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 <sys/queue.h>
19 #include <sys/ioctl.h>
23 #define _XOPEN_SOURCE_EXTENDED /* for ncurses wide-character functions */
45 #include "got_version.h"
46 #include "got_error.h"
47 #include "got_object.h"
48 #include "got_reference.h"
49 #include "got_repository.h"
51 #include "got_opentemp.h"
53 #include "got_cancel.h"
54 #include "got_commit_graph.h"
55 #include "got_blame.h"
56 #include "got_privsep.h"
58 #include "got_worktree.h"
61 #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
65 #define MAX(_a,_b) ((_a) > (_b) ? (_a) : (_b))
68 #define CTRL(x) ((x) & 0x1f)
71 #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
76 const struct got_error *(*cmd_main)(int, char *[]);
77 void (*cmd_usage)(void);
80 __dead static void usage(int, int);
81 __dead static void usage_log(void);
82 __dead static void usage_diff(void);
83 __dead static void usage_blame(void);
84 __dead static void usage_tree(void);
85 __dead static void usage_ref(void);
87 static const struct got_error* cmd_log(int, char *[]);
88 static const struct got_error* cmd_diff(int, char *[]);
89 static const struct got_error* cmd_blame(int, char *[]);
90 static const struct got_error* cmd_tree(int, char *[]);
91 static const struct got_error* cmd_ref(int, char *[]);
93 static const struct tog_cmd tog_commands[] = {
94 { "log", cmd_log, usage_log },
95 { "diff", cmd_diff, usage_diff },
96 { "blame", cmd_blame, usage_blame },
97 { "tree", cmd_tree, usage_tree },
98 { "ref", cmd_ref, usage_ref },
110 /* Match _DIFF to _HELP with enum tog_view_type TOG_VIEW_* counterparts. */
111 enum tog_keymap_type {
112 TOG_KEYMAP_KEYS = -2,
128 #define HSPLIT_SCALE 0.3f /* default horizontal split scale */
130 #define TOG_EOF_STRING "(END)"
132 struct commit_queue_entry {
133 TAILQ_ENTRY(commit_queue_entry) entry;
134 struct got_object_id *id;
135 struct got_commit_object *commit;
138 TAILQ_HEAD(commit_queue_head, commit_queue_entry);
139 struct commit_queue {
141 struct commit_queue_head head;
145 STAILQ_ENTRY(tog_color) entry;
149 STAILQ_HEAD(tog_colors, tog_color);
151 static struct got_reflist_head tog_refs = TAILQ_HEAD_INITIALIZER(tog_refs);
152 static struct got_reflist_object_id_map *tog_refs_idmap;
153 static enum got_diff_algorithm tog_diff_algo = GOT_DIFF_ALGORITHM_MYERS;
155 static const struct got_error *
156 tog_ref_cmp_by_name(void *arg, int *cmp, struct got_reference *re1,
157 struct got_reference* re2)
159 const char *name1 = got_ref_get_name(re1);
160 const char *name2 = got_ref_get_name(re2);
161 int isbackup1, isbackup2;
163 /* Sort backup refs towards the bottom of the list. */
164 isbackup1 = strncmp(name1, "refs/got/backup/", 16) == 0;
165 isbackup2 = strncmp(name2, "refs/got/backup/", 16) == 0;
166 if (!isbackup1 && isbackup2) {
169 } else if (isbackup1 && !isbackup2) {
174 *cmp = got_path_cmp(name1, name2, strlen(name1), strlen(name2));
178 static const struct got_error *
179 tog_load_refs(struct got_repository *repo, int sort_by_date)
181 const struct got_error *err;
183 err = got_ref_list(&tog_refs, repo, NULL, sort_by_date ?
184 got_ref_cmp_by_commit_timestamp_descending : tog_ref_cmp_by_name,
189 return got_reflist_object_id_map_create(&tog_refs_idmap, &tog_refs,
196 if (tog_refs_idmap) {
197 got_reflist_object_id_map_free(tog_refs_idmap);
198 tog_refs_idmap = NULL;
200 got_ref_list_free(&tog_refs);
203 static const struct got_error *
204 add_color(struct tog_colors *colors, const char *pattern,
205 int idx, short color)
207 const struct got_error *err = NULL;
208 struct tog_color *tc;
211 if (idx < 1 || idx > COLOR_PAIRS - 1)
214 init_pair(idx, color, -1);
216 tc = calloc(1, sizeof(*tc));
218 return got_error_from_errno("calloc");
219 regerr = regcomp(&tc->regex, pattern,
220 REG_EXTENDED | REG_NOSUB | REG_NEWLINE);
222 static char regerr_msg[512];
223 static char err_msg[512];
224 regerror(regerr, &tc->regex, regerr_msg,
226 snprintf(err_msg, sizeof(err_msg), "regcomp: %s",
228 err = got_error_msg(GOT_ERR_REGEX, err_msg);
233 STAILQ_INSERT_HEAD(colors, tc, entry);
238 free_colors(struct tog_colors *colors)
240 struct tog_color *tc;
242 while (!STAILQ_EMPTY(colors)) {
243 tc = STAILQ_FIRST(colors);
244 STAILQ_REMOVE_HEAD(colors, entry);
250 static struct tog_color *
251 get_color(struct tog_colors *colors, int colorpair)
253 struct tog_color *tc = NULL;
255 STAILQ_FOREACH(tc, colors, entry) {
256 if (tc->colorpair == colorpair)
264 default_color_value(const char *envvar)
266 if (strcmp(envvar, "TOG_COLOR_DIFF_MINUS") == 0)
267 return COLOR_MAGENTA;
268 if (strcmp(envvar, "TOG_COLOR_DIFF_PLUS") == 0)
270 if (strcmp(envvar, "TOG_COLOR_DIFF_CHUNK_HEADER") == 0)
272 if (strcmp(envvar, "TOG_COLOR_DIFF_META") == 0)
274 if (strcmp(envvar, "TOG_COLOR_TREE_SUBMODULE") == 0)
275 return COLOR_MAGENTA;
276 if (strcmp(envvar, "TOG_COLOR_TREE_SYMLINK") == 0)
277 return COLOR_MAGENTA;
278 if (strcmp(envvar, "TOG_COLOR_TREE_DIRECTORY") == 0)
280 if (strcmp(envvar, "TOG_COLOR_TREE_EXECUTABLE") == 0)
282 if (strcmp(envvar, "TOG_COLOR_COMMIT") == 0)
284 if (strcmp(envvar, "TOG_COLOR_AUTHOR") == 0)
286 if (strcmp(envvar, "TOG_COLOR_DATE") == 0)
288 if (strcmp(envvar, "TOG_COLOR_REFS_HEADS") == 0)
290 if (strcmp(envvar, "TOG_COLOR_REFS_TAGS") == 0)
291 return COLOR_MAGENTA;
292 if (strcmp(envvar, "TOG_COLOR_REFS_REMOTES") == 0)
294 if (strcmp(envvar, "TOG_COLOR_REFS_BACKUP") == 0)
301 get_color_value(const char *envvar)
303 const char *val = getenv(envvar);
306 return default_color_value(envvar);
308 if (strcasecmp(val, "black") == 0)
310 if (strcasecmp(val, "red") == 0)
312 if (strcasecmp(val, "green") == 0)
314 if (strcasecmp(val, "yellow") == 0)
316 if (strcasecmp(val, "blue") == 0)
318 if (strcasecmp(val, "magenta") == 0)
319 return COLOR_MAGENTA;
320 if (strcasecmp(val, "cyan") == 0)
322 if (strcasecmp(val, "white") == 0)
324 if (strcasecmp(val, "default") == 0)
327 return default_color_value(envvar);
330 struct tog_diff_view_state {
331 struct got_object_id *id1, *id2;
332 const char *label1, *label2;
336 int first_displayed_line;
337 int last_displayed_line;
340 int ignore_whitespace;
342 struct got_repository *repo;
343 struct got_diff_line *lines;
348 /* passed from log or blame view; may be NULL */
349 struct tog_view *parent_view;
352 pthread_mutex_t tog_mutex = PTHREAD_MUTEX_INITIALIZER;
353 static volatile sig_atomic_t tog_thread_error;
355 struct tog_log_thread_args {
356 pthread_cond_t need_commits;
357 pthread_cond_t commit_loaded;
360 struct got_commit_graph *graph;
361 struct commit_queue *real_commits;
362 const char *in_repo_path;
363 struct got_object_id *start_id;
364 struct got_repository *repo;
368 struct commit_queue_entry **first_displayed_entry;
369 struct commit_queue_entry **selected_entry;
371 int *search_next_done;
375 regex_t *limit_regex;
376 struct commit_queue *limit_commits;
379 struct tog_log_view_state {
380 struct commit_queue *commits;
381 struct commit_queue_entry *first_displayed_entry;
382 struct commit_queue_entry *last_displayed_entry;
383 struct commit_queue_entry *selected_entry;
384 struct commit_queue real_commits;
389 struct got_repository *repo;
390 struct got_object_id *start_id;
393 struct tog_log_thread_args thread_args;
394 struct commit_queue_entry *matched_entry;
395 struct commit_queue_entry *search_entry;
396 struct tog_colors colors;
400 struct commit_queue limit_commits;
403 #define TOG_COLOR_DIFF_MINUS 1
404 #define TOG_COLOR_DIFF_PLUS 2
405 #define TOG_COLOR_DIFF_CHUNK_HEADER 3
406 #define TOG_COLOR_DIFF_META 4
407 #define TOG_COLOR_TREE_SUBMODULE 5
408 #define TOG_COLOR_TREE_SYMLINK 6
409 #define TOG_COLOR_TREE_DIRECTORY 7
410 #define TOG_COLOR_TREE_EXECUTABLE 8
411 #define TOG_COLOR_COMMIT 9
412 #define TOG_COLOR_AUTHOR 10
413 #define TOG_COLOR_DATE 11
414 #define TOG_COLOR_REFS_HEADS 12
415 #define TOG_COLOR_REFS_TAGS 13
416 #define TOG_COLOR_REFS_REMOTES 14
417 #define TOG_COLOR_REFS_BACKUP 15
419 struct tog_blame_cb_args {
420 struct tog_blame_line *lines; /* one per line */
423 struct tog_view *view;
424 struct got_object_id *commit_id;
428 struct tog_blame_thread_args {
430 struct got_repository *repo;
431 struct tog_blame_cb_args *cb_args;
433 got_cancel_cb cancel_cb;
435 pthread_cond_t blame_complete;
441 struct tog_blame_line *lines;
445 struct tog_blame_thread_args thread_args;
446 struct tog_blame_cb_args cb_args;
451 struct tog_blame_view_state {
452 int first_displayed_line;
453 int last_displayed_line;
455 int last_diffed_line;
459 struct got_object_id_queue blamed_commits;
460 struct got_object_qid *blamed_commit;
462 struct got_repository *repo;
463 struct got_object_id *commit_id;
464 struct got_object_id *id_to_log;
465 struct tog_blame blame;
467 struct tog_colors colors;
470 struct tog_parent_tree {
471 TAILQ_ENTRY(tog_parent_tree) entry;
472 struct got_tree_object *tree;
473 struct got_tree_entry *first_displayed_entry;
474 struct got_tree_entry *selected_entry;
478 TAILQ_HEAD(tog_parent_trees, tog_parent_tree);
480 struct tog_tree_view_state {
482 struct got_object_id *commit_id;/* commit which this tree belongs to */
483 struct got_tree_object *root; /* the commit's root tree entry */
484 struct got_tree_object *tree; /* currently displayed (sub-)tree */
485 struct got_tree_entry *first_displayed_entry;
486 struct got_tree_entry *last_displayed_entry;
487 struct got_tree_entry *selected_entry;
488 int ndisplayed, selected, show_ids;
489 struct tog_parent_trees parents; /* parent trees of current sub-tree */
491 struct got_repository *repo;
492 struct got_tree_entry *matched_entry;
493 struct tog_colors colors;
496 struct tog_reflist_entry {
497 TAILQ_ENTRY(tog_reflist_entry) entry;
498 struct got_reference *ref;
502 TAILQ_HEAD(tog_reflist_head, tog_reflist_entry);
504 struct tog_ref_view_state {
505 struct tog_reflist_head refs;
506 struct tog_reflist_entry *first_displayed_entry;
507 struct tog_reflist_entry *last_displayed_entry;
508 struct tog_reflist_entry *selected_entry;
509 int nrefs, ndisplayed, selected, show_date, show_ids, sort_by_date;
510 struct got_repository *repo;
511 struct tog_reflist_entry *matched_entry;
512 struct tog_colors colors;
515 struct tog_help_view_state {
520 int first_displayed_line;
521 int last_displayed_line;
526 enum tog_keymap_type type;
529 #define GENERATE_HELP \
530 KEYMAP_("Global", TOG_KEYMAP_GLOBAL), \
531 KEY_("H F1", "Open view-specific help (double tap for all help)"), \
532 KEY_("k C-p Up", "Move cursor or page up one line"), \
533 KEY_("j C-n Down", "Move cursor or page down one line"), \
534 KEY_("C-b b PgUp", "Scroll the view up one page"), \
535 KEY_("C-f f PgDn Space", "Scroll the view down one page"), \
536 KEY_("C-u u", "Scroll the view up one half page"), \
537 KEY_("C-d d", "Scroll the view down one half page"), \
538 KEY_("g", "Go to line N (default: first line)"), \
539 KEY_("Home =", "Go to the first line"), \
540 KEY_("G", "Go to line N (default: last line)"), \
541 KEY_("End *", "Go to the last line"), \
542 KEY_("l Right", "Scroll the view right"), \
543 KEY_("h Left", "Scroll the view left"), \
544 KEY_("$", "Scroll view to the rightmost position"), \
545 KEY_("0", "Scroll view to the leftmost position"), \
546 KEY_("-", "Decrease size of the focussed split"), \
547 KEY_("+", "Increase size of the focussed split"), \
548 KEY_("Tab", "Switch focus between views"), \
549 KEY_("F", "Toggle fullscreen mode"), \
550 KEY_("S", "Switch split-screen layout"), \
551 KEY_("/", "Open prompt to enter search term"), \
552 KEY_("n", "Find next line/token matching the current search term"), \
553 KEY_("N", "Find previous line/token matching the current search term"),\
554 KEY_("q", "Quit the focussed view; Quit help screen"), \
555 KEY_("Q", "Quit tog"), \
557 KEYMAP_("Log view", TOG_KEYMAP_LOG), \
558 KEY_("< ,", "Move cursor up one commit"), \
559 KEY_("> .", "Move cursor down one commit"), \
560 KEY_("Enter", "Open diff view of the selected commit"), \
561 KEY_("B", "Reload the log view and toggle display of merged commits"), \
562 KEY_("R", "Open ref view of all repository references"), \
563 KEY_("T", "Display tree view of the repository from the selected" \
565 KEY_("@", "Toggle between displaying author and committer name"), \
566 KEY_("&", "Open prompt to enter term to limit commits displayed"), \
567 KEY_("C-g Backspace", "Cancel current search or log operation"), \
568 KEY_("C-l", "Reload the log view with new commits in the repository"), \
570 KEYMAP_("Diff view", TOG_KEYMAP_DIFF), \
571 KEY_("K < ,", "Display diff of next line in the file/log entry"), \
572 KEY_("J > .", "Display diff of previous line in the file/log entry"), \
573 KEY_("A", "Toggle between Myers and Patience diff algorithm"), \
574 KEY_("a", "Toggle treatment of file as ASCII irrespective of binary" \
576 KEY_("(", "Go to the previous file in the diff"), \
577 KEY_(")", "Go to the next file in the diff"), \
578 KEY_("{", "Go to the previous hunk in the diff"), \
579 KEY_("}", "Go to the next hunk in the diff"), \
580 KEY_("[", "Decrease the number of context lines"), \
581 KEY_("]", "Increase the number of context lines"), \
582 KEY_("w", "Toggle ignore whitespace-only changes in the diff"), \
584 KEYMAP_("Blame view", TOG_KEYMAP_BLAME), \
585 KEY_("Enter", "Display diff view of the selected line's commit"), \
586 KEY_("A", "Toggle diff algorithm between Myers and Patience"), \
587 KEY_("L", "Open log view for the currently selected annotated line"), \
588 KEY_("C", "Reload view with the previously blamed commit"), \
589 KEY_("c", "Reload view with the version of the file found in the" \
590 " selected line's commit"), \
591 KEY_("p", "Reload view with the version of the file found in the" \
592 " selected line's parent commit"), \
594 KEYMAP_("Tree view", TOG_KEYMAP_TREE), \
595 KEY_("Enter", "Enter selected directory or open blame view of the" \
597 KEY_("L", "Open log view for the selected entry"), \
598 KEY_("R", "Open ref view of all repository references"), \
599 KEY_("i", "Show object IDs for all tree entries"), \
600 KEY_("Backspace", "Return to the parent directory"), \
602 KEYMAP_("Ref view", TOG_KEYMAP_REF), \
603 KEY_("Enter", "Display log view of the selected reference"), \
604 KEY_("T", "Display tree view of the selected reference"), \
605 KEY_("i", "Toggle display of IDs for all non-symbolic references"), \
606 KEY_("m", "Toggle display of last modified date for each reference"), \
607 KEY_("o", "Toggle reference sort order (name -> timestamp)"), \
608 KEY_("C-l", "Reload view with all repository references")
613 enum tog_keymap_type type;
616 /* curses io for tog regress */
624 static int using_mock_io;
626 #define TOG_KEY_SCRDUMP SHRT_MIN
629 * We implement two types of views: parent views and child views.
631 * The 'Tab' key switches focus between a parent view and its child view.
632 * Child views are shown side-by-side to their parent view, provided
633 * there is enough screen estate.
635 * When a new view is opened from within a parent view, this new view
636 * becomes a child view of the parent view, replacing any existing child.
638 * When a new view is opened from within a child view, this new view
639 * becomes a parent view which will obscure the views below until the
640 * user quits the new parent view by typing 'q'.
642 * This list of views contains parent views only.
643 * Child views are only pointed to by their parent view.
645 TAILQ_HEAD(tog_view_list_head, tog_view);
648 TAILQ_ENTRY(tog_view) entry;
651 int nlines, ncols, begin_y, begin_x; /* based on split height/width */
652 int resized_y, resized_x; /* begin_y/x based on user resizing */
653 int maxx, x; /* max column and current start column */
654 int lines, cols; /* copies of LINES and COLS */
655 int nscrolled, offset; /* lines scrolled and hsplit line offset */
656 int gline, hiline; /* navigate to and highlight this nG line */
657 int ch, count; /* current keymap and count prefix */
658 int resized; /* set when in a resize event */
659 int focussed; /* Only set on one parent or child view at a time. */
661 struct tog_view *parent;
662 struct tog_view *child;
665 * This flag is initially set on parent views when a new child view
666 * is created. It gets toggled when the 'Tab' key switches focus
667 * between parent and child.
668 * The flag indicates whether focus should be passed on to our child
669 * view if this parent view gets picked for focus after another parent
670 * view was closed. This prevents child views from losing focus in such
675 enum tog_view_mode mode;
676 /* type-specific state */
677 enum tog_view_type type;
679 struct tog_diff_view_state diff;
680 struct tog_log_view_state log;
681 struct tog_blame_view_state blame;
682 struct tog_tree_view_state tree;
683 struct tog_ref_view_state ref;
684 struct tog_help_view_state help;
687 const struct got_error *(*show)(struct tog_view *);
688 const struct got_error *(*input)(struct tog_view **,
689 struct tog_view *, int);
690 const struct got_error *(*reset)(struct tog_view *);
691 const struct got_error *(*resize)(struct tog_view *, int);
692 const struct got_error *(*close)(struct tog_view *);
694 const struct got_error *(*search_start)(struct tog_view *);
695 const struct got_error *(*search_next)(struct tog_view *);
696 void (*search_setup)(struct tog_view *, FILE **, off_t **, size_t *,
697 int **, int **, int **, int **);
700 #define TOG_SEARCH_FORWARD 1
701 #define TOG_SEARCH_BACKWARD 2
702 int search_next_done;
703 #define TOG_SEARCH_HAVE_MORE 1
704 #define TOG_SEARCH_NO_MORE 2
705 #define TOG_SEARCH_HAVE_NONE 3
711 static const struct got_error *open_diff_view(struct tog_view *,
712 struct got_object_id *, struct got_object_id *,
713 const char *, const char *, int, int, int, struct tog_view *,
714 struct got_repository *);
715 static const struct got_error *show_diff_view(struct tog_view *);
716 static const struct got_error *input_diff_view(struct tog_view **,
717 struct tog_view *, int);
718 static const struct got_error *reset_diff_view(struct tog_view *);
719 static const struct got_error* close_diff_view(struct tog_view *);
720 static const struct got_error *search_start_diff_view(struct tog_view *);
721 static void search_setup_diff_view(struct tog_view *, FILE **, off_t **,
722 size_t *, int **, int **, int **, int **);
723 static const struct got_error *search_next_view_match(struct tog_view *);
725 static const struct got_error *open_log_view(struct tog_view *,
726 struct got_object_id *, struct got_repository *,
727 const char *, const char *, int);
728 static const struct got_error * show_log_view(struct tog_view *);
729 static const struct got_error *input_log_view(struct tog_view **,
730 struct tog_view *, int);
731 static const struct got_error *resize_log_view(struct tog_view *, int);
732 static const struct got_error *close_log_view(struct tog_view *);
733 static const struct got_error *search_start_log_view(struct tog_view *);
734 static const struct got_error *search_next_log_view(struct tog_view *);
736 static const struct got_error *open_blame_view(struct tog_view *, char *,
737 struct got_object_id *, struct got_repository *);
738 static const struct got_error *show_blame_view(struct tog_view *);
739 static const struct got_error *input_blame_view(struct tog_view **,
740 struct tog_view *, int);
741 static const struct got_error *reset_blame_view(struct tog_view *);
742 static const struct got_error *close_blame_view(struct tog_view *);
743 static const struct got_error *search_start_blame_view(struct tog_view *);
744 static void search_setup_blame_view(struct tog_view *, FILE **, off_t **,
745 size_t *, int **, int **, int **, int **);
747 static const struct got_error *open_tree_view(struct tog_view *,
748 struct got_object_id *, const char *, struct got_repository *);
749 static const struct got_error *show_tree_view(struct tog_view *);
750 static const struct got_error *input_tree_view(struct tog_view **,
751 struct tog_view *, int);
752 static const struct got_error *close_tree_view(struct tog_view *);
753 static const struct got_error *search_start_tree_view(struct tog_view *);
754 static const struct got_error *search_next_tree_view(struct tog_view *);
756 static const struct got_error *open_ref_view(struct tog_view *,
757 struct got_repository *);
758 static const struct got_error *show_ref_view(struct tog_view *);
759 static const struct got_error *input_ref_view(struct tog_view **,
760 struct tog_view *, int);
761 static const struct got_error *close_ref_view(struct tog_view *);
762 static const struct got_error *search_start_ref_view(struct tog_view *);
763 static const struct got_error *search_next_ref_view(struct tog_view *);
765 static const struct got_error *open_help_view(struct tog_view *,
767 static const struct got_error *show_help_view(struct tog_view *);
768 static const struct got_error *input_help_view(struct tog_view **,
769 struct tog_view *, int);
770 static const struct got_error *reset_help_view(struct tog_view *);
771 static const struct got_error* close_help_view(struct tog_view *);
772 static const struct got_error *search_start_help_view(struct tog_view *);
773 static void search_setup_help_view(struct tog_view *, FILE **, off_t **,
774 size_t *, int **, int **, int **, int **);
776 static volatile sig_atomic_t tog_sigwinch_received;
777 static volatile sig_atomic_t tog_sigpipe_received;
778 static volatile sig_atomic_t tog_sigcont_received;
779 static volatile sig_atomic_t tog_sigint_received;
780 static volatile sig_atomic_t tog_sigterm_received;
783 tog_sigwinch(int signo)
785 tog_sigwinch_received = 1;
789 tog_sigpipe(int signo)
791 tog_sigpipe_received = 1;
795 tog_sigcont(int signo)
797 tog_sigcont_received = 1;
801 tog_sigint(int signo)
803 tog_sigint_received = 1;
807 tog_sigterm(int signo)
809 tog_sigterm_received = 1;
813 tog_fatal_signal_received(void)
815 return (tog_sigpipe_received ||
816 tog_sigint_received || tog_sigterm_received);
819 static const struct got_error *
820 view_close(struct tog_view *view)
822 const struct got_error *err = NULL, *child_err = NULL;
825 child_err = view_close(view->child);
829 err = view->close(view);
831 del_panel(view->panel);
833 delwin(view->window);
835 return err ? err : child_err;
838 static struct tog_view *
839 view_open(int nlines, int ncols, int begin_y, int begin_x,
840 enum tog_view_type type)
842 struct tog_view *view = calloc(1, sizeof(*view));
850 view->nlines = nlines ? nlines : LINES - begin_y;
851 view->ncols = ncols ? ncols : COLS - begin_x;
852 view->begin_y = begin_y;
853 view->begin_x = begin_x;
854 view->window = newwin(nlines, ncols, begin_y, begin_x);
855 if (view->window == NULL) {
859 view->panel = new_panel(view->window);
860 if (view->panel == NULL ||
861 set_panel_userptr(view->panel, view) != OK) {
866 keypad(view->window, TRUE);
871 view_split_begin_x(int begin_x)
873 if (begin_x > 0 || COLS < 120)
875 return (COLS - MAX(COLS / 2, 80));
878 /* XXX Stub till we decide what to do. */
880 view_split_begin_y(int lines)
882 return lines * HSPLIT_SCALE;
885 static const struct got_error *view_resize(struct tog_view *);
887 static const struct got_error *
888 view_splitscreen(struct tog_view *view)
890 const struct got_error *err = NULL;
892 if (!view->resized && view->mode == TOG_VIEW_SPLIT_HRZN) {
893 if (view->resized_y && view->resized_y < view->lines)
894 view->begin_y = view->resized_y;
896 view->begin_y = view_split_begin_y(view->nlines);
898 } else if (!view->resized) {
899 if (view->resized_x && view->resized_x < view->cols - 1 &&
901 view->begin_x = view->resized_x;
903 view->begin_x = view_split_begin_x(0);
906 view->nlines = LINES - view->begin_y;
907 view->ncols = COLS - view->begin_x;
910 err = view_resize(view);
914 if (view->parent && view->mode == TOG_VIEW_SPLIT_HRZN)
915 view->parent->nlines = view->begin_y;
917 if (mvwin(view->window, view->begin_y, view->begin_x) == ERR)
918 return got_error_from_errno("mvwin");
923 static const struct got_error *
924 view_fullscreen(struct tog_view *view)
926 const struct got_error *err = NULL;
929 view->begin_y = view->resized ? view->begin_y : 0;
930 view->nlines = view->resized ? view->nlines : LINES;
934 err = view_resize(view);
938 if (mvwin(view->window, view->begin_y, view->begin_x) == ERR)
939 return got_error_from_errno("mvwin");
945 view_is_parent_view(struct tog_view *view)
947 return view->parent == NULL;
951 view_is_splitscreen(struct tog_view *view)
953 return view->begin_x > 0 || view->begin_y > 0;
957 view_is_fullscreen(struct tog_view *view)
959 return view->nlines == LINES && view->ncols == COLS;
963 view_is_hsplit_top(struct tog_view *view)
965 return view->mode == TOG_VIEW_SPLIT_HRZN && view->child &&
966 view_is_splitscreen(view->child);
970 view_border(struct tog_view *view)
973 const struct tog_view *view_above;
976 return view_border(view->parent);
978 panel = panel_above(view->panel);
982 view_above = panel_userptr(panel);
983 if (view->mode == TOG_VIEW_SPLIT_HRZN)
984 mvwhline(view->window, view_above->begin_y - 1,
985 view->begin_x, ACS_HLINE, view->ncols);
987 mvwvline(view->window, view->begin_y, view_above->begin_x - 1,
988 ACS_VLINE, view->nlines);
991 static const struct got_error *view_init_hsplit(struct tog_view *, int);
992 static const struct got_error *request_log_commits(struct tog_view *);
993 static const struct got_error *offset_selection_down(struct tog_view *);
994 static void offset_selection_up(struct tog_view *);
995 static void view_get_split(struct tog_view *, int *, int *);
997 static const struct got_error *
998 view_resize(struct tog_view *view)
1000 const struct got_error *err = NULL;
1001 int dif, nlines, ncols;
1003 dif = LINES - view->lines; /* line difference */
1005 if (view->lines > LINES)
1006 nlines = view->nlines - (view->lines - LINES);
1008 nlines = view->nlines + (LINES - view->lines);
1009 if (view->cols > COLS)
1010 ncols = view->ncols - (view->cols - COLS);
1012 ncols = view->ncols + (COLS - view->cols);
1015 int hs = view->child->begin_y;
1017 if (!view_is_fullscreen(view))
1018 view->child->begin_x = view_split_begin_x(view->begin_x);
1019 if (view->mode == TOG_VIEW_SPLIT_HRZN ||
1020 view->child->begin_x == 0) {
1023 view_fullscreen(view->child);
1024 if (view->child->focussed)
1025 show_panel(view->child->panel);
1027 show_panel(view->panel);
1029 ncols = view->child->begin_x;
1031 view_splitscreen(view->child);
1032 show_panel(view->child->panel);
1035 * XXX This is ugly and needs to be moved into the above
1036 * logic but "works" for now and my attempts at moving it
1037 * break either 'tab' or 'F' key maps in horizontal splits.
1040 err = view_splitscreen(view->child);
1043 if (dif < 0) { /* top split decreased */
1044 err = offset_selection_down(view);
1051 show_panel(view->child->panel);
1052 nlines = view->nlines;
1054 } else if (view->parent == NULL)
1057 if (view->resize && dif > 0) {
1058 err = view->resize(view, dif);
1063 if (wresize(view->window, nlines, ncols) == ERR)
1064 return got_error_from_errno("wresize");
1065 if (replace_panel(view->panel, view->window) == ERR)
1066 return got_error_from_errno("replace_panel");
1067 wclear(view->window);
1069 view->nlines = nlines;
1070 view->ncols = ncols;
1071 view->lines = LINES;
1077 static const struct got_error *
1078 resize_log_view(struct tog_view *view, int increase)
1080 struct tog_log_view_state *s = &view->state.log;
1081 const struct got_error *err = NULL;
1084 if (s->selected_entry)
1085 n = s->selected_entry->idx + view->lines - s->selected;
1088 * Request commits to account for the increased
1089 * height so we have enough to populate the view.
1091 if (s->commits->ncommits < n) {
1092 view->nscrolled = n - s->commits->ncommits + increase + 1;
1093 err = request_log_commits(view);
1100 view_adjust_offset(struct tog_view *view, int n)
1105 if (view->parent && view->parent->offset) {
1106 if (view->parent->offset + n >= 0)
1107 view->parent->offset += n;
1109 view->parent->offset = 0;
1110 } else if (view->offset) {
1111 if (view->offset - n >= 0)
1118 static const struct got_error *
1119 view_resize_split(struct tog_view *view, int resize)
1121 const struct got_error *err = NULL;
1122 struct tog_view *v = NULL;
1129 if (!v->child || !view_is_splitscreen(v->child))
1132 v->resized = v->child->resized = resize; /* lock for resize event */
1134 if (view->mode == TOG_VIEW_SPLIT_HRZN) {
1135 if (v->child->resized_y)
1136 v->child->begin_y = v->child->resized_y;
1138 v->child->begin_y -= resize;
1140 v->child->begin_y += resize;
1141 if (v->child->begin_y < 3) {
1143 v->child->begin_y = 3;
1144 } else if (v->child->begin_y > LINES - 1) {
1146 v->child->begin_y = LINES - 1;
1149 v->child->ncols = COLS;
1150 view_adjust_offset(view, resize);
1151 err = view_init_hsplit(v, v->child->begin_y);
1154 v->child->resized_y = v->child->begin_y;
1156 if (v->child->resized_x)
1157 v->child->begin_x = v->child->resized_x;
1159 v->child->begin_x -= resize;
1161 v->child->begin_x += resize;
1162 if (v->child->begin_x < 11) {
1164 v->child->begin_x = 11;
1165 } else if (v->child->begin_x > COLS - 1) {
1167 v->child->begin_x = COLS - 1;
1169 v->child->resized_x = v->child->begin_x;
1172 v->child->mode = v->mode;
1173 v->child->nlines = v->lines - v->child->begin_y;
1174 v->child->ncols = v->cols - v->child->begin_x;
1177 err = view_fullscreen(v);
1180 err = view_splitscreen(v->child);
1184 if (v->mode == TOG_VIEW_SPLIT_HRZN) {
1185 err = offset_selection_down(v->child);
1191 err = v->resize(v, 0);
1192 else if (v->child->resize)
1193 err = v->child->resize(v->child, 0);
1195 v->resized = v->child->resized = 0;
1201 view_transfer_size(struct tog_view *dst, struct tog_view *src)
1203 struct tog_view *v = src->child ? src->child : src;
1205 dst->resized_x = v->resized_x;
1206 dst->resized_y = v->resized_y;
1209 static const struct got_error *
1210 view_close_child(struct tog_view *view)
1212 const struct got_error *err = NULL;
1214 if (view->child == NULL)
1217 err = view_close(view->child);
1222 static const struct got_error *
1223 view_set_child(struct tog_view *view, struct tog_view *child)
1225 const struct got_error *err = NULL;
1227 view->child = child;
1228 child->parent = view;
1230 err = view_resize(view);
1234 if (view->child->resized_x || view->child->resized_y)
1235 err = view_resize_split(view, 0);
1240 static const struct got_error *view_dispatch_request(struct tog_view **,
1241 struct tog_view *, enum tog_view_type, int, int);
1243 static const struct got_error *
1244 view_request_new(struct tog_view **requested, struct tog_view *view,
1245 enum tog_view_type request)
1247 struct tog_view *new_view = NULL;
1248 const struct got_error *err;
1253 if (view_is_parent_view(view) && request != TOG_VIEW_HELP)
1254 view_get_split(view, &y, &x);
1256 err = view_dispatch_request(&new_view, view, request, y, x);
1260 if (view_is_parent_view(view) && view->mode == TOG_VIEW_SPLIT_HRZN &&
1261 request != TOG_VIEW_HELP) {
1262 err = view_init_hsplit(view, y);
1268 new_view->focussed = 1;
1269 new_view->mode = view->mode;
1270 new_view->nlines = request == TOG_VIEW_HELP ?
1271 view->lines : view->lines - y;
1273 if (view_is_parent_view(view) && request != TOG_VIEW_HELP) {
1274 view_transfer_size(new_view, view);
1275 err = view_close_child(view);
1278 err = view_set_child(view, new_view);
1281 view->focus_child = 1;
1283 *requested = new_view;
1289 tog_resizeterm(void)
1292 struct winsize size;
1294 if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &size) < 0) {
1295 cols = 80; /* Default */
1299 lines = size.ws_row;
1301 resize_term(lines, cols);
1304 static const struct got_error *
1305 view_search_start(struct tog_view *view, int fast_refresh)
1307 const struct got_error *err = NULL;
1308 struct tog_view *v = view;
1312 if (view->search_started) {
1313 regfree(&view->regex);
1314 view->searching = 0;
1315 memset(&view->regmatch, 0, sizeof(view->regmatch));
1317 view->search_started = 0;
1319 if (view->nlines < 1)
1322 if (view_is_hsplit_top(view))
1324 else if (view->mode == TOG_VIEW_SPLIT_VERT && view->parent)
1327 mvwaddstr(v->window, v->nlines - 1, 0, "/");
1328 wclrtoeol(v->window);
1330 nodelay(v->window, FALSE); /* block for search term input */
1333 ret = wgetnstr(v->window, pattern, sizeof(pattern));
1334 wrefresh(v->window);
1337 nodelay(v->window, TRUE);
1338 if (!fast_refresh && !using_mock_io)
1343 if (regcomp(&view->regex, pattern, REG_EXTENDED | REG_NEWLINE) == 0) {
1344 err = view->search_start(view);
1346 regfree(&view->regex);
1349 view->search_started = 1;
1350 view->searching = TOG_SEARCH_FORWARD;
1351 view->search_next_done = 0;
1352 view->search_next(view);
1358 /* Switch split mode. If view is a parent or child, draw the new splitscreen. */
1359 static const struct got_error *
1360 switch_split(struct tog_view *view)
1362 const struct got_error *err = NULL;
1363 struct tog_view *v = NULL;
1370 if (v->mode == TOG_VIEW_SPLIT_HRZN)
1371 v->mode = TOG_VIEW_SPLIT_VERT;
1373 v->mode = TOG_VIEW_SPLIT_HRZN;
1377 else if (v->mode == TOG_VIEW_SPLIT_VERT && v->cols < 120)
1378 v->mode = TOG_VIEW_SPLIT_NONE;
1380 view_get_split(v, &v->child->begin_y, &v->child->begin_x);
1381 if (v->mode == TOG_VIEW_SPLIT_HRZN && v->child->resized_y)
1382 v->child->begin_y = v->child->resized_y;
1383 else if (v->mode == TOG_VIEW_SPLIT_VERT && v->child->resized_x)
1384 v->child->begin_x = v->child->resized_x;
1387 if (v->mode == TOG_VIEW_SPLIT_HRZN) {
1389 v->child->ncols = COLS;
1390 v->child->nscrolled = LINES - v->child->nlines;
1392 err = view_init_hsplit(v, v->child->begin_y);
1396 v->child->mode = v->mode;
1397 v->child->nlines = v->lines - v->child->begin_y;
1400 err = view_fullscreen(v);
1403 err = view_splitscreen(v->child);
1407 if (v->mode == TOG_VIEW_SPLIT_NONE)
1408 v->mode = TOG_VIEW_SPLIT_VERT;
1409 if (v->mode == TOG_VIEW_SPLIT_HRZN) {
1410 err = offset_selection_down(v);
1413 err = offset_selection_down(v->child);
1417 offset_selection_up(v);
1418 offset_selection_up(v->child);
1421 err = v->resize(v, 0);
1422 else if (v->child->resize)
1423 err = v->child->resize(v->child, 0);
1429 * Strip trailing whitespace from str starting at byte *n;
1430 * if *n < 0, use strlen(str). Return new str length in *n.
1433 strip_trailing_ws(char *str, int *n)
1437 if (str == NULL || *str == '\0')
1443 while (x-- > 0 && isspace((unsigned char)str[x]))
1450 * Extract visible substring of line y from the curses screen
1451 * and strip trailing whitespace. If vline is set, overwrite
1452 * line[vline] with '|' because the ACS_VLINE character is
1453 * written out as 'x'. Write the line to file f.
1455 static const struct got_error *
1456 view_write_line(FILE *f, int y, int vline)
1458 char line[COLS * MB_LEN_MAX]; /* allow for multibyte chars */
1461 r = mvwinnstr(curscr, y, 0, line, sizeof(line));
1463 return got_error_fmt(GOT_ERR_RANGE,
1464 "failed to extract line %d", y);
1467 * In some views, lines are padded with blanks to COLS width.
1468 * Strip them so we can diff without the -b flag when testing.
1470 strip_trailing_ws(line, &r);
1475 w = fprintf(f, "%s\n", line);
1476 if (w != r + 1) /* \n */
1477 return got_ferror(f, GOT_ERR_IO);
1483 * Capture the visible curses screen by writing each line to the
1484 * file at the path set via the TOG_SCR_DUMP environment variable.
1486 static const struct got_error *
1487 screendump(struct tog_view *view)
1489 const struct got_error *err;
1492 err = got_opentemp_truncate(tog_io.sdump);
1496 if ((view->child && view->child->begin_x) ||
1497 (view->parent && view->begin_x)) {
1498 int ncols = view->child ? view->ncols : view->parent->ncols;
1500 /* vertical splitscreen */
1501 for (i = 0; i < view->nlines; ++i) {
1502 err = view_write_line(tog_io.sdump, i, ncols - 1);
1509 /* fullscreen or horizontal splitscreen */
1510 if ((view->child && view->child->begin_y) ||
1511 (view->parent && view->begin_y)) /* hsplit */
1512 hline = view->child ?
1513 view->child->begin_y : view->begin_y;
1515 for (i = 0; i < view->lines; i++) {
1516 if (hline && i == hline - 1) {
1519 /* ACS_HLINE writes out as 'q', overwrite it */
1520 for (c = 0; c < view->cols; ++c)
1521 fputc('-', tog_io.sdump);
1522 fputc('\n', tog_io.sdump);
1526 err = view_write_line(tog_io.sdump, i, 0);
1537 * Compute view->count from numeric input. Assign total to view->count and
1538 * return first non-numeric key entered.
1541 get_compound_key(struct tog_view *view, int c)
1543 struct tog_view *v = view;
1546 if (view_is_hsplit_top(view))
1548 else if (view->mode == TOG_VIEW_SPLIT_VERT && view->parent)
1552 cbreak(); /* block for input */
1553 nodelay(view->window, FALSE);
1554 wmove(v->window, v->nlines - 1, 0);
1555 wclrtoeol(v->window);
1556 waddch(v->window, ':');
1559 x = getcurx(v->window);
1560 if (x != ERR && x < view->ncols) {
1561 waddch(v->window, c);
1562 wrefresh(v->window);
1566 * Don't overflow. Max valid request should be the greatest
1567 * between the longest and total lines; cap at 10 million.
1572 n = n * 10 + (c - '0');
1573 } while (((c = wgetch(view->window))) >= '0' && c <= '9' && c != ERR);
1575 if (c == 'G' || c == 'g') { /* nG key map */
1576 view->gline = view->hiline = n;
1581 /* Massage excessive or inapplicable values at the input handler. */
1588 action_report(struct tog_view *view)
1590 struct tog_view *v = view;
1592 if (view_is_hsplit_top(view))
1594 else if (view->mode == TOG_VIEW_SPLIT_VERT && view->parent)
1597 wmove(v->window, v->nlines - 1, 0);
1598 wclrtoeol(v->window);
1599 wprintw(v->window, ":%s", view->action);
1600 wrefresh(v->window);
1603 * Clear action status report. Only clear in blame view
1604 * once annotating is complete, otherwise it's too fast.
1606 if (view->type == TOG_VIEW_BLAME) {
1607 if (view->state.blame.blame_complete)
1608 view->action = NULL;
1610 view->action = NULL;
1614 * Read the next line from the test script and assign
1615 * key instruction to *ch. If at EOF, set the *done flag.
1617 static const struct got_error *
1618 tog_read_script_key(FILE *script, struct tog_view *view, int *ch, int *done)
1620 const struct got_error *err = NULL;
1624 if (view->count && --view->count) {
1630 if (getline(&line, &linesz, script) == -1) {
1635 err = got_ferror(script, GOT_ERR_IO);
1640 if (strncasecmp(line, "WAIT_FOR_UI", 11) == 0)
1641 tog_io.wait_for_ui = 1;
1642 else if (strncasecmp(line, "KEY_ENTER", 9) == 0)
1644 else if (strncasecmp(line, "KEY_RIGHT", 9) == 0)
1646 else if (strncasecmp(line, "KEY_LEFT", 8) == 0)
1648 else if (strncasecmp(line, "KEY_DOWN", 8) == 0)
1650 else if (strncasecmp(line, "KEY_UP", 6) == 0)
1652 else if (strncasecmp(line, "TAB", 3) == 0)
1654 else if (strncasecmp(line, "SCREENDUMP", 10) == 0)
1655 *ch = TOG_KEY_SCRDUMP;
1656 else if (isdigit((unsigned char)*line)) {
1659 while (isdigit((unsigned char)*t))
1661 view->ch = *ch = *t;
1663 /* ignore error, view->count is 0 if instruction is invalid */
1664 view->count = strtonum(line, 0, INT_MAX, NULL);
1673 static const struct got_error *
1674 view_input(struct tog_view **new, int *done, struct tog_view *view,
1675 struct tog_view_list_head *views, int fast_refresh)
1677 const struct got_error *err = NULL;
1684 action_report(view);
1686 /* Clear "no matches" indicator. */
1687 if (view->search_next_done == TOG_SEARCH_NO_MORE ||
1688 view->search_next_done == TOG_SEARCH_HAVE_NONE) {
1689 view->search_next_done = TOG_SEARCH_HAVE_MORE;
1693 if (view->searching && !view->search_next_done) {
1694 errcode = pthread_mutex_unlock(&tog_mutex);
1696 return got_error_set_errno(errcode,
1697 "pthread_mutex_unlock");
1699 errcode = pthread_mutex_lock(&tog_mutex);
1701 return got_error_set_errno(errcode,
1702 "pthread_mutex_lock");
1703 view->search_next(view);
1707 /* Allow threads to make progress while we are waiting for input. */
1708 errcode = pthread_mutex_unlock(&tog_mutex);
1710 return got_error_set_errno(errcode, "pthread_mutex_unlock");
1712 if (using_mock_io) {
1713 err = tog_read_script_key(tog_io.f, view, &ch, done);
1715 errcode = pthread_mutex_lock(&tog_mutex);
1718 } else if (view->count && --view->count) {
1720 nodelay(view->window, TRUE);
1721 ch = wgetch(view->window);
1722 /* let C-g or backspace abort unfinished count */
1723 if (ch == CTRL('g') || ch == KEY_BACKSPACE)
1728 ch = wgetch(view->window);
1729 if (ch >= '1' && ch <= '9')
1730 view->ch = ch = get_compound_key(view, ch);
1732 if (view->hiline && ch != ERR && ch != 0)
1733 view->hiline = 0; /* key pressed, clear line highlight */
1734 nodelay(view->window, TRUE);
1735 errcode = pthread_mutex_lock(&tog_mutex);
1737 return got_error_set_errno(errcode, "pthread_mutex_lock");
1739 if (tog_sigwinch_received || tog_sigcont_received) {
1741 tog_sigwinch_received = 0;
1742 tog_sigcont_received = 0;
1743 TAILQ_FOREACH(v, views, entry) {
1744 err = view_resize(v);
1747 err = v->input(new, v, KEY_RESIZE);
1751 err = view_resize(v->child);
1754 err = v->child->input(new, v->child,
1758 if (v->child->resized_x || v->child->resized_y) {
1759 err = view_resize_split(v, 0);
1771 if (view->type == TOG_VIEW_HELP)
1772 err = view->reset(view);
1774 err = view_request_new(new, view, TOG_VIEW_HELP);
1780 view->child->focussed = 1;
1781 view->focus_child = 1;
1782 } else if (view->parent) {
1784 view->parent->focussed = 1;
1785 view->parent->focus_child = 0;
1786 if (!view_is_splitscreen(view)) {
1787 if (view->parent->resize) {
1788 err = view->parent->resize(view->parent,
1793 offset_selection_up(view->parent);
1794 err = view_fullscreen(view->parent);
1801 if (view->parent && view->mode == TOG_VIEW_SPLIT_HRZN) {
1802 if (view->parent->resize) {
1803 /* might need more commits to fill fullscreen */
1804 err = view->parent->resize(view->parent, 0);
1808 offset_selection_up(view->parent);
1810 err = view->input(new, view, ch);
1818 if (view_is_parent_view(view)) {
1819 if (view->child == NULL)
1821 if (view_is_splitscreen(view->child)) {
1823 view->child->focussed = 1;
1824 err = view_fullscreen(view->child);
1826 err = view_splitscreen(view->child);
1828 err = view_resize_split(view, 0);
1832 err = view->child->input(new, view->child,
1835 if (view_is_splitscreen(view)) {
1836 view->parent->focussed = 0;
1838 err = view_fullscreen(view);
1840 err = view_splitscreen(view);
1841 if (!err && view->mode != TOG_VIEW_SPLIT_HRZN)
1842 err = view_resize(view->parent);
1844 err = view_resize_split(view, 0);
1848 err = view->input(new, view, KEY_RESIZE);
1853 err = view->resize(view, 0);
1858 if (view->parent->resize) {
1859 err = view->parent->resize(view->parent, 0);
1863 err = offset_selection_down(view->parent);
1867 err = offset_selection_down(view);
1871 err = switch_split(view);
1874 err = view_resize_split(view, -1);
1877 err = view_resize_split(view, 1);
1883 if (view->search_start)
1884 view_search_start(view, fast_refresh);
1886 err = view->input(new, view, ch);
1890 if (view->search_started && view->search_next) {
1891 view->searching = (ch == 'n' ?
1892 TOG_SEARCH_FORWARD : TOG_SEARCH_BACKWARD);
1893 view->search_next_done = 0;
1894 view->search_next(view);
1896 err = view->input(new, view, ch);
1899 if (tog_diff_algo == GOT_DIFF_ALGORITHM_MYERS) {
1900 tog_diff_algo = GOT_DIFF_ALGORITHM_PATIENCE;
1901 view->action = "Patience diff algorithm";
1903 tog_diff_algo = GOT_DIFF_ALGORITHM_MYERS;
1904 view->action = "Myers diff algorithm";
1906 TAILQ_FOREACH(v, views, entry) {
1912 if (v->child && v->child->reset) {
1913 err = v->child->reset(v->child);
1919 case TOG_KEY_SCRDUMP:
1920 err = screendump(view);
1923 err = view->input(new, view, ch);
1931 view_needs_focus_indication(struct tog_view *view)
1933 if (view_is_parent_view(view)) {
1934 if (view->child == NULL || view->child->focussed)
1936 if (!view_is_splitscreen(view->child))
1938 } else if (!view_is_splitscreen(view))
1941 return view->focussed;
1944 static const struct got_error *
1947 const struct got_error *err = NULL;
1949 if (tog_io.cin && fclose(tog_io.cin) == EOF)
1950 err = got_ferror(tog_io.cin, GOT_ERR_IO);
1951 if (tog_io.cout && fclose(tog_io.cout) == EOF && err == NULL)
1952 err = got_ferror(tog_io.cout, GOT_ERR_IO);
1953 if (tog_io.f && fclose(tog_io.f) == EOF && err == NULL)
1954 err = got_ferror(tog_io.f, GOT_ERR_IO);
1955 if (tog_io.sdump && fclose(tog_io.sdump) == EOF && err == NULL)
1956 err = got_ferror(tog_io.sdump, GOT_ERR_IO);
1961 static const struct got_error *
1962 view_loop(struct tog_view *view)
1964 const struct got_error *err = NULL;
1965 struct tog_view_list_head views;
1966 struct tog_view *new_view;
1968 int fast_refresh = 10;
1969 int done = 0, errcode;
1971 mode = getenv("TOG_VIEW_SPLIT_MODE");
1972 if (!mode || !(*mode == 'h' || *mode == 'H'))
1973 view->mode = TOG_VIEW_SPLIT_VERT;
1975 view->mode = TOG_VIEW_SPLIT_HRZN;
1977 errcode = pthread_mutex_lock(&tog_mutex);
1979 return got_error_set_errno(errcode, "pthread_mutex_lock");
1982 TAILQ_INSERT_HEAD(&views, view, entry);
1985 err = view->show(view);
1990 while (!TAILQ_EMPTY(&views) && !done && !tog_thread_error &&
1991 !tog_fatal_signal_received()) {
1992 /* Refresh fast during initialization, then become slower. */
1993 if (fast_refresh && --fast_refresh == 0 && !using_mock_io)
1994 halfdelay(10); /* switch to once per second */
1996 err = view_input(&new_view, &done, view, &views, fast_refresh);
2000 if (view->dying && view == TAILQ_FIRST(&views) &&
2001 TAILQ_NEXT(view, entry) == NULL)
2007 * When we quit, scroll the screen up a single line
2008 * so we don't lose any information.
2010 TAILQ_FOREACH(v, &views, entry) {
2011 wmove(v->window, 0, 0);
2012 wdeleteln(v->window);
2013 wnoutrefresh(v->window);
2014 if (v->child && !view_is_fullscreen(v)) {
2015 wmove(v->child->window, 0, 0);
2016 wdeleteln(v->child->window);
2017 wnoutrefresh(v->child->window);
2024 struct tog_view *v, *prev = NULL;
2026 if (view_is_parent_view(view))
2027 prev = TAILQ_PREV(view, tog_view_list_head,
2029 else if (view->parent)
2030 prev = view->parent;
2033 view->parent->child = NULL;
2034 view->parent->focus_child = 0;
2035 /* Restore fullscreen line height. */
2036 view->parent->nlines = view->parent->lines;
2037 err = view_resize(view->parent);
2040 /* Make resized splits persist. */
2041 view_transfer_size(view->parent, view);
2043 TAILQ_REMOVE(&views, view, entry);
2045 err = view_close(view);
2050 TAILQ_FOREACH(v, &views, entry) {
2054 if (view == NULL && new_view == NULL) {
2055 /* No view has focus. Try to pick one. */
2058 else if (!TAILQ_EMPTY(&views)) {
2059 view = TAILQ_LAST(&views,
2060 tog_view_list_head);
2063 if (view->focus_child) {
2064 view->child->focussed = 1;
2072 struct tog_view *v, *t;
2073 /* Only allow one parent view per type. */
2074 TAILQ_FOREACH_SAFE(v, &views, entry, t) {
2075 if (v->type != new_view->type)
2077 TAILQ_REMOVE(&views, v, entry);
2078 err = view_close(v);
2083 TAILQ_INSERT_TAIL(&views, new_view, entry);
2086 if (view && !done) {
2087 if (view_is_parent_view(view)) {
2088 if (view->child && view->child->focussed)
2091 if (view->parent && view->parent->focussed)
2092 view = view->parent;
2094 show_panel(view->panel);
2095 if (view->child && view_is_splitscreen(view->child))
2096 show_panel(view->child->panel);
2097 if (view->parent && view_is_splitscreen(view)) {
2098 err = view->parent->show(view->parent);
2102 err = view->show(view);
2106 err = view->child->show(view->child);
2115 while (!TAILQ_EMPTY(&views)) {
2116 const struct got_error *close_err;
2117 view = TAILQ_FIRST(&views);
2118 TAILQ_REMOVE(&views, view, entry);
2119 close_err = view_close(view);
2120 if (close_err && err == NULL)
2124 errcode = pthread_mutex_unlock(&tog_mutex);
2125 if (errcode && err == NULL)
2126 err = got_error_set_errno(errcode, "pthread_mutex_unlock");
2136 "usage: %s log [-b] [-c commit] [-r repository-path] [path]\n",
2141 /* Create newly allocated wide-character string equivalent to a byte string. */
2142 static const struct got_error *
2143 mbs2ws(wchar_t **ws, size_t *wlen, const char *s)
2146 const struct got_error *err = NULL;
2149 *wlen = mbstowcs(NULL, s, 0);
2150 if (*wlen == (size_t)-1) {
2152 if (errno != EILSEQ)
2153 return got_error_from_errno("mbstowcs");
2155 /* byte string invalid in current encoding; try to "fix" it */
2156 err = got_mbsavis(&vis, &vislen, s);
2159 *wlen = mbstowcs(NULL, vis, 0);
2160 if (*wlen == (size_t)-1) {
2161 err = got_error_from_errno("mbstowcs"); /* give up */
2166 *ws = calloc(*wlen + 1, sizeof(**ws));
2168 err = got_error_from_errno("calloc");
2172 if (mbstowcs(*ws, vis ? vis : s, *wlen) != *wlen)
2173 err = got_error_from_errno("mbstowcs");
2184 static const struct got_error *
2185 expand_tab(char **ptr, const char *src)
2188 size_t len, n, idx = 0, sz = 0;
2191 n = len = strlen(src);
2192 dst = malloc(n + 1);
2194 return got_error_from_errno("malloc");
2196 while (idx < len && src[idx]) {
2197 const char c = src[idx];
2200 size_t nb = TABSIZE - sz % TABSIZE;
2203 p = realloc(dst, n + nb);
2206 return got_error_from_errno("realloc");
2211 memset(dst + sz, ' ', nb);
2214 dst[sz++] = src[idx];
2224 * Advance at most n columns from wline starting at offset off.
2225 * Return the index to the first character after the span operation.
2226 * Return the combined column width of all spanned wide character in
2230 span_wline(int *rcol, int off, wchar_t *wline, int n, int col_tab_align)
2232 int width, i, cols = 0;
2239 for (i = off; wline[i] != L'\0'; ++i) {
2240 if (wline[i] == L'\t')
2241 width = TABSIZE - ((cols + col_tab_align) % TABSIZE);
2243 width = wcwidth(wline[i]);
2250 if (cols + width > n)
2260 * Format a line for display, ensuring that it won't overflow a width limit.
2261 * With scrolling, the width returned refers to the scrolled version of the
2262 * line, which starts at (*wlinep)[*scrollxp]. The caller must free *wlinep.
2264 static const struct got_error *
2265 format_line(wchar_t **wlinep, int *widthp, int *scrollxp,
2266 const char *line, int nscroll, int wlimit, int col_tab_align, int expand)
2268 const struct got_error *err = NULL;
2270 wchar_t *wline = NULL;
2279 err = expand_tab(&exstr, line);
2284 err = mbs2ws(&wline, &wlen, expand ? exstr : line);
2289 scrollx = span_wline(&cols, 0, wline, nscroll, col_tab_align);
2291 if (wlen > 0 && wline[wlen - 1] == L'\n') {
2292 wline[wlen - 1] = L'\0';
2295 if (wlen > 0 && wline[wlen - 1] == L'\r') {
2296 wline[wlen - 1] = L'\0';
2300 i = span_wline(&cols, scrollx, wline, wlimit, col_tab_align);
2306 *scrollxp = scrollx;
2314 static const struct got_error*
2315 build_refs_str(char **refs_str, struct got_reflist_head *refs,
2316 struct got_object_id *id, struct got_repository *repo)
2318 static const struct got_error *err = NULL;
2319 struct got_reflist_entry *re;
2325 TAILQ_FOREACH(re, refs, entry) {
2326 struct got_tag_object *tag = NULL;
2327 struct got_object_id *ref_id;
2330 name = got_ref_get_name(re->ref);
2331 if (strcmp(name, GOT_REF_HEAD) == 0)
2333 if (strncmp(name, "refs/", 5) == 0)
2335 if (strncmp(name, "got/", 4) == 0 &&
2336 strncmp(name, "got/backup/", 11) != 0)
2338 if (strncmp(name, "heads/", 6) == 0)
2340 if (strncmp(name, "remotes/", 8) == 0) {
2342 s = strstr(name, "/" GOT_REF_HEAD);
2343 if (s != NULL && s[strlen(s)] == '\0')
2346 err = got_ref_resolve(&ref_id, repo, re->ref);
2349 if (strncmp(name, "tags/", 5) == 0) {
2350 err = got_object_open_as_tag(&tag, repo, ref_id);
2352 if (err->code != GOT_ERR_OBJ_TYPE) {
2356 /* Ref points at something other than a tag. */
2361 cmp = got_object_id_cmp(tag ?
2362 got_object_tag_get_object_id(tag) : ref_id, id);
2365 got_object_tag_close(tag);
2369 if (asprintf(refs_str, "%s%s%s", s ? s : "",
2370 s ? ", " : "", name) == -1) {
2371 err = got_error_from_errno("asprintf");
2382 static const struct got_error *
2383 format_author(wchar_t **wauthor, int *author_width, char *author, int limit,
2388 smallerthan = strchr(author, '<');
2389 if (smallerthan && smallerthan[1] != '\0')
2390 author = smallerthan + 1;
2391 author[strcspn(author, "@>")] = '\0';
2392 return format_line(wauthor, author_width, NULL, author, 0, limit,
2396 static const struct got_error *
2397 draw_commit(struct tog_view *view, struct got_commit_object *commit,
2398 struct got_object_id *id, const size_t date_display_cols,
2399 int author_display_cols)
2401 struct tog_log_view_state *s = &view->state.log;
2402 const struct got_error *err = NULL;
2403 char datebuf[12]; /* YYYY-MM-DD + SPACE + NUL */
2404 char *logmsg0 = NULL, *logmsg = NULL;
2405 char *author = NULL;
2406 wchar_t *wlogmsg = NULL, *wauthor = NULL;
2407 int author_width, logmsg_width;
2408 size_t wrefstr_len = 0;
2409 char *newline, *line = NULL;
2410 int col, limit, scrollx;
2411 const int avail = view->ncols;
2413 time_t committer_time;
2414 struct tog_color *tc;
2415 struct got_reflist_head *refs;
2417 committer_time = got_object_commit_get_committer_time(commit);
2418 if (gmtime_r(&committer_time, &tm) == NULL)
2419 return got_error_from_errno("gmtime_r");
2420 if (strftime(datebuf, sizeof(datebuf), "%G-%m-%d ", &tm) == 0)
2421 return got_error(GOT_ERR_NO_SPACE);
2423 if (avail <= date_display_cols)
2424 limit = MIN(sizeof(datebuf) - 1, avail);
2426 limit = MIN(date_display_cols, sizeof(datebuf) - 1);
2427 tc = get_color(&s->colors, TOG_COLOR_DATE);
2429 wattr_on(view->window,
2430 COLOR_PAIR(tc->colorpair), NULL);
2431 waddnstr(view->window, datebuf, limit);
2433 wattr_off(view->window,
2434 COLOR_PAIR(tc->colorpair), NULL);
2441 err = got_object_id_str(&id_str, id);
2444 tc = get_color(&s->colors, TOG_COLOR_COMMIT);
2446 wattr_on(view->window,
2447 COLOR_PAIR(tc->colorpair), NULL);
2448 wprintw(view->window, "%.8s ", id_str);
2450 wattr_off(view->window,
2451 COLOR_PAIR(tc->colorpair), NULL);
2458 if (s->use_committer)
2459 author = strdup(got_object_commit_get_committer(commit));
2461 author = strdup(got_object_commit_get_author(commit));
2462 if (author == NULL) {
2463 err = got_error_from_errno("strdup");
2466 err = format_author(&wauthor, &author_width, author, avail - col, col);
2469 tc = get_color(&s->colors, TOG_COLOR_AUTHOR);
2471 wattr_on(view->window,
2472 COLOR_PAIR(tc->colorpair), NULL);
2473 waddwstr(view->window, wauthor);
2474 col += author_width;
2475 while (col < avail && author_width < author_display_cols + 2) {
2476 waddch(view->window, ' ');
2481 wattr_off(view->window,
2482 COLOR_PAIR(tc->colorpair), NULL);
2486 err = got_object_commit_get_logmsg(&logmsg0, commit);
2490 while (*logmsg == '\n')
2492 newline = strchr(logmsg, '\n');
2496 /* Prepend reference labels to log message if possible .*/
2497 refs = got_reflist_object_id_map_lookup(tog_refs_idmap, id);
2499 char *refs_str, *newlogmsg;
2502 err = build_refs_str(&refs_str, refs, id, s->repo);
2507 * The length of this wide-char sub-string will be
2508 * needed later for colorization.
2510 err = mbs2ws(&ws, &wrefstr_len, refs_str);
2515 wrefstr_len += 2; /* account for '[' and ']' */
2517 if (asprintf(&newlogmsg, "[%s] %s", refs_str, logmsg) == -1) {
2518 err = got_error_from_errno("asprintf");
2525 logmsg0 = newlogmsg;
2529 limit = avail - col;
2530 if (view->child && !view_is_hsplit_top(view) && limit > 0)
2531 limit--; /* for the border */
2532 err = format_line(&wlogmsg, &logmsg_width, &scrollx, logmsg, view->x,
2536 if (wrefstr_len > 0 && scrollx < wrefstr_len) {
2537 tc = get_color(&s->colors, TOG_COLOR_COMMIT);
2539 wattr_on(view->window,
2540 COLOR_PAIR(tc->colorpair), NULL);
2541 waddnwstr(view->window, &wlogmsg[scrollx],
2542 wrefstr_len - scrollx);
2544 wattr_off(view->window,
2545 COLOR_PAIR(tc->colorpair), NULL);
2546 waddwstr(view->window, &wlogmsg[wrefstr_len]);
2548 waddwstr(view->window, &wlogmsg[scrollx]);
2549 col += MAX(logmsg_width, 0);
2550 while (col < avail) {
2551 waddch(view->window, ' ');
2563 static struct commit_queue_entry *
2564 alloc_commit_queue_entry(struct got_commit_object *commit,
2565 struct got_object_id *id)
2567 struct commit_queue_entry *entry;
2568 struct got_object_id *dup;
2570 entry = calloc(1, sizeof(*entry));
2574 dup = got_object_id_dup(id);
2581 entry->commit = commit;
2586 pop_commit(struct commit_queue *commits)
2588 struct commit_queue_entry *entry;
2590 entry = TAILQ_FIRST(&commits->head);
2591 TAILQ_REMOVE(&commits->head, entry, entry);
2592 got_object_commit_close(entry->commit);
2593 commits->ncommits--;
2599 free_commits(struct commit_queue *commits)
2601 while (!TAILQ_EMPTY(&commits->head))
2602 pop_commit(commits);
2605 static const struct got_error *
2606 match_commit(int *have_match, struct got_object_id *id,
2607 struct got_commit_object *commit, regex_t *regex)
2609 const struct got_error *err = NULL;
2610 regmatch_t regmatch;
2611 char *id_str = NULL, *logmsg = NULL;
2615 err = got_object_id_str(&id_str, id);
2619 err = got_object_commit_get_logmsg(&logmsg, commit);
2623 if (regexec(regex, got_object_commit_get_author(commit), 1,
2624 ®match, 0) == 0 ||
2625 regexec(regex, got_object_commit_get_committer(commit), 1,
2626 ®match, 0) == 0 ||
2627 regexec(regex, id_str, 1, ®match, 0) == 0 ||
2628 regexec(regex, logmsg, 1, ®match, 0) == 0)
2636 static const struct got_error *
2637 queue_commits(struct tog_log_thread_args *a)
2639 const struct got_error *err = NULL;
2642 * We keep all commits open throughout the lifetime of the log
2643 * view in order to avoid having to re-fetch commits from disk
2644 * while updating the display.
2647 struct got_object_id id;
2648 struct got_commit_object *commit;
2649 struct commit_queue_entry *entry;
2650 int limit_match = 0;
2653 err = got_commit_graph_iter_next(&id, a->graph, a->repo,
2658 err = got_object_open_as_commit(&commit, a->repo, &id);
2661 entry = alloc_commit_queue_entry(commit, &id);
2662 if (entry == NULL) {
2663 err = got_error_from_errno("alloc_commit_queue_entry");
2667 errcode = pthread_mutex_lock(&tog_mutex);
2669 err = got_error_set_errno(errcode,
2670 "pthread_mutex_lock");
2674 entry->idx = a->real_commits->ncommits;
2675 TAILQ_INSERT_TAIL(&a->real_commits->head, entry, entry);
2676 a->real_commits->ncommits++;
2679 err = match_commit(&limit_match, &id, commit,
2685 struct commit_queue_entry *matched;
2687 matched = alloc_commit_queue_entry(
2688 entry->commit, entry->id);
2689 if (matched == NULL) {
2690 err = got_error_from_errno(
2691 "alloc_commit_queue_entry");
2694 matched->commit = entry->commit;
2695 got_object_commit_retain(entry->commit);
2697 matched->idx = a->limit_commits->ncommits;
2698 TAILQ_INSERT_TAIL(&a->limit_commits->head,
2700 a->limit_commits->ncommits++;
2704 * This is how we signal log_thread() that we
2705 * have found a match, and that it should be
2706 * counted as a new entry for the view.
2708 a->limit_match = limit_match;
2711 if (*a->searching == TOG_SEARCH_FORWARD &&
2712 !*a->search_next_done) {
2714 err = match_commit(&have_match, &id, commit, a->regex);
2719 if (limit_match && have_match)
2720 *a->search_next_done =
2721 TOG_SEARCH_HAVE_MORE;
2722 } else if (have_match)
2723 *a->search_next_done = TOG_SEARCH_HAVE_MORE;
2726 errcode = pthread_mutex_unlock(&tog_mutex);
2727 if (errcode && err == NULL)
2728 err = got_error_set_errno(errcode,
2729 "pthread_mutex_unlock");
2732 } while (*a->searching == TOG_SEARCH_FORWARD && !*a->search_next_done);
2738 select_commit(struct tog_log_view_state *s)
2740 struct commit_queue_entry *entry;
2743 entry = s->first_displayed_entry;
2745 if (ncommits == s->selected) {
2746 s->selected_entry = entry;
2749 entry = TAILQ_NEXT(entry, entry);
2754 static const struct got_error *
2755 draw_commits(struct tog_view *view)
2757 const struct got_error *err = NULL;
2758 struct tog_log_view_state *s = &view->state.log;
2759 struct commit_queue_entry *entry = s->selected_entry;
2760 int limit = view->nlines;
2762 int ncommits, author_cols = 4;
2763 char *id_str = NULL, *header = NULL, *ncommits_str = NULL;
2764 char *refs_str = NULL;
2766 struct tog_color *tc;
2767 static const size_t date_display_cols = 12;
2769 if (view_is_hsplit_top(view))
2770 --limit; /* account for border */
2772 if (s->selected_entry &&
2773 !(view->searching && view->search_next_done == 0)) {
2774 struct got_reflist_head *refs;
2775 err = got_object_id_str(&id_str, s->selected_entry->id);
2778 refs = got_reflist_object_id_map_lookup(tog_refs_idmap,
2779 s->selected_entry->id);
2781 err = build_refs_str(&refs_str, refs,
2782 s->selected_entry->id, s->repo);
2788 if (s->thread_args.commits_needed == 0 && !using_mock_io)
2789 halfdelay(10); /* disable fast refresh */
2791 if (s->thread_args.commits_needed > 0 || s->thread_args.load_all) {
2792 if (asprintf(&ncommits_str, " [%d/%d] %s",
2793 entry ? entry->idx + 1 : 0, s->commits->ncommits,
2794 (view->searching && !view->search_next_done) ?
2795 "searching..." : "loading...") == -1) {
2796 err = got_error_from_errno("asprintf");
2800 const char *search_str = NULL;
2801 const char *limit_str = NULL;
2803 if (view->searching) {
2804 if (view->search_next_done == TOG_SEARCH_NO_MORE)
2805 search_str = "no more matches";
2806 else if (view->search_next_done == TOG_SEARCH_HAVE_NONE)
2807 search_str = "no matches found";
2808 else if (!view->search_next_done)
2809 search_str = "searching...";
2812 if (s->limit_view && s->commits->ncommits == 0)
2813 limit_str = "no matches found";
2815 if (asprintf(&ncommits_str, " [%d/%d] %s %s",
2816 entry ? entry->idx + 1 : 0, s->commits->ncommits,
2817 search_str ? search_str : (refs_str ? refs_str : ""),
2818 limit_str ? limit_str : "") == -1) {
2819 err = got_error_from_errno("asprintf");
2824 if (s->in_repo_path && strcmp(s->in_repo_path, "/") != 0) {
2825 if (asprintf(&header, "commit %s %s%s", id_str ? id_str :
2826 "........................................",
2827 s->in_repo_path, ncommits_str) == -1) {
2828 err = got_error_from_errno("asprintf");
2832 } else if (asprintf(&header, "commit %s%s",
2833 id_str ? id_str : "........................................",
2834 ncommits_str) == -1) {
2835 err = got_error_from_errno("asprintf");
2839 err = format_line(&wline, &width, NULL, header, 0, view->ncols, 0, 0);
2843 werase(view->window);
2845 if (view_needs_focus_indication(view))
2846 wstandout(view->window);
2847 tc = get_color(&s->colors, TOG_COLOR_COMMIT);
2849 wattr_on(view->window, COLOR_PAIR(tc->colorpair), NULL);
2850 waddwstr(view->window, wline);
2851 while (width < view->ncols) {
2852 waddch(view->window, ' ');
2856 wattr_off(view->window, COLOR_PAIR(tc->colorpair), NULL);
2857 if (view_needs_focus_indication(view))
2858 wstandend(view->window);
2863 /* Grow author column size if necessary, and set view->maxx. */
2864 entry = s->first_displayed_entry;
2868 struct got_commit_object *c = entry->commit;
2869 char *author, *eol, *msg, *msg0;
2870 wchar_t *wauthor, *wmsg;
2872 if (ncommits >= limit - 1)
2874 if (s->use_committer)
2875 author = strdup(got_object_commit_get_committer(c));
2877 author = strdup(got_object_commit_get_author(c));
2878 if (author == NULL) {
2879 err = got_error_from_errno("strdup");
2882 err = format_author(&wauthor, &width, author, COLS,
2884 if (author_cols < width)
2885 author_cols = width;
2890 err = got_object_commit_get_logmsg(&msg0, c);
2894 while (*msg == '\n')
2896 if ((eol = strchr(msg, '\n')))
2898 err = format_line(&wmsg, &width, NULL, msg, 0, INT_MAX,
2899 date_display_cols + author_cols, 0);
2902 view->maxx = MAX(view->maxx, width);
2906 entry = TAILQ_NEXT(entry, entry);
2909 entry = s->first_displayed_entry;
2910 s->last_displayed_entry = s->first_displayed_entry;
2913 if (ncommits >= limit - 1)
2915 if (ncommits == s->selected)
2916 wstandout(view->window);
2917 err = draw_commit(view, entry->commit, entry->id,
2918 date_display_cols, author_cols);
2919 if (ncommits == s->selected)
2920 wstandend(view->window);
2924 s->last_displayed_entry = entry;
2925 entry = TAILQ_NEXT(entry, entry);
2938 log_scroll_up(struct tog_log_view_state *s, int maxscroll)
2940 struct commit_queue_entry *entry;
2943 entry = TAILQ_FIRST(&s->commits->head);
2944 if (s->first_displayed_entry == entry)
2947 entry = s->first_displayed_entry;
2948 while (entry && nscrolled < maxscroll) {
2949 entry = TAILQ_PREV(entry, commit_queue_head, entry);
2951 s->first_displayed_entry = entry;
2957 static const struct got_error *
2958 trigger_log_thread(struct tog_view *view, int wait)
2960 struct tog_log_thread_args *ta = &view->state.log.thread_args;
2964 halfdelay(1); /* fast refresh while loading commits */
2966 while (!ta->log_complete && !tog_thread_error &&
2967 (ta->commits_needed > 0 || ta->load_all)) {
2968 /* Wake the log thread. */
2969 errcode = pthread_cond_signal(&ta->need_commits);
2971 return got_error_set_errno(errcode,
2972 "pthread_cond_signal");
2975 * The mutex will be released while the view loop waits
2976 * in wgetch(), at which time the log thread will run.
2981 /* Display progress update in log view. */
2982 show_log_view(view);
2986 /* Wait right here while next commit is being loaded. */
2987 errcode = pthread_cond_wait(&ta->commit_loaded, &tog_mutex);
2989 return got_error_set_errno(errcode,
2990 "pthread_cond_wait");
2992 /* Display progress update in log view. */
2993 show_log_view(view);
3001 static const struct got_error *
3002 request_log_commits(struct tog_view *view)
3004 struct tog_log_view_state *state = &view->state.log;
3005 const struct got_error *err = NULL;
3007 if (state->thread_args.log_complete)
3010 state->thread_args.commits_needed += view->nscrolled;
3011 err = trigger_log_thread(view, 1);
3012 view->nscrolled = 0;
3017 static const struct got_error *
3018 log_scroll_down(struct tog_view *view, int maxscroll)
3020 struct tog_log_view_state *s = &view->state.log;
3021 const struct got_error *err = NULL;
3022 struct commit_queue_entry *pentry;
3023 int nscrolled = 0, ncommits_needed;
3025 if (s->last_displayed_entry == NULL)
3028 ncommits_needed = s->last_displayed_entry->idx + 1 + maxscroll;
3029 if (s->commits->ncommits < ncommits_needed &&
3030 !s->thread_args.log_complete) {
3032 * Ask the log thread for required amount of commits.
3034 s->thread_args.commits_needed +=
3035 ncommits_needed - s->commits->ncommits;
3036 err = trigger_log_thread(view, 1);
3042 pentry = TAILQ_NEXT(s->last_displayed_entry, entry);
3043 if (pentry == NULL && view->mode != TOG_VIEW_SPLIT_HRZN)
3046 s->last_displayed_entry = pentry ?
3047 pentry : s->last_displayed_entry;
3049 pentry = TAILQ_NEXT(s->first_displayed_entry, entry);
3052 s->first_displayed_entry = pentry;
3053 } while (++nscrolled < maxscroll);
3055 if (view->mode == TOG_VIEW_SPLIT_HRZN && !s->thread_args.log_complete)
3056 view->nscrolled += nscrolled;
3058 view->nscrolled = 0;
3063 static const struct got_error *
3064 open_diff_view_for_commit(struct tog_view **new_view, int begin_y, int begin_x,
3065 struct got_commit_object *commit, struct got_object_id *commit_id,
3066 struct tog_view *log_view, struct got_repository *repo)
3068 const struct got_error *err;
3069 struct got_object_qid *parent_id;
3070 struct tog_view *diff_view;
3072 diff_view = view_open(0, 0, begin_y, begin_x, TOG_VIEW_DIFF);
3073 if (diff_view == NULL)
3074 return got_error_from_errno("view_open");
3076 parent_id = STAILQ_FIRST(got_object_commit_get_parent_ids(commit));
3077 err = open_diff_view(diff_view, parent_id ? &parent_id->id : NULL,
3078 commit_id, NULL, NULL, 3, 0, 0, log_view, repo);
3080 *new_view = diff_view;
3084 static const struct got_error *
3085 tree_view_visit_subtree(struct tog_tree_view_state *s,
3086 struct got_tree_object *subtree)
3088 struct tog_parent_tree *parent;
3090 parent = calloc(1, sizeof(*parent));
3092 return got_error_from_errno("calloc");
3094 parent->tree = s->tree;
3095 parent->first_displayed_entry = s->first_displayed_entry;
3096 parent->selected_entry = s->selected_entry;
3097 parent->selected = s->selected;
3098 TAILQ_INSERT_HEAD(&s->parents, parent, entry);
3101 s->first_displayed_entry = NULL;
3105 static const struct got_error *
3106 tree_view_walk_path(struct tog_tree_view_state *s,
3107 struct got_commit_object *commit, const char *path)
3109 const struct got_error *err = NULL;
3110 struct got_tree_object *tree = NULL;
3112 char *slash, *subpath = NULL;
3114 /* Walk the path and open corresponding tree objects. */
3117 struct got_tree_entry *te;
3118 struct got_object_id *tree_id;
3124 /* Ensure the correct subtree entry is selected. */
3125 slash = strchr(p, '/');
3127 te_name = strdup(p);
3129 te_name = strndup(p, slash - p);
3130 if (te_name == NULL) {
3131 err = got_error_from_errno("strndup");
3134 te = got_object_tree_find_entry(s->tree, te_name);
3136 err = got_error_path(te_name, GOT_ERR_NO_TREE_ENTRY);
3141 s->first_displayed_entry = s->selected_entry = te;
3143 if (!S_ISDIR(got_tree_entry_get_mode(s->selected_entry)))
3144 break; /* jump to this file's entry */
3146 slash = strchr(p, '/');
3148 subpath = strndup(path, slash - path);
3150 subpath = strdup(path);
3151 if (subpath == NULL) {
3152 err = got_error_from_errno("strdup");
3156 err = got_object_id_by_path(&tree_id, s->repo, commit,
3161 err = got_object_open_as_tree(&tree, s->repo, tree_id);
3166 err = tree_view_visit_subtree(s, tree);
3168 got_object_tree_close(tree);
3182 static const struct got_error *
3183 browse_commit_tree(struct tog_view **new_view, int begin_y, int begin_x,
3184 struct commit_queue_entry *entry, const char *path,
3185 const char *head_ref_name, struct got_repository *repo)
3187 const struct got_error *err = NULL;
3188 struct tog_tree_view_state *s;
3189 struct tog_view *tree_view;
3191 tree_view = view_open(0, 0, begin_y, begin_x, TOG_VIEW_TREE);
3192 if (tree_view == NULL)
3193 return got_error_from_errno("view_open");
3195 err = open_tree_view(tree_view, entry->id, head_ref_name, repo);
3198 s = &tree_view->state.tree;
3200 *new_view = tree_view;
3202 if (got_path_is_root_dir(path))
3205 return tree_view_walk_path(s, entry->commit, path);
3208 static const struct got_error *
3209 block_signals_used_by_main_thread(void)
3214 if (sigemptyset(&sigset) == -1)
3215 return got_error_from_errno("sigemptyset");
3217 /* tog handles SIGWINCH, SIGCONT, SIGINT, SIGTERM */
3218 if (sigaddset(&sigset, SIGWINCH) == -1)
3219 return got_error_from_errno("sigaddset");
3220 if (sigaddset(&sigset, SIGCONT) == -1)
3221 return got_error_from_errno("sigaddset");
3222 if (sigaddset(&sigset, SIGINT) == -1)
3223 return got_error_from_errno("sigaddset");
3224 if (sigaddset(&sigset, SIGTERM) == -1)
3225 return got_error_from_errno("sigaddset");
3227 /* ncurses handles SIGTSTP */
3228 if (sigaddset(&sigset, SIGTSTP) == -1)
3229 return got_error_from_errno("sigaddset");
3231 errcode = pthread_sigmask(SIG_BLOCK, &sigset, NULL);
3233 return got_error_set_errno(errcode, "pthread_sigmask");
3239 log_thread(void *arg)
3241 const struct got_error *err = NULL;
3243 struct tog_log_thread_args *a = arg;
3247 * Sync startup with main thread such that we begin our
3248 * work once view_input() has released the mutex.
3250 errcode = pthread_mutex_lock(&tog_mutex);
3252 err = got_error_set_errno(errcode, "pthread_mutex_lock");
3256 err = block_signals_used_by_main_thread();
3258 pthread_mutex_unlock(&tog_mutex);
3262 while (!done && !err && !tog_fatal_signal_received()) {
3263 errcode = pthread_mutex_unlock(&tog_mutex);
3265 err = got_error_set_errno(errcode,
3266 "pthread_mutex_unlock");
3269 err = queue_commits(a);
3271 if (err->code != GOT_ERR_ITER_COMPLETED)
3275 } else if (a->commits_needed > 0 && !a->load_all) {
3278 a->commits_needed--;
3280 a->commits_needed--;
3283 errcode = pthread_mutex_lock(&tog_mutex);
3285 err = got_error_set_errno(errcode,
3286 "pthread_mutex_lock");
3288 } else if (*a->quit)
3290 else if (*a->limiting && *a->first_displayed_entry == NULL) {
3291 *a->first_displayed_entry =
3292 TAILQ_FIRST(&a->limit_commits->head);
3293 *a->selected_entry = *a->first_displayed_entry;
3294 } else if (*a->first_displayed_entry == NULL) {
3295 *a->first_displayed_entry =
3296 TAILQ_FIRST(&a->real_commits->head);
3297 *a->selected_entry = *a->first_displayed_entry;
3300 errcode = pthread_cond_signal(&a->commit_loaded);
3302 err = got_error_set_errno(errcode,
3303 "pthread_cond_signal");
3304 pthread_mutex_unlock(&tog_mutex);
3309 a->commits_needed = 0;
3311 if (a->commits_needed == 0 && !a->load_all) {
3312 errcode = pthread_cond_wait(&a->need_commits,
3315 err = got_error_set_errno(errcode,
3316 "pthread_cond_wait");
3317 pthread_mutex_unlock(&tog_mutex);
3325 a->log_complete = 1;
3326 errcode = pthread_mutex_unlock(&tog_mutex);
3328 err = got_error_set_errno(errcode, "pthread_mutex_unlock");
3331 tog_thread_error = 1;
3332 pthread_cond_signal(&a->commit_loaded);
3337 static const struct got_error *
3338 stop_log_thread(struct tog_log_view_state *s)
3340 const struct got_error *err = NULL, *thread_err = NULL;
3345 errcode = pthread_cond_signal(&s->thread_args.need_commits);
3347 return got_error_set_errno(errcode,
3348 "pthread_cond_signal");
3349 errcode = pthread_mutex_unlock(&tog_mutex);
3351 return got_error_set_errno(errcode,
3352 "pthread_mutex_unlock");
3353 errcode = pthread_join(s->thread, (void **)&thread_err);
3355 return got_error_set_errno(errcode, "pthread_join");
3356 errcode = pthread_mutex_lock(&tog_mutex);
3358 return got_error_set_errno(errcode,
3359 "pthread_mutex_lock");
3363 if (s->thread_args.repo) {
3364 err = got_repo_close(s->thread_args.repo);
3365 s->thread_args.repo = NULL;
3368 if (s->thread_args.pack_fds) {
3369 const struct got_error *pack_err =
3370 got_repo_pack_fds_close(s->thread_args.pack_fds);
3373 s->thread_args.pack_fds = NULL;
3376 if (s->thread_args.graph) {
3377 got_commit_graph_close(s->thread_args.graph);
3378 s->thread_args.graph = NULL;
3381 return err ? err : thread_err;
3384 static const struct got_error *
3385 close_log_view(struct tog_view *view)
3387 const struct got_error *err = NULL;
3388 struct tog_log_view_state *s = &view->state.log;
3391 err = stop_log_thread(s);
3393 errcode = pthread_cond_destroy(&s->thread_args.need_commits);
3394 if (errcode && err == NULL)
3395 err = got_error_set_errno(errcode, "pthread_cond_destroy");
3397 errcode = pthread_cond_destroy(&s->thread_args.commit_loaded);
3398 if (errcode && err == NULL)
3399 err = got_error_set_errno(errcode, "pthread_cond_destroy");
3401 free_commits(&s->limit_commits);
3402 free_commits(&s->real_commits);
3403 free(s->in_repo_path);
3404 s->in_repo_path = NULL;
3407 free(s->head_ref_name);
3408 s->head_ref_name = NULL;
3413 * We use two queues to implement the limit feature: first consists of
3414 * commits matching the current limit_regex; second is the real queue
3415 * of all known commits (real_commits). When the user starts limiting,
3416 * we swap queues such that all movement and displaying functionality
3417 * works with very slight change.
3419 static const struct got_error *
3420 limit_log_view(struct tog_view *view)
3422 struct tog_log_view_state *s = &view->state.log;
3423 struct commit_queue_entry *entry;
3424 struct tog_view *v = view;
3425 const struct got_error *err = NULL;
3429 if (view_is_hsplit_top(view))
3431 else if (view->mode == TOG_VIEW_SPLIT_VERT && view->parent)
3434 /* Get the pattern */
3435 wmove(v->window, v->nlines - 1, 0);
3436 wclrtoeol(v->window);
3437 mvwaddstr(v->window, v->nlines - 1, 0, "&/");
3438 nodelay(v->window, FALSE);
3441 ret = wgetnstr(v->window, pattern, sizeof(pattern));
3444 nodelay(v->window, TRUE);
3448 if (*pattern == '\0') {
3450 * Safety measure for the situation where the user
3451 * resets limit without previously limiting anything.
3457 * User could have pressed Ctrl+L, which refreshed the
3458 * commit queues, it means we can't save previously
3459 * (before limit took place) displayed entries,
3460 * because they would point to already free'ed memory,
3461 * so we are forced to always select first entry of
3464 s->commits = &s->real_commits;
3465 s->first_displayed_entry = TAILQ_FIRST(&s->real_commits.head);
3466 s->selected_entry = s->first_displayed_entry;
3473 if (regcomp(&s->limit_regex, pattern, REG_EXTENDED | REG_NEWLINE))
3478 /* Clear the screen while loading limit view */
3479 s->first_displayed_entry = NULL;
3480 s->last_displayed_entry = NULL;
3481 s->selected_entry = NULL;
3482 s->commits = &s->limit_commits;
3484 /* Prepare limit queue for new search */
3485 free_commits(&s->limit_commits);
3486 s->limit_commits.ncommits = 0;
3488 /* First process commits, which are in queue already */
3489 TAILQ_FOREACH(entry, &s->real_commits.head, entry) {
3492 err = match_commit(&have_match, entry->id,
3493 entry->commit, &s->limit_regex);
3498 struct commit_queue_entry *matched;
3500 matched = alloc_commit_queue_entry(entry->commit,
3502 if (matched == NULL) {
3503 err = got_error_from_errno(
3504 "alloc_commit_queue_entry");
3507 matched->commit = entry->commit;
3508 got_object_commit_retain(entry->commit);
3510 matched->idx = s->limit_commits.ncommits;
3511 TAILQ_INSERT_TAIL(&s->limit_commits.head,
3513 s->limit_commits.ncommits++;
3517 /* Second process all the commits, until we fill the screen */
3518 if (s->limit_commits.ncommits < view->nlines - 1 &&
3519 !s->thread_args.log_complete) {
3520 s->thread_args.commits_needed +=
3521 view->nlines - s->limit_commits.ncommits - 1;
3522 err = trigger_log_thread(view, 1);
3527 s->first_displayed_entry = TAILQ_FIRST(&s->commits->head);
3528 s->selected_entry = TAILQ_FIRST(&s->commits->head);
3534 static const struct got_error *
3535 search_start_log_view(struct tog_view *view)
3537 struct tog_log_view_state *s = &view->state.log;
3539 s->matched_entry = NULL;
3540 s->search_entry = NULL;
3544 static const struct got_error *
3545 search_next_log_view(struct tog_view *view)
3547 const struct got_error *err = NULL;
3548 struct tog_log_view_state *s = &view->state.log;
3549 struct commit_queue_entry *entry;
3551 /* Display progress update in log view. */
3552 show_log_view(view);
3556 if (s->search_entry) {
3558 errcode = pthread_mutex_unlock(&tog_mutex);
3560 return got_error_set_errno(errcode,
3561 "pthread_mutex_unlock");
3562 ch = wgetch(view->window);
3563 errcode = pthread_mutex_lock(&tog_mutex);
3565 return got_error_set_errno(errcode,
3566 "pthread_mutex_lock");
3567 if (ch == CTRL('g') || ch == KEY_BACKSPACE) {
3568 view->search_next_done = TOG_SEARCH_HAVE_MORE;
3571 if (view->searching == TOG_SEARCH_FORWARD)
3572 entry = TAILQ_NEXT(s->search_entry, entry);
3574 entry = TAILQ_PREV(s->search_entry,
3575 commit_queue_head, entry);
3576 } else if (s->matched_entry) {
3578 * If the user has moved the cursor after we hit a match,
3579 * the position from where we should continue searching
3580 * might have changed.
3582 if (view->searching == TOG_SEARCH_FORWARD)
3583 entry = TAILQ_NEXT(s->selected_entry, entry);
3585 entry = TAILQ_PREV(s->selected_entry, commit_queue_head,
3588 entry = s->selected_entry;
3594 if (entry == NULL) {
3595 if (s->thread_args.log_complete ||
3596 view->searching == TOG_SEARCH_BACKWARD) {
3597 view->search_next_done =
3598 (s->matched_entry == NULL ?
3599 TOG_SEARCH_HAVE_NONE : TOG_SEARCH_NO_MORE);
3600 s->search_entry = NULL;
3604 * Poke the log thread for more commits and return,
3605 * allowing the main loop to make progress. Search
3606 * will resume at s->search_entry once we come back.
3608 s->thread_args.commits_needed++;
3609 return trigger_log_thread(view, 0);
3612 err = match_commit(&have_match, entry->id, entry->commit,
3617 view->search_next_done = TOG_SEARCH_HAVE_MORE;
3618 s->matched_entry = entry;
3622 s->search_entry = entry;
3623 if (view->searching == TOG_SEARCH_FORWARD)
3624 entry = TAILQ_NEXT(entry, entry);
3626 entry = TAILQ_PREV(entry, commit_queue_head, entry);
3629 if (s->matched_entry) {
3630 int cur = s->selected_entry->idx;
3631 while (cur < s->matched_entry->idx) {
3632 err = input_log_view(NULL, view, KEY_DOWN);
3637 while (cur > s->matched_entry->idx) {
3638 err = input_log_view(NULL, view, KEY_UP);
3645 s->search_entry = NULL;
3650 static const struct got_error *
3651 open_log_view(struct tog_view *view, struct got_object_id *start_id,
3652 struct got_repository *repo, const char *head_ref_name,
3653 const char *in_repo_path, int log_branches)
3655 const struct got_error *err = NULL;
3656 struct tog_log_view_state *s = &view->state.log;
3657 struct got_repository *thread_repo = NULL;
3658 struct got_commit_graph *thread_graph = NULL;
3661 if (in_repo_path != s->in_repo_path) {
3662 free(s->in_repo_path);
3663 s->in_repo_path = strdup(in_repo_path);
3664 if (s->in_repo_path == NULL) {
3665 err = got_error_from_errno("strdup");
3670 /* The commit queue only contains commits being displayed. */
3671 TAILQ_INIT(&s->real_commits.head);
3672 s->real_commits.ncommits = 0;
3673 s->commits = &s->real_commits;
3675 TAILQ_INIT(&s->limit_commits.head);
3677 s->limit_commits.ncommits = 0;
3680 if (head_ref_name) {
3681 s->head_ref_name = strdup(head_ref_name);
3682 if (s->head_ref_name == NULL) {
3683 err = got_error_from_errno("strdup");
3687 s->start_id = got_object_id_dup(start_id);
3688 if (s->start_id == NULL) {
3689 err = got_error_from_errno("got_object_id_dup");
3692 s->log_branches = log_branches;
3693 s->use_committer = 1;
3695 STAILQ_INIT(&s->colors);
3696 if (has_colors() && getenv("TOG_COLORS") != NULL) {
3697 err = add_color(&s->colors, "^$", TOG_COLOR_COMMIT,
3698 get_color_value("TOG_COLOR_COMMIT"));
3701 err = add_color(&s->colors, "^$", TOG_COLOR_AUTHOR,
3702 get_color_value("TOG_COLOR_AUTHOR"));
3704 free_colors(&s->colors);
3707 err = add_color(&s->colors, "^$", TOG_COLOR_DATE,
3708 get_color_value("TOG_COLOR_DATE"));
3710 free_colors(&s->colors);
3715 view->show = show_log_view;
3716 view->input = input_log_view;
3717 view->resize = resize_log_view;
3718 view->close = close_log_view;
3719 view->search_start = search_start_log_view;
3720 view->search_next = search_next_log_view;
3722 if (s->thread_args.pack_fds == NULL) {
3723 err = got_repo_pack_fds_open(&s->thread_args.pack_fds);
3727 err = got_repo_open(&thread_repo, got_repo_get_path(repo), NULL,
3728 s->thread_args.pack_fds);
3731 err = got_commit_graph_open(&thread_graph, s->in_repo_path,
3735 err = got_commit_graph_iter_start(thread_graph, s->start_id,
3736 s->repo, NULL, NULL);
3740 errcode = pthread_cond_init(&s->thread_args.need_commits, NULL);
3742 err = got_error_set_errno(errcode, "pthread_cond_init");
3745 errcode = pthread_cond_init(&s->thread_args.commit_loaded, NULL);
3747 err = got_error_set_errno(errcode, "pthread_cond_init");
3751 s->thread_args.commits_needed = view->nlines;
3752 s->thread_args.graph = thread_graph;
3753 s->thread_args.real_commits = &s->real_commits;
3754 s->thread_args.limit_commits = &s->limit_commits;
3755 s->thread_args.in_repo_path = s->in_repo_path;
3756 s->thread_args.start_id = s->start_id;
3757 s->thread_args.repo = thread_repo;
3758 s->thread_args.log_complete = 0;
3759 s->thread_args.quit = &s->quit;
3760 s->thread_args.first_displayed_entry = &s->first_displayed_entry;
3761 s->thread_args.selected_entry = &s->selected_entry;
3762 s->thread_args.searching = &view->searching;
3763 s->thread_args.search_next_done = &view->search_next_done;
3764 s->thread_args.regex = &view->regex;
3765 s->thread_args.limiting = &s->limit_view;
3766 s->thread_args.limit_regex = &s->limit_regex;
3767 s->thread_args.limit_commits = &s->limit_commits;
3770 if (view->close == NULL)
3771 close_log_view(view);
3777 static const struct got_error *
3778 show_log_view(struct tog_view *view)
3780 const struct got_error *err;
3781 struct tog_log_view_state *s = &view->state.log;
3783 if (s->thread == NULL) {
3784 int errcode = pthread_create(&s->thread, NULL, log_thread,
3787 return got_error_set_errno(errcode, "pthread_create");
3788 if (s->thread_args.commits_needed > 0) {
3789 err = trigger_log_thread(view, 1);
3795 return draw_commits(view);
3799 log_move_cursor_up(struct tog_view *view, int page, int home)
3801 struct tog_log_view_state *s = &view->state.log;
3803 if (s->first_displayed_entry == NULL)
3805 if (s->selected_entry->idx == 0)
3808 if ((page && TAILQ_FIRST(&s->commits->head) == s->first_displayed_entry)
3810 s->selected = home ? 0 : MAX(0, s->selected - page - 1);
3812 if (!page && !home && s->selected > 0)
3815 log_scroll_up(s, home ? s->commits->ncommits : MAX(page, 1));
3821 static const struct got_error *
3822 log_move_cursor_down(struct tog_view *view, int page)
3824 struct tog_log_view_state *s = &view->state.log;
3825 const struct got_error *err = NULL;
3826 int eos = view->nlines - 2;
3828 if (s->first_displayed_entry == NULL)
3831 if (s->thread_args.log_complete &&
3832 s->selected_entry->idx >= s->commits->ncommits - 1)
3835 if (view_is_hsplit_top(view))
3836 --eos; /* border consumes the last line */
3839 if (s->selected < MIN(eos, s->commits->ncommits - 1))
3842 err = log_scroll_down(view, 1);
3843 } else if (s->thread_args.load_all && s->thread_args.log_complete) {
3844 struct commit_queue_entry *entry;
3848 entry = TAILQ_LAST(&s->commits->head, commit_queue_head);
3849 s->last_displayed_entry = entry;
3850 for (n = 0; n <= eos; n++) {
3853 s->first_displayed_entry = entry;
3854 entry = TAILQ_PREV(entry, commit_queue_head, entry);
3857 s->selected = n - 1;
3859 if (s->last_displayed_entry->idx == s->commits->ncommits - 1 &&
3860 s->thread_args.log_complete)
3861 s->selected += MIN(page,
3862 s->commits->ncommits - s->selected_entry->idx - 1);
3864 err = log_scroll_down(view, page);
3870 * We might necessarily overshoot in horizontal
3871 * splits; if so, select the last displayed commit.
3873 if (s->first_displayed_entry && s->last_displayed_entry) {
3874 s->selected = MIN(s->selected,
3875 s->last_displayed_entry->idx -
3876 s->first_displayed_entry->idx);
3881 if (s->thread_args.log_complete &&
3882 s->selected_entry->idx == s->commits->ncommits - 1)
3889 view_get_split(struct tog_view *view, int *y, int *x)
3894 if (view->mode == TOG_VIEW_SPLIT_HRZN) {
3895 if (view->child && view->child->resized_y)
3896 *y = view->child->resized_y;
3897 else if (view->resized_y)
3898 *y = view->resized_y;
3900 *y = view_split_begin_y(view->lines);
3901 } else if (view->mode == TOG_VIEW_SPLIT_VERT) {
3902 if (view->child && view->child->resized_x)
3903 *x = view->child->resized_x;
3904 else if (view->resized_x)
3905 *x = view->resized_x;
3907 *x = view_split_begin_x(view->begin_x);
3911 /* Split view horizontally at y and offset view->state->selected line. */
3912 static const struct got_error *
3913 view_init_hsplit(struct tog_view *view, int y)
3915 const struct got_error *err = NULL;
3919 err = view_resize(view);
3923 err = offset_selection_down(view);
3928 static const struct got_error *
3929 log_goto_line(struct tog_view *view, int nlines)
3931 const struct got_error *err = NULL;
3932 struct tog_log_view_state *s = &view->state.log;
3933 int g, idx = s->selected_entry->idx;
3935 if (s->first_displayed_entry == NULL || s->last_displayed_entry == NULL)
3941 if (g >= s->first_displayed_entry->idx + 1 &&
3942 g <= s->last_displayed_entry->idx + 1 &&
3943 g - s->first_displayed_entry->idx - 1 < nlines) {
3944 s->selected = g - s->first_displayed_entry->idx - 1;
3950 err = log_move_cursor_down(view, g - idx - 1);
3951 if (!err && g > s->selected_entry->idx + 1)
3952 err = log_move_cursor_down(view,
3953 g - s->first_displayed_entry->idx - 1);
3956 } else if (idx + 1 > g)
3957 log_move_cursor_up(view, idx - g + 1, 0);
3959 if (g < nlines && s->first_displayed_entry->idx == 0)
3960 s->selected = g - 1;
3968 horizontal_scroll_input(struct tog_view *view, int ch)
3974 view->x -= MIN(view->x, 2);
3980 if (view->x + view->ncols / 2 < view->maxx)
3989 view->x = MAX(view->maxx - view->ncols / 2, 0);
3997 static const struct got_error *
3998 input_log_view(struct tog_view **new_view, struct tog_view *view, int ch)
4000 const struct got_error *err = NULL;
4001 struct tog_log_view_state *s = &view->state.log;
4004 if (s->thread_args.load_all) {
4005 if (ch == CTRL('g') || ch == KEY_BACKSPACE)
4006 s->thread_args.load_all = 0;
4007 else if (s->thread_args.log_complete) {
4008 err = log_move_cursor_down(view, s->commits->ncommits);
4009 s->thread_args.load_all = 0;
4015 eos = nscroll = view->nlines - 1;
4016 if (view_is_hsplit_top(view))
4020 return log_goto_line(view, eos);
4024 err = limit_log_view(view);
4035 horizontal_scroll_input(view, ch);
4042 log_move_cursor_up(view, 0, 0);
4047 log_move_cursor_up(view, 0, 1);
4057 log_move_cursor_up(view, nscroll, 0);
4064 err = log_move_cursor_down(view, 0);
4067 s->use_committer = !s->use_committer;
4068 view->action = s->use_committer ?
4069 "show committer" : "show commit author";
4074 /* We don't know yet how many commits, so we're forced to
4075 * traverse them all. */
4077 s->thread_args.load_all = 1;
4078 if (!s->thread_args.log_complete)
4079 return trigger_log_thread(view, 0);
4080 err = log_move_cursor_down(view, s->commits->ncommits);
4081 s->thread_args.load_all = 0;
4092 err = log_move_cursor_down(view, nscroll);
4095 if (s->selected > view->nlines - 2)
4096 s->selected = view->nlines - 2;
4097 if (s->selected > s->commits->ncommits - 1)
4098 s->selected = s->commits->ncommits - 1;
4100 if (s->commits->ncommits < view->nlines - 1 &&
4101 !s->thread_args.log_complete) {
4102 s->thread_args.commits_needed += (view->nlines - 1) -
4103 s->commits->ncommits;
4104 err = trigger_log_thread(view, 1);
4110 if (s->selected_entry == NULL)
4112 err = view_request_new(new_view, view, TOG_VIEW_DIFF);
4116 if (s->selected_entry == NULL)
4118 err = view_request_new(new_view, view, TOG_VIEW_TREE);
4124 if (ch == KEY_BACKSPACE &&
4125 got_path_is_root_dir(s->in_repo_path))
4127 err = stop_log_thread(s);
4130 if (ch == KEY_BACKSPACE) {
4132 err = got_path_dirname(&parent_path, s->in_repo_path);
4135 free(s->in_repo_path);
4136 s->in_repo_path = parent_path;
4137 s->thread_args.in_repo_path = s->in_repo_path;
4138 } else if (ch == CTRL('l')) {
4139 struct got_object_id *start_id;
4140 err = got_repo_match_object_id(&start_id, NULL,
4141 s->head_ref_name ? s->head_ref_name : GOT_REF_HEAD,
4142 GOT_OBJ_TYPE_COMMIT, &tog_refs, s->repo);
4144 if (s->head_ref_name == NULL ||
4145 err->code != GOT_ERR_NOT_REF)
4147 /* Try to cope with deleted references. */
4148 free(s->head_ref_name);
4149 s->head_ref_name = NULL;
4150 err = got_repo_match_object_id(&start_id,
4151 NULL, GOT_REF_HEAD, GOT_OBJ_TYPE_COMMIT,
4152 &tog_refs, s->repo);
4157 s->start_id = start_id;
4158 s->thread_args.start_id = s->start_id;
4160 s->log_branches = !s->log_branches;
4162 if (s->thread_args.pack_fds == NULL) {
4163 err = got_repo_pack_fds_open(&s->thread_args.pack_fds);
4167 err = got_repo_open(&s->thread_args.repo,
4168 got_repo_get_path(s->repo), NULL,
4169 s->thread_args.pack_fds);
4173 err = tog_load_refs(s->repo, 0);
4176 err = got_commit_graph_open(&s->thread_args.graph,
4177 s->in_repo_path, !s->log_branches);
4180 err = got_commit_graph_iter_start(s->thread_args.graph,
4181 s->start_id, s->repo, NULL, NULL);
4184 free_commits(&s->real_commits);
4185 free_commits(&s->limit_commits);
4186 s->first_displayed_entry = NULL;
4187 s->last_displayed_entry = NULL;
4188 s->selected_entry = NULL;
4190 s->thread_args.log_complete = 0;
4192 s->thread_args.commits_needed = view->lines;
4193 s->matched_entry = NULL;
4194 s->search_entry = NULL;
4199 err = view_request_new(new_view, view, TOG_VIEW_REF);
4209 static const struct got_error *
4210 apply_unveil(const char *repo_path, const char *worktree_path)
4212 const struct got_error *error;
4215 if (unveil("gmon.out", "rwc") != 0)
4216 return got_error_from_errno2("unveil", "gmon.out");
4218 if (repo_path && unveil(repo_path, "r") != 0)
4219 return got_error_from_errno2("unveil", repo_path);
4221 if (worktree_path && unveil(worktree_path, "rwc") != 0)
4222 return got_error_from_errno2("unveil", worktree_path);
4224 if (unveil(GOT_TMPDIR_STR, "rwc") != 0)
4225 return got_error_from_errno2("unveil", GOT_TMPDIR_STR);
4227 error = got_privsep_unveil_exec_helpers();
4231 if (unveil(NULL, NULL) != 0)
4232 return got_error_from_errno("unveil");
4237 static const struct got_error *
4238 init_mock_term(const char *test_script_path)
4240 const struct got_error *err = NULL;
4241 const char *screen_dump_path;
4244 if (test_script_path == NULL || *test_script_path == '\0')
4245 return got_error_msg(GOT_ERR_IO, "TOG_TEST_SCRIPT not defined");
4247 tog_io.f = fopen(test_script_path, "re");
4248 if (tog_io.f == NULL) {
4249 err = got_error_from_errno_fmt("fopen: %s",
4254 /* test mode, we don't want any output */
4255 tog_io.cout = fopen("/dev/null", "w+");
4256 if (tog_io.cout == NULL) {
4257 err = got_error_from_errno2("fopen", "/dev/null");
4261 in = dup(fileno(tog_io.cout));
4263 err = got_error_from_errno("dup");
4266 tog_io.cin = fdopen(in, "r");
4267 if (tog_io.cin == NULL) {
4268 err = got_error_from_errno("fdopen");
4273 screen_dump_path = getenv("TOG_SCR_DUMP");
4274 if (screen_dump_path == NULL || *screen_dump_path == '\0')
4275 return got_error_msg(GOT_ERR_IO, "TOG_SCR_DUMP not defined");
4276 tog_io.sdump = fopen(screen_dump_path, "wex");
4277 if (tog_io.sdump == NULL) {
4278 err = got_error_from_errno2("fopen", screen_dump_path);
4282 if (fseeko(tog_io.f, 0L, SEEK_SET) == -1) {
4283 err = got_error_from_errno("fseeko");
4287 if (newterm(NULL, tog_io.cout, tog_io.cin) == NULL)
4288 err = got_error_msg(GOT_ERR_IO,
4289 "newterm: failed to initialise curses");
4303 * Override default signal handlers before starting ncurses.
4304 * This should prevent ncurses from installing its own
4305 * broken cleanup() signal handler.
4307 signal(SIGWINCH, tog_sigwinch);
4308 signal(SIGPIPE, tog_sigpipe);
4309 signal(SIGCONT, tog_sigcont);
4310 signal(SIGINT, tog_sigint);
4311 signal(SIGTERM, tog_sigterm);
4313 if (using_mock_io) /* In test mode we use a fake terminal */
4319 halfdelay(1); /* Fast refresh while initial view is loading. */
4322 intrflush(stdscr, FALSE);
4323 keypad(stdscr, TRUE);
4325 if (getenv("TOG_COLORS") != NULL) {
4327 use_default_colors();
4333 static const struct got_error *
4334 get_in_repo_path_from_argv0(char **in_repo_path, int argc, char *argv[],
4335 struct got_repository *repo, struct got_worktree *worktree)
4337 const struct got_error *err = NULL;
4340 *in_repo_path = strdup("/");
4341 if (*in_repo_path == NULL)
4342 return got_error_from_errno("strdup");
4347 const char *prefix = got_worktree_get_path_prefix(worktree);
4350 err = got_worktree_resolve_path(&p, worktree, argv[0]);
4353 if (asprintf(in_repo_path, "%s%s%s", prefix,
4354 (p[0] != '\0' && !got_path_is_root_dir(prefix)) ? "/" : "",
4356 err = got_error_from_errno("asprintf");
4357 *in_repo_path = NULL;
4361 err = got_repo_map_path(in_repo_path, repo, argv[0]);
4366 static const struct got_error *
4367 cmd_log(int argc, char *argv[])
4369 const struct got_error *error;
4370 struct got_repository *repo = NULL;
4371 struct got_worktree *worktree = NULL;
4372 struct got_object_id *start_id = NULL;
4373 char *in_repo_path = NULL, *repo_path = NULL, *cwd = NULL;
4374 char *start_commit = NULL, *label = NULL;
4375 struct got_reference *ref = NULL;
4376 const char *head_ref_name = NULL;
4377 int ch, log_branches = 0;
4378 struct tog_view *view;
4379 int *pack_fds = NULL;
4381 while ((ch = getopt(argc, argv, "bc:r:")) != -1) {
4387 start_commit = optarg;
4390 repo_path = realpath(optarg, NULL);
4391 if (repo_path == NULL)
4392 return got_error_from_errno2("realpath",
4407 error = got_repo_pack_fds_open(&pack_fds);
4411 if (repo_path == NULL) {
4412 cwd = getcwd(NULL, 0);
4414 return got_error_from_errno("getcwd");
4415 error = got_worktree_open(&worktree, cwd);
4416 if (error && error->code != GOT_ERR_NOT_WORKTREE)
4420 strdup(got_worktree_get_repo_path(worktree));
4422 repo_path = strdup(cwd);
4423 if (repo_path == NULL) {
4424 error = got_error_from_errno("strdup");
4429 error = got_repo_open(&repo, repo_path, NULL, pack_fds);
4433 error = get_in_repo_path_from_argv0(&in_repo_path, argc, argv,
4440 error = apply_unveil(got_repo_get_path(repo),
4441 worktree ? got_worktree_get_root_path(worktree) : NULL);
4445 /* already loaded by tog_log_with_path()? */
4446 if (TAILQ_EMPTY(&tog_refs)) {
4447 error = tog_load_refs(repo, 0);
4452 if (start_commit == NULL) {
4453 error = got_repo_match_object_id(&start_id, &label,
4454 worktree ? got_worktree_get_head_ref_name(worktree) :
4455 GOT_REF_HEAD, GOT_OBJ_TYPE_COMMIT, &tog_refs, repo);
4458 head_ref_name = label;
4460 error = got_ref_open(&ref, repo, start_commit, 0);
4462 head_ref_name = got_ref_get_name(ref);
4463 else if (error->code != GOT_ERR_NOT_REF)
4465 error = got_repo_match_object_id(&start_id, NULL,
4466 start_commit, GOT_OBJ_TYPE_COMMIT, &tog_refs, repo);
4471 view = view_open(0, 0, 0, 0, TOG_VIEW_LOG);
4473 error = got_error_from_errno("view_open");
4476 error = open_log_view(view, start_id, repo, head_ref_name,
4477 in_repo_path, log_branches);
4481 /* Release work tree lock. */
4482 got_worktree_close(worktree);
4485 error = view_loop(view);
4495 const struct got_error *close_err = got_repo_close(repo);
4500 got_worktree_close(worktree);
4502 const struct got_error *pack_err =
4503 got_repo_pack_fds_close(pack_fds);
4515 fprintf(stderr, "usage: %s diff [-aw] [-C number] [-r repository-path] "
4516 "object1 object2\n", getprogname());
4521 match_line(const char *line, regex_t *regex, size_t nmatch,
4522 regmatch_t *regmatch)
4524 return regexec(regex, line, nmatch, regmatch, 0) == 0;
4527 static struct tog_color *
4528 match_color(struct tog_colors *colors, const char *line)
4530 struct tog_color *tc = NULL;
4532 STAILQ_FOREACH(tc, colors, entry) {
4533 if (match_line(line, &tc->regex, 0, NULL))
4540 static const struct got_error *
4541 add_matched_line(int *wtotal, const char *line, int wlimit, int col_tab_align,
4542 WINDOW *window, int skipcol, regmatch_t *regmatch)
4544 const struct got_error *err = NULL;
4546 wchar_t *wline = NULL;
4547 int rme, rms, n, width, scrollx;
4548 int width0 = 0, width1 = 0, width2 = 0;
4549 char *seg0 = NULL, *seg1 = NULL, *seg2 = NULL;
4553 rms = regmatch->rm_so;
4554 rme = regmatch->rm_eo;
4556 err = expand_tab(&exstr, line);
4560 /* Split the line into 3 segments, according to match offsets. */
4561 seg0 = strndup(exstr, rms);
4563 err = got_error_from_errno("strndup");
4566 seg1 = strndup(exstr + rms, rme - rms);
4568 err = got_error_from_errno("strndup");
4571 seg2 = strdup(exstr + rme);
4573 err = got_error_from_errno("strndup");
4577 /* draw up to matched token if we haven't scrolled past it */
4578 err = format_line(&wline, &width0, NULL, seg0, 0, wlimit,
4582 n = MAX(width0 - skipcol, 0);
4585 err = format_line(&wline, &width, &scrollx, seg0, skipcol,
4586 wlimit, col_tab_align, 1);
4589 waddwstr(window, &wline[scrollx]);
4599 err = format_line(&wline, &width1, NULL, seg1, 0, wlimit,
4603 wlen = wcslen(wline);
4605 width = wcwidth(wline[i]);
4607 /* should not happen, tabs are expanded */
4608 err = got_error(GOT_ERR_RANGE);
4611 if (width0 + w + width > skipcol)
4616 /* draw (visible part of) matched token (if scrolled into it) */
4617 if (width1 - w > 0) {
4618 wattron(window, A_STANDOUT);
4619 waddwstr(window, &wline[i]);
4620 wattroff(window, A_STANDOUT);
4621 wlimit -= (width1 - w);
4622 *wtotal += (width1 - w);
4626 if (wlimit > 0) { /* draw rest of line */
4628 if (skipcol > width0 + width1) {
4629 err = format_line(&wline, &width2, &scrollx, seg2,
4630 skipcol - (width0 + width1), wlimit,
4634 waddwstr(window, &wline[scrollx]);
4636 err = format_line(&wline, &width2, NULL, seg2, 0,
4637 wlimit, col_tab_align, 1);
4640 waddwstr(window, wline);
4654 gotoline(struct tog_view *view, int *lineno, int *nprinted)
4657 int *eof, *first, *selected;
4659 if (view->type == TOG_VIEW_DIFF) {
4660 struct tog_diff_view_state *s = &view->state.diff;
4662 first = &s->first_displayed_line;
4666 } else if (view->type == TOG_VIEW_HELP) {
4667 struct tog_help_view_state *s = &view->state.help;
4669 first = &s->first_displayed_line;
4673 } else if (view->type == TOG_VIEW_BLAME) {
4674 struct tog_blame_view_state *s = &view->state.blame;
4676 first = &s->first_displayed_line;
4677 selected = &s->selected_line;
4683 /* Center gline in the middle of the page like vi(1). */
4684 if (*lineno < view->gline - (view->nlines - 3) / 2)
4686 if (*first != 1 && (*lineno > view->gline - (view->nlines - 3) / 2)) {
4695 *selected = view->gline <= (view->nlines - 3) / 2 ?
4696 view->gline : (view->nlines - 3) / 2 + 1;
4702 static const struct got_error *
4703 draw_file(struct tog_view *view, const char *header)
4705 struct tog_diff_view_state *s = &view->state.diff;
4706 regmatch_t *regmatch = &view->regmatch;
4707 const struct got_error *err;
4710 size_t linesize = 0;
4714 int max_lines = view->nlines;
4715 int nlines = s->nlines;
4718 s->lineno = s->first_displayed_line - 1;
4719 line_offset = s->lines[s->first_displayed_line - 1].offset;
4720 if (fseeko(s->f, line_offset, SEEK_SET) == -1)
4721 return got_error_from_errno("fseek");
4723 werase(view->window);
4725 if (view->gline > s->nlines - 1)
4726 view->gline = s->nlines - 1;
4729 int ln = view->gline ? view->gline <= (view->nlines - 3) / 2 ?
4730 1 : view->gline - (view->nlines - 3) / 2 :
4731 s->lineno + s->selected_line;
4733 if (asprintf(&line, "[%d/%d] %s", ln, nlines, header) == -1)
4734 return got_error_from_errno("asprintf");
4735 err = format_line(&wline, &width, NULL, line, 0, view->ncols,
4741 if (view_needs_focus_indication(view))
4742 wstandout(view->window);
4743 waddwstr(view->window, wline);
4746 while (width++ < view->ncols)
4747 waddch(view->window, ' ');
4748 if (view_needs_focus_indication(view))
4749 wstandend(view->window);
4759 while (max_lines > 0 && nprinted < max_lines) {
4760 enum got_diff_line_type linetype;
4763 linelen = getline(&line, &linesize, s->f);
4764 if (linelen == -1) {
4770 return got_ferror(s->f, GOT_ERR_IO);
4773 if (++s->lineno < s->first_displayed_line)
4775 if (view->gline && !gotoline(view, &s->lineno, &nprinted))
4777 if (s->lineno == view->hiline)
4780 /* Set view->maxx based on full line length. */
4781 err = format_line(&wline, &width, NULL, line, 0, INT_MAX, 0,
4787 view->maxx = MAX(view->maxx, width);
4791 linetype = s->lines[s->lineno].type;
4792 if (linetype > GOT_DIFF_LINE_LOGMSG &&
4793 linetype < GOT_DIFF_LINE_CONTEXT)
4794 attr |= COLOR_PAIR(linetype);
4796 wattron(view->window, attr);
4797 if (s->first_displayed_line + nprinted == s->matched_line &&
4798 regmatch->rm_so >= 0 && regmatch->rm_so < regmatch->rm_eo) {
4799 err = add_matched_line(&width, line, view->ncols, 0,
4800 view->window, view->x, regmatch);
4807 err = format_line(&wline, &width, &skip, line,
4808 view->x, view->ncols, 0, view->x ? 1 : 0);
4813 waddwstr(view->window, &wline[skip]);
4817 if (s->lineno == view->hiline) {
4818 /* highlight full gline length */
4819 while (width++ < view->ncols)
4820 waddch(view->window, ' ');
4822 if (width <= view->ncols - 1)
4823 waddch(view->window, '\n');
4826 wattroff(view->window, attr);
4827 if (++nprinted == 1)
4828 s->first_displayed_line = s->lineno;
4832 s->last_displayed_line = s->first_displayed_line +
4835 s->last_displayed_line = s->first_displayed_line;
4840 while (nprinted < view->nlines) {
4841 waddch(view->window, '\n');
4845 err = format_line(&wline, &width, NULL, TOG_EOF_STRING, 0,
4851 wstandout(view->window);
4852 waddwstr(view->window, wline);
4855 wstandend(view->window);
4862 get_datestr(time_t *time, char *datebuf)
4864 struct tm mytm, *tm;
4867 tm = gmtime_r(time, &mytm);
4870 s = asctime_r(tm, datebuf);
4873 p = strchr(s, '\n');
4879 static const struct got_error *
4880 add_line_metadata(struct got_diff_line **lines, size_t *nlines,
4881 off_t off, uint8_t type)
4883 struct got_diff_line *p;
4885 p = reallocarray(*lines, *nlines + 1, sizeof(**lines));
4887 return got_error_from_errno("reallocarray");
4889 (*lines)[*nlines].offset = off;
4890 (*lines)[*nlines].type = type;
4896 static const struct got_error *
4897 cat_diff(FILE *dst, FILE *src, struct got_diff_line **d_lines, size_t *d_nlines,
4898 struct got_diff_line *s_lines, size_t s_nlines)
4900 struct got_diff_line *p;
4904 if (fseeko(src, 0L, SEEK_SET) == -1)
4905 return got_error_from_errno("fseeko");
4908 r = fread(buf, 1, sizeof(buf), src);
4911 return got_error_from_errno("fread");
4915 if (fwrite(buf, 1, r, dst) != r)
4916 return got_ferror(dst, GOT_ERR_IO);
4919 if (s_nlines == 0 && *d_nlines == 0)
4923 * If commit info was in dst, increment line offsets
4924 * of the appended diff content, but skip s_lines[0]
4925 * because offset zero is already in *d_lines.
4927 if (*d_nlines > 0) {
4928 for (i = 1; i < s_nlines; ++i)
4929 s_lines[i].offset += (*d_lines)[*d_nlines - 1].offset;
4937 p = reallocarray(*d_lines, *d_nlines + s_nlines, sizeof(*p));
4939 /* d_lines is freed in close_diff_view() */
4940 return got_error_from_errno("reallocarray");
4945 memcpy(*d_lines + *d_nlines, s_lines, s_nlines * sizeof(*s_lines));
4946 *d_nlines += s_nlines;
4951 static const struct got_error *
4952 write_commit_info(struct got_diff_line **lines, size_t *nlines,
4953 struct got_object_id *commit_id, struct got_reflist_head *refs,
4954 struct got_repository *repo, int ignore_ws, int force_text_diff,
4955 struct got_diffstat_cb_arg *dsa, FILE *outfile)
4957 const struct got_error *err = NULL;
4958 char datebuf[26], *datestr;
4959 struct got_commit_object *commit;
4960 char *id_str = NULL, *logmsg = NULL, *s = NULL, *line;
4961 time_t committer_time;
4962 const char *author, *committer;
4963 char *refs_str = NULL;
4964 struct got_pathlist_entry *pe;
4969 err = build_refs_str(&refs_str, refs, commit_id, repo);
4974 err = got_object_open_as_commit(&commit, repo, commit_id);
4978 err = got_object_id_str(&id_str, commit_id);
4980 err = got_error_from_errno("got_object_id_str");
4984 err = add_line_metadata(lines, nlines, 0, GOT_DIFF_LINE_NONE);
4988 n = fprintf(outfile, "commit %s%s%s%s\n", id_str, refs_str ? " (" : "",
4989 refs_str ? refs_str : "", refs_str ? ")" : "");
4991 err = got_error_from_errno("fprintf");
4995 err = add_line_metadata(lines, nlines, outoff, GOT_DIFF_LINE_META);
4999 n = fprintf(outfile, "from: %s\n",
5000 got_object_commit_get_author(commit));
5002 err = got_error_from_errno("fprintf");
5006 err = add_line_metadata(lines, nlines, outoff, GOT_DIFF_LINE_AUTHOR);
5010 author = got_object_commit_get_author(commit);
5011 committer = got_object_commit_get_committer(commit);
5012 if (strcmp(author, committer) != 0) {
5013 n = fprintf(outfile, "via: %s\n", committer);
5015 err = got_error_from_errno("fprintf");
5019 err = add_line_metadata(lines, nlines, outoff,
5020 GOT_DIFF_LINE_AUTHOR);
5024 committer_time = got_object_commit_get_committer_time(commit);
5025 datestr = get_datestr(&committer_time, datebuf);
5027 n = fprintf(outfile, "date: %s UTC\n", datestr);
5029 err = got_error_from_errno("fprintf");
5033 err = add_line_metadata(lines, nlines, outoff,
5034 GOT_DIFF_LINE_DATE);
5038 if (got_object_commit_get_nparents(commit) > 1) {
5039 const struct got_object_id_queue *parent_ids;
5040 struct got_object_qid *qid;
5042 parent_ids = got_object_commit_get_parent_ids(commit);
5043 STAILQ_FOREACH(qid, parent_ids, entry) {
5044 err = got_object_id_str(&id_str, &qid->id);
5047 n = fprintf(outfile, "parent %d: %s\n", pn++, id_str);
5049 err = got_error_from_errno("fprintf");
5053 err = add_line_metadata(lines, nlines, outoff,
5054 GOT_DIFF_LINE_META);
5062 err = got_object_commit_get_logmsg(&logmsg, commit);
5066 while ((line = strsep(&s, "\n")) != NULL) {
5067 n = fprintf(outfile, "%s\n", line);
5069 err = got_error_from_errno("fprintf");
5073 err = add_line_metadata(lines, nlines, outoff,
5074 GOT_DIFF_LINE_LOGMSG);
5079 TAILQ_FOREACH(pe, dsa->paths, entry) {
5080 struct got_diff_changed_path *cp = pe->data;
5081 int pad = dsa->max_path_len - pe->path_len + 1;
5083 n = fprintf(outfile, "%c %s%*c | %*d+ %*d-\n", cp->status,
5084 pe->path, pad, ' ', dsa->add_cols + 1, cp->add,
5085 dsa->rm_cols + 1, cp->rm);
5087 err = got_error_from_errno("fprintf");
5091 err = add_line_metadata(lines, nlines, outoff,
5092 GOT_DIFF_LINE_CHANGES);
5097 fputc('\n', outfile);
5099 err = add_line_metadata(lines, nlines, outoff, GOT_DIFF_LINE_NONE);
5103 n = fprintf(outfile,
5104 "%d file%s changed, %d insertion%s(+), %d deletion%s(-)\n",
5105 dsa->nfiles, dsa->nfiles > 1 ? "s" : "", dsa->ins,
5106 dsa->ins != 1 ? "s" : "", dsa->del, dsa->del != 1 ? "s" : "");
5108 err = got_error_from_errno("fprintf");
5112 err = add_line_metadata(lines, nlines, outoff, GOT_DIFF_LINE_NONE);
5116 fputc('\n', outfile);
5118 err = add_line_metadata(lines, nlines, outoff, GOT_DIFF_LINE_NONE);
5123 got_object_commit_close(commit);
5132 static const struct got_error *
5133 create_diff(struct tog_diff_view_state *s)
5135 const struct got_error *err = NULL;
5136 FILE *f = NULL, *tmp_diff_file = NULL;
5138 struct got_diff_line *lines = NULL;
5139 struct got_pathlist_head changed_paths;
5141 TAILQ_INIT(&changed_paths);
5144 s->lines = malloc(sizeof(*s->lines));
5145 if (s->lines == NULL)
5146 return got_error_from_errno("malloc");
5151 err = got_error_from_errno("got_opentemp");
5154 tmp_diff_file = got_opentemp();
5155 if (tmp_diff_file == NULL) {
5156 err = got_error_from_errno("got_opentemp");
5159 if (s->f && fclose(s->f) == EOF) {
5160 err = got_error_from_errno("fclose");
5166 err = got_object_get_type(&obj_type, s->repo, s->id1);
5168 err = got_object_get_type(&obj_type, s->repo, s->id2);
5173 case GOT_OBJ_TYPE_BLOB:
5174 err = got_diff_objects_as_blobs(&s->lines, &s->nlines,
5175 s->f1, s->f2, s->fd1, s->fd2, s->id1, s->id2,
5176 s->label1, s->label2, tog_diff_algo, s->diff_context,
5177 s->ignore_whitespace, s->force_text_diff, NULL, s->repo,
5180 case GOT_OBJ_TYPE_TREE:
5181 err = got_diff_objects_as_trees(&s->lines, &s->nlines,
5182 s->f1, s->f2, s->fd1, s->fd2, s->id1, s->id2, NULL, "", "",
5183 tog_diff_algo, s->diff_context, s->ignore_whitespace,
5184 s->force_text_diff, NULL, s->repo, s->f);
5186 case GOT_OBJ_TYPE_COMMIT: {
5187 const struct got_object_id_queue *parent_ids;
5188 struct got_object_qid *pid;
5189 struct got_commit_object *commit2;
5190 struct got_reflist_head *refs;
5192 struct got_diffstat_cb_arg dsa = {
5195 s->ignore_whitespace,
5200 lines = malloc(sizeof(*lines));
5201 if (lines == NULL) {
5202 err = got_error_from_errno("malloc");
5206 /* build diff first in tmp file then append to commit info */
5207 err = got_diff_objects_as_commits(&lines, &nlines,
5208 s->f1, s->f2, s->fd1, s->fd2, s->id1, s->id2, NULL,
5209 tog_diff_algo, s->diff_context, s->ignore_whitespace,
5210 s->force_text_diff, &dsa, s->repo, tmp_diff_file);
5214 err = got_object_open_as_commit(&commit2, s->repo, s->id2);
5217 refs = got_reflist_object_id_map_lookup(tog_refs_idmap, s->id2);
5218 /* Show commit info if we're diffing to a parent/root commit. */
5219 if (s->id1 == NULL) {
5220 err = write_commit_info(&s->lines, &s->nlines, s->id2,
5221 refs, s->repo, s->ignore_whitespace,
5222 s->force_text_diff, &dsa, s->f);
5226 parent_ids = got_object_commit_get_parent_ids(commit2);
5227 STAILQ_FOREACH(pid, parent_ids, entry) {
5228 if (got_object_id_cmp(s->id1, &pid->id) == 0) {
5229 err = write_commit_info(&s->lines,
5230 &s->nlines, s->id2, refs, s->repo,
5231 s->ignore_whitespace,
5232 s->force_text_diff, &dsa, s->f);
5239 got_object_commit_close(commit2);
5241 err = cat_diff(s->f, tmp_diff_file, &s->lines, &s->nlines,
5246 err = got_error(GOT_ERR_OBJ_TYPE);
5251 got_pathlist_free(&changed_paths, GOT_PATHLIST_FREE_ALL);
5252 if (s->f && fflush(s->f) != 0 && err == NULL)
5253 err = got_error_from_errno("fflush");
5254 if (tmp_diff_file && fclose(tmp_diff_file) == EOF && err == NULL)
5255 err = got_error_from_errno("fclose");
5260 diff_view_indicate_progress(struct tog_view *view)
5262 mvwaddstr(view->window, 0, 0, "diffing...");
5267 static const struct got_error *
5268 search_start_diff_view(struct tog_view *view)
5270 struct tog_diff_view_state *s = &view->state.diff;
5272 s->matched_line = 0;
5277 search_setup_diff_view(struct tog_view *view, FILE **f, off_t **line_offsets,
5278 size_t *nlines, int **first, int **last, int **match, int **selected)
5280 struct tog_diff_view_state *s = &view->state.diff;
5283 *nlines = s->nlines;
5284 *line_offsets = NULL;
5285 *match = &s->matched_line;
5286 *first = &s->first_displayed_line;
5287 *last = &s->last_displayed_line;
5288 *selected = &s->selected_line;
5291 static const struct got_error *
5292 search_next_view_match(struct tog_view *view)
5294 const struct got_error *err = NULL;
5298 size_t linesize = 0;
5300 off_t *line_offsets;
5302 int *first, *last, *match, *selected;
5304 if (!view->search_setup)
5305 return got_error_msg(GOT_ERR_NOT_IMPL,
5306 "view search not supported");
5307 view->search_setup(view, &f, &line_offsets, &nlines, &first, &last,
5310 if (!view->searching) {
5311 view->search_next_done = TOG_SEARCH_HAVE_MORE;
5316 if (view->searching == TOG_SEARCH_FORWARD)
5317 lineno = *first + 1;
5319 lineno = *first - 1;
5321 lineno = *first - 1 + *selected;
5326 if (lineno <= 0 || lineno > nlines) {
5328 view->search_next_done = TOG_SEARCH_HAVE_MORE;
5332 if (view->searching == TOG_SEARCH_FORWARD)
5338 offset = view->type == TOG_VIEW_DIFF ?
5339 view->state.diff.lines[lineno - 1].offset :
5340 line_offsets[lineno - 1];
5341 if (fseeko(f, offset, SEEK_SET) != 0) {
5343 return got_error_from_errno("fseeko");
5345 linelen = getline(&line, &linesize, f);
5346 if (linelen != -1) {
5348 err = expand_tab(&exstr, line);
5351 if (match_line(exstr, &view->regex, 1,
5353 view->search_next_done = TOG_SEARCH_HAVE_MORE;
5360 if (view->searching == TOG_SEARCH_FORWARD)
5375 static const struct got_error *
5376 close_diff_view(struct tog_view *view)
5378 const struct got_error *err = NULL;
5379 struct tog_diff_view_state *s = &view->state.diff;
5385 if (s->f && fclose(s->f) == EOF)
5386 err = got_error_from_errno("fclose");
5388 if (s->f1 && fclose(s->f1) == EOF && err == NULL)
5389 err = got_error_from_errno("fclose");
5391 if (s->f2 && fclose(s->f2) == EOF && err == NULL)
5392 err = got_error_from_errno("fclose");
5394 if (s->fd1 != -1 && close(s->fd1) == -1 && err == NULL)
5395 err = got_error_from_errno("close");
5397 if (s->fd2 != -1 && close(s->fd2) == -1 && err == NULL)
5398 err = got_error_from_errno("close");
5406 static const struct got_error *
5407 open_diff_view(struct tog_view *view, struct got_object_id *id1,
5408 struct got_object_id *id2, const char *label1, const char *label2,
5409 int diff_context, int ignore_whitespace, int force_text_diff,
5410 struct tog_view *parent_view, struct got_repository *repo)
5412 const struct got_error *err;
5413 struct tog_diff_view_state *s = &view->state.diff;
5415 memset(s, 0, sizeof(*s));
5419 if (id1 != NULL && id2 != NULL) {
5422 err = got_object_get_type(&type1, repo, id1);
5425 err = got_object_get_type(&type2, repo, id2);
5429 if (type1 != type2) {
5430 err = got_error(GOT_ERR_OBJ_TYPE);
5434 s->first_displayed_line = 1;
5435 s->last_displayed_line = view->nlines;
5436 s->selected_line = 1;
5444 s->id1 = got_object_id_dup(id1);
5445 if (s->id1 == NULL) {
5446 err = got_error_from_errno("got_object_id_dup");
5452 s->id2 = got_object_id_dup(id2);
5453 if (s->id2 == NULL) {
5454 err = got_error_from_errno("got_object_id_dup");
5458 s->f1 = got_opentemp();
5459 if (s->f1 == NULL) {
5460 err = got_error_from_errno("got_opentemp");
5464 s->f2 = got_opentemp();
5465 if (s->f2 == NULL) {
5466 err = got_error_from_errno("got_opentemp");
5470 s->fd1 = got_opentempfd();
5472 err = got_error_from_errno("got_opentempfd");
5476 s->fd2 = got_opentempfd();
5478 err = got_error_from_errno("got_opentempfd");
5482 s->diff_context = diff_context;
5483 s->ignore_whitespace = ignore_whitespace;
5484 s->force_text_diff = force_text_diff;
5485 s->parent_view = parent_view;
5488 if (has_colors() && getenv("TOG_COLORS") != NULL && !using_mock_io) {
5491 rc = init_pair(GOT_DIFF_LINE_MINUS,
5492 get_color_value("TOG_COLOR_DIFF_MINUS"), -1);
5494 rc = init_pair(GOT_DIFF_LINE_PLUS,
5495 get_color_value("TOG_COLOR_DIFF_PLUS"), -1);
5497 rc = init_pair(GOT_DIFF_LINE_HUNK,
5498 get_color_value("TOG_COLOR_DIFF_CHUNK_HEADER"), -1);
5500 rc = init_pair(GOT_DIFF_LINE_META,
5501 get_color_value("TOG_COLOR_DIFF_META"), -1);
5503 rc = init_pair(GOT_DIFF_LINE_CHANGES,
5504 get_color_value("TOG_COLOR_DIFF_META"), -1);
5506 rc = init_pair(GOT_DIFF_LINE_BLOB_MIN,
5507 get_color_value("TOG_COLOR_DIFF_META"), -1);
5509 rc = init_pair(GOT_DIFF_LINE_BLOB_PLUS,
5510 get_color_value("TOG_COLOR_DIFF_META"), -1);
5512 rc = init_pair(GOT_DIFF_LINE_AUTHOR,
5513 get_color_value("TOG_COLOR_AUTHOR"), -1);
5515 rc = init_pair(GOT_DIFF_LINE_DATE,
5516 get_color_value("TOG_COLOR_DATE"), -1);
5518 err = got_error(GOT_ERR_RANGE);
5523 if (parent_view && parent_view->type == TOG_VIEW_LOG &&
5524 view_is_splitscreen(view))
5525 show_log_view(parent_view); /* draw border */
5526 diff_view_indicate_progress(view);
5528 err = create_diff(s);
5530 view->show = show_diff_view;
5531 view->input = input_diff_view;
5532 view->reset = reset_diff_view;
5533 view->close = close_diff_view;
5534 view->search_start = search_start_diff_view;
5535 view->search_setup = search_setup_diff_view;
5536 view->search_next = search_next_view_match;
5539 if (view->close == NULL)
5540 close_diff_view(view);
5546 static const struct got_error *
5547 show_diff_view(struct tog_view *view)
5549 const struct got_error *err;
5550 struct tog_diff_view_state *s = &view->state.diff;
5551 char *id_str1 = NULL, *id_str2, *header;
5552 const char *label1, *label2;
5555 err = got_object_id_str(&id_str1, s->id1);
5558 label1 = s->label1 ? s->label1 : id_str1;
5560 label1 = "/dev/null";
5562 err = got_object_id_str(&id_str2, s->id2);
5565 label2 = s->label2 ? s->label2 : id_str2;
5567 if (asprintf(&header, "diff %s %s", label1, label2) == -1) {
5568 err = got_error_from_errno("asprintf");
5576 err = draw_file(view, header);
5581 static const struct got_error *
5582 set_selected_commit(struct tog_diff_view_state *s,
5583 struct commit_queue_entry *entry)
5585 const struct got_error *err;
5586 const struct got_object_id_queue *parent_ids;
5587 struct got_commit_object *selected_commit;
5588 struct got_object_qid *pid;
5591 s->id2 = got_object_id_dup(entry->id);
5593 return got_error_from_errno("got_object_id_dup");
5595 err = got_object_open_as_commit(&selected_commit, s->repo, entry->id);
5598 parent_ids = got_object_commit_get_parent_ids(selected_commit);
5600 pid = STAILQ_FIRST(parent_ids);
5601 s->id1 = pid ? got_object_id_dup(&pid->id) : NULL;
5602 got_object_commit_close(selected_commit);
5606 static const struct got_error *
5607 reset_diff_view(struct tog_view *view)
5609 struct tog_diff_view_state *s = &view->state.diff;
5612 wclear(view->window);
5613 s->first_displayed_line = 1;
5614 s->last_displayed_line = view->nlines;
5615 s->matched_line = 0;
5616 diff_view_indicate_progress(view);
5617 return create_diff(s);
5621 diff_prev_index(struct tog_diff_view_state *s, enum got_diff_line_type type)
5625 i = start = s->first_displayed_line - 1;
5627 while (s->lines[i].type != type) {
5631 return; /* do nothing, requested type not in file */
5634 s->selected_line = 1;
5635 s->first_displayed_line = i;
5639 diff_next_index(struct tog_diff_view_state *s, enum got_diff_line_type type)
5643 i = start = s->first_displayed_line + 1;
5645 while (s->lines[i].type != type) {
5646 if (i == s->nlines - 1)
5649 return; /* do nothing, requested type not in file */
5652 s->selected_line = 1;
5653 s->first_displayed_line = i;
5656 static struct got_object_id *get_selected_commit_id(struct tog_blame_line *,
5658 static struct got_object_id *get_annotation_for_line(struct tog_blame_line *,
5661 static const struct got_error *
5662 input_diff_view(struct tog_view **new_view, struct tog_view *view, int ch)
5664 const struct got_error *err = NULL;
5665 struct tog_diff_view_state *s = &view->state.diff;
5666 struct tog_log_view_state *ls;
5667 struct commit_queue_entry *old_selected_entry;
5669 size_t linesize = 0;
5671 int i, nscroll = view->nlines - 1, up = 0;
5673 s->lineno = s->first_displayed_line - 1 + s->selected_line;
5682 horizontal_scroll_input(view, ch);
5687 s->force_text_diff = !s->force_text_diff;
5688 view->action = s->force_text_diff ?
5689 "force ASCII text enabled" :
5690 "force ASCII text disabled";
5692 else if (ch == 'w') {
5693 s->ignore_whitespace = !s->ignore_whitespace;
5694 view->action = s->ignore_whitespace ?
5695 "ignore whitespace enabled" :
5696 "ignore whitespace disabled";
5698 err = reset_diff_view(view);
5702 s->first_displayed_line = 1;
5711 s->first_displayed_line = (s->nlines - view->nlines) + 2;
5717 if (s->first_displayed_line > 1)
5718 s->first_displayed_line--;
5729 if (s->first_displayed_line == 1) {
5734 while (i++ < nscroll && s->first_displayed_line > 1)
5735 s->first_displayed_line--;
5741 s->first_displayed_line++;
5758 while (!s->eof && i++ < nscroll) {
5759 linelen = getline(&line, &linesize, s->f);
5760 s->first_displayed_line++;
5761 if (linelen == -1) {
5765 err = got_ferror(s->f, GOT_ERR_IO);
5772 diff_prev_index(s, GOT_DIFF_LINE_BLOB_MIN);
5775 diff_next_index(s, GOT_DIFF_LINE_BLOB_MIN);
5778 diff_prev_index(s, GOT_DIFF_LINE_HUNK);
5781 diff_next_index(s, GOT_DIFF_LINE_HUNK);
5784 if (s->diff_context > 0) {
5786 s->matched_line = 0;
5787 diff_view_indicate_progress(view);
5788 err = create_diff(s);
5789 if (s->first_displayed_line + view->nlines - 1 >
5791 s->first_displayed_line = 1;
5792 s->last_displayed_line = view->nlines;
5798 if (s->diff_context < GOT_DIFF_MAX_CONTEXT) {
5800 s->matched_line = 0;
5801 diff_view_indicate_progress(view);
5802 err = create_diff(s);
5814 if (s->parent_view == NULL) {
5818 s->parent_view->count = view->count;
5820 if (s->parent_view->type == TOG_VIEW_LOG) {
5821 ls = &s->parent_view->state.log;
5822 old_selected_entry = ls->selected_entry;
5824 err = input_log_view(NULL, s->parent_view,
5825 up ? KEY_UP : KEY_DOWN);
5828 view->count = s->parent_view->count;
5830 if (old_selected_entry == ls->selected_entry)
5833 err = set_selected_commit(s, ls->selected_entry);
5836 } else if (s->parent_view->type == TOG_VIEW_BLAME) {
5837 struct tog_blame_view_state *bs;
5838 struct got_object_id *id, *prev_id;
5840 bs = &s->parent_view->state.blame;
5841 prev_id = get_annotation_for_line(bs->blame.lines,
5842 bs->blame.nlines, bs->last_diffed_line);
5844 err = input_blame_view(&view, s->parent_view,
5845 up ? KEY_UP : KEY_DOWN);
5848 view->count = s->parent_view->count;
5850 if (prev_id == NULL)
5852 id = get_selected_commit_id(bs->blame.lines,
5853 bs->blame.nlines, bs->first_displayed_line,
5858 if (!got_object_id_cmp(prev_id, id))
5861 err = input_blame_view(&view, s->parent_view, KEY_ENTER);
5865 s->first_displayed_line = 1;
5866 s->last_displayed_line = view->nlines;
5867 s->matched_line = 0;
5870 diff_view_indicate_progress(view);
5871 err = create_diff(s);
5881 static const struct got_error *
5882 cmd_diff(int argc, char *argv[])
5884 const struct got_error *error;
5885 struct got_repository *repo = NULL;
5886 struct got_worktree *worktree = NULL;
5887 struct got_object_id *id1 = NULL, *id2 = NULL;
5888 char *repo_path = NULL, *cwd = NULL;
5889 char *id_str1 = NULL, *id_str2 = NULL;
5890 char *label1 = NULL, *label2 = NULL;
5891 int diff_context = 3, ignore_whitespace = 0;
5892 int ch, force_text_diff = 0;
5894 struct tog_view *view;
5895 int *pack_fds = NULL;
5897 while ((ch = getopt(argc, argv, "aC:r:w")) != -1) {
5900 force_text_diff = 1;
5903 diff_context = strtonum(optarg, 0, GOT_DIFF_MAX_CONTEXT,
5906 errx(1, "number of context lines is %s: %s",
5910 repo_path = realpath(optarg, NULL);
5911 if (repo_path == NULL)
5912 return got_error_from_errno2("realpath",
5914 got_path_strip_trailing_slashes(repo_path);
5917 ignore_whitespace = 1;
5929 usage_diff(); /* TODO show local worktree changes */
5930 } else if (argc == 2) {
5936 error = got_repo_pack_fds_open(&pack_fds);
5940 if (repo_path == NULL) {
5941 cwd = getcwd(NULL, 0);
5943 return got_error_from_errno("getcwd");
5944 error = got_worktree_open(&worktree, cwd);
5945 if (error && error->code != GOT_ERR_NOT_WORKTREE)
5949 strdup(got_worktree_get_repo_path(worktree));
5951 repo_path = strdup(cwd);
5952 if (repo_path == NULL) {
5953 error = got_error_from_errno("strdup");
5958 error = got_repo_open(&repo, repo_path, NULL, pack_fds);
5964 error = apply_unveil(got_repo_get_path(repo), NULL);
5968 error = tog_load_refs(repo, 0);
5972 error = got_repo_match_object_id(&id1, &label1, id_str1,
5973 GOT_OBJ_TYPE_ANY, &tog_refs, repo);
5977 error = got_repo_match_object_id(&id2, &label2, id_str2,
5978 GOT_OBJ_TYPE_ANY, &tog_refs, repo);
5982 view = view_open(0, 0, 0, 0, TOG_VIEW_DIFF);
5984 error = got_error_from_errno("view_open");
5987 error = open_diff_view(view, id1, id2, label1, label2, diff_context,
5988 ignore_whitespace, force_text_diff, NULL, repo);
5991 error = view_loop(view);
5998 const struct got_error *close_err = got_repo_close(repo);
6003 got_worktree_close(worktree);
6005 const struct got_error *pack_err =
6006 got_repo_pack_fds_close(pack_fds);
6019 "usage: %s blame [-c commit] [-r repository-path] path\n",
6024 struct tog_blame_line {
6026 struct got_object_id *id;
6029 static const struct got_error *
6030 draw_blame(struct tog_view *view)
6032 struct tog_blame_view_state *s = &view->state.blame;
6033 struct tog_blame *blame = &s->blame;
6034 regmatch_t *regmatch = &view->regmatch;
6035 const struct got_error *err;
6036 int lineno = 0, nprinted = 0;
6038 size_t linesize = 0;
6042 struct tog_blame_line *blame_line;
6043 struct got_object_id *prev_id = NULL;
6045 struct tog_color *tc;
6047 err = got_object_id_str(&id_str, &s->blamed_commit->id);
6052 werase(view->window);
6054 if (asprintf(&line, "commit %s", id_str) == -1) {
6055 err = got_error_from_errno("asprintf");
6060 err = format_line(&wline, &width, NULL, line, 0, view->ncols, 0, 0);
6065 if (view_needs_focus_indication(view))
6066 wstandout(view->window);
6067 tc = get_color(&s->colors, TOG_COLOR_COMMIT);
6069 wattr_on(view->window, COLOR_PAIR(tc->colorpair), NULL);
6070 waddwstr(view->window, wline);
6071 while (width++ < view->ncols)
6072 waddch(view->window, ' ');
6074 wattr_off(view->window, COLOR_PAIR(tc->colorpair), NULL);
6075 if (view_needs_focus_indication(view))
6076 wstandend(view->window);
6080 if (view->gline > blame->nlines)
6081 view->gline = blame->nlines;
6083 if (tog_io.wait_for_ui) {
6084 struct tog_blame_thread_args *bta = &s->blame.thread_args;
6087 rc = pthread_cond_wait(&bta->blame_complete, &tog_mutex);
6089 return got_error_set_errno(rc, "pthread_cond_wait");
6090 tog_io.wait_for_ui = 0;
6093 if (asprintf(&line, "[%d/%d] %s%s", view->gline ? view->gline :
6094 s->first_displayed_line - 1 + s->selected_line, blame->nlines,
6095 s->blame_complete ? "" : "annotating... ", s->path) == -1) {
6097 return got_error_from_errno("asprintf");
6100 err = format_line(&wline, &width, NULL, line, 0, view->ncols, 0, 0);
6105 waddwstr(view->window, wline);
6108 if (width < view->ncols - 1)
6109 waddch(view->window, '\n');
6113 while (nprinted < view->nlines - 2) {
6114 linelen = getline(&line, &linesize, blame->f);
6115 if (linelen == -1) {
6116 if (feof(blame->f)) {
6121 return got_ferror(blame->f, GOT_ERR_IO);
6123 if (++lineno < s->first_displayed_line)
6125 if (view->gline && !gotoline(view, &lineno, &nprinted))
6128 /* Set view->maxx based on full line length. */
6129 err = format_line(&wline, &width, NULL, line, 0, INT_MAX, 9, 1);
6136 view->maxx = MAX(view->maxx, width);
6138 if (nprinted == s->selected_line - 1)
6139 wstandout(view->window);
6141 if (blame->nlines > 0) {
6142 blame_line = &blame->lines[lineno - 1];
6143 if (blame_line->annotated && prev_id &&
6144 got_object_id_cmp(prev_id, blame_line->id) == 0 &&
6145 !(nprinted == s->selected_line - 1)) {
6146 waddstr(view->window, " ");
6147 } else if (blame_line->annotated) {
6149 err = got_object_id_str(&id_str,
6155 tc = get_color(&s->colors, TOG_COLOR_COMMIT);
6157 wattr_on(view->window,
6158 COLOR_PAIR(tc->colorpair), NULL);
6159 wprintw(view->window, "%.8s", id_str);
6161 wattr_off(view->window,
6162 COLOR_PAIR(tc->colorpair), NULL);
6164 prev_id = blame_line->id;
6166 waddstr(view->window, "........");
6170 waddstr(view->window, "........");
6174 if (nprinted == s->selected_line - 1)
6175 wstandend(view->window);
6176 waddstr(view->window, " ");
6178 if (view->ncols <= 9) {
6180 } else if (s->first_displayed_line + nprinted ==
6182 regmatch->rm_so >= 0 && regmatch->rm_so < regmatch->rm_eo) {
6183 err = add_matched_line(&width, line, view->ncols - 9, 9,
6184 view->window, view->x, regmatch);
6192 err = format_line(&wline, &width, &skip, line,
6193 view->x, view->ncols - 9, 9, 1);
6198 waddwstr(view->window, &wline[skip]);
6204 if (width <= view->ncols - 1)
6205 waddch(view->window, '\n');
6206 if (++nprinted == 1)
6207 s->first_displayed_line = lineno;
6210 s->last_displayed_line = lineno;
6217 static const struct got_error *
6218 blame_cb(void *arg, int nlines, int lineno,
6219 struct got_commit_object *commit, struct got_object_id *id)
6221 const struct got_error *err = NULL;
6222 struct tog_blame_cb_args *a = arg;
6223 struct tog_blame_line *line;
6226 if (nlines != a->nlines ||
6227 (lineno != -1 && lineno < 1) || lineno > a->nlines)
6228 return got_error(GOT_ERR_RANGE);
6230 errcode = pthread_mutex_lock(&tog_mutex);
6232 return got_error_set_errno(errcode, "pthread_mutex_lock");
6234 if (*a->quit) { /* user has quit the blame view */
6235 err = got_error(GOT_ERR_ITER_COMPLETED);
6240 goto done; /* no change in this commit */
6242 line = &a->lines[lineno - 1];
6243 if (line->annotated)
6246 line->id = got_object_id_dup(id);
6247 if (line->id == NULL) {
6248 err = got_error_from_errno("got_object_id_dup");
6251 line->annotated = 1;
6253 errcode = pthread_mutex_unlock(&tog_mutex);
6255 err = got_error_set_errno(errcode, "pthread_mutex_unlock");
6260 blame_thread(void *arg)
6262 const struct got_error *err, *close_err;
6263 struct tog_blame_thread_args *ta = arg;
6264 struct tog_blame_cb_args *a = ta->cb_args;
6265 int errcode, fd1 = -1, fd2 = -1;
6266 FILE *f1 = NULL, *f2 = NULL;
6268 fd1 = got_opentempfd();
6270 return (void *)got_error_from_errno("got_opentempfd");
6272 fd2 = got_opentempfd();
6274 err = got_error_from_errno("got_opentempfd");
6278 f1 = got_opentemp();
6280 err = (void *)got_error_from_errno("got_opentemp");
6283 f2 = got_opentemp();
6285 err = (void *)got_error_from_errno("got_opentemp");
6289 err = block_signals_used_by_main_thread();
6293 err = got_blame(ta->path, a->commit_id, ta->repo,
6294 tog_diff_algo, blame_cb, ta->cb_args,
6295 ta->cancel_cb, ta->cancel_arg, fd1, fd2, f1, f2);
6296 if (err && err->code == GOT_ERR_CANCELLED)
6299 errcode = pthread_mutex_lock(&tog_mutex);
6301 err = got_error_set_errno(errcode, "pthread_mutex_lock");
6305 close_err = got_repo_close(ta->repo);
6311 if (tog_io.wait_for_ui) {
6312 errcode = pthread_cond_signal(&ta->blame_complete);
6313 if (errcode && err == NULL)
6314 err = got_error_set_errno(errcode,
6315 "pthread_cond_signal");
6318 errcode = pthread_mutex_unlock(&tog_mutex);
6319 if (errcode && err == NULL)
6320 err = got_error_set_errno(errcode, "pthread_mutex_unlock");
6323 if (fd1 != -1 && close(fd1) == -1 && err == NULL)
6324 err = got_error_from_errno("close");
6325 if (fd2 != -1 && close(fd2) == -1 && err == NULL)
6326 err = got_error_from_errno("close");
6327 if (f1 && fclose(f1) == EOF && err == NULL)
6328 err = got_error_from_errno("fclose");
6329 if (f2 && fclose(f2) == EOF && err == NULL)
6330 err = got_error_from_errno("fclose");
6335 static struct got_object_id *
6336 get_selected_commit_id(struct tog_blame_line *lines, int nlines,
6337 int first_displayed_line, int selected_line)
6339 struct tog_blame_line *line;
6344 line = &lines[first_displayed_line - 1 + selected_line - 1];
6345 if (!line->annotated)
6351 static struct got_object_id *
6352 get_annotation_for_line(struct tog_blame_line *lines, int nlines,
6355 struct tog_blame_line *line;
6357 if (nlines <= 0 || lineno >= nlines)
6360 line = &lines[lineno - 1];
6361 if (!line->annotated)
6367 static const struct got_error *
6368 stop_blame(struct tog_blame *blame)
6370 const struct got_error *err = NULL;
6373 if (blame->thread) {
6375 errcode = pthread_mutex_unlock(&tog_mutex);
6377 return got_error_set_errno(errcode,
6378 "pthread_mutex_unlock");
6379 errcode = pthread_join(blame->thread, (void **)&err);
6381 return got_error_set_errno(errcode, "pthread_join");
6382 errcode = pthread_mutex_lock(&tog_mutex);
6384 return got_error_set_errno(errcode,
6385 "pthread_mutex_lock");
6386 if (err && err->code == GOT_ERR_ITER_COMPLETED)
6388 blame->thread = NULL;
6390 if (blame->thread_args.repo) {
6391 const struct got_error *close_err;
6392 close_err = got_repo_close(blame->thread_args.repo);
6395 blame->thread_args.repo = NULL;
6398 if (fclose(blame->f) == EOF && err == NULL)
6399 err = got_error_from_errno("fclose");
6403 for (i = 0; i < blame->nlines; i++)
6404 free(blame->lines[i].id);
6406 blame->lines = NULL;
6408 free(blame->cb_args.commit_id);
6409 blame->cb_args.commit_id = NULL;
6410 if (blame->pack_fds) {
6411 const struct got_error *pack_err =
6412 got_repo_pack_fds_close(blame->pack_fds);
6415 blame->pack_fds = NULL;
6420 static const struct got_error *
6421 cancel_blame_view(void *arg)
6423 const struct got_error *err = NULL;
6427 errcode = pthread_mutex_lock(&tog_mutex);
6429 return got_error_set_errno(errcode,
6430 "pthread_mutex_unlock");
6433 err = got_error(GOT_ERR_CANCELLED);
6435 errcode = pthread_mutex_unlock(&tog_mutex);
6437 return got_error_set_errno(errcode,
6438 "pthread_mutex_lock");
6443 static const struct got_error *
6444 run_blame(struct tog_view *view)
6446 struct tog_blame_view_state *s = &view->state.blame;
6447 struct tog_blame *blame = &s->blame;
6448 const struct got_error *err = NULL;
6449 struct got_commit_object *commit = NULL;
6450 struct got_blob_object *blob = NULL;
6451 struct got_repository *thread_repo = NULL;
6452 struct got_object_id *obj_id = NULL;
6453 int obj_type, fd = -1;
6454 int *pack_fds = NULL;
6456 err = got_object_open_as_commit(&commit, s->repo,
6457 &s->blamed_commit->id);
6461 fd = got_opentempfd();
6463 err = got_error_from_errno("got_opentempfd");
6467 err = got_object_id_by_path(&obj_id, s->repo, commit, s->path);
6471 err = got_object_get_type(&obj_type, s->repo, obj_id);
6475 if (obj_type != GOT_OBJ_TYPE_BLOB) {
6476 err = got_error(GOT_ERR_OBJ_TYPE);
6480 err = got_object_open_as_blob(&blob, s->repo, obj_id, 8192, fd);
6483 blame->f = got_opentemp();
6484 if (blame->f == NULL) {
6485 err = got_error_from_errno("got_opentemp");
6488 err = got_object_blob_dump_to_file(&blame->filesize, &blame->nlines,
6489 &blame->line_offsets, blame->f, blob);
6492 if (blame->nlines == 0) {
6493 s->blame_complete = 1;
6497 /* Don't include \n at EOF in the blame line count. */
6498 if (blame->line_offsets[blame->nlines - 1] == blame->filesize)
6501 blame->lines = calloc(blame->nlines, sizeof(*blame->lines));
6502 if (blame->lines == NULL) {
6503 err = got_error_from_errno("calloc");
6507 err = got_repo_pack_fds_open(&pack_fds);
6510 err = got_repo_open(&thread_repo, got_repo_get_path(s->repo), NULL,
6515 blame->pack_fds = pack_fds;
6516 blame->cb_args.view = view;
6517 blame->cb_args.lines = blame->lines;
6518 blame->cb_args.nlines = blame->nlines;
6519 blame->cb_args.commit_id = got_object_id_dup(&s->blamed_commit->id);
6520 if (blame->cb_args.commit_id == NULL) {
6521 err = got_error_from_errno("got_object_id_dup");
6524 blame->cb_args.quit = &s->done;
6526 blame->thread_args.path = s->path;
6527 blame->thread_args.repo = thread_repo;
6528 blame->thread_args.cb_args = &blame->cb_args;
6529 blame->thread_args.complete = &s->blame_complete;
6530 blame->thread_args.cancel_cb = cancel_blame_view;
6531 blame->thread_args.cancel_arg = &s->done;
6532 s->blame_complete = 0;
6534 if (s->first_displayed_line + view->nlines - 1 > blame->nlines) {
6535 s->first_displayed_line = 1;
6536 s->last_displayed_line = view->nlines;
6537 s->selected_line = 1;
6539 s->matched_line = 0;
6543 got_object_commit_close(commit);
6544 if (fd != -1 && close(fd) == -1 && err == NULL)
6545 err = got_error_from_errno("close");
6547 got_object_blob_close(blob);
6554 static const struct got_error *
6555 open_blame_view(struct tog_view *view, char *path,
6556 struct got_object_id *commit_id, struct got_repository *repo)
6558 const struct got_error *err = NULL;
6559 struct tog_blame_view_state *s = &view->state.blame;
6561 STAILQ_INIT(&s->blamed_commits);
6563 s->path = strdup(path);
6564 if (s->path == NULL)
6565 return got_error_from_errno("strdup");
6567 err = got_object_qid_alloc(&s->blamed_commit, commit_id);
6573 STAILQ_INSERT_HEAD(&s->blamed_commits, s->blamed_commit, entry);
6574 s->first_displayed_line = 1;
6575 s->last_displayed_line = view->nlines;
6576 s->selected_line = 1;
6577 s->blame_complete = 0;
6579 s->commit_id = commit_id;
6580 memset(&s->blame, 0, sizeof(s->blame));
6582 STAILQ_INIT(&s->colors);
6583 if (has_colors() && getenv("TOG_COLORS") != NULL) {
6584 err = add_color(&s->colors, "^", TOG_COLOR_COMMIT,
6585 get_color_value("TOG_COLOR_COMMIT"));
6590 view->show = show_blame_view;
6591 view->input = input_blame_view;
6592 view->reset = reset_blame_view;
6593 view->close = close_blame_view;
6594 view->search_start = search_start_blame_view;
6595 view->search_setup = search_setup_blame_view;
6596 view->search_next = search_next_view_match;
6598 if (using_mock_io) {
6599 struct tog_blame_thread_args *bta = &s->blame.thread_args;
6602 rc = pthread_cond_init(&bta->blame_complete, NULL);
6604 return got_error_set_errno(rc, "pthread_cond_init");
6607 return run_blame(view);
6610 static const struct got_error *
6611 close_blame_view(struct tog_view *view)
6613 const struct got_error *err = NULL;
6614 struct tog_blame_view_state *s = &view->state.blame;
6616 if (s->blame.thread)
6617 err = stop_blame(&s->blame);
6619 while (!STAILQ_EMPTY(&s->blamed_commits)) {
6620 struct got_object_qid *blamed_commit;
6621 blamed_commit = STAILQ_FIRST(&s->blamed_commits);
6622 STAILQ_REMOVE_HEAD(&s->blamed_commits, entry);
6623 got_object_qid_free(blamed_commit);
6626 if (using_mock_io) {
6627 struct tog_blame_thread_args *bta = &s->blame.thread_args;
6630 rc = pthread_cond_destroy(&bta->blame_complete);
6631 if (rc && err == NULL)
6632 err = got_error_set_errno(rc, "pthread_cond_destroy");
6636 free_colors(&s->colors);
6640 static const struct got_error *
6641 search_start_blame_view(struct tog_view *view)
6643 struct tog_blame_view_state *s = &view->state.blame;
6645 s->matched_line = 0;
6650 search_setup_blame_view(struct tog_view *view, FILE **f, off_t **line_offsets,
6651 size_t *nlines, int **first, int **last, int **match, int **selected)
6653 struct tog_blame_view_state *s = &view->state.blame;
6656 *nlines = s->blame.nlines;
6657 *line_offsets = s->blame.line_offsets;
6658 *match = &s->matched_line;
6659 *first = &s->first_displayed_line;
6660 *last = &s->last_displayed_line;
6661 *selected = &s->selected_line;
6664 static const struct got_error *
6665 show_blame_view(struct tog_view *view)
6667 const struct got_error *err = NULL;
6668 struct tog_blame_view_state *s = &view->state.blame;
6671 if (s->blame.thread == NULL && !s->blame_complete) {
6672 errcode = pthread_create(&s->blame.thread, NULL, blame_thread,
6673 &s->blame.thread_args);
6675 return got_error_set_errno(errcode, "pthread_create");
6678 halfdelay(1); /* fast refresh while annotating */
6681 if (s->blame_complete && !using_mock_io)
6682 halfdelay(10); /* disable fast refresh */
6684 err = draw_blame(view);
6690 static const struct got_error *
6691 log_annotated_line(struct tog_view **new_view, int begin_y, int begin_x,
6692 struct got_repository *repo, struct got_object_id *id)
6694 struct tog_view *log_view;
6695 const struct got_error *err = NULL;
6699 log_view = view_open(0, 0, begin_y, begin_x, TOG_VIEW_LOG);
6700 if (log_view == NULL)
6701 return got_error_from_errno("view_open");
6703 err = open_log_view(log_view, id, repo, GOT_REF_HEAD, "", 0);
6705 view_close(log_view);
6707 *new_view = log_view;
6712 static const struct got_error *
6713 input_blame_view(struct tog_view **new_view, struct tog_view *view, int ch)
6715 const struct got_error *err = NULL, *thread_err = NULL;
6716 struct tog_view *diff_view;
6717 struct tog_blame_view_state *s = &view->state.blame;
6718 int eos, nscroll, begin_y = 0, begin_x = 0;
6720 eos = nscroll = view->nlines - 2;
6721 if (view_is_hsplit_top(view))
6731 horizontal_scroll_input(view, ch);
6738 s->selected_line = 1;
6739 s->first_displayed_line = 1;
6744 if (s->blame.nlines < eos) {
6745 s->selected_line = s->blame.nlines;
6746 s->first_displayed_line = 1;
6748 s->selected_line = eos;
6749 s->first_displayed_line = s->blame.nlines - (eos - 1);
6756 if (s->selected_line > 1)
6758 else if (s->selected_line == 1 &&
6759 s->first_displayed_line > 1)
6760 s->first_displayed_line--;
6771 if (s->first_displayed_line == 1) {
6772 if (view->count > 1)
6774 s->selected_line = MAX(1, s->selected_line - nscroll);
6778 if (s->first_displayed_line > nscroll)
6779 s->first_displayed_line -= nscroll;
6781 s->first_displayed_line = 1;
6786 if (s->selected_line < eos && s->first_displayed_line +
6787 s->selected_line <= s->blame.nlines)
6789 else if (s->first_displayed_line < s->blame.nlines - (eos - 1))
6790 s->first_displayed_line++;
6796 struct got_object_id *id = NULL;
6799 id = get_selected_commit_id(s->blame.lines, s->blame.nlines,
6800 s->first_displayed_line, s->selected_line);
6804 struct got_commit_object *commit, *pcommit;
6805 struct got_object_qid *pid;
6806 struct got_object_id *blob_id = NULL;
6808 err = got_object_open_as_commit(&commit,
6813 got_object_commit_get_parent_ids(commit));
6815 got_object_commit_close(commit);
6818 /* Check if path history ends here. */
6819 err = got_object_open_as_commit(&pcommit,
6823 err = got_object_id_by_path(&blob_id, s->repo,
6825 got_object_commit_close(pcommit);
6827 if (err->code == GOT_ERR_NO_TREE_ENTRY)
6829 got_object_commit_close(commit);
6832 err = got_object_get_type(&obj_type, s->repo,
6835 /* Can't blame non-blob type objects. */
6836 if (obj_type != GOT_OBJ_TYPE_BLOB) {
6837 got_object_commit_close(commit);
6840 err = got_object_qid_alloc(&s->blamed_commit,
6842 got_object_commit_close(commit);
6844 if (got_object_id_cmp(id,
6845 &s->blamed_commit->id) == 0)
6847 err = got_object_qid_alloc(&s->blamed_commit,
6853 thread_err = stop_blame(&s->blame);
6857 STAILQ_INSERT_HEAD(&s->blamed_commits,
6858 s->blamed_commit, entry);
6859 err = run_blame(view);
6865 struct got_object_qid *first;
6868 first = STAILQ_FIRST(&s->blamed_commits);
6869 if (!got_object_id_cmp(&first->id, s->commit_id))
6872 thread_err = stop_blame(&s->blame);
6876 STAILQ_REMOVE_HEAD(&s->blamed_commits, entry);
6877 got_object_qid_free(s->blamed_commit);
6879 STAILQ_FIRST(&s->blamed_commits);
6880 err = run_blame(view);
6887 s->id_to_log = get_selected_commit_id(s->blame.lines,
6888 s->blame.nlines, s->first_displayed_line, s->selected_line);
6890 err = view_request_new(new_view, view, TOG_VIEW_LOG);
6894 struct got_object_id *id = NULL;
6895 struct got_object_qid *pid;
6896 struct got_commit_object *commit = NULL;
6899 id = get_selected_commit_id(s->blame.lines, s->blame.nlines,
6900 s->first_displayed_line, s->selected_line);
6903 err = got_object_open_as_commit(&commit, s->repo, id);
6906 pid = STAILQ_FIRST(got_object_commit_get_parent_ids(commit));
6908 /* traversed from diff view, release diff resources */
6909 err = close_diff_view(*new_view);
6912 diff_view = *new_view;
6914 if (view_is_parent_view(view))
6915 view_get_split(view, &begin_y, &begin_x);
6917 diff_view = view_open(0, 0, begin_y, begin_x,
6919 if (diff_view == NULL) {
6920 got_object_commit_close(commit);
6921 err = got_error_from_errno("view_open");
6925 err = open_diff_view(diff_view, pid ? &pid->id : NULL,
6926 id, NULL, NULL, 3, 0, 0, view, s->repo);
6927 got_object_commit_close(commit);
6929 view_close(diff_view);
6932 s->last_diffed_line = s->first_displayed_line - 1 +
6935 break; /* still open from active diff view */
6936 if (view_is_parent_view(view) &&
6937 view->mode == TOG_VIEW_SPLIT_HRZN) {
6938 err = view_init_hsplit(view, begin_y);
6944 diff_view->focussed = 1;
6945 diff_view->mode = view->mode;
6946 diff_view->nlines = view->lines - begin_y;
6947 if (view_is_parent_view(view)) {
6948 view_transfer_size(diff_view, view);
6949 err = view_close_child(view);
6952 err = view_set_child(view, diff_view);
6955 view->focus_child = 1;
6957 *new_view = diff_view;
6970 if (s->last_displayed_line >= s->blame.nlines &&
6971 s->selected_line >= MIN(s->blame.nlines,
6972 view->nlines - 2)) {
6976 if (s->last_displayed_line >= s->blame.nlines &&
6977 s->selected_line < view->nlines - 2) {
6979 MIN(nscroll, s->last_displayed_line -
6980 s->first_displayed_line - s->selected_line + 1);
6982 if (s->last_displayed_line + nscroll <= s->blame.nlines)
6983 s->first_displayed_line += nscroll;
6985 s->first_displayed_line =
6986 s->blame.nlines - (view->nlines - 3);
6989 if (s->selected_line > view->nlines - 2) {
6990 s->selected_line = MIN(s->blame.nlines,
6998 return thread_err ? thread_err : err;
7001 static const struct got_error *
7002 reset_blame_view(struct tog_view *view)
7004 const struct got_error *err;
7005 struct tog_blame_view_state *s = &view->state.blame;
7009 err = stop_blame(&s->blame);
7013 return run_blame(view);
7016 static const struct got_error *
7017 cmd_blame(int argc, char *argv[])
7019 const struct got_error *error;
7020 struct got_repository *repo = NULL;
7021 struct got_worktree *worktree = NULL;
7022 char *cwd = NULL, *repo_path = NULL, *in_repo_path = NULL;
7023 char *link_target = NULL;
7024 struct got_object_id *commit_id = NULL;
7025 struct got_commit_object *commit = NULL;
7026 char *commit_id_str = NULL;
7028 struct tog_view *view = NULL;
7029 int *pack_fds = NULL;
7031 while ((ch = getopt(argc, argv, "c:r:")) != -1) {
7034 commit_id_str = optarg;
7037 repo_path = realpath(optarg, NULL);
7038 if (repo_path == NULL)
7039 return got_error_from_errno2("realpath",
7054 error = got_repo_pack_fds_open(&pack_fds);
7058 if (repo_path == NULL) {
7059 cwd = getcwd(NULL, 0);
7061 return got_error_from_errno("getcwd");
7062 error = got_worktree_open(&worktree, cwd);
7063 if (error && error->code != GOT_ERR_NOT_WORKTREE)
7067 strdup(got_worktree_get_repo_path(worktree));
7069 repo_path = strdup(cwd);
7070 if (repo_path == NULL) {
7071 error = got_error_from_errno("strdup");
7076 error = got_repo_open(&repo, repo_path, NULL, pack_fds);
7080 error = get_in_repo_path_from_argv0(&in_repo_path, argc, argv, repo,
7087 error = apply_unveil(got_repo_get_path(repo), NULL);
7091 error = tog_load_refs(repo, 0);
7095 if (commit_id_str == NULL) {
7096 struct got_reference *head_ref;
7097 error = got_ref_open(&head_ref, repo, worktree ?
7098 got_worktree_get_head_ref_name(worktree) : GOT_REF_HEAD, 0);
7101 error = got_ref_resolve(&commit_id, repo, head_ref);
7102 got_ref_close(head_ref);
7104 error = got_repo_match_object_id(&commit_id, NULL,
7105 commit_id_str, GOT_OBJ_TYPE_COMMIT, &tog_refs, repo);
7110 error = got_object_open_as_commit(&commit, repo, commit_id);
7114 error = got_object_resolve_symlinks(&link_target, in_repo_path,
7119 view = view_open(0, 0, 0, 0, TOG_VIEW_BLAME);
7121 error = got_error_from_errno("view_open");
7124 error = open_blame_view(view, link_target ? link_target : in_repo_path,
7126 if (error != NULL) {
7127 if (view->close == NULL)
7128 close_blame_view(view);
7133 /* Release work tree lock. */
7134 got_worktree_close(worktree);
7137 error = view_loop(view);
7145 got_object_commit_close(commit);
7147 got_worktree_close(worktree);
7149 const struct got_error *close_err = got_repo_close(repo);
7154 const struct got_error *pack_err =
7155 got_repo_pack_fds_close(pack_fds);
7163 static const struct got_error *
7164 draw_tree_entries(struct tog_view *view, const char *parent_path)
7166 struct tog_tree_view_state *s = &view->state.tree;
7167 const struct got_error *err = NULL;
7168 struct got_tree_entry *te;
7171 struct tog_color *tc;
7172 int width, n, nentries, scrollx, i = 1;
7173 int limit = view->nlines;
7176 if (view_is_hsplit_top(view))
7177 --limit; /* border */
7179 werase(view->window);
7184 err = format_line(&wline, &width, NULL, s->tree_label, 0, view->ncols,
7188 if (view_needs_focus_indication(view))
7189 wstandout(view->window);
7190 tc = get_color(&s->colors, TOG_COLOR_COMMIT);
7192 wattr_on(view->window, COLOR_PAIR(tc->colorpair), NULL);
7193 waddwstr(view->window, wline);
7196 while (width++ < view->ncols)
7197 waddch(view->window, ' ');
7199 wattr_off(view->window, COLOR_PAIR(tc->colorpair), NULL);
7200 if (view_needs_focus_indication(view))
7201 wstandend(view->window);
7206 if (s->first_displayed_entry) {
7207 i += got_tree_entry_get_index(s->first_displayed_entry);
7208 if (s->tree != s->root)
7209 ++i; /* account for ".." entry */
7211 nentries = got_object_tree_get_nentries(s->tree);
7212 if (asprintf(&index, "[%d/%d] %s",
7213 i, nentries + (s->tree == s->root ? 0 : 1), parent_path) == -1)
7214 return got_error_from_errno("asprintf");
7215 err = format_line(&wline, &width, NULL, index, 0, view->ncols, 0, 0);
7219 waddwstr(view->window, wline);
7222 if (width < view->ncols - 1)
7223 waddch(view->window, '\n');
7226 waddch(view->window, '\n');
7230 if (s->first_displayed_entry == NULL) {
7231 te = got_object_tree_get_first_entry(s->tree);
7232 if (s->selected == 0) {
7234 wstandout(view->window);
7235 s->selected_entry = NULL;
7237 waddstr(view->window, " ..\n"); /* parent directory */
7238 if (s->selected == 0 && view->focussed)
7239 wstandend(view->window);
7246 te = s->first_displayed_entry;
7250 for (i = got_tree_entry_get_index(te); i < nentries; i++) {
7251 char *line = NULL, *id_str = NULL, *link_target = NULL;
7252 const char *modestr = "";
7255 te = got_object_tree_get_entry(s->tree, i);
7256 mode = got_tree_entry_get_mode(te);
7259 err = got_object_id_str(&id_str,
7260 got_tree_entry_get_id(te));
7262 return got_error_from_errno(
7263 "got_object_id_str");
7265 if (got_object_tree_entry_is_submodule(te))
7267 else if (S_ISLNK(mode)) {
7270 err = got_tree_entry_get_symlink_target(&link_target,
7276 for (i = 0; i < strlen(link_target); i++) {
7277 if (!isprint((unsigned char)link_target[i]))
7278 link_target[i] = '?';
7282 else if (S_ISDIR(mode))
7284 else if (mode & S_IXUSR)
7286 if (asprintf(&line, "%s %s%s%s%s", id_str ? id_str : "",
7287 got_tree_entry_get_name(te), modestr,
7288 link_target ? " -> ": "",
7289 link_target ? link_target : "") == -1) {
7292 return got_error_from_errno("asprintf");
7297 /* use full line width to determine view->maxx */
7298 err = format_line(&wline, &width, NULL, line, 0, INT_MAX, 0, 0);
7303 view->maxx = MAX(view->maxx, width);
7307 err = format_line(&wline, &width, &scrollx, line, view->x,
7313 if (n == s->selected) {
7315 wstandout(view->window);
7316 s->selected_entry = te;
7318 tc = match_color(&s->colors, line);
7320 wattr_on(view->window,
7321 COLOR_PAIR(tc->colorpair), NULL);
7322 waddwstr(view->window, &wline[scrollx]);
7324 wattr_off(view->window,
7325 COLOR_PAIR(tc->colorpair), NULL);
7326 if (width < view->ncols)
7327 waddch(view->window, '\n');
7328 if (n == s->selected && view->focussed)
7329 wstandend(view->window);
7335 s->last_displayed_entry = te;
7344 tree_scroll_up(struct tog_tree_view_state *s, int maxscroll)
7346 struct got_tree_entry *te;
7347 int isroot = s->tree == s->root;
7350 if (s->first_displayed_entry == NULL)
7353 te = got_tree_entry_get_prev(s->tree, s->first_displayed_entry);
7354 while (i++ < maxscroll) {
7357 s->first_displayed_entry = NULL;
7360 s->first_displayed_entry = te;
7361 te = got_tree_entry_get_prev(s->tree, te);
7365 static const struct got_error *
7366 tree_scroll_down(struct tog_view *view, int maxscroll)
7368 struct tog_tree_view_state *s = &view->state.tree;
7369 struct got_tree_entry *next, *last;
7372 if (s->first_displayed_entry)
7373 next = got_tree_entry_get_next(s->tree,
7374 s->first_displayed_entry);
7376 next = got_object_tree_get_first_entry(s->tree);
7378 last = s->last_displayed_entry;
7379 while (next && n++ < maxscroll) {
7381 s->last_displayed_entry = last;
7382 last = got_tree_entry_get_next(s->tree, last);
7384 if (last || (view->mode == TOG_VIEW_SPLIT_HRZN && next)) {
7385 s->first_displayed_entry = next;
7386 next = got_tree_entry_get_next(s->tree, next);
7393 static const struct got_error *
7394 tree_entry_path(char **path, struct tog_parent_trees *parents,
7395 struct got_tree_entry *te)
7397 const struct got_error *err = NULL;
7398 struct tog_parent_tree *pt;
7399 size_t len = 2; /* for leading slash and NUL */
7401 TAILQ_FOREACH(pt, parents, entry)
7402 len += strlen(got_tree_entry_get_name(pt->selected_entry))
7405 len += strlen(got_tree_entry_get_name(te));
7407 *path = calloc(1, len);
7409 return got_error_from_errno("calloc");
7412 pt = TAILQ_LAST(parents, tog_parent_trees);
7414 const char *name = got_tree_entry_get_name(pt->selected_entry);
7415 if (strlcat(*path, name, len) >= len) {
7416 err = got_error(GOT_ERR_NO_SPACE);
7419 if (strlcat(*path, "/", len) >= len) {
7420 err = got_error(GOT_ERR_NO_SPACE);
7423 pt = TAILQ_PREV(pt, tog_parent_trees, entry);
7426 if (strlcat(*path, got_tree_entry_get_name(te), len) >= len) {
7427 err = got_error(GOT_ERR_NO_SPACE);
7439 static const struct got_error *
7440 blame_tree_entry(struct tog_view **new_view, int begin_y, int begin_x,
7441 struct got_tree_entry *te, struct tog_parent_trees *parents,
7442 struct got_object_id *commit_id, struct got_repository *repo)
7444 const struct got_error *err = NULL;
7446 struct tog_view *blame_view;
7450 err = tree_entry_path(&path, parents, te);
7454 blame_view = view_open(0, 0, begin_y, begin_x, TOG_VIEW_BLAME);
7455 if (blame_view == NULL) {
7456 err = got_error_from_errno("view_open");
7460 err = open_blame_view(blame_view, path, commit_id, repo);
7462 if (err->code == GOT_ERR_CANCELLED)
7464 view_close(blame_view);
7466 *new_view = blame_view;
7472 static const struct got_error *
7473 log_selected_tree_entry(struct tog_view **new_view, int begin_y, int begin_x,
7474 struct tog_tree_view_state *s)
7476 struct tog_view *log_view;
7477 const struct got_error *err = NULL;
7482 log_view = view_open(0, 0, begin_y, begin_x, TOG_VIEW_LOG);
7483 if (log_view == NULL)
7484 return got_error_from_errno("view_open");
7486 err = tree_entry_path(&path, &s->parents, s->selected_entry);
7490 err = open_log_view(log_view, s->commit_id, s->repo, s->head_ref_name,
7493 view_close(log_view);
7495 *new_view = log_view;
7500 static const struct got_error *
7501 open_tree_view(struct tog_view *view, struct got_object_id *commit_id,
7502 const char *head_ref_name, struct got_repository *repo)
7504 const struct got_error *err = NULL;
7505 char *commit_id_str = NULL;
7506 struct tog_tree_view_state *s = &view->state.tree;
7507 struct got_commit_object *commit = NULL;
7509 TAILQ_INIT(&s->parents);
7510 STAILQ_INIT(&s->colors);
7512 s->commit_id = got_object_id_dup(commit_id);
7513 if (s->commit_id == NULL) {
7514 err = got_error_from_errno("got_object_id_dup");
7518 err = got_object_open_as_commit(&commit, repo, commit_id);
7523 * The root is opened here and will be closed when the view is closed.
7524 * Any visited subtrees and their path-wise parents are opened and
7527 err = got_object_open_as_tree(&s->root, repo,
7528 got_object_commit_get_tree_id(commit));
7533 err = got_object_id_str(&commit_id_str, commit_id);
7537 if (asprintf(&s->tree_label, "commit %s", commit_id_str) == -1) {
7538 err = got_error_from_errno("asprintf");
7542 s->first_displayed_entry = got_object_tree_get_entry(s->tree, 0);
7543 s->selected_entry = got_object_tree_get_entry(s->tree, 0);
7544 if (head_ref_name) {
7545 s->head_ref_name = strdup(head_ref_name);
7546 if (s->head_ref_name == NULL) {
7547 err = got_error_from_errno("strdup");
7553 if (has_colors() && getenv("TOG_COLORS") != NULL) {
7554 err = add_color(&s->colors, "\\$$",
7555 TOG_COLOR_TREE_SUBMODULE,
7556 get_color_value("TOG_COLOR_TREE_SUBMODULE"));
7559 err = add_color(&s->colors, "@$", TOG_COLOR_TREE_SYMLINK,
7560 get_color_value("TOG_COLOR_TREE_SYMLINK"));
7563 err = add_color(&s->colors, "/$",
7564 TOG_COLOR_TREE_DIRECTORY,
7565 get_color_value("TOG_COLOR_TREE_DIRECTORY"));
7569 err = add_color(&s->colors, "\\*$",
7570 TOG_COLOR_TREE_EXECUTABLE,
7571 get_color_value("TOG_COLOR_TREE_EXECUTABLE"));
7575 err = add_color(&s->colors, "^$", TOG_COLOR_COMMIT,
7576 get_color_value("TOG_COLOR_COMMIT"));
7581 view->show = show_tree_view;
7582 view->input = input_tree_view;
7583 view->close = close_tree_view;
7584 view->search_start = search_start_tree_view;
7585 view->search_next = search_next_tree_view;
7587 free(commit_id_str);
7589 got_object_commit_close(commit);
7591 if (view->close == NULL)
7592 close_tree_view(view);
7598 static const struct got_error *
7599 close_tree_view(struct tog_view *view)
7601 struct tog_tree_view_state *s = &view->state.tree;
7603 free_colors(&s->colors);
7604 free(s->tree_label);
7605 s->tree_label = NULL;
7607 s->commit_id = NULL;
7608 free(s->head_ref_name);
7609 s->head_ref_name = NULL;
7610 while (!TAILQ_EMPTY(&s->parents)) {
7611 struct tog_parent_tree *parent;
7612 parent = TAILQ_FIRST(&s->parents);
7613 TAILQ_REMOVE(&s->parents, parent, entry);
7614 if (parent->tree != s->root)
7615 got_object_tree_close(parent->tree);
7619 if (s->tree != NULL && s->tree != s->root)
7620 got_object_tree_close(s->tree);
7622 got_object_tree_close(s->root);
7626 static const struct got_error *
7627 search_start_tree_view(struct tog_view *view)
7629 struct tog_tree_view_state *s = &view->state.tree;
7631 s->matched_entry = NULL;
7636 match_tree_entry(struct got_tree_entry *te, regex_t *regex)
7638 regmatch_t regmatch;
7640 return regexec(regex, got_tree_entry_get_name(te), 1, ®match,
7644 static const struct got_error *
7645 search_next_tree_view(struct tog_view *view)
7647 struct tog_tree_view_state *s = &view->state.tree;
7648 struct got_tree_entry *te = NULL;
7650 if (!view->searching) {
7651 view->search_next_done = TOG_SEARCH_HAVE_MORE;
7655 if (s->matched_entry) {
7656 if (view->searching == TOG_SEARCH_FORWARD) {
7657 if (s->selected_entry)
7658 te = got_tree_entry_get_next(s->tree,
7661 te = got_object_tree_get_first_entry(s->tree);
7663 if (s->selected_entry == NULL)
7664 te = got_object_tree_get_last_entry(s->tree);
7666 te = got_tree_entry_get_prev(s->tree,
7670 if (s->selected_entry)
7671 te = s->selected_entry;
7672 else if (view->searching == TOG_SEARCH_FORWARD)
7673 te = got_object_tree_get_first_entry(s->tree);
7675 te = got_object_tree_get_last_entry(s->tree);
7680 if (s->matched_entry == NULL) {
7681 view->search_next_done = TOG_SEARCH_HAVE_MORE;
7684 if (view->searching == TOG_SEARCH_FORWARD)
7685 te = got_object_tree_get_first_entry(s->tree);
7687 te = got_object_tree_get_last_entry(s->tree);
7690 if (match_tree_entry(te, &view->regex)) {
7691 view->search_next_done = TOG_SEARCH_HAVE_MORE;
7692 s->matched_entry = te;
7696 if (view->searching == TOG_SEARCH_FORWARD)
7697 te = got_tree_entry_get_next(s->tree, te);
7699 te = got_tree_entry_get_prev(s->tree, te);
7702 if (s->matched_entry) {
7703 s->first_displayed_entry = s->matched_entry;
7710 static const struct got_error *
7711 show_tree_view(struct tog_view *view)
7713 const struct got_error *err = NULL;
7714 struct tog_tree_view_state *s = &view->state.tree;
7717 err = tree_entry_path(&parent_path, &s->parents, NULL);
7721 err = draw_tree_entries(view, parent_path);
7728 static const struct got_error *
7729 tree_goto_line(struct tog_view *view, int nlines)
7731 const struct got_error *err = NULL;
7732 struct tog_tree_view_state *s = &view->state.tree;
7733 struct got_tree_entry **fte, **lte, **ste;
7734 int g, last, first = 1, i = 1;
7735 int root = s->tree == s->root;
7736 int off = root ? 1 : 2;
7743 else if (g > got_object_tree_get_nentries(s->tree))
7744 g = got_object_tree_get_nentries(s->tree) + (root ? 0 : 1);
7746 fte = &s->first_displayed_entry;
7747 lte = &s->last_displayed_entry;
7748 ste = &s->selected_entry;
7751 first = got_tree_entry_get_index(*fte);
7752 first += off; /* account for ".." */
7754 last = got_tree_entry_get_index(*lte);
7757 if (g >= first && g <= last && g - first < nlines) {
7758 s->selected = g - first;
7759 return NULL; /* gline is on the current page */
7763 i = got_tree_entry_get_index(*ste);
7768 err = tree_scroll_down(view, g - i);
7771 if (got_tree_entry_get_index(*lte) >=
7772 got_object_tree_get_nentries(s->tree) - 1 &&
7773 first + s->selected < g &&
7774 s->selected < s->ndisplayed - 1) {
7775 first = got_tree_entry_get_index(*fte);
7777 s->selected = g - first;
7780 tree_scroll_up(s, i - g);
7783 (*fte == NULL || (root && !got_tree_entry_get_index(*fte))))
7784 s->selected = g - 1;
7789 static const struct got_error *
7790 input_tree_view(struct tog_view **new_view, struct tog_view *view, int ch)
7792 const struct got_error *err = NULL;
7793 struct tog_tree_view_state *s = &view->state.tree;
7794 struct got_tree_entry *te;
7795 int n, nscroll = view->nlines - 3;
7798 return tree_goto_line(view, nscroll);
7807 horizontal_scroll_input(view, ch);
7810 s->show_ids = !s->show_ids;
7815 if (!s->selected_entry)
7817 err = view_request_new(new_view, view, TOG_VIEW_LOG);
7821 err = view_request_new(new_view, view, TOG_VIEW_REF);
7828 if (s->tree == s->root)
7829 s->first_displayed_entry =
7830 got_object_tree_get_first_entry(s->tree);
7832 s->first_displayed_entry = NULL;
7837 int eos = view->nlines - 3;
7839 if (view->mode == TOG_VIEW_SPLIT_HRZN)
7843 te = got_object_tree_get_last_entry(s->tree);
7844 for (n = 0; n < eos; n++) {
7846 if (s->tree != s->root) {
7847 s->first_displayed_entry = NULL;
7852 s->first_displayed_entry = te;
7853 te = got_tree_entry_get_prev(s->tree, te);
7856 s->selected = n - 1;
7862 if (s->selected > 0) {
7866 tree_scroll_up(s, 1);
7867 if (s->selected_entry == NULL ||
7868 (s->tree == s->root && s->selected_entry ==
7869 got_object_tree_get_first_entry(s->tree)))
7879 if (s->tree == s->root) {
7880 if (got_object_tree_get_first_entry(s->tree) ==
7881 s->first_displayed_entry)
7882 s->selected -= MIN(s->selected, nscroll);
7884 if (s->first_displayed_entry == NULL)
7885 s->selected -= MIN(s->selected, nscroll);
7887 tree_scroll_up(s, MAX(0, nscroll));
7888 if (s->selected_entry == NULL ||
7889 (s->tree == s->root && s->selected_entry ==
7890 got_object_tree_get_first_entry(s->tree)))
7896 if (s->selected < s->ndisplayed - 1) {
7900 if (got_tree_entry_get_next(s->tree, s->last_displayed_entry)
7902 /* can't scroll any further */
7906 tree_scroll_down(view, 1);
7916 if (got_tree_entry_get_next(s->tree, s->last_displayed_entry)
7918 /* can't scroll any further; move cursor down */
7919 if (s->selected < s->ndisplayed - 1)
7920 s->selected += MIN(nscroll,
7921 s->ndisplayed - s->selected - 1);
7926 tree_scroll_down(view, nscroll);
7931 if (s->selected_entry == NULL || ch == KEY_BACKSPACE) {
7932 struct tog_parent_tree *parent;
7933 /* user selected '..' */
7934 if (s->tree == s->root) {
7938 parent = TAILQ_FIRST(&s->parents);
7939 TAILQ_REMOVE(&s->parents, parent,
7941 got_object_tree_close(s->tree);
7942 s->tree = parent->tree;
7943 s->first_displayed_entry =
7944 parent->first_displayed_entry;
7946 parent->selected_entry;
7947 s->selected = parent->selected;
7948 if (s->selected > view->nlines - 3) {
7949 err = offset_selection_down(view);
7954 } else if (S_ISDIR(got_tree_entry_get_mode(
7955 s->selected_entry))) {
7956 struct got_tree_object *subtree;
7958 err = got_object_open_as_tree(&subtree, s->repo,
7959 got_tree_entry_get_id(s->selected_entry));
7962 err = tree_view_visit_subtree(s, subtree);
7964 got_object_tree_close(subtree);
7967 } else if (S_ISREG(got_tree_entry_get_mode(s->selected_entry)))
7968 err = view_request_new(new_view, view, TOG_VIEW_BLAME);
7971 if (view->nlines >= 4 && s->selected >= view->nlines - 3)
7972 s->selected = view->nlines - 4;
7988 "usage: %s tree [-c commit] [-r repository-path] [path]\n",
7993 static const struct got_error *
7994 cmd_tree(int argc, char *argv[])
7996 const struct got_error *error;
7997 struct got_repository *repo = NULL;
7998 struct got_worktree *worktree = NULL;
7999 char *cwd = NULL, *repo_path = NULL, *in_repo_path = NULL;
8000 struct got_object_id *commit_id = NULL;
8001 struct got_commit_object *commit = NULL;
8002 const char *commit_id_arg = NULL;
8004 struct got_reference *ref = NULL;
8005 const char *head_ref_name = NULL;
8007 struct tog_view *view;
8008 int *pack_fds = NULL;
8010 while ((ch = getopt(argc, argv, "c:r:")) != -1) {
8013 commit_id_arg = optarg;
8016 repo_path = realpath(optarg, NULL);
8017 if (repo_path == NULL)
8018 return got_error_from_errno2("realpath",
8033 error = got_repo_pack_fds_open(&pack_fds);
8037 if (repo_path == NULL) {
8038 cwd = getcwd(NULL, 0);
8040 return got_error_from_errno("getcwd");
8041 error = got_worktree_open(&worktree, cwd);
8042 if (error && error->code != GOT_ERR_NOT_WORKTREE)
8046 strdup(got_worktree_get_repo_path(worktree));
8048 repo_path = strdup(cwd);
8049 if (repo_path == NULL) {
8050 error = got_error_from_errno("strdup");
8055 error = got_repo_open(&repo, repo_path, NULL, pack_fds);
8059 error = get_in_repo_path_from_argv0(&in_repo_path, argc, argv,
8066 error = apply_unveil(got_repo_get_path(repo), NULL);
8070 error = tog_load_refs(repo, 0);
8074 if (commit_id_arg == NULL) {
8075 error = got_repo_match_object_id(&commit_id, &label,
8076 worktree ? got_worktree_get_head_ref_name(worktree) :
8077 GOT_REF_HEAD, GOT_OBJ_TYPE_COMMIT, &tog_refs, repo);
8080 head_ref_name = label;
8082 error = got_ref_open(&ref, repo, commit_id_arg, 0);
8084 head_ref_name = got_ref_get_name(ref);
8085 else if (error->code != GOT_ERR_NOT_REF)
8087 error = got_repo_match_object_id(&commit_id, NULL,
8088 commit_id_arg, GOT_OBJ_TYPE_COMMIT, &tog_refs, repo);
8093 error = got_object_open_as_commit(&commit, repo, commit_id);
8097 view = view_open(0, 0, 0, 0, TOG_VIEW_TREE);
8099 error = got_error_from_errno("view_open");
8102 error = open_tree_view(view, commit_id, head_ref_name, repo);
8105 if (!got_path_is_root_dir(in_repo_path)) {
8106 error = tree_view_walk_path(&view->state.tree, commit,
8113 /* Release work tree lock. */
8114 got_worktree_close(worktree);
8117 error = view_loop(view);
8126 const struct got_error *close_err = got_repo_close(repo);
8131 const struct got_error *pack_err =
8132 got_repo_pack_fds_close(pack_fds);
8140 static const struct got_error *
8141 ref_view_load_refs(struct tog_ref_view_state *s)
8143 struct got_reflist_entry *sre;
8144 struct tog_reflist_entry *re;
8147 TAILQ_FOREACH(sre, &tog_refs, entry) {
8148 if (strncmp(got_ref_get_name(sre->ref),
8149 "refs/got/", 9) == 0 &&
8150 strncmp(got_ref_get_name(sre->ref),
8151 "refs/got/backup/", 16) != 0)
8154 re = malloc(sizeof(*re));
8156 return got_error_from_errno("malloc");
8158 re->ref = got_ref_dup(sre->ref);
8159 if (re->ref == NULL)
8160 return got_error_from_errno("got_ref_dup");
8161 re->idx = s->nrefs++;
8162 TAILQ_INSERT_TAIL(&s->refs, re, entry);
8165 s->first_displayed_entry = TAILQ_FIRST(&s->refs);
8170 ref_view_free_refs(struct tog_ref_view_state *s)
8172 struct tog_reflist_entry *re;
8174 while (!TAILQ_EMPTY(&s->refs)) {
8175 re = TAILQ_FIRST(&s->refs);
8176 TAILQ_REMOVE(&s->refs, re, entry);
8177 got_ref_close(re->ref);
8182 static const struct got_error *
8183 open_ref_view(struct tog_view *view, struct got_repository *repo)
8185 const struct got_error *err = NULL;
8186 struct tog_ref_view_state *s = &view->state.ref;
8188 s->selected_entry = 0;
8191 TAILQ_INIT(&s->refs);
8192 STAILQ_INIT(&s->colors);
8194 err = ref_view_load_refs(s);
8198 if (has_colors() && getenv("TOG_COLORS") != NULL) {
8199 err = add_color(&s->colors, "^refs/heads/",
8200 TOG_COLOR_REFS_HEADS,
8201 get_color_value("TOG_COLOR_REFS_HEADS"));
8205 err = add_color(&s->colors, "^refs/tags/",
8206 TOG_COLOR_REFS_TAGS,
8207 get_color_value("TOG_COLOR_REFS_TAGS"));
8211 err = add_color(&s->colors, "^refs/remotes/",
8212 TOG_COLOR_REFS_REMOTES,
8213 get_color_value("TOG_COLOR_REFS_REMOTES"));
8217 err = add_color(&s->colors, "^refs/got/backup/",
8218 TOG_COLOR_REFS_BACKUP,
8219 get_color_value("TOG_COLOR_REFS_BACKUP"));
8224 view->show = show_ref_view;
8225 view->input = input_ref_view;
8226 view->close = close_ref_view;
8227 view->search_start = search_start_ref_view;
8228 view->search_next = search_next_ref_view;
8231 if (view->close == NULL)
8232 close_ref_view(view);
8238 static const struct got_error *
8239 close_ref_view(struct tog_view *view)
8241 struct tog_ref_view_state *s = &view->state.ref;
8243 ref_view_free_refs(s);
8244 free_colors(&s->colors);
8249 static const struct got_error *
8250 resolve_reflist_entry(struct got_object_id **commit_id,
8251 struct tog_reflist_entry *re, struct got_repository *repo)
8253 const struct got_error *err = NULL;
8254 struct got_object_id *obj_id;
8255 struct got_tag_object *tag = NULL;
8260 err = got_ref_resolve(&obj_id, repo, re->ref);
8264 err = got_object_get_type(&obj_type, repo, obj_id);
8269 case GOT_OBJ_TYPE_COMMIT:
8270 *commit_id = obj_id;
8272 case GOT_OBJ_TYPE_TAG:
8273 err = got_object_open_as_tag(&tag, repo, obj_id);
8277 err = got_object_get_type(&obj_type, repo,
8278 got_object_tag_get_object_id(tag));
8281 if (obj_type != GOT_OBJ_TYPE_COMMIT) {
8282 err = got_error(GOT_ERR_OBJ_TYPE);
8285 *commit_id = got_object_id_dup(
8286 got_object_tag_get_object_id(tag));
8287 if (*commit_id == NULL) {
8288 err = got_error_from_errno("got_object_id_dup");
8293 err = got_error(GOT_ERR_OBJ_TYPE);
8299 got_object_tag_close(tag);
8307 static const struct got_error *
8308 log_ref_entry(struct tog_view **new_view, int begin_y, int begin_x,
8309 struct tog_reflist_entry *re, struct got_repository *repo)
8311 struct tog_view *log_view;
8312 const struct got_error *err = NULL;
8313 struct got_object_id *commit_id = NULL;
8317 err = resolve_reflist_entry(&commit_id, re, repo);
8319 if (err->code != GOT_ERR_OBJ_TYPE)
8325 log_view = view_open(0, 0, begin_y, begin_x, TOG_VIEW_LOG);
8326 if (log_view == NULL) {
8327 err = got_error_from_errno("view_open");
8331 err = open_log_view(log_view, commit_id, repo,
8332 got_ref_get_name(re->ref), "", 0);
8335 view_close(log_view);
8337 *new_view = log_view;
8343 ref_scroll_up(struct tog_ref_view_state *s, int maxscroll)
8345 struct tog_reflist_entry *re;
8348 if (s->first_displayed_entry == TAILQ_FIRST(&s->refs))
8351 re = TAILQ_PREV(s->first_displayed_entry, tog_reflist_head, entry);
8352 while (i++ < maxscroll) {
8355 s->first_displayed_entry = re;
8356 re = TAILQ_PREV(re, tog_reflist_head, entry);
8360 static const struct got_error *
8361 ref_scroll_down(struct tog_view *view, int maxscroll)
8363 struct tog_ref_view_state *s = &view->state.ref;
8364 struct tog_reflist_entry *next, *last;
8367 if (s->first_displayed_entry)
8368 next = TAILQ_NEXT(s->first_displayed_entry, entry);
8370 next = TAILQ_FIRST(&s->refs);
8372 last = s->last_displayed_entry;
8373 while (next && n++ < maxscroll) {
8375 s->last_displayed_entry = last;
8376 last = TAILQ_NEXT(last, entry);
8378 if (last || (view->mode == TOG_VIEW_SPLIT_HRZN)) {
8379 s->first_displayed_entry = next;
8380 next = TAILQ_NEXT(next, entry);
8387 static const struct got_error *
8388 search_start_ref_view(struct tog_view *view)
8390 struct tog_ref_view_state *s = &view->state.ref;
8392 s->matched_entry = NULL;
8397 match_reflist_entry(struct tog_reflist_entry *re, regex_t *regex)
8399 regmatch_t regmatch;
8401 return regexec(regex, got_ref_get_name(re->ref), 1, ®match,
8405 static const struct got_error *
8406 search_next_ref_view(struct tog_view *view)
8408 struct tog_ref_view_state *s = &view->state.ref;
8409 struct tog_reflist_entry *re = NULL;
8411 if (!view->searching) {
8412 view->search_next_done = TOG_SEARCH_HAVE_MORE;
8416 if (s->matched_entry) {
8417 if (view->searching == TOG_SEARCH_FORWARD) {
8418 if (s->selected_entry)
8419 re = TAILQ_NEXT(s->selected_entry, entry);
8421 re = TAILQ_PREV(s->selected_entry,
8422 tog_reflist_head, entry);
8424 if (s->selected_entry == NULL)
8425 re = TAILQ_LAST(&s->refs, tog_reflist_head);
8427 re = TAILQ_PREV(s->selected_entry,
8428 tog_reflist_head, entry);
8431 if (s->selected_entry)
8432 re = s->selected_entry;
8433 else if (view->searching == TOG_SEARCH_FORWARD)
8434 re = TAILQ_FIRST(&s->refs);
8436 re = TAILQ_LAST(&s->refs, tog_reflist_head);
8441 if (s->matched_entry == NULL) {
8442 view->search_next_done = TOG_SEARCH_HAVE_MORE;
8445 if (view->searching == TOG_SEARCH_FORWARD)
8446 re = TAILQ_FIRST(&s->refs);
8448 re = TAILQ_LAST(&s->refs, tog_reflist_head);
8451 if (match_reflist_entry(re, &view->regex)) {
8452 view->search_next_done = TOG_SEARCH_HAVE_MORE;
8453 s->matched_entry = re;
8457 if (view->searching == TOG_SEARCH_FORWARD)
8458 re = TAILQ_NEXT(re, entry);
8460 re = TAILQ_PREV(re, tog_reflist_head, entry);
8463 if (s->matched_entry) {
8464 s->first_displayed_entry = s->matched_entry;
8471 static const struct got_error *
8472 show_ref_view(struct tog_view *view)
8474 const struct got_error *err = NULL;
8475 struct tog_ref_view_state *s = &view->state.ref;
8476 struct tog_reflist_entry *re;
8479 struct tog_color *tc;
8480 int width, n, scrollx;
8481 int limit = view->nlines;
8483 werase(view->window);
8486 if (view_is_hsplit_top(view))
8487 --limit; /* border */
8492 re = s->first_displayed_entry;
8494 if (asprintf(&line, "references [%d/%d]", re->idx + s->selected + 1,
8496 return got_error_from_errno("asprintf");
8498 err = format_line(&wline, &width, NULL, line, 0, view->ncols, 0, 0);
8503 if (view_needs_focus_indication(view))
8504 wstandout(view->window);
8505 waddwstr(view->window, wline);
8506 while (width++ < view->ncols)
8507 waddch(view->window, ' ');
8508 if (view_needs_focus_indication(view))
8509 wstandend(view->window);
8519 while (re && limit > 0) {
8521 char ymd[13]; /* YYYY-MM-DD + " " + NUL */
8524 struct got_commit_object *ci;
8525 struct got_tag_object *tag;
8526 struct got_object_id *id;
8530 err = got_ref_resolve(&id, s->repo, re->ref);
8533 err = got_object_open_as_tag(&tag, s->repo, id);
8535 if (err->code != GOT_ERR_OBJ_TYPE) {
8539 err = got_object_open_as_commit(&ci, s->repo,
8545 t = got_object_commit_get_committer_time(ci);
8546 got_object_commit_close(ci);
8548 t = got_object_tag_get_tagger_time(tag);
8549 got_object_tag_close(tag);
8552 if (gmtime_r(&t, &tm) == NULL)
8553 return got_error_from_errno("gmtime_r");
8554 if (strftime(ymd, sizeof(ymd), "%G-%m-%d ", &tm) == 0)
8555 return got_error(GOT_ERR_NO_SPACE);
8557 if (got_ref_is_symbolic(re->ref)) {
8558 if (asprintf(&line, "%s%s -> %s", s->show_date ?
8559 ymd : "", got_ref_get_name(re->ref),
8560 got_ref_get_symref_target(re->ref)) == -1)
8561 return got_error_from_errno("asprintf");
8562 } else if (s->show_ids) {
8563 struct got_object_id *id;
8565 err = got_ref_resolve(&id, s->repo, re->ref);
8568 err = got_object_id_str(&id_str, id);
8573 if (asprintf(&line, "%s%s: %s", s->show_date ? ymd : "",
8574 got_ref_get_name(re->ref), id_str) == -1) {
8575 err = got_error_from_errno("asprintf");
8582 } else if (asprintf(&line, "%s%s", s->show_date ? ymd : "",
8583 got_ref_get_name(re->ref)) == -1)
8584 return got_error_from_errno("asprintf");
8586 /* use full line width to determine view->maxx */
8587 err = format_line(&wline, &width, NULL, line, 0, INT_MAX, 0, 0);
8592 view->maxx = MAX(view->maxx, width);
8596 err = format_line(&wline, &width, &scrollx, line, view->x,
8602 if (n == s->selected) {
8604 wstandout(view->window);
8605 s->selected_entry = re;
8607 tc = match_color(&s->colors, got_ref_get_name(re->ref));
8609 wattr_on(view->window,
8610 COLOR_PAIR(tc->colorpair), NULL);
8611 waddwstr(view->window, &wline[scrollx]);
8613 wattr_off(view->window,
8614 COLOR_PAIR(tc->colorpair), NULL);
8615 if (width < view->ncols)
8616 waddch(view->window, '\n');
8617 if (n == s->selected && view->focussed)
8618 wstandend(view->window);
8624 s->last_displayed_entry = re;
8627 re = TAILQ_NEXT(re, entry);
8634 static const struct got_error *
8635 browse_ref_tree(struct tog_view **new_view, int begin_y, int begin_x,
8636 struct tog_reflist_entry *re, struct got_repository *repo)
8638 const struct got_error *err = NULL;
8639 struct got_object_id *commit_id = NULL;
8640 struct tog_view *tree_view;
8644 err = resolve_reflist_entry(&commit_id, re, repo);
8646 if (err->code != GOT_ERR_OBJ_TYPE)
8653 tree_view = view_open(0, 0, begin_y, begin_x, TOG_VIEW_TREE);
8654 if (tree_view == NULL) {
8655 err = got_error_from_errno("view_open");
8659 err = open_tree_view(tree_view, commit_id,
8660 got_ref_get_name(re->ref), repo);
8664 *new_view = tree_view;
8670 static const struct got_error *
8671 ref_goto_line(struct tog_view *view, int nlines)
8673 const struct got_error *err = NULL;
8674 struct tog_ref_view_state *s = &view->state.ref;
8675 int g, idx = s->selected_entry->idx;
8682 else if (g > s->nrefs)
8685 if (g >= s->first_displayed_entry->idx + 1 &&
8686 g <= s->last_displayed_entry->idx + 1 &&
8687 g - s->first_displayed_entry->idx - 1 < nlines) {
8688 s->selected = g - s->first_displayed_entry->idx - 1;
8693 err = ref_scroll_down(view, g - idx - 1);
8696 if (TAILQ_NEXT(s->last_displayed_entry, entry) == NULL &&
8697 s->first_displayed_entry->idx + s->selected < g &&
8698 s->selected < s->ndisplayed - 1)
8699 s->selected = g - s->first_displayed_entry->idx - 1;
8700 } else if (idx + 1 > g)
8701 ref_scroll_up(s, idx - g + 1);
8703 if (g < nlines && s->first_displayed_entry->idx == 0)
8704 s->selected = g - 1;
8710 static const struct got_error *
8711 input_ref_view(struct tog_view **new_view, struct tog_view *view, int ch)
8713 const struct got_error *err = NULL;
8714 struct tog_ref_view_state *s = &view->state.ref;
8715 struct tog_reflist_entry *re;
8716 int n, nscroll = view->nlines - 1;
8719 return ref_goto_line(view, nscroll);
8728 horizontal_scroll_input(view, ch);
8731 s->show_ids = !s->show_ids;
8735 s->show_date = !s->show_date;
8739 s->sort_by_date = !s->sort_by_date;
8740 view->action = s->sort_by_date ? "sort by date" : "sort by name";
8742 err = got_reflist_sort(&tog_refs, s->sort_by_date ?
8743 got_ref_cmp_by_commit_timestamp_descending :
8744 tog_ref_cmp_by_name, s->repo);
8747 got_reflist_object_id_map_free(tog_refs_idmap);
8748 err = got_reflist_object_id_map_create(&tog_refs_idmap,
8749 &tog_refs, s->repo);
8752 ref_view_free_refs(s);
8753 err = ref_view_load_refs(s);
8758 if (!s->selected_entry)
8760 err = view_request_new(new_view, view, TOG_VIEW_LOG);
8764 if (!s->selected_entry)
8766 err = view_request_new(new_view, view, TOG_VIEW_TREE);
8773 s->first_displayed_entry = TAILQ_FIRST(&s->refs);
8778 int eos = view->nlines - 1;
8780 if (view->mode == TOG_VIEW_SPLIT_HRZN)
8784 re = TAILQ_LAST(&s->refs, tog_reflist_head);
8785 for (n = 0; n < eos; n++) {
8788 s->first_displayed_entry = re;
8789 re = TAILQ_PREV(re, tog_reflist_head, entry);
8792 s->selected = n - 1;
8798 if (s->selected > 0) {
8802 ref_scroll_up(s, 1);
8803 if (s->selected_entry == TAILQ_FIRST(&s->refs))
8813 if (s->first_displayed_entry == TAILQ_FIRST(&s->refs))
8814 s->selected -= MIN(nscroll, s->selected);
8815 ref_scroll_up(s, MAX(0, nscroll));
8816 if (s->selected_entry == TAILQ_FIRST(&s->refs))
8822 if (s->selected < s->ndisplayed - 1) {
8826 if (TAILQ_NEXT(s->last_displayed_entry, entry) == NULL) {
8827 /* can't scroll any further */
8831 ref_scroll_down(view, 1);
8841 if (TAILQ_NEXT(s->last_displayed_entry, entry) == NULL) {
8842 /* can't scroll any further; move cursor down */
8843 if (s->selected < s->ndisplayed - 1)
8844 s->selected += MIN(nscroll,
8845 s->ndisplayed - s->selected - 1);
8846 if (view->count > 1 && s->selected < s->ndisplayed - 1)
8847 s->selected += s->ndisplayed - s->selected - 1;
8851 ref_scroll_down(view, nscroll);
8856 err = tog_load_refs(s->repo, s->sort_by_date);
8859 ref_view_free_refs(s);
8860 err = ref_view_load_refs(s);
8863 if (view->nlines >= 2 && s->selected >= view->nlines - 1)
8864 s->selected = view->nlines - 2;
8878 fprintf(stderr, "usage: %s ref [-r repository-path]\n",
8883 static const struct got_error *
8884 cmd_ref(int argc, char *argv[])
8886 const struct got_error *error;
8887 struct got_repository *repo = NULL;
8888 struct got_worktree *worktree = NULL;
8889 char *cwd = NULL, *repo_path = NULL;
8891 struct tog_view *view;
8892 int *pack_fds = NULL;
8894 while ((ch = getopt(argc, argv, "r:")) != -1) {
8897 repo_path = realpath(optarg, NULL);
8898 if (repo_path == NULL)
8899 return got_error_from_errno2("realpath",
8914 error = got_repo_pack_fds_open(&pack_fds);
8918 if (repo_path == NULL) {
8919 cwd = getcwd(NULL, 0);
8921 return got_error_from_errno("getcwd");
8922 error = got_worktree_open(&worktree, cwd);
8923 if (error && error->code != GOT_ERR_NOT_WORKTREE)
8927 strdup(got_worktree_get_repo_path(worktree));
8929 repo_path = strdup(cwd);
8930 if (repo_path == NULL) {
8931 error = got_error_from_errno("strdup");
8936 error = got_repo_open(&repo, repo_path, NULL, pack_fds);
8942 error = apply_unveil(got_repo_get_path(repo), NULL);
8946 error = tog_load_refs(repo, 0);
8950 view = view_open(0, 0, 0, 0, TOG_VIEW_REF);
8952 error = got_error_from_errno("view_open");
8956 error = open_ref_view(view, repo);
8961 /* Release work tree lock. */
8962 got_worktree_close(worktree);
8965 error = view_loop(view);
8970 const struct got_error *close_err = got_repo_close(repo);
8975 const struct got_error *pack_err =
8976 got_repo_pack_fds_close(pack_fds);
8984 static const struct got_error*
8985 win_draw_center(WINDOW *win, size_t y, size_t x, size_t maxx, int focus,
8994 x = x ? x : maxx > len ? (maxx - len) / 2 : 0;
8998 if (mvwprintw(win, y, x, "%s", str) == ERR)
8999 return got_error_msg(GOT_ERR_RANGE, "mvwprintw");
9006 static const struct got_error *
9007 add_line_offset(off_t **line_offsets, size_t *nlines, off_t off)
9011 p = reallocarray(*line_offsets, *nlines + 1, sizeof(off_t));
9013 free(*line_offsets);
9014 *line_offsets = NULL;
9015 return got_error_from_errno("reallocarray");
9019 (*line_offsets)[*nlines] = off;
9024 static const struct got_error *
9025 max_key_str(int *ret, const struct tog_key_map *km, size_t n)
9029 for (;n > 0; --n, ++km) {
9033 if (km->keys == NULL)
9036 t = t0 = strdup(km->keys);
9038 return got_error_from_errno("strdup");
9041 while ((k = strsep(&t, " ")) != NULL)
9042 len += strlen(k) > 1 ? 2 : 0;
9044 *ret = MAX(*ret, len);
9051 * Write keymap section headers, keys, and key info in km to f.
9052 * Save line offset to *off. If terminal has UTF8 encoding enabled,
9053 * wrap control and symbolic keys in guillemets, else use <>.
9055 static const struct got_error *
9056 format_help_line(off_t *off, FILE *f, const struct tog_key_map *km, int width)
9061 static const char *u8_glyph[] = {
9062 "\xe2\x80\xb9", /* U+2039 (utf8 <) */
9063 "\xe2\x80\xba" /* U+203A (utf8 >) */
9066 int cs, s, first = 1;
9068 cs = got_locale_is_utf8();
9070 t = t0 = strdup(km->keys);
9072 return got_error_from_errno("strdup");
9074 len = strlen(km->keys);
9075 while ((k = strsep(&t, " ")) != NULL) {
9076 s = strlen(k) > 1; /* control or symbolic key */
9077 n = fprintf(f, "%s%s%s%s%s", first ? " " : "",
9078 cs && s ? u8_glyph[0] : s ? "<" : "", k,
9079 cs && s ? u8_glyph[1] : s ? ">" : "", t ? " " : "");
9082 return got_error_from_errno("fprintf");
9090 n = fprintf(f, "%*s%s\n", width - len, width - len ? " " : "", km->info);
9092 return got_error_from_errno("fprintf");
9098 static const struct got_error *
9099 format_help(struct tog_help_view_state *s)
9101 const struct got_error *err = NULL;
9103 int i, max, n, show = s->all;
9104 static const struct tog_key_map km[] = {
9105 #define KEYMAP_(info, type) { NULL, (info), type }
9106 #define KEY_(keys, info) { (keys), (info), TOG_KEYMAP_KEYS }
9112 err = add_line_offset(&s->line_offsets, &s->nlines, 0);
9117 err = max_key_str(&max, km, n);
9121 for (i = 0; i < n; ++i) {
9122 if (km[i].keys == NULL) {
9124 if (km[i].type == TOG_KEYMAP_GLOBAL ||
9125 km[i].type == s->type || s->all)
9129 err = format_help_line(&off, s->f, &km[i], max);
9132 err = add_line_offset(&s->line_offsets, &s->nlines, off);
9139 err = add_line_offset(&s->line_offsets, &s->nlines, off);
9143 static const struct got_error *
9144 create_help(struct tog_help_view_state *s)
9147 const struct got_error *err;
9149 free(s->line_offsets);
9150 s->line_offsets = NULL;
9155 return got_error_from_errno("got_opentemp");
9158 err = format_help(s);
9162 if (s->f && fflush(s->f) != 0)
9163 return got_error_from_errno("fflush");
9168 static const struct got_error *
9169 search_start_help_view(struct tog_view *view)
9171 view->state.help.matched_line = 0;
9176 search_setup_help_view(struct tog_view *view, FILE **f, off_t **line_offsets,
9177 size_t *nlines, int **first, int **last, int **match, int **selected)
9179 struct tog_help_view_state *s = &view->state.help;
9182 *nlines = s->nlines;
9183 *line_offsets = s->line_offsets;
9184 *match = &s->matched_line;
9185 *first = &s->first_displayed_line;
9186 *last = &s->last_displayed_line;
9187 *selected = &s->selected_line;
9190 static const struct got_error *
9191 show_help_view(struct tog_view *view)
9193 struct tog_help_view_state *s = &view->state.help;
9194 const struct got_error *err;
9195 regmatch_t *regmatch = &view->regmatch;
9200 int width, nprinted = 0, rc = 0;
9201 int eos = view->nlines;
9203 if (view_is_hsplit_top(view))
9204 --eos; /* account for border */
9208 werase(view->window);
9210 if (view->gline > s->nlines - 1)
9211 view->gline = s->nlines - 1;
9213 err = win_draw_center(view->window, 0, 0, view->ncols,
9214 view_needs_focus_indication(view),
9215 "tog help (press q to return to tog)");
9220 waddstr(view->window, "\n\n");
9226 while (eos > 0 && nprinted < eos) {
9229 linelen = getline(&line, &linesz, s->f);
9230 if (linelen == -1) {
9233 return got_ferror(s->f, GOT_ERR_IO);
9238 if (++s->lineno < s->first_displayed_line)
9240 if (view->gline && !gotoline(view, &s->lineno, &nprinted))
9242 if (s->lineno == view->hiline)
9245 err = format_line(&wline, &width, NULL, line, 0, INT_MAX, 0,
9251 view->maxx = MAX(view->maxx, width);
9256 wattron(view->window, attr);
9257 if (s->first_displayed_line + nprinted == s->matched_line &&
9258 regmatch->rm_so >= 0 && regmatch->rm_so < regmatch->rm_eo) {
9259 err = add_matched_line(&width, line, view->ncols - 1, 0,
9260 view->window, view->x, regmatch);
9268 err = format_line(&wline, &width, &skip, line,
9269 view->x, view->ncols, 0, view->x ? 1 : 0);
9274 waddwstr(view->window, &wline[skip]);
9278 if (s->lineno == view->hiline) {
9279 while (width++ < view->ncols)
9280 waddch(view->window, ' ');
9282 if (width < view->ncols)
9283 waddch(view->window, '\n');
9286 wattroff(view->window, attr);
9287 if (++nprinted == 1)
9288 s->first_displayed_line = s->lineno;
9292 s->last_displayed_line = s->first_displayed_line + nprinted - 1;
9294 s->last_displayed_line = s->first_displayed_line;
9299 rc = waddnstr(view->window,
9300 "See the tog(1) manual page for full documentation",
9303 return got_error_msg(GOT_ERR_RANGE, "waddnstr");
9305 wmove(view->window, view->nlines - 1, 0);
9306 wclrtoeol(view->window);
9307 wstandout(view->window);
9308 rc = waddnstr(view->window, "scroll down for more...",
9311 return got_error_msg(GOT_ERR_RANGE, "waddnstr");
9312 if (getcurx(view->window) < view->ncols - 6) {
9313 rc = wprintw(view->window, "[%.0f%%]",
9314 100.00 * s->last_displayed_line / s->nlines);
9316 return got_error_msg(GOT_ERR_IO, "wprintw");
9318 wstandend(view->window);
9324 static const struct got_error *
9325 input_help_view(struct tog_view **new_view, struct tog_view *view, int ch)
9327 struct tog_help_view_state *s = &view->state.help;
9328 const struct got_error *err = NULL;
9334 eos = nscroll = view->nlines;
9335 if (view_is_hsplit_top(view))
9338 s->lineno = s->first_displayed_line - 1 + s->selected_line;
9347 horizontal_scroll_input(view, ch);
9351 s->first_displayed_line = 1;
9359 s->first_displayed_line = (s->nlines - eos) + 3;
9364 if (s->first_displayed_line > 1)
9365 --s->first_displayed_line;
9376 if (s->first_displayed_line == 1) {
9380 while (--nscroll > 0 && s->first_displayed_line > 1)
9381 s->first_displayed_line--;
9387 ++s->first_displayed_line;
9403 while (!s->eof && --nscroll > 0) {
9404 linelen = getline(&line, &linesz, s->f);
9405 s->first_displayed_line++;
9406 if (linelen == -1) {
9410 err = got_ferror(s->f, GOT_ERR_IO);
9424 static const struct got_error *
9425 close_help_view(struct tog_view *view)
9427 struct tog_help_view_state *s = &view->state.help;
9429 free(s->line_offsets);
9430 s->line_offsets = NULL;
9431 if (fclose(s->f) == EOF)
9432 return got_error_from_errno("fclose");
9437 static const struct got_error *
9438 reset_help_view(struct tog_view *view)
9440 struct tog_help_view_state *s = &view->state.help;
9443 if (s->f && fclose(s->f) == EOF)
9444 return got_error_from_errno("fclose");
9446 wclear(view->window);
9450 s->first_displayed_line = 1;
9451 s->last_displayed_line = view->nlines;
9452 s->matched_line = 0;
9454 return create_help(s);
9457 static const struct got_error *
9458 open_help_view(struct tog_view *view, struct tog_view *parent)
9460 const struct got_error *err = NULL;
9461 struct tog_help_view_state *s = &view->state.help;
9463 s->type = (enum tog_keymap_type)parent->type;
9464 s->first_displayed_line = 1;
9465 s->last_displayed_line = view->nlines;
9466 s->selected_line = 1;
9468 view->show = show_help_view;
9469 view->input = input_help_view;
9470 view->reset = reset_help_view;
9471 view->close = close_help_view;
9472 view->search_start = search_start_help_view;
9473 view->search_setup = search_setup_help_view;
9474 view->search_next = search_next_view_match;
9476 err = create_help(s);
9480 static const struct got_error *
9481 view_dispatch_request(struct tog_view **new_view, struct tog_view *view,
9482 enum tog_view_type request, int y, int x)
9484 const struct got_error *err = NULL;
9490 if (view->type == TOG_VIEW_LOG) {
9491 struct tog_log_view_state *s = &view->state.log;
9493 err = open_diff_view_for_commit(new_view, y, x,
9494 s->selected_entry->commit, s->selected_entry->id,
9497 return got_error_msg(GOT_ERR_NOT_IMPL,
9498 "parent/child view pair not supported");
9500 case TOG_VIEW_BLAME:
9501 if (view->type == TOG_VIEW_TREE) {
9502 struct tog_tree_view_state *s = &view->state.tree;
9504 err = blame_tree_entry(new_view, y, x,
9505 s->selected_entry, &s->parents, s->commit_id,
9508 return got_error_msg(GOT_ERR_NOT_IMPL,
9509 "parent/child view pair not supported");
9512 if (view->type == TOG_VIEW_BLAME)
9513 err = log_annotated_line(new_view, y, x,
9514 view->state.blame.repo, view->state.blame.id_to_log);
9515 else if (view->type == TOG_VIEW_TREE)
9516 err = log_selected_tree_entry(new_view, y, x,
9518 else if (view->type == TOG_VIEW_REF)
9519 err = log_ref_entry(new_view, y, x,
9520 view->state.ref.selected_entry,
9521 view->state.ref.repo);
9523 return got_error_msg(GOT_ERR_NOT_IMPL,
9524 "parent/child view pair not supported");
9527 if (view->type == TOG_VIEW_LOG)
9528 err = browse_commit_tree(new_view, y, x,
9529 view->state.log.selected_entry,
9530 view->state.log.in_repo_path,
9531 view->state.log.head_ref_name,
9532 view->state.log.repo);
9533 else if (view->type == TOG_VIEW_REF)
9534 err = browse_ref_tree(new_view, y, x,
9535 view->state.ref.selected_entry,
9536 view->state.ref.repo);
9538 return got_error_msg(GOT_ERR_NOT_IMPL,
9539 "parent/child view pair not supported");
9542 *new_view = view_open(0, 0, y, x, TOG_VIEW_REF);
9543 if (*new_view == NULL)
9544 return got_error_from_errno("view_open");
9545 if (view->type == TOG_VIEW_LOG)
9546 err = open_ref_view(*new_view, view->state.log.repo);
9547 else if (view->type == TOG_VIEW_TREE)
9548 err = open_ref_view(*new_view, view->state.tree.repo);
9550 err = got_error_msg(GOT_ERR_NOT_IMPL,
9551 "parent/child view pair not supported");
9553 view_close(*new_view);
9556 *new_view = view_open(0, 0, 0, 0, TOG_VIEW_HELP);
9557 if (*new_view == NULL)
9558 return got_error_from_errno("view_open");
9559 err = open_help_view(*new_view, view);
9561 view_close(*new_view);
9564 return got_error_msg(GOT_ERR_NOT_IMPL, "invalid view");
9571 * If view was scrolled down to move the selected line into view when opening a
9572 * horizontal split, scroll back up when closing the split/toggling fullscreen.
9575 offset_selection_up(struct tog_view *view)
9577 switch (view->type) {
9578 case TOG_VIEW_BLAME: {
9579 struct tog_blame_view_state *s = &view->state.blame;
9580 if (s->first_displayed_line == 1) {
9581 s->selected_line = MAX(s->selected_line - view->offset,
9585 if (s->first_displayed_line > view->offset)
9586 s->first_displayed_line -= view->offset;
9588 s->first_displayed_line = 1;
9589 s->selected_line += view->offset;
9593 log_scroll_up(&view->state.log, view->offset);
9594 view->state.log.selected += view->offset;
9597 ref_scroll_up(&view->state.ref, view->offset);
9598 view->state.ref.selected += view->offset;
9601 tree_scroll_up(&view->state.tree, view->offset);
9602 view->state.tree.selected += view->offset;
9612 * If the selected line is in the section of screen covered by the bottom split,
9613 * scroll down offset lines to move it into view and index its new position.
9615 static const struct got_error *
9616 offset_selection_down(struct tog_view *view)
9618 const struct got_error *err = NULL;
9619 const struct got_error *(*scrolld)(struct tog_view *, int);
9620 int *selected = NULL;
9623 switch (view->type) {
9624 case TOG_VIEW_BLAME: {
9625 struct tog_blame_view_state *s = &view->state.blame;
9628 if (s->selected_line > view->nlines - header) {
9629 offset = abs(view->nlines - s->selected_line - header);
9630 s->first_displayed_line += offset;
9631 s->selected_line -= offset;
9632 view->offset = offset;
9636 case TOG_VIEW_LOG: {
9637 struct tog_log_view_state *s = &view->state.log;
9638 scrolld = &log_scroll_down;
9639 header = view_is_parent_view(view) ? 3 : 2;
9640 selected = &s->selected;
9643 case TOG_VIEW_REF: {
9644 struct tog_ref_view_state *s = &view->state.ref;
9645 scrolld = &ref_scroll_down;
9647 selected = &s->selected;
9650 case TOG_VIEW_TREE: {
9651 struct tog_tree_view_state *s = &view->state.tree;
9652 scrolld = &tree_scroll_down;
9654 selected = &s->selected;
9664 if (selected && *selected > view->nlines - header) {
9665 offset = abs(view->nlines - *selected - header);
9666 view->offset = offset;
9667 if (scrolld && offset) {
9668 err = scrolld(view, offset);
9669 *selected -= offset;
9677 list_commands(FILE *fp)
9681 fprintf(fp, "commands:");
9682 for (i = 0; i < nitems(tog_commands); i++) {
9683 const struct tog_cmd *cmd = &tog_commands[i];
9684 fprintf(fp, " %s", cmd->name);
9690 usage(int hflag, int status)
9692 FILE *fp = (status == 0) ? stdout : stderr;
9694 fprintf(fp, "usage: %s [-hV] command [arg ...]\n",
9697 fprintf(fp, "lazy usage: %s path\n", getprogname());
9704 make_argv(int argc, ...)
9712 argv = calloc(argc, sizeof(char *));
9715 for (i = 0; i < argc; i++) {
9716 argv[i] = strdup(va_arg(ap, char *));
9717 if (argv[i] == NULL)
9726 * Try to convert 'tog path' into a 'tog log path' command.
9727 * The user could simply have mistyped the command rather than knowingly
9728 * provided a path. So check whether argv[0] can in fact be resolved
9729 * to a path in the HEAD commit and print a special error if not.
9730 * This hack is for mpi@ <3
9732 static const struct got_error *
9733 tog_log_with_path(int argc, char *argv[])
9735 const struct got_error *error = NULL, *close_err;
9736 const struct tog_cmd *cmd = NULL;
9737 struct got_repository *repo = NULL;
9738 struct got_worktree *worktree = NULL;
9739 struct got_object_id *commit_id = NULL, *id = NULL;
9740 struct got_commit_object *commit = NULL;
9741 char *cwd = NULL, *repo_path = NULL, *in_repo_path = NULL;
9742 char *commit_id_str = NULL, **cmd_argv = NULL;
9743 int *pack_fds = NULL;
9745 cwd = getcwd(NULL, 0);
9747 return got_error_from_errno("getcwd");
9749 error = got_repo_pack_fds_open(&pack_fds);
9753 error = got_worktree_open(&worktree, cwd);
9754 if (error && error->code != GOT_ERR_NOT_WORKTREE)
9758 repo_path = strdup(got_worktree_get_repo_path(worktree));
9760 repo_path = strdup(cwd);
9761 if (repo_path == NULL) {
9762 error = got_error_from_errno("strdup");
9766 error = got_repo_open(&repo, repo_path, NULL, pack_fds);
9770 error = get_in_repo_path_from_argv0(&in_repo_path, argc, argv,
9775 error = tog_load_refs(repo, 0);
9778 error = got_repo_match_object_id(&commit_id, NULL, worktree ?
9779 got_worktree_get_head_ref_name(worktree) : GOT_REF_HEAD,
9780 GOT_OBJ_TYPE_COMMIT, &tog_refs, repo);
9785 got_worktree_close(worktree);
9789 error = got_object_open_as_commit(&commit, repo, commit_id);
9793 error = got_object_id_by_path(&id, repo, commit, in_repo_path);
9795 if (error->code != GOT_ERR_NO_TREE_ENTRY)
9797 fprintf(stderr, "%s: '%s' is no known command or path\n",
9798 getprogname(), argv[0]);
9803 error = got_object_id_str(&commit_id_str, commit_id);
9807 cmd = &tog_commands[0]; /* log */
9809 cmd_argv = make_argv(argc, cmd->name, "-c", commit_id_str, argv[0]);
9810 error = cmd->cmd_main(argc, cmd_argv);
9813 close_err = got_repo_close(repo);
9818 got_object_commit_close(commit);
9820 got_worktree_close(worktree);
9822 const struct got_error *pack_err =
9823 got_repo_pack_fds_close(pack_fds);
9828 free(commit_id_str);
9835 for (i = 0; i < argc; i++)
9844 main(int argc, char *argv[])
9846 const struct got_error *io_err, *error = NULL;
9847 const struct tog_cmd *cmd = NULL;
9848 int ch, hflag = 0, Vflag = 0;
9849 char **cmd_argv = NULL;
9850 static const struct option longopts[] = {
9851 { "version", no_argument, NULL, 'V' },
9854 char *diff_algo_str = NULL;
9855 const char *test_script_path;
9857 setlocale(LC_CTYPE, "");
9860 * Test mode init must happen before pledge() because "tty" will
9861 * not allow TTY-related ioctls to occur via regular files.
9863 test_script_path = getenv("TOG_TEST_SCRIPT");
9864 if (test_script_path != NULL) {
9865 error = init_mock_term(test_script_path);
9867 fprintf(stderr, "%s: %s\n", getprogname(), error->msg);
9870 } else if (!isatty(STDIN_FILENO))
9871 errx(1, "standard input is not a tty");
9873 #if !defined(PROFILE)
9874 if (pledge("stdio rpath wpath cpath flock proc tty exec sendfd unveil",
9879 while ((ch = getopt_long(argc, argv, "+hV", longopts, NULL)) != -1) {
9899 got_version_print_str();
9906 /* Build an argument vector which runs a default command. */
9907 cmd = &tog_commands[0];
9909 cmd_argv = make_argv(argc, cmd->name);
9913 /* Did the user specify a command? */
9914 for (i = 0; i < nitems(tog_commands); i++) {
9915 if (strncmp(tog_commands[i].name, argv[0],
9916 strlen(argv[0])) == 0) {
9917 cmd = &tog_commands[i];
9923 diff_algo_str = getenv("TOG_DIFF_ALGORITHM");
9924 if (diff_algo_str) {
9925 if (strcasecmp(diff_algo_str, "patience") == 0)
9926 tog_diff_algo = GOT_DIFF_ALGORITHM_PATIENCE;
9927 if (strcasecmp(diff_algo_str, "myers") == 0)
9928 tog_diff_algo = GOT_DIFF_ALGORITHM_MYERS;
9934 /* No command specified; try log with a path */
9935 error = tog_log_with_path(argc, argv);
9940 error = cmd->cmd_main(argc, cmd_argv ? cmd_argv : argv);
9943 if (using_mock_io) {
9944 io_err = tog_io_close();
9951 for (i = 0; i < argc; i++)
9956 if (error && error->code != GOT_ERR_CANCELLED &&
9957 error->code != GOT_ERR_EOF &&
9958 error->code != GOT_ERR_PRIVSEP_EXIT &&
9959 error->code != GOT_ERR_PRIVSEP_PIPE &&
9960 !(error->code == GOT_ERR_ERRNO && errno == EINTR))
9961 fprintf(stderr, "%s: %s\n", getprogname(), error->msg);