if (entry == NULL) {
2682 err = got_error_from_errno("alloc_commit_queue_entry");
2686 errcode = pthread_mutex_lock(&tog_mutex);
2688 err = got_error_set_errno(errcode,
2689 "pthread_mutex_lock");
2693 entry->idx = a->real_commits->ncommits;
2694 TAILQ_INSERT_TAIL(&a->real_commits->head, entry, entry);
2695 a->real_commits->ncommits++;
2698 err = match_commit(&limit_match, &id, commit,
2704 struct commit_queue_entry *matched;
2706 matched = alloc_commit_queue_entry(
2707 entry->commit, entry->id);
2708 if (matched == NULL) {
2709 err = got_error_from_errno(
2710 "alloc_commit_queue_entry");
2713 matched->commit = entry->commit;
2714 got_object_commit_retain(entry->commit);
2716 matched->idx = a->limit_commits->ncommits;
2717 TAILQ_INSERT_TAIL(&a->limit_commits->head,
2719 a->limit_commits->ncommits++;
2723 * This is how we signal log_thread() that we
2724 * have found a match, and that it should be
2725 * counted as a new entry for the view.
2727 a->limit_match = limit_match;
2730 if (*a->searching == TOG_SEARCH_FORWARD &&
2731 !*a->search_next_done) {
2733 err = match_commit(&have_match, &id, commit, a->regex);
2738 if (limit_match && have_match)
2739 *a->search_next_done =
2740 TOG_SEARCH_HAVE_MORE;
2741 } else if (have_match)
2742 *a->search_next_done = TOG_SEARCH_HAVE_MORE;
2745 errcode = pthread_mutex_unlock(&tog_mutex);
2746 if (errcode && err == NULL)
2747 err = got_error_set_errno(errcode,
2748 "pthread_mutex_unlock");
2751 } while (*a->searching == TOG_SEARCH_FORWARD && !*a->search_next_done);
2757 select_commit(struct tog_log_view_state *s)
2759 struct commit_queue_entry *entry;
2762 entry = s->first_displayed_entry;
2764 if (ncommits == s->selected) {
2765 s->selected_entry = entry;
2768 entry = TAILQ_NEXT(entry, entry);
2773 static const struct got_error *
2774 draw_commits(struct tog_view *view)
2776 const struct got_error *err = NULL;
2777 struct tog_log_view_state *s = &view->state.log;
2778 struct commit_queue_entry *entry = s->selected_entry;
2779 int limit = view->nlines;
2781 int ncommits, author_cols = 4, refstr_cols;
2782 char *id_str = NULL, *header = NULL, *ncommits_str = NULL;
2783 char *refs_str = NULL;
2785 struct tog_color *tc;
2786 static const size_t date_display_cols = 12;
2787 struct got_reflist_head *refs;
2789 if (view_is_hsplit_top(view))
2790 --limit; /* account for border */
2792 if (s->selected_entry &&
2793 !(view->searching && view->search_next_done == 0)) {
2794 err = got_object_id_str(&id_str, s->selected_entry->id);
2797 refs = got_reflist_object_id_map_lookup(tog_refs_idmap,
2798 s->selected_entry->id);
2799 err = build_refs_str(&refs_str, refs, s->selected_entry->id,
2805 if (s->thread_args.commits_needed == 0 && !using_mock_io)
2806 halfdelay(10); /* disable fast refresh */
2808 if (s->thread_args.commits_needed > 0 || s->thread_args.load_all) {
2809 if (asprintf(&ncommits_str, " [%d/%d] %s",
2810 entry ? entry->idx + 1 : 0, s->commits->ncommits,
2811 (view->searching && !view->search_next_done) ?
2812 "searching..." : "loading...") == -1) {
2813 err = got_error_from_errno("asprintf");
2817 const char *search_str = NULL;
2818 const char *limit_str = NULL;
2820 if (view->searching) {
2821 if (view->search_next_done == TOG_SEARCH_NO_MORE)
2822 search_str = "no more matches";
2823 else if (view->search_next_done == TOG_SEARCH_HAVE_NONE)
2824 search_str = "no matches found";
2825 else if (!view->search_next_done)
2826 search_str = "searching...";
2829 if (s->limit_view && s->commits->ncommits == 0)
2830 limit_str = "no matches found";
2832 if (asprintf(&ncommits_str, " [%d/%d] %s %s",
2833 entry ? entry->idx + 1 : 0, s->commits->ncommits,
2834 search_str ? search_str : (refs_str ? refs_str : ""),
2835 limit_str ? limit_str : "") == -1) {
2836 err = got_error_from_errno("asprintf");
2844 if (s->in_repo_path && strcmp(s->in_repo_path, "/") != 0) {
2845 if (asprintf(&header, "commit %s %s%s", id_str ? id_str :
2846 "........................................",
2847 s->in_repo_path, ncommits_str) == -1) {
2848 err = got_error_from_errno("asprintf");
2852 } else if (asprintf(&header, "commit %s%s",
2853 id_str ? id_str : "........................................",
2854 ncommits_str) == -1) {
2855 err = got_error_from_errno("asprintf");
2859 err = format_line(&wline, &width, NULL, header, 0, view->ncols, 0, 0);
2863 werase(view->window);
2865 if (view_needs_focus_indication(view))
2866 wstandout(view->window);
2867 tc = get_color(&s->colors, TOG_COLOR_COMMIT);
2869 wattr_on(view->window, COLOR_PAIR(tc->colorpair), NULL);
2870 waddwstr(view->window, wline);
2871 while (width < view->ncols) {
2872 waddch(view->window, ' ');
2876 wattr_off(view->window, COLOR_PAIR(tc->colorpair), NULL);
2877 if (view_needs_focus_indication(view))
2878 wstandend(view->window);
2883 /* Grow author column size if necessary, and set view->maxx. */
2884 entry = s->first_displayed_entry;
2888 struct got_commit_object *c = entry->commit;
2889 char *author, *eol, *msg, *msg0;
2890 wchar_t *wauthor, *wmsg;
2892 if (ncommits >= limit - 1)
2894 if (s->use_committer)
2895 author = strdup(got_object_commit_get_committer(c));
2897 author = strdup(got_object_commit_get_author(c));
2898 if (author == NULL) {
2899 err = got_error_from_errno("strdup");
2902 err = format_author(&wauthor, &width, author, COLS,
2904 if (author_cols < width)
2905 author_cols = width;
2910 refs = got_reflist_object_id_map_lookup(tog_refs_idmap,
2912 err = build_refs_str(&refs_str, refs, entry->id, s->repo);
2917 err = format_line(&ws, &width, NULL, refs_str,
2918 0, INT_MAX, date_display_cols + author_cols, 0);
2924 refstr_cols = width + 3; /* account for [ ] + space */
2927 err = got_object_commit_get_logmsg(&msg0, c);
2931 while (*msg == '\n')
2933 if ((eol = strchr(msg, '\n')))
2935 err = format_line(&wmsg, &width, NULL, msg, 0, INT_MAX,
2936 date_display_cols + author_cols + refstr_cols, 0);
2939 view->maxx = MAX(view->maxx, width + refstr_cols);
2943 entry = TAILQ_NEXT(entry, entry);
2946 entry = s->first_displayed_entry;
2947 s->last_displayed_entry = s->first_displayed_entry;
2950 if (ncommits >= limit - 1)
2952 if (ncommits == s->selected)
2953 wstandout(view->window);
2954 err = draw_commit(view, entry->commit, entry->id,
2955 date_display_cols, author_cols);
2956 if (ncommits == s->selected)
2957 wstandend(view->window);
2961 s->last_displayed_entry = entry;
2962 entry = TAILQ_NEXT(entry, entry);
2975 log_scroll_up(struct tog_log_view_state *s, int maxscroll)
2977 struct commit_queue_entry *entry;
2980 entry = TAILQ_FIRST(&s->commits->head);
2981 if (s->first_displayed_entry == entry)
2984 entry = s->first_displayed_entry;
2985 while (entry && nscrolled < maxscroll) {
2986 entry = TAILQ_PREV(entry, commit_queue_head, entry);
2988 s->first_displayed_entry = entry;
2994 static const struct got_error *
2995 trigger_log_thread(struct tog_view *view, int wait)
2997 struct tog_log_thread_args *ta = &view->state.log.thread_args;
3001 halfdelay(1); /* fast refresh while loading commits */
3003 while (!ta->log_complete && !tog_thread_error &&
3004 (ta->commits_needed > 0 || ta->load_all)) {
3005 /* Wake the log thread. */
3006 errcode = pthread_cond_signal(&ta->need_commits);
3008 return got_error_set_errno(errcode,
3009 "pthread_cond_signal");
3012 * The mutex will be released while the view loop waits
3013 * in wgetch(), at which time the log thread will run.
3018 /* Display progress update in log view. */
3019 show_log_view(view);
3023 /* Wait right here while next commit is being loaded. */
3024 errcode = pthread_cond_wait(&ta->commit_loaded, &tog_mutex);
3026 return got_error_set_errno(errcode,
3027 "pthread_cond_wait");
3029 /* Display progress update in log view. */
3030 show_log_view(view);
3038 static const struct got_error *
3039 request_log_commits(struct tog_view *view)
3041 struct tog_log_view_state *state = &view->state.log;
3042 const struct got_error *err = NULL;
3044 if (state->thread_args.log_complete)
3047 state->thread_args.commits_needed += view->nscrolled;
3048 err = trigger_log_thread(view, 1);
3049 view->nscrolled = 0;
3054 static const struct got_error *
3055 log_scroll_down(struct tog_view *view, int maxscroll)
3057 struct tog_log_view_state *s = &view->state.log;
3058 const struct got_error *err = NULL;
3059 struct commit_queue_entry *pentry;
3060 int nscrolled = 0, ncommits_needed;
3062 if (s->last_displayed_entry == NULL)
3065 ncommits_needed = s->last_displayed_entry->idx + 1 + maxscroll;
3066 if (s->commits->ncommits < ncommits_needed &&
3067 !s->thread_args.log_complete) {
3069 * Ask the log thread for required amount of commits.
3071 s->thread_args.commits_needed +=
3072 ncommits_needed - s->commits->ncommits;
3073 err = trigger_log_thread(view, 1);
3079 pentry = TAILQ_NEXT(s->last_displayed_entry, entry);
3080 if (pentry == NULL && view->mode != TOG_VIEW_SPLIT_HRZN)
3083 s->last_displayed_entry = pentry ?
3084 pentry : s->last_displayed_entry;
3086 pentry = TAILQ_NEXT(s->first_displayed_entry, entry);
3089 s->first_displayed_entry = pentry;
3090 } while (++nscrolled < maxscroll);
3092 if (view->mode == TOG_VIEW_SPLIT_HRZN && !s->thread_args.log_complete)
3093 view->nscrolled += nscrolled;
3095 view->nscrolled = 0;
3100 static const struct got_error *
3101 open_diff_view_for_commit(struct tog_view **new_view, int begin_y, int begin_x,
3102 struct got_commit_object *commit, struct got_object_id *commit_id,
3103 struct tog_view *log_view, struct got_repository *repo)
3105 const struct got_error *err;
3106 struct got_object_qid *parent_id;
3107 struct tog_view *diff_view;
3109 diff_view = view_open(0, 0, begin_y, begin_x, TOG_VIEW_DIFF);
3110 if (diff_view == NULL)
3111 return got_error_from_errno("view_open");
3113 parent_id = STAILQ_FIRST(got_object_commit_get_parent_ids(commit));
3114 err = open_diff_view(diff_view, parent_id ? &parent_id->id : NULL,
3115 commit_id, NULL, NULL, 3, 0, 0, log_view, repo);
3117 *new_view = diff_view;
3121 static const struct got_error *
3122 tree_view_visit_subtree(struct tog_tree_view_state *s,
3123 struct got_tree_object *subtree)
3125 struct tog_parent_tree *parent;
3127 parent = calloc(1, sizeof(*parent));
3129 return got_error_from_errno("calloc");
3131 parent->tree = s->tree;
3132 parent->first_displayed_entry = s->first_displayed_entry;
3133 parent->selected_entry = s->selected_entry;
3134 parent->selected = s->selected;
3135 TAILQ_INSERT_HEAD(&s->parents, parent, entry);
3138 s->first_displayed_entry = NULL;
3142 static const struct got_error *
3143 tree_view_walk_path(struct tog_tree_view_state *s,
3144 struct got_commit_object *commit, const char *path)
3146 const struct got_error *err = NULL;
3147 struct got_tree_object *tree = NULL;
3149 char *slash, *subpath = NULL;
3151 /* Walk the path and open corresponding tree objects. */
3154 struct got_tree_entry *te;
3155 struct got_object_id *tree_id;
3161 /* Ensure the correct subtree entry is selected. */
3162 slash = strchr(p, '/');
3164 te_name = strdup(p);
3166 te_name = strndup(p, slash - p);
3167 if (te_name == NULL) {
3168 err = got_error_from_errno("strndup");
3171 te = got_object_tree_find_entry(s->tree, te_name);
3173 err = got_error_path(te_name, GOT_ERR_NO_TREE_ENTRY);
3178 s->first_displayed_entry = s->selected_entry = te;
3180 if (!S_ISDIR(got_tree_entry_get_mode(s->selected_entry)))
3181 break; /* jump to this file's entry */
3183 slash = strchr(p, '/');
3185 subpath = strndup(path, slash - path);
3187 subpath = strdup(path);
3188 if (subpath == NULL) {
3189 err = got_error_from_errno("strdup");
3193 err = got_object_id_by_path(&tree_id, s->repo, commit,
3198 err = got_object_open_as_tree(&tree, s->repo, tree_id);
3203 err = tree_view_visit_subtree(s, tree);
3205 got_object_tree_close(tree);
3219 static const struct got_error *
3220 browse_commit_tree(struct tog_view **new_view, int begin_y, int begin_x,
3221 struct commit_queue_entry *entry, const char *path,
3222 const char *head_ref_name, struct got_repository *repo)
3224 const struct got_error *err = NULL;
3225 struct tog_tree_view_state *s;
3226 struct tog_view *tree_view;
3228 tree_view = view_open(0, 0, begin_y, begin_x, TOG_VIEW_TREE);
3229 if (tree_view == NULL)
3230 return got_error_from_errno("view_open");
3232 err = open_tree_view(tree_view, entry->id, head_ref_name, repo);
3235 s = &tree_view->state.tree;
3237 *new_view = tree_view;
3239 if (got_path_is_root_dir(path))
3242 return tree_view_walk_path(s, entry->commit, path);
3245 static const struct got_error *
3246 block_signals_used_by_main_thread(void)
3251 if (sigemptyset(&sigset) == -1)
3252 return got_error_from_errno("sigemptyset");
3254 /* tog handles SIGWINCH, SIGCONT, SIGINT, SIGTERM */
3255 if (sigaddset(&sigset, SIGWINCH) == -1)
3256 return got_error_from_errno("sigaddset");
3257 if (sigaddset(&sigset, SIGCONT) == -1)
3258 return got_error_from_errno("sigaddset");
3259 if (sigaddset(&sigset, SIGINT) == -1)
3260 return got_error_from_errno("sigaddset");
3261 if (sigaddset(&sigset, SIGTERM) == -1)
3262 return got_error_from_errno("sigaddset");
3264 /* ncurses handles SIGTSTP */
3265 if (sigaddset(&sigset, SIGTSTP) == -1)
3266 return got_error_from_errno("sigaddset");
3268 errcode = pthread_sigmask(SIG_BLOCK, &sigset, NULL);
3270 return got_error_set_errno(errcode, "pthread_sigmask");
3276 log_thread(void *arg)
3278 const struct got_error *err = NULL;
3280 struct tog_log_thread_args *a = arg;
3284 * Sync startup with main thread such that we begin our
3285 * work once view_input() has released the mutex.
3287 errcode = pthread_mutex_lock(&tog_mutex);
3289 err = got_error_set_errno(errcode, "pthread_mutex_lock");
3293 err = block_signals_used_by_main_thread();
3295 pthread_mutex_unlock(&tog_mutex);
3299 while (!done && !err && !tog_fatal_signal_received()) {
3300 errcode = pthread_mutex_unlock(&tog_mutex);
3302 err = got_error_set_errno(errcode,
3303 "pthread_mutex_unlock");
3306 err = queue_commits(a);
3308 if (err->code != GOT_ERR_ITER_COMPLETED)
3312 } else if (a->commits_needed > 0 && !a->load_all) {
3315 a->commits_needed--;
3317 a->commits_needed--;
3320 errcode = pthread_mutex_lock(&tog_mutex);
3322 err = got_error_set_errno(errcode,
3323 "pthread_mutex_lock");
3325 } else if (*a->quit)
3327 else if (*a->limiting && *a->first_displayed_entry == NULL) {
3328 *a->first_displayed_entry =
3329 TAILQ_FIRST(&a->limit_commits->head);
3330 *a->selected_entry = *a->first_displayed_entry;
3331 } else if (*a->first_displayed_entry == NULL) {
3332 *a->first_displayed_entry =
3333 TAILQ_FIRST(&a->real_commits->head);
3334 *a->selected_entry = *a->first_displayed_entry;
3337 errcode = pthread_cond_signal(&a->commit_loaded);
3339 err = got_error_set_errno(errcode,
3340 "pthread_cond_signal");
3341 pthread_mutex_unlock(&tog_mutex);
3346 a->commits_needed = 0;
3348 if (a->commits_needed == 0 && !a->load_all) {
3349 errcode = pthread_cond_wait(&a->need_commits,
3352 err = got_error_set_errno(errcode,
3353 "pthread_cond_wait");
3354 pthread_mutex_unlock(&tog_mutex);
3362 a->log_complete = 1;
3363 errcode = pthread_mutex_unlock(&tog_mutex);
3365 err = got_error_set_errno(errcode, "pthread_mutex_unlock");
3368 tog_thread_error = 1;
3369 pthread_cond_signal(&a->commit_loaded);
3374 static const struct got_error *
3375 stop_log_thread(struct tog_log_view_state *s)
3377 const struct got_error *err = NULL, *thread_err = NULL;
3382 errcode = pthread_cond_signal(&s->thread_args.need_commits);
3384 return got_error_set_errno(errcode,
3385 "pthread_cond_signal");
3386 errcode = pthread_mutex_unlock(&tog_mutex);
3388 return got_error_set_errno(errcode,
3389 "pthread_mutex_unlock");
3390 errcode = pthread_join(s->thread, (void **)&thread_err);
3392 return got_error_set_errno(errcode, "pthread_join");
3393 errcode = pthread_mutex_lock(&tog_mutex);
3395 return got_error_set_errno(errcode,
3396 "pthread_mutex_lock");
3397 s->thread = 0; //NULL;
3400 if (s->thread_args.repo) {
3401 err = got_repo_close(s->thread_args.repo);
3402 s->thread_args.repo = NULL;
3405 if (s->thread_args.pack_fds) {
3406 const struct got_error *pack_err =
3407 got_repo_pack_fds_close(s->thread_args.pack_fds);
3410 s->thread_args.pack_fds = NULL;
3413 if (s->thread_args.graph) {
3414 got_commit_graph_close(s->thread_args.graph);
3415 s->thread_args.graph = NULL;
3418 return err ? err : thread_err;
3421 static const struct got_error *
3422 close_log_view(struct tog_view *view)
3424 const struct got_error *err = NULL;
3425 struct tog_log_view_state *s = &view->state.log;
3428 err = stop_log_thread(s);
3430 errcode = pthread_cond_destroy(&s->thread_args.need_commits);
3431 if (errcode && err == NULL)
3432 err = got_error_set_errno(errcode, "pthread_cond_destroy");
3434 errcode = pthread_cond_destroy(&s->thread_args.commit_loaded);
3435 if (errcode && err == NULL)
3436 err = got_error_set_errno(errcode, "pthread_cond_destroy");
3438 free_commits(&s->limit_commits);
3439 free_commits(&s->real_commits);
3440 free(s->in_repo_path);
3441 s->in_repo_path = NULL;
3444 free(s->head_ref_name);
3445 s->head_ref_name = NULL;
3450 * We use two queues to implement the limit feature: first consists of
3451 * commits matching the current limit_regex; second is the real queue
3452 * of all known commits (real_commits). When the user starts limiting,
3453 * we swap queues such that all movement and displaying functionality
3454 * works with very slight change.
3456 static const struct got_error *
3457 limit_log_view(struct tog_view *view)
3459 struct tog_log_view_state *s = &view->state.log;
3460 struct commit_queue_entry *entry;
3461 struct tog_view *v = view;
3462 const struct got_error *err = NULL;
3466 if (view_is_hsplit_top(view))
3468 else if (view->mode == TOG_VIEW_SPLIT_VERT && view->parent)
3471 /* Get the pattern */
3472 wmove(v->window, v->nlines - 1, 0);
3473 wclrtoeol(v->window);
3474 mvwaddstr(v->window, v->nlines - 1, 0, "&/");
3475 nodelay(v->window, FALSE);
3478 ret = wgetnstr(v->window, pattern, sizeof(pattern));
3481 nodelay(v->window, TRUE);
3485 if (*pattern == '\0') {
3487 * Safety measure for the situation where the user
3488 * resets limit without previously limiting anything.
3494 * User could have pressed Ctrl+L, which refreshed the
3495 * commit queues, it means we can't save previously
3496 * (before limit took place) displayed entries,
3497 * because they would point to already free'ed memory,
3498 * so we are forced to always select first entry of
3501 s->commits = &s->real_commits;
3502 s->first_displayed_entry = TAILQ_FIRST(&s->real_commits.head);
3503 s->selected_entry = s->first_displayed_entry;
3510 if (regcomp(&s->limit_regex, pattern, REG_EXTENDED | REG_NEWLINE))
3515 /* Clear the screen while loading limit view */
3516 s->first_displayed_entry = NULL;
3517 s->last_displayed_entry = NULL;
3518 s->selected_entry = NULL;
3519 s->commits = &s->limit_commits;
3521 /* Prepare limit queue for new search */
3522 free_commits(&s->limit_commits);
3523 s->limit_commits.ncommits = 0;
3525 /* First process commits, which are in queue already */
3526 TAILQ_FOREACH(entry, &s->real_commits.head, entry) {
3529 err = match_commit(&have_match, entry->id,
3530 entry->commit, &s->limit_regex);
3535 struct commit_queue_entry *matched;
3537 matched = alloc_commit_queue_entry(entry->commit,
3539 if (matched == NULL) {
3540 err = got_error_from_errno(
3541 "alloc_commit_queue_entry");
3544 matched->commit = entry->commit;
3545 got_object_commit_retain(entry->commit);
3547 matched->idx = s->limit_commits.ncommits;
3548 TAILQ_INSERT_TAIL(&s->limit_commits.head,
3550 s->limit_commits.ncommits++;
3554 /* Second process all the commits, until we fill the screen */
3555 if (s->limit_commits.ncommits < view->nlines - 1 &&
3556 !s->thread_args.log_complete) {
3557 s->thread_args.commits_needed +=
3558 view->nlines - s->limit_commits.ncommits - 1;
3559 err = trigger_log_thread(view, 1);
3564 s->first_displayed_entry = TAILQ_FIRST(&s->commits->head);
3565 s->selected_entry = TAILQ_FIRST(&s->commits->head);
3571 static const struct got_error *
3572 search_start_log_view(struct tog_view *view)
3574 struct tog_log_view_state *s = &view->state.log;
3576 s->matched_entry = NULL;
3577 s->search_entry = NULL;
3581 static const struct got_error *
3582 search_next_log_view(struct tog_view *view)
3584 const struct got_error *err = NULL;
3585 struct tog_log_view_state *s = &view->state.log;
3586 struct commit_queue_entry *entry;
3588 /* Display progress update in log view. */
3589 show_log_view(view);
3593 if (s->search_entry) {
3595 errcode = pthread_mutex_unlock(&tog_mutex);
3597 return got_error_set_errno(errcode,
3598 "pthread_mutex_unlock");
3599 ch = wgetch(view->window);
3600 errcode = pthread_mutex_lock(&tog_mutex);
3602 return got_error_set_errno(errcode,
3603 "pthread_mutex_lock");
3604 if (ch == CTRL('g') || ch == KEY_BACKSPACE) {
3605 view->search_next_done = TOG_SEARCH_HAVE_MORE;
3608 if (view->searching == TOG_SEARCH_FORWARD)
3609 entry = TAILQ_NEXT(s->search_entry, entry);
3611 entry = TAILQ_PREV(s->search_entry,
3612 commit_queue_head, entry);
3613 } else if (s->matched_entry) {
3615 * If the user has moved the cursor after we hit a match,
3616 * the position from where we should continue searching
3617 * might have changed.
3619 if (view->searching == TOG_SEARCH_FORWARD)
3620 entry = TAILQ_NEXT(s->selected_entry, entry);
3622 entry = TAILQ_PREV(s->selected_entry, commit_queue_head,
3625 entry = s->selected_entry;
3631 if (entry == NULL) {
3632 if (s->thread_args.log_complete ||
3633 view->searching == TOG_SEARCH_BACKWARD) {
3634 view->search_next_done =
3635 (s->matched_entry == NULL ?
3636 TOG_SEARCH_HAVE_NONE : TOG_SEARCH_NO_MORE);
3637 s->search_entry = NULL;
3641 * Poke the log thread for more commits and return,
3642 * allowing the main loop to make progress. Search
3643 * will resume at s->search_entry once we come back.
3645 s->thread_args.commits_needed++;
3646 return trigger_log_thread(view, 0);
3649 err = match_commit(&have_match, entry->id, entry->commit,
3654 view->search_next_done = TOG_SEARCH_HAVE_MORE;
3655 s->matched_entry = entry;
3659 s->search_entry = entry;
3660 if (view->searching == TOG_SEARCH_FORWARD)
3661 entry = TAILQ_NEXT(entry, entry);
3663 entry = TAILQ_PREV(entry, commit_queue_head, entry);
3666 if (s->matched_entry) {
3667 int cur = s->selected_entry->idx;
3668 while (cur < s->matched_entry->idx) {
3669 err = input_log_view(NULL, view, KEY_DOWN);
3674 while (cur > s->matched_entry->idx) {
3675 err = input_log_view(NULL, view, KEY_UP);
3682 s->search_entry = NULL;
3687 static const struct got_error *
3688 open_log_view(struct tog_view *view, struct got_object_id *start_id,
3689 struct got_repository *repo, const char *head_ref_name,
3690 const char *in_repo_path, int log_branches)
3692 const struct got_error *err = NULL;
3693 struct tog_log_view_state *s = &view->state.log;
3694 struct got_repository *thread_repo = NULL;
3695 struct got_commit_graph *thread_graph = NULL;
3698 if (in_repo_path != s->in_repo_path) {
3699 free(s->in_repo_path);
3700 s->in_repo_path = strdup(in_repo_path);
3701 if (s->in_repo_path == NULL) {
3702 err = got_error_from_errno("strdup");
3707 /* The commit queue only contains commits being displayed. */
3708 TAILQ_INIT(&s->real_commits.head);
3709 s->real_commits.ncommits = 0;
3710 s->commits = &s->real_commits;
3712 TAILQ_INIT(&s->limit_commits.head);
3714 s->limit_commits.ncommits = 0;
3717 if (head_ref_name) {
3718 s->head_ref_name = strdup(head_ref_name);
3719 if (s->head_ref_name == NULL) {
3720 err = got_error_from_errno("strdup");
3724 s->start_id = got_object_id_dup(start_id);
3725 if (s->start_id == NULL) {
3726 err = got_error_from_errno("got_object_id_dup");
3729 s->log_branches = log_branches;
3730 s->use_committer = 1;
3732 STAILQ_INIT(&s->colors);
3733 if (has_colors() && getenv("TOG_COLORS") != NULL) {
3734 err = add_color(&s->colors, "^$", TOG_COLOR_COMMIT,
3735 get_color_value("TOG_COLOR_COMMIT"));
3738 err = add_color(&s->colors, "^$", TOG_COLOR_AUTHOR,
3739 get_color_value("TOG_COLOR_AUTHOR"));
3741 free_colors(&s->colors);
3744 err = add_color(&s->colors, "^$", TOG_COLOR_DATE,
3745 get_color_value("TOG_COLOR_DATE"));
3747 free_colors(&s->colors);
3752 view->show = show_log_view;
3753 view->input = input_log_view;
3754 view->resize = resize_log_view;
3755 view->close = close_log_view;
3756 view->search_start = search_start_log_view;
3757 view->search_next = search_next_log_view;
3759 if (s->thread_args.pack_fds == NULL) {
3760 err = got_repo_pack_fds_open(&s->thread_args.pack_fds);
3764 err = got_repo_open(&thread_repo, got_repo_get_path(repo), NULL,
3765 s->thread_args.pack_fds);
3768 err = got_commit_graph_open(&thread_graph, s->in_repo_path,
3772 err = got_commit_graph_iter_start(thread_graph, s->start_id,
3773 s->repo, NULL, NULL);
3777 errcode = pthread_cond_init(&s->thread_args.need_commits, NULL);
3779 err = got_error_set_errno(errcode, "pthread_cond_init");
3782 errcode = pthread_cond_init(&s->thread_args.commit_loaded, NULL);
3784 err = got_error_set_errno(errcode, "pthread_cond_init");
3788 s->thread_args.commits_needed = view->nlines;
3789 s->thread_args.graph = thread_graph;
3790 s->thread_args.real_commits = &s->real_commits;
3791 s->thread_args.limit_commits = &s->limit_commits;
3792 s->thread_args.in_repo_path = s->in_repo_path;
3793 s->thread_args.start_id = s->start_id;
3794 s->thread_args.repo = thread_repo;
3795 s->thread_args.log_complete = 0;
3796 s->thread_args.quit = &s->quit;
3797 s->thread_args.first_displayed_entry = &s->first_displayed_entry;
3798 s->thread_args.selected_entry = &s->selected_entry;
3799 s->thread_args.searching = &view->searching;
3800 s->thread_args.search_next_done = &view->search_next_done;
3801 s->thread_args.regex = &view->regex;
3802 s->thread_args.limiting = &s->limit_view;
3803 s->thread_args.limit_regex = &s->limit_regex;
3804 s->thread_args.limit_commits = &s->limit_commits;
3807 if (view->close == NULL)
3808 close_log_view(view);
3814 static const struct got_error *
3815 show_log_view(struct tog_view *view)
3817 const struct got_error *err;
3818 struct tog_log_view_state *s = &view->state.log;
3820 if (s->thread == 0) { //NULL) {
3821 int errcode = pthread_create(&s->thread, NULL, log_thread,
3824 return got_error_set_errno(errcode, "pthread_create");
3825 if (s->thread_args.commits_needed > 0) {
3826 err = trigger_log_thread(view, 1);
3832 return draw_commits(view);
3836 log_move_cursor_up(struct tog_view *view, int page, int home)
3838 struct tog_log_view_state *s = &view->state.log;
3840 if (s->first_displayed_entry == NULL)
3842 if (s->selected_entry->idx == 0)
3845 if ((page && TAILQ_FIRST(&s->commits->head) == s->first_displayed_entry)
3847 s->selected = home ? 0 : MAX(0, s->selected - page - 1);
3849 if (!page && !home && s->selected > 0)
3852 log_scroll_up(s, home ? s->commits->ncommits : MAX(page, 1));
3858 static const struct got_error *
3859 log_move_cursor_down(struct tog_view *view, int page)
3861 struct tog_log_view_state *s = &view->state.log;
3862 const struct got_error *err = NULL;
3863 int eos = view->nlines - 2;
3865 if (s->first_displayed_entry == NULL)
3868 if (s->thread_args.log_complete &&
3869 s->selected_entry->idx >= s->commits->ncommits - 1)
3872 if (view_is_hsplit_top(view))
3873 --eos; /* border consumes the last line */
3876 if (s->selected < MIN(eos, s->commits->ncommits - 1))
3879 err = log_scroll_down(view, 1);
3880 } else if (s->thread_args.load_all && s->thread_args.log_complete) {
3881 struct commit_queue_entry *entry;
3885 entry = TAILQ_LAST(&s->commits->head, commit_queue_head);
3886 s->last_displayed_entry = entry;
3887 for (n = 0; n <= eos; n++) {
3890 s->first_displayed_entry = entry;
3891 entry = TAILQ_PREV(entry, commit_queue_head, entry);
3894 s->selected = n - 1;
3896 if (s->last_displayed_entry->idx == s->commits->ncommits - 1 &&
3897 s->thread_args.log_complete)
3898 s->selected += MIN(page,
3899 s->commits->ncommits - s->selected_entry->idx - 1);
3901 err = log_scroll_down(view, page);
3907 * We might necessarily overshoot in horizontal
3908 * splits; if so, select the last displayed commit.
3910 if (s->first_displayed_entry && s->last_displayed_entry) {
3911 s->selected = MIN(s->selected,
3912 s->last_displayed_entry->idx -
3913 s->first_displayed_entry->idx);
3918 if (s->thread_args.log_complete &&
3919 s->selected_entry->idx == s->commits->ncommits - 1)
3926 view_get_split(struct tog_view *view, int *y, int *x)
3931 if (view->mode == TOG_VIEW_SPLIT_HRZN) {
3932 if (view->child && view->child->resized_y)
3933 *y = view->child->resized_y;
3934 else if (view->resized_y)
3935 *y = view->resized_y;
3937 *y = view_split_begin_y(view->lines);
3938 } else if (view->mode == TOG_VIEW_SPLIT_VERT) {
3939 if (view->child && view->child->resized_x)
3940 *x = view->child->resized_x;
3941 else if (view->resized_x)
3942 *x = view->resized_x;
3944 *x = view_split_begin_x(view->begin_x);
3948 /* Split view horizontally at y and offset view->state->selected line. */
3949 static const struct got_error *
3950 view_init_hsplit(struct tog_view *view, int y)
3952 const struct got_error *err = NULL;
3956 err = view_resize(view);
3960 err = offset_selection_down(view);
3965 static const struct got_error *
3966 log_goto_line(struct tog_view *view, int nlines)
3968 const struct got_error *err = NULL;
3969 struct tog_log_view_state *s = &view->state.log;
3970 int g, idx = s->selected_entry->idx;
3972 if (s->first_displayed_entry == NULL || s->last_displayed_entry == NULL)
3978 if (g >= s->first_displayed_entry->idx + 1 &&
3979 g <= s->last_displayed_entry->idx + 1 &&
3980 g - s->first_displayed_entry->idx - 1 < nlines) {
3981 s->selected = g - s->first_displayed_entry->idx - 1;
3987 err = log_move_cursor_down(view, g - idx - 1);
3988 if (!err && g > s->selected_entry->idx + 1)
3989 err = log_move_cursor_down(view,
3990 g - s->first_displayed_entry->idx - 1);
3993 } else if (idx + 1 > g)
3994 log_move_cursor_up(view, idx - g + 1, 0);
3996 if (g < nlines && s->first_displayed_entry->idx == 0)
3997 s->selected = g - 1;
4005 horizontal_scroll_input(struct tog_view *view, int ch)
4011 view->x -= MIN(view->x, 2);
4017 if (view->x + view->ncols / 2 < view->maxx)
4026 view->x = MAX(view->maxx - view->ncols / 2, 0);
4034 static const struct got_error *
4035 input_log_view(struct tog_view **new_view, struct tog_view *view, int ch)
4037 const struct got_error *err = NULL;
4038 struct tog_log_view_state *s = &view->state.log;
4041 if (s->thread_args.load_all) {
4042 if (ch == CTRL('g') || ch == KEY_BACKSPACE)
4043 s->thread_args.load_all = 0;
4044 else if (s->thread_args.log_complete) {
4045 err = log_move_cursor_down(view, s->commits->ncommits);
4046 s->thread_args.load_all = 0;
4052 eos = nscroll = view->nlines - 1;
4053 if (view_is_hsplit_top(view))
4057 return log_goto_line(view, eos);
4061 err = limit_log_view(view);
4072 horizontal_scroll_input(view, ch);
4079 log_move_cursor_up(view, 0, 0);
4084 log_move_cursor_up(view, 0, 1);
4094 log_move_cursor_up(view, nscroll, 0);
4101 err = log_move_cursor_down(view, 0);
4104 s->use_committer = !s->use_committer;
4105 view->action = s->use_committer ?
4106 "show committer" : "show commit author";
4111 /* We don't know yet how many commits, so we're forced to
4112 * traverse them all. */
4114 s->thread_args.load_all = 1;
4115 if (!s->thread_args.log_complete)
4116 return trigger_log_thread(view, 0);
4117 err = log_move_cursor_down(view, s->commits->ncommits);
4118 s->thread_args.load_all = 0;
4129 err = log_move_cursor_down(view, nscroll);
4132 if (s->selected > view->nlines - 2)
4133 s->selected = view->nlines - 2;
4134 if (s->selected > s->commits->ncommits - 1)
4135 s->selected = s->commits->ncommits - 1;
4137 if (s->commits->ncommits < view->nlines - 1 &&
4138 !s->thread_args.log_complete) {
4139 s->thread_args.commits_needed += (view->nlines - 1) -
4140 s->commits->ncommits;
4141 err = trigger_log_thread(view, 1);
4147 if (s->selected_entry == NULL)
4149 err = view_request_new(new_view, view, TOG_VIEW_DIFF);
4153 if (s->selected_entry == NULL)
4155 err = view_request_new(new_view, view, TOG_VIEW_TREE);
4161 if (ch == KEY_BACKSPACE &&
4162 got_path_is_root_dir(s->in_repo_path))
4164 err = stop_log_thread(s);
4167 if (ch == KEY_BACKSPACE) {
4169 err = got_path_dirname(&parent_path, s->in_repo_path);
4172 free(s->in_repo_path);
4173 s->in_repo_path = parent_path;
4174 s->thread_args.in_repo_path = s->in_repo_path;
4175 } else if (ch == CTRL('l')) {
4176 struct got_object_id *start_id;
4177 err = got_repo_match_object_id(&start_id, NULL,
4178 s->head_ref_name ? s->head_ref_name : GOT_REF_HEAD,
4179 GOT_OBJ_TYPE_COMMIT, &tog_refs, s->repo);
4181 if (s->head_ref_name == NULL ||
4182 err->code != GOT_ERR_NOT_REF)
4184 /* Try to cope with deleted references. */
4185 free(s->head_ref_name);
4186 s->head_ref_name = NULL;
4187 err = got_repo_match_object_id(&start_id,
4188 NULL, GOT_REF_HEAD, GOT_OBJ_TYPE_COMMIT,
4189 &tog_refs, s->repo);
4194 s->start_id = start_id;
4195 s->thread_args.start_id = s->start_id;
4197 s->log_branches = !s->log_branches;
4199 if (s->thread_args.pack_fds == NULL) {
4200 err = got_repo_pack_fds_open(&s->thread_args.pack_fds);
4204 err = got_repo_open(&s->thread_args.repo,
4205 got_repo_get_path(s->repo), NULL,
4206 s->thread_args.pack_fds);
4210 err = tog_load_refs(s->repo, 0);
4213 err = got_commit_graph_open(&s->thread_args.graph,
4214 s->in_repo_path, !s->log_branches);
4217 err = got_commit_graph_iter_start(s->thread_args.graph,
4218 s->start_id, s->repo, NULL, NULL);
4221 free_commits(&s->real_commits);
4222 free_commits(&s->limit_commits);
4223 s->first_displayed_entry = NULL;
4224 s->last_displayed_entry = NULL;
4225 s->selected_entry = NULL;
4227 s->thread_args.log_complete = 0;
4229 s->thread_args.commits_needed = view->lines;
4230 s->matched_entry = NULL;
4231 s->search_entry = NULL;
4236 err = view_request_new(new_view, view, TOG_VIEW_REF);
4246 static const struct got_error *
4247 apply_unveil(const char *repo_path, const char *worktree_path)
4249 const struct got_error *error;
4252 if (unveil("gmon.out", "rwc") != 0)
4253 return got_error_from_errno2("unveil", "gmon.out");
4255 if (repo_path && unveil(repo_path, "r") != 0)
4256 return got_error_from_errno2("unveil", repo_path);
4258 if (worktree_path && unveil(worktree_path, "rwc") != 0)
4259 return got_error_from_errno2("unveil", worktree_path);
4261 if (unveil(GOT_TMPDIR_STR, "rwc") != 0)
4262 return got_error_from_errno2("unveil", GOT_TMPDIR_STR);
4264 error = got_privsep_unveil_exec_helpers();
4268 if (unveil(NULL, NULL) != 0)
4269 return got_error_from_errno("unveil");
4274 static const struct got_error *
4275 init_mock_term(const char *test_script_path)
4277 const struct got_error *err = NULL;
4278 const char *screen_dump_path;
4281 if (test_script_path == NULL || *test_script_path == '\0')
4282 return got_error_msg(GOT_ERR_IO, "TOG_TEST_SCRIPT not defined");
4284 tog_io.f = fopen(test_script_path, "re");
4285 if (tog_io.f == NULL) {
4286 err = got_error_from_errno_fmt("fopen: %s",
4291 /* test mode, we don't want any output */
4292 tog_io.cout = fopen("/dev/null", "w+");
4293 if (tog_io.cout == NULL) {
4294 err = got_error_from_errno2("fopen", "/dev/null");
4298 in = dup(fileno(tog_io.cout));
4300 err = got_error_from_errno("dup");
4303 tog_io.cin = fdopen(in, "r");
4304 if (tog_io.cin == NULL) {
4305 err = got_error_from_errno("fdopen");
4310 screen_dump_path = getenv("TOG_SCR_DUMP");
4311 if (screen_dump_path == NULL || *screen_dump_path == '\0')
4312 return got_error_msg(GOT_ERR_IO, "TOG_SCR_DUMP not defined");
4313 tog_io.sdump = fopen(screen_dump_path, "wex");
4314 if (tog_io.sdump == NULL) {
4315 err = got_error_from_errno2("fopen", screen_dump_path);
4319 if (fseeko(tog_io.f, 0L, SEEK_SET) == -1) {
4320 err = got_error_from_errno("fseeko");
4324 if (newterm(NULL, tog_io.cout, tog_io.cin) == NULL)
4325 err = got_error_msg(GOT_ERR_IO,
4326 "newterm: failed to initialise curses");
4340 * Override default signal handlers before starting ncurses.
4341 * This should prevent ncurses from installing its own
4342 * broken cleanup() signal handler.
4344 signal(SIGWINCH, tog_sigwinch);
4345 signal(SIGPIPE, tog_sigpipe);
4346 signal(SIGCONT, tog_sigcont);
4347 signal(SIGINT, tog_sigint);
4348 signal(SIGTERM, tog_sigterm);
4350 if (using_mock_io) /* In test mode we use a fake terminal */
4356 halfdelay(1); /* Fast refresh while initial view is loading. */
4359 intrflush(stdscr, FALSE);
4360 keypad(stdscr, TRUE);
4362 if (getenv("TOG_COLORS") != NULL) {
4364 use_default_colors();
4370 static const struct got_error *
4371 get_in_repo_path_from_argv0(char **in_repo_path, int argc, char *argv[],
4372 struct got_repository *repo, struct got_worktree *worktree)
4374 const struct got_error *err = NULL;
4377 *in_repo_path = strdup("/");
4378 if (*in_repo_path == NULL)
4379 return got_error_from_errno("strdup");
4384 const char *prefix = got_worktree_get_path_prefix(worktree);
4387 err = got_worktree_resolve_path(&p, worktree, argv[0]);
4390 if (asprintf(in_repo_path, "%s%s%s", prefix,
4391 (p[0] != '\0' && !got_path_is_root_dir(prefix)) ? "/" : "",
4393 err = got_error_from_errno("asprintf");
4394 *in_repo_path = NULL;
4398 err = got_repo_map_path(in_repo_path, repo, argv[0]);
4403 static const struct got_error *
4404 cmd_log(int argc, char *argv[])
4406 const struct got_error *error;
4407 struct got_repository *repo = NULL;
4408 struct got_worktree *worktree = NULL;
4409 struct got_object_id *start_id = NULL;
4410 char *in_repo_path = NULL, *repo_path = NULL, *cwd = NULL;
4411 char *start_commit = NULL, *label = NULL;
4412 struct got_reference *ref = NULL;
4413 const char *head_ref_name = NULL;
4414 int ch, log_branches = 0;
4415 struct tog_view *view;
4416 int *pack_fds = NULL;
4418 while ((ch = getopt(argc, argv, "bc:r:")) != -1) {
4424 start_commit = optarg;
4427 repo_path = realpath(optarg, NULL);
4428 if (repo_path == NULL)
4429 return got_error_from_errno2("realpath",
4444 error = got_repo_pack_fds_open(&pack_fds);
4448 if (repo_path == NULL) {
4449 cwd = getcwd(NULL, 0);
4451 return got_error_from_errno("getcwd");
4452 error = got_worktree_open(&worktree, cwd);
4453 if (error && error->code != GOT_ERR_NOT_WORKTREE)
4457 strdup(got_worktree_get_repo_path(worktree));
4459 repo_path = strdup(cwd);
4460 if (repo_path == NULL) {
4461 error = got_error_from_errno("strdup");
4466 error = got_repo_open(&repo, repo_path, NULL, pack_fds);
4470 error = get_in_repo_path_from_argv0(&in_repo_path, argc, argv,
4477 error = apply_unveil(got_repo_get_path(repo),
4478 worktree ? got_worktree_get_root_path(worktree) : NULL);
4482 /* already loaded by tog_log_with_path()? */
4483 if (TAILQ_EMPTY(&tog_refs)) {
4484 error = tog_load_refs(repo, 0);
4489 if (start_commit == NULL) {
4490 error = got_repo_match_object_id(&start_id, &label,
4491 worktree ? got_worktree_get_head_ref_name(worktree) :
4492 GOT_REF_HEAD, GOT_OBJ_TYPE_COMMIT, &tog_refs, repo);
4495 head_ref_name = label;
4497 error = got_ref_open(&ref, repo, start_commit, 0);
4499 head_ref_name = got_ref_get_name(ref);
4500 else if (error->code != GOT_ERR_NOT_REF)
4502 error = got_repo_match_object_id(&start_id, NULL,
4503 start_commit, GOT_OBJ_TYPE_COMMIT, &tog_refs, repo);
4508 view = view_open(0, 0, 0, 0, TOG_VIEW_LOG);
4510 error = got_error_from_errno("view_open");
4513 error = open_log_view(view, start_id, repo, head_ref_name,
4514 in_repo_path, log_branches);
4518 /* Release work tree lock. */
4519 got_worktree_close(worktree);
4522 error = view_loop(view);
4532 const struct got_error *close_err = got_repo_close(repo);
4537 got_worktree_close(worktree);
4539 const struct got_error *pack_err =
4540 got_repo_pack_fds_close(pack_fds);
4552 fprintf(stderr, "usage: %s diff [-aw] [-C number] [-r repository-path] "
4553 "object1 object2\n", getprogname());
4558 match_line(const char *line, regex_t *regex, size_t nmatch,
4559 regmatch_t *regmatch)
4561 return regexec(regex, line, nmatch, regmatch, 0) == 0;
4564 static struct tog_color *
4565 match_color(struct tog_colors *colors, const char *line)
4567 struct tog_color *tc = NULL;
4569 STAILQ_FOREACH(tc, colors, entry) {
4570 if (match_line(line, &tc->regex, 0, NULL))
4577 static const struct got_error *
4578 add_matched_line(int *wtotal, const char *line, int wlimit, int col_tab_align,
4579 WINDOW *window, int skipcol, regmatch_t *regmatch)
4581 const struct got_error *err = NULL;
4583 wchar_t *wline = NULL;
4584 int rme, rms, n, width, scrollx;
4585 int width0 = 0, width1 = 0, width2 = 0;
4586 char *seg0 = NULL, *seg1 = NULL, *seg2 = NULL;
4590 rms = regmatch->rm_so;
4591 rme = regmatch->rm_eo;
4593 err = expand_tab(&exstr, line);
4597 /* Split the line into 3 segments, according to match offsets. */
4598 seg0 = strndup(exstr, rms);
4600 err = got_error_from_errno("strndup");
4603 seg1 = strndup(exstr + rms, rme - rms);
4605 err = got_error_from_errno("strndup");
4608 seg2 = strdup(exstr + rme);
4610 err = got_error_from_errno("strndup");
4614 /* draw up to matched token if we haven't scrolled past it */
4615 err = format_line(&wline, &width0, NULL, seg0, 0, wlimit,
4619 n = MAX(width0 - skipcol, 0);
4622 err = format_line(&wline, &width, &scrollx, seg0, skipcol,
4623 wlimit, col_tab_align, 1);
4626 waddwstr(window, &wline[scrollx]);
4636 err = format_line(&wline, &width1, NULL, seg1, 0, wlimit,
4640 wlen = wcslen(wline);
4642 width = wcwidth(wline[i]);
4644 /* should not happen, tabs are expanded */
4645 err = got_error(GOT_ERR_RANGE);
4648 if (width0 + w + width > skipcol)
4653 /* draw (visible part of) matched token (if scrolled into it) */
4654 if (width1 - w > 0) {
4655 wattron(window, A_STANDOUT);
4656 waddwstr(window, &wline[i]);
4657 wattroff(window, A_STANDOUT);
4658 wlimit -= (width1 - w);
4659 *wtotal += (width1 - w);
4663 if (wlimit > 0) { /* draw rest of line */
4665 if (skipcol > width0 + width1) {
4666 err = format_line(&wline, &width2, &scrollx, seg2,
4667 skipcol - (width0 + width1), wlimit,
4671 waddwstr(window, &wline[scrollx]);
4673 err = format_line(&wline, &width2, NULL, seg2, 0,
4674 wlimit, col_tab_align, 1);
4677 waddwstr(window, wline);
4691 gotoline(struct tog_view *view, int *lineno, int *nprinted)
4694 int *eof, *first, *selected;
4696 if (view->type == TOG_VIEW_DIFF) {
4697 struct tog_diff_view_state *s = &view->state.diff;
4699 first = &s->first_displayed_line;
4703 } else if (view->type == TOG_VIEW_HELP) {
4704 struct tog_help_view_state *s = &view->state.help;
4706 first = &s->first_displayed_line;
4710 } else if (view->type == TOG_VIEW_BLAME) {
4711 struct tog_blame_view_state *s = &view->state.blame;
4713 first = &s->first_displayed_line;
4714 selected = &s->selected_line;
4720 /* Center gline in the middle of the page like vi(1). */
4721 if (*lineno < view->gline - (view->nlines - 3) / 2)
4723 if (*first != 1 && (*lineno > view->gline - (view->nlines - 3) / 2)) {
4732 *selected = view->gline <= (view->nlines - 3) / 2 ?
4733 view->gline : (view->nlines - 3) / 2 + 1;
4739 static const struct got_error *
4740 draw_file(struct tog_view *view, const char *header)
4742 struct tog_diff_view_state *s = &view->state.diff;
4743 regmatch_t *regmatch = &view->regmatch;
4744 const struct got_error *err;
4747 size_t linesize = 0;
4751 int max_lines = view->nlines;
4752 int nlines = s->nlines;
4755 s->lineno = s->first_displayed_line - 1;
4756 line_offset = s->lines[s->first_displayed_line - 1].offset;
4757 if (fseeko(s->f, line_offset, SEEK_SET) == -1)
4758 return got_error_from_errno("fseek");
4760 werase(view->window);
4762 if (view->gline > s->nlines - 1)
4763 view->gline = s->nlines - 1;
4766 int ln = view->gline ? view->gline <= (view->nlines - 3) / 2 ?
4767 1 : view->gline - (view->nlines - 3) / 2 :
4768 s->lineno + s->selected_line;
4770 if (asprintf(&line, "[%d/%d] %s", ln, nlines, header) == -1)
4771 return got_error_from_errno("asprintf");
4772 err = format_line(&wline, &width, NULL, line, 0, view->ncols,
4778 if (view_needs_focus_indication(view))
4779 wstandout(view->window);
4780 waddwstr(view->window, wline);
4783 while (width++ < view->ncols)
4784 waddch(view->window, ' ');
4785 if (view_needs_focus_indication(view))
4786 wstandend(view->window);
4796 while (max_lines > 0 && nprinted < max_lines) {
4797 enum got_diff_line_type linetype;
4800 linelen = getline(&line, &linesize, s->f);
4801 if (linelen == -1) {
4807 return got_ferror(s->f, GOT_ERR_IO);
4810 if (++s->lineno < s->first_displayed_line)
4812 if (view->gline && !gotoline(view, &s->lineno, &nprinted))
4814 if (s->lineno == view->hiline)
4817 /* Set view->maxx based on full line length. */
4818 err = format_line(&wline, &width, NULL, line, 0, INT_MAX, 0,
4824 view->maxx = MAX(view->maxx, width);
4828 linetype = s->lines[s->lineno].type;
4829 if (linetype > GOT_DIFF_LINE_LOGMSG &&
4830 linetype < GOT_DIFF_LINE_CONTEXT)
4831 attr |= COLOR_PAIR(linetype);
4833 wattron(view->window, attr);
4834 if (s->first_displayed_line + nprinted == s->matched_line &&
4835 regmatch->rm_so >= 0 && regmatch->rm_so < regmatch->rm_eo) {
4836 err = add_matched_line(&width, line, view->ncols, 0,
4837 view->window, view->x, regmatch);
4844 err = format_line(&wline, &width, &skip, line,
4845 view->x, view->ncols, 0, view->x ? 1 : 0);
4850 waddwstr(view->window, &wline[skip]);
4854 if (s->lineno == view->hiline) {
4855 /* highlight full gline length */
4856 while (width++ < view->ncols)
4857 waddch(view->window, ' ');
4859 if (width <= view->ncols - 1)
4860 waddch(view->window, '\n');
4863 wattroff(view->window, attr);
4864 if (++nprinted == 1)
4865 s->first_displayed_line = s->lineno;
4869 s->last_displayed_line = s->first_displayed_line +
4872 s->last_displayed_line = s->first_displayed_line;
4877 while (nprinted < view->nlines) {
4878 waddch(view->window, '\n');
4882 err = format_line(&wline, &width, NULL, TOG_EOF_STRING, 0,
4888 wstandout(view->window);
4889 waddwstr(view->window, wline);
4892 wstandend(view->window);
4899 get_datestr(time_t *time, char *datebuf)
4901 struct tm mytm, *tm;
4904 tm = gmtime_r(time, &mytm);
4907 s = asctime_r(tm, datebuf);
4910 p = strchr(s, '\n');
4916 static const struct got_error *
4917 add_line_metadata(struct got_diff_line **lines, size_t *nlines,
4918 off_t off, uint8_t type)
4920 struct got_diff_line *p;
4922 p = reallocarray(*lines, *nlines + 1, sizeof(**lines));
4924 return got_error_from_errno("reallocarray");
4926 (*lines)[*nlines].offset = off;
4927 (*lines)[*nlines].type = type;
4933 static const struct got_error *
4934 cat_diff(FILE *dst, FILE *src, struct got_diff_line **d_lines, size_t *d_nlines,
4935 struct got_diff_line *s_lines, size_t s_nlines)
4937 struct got_diff_line *p;
4941 if (fseeko(src, 0L, SEEK_SET) == -1)
4942 return got_error_from_errno("fseeko");
4945 r = fread(buf, 1, sizeof(buf), src);
4948 return got_error_from_errno("fread");
4952 if (fwrite(buf, 1, r, dst) != r)
4953 return got_ferror(dst, GOT_ERR_IO);
4956 if (s_nlines == 0 && *d_nlines == 0)
4960 * If commit info was in dst, increment line offsets
4961 * of the appended diff content, but skip s_lines[0]
4962 * because offset zero is already in *d_lines.
4964 if (*d_nlines > 0) {
4965 for (i = 1; i < s_nlines; ++i)
4966 s_lines[i].offset += (*d_lines)[*d_nlines - 1].offset;
4974 p = reallocarray(*d_lines, *d_nlines + s_nlines, sizeof(*p));
4976 /* d_lines is freed in close_diff_view() */
4977 return got_error_from_errno("reallocarray");
4982 memcpy(*d_lines + *d_nlines, s_lines, s_nlines * sizeof(*s_lines));
4983 *d_nlines += s_nlines;
4988 static const struct got_error *
4989 write_commit_info(struct got_diff_line **lines, size_t *nlines,
4990 struct got_object_id *commit_id, struct got_reflist_head *refs,
4991 struct got_repository *repo, int ignore_ws, int force_text_diff,
4992 struct got_diffstat_cb_arg *dsa, FILE *outfile)
4994 const struct got_error *err = NULL;
4995 char datebuf[26], *datestr;
4996 struct got_commit_object *commit;
4997 char *id_str = NULL, *logmsg = NULL, *s = NULL, *line;
4998 time_t committer_time;
4999 const char *author, *committer;
5000 char *refs_str = NULL;
5001 struct got_pathlist_entry *pe;
5005 err = build_refs_str(&refs_str, refs, commit_id, repo);
5009 err = got_object_open_as_commit(&commit, repo, commit_id);
5013 err = got_object_id_str(&id_str, commit_id);
5015 err = got_error_from_errno("got_object_id_str");
5019 err = add_line_metadata(lines, nlines, 0, GOT_DIFF_LINE_NONE);
5023 n = fprintf(outfile, "commit %s%s%s%s\n", id_str, refs_str ? " (" : "",
5024 refs_str ? refs_str : "", refs_str ? ")" : "");
5026 err = got_error_from_errno("fprintf");
5030 err = add_line_metadata(lines, nlines, outoff, GOT_DIFF_LINE_META);
5034 n = fprintf(outfile, "from: %s\n",
5035 got_object_commit_get_author(commit));
5037 err = got_error_from_errno("fprintf");
5041 err = add_line_metadata(lines, nlines, outoff, GOT_DIFF_LINE_AUTHOR);
5045 author = got_object_commit_get_author(commit);
5046 committer = got_object_commit_get_committer(commit);
5047 if (strcmp(author, committer) != 0) {
5048 n = fprintf(outfile, "via: %s\n", committer);
5050 err = got_error_from_errno("fprintf");
5054 err = add_line_metadata(lines, nlines, outoff,
5055 GOT_DIFF_LINE_AUTHOR);
5059 committer_time = got_object_commit_get_committer_time(commit);
5060 datestr = get_datestr(&committer_time, datebuf);
5062 n = fprintf(outfile, "date: %s UTC\n", datestr);
5064 err = got_error_from_errno("fprintf");
5068 err = add_line_metadata(lines, nlines, outoff,
5069 GOT_DIFF_LINE_DATE);
5073 if (got_object_commit_get_nparents(commit) > 1) {
5074 const struct got_object_id_queue *parent_ids;
5075 struct got_object_qid *qid;
5077 parent_ids = got_object_commit_get_parent_ids(commit);
5078 STAILQ_FOREACH(qid, parent_ids, entry) {
5079 err = got_object_id_str(&id_str, &qid->id);
5082 n = fprintf(outfile, "parent %d: %s\n", pn++, id_str);
5084 err = got_error_from_errno("fprintf");
5088 err = add_line_metadata(lines, nlines, outoff,
5089 GOT_DIFF_LINE_META);
5097 err = got_object_commit_get_logmsg(&logmsg, commit);
5101 while ((line = strsep(&s, "\n")) != NULL) {
5102 n = fprintf(outfile, "%s\n", line);
5104 err = got_error_from_errno("fprintf");
5108 err = add_line_metadata(lines, nlines, outoff,
5109 GOT_DIFF_LINE_LOGMSG);
5114 TAILQ_FOREACH(pe, dsa->paths, entry) {
5115 struct got_diff_changed_path *cp = pe->data;
5116 int pad = dsa->max_path_len - pe->path_len + 1;
5118 n = fprintf(outfile, "%c %s%*c | %*d+ %*d-\n", cp->status,
5119 pe->path, pad, ' ', dsa->add_cols + 1, cp->add,
5120 dsa->rm_cols + 1, cp->rm);
5122 err = got_error_from_errno("fprintf");
5126 err = add_line_metadata(lines, nlines, outoff,
5127 GOT_DIFF_LINE_CHANGES);
5132 fputc('\n', outfile);
5134 err = add_line_metadata(lines, nlines, outoff, GOT_DIFF_LINE_NONE);
5138 n = fprintf(outfile,
5139 "%d file%s changed, %d insertion%s(+), %d deletion%s(-)\n",
5140 dsa->nfiles, dsa->nfiles > 1 ? "s" : "", dsa->ins,
5141 dsa->ins != 1 ? "s" : "", dsa->del, dsa->del != 1 ? "s" : "");
5143 err = got_error_from_errno("fprintf");
5147 err = add_line_metadata(lines, nlines, outoff, GOT_DIFF_LINE_NONE);
5151 fputc('\n', outfile);
5153 err = add_line_metadata(lines, nlines, outoff, GOT_DIFF_LINE_NONE);
5158 got_object_commit_close(commit);
5167 static const struct got_error *
5168 create_diff(struct tog_diff_view_state *s)
5170 const struct got_error *err = NULL;
5171 FILE *f = NULL, *tmp_diff_file = NULL;
5173 struct got_diff_line *lines = NULL;
5174 struct got_pathlist_head changed_paths;
5176 TAILQ_INIT(&changed_paths);
5179 s->lines = malloc(sizeof(*s->lines));
5180 if (s->lines == NULL)
5181 return got_error_from_errno("malloc");
5186 err = got_error_from_errno("got_opentemp");
5189 tmp_diff_file = got_opentemp();
5190 if (tmp_diff_file == NULL) {
5191 err = got_error_from_errno("got_opentemp");
5194 if (s->f && fclose(s->f) == EOF) {
5195 err = got_error_from_errno("fclose");
5201 err = got_object_get_type(&obj_type, s->repo, s->id1);
5203 err = got_object_get_type(&obj_type, s->repo, s->id2);
5208 case GOT_OBJ_TYPE_BLOB:
5209 err = got_diff_objects_as_blobs(&s->lines, &s->nlines,
5210 s->f1, s->f2, s->fd1, s->fd2, s->id1, s->id2,
5211 s->label1, s->label2, tog_diff_algo, s->diff_context,
5212 s->ignore_whitespace, s->force_text_diff, NULL, s->repo,
5215 case GOT_OBJ_TYPE_TREE:
5216 err = got_diff_objects_as_trees(&s->lines, &s->nlines,
5217 s->f1, s->f2, s->fd1, s->fd2, s->id1, s->id2, NULL, "", "",
5218 tog_diff_algo, s->diff_context, s->ignore_whitespace,
5219 s->force_text_diff, NULL, s->repo, s->f);
5221 case GOT_OBJ_TYPE_COMMIT: {
5222 const struct got_object_id_queue *parent_ids;
5223 struct got_object_qid *pid;
5224 struct got_commit_object *commit2;
5225 struct got_reflist_head *refs;
5227 struct got_diffstat_cb_arg dsa = {
5230 s->ignore_whitespace,
5235 lines = malloc(sizeof(*lines));
5236 if (lines == NULL) {
5237 err = got_error_from_errno("malloc");
5241 /* build diff first in tmp file then append to commit info */
5242 err = got_diff_objects_as_commits(&lines, &nlines,
5243 s->f1, s->f2, s->fd1, s->fd2, s->id1, s->id2, NULL,
5244 tog_diff_algo, s->diff_context, s->ignore_whitespace,
5245 s->force_text_diff, &dsa, s->repo, tmp_diff_file);
5249 err = got_object_open_as_commit(&commit2, s->repo, s->id2);
5252 refs = got_reflist_object_id_map_lookup(tog_refs_idmap, s->id2);
5253 /* Show commit info if we're diffing to a parent/root commit. */
5254 if (s->id1 == NULL) {
5255 err = write_commit_info(&s->lines, &s->nlines, s->id2,
5256 refs, s->repo, s->ignore_whitespace,
5257 s->force_text_diff, &dsa, s->f);
5261 parent_ids = got_object_commit_get_parent_ids(commit2);
5262 STAILQ_FOREACH(pid, parent_ids, entry) {
5263 if (got_object_id_cmp(s->id1, &pid->id) == 0) {
5264 err = write_commit_info(&s->lines,
5265 &s->nlines, s->id2, refs, s->repo,
5266 s->ignore_whitespace,
5267 s->force_text_diff, &dsa, s->f);
5274 got_object_commit_close(commit2);
5276 err = cat_diff(s->f, tmp_diff_file, &s->lines, &s->nlines,
5281 err = got_error(GOT_ERR_OBJ_TYPE);
5286 got_pathlist_free(&changed_paths, GOT_PATHLIST_FREE_ALL);
5287 if (s->f && fflush(s->f) != 0 && err == NULL)
5288 err = got_error_from_errno("fflush");
5289 if (tmp_diff_file && fclose(tmp_diff_file) == EOF && err == NULL)
5290 err = got_error_from_errno("fclose");
5295 diff_view_indicate_progress(struct tog_view *view)
5297 mvwaddstr(view->window, 0, 0, "diffing...");
5302 static const struct got_error *
5303 search_start_diff_view(struct tog_view *view)
5305 struct tog_diff_view_state *s = &view->state.diff;
5307 s->matched_line = 0;
5312 search_setup_diff_view(struct tog_view *view, FILE **f, off_t **line_offsets,
5313 size_t *nlines, int **first, int **last, int **match, int **selected)
5315 struct tog_diff_view_state *s = &view->state.diff;
5318 *nlines = s->nlines;
5319 *line_offsets = NULL;
5320 *match = &s->matched_line;
5321 *first = &s->first_displayed_line;
5322 *last = &s->last_displayed_line;
5323 *selected = &s->selected_line;
5326 static const struct got_error *
5327 search_next_view_match(struct tog_view *view)
5329 const struct got_error *err = NULL;
5333 size_t linesize = 0;
5335 off_t *line_offsets;
5337 int *first, *last, *match, *selected;
5339 if (!view->search_setup)
5340 return got_error_msg(GOT_ERR_NOT_IMPL,
5341 "view search not supported");
5342 view->search_setup(view, &f, &line_offsets, &nlines, &first, &last,
5345 if (!view->searching) {
5346 view->search_next_done = TOG_SEARCH_HAVE_MORE;
5351 if (view->searching == TOG_SEARCH_FORWARD)
5352 lineno = *first + 1;
5354 lineno = *first - 1;
5356 lineno = *first - 1 + *selected;
5361 if (lineno <= 0 || lineno > nlines) {
5363 view->search_next_done = TOG_SEARCH_HAVE_MORE;
5367 if (view->searching == TOG_SEARCH_FORWARD)
5373 offset = view->type == TOG_VIEW_DIFF ?
5374 view->state.diff.lines[lineno - 1].offset :
5375 line_offsets[lineno - 1];
5376 if (fseeko(f, offset, SEEK_SET) != 0) {
5378 return got_error_from_errno("fseeko");
5380 linelen = getline(&line, &linesize, f);
5381 if (linelen != -1) {
5383 err = expand_tab(&exstr, line);
5386 if (match_line(exstr, &view->regex, 1,
5388 view->search_next_done = TOG_SEARCH_HAVE_MORE;
5395 if (view->searching == TOG_SEARCH_FORWARD)
5410 static const struct got_error *
5411 close_diff_view(struct tog_view *view)
5413 const struct got_error *err = NULL;
5414 struct tog_diff_view_state *s = &view->state.diff;
5420 if (s->f && fclose(s->f) == EOF)
5421 err = got_error_from_errno("fclose");
5423 if (s->f1 && fclose(s->f1) == EOF && err == NULL)
5424 err = got_error_from_errno("fclose");
5426 if (s->f2 && fclose(s->f2) == EOF && err == NULL)
5427 err = got_error_from_errno("fclose");
5429 if (s->fd1 != -1 && close(s->fd1) == -1 && err == NULL)
5430 err = got_error_from_errno("close");
5432 if (s->fd2 != -1 && close(s->fd2) == -1 && err == NULL)
5433 err = got_error_from_errno("close");
5441 static const struct got_error *
5442 open_diff_view(struct tog_view *view, struct got_object_id *id1,
5443 struct got_object_id *id2, const char *label1, const char *label2,
5444 int diff_context, int ignore_whitespace, int force_text_diff,
5445 struct tog_view *parent_view, struct got_repository *repo)
5447 const struct got_error *err;
5448 struct tog_diff_view_state *s = &view->state.diff;
5450 memset(s, 0, sizeof(*s));
5454 if (id1 != NULL && id2 != NULL) {
5457 err = got_object_get_type(&type1, repo, id1);
5460 err = got_object_get_type(&type2, repo, id2);
5464 if (type1 != type2) {
5465 err = got_error(GOT_ERR_OBJ_TYPE);
5469 s->first_displayed_line = 1;
5470 s->last_displayed_line = view->nlines;
5471 s->selected_line = 1;
5479 s->id1 = got_object_id_dup(id1);
5480 if (s->id1 == NULL) {
5481 err = got_error_from_errno("got_object_id_dup");
5487 s->id2 = got_object_id_dup(id2);
5488 if (s->id2 == NULL) {
5489 err = got_error_from_errno("got_object_id_dup");
5493 s->f1 = got_opentemp();
5494 if (s->f1 == NULL) {
5495 err = got_error_from_errno("got_opentemp");
5499 s->f2 = got_opentemp();
5500 if (s->f2 == NULL) {
5501 err = got_error_from_errno("got_opentemp");
5505 s->fd1 = got_opentempfd();
5507 err = got_error_from_errno("got_opentempfd");
5511 s->fd2 = got_opentempfd();
5513 err = got_error_from_errno("got_opentempfd");
5517 s->diff_context = diff_context;
5518 s->ignore_whitespace = ignore_whitespace;
5519 s->force_text_diff = force_text_diff;
5520 s->parent_view = parent_view;
5523 if (has_colors() && getenv("TOG_COLORS") != NULL && !using_mock_io) {
5526 rc = init_pair(GOT_DIFF_LINE_MINUS,
5527 get_color_value("TOG_COLOR_DIFF_MINUS"), -1);
5529 rc = init_pair(GOT_DIFF_LINE_PLUS,
5530 get_color_value("TOG_COLOR_DIFF_PLUS"), -1);
5532 rc = init_pair(GOT_DIFF_LINE_HUNK,
5533 get_color_value("TOG_COLOR_DIFF_CHUNK_HEADER"), -1);
5535 rc = init_pair(GOT_DIFF_LINE_META,
5536 get_color_value("TOG_COLOR_DIFF_META"), -1);
5538 rc = init_pair(GOT_DIFF_LINE_CHANGES,
5539 get_color_value("TOG_COLOR_DIFF_META"), -1);
5541 rc = init_pair(GOT_DIFF_LINE_BLOB_MIN,
5542 get_color_value("TOG_COLOR_DIFF_META"), -1);
5544 rc = init_pair(GOT_DIFF_LINE_BLOB_PLUS,
5545 get_color_value("TOG_COLOR_DIFF_META"), -1);
5547 rc = init_pair(GOT_DIFF_LINE_AUTHOR,
5548 get_color_value("TOG_COLOR_AUTHOR"), -1);
5550 rc = init_pair(GOT_DIFF_LINE_DATE,
5551 get_color_value("TOG_COLOR_DATE"), -1);
5553 err = got_error(GOT_ERR_RANGE);
5558 if (parent_view && parent_view->type == TOG_VIEW_LOG &&
5559 view_is_splitscreen(view))
5560 show_log_view(parent_view); /* draw border */
5561 diff_view_indicate_progress(view);
5563 err = create_diff(s);
5565 view->show = show_diff_view;
5566 view->input = input_diff_view;
5567 view->reset = reset_diff_view;
5568 view->close = close_diff_view;
5569 view->search_start = search_start_diff_view;
5570 view->search_setup = search_setup_diff_view;
5571 view->search_next = search_next_view_match;
5574 if (view->close == NULL)
5575 close_diff_view(view);
5581 static const struct got_error *
5582 show_diff_view(struct tog_view *view)
5584 const struct got_error *err;
5585 struct tog_diff_view_state *s = &view->state.diff;
5586 char *id_str1 = NULL, *id_str2, *header;
5587 const char *label1, *label2;
5590 err = got_object_id_str(&id_str1, s->id1);
5593 label1 = s->label1 ? s->label1 : id_str1;
5595 label1 = "/dev/null";
5597 err = got_object_id_str(&id_str2, s->id2);
5600 label2 = s->label2 ? s->label2 : id_str2;
5602 if (asprintf(&header, "diff %s %s", label1, label2) == -1) {
5603 err = got_error_from_errno("asprintf");
5611 err = draw_file(view, header);
5616 static const struct got_error *
5617 set_selected_commit(struct tog_diff_view_state *s,
5618 struct commit_queue_entry *entry)
5620 const struct got_error *err;
5621 const struct got_object_id_queue *parent_ids;
5622 struct got_commit_object *selected_commit;
5623 struct got_object_qid *pid;
5626 s->id2 = got_object_id_dup(entry->id);
5628 return got_error_from_errno("got_object_id_dup");
5630 err = got_object_open_as_commit(&selected_commit, s->repo, entry->id);
5633 parent_ids = got_object_commit_get_parent_ids(selected_commit);
5635 pid = STAILQ_FIRST(parent_ids);
5636 s->id1 = pid ? got_object_id_dup(&pid->id) : NULL;
5637 got_object_commit_close(selected_commit);
5641 static const struct got_error *
5642 reset_diff_view(struct tog_view *view)
5644 struct tog_diff_view_state *s = &view->state.diff;
5647 wclear(view->window);
5648 s->first_displayed_line = 1;
5649 s->last_displayed_line = view->nlines;
5650 s->matched_line = 0;
5651 diff_view_indicate_progress(view);
5652 return create_diff(s);
5656 diff_prev_index(struct tog_diff_view_state *s, enum got_diff_line_type type)
5660 i = start = s->first_displayed_line - 1;
5662 while (s->lines[i].type != type) {
5666 return; /* do nothing, requested type not in file */
5669 s->selected_line = 1;
5670 s->first_displayed_line = i;
5674 diff_next_index(struct tog_diff_view_state *s, enum got_diff_line_type type)
5678 i = start = s->first_displayed_line + 1;
5680 while (s->lines[i].type != type) {
5681 if (i == s->nlines - 1)
5684 return; /* do nothing, requested type not in file */
5687 s->selected_line = 1;
5688 s->first_displayed_line = i;
5691 static struct got_object_id *get_selected_commit_id(struct tog_blame_line *,
5693 static struct got_object_id *get_annotation_for_line(struct tog_blame_line *,
5696 static const struct got_error *
5697 input_diff_view(struct tog_view **new_view, struct tog_view *view, int ch)
5699 const struct got_error *err = NULL;
5700 struct tog_diff_view_state *s = &view->state.diff;
5701 struct tog_log_view_state *ls;
5702 struct commit_queue_entry *old_selected_entry;
5704 size_t linesize = 0;
5706 int i, nscroll = view->nlines - 1, up = 0;
5708 s->lineno = s->first_displayed_line - 1 + s->selected_line;
5717 horizontal_scroll_input(view, ch);
5722 s->force_text_diff = !s->force_text_diff;
5723 view->action = s->force_text_diff ?
5724 "force ASCII text enabled" :
5725 "force ASCII text disabled";
5727 else if (ch == 'w') {
5728 s->ignore_whitespace = !s->ignore_whitespace;
5729 view->action = s->ignore_whitespace ?
5730 "ignore whitespace enabled" :
5731 "ignore whitespace disabled";
5733 err = reset_diff_view(view);
5737 s->first_displayed_line = 1;
5746 s->first_displayed_line = (s->nlines - view->nlines) + 2;
5752 if (s->first_displayed_line > 1)
5753 s->first_displayed_line--;
5764 if (s->first_displayed_line == 1) {
5769 while (i++ < nscroll && s->first_displayed_line > 1)
5770 s->first_displayed_line--;
5776 s->first_displayed_line++;
5793 while (!s->eof && i++ < nscroll) {
5794 linelen = getline(&line, &linesize, s->f);
5795 s->first_displayed_line++;
5796 if (linelen == -1) {
5800 err = got_ferror(s->f, GOT_ERR_IO);
5807 diff_prev_index(s, GOT_DIFF_LINE_BLOB_MIN);
5810 diff_next_index(s, GOT_DIFF_LINE_BLOB_MIN);
5813 diff_prev_index(s, GOT_DIFF_LINE_HUNK);
5816 diff_next_index(s, GOT_DIFF_LINE_HUNK);
5819 if (s->diff_context > 0) {
5821 s->matched_line = 0;
5822 diff_view_indicate_progress(view);
5823 err = create_diff(s);
5824 if (s->first_displayed_line + view->nlines - 1 >
5826 s->first_displayed_line = 1;
5827 s->last_displayed_line = view->nlines;
5833 if (s->diff_context < GOT_DIFF_MAX_CONTEXT) {
5835 s->matched_line = 0;
5836 diff_view_indicate_progress(view);
5837 err = create_diff(s);
5849 if (s->parent_view == NULL) {
5853 s->parent_view->count = view->count;
5855 if (s->parent_view->type == TOG_VIEW_LOG) {
5856 ls = &s->parent_view->state.log;
5857 old_selected_entry = ls->selected_entry;
5859 err = input_log_view(NULL, s->parent_view,
5860 up ? KEY_UP : KEY_DOWN);
5863 view->count = s->parent_view->count;
5865 if (old_selected_entry == ls->selected_entry)
5868 err = set_selected_commit(s, ls->selected_entry);
5871 } else if (s->parent_view->type == TOG_VIEW_BLAME) {
5872 struct tog_blame_view_state *bs;
5873 struct got_object_id *id, *prev_id;
5875 bs = &s->parent_view->state.blame;
5876 prev_id = get_annotation_for_line(bs->blame.lines,
5877 bs->blame.nlines, bs->last_diffed_line);
5879 err = input_blame_view(&view, s->parent_view,
5880 up ? KEY_UP : KEY_DOWN);
5883 view->count = s->parent_view->count;
5885 if (prev_id == NULL)
5887 id = get_selected_commit_id(bs->blame.lines,
5888 bs->blame.nlines, bs->first_displayed_line,
5893 if (!got_object_id_cmp(prev_id, id))
5896 err = input_blame_view(&view, s->parent_view, KEY_ENTER);
5900 s->first_displayed_line = 1;
5901 s->last_displayed_line = view->nlines;
5902 s->matched_line = 0;
5905 diff_view_indicate_progress(view);
5906 err = create_diff(s);
5916 static const struct got_error *
5917 cmd_diff(int argc, char *argv[])
5919 const struct got_error *error;
5920 struct got_repository *repo = NULL;
5921 struct got_worktree *worktree = NULL;
5922 struct got_object_id *id1 = NULL, *id2 = NULL;
5923 char *repo_path = NULL, *cwd = NULL;
5924 char *id_str1 = NULL, *id_str2 = NULL;
5925 char *label1 = NULL, *label2 = NULL;
5926 int diff_context = 3, ignore_whitespace = 0;
5927 int ch, force_text_diff = 0;
5929 struct tog_view *view;
5930 int *pack_fds = NULL;
5932 while ((ch = getopt(argc, argv, "aC:r:w")) != -1) {
5935 force_text_diff = 1;
5938 diff_context = strtonum(optarg, 0, GOT_DIFF_MAX_CONTEXT,
5941 errx(1, "number of context lines is %s: %s",
5945 repo_path = realpath(optarg, NULL);
5946 if (repo_path == NULL)
5947 return got_error_from_errno2("realpath",
5949 got_path_strip_trailing_slashes(repo_path);
5952 ignore_whitespace = 1;
5964 usage_diff(); /* TODO show local worktree changes */
5965 } else if (argc == 2) {
5971 error = got_repo_pack_fds_open(&pack_fds);
5975 if (repo_path == NULL) {
5976 cwd = getcwd(NULL, 0);
5978 return got_error_from_errno("getcwd");
5979 error = got_worktree_open(&worktree, cwd);
5980 if (error && error->code != GOT_ERR_NOT_WORKTREE)
5984 strdup(got_worktree_get_repo_path(worktree));
5986 repo_path = strdup(cwd);
5987 if (repo_path == NULL) {
5988 error = got_error_from_errno("strdup");
5993 error = got_repo_open(&repo, repo_path, NULL, pack_fds);
5999 error = apply_unveil(got_repo_get_path(repo), NULL);
6003 error = tog_load_refs(repo, 0);
6007 error = got_repo_match_object_id(&id1, &label1, id_str1,
6008 GOT_OBJ_TYPE_ANY, &tog_refs, repo);
6012 error = got_repo_match_object_id(&id2, &label2, id_str2,
6013 GOT_OBJ_TYPE_ANY, &tog_refs, repo);
6017 view = view_open(0, 0, 0, 0, TOG_VIEW_DIFF);
6019 error = got_error_from_errno("view_open");
6022 error = open_diff_view(view, id1, id2, label1, label2, diff_context,
6023 ignore_whitespace, force_text_diff, NULL, repo);
6026 error = view_loop(view);
6033 const struct got_error *close_err = got_repo_close(repo);
6038 got_worktree_close(worktree);
6040 const struct got_error *pack_err =
6041 got_repo_pack_fds_close(pack_fds);
6054 "usage: %s blame [-c commit] [-r repository-path] path\n",
6059 struct tog_blame_line {
6061 struct got_object_id *id;
6064 static const struct got_error *
6065 draw_blame(struct tog_view *view)
6067 struct tog_blame_view_state *s = &view->state.blame;
6068 struct tog_blame *blame = &s->blame;
6069 regmatch_t *regmatch = &view->regmatch;
6070 const struct got_error *err;
6071 int lineno = 0, nprinted = 0;
6073 size_t linesize = 0;
6077 struct tog_blame_line *blame_line;
6078 struct got_object_id *prev_id = NULL;
6080 struct tog_color *tc;
6082 err = got_object_id_str(&id_str, &s->blamed_commit->id);
6087 werase(view->window);
6089 if (asprintf(&line, "commit %s", id_str) == -1) {
6090 err = got_error_from_errno("asprintf");
6095 err = format_line(&wline, &width, NULL, line, 0, view->ncols, 0, 0);
6100 if (view_needs_focus_indication(view))
6101 wstandout(view->window);
6102 tc = get_color(&s->colors, TOG_COLOR_COMMIT);
6104 wattr_on(view->window, COLOR_PAIR(tc->colorpair), NULL);
6105 waddwstr(view->window, wline);
6106 while (width++ < view->ncols)
6107 waddch(view->window, ' ');
6109 wattr_off(view->window, COLOR_PAIR(tc->colorpair), NULL);
6110 if (view_needs_focus_indication(view))
6111 wstandend(view->window);
6115 if (view->gline > blame->nlines)
6116 view->gline = blame->nlines;
6118 if (tog_io.wait_for_ui) {
6119 struct tog_blame_thread_args *bta = &s->blame.thread_args;
6122 rc = pthread_cond_wait(&bta->blame_complete, &tog_mutex);
6124 return got_error_set_errno(rc, "pthread_cond_wait");
6125 tog_io.wait_for_ui = 0;
6128 if (asprintf(&line, "[%d/%d] %s%s", view->gline ? view->gline :
6129 s->first_displayed_line - 1 + s->selected_line, blame->nlines,
6130 s->blame_complete ? "" : "annotating... ", s->path) == -1) {
6132 return got_error_from_errno("asprintf");
6135 err = format_line(&wline, &width, NULL, line, 0, view->ncols, 0, 0);
6140 waddwstr(view->window, wline);
6143 if (width < view->ncols - 1)
6144 waddch(view->window, '\n');
6148 while (nprinted < view->nlines - 2) {
6149 linelen = getline(&line, &linesize, blame->f);
6150 if (linelen == -1) {
6151 if (feof(blame->f)) {
6156 return got_ferror(blame->f, GOT_ERR_IO);
6158 if (++lineno < s->first_displayed_line)
6160 if (view->gline && !gotoline(view, &lineno, &nprinted))
6163 /* Set view->maxx based on full line length. */
6164 err = format_line(&wline, &width, NULL, line, 0, INT_MAX, 9, 1);
6171 view->maxx = MAX(view->maxx, width);
6173 if (nprinted == s->selected_line - 1)
6174 wstandout(view->window);
6176 if (blame->nlines > 0) {
6177 blame_line = &blame->lines[lineno - 1];
6178 if (blame_line->annotated && prev_id &&
6179 got_object_id_cmp(prev_id, blame_line->id) == 0 &&
6180 !(nprinted == s->selected_line - 1)) {
6181 waddstr(view->window, " ");
6182 } else if (blame_line->annotated) {
6184 err = got_object_id_str(&id_str,
6190 tc = get_color(&s->colors, TOG_COLOR_COMMIT);
6192 wattr_on(view->window,
6193 COLOR_PAIR(tc->colorpair), NULL);
6194 wprintw(view->window, "%.8s", id_str);
6196 wattr_off(view->window,
6197 COLOR_PAIR(tc->colorpair), NULL);
6199 prev_id = blame_line->id;
6201 waddstr(view->window, "........");
6205 waddstr(view->window, "........");
6209 if (nprinted == s->selected_line - 1)
6210 wstandend(view->window);
6211 waddstr(view->window, " ");
6213 if (view->ncols <= 9) {
6215 } else if (s->first_displayed_line + nprinted ==
6217 regmatch->rm_so >= 0 && regmatch->rm_so < regmatch->rm_eo) {
6218 err = add_matched_line(&width, line, view->ncols - 9, 9,
6219 view->window, view->x, regmatch);
6227 err = format_line(&wline, &width, &skip, line,
6228 view->x, view->ncols - 9, 9, 1);
6233 waddwstr(view->window, &wline[skip]);
6239 if (width <= view->ncols - 1)
6240 waddch(view->window, '\n');
6241 if (++nprinted == 1)
6242 s->first_displayed_line = lineno;
6245 s->last_displayed_line = lineno;
6252 static const struct got_error *
6253 blame_cb(void *arg, int nlines, int lineno,
6254 struct got_commit_object *commit, struct got_object_id *id)
6256 const struct got_error *err = NULL;
6257 struct tog_blame_cb_args *a = arg;
6258 struct tog_blame_line *line;
6261 if (nlines != a->nlines ||
6262 (lineno != -1 && lineno < 1) || lineno > a->nlines)
6263 return got_error(GOT_ERR_RANGE);
6265 errcode = pthread_mutex_lock(&tog_mutex);
6267 return got_error_set_errno(errcode, "pthread_mutex_lock");
6269 if (*a->quit) { /* user has quit the blame view */
6270 err = got_error(GOT_ERR_ITER_COMPLETED);
6275 goto done; /* no change in this commit */
6277 line = &a->lines[lineno - 1];
6278 if (line->annotated)
6281 line->id = got_object_id_dup(id);
6282 if (line->id == NULL) {
6283 err = got_error_from_errno("got_object_id_dup");
6286 line->annotated = 1;
6288 errcode = pthread_mutex_unlock(&tog_mutex);
6290 err = got_error_set_errno(errcode, "pthread_mutex_unlock");
6295 blame_thread(void *arg)
6297 const struct got_error *err, *close_err;
6298 struct tog_blame_thread_args *ta = arg;
6299 struct tog_blame_cb_args *a = ta->cb_args;
6300 int errcode, fd1 = -1, fd2 = -1;
6301 FILE *f1 = NULL, *f2 = NULL;
6303 fd1 = got_opentempfd();
6305 return (void *)got_error_from_errno("got_opentempfd");
6307 fd2 = got_opentempfd();
6309 err = got_error_from_errno("got_opentempfd");
6313 f1 = got_opentemp();
6315 err = (void *)got_error_from_errno("got_opentemp");
6318 f2 = got_opentemp();
6320 err = (void *)got_error_from_errno("got_opentemp");
6324 err = block_signals_used_by_main_thread();
6328 err = got_blame(ta->path, a->commit_id, ta->repo,
6329 tog_diff_algo, blame_cb, ta->cb_args,
6330 ta->cancel_cb, ta->cancel_arg, fd1, fd2, f1, f2);
6331 if (err && err->code == GOT_ERR_CANCELLED)
6334 errcode = pthread_mutex_lock(&tog_mutex);
6336 err = got_error_set_errno(errcode, "pthread_mutex_lock");
6340 close_err = got_repo_close(ta->repo);
6346 if (tog_io.wait_for_ui) {
6347 errcode = pthread_cond_signal(&ta->blame_complete);
6348 if (errcode && err == NULL)
6349 err = got_error_set_errno(errcode,
6350 "pthread_cond_signal");
6353 errcode = pthread_mutex_unlock(&tog_mutex);
6354 if (errcode && err == NULL)
6355 err = got_error_set_errno(errcode, "pthread_mutex_unlock");
6358 if (fd1 != -1 && close(fd1) == -1 && err == NULL)
6359 err = got_error_from_errno("close");
6360 if (fd2 != -1 && close(fd2) == -1 && err == NULL)
6361 err = got_error_from_errno("close");
6362 if (f1 && fclose(f1) == EOF && err == NULL)
6363 err = got_error_from_errno("fclose");
6364 if (f2 && fclose(f2) == EOF && err == NULL)
6365 err = got_error_from_errno("fclose");
6370 static struct got_object_id *
6371 get_selected_commit_id(struct tog_blame_line *lines, int nlines,
6372 int first_displayed_line, int selected_line)
6374 struct tog_blame_line *line;
6379 line = &lines[first_displayed_line - 1 + selected_line - 1];
6380 if (!line->annotated)
6386 static struct got_object_id *
6387 get_annotation_for_line(struct tog_blame_line *lines, int nlines,
6390 struct tog_blame_line *line;
6392 if (nlines <= 0 || lineno >= nlines)
6395 line = &lines[lineno - 1];
6396 if (!line->annotated)
6402 static const struct got_error *
6403 stop_blame(struct tog_blame *blame)
6405 const struct got_error *err = NULL;
6408 if (blame->thread) {
6410 errcode = pthread_mutex_unlock(&tog_mutex);
6412 return got_error_set_errno(errcode,
6413 "pthread_mutex_unlock");
6414 errcode = pthread_join(blame->thread, (void **)&err);
6416 return got_error_set_errno(errcode, "pthread_join");
6417 errcode = pthread_mutex_lock(&tog_mutex);
6419 return got_error_set_errno(errcode,
6420 "pthread_mutex_lock");
6421 if (err && err->code == GOT_ERR_ITER_COMPLETED)
6423 blame->thread = 0; //NULL;
6425 if (blame->thread_args.repo) {
6426 const struct got_error *close_err;
6427 close_err = got_repo_close(blame->thread_args.repo);
6430 blame->thread_args.repo = NULL;
6433 if (fclose(blame->f) == EOF && err == NULL)
6434 err = got_error_from_errno("fclose");
6438 for (i = 0; i < blame->nlines; i++)
6439 free(blame->lines[i].id);
6441 blame->lines = NULL;
6443 free(blame->cb_args.commit_id);
6444 blame->cb_args.commit_id = NULL;
6445 if (blame->pack_fds) {
6446 const struct got_error *pack_err =
6447 got_repo_pack_fds_close(blame->pack_fds);
6450 blame->pack_fds = NULL;
6455 static const struct got_error *
6456 cancel_blame_view(void *arg)
6458 const struct got_error *err = NULL;
6462 errcode = pthread_mutex_lock(&tog_mutex);
6464 return got_error_set_errno(errcode,
6465 "pthread_mutex_unlock");
6468 err = got_error(GOT_ERR_CANCELLED);
6470 errcode = pthread_mutex_unlock(&tog_mutex);
6472 return got_error_set_errno(errcode,
6473 "pthread_mutex_lock");
6478 static const struct got_error *
6479 run_blame(struct tog_view *view)
6481 struct tog_blame_view_state *s = &view->state.blame;
6482 struct tog_blame *blame = &s->blame;
6483 const struct got_error *err = NULL;
6484 struct got_commit_object *commit = NULL;
6485 struct got_blob_object *blob = NULL;
6486 struct got_repository *thread_repo = NULL;
6487 struct got_object_id *obj_id = NULL;
6488 int obj_type, fd = -1;
6489 int *pack_fds = NULL;
6491 err = got_object_open_as_commit(&commit, s->repo,
6492 &s->blamed_commit->id);
6496 fd = got_opentempfd();
6498 err = got_error_from_errno("got_opentempfd");
6502 err = got_object_id_by_path(&obj_id, s->repo, commit, s->path);
6506 err = got_object_get_type(&obj_type, s->repo, obj_id);
6510 if (obj_type != GOT_OBJ_TYPE_BLOB) {
6511 err = got_error(GOT_ERR_OBJ_TYPE);
6515 err = got_object_open_as_blob(&blob, s->repo, obj_id, 8192, fd);
6518 blame->f = got_opentemp();
6519 if (blame->f == NULL) {
6520 err = got_error_from_errno("got_opentemp");
6523 err = got_object_blob_dump_to_file(&blame->filesize, &blame->nlines,
6524 &blame->line_offsets, blame->f, blob);
6527 if (blame->nlines == 0) {
6528 s->blame_complete = 1;
6532 /* Don't include \n at EOF in the blame line count. */
6533 if (blame->line_offsets[blame->nlines - 1] == blame->filesize)
6536 blame->lines = calloc(blame->nlines, sizeof(*blame->lines));
6537 if (blame->lines == NULL) {
6538 err = got_error_from_errno("calloc");
6542 err = got_repo_pack_fds_open(&pack_fds);
6545 err = got_repo_open(&thread_repo, got_repo_get_path(s->repo), NULL,
6550 blame->pack_fds = pack_fds;
6551 blame->cb_args.view = view;
6552 blame->cb_args.lines = blame->lines;
6553 blame->cb_args.nlines = blame->nlines;
6554 blame->cb_args.commit_id = got_object_id_dup(&s->blamed_commit->id);
6555 if (blame->cb_args.commit_id == NULL) {
6556 err = got_error_from_errno("got_object_id_dup");
6559 blame->cb_args.quit = &s->done;
6561 blame->thread_args.path = s->path;
6562 blame->thread_args.repo = thread_repo;
6563 blame->thread_args.cb_args = &blame->cb_args;
6564 blame->thread_args.complete = &s->blame_complete;
6565 blame->thread_args.cancel_cb = cancel_blame_view;
6566 blame->thread_args.cancel_arg = &s->done;
6567 s->blame_complete = 0;
6569 if (s->first_displayed_line + view->nlines - 1 > blame->nlines) {
6570 s->first_displayed_line = 1;
6571 s->last_displayed_line = view->nlines;
6572 s->selected_line = 1;
6574 s->matched_line = 0;
6578 got_object_commit_close(commit);
6579 if (fd != -1 && close(fd) == -1 && err == NULL)
6580 err = got_error_from_errno("close");
6582 got_object_blob_close(blob);
6589 static const struct got_error *
6590 open_blame_view(struct tog_view *view, char *path,
6591 struct got_object_id *commit_id, struct got_repository *repo)
6593 const struct got_error *err = NULL;
6594 struct tog_blame_view_state *s = &view->state.blame;
6596 STAILQ_INIT(&s->blamed_commits);
6598 s->path = strdup(path);
6599 if (s->path == NULL)
6600 return got_error_from_errno("strdup");
6602 err = got_object_qid_alloc(&s->blamed_commit, commit_id);
6608 STAILQ_INSERT_HEAD(&s->blamed_commits, s->blamed_commit, entry);
6609 s->first_displayed_line = 1;
6610 s->last_displayed_line = view->nlines;
6611 s->selected_line = 1;
6612 s->blame_complete = 0;
6614 s->commit_id = commit_id;
6615 memset(&s->blame, 0, sizeof(s->blame));
6617 STAILQ_INIT(&s->colors);
6618 if (has_colors() && getenv("TOG_COLORS") != NULL) {
6619 err = add_color(&s->colors, "^", TOG_COLOR_COMMIT,
6620 get_color_value("TOG_COLOR_COMMIT"));
6625 view->show = show_blame_view;
6626 view->input = input_blame_view;
6627 view->reset = reset_blame_view;
6628 view->close = close_blame_view;
6629 view->search_start = search_start_blame_view;
6630 view->search_setup = search_setup_blame_view;
6631 view->search_next = search_next_view_match;
6633 if (using_mock_io) {
6634 struct tog_blame_thread_args *bta = &s->blame.thread_args;
6637 rc = pthread_cond_init(&bta->blame_complete, NULL);
6639 return got_error_set_errno(rc, "pthread_cond_init");
6642 return run_blame(view);
6645 static const struct got_error *
6646 close_blame_view(struct tog_view *view)
6648 const struct got_error *err = NULL;
6649 struct tog_blame_view_state *s = &view->state.blame;
6651 if (s->blame.thread)
6652 err = stop_blame(&s->blame);
6654 while (!STAILQ_EMPTY(&s->blamed_commits)) {
6655 struct got_object_qid *blamed_commit;
6656 blamed_commit = STAILQ_FIRST(&s->blamed_commits);
6657 STAILQ_REMOVE_HEAD(&s->blamed_commits, entry);
6658 got_object_qid_free(blamed_commit);
6661 if (using_mock_io) {
6662 struct tog_blame_thread_args *bta = &s->blame.thread_args;
6665 rc = pthread_cond_destroy(&bta->blame_complete);
6666 if (rc && err == NULL)
6667 err = got_error_set_errno(rc, "pthread_cond_destroy");
6671 free_colors(&s->colors);
6675 static const struct got_error *
6676 search_start_blame_view(struct tog_view *view)
6678 struct tog_blame_view_state *s = &view->state.blame;
6680 s->matched_line = 0;
6685 search_setup_blame_view(struct tog_view *view, FILE **f, off_t **line_offsets,
6686 size_t *nlines, int **first, int **last, int **match, int **selected)
6688 struct tog_blame_view_state *s = &view->state.blame;
6691 *nlines = s->blame.nlines;
6692 *line_offsets = s->blame.line_offsets;
6693 *match = &s->matched_line;
6694 *first = &s->first_displayed_line;
6695 *last = &s->last_displayed_line;
6696 *selected = &s->selected_line;
6699 static const struct got_error *
6700 show_blame_view(struct tog_view *view)
6702 const struct got_error *err = NULL;
6703 struct tog_blame_view_state *s = &view->state.blame;
6706 if (s->blame.thread == 0 && !s->blame_complete) {
6707 errcode = pthread_create(&s->blame.thread, NULL, blame_thread,
6708 &s->blame.thread_args);
6710 return got_error_set_errno(errcode, "pthread_create");
6713 halfdelay(1); /* fast refresh while annotating */
6716 if (s->blame_complete && !using_mock_io)
6717 halfdelay(10); /* disable fast refresh */
6719 err = draw_blame(view);
6725 static const struct got_error *
6726 log_annotated_line(struct tog_view **new_view, int begin_y, int begin_x,
6727 struct got_repository *repo, struct got_object_id *id)
6729 struct tog_view *log_view;
6730 const struct got_error *err = NULL;
6734 log_view = view_open(0, 0, begin_y, begin_x, TOG_VIEW_LOG);
6735 if (log_view == NULL)
6736 return got_error_from_errno("view_open");
6738 err = open_log_view(log_view, id, repo, GOT_REF_HEAD, "", 0);
6740 view_close(log_view);
6742 *new_view = log_view;
6747 static const struct got_error *
6748 input_blame_view(struct tog_view **new_view, struct tog_view *view, int ch)
6750 const struct got_error *err = NULL, *thread_err = NULL;
6751 struct tog_view *diff_view;
6752 struct tog_blame_view_state *s = &view->state.blame;
6753 int eos, nscroll, begin_y = 0, begin_x = 0;
6755 eos = nscroll = view->nlines - 2;
6756 if (view_is_hsplit_top(view))
6766 horizontal_scroll_input(view, ch);
6773 s->selected_line = 1;
6774 s->first_displayed_line = 1;
6779 if (s->blame.nlines < eos) {
6780 s->selected_line = s->blame.nlines;
6781 s->first_displayed_line = 1;
6783 s->selected_line = eos;
6784 s->first_displayed_line = s->blame.nlines - (eos - 1);
6791 if (s->selected_line > 1)
6793 else if (s->selected_line == 1 &&
6794 s->first_displayed_line > 1)
6795 s->first_displayed_line--;
6806 if (s->first_displayed_line == 1) {
6807 if (view->count > 1)
6809 s->selected_line = MAX(1, s->selected_line - nscroll);
6813 if (s->first_displayed_line > nscroll)
6814 s->first_displayed_line -= nscroll;
6816 s->first_displayed_line = 1;
6821 if (s->selected_line < eos && s->first_displayed_line +
6822 s->selected_line <= s->blame.nlines)
6824 else if (s->first_displayed_line < s->blame.nlines - (eos - 1))
6825 s->first_displayed_line++;
6831 struct got_object_id *id = NULL;
6834 id = get_selected_commit_id(s->blame.lines, s->blame.nlines,
6835 s->first_displayed_line, s->selected_line);
6839 struct got_commit_object *commit, *pcommit;
6840 struct got_object_qid *pid;
6841 struct got_object_id *blob_id = NULL;
6843 err = got_object_open_as_commit(&commit,
6848 got_object_commit_get_parent_ids(commit));
6850 got_object_commit_close(commit);
6853 /* Check if path history ends here. */
6854 err = got_object_open_as_commit(&pcommit,
6858 err = got_object_id_by_path(&blob_id, s->repo,
6860 got_object_commit_close(pcommit);
6862 if (err->code == GOT_ERR_NO_TREE_ENTRY)
6864 got_object_commit_close(commit);
6867 err = got_object_get_type(&obj_type, s->repo,
6870 /* Can't blame non-blob type objects. */
6871 if (obj_type != GOT_OBJ_TYPE_BLOB) {
6872 got_object_commit_close(commit);
6875 err = got_object_qid_alloc(&s->blamed_commit,
6877 got_object_commit_close(commit);
6879 if (got_object_id_cmp(id,
6880 &s->blamed_commit->id) == 0)
6882 err = got_object_qid_alloc(&s->blamed_commit,
6888 thread_err = stop_blame(&s->blame);
6892 STAILQ_INSERT_HEAD(&s->blamed_commits,
6893 s->blamed_commit, entry);
6894 err = run_blame(view);
6900 struct got_object_qid *first;
6903 first = STAILQ_FIRST(&s->blamed_commits);
6904 if (!got_object_id_cmp(&first->id, s->commit_id))
6907 thread_err = stop_blame(&s->blame);
6911 STAILQ_REMOVE_HEAD(&s->blamed_commits, entry);
6912 got_object_qid_free(s->blamed_commit);
6914 STAILQ_FIRST(&s->blamed_commits);
6915 err = run_blame(view);
6922 s->id_to_log = get_selected_commit_id(s->blame.lines,
6923 s->blame.nlines, s->first_displayed_line, s->selected_line);
6925 err = view_request_new(new_view, view, TOG_VIEW_LOG);
6929 struct got_object_id *id = NULL;
6930 struct got_object_qid *pid;
6931 struct got_commit_object *commit = NULL;
6934 id = get_selected_commit_id(s->blame.lines, s->blame.nlines,
6935 s->first_displayed_line, s->selected_line);
6938 err = got_object_open_as_commit(&commit, s->repo, id);
6941 pid = STAILQ_FIRST(got_object_commit_get_parent_ids(commit));
6943 /* traversed from diff view, release diff resources */
6944 err = close_diff_view(*new_view);
6947 diff_view = *new_view;
6949 if (view_is_parent_view(view))
6950 view_get_split(view, &begin_y, &begin_x);
6952 diff_view = view_open(0, 0, begin_y, begin_x,
6954 if (diff_view == NULL) {
6955 got_object_commit_close(commit);
6956 err = got_error_from_errno("view_open");
6960 err = open_diff_view(diff_view, pid ? &pid->id : NULL,
6961 id, NULL, NULL, 3, 0, 0, view, s->repo);
6962 got_object_commit_close(commit);
6965 s->last_diffed_line = s->first_displayed_line - 1 +
6968 break; /* still open from active diff view */
6969 if (view_is_parent_view(view) &&
6970 view->mode == TOG_VIEW_SPLIT_HRZN) {
6971 err = view_init_hsplit(view, begin_y);
6977 diff_view->focussed = 1;
6978 diff_view->mode = view->mode;
6979 diff_view->nlines = view->lines - begin_y;
6980 if (view_is_parent_view(view)) {
6981 view_transfer_size(diff_view, view);
6982 err = view_close_child(view);
6985 err = view_set_child(view, diff_view);
6988 view->focus_child = 1;
6990 *new_view = diff_view;
7003 if (s->last_displayed_line >= s->blame.nlines &&
7004 s->selected_line >= MIN(s->blame.nlines,
7005 view->nlines - 2)) {
7009 if (s->last_displayed_line >= s->blame.nlines &&
7010 s->selected_line < view->nlines - 2) {
7012 MIN(nscroll, s->last_displayed_line -
7013 s->first_displayed_line - s->selected_line + 1);
7015 if (s->last_displayed_line + nscroll <= s->blame.nlines)
7016 s->first_displayed_line += nscroll;
7018 s->first_displayed_line =
7019 s->blame.nlines - (view->nlines - 3);
7022 if (s->selected_line > view->nlines - 2) {
7023 s->selected_line = MIN(s->blame.nlines,
7031 return thread_err ? thread_err : err;
7034 static const struct got_error *
7035 reset_blame_view(struct tog_view *view)
7037 const struct got_error *err;
7038 struct tog_blame_view_state *s = &view->state.blame;
7042 err = stop_blame(&s->blame);
7046 return run_blame(view);
7049 static const struct got_error *
7050 cmd_blame(int argc, char *argv[])
7052 const struct got_error *error;
7053 struct got_repository *repo = NULL;
7054 struct got_worktree *worktree = NULL;
7055 char *cwd = NULL, *repo_path = NULL, *in_repo_path = NULL;
7056 char *link_target = NULL;
7057 struct got_object_id *commit_id = NULL;
7058 struct got_commit_object *commit = NULL;
7059 char *commit_id_str = NULL;
7061 struct tog_view *view = NULL;
7062 int *pack_fds = NULL;
7064 while ((ch = getopt(argc, argv, "c:r:")) != -1) {
7067 commit_id_str = optarg;
7070 repo_path = realpath(optarg, NULL);
7071 if (repo_path == NULL)
7072 return got_error_from_errno2("realpath",
7087 error = got_repo_pack_fds_open(&pack_fds);
7091 if (repo_path == NULL) {
7092 cwd = getcwd(NULL, 0);
7094 return got_error_from_errno("getcwd");
7095 error = got_worktree_open(&worktree, cwd);
7096 if (error && error->code != GOT_ERR_NOT_WORKTREE)
7100 strdup(got_worktree_get_repo_path(worktree));
7102 repo_path = strdup(cwd);
7103 if (repo_path == NULL) {
7104 error = got_error_from_errno("strdup");
7109 error = got_repo_open(&repo, repo_path, NULL, pack_fds);
7113 error = get_in_repo_path_from_argv0(&in_repo_path, argc, argv, repo,
7120 error = apply_unveil(got_repo_get_path(repo), NULL);
7124 error = tog_load_refs(repo, 0);
7128 if (commit_id_str == NULL) {
7129 struct got_reference *head_ref;
7130 error = got_ref_open(&head_ref, repo, worktree ?
7131 got_worktree_get_head_ref_name(worktree) : GOT_REF_HEAD, 0);
7134 error = got_ref_resolve(&commit_id, repo, head_ref);
7135 got_ref_close(head_ref);
7137 error = got_repo_match_object_id(&commit_id, NULL,
7138 commit_id_str, GOT_OBJ_TYPE_COMMIT, &tog_refs, repo);
7143 error = got_object_open_as_commit(&commit, repo, commit_id);
7147 error = got_object_resolve_symlinks(&link_target, in_repo_path,
7152 view = view_open(0, 0, 0, 0, TOG_VIEW_BLAME);
7154 error = got_error_from_errno("view_open");
7157 error = open_blame_view(view, link_target ? link_target : in_repo_path,
7159 if (error != NULL) {
7160 if (view->close == NULL)
7161 close_blame_view(view);
7166 /* Release work tree lock. */
7167 got_worktree_close(worktree);
7170 error = view_loop(view);
7178 got_object_commit_close(commit);
7180 got_worktree_close(worktree);
7182 const struct got_error *close_err = got_repo_close(repo);
7187 const struct got_error *pack_err =
7188 got_repo_pack_fds_close(pack_fds);
7196 static const struct got_error *
7197 draw_tree_entries(struct tog_view *view, const char *parent_path)
7199 struct tog_tree_view_state *s = &view->state.tree;
7200 const struct got_error *err = NULL;
7201 struct got_tree_entry *te;
7204 struct tog_color *tc;
7205 int width, n, nentries, scrollx, i = 1;
7206 int limit = view->nlines;
7209 if (view_is_hsplit_top(view))
7210 --limit; /* border */
7212 werase(view->window);
7217 err = format_line(&wline, &width, NULL, s->tree_label, 0, view->ncols,
7221 if (view_needs_focus_indication(view))
7222 wstandout(view->window);
7223 tc = get_color(&s->colors, TOG_COLOR_COMMIT);
7225 wattr_on(view->window, COLOR_PAIR(tc->colorpair), NULL);
7226 waddwstr(view->window, wline);
7229 while (width++ < view->ncols)
7230 waddch(view->window, ' ');
7232 wattr_off(view->window, COLOR_PAIR(tc->colorpair), NULL);
7233 if (view_needs_focus_indication(view))
7234 wstandend(view->window);
7239 if (s->first_displayed_entry) {
7240 i += got_tree_entry_get_index(s->first_displayed_entry);
7241 if (s->tree != s->root)
7242 ++i; /* account for ".." entry */
7244 nentries = got_object_tree_get_nentries(s->tree);
7245 if (asprintf(&index, "[%d/%d] %s",
7246 i, nentries + (s->tree == s->root ? 0 : 1), parent_path) == -1)
7247 return got_error_from_errno("asprintf");
7248 err = format_line(&wline, &width, NULL, index, 0, view->ncols, 0, 0);
7252 waddwstr(view->window, wline);
7255 if (width < view->ncols - 1)
7256 waddch(view->window, '\n');
7259 waddch(view->window, '\n');
7263 if (s->first_displayed_entry == NULL) {
7264 te = got_object_tree_get_first_entry(s->tree);
7265 if (s->selected == 0) {
7267 wstandout(view->window);
7268 s->selected_entry = NULL;
7270 waddstr(view->window, " ..\n"); /* parent directory */
7271 if (s->selected == 0 && view->focussed)
7272 wstandend(view->window);
7279 te = s->first_displayed_entry;
7283 for (i = got_tree_entry_get_index(te); i < nentries; i++) {
7284 char *line = NULL, *id_str = NULL, *link_target = NULL;
7285 const char *modestr = "";
7288 te = got_object_tree_get_entry(s->tree, i);
7289 mode = got_tree_entry_get_mode(te);
7292 err = got_object_id_str(&id_str,
7293 got_tree_entry_get_id(te));
7295 return got_error_from_errno(
7296 "got_object_id_str");
7298 if (got_object_tree_entry_is_submodule(te))
7300 else if (S_ISLNK(mode)) {
7303 err = got_tree_entry_get_symlink_target(&link_target,
7309 for (i = 0; link_target[i] != '\0'; i++) {
7310 if (!isprint((unsigned char)link_target[i]))
7311 link_target[i] = '?';
7315 else if (S_ISDIR(mode))
7317 else if (mode & S_IXUSR)
7319 if (asprintf(&line, "%s %s%s%s%s", id_str ? id_str : "",
7320 got_tree_entry_get_name(te), modestr,
7321 link_target ? " -> ": "",
7322 link_target ? link_target : "") == -1) {
7325 return got_error_from_errno("asprintf");
7330 /* use full line width to determine view->maxx */
7331 err = format_line(&wline, &width, NULL, line, 0, INT_MAX, 0, 0);
7336 view->maxx = MAX(view->maxx, width);
7340 err = format_line(&wline, &width, &scrollx, line, view->x,
7346 if (n == s->selected) {
7348 wstandout(view->window);
7349 s->selected_entry = te;
7351 tc = match_color(&s->colors, line);
7353 wattr_on(view->window,
7354 COLOR_PAIR(tc->colorpair), NULL);
7355 waddwstr(view->window, &wline[scrollx]);
7357 wattr_off(view->window,
7358 COLOR_PAIR(tc->colorpair), NULL);
7359 if (width < view->ncols)
7360 waddch(view->window, '\n');
7361 if (n == s->selected && view->focussed)
7362 wstandend(view->window);
7368 s->last_displayed_entry = te;
7377 tree_scroll_up(struct tog_tree_view_state *s, int maxscroll)
7379 struct got_tree_entry *te;
7380 int isroot = s->tree == s->root;
7383 if (s->first_displayed_entry == NULL)
7386 te = got_tree_entry_get_prev(s->tree, s->first_displayed_entry);
7387 while (i++ < maxscroll) {
7390 s->first_displayed_entry = NULL;
7393 s->first_displayed_entry = te;
7394 te = got_tree_entry_get_prev(s->tree, te);
7398 static const struct got_error *
7399 tree_scroll_down(struct tog_view *view, int maxscroll)
7401 struct tog_tree_view_state *s = &view->state.tree;
7402 struct got_tree_entry *next, *last;
7405 if (s->first_displayed_entry)
7406 next = got_tree_entry_get_next(s->tree,
7407 s->first_displayed_entry);
7409 next = got_object_tree_get_first_entry(s->tree);
7411 last = s->last_displayed_entry;
7412 while (next && n++ < maxscroll) {
7414 s->last_displayed_entry = last;
7415 last = got_tree_entry_get_next(s->tree, last);
7417 if (last || (view->mode == TOG_VIEW_SPLIT_HRZN && next)) {
7418 s->first_displayed_entry = next;
7419 next = got_tree_entry_get_next(s->tree, next);
7426 static const struct got_error *
7427 tree_entry_path(char **path, struct tog_parent_trees *parents,
7428 struct got_tree_entry *te)
7430 const struct got_error *err = NULL;
7431 struct tog_parent_tree *pt;
7432 size_t len = 2; /* for leading slash and NUL */
7434 TAILQ_FOREACH(pt, parents, entry)
7435 len += strlen(got_tree_entry_get_name(pt->selected_entry))
7438 len += strlen(got_tree_entry_get_name(te));
7440 *path = calloc(1, len);
7442 return got_error_from_errno("calloc");
7445 pt = TAILQ_LAST(parents, tog_parent_trees);
7447 const char *name = got_tree_entry_get_name(pt->selected_entry);
7448 if (strlcat(*path, name, len) >= len) {
7449 err = got_error(GOT_ERR_NO_SPACE);
7452 if (strlcat(*path, "/", len) >= len) {
7453 err = got_error(GOT_ERR_NO_SPACE);
7456 pt = TAILQ_PREV(pt, tog_parent_trees, entry);
7459 if (strlcat(*path, got_tree_entry_get_name(te), len) >= len) {
7460 err = got_error(GOT_ERR_NO_SPACE);
7472 static const struct got_error *
7473 blame_tree_entry(struct tog_view **new_view, int begin_y, int begin_x,
7474 struct got_tree_entry *te, struct tog_parent_trees *parents,
7475 struct got_object_id *commit_id, struct got_repository *repo)
7477 const struct got_error *err = NULL;
7479 struct tog_view *blame_view;
7483 err = tree_entry_path(&path, parents, te);
7487 blame_view = view_open(0, 0, begin_y, begin_x, TOG_VIEW_BLAME);
7488 if (blame_view == NULL) {
7489 err = got_error_from_errno("view_open");
7493 err = open_blame_view(blame_view, path, commit_id, repo);
7495 if (err->code == GOT_ERR_CANCELLED)
7497 view_close(blame_view);
7499 *new_view = blame_view;
7505 static const struct got_error *
7506 log_selected_tree_entry(struct tog_view **new_view, int begin_y, int begin_x,
7507 struct tog_tree_view_state *s)
7509 struct tog_view *log_view;
7510 const struct got_error *err = NULL;
7515 log_view = view_open(0, 0, begin_y, begin_x, TOG_VIEW_LOG);
7516 if (log_view == NULL)
7517 return got_error_from_errno("view_open");
7519 err = tree_entry_path(&path, &s->parents, s->selected_entry);
7523 err = open_log_view(log_view, s->commit_id, s->repo, s->head_ref_name,
7526 view_close(log_view);
7528 *new_view = log_view;
7533 static const struct got_error *
7534 open_tree_view(struct tog_view *view, struct got_object_id *commit_id,
7535 const char *head_ref_name, struct got_repository *repo)
7537 const struct got_error *err = NULL;
7538 char *commit_id_str = NULL;
7539 struct tog_tree_view_state *s = &view->state.tree;
7540 struct got_commit_object *commit = NULL;
7542 TAILQ_INIT(&s->parents);
7543 STAILQ_INIT(&s->colors);
7545 s->commit_id = got_object_id_dup(commit_id);
7546 if (s->commit_id == NULL) {
7547 err = got_error_from_errno("got_object_id_dup");
7551 err = got_object_open_as_commit(&commit, repo, commit_id);
7556 * The root is opened here and will be closed when the view is closed.
7557 * Any visited subtrees and their path-wise parents are opened and
7560 err = got_object_open_as_tree(&s->root, repo,
7561 got_object_commit_get_tree_id(commit));
7566 err = got_object_id_str(&commit_id_str, commit_id);
7570 if (asprintf(&s->tree_label, "commit %s", commit_id_str) == -1) {
7571 err = got_error_from_errno("asprintf");
7575 s->first_displayed_entry = got_object_tree_get_entry(s->tree, 0);
7576 s->selected_entry = got_object_tree_get_entry(s->tree, 0);
7577 if (head_ref_name) {
7578 s->head_ref_name = strdup(head_ref_name);
7579 if (s->head_ref_name == NULL) {
7580 err = got_error_from_errno("strdup");
7586 if (has_colors() && getenv("TOG_COLORS") != NULL) {
7587 err = add_color(&s->colors, "\\$$",
7588 TOG_COLOR_TREE_SUBMODULE,
7589 get_color_value("TOG_COLOR_TREE_SUBMODULE"));
7592 err = add_color(&s->colors, "@$", TOG_COLOR_TREE_SYMLINK,
7593 get_color_value("TOG_COLOR_TREE_SYMLINK"));
7596 err = add_color(&s->colors, "/$",
7597 TOG_COLOR_TREE_DIRECTORY,
7598 get_color_value("TOG_COLOR_TREE_DIRECTORY"));
7602 err = add_color(&s->colors, "\\*$",
7603 TOG_COLOR_TREE_EXECUTABLE,
7604 get_color_value("TOG_COLOR_TREE_EXECUTABLE"));
7608 err = add_color(&s->colors, "^$", TOG_COLOR_COMMIT,
7609 get_color_value("TOG_COLOR_COMMIT"));
7614 view->show = show_tree_view;
7615 view->input = input_tree_view;
7616 view->close = close_tree_view;
7617 view->search_start = search_start_tree_view;
7618 view->search_next = search_next_tree_view;
7620 free(commit_id_str);
7622 got_object_commit_close(commit);
7624 if (view->close == NULL)
7625 close_tree_view(view);
7631 static const struct got_error *
7632 close_tree_view(struct tog_view *view)
7634 struct tog_tree_view_state *s = &view->state.tree;
7636 free_colors(&s->colors);
7637 free(s->tree_label);
7638 s->tree_label = NULL;
7640 s->commit_id = NULL;
7641 free(s->head_ref_name);
7642 s->head_ref_name = NULL;
7643 while (!TAILQ_EMPTY(&s->parents)) {
7644 struct tog_parent_tree *parent;
7645 parent = TAILQ_FIRST(&s->parents);
7646 TAILQ_REMOVE(&s->parents, parent, entry);
7647 if (parent->tree != s->root)
7648 got_object_tree_close(parent->tree);
7652 if (s->tree != NULL && s->tree != s->root)
7653 got_object_tree_close(s->tree);
7655 got_object_tree_close(s->root);
7659 static const struct got_error *
7660 search_start_tree_view(struct tog_view *view)
7662 struct tog_tree_view_state *s = &view->state.tree;
7664 s->matched_entry = NULL;
7669 match_tree_entry(struct got_tree_entry *te, regex_t *regex)
7671 regmatch_t regmatch;
7673 return regexec(regex, got_tree_entry_get_name(te), 1, ®match,
7677 static const struct got_error *
7678 search_next_tree_view(struct tog_view *view)
7680 struct tog_tree_view_state *s = &view->state.tree;
7681 struct got_tree_entry *te = NULL;
7683 if (!view->searching) {
7684 view->search_next_done = TOG_SEARCH_HAVE_MORE;
7688 if (s->matched_entry) {
7689 if (view->searching == TOG_SEARCH_FORWARD) {
7690 if (s->selected_entry)
7691 te = got_tree_entry_get_next(s->tree,
7694 te = got_object_tree_get_first_entry(s->tree);
7696 if (s->selected_entry == NULL)
7697 te = got_object_tree_get_last_entry(s->tree);
7699 te = got_tree_entry_get_prev(s->tree,
7703 if (s->selected_entry)
7704 te = s->selected_entry;
7705 else if (view->searching == TOG_SEARCH_FORWARD)
7706 te = got_object_tree_get_first_entry(s->tree);
7708 te = got_object_tree_get_last_entry(s->tree);
7713 if (s->matched_entry == NULL) {
7714 view->search_next_done = TOG_SEARCH_HAVE_MORE;
7717 if (view->searching == TOG_SEARCH_FORWARD)
7718 te = got_object_tree_get_first_entry(s->tree);
7720 te = got_object_tree_get_last_entry(s->tree);
7723 if (match_tree_entry(te, &view->regex)) {
7724 view->search_next_done = TOG_SEARCH_HAVE_MORE;
7725 s->matched_entry = te;
7729 if (view->searching == TOG_SEARCH_FORWARD)
7730 te = got_tree_entry_get_next(s->tree, te);
7732 te = got_tree_entry_get_prev(s->tree, te);
7735 if (s->matched_entry) {
7736 s->first_displayed_entry = s->matched_entry;
7743 static const struct got_error *
7744 show_tree_view(struct tog_view *view)
7746 const struct got_error *err = NULL;
7747 struct tog_tree_view_state *s = &view->state.tree;
7750 err = tree_entry_path(&parent_path, &s->parents, NULL);
7754 err = draw_tree_entries(view, parent_path);
7761 static const struct got_error *
7762 tree_goto_line(struct tog_view *view, int nlines)
7764 const struct got_error *err = NULL;
7765 struct tog_tree_view_state *s = &view->state.tree;
7766 struct got_tree_entry **fte, **lte, **ste;
7767 int g, last, first = 1, i = 1;
7768 int root = s->tree == s->root;
7769 int off = root ? 1 : 2;
7776 else if (g > got_object_tree_get_nentries(s->tree))
7777 g = got_object_tree_get_nentries(s->tree) + (root ? 0 : 1);
7779 fte = &s->first_displayed_entry;
7780 lte = &s->last_displayed_entry;
7781 ste = &s->selected_entry;
7784 first = got_tree_entry_get_index(*fte);
7785 first += off; /* account for ".." */
7787 last = got_tree_entry_get_index(*lte);
7790 if (g >= first && g <= last && g - first < nlines) {
7791 s->selected = g - first;
7792 return NULL; /* gline is on the current page */
7796 i = got_tree_entry_get_index(*ste);
7801 err = tree_scroll_down(view, g - i);
7804 if (got_tree_entry_get_index(*lte) >=
7805 got_object_tree_get_nentries(s->tree) - 1 &&
7806 first + s->selected < g &&
7807 s->selected < s->ndisplayed - 1) {
7808 first = got_tree_entry_get_index(*fte);
7810 s->selected = g - first;
7813 tree_scroll_up(s, i - g);
7816 (*fte == NULL || (root && !got_tree_entry_get_index(*fte))))
7817 s->selected = g - 1;
7822 static const struct got_error *
7823 input_tree_view(struct tog_view **new_view, struct tog_view *view, int ch)
7825 const struct got_error *err = NULL;
7826 struct tog_tree_view_state *s = &view->state.tree;
7827 struct got_tree_entry *te;
7828 int n, nscroll = view->nlines - 3;
7831 return tree_goto_line(view, nscroll);
7840 horizontal_scroll_input(view, ch);
7843 s->show_ids = !s->show_ids;
7848 if (!s->selected_entry)
7850 err = view_request_new(new_view, view, TOG_VIEW_LOG);
7854 err = view_request_new(new_view, view, TOG_VIEW_REF);
7861 if (s->tree == s->root)
7862 s->first_displayed_entry =
7863 got_object_tree_get_first_entry(s->tree);
7865 s->first_displayed_entry = NULL;
7870 int eos = view->nlines - 3;
7872 if (view->mode == TOG_VIEW_SPLIT_HRZN)
7876 te = got_object_tree_get_last_entry(s->tree);
7877 for (n = 0; n < eos; n++) {
7879 if (s->tree != s->root) {
7880 s->first_displayed_entry = NULL;
7885 s->first_displayed_entry = te;
7886 te = got_tree_entry_get_prev(s->tree, te);
7889 s->selected = n - 1;
7895 if (s->selected > 0) {
7899 tree_scroll_up(s, 1);
7900 if (s->selected_entry == NULL ||
7901 (s->tree == s->root && s->selected_entry ==
7902 got_object_tree_get_first_entry(s->tree)))
7912 if (s->tree == s->root) {
7913 if (got_object_tree_get_first_entry(s->tree) ==
7914 s->first_displayed_entry)
7915 s->selected -= MIN(s->selected, nscroll);
7917 if (s->first_displayed_entry == NULL)
7918 s->selected -= MIN(s->selected, nscroll);
7920 tree_scroll_up(s, MAX(0, nscroll));
7921 if (s->selected_entry == NULL ||
7922 (s->tree == s->root && s->selected_entry ==
7923 got_object_tree_get_first_entry(s->tree)))
7929 if (s->selected < s->ndisplayed - 1) {
7933 if (got_tree_entry_get_next(s->tree, s->last_displayed_entry)
7935 /* can't scroll any further */
7939 tree_scroll_down(view, 1);
7949 if (got_tree_entry_get_next(s->tree, s->last_displayed_entry)
7951 /* can't scroll any further; move cursor down */
7952 if (s->selected < s->ndisplayed - 1)
7953 s->selected += MIN(nscroll,
7954 s->ndisplayed - s->selected - 1);
7959 tree_scroll_down(view, nscroll);
7964 if (s->selected_entry == NULL || ch == KEY_BACKSPACE) {
7965 struct tog_parent_tree *parent;
7966 /* user selected '..' */
7967 if (s->tree == s->root) {
7971 parent = TAILQ_FIRST(&s->parents);
7972 TAILQ_REMOVE(&s->parents, parent,
7974 got_object_tree_close(s->tree);
7975 s->tree = parent->tree;
7976 s->first_displayed_entry =
7977 parent->first_displayed_entry;
7979 parent->selected_entry;
7980 s->selected = parent->selected;
7981 if (s->selected > view->nlines - 3) {
7982 err = offset_selection_down(view);
7987 } else if (S_ISDIR(got_tree_entry_get_mode(
7988 s->selected_entry))) {
7989 struct got_tree_object *subtree;
7991 err = got_object_open_as_tree(&subtree, s->repo,
7992 got_tree_entry_get_id(s->selected_entry));
7995 err = tree_view_visit_subtree(s, subtree);
7997 got_object_tree_close(subtree);
8000 } else if (S_ISREG(got_tree_entry_get_mode(s->selected_entry)))
8001 err = view_request_new(new_view, view, TOG_VIEW_BLAME);
8004 if (view->nlines >= 4 && s->selected >= view->nlines - 3)
8005 s->selected = view->nlines - 4;
8021 "usage: %s tree [-c commit] [-r repository-path] [path]\n",
8026 static const struct got_error *
8027 cmd_tree(int argc, char *argv[])
8029 const struct got_error *error;
8030 struct got_repository *repo = NULL;
8031 struct got_worktree *worktree = NULL;
8032 char *cwd = NULL, *repo_path = NULL, *in_repo_path = NULL;
8033 struct got_object_id *commit_id = NULL;
8034 struct got_commit_object *commit = NULL;
8035 const char *commit_id_arg = NULL;
8037 struct got_reference *ref = NULL;
8038 const char *head_ref_name = NULL;
8040 struct tog_view *view;
8041 int *pack_fds = NULL;
8043 while ((ch = getopt(argc, argv, "c:r:")) != -1) {
8046 commit_id_arg = optarg;
8049 repo_path = realpath(optarg, NULL);
8050 if (repo_path == NULL)
8051 return got_error_from_errno2("realpath",
8066 error = got_repo_pack_fds_open(&pack_fds);
8070 if (repo_path == NULL) {
8071 cwd = getcwd(NULL, 0);
8073 return got_error_from_errno("getcwd");
8074 error = got_worktree_open(&worktree, cwd);
8075 if (error && error->code != GOT_ERR_NOT_WORKTREE)
8079 strdup(got_worktree_get_repo_path(worktree));
8081 repo_path = strdup(cwd);
8082 if (repo_path == NULL) {
8083 error = got_error_from_errno("strdup");
8088 error = got_repo_open(&repo, repo_path, NULL, pack_fds);
8092 error = get_in_repo_path_from_argv0(&in_repo_path, argc, argv,
8099 error = apply_unveil(got_repo_get_path(repo), NULL);
8103 error = tog_load_refs(repo, 0);
8107 if (commit_id_arg == NULL) {
8108 error = got_repo_match_object_id(&commit_id, &label,
8109 worktree ? got_worktree_get_head_ref_name(worktree) :
8110 GOT_REF_HEAD, GOT_OBJ_TYPE_COMMIT, &tog_refs, repo);
8113 head_ref_name = label;
8115 error = got_ref_open(&ref, repo, commit_id_arg, 0);
8117 head_ref_name = got_ref_get_name(ref);
8118 else if (error->code != GOT_ERR_NOT_REF)
8120 error = got_repo_match_object_id(&commit_id, NULL,
8121 commit_id_arg, GOT_OBJ_TYPE_COMMIT, &tog_refs, repo);
8126 error = got_object_open_as_commit(&commit, repo, commit_id);
8130 view = view_open(0, 0, 0, 0, TOG_VIEW_TREE);
8132 error = got_error_from_errno("view_open");
8135 error = open_tree_view(view, commit_id, head_ref_name, repo);
8138 if (!got_path_is_root_dir(in_repo_path)) {
8139 error = tree_view_walk_path(&view->state.tree, commit,
8146 /* Release work tree lock. */
8147 got_worktree_close(worktree);
8150 error = view_loop(view);
8159 const struct got_error *close_err = got_repo_close(repo);
8164 const struct got_error *pack_err =
8165 got_repo_pack_fds_close(pack_fds);
8173 static const struct got_error *
8174 ref_view_load_refs(struct tog_ref_view_state *s)
8176 struct got_reflist_entry *sre;
8177 struct tog_reflist_entry *re;
8180 TAILQ_FOREACH(sre, &tog_refs, entry) {
8181 if (strncmp(got_ref_get_name(sre->ref),
8182 "refs/got/", 9) == 0 &&
8183 strncmp(got_ref_get_name(sre->ref),
8184 "refs/got/backup/", 16) != 0)
8187 re = malloc(sizeof(*re));
8189 return got_error_from_errno("malloc");
8191 re->ref = got_ref_dup(sre->ref);
8192 if (re->ref == NULL)
8193 return got_error_from_errno("got_ref_dup");
8194 re->idx = s->nrefs++;
8195 TAILQ_INSERT_TAIL(&s->refs, re, entry);
8198 s->first_displayed_entry = TAILQ_FIRST(&s->refs);
8203 ref_view_free_refs(struct tog_ref_view_state *s)
8205 struct tog_reflist_entry *re;
8207 while (!TAILQ_EMPTY(&s->refs)) {
8208 re = TAILQ_FIRST(&s->refs);
8209 TAILQ_REMOVE(&s->refs, re, entry);
8210 got_ref_close(re->ref);
8215 static const struct got_error *
8216 open_ref_view(struct tog_view *view, struct got_repository *repo)
8218 const struct got_error *err = NULL;
8219 struct tog_ref_view_state *s = &view->state.ref;
8221 s->selected_entry = 0;
8224 TAILQ_INIT(&s->refs);
8225 STAILQ_INIT(&s->colors);
8227 err = ref_view_load_refs(s);
8231 if (has_colors() && getenv("TOG_COLORS") != NULL) {
8232 err = add_color(&s->colors, "^refs/heads/",
8233 TOG_COLOR_REFS_HEADS,
8234 get_color_value("TOG_COLOR_REFS_HEADS"));
8238 err = add_color(&s->colors, "^refs/tags/",
8239 TOG_COLOR_REFS_TAGS,
8240 get_color_value("TOG_COLOR_REFS_TAGS"));
8244 err = add_color(&s->colors, "^refs/remotes/",
8245 TOG_COLOR_REFS_REMOTES,
8246 get_color_value("TOG_COLOR_REFS_REMOTES"));
8250 err = add_color(&s->colors, "^refs/got/backup/",
8251 TOG_COLOR_REFS_BACKUP,
8252 get_color_value("TOG_COLOR_REFS_BACKUP"));
8257 view->show = show_ref_view;
8258 view->input = input_ref_view;
8259 view->close = close_ref_view;
8260 view->search_start = search_start_ref_view;
8261 view->search_next = search_next_ref_view;
8264 if (view->close == NULL)
8265 close_ref_view(view);
8271 static const struct got_error *
8272 close_ref_view(struct tog_view *view)
8274 struct tog_ref_view_state *s = &view->state.ref;
8276 ref_view_free_refs(s);
8277 free_colors(&s->colors);
8282 static const struct got_error *
8283 resolve_reflist_entry(struct got_object_id **commit_id,
8284 struct tog_reflist_entry *re, struct got_repository *repo)
8286 const struct got_error *err = NULL;
8287 struct got_object_id *obj_id;
8288 struct got_tag_object *tag = NULL;
8293 err = got_ref_resolve(&obj_id, repo, re->ref);
8297 err = got_object_get_type(&obj_type, repo, obj_id);
8302 case GOT_OBJ_TYPE_COMMIT:
8303 *commit_id = obj_id;
8305 case GOT_OBJ_TYPE_TAG:
8306 err = got_object_open_as_tag(&tag, repo, obj_id);
8310 err = got_object_get_type(&obj_type, repo,
8311 got_object_tag_get_object_id(tag));
8314 if (obj_type != GOT_OBJ_TYPE_COMMIT) {
8315 err = got_error(GOT_ERR_OBJ_TYPE);
8318 *commit_id = got_object_id_dup(
8319 got_object_tag_get_object_id(tag));
8320 if (*commit_id == NULL) {
8321 err = got_error_from_errno("got_object_id_dup");
8326 err = got_error(GOT_ERR_OBJ_TYPE);
8332 got_object_tag_close(tag);
8340 static const struct got_error *
8341 log_ref_entry(struct tog_view **new_view, int begin_y, int begin_x,
8342 struct tog_reflist_entry *re, struct got_repository *repo)
8344 struct tog_view *log_view;
8345 const struct got_error *err = NULL;
8346 struct got_object_id *commit_id = NULL;
8350 err = resolve_reflist_entry(&commit_id, re, repo);
8352 if (err->code != GOT_ERR_OBJ_TYPE)
8358 log_view = view_open(0, 0, begin_y, begin_x, TOG_VIEW_LOG);
8359 if (log_view == NULL) {
8360 err = got_error_from_errno("view_open");
8364 err = open_log_view(log_view, commit_id, repo,
8365 got_ref_get_name(re->ref), "", 0);
8368 view_close(log_view);
8370 *new_view = log_view;
8376 ref_scroll_up(struct tog_ref_view_state *s, int maxscroll)
8378 struct tog_reflist_entry *re;
8381 if (s->first_displayed_entry == TAILQ_FIRST(&s->refs))
8384 re = TAILQ_PREV(s->first_displayed_entry, tog_reflist_head, entry);
8385 while (i++ < maxscroll) {
8388 s->first_displayed_entry = re;
8389 re = TAILQ_PREV(re, tog_reflist_head, entry);
8393 static const struct got_error *
8394 ref_scroll_down(struct tog_view *view, int maxscroll)
8396 struct tog_ref_view_state *s = &view->state.ref;
8397 struct tog_reflist_entry *next, *last;
8400 if (s->first_displayed_entry)
8401 next = TAILQ_NEXT(s->first_displayed_entry, entry);
8403 next = TAILQ_FIRST(&s->refs);
8405 last = s->last_displayed_entry;
8406 while (next && n++ < maxscroll) {
8408 s->last_displayed_entry = last;
8409 last = TAILQ_NEXT(last, entry);
8411 if (last || (view->mode == TOG_VIEW_SPLIT_HRZN)) {
8412 s->first_displayed_entry = next;
8413 next = TAILQ_NEXT(next, entry);
8420 static const struct got_error *
8421 search_start_ref_view(struct tog_view *view)
8423 struct tog_ref_view_state *s = &view->state.ref;
8425 s->matched_entry = NULL;
8430 match_reflist_entry(struct tog_reflist_entry *re, regex_t *regex)
8432 regmatch_t regmatch;
8434 return regexec(regex, got_ref_get_name(re->ref), 1, ®match,
8438 static const struct got_error *
8439 search_next_ref_view(struct tog_view *view)
8441 struct tog_ref_view_state *s = &view->state.ref;
8442 struct tog_reflist_entry *re = NULL;
8444 if (!view->searching) {
8445 view->search_next_done = TOG_SEARCH_HAVE_MORE;
8449 if (s->matched_entry) {
8450 if (view->searching == TOG_SEARCH_FORWARD) {
8451 if (s->selected_entry)
8452 re = TAILQ_NEXT(s->selected_entry, entry);
8454 re = TAILQ_PREV(s->selected_entry,
8455 tog_reflist_head, entry);
8457 if (s->selected_entry == NULL)
8458 re = TAILQ_LAST(&s->refs, tog_reflist_head);
8460 re = TAILQ_PREV(s->selected_entry,
8461 tog_reflist_head, entry);
8464 if (s->selected_entry)
8465 re = s->selected_entry;
8466 else if (view->searching == TOG_SEARCH_FORWARD)
8467 re = TAILQ_FIRST(&s->refs);
8469 re = TAILQ_LAST(&s->refs, tog_reflist_head);
8474 if (s->matched_entry == NULL) {
8475 view->search_next_done = TOG_SEARCH_HAVE_MORE;
8478 if (view->searching == TOG_SEARCH_FORWARD)
8479 re = TAILQ_FIRST(&s->refs);
8481 re = TAILQ_LAST(&s->refs, tog_reflist_head);
8484 if (match_reflist_entry(re, &view->regex)) {
8485 view->search_next_done = TOG_SEARCH_HAVE_MORE;
8486 s->matched_entry = re;
8490 if (view->searching == TOG_SEARCH_FORWARD)
8491 re = TAILQ_NEXT(re, entry);
8493 re = TAILQ_PREV(re, tog_reflist_head, entry);
8496 if (s->matched_entry) {
8497 s->first_displayed_entry = s->matched_entry;
8504 static const struct got_error *
8505 show_ref_view(struct tog_view *view)
8507 const struct got_error *err = NULL;
8508 struct tog_ref_view_state *s = &view->state.ref;
8509 struct tog_reflist_entry *re;
8512 struct tog_color *tc;
8513 int width, n, scrollx;
8514 int limit = view->nlines;
8516 werase(view->window);
8519 if (view_is_hsplit_top(view))
8520 --limit; /* border */
8525 re = s->first_displayed_entry;
8527 if (asprintf(&line, "references [%d/%d]", re->idx + s->selected + 1,
8529 return got_error_from_errno("asprintf");
8531 err = format_line(&wline, &width, NULL, line, 0, view->ncols, 0, 0);
8536 if (view_needs_focus_indication(view))
8537 wstandout(view->window);
8538 waddwstr(view->window, wline);
8539 while (width++ < view->ncols)
8540 waddch(view->window, ' ');
8541 if (view_needs_focus_indication(view))
8542 wstandend(view->window);
8552 while (re && limit > 0) {
8554 char ymd[13]; /* YYYY-MM-DD + " " + NUL */
8557 struct got_commit_object *ci;
8558 struct got_tag_object *tag;
8559 struct got_object_id *id;
8563 err = got_ref_resolve(&id, s->repo, re->ref);
8566 err = got_object_open_as_tag(&tag, s->repo, id);
8568 if (err->code != GOT_ERR_OBJ_TYPE) {
8572 err = got_object_open_as_commit(&ci, s->repo,
8578 t = got_object_commit_get_committer_time(ci);
8579 got_object_commit_close(ci);
8581 t = got_object_tag_get_tagger_time(tag);
8582 got_object_tag_close(tag);
8585 if (gmtime_r(&t, &tm) == NULL)
8586 return got_error_from_errno("gmtime_r");
8587 if (strftime(ymd, sizeof(ymd), "%G-%m-%d ", &tm) == 0)
8588 return got_error(GOT_ERR_NO_SPACE);
8590 if (got_ref_is_symbolic(re->ref)) {
8591 if (asprintf(&line, "%s%s -> %s", s->show_date ?
8592 ymd : "", got_ref_get_name(re->ref),
8593 got_ref_get_symref_target(re->ref)) == -1)
8594 return got_error_from_errno("asprintf");
8595 } else if (s->show_ids) {
8596 struct got_object_id *id;
8598 err = got_ref_resolve(&id, s->repo, re->ref);
8601 err = got_object_id_str(&id_str, id);
8606 if (asprintf(&line, "%s%s: %s", s->show_date ? ymd : "",
8607 got_ref_get_name(re->ref), id_str) == -1) {
8608 err = got_error_from_errno("asprintf");
8615 } else if (asprintf(&line, "%s%s", s->show_date ? ymd : "",
8616 got_ref_get_name(re->ref)) == -1)
8617 return got_error_from_errno("asprintf");
8619 /* use full line width to determine view->maxx */
8620 err = format_line(&wline, &width, NULL, line, 0, INT_MAX, 0, 0);
8625 view->maxx = MAX(view->maxx, width);
8629 err = format_line(&wline, &width, &scrollx, line, view->x,
8635 if (n == s->selected) {
8637 wstandout(view->window);
8638 s->selected_entry = re;
8640 tc = match_color(&s->colors, got_ref_get_name(re->ref));
8642 wattr_on(view->window,
8643 COLOR_PAIR(tc->colorpair), NULL);
8644 waddwstr(view->window, &wline[scrollx]);
8646 wattr_off(view->window,
8647 COLOR_PAIR(tc->colorpair), NULL);
8648 if (width < view->ncols)
8649 waddch(view->window, '\n');
8650 if (n == s->selected && view->focussed)
8651 wstandend(view->window);
8657 s->last_displayed_entry = re;
8660 re = TAILQ_NEXT(re, entry);
8667 static const struct got_error *
8668 browse_ref_tree(struct tog_view **new_view, int begin_y, int begin_x,
8669 struct tog_reflist_entry *re, struct got_repository *repo)
8671 const struct got_error *err = NULL;
8672 struct got_object_id *commit_id = NULL;
8673 struct tog_view *tree_view;
8677 err = resolve_reflist_entry(&commit_id, re, repo);
8679 if (err->code != GOT_ERR_OBJ_TYPE)
8686 tree_view = view_open(0, 0, begin_y, begin_x, TOG_VIEW_TREE);
8687 if (tree_view == NULL) {
8688 err = got_error_from_errno("view_open");
8692 err = open_tree_view(tree_view, commit_id,
8693 got_ref_get_name(re->ref), repo);
8697 *new_view = tree_view;
8703 static const struct got_error *
8704 ref_goto_line(struct tog_view *view, int nlines)
8706 const struct got_error *err = NULL;
8707 struct tog_ref_view_state *s = &view->state.ref;
8708 int g, idx = s->selected_entry->idx;
8715 else if (g > s->nrefs)
8718 if (g >= s->first_displayed_entry->idx + 1 &&
8719 g <= s->last_displayed_entry->idx + 1 &&
8720 g - s->first_displayed_entry->idx - 1 < nlines) {
8721 s->selected = g - s->first_displayed_entry->idx - 1;
8726 err = ref_scroll_down(view, g - idx - 1);
8729 if (TAILQ_NEXT(s->last_displayed_entry, entry) == NULL &&
8730 s->first_displayed_entry->idx + s->selected < g &&
8731 s->selected < s->ndisplayed - 1)
8732 s->selected = g - s->first_displayed_entry->idx - 1;
8733 } else if (idx + 1 > g)
8734 ref_scroll_up(s, idx - g + 1);
8736 if (g < nlines && s->first_displayed_entry->idx == 0)
8737 s->selected = g - 1;
8743 static const struct got_error *
8744 input_ref_view(struct tog_view **new_view, struct tog_view *view, int ch)
8746 const struct got_error *err = NULL;
8747 struct tog_ref_view_state *s = &view->state.ref;
8748 struct tog_reflist_entry *re;
8749 int n, nscroll = view->nlines - 1;
8752 return ref_goto_line(view, nscroll);
8761 horizontal_scroll_input(view, ch);
8764 s->show_ids = !s->show_ids;
8768 s->show_date = !s->show_date;
8772 s->sort_by_date = !s->sort_by_date;
8773 view->action = s->sort_by_date ? "sort by date" : "sort by name";
8775 err = got_reflist_sort(&tog_refs, s->sort_by_date ?
8776 got_ref_cmp_by_commit_timestamp_descending :
8777 tog_ref_cmp_by_name, s->repo);
8780 got_reflist_object_id_map_free(tog_refs_idmap);
8781 err = got_reflist_object_id_map_create(&tog_refs_idmap,
8782 &tog_refs, s->repo);
8785 ref_view_free_refs(s);
8786 err = ref_view_load_refs(s);
8791 if (!s->selected_entry)
8793 err = view_request_new(new_view, view, TOG_VIEW_LOG);
8797 if (!s->selected_entry)
8799 err = view_request_new(new_view, view, TOG_VIEW_TREE);
8806 s->first_displayed_entry = TAILQ_FIRST(&s->refs);
8811 int eos = view->nlines - 1;
8813 if (view->mode == TOG_VIEW_SPLIT_HRZN)
8817 re = TAILQ_LAST(&s->refs, tog_reflist_head);
8818 for (n = 0; n < eos; n++) {
8821 s->first_displayed_entry = re;
8822 re = TAILQ_PREV(re, tog_reflist_head, entry);
8825 s->selected = n - 1;
8831 if (s->selected > 0) {
8835 ref_scroll_up(s, 1);
8836 if (s->selected_entry == TAILQ_FIRST(&s->refs))
8846 if (s->first_displayed_entry == TAILQ_FIRST(&s->refs))
8847 s->selected -= MIN(nscroll, s->selected);
8848 ref_scroll_up(s, MAX(0, nscroll));
8849 if (s->selected_entry == TAILQ_FIRST(&s->refs))
8855 if (s->selected < s->ndisplayed - 1) {
8859 if (TAILQ_NEXT(s->last_displayed_entry, entry) == NULL) {
8860 /* can't scroll any further */
8864 ref_scroll_down(view, 1);
8874 if (TAILQ_NEXT(s->last_displayed_entry, entry) == NULL) {
8875 /* can't scroll any further; move cursor down */
8876 if (s->selected < s->ndisplayed - 1)
8877 s->selected += MIN(nscroll,
8878 s->ndisplayed - s->selected - 1);
8879 if (view->count > 1 && s->selected < s->ndisplayed - 1)
8880 s->selected += s->ndisplayed - s->selected - 1;
8884 ref_scroll_down(view, nscroll);
8889 err = tog_load_refs(s->repo, s->sort_by_date);
8892 ref_view_free_refs(s);
8893 err = ref_view_load_refs(s);
8896 if (view->nlines >= 2 && s->selected >= view->nlines - 1)
8897 s->selected = view->nlines - 2;
8911 fprintf(stderr, "usage: %s ref [-r repository-path]\n",
8916 static const struct got_error *
8917 cmd_ref(int argc, char *argv[])
8919 const struct got_error *error;
8920 struct got_repository *repo = NULL;
8921 struct got_worktree *worktree = NULL;
8922 char *cwd = NULL, *repo_path = NULL;
8924 struct tog_view *view;
8925 int *pack_fds = NULL;
8927 while ((ch = getopt(argc, argv, "r:")) != -1) {
8930 repo_path = realpath(optarg, NULL);
8931 if (repo_path == NULL)
8932 return got_error_from_errno2("realpath",
8947 error = got_repo_pack_fds_open(&pack_fds);
8951 if (repo_path == NULL) {
8952 cwd = getcwd(NULL, 0);
8954 return got_error_from_errno("getcwd");
8955 error = got_worktree_open(&worktree, cwd);
8956 if (error && error->code != GOT_ERR_NOT_WORKTREE)
8960 strdup(got_worktree_get_repo_path(worktree));
8962 repo_path = strdup(cwd);
8963 if (repo_path == NULL) {
8964 error = got_error_from_errno("strdup");
8969 error = got_repo_open(&repo, repo_path, NULL, pack_fds);
8975 error = apply_unveil(got_repo_get_path(repo), NULL);
8979 error = tog_load_refs(repo, 0);
8983 view = view_open(0, 0, 0, 0, TOG_VIEW_REF);
8985 error = got_error_from_errno("view_open");
8989 error = open_ref_view(view, repo);
8994 /* Release work tree lock. */
8995 got_worktree_close(worktree);
8998 error = view_loop(view);
9003 const struct got_error *close_err = got_repo_close(repo);
9008 const struct got_error *pack_err =
9009 got_repo_pack_fds_close(pack_fds);
9017 static const struct got_error*
9018 win_draw_center(WINDOW *win, size_t y, size_t x, size_t maxx, int focus,
9027 x = x ? x : maxx > len ? (maxx - len) / 2 : 0;
9031 if (mvwprintw(win, y, x, "%s", str) == ERR)
9032 return got_error_msg(GOT_ERR_RANGE, "mvwprintw");
9039 static const struct got_error *
9040 add_line_offset(off_t **line_offsets, size_t *nlines, off_t off)
9044 p = reallocarray(*line_offsets, *nlines + 1, sizeof(off_t));
9046 free(*line_offsets);
9047 *line_offsets = NULL;
9048 return got_error_from_errno("reallocarray");
9052 (*line_offsets)[*nlines] = off;
9057 static const struct got_error *
9058 max_key_str(int *ret, const struct tog_key_map *km, size_t n)
9062 for (;n > 0; --n, ++km) {
9066 if (km->keys == NULL)
9069 t = t0 = strdup(km->keys);
9071 return got_error_from_errno("strdup");
9074 while ((k = strsep(&t, " ")) != NULL)
9075 len += strlen(k) > 1 ? 2 : 0;
9077 *ret = MAX(*ret, len);
9084 * Write keymap section headers, keys, and key info in km to f.
9085 * Save line offset to *off. If terminal has UTF8 encoding enabled,
9086 * wrap control and symbolic keys in guillemets, else use <>.
9088 static const struct got_error *
9089 format_help_line(off_t *off, FILE *f, const struct tog_key_map *km, int width)
9094 static const char *u8_glyph[] = {
9095 "\xe2\x80\xb9", /* U+2039 (utf8 <) */
9096 "\xe2\x80\xba" /* U+203A (utf8 >) */
9099 int cs, s, first = 1;
9101 cs = got_locale_is_utf8();
9103 t = t0 = strdup(km->keys);
9105 return got_error_from_errno("strdup");
9107 len = strlen(km->keys);
9108 while ((k = strsep(&t, " ")) != NULL) {
9109 s = strlen(k) > 1; /* control or symbolic key */
9110 n = fprintf(f, "%s%s%s%s%s", first ? " " : "",
9111 cs && s ? u8_glyph[0] : s ? "<" : "", k,
9112 cs && s ? u8_glyph[1] : s ? ">" : "", t ? " " : "");
9115 return got_error_from_errno("fprintf");
9123 n = fprintf(f, "%*s%s\n", width - len, width - len ? " " : "", km->info);
9125 return got_error_from_errno("fprintf");
9131 static const struct got_error *
9132 format_help(struct tog_help_view_state *s)
9134 const struct got_error *err = NULL;
9136 int i, max, n, show = s->all;
9137 static const struct tog_key_map km[] = {
9138 #define KEYMAP_(info, type) { NULL, (info), type }
9139 #define KEY_(keys, info) { (keys), (info), TOG_KEYMAP_KEYS }
9145 err = add_line_offset(&s->line_offsets, &s->nlines, 0);
9150 err = max_key_str(&max, km, n);
9154 for (i = 0; i < n; ++i) {
9155 if (km[i].keys == NULL) {
9157 if (km[i].type == TOG_KEYMAP_GLOBAL ||
9158 km[i].type == s->type || s->all)
9162 err = format_help_line(&off, s->f, &km[i], max);
9165 err = add_line_offset(&s->line_offsets, &s->nlines, off);
9172 err = add_line_offset(&s->line_offsets, &s->nlines, off);
9176 static const struct got_error *
9177 create_help(struct tog_help_view_state *s)
9180 const struct got_error *err;
9182 free(s->line_offsets);
9183 s->line_offsets = NULL;
9188 return got_error_from_errno("got_opentemp");
9191 err = format_help(s);
9195 if (s->f && fflush(s->f) != 0)
9196 return got_error_from_errno("fflush");
9201 static const struct got_error *
9202 search_start_help_view(struct tog_view *view)
9204 view->state.help.matched_line = 0;
9209 search_setup_help_view(struct tog_view *view, FILE **f, off_t **line_offsets,
9210 size_t *nlines, int **first, int **last, int **match, int **selected)
9212 struct tog_help_view_state *s = &view->state.help;
9215 *nlines = s->nlines;
9216 *line_offsets = s->line_offsets;
9217 *match = &s->matched_line;
9218 *first = &s->first_displayed_line;
9219 *last = &s->last_displayed_line;
9220 *selected = &s->selected_line;
9223 static const struct got_error *
9224 show_help_view(struct tog_view *view)
9226 struct tog_help_view_state *s = &view->state.help;
9227 const struct got_error *err;
9228 regmatch_t *regmatch = &view->regmatch;
9233 int width, nprinted = 0, rc = 0;
9234 int eos = view->nlines;
9236 if (view_is_hsplit_top(view))
9237 --eos; /* account for border */
9241 werase(view->window);
9243 if (view->gline > s->nlines - 1)
9244 view->gline = s->nlines - 1;
9246 err = win_draw_center(view->window, 0, 0, view->ncols,
9247 view_needs_focus_indication(view),
9248 "tog help (press q to return to tog)");
9253 waddstr(view->window, "\n\n");
9259 while (eos > 0 && nprinted < eos) {
9262 linelen = getline(&line, &linesz, s->f);
9263 if (linelen == -1) {
9266 return got_ferror(s->f, GOT_ERR_IO);
9271 if (++s->lineno < s->first_displayed_line)
9273 if (view->gline && !gotoline(view, &s->lineno, &nprinted))
9275 if (s->lineno == view->hiline)
9278 err = format_line(&wline, &width, NULL, line, 0, INT_MAX, 0,
9284 view->maxx = MAX(view->maxx, width);
9289 wattron(view->window, attr);
9290 if (s->first_displayed_line + nprinted == s->matched_line &&
9291 regmatch->rm_so >= 0 && regmatch->rm_so < regmatch->rm_eo) {
9292 err = add_matched_line(&width, line, view->ncols - 1, 0,
9293 view->window, view->x, regmatch);
9301 err = format_line(&wline, &width, &skip, line,
9302 view->x, view->ncols, 0, view->x ? 1 : 0);
9307 waddwstr(view->window, &wline[skip]);
9311 if (s->lineno == view->hiline) {
9312 while (width++ < view->ncols)
9313 waddch(view->window, ' ');
9315 if (width < view->ncols)
9316 waddch(view->window, '\n');
9319 wattroff(view->window, attr);
9320 if (++nprinted == 1)
9321 s->first_displayed_line = s->lineno;
9325 s->last_displayed_line = s->first_displayed_line + nprinted - 1;
9327 s->last_displayed_line = s->first_displayed_line;
9332 rc = waddnstr(view->window,
9333 "See the tog(1) manual page for full documentation",
9336 return got_error_msg(GOT_ERR_RANGE, "waddnstr");
9338 wmove(view->window, view->nlines - 1, 0);
9339 wclrtoeol(view->window);
9340 wstandout(view->window);
9341 rc = waddnstr(view->window, "scroll down for more...",
9344 return got_error_msg(GOT_ERR_RANGE, "waddnstr");
9345 if (getcurx(view->window) < view->ncols - 6) {
9346 rc = wprintw(view->window, "[%.0f%%]",
9347 100.00 * s->last_displayed_line / s->nlines);
9349 return got_error_msg(GOT_ERR_IO, "wprintw");
9351 wstandend(view->window);
9357 static const struct got_error *
9358 input_help_view(struct tog_view **new_view, struct tog_view *view, int ch)
9360 struct tog_help_view_state *s = &view->state.help;
9361 const struct got_error *err = NULL;
9367 eos = nscroll = view->nlines;
9368 if (view_is_hsplit_top(view))
9371 s->lineno = s->first_displayed_line - 1 + s->selected_line;
9380 horizontal_scroll_input(view, ch);
9384 s->first_displayed_line = 1;
9392 s->first_displayed_line = (s->nlines - eos) + 3;
9397 if (s->first_displayed_line > 1)
9398 --s->first_displayed_line;
9409 if (s->first_displayed_line == 1) {
9413 while (--nscroll > 0 && s->first_displayed_line > 1)
9414 s->first_displayed_line--;
9420 ++s->first_displayed_line;
9436 while (!s->eof && --nscroll > 0) {
9437 linelen = getline(&line, &linesz, s->f);
9438 s->first_displayed_line++;
9439 if (linelen == -1) {
9443 err = got_ferror(s->f, GOT_ERR_IO);
9457 static const struct got_error *
9458 close_help_view(struct tog_view *view)
9460 struct tog_help_view_state *s = &view->state.help;
9462 free(s->line_offsets);
9463 s->line_offsets = NULL;
9464 if (fclose(s->f) == EOF)
9465 return got_error_from_errno("fclose");
9470 static const struct got_error *
9471 reset_help_view(struct tog_view *view)
9473 struct tog_help_view_state *s = &view->state.help;
9476 if (s->f && fclose(s->f) == EOF)
9477 return got_error_from_errno("fclose");
9479 wclear(view->window);
9483 s->first_displayed_line = 1;
9484 s->last_displayed_line = view->nlines;
9485 s->matched_line = 0;
9487 return create_help(s);
9490 static const struct got_error *
9491 open_help_view(struct tog_view *view, struct tog_view *parent)
9493 const struct got_error *err = NULL;
9494 struct tog_help_view_state *s = &view->state.help;
9496 s->type = (enum tog_keymap_type)parent->type;
9497 s->first_displayed_line = 1;
9498 s->last_displayed_line = view->nlines;
9499 s->selected_line = 1;
9501 view->show = show_help_view;
9502 view->input = input_help_view;
9503 view->reset = reset_help_view;
9504 view->close = close_help_view;
9505 view->search_start = search_start_help_view;
9506 view->search_setup = search_setup_help_view;
9507 view->search_next = search_next_view_match;
9509 err = create_help(s);
9513 static const struct got_error *
9514 view_dispatch_request(struct tog_view **new_view, struct tog_view *view,
9515 enum tog_view_type request, int y, int x)
9517 const struct got_error *err = NULL;
9523 if (view->type == TOG_VIEW_LOG) {
9524 struct tog_log_view_state *s = &view->state.log;
9526 err = open_diff_view_for_commit(new_view, y, x,
9527 s->selected_entry->commit, s->selected_entry->id,
9530 return got_error_msg(GOT_ERR_NOT_IMPL,
9531 "parent/child view pair not supported");
9533 case TOG_VIEW_BLAME:
9534 if (view->type == TOG_VIEW_TREE) {
9535 struct tog_tree_view_state *s = &view->state.tree;
9537 err = blame_tree_entry(new_view, y, x,
9538 s->selected_entry, &s->parents, s->commit_id,
9541 return got_error_msg(GOT_ERR_NOT_IMPL,
9542 "parent/child view pair not supported");
9545 if (view->type == TOG_VIEW_BLAME)
9546 err = log_annotated_line(new_view, y, x,
9547 view->state.blame.repo, view->state.blame.id_to_log);
9548 else if (view->type == TOG_VIEW_TREE)
9549 err = log_selected_tree_entry(new_view, y, x,
9551 else if (view->type == TOG_VIEW_REF)
9552 err = log_ref_entry(new_view, y, x,
9553 view->state.ref.selected_entry,
9554 view->state.ref.repo);
9556 return got_error_msg(GOT_ERR_NOT_IMPL,
9557 "parent/child view pair not supported");
9560 if (view->type == TOG_VIEW_LOG)
9561 err = browse_commit_tree(new_view, y, x,
9562 view->state.log.selected_entry,
9563 view->state.log.in_repo_path,
9564 view->state.log.head_ref_name,
9565 view->state.log.repo);
9566 else if (view->type == TOG_VIEW_REF)
9567 err = browse_ref_tree(new_view, y, x,
9568 view->state.ref.selected_entry,
9569 view->state.ref.repo);
9571 return got_error_msg(GOT_ERR_NOT_IMPL,
9572 "parent/child view pair not supported");
9575 *new_view = view_open(0, 0, y, x, TOG_VIEW_REF);
9576 if (*new_view == NULL)
9577 return got_error_from_errno("view_open");
9578 if (view->type == TOG_VIEW_LOG)
9579 err = open_ref_view(*new_view, view->state.log.repo);
9580 else if (view->type == TOG_VIEW_TREE)
9581 err = open_ref_view(*new_view, view->state.tree.repo);
9583 err = got_error_msg(GOT_ERR_NOT_IMPL,
9584 "parent/child view pair not supported");
9586 view_close(*new_view);
9589 *new_view = view_open(0, 0, 0, 0, TOG_VIEW_HELP);
9590 if (*new_view == NULL)
9591 return got_error_from_errno("view_open");
9592 err = open_help_view(*new_view, view);
9594 view_close(*new_view);
9597 return got_error_msg(GOT_ERR_NOT_IMPL, "invalid view");
9604 * If view was scrolled down to move the selected line into view when opening a
9605 * horizontal split, scroll back up when closing the split/toggling fullscreen.
9608 offset_selection_up(struct tog_view *view)
9610 switch (view->type) {
9611 case TOG_VIEW_BLAME: {
9612 struct tog_blame_view_state *s = &view->state.blame;
9613 if (s->first_displayed_line == 1) {
9614 s->selected_line = MAX(s->selected_line - view->offset,
9618 if (s->first_displayed_line > view->offset)
9619 s->first_displayed_line -= view->offset;
9621 s->first_displayed_line = 1;
9622 s->selected_line += view->offset;
9626 log_scroll_up(&view->state.log, view->offset);
9627 view->state.log.selected += view->offset;
9630 ref_scroll_up(&view->state.ref, view->offset);
9631 view->state.ref.selected += view->offset;
9634 tree_scroll_up(&view->state.tree, view->offset);
9635 view->state.tree.selected += view->offset;
9645 * If the selected line is in the section of screen covered by the bottom split,
9646 * scroll down offset lines to move it into view and index its new position.
9648 static const struct got_error *
9649 offset_selection_down(struct tog_view *view)
9651 const struct got_error *err = NULL;
9652 const struct got_error *(*scrolld)(struct tog_view *, int);
9653 int *selected = NULL;
9656 switch (view->type) {
9657 case TOG_VIEW_BLAME: {
9658 struct tog_blame_view_state *s = &view->state.blame;
9661 if (s->selected_line > view->nlines - header) {
9662 offset = abs(view->nlines - s->selected_line - header);
9663 s->first_displayed_line += offset;
9664 s->selected_line -= offset;
9665 view->offset = offset;
9669 case TOG_VIEW_LOG: {
9670 struct tog_log_view_state *s = &view->state.log;
9671 scrolld = &log_scroll_down;
9672 header = view_is_parent_view(view) ? 3 : 2;
9673 selected = &s->selected;
9676 case TOG_VIEW_REF: {
9677 struct tog_ref_view_state *s = &view->state.ref;
9678 scrolld = &ref_scroll_down;
9680 selected = &s->selected;
9683 case TOG_VIEW_TREE: {
9684 struct tog_tree_view_state *s = &view->state.tree;
9685 scrolld = &tree_scroll_down;
9687 selected = &s->selected;
9697 if (selected && *selected > view->nlines - header) {
9698 offset = abs(view->nlines - *selected - header);
9699 view->offset = offset;
9700 if (scrolld && offset) {
9701 err = scrolld(view, offset);
9702 *selected -= offset;
9710 list_commands(FILE *fp)
9714 fprintf(fp, "commands:");
9715 for (i = 0; i < nitems(tog_commands); i++) {
9716 const struct tog_cmd *cmd = &tog_commands[i];
9717 fprintf(fp, " %s", cmd->name);
9723 usage(int hflag, int status)
9725 FILE *fp = (status == 0) ? stdout : stderr;
9727 fprintf(fp, "usage: %s [-hV] command [arg ...]\n",
9730 fprintf(fp, "lazy usage: %s path\n", getprogname());
9737 make_argv(int argc, ...)
9745 argv = calloc(argc, sizeof(char *));
9748 for (i = 0; i < argc; i++) {
9749 argv[i] = strdup(va_arg(ap, char *));
9750 if (argv[i] == NULL)
9759 * Try to convert 'tog path' into a 'tog log path' command.
9760 * The user could simply have mistyped the command rather than knowingly
9761 * provided a path. So check whether argv[0] can in fact be resolved
9762 * to a path in the HEAD commit and print a special error if not.
9763 * This hack is for mpi@ <3
9765 static const struct got_error *
9766 tog_log_with_path(int argc, char *argv[])
9768 const struct got_error *error = NULL, *close_err;
9769 const struct tog_cmd *cmd = NULL;
9770 struct got_repository *repo = NULL;
9771 struct got_worktree *worktree = NULL;
9772 struct got_object_id *commit_id = NULL, *id = NULL;
9773 struct got_commit_object *commit = NULL;
9774 char *cwd = NULL, *repo_path = NULL, *in_repo_path = NULL;
9775 char *commit_id_str = NULL, **cmd_argv = NULL;
9776 int *pack_fds = NULL;
9778 cwd = getcwd(NULL, 0);
9780 return got_error_from_errno("getcwd");
9782 error = got_repo_pack_fds_open(&pack_fds);
9786 error = got_worktree_open(&worktree, cwd);
9787 if (error && error->code != GOT_ERR_NOT_WORKTREE)
9791 repo_path = strdup(got_worktree_get_repo_path(worktree));
9793 repo_path = strdup(cwd);
9794 if (repo_path == NULL) {
9795 error = got_error_from_errno("strdup");
9799 error = got_repo_open(&repo, repo_path, NULL, pack_fds);
9803 error = get_in_repo_path_from_argv0(&in_repo_path, argc, argv,
9808 error = tog_load_refs(repo, 0);
9811 error = got_repo_match_object_id(&commit_id, NULL, worktree ?
9812 got_worktree_get_head_ref_name(worktree) : GOT_REF_HEAD,
9813 GOT_OBJ_TYPE_COMMIT, &tog_refs, repo);
9818 got_worktree_close(worktree);
9822 error = got_object_open_as_commit(&commit, repo, commit_id);
9826 error = got_object_id_by_path(&id, repo, commit, in_repo_path);
9828 if (error->code != GOT_ERR_NO_TREE_ENTRY)
9830 fprintf(stderr, "%s: '%s' is no known command or path\n",
9831 getprogname(), argv[0]);
9836 error = got_object_id_str(&commit_id_str, commit_id);
9840 cmd = &tog_commands[0]; /* log */
9842 cmd_argv = make_argv(argc, cmd->name, "-c", commit_id_str, argv[0]);
9843 error = cmd->cmd_main(argc, cmd_argv);
9846 close_err = got_repo_close(repo);
9851 got_object_commit_close(commit);
9853 got_worktree_close(worktree);
9855 const struct got_error *pack_err =
9856 got_repo_pack_fds_close(pack_fds);
9861 free(commit_id_str);
9868 for (i = 0; i < argc; i++)
9877 main(int argc, char *argv[])
9879 const struct got_error *io_err, *error = NULL;
9880 const struct tog_cmd *cmd = NULL;
9881 int ch, hflag = 0, Vflag = 0;
9882 char **cmd_argv = NULL;
9883 static const struct option longopts[] = {
9884 { "version", no_argument, NULL, 'V' },
9887 char *diff_algo_str = NULL;
9888 const char *test_script_path;
9890 setlocale(LC_CTYPE, "");
9893 * Test mode init must happen before pledge() because "tty" will
9894 * not allow TTY-related ioctls to occur via regular files.
9896 test_script_path = getenv("TOG_TEST_SCRIPT");
9897 if (test_script_path != NULL) {
9898 error = init_mock_term(test_script_path);
9900 fprintf(stderr, "%s: %s\n", getprogname(), error->msg);
9903 } else if (!isatty(STDIN_FILENO))
9904 errx(1, "standard input is not a tty");
9906 #if !defined(PROFILE)
9907 if (pledge("stdio rpath wpath cpath flock proc tty exec sendfd unveil",
9912 while ((ch = getopt_long(argc, argv, "+hV", longopts, NULL)) != -1) {
9932 got_version_print_str();
9939 /* Build an argument vector which runs a default command. */
9940 cmd = &tog_commands[0];
9942 cmd_argv = make_argv(argc, cmd->name);
9946 /* Did the user specify a command? */
9947 for (i = 0; i < nitems(tog_commands); i++) {
9948 if (strncmp(tog_commands[i].name, argv[0],
9949 strlen(argv[0])) == 0) {
9950 cmd = &tog_commands[i];
9956 diff_algo_str = getenv("TOG_DIFF_ALGORITHM");
9957 if (diff_algo_str) {
9958 if (strcasecmp(diff_algo_str, "patience") == 0)
9959 tog_diff_algo = GOT_DIFF_ALGORITHM_PATIENCE;
9960 if (strcasecmp(diff_algo_str, "myers") == 0)
9961 tog_diff_algo = GOT_DIFF_ALGORITHM_MYERS;
9967 /* No command specified; try log with a path */
9968 error = tog_log_with_path(argc, argv);
9973 error = cmd->cmd_main(argc, cmd_argv ? cmd_argv : argv);
9976 if (using_mock_io) {
9977 io_err = tog_io_close();
9984 for (i = 0; i < argc; i++)
9989 if (error && error->code != GOT_ERR_CANCELLED &&
9990 error->code != GOT_ERR_EOF &&
9991 error->code != GOT_ERR_PRIVSEP_EXIT &&
9992 error->code != GOT_ERR_PRIVSEP_PIPE &&
9993 !(error->code == GOT_ERR_ERRNO && errno == EINTR))
9994 fprintf(stderr, "%s: %s\n", getprogname(), error->msg);