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Commit | Line | Data |
---|---|---|
7bd9bcf3 MH |
1 | /* |
2 | * The backend-independent part of the reference module. | |
3 | */ | |
4 | ||
95fc7512 | 5 | #include "cache.h" |
b2141fc1 | 6 | #include "config.h" |
7d4558c4 | 7 | #include "hashmap.h" |
697cc8ef | 8 | #include "lockfile.h" |
b05855b5 | 9 | #include "iterator.h" |
85023577 | 10 | #include "refs.h" |
4cb77009 | 11 | #include "refs/refs-internal.h" |
67541597 | 12 | #include "run-command.h" |
5e3aba33 | 13 | #include "hook.h" |
cbd53a21 | 14 | #include "object-store.h" |
cf0adba7 JH |
15 | #include "object.h" |
16 | #include "tag.h" | |
5d0bc90e | 17 | #include "submodule.h" |
17eff96b | 18 | #include "worktree.h" |
dbbcd44f | 19 | #include "strvec.h" |
23a3f0cb | 20 | #include "repository.h" |
67541597 | 21 | #include "sigchain.h" |
88c7b4c3 | 22 | #include "date.h" |
3581d793 | 23 | |
3dce444f RS |
24 | /* |
25 | * List of all available backends | |
26 | */ | |
27 | static struct ref_storage_be *refs_backends = &refs_be_files; | |
28 | ||
29 | static struct ref_storage_be *find_ref_storage_backend(const char *name) | |
30 | { | |
31 | struct ref_storage_be *be; | |
32 | for (be = refs_backends; be; be = be->next) | |
33 | if (!strcmp(be->name, name)) | |
34 | return be; | |
35 | return NULL; | |
36 | } | |
37 | ||
bc5fd6d3 | 38 | /* |
dde8a902 DT |
39 | * How to handle various characters in refnames: |
40 | * 0: An acceptable character for refs | |
5e650228 JH |
41 | * 1: End-of-component |
42 | * 2: ., look for a preceding . to reject .. in refs | |
43 | * 3: {, look for a preceding @ to reject @{ in refs | |
53a8555e | 44 | * 4: A bad character: ASCII control characters, and |
cd377f45 JK |
45 | * ":", "?", "[", "\", "^", "~", SP, or TAB |
46 | * 5: *, reject unless REFNAME_REFSPEC_PATTERN is set | |
dde8a902 DT |
47 | */ |
48 | static unsigned char refname_disposition[256] = { | |
5e650228 JH |
49 | 1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, |
50 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, | |
cd377f45 | 51 | 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 2, 1, |
5e650228 | 52 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 4, |
dde8a902 | 53 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
5e650228 JH |
54 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 0, 4, 0, |
55 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
56 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 4, 4 | |
dde8a902 DT |
57 | }; |
58 | ||
59 | /* | |
60 | * Try to read one refname component from the front of refname. | |
61 | * Return the length of the component found, or -1 if the component is | |
62 | * not legal. It is legal if it is something reasonable to have under | |
63 | * ".git/refs/"; We do not like it if: | |
bc5fd6d3 | 64 | * |
1de16aec | 65 | * - it begins with ".", or |
bc5fd6d3 | 66 | * - it has double dots "..", or |
53a8555e | 67 | * - it has ASCII control characters, or |
cd377f45 JK |
68 | * - it has ":", "?", "[", "\", "^", "~", SP, or TAB anywhere, or |
69 | * - it has "*" anywhere unless REFNAME_REFSPEC_PATTERN is set, or | |
53a8555e JK |
70 | * - it ends with a "/", or |
71 | * - it ends with ".lock", or | |
72 | * - it contains a "@{" portion | |
1de16aec NTND |
73 | * |
74 | * When sanitized is not NULL, instead of rejecting the input refname | |
75 | * as an error, try to come up with a usable replacement for the input | |
76 | * refname in it. | |
bc5fd6d3 | 77 | */ |
1de16aec NTND |
78 | static int check_refname_component(const char *refname, int *flags, |
79 | struct strbuf *sanitized) | |
bc5fd6d3 MH |
80 | { |
81 | const char *cp; | |
82 | char last = '\0'; | |
1de16aec NTND |
83 | size_t component_start = 0; /* garbage - not a reasonable initial value */ |
84 | ||
85 | if (sanitized) | |
86 | component_start = sanitized->len; | |
bc5fd6d3 MH |
87 | |
88 | for (cp = refname; ; cp++) { | |
dde8a902 DT |
89 | int ch = *cp & 255; |
90 | unsigned char disp = refname_disposition[ch]; | |
1de16aec NTND |
91 | |
92 | if (sanitized && disp != 1) | |
93 | strbuf_addch(sanitized, ch); | |
94 | ||
dde8a902 | 95 | switch (disp) { |
5e650228 | 96 | case 1: |
dde8a902 | 97 | goto out; |
5e650228 | 98 | case 2: |
1de16aec NTND |
99 | if (last == '.') { /* Refname contains "..". */ |
100 | if (sanitized) | |
101 | /* collapse ".." to single "." */ | |
102 | strbuf_setlen(sanitized, sanitized->len - 1); | |
103 | else | |
104 | return -1; | |
105 | } | |
dde8a902 | 106 | break; |
5e650228 | 107 | case 3: |
1de16aec NTND |
108 | if (last == '@') { /* Refname contains "@{". */ |
109 | if (sanitized) | |
110 | sanitized->buf[sanitized->len-1] = '-'; | |
111 | else | |
112 | return -1; | |
113 | } | |
bc5fd6d3 | 114 | break; |
5e650228 | 115 | case 4: |
1de16aec NTND |
116 | /* forbidden char */ |
117 | if (sanitized) | |
118 | sanitized->buf[sanitized->len-1] = '-'; | |
119 | else | |
120 | return -1; | |
121 | break; | |
cd377f45 | 122 | case 5: |
1de16aec NTND |
123 | if (!(*flags & REFNAME_REFSPEC_PATTERN)) { |
124 | /* refspec can't be a pattern */ | |
125 | if (sanitized) | |
126 | sanitized->buf[sanitized->len-1] = '-'; | |
127 | else | |
128 | return -1; | |
129 | } | |
cd377f45 JK |
130 | |
131 | /* | |
132 | * Unset the pattern flag so that we only accept | |
133 | * a single asterisk for one side of refspec. | |
134 | */ | |
135 | *flags &= ~ REFNAME_REFSPEC_PATTERN; | |
136 | break; | |
dde8a902 | 137 | } |
bc5fd6d3 MH |
138 | last = ch; |
139 | } | |
dde8a902 | 140 | out: |
bc5fd6d3 | 141 | if (cp == refname) |
dac529e4 | 142 | return 0; /* Component has zero length. */ |
1de16aec NTND |
143 | |
144 | if (refname[0] == '.') { /* Component starts with '.'. */ | |
145 | if (sanitized) | |
146 | sanitized->buf[component_start] = '-'; | |
147 | else | |
148 | return -1; | |
149 | } | |
7108ad23 | 150 | if (cp - refname >= LOCK_SUFFIX_LEN && |
1de16aec NTND |
151 | !memcmp(cp - LOCK_SUFFIX_LEN, LOCK_SUFFIX, LOCK_SUFFIX_LEN)) { |
152 | if (!sanitized) | |
153 | return -1; | |
154 | /* Refname ends with ".lock". */ | |
155 | while (strbuf_strip_suffix(sanitized, LOCK_SUFFIX)) { | |
156 | /* try again in case we have .lock.lock */ | |
157 | } | |
158 | } | |
bc5fd6d3 MH |
159 | return cp - refname; |
160 | } | |
161 | ||
1de16aec NTND |
162 | static int check_or_sanitize_refname(const char *refname, int flags, |
163 | struct strbuf *sanitized) | |
bc5fd6d3 MH |
164 | { |
165 | int component_len, component_count = 0; | |
166 | ||
1de16aec | 167 | if (!strcmp(refname, "@")) { |
9ba89f48 | 168 | /* Refname is a single character '@'. */ |
1de16aec NTND |
169 | if (sanitized) |
170 | strbuf_addch(sanitized, '-'); | |
171 | else | |
172 | return -1; | |
173 | } | |
9ba89f48 | 174 | |
bc5fd6d3 | 175 | while (1) { |
1de16aec NTND |
176 | if (sanitized && sanitized->len) |
177 | strbuf_complete(sanitized, '/'); | |
178 | ||
bc5fd6d3 | 179 | /* We are at the start of a path component. */ |
1de16aec NTND |
180 | component_len = check_refname_component(refname, &flags, |
181 | sanitized); | |
182 | if (sanitized && component_len == 0) | |
183 | ; /* OK, omit empty component */ | |
184 | else if (component_len <= 0) | |
cd377f45 JK |
185 | return -1; |
186 | ||
bc5fd6d3 MH |
187 | component_count++; |
188 | if (refname[component_len] == '\0') | |
189 | break; | |
190 | /* Skip to next component. */ | |
191 | refname += component_len + 1; | |
192 | } | |
193 | ||
1de16aec NTND |
194 | if (refname[component_len - 1] == '.') { |
195 | /* Refname ends with '.'. */ | |
196 | if (sanitized) | |
197 | ; /* omit ending dot */ | |
198 | else | |
199 | return -1; | |
200 | } | |
bc5fd6d3 MH |
201 | if (!(flags & REFNAME_ALLOW_ONELEVEL) && component_count < 2) |
202 | return -1; /* Refname has only one component. */ | |
203 | return 0; | |
204 | } | |
205 | ||
1de16aec NTND |
206 | int check_refname_format(const char *refname, int flags) |
207 | { | |
208 | return check_or_sanitize_refname(refname, flags, NULL); | |
209 | } | |
210 | ||
211 | void sanitize_refname_component(const char *refname, struct strbuf *out) | |
212 | { | |
213 | if (check_or_sanitize_refname(refname, REFNAME_ALLOW_ONELEVEL, out)) | |
214 | BUG("sanitizing refname '%s' check returned error", refname); | |
215 | } | |
216 | ||
4cb77009 | 217 | int refname_is_safe(const char *refname) |
d0f810f0 | 218 | { |
39950fef MH |
219 | const char *rest; |
220 | ||
221 | if (skip_prefix(refname, "refs/", &rest)) { | |
d0f810f0 RS |
222 | char *buf; |
223 | int result; | |
e40f3557 MH |
224 | size_t restlen = strlen(rest); |
225 | ||
226 | /* rest must not be empty, or start or end with "/" */ | |
227 | if (!restlen || *rest == '/' || rest[restlen - 1] == '/') | |
228 | return 0; | |
d0f810f0 | 229 | |
d0f810f0 RS |
230 | /* |
231 | * Does the refname try to escape refs/? | |
232 | * For example: refs/foo/../bar is safe but refs/foo/../../bar | |
233 | * is not. | |
234 | */ | |
e40f3557 MH |
235 | buf = xmallocz(restlen); |
236 | result = !normalize_path_copy(buf, rest) && !strcmp(buf, rest); | |
d0f810f0 RS |
237 | free(buf); |
238 | return result; | |
239 | } | |
35db25c6 MH |
240 | |
241 | do { | |
d0f810f0 RS |
242 | if (!isupper(*refname) && *refname != '_') |
243 | return 0; | |
244 | refname++; | |
35db25c6 | 245 | } while (*refname); |
d0f810f0 RS |
246 | return 1; |
247 | } | |
248 | ||
67be7c5a MH |
249 | /* |
250 | * Return true if refname, which has the specified oid and flags, can | |
251 | * be resolved to an object in the database. If the referred-to object | |
252 | * does not exist, emit a warning and return false. | |
253 | */ | |
254 | int ref_resolves_to_object(const char *refname, | |
9bc45a28 | 255 | struct repository *repo, |
67be7c5a MH |
256 | const struct object_id *oid, |
257 | unsigned int flags) | |
258 | { | |
259 | if (flags & REF_ISBROKEN) | |
260 | return 0; | |
9bc45a28 | 261 | if (!repo_has_object_file(repo, oid)) { |
661558f0 | 262 | error(_("%s does not point to a valid object!"), refname); |
67be7c5a MH |
263 | return 0; |
264 | } | |
265 | return 1; | |
266 | } | |
267 | ||
7d2df051 NTND |
268 | char *refs_resolve_refdup(struct ref_store *refs, |
269 | const char *refname, int resolve_flags, | |
0f2dc722 | 270 | struct object_id *oid, int *flags) |
7d2df051 NTND |
271 | { |
272 | const char *result; | |
273 | ||
274 | result = refs_resolve_ref_unsafe(refs, refname, resolve_flags, | |
ce14de03 | 275 | oid, flags); |
7d2df051 NTND |
276 | return xstrdup_or_null(result); |
277 | } | |
278 | ||
7bd9bcf3 | 279 | char *resolve_refdup(const char *refname, int resolve_flags, |
0f2dc722 | 280 | struct object_id *oid, int *flags) |
e1e22e37 | 281 | { |
23a3f0cb | 282 | return refs_resolve_refdup(get_main_ref_store(the_repository), |
7d2df051 | 283 | refname, resolve_flags, |
0f2dc722 | 284 | oid, flags); |
cddc4258 MH |
285 | } |
286 | ||
7bd9bcf3 MH |
287 | /* The argument to filter_refs */ |
288 | struct ref_filter { | |
289 | const char *pattern; | |
9ab9b5df | 290 | const char *prefix; |
7bd9bcf3 MH |
291 | each_ref_fn *fn; |
292 | void *cb_data; | |
293 | }; | |
432ad41e | 294 | |
76887df0 | 295 | int read_ref_full(const char *refname, int resolve_flags, struct object_id *oid, int *flags) |
732134ed | 296 | { |
76887df0 ÆAB |
297 | struct ref_store *refs = get_main_ref_store(the_repository); |
298 | ||
f1da24ca | 299 | if (refs_resolve_ref_unsafe(refs, refname, resolve_flags, |
ce14de03 | 300 | oid, flags)) |
7bd9bcf3 MH |
301 | return 0; |
302 | return -1; | |
732134ed MH |
303 | } |
304 | ||
34c290a6 | 305 | int read_ref(const char *refname, struct object_id *oid) |
cddc4258 | 306 | { |
34c290a6 | 307 | return read_ref_full(refname, RESOLVE_REF_READING, oid, NULL); |
c774aab9 JP |
308 | } |
309 | ||
3f9f1acc | 310 | int refs_ref_exists(struct ref_store *refs, const char *refname) |
b3cd33d0 | 311 | { |
f1da24ca | 312 | return !!refs_resolve_ref_unsafe(refs, refname, RESOLVE_REF_READING, |
ce14de03 | 313 | NULL, NULL); |
b3cd33d0 NTND |
314 | } |
315 | ||
7bd9bcf3 | 316 | int ref_exists(const char *refname) |
bc5fd6d3 | 317 | { |
b3cd33d0 | 318 | return refs_ref_exists(get_main_ref_store(the_repository), refname); |
bc5fd6d3 MH |
319 | } |
320 | ||
7bd9bcf3 MH |
321 | static int filter_refs(const char *refname, const struct object_id *oid, |
322 | int flags, void *data) | |
432ad41e | 323 | { |
7bd9bcf3 MH |
324 | struct ref_filter *filter = (struct ref_filter *)data; |
325 | ||
55d34269 | 326 | if (wildmatch(filter->pattern, refname, 0)) |
7bd9bcf3 | 327 | return 0; |
9ab9b5df RA |
328 | if (filter->prefix) |
329 | skip_prefix(refname, filter->prefix, &refname); | |
7bd9bcf3 | 330 | return filter->fn(refname, oid, flags, filter->cb_data); |
432ad41e MH |
331 | } |
332 | ||
ac2ed0d7 | 333 | enum peel_status peel_object(const struct object_id *name, struct object_id *oid) |
c774aab9 | 334 | { |
45a187cc | 335 | struct object *o = lookup_unknown_object(the_repository, name); |
c774aab9 | 336 | |
7bd9bcf3 | 337 | if (o->type == OBJ_NONE) { |
0df8e965 | 338 | int type = oid_object_info(the_repository, name, NULL); |
6da43d93 | 339 | if (type < 0 || !object_as_type(o, type, 0)) |
7bd9bcf3 MH |
340 | return PEEL_INVALID; |
341 | } | |
bc5fd6d3 | 342 | |
7bd9bcf3 MH |
343 | if (o->type != OBJ_TAG) |
344 | return PEEL_NON_TAG; | |
e1980c9d | 345 | |
7bd9bcf3 MH |
346 | o = deref_tag_noverify(o); |
347 | if (!o) | |
348 | return PEEL_INVALID; | |
349 | ||
ac2ed0d7 | 350 | oidcpy(oid, &o->oid); |
7bd9bcf3 | 351 | return PEEL_PEELED; |
e1980c9d JH |
352 | } |
353 | ||
7bd9bcf3 MH |
354 | struct warn_if_dangling_data { |
355 | FILE *fp; | |
356 | const char *refname; | |
357 | const struct string_list *refnames; | |
358 | const char *msg_fmt; | |
359 | }; | |
bc5fd6d3 | 360 | |
7bd9bcf3 MH |
361 | static int warn_if_dangling_symref(const char *refname, const struct object_id *oid, |
362 | int flags, void *cb_data) | |
363 | { | |
364 | struct warn_if_dangling_data *d = cb_data; | |
365 | const char *resolves_to; | |
bc5fd6d3 | 366 | |
7bd9bcf3 MH |
367 | if (!(flags & REF_ISSYMREF)) |
368 | return 0; | |
bc5fd6d3 | 369 | |
744c040b | 370 | resolves_to = resolve_ref_unsafe(refname, 0, NULL, NULL); |
7bd9bcf3 MH |
371 | if (!resolves_to |
372 | || (d->refname | |
373 | ? strcmp(resolves_to, d->refname) | |
374 | : !string_list_has_string(d->refnames, resolves_to))) { | |
375 | return 0; | |
376 | } | |
bc5fd6d3 | 377 | |
7bd9bcf3 MH |
378 | fprintf(d->fp, d->msg_fmt, refname); |
379 | fputc('\n', d->fp); | |
380 | return 0; | |
bc5fd6d3 MH |
381 | } |
382 | ||
7bd9bcf3 | 383 | void warn_dangling_symref(FILE *fp, const char *msg_fmt, const char *refname) |
f348ac92 | 384 | { |
7bd9bcf3 MH |
385 | struct warn_if_dangling_data data; |
386 | ||
387 | data.fp = fp; | |
388 | data.refname = refname; | |
389 | data.refnames = NULL; | |
390 | data.msg_fmt = msg_fmt; | |
391 | for_each_rawref(warn_if_dangling_symref, &data); | |
f348ac92 MH |
392 | } |
393 | ||
7bd9bcf3 | 394 | void warn_dangling_symrefs(FILE *fp, const char *msg_fmt, const struct string_list *refnames) |
432ad41e | 395 | { |
7bd9bcf3 | 396 | struct warn_if_dangling_data data; |
432ad41e | 397 | |
7bd9bcf3 MH |
398 | data.fp = fp; |
399 | data.refname = NULL; | |
400 | data.refnames = refnames; | |
401 | data.msg_fmt = msg_fmt; | |
402 | for_each_rawref(warn_if_dangling_symref, &data); | |
432ad41e MH |
403 | } |
404 | ||
7d2df051 NTND |
405 | int refs_for_each_tag_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data) |
406 | { | |
407 | return refs_for_each_ref_in(refs, "refs/tags/", fn, cb_data); | |
408 | } | |
409 | ||
7bd9bcf3 | 410 | int for_each_tag_ref(each_ref_fn fn, void *cb_data) |
432ad41e | 411 | { |
23a3f0cb | 412 | return refs_for_each_tag_ref(get_main_ref_store(the_repository), fn, cb_data); |
432ad41e MH |
413 | } |
414 | ||
7d2df051 NTND |
415 | int refs_for_each_branch_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data) |
416 | { | |
417 | return refs_for_each_ref_in(refs, "refs/heads/", fn, cb_data); | |
432ad41e MH |
418 | } |
419 | ||
7bd9bcf3 | 420 | int for_each_branch_ref(each_ref_fn fn, void *cb_data) |
432ad41e | 421 | { |
23a3f0cb | 422 | return refs_for_each_branch_ref(get_main_ref_store(the_repository), fn, cb_data); |
432ad41e MH |
423 | } |
424 | ||
7d2df051 NTND |
425 | int refs_for_each_remote_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data) |
426 | { | |
427 | return refs_for_each_ref_in(refs, "refs/remotes/", fn, cb_data); | |
202a56a9 | 428 | } |
432ad41e | 429 | |
7bd9bcf3 | 430 | int for_each_remote_ref(each_ref_fn fn, void *cb_data) |
e9c4c111 | 431 | { |
23a3f0cb | 432 | return refs_for_each_remote_ref(get_main_ref_store(the_repository), fn, cb_data); |
202a56a9 MH |
433 | } |
434 | ||
7bd9bcf3 MH |
435 | int head_ref_namespaced(each_ref_fn fn, void *cb_data) |
436 | { | |
437 | struct strbuf buf = STRBUF_INIT; | |
438 | int ret = 0; | |
439 | struct object_id oid; | |
440 | int flag; | |
c774aab9 | 441 | |
7bd9bcf3 | 442 | strbuf_addf(&buf, "%sHEAD", get_git_namespace()); |
34c290a6 | 443 | if (!read_ref_full(buf.buf, RESOLVE_REF_READING, &oid, &flag)) |
7bd9bcf3 MH |
444 | ret = fn(buf.buf, &oid, flag, cb_data); |
445 | strbuf_release(&buf); | |
c774aab9 | 446 | |
7bd9bcf3 | 447 | return ret; |
e9c4c111 | 448 | } |
c774aab9 | 449 | |
65516f58 RA |
450 | void normalize_glob_ref(struct string_list_item *item, const char *prefix, |
451 | const char *pattern) | |
452 | { | |
453 | struct strbuf normalized_pattern = STRBUF_INIT; | |
454 | ||
455 | if (*pattern == '/') | |
456 | BUG("pattern must not start with '/'"); | |
457 | ||
458 | if (prefix) { | |
459 | strbuf_addstr(&normalized_pattern, prefix); | |
460 | } | |
461 | else if (!starts_with(pattern, "refs/")) | |
462 | strbuf_addstr(&normalized_pattern, "refs/"); | |
463 | strbuf_addstr(&normalized_pattern, pattern); | |
464 | strbuf_strip_suffix(&normalized_pattern, "/"); | |
465 | ||
466 | item->string = strbuf_detach(&normalized_pattern, NULL); | |
467 | item->util = has_glob_specials(pattern) ? NULL : item->string; | |
468 | strbuf_release(&normalized_pattern); | |
469 | } | |
470 | ||
7bd9bcf3 MH |
471 | int for_each_glob_ref_in(each_ref_fn fn, const char *pattern, |
472 | const char *prefix, void *cb_data) | |
662428f4 | 473 | { |
7bd9bcf3 MH |
474 | struct strbuf real_pattern = STRBUF_INIT; |
475 | struct ref_filter filter; | |
476 | int ret; | |
d08bae7e | 477 | |
59556548 | 478 | if (!prefix && !starts_with(pattern, "refs/")) |
d08bae7e | 479 | strbuf_addstr(&real_pattern, "refs/"); |
b09fe971 IL |
480 | else if (prefix) |
481 | strbuf_addstr(&real_pattern, prefix); | |
d08bae7e IL |
482 | strbuf_addstr(&real_pattern, pattern); |
483 | ||
894a9d33 | 484 | if (!has_glob_specials(pattern)) { |
9517e6b8 | 485 | /* Append implied '/' '*' if not present. */ |
00b6c178 | 486 | strbuf_complete(&real_pattern, '/'); |
d08bae7e IL |
487 | /* No need to check for '*', there is none. */ |
488 | strbuf_addch(&real_pattern, '*'); | |
489 | } | |
490 | ||
491 | filter.pattern = real_pattern.buf; | |
9ab9b5df | 492 | filter.prefix = prefix; |
d08bae7e IL |
493 | filter.fn = fn; |
494 | filter.cb_data = cb_data; | |
495 | ret = for_each_ref(filter_refs, &filter); | |
496 | ||
497 | strbuf_release(&real_pattern); | |
498 | return ret; | |
499 | } | |
500 | ||
b09fe971 IL |
501 | int for_each_glob_ref(each_ref_fn fn, const char *pattern, void *cb_data) |
502 | { | |
503 | return for_each_glob_ref_in(fn, pattern, NULL, cb_data); | |
504 | } | |
505 | ||
4577e483 | 506 | const char *prettify_refname(const char *name) |
a9c37a72 | 507 | { |
3e5b36c6 SG |
508 | if (skip_prefix(name, "refs/heads/", &name) || |
509 | skip_prefix(name, "refs/tags/", &name) || | |
510 | skip_prefix(name, "refs/remotes/", &name)) | |
511 | ; /* nothing */ | |
512 | return name; | |
a9c37a72 DB |
513 | } |
514 | ||
54457fe5 | 515 | static const char *ref_rev_parse_rules[] = { |
79803322 SP |
516 | "%.*s", |
517 | "refs/%.*s", | |
518 | "refs/tags/%.*s", | |
519 | "refs/heads/%.*s", | |
520 | "refs/remotes/%.*s", | |
521 | "refs/remotes/%.*s/HEAD", | |
522 | NULL | |
523 | }; | |
524 | ||
60650a48 JH |
525 | #define NUM_REV_PARSE_RULES (ARRAY_SIZE(ref_rev_parse_rules) - 1) |
526 | ||
527 | /* | |
528 | * Is it possible that the caller meant full_name with abbrev_name? | |
529 | * If so return a non-zero value to signal "yes"; the magnitude of | |
530 | * the returned value gives the precedence used for disambiguation. | |
531 | * | |
532 | * If abbrev_name cannot mean full_name, return 0. | |
533 | */ | |
54457fe5 | 534 | int refname_match(const char *abbrev_name, const char *full_name) |
79803322 SP |
535 | { |
536 | const char **p; | |
537 | const int abbrev_name_len = strlen(abbrev_name); | |
60650a48 | 538 | const int num_rules = NUM_REV_PARSE_RULES; |
79803322 | 539 | |
60650a48 JH |
540 | for (p = ref_rev_parse_rules; *p; p++) |
541 | if (!strcmp(full_name, mkpath(*p, abbrev_name_len, abbrev_name))) | |
542 | return &ref_rev_parse_rules[num_rules] - p; | |
79803322 SP |
543 | |
544 | return 0; | |
545 | } | |
546 | ||
b4be7410 BW |
547 | /* |
548 | * Given a 'prefix' expand it by the rules in 'ref_rev_parse_rules' and add | |
549 | * the results to 'prefixes' | |
550 | */ | |
c972bf4c | 551 | void expand_ref_prefix(struct strvec *prefixes, const char *prefix) |
b4be7410 BW |
552 | { |
553 | const char **p; | |
554 | int len = strlen(prefix); | |
555 | ||
556 | for (p = ref_rev_parse_rules; *p; p++) | |
c972bf4c | 557 | strvec_pushf(prefixes, *p, len, prefix); |
b4be7410 BW |
558 | } |
559 | ||
675704c7 JS |
560 | static const char default_branch_name_advice[] = N_( |
561 | "Using '%s' as the name for the initial branch. This default branch name\n" | |
562 | "is subject to change. To configure the initial branch name to use in all\n" | |
563 | "of your new repositories, which will suppress this warning, call:\n" | |
564 | "\n" | |
565 | "\tgit config --global init.defaultBranch <name>\n" | |
566 | "\n" | |
567 | "Names commonly chosen instead of 'master' are 'main', 'trunk' and\n" | |
568 | "'development'. The just-created branch can be renamed via this command:\n" | |
569 | "\n" | |
570 | "\tgit branch -m <name>\n" | |
571 | ); | |
572 | ||
cc0f13c5 | 573 | char *repo_default_branch_name(struct repository *r, int quiet) |
8747ebb7 DGW |
574 | { |
575 | const char *config_key = "init.defaultbranch"; | |
576 | const char *config_display_key = "init.defaultBranch"; | |
577 | char *ret = NULL, *full_ref; | |
704fed9e | 578 | const char *env = getenv("GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME"); |
8747ebb7 | 579 | |
704fed9e JS |
580 | if (env && *env) |
581 | ret = xstrdup(env); | |
582 | else if (repo_config_get_string(r, config_key, &ret) < 0) | |
8747ebb7 DGW |
583 | die(_("could not retrieve `%s`"), config_display_key); |
584 | ||
675704c7 | 585 | if (!ret) { |
8747ebb7 | 586 | ret = xstrdup("master"); |
675704c7 JS |
587 | if (!quiet) |
588 | advise(_(default_branch_name_advice), ret); | |
589 | } | |
8747ebb7 DGW |
590 | |
591 | full_ref = xstrfmt("refs/heads/%s", ret); | |
592 | if (check_refname_format(full_ref, 0)) | |
593 | die(_("invalid branch name: %s = %s"), config_display_key, ret); | |
594 | free(full_ref); | |
595 | ||
596 | return ret; | |
597 | } | |
598 | ||
cc0f13c5 | 599 | const char *git_default_branch_name(int quiet) |
8747ebb7 DGW |
600 | { |
601 | static char *ret; | |
602 | ||
603 | if (!ret) | |
cc0f13c5 | 604 | ret = repo_default_branch_name(the_repository, quiet); |
8747ebb7 DGW |
605 | |
606 | return ret; | |
607 | } | |
608 | ||
ff74f7f1 JH |
609 | /* |
610 | * *string and *len will only be substituted, and *string returned (for | |
611 | * later free()ing) if the string passed in is a magic short-hand form | |
612 | * to name a branch. | |
613 | */ | |
8f56e9d4 | 614 | static char *substitute_branch_name(struct repository *r, |
f24c30e0 JT |
615 | const char **string, int *len, |
616 | int nonfatal_dangling_mark) | |
ff74f7f1 JH |
617 | { |
618 | struct strbuf buf = STRBUF_INIT; | |
f24c30e0 JT |
619 | struct interpret_branch_name_options options = { |
620 | .nonfatal_dangling_mark = nonfatal_dangling_mark | |
621 | }; | |
a4f66a78 | 622 | int ret = repo_interpret_branch_name(r, *string, *len, &buf, &options); |
ff74f7f1 JH |
623 | |
624 | if (ret == *len) { | |
625 | size_t size; | |
626 | *string = strbuf_detach(&buf, &size); | |
627 | *len = size; | |
628 | return (char *)*string; | |
629 | } | |
630 | ||
631 | return NULL; | |
632 | } | |
633 | ||
d8984c53 | 634 | int repo_dwim_ref(struct repository *r, const char *str, int len, |
f24c30e0 | 635 | struct object_id *oid, char **ref, int nonfatal_dangling_mark) |
ff74f7f1 | 636 | { |
f24c30e0 JT |
637 | char *last_branch = substitute_branch_name(r, &str, &len, |
638 | nonfatal_dangling_mark); | |
d8984c53 | 639 | int refs_found = expand_ref(r, str, len, oid, ref); |
41da7111 NTND |
640 | free(last_branch); |
641 | return refs_found; | |
642 | } | |
643 | ||
0b1dbf53 NTND |
644 | int expand_ref(struct repository *repo, const char *str, int len, |
645 | struct object_id *oid, char **ref) | |
41da7111 | 646 | { |
ff74f7f1 JH |
647 | const char **p, *r; |
648 | int refs_found = 0; | |
6cd4a898 | 649 | struct strbuf fullref = STRBUF_INIT; |
ff74f7f1 JH |
650 | |
651 | *ref = NULL; | |
652 | for (p = ref_rev_parse_rules; *p; p++) { | |
cca5fa64 | 653 | struct object_id oid_from_ref; |
654 | struct object_id *this_result; | |
ff74f7f1 | 655 | int flag; |
6582bd31 | 656 | struct ref_store *refs = get_main_ref_store(repo); |
ff74f7f1 | 657 | |
cca5fa64 | 658 | this_result = refs_found ? &oid_from_ref : oid; |
6cd4a898 JK |
659 | strbuf_reset(&fullref); |
660 | strbuf_addf(&fullref, *p, len, str); | |
f1da24ca | 661 | r = refs_resolve_ref_unsafe(refs, fullref.buf, |
6582bd31 | 662 | RESOLVE_REF_READING, |
ce14de03 | 663 | this_result, &flag); |
ff74f7f1 JH |
664 | if (r) { |
665 | if (!refs_found++) | |
666 | *ref = xstrdup(r); | |
667 | if (!warn_ambiguous_refs) | |
668 | break; | |
6cd4a898 | 669 | } else if ((flag & REF_ISSYMREF) && strcmp(fullref.buf, "HEAD")) { |
661558f0 | 670 | warning(_("ignoring dangling symref %s"), fullref.buf); |
6cd4a898 | 671 | } else if ((flag & REF_ISBROKEN) && strchr(fullref.buf, '/')) { |
661558f0 | 672 | warning(_("ignoring broken ref %s"), fullref.buf); |
55956350 | 673 | } |
ff74f7f1 | 674 | } |
6cd4a898 | 675 | strbuf_release(&fullref); |
ff74f7f1 JH |
676 | return refs_found; |
677 | } | |
678 | ||
56700903 NTND |
679 | int repo_dwim_log(struct repository *r, const char *str, int len, |
680 | struct object_id *oid, char **log) | |
ff74f7f1 | 681 | { |
56700903 | 682 | struct ref_store *refs = get_main_ref_store(r); |
f24c30e0 | 683 | char *last_branch = substitute_branch_name(r, &str, &len, 0); |
ff74f7f1 JH |
684 | const char **p; |
685 | int logs_found = 0; | |
6cd4a898 | 686 | struct strbuf path = STRBUF_INIT; |
ff74f7f1 JH |
687 | |
688 | *log = NULL; | |
689 | for (p = ref_rev_parse_rules; *p; p++) { | |
334dc52f | 690 | struct object_id hash; |
ff74f7f1 JH |
691 | const char *ref, *it; |
692 | ||
6cd4a898 JK |
693 | strbuf_reset(&path); |
694 | strbuf_addf(&path, *p, len, str); | |
56700903 NTND |
695 | ref = refs_resolve_ref_unsafe(refs, path.buf, |
696 | RESOLVE_REF_READING, | |
ce14de03 | 697 | oid ? &hash : NULL, NULL); |
ff74f7f1 JH |
698 | if (!ref) |
699 | continue; | |
56700903 | 700 | if (refs_reflog_exists(refs, path.buf)) |
6cd4a898 | 701 | it = path.buf; |
56700903 NTND |
702 | else if (strcmp(ref, path.buf) && |
703 | refs_reflog_exists(refs, ref)) | |
ff74f7f1 JH |
704 | it = ref; |
705 | else | |
706 | continue; | |
707 | if (!logs_found++) { | |
708 | *log = xstrdup(it); | |
6f45ec88 ÆAB |
709 | if (oid) |
710 | oidcpy(oid, &hash); | |
ff74f7f1 | 711 | } |
7bd9bcf3 MH |
712 | if (!warn_ambiguous_refs) |
713 | break; | |
c0277d15 | 714 | } |
6cd4a898 | 715 | strbuf_release(&path); |
7bd9bcf3 MH |
716 | free(last_branch); |
717 | return logs_found; | |
2ddb5d17 BK |
718 | } |
719 | ||
56700903 NTND |
720 | int dwim_log(const char *str, int len, struct object_id *oid, char **log) |
721 | { | |
722 | return repo_dwim_log(the_repository, str, len, oid, log); | |
723 | } | |
724 | ||
266b1827 DT |
725 | static int is_per_worktree_ref(const char *refname) |
726 | { | |
55dd8b91 HWN |
727 | return starts_with(refname, "refs/worktree/") || |
728 | starts_with(refname, "refs/bisect/") || | |
729 | starts_with(refname, "refs/rewritten/"); | |
266b1827 DT |
730 | } |
731 | ||
732 | static int is_pseudoref_syntax(const char *refname) | |
733 | { | |
734 | const char *c; | |
735 | ||
736 | for (c = refname; *c; c++) { | |
737 | if (!isupper(*c) && *c != '-' && *c != '_') | |
738 | return 0; | |
739 | } | |
740 | ||
741 | return 1; | |
742 | } | |
743 | ||
3a3b9d8c NTND |
744 | static int is_main_pseudoref_syntax(const char *refname) |
745 | { | |
746 | return skip_prefix(refname, "main-worktree/", &refname) && | |
747 | *refname && | |
748 | is_pseudoref_syntax(refname); | |
749 | } | |
750 | ||
751 | static int is_other_pseudoref_syntax(const char *refname) | |
752 | { | |
753 | if (!skip_prefix(refname, "worktrees/", &refname)) | |
754 | return 0; | |
755 | refname = strchr(refname, '/'); | |
756 | if (!refname || !refname[1]) | |
757 | return 0; | |
758 | return is_pseudoref_syntax(refname + 1); | |
759 | } | |
760 | ||
266b1827 DT |
761 | enum ref_type ref_type(const char *refname) |
762 | { | |
763 | if (is_per_worktree_ref(refname)) | |
764 | return REF_TYPE_PER_WORKTREE; | |
765 | if (is_pseudoref_syntax(refname)) | |
766 | return REF_TYPE_PSEUDOREF; | |
3a3b9d8c NTND |
767 | if (is_main_pseudoref_syntax(refname)) |
768 | return REF_TYPE_MAIN_PSEUDOREF; | |
769 | if (is_other_pseudoref_syntax(refname)) | |
770 | return REF_TYPE_OTHER_PSEUDOREF; | |
5c79f74f | 771 | return REF_TYPE_NORMAL; |
266b1827 DT |
772 | } |
773 | ||
4ff0f01c MH |
774 | long get_files_ref_lock_timeout_ms(void) |
775 | { | |
776 | static int configured = 0; | |
777 | ||
778 | /* The default timeout is 100 ms: */ | |
779 | static int timeout_ms = 100; | |
780 | ||
781 | if (!configured) { | |
782 | git_config_get_int("core.filesreflocktimeout", &timeout_ms); | |
783 | configured = 1; | |
784 | } | |
785 | ||
786 | return timeout_ms; | |
787 | } | |
788 | ||
c0fe4e8b NTND |
789 | int refs_delete_ref(struct ref_store *refs, const char *msg, |
790 | const char *refname, | |
2616a5e5 | 791 | const struct object_id *old_oid, |
c0fe4e8b | 792 | unsigned int flags) |
41b625b0 | 793 | { |
7521cc46 | 794 | struct ref_transaction *transaction; |
a4c653df | 795 | struct strbuf err = STRBUF_INIT; |
8b5157e4 | 796 | |
c6da34a6 | 797 | transaction = ref_store_transaction_begin(refs, &err); |
7521cc46 | 798 | if (!transaction || |
89f3bbdd | 799 | ref_transaction_delete(transaction, refname, old_oid, |
755b49ae | 800 | flags, msg, &err) || |
db7516ab | 801 | ref_transaction_commit(transaction, &err)) { |
7521cc46 RS |
802 | error("%s", err.buf); |
803 | ref_transaction_free(transaction); | |
804 | strbuf_release(&err); | |
c0277d15 | 805 | return 1; |
41b625b0 | 806 | } |
7bd9bcf3 MH |
807 | ref_transaction_free(transaction); |
808 | strbuf_release(&err); | |
b531394d BC |
809 | return 0; |
810 | } | |
41b625b0 | 811 | |
c0fe4e8b | 812 | int delete_ref(const char *msg, const char *refname, |
2616a5e5 | 813 | const struct object_id *old_oid, unsigned int flags) |
c0fe4e8b | 814 | { |
23a3f0cb | 815 | return refs_delete_ref(get_main_ref_store(the_repository), msg, refname, |
2616a5e5 | 816 | old_oid, flags); |
c0fe4e8b NTND |
817 | } |
818 | ||
523fa69c | 819 | static void copy_reflog_msg(struct strbuf *sb, const char *msg) |
0ec29a47 | 820 | { |
0ec29a47 JH |
821 | char c; |
822 | int wasspace = 1; | |
8b5157e4 | 823 | |
0ec29a47 JH |
824 | while ((c = *msg++)) { |
825 | if (wasspace && isspace(c)) | |
826 | continue; | |
827 | wasspace = isspace(c); | |
828 | if (wasspace) | |
829 | c = ' '; | |
80a6c207 | 830 | strbuf_addch(sb, c); |
a4c653df | 831 | } |
80a6c207 | 832 | strbuf_rtrim(sb); |
0ec29a47 | 833 | } |
8b5157e4 | 834 | |
523fa69c JH |
835 | static char *normalize_reflog_message(const char *msg) |
836 | { | |
837 | struct strbuf sb = STRBUF_INIT; | |
838 | ||
839 | if (msg && *msg) | |
840 | copy_reflog_msg(&sb, msg); | |
841 | return strbuf_detach(&sb, NULL); | |
842 | } | |
843 | ||
4cb77009 | 844 | int should_autocreate_reflog(const char *refname) |
4e2bef57 | 845 | { |
341fb286 CW |
846 | switch (log_all_ref_updates) { |
847 | case LOG_REFS_ALWAYS: | |
848 | return 1; | |
849 | case LOG_REFS_NORMAL: | |
850 | return starts_with(refname, "refs/heads/") || | |
851 | starts_with(refname, "refs/remotes/") || | |
852 | starts_with(refname, "refs/notes/") || | |
853 | !strcmp(refname, "HEAD"); | |
854 | default: | |
4e2bef57 | 855 | return 0; |
341fb286 | 856 | } |
4e2bef57 DT |
857 | } |
858 | ||
e7e0f26e | 859 | int is_branch(const char *refname) |
c3b0dec5 | 860 | { |
59556548 | 861 | return !strcmp(refname, "HEAD") || starts_with(refname, "refs/heads/"); |
41b625b0 NP |
862 | } |
863 | ||
4207ed28 RS |
864 | struct read_ref_at_cb { |
865 | const char *refname; | |
dddbad72 | 866 | timestamp_t at_time; |
4207ed28 RS |
867 | int cnt; |
868 | int reccnt; | |
8eb36d94 | 869 | struct object_id *oid; |
4207ed28 RS |
870 | int found_it; |
871 | ||
8eb36d94 | 872 | struct object_id ooid; |
873 | struct object_id noid; | |
4207ed28 | 874 | int tz; |
dddbad72 | 875 | timestamp_t date; |
4207ed28 | 876 | char **msg; |
dddbad72 | 877 | timestamp_t *cutoff_time; |
4207ed28 RS |
878 | int *cutoff_tz; |
879 | int *cutoff_cnt; | |
880 | }; | |
881 | ||
95c2a718 DL |
882 | static void set_read_ref_cutoffs(struct read_ref_at_cb *cb, |
883 | timestamp_t timestamp, int tz, const char *message) | |
884 | { | |
885 | if (cb->msg) | |
886 | *cb->msg = xstrdup(message); | |
887 | if (cb->cutoff_time) | |
888 | *cb->cutoff_time = timestamp; | |
889 | if (cb->cutoff_tz) | |
890 | *cb->cutoff_tz = tz; | |
891 | if (cb->cutoff_cnt) | |
892 | *cb->cutoff_cnt = cb->reccnt; | |
893 | } | |
894 | ||
9461d272 | 895 | static int read_ref_at_ent(struct object_id *ooid, struct object_id *noid, |
dddbad72 | 896 | const char *email, timestamp_t timestamp, int tz, |
4207ed28 RS |
897 | const char *message, void *cb_data) |
898 | { | |
899 | struct read_ref_at_cb *cb = cb_data; | |
6436a202 | 900 | int reached_count; |
4207ed28 | 901 | |
4207ed28 RS |
902 | cb->tz = tz; |
903 | cb->date = timestamp; | |
904 | ||
6436a202 DL |
905 | /* |
906 | * It is not possible for cb->cnt == 0 on the first iteration because | |
907 | * that special case is handled in read_ref_at(). | |
908 | */ | |
909 | if (cb->cnt > 0) | |
910 | cb->cnt--; | |
911 | reached_count = cb->cnt == 0 && !is_null_oid(ooid); | |
912 | if (timestamp <= cb->at_time || reached_count) { | |
95c2a718 | 913 | set_read_ref_cutoffs(cb, timestamp, tz, message); |
4207ed28 | 914 | /* |
78fb4579 | 915 | * we have not yet updated cb->[n|o]oid so they still |
4207ed28 RS |
916 | * hold the values for the previous record. |
917 | */ | |
6436a202 DL |
918 | if (!is_null_oid(&cb->ooid) && !oideq(&cb->ooid, noid)) |
919 | warning(_("log for ref %s has gap after %s"), | |
a5481a6c | 920 | cb->refname, show_date(cb->date, cb->tz, DATE_MODE(RFC2822))); |
6436a202 DL |
921 | if (reached_count) |
922 | oidcpy(cb->oid, ooid); | |
923 | else if (!is_null_oid(&cb->ooid) || cb->date == cb->at_time) | |
8eb36d94 | 924 | oidcpy(cb->oid, noid); |
9001dc2a | 925 | else if (!oideq(noid, cb->oid)) |
661558f0 | 926 | warning(_("log for ref %s unexpectedly ended on %s"), |
4207ed28 | 927 | cb->refname, show_date(cb->date, cb->tz, |
a5481a6c | 928 | DATE_MODE(RFC2822))); |
4207ed28 | 929 | cb->found_it = 1; |
4207ed28 | 930 | } |
95c2a718 | 931 | cb->reccnt++; |
8eb36d94 | 932 | oidcpy(&cb->ooid, ooid); |
933 | oidcpy(&cb->noid, noid); | |
6436a202 DL |
934 | return cb->found_it; |
935 | } | |
936 | ||
937 | static int read_ref_at_ent_newest(struct object_id *ooid, struct object_id *noid, | |
938 | const char *email, timestamp_t timestamp, | |
939 | int tz, const char *message, void *cb_data) | |
940 | { | |
941 | struct read_ref_at_cb *cb = cb_data; | |
942 | ||
943 | set_read_ref_cutoffs(cb, timestamp, tz, message); | |
944 | oidcpy(cb->oid, noid); | |
945 | /* We just want the first entry */ | |
946 | return 1; | |
4207ed28 RS |
947 | } |
948 | ||
9461d272 | 949 | static int read_ref_at_ent_oldest(struct object_id *ooid, struct object_id *noid, |
dddbad72 | 950 | const char *email, timestamp_t timestamp, |
4207ed28 RS |
951 | int tz, const char *message, void *cb_data) |
952 | { | |
953 | struct read_ref_at_cb *cb = cb_data; | |
954 | ||
95c2a718 | 955 | set_read_ref_cutoffs(cb, timestamp, tz, message); |
8eb36d94 | 956 | oidcpy(cb->oid, ooid); |
957 | if (is_null_oid(cb->oid)) | |
958 | oidcpy(cb->oid, noid); | |
4207ed28 RS |
959 | /* We just want the first entry */ |
960 | return 1; | |
16d7cc90 JH |
961 | } |
962 | ||
7fdff474 NTND |
963 | int read_ref_at(struct ref_store *refs, const char *refname, |
964 | unsigned int flags, timestamp_t at_time, int cnt, | |
8eb36d94 | 965 | struct object_id *oid, char **msg, |
dddbad72 | 966 | timestamp_t *cutoff_time, int *cutoff_tz, int *cutoff_cnt) |
d556fae2 | 967 | { |
4207ed28 | 968 | struct read_ref_at_cb cb; |
d556fae2 | 969 | |
4207ed28 RS |
970 | memset(&cb, 0, sizeof(cb)); |
971 | cb.refname = refname; | |
972 | cb.at_time = at_time; | |
973 | cb.cnt = cnt; | |
974 | cb.msg = msg; | |
975 | cb.cutoff_time = cutoff_time; | |
976 | cb.cutoff_tz = cutoff_tz; | |
977 | cb.cutoff_cnt = cutoff_cnt; | |
8eb36d94 | 978 | cb.oid = oid; |
4207ed28 | 979 | |
6436a202 DL |
980 | if (cb.cnt == 0) { |
981 | refs_for_each_reflog_ent_reverse(refs, refname, read_ref_at_ent_newest, &cb); | |
982 | return 0; | |
983 | } | |
984 | ||
7fdff474 | 985 | refs_for_each_reflog_ent_reverse(refs, refname, read_ref_at_ent, &cb); |
4207ed28 | 986 | |
c41a87dd | 987 | if (!cb.reccnt) { |
321c89bf | 988 | if (flags & GET_OID_QUIETLY) |
c41a87dd DA |
989 | exit(128); |
990 | else | |
661558f0 | 991 | die(_("log for %s is empty"), refname); |
c41a87dd | 992 | } |
4207ed28 RS |
993 | if (cb.found_it) |
994 | return 0; | |
995 | ||
7fdff474 | 996 | refs_for_each_reflog_ent(refs, refname, read_ref_at_ent_oldest, &cb); |
d556fae2 | 997 | |
16d7cc90 | 998 | return 1; |
d556fae2 | 999 | } |
2ff81662 | 1000 | |
c0fe4e8b NTND |
1001 | struct ref_transaction *ref_store_transaction_begin(struct ref_store *refs, |
1002 | struct strbuf *err) | |
caa4046c | 1003 | { |
c0fe4e8b | 1004 | struct ref_transaction *tr; |
5a603b04 JN |
1005 | assert(err); |
1006 | ||
ca56dadb | 1007 | CALLOC_ARRAY(tr, 1); |
c0fe4e8b NTND |
1008 | tr->ref_store = refs; |
1009 | return tr; | |
1010 | } | |
1011 | ||
1012 | struct ref_transaction *ref_transaction_begin(struct strbuf *err) | |
1013 | { | |
c6da34a6 | 1014 | return ref_store_transaction_begin(get_main_ref_store(the_repository), err); |
caa4046c MH |
1015 | } |
1016 | ||
026bd1d3 | 1017 | void ref_transaction_free(struct ref_transaction *transaction) |
caa4046c | 1018 | { |
43a2dfde | 1019 | size_t i; |
caa4046c | 1020 | |
1b07255c RS |
1021 | if (!transaction) |
1022 | return; | |
1023 | ||
30173b88 MH |
1024 | switch (transaction->state) { |
1025 | case REF_TRANSACTION_OPEN: | |
1026 | case REF_TRANSACTION_CLOSED: | |
1027 | /* OK */ | |
1028 | break; | |
1029 | case REF_TRANSACTION_PREPARED: | |
033abf97 | 1030 | BUG("free called on a prepared reference transaction"); |
30173b88 MH |
1031 | break; |
1032 | default: | |
033abf97 | 1033 | BUG("unexpected reference transaction state"); |
30173b88 MH |
1034 | break; |
1035 | } | |
1036 | ||
db7516ab RS |
1037 | for (i = 0; i < transaction->nr; i++) { |
1038 | free(transaction->updates[i]->msg); | |
88615910 | 1039 | free(transaction->updates[i]); |
db7516ab | 1040 | } |
caa4046c MH |
1041 | free(transaction->updates); |
1042 | free(transaction); | |
1043 | } | |
1044 | ||
71564516 MH |
1045 | struct ref_update *ref_transaction_add_update( |
1046 | struct ref_transaction *transaction, | |
1047 | const char *refname, unsigned int flags, | |
89f3bbdd | 1048 | const struct object_id *new_oid, |
1049 | const struct object_id *old_oid, | |
71564516 | 1050 | const char *msg) |
caa4046c | 1051 | { |
96ffc06f | 1052 | struct ref_update *update; |
71564516 MH |
1053 | |
1054 | if (transaction->state != REF_TRANSACTION_OPEN) | |
033abf97 | 1055 | BUG("update called for transaction that is not open"); |
71564516 | 1056 | |
96ffc06f | 1057 | FLEX_ALLOC_STR(update, refname, refname); |
caa4046c MH |
1058 | ALLOC_GROW(transaction->updates, transaction->nr + 1, transaction->alloc); |
1059 | transaction->updates[transaction->nr++] = update; | |
71564516 MH |
1060 | |
1061 | update->flags = flags; | |
1062 | ||
1063 | if (flags & REF_HAVE_NEW) | |
89f3bbdd | 1064 | oidcpy(&update->new_oid, new_oid); |
71564516 | 1065 | if (flags & REF_HAVE_OLD) |
89f3bbdd | 1066 | oidcpy(&update->old_oid, old_oid); |
523fa69c | 1067 | update->msg = normalize_reflog_message(msg); |
caa4046c MH |
1068 | return update; |
1069 | } | |
1070 | ||
8e34800e RS |
1071 | int ref_transaction_update(struct ref_transaction *transaction, |
1072 | const char *refname, | |
89f3bbdd | 1073 | const struct object_id *new_oid, |
1074 | const struct object_id *old_oid, | |
1d147bdf | 1075 | unsigned int flags, const char *msg, |
8e34800e | 1076 | struct strbuf *err) |
caa4046c | 1077 | { |
5a603b04 JN |
1078 | assert(err); |
1079 | ||
3c966c7b HWN |
1080 | if (!(flags & REF_SKIP_REFNAME_VERIFICATION) && |
1081 | ((new_oid && !is_null_oid(new_oid)) ? | |
1082 | check_refname_format(refname, REFNAME_ALLOW_ONELEVEL) : | |
1083 | !refname_is_safe(refname))) { | |
661558f0 | 1084 | strbuf_addf(err, _("refusing to update ref with bad name '%s'"), |
d0f810f0 RS |
1085 | refname); |
1086 | return -1; | |
1087 | } | |
1088 | ||
a9bbbcec MH |
1089 | if (flags & ~REF_TRANSACTION_UPDATE_ALLOWED_FLAGS) |
1090 | BUG("illegal flags 0x%x passed to ref_transaction_update()", flags); | |
c788c54c | 1091 | |
49f1eb3b JK |
1092 | /* |
1093 | * Clear flags outside the allowed set; this should be a noop because | |
1094 | * of the BUG() check above, but it works around a -Wnonnull warning | |
1095 | * with some versions of "gcc -O3". | |
1096 | */ | |
1097 | flags &= REF_TRANSACTION_UPDATE_ALLOWED_FLAGS; | |
1098 | ||
89f3bbdd | 1099 | flags |= (new_oid ? REF_HAVE_NEW : 0) | (old_oid ? REF_HAVE_OLD : 0); |
71564516 MH |
1100 | |
1101 | ref_transaction_add_update(transaction, refname, flags, | |
89f3bbdd | 1102 | new_oid, old_oid, msg); |
8e34800e | 1103 | return 0; |
caa4046c MH |
1104 | } |
1105 | ||
b416af5b RS |
1106 | int ref_transaction_create(struct ref_transaction *transaction, |
1107 | const char *refname, | |
89f3bbdd | 1108 | const struct object_id *new_oid, |
fec14ec3 | 1109 | unsigned int flags, const char *msg, |
b416af5b | 1110 | struct strbuf *err) |
caa4046c | 1111 | { |
89f3bbdd | 1112 | if (!new_oid || is_null_oid(new_oid)) |
033abf97 | 1113 | BUG("create called without valid new_oid"); |
89f3bbdd | 1114 | return ref_transaction_update(transaction, refname, new_oid, |
14228447 | 1115 | null_oid(), flags, msg, err); |
caa4046c MH |
1116 | } |
1117 | ||
8c8bdc0d RS |
1118 | int ref_transaction_delete(struct ref_transaction *transaction, |
1119 | const char *refname, | |
89f3bbdd | 1120 | const struct object_id *old_oid, |
fb5a6bb6 | 1121 | unsigned int flags, const char *msg, |
8c8bdc0d | 1122 | struct strbuf *err) |
caa4046c | 1123 | { |
89f3bbdd | 1124 | if (old_oid && is_null_oid(old_oid)) |
033abf97 | 1125 | BUG("delete called with old_oid set to zeros"); |
1d147bdf | 1126 | return ref_transaction_update(transaction, refname, |
14228447 | 1127 | null_oid(), old_oid, |
1d147bdf | 1128 | flags, msg, err); |
caa4046c MH |
1129 | } |
1130 | ||
16180334 MH |
1131 | int ref_transaction_verify(struct ref_transaction *transaction, |
1132 | const char *refname, | |
89f3bbdd | 1133 | const struct object_id *old_oid, |
16180334 MH |
1134 | unsigned int flags, |
1135 | struct strbuf *err) | |
1136 | { | |
89f3bbdd | 1137 | if (!old_oid) |
033abf97 | 1138 | BUG("verify called with old_oid set to NULL"); |
16180334 | 1139 | return ref_transaction_update(transaction, refname, |
89f3bbdd | 1140 | NULL, old_oid, |
16180334 MH |
1141 | flags, NULL, err); |
1142 | } | |
1143 | ||
c0fe4e8b | 1144 | int refs_update_ref(struct ref_store *refs, const char *msg, |
ae077771 | 1145 | const char *refname, const struct object_id *new_oid, |
1146 | const struct object_id *old_oid, unsigned int flags, | |
c0fe4e8b | 1147 | enum action_on_err onerr) |
4738a333 | 1148 | { |
74ec19d4 | 1149 | struct ref_transaction *t = NULL; |
b4d75ac1 | 1150 | struct strbuf err = STRBUF_INIT; |
74ec19d4 | 1151 | int ret = 0; |
b4d75ac1 | 1152 | |
c6da34a6 | 1153 | t = ref_store_transaction_begin(refs, &err); |
09743417 HWN |
1154 | if (!t || |
1155 | ref_transaction_update(t, refname, new_oid, old_oid, flags, msg, | |
1156 | &err) || | |
1157 | ref_transaction_commit(t, &err)) { | |
1158 | ret = 1; | |
1159 | ref_transaction_free(t); | |
74ec19d4 DT |
1160 | } |
1161 | if (ret) { | |
661558f0 | 1162 | const char *str = _("update_ref failed for ref '%s': %s"); |
b4d75ac1 | 1163 | |
b4d75ac1 RS |
1164 | switch (onerr) { |
1165 | case UPDATE_REFS_MSG_ON_ERR: | |
1166 | error(str, refname, err.buf); | |
1167 | break; | |
1168 | case UPDATE_REFS_DIE_ON_ERR: | |
1169 | die(str, refname, err.buf); | |
1170 | break; | |
1171 | case UPDATE_REFS_QUIET_ON_ERR: | |
1172 | break; | |
1173 | } | |
1174 | strbuf_release(&err); | |
4738a333 | 1175 | return 1; |
b4d75ac1 RS |
1176 | } |
1177 | strbuf_release(&err); | |
74ec19d4 DT |
1178 | if (t) |
1179 | ref_transaction_free(t); | |
b4d75ac1 | 1180 | return 0; |
4738a333 BK |
1181 | } |
1182 | ||
c0fe4e8b | 1183 | int update_ref(const char *msg, const char *refname, |
ae077771 | 1184 | const struct object_id *new_oid, |
1185 | const struct object_id *old_oid, | |
c0fe4e8b NTND |
1186 | unsigned int flags, enum action_on_err onerr) |
1187 | { | |
23a3f0cb | 1188 | return refs_update_ref(get_main_ref_store(the_repository), msg, refname, new_oid, |
ae077771 | 1189 | old_oid, flags, onerr); |
c0fe4e8b NTND |
1190 | } |
1191 | ||
546edf37 NTND |
1192 | char *refs_shorten_unambiguous_ref(struct ref_store *refs, |
1193 | const char *refname, int strict) | |
7c2b3029 JK |
1194 | { |
1195 | int i; | |
1196 | static char **scanf_fmts; | |
1197 | static int nr_rules; | |
1198 | char *short_name; | |
6cd4a898 | 1199 | struct strbuf resolved_buf = STRBUF_INIT; |
7c2b3029 | 1200 | |
7c2b3029 | 1201 | if (!nr_rules) { |
4346663a MH |
1202 | /* |
1203 | * Pre-generate scanf formats from ref_rev_parse_rules[]. | |
1204 | * Generate a format suitable for scanf from a | |
1205 | * ref_rev_parse_rules rule by interpolating "%s" at the | |
1206 | * location of the "%.*s". | |
1207 | */ | |
7c2b3029 | 1208 | size_t total_len = 0; |
84d5633f | 1209 | size_t offset = 0; |
7c2b3029 JK |
1210 | |
1211 | /* the rule list is NULL terminated, count them first */ | |
a4165851 | 1212 | for (nr_rules = 0; ref_rev_parse_rules[nr_rules]; nr_rules++) |
7902fe03 MH |
1213 | /* -2 for strlen("%.*s") - strlen("%s"); +1 for NUL */ |
1214 | total_len += strlen(ref_rev_parse_rules[nr_rules]) - 2 + 1; | |
7c2b3029 | 1215 | |
50492f7b | 1216 | scanf_fmts = xmalloc(st_add(st_mult(sizeof(char *), nr_rules), total_len)); |
7c2b3029 | 1217 | |
84d5633f | 1218 | offset = 0; |
7c2b3029 | 1219 | for (i = 0; i < nr_rules; i++) { |
4346663a | 1220 | assert(offset < total_len); |
84d5633f | 1221 | scanf_fmts[i] = (char *)&scanf_fmts[nr_rules] + offset; |
bf4baf1f JK |
1222 | offset += xsnprintf(scanf_fmts[i], total_len - offset, |
1223 | ref_rev_parse_rules[i], 2, "%s") + 1; | |
7c2b3029 JK |
1224 | } |
1225 | } | |
1226 | ||
1227 | /* bail out if there are no rules */ | |
1228 | if (!nr_rules) | |
dfefa935 | 1229 | return xstrdup(refname); |
7c2b3029 | 1230 | |
dfefa935 MH |
1231 | /* buffer for scanf result, at most refname must fit */ |
1232 | short_name = xstrdup(refname); | |
7c2b3029 JK |
1233 | |
1234 | /* skip first rule, it will always match */ | |
1235 | for (i = nr_rules - 1; i > 0 ; --i) { | |
1236 | int j; | |
6e7b3309 | 1237 | int rules_to_fail = i; |
7c2b3029 JK |
1238 | int short_name_len; |
1239 | ||
dfefa935 | 1240 | if (1 != sscanf(refname, scanf_fmts[i], short_name)) |
7c2b3029 JK |
1241 | continue; |
1242 | ||
1243 | short_name_len = strlen(short_name); | |
1244 | ||
6e7b3309 BW |
1245 | /* |
1246 | * in strict mode, all (except the matched one) rules | |
1247 | * must fail to resolve to a valid non-ambiguous ref | |
1248 | */ | |
1249 | if (strict) | |
1250 | rules_to_fail = nr_rules; | |
1251 | ||
7c2b3029 JK |
1252 | /* |
1253 | * check if the short name resolves to a valid ref, | |
1254 | * but use only rules prior to the matched one | |
1255 | */ | |
6e7b3309 | 1256 | for (j = 0; j < rules_to_fail; j++) { |
7c2b3029 | 1257 | const char *rule = ref_rev_parse_rules[j]; |
7c2b3029 | 1258 | |
6e7b3309 BW |
1259 | /* skip matched rule */ |
1260 | if (i == j) | |
1261 | continue; | |
1262 | ||
7c2b3029 JK |
1263 | /* |
1264 | * the short name is ambiguous, if it resolves | |
1265 | * (with this previous rule) to a valid ref | |
1266 | * read_ref() returns 0 on success | |
1267 | */ | |
6cd4a898 JK |
1268 | strbuf_reset(&resolved_buf); |
1269 | strbuf_addf(&resolved_buf, rule, | |
1270 | short_name_len, short_name); | |
546edf37 | 1271 | if (refs_ref_exists(refs, resolved_buf.buf)) |
7c2b3029 JK |
1272 | break; |
1273 | } | |
1274 | ||
1275 | /* | |
1276 | * short name is non-ambiguous if all previous rules | |
1277 | * haven't resolved to a valid ref | |
1278 | */ | |
6cd4a898 JK |
1279 | if (j == rules_to_fail) { |
1280 | strbuf_release(&resolved_buf); | |
7c2b3029 | 1281 | return short_name; |
6cd4a898 | 1282 | } |
7c2b3029 JK |
1283 | } |
1284 | ||
6cd4a898 | 1285 | strbuf_release(&resolved_buf); |
7c2b3029 | 1286 | free(short_name); |
dfefa935 | 1287 | return xstrdup(refname); |
7c2b3029 | 1288 | } |
daebaa78 | 1289 | |
546edf37 NTND |
1290 | char *shorten_unambiguous_ref(const char *refname, int strict) |
1291 | { | |
1292 | return refs_shorten_unambiguous_ref(get_main_ref_store(the_repository), | |
1293 | refname, strict); | |
1294 | } | |
1295 | ||
daebaa78 JH |
1296 | static struct string_list *hide_refs; |
1297 | ||
1298 | int parse_hide_refs_config(const char *var, const char *value, const char *section) | |
1299 | { | |
ad8c7cda | 1300 | const char *key; |
daebaa78 | 1301 | if (!strcmp("transfer.hiderefs", var) || |
ad8c7cda JK |
1302 | (!parse_config_key(var, section, NULL, NULL, &key) && |
1303 | !strcmp(key, "hiderefs"))) { | |
daebaa78 JH |
1304 | char *ref; |
1305 | int len; | |
1306 | ||
1307 | if (!value) | |
1308 | return config_error_nonbool(var); | |
1309 | ref = xstrdup(value); | |
1310 | len = strlen(ref); | |
1311 | while (len && ref[len - 1] == '/') | |
1312 | ref[--len] = '\0'; | |
1313 | if (!hide_refs) { | |
ca56dadb | 1314 | CALLOC_ARRAY(hide_refs, 1); |
daebaa78 JH |
1315 | hide_refs->strdup_strings = 1; |
1316 | } | |
1317 | string_list_append(hide_refs, ref); | |
1318 | } | |
1319 | return 0; | |
1320 | } | |
1321 | ||
78a766ab | 1322 | int ref_is_hidden(const char *refname, const char *refname_full) |
daebaa78 | 1323 | { |
2bc31d16 | 1324 | int i; |
daebaa78 JH |
1325 | |
1326 | if (!hide_refs) | |
1327 | return 0; | |
2bc31d16 JK |
1328 | for (i = hide_refs->nr - 1; i >= 0; i--) { |
1329 | const char *match = hide_refs->items[i].string; | |
78a766ab | 1330 | const char *subject; |
2bc31d16 | 1331 | int neg = 0; |
7a40a95e | 1332 | const char *p; |
2bc31d16 JK |
1333 | |
1334 | if (*match == '!') { | |
1335 | neg = 1; | |
1336 | match++; | |
1337 | } | |
1338 | ||
78a766ab LF |
1339 | if (*match == '^') { |
1340 | subject = refname_full; | |
1341 | match++; | |
1342 | } else { | |
1343 | subject = refname; | |
1344 | } | |
1345 | ||
1346 | /* refname can be NULL when namespaces are used. */ | |
7a40a95e CC |
1347 | if (subject && |
1348 | skip_prefix(subject, match, &p) && | |
1349 | (!*p || *p == '/')) | |
2bc31d16 | 1350 | return !neg; |
daebaa78 JH |
1351 | } |
1352 | return 0; | |
1353 | } | |
fa5b1830 | 1354 | |
0845122c DT |
1355 | const char *find_descendant_ref(const char *dirname, |
1356 | const struct string_list *extras, | |
1357 | const struct string_list *skip) | |
fa5b1830 | 1358 | { |
0845122c | 1359 | int pos; |
fa5b1830 | 1360 | |
0845122c DT |
1361 | if (!extras) |
1362 | return NULL; | |
fa5b1830 MH |
1363 | |
1364 | /* | |
0845122c DT |
1365 | * Look at the place where dirname would be inserted into |
1366 | * extras. If there is an entry at that position that starts | |
1367 | * with dirname (remember, dirname includes the trailing | |
1368 | * slash) and is not in skip, then we have a conflict. | |
fa5b1830 | 1369 | */ |
0845122c DT |
1370 | for (pos = string_list_find_insert_index(extras, dirname, 0); |
1371 | pos < extras->nr; pos++) { | |
1372 | const char *extra_refname = extras->items[pos].string; | |
fa5b1830 | 1373 | |
0845122c DT |
1374 | if (!starts_with(extra_refname, dirname)) |
1375 | break; | |
1376 | ||
1377 | if (!skip || !string_list_has_string(skip, extra_refname)) | |
1378 | return extra_refname; | |
fa5b1830 | 1379 | } |
0845122c DT |
1380 | return NULL; |
1381 | } | |
fa5b1830 | 1382 | |
62f0b399 | 1383 | int refs_head_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data) |
2bf68ed5 DT |
1384 | { |
1385 | struct object_id oid; | |
1386 | int flag; | |
1387 | ||
f1da24ca | 1388 | if (refs_resolve_ref_unsafe(refs, "HEAD", RESOLVE_REF_READING, |
ce14de03 | 1389 | &oid, &flag)) |
2bf68ed5 DT |
1390 | return fn("HEAD", &oid, flag, cb_data); |
1391 | ||
1392 | return 0; | |
1393 | } | |
1394 | ||
1395 | int head_ref(each_ref_fn fn, void *cb_data) | |
1396 | { | |
23a3f0cb | 1397 | return refs_head_ref(get_main_ref_store(the_repository), fn, cb_data); |
2bf68ed5 | 1398 | } |
93770590 | 1399 | |
e121b9cb MH |
1400 | struct ref_iterator *refs_ref_iterator_begin( |
1401 | struct ref_store *refs, | |
9aab952e JK |
1402 | const char *prefix, int trim, |
1403 | enum do_for_each_ref_flags flags) | |
e121b9cb MH |
1404 | { |
1405 | struct ref_iterator *iter; | |
1406 | ||
6d751be4 | 1407 | if (!(flags & DO_FOR_EACH_INCLUDE_BROKEN)) { |
5d1f5b8c JK |
1408 | static int ref_paranoia = -1; |
1409 | ||
6d751be4 | 1410 | if (ref_paranoia < 0) |
968f12fd | 1411 | ref_paranoia = git_env_bool("GIT_REF_PARANOIA", 1); |
6d751be4 JK |
1412 | if (ref_paranoia) { |
1413 | flags |= DO_FOR_EACH_INCLUDE_BROKEN; | |
1414 | flags |= DO_FOR_EACH_OMIT_DANGLING_SYMREFS; | |
1415 | } | |
1416 | } | |
0a0865b8 | 1417 | |
e121b9cb | 1418 | iter = refs->be->iterator_begin(refs, prefix, flags); |
c7599718 MH |
1419 | |
1420 | /* | |
1421 | * `iterator_begin()` already takes care of prefix, but we | |
1422 | * might need to do some trimming: | |
1423 | */ | |
1424 | if (trim) | |
1425 | iter = prefix_ref_iterator_begin(iter, "", trim); | |
e121b9cb | 1426 | |
8738a8a4 MH |
1427 | /* Sanity check for subclasses: */ |
1428 | if (!iter->ordered) | |
1429 | BUG("reference iterator is not ordered"); | |
1430 | ||
e121b9cb MH |
1431 | return iter; |
1432 | } | |
1433 | ||
4c4de895 MH |
1434 | /* |
1435 | * Call fn for each reference in the specified submodule for which the | |
1436 | * refname begins with prefix. If trim is non-zero, then trim that | |
1437 | * many characters off the beginning of each refname before passing | |
1438 | * the refname to fn. flags can be DO_FOR_EACH_INCLUDE_BROKEN to | |
1439 | * include broken references in the iteration. If fn ever returns a | |
1440 | * non-zero value, stop the iteration and return that value; | |
1441 | * otherwise, return 0. | |
1442 | */ | |
4a6067cd SB |
1443 | static int do_for_each_repo_ref(struct repository *r, const char *prefix, |
1444 | each_repo_ref_fn fn, int trim, int flags, | |
1445 | void *cb_data) | |
1446 | { | |
1447 | struct ref_iterator *iter; | |
1448 | struct ref_store *refs = get_main_ref_store(r); | |
1449 | ||
1450 | if (!refs) | |
1451 | return 0; | |
1452 | ||
1453 | iter = refs_ref_iterator_begin(refs, prefix, trim, flags); | |
1454 | ||
1455 | return do_for_each_repo_ref_iterator(r, iter, fn, cb_data); | |
1456 | } | |
1457 | ||
1458 | struct do_for_each_ref_help { | |
1459 | each_ref_fn *fn; | |
1460 | void *cb_data; | |
1461 | }; | |
1462 | ||
1463 | static int do_for_each_ref_helper(struct repository *r, | |
1464 | const char *refname, | |
1465 | const struct object_id *oid, | |
1466 | int flags, | |
1467 | void *cb_data) | |
1468 | { | |
1469 | struct do_for_each_ref_help *hp = cb_data; | |
1470 | ||
1471 | return hp->fn(refname, oid, flags, hp->cb_data); | |
1472 | } | |
1473 | ||
7d2df051 | 1474 | static int do_for_each_ref(struct ref_store *refs, const char *prefix, |
9aab952e JK |
1475 | each_ref_fn fn, int trim, |
1476 | enum do_for_each_ref_flags flags, void *cb_data) | |
4c4de895 MH |
1477 | { |
1478 | struct ref_iterator *iter; | |
4a6067cd | 1479 | struct do_for_each_ref_help hp = { fn, cb_data }; |
4c4de895 | 1480 | |
00eebe35 MH |
1481 | if (!refs) |
1482 | return 0; | |
1483 | ||
e121b9cb | 1484 | iter = refs_ref_iterator_begin(refs, prefix, trim, flags); |
4c4de895 | 1485 | |
4a6067cd SB |
1486 | return do_for_each_repo_ref_iterator(the_repository, iter, |
1487 | do_for_each_ref_helper, &hp); | |
4c4de895 MH |
1488 | } |
1489 | ||
7d2df051 NTND |
1490 | int refs_for_each_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data) |
1491 | { | |
1492 | return do_for_each_ref(refs, "", fn, 0, 0, cb_data); | |
1493 | } | |
1494 | ||
93770590 DT |
1495 | int for_each_ref(each_ref_fn fn, void *cb_data) |
1496 | { | |
23a3f0cb | 1497 | return refs_for_each_ref(get_main_ref_store(the_repository), fn, cb_data); |
93770590 DT |
1498 | } |
1499 | ||
7d2df051 NTND |
1500 | int refs_for_each_ref_in(struct ref_store *refs, const char *prefix, |
1501 | each_ref_fn fn, void *cb_data) | |
1502 | { | |
1503 | return do_for_each_ref(refs, prefix, fn, strlen(prefix), 0, cb_data); | |
93770590 DT |
1504 | } |
1505 | ||
1506 | int for_each_ref_in(const char *prefix, each_ref_fn fn, void *cb_data) | |
1507 | { | |
23a3f0cb | 1508 | return refs_for_each_ref_in(get_main_ref_store(the_repository), prefix, fn, cb_data); |
93770590 DT |
1509 | } |
1510 | ||
67985e4e | 1511 | int for_each_fullref_in(const char *prefix, each_ref_fn fn, void *cb_data) |
93770590 | 1512 | { |
23a3f0cb | 1513 | return do_for_each_ref(get_main_ref_store(the_repository), |
67985e4e | 1514 | prefix, fn, 0, 0, cb_data); |
93770590 DT |
1515 | } |
1516 | ||
073cf63c | 1517 | int refs_for_each_fullref_in(struct ref_store *refs, const char *prefix, |
67985e4e | 1518 | each_ref_fn fn, void *cb_data) |
03df567f | 1519 | { |
67985e4e | 1520 | return do_for_each_ref(refs, prefix, fn, 0, 0, cb_data); |
03df567f MH |
1521 | } |
1522 | ||
212e0f7e | 1523 | int for_each_replace_ref(struct repository *r, each_repo_ref_fn fn, void *cb_data) |
93770590 | 1524 | { |
212e0f7e SB |
1525 | return do_for_each_repo_ref(r, git_replace_ref_base, fn, |
1526 | strlen(git_replace_ref_base), | |
1527 | DO_FOR_EACH_INCLUDE_BROKEN, cb_data); | |
93770590 DT |
1528 | } |
1529 | ||
1530 | int for_each_namespaced_ref(each_ref_fn fn, void *cb_data) | |
1531 | { | |
1532 | struct strbuf buf = STRBUF_INIT; | |
1533 | int ret; | |
1534 | strbuf_addf(&buf, "%srefs/", get_git_namespace()); | |
23a3f0cb | 1535 | ret = do_for_each_ref(get_main_ref_store(the_repository), |
7d2df051 | 1536 | buf.buf, fn, 0, 0, cb_data); |
93770590 DT |
1537 | strbuf_release(&buf); |
1538 | return ret; | |
1539 | } | |
1540 | ||
7d2df051 | 1541 | int refs_for_each_rawref(struct ref_store *refs, each_ref_fn fn, void *cb_data) |
93770590 | 1542 | { |
7d2df051 | 1543 | return do_for_each_ref(refs, "", fn, 0, |
93770590 DT |
1544 | DO_FOR_EACH_INCLUDE_BROKEN, cb_data); |
1545 | } | |
2d0663b2 | 1546 | |
7d2df051 NTND |
1547 | int for_each_rawref(each_ref_fn fn, void *cb_data) |
1548 | { | |
23a3f0cb | 1549 | return refs_for_each_rawref(get_main_ref_store(the_repository), fn, cb_data); |
7d2df051 NTND |
1550 | } |
1551 | ||
16b1985b TB |
1552 | static int qsort_strcmp(const void *va, const void *vb) |
1553 | { | |
1554 | const char *a = *(const char **)va; | |
1555 | const char *b = *(const char **)vb; | |
1556 | ||
1557 | return strcmp(a, b); | |
1558 | } | |
1559 | ||
1560 | static void find_longest_prefixes_1(struct string_list *out, | |
1561 | struct strbuf *prefix, | |
1562 | const char **patterns, size_t nr) | |
1563 | { | |
1564 | size_t i; | |
1565 | ||
1566 | for (i = 0; i < nr; i++) { | |
1567 | char c = patterns[i][prefix->len]; | |
1568 | if (!c || is_glob_special(c)) { | |
1569 | string_list_append(out, prefix->buf); | |
1570 | return; | |
1571 | } | |
1572 | } | |
1573 | ||
1574 | i = 0; | |
1575 | while (i < nr) { | |
1576 | size_t end; | |
1577 | ||
1578 | /* | |
1579 | * Set "end" to the index of the element _after_ the last one | |
1580 | * in our group. | |
1581 | */ | |
1582 | for (end = i + 1; end < nr; end++) { | |
1583 | if (patterns[i][prefix->len] != patterns[end][prefix->len]) | |
1584 | break; | |
1585 | } | |
1586 | ||
1587 | strbuf_addch(prefix, patterns[i][prefix->len]); | |
1588 | find_longest_prefixes_1(out, prefix, patterns + i, end - i); | |
1589 | strbuf_setlen(prefix, prefix->len - 1); | |
1590 | ||
1591 | i = end; | |
1592 | } | |
1593 | } | |
1594 | ||
1595 | static void find_longest_prefixes(struct string_list *out, | |
1596 | const char **patterns) | |
1597 | { | |
1598 | struct strvec sorted = STRVEC_INIT; | |
1599 | struct strbuf prefix = STRBUF_INIT; | |
1600 | ||
1601 | strvec_pushv(&sorted, patterns); | |
1602 | QSORT(sorted.v, sorted.nr, qsort_strcmp); | |
1603 | ||
1604 | find_longest_prefixes_1(out, &prefix, sorted.v, sorted.nr); | |
1605 | ||
1606 | strvec_clear(&sorted); | |
1607 | strbuf_release(&prefix); | |
1608 | } | |
1609 | ||
1610 | int for_each_fullref_in_prefixes(const char *namespace, | |
1611 | const char **patterns, | |
67985e4e | 1612 | each_ref_fn fn, void *cb_data) |
16b1985b TB |
1613 | { |
1614 | struct string_list prefixes = STRING_LIST_INIT_DUP; | |
1615 | struct string_list_item *prefix; | |
1616 | struct strbuf buf = STRBUF_INIT; | |
1617 | int ret = 0, namespace_len; | |
1618 | ||
1619 | find_longest_prefixes(&prefixes, patterns); | |
1620 | ||
1621 | if (namespace) | |
1622 | strbuf_addstr(&buf, namespace); | |
1623 | namespace_len = buf.len; | |
1624 | ||
1625 | for_each_string_list_item(prefix, &prefixes) { | |
1626 | strbuf_addstr(&buf, prefix->string); | |
67985e4e | 1627 | ret = for_each_fullref_in(buf.buf, fn, cb_data); |
16b1985b TB |
1628 | if (ret) |
1629 | break; | |
1630 | strbuf_setlen(&buf, namespace_len); | |
1631 | } | |
1632 | ||
1633 | string_list_clear(&prefixes, 0); | |
1634 | strbuf_release(&buf); | |
1635 | return ret; | |
1636 | } | |
1637 | ||
e8115302 HWN |
1638 | static int refs_read_special_head(struct ref_store *ref_store, |
1639 | const char *refname, struct object_id *oid, | |
df3458e9 HWN |
1640 | struct strbuf *referent, unsigned int *type, |
1641 | int *failure_errno) | |
e8115302 HWN |
1642 | { |
1643 | struct strbuf full_path = STRBUF_INIT; | |
1644 | struct strbuf content = STRBUF_INIT; | |
1645 | int result = -1; | |
1646 | strbuf_addf(&full_path, "%s/%s", ref_store->gitdir, refname); | |
1647 | ||
1648 | if (strbuf_read_file(&content, full_path.buf, 0) < 0) | |
1649 | goto done; | |
1650 | ||
df3458e9 HWN |
1651 | result = parse_loose_ref_contents(content.buf, oid, referent, type, |
1652 | failure_errno); | |
e8115302 HWN |
1653 | |
1654 | done: | |
1655 | strbuf_release(&full_path); | |
1656 | strbuf_release(&content); | |
1657 | return result; | |
1658 | } | |
1659 | ||
8b72fea7 HWN |
1660 | int refs_read_raw_ref(struct ref_store *ref_store, const char *refname, |
1661 | struct object_id *oid, struct strbuf *referent, | |
1662 | unsigned int *type, int *failure_errno) | |
470be518 | 1663 | { |
8b72fea7 | 1664 | assert(failure_errno); |
e8115302 HWN |
1665 | if (!strcmp(refname, "FETCH_HEAD") || !strcmp(refname, "MERGE_HEAD")) { |
1666 | return refs_read_special_head(ref_store, refname, oid, referent, | |
df3458e9 | 1667 | type, failure_errno); |
e8115302 HWN |
1668 | } |
1669 | ||
1670 | return ref_store->be->read_raw_ref(ref_store, refname, oid, referent, | |
8b72fea7 | 1671 | type, failure_errno); |
470be518 MH |
1672 | } |
1673 | ||
cd475b3b PS |
1674 | int refs_read_symbolic_ref(struct ref_store *ref_store, const char *refname, |
1675 | struct strbuf *referent) | |
1676 | { | |
5b875404 | 1677 | return ref_store->be->read_symbolic_ref(ref_store, refname, referent); |
cd475b3b PS |
1678 | } |
1679 | ||
7d2df051 | 1680 | const char *refs_resolve_ref_unsafe(struct ref_store *refs, |
3c0cb0cb MH |
1681 | const char *refname, |
1682 | int resolve_flags, | |
ef18119d | 1683 | struct object_id *oid, |
ce14de03 | 1684 | int *flags) |
2d0663b2 DT |
1685 | { |
1686 | static struct strbuf sb_refname = STRBUF_INIT; | |
54fad661 | 1687 | struct object_id unused_oid; |
2d0663b2 DT |
1688 | int unused_flags; |
1689 | int symref_count; | |
1690 | ||
49e61479 | 1691 | if (!oid) |
1692 | oid = &unused_oid; | |
2d0663b2 DT |
1693 | if (!flags) |
1694 | flags = &unused_flags; | |
1695 | ||
1696 | *flags = 0; | |
1697 | ||
1698 | if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL)) { | |
1699 | if (!(resolve_flags & RESOLVE_REF_ALLOW_BAD_NAME) || | |
ce14de03 | 1700 | !refname_is_safe(refname)) |
2d0663b2 | 1701 | return NULL; |
2d0663b2 DT |
1702 | |
1703 | /* | |
1704 | * dwim_ref() uses REF_ISBROKEN to distinguish between | |
1705 | * missing refs and refs that were present but invalid, | |
1706 | * to complain about the latter to stderr. | |
1707 | * | |
1708 | * We don't know whether the ref exists, so don't set | |
1709 | * REF_ISBROKEN yet. | |
1710 | */ | |
1711 | *flags |= REF_BAD_NAME; | |
1712 | } | |
1713 | ||
1714 | for (symref_count = 0; symref_count < SYMREF_MAXDEPTH; symref_count++) { | |
1715 | unsigned int read_flags = 0; | |
ce14de03 | 1716 | int failure_errno; |
2d0663b2 | 1717 | |
8b72fea7 | 1718 | if (refs_read_raw_ref(refs, refname, oid, &sb_refname, |
ce14de03 | 1719 | &read_flags, &failure_errno)) { |
2d0663b2 | 1720 | *flags |= read_flags; |
a1c1d817 JK |
1721 | |
1722 | /* In reading mode, refs must eventually resolve */ | |
1723 | if (resolve_flags & RESOLVE_REF_READING) | |
1724 | return NULL; | |
1725 | ||
1726 | /* | |
1727 | * Otherwise a missing ref is OK. But the files backend | |
1728 | * may show errors besides ENOENT if there are | |
1729 | * similarly-named refs. | |
1730 | */ | |
ce14de03 ÆAB |
1731 | if (failure_errno != ENOENT && |
1732 | failure_errno != EISDIR && | |
1733 | failure_errno != ENOTDIR) | |
2d0663b2 | 1734 | return NULL; |
a1c1d817 | 1735 | |
49e61479 | 1736 | oidclr(oid); |
2d0663b2 DT |
1737 | if (*flags & REF_BAD_NAME) |
1738 | *flags |= REF_ISBROKEN; | |
1739 | return refname; | |
1740 | } | |
1741 | ||
1742 | *flags |= read_flags; | |
1743 | ||
1744 | if (!(read_flags & REF_ISSYMREF)) { | |
1745 | if (*flags & REF_BAD_NAME) { | |
49e61479 | 1746 | oidclr(oid); |
2d0663b2 DT |
1747 | *flags |= REF_ISBROKEN; |
1748 | } | |
1749 | return refname; | |
1750 | } | |
1751 | ||
1752 | refname = sb_refname.buf; | |
1753 | if (resolve_flags & RESOLVE_REF_NO_RECURSE) { | |
49e61479 | 1754 | oidclr(oid); |
2d0663b2 DT |
1755 | return refname; |
1756 | } | |
1757 | if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL)) { | |
1758 | if (!(resolve_flags & RESOLVE_REF_ALLOW_BAD_NAME) || | |
ce14de03 | 1759 | !refname_is_safe(refname)) |
2d0663b2 | 1760 | return NULL; |
2d0663b2 DT |
1761 | |
1762 | *flags |= REF_ISBROKEN | REF_BAD_NAME; | |
1763 | } | |
1764 | } | |
1765 | ||
2d0663b2 DT |
1766 | return NULL; |
1767 | } | |
00eebe35 | 1768 | |
6fb5acfd DT |
1769 | /* backend functions */ |
1770 | int refs_init_db(struct strbuf *err) | |
1771 | { | |
23a3f0cb | 1772 | struct ref_store *refs = get_main_ref_store(the_repository); |
6fb5acfd DT |
1773 | |
1774 | return refs->be->init_db(refs, err); | |
1775 | } | |
1776 | ||
bd40dcda | 1777 | const char *resolve_ref_unsafe(const char *refname, int resolve_flags, |
49e61479 | 1778 | struct object_id *oid, int *flags) |
bd40dcda | 1779 | { |
23a3f0cb | 1780 | return refs_resolve_ref_unsafe(get_main_ref_store(the_repository), refname, |
ce14de03 | 1781 | resolve_flags, oid, flags); |
bd40dcda MH |
1782 | } |
1783 | ||
a8355bb7 | 1784 | int resolve_gitlink_ref(const char *submodule, const char *refname, |
a98e6101 | 1785 | struct object_id *oid) |
424dcc76 | 1786 | { |
424dcc76 MH |
1787 | struct ref_store *refs; |
1788 | int flags; | |
1789 | ||
29babbee | 1790 | refs = get_submodule_ref_store(submodule); |
48a8475f | 1791 | |
424dcc76 MH |
1792 | if (!refs) |
1793 | return -1; | |
1794 | ||
ce14de03 ÆAB |
1795 | if (!refs_resolve_ref_unsafe(refs, refname, 0, oid, &flags) || |
1796 | is_null_oid(oid)) | |
424dcc76 MH |
1797 | return -1; |
1798 | return 0; | |
1799 | } | |
1800 | ||
0c064d90 | 1801 | struct ref_store_hash_entry |
7d4558c4 | 1802 | { |
e2b5038d | 1803 | struct hashmap_entry ent; |
7d4558c4 MH |
1804 | |
1805 | struct ref_store *refs; | |
1806 | ||
0c064d90 NTND |
1807 | /* NUL-terminated identifier of the ref store: */ |
1808 | char name[FLEX_ARRAY]; | |
7d4558c4 MH |
1809 | }; |
1810 | ||
7663cdc8 | 1811 | static int ref_store_hash_cmp(const void *unused_cmp_data, |
939af16e EW |
1812 | const struct hashmap_entry *eptr, |
1813 | const struct hashmap_entry *entry_or_key, | |
7d4558c4 MH |
1814 | const void *keydata) |
1815 | { | |
939af16e EW |
1816 | const struct ref_store_hash_entry *e1, *e2; |
1817 | const char *name; | |
1818 | ||
1819 | e1 = container_of(eptr, const struct ref_store_hash_entry, ent); | |
1820 | e2 = container_of(entry_or_key, const struct ref_store_hash_entry, ent); | |
1821 | name = keydata ? keydata : e2->name; | |
7d4558c4 | 1822 | |
0c064d90 | 1823 | return strcmp(e1->name, name); |
7d4558c4 MH |
1824 | } |
1825 | ||
0c064d90 NTND |
1826 | static struct ref_store_hash_entry *alloc_ref_store_hash_entry( |
1827 | const char *name, struct ref_store *refs) | |
7d4558c4 | 1828 | { |
0c064d90 | 1829 | struct ref_store_hash_entry *entry; |
7d4558c4 | 1830 | |
0c064d90 | 1831 | FLEX_ALLOC_STR(entry, name, name); |
d22245a2 | 1832 | hashmap_entry_init(&entry->ent, strhash(name)); |
7d4558c4 MH |
1833 | entry->refs = refs; |
1834 | return entry; | |
1835 | } | |
1836 | ||
7d4558c4 MH |
1837 | /* A hashmap of ref_stores, stored by submodule name: */ |
1838 | static struct hashmap submodule_ref_stores; | |
00eebe35 | 1839 | |
17eff96b NTND |
1840 | /* A hashmap of ref_stores, stored by worktree id: */ |
1841 | static struct hashmap worktree_ref_stores; | |
1842 | ||
c468da4e | 1843 | /* |
0c064d90 NTND |
1844 | * Look up a ref store by name. If that ref_store hasn't been |
1845 | * registered yet, return NULL. | |
c468da4e | 1846 | */ |
0c064d90 NTND |
1847 | static struct ref_store *lookup_ref_store_map(struct hashmap *map, |
1848 | const char *name) | |
00eebe35 | 1849 | { |
0c064d90 | 1850 | struct ref_store_hash_entry *entry; |
f23a4651 | 1851 | unsigned int hash; |
00eebe35 | 1852 | |
0c064d90 | 1853 | if (!map->tablesize) |
7d4558c4 MH |
1854 | /* It's initialized on demand in register_ref_store(). */ |
1855 | return NULL; | |
620a66b9 | 1856 | |
f23a4651 EW |
1857 | hash = strhash(name); |
1858 | entry = hashmap_get_entry_from_hash(map, hash, name, | |
1859 | struct ref_store_hash_entry, ent); | |
7d4558c4 | 1860 | return entry ? entry->refs : NULL; |
00eebe35 MH |
1861 | } |
1862 | ||
c468da4e MH |
1863 | /* |
1864 | * Create, record, and return a ref_store instance for the specified | |
5d0bc90e | 1865 | * gitdir. |
c468da4e | 1866 | */ |
34224e14 JT |
1867 | static struct ref_store *ref_store_init(struct repository *repo, |
1868 | const char *gitdir, | |
9e7ec634 | 1869 | unsigned int flags) |
00eebe35 MH |
1870 | { |
1871 | const char *be_name = "files"; | |
1872 | struct ref_storage_be *be = find_ref_storage_backend(be_name); | |
ba88add5 | 1873 | struct ref_store *refs; |
00eebe35 MH |
1874 | |
1875 | if (!be) | |
033abf97 | 1876 | BUG("reference backend %s is unknown", be_name); |
00eebe35 | 1877 | |
34224e14 | 1878 | refs = be->init(repo, gitdir, flags); |
ba88add5 | 1879 | return refs; |
00eebe35 MH |
1880 | } |
1881 | ||
64a74161 | 1882 | struct ref_store *get_main_ref_store(struct repository *r) |
24c8407e | 1883 | { |
02204610 JK |
1884 | if (r->refs_private) |
1885 | return r->refs_private; | |
24c8407e | 1886 | |
2dc417ab JK |
1887 | if (!r->gitdir) |
1888 | BUG("attempting to get main_ref_store outside of repository"); | |
1889 | ||
34224e14 | 1890 | r->refs_private = ref_store_init(r, r->gitdir, REF_STORE_ALL_CAPS); |
4441f427 | 1891 | r->refs_private = maybe_debug_wrap_ref_store(r->gitdir, r->refs_private); |
02204610 | 1892 | return r->refs_private; |
378dc910 NTND |
1893 | } |
1894 | ||
1895 | /* | |
0c064d90 NTND |
1896 | * Associate a ref store with a name. It is a fatal error to call this |
1897 | * function twice for the same name. | |
378dc910 | 1898 | */ |
0c064d90 NTND |
1899 | static void register_ref_store_map(struct hashmap *map, |
1900 | const char *type, | |
1901 | struct ref_store *refs, | |
1902 | const char *name) | |
378dc910 | 1903 | { |
26b455f2 EW |
1904 | struct ref_store_hash_entry *entry; |
1905 | ||
0c064d90 | 1906 | if (!map->tablesize) |
7663cdc8 | 1907 | hashmap_init(map, ref_store_hash_cmp, NULL, 0); |
378dc910 | 1908 | |
26b455f2 EW |
1909 | entry = alloc_ref_store_hash_entry(name, refs); |
1910 | if (hashmap_put(map, &entry->ent)) | |
033abf97 | 1911 | BUG("%s ref_store '%s' initialized twice", type, name); |
24c8407e NTND |
1912 | } |
1913 | ||
18d0002d | 1914 | struct ref_store *get_submodule_ref_store(const char *submodule) |
00eebe35 | 1915 | { |
126c9e05 | 1916 | struct strbuf submodule_sb = STRBUF_INIT; |
00eebe35 | 1917 | struct ref_store *refs; |
29babbee NTND |
1918 | char *to_free = NULL; |
1919 | size_t len; | |
34224e14 | 1920 | struct repository *subrepo; |
00eebe35 | 1921 | |
82a150f2 NTND |
1922 | if (!submodule) |
1923 | return NULL; | |
1924 | ||
873ea90d NTND |
1925 | len = strlen(submodule); |
1926 | while (len && is_dir_sep(submodule[len - 1])) | |
1927 | len--; | |
1928 | if (!len) | |
1929 | return NULL; | |
00eebe35 | 1930 | |
29babbee NTND |
1931 | if (submodule[len]) |
1932 | /* We need to strip off one or more trailing slashes */ | |
1933 | submodule = to_free = xmemdupz(submodule, len); | |
00eebe35 | 1934 | |
0c064d90 | 1935 | refs = lookup_ref_store_map(&submodule_ref_stores, submodule); |
126c9e05 | 1936 | if (refs) |
2c616c17 | 1937 | goto done; |
00eebe35 | 1938 | |
126c9e05 | 1939 | strbuf_addstr(&submodule_sb, submodule); |
2c616c17 NTND |
1940 | if (!is_nonbare_repository_dir(&submodule_sb)) |
1941 | goto done; | |
00eebe35 | 1942 | |
2c616c17 NTND |
1943 | if (submodule_to_gitdir(&submodule_sb, submodule)) |
1944 | goto done; | |
00eebe35 | 1945 | |
34224e14 JT |
1946 | subrepo = xmalloc(sizeof(*subrepo)); |
1947 | /* | |
1948 | * NEEDSWORK: Make get_submodule_ref_store() work with arbitrary | |
1949 | * superprojects other than the_repository. This probably should be | |
1950 | * done by making it take a struct repository * parameter instead of a | |
1951 | * submodule path. | |
1952 | */ | |
1953 | if (repo_submodule_init(subrepo, the_repository, submodule, | |
1954 | null_oid())) { | |
1955 | free(subrepo); | |
1956 | goto done; | |
1957 | } | |
1958 | refs = ref_store_init(subrepo, submodule_sb.buf, | |
9e7ec634 | 1959 | REF_STORE_READ | REF_STORE_ODB); |
0c064d90 NTND |
1960 | register_ref_store_map(&submodule_ref_stores, "submodule", |
1961 | refs, submodule); | |
5d0bc90e | 1962 | |
2c616c17 | 1963 | done: |
5d0bc90e | 1964 | strbuf_release(&submodule_sb); |
29babbee NTND |
1965 | free(to_free); |
1966 | ||
00eebe35 MH |
1967 | return refs; |
1968 | } | |
1969 | ||
17eff96b NTND |
1970 | struct ref_store *get_worktree_ref_store(const struct worktree *wt) |
1971 | { | |
1972 | struct ref_store *refs; | |
1973 | const char *id; | |
1974 | ||
1975 | if (wt->is_current) | |
23a3f0cb | 1976 | return get_main_ref_store(the_repository); |
17eff96b NTND |
1977 | |
1978 | id = wt->id ? wt->id : "/"; | |
1979 | refs = lookup_ref_store_map(&worktree_ref_stores, id); | |
1980 | if (refs) | |
1981 | return refs; | |
1982 | ||
1983 | if (wt->id) | |
34224e14 JT |
1984 | refs = ref_store_init(the_repository, |
1985 | git_common_path("worktrees/%s", wt->id), | |
17eff96b NTND |
1986 | REF_STORE_ALL_CAPS); |
1987 | else | |
34224e14 JT |
1988 | refs = ref_store_init(the_repository, |
1989 | get_git_common_dir(), | |
17eff96b NTND |
1990 | REF_STORE_ALL_CAPS); |
1991 | ||
1992 | if (refs) | |
1993 | register_ref_store_map(&worktree_ref_stores, "worktree", | |
1994 | refs, id); | |
1995 | return refs; | |
1996 | } | |
1997 | ||
f9f7fd3b HWN |
1998 | void base_ref_store_init(struct ref_store *refs, struct repository *repo, |
1999 | const char *path, const struct ref_storage_be *be) | |
00eebe35 | 2000 | { |
620a66b9 | 2001 | refs->be = be; |
f9f7fd3b HWN |
2002 | refs->repo = repo; |
2003 | refs->gitdir = xstrdup(path); | |
00eebe35 | 2004 | } |
127b42a1 RS |
2005 | |
2006 | /* backend functions */ | |
7d2df051 | 2007 | int refs_pack_refs(struct ref_store *refs, unsigned int flags) |
8231527e | 2008 | { |
8231527e MH |
2009 | return refs->be->pack_refs(refs, flags); |
2010 | } | |
2011 | ||
36a31792 | 2012 | int peel_iterated_oid(const struct object_id *base, struct object_id *peeled) |
7d2df051 | 2013 | { |
36a31792 JK |
2014 | if (current_ref_iter && |
2015 | (current_ref_iter->oid == base || | |
2016 | oideq(current_ref_iter->oid, base))) | |
2017 | return ref_iterator_peel(current_ref_iter, peeled); | |
ba1c052f | 2018 | |
617480d7 | 2019 | return peel_object(base, peeled) ? -1 : 0; |
7d2df051 | 2020 | } |
bd427cf2 | 2021 | |
7d2df051 NTND |
2022 | int refs_create_symref(struct ref_store *refs, |
2023 | const char *ref_target, | |
2024 | const char *refs_heads_master, | |
2025 | const char *logmsg) | |
2026 | { | |
523fa69c JH |
2027 | char *msg; |
2028 | int retval; | |
2029 | ||
2030 | msg = normalize_reflog_message(logmsg); | |
2031 | retval = refs->be->create_symref(refs, ref_target, refs_heads_master, | |
2032 | msg); | |
2033 | free(msg); | |
2034 | return retval; | |
bd427cf2 MH |
2035 | } |
2036 | ||
284689ba MH |
2037 | int create_symref(const char *ref_target, const char *refs_heads_master, |
2038 | const char *logmsg) | |
2039 | { | |
23a3f0cb | 2040 | return refs_create_symref(get_main_ref_store(the_repository), ref_target, |
7d2df051 | 2041 | refs_heads_master, logmsg); |
284689ba MH |
2042 | } |
2043 | ||
2ced105c MH |
2044 | int ref_update_reject_duplicates(struct string_list *refnames, |
2045 | struct strbuf *err) | |
2046 | { | |
a552e50e | 2047 | size_t i, n = refnames->nr; |
2ced105c MH |
2048 | |
2049 | assert(err); | |
2050 | ||
8556f8d6 MH |
2051 | for (i = 1; i < n; i++) { |
2052 | int cmp = strcmp(refnames->items[i - 1].string, | |
2053 | refnames->items[i].string); | |
2054 | ||
2055 | if (!cmp) { | |
2ced105c | 2056 | strbuf_addf(err, |
661558f0 | 2057 | _("multiple updates for ref '%s' not allowed"), |
2ced105c MH |
2058 | refnames->items[i].string); |
2059 | return 1; | |
8556f8d6 | 2060 | } else if (cmp > 0) { |
033abf97 | 2061 | BUG("ref_update_reject_duplicates() received unsorted list"); |
2ced105c | 2062 | } |
8556f8d6 | 2063 | } |
2ced105c MH |
2064 | return 0; |
2065 | } | |
2066 | ||
67541597 PS |
2067 | static int run_transaction_hook(struct ref_transaction *transaction, |
2068 | const char *state) | |
2069 | { | |
2070 | struct child_process proc = CHILD_PROCESS_INIT; | |
2071 | struct strbuf buf = STRBUF_INIT; | |
0a0fbbe3 | 2072 | const char *hook; |
67541597 PS |
2073 | int ret = 0, i; |
2074 | ||
0a0fbbe3 | 2075 | hook = find_hook("reference-transaction"); |
67541597 | 2076 | if (!hook) |
67541597 | 2077 | return ret; |
67541597 | 2078 | |
c972bf4c | 2079 | strvec_pushl(&proc.args, hook, state, NULL); |
67541597 PS |
2080 | proc.in = -1; |
2081 | proc.stdout_to_stderr = 1; | |
2082 | proc.trace2_hook_name = "reference-transaction"; | |
2083 | ||
2084 | ret = start_command(&proc); | |
2085 | if (ret) | |
2086 | return ret; | |
2087 | ||
2088 | sigchain_push(SIGPIPE, SIG_IGN); | |
2089 | ||
2090 | for (i = 0; i < transaction->nr; i++) { | |
2091 | struct ref_update *update = transaction->updates[i]; | |
2092 | ||
2093 | strbuf_reset(&buf); | |
2094 | strbuf_addf(&buf, "%s %s %s\n", | |
2095 | oid_to_hex(&update->old_oid), | |
2096 | oid_to_hex(&update->new_oid), | |
2097 | update->refname); | |
2098 | ||
2099 | if (write_in_full(proc.in, buf.buf, buf.len) < 0) { | |
4755d7df ÆAB |
2100 | if (errno != EPIPE) { |
2101 | /* Don't leak errno outside this API */ | |
2102 | errno = 0; | |
67541597 | 2103 | ret = -1; |
4755d7df | 2104 | } |
67541597 PS |
2105 | break; |
2106 | } | |
2107 | } | |
2108 | ||
2109 | close(proc.in); | |
2110 | sigchain_pop(SIGPIPE); | |
2111 | strbuf_release(&buf); | |
2112 | ||
2113 | ret |= finish_command(&proc); | |
2114 | return ret; | |
2115 | } | |
2116 | ||
30173b88 MH |
2117 | int ref_transaction_prepare(struct ref_transaction *transaction, |
2118 | struct strbuf *err) | |
127b42a1 | 2119 | { |
c0fe4e8b | 2120 | struct ref_store *refs = transaction->ref_store; |
67541597 | 2121 | int ret; |
127b42a1 | 2122 | |
8d4240d3 MH |
2123 | switch (transaction->state) { |
2124 | case REF_TRANSACTION_OPEN: | |
2125 | /* Good. */ | |
2126 | break; | |
30173b88 | 2127 | case REF_TRANSACTION_PREPARED: |
033abf97 | 2128 | BUG("prepare called twice on reference transaction"); |
30173b88 | 2129 | break; |
8d4240d3 | 2130 | case REF_TRANSACTION_CLOSED: |
033abf97 | 2131 | BUG("prepare called on a closed reference transaction"); |
8d4240d3 MH |
2132 | break; |
2133 | default: | |
033abf97 | 2134 | BUG("unexpected reference transaction state"); |
8d4240d3 MH |
2135 | break; |
2136 | } | |
2137 | ||
ecd81dfc | 2138 | if (refs->repo->objects->odb->disable_ref_updates) { |
d8f4481c JK |
2139 | strbuf_addstr(err, |
2140 | _("ref updates forbidden inside quarantine environment")); | |
2141 | return -1; | |
2142 | } | |
2143 | ||
67541597 PS |
2144 | ret = refs->be->transaction_prepare(refs, transaction, err); |
2145 | if (ret) | |
2146 | return ret; | |
2147 | ||
2148 | ret = run_transaction_hook(transaction, "prepared"); | |
2149 | if (ret) { | |
2150 | ref_transaction_abort(transaction, err); | |
2151 | die(_("ref updates aborted by hook")); | |
2152 | } | |
2153 | ||
2154 | return 0; | |
30173b88 MH |
2155 | } |
2156 | ||
2157 | int ref_transaction_abort(struct ref_transaction *transaction, | |
2158 | struct strbuf *err) | |
2159 | { | |
2160 | struct ref_store *refs = transaction->ref_store; | |
2161 | int ret = 0; | |
2162 | ||
2163 | switch (transaction->state) { | |
2164 | case REF_TRANSACTION_OPEN: | |
2165 | /* No need to abort explicitly. */ | |
2166 | break; | |
2167 | case REF_TRANSACTION_PREPARED: | |
2168 | ret = refs->be->transaction_abort(refs, transaction, err); | |
2169 | break; | |
2170 | case REF_TRANSACTION_CLOSED: | |
033abf97 | 2171 | BUG("abort called on a closed reference transaction"); |
30173b88 MH |
2172 | break; |
2173 | default: | |
033abf97 | 2174 | BUG("unexpected reference transaction state"); |
30173b88 MH |
2175 | break; |
2176 | } | |
2177 | ||
67541597 PS |
2178 | run_transaction_hook(transaction, "aborted"); |
2179 | ||
30173b88 MH |
2180 | ref_transaction_free(transaction); |
2181 | return ret; | |
2182 | } | |
2183 | ||
2184 | int ref_transaction_commit(struct ref_transaction *transaction, | |
2185 | struct strbuf *err) | |
2186 | { | |
2187 | struct ref_store *refs = transaction->ref_store; | |
2188 | int ret; | |
2189 | ||
2190 | switch (transaction->state) { | |
2191 | case REF_TRANSACTION_OPEN: | |
2192 | /* Need to prepare first. */ | |
2193 | ret = ref_transaction_prepare(transaction, err); | |
2194 | if (ret) | |
2195 | return ret; | |
2196 | break; | |
2197 | case REF_TRANSACTION_PREPARED: | |
2198 | /* Fall through to finish. */ | |
2199 | break; | |
2200 | case REF_TRANSACTION_CLOSED: | |
033abf97 | 2201 | BUG("commit called on a closed reference transaction"); |
30173b88 MH |
2202 | break; |
2203 | default: | |
033abf97 | 2204 | BUG("unexpected reference transaction state"); |
30173b88 MH |
2205 | break; |
2206 | } | |
2207 | ||
67541597 PS |
2208 | ret = refs->be->transaction_finish(refs, transaction, err); |
2209 | if (!ret) | |
2210 | run_transaction_hook(transaction, "committed"); | |
2211 | return ret; | |
127b42a1 | 2212 | } |
62665823 | 2213 | |
7d2df051 NTND |
2214 | int refs_verify_refname_available(struct ref_store *refs, |
2215 | const char *refname, | |
b05855b5 | 2216 | const struct string_list *extras, |
7d2df051 NTND |
2217 | const struct string_list *skip, |
2218 | struct strbuf *err) | |
62665823 | 2219 | { |
b05855b5 MH |
2220 | const char *slash; |
2221 | const char *extra_refname; | |
2222 | struct strbuf dirname = STRBUF_INIT; | |
2223 | struct strbuf referent = STRBUF_INIT; | |
2224 | struct object_id oid; | |
2225 | unsigned int type; | |
2226 | struct ref_iterator *iter; | |
2227 | int ok; | |
2228 | int ret = -1; | |
2229 | ||
2230 | /* | |
2231 | * For the sake of comments in this function, suppose that | |
2232 | * refname is "refs/foo/bar". | |
2233 | */ | |
2234 | ||
2235 | assert(err); | |
2236 | ||
2237 | strbuf_grow(&dirname, strlen(refname) + 1); | |
2238 | for (slash = strchr(refname, '/'); slash; slash = strchr(slash + 1, '/')) { | |
8b72fea7 HWN |
2239 | /* |
2240 | * Just saying "Is a directory" when we e.g. can't | |
2241 | * lock some multi-level ref isn't very informative, | |
2242 | * the user won't be told *what* is a directory, so | |
2243 | * let's not use strerror() below. | |
2244 | */ | |
2245 | int ignore_errno; | |
b05855b5 MH |
2246 | /* Expand dirname to the new prefix, not including the trailing slash: */ |
2247 | strbuf_add(&dirname, refname + dirname.len, slash - refname - dirname.len); | |
2248 | ||
2249 | /* | |
2250 | * We are still at a leading dir of the refname (e.g., | |
2251 | * "refs/foo"; if there is a reference with that name, | |
2252 | * it is a conflict, *unless* it is in skip. | |
2253 | */ | |
2254 | if (skip && string_list_has_string(skip, dirname.buf)) | |
2255 | continue; | |
2256 | ||
8b72fea7 HWN |
2257 | if (!refs_read_raw_ref(refs, dirname.buf, &oid, &referent, |
2258 | &type, &ignore_errno)) { | |
661558f0 | 2259 | strbuf_addf(err, _("'%s' exists; cannot create '%s'"), |
b05855b5 MH |
2260 | dirname.buf, refname); |
2261 | goto cleanup; | |
2262 | } | |
2263 | ||
2264 | if (extras && string_list_has_string(extras, dirname.buf)) { | |
661558f0 | 2265 | strbuf_addf(err, _("cannot process '%s' and '%s' at the same time"), |
b05855b5 MH |
2266 | refname, dirname.buf); |
2267 | goto cleanup; | |
2268 | } | |
2269 | } | |
2270 | ||
2271 | /* | |
2272 | * We are at the leaf of our refname (e.g., "refs/foo/bar"). | |
2273 | * There is no point in searching for a reference with that | |
2274 | * name, because a refname isn't considered to conflict with | |
2275 | * itself. But we still need to check for references whose | |
2276 | * names are in the "refs/foo/bar/" namespace, because they | |
2277 | * *do* conflict. | |
2278 | */ | |
2279 | strbuf_addstr(&dirname, refname + dirname.len); | |
2280 | strbuf_addch(&dirname, '/'); | |
2281 | ||
2282 | iter = refs_ref_iterator_begin(refs, dirname.buf, 0, | |
2283 | DO_FOR_EACH_INCLUDE_BROKEN); | |
2284 | while ((ok = ref_iterator_advance(iter)) == ITER_OK) { | |
2285 | if (skip && | |
2286 | string_list_has_string(skip, iter->refname)) | |
2287 | continue; | |
2288 | ||
661558f0 | 2289 | strbuf_addf(err, _("'%s' exists; cannot create '%s'"), |
b05855b5 MH |
2290 | iter->refname, refname); |
2291 | ref_iterator_abort(iter); | |
2292 | goto cleanup; | |
2293 | } | |
2294 | ||
2295 | if (ok != ITER_DONE) | |
033abf97 | 2296 | BUG("error while iterating over references"); |
b05855b5 MH |
2297 | |
2298 | extra_refname = find_descendant_ref(dirname.buf, extras, skip); | |
2299 | if (extra_refname) | |
661558f0 | 2300 | strbuf_addf(err, _("cannot process '%s' and '%s' at the same time"), |
b05855b5 MH |
2301 | refname, extra_refname); |
2302 | else | |
2303 | ret = 0; | |
2304 | ||
2305 | cleanup: | |
2306 | strbuf_release(&referent); | |
2307 | strbuf_release(&dirname); | |
2308 | return ret; | |
62665823 | 2309 | } |
e3688bd6 | 2310 | |
7d2df051 | 2311 | int refs_for_each_reflog(struct ref_store *refs, each_ref_fn fn, void *cb_data) |
e3688bd6 | 2312 | { |
e3688bd6 | 2313 | struct ref_iterator *iter; |
4a6067cd | 2314 | struct do_for_each_ref_help hp = { fn, cb_data }; |
e3688bd6 DT |
2315 | |
2316 | iter = refs->be->reflog_iterator_begin(refs); | |
2317 | ||
4a6067cd SB |
2318 | return do_for_each_repo_ref_iterator(the_repository, iter, |
2319 | do_for_each_ref_helper, &hp); | |
e3688bd6 DT |
2320 | } |
2321 | ||
7d2df051 | 2322 | int for_each_reflog(each_ref_fn fn, void *cb_data) |
e3688bd6 | 2323 | { |
23a3f0cb | 2324 | return refs_for_each_reflog(get_main_ref_store(the_repository), fn, cb_data); |
7d2df051 | 2325 | } |
e3688bd6 | 2326 | |
7d2df051 NTND |
2327 | int refs_for_each_reflog_ent_reverse(struct ref_store *refs, |
2328 | const char *refname, | |
2329 | each_reflog_ent_fn fn, | |
2330 | void *cb_data) | |
2331 | { | |
e3688bd6 DT |
2332 | return refs->be->for_each_reflog_ent_reverse(refs, refname, |
2333 | fn, cb_data); | |
2334 | } | |
2335 | ||
7d2df051 NTND |
2336 | int for_each_reflog_ent_reverse(const char *refname, each_reflog_ent_fn fn, |
2337 | void *cb_data) | |
2338 | { | |
23a3f0cb | 2339 | return refs_for_each_reflog_ent_reverse(get_main_ref_store(the_repository), |
7d2df051 NTND |
2340 | refname, fn, cb_data); |
2341 | } | |
2342 | ||
2343 | int refs_for_each_reflog_ent(struct ref_store *refs, const char *refname, | |
2344 | each_reflog_ent_fn fn, void *cb_data) | |
2345 | { | |
2346 | return refs->be->for_each_reflog_ent(refs, refname, fn, cb_data); | |
2347 | } | |
2348 | ||
e3688bd6 DT |
2349 | int for_each_reflog_ent(const char *refname, each_reflog_ent_fn fn, |
2350 | void *cb_data) | |
2351 | { | |
23a3f0cb | 2352 | return refs_for_each_reflog_ent(get_main_ref_store(the_repository), refname, |
7d2df051 NTND |
2353 | fn, cb_data); |
2354 | } | |
e3688bd6 | 2355 | |
7d2df051 NTND |
2356 | int refs_reflog_exists(struct ref_store *refs, const char *refname) |
2357 | { | |
2358 | return refs->be->reflog_exists(refs, refname); | |
e3688bd6 DT |
2359 | } |
2360 | ||
2361 | int reflog_exists(const char *refname) | |
2362 | { | |
23a3f0cb | 2363 | return refs_reflog_exists(get_main_ref_store(the_repository), refname); |
7d2df051 | 2364 | } |
e3688bd6 | 2365 | |
7d2df051 | 2366 | int refs_create_reflog(struct ref_store *refs, const char *refname, |
7b089120 | 2367 | struct strbuf *err) |
7d2df051 | 2368 | { |
7b089120 | 2369 | return refs->be->create_reflog(refs, refname, err); |
e3688bd6 DT |
2370 | } |
2371 | ||
7b089120 | 2372 | int safe_create_reflog(const char *refname, struct strbuf *err) |
e3688bd6 | 2373 | { |
23a3f0cb | 2374 | return refs_create_reflog(get_main_ref_store(the_repository), refname, |
7b089120 | 2375 | err); |
7d2df051 | 2376 | } |
e3688bd6 | 2377 | |
7d2df051 NTND |
2378 | int refs_delete_reflog(struct ref_store *refs, const char *refname) |
2379 | { | |
2380 | return refs->be->delete_reflog(refs, refname); | |
e3688bd6 DT |
2381 | } |
2382 | ||
2383 | int delete_reflog(const char *refname) | |
2384 | { | |
23a3f0cb | 2385 | return refs_delete_reflog(get_main_ref_store(the_repository), refname); |
7d2df051 | 2386 | } |
e3688bd6 | 2387 | |
7d2df051 | 2388 | int refs_reflog_expire(struct ref_store *refs, |
cc40b5ce | 2389 | const char *refname, |
7d2df051 NTND |
2390 | unsigned int flags, |
2391 | reflog_expiry_prepare_fn prepare_fn, | |
2392 | reflog_expiry_should_prune_fn should_prune_fn, | |
2393 | reflog_expiry_cleanup_fn cleanup_fn, | |
2394 | void *policy_cb_data) | |
2395 | { | |
cc40b5ce | 2396 | return refs->be->reflog_expire(refs, refname, flags, |
7d2df051 NTND |
2397 | prepare_fn, should_prune_fn, |
2398 | cleanup_fn, policy_cb_data); | |
e3688bd6 DT |
2399 | } |
2400 | ||
cc40b5ce | 2401 | int reflog_expire(const char *refname, |
e3688bd6 DT |
2402 | unsigned int flags, |
2403 | reflog_expiry_prepare_fn prepare_fn, | |
2404 | reflog_expiry_should_prune_fn should_prune_fn, | |
2405 | reflog_expiry_cleanup_fn cleanup_fn, | |
2406 | void *policy_cb_data) | |
2407 | { | |
23a3f0cb | 2408 | return refs_reflog_expire(get_main_ref_store(the_repository), |
cc40b5ce | 2409 | refname, flags, |
7d2df051 NTND |
2410 | prepare_fn, should_prune_fn, |
2411 | cleanup_fn, policy_cb_data); | |
e3688bd6 | 2412 | } |
fc681463 DT |
2413 | |
2414 | int initial_ref_transaction_commit(struct ref_transaction *transaction, | |
2415 | struct strbuf *err) | |
2416 | { | |
c0fe4e8b | 2417 | struct ref_store *refs = transaction->ref_store; |
fc681463 DT |
2418 | |
2419 | return refs->be->initial_transaction_commit(refs, transaction, err); | |
2420 | } | |
a27dcf89 | 2421 | |
4f2ba2d0 PS |
2422 | void ref_transaction_for_each_queued_update(struct ref_transaction *transaction, |
2423 | ref_transaction_for_each_queued_update_fn cb, | |
2424 | void *cb_data) | |
2425 | { | |
2426 | int i; | |
2427 | ||
2428 | for (i = 0; i < transaction->nr; i++) { | |
2429 | struct ref_update *update = transaction->updates[i]; | |
2430 | ||
2431 | cb(update->refname, | |
2432 | (update->flags & REF_HAVE_OLD) ? &update->old_oid : NULL, | |
2433 | (update->flags & REF_HAVE_NEW) ? &update->new_oid : NULL, | |
2434 | cb_data); | |
2435 | } | |
2436 | } | |
2437 | ||
523fa69c | 2438 | int refs_delete_refs(struct ref_store *refs, const char *logmsg, |
64da4199 | 2439 | struct string_list *refnames, unsigned int flags) |
a27dcf89 | 2440 | { |
523fa69c JH |
2441 | char *msg; |
2442 | int retval; | |
2443 | ||
2444 | msg = normalize_reflog_message(logmsg); | |
2445 | retval = refs->be->delete_refs(refs, msg, refnames, flags); | |
2446 | free(msg); | |
2447 | return retval; | |
a27dcf89 | 2448 | } |
9b6b40d9 | 2449 | |
64da4199 MH |
2450 | int delete_refs(const char *msg, struct string_list *refnames, |
2451 | unsigned int flags) | |
9b6b40d9 | 2452 | { |
23a3f0cb | 2453 | return refs_delete_refs(get_main_ref_store(the_repository), msg, refnames, flags); |
7d2df051 | 2454 | } |
9b6b40d9 | 2455 | |
7d2df051 NTND |
2456 | int refs_rename_ref(struct ref_store *refs, const char *oldref, |
2457 | const char *newref, const char *logmsg) | |
2458 | { | |
523fa69c JH |
2459 | char *msg; |
2460 | int retval; | |
2461 | ||
2462 | msg = normalize_reflog_message(logmsg); | |
2463 | retval = refs->be->rename_ref(refs, oldref, newref, msg); | |
2464 | free(msg); | |
2465 | return retval; | |
9b6b40d9 | 2466 | } |
7d2df051 NTND |
2467 | |
2468 | int rename_ref(const char *oldref, const char *newref, const char *logmsg) | |
2469 | { | |
23a3f0cb | 2470 | return refs_rename_ref(get_main_ref_store(the_repository), oldref, newref, logmsg); |
7d2df051 | 2471 | } |
52d59cc6 SD |
2472 | |
2473 | int refs_copy_existing_ref(struct ref_store *refs, const char *oldref, | |
2474 | const char *newref, const char *logmsg) | |
2475 | { | |
523fa69c JH |
2476 | char *msg; |
2477 | int retval; | |
2478 | ||
2479 | msg = normalize_reflog_message(logmsg); | |
2480 | retval = refs->be->copy_ref(refs, oldref, newref, msg); | |
2481 | free(msg); | |
2482 | return retval; | |
52d59cc6 SD |
2483 | } |
2484 | ||
2485 | int copy_existing_ref(const char *oldref, const char *newref, const char *logmsg) | |
2486 | { | |
23a3f0cb | 2487 | return refs_copy_existing_ref(get_main_ref_store(the_repository), oldref, newref, logmsg); |
52d59cc6 | 2488 | } |