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 <sys/queue.h>
19 #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"
45 static const struct got_error *got_init_repo_commit(struct repo_commit **);
46 static const struct got_error *got_init_repo_tag(struct repo_tag **);
47 static const struct got_error *got_get_repo_commit(struct request *,
48 struct repo_commit *, struct got_commit_object *, struct got_reflist_head *,
49 struct got_object_id *);
50 static const struct got_error *got_gotweb_dupfd(int *, int *);
51 static const struct got_error *got_gotweb_openfile(FILE **, int *);
52 static const struct got_error *got_gotweb_blame_cb(void *, int, int,
53 struct got_commit_object *,struct got_object_id *);
55 const struct got_error *
56 got_gotweb_closefile(FILE *f)
58 const struct got_error *err = NULL;
60 if (fseek(f, 0, SEEK_SET) == -1)
61 err = got_error_from_errno("fseek");
63 if (err == NULL && ftruncate(fileno(f), 0) == -1)
64 err = got_error_from_errno("ftruncate");
66 if (fclose(f) == EOF && err == NULL)
67 err = got_error_from_errno("fclose");
72 static const struct got_error *
73 got_gotweb_openfile(FILE **f, int *priv_fd)
79 return got_error_from_errno("dup");
81 *f = fdopen(fd, "w+");
84 return got_error(GOT_ERR_PRIVSEP_NO_FD);
90 static const struct got_error *
91 got_gotweb_dupfd(int *priv_fd, int *fd)
96 return got_error_from_errno("dup");
101 const struct got_error *
102 got_get_repo_owner(char **owner, struct request *c)
104 struct server *srv = c->srv;
105 struct transport *t = c->t;
106 struct got_repository *repo = t->repo;
107 const char *gitconfig_owner;
111 if (srv->show_repo_owner == 0)
114 gitconfig_owner = got_repo_get_gitconfig_owner(repo);
115 if (gitconfig_owner) {
116 *owner = strdup(gitconfig_owner);
118 return got_error_from_errno("strdup");
122 return got_error_from_errno("strdup");
127 const struct got_error *
128 got_get_repo_age(time_t *repo_age, struct request *c, const char *refname)
130 const struct got_error *error = NULL;
131 struct transport *t = c->t;
132 struct got_repository *repo = t->repo;
133 struct got_commit_object *commit = NULL;
134 struct got_reflist_head refs;
135 struct got_reflist_entry *re;
136 time_t committer_time = 0, cmp_time = 0;
142 error = got_ref_list(&refs, repo, "refs/heads",
143 got_ref_cmp_by_name, NULL);
148 * Find the youngest branch tip in the repository, or the age of
149 * the a specific branch tip if a name was provided by the caller.
151 TAILQ_FOREACH(re, &refs, entry) {
152 struct got_object_id *id = NULL;
154 if (refname && strcmp(got_ref_get_name(re->ref), refname) != 0)
157 error = got_ref_resolve(&id, repo, re->ref);
161 error = got_object_open_as_commit(&commit, repo, id);
167 got_object_commit_get_committer_time(commit);
168 got_object_commit_close(commit);
169 if (cmp_time < committer_time)
170 cmp_time = committer_time;
177 *repo_age = cmp_time;
179 got_ref_list_free(&refs);
183 static const struct got_error *
184 got_get_repo_commit(struct request *c, struct repo_commit *repo_commit,
185 struct got_commit_object *commit, struct got_reflist_head *refs,
186 struct got_object_id *id)
188 const struct got_error *error = NULL;
189 struct got_reflist_entry *re;
190 struct got_object_id *id2 = NULL;
191 struct got_object_qid *parent_id;
192 struct transport *t = c->t;
193 struct querystring *qs = c->t->qs;
194 char *commit_msg = NULL, *commit_msg0;
196 TAILQ_FOREACH(re, refs, entry) {
199 struct got_tag_object *tag = NULL;
200 struct got_object_id *ref_id;
203 if (got_ref_is_symbolic(re->ref))
206 name = got_ref_get_name(re->ref);
207 if (strncmp(name, "refs/", 5) == 0)
209 if (strncmp(name, "got/", 4) == 0)
211 if (strncmp(name, "heads/", 6) == 0)
213 if (strncmp(name, "remotes/", 8) == 0) {
215 if (strstr(name, "/" GOT_REF_HEAD) != NULL)
218 error = got_ref_resolve(&ref_id, t->repo, re->ref);
221 if (strncmp(name, "tags/", 5) == 0) {
222 error = got_object_open_as_tag(&tag, t->repo, ref_id);
224 if (error->code != GOT_ERR_OBJ_TYPE) {
229 * Ref points at something other
236 cmp = got_object_id_cmp(tag ?
237 got_object_tag_get_object_id(tag) : ref_id, id);
240 got_object_tag_close(tag);
243 s = repo_commit->refs_str;
244 if (asprintf(&repo_commit->refs_str, "%s%s%s", s ? s : "",
245 s ? ", " : "", name) == -1) {
246 error = got_error_from_errno("asprintf");
248 repo_commit->refs_str = NULL;
254 error = got_object_id_str(&repo_commit->commit_id, id);
258 error = got_object_id_str(&repo_commit->tree_id,
259 got_object_commit_get_tree_id(commit));
263 if (qs->action == DIFF || qs->action == PATCH) {
264 parent_id = STAILQ_FIRST(
265 got_object_commit_get_parent_ids(commit));
266 if (parent_id != NULL) {
267 id2 = got_object_id_dup(&parent_id->id);
268 error = got_object_id_str(&repo_commit->parent_id, id2);
273 repo_commit->parent_id = strdup("/dev/null");
274 if (repo_commit->parent_id == NULL) {
275 error = got_error_from_errno("strdup");
281 repo_commit->committer_time =
282 got_object_commit_get_committer_time(commit);
284 repo_commit->author =
285 strdup(got_object_commit_get_author(commit));
286 if (repo_commit->author == NULL) {
287 error = got_error_from_errno("strdup");
290 repo_commit->committer =
291 strdup(got_object_commit_get_committer(commit));
292 if (repo_commit->committer == NULL) {
293 error = got_error_from_errno("strdup");
296 error = got_object_commit_get_logmsg(&commit_msg0, commit);
300 commit_msg = commit_msg0;
301 while (*commit_msg == '\n')
304 repo_commit->commit_msg = strdup(commit_msg);
305 if (repo_commit->commit_msg == NULL)
306 error = got_error_from_errno("strdup");
311 const struct got_error *
312 got_get_repo_commits(struct request *c, size_t limit)
314 const struct got_error *error = NULL;
315 struct got_object_id *id = NULL;
316 struct got_commit_graph *graph = NULL;
317 struct got_commit_object *commit = NULL;
318 struct got_reflist_head refs;
319 struct got_reference *ref = NULL;
320 struct repo_commit *repo_commit = NULL;
321 struct server *srv = c->srv;
322 struct transport *t = c->t;
323 struct got_repository *repo = t->repo;
324 struct querystring *qs = t->qs;
325 struct repo_dir *repo_dir = t->repo_dir;
326 char *in_repo_path = NULL, *repo_path = NULL, *file_path = NULL;
330 return got_error(GOT_ERR_RANGE);
334 * Traverse one commit more than requested to provide
343 if (qs->file != NULL && *qs->file != '\0')
344 if (asprintf(&file_path, "%s/%s", qs->folder ? qs->folder : "",
346 return got_error_from_errno("asprintf");
348 if (asprintf(&repo_path, "%s/%s", srv->repos_path,
349 repo_dir->name) == -1) {
350 error = got_error_from_errno("asprintf");
355 error = got_repo_match_object_id_prefix(&id, qs->commit,
356 GOT_OBJ_TYPE_COMMIT, repo);
360 error = got_ref_open(&ref, repo, qs->headref, 0);
364 error = got_ref_resolve(&id, repo, ref);
369 error = got_repo_map_path(&in_repo_path, repo, repo_path);
373 error = got_ref_list(&refs, repo, NULL, got_ref_cmp_by_name, NULL);
377 if (qs->file != NULL && *qs->file != '\0') {
378 error = got_commit_graph_open(&graph, file_path, 0);
382 error = got_commit_graph_open(&graph, in_repo_path, 0);
387 error = got_commit_graph_bfsort(graph, id, repo, NULL, NULL);
392 struct got_object_id next_id;
394 error = got_commit_graph_iter_next(&next_id, graph, repo, NULL,
397 if (error->code == GOT_ERR_ITER_COMPLETED)
402 error = got_object_open_as_commit(&commit, repo, &next_id);
406 error = got_init_repo_commit(&repo_commit);
410 error = got_get_repo_commit(c, repo_commit, commit,
413 gotweb_free_repo_commit(repo_commit);
417 if (--limit == 0 && chk_next) {
418 t->more_id = strdup(repo_commit->commit_id);
419 if (t->more_id == NULL)
420 error = got_error_from_errno("strdup");
424 TAILQ_INSERT_TAIL(&t->repo_commits, repo_commit, entry);
430 got_object_commit_close(commit);
438 got_object_commit_close(commit);
440 got_commit_graph_close(graph);
441 got_ref_list_free(&refs);
449 const struct got_error *
450 got_get_repo_tags(struct request *c, size_t limit)
452 const struct got_error *error = NULL;
453 struct got_object_id *id = NULL;
454 struct got_commit_object *commit = NULL;
455 struct got_reflist_head refs;
456 struct got_reference *ref;
457 struct got_reflist_entry *re;
458 struct server *srv = c->srv;
459 struct transport *t = c->t;
460 struct got_repository *repo = t->repo;
461 struct querystring *qs = t->qs;
462 struct repo_dir *repo_dir = t->repo_dir;
463 struct got_tag_object *tag = 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;
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->tags_more_id = strdup(new_repo_tag->commit_id);
604 if (t->tags_more_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 got_object_commit_close(commit);
666 got_object_tag_close(tag);
667 got_ref_list_free(&refs);
677 got_output_repo_tree(struct request *c, char **readme,
678 int (*cb)(struct template *, struct got_tree_entry *))
680 const struct got_error *error = NULL;
681 struct transport *t = c->t;
682 struct got_commit_object *commit = NULL;
683 struct got_repository *repo = t->repo;
684 struct querystring *qs = t->qs;
685 struct repo_commit *rc = NULL;
686 struct got_object_id *tree_id = NULL, *commit_id = NULL;
687 struct got_reflist_head refs;
688 struct got_tree_object *tree = NULL;
689 struct got_tree_entry *te;
690 struct repo_dir *repo_dir = t->repo_dir;
693 char *escaped_name = NULL, *path = NULL;
699 rc = TAILQ_FIRST(&t->repo_commits);
701 if (qs->folder != NULL) {
702 path = strdup(qs->folder);
704 error = got_error_from_errno("strdup");
708 error = got_repo_map_path(&path, repo, repo_dir->path);
713 error = got_repo_match_object_id(&commit_id, NULL, rc->commit_id,
714 GOT_OBJ_TYPE_COMMIT, &refs, repo);
718 error = got_object_open_as_commit(&commit, repo, commit_id);
722 error = got_object_id_by_path(&tree_id, repo, commit, path);
726 error = got_object_open_as_tree(&tree, repo, tree_id);
730 nentries = got_object_tree_get_nentries(tree);
732 for (i = 0; i < nentries; i++) {
733 te = got_object_tree_get_entry(tree, i);
735 name = got_tree_entry_get_name(te);
736 mode = got_tree_entry_get_mode(te);
737 if (!S_ISDIR(mode) && (!strcasecmp(name, "README") ||
738 !strcasecmp(name, "README.md") ||
739 !strcasecmp(name, "README.txt"))) {
741 *readme = strdup(name);
744 if (cb(c->tp, te) == -1) {
745 error = got_error(GOT_ERR_CANCELLED);
752 got_ref_list_free(&refs);
754 got_object_commit_close(commit);
756 got_object_tree_close(tree);
762 if (error->code != GOT_ERR_CANCELLED)
763 log_warnx("%s: %s", __func__, error->msg);
769 const struct got_error *
770 got_open_blob_for_output(struct got_blob_object **blob, int *fd,
771 int *binary, struct request *c, const char *directory, const char *file,
772 const char *commitstr)
774 const struct got_error *error = NULL;
775 struct got_repository *repo = c->t->repo;
776 struct got_commit_object *commit = NULL;
777 struct got_object_id *commit_id = NULL;
778 struct got_reflist_head refs;
779 char *path = NULL, *in_repo_path = NULL;
788 error = got_ref_list(&refs, repo, "refs/heads",
789 got_ref_cmp_by_name, NULL);
793 if (asprintf(&path, "%s%s%s", directory ? directory : "",
794 directory ? "/" : "", file) == -1) {
795 error = got_error_from_errno("asprintf");
799 error = got_repo_map_path(&in_repo_path, repo, path);
803 if (commitstr == NULL)
804 commitstr = GOT_REF_HEAD;
806 error = got_repo_match_object_id(&commit_id, NULL, commitstr,
807 GOT_OBJ_TYPE_COMMIT, &refs, repo);
811 error = got_object_open_as_commit(&commit, repo, commit_id);
815 error = got_object_id_by_path(&commit_id, repo, commit, in_repo_path);
819 if (commit_id == NULL) {
820 error = got_error(GOT_ERR_NO_OBJ);
824 error = got_object_get_type(&obj_type, repo, commit_id);
828 if (obj_type != GOT_OBJ_TYPE_BLOB) {
829 error = got_error(GOT_ERR_OBJ_TYPE);
833 error = got_gotweb_dupfd(&c->priv_fd[BLOB_FD_1], fd);
837 error = got_object_open_as_blob(blob, repo, commit_id, BUF, *fd);
841 error = got_object_blob_is_binary(binary, *blob);
847 got_object_commit_close(commit);
853 got_object_blob_close(*blob);
858 got_ref_list_free(&refs);
866 got_output_blob_by_lines(struct template *tp, struct got_blob_object *blob,
867 int (*cb)(struct template *, const char *, size_t))
869 const struct got_error *err;
876 err = got_object_blob_getline(&line, &linelen, &linesize,
878 if (err || linelen == -1)
881 if (cb(tp, line, lineno) == -1) {
882 err = got_error(GOT_ERR_CANCELLED);
890 if (err->code != GOT_ERR_CANCELLED)
891 log_warnx("%s: got_object_blob_getline failed: %s",
898 struct blame_cb_args {
899 struct blame_line *lines;
905 struct got_repository *repo;
907 got_render_blame_line_cb cb;
910 static const struct got_error *
911 got_gotweb_blame_cb(void *arg, int nlines, int lineno,
912 struct got_commit_object *commit, struct got_object_id *id)
914 const struct got_error *err = NULL;
915 struct blame_cb_args *a = arg;
916 struct blame_line *bline;
917 struct request *c = a->c;
922 time_t committer_time;
924 if (nlines != a->nlines ||
925 (lineno != -1 && lineno < 1) || lineno > a->nlines)
926 return got_error(GOT_ERR_RANGE);
929 return NULL; /* no change in this commit */
931 /* Annotate this line. */
932 bline = &a->lines[lineno - 1];
933 if (bline->annotated)
935 err = got_object_id_str(&bline->id_str, id);
939 bline->committer = strdup(got_object_commit_get_committer(commit));
940 if (bline->committer == NULL) {
941 err = got_error_from_errno("strdup");
945 committer_time = got_object_commit_get_committer_time(commit);
946 if (gmtime_r(&committer_time, &tm) == NULL)
947 return got_error_from_errno("gmtime_r");
948 if (strftime(bline->datebuf, sizeof(bline->datebuf), "%F", &tm) == 0) {
949 err = got_error(GOT_ERR_NO_SPACE);
952 bline->annotated = 1;
954 /* Print lines annotated so far. */
955 bline = &a->lines[a->lineno_cur - 1];
956 if (!bline->annotated)
959 offset = a->line_offsets[a->lineno_cur - 1];
960 if (fseeko(a->f, offset, SEEK_SET) == -1) {
961 err = got_error_from_errno("fseeko");
965 while (a->lineno_cur <= a->nlines && bline->annotated) {
966 if (getline(&line, &linesize, a->f) == -1) {
968 err = got_error_from_errno("getline");
972 if (a->cb(c->tp, line, bline, a->nlines_prec,
973 a->lineno_cur) == -1) {
974 err = got_error(GOT_ERR_CANCELLED);
979 bline = &a->lines[a->lineno_cur - 1];
986 const struct got_error *
987 got_output_file_blame(struct request *c, got_render_blame_line_cb cb)
989 const struct got_error *error = NULL;
990 struct transport *t = c->t;
991 struct got_repository *repo = t->repo;
992 struct querystring *qs = c->t->qs;
993 struct got_object_id *obj_id = NULL, *commit_id = NULL;
994 struct got_commit_object *commit = NULL;
995 struct got_reflist_head refs;
996 struct got_blob_object *blob = NULL;
997 char *path = NULL, *in_repo_path = NULL;
998 struct blame_cb_args bca;
999 int i, obj_type, blobfd = -1, fd1 = -1, fd2 = -1;
1001 FILE *f1 = NULL, *f2 = NULL;
1008 if (asprintf(&path, "%s/%s", qs->folder, qs->file) == -1) {
1009 error = got_error_from_errno("asprintf");
1013 error = got_repo_map_path(&in_repo_path, repo, path);
1017 error = got_repo_match_object_id(&commit_id, NULL, qs->commit,
1018 GOT_OBJ_TYPE_COMMIT, &refs, repo);
1022 error = got_object_open_as_commit(&commit, repo, commit_id);
1026 error = got_object_id_by_path(&obj_id, repo, commit, in_repo_path);
1030 error = got_object_get_type(&obj_type, repo, obj_id);
1034 if (obj_type != GOT_OBJ_TYPE_BLOB) {
1035 error = got_error(GOT_ERR_OBJ_TYPE);
1039 error = got_gotweb_openfile(&bca.f, &c->priv_fd[BLAME_FD_1]);
1043 error = got_gotweb_dupfd(&c->priv_fd[BLAME_FD_2], &blobfd);
1047 error = got_object_open_as_blob(&blob, repo, obj_id, BUF, blobfd);
1051 error = got_object_blob_dump_to_file(&filesize, &bca.nlines,
1052 &bca.line_offsets, bca.f, blob);
1053 if (error || bca.nlines == 0)
1056 /* Don't include \n at EOF in the blame line count. */
1057 if (bca.line_offsets[bca.nlines - 1] == filesize)
1060 bca.lines = calloc(bca.nlines, sizeof(*bca.lines));
1061 if (bca.lines == NULL) {
1062 error = got_error_from_errno("calloc");
1066 bca.nlines_prec = 0;
1075 error = got_gotweb_dupfd(&c->priv_fd[BLAME_FD_3], &fd1);
1079 error = got_gotweb_dupfd(&c->priv_fd[BLAME_FD_4], &fd2);
1083 error = got_gotweb_openfile(&f1, &c->priv_fd[BLAME_FD_5]);
1087 error = got_gotweb_openfile(&f2, &c->priv_fd[BLAME_FD_6]);
1091 error = got_blame(in_repo_path, commit_id, repo,
1092 GOT_DIFF_ALGORITHM_MYERS, got_gotweb_blame_cb, &bca, NULL, NULL,
1097 free(bca.line_offsets);
1098 for (i = 0; i < bca.nlines; i++) {
1099 struct blame_line *bline = &bca.lines[i];
1100 free(bline->id_str);
1101 free(bline->committer);
1105 if (blobfd != -1 && close(blobfd) == -1 && error == NULL)
1106 error = got_error_from_errno("close");
1107 if (fd1 != -1 && close(fd1) == -1 && error == NULL)
1108 error = got_error_from_errno("close");
1109 if (fd2 != -1 && close(fd2) == -1 && error == NULL)
1110 error = got_error_from_errno("close");
1112 const struct got_error *bca_err = got_gotweb_closefile(bca.f);
1117 const struct got_error *f1_err = got_gotweb_closefile(f1);
1122 const struct got_error *f2_err = got_gotweb_closefile(f2);
1127 got_object_commit_close(commit);
1129 got_object_blob_close(blob);
1134 got_ref_list_free(&refs);
1138 const struct got_error *
1139 got_open_diff_for_output(FILE **fp, struct request *c)
1141 const struct got_error *error = NULL;
1142 struct transport *t = c->t;
1143 struct got_repository *repo = t->repo;
1144 struct repo_commit *rc = NULL;
1145 struct got_object_id *id1 = NULL, *id2 = NULL;
1146 struct got_reflist_head refs;
1147 FILE *f1 = NULL, *f2 = NULL, *f3 = NULL;
1148 int obj_type, fd1 = -1, fd2 = -1;
1154 error = got_gotweb_openfile(&f1, &c->priv_fd[DIFF_FD_1]);
1158 error = got_gotweb_openfile(&f2, &c->priv_fd[DIFF_FD_2]);
1162 error = got_gotweb_openfile(&f3, &c->priv_fd[DIFF_FD_3]);
1166 rc = TAILQ_FIRST(&t->repo_commits);
1168 if (rc->parent_id != NULL &&
1169 strncmp(rc->parent_id, "/dev/null", 9) != 0) {
1170 error = got_repo_match_object_id(&id1, NULL,
1171 rc->parent_id, GOT_OBJ_TYPE_ANY,
1177 error = got_repo_match_object_id(&id2, NULL, rc->commit_id,
1178 GOT_OBJ_TYPE_ANY, &refs, repo);
1182 error = got_object_get_type(&obj_type, repo, id2);
1186 error = got_gotweb_dupfd(&c->priv_fd[DIFF_FD_4], &fd1);
1190 error = got_gotweb_dupfd(&c->priv_fd[DIFF_FD_5], &fd2);
1195 case GOT_OBJ_TYPE_BLOB:
1196 error = got_diff_objects_as_blobs(NULL, NULL, f1, f2, fd1, fd2,
1197 id1, id2, NULL, NULL, GOT_DIFF_ALGORITHM_MYERS, 3, 0, 0,
1200 case GOT_OBJ_TYPE_TREE:
1201 error = got_diff_objects_as_trees(NULL, NULL, f1, f2, fd1, fd2,
1202 id1, id2, NULL, "", "", GOT_DIFF_ALGORITHM_MYERS, 3, 0, 0,
1205 case GOT_OBJ_TYPE_COMMIT:
1206 error = got_diff_objects_as_commits(NULL, NULL, f1, f2, fd1,
1207 fd2, id1, id2, NULL, GOT_DIFF_ALGORITHM_MYERS, 3, 0, 0,
1211 error = got_error(GOT_ERR_OBJ_TYPE);
1216 if (fseek(f3, 0, SEEK_SET) == -1) {
1217 error = got_ferror(f3, GOT_ERR_IO);
1224 if (fd1 != -1 && close(fd1) == -1 && error == NULL)
1225 error = got_error_from_errno("close");
1226 if (fd2 != -1 && close(fd2) == -1 && error == NULL)
1227 error = got_error_from_errno("close");
1229 const struct got_error *f1_err = got_gotweb_closefile(f1);
1234 const struct got_error *f2_err = got_gotweb_closefile(f2);
1239 got_gotweb_closefile(f3);
1242 got_ref_list_free(&refs);
1248 static const struct got_error *
1249 got_init_repo_commit(struct repo_commit **rc)
1251 *rc = calloc(1, sizeof(**rc));
1253 return got_error_from_errno2(__func__, "calloc");
1256 (*rc)->refs_str = NULL;
1257 (*rc)->commit_id = NULL;
1258 (*rc)->committer = NULL;
1259 (*rc)->author = NULL;
1260 (*rc)->parent_id = NULL;
1261 (*rc)->tree_id = NULL;
1262 (*rc)->commit_msg = NULL;
1267 static const struct got_error *
1268 got_init_repo_tag(struct repo_tag **rt)
1270 *rt = calloc(1, sizeof(**rt));
1272 return got_error_from_errno2(__func__, "calloc");
1274 (*rt)->commit_id = NULL;
1275 (*rt)->tag_name = NULL;
1276 (*rt)->tag_commit = NULL;
1277 (*rt)->commit_msg = NULL;
1278 (*rt)->tagger = NULL;