1 a596b957 2022-07-14 tracey /*
   2 a596b957 2022-07-14 tracey  * Copyright (c) 2020-2022 Tracey Emery <tracey@traceyemery.net>
   3 a596b957 2022-07-14 tracey  * Copyright (c) 2018, 2019 Stefan Sperling <stsp@openbsd.org>
   4 a596b957 2022-07-14 tracey  *
   5 a596b957 2022-07-14 tracey  * Permission to use, copy, modify, and distribute this software for any
   6 a596b957 2022-07-14 tracey  * purpose with or without fee is hereby granted, provided that the above
   7 a596b957 2022-07-14 tracey  * copyright notice and this permission notice appear in all copies.
   8 a596b957 2022-07-14 tracey  *
   9 a596b957 2022-07-14 tracey  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10 a596b957 2022-07-14 tracey  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11 a596b957 2022-07-14 tracey  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12 a596b957 2022-07-14 tracey  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13 a596b957 2022-07-14 tracey  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14 a596b957 2022-07-14 tracey  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15 a596b957 2022-07-14 tracey  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16 a596b957 2022-07-14 tracey  */
  17 a596b957 2022-07-14 tracey 
  18 b4c20a19 2022-07-15 naddy #include <sys/queue.h>
  19 a596b957 2022-07-14 tracey #include <sys/socket.h>
  20 a596b957 2022-07-14 tracey #include <sys/stat.h>
  21 a596b957 2022-07-14 tracey 
  22 a596b957 2022-07-14 tracey #include <event.h>
  23 a596b957 2022-07-14 tracey #include <imsg.h>
  24 a596b957 2022-07-14 tracey #include <sha1.h>
  25 5822e79e 2023-02-23 op #include <sha2.h>
  26 a596b957 2022-07-14 tracey #include <stdlib.h>
  27 a596b957 2022-07-14 tracey #include <stdio.h>
  28 a596b957 2022-07-14 tracey #include <string.h>
  29 a596b957 2022-07-14 tracey #include <unistd.h>
  30 a596b957 2022-07-14 tracey 
  31 a596b957 2022-07-14 tracey #include "got_error.h"
  32 a596b957 2022-07-14 tracey #include "got_object.h"
  33 a596b957 2022-07-14 tracey #include "got_reference.h"
  34 a596b957 2022-07-14 tracey #include "got_repository.h"
  35 a596b957 2022-07-14 tracey #include "got_path.h"
  36 a596b957 2022-07-14 tracey #include "got_cancel.h"
  37 a596b957 2022-07-14 tracey #include "got_diff.h"
  38 a596b957 2022-07-14 tracey #include "got_commit_graph.h"
  39 a596b957 2022-07-14 tracey #include "got_blame.h"
  40 a596b957 2022-07-14 tracey #include "got_privsep.h"
  41 a596b957 2022-07-14 tracey 
  42 a596b957 2022-07-14 tracey #include "gotwebd.h"
  43 1220d7ea 2024-05-21 op #include "log.h"
  44 a596b957 2022-07-14 tracey 
  45 a596b957 2022-07-14 tracey static const struct got_error *got_init_repo_commit(struct repo_commit **);
  46 a596b957 2022-07-14 tracey static const struct got_error *got_init_repo_tag(struct repo_tag **);
  47 a596b957 2022-07-14 tracey static const struct got_error *got_get_repo_commit(struct request *,
  48 a596b957 2022-07-14 tracey     struct repo_commit *, struct got_commit_object *, struct got_reflist_head *,
  49 a596b957 2022-07-14 tracey     struct got_object_id *);
  50 a596b957 2022-07-14 tracey static const struct got_error *got_gotweb_dupfd(int *, int *);
  51 18069c98 2023-05-16 op static const struct got_error *got_gotweb_openfile(FILE **, int *);
  52 a596b957 2022-07-14 tracey static const struct got_error *got_gotweb_blame_cb(void *, int, int,
  53 a596b957 2022-07-14 tracey     struct got_commit_object *,struct got_object_id *);
  54 a596b957 2022-07-14 tracey 
  55 587550a5 2023-01-10 op const struct got_error *
  56 24a4d801 2023-05-16 op got_gotweb_closefile(FILE *f)
  57 a596b957 2022-07-14 tracey {
  58 08ea2d1b 2023-05-16 op 	const struct got_error *err = NULL;
  59 08ea2d1b 2023-05-16 op 
  60 a596b957 2022-07-14 tracey 	if (fseek(f, 0, SEEK_SET) == -1)
  61 08ea2d1b 2023-05-16 op 		err = got_error_from_errno("fseek");
  62 a596b957 2022-07-14 tracey 
  63 08ea2d1b 2023-05-16 op 	if (err == NULL && ftruncate(fileno(f), 0) == -1)
  64 08ea2d1b 2023-05-16 op 		err = got_error_from_errno("ftruncate");
  65 a596b957 2022-07-14 tracey 
  66 08ea2d1b 2023-05-16 op 	if (fclose(f) == EOF && err == NULL)
  67 08ea2d1b 2023-05-16 op 		err = got_error_from_errno("fclose");
  68 a596b957 2022-07-14 tracey 
  69 08ea2d1b 2023-05-16 op 	return err;
  70 a596b957 2022-07-14 tracey }
  71 a596b957 2022-07-14 tracey 
  72 a596b957 2022-07-14 tracey static const struct got_error *
  73 18069c98 2023-05-16 op got_gotweb_openfile(FILE **f, int *priv_fd)
  74 a596b957 2022-07-14 tracey {
  75 18069c98 2023-05-16 op 	int fd;
  76 18069c98 2023-05-16 op 
  77 18069c98 2023-05-16 op 	fd = dup(*priv_fd);
  78 18069c98 2023-05-16 op 	if (fd == -1)
  79 e9d3ad59 2022-08-31 stsp 		return got_error_from_errno("dup");
  80 a596b957 2022-07-14 tracey 
  81 18069c98 2023-05-16 op 	*f = fdopen(fd, "w+");
  82 a596b957 2022-07-14 tracey 	if (*f == NULL) {
  83 18069c98 2023-05-16 op 		close(fd);
  84 dd84f505 2022-08-31 stsp 		return got_error(GOT_ERR_PRIVSEP_NO_FD);
  85 a596b957 2022-07-14 tracey 	}
  86 a596b957 2022-07-14 tracey 
  87 dd84f505 2022-08-31 stsp 	return NULL;
  88 a596b957 2022-07-14 tracey }
  89 a596b957 2022-07-14 tracey 
  90 a596b957 2022-07-14 tracey static const struct got_error *
  91 a596b957 2022-07-14 tracey got_gotweb_dupfd(int *priv_fd, int *fd)
  92 a596b957 2022-07-14 tracey {
  93 a596b957 2022-07-14 tracey 	*fd = dup(*priv_fd);
  94 a596b957 2022-07-14 tracey 
  95 c33c3763 2023-02-03 mark 	if (*fd == -1)
  96 c33c3763 2023-02-03 mark 		return got_error_from_errno("dup");
  97 a596b957 2022-07-14 tracey 
  98 dd84f505 2022-08-31 stsp 	return NULL;
  99 a596b957 2022-07-14 tracey }
 100 a596b957 2022-07-14 tracey 
 101 a596b957 2022-07-14 tracey const struct got_error *
 102 c127fc49 2022-11-22 op got_get_repo_owner(char **owner, struct request *c)
 103 a596b957 2022-07-14 tracey {
 104 a596b957 2022-07-14 tracey 	struct server *srv = c->srv;
 105 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 106 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
 107 a596b957 2022-07-14 tracey 	const char *gitconfig_owner;
 108 a596b957 2022-07-14 tracey 
 109 a596b957 2022-07-14 tracey 	*owner = NULL;
 110 a596b957 2022-07-14 tracey 
 111 a596b957 2022-07-14 tracey 	if (srv->show_repo_owner == 0)
 112 a596b957 2022-07-14 tracey 		return NULL;
 113 a596b957 2022-07-14 tracey 
 114 a596b957 2022-07-14 tracey 	gitconfig_owner = got_repo_get_gitconfig_owner(repo);
 115 a596b957 2022-07-14 tracey 	if (gitconfig_owner) {
 116 a596b957 2022-07-14 tracey 		*owner = strdup(gitconfig_owner);
 117 1999985f 2022-08-30 tracey 		if (*owner == NULL)
 118 1999985f 2022-08-30 tracey 			return got_error_from_errno("strdup");
 119 1999985f 2022-08-30 tracey 	} else {
 120 1999985f 2022-08-30 tracey 		*owner = strdup("");
 121 a596b957 2022-07-14 tracey 		if (*owner == NULL)
 122 a596b957 2022-07-14 tracey 			return got_error_from_errno("strdup");
 123 a596b957 2022-07-14 tracey 	}
 124 dd84f505 2022-08-31 stsp 	return NULL;
 125 a596b957 2022-07-14 tracey }
 126 a596b957 2022-07-14 tracey 
 127 a596b957 2022-07-14 tracey const struct got_error *
 128 cb93ab40 2023-01-22 op got_get_repo_age(time_t *repo_age, struct request *c, const char *refname)
 129 a596b957 2022-07-14 tracey {
 130 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 131 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 132 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
 133 a596b957 2022-07-14 tracey 	struct got_commit_object *commit = NULL;
 134 a596b957 2022-07-14 tracey 	struct got_reflist_head refs;
 135 a596b957 2022-07-14 tracey 	struct got_reflist_entry *re;
 136 a596b957 2022-07-14 tracey 	time_t committer_time = 0, cmp_time = 0;
 137 a596b957 2022-07-14 tracey 
 138 a596b957 2022-07-14 tracey 	TAILQ_INIT(&refs);
 139 a596b957 2022-07-14 tracey 
 140 417c8923 2023-08-11 op 	*repo_age = 0;
 141 a596b957 2022-07-14 tracey 
 142 a596b957 2022-07-14 tracey 	error = got_ref_list(&refs, repo, "refs/heads",
 143 a596b957 2022-07-14 tracey 	    got_ref_cmp_by_name, NULL);
 144 a596b957 2022-07-14 tracey 	if (error)
 145 a596b957 2022-07-14 tracey 		goto done;
 146 a596b957 2022-07-14 tracey 
 147 a596b957 2022-07-14 tracey 	/*
 148 a596b957 2022-07-14 tracey 	 * Find the youngest branch tip in the repository, or the age of
 149 a596b957 2022-07-14 tracey 	 * the a specific branch tip if a name was provided by the caller.
 150 a596b957 2022-07-14 tracey 	 */
 151 a596b957 2022-07-14 tracey 	TAILQ_FOREACH(re, &refs, entry) {
 152 a596b957 2022-07-14 tracey 		struct got_object_id *id = NULL;
 153 a596b957 2022-07-14 tracey 
 154 a596b957 2022-07-14 tracey 		if (refname && strcmp(got_ref_get_name(re->ref), refname) != 0)
 155 a596b957 2022-07-14 tracey 			continue;
 156 a596b957 2022-07-14 tracey 
 157 a596b957 2022-07-14 tracey 		error = got_ref_resolve(&id, repo, re->ref);
 158 a596b957 2022-07-14 tracey 		if (error)
 159 a596b957 2022-07-14 tracey 			goto done;
 160 a596b957 2022-07-14 tracey 
 161 a596b957 2022-07-14 tracey 		error = got_object_open_as_commit(&commit, repo, id);
 162 a596b957 2022-07-14 tracey 		free(id);
 163 a596b957 2022-07-14 tracey 		if (error)
 164 a596b957 2022-07-14 tracey 			goto done;
 165 a596b957 2022-07-14 tracey 
 166 a596b957 2022-07-14 tracey 		committer_time =
 167 a596b957 2022-07-14 tracey 		    got_object_commit_get_committer_time(commit);
 168 a596b957 2022-07-14 tracey 		got_object_commit_close(commit);
 169 a596b957 2022-07-14 tracey 		if (cmp_time < committer_time)
 170 a596b957 2022-07-14 tracey 			cmp_time = committer_time;
 171 a596b957 2022-07-14 tracey 
 172 a596b957 2022-07-14 tracey 		if (refname)
 173 a596b957 2022-07-14 tracey 			break;
 174 a596b957 2022-07-14 tracey 	}
 175 a596b957 2022-07-14 tracey 
 176 cb93ab40 2023-01-22 op 	if (cmp_time != 0)
 177 cb93ab40 2023-01-22 op 		*repo_age = cmp_time;
 178 4e3e8516 2023-05-17 op  done:
 179 a596b957 2022-07-14 tracey 	got_ref_list_free(&refs);
 180 a596b957 2022-07-14 tracey 	return error;
 181 a596b957 2022-07-14 tracey }
 182 a596b957 2022-07-14 tracey 
 183 a596b957 2022-07-14 tracey static const struct got_error *
 184 a596b957 2022-07-14 tracey got_get_repo_commit(struct request *c, struct repo_commit *repo_commit,
 185 a596b957 2022-07-14 tracey     struct got_commit_object *commit, struct got_reflist_head *refs,
 186 a596b957 2022-07-14 tracey     struct got_object_id *id)
 187 a596b957 2022-07-14 tracey {
 188 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 189 a596b957 2022-07-14 tracey 	struct got_reflist_entry *re;
 190 a596b957 2022-07-14 tracey 	struct got_object_id *id2 = NULL;
 191 a596b957 2022-07-14 tracey 	struct got_object_qid *parent_id;
 192 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 193 a596b957 2022-07-14 tracey 	struct querystring *qs = c->t->qs;
 194 a596b957 2022-07-14 tracey 	char *commit_msg = NULL, *commit_msg0;
 195 a596b957 2022-07-14 tracey 
 196 a596b957 2022-07-14 tracey 	TAILQ_FOREACH(re, refs, entry) {
 197 a596b957 2022-07-14 tracey 		char *s;
 198 a596b957 2022-07-14 tracey 		const char *name;
 199 a596b957 2022-07-14 tracey 		struct got_tag_object *tag = NULL;
 200 a596b957 2022-07-14 tracey 		struct got_object_id *ref_id;
 201 a596b957 2022-07-14 tracey 		int cmp;
 202 a596b957 2022-07-14 tracey 
 203 a596b957 2022-07-14 tracey 		if (got_ref_is_symbolic(re->ref))
 204 a596b957 2022-07-14 tracey 			continue;
 205 a596b957 2022-07-14 tracey 
 206 a596b957 2022-07-14 tracey 		name = got_ref_get_name(re->ref);
 207 a596b957 2022-07-14 tracey 		if (strncmp(name, "refs/", 5) == 0)
 208 a596b957 2022-07-14 tracey 			name += 5;
 209 a596b957 2022-07-14 tracey 		if (strncmp(name, "got/", 4) == 0)
 210 a596b957 2022-07-14 tracey 			continue;
 211 a596b957 2022-07-14 tracey 		if (strncmp(name, "heads/", 6) == 0)
 212 a596b957 2022-07-14 tracey 			name += 6;
 213 a596b957 2022-07-14 tracey 		if (strncmp(name, "remotes/", 8) == 0) {
 214 a596b957 2022-07-14 tracey 			name += 8;
 215 341fa7ca 2022-09-01 op 			if (strstr(name, "/" GOT_REF_HEAD) != NULL)
 216 a596b957 2022-07-14 tracey 				continue;
 217 a596b957 2022-07-14 tracey 		}
 218 a596b957 2022-07-14 tracey 		error = got_ref_resolve(&ref_id, t->repo, re->ref);
 219 a596b957 2022-07-14 tracey 		if (error)
 220 a596b957 2022-07-14 tracey 			return error;
 221 a596b957 2022-07-14 tracey 		if (strncmp(name, "tags/", 5) == 0) {
 222 a596b957 2022-07-14 tracey 			error = got_object_open_as_tag(&tag, t->repo, ref_id);
 223 a596b957 2022-07-14 tracey 			if (error) {
 224 a596b957 2022-07-14 tracey 				if (error->code != GOT_ERR_OBJ_TYPE) {
 225 a596b957 2022-07-14 tracey 					free(ref_id);
 226 a596b957 2022-07-14 tracey 					continue;
 227 a596b957 2022-07-14 tracey 				}
 228 a596b957 2022-07-14 tracey 				/*
 229 a596b957 2022-07-14 tracey 				 * Ref points at something other
 230 a596b957 2022-07-14 tracey 				 * than a tag.
 231 a596b957 2022-07-14 tracey 				 */
 232 a596b957 2022-07-14 tracey 				error = NULL;
 233 a596b957 2022-07-14 tracey 				tag = NULL;
 234 a596b957 2022-07-14 tracey 			}
 235 a596b957 2022-07-14 tracey 		}
 236 a596b957 2022-07-14 tracey 		cmp = got_object_id_cmp(tag ?
 237 a596b957 2022-07-14 tracey 		    got_object_tag_get_object_id(tag) : ref_id, id);
 238 a596b957 2022-07-14 tracey 		free(ref_id);
 239 a596b957 2022-07-14 tracey 		if (tag)
 240 a596b957 2022-07-14 tracey 			got_object_tag_close(tag);
 241 a596b957 2022-07-14 tracey 		if (cmp != 0)
 242 a596b957 2022-07-14 tracey 			continue;
 243 a596b957 2022-07-14 tracey 		s = repo_commit->refs_str;
 244 a596b957 2022-07-14 tracey 		if (asprintf(&repo_commit->refs_str, "%s%s%s", s ? s : "",
 245 a596b957 2022-07-14 tracey 		    s ? ", " : "", name) == -1) {
 246 a596b957 2022-07-14 tracey 			error = got_error_from_errno("asprintf");
 247 a596b957 2022-07-14 tracey 			free(s);
 248 a596b957 2022-07-14 tracey 			repo_commit->refs_str = NULL;
 249 a596b957 2022-07-14 tracey 			return error;
 250 a596b957 2022-07-14 tracey 		}
 251 a596b957 2022-07-14 tracey 		free(s);
 252 a596b957 2022-07-14 tracey 	}
 253 a596b957 2022-07-14 tracey 
 254 a596b957 2022-07-14 tracey 	error = got_object_id_str(&repo_commit->commit_id, id);
 255 a596b957 2022-07-14 tracey 	if (error)
 256 a596b957 2022-07-14 tracey 		return error;
 257 a596b957 2022-07-14 tracey 
 258 a596b957 2022-07-14 tracey 	error = got_object_id_str(&repo_commit->tree_id,
 259 a596b957 2022-07-14 tracey 	    got_object_commit_get_tree_id(commit));
 260 a596b957 2022-07-14 tracey 	if (error)
 261 a596b957 2022-07-14 tracey 		return error;
 262 a596b957 2022-07-14 tracey 
 263 7f65bb55 2023-12-01 op 	if (qs->action == DIFF || qs->action == PATCH) {
 264 a596b957 2022-07-14 tracey 		parent_id = STAILQ_FIRST(
 265 a596b957 2022-07-14 tracey 		    got_object_commit_get_parent_ids(commit));
 266 a596b957 2022-07-14 tracey 		if (parent_id != NULL) {
 267 a596b957 2022-07-14 tracey 			id2 = got_object_id_dup(&parent_id->id);
 268 a596b957 2022-07-14 tracey 			error = got_object_id_str(&repo_commit->parent_id, id2);
 269 a596b957 2022-07-14 tracey 			if (error)
 270 a596b957 2022-07-14 tracey 				return error;
 271 a596b957 2022-07-14 tracey 			free(id2);
 272 a596b957 2022-07-14 tracey 		} else {
 273 a596b957 2022-07-14 tracey 			repo_commit->parent_id = strdup("/dev/null");
 274 a596b957 2022-07-14 tracey 			if (repo_commit->parent_id == NULL) {
 275 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
 276 a596b957 2022-07-14 tracey 				return error;
 277 a596b957 2022-07-14 tracey 			}
 278 a596b957 2022-07-14 tracey 		}
 279 a596b957 2022-07-14 tracey 	}
 280 a596b957 2022-07-14 tracey 
 281 a596b957 2022-07-14 tracey 	repo_commit->committer_time =
 282 a596b957 2022-07-14 tracey 	    got_object_commit_get_committer_time(commit);
 283 a596b957 2022-07-14 tracey 
 284 a596b957 2022-07-14 tracey 	repo_commit->author =
 285 a596b957 2022-07-14 tracey 	    strdup(got_object_commit_get_author(commit));
 286 a596b957 2022-07-14 tracey 	if (repo_commit->author == NULL) {
 287 a596b957 2022-07-14 tracey 		error = got_error_from_errno("strdup");
 288 a596b957 2022-07-14 tracey 		return error;
 289 a596b957 2022-07-14 tracey 	}
 290 a596b957 2022-07-14 tracey 	repo_commit->committer =
 291 a596b957 2022-07-14 tracey 	    strdup(got_object_commit_get_committer(commit));
 292 a596b957 2022-07-14 tracey 	if (repo_commit->committer == NULL) {
 293 a596b957 2022-07-14 tracey 		error = got_error_from_errno("strdup");
 294 a596b957 2022-07-14 tracey 		return error;
 295 a596b957 2022-07-14 tracey 	}
 296 a596b957 2022-07-14 tracey 	error = got_object_commit_get_logmsg(&commit_msg0, commit);
 297 a596b957 2022-07-14 tracey 	if (error)
 298 a596b957 2022-07-14 tracey 		return error;
 299 a596b957 2022-07-14 tracey 
 300 a596b957 2022-07-14 tracey 	commit_msg = commit_msg0;
 301 a596b957 2022-07-14 tracey 	while (*commit_msg == '\n')
 302 a596b957 2022-07-14 tracey 		commit_msg++;
 303 a596b957 2022-07-14 tracey 
 304 a596b957 2022-07-14 tracey 	repo_commit->commit_msg = strdup(commit_msg);
 305 a596b957 2022-07-14 tracey 	if (repo_commit->commit_msg == NULL)
 306 a596b957 2022-07-14 tracey 		error = got_error_from_errno("strdup");
 307 a596b957 2022-07-14 tracey 	free(commit_msg0);
 308 a596b957 2022-07-14 tracey 	return error;
 309 a596b957 2022-07-14 tracey }
 310 a596b957 2022-07-14 tracey 
 311 a596b957 2022-07-14 tracey const struct got_error *
 312 0a2fc486 2023-06-14 op got_get_repo_commits(struct request *c, size_t limit)
 313 a596b957 2022-07-14 tracey {
 314 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 315 a596b957 2022-07-14 tracey 	struct got_object_id *id = NULL;
 316 a596b957 2022-07-14 tracey 	struct got_commit_graph *graph = NULL;
 317 a596b957 2022-07-14 tracey 	struct got_commit_object *commit = NULL;
 318 a596b957 2022-07-14 tracey 	struct got_reflist_head refs;
 319 bce44e0b 2022-09-02 op 	struct got_reference *ref = NULL;
 320 a596b957 2022-07-14 tracey 	struct repo_commit *repo_commit = NULL;
 321 a596b957 2022-07-14 tracey 	struct server *srv = c->srv;
 322 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 323 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
 324 a596b957 2022-07-14 tracey 	struct querystring *qs = t->qs;
 325 a596b957 2022-07-14 tracey 	struct repo_dir *repo_dir = t->repo_dir;
 326 a596b957 2022-07-14 tracey 	char *in_repo_path = NULL, *repo_path = NULL, *file_path = NULL;
 327 5144d22b 2023-06-14 op 	int chk_next = 0;
 328 5144d22b 2023-06-14 op 
 329 0a2fc486 2023-06-14 op 	if (limit == 0)
 330 0a2fc486 2023-06-14 op 		return got_error(GOT_ERR_RANGE);
 331 0a2fc486 2023-06-14 op 
 332 0a2fc486 2023-06-14 op 	if (limit > 1) {
 333 5144d22b 2023-06-14 op 		/*
 334 5144d22b 2023-06-14 op 		 * Traverse one commit more than requested to provide
 335 5144d22b 2023-06-14 op 		 * the next button.
 336 5144d22b 2023-06-14 op 		 */
 337 5144d22b 2023-06-14 op 		limit++;
 338 5144d22b 2023-06-14 op 		chk_next = 1;
 339 5144d22b 2023-06-14 op 	}
 340 a596b957 2022-07-14 tracey 
 341 a596b957 2022-07-14 tracey 	TAILQ_INIT(&refs);
 342 a596b957 2022-07-14 tracey 
 343 4448825a 2023-06-16 op 	if (qs->file != NULL && *qs->file != '\0')
 344 a596b957 2022-07-14 tracey 		if (asprintf(&file_path, "%s/%s", qs->folder ? qs->folder : "",
 345 a596b957 2022-07-14 tracey 		    qs->file) == -1)
 346 a596b957 2022-07-14 tracey 			return got_error_from_errno("asprintf");
 347 a596b957 2022-07-14 tracey 
 348 a596b957 2022-07-14 tracey 	if (asprintf(&repo_path, "%s/%s", srv->repos_path,
 349 89ae185c 2022-09-01 op 	    repo_dir->name) == -1) {
 350 89ae185c 2022-09-01 op 		error = got_error_from_errno("asprintf");
 351 89ae185c 2022-09-01 op 		goto done;
 352 89ae185c 2022-09-01 op 	}
 353 a596b957 2022-07-14 tracey 
 354 65c2e810 2023-01-22 op 	if (qs->commit) {
 355 65c2e810 2023-01-22 op 		error = got_repo_match_object_id_prefix(&id, qs->commit,
 356 65c2e810 2023-01-22 op 		    GOT_OBJ_TYPE_COMMIT, repo);
 357 65c2e810 2023-01-22 op 		if (error)
 358 65c2e810 2023-01-22 op 			goto done;
 359 65c2e810 2023-01-22 op 	} else {
 360 a596b957 2022-07-14 tracey 		error = got_ref_open(&ref, repo, qs->headref, 0);
 361 a596b957 2022-07-14 tracey 		if (error)
 362 a596b957 2022-07-14 tracey 			goto done;
 363 a596b957 2022-07-14 tracey 
 364 a596b957 2022-07-14 tracey 		error = got_ref_resolve(&id, repo, ref);
 365 a596b957 2022-07-14 tracey 		if (error)
 366 a596b957 2022-07-14 tracey 			goto done;
 367 a596b957 2022-07-14 tracey 	}
 368 a596b957 2022-07-14 tracey 
 369 a596b957 2022-07-14 tracey 	error = got_repo_map_path(&in_repo_path, repo, repo_path);
 370 a596b957 2022-07-14 tracey 	if (error)
 371 a596b957 2022-07-14 tracey 		goto done;
 372 a596b957 2022-07-14 tracey 
 373 a596b957 2022-07-14 tracey 	error = got_ref_list(&refs, repo, NULL, got_ref_cmp_by_name, NULL);
 374 a596b957 2022-07-14 tracey 	if (error)
 375 a596b957 2022-07-14 tracey 		goto done;
 376 a596b957 2022-07-14 tracey 
 377 4448825a 2023-06-16 op 	if (qs->file != NULL && *qs->file != '\0') {
 378 a596b957 2022-07-14 tracey 		error = got_commit_graph_open(&graph, file_path, 0);
 379 a596b957 2022-07-14 tracey 		if (error)
 380 a596b957 2022-07-14 tracey 			goto done;
 381 a596b957 2022-07-14 tracey 	} else {
 382 a596b957 2022-07-14 tracey 		error = got_commit_graph_open(&graph, in_repo_path, 0);
 383 a596b957 2022-07-14 tracey 		if (error)
 384 a596b957 2022-07-14 tracey 			goto done;
 385 a596b957 2022-07-14 tracey 	}
 386 a596b957 2022-07-14 tracey 
 387 98297eed 2024-03-27 stsp 	error = got_commit_graph_bfsort(graph, id, repo, NULL, NULL);
 388 a596b957 2022-07-14 tracey 	if (error)
 389 a596b957 2022-07-14 tracey 		goto done;
 390 a596b957 2022-07-14 tracey 
 391 a596b957 2022-07-14 tracey 	for (;;) {
 392 d9787ed8 2022-09-10 op 		struct got_object_id next_id;
 393 6227cf0e 2022-09-05 op 
 394 6227cf0e 2022-09-05 op 		error = got_commit_graph_iter_next(&next_id, graph, repo, NULL,
 395 a596b957 2022-07-14 tracey 		    NULL);
 396 a596b957 2022-07-14 tracey 		if (error) {
 397 a596b957 2022-07-14 tracey 			if (error->code == GOT_ERR_ITER_COMPLETED)
 398 a596b957 2022-07-14 tracey 				error = NULL;
 399 a596b957 2022-07-14 tracey 			goto done;
 400 6227cf0e 2022-09-05 op 		}
 401 a596b957 2022-07-14 tracey 
 402 d9787ed8 2022-09-10 op 		error = got_object_open_as_commit(&commit, repo, &next_id);
 403 a596b957 2022-07-14 tracey 		if (error)
 404 a596b957 2022-07-14 tracey 			goto done;
 405 a596b957 2022-07-14 tracey 
 406 4a962942 2022-09-02 op 		error = got_init_repo_commit(&repo_commit);
 407 4a962942 2022-09-02 op 		if (error)
 408 4a962942 2022-09-02 op 			goto done;
 409 4a962942 2022-09-02 op 
 410 a596b957 2022-07-14 tracey 		error = got_get_repo_commit(c, repo_commit, commit,
 411 d9787ed8 2022-09-10 op 		    &refs, &next_id);
 412 4f0a80ed 2022-09-07 op 		if (error) {
 413 4f0a80ed 2022-09-07 op 			gotweb_free_repo_commit(repo_commit);
 414 5144d22b 2023-06-14 op 			goto done;
 415 5144d22b 2023-06-14 op 		}
 416 5144d22b 2023-06-14 op 
 417 5144d22b 2023-06-14 op 		if (--limit == 0 && chk_next) {
 418 5144d22b 2023-06-14 op 			t->more_id = strdup(repo_commit->commit_id);
 419 5144d22b 2023-06-14 op 			if (t->more_id == NULL)
 420 5144d22b 2023-06-14 op 				error = got_error_from_errno("strdup");
 421 a596b957 2022-07-14 tracey 			goto done;
 422 4f0a80ed 2022-09-07 op 		}
 423 4f0a80ed 2022-09-07 op 
 424 4f0a80ed 2022-09-07 op 		TAILQ_INSERT_TAIL(&t->repo_commits, repo_commit, entry);
 425 4f0a80ed 2022-09-07 op 
 426 5144d22b 2023-06-14 op 		if (limit == 0)
 427 5144d22b 2023-06-14 op 			goto done;
 428 a596b957 2022-07-14 tracey 
 429 a596b957 2022-07-14 tracey 		if (commit) {
 430 a596b957 2022-07-14 tracey 			got_object_commit_close(commit);
 431 a596b957 2022-07-14 tracey 			commit = NULL;
 432 a596b957 2022-07-14 tracey 		}
 433 a596b957 2022-07-14 tracey 	}
 434 4e3e8516 2023-05-17 op  done:
 435 bce44e0b 2022-09-02 op 	if (ref)
 436 bce44e0b 2022-09-02 op 		got_ref_close(ref);
 437 a596b957 2022-07-14 tracey 	if (commit)
 438 a596b957 2022-07-14 tracey 		got_object_commit_close(commit);
 439 a596b957 2022-07-14 tracey 	if (graph)
 440 a596b957 2022-07-14 tracey 		got_commit_graph_close(graph);
 441 a596b957 2022-07-14 tracey 	got_ref_list_free(&refs);
 442 dfa5768d 2022-09-02 op 	free(in_repo_path);
 443 a596b957 2022-07-14 tracey 	free(file_path);
 444 a596b957 2022-07-14 tracey 	free(repo_path);
 445 a596b957 2022-07-14 tracey 	free(id);
 446 a596b957 2022-07-14 tracey 	return error;
 447 a596b957 2022-07-14 tracey }
 448 a596b957 2022-07-14 tracey 
 449 a596b957 2022-07-14 tracey const struct got_error *
 450 23c35dae 2023-06-15 op got_get_repo_tags(struct request *c, size_t limit)
 451 a596b957 2022-07-14 tracey {
 452 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 453 a596b957 2022-07-14 tracey 	struct got_object_id *id = NULL;
 454 a596b957 2022-07-14 tracey 	struct got_commit_object *commit = NULL;
 455 a596b957 2022-07-14 tracey 	struct got_reflist_head refs;
 456 a596b957 2022-07-14 tracey 	struct got_reference *ref;
 457 a596b957 2022-07-14 tracey 	struct got_reflist_entry *re;
 458 a596b957 2022-07-14 tracey 	struct server *srv = c->srv;
 459 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 460 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
 461 a596b957 2022-07-14 tracey 	struct querystring *qs = t->qs;
 462 a596b957 2022-07-14 tracey 	struct repo_dir *repo_dir = t->repo_dir;
 463 a596b957 2022-07-14 tracey 	struct got_tag_object *tag = NULL;
 464 a596b957 2022-07-14 tracey 	char *in_repo_path = NULL, *repo_path = NULL, *id_str = NULL;
 465 625e5896 2022-09-01 op 	char *tag_commit = NULL, *tag_commit0 = NULL;
 466 a596b957 2022-07-14 tracey 	char *commit_msg = NULL, *commit_msg0 = NULL;
 467 723721e2 2023-12-08 op 	int chk_next = 0, chk_multi = 1, commit_found = 0;
 468 a596b957 2022-07-14 tracey 
 469 a596b957 2022-07-14 tracey 	TAILQ_INIT(&refs);
 470 a596b957 2022-07-14 tracey 
 471 23c35dae 2023-06-15 op 	if (limit == 0)
 472 23c35dae 2023-06-15 op 		return got_error(GOT_ERR_RANGE);
 473 23c35dae 2023-06-15 op 
 474 a596b957 2022-07-14 tracey 	if (asprintf(&repo_path, "%s/%s", srv->repos_path,
 475 a596b957 2022-07-14 tracey 	    repo_dir->name) == -1)
 476 a596b957 2022-07-14 tracey 		return got_error_from_errno("asprintf");
 477 a596b957 2022-07-14 tracey 
 478 1abb18e1 2022-12-20 op 	if (qs->commit == NULL && (qs->action == TAGS || qs->action == RSS)) {
 479 a596b957 2022-07-14 tracey 		error = got_ref_open(&ref, repo, qs->headref, 0);
 480 a596b957 2022-07-14 tracey 		if (error)
 481 723721e2 2023-12-08 op 			goto done;
 482 a596b957 2022-07-14 tracey 		error = got_ref_resolve(&id, repo, ref);
 483 a596b957 2022-07-14 tracey 		got_ref_close(ref);
 484 a596b957 2022-07-14 tracey 		if (error)
 485 723721e2 2023-12-08 op 			goto done;
 486 a596b957 2022-07-14 tracey 	} else if (qs->commit == NULL && qs->action == TAG) {
 487 a596b957 2022-07-14 tracey 		error = got_error_msg(GOT_ERR_EOF, "commit id missing");
 488 723721e2 2023-12-08 op 		goto done;
 489 a596b957 2022-07-14 tracey 	} else {
 490 a596b957 2022-07-14 tracey 		error = got_repo_match_object_id_prefix(&id, qs->commit,
 491 a596b957 2022-07-14 tracey 		    GOT_OBJ_TYPE_COMMIT, repo);
 492 a596b957 2022-07-14 tracey 		if (error)
 493 723721e2 2023-12-08 op 			goto done;
 494 a596b957 2022-07-14 tracey 	}
 495 a596b957 2022-07-14 tracey 
 496 a596b957 2022-07-14 tracey 	if (qs->action != SUMMARY && qs->action != TAGS) {
 497 a596b957 2022-07-14 tracey 		error = got_object_open_as_commit(&commit, repo, id);
 498 a596b957 2022-07-14 tracey 		if (error)
 499 723721e2 2023-12-08 op 			goto done;
 500 a596b957 2022-07-14 tracey 		error = got_object_commit_get_logmsg(&commit_msg0, commit);
 501 a596b957 2022-07-14 tracey 		if (error)
 502 723721e2 2023-12-08 op 			goto done;
 503 a596b957 2022-07-14 tracey 		if (commit) {
 504 a596b957 2022-07-14 tracey 			got_object_commit_close(commit);
 505 a596b957 2022-07-14 tracey 			commit = NULL;
 506 a596b957 2022-07-14 tracey 		}
 507 a596b957 2022-07-14 tracey 	}
 508 a596b957 2022-07-14 tracey 
 509 a596b957 2022-07-14 tracey 	error = got_repo_map_path(&in_repo_path, repo, repo_path);
 510 a596b957 2022-07-14 tracey 	if (error)
 511 723721e2 2023-12-08 op 		goto done;
 512 a596b957 2022-07-14 tracey 
 513 a596b957 2022-07-14 tracey 	error = got_ref_list(&refs, repo, "refs/tags", got_ref_cmp_tags,
 514 a596b957 2022-07-14 tracey 	   repo);
 515 a596b957 2022-07-14 tracey 	if (error)
 516 723721e2 2023-12-08 op 		goto done;
 517 a596b957 2022-07-14 tracey 
 518 a596b957 2022-07-14 tracey 	if (limit == 1)
 519 a596b957 2022-07-14 tracey 		chk_multi = 0;
 520 a596b957 2022-07-14 tracey 
 521 a596b957 2022-07-14 tracey 	/*
 522 a596b957 2022-07-14 tracey 	 * XXX: again, see previous message about caching
 523 a596b957 2022-07-14 tracey 	 */
 524 a596b957 2022-07-14 tracey 
 525 a596b957 2022-07-14 tracey 	TAILQ_FOREACH(re, &refs, entry) {
 526 a596b957 2022-07-14 tracey 		struct repo_tag *new_repo_tag = NULL;
 527 a596b957 2022-07-14 tracey 		error = got_init_repo_tag(&new_repo_tag);
 528 a596b957 2022-07-14 tracey 		if (error)
 529 723721e2 2023-12-08 op 			goto done;
 530 a596b957 2022-07-14 tracey 
 531 a596b957 2022-07-14 tracey 		TAILQ_INSERT_TAIL(&t->repo_tags, new_repo_tag, entry);
 532 a596b957 2022-07-14 tracey 
 533 a596b957 2022-07-14 tracey 		new_repo_tag->tag_name = strdup(got_ref_get_name(re->ref));
 534 a596b957 2022-07-14 tracey 		if (new_repo_tag->tag_name == NULL) {
 535 a596b957 2022-07-14 tracey 			error = got_error_from_errno("strdup");
 536 723721e2 2023-12-08 op 			goto done;
 537 a596b957 2022-07-14 tracey 		}
 538 a596b957 2022-07-14 tracey 
 539 b163541d 2022-09-02 op 		free(id);
 540 b163541d 2022-09-02 op 		id = NULL;
 541 b163541d 2022-09-02 op 
 542 b163541d 2022-09-02 op 		free(id_str);
 543 b163541d 2022-09-02 op 		id_str = NULL;
 544 b163541d 2022-09-02 op 
 545 a596b957 2022-07-14 tracey 		error = got_ref_resolve(&id, repo, re->ref);
 546 a596b957 2022-07-14 tracey 		if (error)
 547 a596b957 2022-07-14 tracey 			goto done;
 548 a596b957 2022-07-14 tracey 
 549 bc95141c 2022-09-02 op 		if (tag)
 550 bc95141c 2022-09-02 op 			got_object_tag_close(tag);
 551 a596b957 2022-07-14 tracey 		error = got_object_open_as_tag(&tag, repo, id);
 552 a596b957 2022-07-14 tracey 		if (error) {
 553 b163541d 2022-09-02 op 			if (error->code != GOT_ERR_OBJ_TYPE)
 554 a596b957 2022-07-14 tracey 				goto done;
 555 a596b957 2022-07-14 tracey 			/* "lightweight" tag */
 556 a596b957 2022-07-14 tracey 			error = got_object_open_as_commit(&commit, repo, id);
 557 b163541d 2022-09-02 op 			if (error)
 558 a596b957 2022-07-14 tracey 				goto done;
 559 a596b957 2022-07-14 tracey 			new_repo_tag->tagger =
 560 a596b957 2022-07-14 tracey 			    strdup(got_object_commit_get_committer(commit));
 561 a596b957 2022-07-14 tracey 			if (new_repo_tag->tagger == NULL) {
 562 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
 563 723721e2 2023-12-08 op 				goto done;
 564 a596b957 2022-07-14 tracey 			}
 565 a596b957 2022-07-14 tracey 			new_repo_tag->tagger_time =
 566 a596b957 2022-07-14 tracey 			    got_object_commit_get_committer_time(commit);
 567 a596b957 2022-07-14 tracey 			error = got_object_id_str(&id_str, id);
 568 a596b957 2022-07-14 tracey 			if (error)
 569 723721e2 2023-12-08 op 				goto done;
 570 a596b957 2022-07-14 tracey 		} else {
 571 a596b957 2022-07-14 tracey 			new_repo_tag->tagger =
 572 a596b957 2022-07-14 tracey 			    strdup(got_object_tag_get_tagger(tag));
 573 a596b957 2022-07-14 tracey 			if (new_repo_tag->tagger == NULL) {
 574 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
 575 723721e2 2023-12-08 op 				goto done;
 576 a596b957 2022-07-14 tracey 			}
 577 a596b957 2022-07-14 tracey 			new_repo_tag->tagger_time =
 578 a596b957 2022-07-14 tracey 			    got_object_tag_get_tagger_time(tag);
 579 a596b957 2022-07-14 tracey 			error = got_object_id_str(&id_str,
 580 a596b957 2022-07-14 tracey 			    got_object_tag_get_object_id(tag));
 581 a596b957 2022-07-14 tracey 			if (error)
 582 723721e2 2023-12-08 op 				goto done;
 583 a596b957 2022-07-14 tracey 		}
 584 a596b957 2022-07-14 tracey 
 585 a596b957 2022-07-14 tracey 		new_repo_tag->commit_id = strdup(id_str);
 586 a596b957 2022-07-14 tracey 		if (new_repo_tag->commit_id == NULL)
 587 723721e2 2023-12-08 op 			goto done;
 588 a596b957 2022-07-14 tracey 
 589 a596b957 2022-07-14 tracey 		if (commit_found == 0 && qs->commit != NULL &&
 590 a596b957 2022-07-14 tracey 		    strncmp(id_str, qs->commit, strlen(id_str)) != 0)
 591 a596b957 2022-07-14 tracey 			continue;
 592 a596b957 2022-07-14 tracey 		else
 593 a596b957 2022-07-14 tracey 			commit_found = 1;
 594 a596b957 2022-07-14 tracey 
 595 a596b957 2022-07-14 tracey 		t->tag_count++;
 596 a596b957 2022-07-14 tracey 
 597 a596b957 2022-07-14 tracey 		/*
 598 a596b957 2022-07-14 tracey 		 * check for one more commit before breaking,
 599 a596b957 2022-07-14 tracey 		 * so we know whether to navigate through briefs
 600 a596b957 2022-07-14 tracey 		 * commits and summary
 601 a596b957 2022-07-14 tracey 		 */
 602 a596b957 2022-07-14 tracey 		if (chk_next) {
 603 723721e2 2023-12-08 op 			t->tags_more_id = strdup(new_repo_tag->commit_id);
 604 723721e2 2023-12-08 op 			if (t->tags_more_id == NULL) {
 605 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
 606 723721e2 2023-12-08 op 				goto done;
 607 a596b957 2022-07-14 tracey 			}
 608 a596b957 2022-07-14 tracey 			if (commit) {
 609 a596b957 2022-07-14 tracey 				got_object_commit_close(commit);
 610 a596b957 2022-07-14 tracey 				commit = NULL;
 611 a596b957 2022-07-14 tracey 			}
 612 a596b957 2022-07-14 tracey 			TAILQ_REMOVE(&t->repo_tags, new_repo_tag, entry);
 613 a596b957 2022-07-14 tracey 			gotweb_free_repo_tag(new_repo_tag);
 614 a596b957 2022-07-14 tracey 			goto done;
 615 a596b957 2022-07-14 tracey 		}
 616 a596b957 2022-07-14 tracey 
 617 a596b957 2022-07-14 tracey 		if (commit) {
 618 625e5896 2022-09-01 op 			error = got_object_commit_get_logmsg(&tag_commit0,
 619 625e5896 2022-09-01 op 			    commit);
 620 a596b957 2022-07-14 tracey 			if (error)
 621 723721e2 2023-12-08 op 				goto done;
 622 a596b957 2022-07-14 tracey 			got_object_commit_close(commit);
 623 a596b957 2022-07-14 tracey 			commit = NULL;
 624 a596b957 2022-07-14 tracey 		} else {
 625 625e5896 2022-09-01 op 			tag_commit0 = strdup(got_object_tag_get_message(tag));
 626 625e5896 2022-09-01 op 			if (tag_commit0 == NULL) {
 627 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
 628 723721e2 2023-12-08 op 				goto done;
 629 a596b957 2022-07-14 tracey 			}
 630 a596b957 2022-07-14 tracey 		}
 631 a596b957 2022-07-14 tracey 
 632 625e5896 2022-09-01 op 		tag_commit = tag_commit0;
 633 625e5896 2022-09-01 op 		while (*tag_commit == '\n')
 634 625e5896 2022-09-01 op 			tag_commit++;
 635 625e5896 2022-09-01 op 		new_repo_tag->tag_commit = strdup(tag_commit);
 636 625e5896 2022-09-01 op 		if (new_repo_tag->tag_commit == NULL) {
 637 625e5896 2022-09-01 op 			error = got_error_from_errno("strdup");
 638 625e5896 2022-09-01 op 			free(tag_commit0);
 639 723721e2 2023-12-08 op 			goto done;
 640 625e5896 2022-09-01 op 		}
 641 625e5896 2022-09-01 op 		free(tag_commit0);
 642 a596b957 2022-07-14 tracey 
 643 a596b957 2022-07-14 tracey 		if (qs->action != SUMMARY && qs->action != TAGS) {
 644 a596b957 2022-07-14 tracey 			commit_msg = commit_msg0;
 645 a596b957 2022-07-14 tracey 			while (*commit_msg == '\n')
 646 a596b957 2022-07-14 tracey 				commit_msg++;
 647 a596b957 2022-07-14 tracey 
 648 a596b957 2022-07-14 tracey 			new_repo_tag->commit_msg = strdup(commit_msg);
 649 a596b957 2022-07-14 tracey 			if (new_repo_tag->commit_msg == NULL) {
 650 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
 651 723721e2 2023-12-08 op 				goto done;
 652 a596b957 2022-07-14 tracey 			}
 653 a596b957 2022-07-14 tracey 		}
 654 a596b957 2022-07-14 tracey 
 655 a596b957 2022-07-14 tracey 		if (limit && --limit == 0) {
 656 a596b957 2022-07-14 tracey 			if (chk_multi == 0)
 657 a596b957 2022-07-14 tracey 				break;
 658 a596b957 2022-07-14 tracey 			chk_next = 1;
 659 a596b957 2022-07-14 tracey 		}
 660 a596b957 2022-07-14 tracey 	}
 661 a596b957 2022-07-14 tracey 
 662 4e3e8516 2023-05-17 op  done:
 663 a596b957 2022-07-14 tracey 	if (commit)
 664 a596b957 2022-07-14 tracey 		got_object_commit_close(commit);
 665 b163541d 2022-09-02 op 	if (tag)
 666 b163541d 2022-09-02 op 		got_object_tag_close(tag);
 667 a596b957 2022-07-14 tracey 	got_ref_list_free(&refs);
 668 5a57034b 2022-09-02 op 	free(commit_msg0);
 669 b163541d 2022-09-02 op 	free(in_repo_path);
 670 a596b957 2022-07-14 tracey 	free(repo_path);
 671 a596b957 2022-07-14 tracey 	free(id);
 672 b163541d 2022-09-02 op 	free(id_str);
 673 a596b957 2022-07-14 tracey 	return error;
 674 a596b957 2022-07-14 tracey }
 675 a596b957 2022-07-14 tracey 
 676 43d421de 2023-01-05 op int
 677 ac15152e 2023-12-08 op got_output_repo_tree(struct request *c, char **readme,
 678 43d421de 2023-01-05 op     int (*cb)(struct template *, struct got_tree_entry *))
 679 a596b957 2022-07-14 tracey {
 680 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 681 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 682 a596b957 2022-07-14 tracey 	struct got_commit_object *commit = NULL;
 683 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
 684 a596b957 2022-07-14 tracey 	struct querystring *qs = t->qs;
 685 a596b957 2022-07-14 tracey 	struct repo_commit *rc = NULL;
 686 a596b957 2022-07-14 tracey 	struct got_object_id *tree_id = NULL, *commit_id = NULL;
 687 a596b957 2022-07-14 tracey 	struct got_reflist_head refs;
 688 a596b957 2022-07-14 tracey 	struct got_tree_object *tree = NULL;
 689 43d421de 2023-01-05 op 	struct got_tree_entry *te;
 690 a596b957 2022-07-14 tracey 	struct repo_dir *repo_dir = t->repo_dir;
 691 ac15152e 2023-12-08 op 	const char *name;
 692 ac15152e 2023-12-08 op 	mode_t mode;
 693 e5e662e4 2022-09-02 op 	char *escaped_name = NULL, *path = NULL;
 694 43d421de 2023-01-05 op 	int nentries, i;
 695 a596b957 2022-07-14 tracey 
 696 a596b957 2022-07-14 tracey 	TAILQ_INIT(&refs);
 697 ac15152e 2023-12-08 op 	*readme = NULL;
 698 a596b957 2022-07-14 tracey 
 699 a596b957 2022-07-14 tracey 	rc = TAILQ_FIRST(&t->repo_commits);
 700 a596b957 2022-07-14 tracey 
 701 a596b957 2022-07-14 tracey 	if (qs->folder != NULL) {
 702 a596b957 2022-07-14 tracey 		path = strdup(qs->folder);
 703 a596b957 2022-07-14 tracey 		if (path == NULL) {
 704 a596b957 2022-07-14 tracey 			error = got_error_from_errno("strdup");
 705 a596b957 2022-07-14 tracey 			goto done;
 706 a596b957 2022-07-14 tracey 		}
 707 a596b957 2022-07-14 tracey 	} else {
 708 6977f45a 2022-09-02 op 		error = got_repo_map_path(&path, repo, repo_dir->path);
 709 a596b957 2022-07-14 tracey 		if (error)
 710 a596b957 2022-07-14 tracey 			goto done;
 711 a596b957 2022-07-14 tracey 	}
 712 a596b957 2022-07-14 tracey 
 713 a596b957 2022-07-14 tracey 	error = got_repo_match_object_id(&commit_id, NULL, rc->commit_id,
 714 a596b957 2022-07-14 tracey 	    GOT_OBJ_TYPE_COMMIT, &refs, repo);
 715 a596b957 2022-07-14 tracey 	if (error)
 716 a596b957 2022-07-14 tracey 		goto done;
 717 a596b957 2022-07-14 tracey 
 718 a596b957 2022-07-14 tracey 	error = got_object_open_as_commit(&commit, repo, commit_id);
 719 a596b957 2022-07-14 tracey 	if (error)
 720 a596b957 2022-07-14 tracey 		goto done;
 721 a596b957 2022-07-14 tracey 
 722 a596b957 2022-07-14 tracey 	error = got_object_id_by_path(&tree_id, repo, commit, path);
 723 a596b957 2022-07-14 tracey 	if (error)
 724 a596b957 2022-07-14 tracey 		goto done;
 725 a596b957 2022-07-14 tracey 
 726 a596b957 2022-07-14 tracey 	error = got_object_open_as_tree(&tree, repo, tree_id);
 727 a596b957 2022-07-14 tracey 	if (error)
 728 a596b957 2022-07-14 tracey 		goto done;
 729 a596b957 2022-07-14 tracey 
 730 a596b957 2022-07-14 tracey 	nentries = got_object_tree_get_nentries(tree);
 731 a596b957 2022-07-14 tracey 
 732 a596b957 2022-07-14 tracey 	for (i = 0; i < nentries; i++) {
 733 a596b957 2022-07-14 tracey 		te = got_object_tree_get_entry(tree, i);
 734 ac15152e 2023-12-08 op 
 735 ac15152e 2023-12-08 op 		name = got_tree_entry_get_name(te);
 736 ac15152e 2023-12-08 op 		mode = got_tree_entry_get_mode(te);
 737 ac15152e 2023-12-08 op 		if (!S_ISDIR(mode) && (!strcasecmp(name, "README") ||
 738 ac15152e 2023-12-08 op 		    !strcasecmp(name, "README.md") ||
 739 ac15152e 2023-12-08 op 		    !strcasecmp(name, "README.txt"))) {
 740 ac15152e 2023-12-08 op 			free(*readme);
 741 ac15152e 2023-12-08 op 			*readme = strdup(name);
 742 ac15152e 2023-12-08 op 		}
 743 ac15152e 2023-12-08 op 
 744 01392bd6 2023-02-10 tracey 		if (cb(c->tp, te) == -1) {
 745 01392bd6 2023-02-10 tracey 			error = got_error(GOT_ERR_CANCELLED);
 746 43d421de 2023-01-05 op 			break;
 747 01392bd6 2023-02-10 tracey 		}
 748 a596b957 2022-07-14 tracey 	}
 749 29efeedd 2023-05-17 op  done:
 750 b7efc9b3 2022-08-25 op 	free(escaped_name);
 751 a596b957 2022-07-14 tracey 	free(path);
 752 a596b957 2022-07-14 tracey 	got_ref_list_free(&refs);
 753 a596b957 2022-07-14 tracey 	if (commit)
 754 a596b957 2022-07-14 tracey 		got_object_commit_close(commit);
 755 58354f54 2022-09-06 op 	if (tree)
 756 58354f54 2022-09-06 op 		got_object_tree_close(tree);
 757 a596b957 2022-07-14 tracey 	free(commit_id);
 758 a596b957 2022-07-14 tracey 	free(tree_id);
 759 43d421de 2023-01-05 op 	if (error) {
 760 ac15152e 2023-12-08 op 		free(*readme);
 761 ac15152e 2023-12-08 op 		*readme = NULL;
 762 8a078d7f 2023-05-17 op 		if (error->code != GOT_ERR_CANCELLED)
 763 8a078d7f 2023-05-17 op 			log_warnx("%s: %s", __func__, error->msg);
 764 43d421de 2023-01-05 op 		return -1;
 765 43d421de 2023-01-05 op 	}
 766 43d421de 2023-01-05 op 	return 0;
 767 a596b957 2022-07-14 tracey }
 768 a596b957 2022-07-14 tracey 
 769 a596b957 2022-07-14 tracey const struct got_error *
 770 298f95fb 2023-01-05 op got_open_blob_for_output(struct got_blob_object **blob, int *fd,
 771 ac15152e 2023-12-08 op     int *binary, struct request *c, const char *directory, const char *file,
 772 ac15152e 2023-12-08 op     const char *commitstr)
 773 a596b957 2022-07-14 tracey {
 774 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 775 ac15152e 2023-12-08 op 	struct got_repository *repo = c->t->repo;
 776 a596b957 2022-07-14 tracey 	struct got_commit_object *commit = NULL;
 777 a596b957 2022-07-14 tracey 	struct got_object_id *commit_id = NULL;
 778 a596b957 2022-07-14 tracey 	struct got_reflist_head refs;
 779 a596b957 2022-07-14 tracey 	char *path = NULL, *in_repo_path = NULL;
 780 298f95fb 2023-01-05 op 	int obj_type;
 781 a596b957 2022-07-14 tracey 
 782 a596b957 2022-07-14 tracey 	TAILQ_INIT(&refs);
 783 a596b957 2022-07-14 tracey 
 784 298f95fb 2023-01-05 op 	*blob = NULL;
 785 298f95fb 2023-01-05 op 	*fd = -1;
 786 298f95fb 2023-01-05 op 	*binary = 0;
 787 298f95fb 2023-01-05 op 
 788 ac15152e 2023-12-08 op 	error = got_ref_list(&refs, repo, "refs/heads",
 789 ac15152e 2023-12-08 op 	    got_ref_cmp_by_name, NULL);
 790 ac15152e 2023-12-08 op 	if (error)
 791 ac15152e 2023-12-08 op 		goto done;
 792 ac15152e 2023-12-08 op 
 793 ac15152e 2023-12-08 op 	if (asprintf(&path, "%s%s%s", directory ? directory : "",
 794 ac15152e 2023-12-08 op 	    directory ? "/" : "", file) == -1) {
 795 a596b957 2022-07-14 tracey 		error = got_error_from_errno("asprintf");
 796 a596b957 2022-07-14 tracey 		goto done;
 797 a596b957 2022-07-14 tracey 	}
 798 a596b957 2022-07-14 tracey 
 799 a596b957 2022-07-14 tracey 	error = got_repo_map_path(&in_repo_path, repo, path);
 800 a596b957 2022-07-14 tracey 	if (error)
 801 a596b957 2022-07-14 tracey 		goto done;
 802 a596b957 2022-07-14 tracey 
 803 ac15152e 2023-12-08 op 	if (commitstr == NULL)
 804 ac15152e 2023-12-08 op 		commitstr = GOT_REF_HEAD;
 805 ac15152e 2023-12-08 op 
 806 ac15152e 2023-12-08 op 	error = got_repo_match_object_id(&commit_id, NULL, commitstr,
 807 a596b957 2022-07-14 tracey 	    GOT_OBJ_TYPE_COMMIT, &refs, repo);
 808 a596b957 2022-07-14 tracey 	if (error)
 809 a596b957 2022-07-14 tracey 		goto done;
 810 a596b957 2022-07-14 tracey 
 811 a596b957 2022-07-14 tracey 	error = got_object_open_as_commit(&commit, repo, commit_id);
 812 a596b957 2022-07-14 tracey 	if (error)
 813 a596b957 2022-07-14 tracey 		goto done;
 814 a596b957 2022-07-14 tracey 
 815 a596b957 2022-07-14 tracey 	error = got_object_id_by_path(&commit_id, repo, commit, in_repo_path);
 816 a596b957 2022-07-14 tracey 	if (error)
 817 a596b957 2022-07-14 tracey 		goto done;
 818 a596b957 2022-07-14 tracey 
 819 a596b957 2022-07-14 tracey 	if (commit_id == NULL) {
 820 a596b957 2022-07-14 tracey 		error = got_error(GOT_ERR_NO_OBJ);
 821 a596b957 2022-07-14 tracey 		goto done;
 822 a596b957 2022-07-14 tracey 	}
 823 a596b957 2022-07-14 tracey 
 824 a596b957 2022-07-14 tracey 	error = got_object_get_type(&obj_type, repo, commit_id);
 825 a596b957 2022-07-14 tracey 	if (error)
 826 a596b957 2022-07-14 tracey 		goto done;
 827 a596b957 2022-07-14 tracey 
 828 a596b957 2022-07-14 tracey 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
 829 a596b957 2022-07-14 tracey 		error = got_error(GOT_ERR_OBJ_TYPE);
 830 a596b957 2022-07-14 tracey 		goto done;
 831 a596b957 2022-07-14 tracey 	}
 832 a596b957 2022-07-14 tracey 
 833 298f95fb 2023-01-05 op 	error = got_gotweb_dupfd(&c->priv_fd[BLOB_FD_1], fd);
 834 a596b957 2022-07-14 tracey 	if (error)
 835 a596b957 2022-07-14 tracey 		goto done;
 836 a596b957 2022-07-14 tracey 
 837 298f95fb 2023-01-05 op 	error = got_object_open_as_blob(blob, repo, commit_id, BUF, *fd);
 838 a596b957 2022-07-14 tracey 	if (error)
 839 a596b957 2022-07-14 tracey 		goto done;
 840 0b287d3f 2023-01-04 op 
 841 298f95fb 2023-01-05 op 	error = got_object_blob_is_binary(binary, *blob);
 842 0b287d3f 2023-01-04 op 	if (error)
 843 0b287d3f 2023-01-04 op 		goto done;
 844 0b287d3f 2023-01-04 op 
 845 298f95fb 2023-01-05 op  done:
 846 298f95fb 2023-01-05 op 	if (commit)
 847 298f95fb 2023-01-05 op 		got_object_commit_close(commit);
 848 298f95fb 2023-01-05 op 
 849 298f95fb 2023-01-05 op 	if (error) {
 850 298f95fb 2023-01-05 op 		if (*fd != -1)
 851 298f95fb 2023-01-05 op 			close(*fd);
 852 298f95fb 2023-01-05 op 		if (*blob)
 853 298f95fb 2023-01-05 op 			got_object_blob_close(*blob);
 854 298f95fb 2023-01-05 op 		*fd = -1;
 855 298f95fb 2023-01-05 op 		*blob = NULL;
 856 298f95fb 2023-01-05 op 	}
 857 298f95fb 2023-01-05 op 
 858 ac15152e 2023-12-08 op 	got_ref_list_free(&refs);
 859 298f95fb 2023-01-05 op 	free(in_repo_path);
 860 298f95fb 2023-01-05 op 	free(commit_id);
 861 298f95fb 2023-01-05 op 	free(path);
 862 a596b957 2022-07-14 tracey 	return error;
 863 298f95fb 2023-01-05 op }
 864 298f95fb 2023-01-05 op 
 865 298f95fb 2023-01-05 op int
 866 298f95fb 2023-01-05 op got_output_blob_by_lines(struct template *tp, struct got_blob_object *blob,
 867 298f95fb 2023-01-05 op     int (*cb)(struct template *, const char *, size_t))
 868 298f95fb 2023-01-05 op {
 869 298f95fb 2023-01-05 op 	const struct got_error	*err;
 870 298f95fb 2023-01-05 op 	char			*line = NULL;
 871 298f95fb 2023-01-05 op 	size_t			 linesize = 0;
 872 298f95fb 2023-01-05 op 	size_t			 lineno = 0;
 873 298f95fb 2023-01-05 op 	ssize_t			 linelen = 0;
 874 298f95fb 2023-01-05 op 
 875 298f95fb 2023-01-05 op 	for (;;) {
 876 298f95fb 2023-01-05 op 		err = got_object_blob_getline(&line, &linelen, &linesize,
 877 298f95fb 2023-01-05 op 		    blob);
 878 298f95fb 2023-01-05 op 		if (err || linelen == -1)
 879 298f95fb 2023-01-05 op 			break;
 880 298f95fb 2023-01-05 op 		lineno++;
 881 01392bd6 2023-02-10 tracey 		if (cb(tp, line, lineno) == -1) {
 882 01392bd6 2023-02-10 tracey 			err = got_error(GOT_ERR_CANCELLED);
 883 298f95fb 2023-01-05 op 			break;
 884 01392bd6 2023-02-10 tracey 		}
 885 298f95fb 2023-01-05 op 	}
 886 298f95fb 2023-01-05 op 
 887 298f95fb 2023-01-05 op 	free(line);
 888 298f95fb 2023-01-05 op 
 889 298f95fb 2023-01-05 op 	if (err) {
 890 8a078d7f 2023-05-17 op 		if (err->code != GOT_ERR_CANCELLED)
 891 8a078d7f 2023-05-17 op 			log_warnx("%s: got_object_blob_getline failed: %s",
 892 8a078d7f 2023-05-17 op 			    __func__, err->msg);
 893 298f95fb 2023-01-05 op 		return -1;
 894 298f95fb 2023-01-05 op 	}
 895 298f95fb 2023-01-05 op 	return 0;
 896 a596b957 2022-07-14 tracey }
 897 a596b957 2022-07-14 tracey 
 898 a596b957 2022-07-14 tracey struct blame_cb_args {
 899 a596b957 2022-07-14 tracey 	struct blame_line *lines;
 900 a596b957 2022-07-14 tracey 	int nlines;
 901 a596b957 2022-07-14 tracey 	int nlines_prec;
 902 a596b957 2022-07-14 tracey 	int lineno_cur;
 903 a596b957 2022-07-14 tracey 	off_t *line_offsets;
 904 a596b957 2022-07-14 tracey 	FILE *f;
 905 a596b957 2022-07-14 tracey 	struct got_repository *repo;
 906 a596b957 2022-07-14 tracey 	struct request *c;
 907 8319855f 2023-01-15 op 	got_render_blame_line_cb cb;
 908 a596b957 2022-07-14 tracey };
 909 a596b957 2022-07-14 tracey 
 910 a596b957 2022-07-14 tracey static const struct got_error *
 911 a596b957 2022-07-14 tracey got_gotweb_blame_cb(void *arg, int nlines, int lineno,
 912 a596b957 2022-07-14 tracey     struct got_commit_object *commit, struct got_object_id *id)
 913 a596b957 2022-07-14 tracey {
 914 a596b957 2022-07-14 tracey 	const struct got_error *err = NULL;
 915 a596b957 2022-07-14 tracey 	struct blame_cb_args *a = arg;
 916 a596b957 2022-07-14 tracey 	struct blame_line *bline;
 917 a596b957 2022-07-14 tracey 	struct request *c = a->c;
 918 8319855f 2023-01-15 op 	char *line = NULL;
 919 a596b957 2022-07-14 tracey 	size_t linesize = 0;
 920 a596b957 2022-07-14 tracey 	off_t offset;
 921 a596b957 2022-07-14 tracey 	struct tm tm;
 922 a596b957 2022-07-14 tracey 	time_t committer_time;
 923 a596b957 2022-07-14 tracey 
 924 a596b957 2022-07-14 tracey 	if (nlines != a->nlines ||
 925 a596b957 2022-07-14 tracey 	    (lineno != -1 && lineno < 1) || lineno > a->nlines)
 926 a596b957 2022-07-14 tracey 		return got_error(GOT_ERR_RANGE);
 927 a596b957 2022-07-14 tracey 
 928 a596b957 2022-07-14 tracey 	if (lineno == -1)
 929 a596b957 2022-07-14 tracey 		return NULL; /* no change in this commit */
 930 a596b957 2022-07-14 tracey 
 931 a596b957 2022-07-14 tracey 	/* Annotate this line. */
 932 a596b957 2022-07-14 tracey 	bline = &a->lines[lineno - 1];
 933 a596b957 2022-07-14 tracey 	if (bline->annotated)
 934 a596b957 2022-07-14 tracey 		return NULL;
 935 a596b957 2022-07-14 tracey 	err = got_object_id_str(&bline->id_str, id);
 936 a596b957 2022-07-14 tracey 	if (err)
 937 a596b957 2022-07-14 tracey 		return err;
 938 a596b957 2022-07-14 tracey 
 939 a596b957 2022-07-14 tracey 	bline->committer = strdup(got_object_commit_get_committer(commit));
 940 a596b957 2022-07-14 tracey 	if (bline->committer == NULL) {
 941 a596b957 2022-07-14 tracey 		err = got_error_from_errno("strdup");
 942 a596b957 2022-07-14 tracey 		goto done;
 943 a596b957 2022-07-14 tracey 	}
 944 a596b957 2022-07-14 tracey 
 945 a596b957 2022-07-14 tracey 	committer_time = got_object_commit_get_committer_time(commit);
 946 a596b957 2022-07-14 tracey 	if (gmtime_r(&committer_time, &tm) == NULL)
 947 a596b957 2022-07-14 tracey 		return got_error_from_errno("gmtime_r");
 948 283939fb 2024-04-23 op 	if (strftime(bline->datebuf, sizeof(bline->datebuf), "%F", &tm) == 0) {
 949 a596b957 2022-07-14 tracey 		err = got_error(GOT_ERR_NO_SPACE);
 950 a596b957 2022-07-14 tracey 		goto done;
 951 a596b957 2022-07-14 tracey 	}
 952 a596b957 2022-07-14 tracey 	bline->annotated = 1;
 953 a596b957 2022-07-14 tracey 
 954 a596b957 2022-07-14 tracey 	/* Print lines annotated so far. */
 955 a596b957 2022-07-14 tracey 	bline = &a->lines[a->lineno_cur - 1];
 956 a596b957 2022-07-14 tracey 	if (!bline->annotated)
 957 a596b957 2022-07-14 tracey 		goto done;
 958 a596b957 2022-07-14 tracey 
 959 a596b957 2022-07-14 tracey 	offset = a->line_offsets[a->lineno_cur - 1];
 960 a596b957 2022-07-14 tracey 	if (fseeko(a->f, offset, SEEK_SET) == -1) {
 961 a596b957 2022-07-14 tracey 		err = got_error_from_errno("fseeko");
 962 a596b957 2022-07-14 tracey 		goto done;
 963 a596b957 2022-07-14 tracey 	}
 964 a596b957 2022-07-14 tracey 
 965 85f2c2e0 2022-08-18 op 	while (a->lineno_cur <= a->nlines && bline->annotated) {
 966 a596b957 2022-07-14 tracey 		if (getline(&line, &linesize, a->f) == -1) {
 967 a596b957 2022-07-14 tracey 			if (ferror(a->f))
 968 a596b957 2022-07-14 tracey 				err = got_error_from_errno("getline");
 969 a596b957 2022-07-14 tracey 			break;
 970 a596b957 2022-07-14 tracey 		}
 971 a596b957 2022-07-14 tracey 
 972 8319855f 2023-01-15 op 		if (a->cb(c->tp, line, bline, a->nlines_prec,
 973 4f152e84 2023-02-10 op 		    a->lineno_cur) == -1) {
 974 4f152e84 2023-02-10 op 			err = got_error(GOT_ERR_CANCELLED);
 975 8319855f 2023-01-15 op 			break;
 976 4f152e84 2023-02-10 op 		}
 977 01498c42 2022-08-19 op 
 978 a596b957 2022-07-14 tracey 		a->lineno_cur++;
 979 a596b957 2022-07-14 tracey 		bline = &a->lines[a->lineno_cur - 1];
 980 a596b957 2022-07-14 tracey 	}
 981 4e3e8516 2023-05-17 op  done:
 982 a596b957 2022-07-14 tracey 	free(line);
 983 a596b957 2022-07-14 tracey 	return err;
 984 a596b957 2022-07-14 tracey }
 985 a596b957 2022-07-14 tracey 
 986 a596b957 2022-07-14 tracey const struct got_error *
 987 8319855f 2023-01-15 op got_output_file_blame(struct request *c, got_render_blame_line_cb cb)
 988 a596b957 2022-07-14 tracey {
 989 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 990 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 991 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
 992 a596b957 2022-07-14 tracey 	struct querystring *qs = c->t->qs;
 993 a596b957 2022-07-14 tracey 	struct got_object_id *obj_id = NULL, *commit_id = NULL;
 994 a596b957 2022-07-14 tracey 	struct got_commit_object *commit = NULL;
 995 a596b957 2022-07-14 tracey 	struct got_reflist_head refs;
 996 a596b957 2022-07-14 tracey 	struct got_blob_object *blob = NULL;
 997 a596b957 2022-07-14 tracey 	char *path = NULL, *in_repo_path = NULL;
 998 a596b957 2022-07-14 tracey 	struct blame_cb_args bca;
 999 e62232ad 2023-05-16 op 	int i, obj_type, blobfd = -1, fd1 = -1, fd2 = -1;
1000 a596b957 2022-07-14 tracey 	off_t filesize;
1001 a596b957 2022-07-14 tracey 	FILE *f1 = NULL, *f2 = NULL;
1002 a596b957 2022-07-14 tracey 
1003 a596b957 2022-07-14 tracey 	TAILQ_INIT(&refs);
1004 a596b957 2022-07-14 tracey 	bca.f = NULL;
1005 a596b957 2022-07-14 tracey 	bca.lines = NULL;
1006 8319855f 2023-01-15 op 	bca.cb = cb;
1007 a596b957 2022-07-14 tracey 
1008 26b163a0 2024-01-30 op 	if (asprintf(&path, "%s/%s", qs->folder, qs->file) == -1) {
1009 a596b957 2022-07-14 tracey 		error = got_error_from_errno("asprintf");
1010 a596b957 2022-07-14 tracey 		goto done;
1011 a596b957 2022-07-14 tracey 	}
1012 a596b957 2022-07-14 tracey 
1013 a596b957 2022-07-14 tracey 	error = got_repo_map_path(&in_repo_path, repo, path);
1014 a596b957 2022-07-14 tracey 	if (error)
1015 a596b957 2022-07-14 tracey 		goto done;
1016 a596b957 2022-07-14 tracey 
1017 a596b957 2022-07-14 tracey 	error = got_repo_match_object_id(&commit_id, NULL, qs->commit,
1018 a596b957 2022-07-14 tracey 	    GOT_OBJ_TYPE_COMMIT, &refs, repo);
1019 a596b957 2022-07-14 tracey 	if (error)
1020 a596b957 2022-07-14 tracey 		goto done;
1021 a596b957 2022-07-14 tracey 
1022 a596b957 2022-07-14 tracey 	error = got_object_open_as_commit(&commit, repo, commit_id);
1023 a596b957 2022-07-14 tracey 	if (error)
1024 a596b957 2022-07-14 tracey 		goto done;
1025 a596b957 2022-07-14 tracey 
1026 a596b957 2022-07-14 tracey 	error = got_object_id_by_path(&obj_id, repo, commit, in_repo_path);
1027 a596b957 2022-07-14 tracey 	if (error)
1028 a596b957 2022-07-14 tracey 		goto done;
1029 a596b957 2022-07-14 tracey 
1030 a596b957 2022-07-14 tracey 	error = got_object_get_type(&obj_type, repo, obj_id);
1031 a596b957 2022-07-14 tracey 	if (error)
1032 a596b957 2022-07-14 tracey 		goto done;
1033 a596b957 2022-07-14 tracey 
1034 a596b957 2022-07-14 tracey 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
1035 a596b957 2022-07-14 tracey 		error = got_error(GOT_ERR_OBJ_TYPE);
1036 a596b957 2022-07-14 tracey 		goto done;
1037 a596b957 2022-07-14 tracey 	}
1038 a596b957 2022-07-14 tracey 
1039 18069c98 2023-05-16 op 	error = got_gotweb_openfile(&bca.f, &c->priv_fd[BLAME_FD_1]);
1040 a596b957 2022-07-14 tracey 	if (error)
1041 a596b957 2022-07-14 tracey 		goto done;
1042 a596b957 2022-07-14 tracey 
1043 e62232ad 2023-05-16 op 	error = got_gotweb_dupfd(&c->priv_fd[BLAME_FD_2], &blobfd);
1044 a596b957 2022-07-14 tracey 	if (error)
1045 a596b957 2022-07-14 tracey 		goto done;
1046 a596b957 2022-07-14 tracey 
1047 e62232ad 2023-05-16 op 	error = got_object_open_as_blob(&blob, repo, obj_id, BUF, blobfd);
1048 a596b957 2022-07-14 tracey 	if (error)
1049 a596b957 2022-07-14 tracey 		goto done;
1050 a596b957 2022-07-14 tracey 
1051 a596b957 2022-07-14 tracey 	error = got_object_blob_dump_to_file(&filesize, &bca.nlines,
1052 a596b957 2022-07-14 tracey 	    &bca.line_offsets, bca.f, blob);
1053 a596b957 2022-07-14 tracey 	if (error || bca.nlines == 0)
1054 a596b957 2022-07-14 tracey 		goto done;
1055 a596b957 2022-07-14 tracey 
1056 a596b957 2022-07-14 tracey 	/* Don't include \n at EOF in the blame line count. */
1057 a596b957 2022-07-14 tracey 	if (bca.line_offsets[bca.nlines - 1] == filesize)
1058 a596b957 2022-07-14 tracey 		bca.nlines--;
1059 a596b957 2022-07-14 tracey 
1060 a596b957 2022-07-14 tracey 	bca.lines = calloc(bca.nlines, sizeof(*bca.lines));
1061 a596b957 2022-07-14 tracey 	if (bca.lines == NULL) {
1062 a596b957 2022-07-14 tracey 		error = got_error_from_errno("calloc");
1063 a596b957 2022-07-14 tracey 		goto done;
1064 a596b957 2022-07-14 tracey 	}
1065 a596b957 2022-07-14 tracey 	bca.lineno_cur = 1;
1066 a596b957 2022-07-14 tracey 	bca.nlines_prec = 0;
1067 a596b957 2022-07-14 tracey 	i = bca.nlines;
1068 a596b957 2022-07-14 tracey 	while (i > 0) {
1069 a596b957 2022-07-14 tracey 		i /= 10;
1070 a596b957 2022-07-14 tracey 		bca.nlines_prec++;
1071 a596b957 2022-07-14 tracey 	}
1072 a596b957 2022-07-14 tracey 	bca.repo = repo;
1073 a596b957 2022-07-14 tracey 	bca.c = c;
1074 a596b957 2022-07-14 tracey 
1075 e62232ad 2023-05-16 op 	error = got_gotweb_dupfd(&c->priv_fd[BLAME_FD_3], &fd1);
1076 a596b957 2022-07-14 tracey 	if (error)
1077 a596b957 2022-07-14 tracey 		goto done;
1078 a596b957 2022-07-14 tracey 
1079 e62232ad 2023-05-16 op 	error = got_gotweb_dupfd(&c->priv_fd[BLAME_FD_4], &fd2);
1080 a596b957 2022-07-14 tracey 	if (error)
1081 a596b957 2022-07-14 tracey 		goto done;
1082 a596b957 2022-07-14 tracey 
1083 18069c98 2023-05-16 op 	error = got_gotweb_openfile(&f1, &c->priv_fd[BLAME_FD_5]);
1084 a596b957 2022-07-14 tracey 	if (error)
1085 a596b957 2022-07-14 tracey 		goto done;
1086 a596b957 2022-07-14 tracey 
1087 18069c98 2023-05-16 op 	error = got_gotweb_openfile(&f2, &c->priv_fd[BLAME_FD_6]);
1088 a596b957 2022-07-14 tracey 	if (error)
1089 a596b957 2022-07-14 tracey 		goto done;
1090 a596b957 2022-07-14 tracey 
1091 a596b957 2022-07-14 tracey 	error = got_blame(in_repo_path, commit_id, repo,
1092 a596b957 2022-07-14 tracey 	    GOT_DIFF_ALGORITHM_MYERS, got_gotweb_blame_cb, &bca, NULL, NULL,
1093 e62232ad 2023-05-16 op 	    fd1, fd2, f1, f2);
1094 a596b957 2022-07-14 tracey 
1095 4e3e8516 2023-05-17 op  done:
1096 a33a44db 2022-09-03 op 	if (bca.lines) {
1097 a596b957 2022-07-14 tracey 		free(bca.line_offsets);
1098 a596b957 2022-07-14 tracey 		for (i = 0; i < bca.nlines; i++) {
1099 a596b957 2022-07-14 tracey 			struct blame_line *bline = &bca.lines[i];
1100 a596b957 2022-07-14 tracey 			free(bline->id_str);
1101 a596b957 2022-07-14 tracey 			free(bline->committer);
1102 a596b957 2022-07-14 tracey 		}
1103 a596b957 2022-07-14 tracey 	}
1104 a596b957 2022-07-14 tracey 	free(bca.lines);
1105 e62232ad 2023-05-16 op 	if (blobfd != -1 && close(blobfd) == -1 && error == NULL)
1106 a596b957 2022-07-14 tracey 		error = got_error_from_errno("close");
1107 e62232ad 2023-05-16 op 	if (fd1 != -1 && close(fd1) == -1 && error == NULL)
1108 a596b957 2022-07-14 tracey 		error = got_error_from_errno("close");
1109 e62232ad 2023-05-16 op 	if (fd2 != -1 && close(fd2) == -1 && error == NULL)
1110 a596b957 2022-07-14 tracey 		error = got_error_from_errno("close");
1111 a596b957 2022-07-14 tracey 	if (bca.f) {
1112 24a4d801 2023-05-16 op 		const struct got_error *bca_err = got_gotweb_closefile(bca.f);
1113 a596b957 2022-07-14 tracey 		if (error == NULL)
1114 a596b957 2022-07-14 tracey 			error = bca_err;
1115 a596b957 2022-07-14 tracey 	}
1116 a596b957 2022-07-14 tracey 	if (f1) {
1117 24a4d801 2023-05-16 op 		const struct got_error *f1_err = got_gotweb_closefile(f1);
1118 a596b957 2022-07-14 tracey 		if (error == NULL)
1119 a596b957 2022-07-14 tracey 			error = f1_err;
1120 a596b957 2022-07-14 tracey 	}
1121 a596b957 2022-07-14 tracey 	if (f2) {
1122 24a4d801 2023-05-16 op 		const struct got_error *f2_err = got_gotweb_closefile(f2);
1123 a596b957 2022-07-14 tracey 		if (error == NULL)
1124 a596b957 2022-07-14 tracey 			error = f2_err;
1125 a596b957 2022-07-14 tracey 	}
1126 a596b957 2022-07-14 tracey 	if (commit)
1127 a596b957 2022-07-14 tracey 		got_object_commit_close(commit);
1128 a596b957 2022-07-14 tracey 	if (blob)
1129 a596b957 2022-07-14 tracey 		got_object_blob_close(blob);
1130 a596b957 2022-07-14 tracey 	free(in_repo_path);
1131 a596b957 2022-07-14 tracey 	free(commit_id);
1132 b94206d0 2022-09-03 op 	free(obj_id);
1133 a596b957 2022-07-14 tracey 	free(path);
1134 b94206d0 2022-09-03 op 	got_ref_list_free(&refs);
1135 a596b957 2022-07-14 tracey 	return error;
1136 a596b957 2022-07-14 tracey }
1137 a596b957 2022-07-14 tracey 
1138 a596b957 2022-07-14 tracey const struct got_error *
1139 18069c98 2023-05-16 op got_open_diff_for_output(FILE **fp, struct request *c)
1140 a596b957 2022-07-14 tracey {
1141 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
1142 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
1143 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
1144 a596b957 2022-07-14 tracey 	struct repo_commit *rc = NULL;
1145 a596b957 2022-07-14 tracey 	struct got_object_id *id1 = NULL, *id2 = NULL;
1146 a596b957 2022-07-14 tracey 	struct got_reflist_head refs;
1147 a596b957 2022-07-14 tracey 	FILE *f1 = NULL, *f2 = NULL, *f3 = NULL;
1148 e62232ad 2023-05-16 op 	int obj_type, fd1 = -1, fd2 = -1;
1149 169b1631 2023-01-06 op 
1150 587550a5 2023-01-10 op 	*fp = NULL;
1151 587550a5 2023-01-10 op 
1152 a596b957 2022-07-14 tracey 	TAILQ_INIT(&refs);
1153 a596b957 2022-07-14 tracey 
1154 18069c98 2023-05-16 op 	error = got_gotweb_openfile(&f1, &c->priv_fd[DIFF_FD_1]);
1155 a596b957 2022-07-14 tracey 	if (error)
1156 a596b957 2022-07-14 tracey 		return error;
1157 a596b957 2022-07-14 tracey 
1158 18069c98 2023-05-16 op 	error = got_gotweb_openfile(&f2, &c->priv_fd[DIFF_FD_2]);
1159 a596b957 2022-07-14 tracey 	if (error)
1160 a596b957 2022-07-14 tracey 		return error;
1161 a596b957 2022-07-14 tracey 
1162 18069c98 2023-05-16 op 	error = got_gotweb_openfile(&f3, &c->priv_fd[DIFF_FD_3]);
1163 a596b957 2022-07-14 tracey 	if (error)
1164 a596b957 2022-07-14 tracey 		return error;
1165 a596b957 2022-07-14 tracey 
1166 a596b957 2022-07-14 tracey 	rc = TAILQ_FIRST(&t->repo_commits);
1167 a596b957 2022-07-14 tracey 
1168 a596b957 2022-07-14 tracey 	if (rc->parent_id != NULL &&
1169 a596b957 2022-07-14 tracey 	    strncmp(rc->parent_id, "/dev/null", 9) != 0) {
1170 587550a5 2023-01-10 op 		error = got_repo_match_object_id(&id1, NULL,
1171 a596b957 2022-07-14 tracey 		    rc->parent_id, GOT_OBJ_TYPE_ANY,
1172 a596b957 2022-07-14 tracey 		    &refs, repo);
1173 a596b957 2022-07-14 tracey 		if (error)
1174 a596b957 2022-07-14 tracey 			goto done;
1175 a596b957 2022-07-14 tracey 	}
1176 a596b957 2022-07-14 tracey 
1177 587550a5 2023-01-10 op 	error = got_repo_match_object_id(&id2, NULL, rc->commit_id,
1178 a596b957 2022-07-14 tracey 	    GOT_OBJ_TYPE_ANY, &refs, repo);
1179 a596b957 2022-07-14 tracey 	if (error)
1180 a596b957 2022-07-14 tracey 		goto done;
1181 a596b957 2022-07-14 tracey 
1182 a596b957 2022-07-14 tracey 	error = got_object_get_type(&obj_type, repo, id2);
1183 a596b957 2022-07-14 tracey 	if (error)
1184 a596b957 2022-07-14 tracey 		goto done;
1185 a596b957 2022-07-14 tracey 
1186 e62232ad 2023-05-16 op 	error = got_gotweb_dupfd(&c->priv_fd[DIFF_FD_4], &fd1);
1187 a596b957 2022-07-14 tracey 	if (error)
1188 a596b957 2022-07-14 tracey 		goto done;
1189 a596b957 2022-07-14 tracey 
1190 e62232ad 2023-05-16 op 	error = got_gotweb_dupfd(&c->priv_fd[DIFF_FD_5], &fd2);
1191 a596b957 2022-07-14 tracey 	if (error)
1192 a596b957 2022-07-14 tracey 		goto done;
1193 a596b957 2022-07-14 tracey 
1194 a596b957 2022-07-14 tracey 	switch (obj_type) {
1195 a596b957 2022-07-14 tracey 	case GOT_OBJ_TYPE_BLOB:
1196 e62232ad 2023-05-16 op 		error = got_diff_objects_as_blobs(NULL, NULL, f1, f2, fd1, fd2,
1197 a596b957 2022-07-14 tracey 		     id1, id2, NULL, NULL, GOT_DIFF_ALGORITHM_MYERS, 3, 0, 0,
1198 1f3405c9 2023-01-17 mark 		     NULL, repo, f3);
1199 a596b957 2022-07-14 tracey 		break;
1200 a596b957 2022-07-14 tracey 	case GOT_OBJ_TYPE_TREE:
1201 e62232ad 2023-05-16 op 		error = got_diff_objects_as_trees(NULL, NULL, f1, f2, fd1, fd2,
1202 a596b957 2022-07-14 tracey 		    id1, id2, NULL, "", "",  GOT_DIFF_ALGORITHM_MYERS, 3, 0, 0,
1203 1f3405c9 2023-01-17 mark 		    NULL, repo, f3);
1204 a596b957 2022-07-14 tracey 		break;
1205 a596b957 2022-07-14 tracey 	case GOT_OBJ_TYPE_COMMIT:
1206 e62232ad 2023-05-16 op 		error = got_diff_objects_as_commits(NULL, NULL, f1, f2, fd1,
1207 e62232ad 2023-05-16 op 		    fd2, id1, id2, NULL,  GOT_DIFF_ALGORITHM_MYERS, 3, 0, 0,
1208 1f3405c9 2023-01-17 mark 		    NULL, repo, f3);
1209 a596b957 2022-07-14 tracey 		break;
1210 a596b957 2022-07-14 tracey 	default:
1211 a596b957 2022-07-14 tracey 		error = got_error(GOT_ERR_OBJ_TYPE);
1212 a596b957 2022-07-14 tracey 	}
1213 a596b957 2022-07-14 tracey 	if (error)
1214 a596b957 2022-07-14 tracey 		goto done;
1215 a596b957 2022-07-14 tracey 
1216 a596b957 2022-07-14 tracey 	if (fseek(f3, 0, SEEK_SET) == -1) {
1217 a596b957 2022-07-14 tracey 		error = got_ferror(f3, GOT_ERR_IO);
1218 a596b957 2022-07-14 tracey 		goto done;
1219 a596b957 2022-07-14 tracey 	}
1220 a596b957 2022-07-14 tracey 
1221 587550a5 2023-01-10 op 	*fp = f3;
1222 01498c42 2022-08-19 op 
1223 4e3e8516 2023-05-17 op  done:
1224 e62232ad 2023-05-16 op 	if (fd1 != -1 && close(fd1) == -1 && error == NULL)
1225 a596b957 2022-07-14 tracey 		error = got_error_from_errno("close");
1226 e62232ad 2023-05-16 op 	if (fd2 != -1 && close(fd2) == -1 && error == NULL)
1227 a596b957 2022-07-14 tracey 		error = got_error_from_errno("close");
1228 a596b957 2022-07-14 tracey 	if (f1) {
1229 24a4d801 2023-05-16 op 		const struct got_error *f1_err = got_gotweb_closefile(f1);
1230 a596b957 2022-07-14 tracey 		if (error == NULL)
1231 a596b957 2022-07-14 tracey 			error = f1_err;
1232 a596b957 2022-07-14 tracey 	}
1233 a596b957 2022-07-14 tracey 	if (f2) {
1234 24a4d801 2023-05-16 op 		const struct got_error *f2_err = got_gotweb_closefile(f2);
1235 a596b957 2022-07-14 tracey 		if (error == NULL)
1236 a596b957 2022-07-14 tracey 			error = f2_err;
1237 a596b957 2022-07-14 tracey 	}
1238 587550a5 2023-01-10 op 	if (error && f3) {
1239 24a4d801 2023-05-16 op 		got_gotweb_closefile(f3);
1240 587550a5 2023-01-10 op 		*fp = NULL;
1241 a596b957 2022-07-14 tracey 	}
1242 a596b957 2022-07-14 tracey 	got_ref_list_free(&refs);
1243 a596b957 2022-07-14 tracey 	free(id1);
1244 a596b957 2022-07-14 tracey 	free(id2);
1245 a596b957 2022-07-14 tracey 	return error;
1246 a596b957 2022-07-14 tracey }
1247 a596b957 2022-07-14 tracey 
1248 a596b957 2022-07-14 tracey static const struct got_error *
1249 a596b957 2022-07-14 tracey got_init_repo_commit(struct repo_commit **rc)
1250 a596b957 2022-07-14 tracey {
1251 a596b957 2022-07-14 tracey 	*rc = calloc(1, sizeof(**rc));
1252 a596b957 2022-07-14 tracey 	if (*rc == NULL)
1253 50f6148a 2023-05-29 op 		return got_error_from_errno2(__func__, "calloc");
1254 a596b957 2022-07-14 tracey 
1255 a596b957 2022-07-14 tracey 	(*rc)->path = NULL;
1256 a596b957 2022-07-14 tracey 	(*rc)->refs_str = NULL;
1257 a596b957 2022-07-14 tracey 	(*rc)->commit_id = NULL;
1258 a596b957 2022-07-14 tracey 	(*rc)->committer = NULL;
1259 a596b957 2022-07-14 tracey 	(*rc)->author = NULL;
1260 a596b957 2022-07-14 tracey 	(*rc)->parent_id = NULL;
1261 a596b957 2022-07-14 tracey 	(*rc)->tree_id = NULL;
1262 a596b957 2022-07-14 tracey 	(*rc)->commit_msg = NULL;
1263 a596b957 2022-07-14 tracey 
1264 dd84f505 2022-08-31 stsp 	return NULL;
1265 a596b957 2022-07-14 tracey }
1266 a596b957 2022-07-14 tracey 
1267 a596b957 2022-07-14 tracey static const struct got_error *
1268 a596b957 2022-07-14 tracey got_init_repo_tag(struct repo_tag **rt)
1269 a596b957 2022-07-14 tracey {
1270 a596b957 2022-07-14 tracey 	*rt = calloc(1, sizeof(**rt));
1271 a596b957 2022-07-14 tracey 	if (*rt == NULL)
1272 50f6148a 2023-05-29 op 		return got_error_from_errno2(__func__, "calloc");
1273 a596b957 2022-07-14 tracey 
1274 a596b957 2022-07-14 tracey 	(*rt)->commit_id = NULL;
1275 a596b957 2022-07-14 tracey 	(*rt)->tag_name = NULL;
1276 a596b957 2022-07-14 tracey 	(*rt)->tag_commit = NULL;
1277 a596b957 2022-07-14 tracey 	(*rt)->commit_msg = NULL;
1278 a596b957 2022-07-14 tracey 	(*rt)->tagger = NULL;
1279 a596b957 2022-07-14 tracey 
1280 dd84f505 2022-08-31 stsp 	return NULL;
1281 a596b957 2022-07-14 tracey }