2 * Copyright (c) 2020-2022 Tracey Emery <tracey@traceyemery.net>
3 * Copyright (c) 2018, 2019 Stefan Sperling <stsp@openbsd.org>
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #include "got_compat.h"
20 #include <sys/queue.h>
21 #include <sys/socket.h>
31 #include "got_error.h"
32 #include "got_object.h"
33 #include "got_reference.h"
34 #include "got_repository.h"
36 #include "got_cancel.h"
38 #include "got_commit_graph.h"
39 #include "got_blame.h"
40 #include "got_privsep.h"
44 static const struct got_error *got_init_repo_commit(struct repo_commit **);
45 static const struct got_error *got_init_repo_tag(struct repo_tag **);
46 static const struct got_error *got_get_repo_commit(struct request *,
47 struct repo_commit *, struct got_commit_object *, struct got_reflist_head *,
48 struct got_object_id *);
49 static const struct got_error *got_gotweb_dupfd(int *, int *);
50 static const struct got_error *got_gotweb_openfile(FILE **, int *);
51 static const struct got_error *got_gotweb_blame_cb(void *, int, int,
52 struct got_commit_object *,struct got_object_id *);
54 const struct got_error *
55 got_gotweb_closefile(FILE *f)
57 const struct got_error *err = NULL;
59 if (fseek(f, 0, SEEK_SET) == -1)
60 err = got_error_from_errno("fseek");
62 if (err == NULL && ftruncate(fileno(f), 0) == -1)
63 err = got_error_from_errno("ftruncate");
65 if (fclose(f) == EOF && err == NULL)
66 err = got_error_from_errno("fclose");
71 static const struct got_error *
72 got_gotweb_openfile(FILE **f, int *priv_fd)
78 return got_error_from_errno("dup");
80 *f = fdopen(fd, "w+");
83 return got_error(GOT_ERR_PRIVSEP_NO_FD);
89 static const struct got_error *
90 got_gotweb_dupfd(int *priv_fd, int *fd)
95 return got_error_from_errno("dup");
100 const struct got_error *
101 got_get_repo_owner(char **owner, struct request *c)
103 struct server *srv = c->srv;
104 struct transport *t = c->t;
105 struct got_repository *repo = t->repo;
106 const char *gitconfig_owner;
110 if (srv->show_repo_owner == 0)
113 gitconfig_owner = got_repo_get_gitconfig_owner(repo);
114 if (gitconfig_owner) {
115 *owner = strdup(gitconfig_owner);
117 return got_error_from_errno("strdup");
121 return got_error_from_errno("strdup");
126 const struct got_error *
127 got_get_repo_age(time_t *repo_age, struct request *c, const char *refname)
129 const struct got_error *error = NULL;
130 struct transport *t = c->t;
131 struct got_repository *repo = t->repo;
132 struct got_commit_object *commit = NULL;
133 struct got_reflist_head refs;
134 struct got_reflist_entry *re;
135 time_t committer_time = 0, cmp_time = 0;
141 error = got_ref_list(&refs, repo, "refs/heads",
142 got_ref_cmp_by_name, NULL);
147 * Find the youngest branch tip in the repository, or the age of
148 * the a specific branch tip if a name was provided by the caller.
150 TAILQ_FOREACH(re, &refs, entry) {
151 struct got_object_id *id = NULL;
153 if (refname && strcmp(got_ref_get_name(re->ref), refname) != 0)
156 error = got_ref_resolve(&id, repo, re->ref);
160 error = got_object_open_as_commit(&commit, repo, id);
166 got_object_commit_get_committer_time(commit);
167 got_object_commit_close(commit);
168 if (cmp_time < committer_time)
169 cmp_time = committer_time;
176 *repo_age = cmp_time;
178 got_ref_list_free(&refs);
182 static const struct got_error *
183 got_get_repo_commit(struct request *c, struct repo_commit *repo_commit,
184 struct got_commit_object *commit, struct got_reflist_head *refs,
185 struct got_object_id *id)
187 const struct got_error *error = NULL;
188 struct got_reflist_entry *re;
189 struct got_object_id *id2 = NULL;
190 struct got_object_qid *parent_id;
191 struct transport *t = c->t;
192 struct querystring *qs = c->t->qs;
193 char *commit_msg = NULL, *commit_msg0;
195 TAILQ_FOREACH(re, refs, entry) {
198 struct got_tag_object *tag = NULL;
199 struct got_object_id *ref_id;
202 if (got_ref_is_symbolic(re->ref))
205 name = got_ref_get_name(re->ref);
206 if (strncmp(name, "refs/", 5) == 0)
208 if (strncmp(name, "got/", 4) == 0)
210 if (strncmp(name, "heads/", 6) == 0)
212 if (strncmp(name, "remotes/", 8) == 0) {
214 if (strstr(name, "/" GOT_REF_HEAD) != NULL)
217 error = got_ref_resolve(&ref_id, t->repo, re->ref);
220 if (strncmp(name, "tags/", 5) == 0) {
221 error = got_object_open_as_tag(&tag, t->repo, ref_id);
223 if (error->code != GOT_ERR_OBJ_TYPE) {
228 * Ref points at something other
235 cmp = got_object_id_cmp(tag ?
236 got_object_tag_get_object_id(tag) : ref_id, id);
239 got_object_tag_close(tag);
242 s = repo_commit->refs_str;
243 if (asprintf(&repo_commit->refs_str, "%s%s%s", s ? s : "",
244 s ? ", " : "", name) == -1) {
245 error = got_error_from_errno("asprintf");
247 repo_commit->refs_str = NULL;
253 error = got_object_id_str(&repo_commit->commit_id, id);
257 error = got_object_id_str(&repo_commit->tree_id,
258 got_object_commit_get_tree_id(commit));
262 if (qs->action == DIFF || qs->action == PATCH) {
263 parent_id = STAILQ_FIRST(
264 got_object_commit_get_parent_ids(commit));
265 if (parent_id != NULL) {
266 id2 = got_object_id_dup(&parent_id->id);
267 error = got_object_id_str(&repo_commit->parent_id, id2);
272 repo_commit->parent_id = strdup("/dev/null");
273 if (repo_commit->parent_id == NULL) {
274 error = got_error_from_errno("strdup");
280 repo_commit->committer_time =
281 got_object_commit_get_committer_time(commit);
283 repo_commit->author =
284 strdup(got_object_commit_get_author(commit));
285 if (repo_commit->author == NULL) {
286 error = got_error_from_errno("strdup");
289 repo_commit->committer =
290 strdup(got_object_commit_get_committer(commit));
291 if (repo_commit->committer == NULL) {
292 error = got_error_from_errno("strdup");
295 error = got_object_commit_get_logmsg(&commit_msg0, commit);
299 commit_msg = commit_msg0;
300 while (*commit_msg == '\n')
303 repo_commit->commit_msg = strdup(commit_msg);
304 if (repo_commit->commit_msg == NULL)
305 error = got_error_from_errno("strdup");
310 const struct got_error *
311 got_get_repo_commits(struct request *c, size_t limit)
313 const struct got_error *error = NULL;
314 struct got_object_id *id = NULL;
315 struct got_commit_graph *graph = NULL;
316 struct got_commit_object *commit = NULL;
317 struct got_reflist_head refs;
318 struct got_reference *ref = NULL;
319 struct repo_commit *repo_commit = NULL;
320 struct server *srv = c->srv;
321 struct transport *t = c->t;
322 struct got_repository *repo = t->repo;
323 struct querystring *qs = t->qs;
324 struct repo_dir *repo_dir = t->repo_dir;
325 char *in_repo_path = NULL, *repo_path = NULL, *file_path = NULL;
329 return got_error(GOT_ERR_RANGE);
333 * Traverse one commit more than requested to provide
342 if (qs->file != NULL && *qs->file != '\0')
343 if (asprintf(&file_path, "%s/%s", qs->folder ? qs->folder : "",
345 return got_error_from_errno("asprintf");
347 if (asprintf(&repo_path, "%s/%s", srv->repos_path,
348 repo_dir->name) == -1) {
349 error = got_error_from_errno("asprintf");
354 error = got_repo_match_object_id_prefix(&id, qs->commit,
355 GOT_OBJ_TYPE_COMMIT, repo);
359 error = got_ref_open(&ref, repo, qs->headref, 0);
363 error = got_ref_resolve(&id, repo, ref);
368 error = got_repo_map_path(&in_repo_path, repo, repo_path);
372 error = got_ref_list(&refs, repo, NULL, got_ref_cmp_by_name, NULL);
376 if (qs->file != NULL && *qs->file != '\0') {
377 error = got_commit_graph_open(&graph, file_path, 0);
381 error = got_commit_graph_open(&graph, in_repo_path, 0);
386 error = got_commit_graph_iter_start(graph, id, repo, NULL, NULL);
391 struct got_object_id next_id;
393 error = got_commit_graph_iter_next(&next_id, graph, repo, NULL,
396 if (error->code == GOT_ERR_ITER_COMPLETED)
401 error = got_object_open_as_commit(&commit, repo, &next_id);
405 error = got_init_repo_commit(&repo_commit);
409 error = got_get_repo_commit(c, repo_commit, commit,
412 gotweb_free_repo_commit(repo_commit);
416 if (--limit == 0 && chk_next) {
417 t->more_id = strdup(repo_commit->commit_id);
418 if (t->more_id == NULL)
419 error = got_error_from_errno("strdup");
423 TAILQ_INSERT_TAIL(&t->repo_commits, repo_commit, entry);
429 got_object_commit_close(commit);
437 got_object_commit_close(commit);
439 got_commit_graph_close(graph);
440 got_ref_list_free(&refs);
448 const struct got_error *
449 got_get_repo_tags(struct request *c, size_t limit)
451 const struct got_error *error = NULL;
452 struct got_object_id *id = NULL;
453 struct got_commit_object *commit = NULL;
454 struct got_reflist_head refs;
455 struct got_reference *ref;
456 struct got_reflist_entry *re;
457 struct server *srv = c->srv;
458 struct transport *t = c->t;
459 struct got_repository *repo = t->repo;
460 struct querystring *qs = t->qs;
461 struct repo_dir *repo_dir = t->repo_dir;
462 struct got_tag_object *tag = NULL;
463 struct repo_tag *rt = NULL, *trt = NULL;
464 char *in_repo_path = NULL, *repo_path = NULL, *id_str = NULL;
465 char *tag_commit = NULL, *tag_commit0 = NULL;
466 char *commit_msg = NULL, *commit_msg0 = NULL;
467 int chk_next = 0, chk_multi = 1, commit_found = 0, c_cnt = 0;
472 return got_error(GOT_ERR_RANGE);
474 if (asprintf(&repo_path, "%s/%s", srv->repos_path,
475 repo_dir->name) == -1)
476 return got_error_from_errno("asprintf");
478 if (qs->commit == NULL && (qs->action == TAGS || qs->action == RSS)) {
479 error = got_ref_open(&ref, repo, qs->headref, 0);
482 error = got_ref_resolve(&id, repo, ref);
486 } else if (qs->commit == NULL && qs->action == TAG) {
487 error = got_error_msg(GOT_ERR_EOF, "commit id missing");
490 error = got_repo_match_object_id_prefix(&id, qs->commit,
491 GOT_OBJ_TYPE_COMMIT, repo);
496 if (qs->action != SUMMARY && qs->action != TAGS) {
497 error = got_object_open_as_commit(&commit, repo, id);
500 error = got_object_commit_get_logmsg(&commit_msg0, commit);
504 got_object_commit_close(commit);
509 error = got_repo_map_path(&in_repo_path, repo, repo_path);
513 error = got_ref_list(&refs, repo, "refs/tags", got_ref_cmp_tags,
522 * XXX: again, see previous message about caching
525 TAILQ_FOREACH(re, &refs, entry) {
526 struct repo_tag *new_repo_tag = NULL;
527 error = got_init_repo_tag(&new_repo_tag);
531 TAILQ_INSERT_TAIL(&t->repo_tags, new_repo_tag, entry);
533 new_repo_tag->tag_name = strdup(got_ref_get_name(re->ref));
534 if (new_repo_tag->tag_name == NULL) {
535 error = got_error_from_errno("strdup");
545 error = got_ref_resolve(&id, repo, re->ref);
550 got_object_tag_close(tag);
551 error = got_object_open_as_tag(&tag, repo, id);
553 if (error->code != GOT_ERR_OBJ_TYPE)
555 /* "lightweight" tag */
556 error = got_object_open_as_commit(&commit, repo, id);
559 new_repo_tag->tagger =
560 strdup(got_object_commit_get_committer(commit));
561 if (new_repo_tag->tagger == NULL) {
562 error = got_error_from_errno("strdup");
565 new_repo_tag->tagger_time =
566 got_object_commit_get_committer_time(commit);
567 error = got_object_id_str(&id_str, id);
571 new_repo_tag->tagger =
572 strdup(got_object_tag_get_tagger(tag));
573 if (new_repo_tag->tagger == NULL) {
574 error = got_error_from_errno("strdup");
577 new_repo_tag->tagger_time =
578 got_object_tag_get_tagger_time(tag);
579 error = got_object_id_str(&id_str,
580 got_object_tag_get_object_id(tag));
585 new_repo_tag->commit_id = strdup(id_str);
586 if (new_repo_tag->commit_id == NULL)
589 if (commit_found == 0 && qs->commit != NULL &&
590 strncmp(id_str, qs->commit, strlen(id_str)) != 0)
598 * check for one more commit before breaking,
599 * so we know whether to navigate through briefs
600 * commits and summary
603 t->next_id = strdup(new_repo_tag->commit_id);
604 if (t->next_id == NULL) {
605 error = got_error_from_errno("strdup");
609 got_object_commit_close(commit);
612 TAILQ_REMOVE(&t->repo_tags, new_repo_tag, entry);
613 gotweb_free_repo_tag(new_repo_tag);
618 error = got_object_commit_get_logmsg(&tag_commit0,
622 got_object_commit_close(commit);
625 tag_commit0 = strdup(got_object_tag_get_message(tag));
626 if (tag_commit0 == NULL) {
627 error = got_error_from_errno("strdup");
632 tag_commit = tag_commit0;
633 while (*tag_commit == '\n')
635 new_repo_tag->tag_commit = strdup(tag_commit);
636 if (new_repo_tag->tag_commit == NULL) {
637 error = got_error_from_errno("strdup");
643 if (qs->action != SUMMARY && qs->action != TAGS) {
644 commit_msg = commit_msg0;
645 while (*commit_msg == '\n')
648 new_repo_tag->commit_msg = strdup(commit_msg);
649 if (new_repo_tag->commit_msg == NULL) {
650 error = got_error_from_errno("strdup");
655 if (limit && --limit == 0) {
664 * we have tailq populated, so find previous commit id
665 * for navigation through briefs and commits
667 if (t->tag_count == 0) {
668 TAILQ_FOREACH_SAFE(rt, &t->repo_tags, entry, trt) {
669 TAILQ_REMOVE(&t->repo_tags, rt, entry);
670 gotweb_free_repo_tag(rt);
673 if (t->tag_count > 0 && t->prev_id == NULL && qs->commit != NULL) {
675 TAILQ_FOREACH_REVERSE(rt, &t->repo_tags, repo_tags_head,
677 if (commit_found == 0 && rt->commit_id != NULL &&
678 strcmp(qs->commit, rt->commit_id) != 0) {
682 if (c_cnt == srv->max_commits_display ||
683 rt == TAILQ_FIRST(&t->repo_tags)) {
684 t->prev_id = strdup(rt->commit_id);
685 if (t->prev_id == NULL)
686 error = got_error_from_errno("strdup");
694 got_object_commit_close(commit);
696 got_object_tag_close(tag);
697 got_ref_list_free(&refs);
707 got_output_repo_tree(struct request *c, char **readme,
708 int (*cb)(struct template *, struct got_tree_entry *))
710 const struct got_error *error = NULL;
711 struct transport *t = c->t;
712 struct got_commit_object *commit = NULL;
713 struct got_repository *repo = t->repo;
714 struct querystring *qs = t->qs;
715 struct repo_commit *rc = NULL;
716 struct got_object_id *tree_id = NULL, *commit_id = NULL;
717 struct got_reflist_head refs;
718 struct got_tree_object *tree = NULL;
719 struct got_tree_entry *te;
720 struct repo_dir *repo_dir = t->repo_dir;
723 char *escaped_name = NULL, *path = NULL;
729 rc = TAILQ_FIRST(&t->repo_commits);
731 if (qs->folder != NULL) {
732 path = strdup(qs->folder);
734 error = got_error_from_errno("strdup");
738 error = got_repo_map_path(&path, repo, repo_dir->path);
743 error = got_repo_match_object_id(&commit_id, NULL, rc->commit_id,
744 GOT_OBJ_TYPE_COMMIT, &refs, repo);
748 error = got_object_open_as_commit(&commit, repo, commit_id);
752 error = got_object_id_by_path(&tree_id, repo, commit, path);
756 error = got_object_open_as_tree(&tree, repo, tree_id);
760 nentries = got_object_tree_get_nentries(tree);
762 for (i = 0; i < nentries; i++) {
763 te = got_object_tree_get_entry(tree, i);
765 name = got_tree_entry_get_name(te);
766 mode = got_tree_entry_get_mode(te);
767 if (!S_ISDIR(mode) && (!strcasecmp(name, "README") ||
768 !strcasecmp(name, "README.md") ||
769 !strcasecmp(name, "README.txt"))) {
771 *readme = strdup(name);
774 if (cb(c->tp, te) == -1) {
775 error = got_error(GOT_ERR_CANCELLED);
782 got_ref_list_free(&refs);
784 got_object_commit_close(commit);
786 got_object_tree_close(tree);
792 if (error->code != GOT_ERR_CANCELLED)
793 log_warnx("%s: %s", __func__, error->msg);
799 const struct got_error *
800 got_open_blob_for_output(struct got_blob_object **blob, int *fd,
801 int *binary, struct request *c, const char *directory, const char *file,
802 const char *commitstr)
804 const struct got_error *error = NULL;
805 struct got_repository *repo = c->t->repo;
806 struct got_commit_object *commit = NULL;
807 struct got_object_id *commit_id = NULL;
808 struct got_reflist_head refs;
809 char *path = NULL, *in_repo_path = NULL;
818 error = got_ref_list(&refs, repo, "refs/heads",
819 got_ref_cmp_by_name, NULL);
823 if (asprintf(&path, "%s%s%s", directory ? directory : "",
824 directory ? "/" : "", file) == -1) {
825 error = got_error_from_errno("asprintf");
829 error = got_repo_map_path(&in_repo_path, repo, path);
833 if (commitstr == NULL)
834 commitstr = GOT_REF_HEAD;
836 error = got_repo_match_object_id(&commit_id, NULL, commitstr,
837 GOT_OBJ_TYPE_COMMIT, &refs, repo);
841 error = got_object_open_as_commit(&commit, repo, commit_id);
845 error = got_object_id_by_path(&commit_id, repo, commit, in_repo_path);
849 if (commit_id == NULL) {
850 error = got_error(GOT_ERR_NO_OBJ);
854 error = got_object_get_type(&obj_type, repo, commit_id);
858 if (obj_type != GOT_OBJ_TYPE_BLOB) {
859 error = got_error(GOT_ERR_OBJ_TYPE);
863 error = got_gotweb_dupfd(&c->priv_fd[BLOB_FD_1], fd);
867 error = got_object_open_as_blob(blob, repo, commit_id, BUF, *fd);
871 error = got_object_blob_is_binary(binary, *blob);
877 got_object_commit_close(commit);
883 got_object_blob_close(*blob);
888 got_ref_list_free(&refs);
896 got_output_blob_by_lines(struct template *tp, struct got_blob_object *blob,
897 int (*cb)(struct template *, const char *, size_t))
899 const struct got_error *err;
906 err = got_object_blob_getline(&line, &linelen, &linesize,
908 if (err || linelen == -1)
911 if (cb(tp, line, lineno) == -1) {
912 err = got_error(GOT_ERR_CANCELLED);
920 if (err->code != GOT_ERR_CANCELLED)
921 log_warnx("%s: got_object_blob_getline failed: %s",
928 struct blame_cb_args {
929 struct blame_line *lines;
935 struct got_repository *repo;
937 got_render_blame_line_cb cb;
940 static const struct got_error *
941 got_gotweb_blame_cb(void *arg, int nlines, int lineno,
942 struct got_commit_object *commit, struct got_object_id *id)
944 const struct got_error *err = NULL;
945 struct blame_cb_args *a = arg;
946 struct blame_line *bline;
947 struct request *c = a->c;
952 time_t committer_time;
954 if (nlines != a->nlines ||
955 (lineno != -1 && lineno < 1) || lineno > a->nlines)
956 return got_error(GOT_ERR_RANGE);
959 return NULL; /* no change in this commit */
961 /* Annotate this line. */
962 bline = &a->lines[lineno - 1];
963 if (bline->annotated)
965 err = got_object_id_str(&bline->id_str, id);
969 bline->committer = strdup(got_object_commit_get_committer(commit));
970 if (bline->committer == NULL) {
971 err = got_error_from_errno("strdup");
975 committer_time = got_object_commit_get_committer_time(commit);
976 if (gmtime_r(&committer_time, &tm) == NULL)
977 return got_error_from_errno("gmtime_r");
978 if (strftime(bline->datebuf, sizeof(bline->datebuf), "%G-%m-%d",
980 err = got_error(GOT_ERR_NO_SPACE);
983 bline->annotated = 1;
985 /* Print lines annotated so far. */
986 bline = &a->lines[a->lineno_cur - 1];
987 if (!bline->annotated)
990 offset = a->line_offsets[a->lineno_cur - 1];
991 if (fseeko(a->f, offset, SEEK_SET) == -1) {
992 err = got_error_from_errno("fseeko");
996 while (a->lineno_cur <= a->nlines && bline->annotated) {
997 if (getline(&line, &linesize, a->f) == -1) {
999 err = got_error_from_errno("getline");
1003 if (a->cb(c->tp, line, bline, a->nlines_prec,
1004 a->lineno_cur) == -1) {
1005 err = got_error(GOT_ERR_CANCELLED);
1010 bline = &a->lines[a->lineno_cur - 1];
1017 const struct got_error *
1018 got_output_file_blame(struct request *c, got_render_blame_line_cb cb)
1020 const struct got_error *error = NULL;
1021 struct transport *t = c->t;
1022 struct got_repository *repo = t->repo;
1023 struct querystring *qs = c->t->qs;
1024 struct got_object_id *obj_id = NULL, *commit_id = NULL;
1025 struct got_commit_object *commit = NULL;
1026 struct got_reflist_head refs;
1027 struct got_blob_object *blob = NULL;
1028 char *path = NULL, *in_repo_path = NULL;
1029 struct blame_cb_args bca;
1030 int i, obj_type, blobfd = -1, fd1 = -1, fd2 = -1;
1032 FILE *f1 = NULL, *f2 = NULL;
1039 if (asprintf(&path, "%s%s%s", qs->folder ? qs->folder : "",
1040 qs->folder ? "/" : "", qs->file) == -1) {
1041 error = got_error_from_errno("asprintf");
1045 error = got_repo_map_path(&in_repo_path, repo, path);
1049 error = got_repo_match_object_id(&commit_id, NULL, qs->commit,
1050 GOT_OBJ_TYPE_COMMIT, &refs, repo);
1054 error = got_object_open_as_commit(&commit, repo, commit_id);
1058 error = got_object_id_by_path(&obj_id, repo, commit, in_repo_path);
1062 error = got_object_get_type(&obj_type, repo, obj_id);
1066 if (obj_type != GOT_OBJ_TYPE_BLOB) {
1067 error = got_error(GOT_ERR_OBJ_TYPE);
1071 error = got_gotweb_openfile(&bca.f, &c->priv_fd[BLAME_FD_1]);
1075 error = got_gotweb_dupfd(&c->priv_fd[BLAME_FD_2], &blobfd);
1079 error = got_object_open_as_blob(&blob, repo, obj_id, BUF, blobfd);
1083 error = got_object_blob_dump_to_file(&filesize, &bca.nlines,
1084 &bca.line_offsets, bca.f, blob);
1085 if (error || bca.nlines == 0)
1088 /* Don't include \n at EOF in the blame line count. */
1089 if (bca.line_offsets[bca.nlines - 1] == filesize)
1092 bca.lines = calloc(bca.nlines, sizeof(*bca.lines));
1093 if (bca.lines == NULL) {
1094 error = got_error_from_errno("calloc");
1098 bca.nlines_prec = 0;
1107 error = got_gotweb_dupfd(&c->priv_fd[BLAME_FD_3], &fd1);
1111 error = got_gotweb_dupfd(&c->priv_fd[BLAME_FD_4], &fd2);
1115 error = got_gotweb_openfile(&f1, &c->priv_fd[BLAME_FD_5]);
1119 error = got_gotweb_openfile(&f2, &c->priv_fd[BLAME_FD_6]);
1123 error = got_blame(in_repo_path, commit_id, repo,
1124 GOT_DIFF_ALGORITHM_MYERS, got_gotweb_blame_cb, &bca, NULL, NULL,
1129 free(bca.line_offsets);
1130 for (i = 0; i < bca.nlines; i++) {
1131 struct blame_line *bline = &bca.lines[i];
1132 free(bline->id_str);
1133 free(bline->committer);
1137 if (blobfd != -1 && close(blobfd) == -1 && error == NULL)
1138 error = got_error_from_errno("close");
1139 if (fd1 != -1 && close(fd1) == -1 && error == NULL)
1140 error = got_error_from_errno("close");
1141 if (fd2 != -1 && close(fd2) == -1 && error == NULL)
1142 error = got_error_from_errno("close");
1144 const struct got_error *bca_err = got_gotweb_closefile(bca.f);
1149 const struct got_error *f1_err = got_gotweb_closefile(f1);
1154 const struct got_error *f2_err = got_gotweb_closefile(f2);
1159 got_object_commit_close(commit);
1161 got_object_blob_close(blob);
1166 got_ref_list_free(&refs);
1170 const struct got_error *
1171 got_open_diff_for_output(FILE **fp, struct request *c)
1173 const struct got_error *error = NULL;
1174 struct transport *t = c->t;
1175 struct got_repository *repo = t->repo;
1176 struct repo_commit *rc = NULL;
1177 struct got_object_id *id1 = NULL, *id2 = NULL;
1178 struct got_reflist_head refs;
1179 FILE *f1 = NULL, *f2 = NULL, *f3 = NULL;
1180 int obj_type, fd1 = -1, fd2 = -1;
1186 error = got_gotweb_openfile(&f1, &c->priv_fd[DIFF_FD_1]);
1190 error = got_gotweb_openfile(&f2, &c->priv_fd[DIFF_FD_2]);
1194 error = got_gotweb_openfile(&f3, &c->priv_fd[DIFF_FD_3]);
1198 rc = TAILQ_FIRST(&t->repo_commits);
1200 if (rc->parent_id != NULL &&
1201 strncmp(rc->parent_id, "/dev/null", 9) != 0) {
1202 error = got_repo_match_object_id(&id1, NULL,
1203 rc->parent_id, GOT_OBJ_TYPE_ANY,
1209 error = got_repo_match_object_id(&id2, NULL, rc->commit_id,
1210 GOT_OBJ_TYPE_ANY, &refs, repo);
1214 error = got_object_get_type(&obj_type, repo, id2);
1218 error = got_gotweb_dupfd(&c->priv_fd[DIFF_FD_4], &fd1);
1222 error = got_gotweb_dupfd(&c->priv_fd[DIFF_FD_5], &fd2);
1227 case GOT_OBJ_TYPE_BLOB:
1228 error = got_diff_objects_as_blobs(NULL, NULL, f1, f2, fd1, fd2,
1229 id1, id2, NULL, NULL, GOT_DIFF_ALGORITHM_MYERS, 3, 0, 0,
1232 case GOT_OBJ_TYPE_TREE:
1233 error = got_diff_objects_as_trees(NULL, NULL, f1, f2, fd1, fd2,
1234 id1, id2, NULL, "", "", GOT_DIFF_ALGORITHM_MYERS, 3, 0, 0,
1237 case GOT_OBJ_TYPE_COMMIT:
1238 error = got_diff_objects_as_commits(NULL, NULL, f1, f2, fd1,
1239 fd2, id1, id2, NULL, GOT_DIFF_ALGORITHM_MYERS, 3, 0, 0,
1243 error = got_error(GOT_ERR_OBJ_TYPE);
1248 if (fseek(f3, 0, SEEK_SET) == -1) {
1249 error = got_ferror(f3, GOT_ERR_IO);
1256 if (fd1 != -1 && close(fd1) == -1 && error == NULL)
1257 error = got_error_from_errno("close");
1258 if (fd2 != -1 && close(fd2) == -1 && error == NULL)
1259 error = got_error_from_errno("close");
1261 const struct got_error *f1_err = got_gotweb_closefile(f1);
1266 const struct got_error *f2_err = got_gotweb_closefile(f2);
1271 got_gotweb_closefile(f3);
1274 got_ref_list_free(&refs);
1280 static const struct got_error *
1281 got_init_repo_commit(struct repo_commit **rc)
1283 *rc = calloc(1, sizeof(**rc));
1285 return got_error_from_errno2(__func__, "calloc");
1288 (*rc)->refs_str = NULL;
1289 (*rc)->commit_id = NULL;
1290 (*rc)->committer = NULL;
1291 (*rc)->author = NULL;
1292 (*rc)->parent_id = NULL;
1293 (*rc)->tree_id = NULL;
1294 (*rc)->commit_msg = NULL;
1299 static const struct got_error *
1300 got_init_repo_tag(struct repo_tag **rt)
1302 *rt = calloc(1, sizeof(**rt));
1304 return got_error_from_errno2(__func__, "calloc");
1306 (*rt)->commit_id = NULL;
1307 (*rt)->tag_name = NULL;
1308 (*rt)->tag_commit = NULL;
1309 (*rt)->commit_msg = NULL;
1310 (*rt)->tagger = NULL;