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 a596b957 2022-07-14 tracey #include <stdlib.h>
  26 a596b957 2022-07-14 tracey #include <stdio.h>
  27 a596b957 2022-07-14 tracey #include <string.h>
  28 a596b957 2022-07-14 tracey #include <unistd.h>
  29 a596b957 2022-07-14 tracey 
  30 a596b957 2022-07-14 tracey #include "got_error.h"
  31 a596b957 2022-07-14 tracey #include "got_object.h"
  32 a596b957 2022-07-14 tracey #include "got_reference.h"
  33 a596b957 2022-07-14 tracey #include "got_repository.h"
  34 a596b957 2022-07-14 tracey #include "got_path.h"
  35 a596b957 2022-07-14 tracey #include "got_cancel.h"
  36 a596b957 2022-07-14 tracey #include "got_diff.h"
  37 a596b957 2022-07-14 tracey #include "got_commit_graph.h"
  38 a596b957 2022-07-14 tracey #include "got_blame.h"
  39 a596b957 2022-07-14 tracey #include "got_privsep.h"
  40 a596b957 2022-07-14 tracey 
  41 a596b957 2022-07-14 tracey #include "proc.h"
  42 a596b957 2022-07-14 tracey #include "gotwebd.h"
  43 a596b957 2022-07-14 tracey 
  44 a596b957 2022-07-14 tracey static const struct got_error *got_init_repo_commit(struct repo_commit **);
  45 a596b957 2022-07-14 tracey static const struct got_error *got_init_repo_tag(struct repo_tag **);
  46 a596b957 2022-07-14 tracey static const struct got_error *got_get_repo_commit(struct request *,
  47 a596b957 2022-07-14 tracey     struct repo_commit *, struct got_commit_object *, struct got_reflist_head *,
  48 a596b957 2022-07-14 tracey     struct got_object_id *);
  49 a596b957 2022-07-14 tracey static const struct got_error *got_gotweb_dupfd(int *, int *);
  50 a596b957 2022-07-14 tracey static const struct got_error *got_gotweb_openfile(FILE **, int *, int *);
  51 a596b957 2022-07-14 tracey static const struct got_error *got_gotweb_blame_cb(void *, int, int,
  52 a596b957 2022-07-14 tracey     struct got_commit_object *,struct got_object_id *);
  53 a596b957 2022-07-14 tracey 
  54 587550a5 2023-01-10 op const struct got_error *
  55 a596b957 2022-07-14 tracey got_gotweb_flushfile(FILE *f, int fd)
  56 a596b957 2022-07-14 tracey {
  57 a596b957 2022-07-14 tracey 	if (fseek(f, 0, SEEK_SET) == -1)
  58 a596b957 2022-07-14 tracey 		return got_error_from_errno("fseek");
  59 a596b957 2022-07-14 tracey 
  60 a596b957 2022-07-14 tracey 	if (ftruncate(fd, 0) == -1)
  61 a596b957 2022-07-14 tracey 		return got_error_from_errno("ftruncate");
  62 a596b957 2022-07-14 tracey 
  63 a596b957 2022-07-14 tracey 	if (fsync(fd) == -1)
  64 a596b957 2022-07-14 tracey 		return got_error_from_errno("fsync");
  65 a596b957 2022-07-14 tracey 
  66 a596b957 2022-07-14 tracey 	if (f && fclose(f) == EOF)
  67 a596b957 2022-07-14 tracey 		return got_error_from_errno("fclose");
  68 a596b957 2022-07-14 tracey 
  69 a596b957 2022-07-14 tracey 	if (fd != -1 && close(fd) != -1)
  70 a596b957 2022-07-14 tracey 		return got_error_from_errno("close");
  71 a596b957 2022-07-14 tracey 
  72 a596b957 2022-07-14 tracey 	return NULL;
  73 a596b957 2022-07-14 tracey }
  74 a596b957 2022-07-14 tracey 
  75 a596b957 2022-07-14 tracey static const struct got_error *
  76 a596b957 2022-07-14 tracey got_gotweb_openfile(FILE **f, int *priv_fd, int *fd)
  77 a596b957 2022-07-14 tracey {
  78 a596b957 2022-07-14 tracey 	*fd = dup(*priv_fd);
  79 e9d3ad59 2022-08-31 stsp 	if (*fd == -1)
  80 e9d3ad59 2022-08-31 stsp 		return got_error_from_errno("dup");
  81 a596b957 2022-07-14 tracey 
  82 a596b957 2022-07-14 tracey 	*f = fdopen(*fd, "w+");
  83 a596b957 2022-07-14 tracey 	if (*f == NULL) {
  84 a596b957 2022-07-14 tracey 		close(*fd);
  85 dd84f505 2022-08-31 stsp 		return got_error(GOT_ERR_PRIVSEP_NO_FD);
  86 a596b957 2022-07-14 tracey 	}
  87 a596b957 2022-07-14 tracey 
  88 dd84f505 2022-08-31 stsp 	return NULL;
  89 a596b957 2022-07-14 tracey }
  90 a596b957 2022-07-14 tracey 
  91 a596b957 2022-07-14 tracey static const struct got_error *
  92 a596b957 2022-07-14 tracey got_gotweb_dupfd(int *priv_fd, int *fd)
  93 a596b957 2022-07-14 tracey {
  94 a596b957 2022-07-14 tracey 	*fd = dup(*priv_fd);
  95 a596b957 2022-07-14 tracey 
  96 c33c3763 2023-02-03 mark 	if (*fd == -1)
  97 c33c3763 2023-02-03 mark 		return got_error_from_errno("dup");
  98 a596b957 2022-07-14 tracey 
  99 dd84f505 2022-08-31 stsp 	return NULL;
 100 a596b957 2022-07-14 tracey }
 101 a596b957 2022-07-14 tracey 
 102 a596b957 2022-07-14 tracey const struct got_error *
 103 c127fc49 2022-11-22 op got_get_repo_owner(char **owner, struct request *c)
 104 a596b957 2022-07-14 tracey {
 105 a596b957 2022-07-14 tracey 	struct server *srv = c->srv;
 106 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 107 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
 108 a596b957 2022-07-14 tracey 	const char *gitconfig_owner;
 109 a596b957 2022-07-14 tracey 
 110 a596b957 2022-07-14 tracey 	*owner = NULL;
 111 a596b957 2022-07-14 tracey 
 112 a596b957 2022-07-14 tracey 	if (srv->show_repo_owner == 0)
 113 a596b957 2022-07-14 tracey 		return NULL;
 114 a596b957 2022-07-14 tracey 
 115 a596b957 2022-07-14 tracey 	gitconfig_owner = got_repo_get_gitconfig_owner(repo);
 116 a596b957 2022-07-14 tracey 	if (gitconfig_owner) {
 117 a596b957 2022-07-14 tracey 		*owner = strdup(gitconfig_owner);
 118 1999985f 2022-08-30 tracey 		if (*owner == NULL)
 119 1999985f 2022-08-30 tracey 			return got_error_from_errno("strdup");
 120 1999985f 2022-08-30 tracey 	} else {
 121 1999985f 2022-08-30 tracey 		*owner = strdup("");
 122 a596b957 2022-07-14 tracey 		if (*owner == NULL)
 123 a596b957 2022-07-14 tracey 			return got_error_from_errno("strdup");
 124 a596b957 2022-07-14 tracey 	}
 125 dd84f505 2022-08-31 stsp 	return NULL;
 126 a596b957 2022-07-14 tracey }
 127 a596b957 2022-07-14 tracey 
 128 a596b957 2022-07-14 tracey const struct got_error *
 129 cb93ab40 2023-01-22 op got_get_repo_age(time_t *repo_age, struct request *c, const char *refname)
 130 a596b957 2022-07-14 tracey {
 131 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 132 a596b957 2022-07-14 tracey 	struct server *srv = c->srv;
 133 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 134 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
 135 a596b957 2022-07-14 tracey 	struct got_commit_object *commit = NULL;
 136 a596b957 2022-07-14 tracey 	struct got_reflist_head refs;
 137 a596b957 2022-07-14 tracey 	struct got_reflist_entry *re;
 138 a596b957 2022-07-14 tracey 	time_t committer_time = 0, cmp_time = 0;
 139 a596b957 2022-07-14 tracey 
 140 a596b957 2022-07-14 tracey 	TAILQ_INIT(&refs);
 141 a596b957 2022-07-14 tracey 
 142 a596b957 2022-07-14 tracey 	if (srv->show_repo_age == 0)
 143 a596b957 2022-07-14 tracey 		return NULL;
 144 a596b957 2022-07-14 tracey 
 145 a596b957 2022-07-14 tracey 	error = got_ref_list(&refs, repo, "refs/heads",
 146 a596b957 2022-07-14 tracey 	    got_ref_cmp_by_name, NULL);
 147 a596b957 2022-07-14 tracey 	if (error)
 148 a596b957 2022-07-14 tracey 		goto done;
 149 a596b957 2022-07-14 tracey 
 150 a596b957 2022-07-14 tracey 	/*
 151 a596b957 2022-07-14 tracey 	 * Find the youngest branch tip in the repository, or the age of
 152 a596b957 2022-07-14 tracey 	 * the a specific branch tip if a name was provided by the caller.
 153 a596b957 2022-07-14 tracey 	 */
 154 a596b957 2022-07-14 tracey 	TAILQ_FOREACH(re, &refs, entry) {
 155 a596b957 2022-07-14 tracey 		struct got_object_id *id = NULL;
 156 a596b957 2022-07-14 tracey 
 157 a596b957 2022-07-14 tracey 		if (refname && strcmp(got_ref_get_name(re->ref), refname) != 0)
 158 a596b957 2022-07-14 tracey 			continue;
 159 a596b957 2022-07-14 tracey 
 160 a596b957 2022-07-14 tracey 		error = got_ref_resolve(&id, repo, re->ref);
 161 a596b957 2022-07-14 tracey 		if (error)
 162 a596b957 2022-07-14 tracey 			goto done;
 163 a596b957 2022-07-14 tracey 
 164 a596b957 2022-07-14 tracey 		error = got_object_open_as_commit(&commit, repo, id);
 165 a596b957 2022-07-14 tracey 		free(id);
 166 a596b957 2022-07-14 tracey 		if (error)
 167 a596b957 2022-07-14 tracey 			goto done;
 168 a596b957 2022-07-14 tracey 
 169 a596b957 2022-07-14 tracey 		committer_time =
 170 a596b957 2022-07-14 tracey 		    got_object_commit_get_committer_time(commit);
 171 a596b957 2022-07-14 tracey 		got_object_commit_close(commit);
 172 a596b957 2022-07-14 tracey 		if (cmp_time < committer_time)
 173 a596b957 2022-07-14 tracey 			cmp_time = committer_time;
 174 a596b957 2022-07-14 tracey 
 175 a596b957 2022-07-14 tracey 		if (refname)
 176 a596b957 2022-07-14 tracey 			break;
 177 a596b957 2022-07-14 tracey 	}
 178 a596b957 2022-07-14 tracey 
 179 cb93ab40 2023-01-22 op 	if (cmp_time != 0)
 180 cb93ab40 2023-01-22 op 		*repo_age = cmp_time;
 181 a596b957 2022-07-14 tracey done:
 182 a596b957 2022-07-14 tracey 	got_ref_list_free(&refs);
 183 a596b957 2022-07-14 tracey 	return error;
 184 a596b957 2022-07-14 tracey }
 185 a596b957 2022-07-14 tracey 
 186 a596b957 2022-07-14 tracey static const struct got_error *
 187 a596b957 2022-07-14 tracey got_get_repo_commit(struct request *c, struct repo_commit *repo_commit,
 188 a596b957 2022-07-14 tracey     struct got_commit_object *commit, struct got_reflist_head *refs,
 189 a596b957 2022-07-14 tracey     struct got_object_id *id)
 190 a596b957 2022-07-14 tracey {
 191 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 192 a596b957 2022-07-14 tracey 	struct got_reflist_entry *re;
 193 a596b957 2022-07-14 tracey 	struct got_object_id *id2 = NULL;
 194 a596b957 2022-07-14 tracey 	struct got_object_qid *parent_id;
 195 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 196 a596b957 2022-07-14 tracey 	struct querystring *qs = c->t->qs;
 197 a596b957 2022-07-14 tracey 	char *commit_msg = NULL, *commit_msg0;
 198 a596b957 2022-07-14 tracey 
 199 a596b957 2022-07-14 tracey 	TAILQ_FOREACH(re, refs, entry) {
 200 a596b957 2022-07-14 tracey 		char *s;
 201 a596b957 2022-07-14 tracey 		const char *name;
 202 a596b957 2022-07-14 tracey 		struct got_tag_object *tag = NULL;
 203 a596b957 2022-07-14 tracey 		struct got_object_id *ref_id;
 204 a596b957 2022-07-14 tracey 		int cmp;
 205 a596b957 2022-07-14 tracey 
 206 a596b957 2022-07-14 tracey 		if (got_ref_is_symbolic(re->ref))
 207 a596b957 2022-07-14 tracey 			continue;
 208 a596b957 2022-07-14 tracey 
 209 a596b957 2022-07-14 tracey 		name = got_ref_get_name(re->ref);
 210 a596b957 2022-07-14 tracey 		if (strncmp(name, "refs/", 5) == 0)
 211 a596b957 2022-07-14 tracey 			name += 5;
 212 a596b957 2022-07-14 tracey 		if (strncmp(name, "got/", 4) == 0)
 213 a596b957 2022-07-14 tracey 			continue;
 214 a596b957 2022-07-14 tracey 		if (strncmp(name, "heads/", 6) == 0)
 215 a596b957 2022-07-14 tracey 			name += 6;
 216 a596b957 2022-07-14 tracey 		if (strncmp(name, "remotes/", 8) == 0) {
 217 a596b957 2022-07-14 tracey 			name += 8;
 218 341fa7ca 2022-09-01 op 			if (strstr(name, "/" GOT_REF_HEAD) != NULL)
 219 a596b957 2022-07-14 tracey 				continue;
 220 a596b957 2022-07-14 tracey 		}
 221 a596b957 2022-07-14 tracey 		error = got_ref_resolve(&ref_id, t->repo, re->ref);
 222 a596b957 2022-07-14 tracey 		if (error)
 223 a596b957 2022-07-14 tracey 			return error;
 224 a596b957 2022-07-14 tracey 		if (strncmp(name, "tags/", 5) == 0) {
 225 a596b957 2022-07-14 tracey 			error = got_object_open_as_tag(&tag, t->repo, ref_id);
 226 a596b957 2022-07-14 tracey 			if (error) {
 227 a596b957 2022-07-14 tracey 				if (error->code != GOT_ERR_OBJ_TYPE) {
 228 a596b957 2022-07-14 tracey 					free(ref_id);
 229 a596b957 2022-07-14 tracey 					continue;
 230 a596b957 2022-07-14 tracey 				}
 231 a596b957 2022-07-14 tracey 				/*
 232 a596b957 2022-07-14 tracey 				 * Ref points at something other
 233 a596b957 2022-07-14 tracey 				 * than a tag.
 234 a596b957 2022-07-14 tracey 				 */
 235 a596b957 2022-07-14 tracey 				error = NULL;
 236 a596b957 2022-07-14 tracey 				tag = NULL;
 237 a596b957 2022-07-14 tracey 			}
 238 a596b957 2022-07-14 tracey 		}
 239 a596b957 2022-07-14 tracey 		cmp = got_object_id_cmp(tag ?
 240 a596b957 2022-07-14 tracey 		    got_object_tag_get_object_id(tag) : ref_id, id);
 241 a596b957 2022-07-14 tracey 		free(ref_id);
 242 a596b957 2022-07-14 tracey 		if (tag)
 243 a596b957 2022-07-14 tracey 			got_object_tag_close(tag);
 244 a596b957 2022-07-14 tracey 		if (cmp != 0)
 245 a596b957 2022-07-14 tracey 			continue;
 246 a596b957 2022-07-14 tracey 		s = repo_commit->refs_str;
 247 a596b957 2022-07-14 tracey 		if (asprintf(&repo_commit->refs_str, "%s%s%s", s ? s : "",
 248 a596b957 2022-07-14 tracey 		    s ? ", " : "", name) == -1) {
 249 a596b957 2022-07-14 tracey 			error = got_error_from_errno("asprintf");
 250 a596b957 2022-07-14 tracey 			free(s);
 251 a596b957 2022-07-14 tracey 			repo_commit->refs_str = NULL;
 252 a596b957 2022-07-14 tracey 			return error;
 253 a596b957 2022-07-14 tracey 		}
 254 a596b957 2022-07-14 tracey 		free(s);
 255 a596b957 2022-07-14 tracey 	}
 256 a596b957 2022-07-14 tracey 
 257 a596b957 2022-07-14 tracey 	error = got_object_id_str(&repo_commit->commit_id, id);
 258 a596b957 2022-07-14 tracey 	if (error)
 259 a596b957 2022-07-14 tracey 		return error;
 260 a596b957 2022-07-14 tracey 
 261 a596b957 2022-07-14 tracey 	error = got_object_id_str(&repo_commit->tree_id,
 262 a596b957 2022-07-14 tracey 	    got_object_commit_get_tree_id(commit));
 263 a596b957 2022-07-14 tracey 	if (error)
 264 a596b957 2022-07-14 tracey 		return error;
 265 a596b957 2022-07-14 tracey 
 266 a596b957 2022-07-14 tracey 	if (qs->action == DIFF) {
 267 a596b957 2022-07-14 tracey 		parent_id = STAILQ_FIRST(
 268 a596b957 2022-07-14 tracey 		    got_object_commit_get_parent_ids(commit));
 269 a596b957 2022-07-14 tracey 		if (parent_id != NULL) {
 270 a596b957 2022-07-14 tracey 			id2 = got_object_id_dup(&parent_id->id);
 271 a596b957 2022-07-14 tracey 			error = got_object_id_str(&repo_commit->parent_id, id2);
 272 a596b957 2022-07-14 tracey 			if (error)
 273 a596b957 2022-07-14 tracey 				return error;
 274 a596b957 2022-07-14 tracey 			free(id2);
 275 a596b957 2022-07-14 tracey 		} else {
 276 a596b957 2022-07-14 tracey 			repo_commit->parent_id = strdup("/dev/null");
 277 a596b957 2022-07-14 tracey 			if (repo_commit->parent_id == NULL) {
 278 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
 279 a596b957 2022-07-14 tracey 				return error;
 280 a596b957 2022-07-14 tracey 			}
 281 a596b957 2022-07-14 tracey 		}
 282 a596b957 2022-07-14 tracey 	}
 283 a596b957 2022-07-14 tracey 
 284 a596b957 2022-07-14 tracey 	repo_commit->committer_time =
 285 a596b957 2022-07-14 tracey 	    got_object_commit_get_committer_time(commit);
 286 a596b957 2022-07-14 tracey 
 287 a596b957 2022-07-14 tracey 	repo_commit->author =
 288 a596b957 2022-07-14 tracey 	    strdup(got_object_commit_get_author(commit));
 289 a596b957 2022-07-14 tracey 	if (repo_commit->author == NULL) {
 290 a596b957 2022-07-14 tracey 		error = got_error_from_errno("strdup");
 291 a596b957 2022-07-14 tracey 		return error;
 292 a596b957 2022-07-14 tracey 	}
 293 a596b957 2022-07-14 tracey 	repo_commit->committer =
 294 a596b957 2022-07-14 tracey 	    strdup(got_object_commit_get_committer(commit));
 295 a596b957 2022-07-14 tracey 	if (repo_commit->committer == NULL) {
 296 a596b957 2022-07-14 tracey 		error = got_error_from_errno("strdup");
 297 a596b957 2022-07-14 tracey 		return error;
 298 a596b957 2022-07-14 tracey 	}
 299 a596b957 2022-07-14 tracey 	error = got_object_commit_get_logmsg(&commit_msg0, commit);
 300 a596b957 2022-07-14 tracey 	if (error)
 301 a596b957 2022-07-14 tracey 		return error;
 302 a596b957 2022-07-14 tracey 
 303 a596b957 2022-07-14 tracey 	commit_msg = commit_msg0;
 304 a596b957 2022-07-14 tracey 	while (*commit_msg == '\n')
 305 a596b957 2022-07-14 tracey 		commit_msg++;
 306 a596b957 2022-07-14 tracey 
 307 a596b957 2022-07-14 tracey 	repo_commit->commit_msg = strdup(commit_msg);
 308 a596b957 2022-07-14 tracey 	if (repo_commit->commit_msg == NULL)
 309 a596b957 2022-07-14 tracey 		error = got_error_from_errno("strdup");
 310 a596b957 2022-07-14 tracey 	free(commit_msg0);
 311 a596b957 2022-07-14 tracey 	return error;
 312 a596b957 2022-07-14 tracey }
 313 a596b957 2022-07-14 tracey 
 314 a596b957 2022-07-14 tracey const struct got_error *
 315 a596b957 2022-07-14 tracey got_get_repo_commits(struct request *c, int limit)
 316 a596b957 2022-07-14 tracey {
 317 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 318 a596b957 2022-07-14 tracey 	struct got_object_id *id = NULL;
 319 a596b957 2022-07-14 tracey 	struct got_commit_graph *graph = NULL;
 320 a596b957 2022-07-14 tracey 	struct got_commit_object *commit = NULL;
 321 a596b957 2022-07-14 tracey 	struct got_reflist_head refs;
 322 bce44e0b 2022-09-02 op 	struct got_reference *ref = NULL;
 323 a596b957 2022-07-14 tracey 	struct repo_commit *repo_commit = NULL;
 324 a596b957 2022-07-14 tracey 	struct server *srv = c->srv;
 325 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 326 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
 327 a596b957 2022-07-14 tracey 	struct querystring *qs = t->qs;
 328 a596b957 2022-07-14 tracey 	struct repo_dir *repo_dir = t->repo_dir;
 329 a596b957 2022-07-14 tracey 	char *in_repo_path = NULL, *repo_path = NULL, *file_path = NULL;
 330 65c2e810 2023-01-22 op 	int chk_next = 0, chk_multi = 0;
 331 a596b957 2022-07-14 tracey 
 332 a596b957 2022-07-14 tracey 	TAILQ_INIT(&refs);
 333 a596b957 2022-07-14 tracey 
 334 a596b957 2022-07-14 tracey 	if (qs->file != NULL && strlen(qs->file) > 0)
 335 a596b957 2022-07-14 tracey 		if (asprintf(&file_path, "%s/%s", qs->folder ? qs->folder : "",
 336 a596b957 2022-07-14 tracey 		    qs->file) == -1)
 337 a596b957 2022-07-14 tracey 			return got_error_from_errno("asprintf");
 338 a596b957 2022-07-14 tracey 
 339 a596b957 2022-07-14 tracey 	if (asprintf(&repo_path, "%s/%s", srv->repos_path,
 340 89ae185c 2022-09-01 op 	    repo_dir->name) == -1) {
 341 89ae185c 2022-09-01 op 		error = got_error_from_errno("asprintf");
 342 89ae185c 2022-09-01 op 		goto done;
 343 89ae185c 2022-09-01 op 	}
 344 a596b957 2022-07-14 tracey 
 345 65c2e810 2023-01-22 op 	if (qs->commit) {
 346 65c2e810 2023-01-22 op 		error = got_repo_match_object_id_prefix(&id, qs->commit,
 347 65c2e810 2023-01-22 op 		    GOT_OBJ_TYPE_COMMIT, repo);
 348 65c2e810 2023-01-22 op 		if (error)
 349 65c2e810 2023-01-22 op 			goto done;
 350 65c2e810 2023-01-22 op 	} else {
 351 a596b957 2022-07-14 tracey 		error = got_ref_open(&ref, repo, qs->headref, 0);
 352 a596b957 2022-07-14 tracey 		if (error)
 353 a596b957 2022-07-14 tracey 			goto done;
 354 a596b957 2022-07-14 tracey 
 355 a596b957 2022-07-14 tracey 		error = got_ref_resolve(&id, repo, ref);
 356 a596b957 2022-07-14 tracey 		if (error)
 357 a596b957 2022-07-14 tracey 			goto done;
 358 a596b957 2022-07-14 tracey 	}
 359 a596b957 2022-07-14 tracey 
 360 a596b957 2022-07-14 tracey 	error = got_repo_map_path(&in_repo_path, repo, repo_path);
 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_list(&refs, repo, NULL, got_ref_cmp_by_name, NULL);
 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 	if (qs->file != NULL && strlen(qs->file) > 0) {
 369 a596b957 2022-07-14 tracey 		error = got_commit_graph_open(&graph, file_path, 0);
 370 a596b957 2022-07-14 tracey 		if (error)
 371 a596b957 2022-07-14 tracey 			goto done;
 372 a596b957 2022-07-14 tracey 	} else {
 373 a596b957 2022-07-14 tracey 		error = got_commit_graph_open(&graph, in_repo_path, 0);
 374 a596b957 2022-07-14 tracey 		if (error)
 375 a596b957 2022-07-14 tracey 			goto done;
 376 a596b957 2022-07-14 tracey 	}
 377 a596b957 2022-07-14 tracey 
 378 a596b957 2022-07-14 tracey 	error = got_commit_graph_iter_start(graph, id, repo, NULL, NULL);
 379 a596b957 2022-07-14 tracey 	if (error)
 380 a596b957 2022-07-14 tracey 		goto done;
 381 a596b957 2022-07-14 tracey 
 382 a596b957 2022-07-14 tracey 	for (;;) {
 383 d9787ed8 2022-09-10 op 		struct got_object_id next_id;
 384 6227cf0e 2022-09-05 op 
 385 6227cf0e 2022-09-05 op 		error = got_commit_graph_iter_next(&next_id, graph, repo, NULL,
 386 a596b957 2022-07-14 tracey 		    NULL);
 387 a596b957 2022-07-14 tracey 		if (error) {
 388 a596b957 2022-07-14 tracey 			if (error->code == GOT_ERR_ITER_COMPLETED)
 389 a596b957 2022-07-14 tracey 				error = NULL;
 390 a596b957 2022-07-14 tracey 			goto done;
 391 6227cf0e 2022-09-05 op 		}
 392 a596b957 2022-07-14 tracey 
 393 d9787ed8 2022-09-10 op 		error = got_object_open_as_commit(&commit, repo, &next_id);
 394 a596b957 2022-07-14 tracey 		if (error)
 395 a596b957 2022-07-14 tracey 			goto done;
 396 a596b957 2022-07-14 tracey 
 397 4a962942 2022-09-02 op 		error = got_init_repo_commit(&repo_commit);
 398 4a962942 2022-09-02 op 		if (error)
 399 4a962942 2022-09-02 op 			goto done;
 400 4a962942 2022-09-02 op 
 401 a596b957 2022-07-14 tracey 		error = got_get_repo_commit(c, repo_commit, commit,
 402 d9787ed8 2022-09-10 op 		    &refs, &next_id);
 403 4f0a80ed 2022-09-07 op 		if (error) {
 404 4f0a80ed 2022-09-07 op 			gotweb_free_repo_commit(repo_commit);
 405 a596b957 2022-07-14 tracey 			goto done;
 406 4f0a80ed 2022-09-07 op 		}
 407 4f0a80ed 2022-09-07 op 
 408 4f0a80ed 2022-09-07 op 		TAILQ_INSERT_TAIL(&t->repo_commits, repo_commit, entry);
 409 4f0a80ed 2022-09-07 op 
 410 65c2e810 2023-01-22 op 		if (!chk_multi || limit != 1 ||
 411 65c2e810 2023-01-22 op 		    srv->max_commits_display == 1) {
 412 a596b957 2022-07-14 tracey 			chk_multi = 1;
 413 a596b957 2022-07-14 tracey 
 414 a596b957 2022-07-14 tracey 			/*
 415 a596b957 2022-07-14 tracey 			 * check for one more commit before breaking,
 416 a596b957 2022-07-14 tracey 			 * so we know whether to navigate through briefs
 417 a596b957 2022-07-14 tracey 			 * commits and summary
 418 a596b957 2022-07-14 tracey 			 */
 419 a596b957 2022-07-14 tracey 			if (chk_next && (qs->action == BRIEFS ||
 420 a596b957 2022-07-14 tracey 			    qs->action == COMMITS || qs->action == SUMMARY)) {
 421 e3662697 2023-02-03 op 				t->more_id = strdup(repo_commit->commit_id);
 422 e3662697 2023-02-03 op 				if (t->more_id == NULL) {
 423 a596b957 2022-07-14 tracey 					error = got_error_from_errno("strdup");
 424 a596b957 2022-07-14 tracey 					goto done;
 425 a596b957 2022-07-14 tracey 				}
 426 2aea6fc2 2023-01-31 op 				got_object_commit_close(commit);
 427 2aea6fc2 2023-01-31 op 				commit = NULL;
 428 4a962942 2022-09-02 op 				TAILQ_REMOVE(&t->repo_commits, repo_commit,
 429 a596b957 2022-07-14 tracey 				    entry);
 430 4a962942 2022-09-02 op 				gotweb_free_repo_commit(repo_commit);
 431 a596b957 2022-07-14 tracey 				goto done;
 432 a596b957 2022-07-14 tracey 			}
 433 a596b957 2022-07-14 tracey 		}
 434 a596b957 2022-07-14 tracey 		if (error || (limit && --limit == 0)) {
 435 65c2e810 2023-01-22 op 			if (qs->file != NULL && *qs->file != '\0')
 436 a596b957 2022-07-14 tracey 				if (chk_multi == 0)
 437 a596b957 2022-07-14 tracey 					break;
 438 a596b957 2022-07-14 tracey 			chk_next = 1;
 439 a596b957 2022-07-14 tracey 		}
 440 a596b957 2022-07-14 tracey 		if (commit) {
 441 a596b957 2022-07-14 tracey 			got_object_commit_close(commit);
 442 a596b957 2022-07-14 tracey 			commit = NULL;
 443 a596b957 2022-07-14 tracey 		}
 444 a596b957 2022-07-14 tracey 	}
 445 a596b957 2022-07-14 tracey done:
 446 bce44e0b 2022-09-02 op 	if (ref)
 447 bce44e0b 2022-09-02 op 		got_ref_close(ref);
 448 a596b957 2022-07-14 tracey 	if (commit)
 449 a596b957 2022-07-14 tracey 		got_object_commit_close(commit);
 450 a596b957 2022-07-14 tracey 	if (graph)
 451 a596b957 2022-07-14 tracey 		got_commit_graph_close(graph);
 452 a596b957 2022-07-14 tracey 	got_ref_list_free(&refs);
 453 dfa5768d 2022-09-02 op 	free(in_repo_path);
 454 a596b957 2022-07-14 tracey 	free(file_path);
 455 a596b957 2022-07-14 tracey 	free(repo_path);
 456 a596b957 2022-07-14 tracey 	free(id);
 457 a596b957 2022-07-14 tracey 	return error;
 458 a596b957 2022-07-14 tracey }
 459 a596b957 2022-07-14 tracey 
 460 a596b957 2022-07-14 tracey const struct got_error *
 461 a596b957 2022-07-14 tracey got_get_repo_tags(struct request *c, int limit)
 462 a596b957 2022-07-14 tracey {
 463 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 464 a596b957 2022-07-14 tracey 	struct got_object_id *id = NULL;
 465 a596b957 2022-07-14 tracey 	struct got_commit_object *commit = NULL;
 466 a596b957 2022-07-14 tracey 	struct got_reflist_head refs;
 467 a596b957 2022-07-14 tracey 	struct got_reference *ref;
 468 a596b957 2022-07-14 tracey 	struct got_reflist_entry *re;
 469 a596b957 2022-07-14 tracey 	struct server *srv = c->srv;
 470 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 471 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
 472 a596b957 2022-07-14 tracey 	struct querystring *qs = t->qs;
 473 a596b957 2022-07-14 tracey 	struct repo_dir *repo_dir = t->repo_dir;
 474 a596b957 2022-07-14 tracey 	struct got_tag_object *tag = NULL;
 475 a596b957 2022-07-14 tracey 	struct repo_tag *rt = NULL, *trt = NULL;
 476 a596b957 2022-07-14 tracey 	char *in_repo_path = NULL, *repo_path = NULL, *id_str = NULL;
 477 625e5896 2022-09-01 op 	char *tag_commit = NULL, *tag_commit0 = NULL;
 478 a596b957 2022-07-14 tracey 	char *commit_msg = NULL, *commit_msg0 = NULL;
 479 a596b957 2022-07-14 tracey 	int chk_next = 0, chk_multi = 1, commit_found = 0, c_cnt = 0;
 480 a596b957 2022-07-14 tracey 
 481 a596b957 2022-07-14 tracey 	TAILQ_INIT(&refs);
 482 a596b957 2022-07-14 tracey 
 483 a596b957 2022-07-14 tracey 	if (asprintf(&repo_path, "%s/%s", srv->repos_path,
 484 a596b957 2022-07-14 tracey 	    repo_dir->name) == -1)
 485 a596b957 2022-07-14 tracey 		return got_error_from_errno("asprintf");
 486 a596b957 2022-07-14 tracey 
 487 1abb18e1 2022-12-20 op 	if (qs->commit == NULL && (qs->action == TAGS || qs->action == RSS)) {
 488 a596b957 2022-07-14 tracey 		error = got_ref_open(&ref, repo, qs->headref, 0);
 489 a596b957 2022-07-14 tracey 		if (error)
 490 a596b957 2022-07-14 tracey 			goto err;
 491 a596b957 2022-07-14 tracey 		error = got_ref_resolve(&id, repo, ref);
 492 a596b957 2022-07-14 tracey 		got_ref_close(ref);
 493 a596b957 2022-07-14 tracey 		if (error)
 494 a596b957 2022-07-14 tracey 			goto err;
 495 a596b957 2022-07-14 tracey 	} else if (qs->commit == NULL && qs->action == TAG) {
 496 a596b957 2022-07-14 tracey 		error = got_error_msg(GOT_ERR_EOF, "commit id missing");
 497 a596b957 2022-07-14 tracey 		goto err;
 498 a596b957 2022-07-14 tracey 	} else {
 499 a596b957 2022-07-14 tracey 		error = got_repo_match_object_id_prefix(&id, qs->commit,
 500 a596b957 2022-07-14 tracey 		    GOT_OBJ_TYPE_COMMIT, repo);
 501 a596b957 2022-07-14 tracey 		if (error)
 502 a596b957 2022-07-14 tracey 			goto err;
 503 a596b957 2022-07-14 tracey 	}
 504 a596b957 2022-07-14 tracey 
 505 a596b957 2022-07-14 tracey 	if (qs->action != SUMMARY && qs->action != TAGS) {
 506 a596b957 2022-07-14 tracey 		error = got_object_open_as_commit(&commit, repo, id);
 507 a596b957 2022-07-14 tracey 		if (error)
 508 a596b957 2022-07-14 tracey 			goto err;
 509 a596b957 2022-07-14 tracey 		error = got_object_commit_get_logmsg(&commit_msg0, commit);
 510 a596b957 2022-07-14 tracey 		if (error)
 511 a596b957 2022-07-14 tracey 			goto err;
 512 a596b957 2022-07-14 tracey 		if (commit) {
 513 a596b957 2022-07-14 tracey 			got_object_commit_close(commit);
 514 a596b957 2022-07-14 tracey 			commit = NULL;
 515 a596b957 2022-07-14 tracey 		}
 516 a596b957 2022-07-14 tracey 	}
 517 a596b957 2022-07-14 tracey 
 518 a596b957 2022-07-14 tracey 	error = got_repo_map_path(&in_repo_path, repo, repo_path);
 519 a596b957 2022-07-14 tracey 	if (error)
 520 a596b957 2022-07-14 tracey 		goto err;
 521 a596b957 2022-07-14 tracey 
 522 a596b957 2022-07-14 tracey 	error = got_ref_list(&refs, repo, "refs/tags", got_ref_cmp_tags,
 523 a596b957 2022-07-14 tracey 	   repo);
 524 a596b957 2022-07-14 tracey 	if (error)
 525 a596b957 2022-07-14 tracey 		goto err;
 526 a596b957 2022-07-14 tracey 
 527 a596b957 2022-07-14 tracey 	if (limit == 1)
 528 a596b957 2022-07-14 tracey 		chk_multi = 0;
 529 a596b957 2022-07-14 tracey 
 530 a596b957 2022-07-14 tracey 	/*
 531 a596b957 2022-07-14 tracey 	 * XXX: again, see previous message about caching
 532 a596b957 2022-07-14 tracey 	 */
 533 a596b957 2022-07-14 tracey 
 534 a596b957 2022-07-14 tracey 	TAILQ_FOREACH(re, &refs, entry) {
 535 a596b957 2022-07-14 tracey 		struct repo_tag *new_repo_tag = NULL;
 536 a596b957 2022-07-14 tracey 		error = got_init_repo_tag(&new_repo_tag);
 537 a596b957 2022-07-14 tracey 		if (error)
 538 a596b957 2022-07-14 tracey 			goto err;
 539 a596b957 2022-07-14 tracey 
 540 a596b957 2022-07-14 tracey 		TAILQ_INSERT_TAIL(&t->repo_tags, new_repo_tag, entry);
 541 a596b957 2022-07-14 tracey 
 542 a596b957 2022-07-14 tracey 		new_repo_tag->tag_name = strdup(got_ref_get_name(re->ref));
 543 a596b957 2022-07-14 tracey 		if (new_repo_tag->tag_name == NULL) {
 544 a596b957 2022-07-14 tracey 			error = got_error_from_errno("strdup");
 545 a596b957 2022-07-14 tracey 			goto err;
 546 a596b957 2022-07-14 tracey 		}
 547 a596b957 2022-07-14 tracey 
 548 b163541d 2022-09-02 op 		free(id);
 549 b163541d 2022-09-02 op 		id = NULL;
 550 b163541d 2022-09-02 op 
 551 b163541d 2022-09-02 op 		free(id_str);
 552 b163541d 2022-09-02 op 		id_str = NULL;
 553 b163541d 2022-09-02 op 
 554 a596b957 2022-07-14 tracey 		error = got_ref_resolve(&id, repo, re->ref);
 555 a596b957 2022-07-14 tracey 		if (error)
 556 a596b957 2022-07-14 tracey 			goto done;
 557 a596b957 2022-07-14 tracey 
 558 bc95141c 2022-09-02 op 		if (tag)
 559 bc95141c 2022-09-02 op 			got_object_tag_close(tag);
 560 a596b957 2022-07-14 tracey 		error = got_object_open_as_tag(&tag, repo, id);
 561 a596b957 2022-07-14 tracey 		if (error) {
 562 b163541d 2022-09-02 op 			if (error->code != GOT_ERR_OBJ_TYPE)
 563 a596b957 2022-07-14 tracey 				goto done;
 564 a596b957 2022-07-14 tracey 			/* "lightweight" tag */
 565 a596b957 2022-07-14 tracey 			error = got_object_open_as_commit(&commit, repo, id);
 566 b163541d 2022-09-02 op 			if (error)
 567 a596b957 2022-07-14 tracey 				goto done;
 568 a596b957 2022-07-14 tracey 			new_repo_tag->tagger =
 569 a596b957 2022-07-14 tracey 			    strdup(got_object_commit_get_committer(commit));
 570 a596b957 2022-07-14 tracey 			if (new_repo_tag->tagger == NULL) {
 571 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
 572 a596b957 2022-07-14 tracey 				goto err;
 573 a596b957 2022-07-14 tracey 			}
 574 a596b957 2022-07-14 tracey 			new_repo_tag->tagger_time =
 575 a596b957 2022-07-14 tracey 			    got_object_commit_get_committer_time(commit);
 576 a596b957 2022-07-14 tracey 			error = got_object_id_str(&id_str, id);
 577 a596b957 2022-07-14 tracey 			if (error)
 578 a596b957 2022-07-14 tracey 				goto err;
 579 a596b957 2022-07-14 tracey 		} else {
 580 a596b957 2022-07-14 tracey 			new_repo_tag->tagger =
 581 a596b957 2022-07-14 tracey 			    strdup(got_object_tag_get_tagger(tag));
 582 a596b957 2022-07-14 tracey 			if (new_repo_tag->tagger == NULL) {
 583 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
 584 a596b957 2022-07-14 tracey 				goto err;
 585 a596b957 2022-07-14 tracey 			}
 586 a596b957 2022-07-14 tracey 			new_repo_tag->tagger_time =
 587 a596b957 2022-07-14 tracey 			    got_object_tag_get_tagger_time(tag);
 588 a596b957 2022-07-14 tracey 			error = got_object_id_str(&id_str,
 589 a596b957 2022-07-14 tracey 			    got_object_tag_get_object_id(tag));
 590 a596b957 2022-07-14 tracey 			if (error)
 591 a596b957 2022-07-14 tracey 				goto err;
 592 a596b957 2022-07-14 tracey 		}
 593 a596b957 2022-07-14 tracey 
 594 a596b957 2022-07-14 tracey 		new_repo_tag->commit_id = strdup(id_str);
 595 a596b957 2022-07-14 tracey 		if (new_repo_tag->commit_id == NULL)
 596 a596b957 2022-07-14 tracey 			goto err;
 597 a596b957 2022-07-14 tracey 
 598 a596b957 2022-07-14 tracey 		if (commit_found == 0 && qs->commit != NULL &&
 599 a596b957 2022-07-14 tracey 		    strncmp(id_str, qs->commit, strlen(id_str)) != 0)
 600 a596b957 2022-07-14 tracey 			continue;
 601 a596b957 2022-07-14 tracey 		else
 602 a596b957 2022-07-14 tracey 			commit_found = 1;
 603 a596b957 2022-07-14 tracey 
 604 a596b957 2022-07-14 tracey 		t->tag_count++;
 605 a596b957 2022-07-14 tracey 
 606 a596b957 2022-07-14 tracey 		/*
 607 a596b957 2022-07-14 tracey 		 * check for one more commit before breaking,
 608 a596b957 2022-07-14 tracey 		 * so we know whether to navigate through briefs
 609 a596b957 2022-07-14 tracey 		 * commits and summary
 610 a596b957 2022-07-14 tracey 		 */
 611 a596b957 2022-07-14 tracey 		if (chk_next) {
 612 a596b957 2022-07-14 tracey 			t->next_id = strdup(new_repo_tag->commit_id);
 613 a596b957 2022-07-14 tracey 			if (t->next_id == NULL) {
 614 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
 615 a596b957 2022-07-14 tracey 				goto err;
 616 a596b957 2022-07-14 tracey 			}
 617 a596b957 2022-07-14 tracey 			if (commit) {
 618 a596b957 2022-07-14 tracey 				got_object_commit_close(commit);
 619 a596b957 2022-07-14 tracey 				commit = NULL;
 620 a596b957 2022-07-14 tracey 			}
 621 a596b957 2022-07-14 tracey 			TAILQ_REMOVE(&t->repo_tags, new_repo_tag, entry);
 622 a596b957 2022-07-14 tracey 			gotweb_free_repo_tag(new_repo_tag);
 623 a596b957 2022-07-14 tracey 			goto done;
 624 a596b957 2022-07-14 tracey 		}
 625 a596b957 2022-07-14 tracey 
 626 a596b957 2022-07-14 tracey 		if (commit) {
 627 625e5896 2022-09-01 op 			error = got_object_commit_get_logmsg(&tag_commit0,
 628 625e5896 2022-09-01 op 			    commit);
 629 a596b957 2022-07-14 tracey 			if (error)
 630 625e5896 2022-09-01 op 				goto err;
 631 a596b957 2022-07-14 tracey 			got_object_commit_close(commit);
 632 a596b957 2022-07-14 tracey 			commit = NULL;
 633 a596b957 2022-07-14 tracey 		} else {
 634 625e5896 2022-09-01 op 			tag_commit0 = strdup(got_object_tag_get_message(tag));
 635 625e5896 2022-09-01 op 			if (tag_commit0 == NULL) {
 636 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
 637 625e5896 2022-09-01 op 				goto err;
 638 a596b957 2022-07-14 tracey 			}
 639 a596b957 2022-07-14 tracey 		}
 640 a596b957 2022-07-14 tracey 
 641 625e5896 2022-09-01 op 		tag_commit = tag_commit0;
 642 625e5896 2022-09-01 op 		while (*tag_commit == '\n')
 643 625e5896 2022-09-01 op 			tag_commit++;
 644 625e5896 2022-09-01 op 		new_repo_tag->tag_commit = strdup(tag_commit);
 645 625e5896 2022-09-01 op 		if (new_repo_tag->tag_commit == NULL) {
 646 625e5896 2022-09-01 op 			error = got_error_from_errno("strdup");
 647 625e5896 2022-09-01 op 			free(tag_commit0);
 648 625e5896 2022-09-01 op 			goto err;
 649 625e5896 2022-09-01 op 		}
 650 625e5896 2022-09-01 op 		free(tag_commit0);
 651 a596b957 2022-07-14 tracey 
 652 a596b957 2022-07-14 tracey 		if (qs->action != SUMMARY && qs->action != TAGS) {
 653 a596b957 2022-07-14 tracey 			commit_msg = commit_msg0;
 654 a596b957 2022-07-14 tracey 			while (*commit_msg == '\n')
 655 a596b957 2022-07-14 tracey 				commit_msg++;
 656 a596b957 2022-07-14 tracey 
 657 a596b957 2022-07-14 tracey 			new_repo_tag->commit_msg = strdup(commit_msg);
 658 a596b957 2022-07-14 tracey 			if (new_repo_tag->commit_msg == NULL) {
 659 a596b957 2022-07-14 tracey 				error = got_error_from_errno("strdup");
 660 a596b957 2022-07-14 tracey 				goto err;
 661 a596b957 2022-07-14 tracey 			}
 662 a596b957 2022-07-14 tracey 		}
 663 a596b957 2022-07-14 tracey 
 664 a596b957 2022-07-14 tracey 		if (limit && --limit == 0) {
 665 a596b957 2022-07-14 tracey 			if (chk_multi == 0)
 666 a596b957 2022-07-14 tracey 				break;
 667 a596b957 2022-07-14 tracey 			chk_next = 1;
 668 a596b957 2022-07-14 tracey 		}
 669 a596b957 2022-07-14 tracey 	}
 670 a596b957 2022-07-14 tracey 
 671 a596b957 2022-07-14 tracey done:
 672 a596b957 2022-07-14 tracey 	/*
 673 a596b957 2022-07-14 tracey 	 * we have tailq populated, so find previous commit id
 674 a596b957 2022-07-14 tracey 	 * for navigation through briefs and commits
 675 a596b957 2022-07-14 tracey 	 */
 676 a596b957 2022-07-14 tracey 	if (t->tag_count == 0) {
 677 a596b957 2022-07-14 tracey 		TAILQ_FOREACH_SAFE(rt, &t->repo_tags, entry, trt) {
 678 a596b957 2022-07-14 tracey 			TAILQ_REMOVE(&t->repo_tags, rt, entry);
 679 a596b957 2022-07-14 tracey 			gotweb_free_repo_tag(rt);
 680 a596b957 2022-07-14 tracey 		}
 681 a596b957 2022-07-14 tracey 	}
 682 a596b957 2022-07-14 tracey 	if (t->tag_count > 0 && t->prev_id == NULL && qs->commit != NULL) {
 683 a596b957 2022-07-14 tracey 		commit_found = 0;
 684 a596b957 2022-07-14 tracey 		TAILQ_FOREACH_REVERSE(rt, &t->repo_tags, repo_tags_head,
 685 a596b957 2022-07-14 tracey 		    entry) {
 686 a596b957 2022-07-14 tracey 			if (commit_found == 0 && rt->commit_id != NULL &&
 687 a596b957 2022-07-14 tracey 			    strcmp(qs->commit, rt->commit_id) != 0) {
 688 a596b957 2022-07-14 tracey 				continue;
 689 a596b957 2022-07-14 tracey 			} else
 690 a596b957 2022-07-14 tracey 				commit_found = 1;
 691 a596b957 2022-07-14 tracey 			if (c_cnt == srv->max_commits_display ||
 692 a596b957 2022-07-14 tracey 			    rt == TAILQ_FIRST(&t->repo_tags)) {
 693 a596b957 2022-07-14 tracey 				t->prev_id = strdup(rt->commit_id);
 694 a596b957 2022-07-14 tracey 				if (t->prev_id == NULL)
 695 a596b957 2022-07-14 tracey 					error = got_error_from_errno("strdup");
 696 a596b957 2022-07-14 tracey 				break;
 697 a596b957 2022-07-14 tracey 			}
 698 a596b957 2022-07-14 tracey 			c_cnt++;
 699 a596b957 2022-07-14 tracey 		}
 700 a596b957 2022-07-14 tracey 	}
 701 a596b957 2022-07-14 tracey err:
 702 a596b957 2022-07-14 tracey 	if (commit)
 703 a596b957 2022-07-14 tracey 		got_object_commit_close(commit);
 704 b163541d 2022-09-02 op 	if (tag)
 705 b163541d 2022-09-02 op 		got_object_tag_close(tag);
 706 a596b957 2022-07-14 tracey 	got_ref_list_free(&refs);
 707 5a57034b 2022-09-02 op 	free(commit_msg0);
 708 b163541d 2022-09-02 op 	free(in_repo_path);
 709 a596b957 2022-07-14 tracey 	free(repo_path);
 710 a596b957 2022-07-14 tracey 	free(id);
 711 b163541d 2022-09-02 op 	free(id_str);
 712 a596b957 2022-07-14 tracey 	return error;
 713 a596b957 2022-07-14 tracey }
 714 a596b957 2022-07-14 tracey 
 715 43d421de 2023-01-05 op int
 716 43d421de 2023-01-05 op got_output_repo_tree(struct request *c,
 717 43d421de 2023-01-05 op     int (*cb)(struct template *, struct got_tree_entry *))
 718 a596b957 2022-07-14 tracey {
 719 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 720 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 721 a596b957 2022-07-14 tracey 	struct got_commit_object *commit = NULL;
 722 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
 723 a596b957 2022-07-14 tracey 	struct querystring *qs = t->qs;
 724 a596b957 2022-07-14 tracey 	struct repo_commit *rc = NULL;
 725 a596b957 2022-07-14 tracey 	struct got_object_id *tree_id = NULL, *commit_id = NULL;
 726 a596b957 2022-07-14 tracey 	struct got_reflist_head refs;
 727 a596b957 2022-07-14 tracey 	struct got_tree_object *tree = NULL;
 728 43d421de 2023-01-05 op 	struct got_tree_entry *te;
 729 a596b957 2022-07-14 tracey 	struct repo_dir *repo_dir = t->repo_dir;
 730 e5e662e4 2022-09-02 op 	char *escaped_name = NULL, *path = NULL;
 731 43d421de 2023-01-05 op 	int nentries, i;
 732 a596b957 2022-07-14 tracey 
 733 a596b957 2022-07-14 tracey 	TAILQ_INIT(&refs);
 734 a596b957 2022-07-14 tracey 
 735 a596b957 2022-07-14 tracey 	rc = TAILQ_FIRST(&t->repo_commits);
 736 a596b957 2022-07-14 tracey 
 737 a596b957 2022-07-14 tracey 	if (qs->folder != NULL) {
 738 a596b957 2022-07-14 tracey 		path = strdup(qs->folder);
 739 a596b957 2022-07-14 tracey 		if (path == NULL) {
 740 a596b957 2022-07-14 tracey 			error = got_error_from_errno("strdup");
 741 a596b957 2022-07-14 tracey 			goto done;
 742 a596b957 2022-07-14 tracey 		}
 743 a596b957 2022-07-14 tracey 	} else {
 744 6977f45a 2022-09-02 op 		error = got_repo_map_path(&path, repo, repo_dir->path);
 745 a596b957 2022-07-14 tracey 		if (error)
 746 a596b957 2022-07-14 tracey 			goto done;
 747 a596b957 2022-07-14 tracey 	}
 748 a596b957 2022-07-14 tracey 
 749 a596b957 2022-07-14 tracey 	error = got_repo_match_object_id(&commit_id, NULL, rc->commit_id,
 750 a596b957 2022-07-14 tracey 	    GOT_OBJ_TYPE_COMMIT, &refs, repo);
 751 a596b957 2022-07-14 tracey 	if (error)
 752 a596b957 2022-07-14 tracey 		goto done;
 753 a596b957 2022-07-14 tracey 
 754 a596b957 2022-07-14 tracey 	error = got_object_open_as_commit(&commit, repo, commit_id);
 755 a596b957 2022-07-14 tracey 	if (error)
 756 a596b957 2022-07-14 tracey 		goto done;
 757 a596b957 2022-07-14 tracey 
 758 a596b957 2022-07-14 tracey 	error = got_object_id_by_path(&tree_id, repo, commit, path);
 759 a596b957 2022-07-14 tracey 	if (error)
 760 a596b957 2022-07-14 tracey 		goto done;
 761 a596b957 2022-07-14 tracey 
 762 a596b957 2022-07-14 tracey 	error = got_object_open_as_tree(&tree, repo, tree_id);
 763 a596b957 2022-07-14 tracey 	if (error)
 764 a596b957 2022-07-14 tracey 		goto done;
 765 a596b957 2022-07-14 tracey 
 766 a596b957 2022-07-14 tracey 	nentries = got_object_tree_get_nentries(tree);
 767 a596b957 2022-07-14 tracey 
 768 a596b957 2022-07-14 tracey 	for (i = 0; i < nentries; i++) {
 769 a596b957 2022-07-14 tracey 		te = got_object_tree_get_entry(tree, i);
 770 01392bd6 2023-02-10 tracey 		if (cb(c->tp, te) == -1) {
 771 01392bd6 2023-02-10 tracey 			error = got_error(GOT_ERR_CANCELLED);
 772 43d421de 2023-01-05 op 			break;
 773 01392bd6 2023-02-10 tracey 		}
 774 a596b957 2022-07-14 tracey 	}
 775 a596b957 2022-07-14 tracey done:
 776 b7efc9b3 2022-08-25 op 	free(escaped_name);
 777 a596b957 2022-07-14 tracey 	free(path);
 778 a596b957 2022-07-14 tracey 	got_ref_list_free(&refs);
 779 a596b957 2022-07-14 tracey 	if (commit)
 780 a596b957 2022-07-14 tracey 		got_object_commit_close(commit);
 781 58354f54 2022-09-06 op 	if (tree)
 782 58354f54 2022-09-06 op 		got_object_tree_close(tree);
 783 a596b957 2022-07-14 tracey 	free(commit_id);
 784 a596b957 2022-07-14 tracey 	free(tree_id);
 785 43d421de 2023-01-05 op 	if (error) {
 786 43d421de 2023-01-05 op 		log_warnx("%s: %s", __func__, error->msg);
 787 43d421de 2023-01-05 op 		return -1;
 788 43d421de 2023-01-05 op 	}
 789 43d421de 2023-01-05 op 	return 0;
 790 a596b957 2022-07-14 tracey }
 791 a596b957 2022-07-14 tracey 
 792 a596b957 2022-07-14 tracey const struct got_error *
 793 298f95fb 2023-01-05 op got_open_blob_for_output(struct got_blob_object **blob, int *fd,
 794 298f95fb 2023-01-05 op     int *binary, struct request *c)
 795 a596b957 2022-07-14 tracey {
 796 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
 797 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
 798 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
 799 a596b957 2022-07-14 tracey 	struct querystring *qs = c->t->qs;
 800 a596b957 2022-07-14 tracey 	struct got_commit_object *commit = NULL;
 801 a596b957 2022-07-14 tracey 	struct got_object_id *commit_id = NULL;
 802 a596b957 2022-07-14 tracey 	struct got_reflist_head refs;
 803 a596b957 2022-07-14 tracey 	char *path = NULL, *in_repo_path = NULL;
 804 298f95fb 2023-01-05 op 	int obj_type;
 805 a596b957 2022-07-14 tracey 
 806 a596b957 2022-07-14 tracey 	TAILQ_INIT(&refs);
 807 a596b957 2022-07-14 tracey 
 808 298f95fb 2023-01-05 op 	*blob = NULL;
 809 298f95fb 2023-01-05 op 	*fd = -1;
 810 298f95fb 2023-01-05 op 	*binary = 0;
 811 298f95fb 2023-01-05 op 
 812 a596b957 2022-07-14 tracey 	if (asprintf(&path, "%s%s%s", qs->folder ? qs->folder : "",
 813 a596b957 2022-07-14 tracey 	    qs->folder ? "/" : "", qs->file) == -1) {
 814 a596b957 2022-07-14 tracey 		error = got_error_from_errno("asprintf");
 815 a596b957 2022-07-14 tracey 		goto done;
 816 a596b957 2022-07-14 tracey 	}
 817 a596b957 2022-07-14 tracey 
 818 a596b957 2022-07-14 tracey 	error = got_repo_map_path(&in_repo_path, repo, path);
 819 a596b957 2022-07-14 tracey 	if (error)
 820 a596b957 2022-07-14 tracey 		goto done;
 821 a596b957 2022-07-14 tracey 
 822 a596b957 2022-07-14 tracey 	error = got_repo_match_object_id(&commit_id, NULL, qs->commit,
 823 a596b957 2022-07-14 tracey 	    GOT_OBJ_TYPE_COMMIT, &refs, repo);
 824 a596b957 2022-07-14 tracey 	if (error)
 825 a596b957 2022-07-14 tracey 		goto done;
 826 a596b957 2022-07-14 tracey 
 827 a596b957 2022-07-14 tracey 	error = got_object_open_as_commit(&commit, repo, commit_id);
 828 a596b957 2022-07-14 tracey 	if (error)
 829 a596b957 2022-07-14 tracey 		goto done;
 830 a596b957 2022-07-14 tracey 
 831 a596b957 2022-07-14 tracey 	error = got_object_id_by_path(&commit_id, repo, commit, in_repo_path);
 832 a596b957 2022-07-14 tracey 	if (error)
 833 a596b957 2022-07-14 tracey 		goto done;
 834 a596b957 2022-07-14 tracey 
 835 a596b957 2022-07-14 tracey 	if (commit_id == NULL) {
 836 a596b957 2022-07-14 tracey 		error = got_error(GOT_ERR_NO_OBJ);
 837 a596b957 2022-07-14 tracey 		goto done;
 838 a596b957 2022-07-14 tracey 	}
 839 a596b957 2022-07-14 tracey 
 840 a596b957 2022-07-14 tracey 	error = got_object_get_type(&obj_type, repo, commit_id);
 841 a596b957 2022-07-14 tracey 	if (error)
 842 a596b957 2022-07-14 tracey 		goto done;
 843 a596b957 2022-07-14 tracey 
 844 a596b957 2022-07-14 tracey 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
 845 a596b957 2022-07-14 tracey 		error = got_error(GOT_ERR_OBJ_TYPE);
 846 a596b957 2022-07-14 tracey 		goto done;
 847 a596b957 2022-07-14 tracey 	}
 848 a596b957 2022-07-14 tracey 
 849 298f95fb 2023-01-05 op 	error = got_gotweb_dupfd(&c->priv_fd[BLOB_FD_1], fd);
 850 a596b957 2022-07-14 tracey 	if (error)
 851 a596b957 2022-07-14 tracey 		goto done;
 852 a596b957 2022-07-14 tracey 
 853 298f95fb 2023-01-05 op 	error = got_object_open_as_blob(blob, repo, commit_id, BUF, *fd);
 854 a596b957 2022-07-14 tracey 	if (error)
 855 a596b957 2022-07-14 tracey 		goto done;
 856 0b287d3f 2023-01-04 op 
 857 298f95fb 2023-01-05 op 	error = got_object_blob_is_binary(binary, *blob);
 858 0b287d3f 2023-01-04 op 	if (error)
 859 0b287d3f 2023-01-04 op 		goto done;
 860 0b287d3f 2023-01-04 op 
 861 298f95fb 2023-01-05 op  done:
 862 298f95fb 2023-01-05 op 	if (commit)
 863 298f95fb 2023-01-05 op 		got_object_commit_close(commit);
 864 298f95fb 2023-01-05 op 
 865 298f95fb 2023-01-05 op 	if (error) {
 866 298f95fb 2023-01-05 op 		if (*fd != -1)
 867 298f95fb 2023-01-05 op 			close(*fd);
 868 298f95fb 2023-01-05 op 		if (*blob)
 869 298f95fb 2023-01-05 op 			got_object_blob_close(*blob);
 870 298f95fb 2023-01-05 op 		*fd = -1;
 871 298f95fb 2023-01-05 op 		*blob = NULL;
 872 298f95fb 2023-01-05 op 	}
 873 298f95fb 2023-01-05 op 
 874 298f95fb 2023-01-05 op 	free(in_repo_path);
 875 298f95fb 2023-01-05 op 	free(commit_id);
 876 298f95fb 2023-01-05 op 	free(path);
 877 a596b957 2022-07-14 tracey 	return error;
 878 298f95fb 2023-01-05 op }
 879 298f95fb 2023-01-05 op 
 880 298f95fb 2023-01-05 op int
 881 298f95fb 2023-01-05 op got_output_blob_by_lines(struct template *tp, struct got_blob_object *blob,
 882 298f95fb 2023-01-05 op     int (*cb)(struct template *, const char *, size_t))
 883 298f95fb 2023-01-05 op {
 884 298f95fb 2023-01-05 op 	const struct got_error	*err;
 885 298f95fb 2023-01-05 op 	char			*line = NULL;
 886 298f95fb 2023-01-05 op 	size_t			 linesize = 0;
 887 298f95fb 2023-01-05 op 	size_t			 lineno = 0;
 888 298f95fb 2023-01-05 op 	ssize_t			 linelen = 0;
 889 298f95fb 2023-01-05 op 
 890 298f95fb 2023-01-05 op 	for (;;) {
 891 298f95fb 2023-01-05 op 		err = got_object_blob_getline(&line, &linelen, &linesize,
 892 298f95fb 2023-01-05 op 		    blob);
 893 298f95fb 2023-01-05 op 		if (err || linelen == -1)
 894 298f95fb 2023-01-05 op 			break;
 895 298f95fb 2023-01-05 op 		lineno++;
 896 01392bd6 2023-02-10 tracey 		if (cb(tp, line, lineno) == -1) {
 897 01392bd6 2023-02-10 tracey 			err = got_error(GOT_ERR_CANCELLED);
 898 298f95fb 2023-01-05 op 			break;
 899 01392bd6 2023-02-10 tracey 		}
 900 298f95fb 2023-01-05 op 	}
 901 298f95fb 2023-01-05 op 
 902 298f95fb 2023-01-05 op 	free(line);
 903 298f95fb 2023-01-05 op 
 904 298f95fb 2023-01-05 op 	if (err) {
 905 298f95fb 2023-01-05 op 		log_warnx("%s: got_object_blob_getline failed: %s",
 906 298f95fb 2023-01-05 op 		    __func__, err->msg);
 907 298f95fb 2023-01-05 op 		return -1;
 908 298f95fb 2023-01-05 op 	}
 909 298f95fb 2023-01-05 op 	return 0;
 910 a596b957 2022-07-14 tracey }
 911 a596b957 2022-07-14 tracey 
 912 a596b957 2022-07-14 tracey struct blame_cb_args {
 913 a596b957 2022-07-14 tracey 	struct blame_line *lines;
 914 a596b957 2022-07-14 tracey 	int nlines;
 915 a596b957 2022-07-14 tracey 	int nlines_prec;
 916 a596b957 2022-07-14 tracey 	int lineno_cur;
 917 a596b957 2022-07-14 tracey 	off_t *line_offsets;
 918 a596b957 2022-07-14 tracey 	FILE *f;
 919 a596b957 2022-07-14 tracey 	struct got_repository *repo;
 920 a596b957 2022-07-14 tracey 	struct request *c;
 921 8319855f 2023-01-15 op 	got_render_blame_line_cb cb;
 922 a596b957 2022-07-14 tracey };
 923 a596b957 2022-07-14 tracey 
 924 a596b957 2022-07-14 tracey static const struct got_error *
 925 a596b957 2022-07-14 tracey got_gotweb_blame_cb(void *arg, int nlines, int lineno,
 926 a596b957 2022-07-14 tracey     struct got_commit_object *commit, struct got_object_id *id)
 927 a596b957 2022-07-14 tracey {
 928 a596b957 2022-07-14 tracey 	const struct got_error *err = NULL;
 929 a596b957 2022-07-14 tracey 	struct blame_cb_args *a = arg;
 930 a596b957 2022-07-14 tracey 	struct blame_line *bline;
 931 a596b957 2022-07-14 tracey 	struct request *c = a->c;
 932 8319855f 2023-01-15 op 	char *line = NULL;
 933 a596b957 2022-07-14 tracey 	size_t linesize = 0;
 934 a596b957 2022-07-14 tracey 	off_t offset;
 935 a596b957 2022-07-14 tracey 	struct tm tm;
 936 a596b957 2022-07-14 tracey 	time_t committer_time;
 937 a596b957 2022-07-14 tracey 
 938 a596b957 2022-07-14 tracey 	if (nlines != a->nlines ||
 939 a596b957 2022-07-14 tracey 	    (lineno != -1 && lineno < 1) || lineno > a->nlines)
 940 a596b957 2022-07-14 tracey 		return got_error(GOT_ERR_RANGE);
 941 a596b957 2022-07-14 tracey 
 942 a596b957 2022-07-14 tracey 	if (lineno == -1)
 943 a596b957 2022-07-14 tracey 		return NULL; /* no change in this commit */
 944 a596b957 2022-07-14 tracey 
 945 a596b957 2022-07-14 tracey 	/* Annotate this line. */
 946 a596b957 2022-07-14 tracey 	bline = &a->lines[lineno - 1];
 947 a596b957 2022-07-14 tracey 	if (bline->annotated)
 948 a596b957 2022-07-14 tracey 		return NULL;
 949 a596b957 2022-07-14 tracey 	err = got_object_id_str(&bline->id_str, id);
 950 a596b957 2022-07-14 tracey 	if (err)
 951 a596b957 2022-07-14 tracey 		return err;
 952 a596b957 2022-07-14 tracey 
 953 a596b957 2022-07-14 tracey 	bline->committer = strdup(got_object_commit_get_committer(commit));
 954 a596b957 2022-07-14 tracey 	if (bline->committer == NULL) {
 955 a596b957 2022-07-14 tracey 		err = got_error_from_errno("strdup");
 956 a596b957 2022-07-14 tracey 		goto done;
 957 a596b957 2022-07-14 tracey 	}
 958 a596b957 2022-07-14 tracey 
 959 a596b957 2022-07-14 tracey 	committer_time = got_object_commit_get_committer_time(commit);
 960 a596b957 2022-07-14 tracey 	if (gmtime_r(&committer_time, &tm) == NULL)
 961 a596b957 2022-07-14 tracey 		return got_error_from_errno("gmtime_r");
 962 a596b957 2022-07-14 tracey 	if (strftime(bline->datebuf, sizeof(bline->datebuf), "%G-%m-%d",
 963 a596b957 2022-07-14 tracey 	    &tm) == 0) {
 964 a596b957 2022-07-14 tracey 		err = got_error(GOT_ERR_NO_SPACE);
 965 a596b957 2022-07-14 tracey 		goto done;
 966 a596b957 2022-07-14 tracey 	}
 967 a596b957 2022-07-14 tracey 	bline->annotated = 1;
 968 a596b957 2022-07-14 tracey 
 969 a596b957 2022-07-14 tracey 	/* Print lines annotated so far. */
 970 a596b957 2022-07-14 tracey 	bline = &a->lines[a->lineno_cur - 1];
 971 a596b957 2022-07-14 tracey 	if (!bline->annotated)
 972 a596b957 2022-07-14 tracey 		goto done;
 973 a596b957 2022-07-14 tracey 
 974 a596b957 2022-07-14 tracey 	offset = a->line_offsets[a->lineno_cur - 1];
 975 a596b957 2022-07-14 tracey 	if (fseeko(a->f, offset, SEEK_SET) == -1) {
 976 a596b957 2022-07-14 tracey 		err = got_error_from_errno("fseeko");
 977 a596b957 2022-07-14 tracey 		goto done;
 978 a596b957 2022-07-14 tracey 	}
 979 a596b957 2022-07-14 tracey 
 980 85f2c2e0 2022-08-18 op 	while (a->lineno_cur <= a->nlines && bline->annotated) {
 981 a596b957 2022-07-14 tracey 		if (getline(&line, &linesize, a->f) == -1) {
 982 a596b957 2022-07-14 tracey 			if (ferror(a->f))
 983 a596b957 2022-07-14 tracey 				err = got_error_from_errno("getline");
 984 a596b957 2022-07-14 tracey 			break;
 985 a596b957 2022-07-14 tracey 		}
 986 a596b957 2022-07-14 tracey 
 987 8319855f 2023-01-15 op 		if (a->cb(c->tp, line, bline, a->nlines_prec,
 988 4f152e84 2023-02-10 op 		    a->lineno_cur) == -1) {
 989 4f152e84 2023-02-10 op 			err = got_error(GOT_ERR_CANCELLED);
 990 8319855f 2023-01-15 op 			break;
 991 4f152e84 2023-02-10 op 		}
 992 01498c42 2022-08-19 op 
 993 a596b957 2022-07-14 tracey 		a->lineno_cur++;
 994 a596b957 2022-07-14 tracey 		bline = &a->lines[a->lineno_cur - 1];
 995 a596b957 2022-07-14 tracey 	}
 996 a596b957 2022-07-14 tracey done:
 997 a596b957 2022-07-14 tracey 	free(line);
 998 a596b957 2022-07-14 tracey 	return err;
 999 a596b957 2022-07-14 tracey }
1000 a596b957 2022-07-14 tracey 
1001 a596b957 2022-07-14 tracey const struct got_error *
1002 8319855f 2023-01-15 op got_output_file_blame(struct request *c, got_render_blame_line_cb cb)
1003 a596b957 2022-07-14 tracey {
1004 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
1005 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
1006 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
1007 a596b957 2022-07-14 tracey 	struct querystring *qs = c->t->qs;
1008 a596b957 2022-07-14 tracey 	struct got_object_id *obj_id = NULL, *commit_id = NULL;
1009 a596b957 2022-07-14 tracey 	struct got_commit_object *commit = NULL;
1010 a596b957 2022-07-14 tracey 	struct got_reflist_head refs;
1011 a596b957 2022-07-14 tracey 	struct got_blob_object *blob = NULL;
1012 a596b957 2022-07-14 tracey 	char *path = NULL, *in_repo_path = NULL;
1013 a596b957 2022-07-14 tracey 	struct blame_cb_args bca;
1014 a596b957 2022-07-14 tracey 	int i, obj_type, fd1 = -1, fd2 = -1, fd3 = -1, fd4 = -1, fd5 = -1;
1015 a596b957 2022-07-14 tracey 	int fd6 = -1;
1016 a596b957 2022-07-14 tracey 	off_t filesize;
1017 a596b957 2022-07-14 tracey 	FILE *f1 = NULL, *f2 = NULL;
1018 a596b957 2022-07-14 tracey 
1019 a596b957 2022-07-14 tracey 	TAILQ_INIT(&refs);
1020 a596b957 2022-07-14 tracey 	bca.f = NULL;
1021 a596b957 2022-07-14 tracey 	bca.lines = NULL;
1022 8319855f 2023-01-15 op 	bca.cb = cb;
1023 a596b957 2022-07-14 tracey 
1024 a596b957 2022-07-14 tracey 	if (asprintf(&path, "%s%s%s", qs->folder ? qs->folder : "",
1025 a596b957 2022-07-14 tracey 	    qs->folder ? "/" : "", qs->file) == -1) {
1026 a596b957 2022-07-14 tracey 		error = got_error_from_errno("asprintf");
1027 a596b957 2022-07-14 tracey 		goto done;
1028 a596b957 2022-07-14 tracey 	}
1029 a596b957 2022-07-14 tracey 
1030 a596b957 2022-07-14 tracey 	error = got_repo_map_path(&in_repo_path, repo, path);
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 	error = got_repo_match_object_id(&commit_id, NULL, qs->commit,
1035 a596b957 2022-07-14 tracey 	    GOT_OBJ_TYPE_COMMIT, &refs, repo);
1036 a596b957 2022-07-14 tracey 	if (error)
1037 a596b957 2022-07-14 tracey 		goto done;
1038 a596b957 2022-07-14 tracey 
1039 a596b957 2022-07-14 tracey 	error = got_object_open_as_commit(&commit, repo, commit_id);
1040 a596b957 2022-07-14 tracey 	if (error)
1041 a596b957 2022-07-14 tracey 		goto done;
1042 a596b957 2022-07-14 tracey 
1043 a596b957 2022-07-14 tracey 	error = got_object_id_by_path(&obj_id, repo, commit, in_repo_path);
1044 a596b957 2022-07-14 tracey 	if (error)
1045 a596b957 2022-07-14 tracey 		goto done;
1046 a596b957 2022-07-14 tracey 
1047 a596b957 2022-07-14 tracey 	error = got_object_get_type(&obj_type, repo, obj_id);
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 	if (obj_type != GOT_OBJ_TYPE_BLOB) {
1052 a596b957 2022-07-14 tracey 		error = got_error(GOT_ERR_OBJ_TYPE);
1053 a596b957 2022-07-14 tracey 		goto done;
1054 a596b957 2022-07-14 tracey 	}
1055 a596b957 2022-07-14 tracey 
1056 a596b957 2022-07-14 tracey 	error = got_gotweb_openfile(&bca.f, &c->priv_fd[BLAME_FD_1], &fd1);
1057 a596b957 2022-07-14 tracey 	if (error)
1058 a596b957 2022-07-14 tracey 		goto done;
1059 a596b957 2022-07-14 tracey 
1060 a596b957 2022-07-14 tracey 	error = got_gotweb_dupfd(&c->priv_fd[BLAME_FD_2], &fd2);
1061 a596b957 2022-07-14 tracey 	if (error)
1062 a596b957 2022-07-14 tracey 		goto done;
1063 a596b957 2022-07-14 tracey 
1064 a596b957 2022-07-14 tracey 	error = got_object_open_as_blob(&blob, repo, obj_id, BUF, fd2);
1065 a596b957 2022-07-14 tracey 	if (error)
1066 a596b957 2022-07-14 tracey 		goto done;
1067 a596b957 2022-07-14 tracey 
1068 a596b957 2022-07-14 tracey 	error = got_object_blob_dump_to_file(&filesize, &bca.nlines,
1069 a596b957 2022-07-14 tracey 	    &bca.line_offsets, bca.f, blob);
1070 a596b957 2022-07-14 tracey 	if (error || bca.nlines == 0)
1071 a596b957 2022-07-14 tracey 		goto done;
1072 a596b957 2022-07-14 tracey 
1073 a596b957 2022-07-14 tracey 	/* Don't include \n at EOF in the blame line count. */
1074 a596b957 2022-07-14 tracey 	if (bca.line_offsets[bca.nlines - 1] == filesize)
1075 a596b957 2022-07-14 tracey 		bca.nlines--;
1076 a596b957 2022-07-14 tracey 
1077 a596b957 2022-07-14 tracey 	bca.lines = calloc(bca.nlines, sizeof(*bca.lines));
1078 a596b957 2022-07-14 tracey 	if (bca.lines == NULL) {
1079 a596b957 2022-07-14 tracey 		error = got_error_from_errno("calloc");
1080 a596b957 2022-07-14 tracey 		goto done;
1081 a596b957 2022-07-14 tracey 	}
1082 a596b957 2022-07-14 tracey 	bca.lineno_cur = 1;
1083 a596b957 2022-07-14 tracey 	bca.nlines_prec = 0;
1084 a596b957 2022-07-14 tracey 	i = bca.nlines;
1085 a596b957 2022-07-14 tracey 	while (i > 0) {
1086 a596b957 2022-07-14 tracey 		i /= 10;
1087 a596b957 2022-07-14 tracey 		bca.nlines_prec++;
1088 a596b957 2022-07-14 tracey 	}
1089 a596b957 2022-07-14 tracey 	bca.repo = repo;
1090 a596b957 2022-07-14 tracey 	bca.c = c;
1091 a596b957 2022-07-14 tracey 
1092 a596b957 2022-07-14 tracey 	error = got_gotweb_dupfd(&c->priv_fd[BLAME_FD_3], &fd3);
1093 a596b957 2022-07-14 tracey 	if (error)
1094 a596b957 2022-07-14 tracey 		goto done;
1095 a596b957 2022-07-14 tracey 
1096 a596b957 2022-07-14 tracey 	error = got_gotweb_dupfd(&c->priv_fd[BLAME_FD_4], &fd4);
1097 a596b957 2022-07-14 tracey 	if (error)
1098 a596b957 2022-07-14 tracey 		goto done;
1099 a596b957 2022-07-14 tracey 
1100 a596b957 2022-07-14 tracey 	error = got_gotweb_openfile(&f1, &c->priv_fd[BLAME_FD_5], &fd5);
1101 a596b957 2022-07-14 tracey 	if (error)
1102 a596b957 2022-07-14 tracey 		goto done;
1103 a596b957 2022-07-14 tracey 
1104 a596b957 2022-07-14 tracey 	error = got_gotweb_openfile(&f2, &c->priv_fd[BLAME_FD_6], &fd6);
1105 a596b957 2022-07-14 tracey 	if (error)
1106 a596b957 2022-07-14 tracey 		goto done;
1107 a596b957 2022-07-14 tracey 
1108 a596b957 2022-07-14 tracey 	error = got_blame(in_repo_path, commit_id, repo,
1109 a596b957 2022-07-14 tracey 	    GOT_DIFF_ALGORITHM_MYERS, got_gotweb_blame_cb, &bca, NULL, NULL,
1110 a596b957 2022-07-14 tracey 	    fd3, fd4, f1, f2);
1111 a596b957 2022-07-14 tracey 
1112 a33a44db 2022-09-03 op done:
1113 a33a44db 2022-09-03 op 	if (bca.lines) {
1114 a596b957 2022-07-14 tracey 		free(bca.line_offsets);
1115 a596b957 2022-07-14 tracey 		for (i = 0; i < bca.nlines; i++) {
1116 a596b957 2022-07-14 tracey 			struct blame_line *bline = &bca.lines[i];
1117 a596b957 2022-07-14 tracey 			free(bline->id_str);
1118 a596b957 2022-07-14 tracey 			free(bline->committer);
1119 a596b957 2022-07-14 tracey 		}
1120 a596b957 2022-07-14 tracey 	}
1121 a596b957 2022-07-14 tracey 	free(bca.lines);
1122 a596b957 2022-07-14 tracey 	if (fd2 != -1 && close(fd2) == -1 && error == NULL)
1123 a596b957 2022-07-14 tracey 		error = got_error_from_errno("close");
1124 a596b957 2022-07-14 tracey 	if (fd3 != -1 && close(fd3) == -1 && error == NULL)
1125 a596b957 2022-07-14 tracey 		error = got_error_from_errno("close");
1126 a596b957 2022-07-14 tracey 	if (fd4 != -1 && close(fd4) == -1 && error == NULL)
1127 a596b957 2022-07-14 tracey 		error = got_error_from_errno("close");
1128 a596b957 2022-07-14 tracey 	if (bca.f) {
1129 a596b957 2022-07-14 tracey 		const struct got_error *bca_err =
1130 a596b957 2022-07-14 tracey 		    got_gotweb_flushfile(bca.f, fd1);
1131 a596b957 2022-07-14 tracey 		if (error == NULL)
1132 a596b957 2022-07-14 tracey 			error = bca_err;
1133 a596b957 2022-07-14 tracey 	}
1134 a596b957 2022-07-14 tracey 	if (f1) {
1135 a596b957 2022-07-14 tracey 		const struct got_error *f1_err =
1136 a596b957 2022-07-14 tracey 		    got_gotweb_flushfile(f1, fd5);
1137 a596b957 2022-07-14 tracey 		if (error == NULL)
1138 a596b957 2022-07-14 tracey 			error = f1_err;
1139 a596b957 2022-07-14 tracey 	}
1140 a596b957 2022-07-14 tracey 	if (f2) {
1141 a596b957 2022-07-14 tracey 		const struct got_error *f2_err =
1142 a596b957 2022-07-14 tracey 		    got_gotweb_flushfile(f2, fd6);
1143 a596b957 2022-07-14 tracey 		if (error == NULL)
1144 a596b957 2022-07-14 tracey 			error = f2_err;
1145 a596b957 2022-07-14 tracey 	}
1146 a596b957 2022-07-14 tracey 	if (commit)
1147 a596b957 2022-07-14 tracey 		got_object_commit_close(commit);
1148 a596b957 2022-07-14 tracey 	if (blob)
1149 a596b957 2022-07-14 tracey 		got_object_blob_close(blob);
1150 a596b957 2022-07-14 tracey 	free(in_repo_path);
1151 a596b957 2022-07-14 tracey 	free(commit_id);
1152 b94206d0 2022-09-03 op 	free(obj_id);
1153 a596b957 2022-07-14 tracey 	free(path);
1154 b94206d0 2022-09-03 op 	got_ref_list_free(&refs);
1155 a596b957 2022-07-14 tracey 	return error;
1156 a596b957 2022-07-14 tracey }
1157 a596b957 2022-07-14 tracey 
1158 a596b957 2022-07-14 tracey const struct got_error *
1159 587550a5 2023-01-10 op got_open_diff_for_output(FILE **fp, int *fd, struct request *c)
1160 a596b957 2022-07-14 tracey {
1161 a596b957 2022-07-14 tracey 	const struct got_error *error = NULL;
1162 a596b957 2022-07-14 tracey 	struct transport *t = c->t;
1163 a596b957 2022-07-14 tracey 	struct got_repository *repo = t->repo;
1164 a596b957 2022-07-14 tracey 	struct repo_commit *rc = NULL;
1165 a596b957 2022-07-14 tracey 	struct got_object_id *id1 = NULL, *id2 = NULL;
1166 a596b957 2022-07-14 tracey 	struct got_reflist_head refs;
1167 a596b957 2022-07-14 tracey 	FILE *f1 = NULL, *f2 = NULL, *f3 = NULL;
1168 a596b957 2022-07-14 tracey 	int obj_type, fd1, fd2, fd3, fd4 = -1, fd5 = -1;
1169 169b1631 2023-01-06 op 
1170 587550a5 2023-01-10 op 	*fp = NULL;
1171 587550a5 2023-01-10 op 	*fd = -1;
1172 587550a5 2023-01-10 op 
1173 a596b957 2022-07-14 tracey 	TAILQ_INIT(&refs);
1174 a596b957 2022-07-14 tracey 
1175 a596b957 2022-07-14 tracey 	error = got_gotweb_openfile(&f1, &c->priv_fd[DIFF_FD_1], &fd1);
1176 a596b957 2022-07-14 tracey 	if (error)
1177 a596b957 2022-07-14 tracey 		return error;
1178 a596b957 2022-07-14 tracey 
1179 a596b957 2022-07-14 tracey 	error = got_gotweb_openfile(&f2, &c->priv_fd[DIFF_FD_2], &fd2);
1180 a596b957 2022-07-14 tracey 	if (error)
1181 a596b957 2022-07-14 tracey 		return error;
1182 a596b957 2022-07-14 tracey 
1183 a596b957 2022-07-14 tracey 	error = got_gotweb_openfile(&f3, &c->priv_fd[DIFF_FD_3], &fd3);
1184 a596b957 2022-07-14 tracey 	if (error)
1185 a596b957 2022-07-14 tracey 		return error;
1186 a596b957 2022-07-14 tracey 
1187 a596b957 2022-07-14 tracey 	rc = TAILQ_FIRST(&t->repo_commits);
1188 a596b957 2022-07-14 tracey 
1189 a596b957 2022-07-14 tracey 	if (rc->parent_id != NULL &&
1190 a596b957 2022-07-14 tracey 	    strncmp(rc->parent_id, "/dev/null", 9) != 0) {
1191 587550a5 2023-01-10 op 		error = got_repo_match_object_id(&id1, NULL,
1192 a596b957 2022-07-14 tracey 		    rc->parent_id, GOT_OBJ_TYPE_ANY,
1193 a596b957 2022-07-14 tracey 		    &refs, repo);
1194 a596b957 2022-07-14 tracey 		if (error)
1195 a596b957 2022-07-14 tracey 			goto done;
1196 a596b957 2022-07-14 tracey 	}
1197 a596b957 2022-07-14 tracey 
1198 587550a5 2023-01-10 op 	error = got_repo_match_object_id(&id2, NULL, rc->commit_id,
1199 a596b957 2022-07-14 tracey 	    GOT_OBJ_TYPE_ANY, &refs, repo);
1200 a596b957 2022-07-14 tracey 	if (error)
1201 a596b957 2022-07-14 tracey 		goto done;
1202 a596b957 2022-07-14 tracey 
1203 a596b957 2022-07-14 tracey 	error = got_object_get_type(&obj_type, repo, id2);
1204 a596b957 2022-07-14 tracey 	if (error)
1205 a596b957 2022-07-14 tracey 		goto done;
1206 a596b957 2022-07-14 tracey 
1207 a596b957 2022-07-14 tracey 	error = got_gotweb_dupfd(&c->priv_fd[DIFF_FD_4], &fd4);
1208 a596b957 2022-07-14 tracey 	if (error)
1209 a596b957 2022-07-14 tracey 		goto done;
1210 a596b957 2022-07-14 tracey 
1211 a596b957 2022-07-14 tracey 	error = got_gotweb_dupfd(&c->priv_fd[DIFF_FD_5], &fd5);
1212 a596b957 2022-07-14 tracey 	if (error)
1213 a596b957 2022-07-14 tracey 		goto done;
1214 a596b957 2022-07-14 tracey 
1215 a596b957 2022-07-14 tracey 	switch (obj_type) {
1216 a596b957 2022-07-14 tracey 	case GOT_OBJ_TYPE_BLOB:
1217 a596b957 2022-07-14 tracey 		error = got_diff_objects_as_blobs(NULL, NULL, f1, f2, fd4, fd5,
1218 a596b957 2022-07-14 tracey 		     id1, id2, NULL, NULL, GOT_DIFF_ALGORITHM_MYERS, 3, 0, 0,
1219 1f3405c9 2023-01-17 mark 		     NULL, repo, f3);
1220 a596b957 2022-07-14 tracey 		break;
1221 a596b957 2022-07-14 tracey 	case GOT_OBJ_TYPE_TREE:
1222 a596b957 2022-07-14 tracey 		error = got_diff_objects_as_trees(NULL, NULL, f1, f2, fd4, fd5,
1223 a596b957 2022-07-14 tracey 		    id1, id2, NULL, "", "",  GOT_DIFF_ALGORITHM_MYERS, 3, 0, 0,
1224 1f3405c9 2023-01-17 mark 		    NULL, repo, f3);
1225 a596b957 2022-07-14 tracey 		break;
1226 a596b957 2022-07-14 tracey 	case GOT_OBJ_TYPE_COMMIT:
1227 a596b957 2022-07-14 tracey 		error = got_diff_objects_as_commits(NULL, NULL, f1, f2, fd4,
1228 a596b957 2022-07-14 tracey 		    fd5, id1, id2, NULL,  GOT_DIFF_ALGORITHM_MYERS, 3, 0, 0,
1229 1f3405c9 2023-01-17 mark 		    NULL, repo, f3);
1230 a596b957 2022-07-14 tracey 		break;
1231 a596b957 2022-07-14 tracey 	default:
1232 a596b957 2022-07-14 tracey 		error = got_error(GOT_ERR_OBJ_TYPE);
1233 a596b957 2022-07-14 tracey 	}
1234 a596b957 2022-07-14 tracey 	if (error)
1235 a596b957 2022-07-14 tracey 		goto done;
1236 a596b957 2022-07-14 tracey 
1237 a596b957 2022-07-14 tracey 	if (fseek(f1, 0, SEEK_SET) == -1) {
1238 a596b957 2022-07-14 tracey 		error = got_ferror(f1, GOT_ERR_IO);
1239 a596b957 2022-07-14 tracey 		goto done;
1240 a596b957 2022-07-14 tracey 	}
1241 a596b957 2022-07-14 tracey 
1242 a596b957 2022-07-14 tracey 	if (fseek(f2, 0, SEEK_SET) == -1) {
1243 a596b957 2022-07-14 tracey 		error = got_ferror(f2, GOT_ERR_IO);
1244 a596b957 2022-07-14 tracey 		goto done;
1245 a596b957 2022-07-14 tracey 	}
1246 a596b957 2022-07-14 tracey 
1247 a596b957 2022-07-14 tracey 	if (fseek(f3, 0, SEEK_SET) == -1) {
1248 a596b957 2022-07-14 tracey 		error = got_ferror(f3, GOT_ERR_IO);
1249 a596b957 2022-07-14 tracey 		goto done;
1250 a596b957 2022-07-14 tracey 	}
1251 a596b957 2022-07-14 tracey 
1252 587550a5 2023-01-10 op 	*fp = f3;
1253 587550a5 2023-01-10 op 	*fd = fd3;
1254 01498c42 2022-08-19 op 
1255 a596b957 2022-07-14 tracey done:
1256 a596b957 2022-07-14 tracey 	if (fd4 != -1 && close(fd4) == -1 && error == NULL)
1257 a596b957 2022-07-14 tracey 		error = got_error_from_errno("close");
1258 a596b957 2022-07-14 tracey 	if (fd5 != -1 && close(fd5) == -1 && error == NULL)
1259 a596b957 2022-07-14 tracey 		error = got_error_from_errno("close");
1260 a596b957 2022-07-14 tracey 	if (f1) {
1261 a596b957 2022-07-14 tracey 		const struct got_error *f1_err =
1262 a596b957 2022-07-14 tracey 		    got_gotweb_flushfile(f1, fd1);
1263 a596b957 2022-07-14 tracey 		if (error == NULL)
1264 a596b957 2022-07-14 tracey 			error = f1_err;
1265 a596b957 2022-07-14 tracey 	}
1266 a596b957 2022-07-14 tracey 	if (f2) {
1267 a596b957 2022-07-14 tracey 		const struct got_error *f2_err =
1268 a596b957 2022-07-14 tracey 		    got_gotweb_flushfile(f2, fd2);
1269 a596b957 2022-07-14 tracey 		if (error == NULL)
1270 a596b957 2022-07-14 tracey 			error = f2_err;
1271 a596b957 2022-07-14 tracey 	}
1272 587550a5 2023-01-10 op 	if (error && f3) {
1273 587550a5 2023-01-10 op 		got_gotweb_flushfile(f3, fd3);
1274 587550a5 2023-01-10 op 		*fp = NULL;
1275 587550a5 2023-01-10 op 		*fd = -1;
1276 a596b957 2022-07-14 tracey 	}
1277 a596b957 2022-07-14 tracey 	got_ref_list_free(&refs);
1278 a596b957 2022-07-14 tracey 	free(id1);
1279 a596b957 2022-07-14 tracey 	free(id2);
1280 a596b957 2022-07-14 tracey 	return error;
1281 a596b957 2022-07-14 tracey }
1282 a596b957 2022-07-14 tracey 
1283 a596b957 2022-07-14 tracey static const struct got_error *
1284 a596b957 2022-07-14 tracey got_init_repo_commit(struct repo_commit **rc)
1285 a596b957 2022-07-14 tracey {
1286 a596b957 2022-07-14 tracey 	*rc = calloc(1, sizeof(**rc));
1287 a596b957 2022-07-14 tracey 	if (*rc == NULL)
1288 a596b957 2022-07-14 tracey 		return got_error_from_errno2("%s: calloc", __func__);
1289 a596b957 2022-07-14 tracey 
1290 a596b957 2022-07-14 tracey 	(*rc)->path = NULL;
1291 a596b957 2022-07-14 tracey 	(*rc)->refs_str = NULL;
1292 a596b957 2022-07-14 tracey 	(*rc)->commit_id = NULL;
1293 a596b957 2022-07-14 tracey 	(*rc)->committer = NULL;
1294 a596b957 2022-07-14 tracey 	(*rc)->author = NULL;
1295 a596b957 2022-07-14 tracey 	(*rc)->parent_id = NULL;
1296 a596b957 2022-07-14 tracey 	(*rc)->tree_id = NULL;
1297 a596b957 2022-07-14 tracey 	(*rc)->commit_msg = NULL;
1298 a596b957 2022-07-14 tracey 
1299 dd84f505 2022-08-31 stsp 	return NULL;
1300 a596b957 2022-07-14 tracey }
1301 a596b957 2022-07-14 tracey 
1302 a596b957 2022-07-14 tracey static const struct got_error *
1303 a596b957 2022-07-14 tracey got_init_repo_tag(struct repo_tag **rt)
1304 a596b957 2022-07-14 tracey {
1305 a596b957 2022-07-14 tracey 	*rt = calloc(1, sizeof(**rt));
1306 a596b957 2022-07-14 tracey 	if (*rt == NULL)
1307 a596b957 2022-07-14 tracey 		return got_error_from_errno2("%s: calloc", __func__);
1308 a596b957 2022-07-14 tracey 
1309 a596b957 2022-07-14 tracey 	(*rt)->commit_id = NULL;
1310 a596b957 2022-07-14 tracey 	(*rt)->tag_name = NULL;
1311 a596b957 2022-07-14 tracey 	(*rt)->tag_commit = NULL;
1312 a596b957 2022-07-14 tracey 	(*rt)->commit_msg = NULL;
1313 a596b957 2022-07-14 tracey 	(*rt)->tagger = NULL;
1314 a596b957 2022-07-14 tracey 
1315 dd84f505 2022-08-31 stsp 	return NULL;
1316 a596b957 2022-07-14 tracey }