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Commit | Line | Data |
---|---|---|
7bd9bcf3 MH |
1 | /* |
2 | * The backend-independent part of the reference module. | |
3 | */ | |
4 | ||
e93fc5d7 | 5 | #include "git-compat-util.h" |
6c6ddf92 | 6 | #include "advice.h" |
b2141fc1 | 7 | #include "config.h" |
32a8f510 | 8 | #include "environment.h" |
7d4558c4 | 9 | #include "hashmap.h" |
f394e093 | 10 | #include "gettext.h" |
41771fa4 | 11 | #include "hex.h" |
697cc8ef | 12 | #include "lockfile.h" |
b05855b5 | 13 | #include "iterator.h" |
85023577 | 14 | #include "refs.h" |
4cb77009 | 15 | #include "refs/refs-internal.h" |
67541597 | 16 | #include "run-command.h" |
5e3aba33 | 17 | #include "hook.h" |
dabab1d6 | 18 | #include "object-name.h" |
a034e910 | 19 | #include "object-store-ll.h" |
cf0adba7 | 20 | #include "object.h" |
c339932b | 21 | #include "path.h" |
cf0adba7 | 22 | #include "tag.h" |
5d0bc90e | 23 | #include "submodule.h" |
17eff96b | 24 | #include "worktree.h" |
dbbcd44f | 25 | #include "strvec.h" |
23a3f0cb | 26 | #include "repository.h" |
e38da487 | 27 | #include "setup.h" |
67541597 | 28 | #include "sigchain.h" |
88c7b4c3 | 29 | #include "date.h" |
b9342b3f | 30 | #include "commit.h" |
dd77d587 | 31 | #include "wildmatch.h" |
3581d793 | 32 | |
3dce444f RS |
33 | /* |
34 | * List of all available backends | |
35 | */ | |
36 | static struct ref_storage_be *refs_backends = &refs_be_files; | |
37 | ||
38 | static struct ref_storage_be *find_ref_storage_backend(const char *name) | |
39 | { | |
40 | struct ref_storage_be *be; | |
41 | for (be = refs_backends; be; be = be->next) | |
42 | if (!strcmp(be->name, name)) | |
43 | return be; | |
44 | return NULL; | |
45 | } | |
46 | ||
bc5fd6d3 | 47 | /* |
dde8a902 DT |
48 | * How to handle various characters in refnames: |
49 | * 0: An acceptable character for refs | |
5e650228 JH |
50 | * 1: End-of-component |
51 | * 2: ., look for a preceding . to reject .. in refs | |
52 | * 3: {, look for a preceding @ to reject @{ in refs | |
53a8555e | 53 | * 4: A bad character: ASCII control characters, and |
cd377f45 JK |
54 | * ":", "?", "[", "\", "^", "~", SP, or TAB |
55 | * 5: *, reject unless REFNAME_REFSPEC_PATTERN is set | |
dde8a902 DT |
56 | */ |
57 | static unsigned char refname_disposition[256] = { | |
5e650228 JH |
58 | 1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, |
59 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, | |
cd377f45 | 60 | 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 2, 1, |
5e650228 | 61 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 4, |
dde8a902 | 62 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
5e650228 JH |
63 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 0, 4, 0, |
64 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
65 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 4, 4 | |
dde8a902 DT |
66 | }; |
67 | ||
b9342b3f DS |
68 | struct ref_namespace_info ref_namespace[] = { |
69 | [NAMESPACE_HEAD] = { | |
70 | .ref = "HEAD", | |
71 | .decoration = DECORATION_REF_HEAD, | |
72 | .exact = 1, | |
73 | }, | |
74 | [NAMESPACE_BRANCHES] = { | |
75 | .ref = "refs/heads/", | |
76 | .decoration = DECORATION_REF_LOCAL, | |
77 | }, | |
78 | [NAMESPACE_TAGS] = { | |
79 | .ref = "refs/tags/", | |
80 | .decoration = DECORATION_REF_TAG, | |
81 | }, | |
82 | [NAMESPACE_REMOTE_REFS] = { | |
83 | /* | |
84 | * The default refspec for new remotes copies refs from | |
85 | * refs/heads/ on the remote into refs/remotes/<remote>/. | |
86 | * As such, "refs/remotes/" has special handling. | |
87 | */ | |
88 | .ref = "refs/remotes/", | |
89 | .decoration = DECORATION_REF_REMOTE, | |
90 | }, | |
91 | [NAMESPACE_STASH] = { | |
92 | /* | |
93 | * The single ref "refs/stash" stores the latest stash. | |
94 | * Older stashes can be found in the reflog. | |
95 | */ | |
96 | .ref = "refs/stash", | |
97 | .exact = 1, | |
98 | .decoration = DECORATION_REF_STASH, | |
99 | }, | |
100 | [NAMESPACE_REPLACE] = { | |
101 | /* | |
102 | * This namespace allows Git to act as if one object ID | |
103 | * points to the content of another. Unlike the other | |
104 | * ref namespaces, this one can be changed by the | |
105 | * GIT_REPLACE_REF_BASE environment variable. This | |
106 | * .namespace value will be overwritten in setup_git_env(). | |
107 | */ | |
108 | .ref = "refs/replace/", | |
109 | .decoration = DECORATION_GRAFTED, | |
110 | }, | |
111 | [NAMESPACE_NOTES] = { | |
112 | /* | |
113 | * The refs/notes/commit ref points to the tip of a | |
114 | * parallel commit history that adds metadata to commits | |
115 | * in the normal history. This ref can be overwritten | |
116 | * by the core.notesRef config variable or the | |
117 | * GIT_NOTES_REFS environment variable. | |
118 | */ | |
119 | .ref = "refs/notes/commit", | |
120 | .exact = 1, | |
121 | }, | |
122 | [NAMESPACE_PREFETCH] = { | |
123 | /* | |
124 | * Prefetch refs are written by the background 'fetch' | |
125 | * maintenance task. It allows faster foreground fetches | |
126 | * by advertising these previously-downloaded tips without | |
127 | * updating refs/remotes/ without user intervention. | |
128 | */ | |
129 | .ref = "refs/prefetch/", | |
130 | }, | |
131 | [NAMESPACE_REWRITTEN] = { | |
132 | /* | |
133 | * Rewritten refs are used by the 'label' command in the | |
134 | * sequencer. These are particularly useful during an | |
135 | * interactive rebase that uses the 'merge' command. | |
136 | */ | |
137 | .ref = "refs/rewritten/", | |
138 | }, | |
139 | }; | |
140 | ||
141 | void update_ref_namespace(enum ref_namespace namespace, char *ref) | |
142 | { | |
143 | struct ref_namespace_info *info = &ref_namespace[namespace]; | |
144 | if (info->ref_updated) | |
145 | free(info->ref); | |
146 | info->ref = ref; | |
147 | info->ref_updated = 1; | |
148 | } | |
149 | ||
dde8a902 DT |
150 | /* |
151 | * Try to read one refname component from the front of refname. | |
152 | * Return the length of the component found, or -1 if the component is | |
153 | * not legal. It is legal if it is something reasonable to have under | |
154 | * ".git/refs/"; We do not like it if: | |
bc5fd6d3 | 155 | * |
1de16aec | 156 | * - it begins with ".", or |
bc5fd6d3 | 157 | * - it has double dots "..", or |
53a8555e | 158 | * - it has ASCII control characters, or |
cd377f45 JK |
159 | * - it has ":", "?", "[", "\", "^", "~", SP, or TAB anywhere, or |
160 | * - it has "*" anywhere unless REFNAME_REFSPEC_PATTERN is set, or | |
53a8555e JK |
161 | * - it ends with a "/", or |
162 | * - it ends with ".lock", or | |
163 | * - it contains a "@{" portion | |
1de16aec NTND |
164 | * |
165 | * When sanitized is not NULL, instead of rejecting the input refname | |
166 | * as an error, try to come up with a usable replacement for the input | |
167 | * refname in it. | |
bc5fd6d3 | 168 | */ |
1de16aec NTND |
169 | static int check_refname_component(const char *refname, int *flags, |
170 | struct strbuf *sanitized) | |
bc5fd6d3 MH |
171 | { |
172 | const char *cp; | |
173 | char last = '\0'; | |
1de16aec NTND |
174 | size_t component_start = 0; /* garbage - not a reasonable initial value */ |
175 | ||
176 | if (sanitized) | |
177 | component_start = sanitized->len; | |
bc5fd6d3 MH |
178 | |
179 | for (cp = refname; ; cp++) { | |
dde8a902 DT |
180 | int ch = *cp & 255; |
181 | unsigned char disp = refname_disposition[ch]; | |
1de16aec NTND |
182 | |
183 | if (sanitized && disp != 1) | |
184 | strbuf_addch(sanitized, ch); | |
185 | ||
dde8a902 | 186 | switch (disp) { |
5e650228 | 187 | case 1: |
dde8a902 | 188 | goto out; |
5e650228 | 189 | case 2: |
1de16aec NTND |
190 | if (last == '.') { /* Refname contains "..". */ |
191 | if (sanitized) | |
192 | /* collapse ".." to single "." */ | |
193 | strbuf_setlen(sanitized, sanitized->len - 1); | |
194 | else | |
195 | return -1; | |
196 | } | |
dde8a902 | 197 | break; |
5e650228 | 198 | case 3: |
1de16aec NTND |
199 | if (last == '@') { /* Refname contains "@{". */ |
200 | if (sanitized) | |
201 | sanitized->buf[sanitized->len-1] = '-'; | |
202 | else | |
203 | return -1; | |
204 | } | |
bc5fd6d3 | 205 | break; |
5e650228 | 206 | case 4: |
1de16aec NTND |
207 | /* forbidden char */ |
208 | if (sanitized) | |
209 | sanitized->buf[sanitized->len-1] = '-'; | |
210 | else | |
211 | return -1; | |
212 | break; | |
cd377f45 | 213 | case 5: |
1de16aec NTND |
214 | if (!(*flags & REFNAME_REFSPEC_PATTERN)) { |
215 | /* refspec can't be a pattern */ | |
216 | if (sanitized) | |
217 | sanitized->buf[sanitized->len-1] = '-'; | |
218 | else | |
219 | return -1; | |
220 | } | |
cd377f45 JK |
221 | |
222 | /* | |
223 | * Unset the pattern flag so that we only accept | |
224 | * a single asterisk for one side of refspec. | |
225 | */ | |
226 | *flags &= ~ REFNAME_REFSPEC_PATTERN; | |
227 | break; | |
dde8a902 | 228 | } |
bc5fd6d3 MH |
229 | last = ch; |
230 | } | |
dde8a902 | 231 | out: |
bc5fd6d3 | 232 | if (cp == refname) |
dac529e4 | 233 | return 0; /* Component has zero length. */ |
1de16aec NTND |
234 | |
235 | if (refname[0] == '.') { /* Component starts with '.'. */ | |
236 | if (sanitized) | |
237 | sanitized->buf[component_start] = '-'; | |
238 | else | |
239 | return -1; | |
240 | } | |
7108ad23 | 241 | if (cp - refname >= LOCK_SUFFIX_LEN && |
1de16aec NTND |
242 | !memcmp(cp - LOCK_SUFFIX_LEN, LOCK_SUFFIX, LOCK_SUFFIX_LEN)) { |
243 | if (!sanitized) | |
244 | return -1; | |
245 | /* Refname ends with ".lock". */ | |
246 | while (strbuf_strip_suffix(sanitized, LOCK_SUFFIX)) { | |
247 | /* try again in case we have .lock.lock */ | |
248 | } | |
249 | } | |
bc5fd6d3 MH |
250 | return cp - refname; |
251 | } | |
252 | ||
1de16aec NTND |
253 | static int check_or_sanitize_refname(const char *refname, int flags, |
254 | struct strbuf *sanitized) | |
bc5fd6d3 MH |
255 | { |
256 | int component_len, component_count = 0; | |
257 | ||
1de16aec | 258 | if (!strcmp(refname, "@")) { |
9ba89f48 | 259 | /* Refname is a single character '@'. */ |
1de16aec NTND |
260 | if (sanitized) |
261 | strbuf_addch(sanitized, '-'); | |
262 | else | |
263 | return -1; | |
264 | } | |
9ba89f48 | 265 | |
bc5fd6d3 | 266 | while (1) { |
1de16aec NTND |
267 | if (sanitized && sanitized->len) |
268 | strbuf_complete(sanitized, '/'); | |
269 | ||
bc5fd6d3 | 270 | /* We are at the start of a path component. */ |
1de16aec NTND |
271 | component_len = check_refname_component(refname, &flags, |
272 | sanitized); | |
273 | if (sanitized && component_len == 0) | |
274 | ; /* OK, omit empty component */ | |
275 | else if (component_len <= 0) | |
cd377f45 JK |
276 | return -1; |
277 | ||
bc5fd6d3 MH |
278 | component_count++; |
279 | if (refname[component_len] == '\0') | |
280 | break; | |
281 | /* Skip to next component. */ | |
282 | refname += component_len + 1; | |
283 | } | |
284 | ||
1de16aec NTND |
285 | if (refname[component_len - 1] == '.') { |
286 | /* Refname ends with '.'. */ | |
287 | if (sanitized) | |
288 | ; /* omit ending dot */ | |
289 | else | |
290 | return -1; | |
291 | } | |
bc5fd6d3 MH |
292 | if (!(flags & REFNAME_ALLOW_ONELEVEL) && component_count < 2) |
293 | return -1; /* Refname has only one component. */ | |
294 | return 0; | |
295 | } | |
296 | ||
1de16aec NTND |
297 | int check_refname_format(const char *refname, int flags) |
298 | { | |
299 | return check_or_sanitize_refname(refname, flags, NULL); | |
300 | } | |
301 | ||
302 | void sanitize_refname_component(const char *refname, struct strbuf *out) | |
303 | { | |
304 | if (check_or_sanitize_refname(refname, REFNAME_ALLOW_ONELEVEL, out)) | |
305 | BUG("sanitizing refname '%s' check returned error", refname); | |
306 | } | |
307 | ||
4cb77009 | 308 | int refname_is_safe(const char *refname) |
d0f810f0 | 309 | { |
39950fef MH |
310 | const char *rest; |
311 | ||
312 | if (skip_prefix(refname, "refs/", &rest)) { | |
d0f810f0 RS |
313 | char *buf; |
314 | int result; | |
e40f3557 MH |
315 | size_t restlen = strlen(rest); |
316 | ||
317 | /* rest must not be empty, or start or end with "/" */ | |
318 | if (!restlen || *rest == '/' || rest[restlen - 1] == '/') | |
319 | return 0; | |
d0f810f0 | 320 | |
d0f810f0 RS |
321 | /* |
322 | * Does the refname try to escape refs/? | |
323 | * For example: refs/foo/../bar is safe but refs/foo/../../bar | |
324 | * is not. | |
325 | */ | |
e40f3557 MH |
326 | buf = xmallocz(restlen); |
327 | result = !normalize_path_copy(buf, rest) && !strcmp(buf, rest); | |
d0f810f0 RS |
328 | free(buf); |
329 | return result; | |
330 | } | |
35db25c6 MH |
331 | |
332 | do { | |
d0f810f0 RS |
333 | if (!isupper(*refname) && *refname != '_') |
334 | return 0; | |
335 | refname++; | |
35db25c6 | 336 | } while (*refname); |
d0f810f0 RS |
337 | return 1; |
338 | } | |
339 | ||
67be7c5a MH |
340 | /* |
341 | * Return true if refname, which has the specified oid and flags, can | |
342 | * be resolved to an object in the database. If the referred-to object | |
343 | * does not exist, emit a warning and return false. | |
344 | */ | |
345 | int ref_resolves_to_object(const char *refname, | |
9bc45a28 | 346 | struct repository *repo, |
67be7c5a MH |
347 | const struct object_id *oid, |
348 | unsigned int flags) | |
349 | { | |
350 | if (flags & REF_ISBROKEN) | |
351 | return 0; | |
9bc45a28 | 352 | if (!repo_has_object_file(repo, oid)) { |
661558f0 | 353 | error(_("%s does not point to a valid object!"), refname); |
67be7c5a MH |
354 | return 0; |
355 | } | |
356 | return 1; | |
357 | } | |
358 | ||
7d2df051 NTND |
359 | char *refs_resolve_refdup(struct ref_store *refs, |
360 | const char *refname, int resolve_flags, | |
0f2dc722 | 361 | struct object_id *oid, int *flags) |
7d2df051 NTND |
362 | { |
363 | const char *result; | |
364 | ||
365 | result = refs_resolve_ref_unsafe(refs, refname, resolve_flags, | |
ce14de03 | 366 | oid, flags); |
7d2df051 NTND |
367 | return xstrdup_or_null(result); |
368 | } | |
369 | ||
7bd9bcf3 | 370 | char *resolve_refdup(const char *refname, int resolve_flags, |
0f2dc722 | 371 | struct object_id *oid, int *flags) |
e1e22e37 | 372 | { |
23a3f0cb | 373 | return refs_resolve_refdup(get_main_ref_store(the_repository), |
7d2df051 | 374 | refname, resolve_flags, |
0f2dc722 | 375 | oid, flags); |
cddc4258 MH |
376 | } |
377 | ||
bf1377a1 JK |
378 | /* The argument to for_each_filter_refs */ |
379 | struct for_each_ref_filter { | |
7bd9bcf3 | 380 | const char *pattern; |
9ab9b5df | 381 | const char *prefix; |
7bd9bcf3 MH |
382 | each_ref_fn *fn; |
383 | void *cb_data; | |
384 | }; | |
432ad41e | 385 | |
76887df0 | 386 | int read_ref_full(const char *refname, int resolve_flags, struct object_id *oid, int *flags) |
732134ed | 387 | { |
76887df0 ÆAB |
388 | struct ref_store *refs = get_main_ref_store(the_repository); |
389 | ||
f1da24ca | 390 | if (refs_resolve_ref_unsafe(refs, refname, resolve_flags, |
ce14de03 | 391 | oid, flags)) |
7bd9bcf3 MH |
392 | return 0; |
393 | return -1; | |
732134ed MH |
394 | } |
395 | ||
34c290a6 | 396 | int read_ref(const char *refname, struct object_id *oid) |
cddc4258 | 397 | { |
34c290a6 | 398 | return read_ref_full(refname, RESOLVE_REF_READING, oid, NULL); |
c774aab9 JP |
399 | } |
400 | ||
3f9f1acc | 401 | int refs_ref_exists(struct ref_store *refs, const char *refname) |
b3cd33d0 | 402 | { |
f1da24ca | 403 | return !!refs_resolve_ref_unsafe(refs, refname, RESOLVE_REF_READING, |
ce14de03 | 404 | NULL, NULL); |
b3cd33d0 NTND |
405 | } |
406 | ||
7bd9bcf3 | 407 | int ref_exists(const char *refname) |
bc5fd6d3 | 408 | { |
b3cd33d0 | 409 | return refs_ref_exists(get_main_ref_store(the_repository), refname); |
bc5fd6d3 MH |
410 | } |
411 | ||
bf1377a1 JK |
412 | static int for_each_filter_refs(const char *refname, |
413 | const struct object_id *oid, | |
414 | int flags, void *data) | |
432ad41e | 415 | { |
bf1377a1 | 416 | struct for_each_ref_filter *filter = data; |
7bd9bcf3 | 417 | |
55d34269 | 418 | if (wildmatch(filter->pattern, refname, 0)) |
7bd9bcf3 | 419 | return 0; |
9ab9b5df RA |
420 | if (filter->prefix) |
421 | skip_prefix(refname, filter->prefix, &refname); | |
7bd9bcf3 | 422 | return filter->fn(refname, oid, flags, filter->cb_data); |
432ad41e MH |
423 | } |
424 | ||
ac2ed0d7 | 425 | enum peel_status peel_object(const struct object_id *name, struct object_id *oid) |
c774aab9 | 426 | { |
45a187cc | 427 | struct object *o = lookup_unknown_object(the_repository, name); |
c774aab9 | 428 | |
7bd9bcf3 | 429 | if (o->type == OBJ_NONE) { |
0df8e965 | 430 | int type = oid_object_info(the_repository, name, NULL); |
6da43d93 | 431 | if (type < 0 || !object_as_type(o, type, 0)) |
7bd9bcf3 MH |
432 | return PEEL_INVALID; |
433 | } | |
bc5fd6d3 | 434 | |
7bd9bcf3 MH |
435 | if (o->type != OBJ_TAG) |
436 | return PEEL_NON_TAG; | |
e1980c9d | 437 | |
7bd9bcf3 MH |
438 | o = deref_tag_noverify(o); |
439 | if (!o) | |
440 | return PEEL_INVALID; | |
441 | ||
ac2ed0d7 | 442 | oidcpy(oid, &o->oid); |
7bd9bcf3 | 443 | return PEEL_PEELED; |
e1980c9d JH |
444 | } |
445 | ||
7bd9bcf3 MH |
446 | struct warn_if_dangling_data { |
447 | FILE *fp; | |
448 | const char *refname; | |
449 | const struct string_list *refnames; | |
450 | const char *msg_fmt; | |
451 | }; | |
bc5fd6d3 | 452 | |
63e14ee2 | 453 | static int warn_if_dangling_symref(const char *refname, |
5cf88fd8 | 454 | const struct object_id *oid UNUSED, |
7bd9bcf3 MH |
455 | int flags, void *cb_data) |
456 | { | |
457 | struct warn_if_dangling_data *d = cb_data; | |
458 | const char *resolves_to; | |
bc5fd6d3 | 459 | |
7bd9bcf3 MH |
460 | if (!(flags & REF_ISSYMREF)) |
461 | return 0; | |
bc5fd6d3 | 462 | |
744c040b | 463 | resolves_to = resolve_ref_unsafe(refname, 0, NULL, NULL); |
7bd9bcf3 MH |
464 | if (!resolves_to |
465 | || (d->refname | |
466 | ? strcmp(resolves_to, d->refname) | |
467 | : !string_list_has_string(d->refnames, resolves_to))) { | |
468 | return 0; | |
469 | } | |
bc5fd6d3 | 470 | |
7bd9bcf3 MH |
471 | fprintf(d->fp, d->msg_fmt, refname); |
472 | fputc('\n', d->fp); | |
473 | return 0; | |
bc5fd6d3 MH |
474 | } |
475 | ||
7bd9bcf3 | 476 | void warn_dangling_symref(FILE *fp, const char *msg_fmt, const char *refname) |
f348ac92 | 477 | { |
7bd9bcf3 MH |
478 | struct warn_if_dangling_data data; |
479 | ||
480 | data.fp = fp; | |
481 | data.refname = refname; | |
482 | data.refnames = NULL; | |
483 | data.msg_fmt = msg_fmt; | |
484 | for_each_rawref(warn_if_dangling_symref, &data); | |
f348ac92 MH |
485 | } |
486 | ||
7bd9bcf3 | 487 | void warn_dangling_symrefs(FILE *fp, const char *msg_fmt, const struct string_list *refnames) |
432ad41e | 488 | { |
7bd9bcf3 | 489 | struct warn_if_dangling_data data; |
432ad41e | 490 | |
7bd9bcf3 MH |
491 | data.fp = fp; |
492 | data.refname = NULL; | |
493 | data.refnames = refnames; | |
494 | data.msg_fmt = msg_fmt; | |
495 | for_each_rawref(warn_if_dangling_symref, &data); | |
432ad41e MH |
496 | } |
497 | ||
7d2df051 NTND |
498 | int refs_for_each_tag_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data) |
499 | { | |
500 | return refs_for_each_ref_in(refs, "refs/tags/", fn, cb_data); | |
501 | } | |
502 | ||
7bd9bcf3 | 503 | int for_each_tag_ref(each_ref_fn fn, void *cb_data) |
432ad41e | 504 | { |
23a3f0cb | 505 | return refs_for_each_tag_ref(get_main_ref_store(the_repository), fn, cb_data); |
432ad41e MH |
506 | } |
507 | ||
7d2df051 NTND |
508 | int refs_for_each_branch_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data) |
509 | { | |
510 | return refs_for_each_ref_in(refs, "refs/heads/", fn, cb_data); | |
432ad41e MH |
511 | } |
512 | ||
7bd9bcf3 | 513 | int for_each_branch_ref(each_ref_fn fn, void *cb_data) |
432ad41e | 514 | { |
23a3f0cb | 515 | return refs_for_each_branch_ref(get_main_ref_store(the_repository), fn, cb_data); |
432ad41e MH |
516 | } |
517 | ||
7d2df051 NTND |
518 | int refs_for_each_remote_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data) |
519 | { | |
520 | return refs_for_each_ref_in(refs, "refs/remotes/", fn, cb_data); | |
202a56a9 | 521 | } |
432ad41e | 522 | |
7bd9bcf3 | 523 | int for_each_remote_ref(each_ref_fn fn, void *cb_data) |
e9c4c111 | 524 | { |
23a3f0cb | 525 | return refs_for_each_remote_ref(get_main_ref_store(the_repository), fn, cb_data); |
202a56a9 MH |
526 | } |
527 | ||
7bd9bcf3 MH |
528 | int head_ref_namespaced(each_ref_fn fn, void *cb_data) |
529 | { | |
530 | struct strbuf buf = STRBUF_INIT; | |
531 | int ret = 0; | |
532 | struct object_id oid; | |
533 | int flag; | |
c774aab9 | 534 | |
7bd9bcf3 | 535 | strbuf_addf(&buf, "%sHEAD", get_git_namespace()); |
34c290a6 | 536 | if (!read_ref_full(buf.buf, RESOLVE_REF_READING, &oid, &flag)) |
7bd9bcf3 MH |
537 | ret = fn(buf.buf, &oid, flag, cb_data); |
538 | strbuf_release(&buf); | |
c774aab9 | 539 | |
7bd9bcf3 | 540 | return ret; |
e9c4c111 | 541 | } |
c774aab9 | 542 | |
65516f58 RA |
543 | void normalize_glob_ref(struct string_list_item *item, const char *prefix, |
544 | const char *pattern) | |
545 | { | |
546 | struct strbuf normalized_pattern = STRBUF_INIT; | |
547 | ||
548 | if (*pattern == '/') | |
549 | BUG("pattern must not start with '/'"); | |
550 | ||
b877e617 | 551 | if (prefix) |
65516f58 | 552 | strbuf_addstr(&normalized_pattern, prefix); |
b877e617 DS |
553 | else if (!starts_with(pattern, "refs/") && |
554 | strcmp(pattern, "HEAD")) | |
65516f58 | 555 | strbuf_addstr(&normalized_pattern, "refs/"); |
b877e617 DS |
556 | /* |
557 | * NEEDSWORK: Special case other symrefs such as REBASE_HEAD, | |
558 | * MERGE_HEAD, etc. | |
559 | */ | |
560 | ||
65516f58 RA |
561 | strbuf_addstr(&normalized_pattern, pattern); |
562 | strbuf_strip_suffix(&normalized_pattern, "/"); | |
563 | ||
564 | item->string = strbuf_detach(&normalized_pattern, NULL); | |
565 | item->util = has_glob_specials(pattern) ? NULL : item->string; | |
566 | strbuf_release(&normalized_pattern); | |
567 | } | |
568 | ||
7bd9bcf3 MH |
569 | int for_each_glob_ref_in(each_ref_fn fn, const char *pattern, |
570 | const char *prefix, void *cb_data) | |
662428f4 | 571 | { |
7bd9bcf3 | 572 | struct strbuf real_pattern = STRBUF_INIT; |
bf1377a1 | 573 | struct for_each_ref_filter filter; |
7bd9bcf3 | 574 | int ret; |
d08bae7e | 575 | |
59556548 | 576 | if (!prefix && !starts_with(pattern, "refs/")) |
d08bae7e | 577 | strbuf_addstr(&real_pattern, "refs/"); |
b09fe971 IL |
578 | else if (prefix) |
579 | strbuf_addstr(&real_pattern, prefix); | |
d08bae7e IL |
580 | strbuf_addstr(&real_pattern, pattern); |
581 | ||
894a9d33 | 582 | if (!has_glob_specials(pattern)) { |
9517e6b8 | 583 | /* Append implied '/' '*' if not present. */ |
00b6c178 | 584 | strbuf_complete(&real_pattern, '/'); |
d08bae7e IL |
585 | /* No need to check for '*', there is none. */ |
586 | strbuf_addch(&real_pattern, '*'); | |
587 | } | |
588 | ||
589 | filter.pattern = real_pattern.buf; | |
9ab9b5df | 590 | filter.prefix = prefix; |
d08bae7e IL |
591 | filter.fn = fn; |
592 | filter.cb_data = cb_data; | |
bf1377a1 | 593 | ret = for_each_ref(for_each_filter_refs, &filter); |
d08bae7e IL |
594 | |
595 | strbuf_release(&real_pattern); | |
596 | return ret; | |
597 | } | |
598 | ||
b09fe971 IL |
599 | int for_each_glob_ref(each_ref_fn fn, const char *pattern, void *cb_data) |
600 | { | |
601 | return for_each_glob_ref_in(fn, pattern, NULL, cb_data); | |
602 | } | |
603 | ||
4577e483 | 604 | const char *prettify_refname(const char *name) |
a9c37a72 | 605 | { |
3e5b36c6 SG |
606 | if (skip_prefix(name, "refs/heads/", &name) || |
607 | skip_prefix(name, "refs/tags/", &name) || | |
608 | skip_prefix(name, "refs/remotes/", &name)) | |
609 | ; /* nothing */ | |
610 | return name; | |
a9c37a72 DB |
611 | } |
612 | ||
54457fe5 | 613 | static const char *ref_rev_parse_rules[] = { |
79803322 SP |
614 | "%.*s", |
615 | "refs/%.*s", | |
616 | "refs/tags/%.*s", | |
617 | "refs/heads/%.*s", | |
618 | "refs/remotes/%.*s", | |
619 | "refs/remotes/%.*s/HEAD", | |
620 | NULL | |
621 | }; | |
622 | ||
60650a48 JH |
623 | #define NUM_REV_PARSE_RULES (ARRAY_SIZE(ref_rev_parse_rules) - 1) |
624 | ||
625 | /* | |
626 | * Is it possible that the caller meant full_name with abbrev_name? | |
627 | * If so return a non-zero value to signal "yes"; the magnitude of | |
628 | * the returned value gives the precedence used for disambiguation. | |
629 | * | |
630 | * If abbrev_name cannot mean full_name, return 0. | |
631 | */ | |
54457fe5 | 632 | int refname_match(const char *abbrev_name, const char *full_name) |
79803322 SP |
633 | { |
634 | const char **p; | |
635 | const int abbrev_name_len = strlen(abbrev_name); | |
60650a48 | 636 | const int num_rules = NUM_REV_PARSE_RULES; |
79803322 | 637 | |
60650a48 JH |
638 | for (p = ref_rev_parse_rules; *p; p++) |
639 | if (!strcmp(full_name, mkpath(*p, abbrev_name_len, abbrev_name))) | |
640 | return &ref_rev_parse_rules[num_rules] - p; | |
79803322 SP |
641 | |
642 | return 0; | |
643 | } | |
644 | ||
b4be7410 BW |
645 | /* |
646 | * Given a 'prefix' expand it by the rules in 'ref_rev_parse_rules' and add | |
647 | * the results to 'prefixes' | |
648 | */ | |
c972bf4c | 649 | void expand_ref_prefix(struct strvec *prefixes, const char *prefix) |
b4be7410 BW |
650 | { |
651 | const char **p; | |
652 | int len = strlen(prefix); | |
653 | ||
654 | for (p = ref_rev_parse_rules; *p; p++) | |
c972bf4c | 655 | strvec_pushf(prefixes, *p, len, prefix); |
b4be7410 BW |
656 | } |
657 | ||
675704c7 JS |
658 | static const char default_branch_name_advice[] = N_( |
659 | "Using '%s' as the name for the initial branch. This default branch name\n" | |
660 | "is subject to change. To configure the initial branch name to use in all\n" | |
661 | "of your new repositories, which will suppress this warning, call:\n" | |
662 | "\n" | |
663 | "\tgit config --global init.defaultBranch <name>\n" | |
664 | "\n" | |
665 | "Names commonly chosen instead of 'master' are 'main', 'trunk' and\n" | |
666 | "'development'. The just-created branch can be renamed via this command:\n" | |
667 | "\n" | |
668 | "\tgit branch -m <name>\n" | |
669 | ); | |
670 | ||
cc0f13c5 | 671 | char *repo_default_branch_name(struct repository *r, int quiet) |
8747ebb7 DGW |
672 | { |
673 | const char *config_key = "init.defaultbranch"; | |
674 | const char *config_display_key = "init.defaultBranch"; | |
675 | char *ret = NULL, *full_ref; | |
704fed9e | 676 | const char *env = getenv("GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME"); |
8747ebb7 | 677 | |
704fed9e JS |
678 | if (env && *env) |
679 | ret = xstrdup(env); | |
680 | else if (repo_config_get_string(r, config_key, &ret) < 0) | |
8747ebb7 DGW |
681 | die(_("could not retrieve `%s`"), config_display_key); |
682 | ||
675704c7 | 683 | if (!ret) { |
8747ebb7 | 684 | ret = xstrdup("master"); |
675704c7 JS |
685 | if (!quiet) |
686 | advise(_(default_branch_name_advice), ret); | |
687 | } | |
8747ebb7 DGW |
688 | |
689 | full_ref = xstrfmt("refs/heads/%s", ret); | |
690 | if (check_refname_format(full_ref, 0)) | |
691 | die(_("invalid branch name: %s = %s"), config_display_key, ret); | |
692 | free(full_ref); | |
693 | ||
694 | return ret; | |
695 | } | |
696 | ||
cc0f13c5 | 697 | const char *git_default_branch_name(int quiet) |
8747ebb7 DGW |
698 | { |
699 | static char *ret; | |
700 | ||
701 | if (!ret) | |
cc0f13c5 | 702 | ret = repo_default_branch_name(the_repository, quiet); |
8747ebb7 DGW |
703 | |
704 | return ret; | |
705 | } | |
706 | ||
ff74f7f1 JH |
707 | /* |
708 | * *string and *len will only be substituted, and *string returned (for | |
709 | * later free()ing) if the string passed in is a magic short-hand form | |
710 | * to name a branch. | |
711 | */ | |
8f56e9d4 | 712 | static char *substitute_branch_name(struct repository *r, |
f24c30e0 JT |
713 | const char **string, int *len, |
714 | int nonfatal_dangling_mark) | |
ff74f7f1 JH |
715 | { |
716 | struct strbuf buf = STRBUF_INIT; | |
f24c30e0 JT |
717 | struct interpret_branch_name_options options = { |
718 | .nonfatal_dangling_mark = nonfatal_dangling_mark | |
719 | }; | |
a4f66a78 | 720 | int ret = repo_interpret_branch_name(r, *string, *len, &buf, &options); |
ff74f7f1 JH |
721 | |
722 | if (ret == *len) { | |
723 | size_t size; | |
724 | *string = strbuf_detach(&buf, &size); | |
725 | *len = size; | |
726 | return (char *)*string; | |
727 | } | |
728 | ||
729 | return NULL; | |
730 | } | |
731 | ||
d8984c53 | 732 | int repo_dwim_ref(struct repository *r, const char *str, int len, |
f24c30e0 | 733 | struct object_id *oid, char **ref, int nonfatal_dangling_mark) |
ff74f7f1 | 734 | { |
f24c30e0 JT |
735 | char *last_branch = substitute_branch_name(r, &str, &len, |
736 | nonfatal_dangling_mark); | |
d8984c53 | 737 | int refs_found = expand_ref(r, str, len, oid, ref); |
41da7111 NTND |
738 | free(last_branch); |
739 | return refs_found; | |
740 | } | |
741 | ||
0b1dbf53 NTND |
742 | int expand_ref(struct repository *repo, const char *str, int len, |
743 | struct object_id *oid, char **ref) | |
41da7111 | 744 | { |
ff74f7f1 JH |
745 | const char **p, *r; |
746 | int refs_found = 0; | |
6cd4a898 | 747 | struct strbuf fullref = STRBUF_INIT; |
ff74f7f1 JH |
748 | |
749 | *ref = NULL; | |
750 | for (p = ref_rev_parse_rules; *p; p++) { | |
cca5fa64 | 751 | struct object_id oid_from_ref; |
752 | struct object_id *this_result; | |
ff74f7f1 | 753 | int flag; |
6582bd31 | 754 | struct ref_store *refs = get_main_ref_store(repo); |
ff74f7f1 | 755 | |
cca5fa64 | 756 | this_result = refs_found ? &oid_from_ref : oid; |
6cd4a898 JK |
757 | strbuf_reset(&fullref); |
758 | strbuf_addf(&fullref, *p, len, str); | |
f1da24ca | 759 | r = refs_resolve_ref_unsafe(refs, fullref.buf, |
6582bd31 | 760 | RESOLVE_REF_READING, |
ce14de03 | 761 | this_result, &flag); |
ff74f7f1 JH |
762 | if (r) { |
763 | if (!refs_found++) | |
764 | *ref = xstrdup(r); | |
765 | if (!warn_ambiguous_refs) | |
766 | break; | |
6cd4a898 | 767 | } else if ((flag & REF_ISSYMREF) && strcmp(fullref.buf, "HEAD")) { |
661558f0 | 768 | warning(_("ignoring dangling symref %s"), fullref.buf); |
6cd4a898 | 769 | } else if ((flag & REF_ISBROKEN) && strchr(fullref.buf, '/')) { |
661558f0 | 770 | warning(_("ignoring broken ref %s"), fullref.buf); |
55956350 | 771 | } |
ff74f7f1 | 772 | } |
6cd4a898 | 773 | strbuf_release(&fullref); |
ff74f7f1 JH |
774 | return refs_found; |
775 | } | |
776 | ||
56700903 NTND |
777 | int repo_dwim_log(struct repository *r, const char *str, int len, |
778 | struct object_id *oid, char **log) | |
ff74f7f1 | 779 | { |
56700903 | 780 | struct ref_store *refs = get_main_ref_store(r); |
f24c30e0 | 781 | char *last_branch = substitute_branch_name(r, &str, &len, 0); |
ff74f7f1 JH |
782 | const char **p; |
783 | int logs_found = 0; | |
6cd4a898 | 784 | struct strbuf path = STRBUF_INIT; |
ff74f7f1 JH |
785 | |
786 | *log = NULL; | |
787 | for (p = ref_rev_parse_rules; *p; p++) { | |
334dc52f | 788 | struct object_id hash; |
ff74f7f1 JH |
789 | const char *ref, *it; |
790 | ||
6cd4a898 JK |
791 | strbuf_reset(&path); |
792 | strbuf_addf(&path, *p, len, str); | |
56700903 NTND |
793 | ref = refs_resolve_ref_unsafe(refs, path.buf, |
794 | RESOLVE_REF_READING, | |
ce14de03 | 795 | oid ? &hash : NULL, NULL); |
ff74f7f1 JH |
796 | if (!ref) |
797 | continue; | |
56700903 | 798 | if (refs_reflog_exists(refs, path.buf)) |
6cd4a898 | 799 | it = path.buf; |
56700903 NTND |
800 | else if (strcmp(ref, path.buf) && |
801 | refs_reflog_exists(refs, ref)) | |
ff74f7f1 JH |
802 | it = ref; |
803 | else | |
804 | continue; | |
805 | if (!logs_found++) { | |
806 | *log = xstrdup(it); | |
6f45ec88 ÆAB |
807 | if (oid) |
808 | oidcpy(oid, &hash); | |
ff74f7f1 | 809 | } |
7bd9bcf3 MH |
810 | if (!warn_ambiguous_refs) |
811 | break; | |
c0277d15 | 812 | } |
6cd4a898 | 813 | strbuf_release(&path); |
7bd9bcf3 MH |
814 | free(last_branch); |
815 | return logs_found; | |
2ddb5d17 BK |
816 | } |
817 | ||
56700903 NTND |
818 | int dwim_log(const char *str, int len, struct object_id *oid, char **log) |
819 | { | |
820 | return repo_dwim_log(the_repository, str, len, oid, log); | |
821 | } | |
822 | ||
71e54734 | 823 | int is_per_worktree_ref(const char *refname) |
266b1827 | 824 | { |
55dd8b91 HWN |
825 | return starts_with(refname, "refs/worktree/") || |
826 | starts_with(refname, "refs/bisect/") || | |
827 | starts_with(refname, "refs/rewritten/"); | |
266b1827 DT |
828 | } |
829 | ||
830 | static int is_pseudoref_syntax(const char *refname) | |
831 | { | |
832 | const char *c; | |
833 | ||
834 | for (c = refname; *c; c++) { | |
835 | if (!isupper(*c) && *c != '-' && *c != '_') | |
836 | return 0; | |
837 | } | |
838 | ||
71e54734 HWN |
839 | /* |
840 | * HEAD is not a pseudoref, but it certainly uses the | |
841 | * pseudoref syntax. | |
842 | */ | |
266b1827 DT |
843 | return 1; |
844 | } | |
845 | ||
71e54734 HWN |
846 | static int is_current_worktree_ref(const char *ref) { |
847 | return is_pseudoref_syntax(ref) || is_per_worktree_ref(ref); | |
3a3b9d8c NTND |
848 | } |
849 | ||
71e54734 HWN |
850 | enum ref_worktree_type parse_worktree_ref(const char *maybe_worktree_ref, |
851 | const char **worktree_name, int *worktree_name_length, | |
852 | const char **bare_refname) | |
3a3b9d8c | 853 | { |
71e54734 HWN |
854 | const char *name_dummy; |
855 | int name_length_dummy; | |
856 | const char *ref_dummy; | |
3a3b9d8c | 857 | |
71e54734 HWN |
858 | if (!worktree_name) |
859 | worktree_name = &name_dummy; | |
860 | if (!worktree_name_length) | |
861 | worktree_name_length = &name_length_dummy; | |
862 | if (!bare_refname) | |
863 | bare_refname = &ref_dummy; | |
864 | ||
865 | if (skip_prefix(maybe_worktree_ref, "worktrees/", bare_refname)) { | |
866 | const char *slash = strchr(*bare_refname, '/'); | |
867 | ||
868 | *worktree_name = *bare_refname; | |
869 | if (!slash) { | |
870 | *worktree_name_length = strlen(*worktree_name); | |
871 | ||
872 | /* This is an error condition, and the caller tell because the bare_refname is "" */ | |
873 | *bare_refname = *worktree_name + *worktree_name_length; | |
874 | return REF_WORKTREE_OTHER; | |
875 | } | |
876 | ||
877 | *worktree_name_length = slash - *bare_refname; | |
878 | *bare_refname = slash + 1; | |
879 | ||
880 | if (is_current_worktree_ref(*bare_refname)) | |
881 | return REF_WORKTREE_OTHER; | |
882 | } | |
883 | ||
884 | *worktree_name = NULL; | |
885 | *worktree_name_length = 0; | |
886 | ||
887 | if (skip_prefix(maybe_worktree_ref, "main-worktree/", bare_refname) | |
888 | && is_current_worktree_ref(*bare_refname)) | |
889 | return REF_WORKTREE_MAIN; | |
890 | ||
891 | *bare_refname = maybe_worktree_ref; | |
892 | if (is_current_worktree_ref(maybe_worktree_ref)) | |
893 | return REF_WORKTREE_CURRENT; | |
894 | ||
895 | return REF_WORKTREE_SHARED; | |
266b1827 DT |
896 | } |
897 | ||
4ff0f01c MH |
898 | long get_files_ref_lock_timeout_ms(void) |
899 | { | |
900 | static int configured = 0; | |
901 | ||
902 | /* The default timeout is 100 ms: */ | |
903 | static int timeout_ms = 100; | |
904 | ||
905 | if (!configured) { | |
906 | git_config_get_int("core.filesreflocktimeout", &timeout_ms); | |
907 | configured = 1; | |
908 | } | |
909 | ||
910 | return timeout_ms; | |
911 | } | |
912 | ||
c0fe4e8b NTND |
913 | int refs_delete_ref(struct ref_store *refs, const char *msg, |
914 | const char *refname, | |
2616a5e5 | 915 | const struct object_id *old_oid, |
c0fe4e8b | 916 | unsigned int flags) |
41b625b0 | 917 | { |
7521cc46 | 918 | struct ref_transaction *transaction; |
a4c653df | 919 | struct strbuf err = STRBUF_INIT; |
8b5157e4 | 920 | |
c6da34a6 | 921 | transaction = ref_store_transaction_begin(refs, &err); |
7521cc46 | 922 | if (!transaction || |
89f3bbdd | 923 | ref_transaction_delete(transaction, refname, old_oid, |
755b49ae | 924 | flags, msg, &err) || |
db7516ab | 925 | ref_transaction_commit(transaction, &err)) { |
7521cc46 RS |
926 | error("%s", err.buf); |
927 | ref_transaction_free(transaction); | |
928 | strbuf_release(&err); | |
c0277d15 | 929 | return 1; |
41b625b0 | 930 | } |
7bd9bcf3 MH |
931 | ref_transaction_free(transaction); |
932 | strbuf_release(&err); | |
b531394d BC |
933 | return 0; |
934 | } | |
41b625b0 | 935 | |
c0fe4e8b | 936 | int delete_ref(const char *msg, const char *refname, |
2616a5e5 | 937 | const struct object_id *old_oid, unsigned int flags) |
c0fe4e8b | 938 | { |
23a3f0cb | 939 | return refs_delete_ref(get_main_ref_store(the_repository), msg, refname, |
2616a5e5 | 940 | old_oid, flags); |
c0fe4e8b NTND |
941 | } |
942 | ||
523fa69c | 943 | static void copy_reflog_msg(struct strbuf *sb, const char *msg) |
0ec29a47 | 944 | { |
0ec29a47 JH |
945 | char c; |
946 | int wasspace = 1; | |
8b5157e4 | 947 | |
0ec29a47 JH |
948 | while ((c = *msg++)) { |
949 | if (wasspace && isspace(c)) | |
950 | continue; | |
951 | wasspace = isspace(c); | |
952 | if (wasspace) | |
953 | c = ' '; | |
80a6c207 | 954 | strbuf_addch(sb, c); |
a4c653df | 955 | } |
80a6c207 | 956 | strbuf_rtrim(sb); |
0ec29a47 | 957 | } |
8b5157e4 | 958 | |
523fa69c JH |
959 | static char *normalize_reflog_message(const char *msg) |
960 | { | |
961 | struct strbuf sb = STRBUF_INIT; | |
962 | ||
963 | if (msg && *msg) | |
964 | copy_reflog_msg(&sb, msg); | |
965 | return strbuf_detach(&sb, NULL); | |
966 | } | |
967 | ||
4cb77009 | 968 | int should_autocreate_reflog(const char *refname) |
4e2bef57 | 969 | { |
341fb286 CW |
970 | switch (log_all_ref_updates) { |
971 | case LOG_REFS_ALWAYS: | |
972 | return 1; | |
973 | case LOG_REFS_NORMAL: | |
974 | return starts_with(refname, "refs/heads/") || | |
975 | starts_with(refname, "refs/remotes/") || | |
976 | starts_with(refname, "refs/notes/") || | |
977 | !strcmp(refname, "HEAD"); | |
978 | default: | |
4e2bef57 | 979 | return 0; |
341fb286 | 980 | } |
4e2bef57 DT |
981 | } |
982 | ||
e7e0f26e | 983 | int is_branch(const char *refname) |
c3b0dec5 | 984 | { |
59556548 | 985 | return !strcmp(refname, "HEAD") || starts_with(refname, "refs/heads/"); |
41b625b0 NP |
986 | } |
987 | ||
4207ed28 RS |
988 | struct read_ref_at_cb { |
989 | const char *refname; | |
dddbad72 | 990 | timestamp_t at_time; |
4207ed28 RS |
991 | int cnt; |
992 | int reccnt; | |
8eb36d94 | 993 | struct object_id *oid; |
4207ed28 RS |
994 | int found_it; |
995 | ||
8eb36d94 | 996 | struct object_id ooid; |
997 | struct object_id noid; | |
4207ed28 | 998 | int tz; |
dddbad72 | 999 | timestamp_t date; |
4207ed28 | 1000 | char **msg; |
dddbad72 | 1001 | timestamp_t *cutoff_time; |
4207ed28 RS |
1002 | int *cutoff_tz; |
1003 | int *cutoff_cnt; | |
1004 | }; | |
1005 | ||
95c2a718 DL |
1006 | static void set_read_ref_cutoffs(struct read_ref_at_cb *cb, |
1007 | timestamp_t timestamp, int tz, const char *message) | |
1008 | { | |
1009 | if (cb->msg) | |
1010 | *cb->msg = xstrdup(message); | |
1011 | if (cb->cutoff_time) | |
1012 | *cb->cutoff_time = timestamp; | |
1013 | if (cb->cutoff_tz) | |
1014 | *cb->cutoff_tz = tz; | |
1015 | if (cb->cutoff_cnt) | |
1016 | *cb->cutoff_cnt = cb->reccnt; | |
1017 | } | |
1018 | ||
9461d272 | 1019 | static int read_ref_at_ent(struct object_id *ooid, struct object_id *noid, |
5cf88fd8 | 1020 | const char *email UNUSED, |
c006e9fa JK |
1021 | timestamp_t timestamp, int tz, |
1022 | const char *message, void *cb_data) | |
4207ed28 RS |
1023 | { |
1024 | struct read_ref_at_cb *cb = cb_data; | |
6436a202 | 1025 | int reached_count; |
4207ed28 | 1026 | |
4207ed28 RS |
1027 | cb->tz = tz; |
1028 | cb->date = timestamp; | |
1029 | ||
6436a202 DL |
1030 | /* |
1031 | * It is not possible for cb->cnt == 0 on the first iteration because | |
1032 | * that special case is handled in read_ref_at(). | |
1033 | */ | |
1034 | if (cb->cnt > 0) | |
1035 | cb->cnt--; | |
1036 | reached_count = cb->cnt == 0 && !is_null_oid(ooid); | |
1037 | if (timestamp <= cb->at_time || reached_count) { | |
95c2a718 | 1038 | set_read_ref_cutoffs(cb, timestamp, tz, message); |
4207ed28 | 1039 | /* |
78fb4579 | 1040 | * we have not yet updated cb->[n|o]oid so they still |
4207ed28 RS |
1041 | * hold the values for the previous record. |
1042 | */ | |
6436a202 DL |
1043 | if (!is_null_oid(&cb->ooid) && !oideq(&cb->ooid, noid)) |
1044 | warning(_("log for ref %s has gap after %s"), | |
a5481a6c | 1045 | cb->refname, show_date(cb->date, cb->tz, DATE_MODE(RFC2822))); |
6436a202 DL |
1046 | if (reached_count) |
1047 | oidcpy(cb->oid, ooid); | |
1048 | else if (!is_null_oid(&cb->ooid) || cb->date == cb->at_time) | |
8eb36d94 | 1049 | oidcpy(cb->oid, noid); |
9001dc2a | 1050 | else if (!oideq(noid, cb->oid)) |
661558f0 | 1051 | warning(_("log for ref %s unexpectedly ended on %s"), |
4207ed28 | 1052 | cb->refname, show_date(cb->date, cb->tz, |
a5481a6c | 1053 | DATE_MODE(RFC2822))); |
4207ed28 | 1054 | cb->found_it = 1; |
4207ed28 | 1055 | } |
95c2a718 | 1056 | cb->reccnt++; |
8eb36d94 | 1057 | oidcpy(&cb->ooid, ooid); |
1058 | oidcpy(&cb->noid, noid); | |
6436a202 DL |
1059 | return cb->found_it; |
1060 | } | |
1061 | ||
5cf88fd8 | 1062 | static int read_ref_at_ent_newest(struct object_id *ooid UNUSED, |
63e14ee2 | 1063 | struct object_id *noid, |
5cf88fd8 | 1064 | const char *email UNUSED, |
63e14ee2 JK |
1065 | timestamp_t timestamp, int tz, |
1066 | const char *message, void *cb_data) | |
6436a202 DL |
1067 | { |
1068 | struct read_ref_at_cb *cb = cb_data; | |
1069 | ||
1070 | set_read_ref_cutoffs(cb, timestamp, tz, message); | |
1071 | oidcpy(cb->oid, noid); | |
1072 | /* We just want the first entry */ | |
1073 | return 1; | |
4207ed28 RS |
1074 | } |
1075 | ||
9461d272 | 1076 | static int read_ref_at_ent_oldest(struct object_id *ooid, struct object_id *noid, |
5cf88fd8 | 1077 | const char *email UNUSED, |
c006e9fa JK |
1078 | timestamp_t timestamp, int tz, |
1079 | const char *message, void *cb_data) | |
4207ed28 RS |
1080 | { |
1081 | struct read_ref_at_cb *cb = cb_data; | |
1082 | ||
95c2a718 | 1083 | set_read_ref_cutoffs(cb, timestamp, tz, message); |
8eb36d94 | 1084 | oidcpy(cb->oid, ooid); |
1085 | if (is_null_oid(cb->oid)) | |
1086 | oidcpy(cb->oid, noid); | |
4207ed28 RS |
1087 | /* We just want the first entry */ |
1088 | return 1; | |
16d7cc90 JH |
1089 | } |
1090 | ||
7fdff474 NTND |
1091 | int read_ref_at(struct ref_store *refs, const char *refname, |
1092 | unsigned int flags, timestamp_t at_time, int cnt, | |
8eb36d94 | 1093 | struct object_id *oid, char **msg, |
dddbad72 | 1094 | timestamp_t *cutoff_time, int *cutoff_tz, int *cutoff_cnt) |
d556fae2 | 1095 | { |
4207ed28 | 1096 | struct read_ref_at_cb cb; |
d556fae2 | 1097 | |
4207ed28 RS |
1098 | memset(&cb, 0, sizeof(cb)); |
1099 | cb.refname = refname; | |
1100 | cb.at_time = at_time; | |
1101 | cb.cnt = cnt; | |
1102 | cb.msg = msg; | |
1103 | cb.cutoff_time = cutoff_time; | |
1104 | cb.cutoff_tz = cutoff_tz; | |
1105 | cb.cutoff_cnt = cutoff_cnt; | |
8eb36d94 | 1106 | cb.oid = oid; |
4207ed28 | 1107 | |
6436a202 DL |
1108 | if (cb.cnt == 0) { |
1109 | refs_for_each_reflog_ent_reverse(refs, refname, read_ref_at_ent_newest, &cb); | |
1110 | return 0; | |
1111 | } | |
1112 | ||
7fdff474 | 1113 | refs_for_each_reflog_ent_reverse(refs, refname, read_ref_at_ent, &cb); |
4207ed28 | 1114 | |
c41a87dd | 1115 | if (!cb.reccnt) { |
321c89bf | 1116 | if (flags & GET_OID_QUIETLY) |
c41a87dd DA |
1117 | exit(128); |
1118 | else | |
661558f0 | 1119 | die(_("log for %s is empty"), refname); |
c41a87dd | 1120 | } |
4207ed28 RS |
1121 | if (cb.found_it) |
1122 | return 0; | |
1123 | ||
7fdff474 | 1124 | refs_for_each_reflog_ent(refs, refname, read_ref_at_ent_oldest, &cb); |
d556fae2 | 1125 | |
16d7cc90 | 1126 | return 1; |
d556fae2 | 1127 | } |
2ff81662 | 1128 | |
c0fe4e8b NTND |
1129 | struct ref_transaction *ref_store_transaction_begin(struct ref_store *refs, |
1130 | struct strbuf *err) | |
caa4046c | 1131 | { |
c0fe4e8b | 1132 | struct ref_transaction *tr; |
5a603b04 JN |
1133 | assert(err); |
1134 | ||
ca56dadb | 1135 | CALLOC_ARRAY(tr, 1); |
c0fe4e8b NTND |
1136 | tr->ref_store = refs; |
1137 | return tr; | |
1138 | } | |
1139 | ||
1140 | struct ref_transaction *ref_transaction_begin(struct strbuf *err) | |
1141 | { | |
c6da34a6 | 1142 | return ref_store_transaction_begin(get_main_ref_store(the_repository), err); |
caa4046c MH |
1143 | } |
1144 | ||
026bd1d3 | 1145 | void ref_transaction_free(struct ref_transaction *transaction) |
caa4046c | 1146 | { |
43a2dfde | 1147 | size_t i; |
caa4046c | 1148 | |
1b07255c RS |
1149 | if (!transaction) |
1150 | return; | |
1151 | ||
30173b88 MH |
1152 | switch (transaction->state) { |
1153 | case REF_TRANSACTION_OPEN: | |
1154 | case REF_TRANSACTION_CLOSED: | |
1155 | /* OK */ | |
1156 | break; | |
1157 | case REF_TRANSACTION_PREPARED: | |
033abf97 | 1158 | BUG("free called on a prepared reference transaction"); |
30173b88 MH |
1159 | break; |
1160 | default: | |
033abf97 | 1161 | BUG("unexpected reference transaction state"); |
30173b88 MH |
1162 | break; |
1163 | } | |
1164 | ||
db7516ab RS |
1165 | for (i = 0; i < transaction->nr; i++) { |
1166 | free(transaction->updates[i]->msg); | |
88615910 | 1167 | free(transaction->updates[i]); |
db7516ab | 1168 | } |
caa4046c MH |
1169 | free(transaction->updates); |
1170 | free(transaction); | |
1171 | } | |
1172 | ||
71564516 MH |
1173 | struct ref_update *ref_transaction_add_update( |
1174 | struct ref_transaction *transaction, | |
1175 | const char *refname, unsigned int flags, | |
89f3bbdd | 1176 | const struct object_id *new_oid, |
1177 | const struct object_id *old_oid, | |
71564516 | 1178 | const char *msg) |
caa4046c | 1179 | { |
96ffc06f | 1180 | struct ref_update *update; |
71564516 MH |
1181 | |
1182 | if (transaction->state != REF_TRANSACTION_OPEN) | |
033abf97 | 1183 | BUG("update called for transaction that is not open"); |
71564516 | 1184 | |
96ffc06f | 1185 | FLEX_ALLOC_STR(update, refname, refname); |
caa4046c MH |
1186 | ALLOC_GROW(transaction->updates, transaction->nr + 1, transaction->alloc); |
1187 | transaction->updates[transaction->nr++] = update; | |
71564516 MH |
1188 | |
1189 | update->flags = flags; | |
1190 | ||
1191 | if (flags & REF_HAVE_NEW) | |
89f3bbdd | 1192 | oidcpy(&update->new_oid, new_oid); |
71564516 | 1193 | if (flags & REF_HAVE_OLD) |
89f3bbdd | 1194 | oidcpy(&update->old_oid, old_oid); |
523fa69c | 1195 | update->msg = normalize_reflog_message(msg); |
caa4046c MH |
1196 | return update; |
1197 | } | |
1198 | ||
8e34800e RS |
1199 | int ref_transaction_update(struct ref_transaction *transaction, |
1200 | const char *refname, | |
89f3bbdd | 1201 | const struct object_id *new_oid, |
1202 | const struct object_id *old_oid, | |
1d147bdf | 1203 | unsigned int flags, const char *msg, |
8e34800e | 1204 | struct strbuf *err) |
caa4046c | 1205 | { |
5a603b04 JN |
1206 | assert(err); |
1207 | ||
3c966c7b HWN |
1208 | if (!(flags & REF_SKIP_REFNAME_VERIFICATION) && |
1209 | ((new_oid && !is_null_oid(new_oid)) ? | |
1210 | check_refname_format(refname, REFNAME_ALLOW_ONELEVEL) : | |
1211 | !refname_is_safe(refname))) { | |
661558f0 | 1212 | strbuf_addf(err, _("refusing to update ref with bad name '%s'"), |
d0f810f0 RS |
1213 | refname); |
1214 | return -1; | |
1215 | } | |
1216 | ||
a9bbbcec MH |
1217 | if (flags & ~REF_TRANSACTION_UPDATE_ALLOWED_FLAGS) |
1218 | BUG("illegal flags 0x%x passed to ref_transaction_update()", flags); | |
c788c54c | 1219 | |
49f1eb3b JK |
1220 | /* |
1221 | * Clear flags outside the allowed set; this should be a noop because | |
1222 | * of the BUG() check above, but it works around a -Wnonnull warning | |
1223 | * with some versions of "gcc -O3". | |
1224 | */ | |
1225 | flags &= REF_TRANSACTION_UPDATE_ALLOWED_FLAGS; | |
1226 | ||
89f3bbdd | 1227 | flags |= (new_oid ? REF_HAVE_NEW : 0) | (old_oid ? REF_HAVE_OLD : 0); |
71564516 MH |
1228 | |
1229 | ref_transaction_add_update(transaction, refname, flags, | |
89f3bbdd | 1230 | new_oid, old_oid, msg); |
8e34800e | 1231 | return 0; |
caa4046c MH |
1232 | } |
1233 | ||
b416af5b RS |
1234 | int ref_transaction_create(struct ref_transaction *transaction, |
1235 | const char *refname, | |
89f3bbdd | 1236 | const struct object_id *new_oid, |
fec14ec3 | 1237 | unsigned int flags, const char *msg, |
b416af5b | 1238 | struct strbuf *err) |
caa4046c | 1239 | { |
d097a23b DS |
1240 | if (!new_oid || is_null_oid(new_oid)) { |
1241 | strbuf_addf(err, "'%s' has a null OID", refname); | |
1242 | return 1; | |
1243 | } | |
89f3bbdd | 1244 | return ref_transaction_update(transaction, refname, new_oid, |
14228447 | 1245 | null_oid(), flags, msg, err); |
caa4046c MH |
1246 | } |
1247 | ||
8c8bdc0d RS |
1248 | int ref_transaction_delete(struct ref_transaction *transaction, |
1249 | const char *refname, | |
89f3bbdd | 1250 | const struct object_id *old_oid, |
fb5a6bb6 | 1251 | unsigned int flags, const char *msg, |
8c8bdc0d | 1252 | struct strbuf *err) |
caa4046c | 1253 | { |
89f3bbdd | 1254 | if (old_oid && is_null_oid(old_oid)) |
033abf97 | 1255 | BUG("delete called with old_oid set to zeros"); |
1d147bdf | 1256 | return ref_transaction_update(transaction, refname, |
14228447 | 1257 | null_oid(), old_oid, |
1d147bdf | 1258 | flags, msg, err); |
caa4046c MH |
1259 | } |
1260 | ||
16180334 MH |
1261 | int ref_transaction_verify(struct ref_transaction *transaction, |
1262 | const char *refname, | |
89f3bbdd | 1263 | const struct object_id *old_oid, |
16180334 MH |
1264 | unsigned int flags, |
1265 | struct strbuf *err) | |
1266 | { | |
89f3bbdd | 1267 | if (!old_oid) |
033abf97 | 1268 | BUG("verify called with old_oid set to NULL"); |
16180334 | 1269 | return ref_transaction_update(transaction, refname, |
89f3bbdd | 1270 | NULL, old_oid, |
16180334 MH |
1271 | flags, NULL, err); |
1272 | } | |
1273 | ||
c0fe4e8b | 1274 | int refs_update_ref(struct ref_store *refs, const char *msg, |
ae077771 | 1275 | const char *refname, const struct object_id *new_oid, |
1276 | const struct object_id *old_oid, unsigned int flags, | |
c0fe4e8b | 1277 | enum action_on_err onerr) |
4738a333 | 1278 | { |
74ec19d4 | 1279 | struct ref_transaction *t = NULL; |
b4d75ac1 | 1280 | struct strbuf err = STRBUF_INIT; |
74ec19d4 | 1281 | int ret = 0; |
b4d75ac1 | 1282 | |
c6da34a6 | 1283 | t = ref_store_transaction_begin(refs, &err); |
09743417 HWN |
1284 | if (!t || |
1285 | ref_transaction_update(t, refname, new_oid, old_oid, flags, msg, | |
1286 | &err) || | |
1287 | ref_transaction_commit(t, &err)) { | |
1288 | ret = 1; | |
1289 | ref_transaction_free(t); | |
74ec19d4 DT |
1290 | } |
1291 | if (ret) { | |
661558f0 | 1292 | const char *str = _("update_ref failed for ref '%s': %s"); |
b4d75ac1 | 1293 | |
b4d75ac1 RS |
1294 | switch (onerr) { |
1295 | case UPDATE_REFS_MSG_ON_ERR: | |
1296 | error(str, refname, err.buf); | |
1297 | break; | |
1298 | case UPDATE_REFS_DIE_ON_ERR: | |
1299 | die(str, refname, err.buf); | |
1300 | break; | |
1301 | case UPDATE_REFS_QUIET_ON_ERR: | |
1302 | break; | |
1303 | } | |
1304 | strbuf_release(&err); | |
4738a333 | 1305 | return 1; |
b4d75ac1 RS |
1306 | } |
1307 | strbuf_release(&err); | |
74ec19d4 DT |
1308 | if (t) |
1309 | ref_transaction_free(t); | |
b4d75ac1 | 1310 | return 0; |
4738a333 BK |
1311 | } |
1312 | ||
c0fe4e8b | 1313 | int update_ref(const char *msg, const char *refname, |
ae077771 | 1314 | const struct object_id *new_oid, |
1315 | const struct object_id *old_oid, | |
c0fe4e8b NTND |
1316 | unsigned int flags, enum action_on_err onerr) |
1317 | { | |
23a3f0cb | 1318 | return refs_update_ref(get_main_ref_store(the_repository), msg, refname, new_oid, |
ae077771 | 1319 | old_oid, flags, onerr); |
c0fe4e8b NTND |
1320 | } |
1321 | ||
613bef56 JK |
1322 | /* |
1323 | * Check that the string refname matches a rule of the form | |
1324 | * "{prefix}%.*s{suffix}". So "foo/bar/baz" would match the rule | |
1325 | * "foo/%.*s/baz", and return the string "bar". | |
1326 | */ | |
1327 | static const char *match_parse_rule(const char *refname, const char *rule, | |
1328 | size_t *len) | |
7c2b3029 | 1329 | { |
613bef56 JK |
1330 | /* |
1331 | * Check that rule matches refname up to the first percent in the rule. | |
1332 | * We can bail immediately if not, but otherwise we leave "rule" at the | |
1333 | * %-placeholder, and "refname" at the start of the potential matched | |
1334 | * name. | |
1335 | */ | |
1336 | while (*rule != '%') { | |
1337 | if (!*rule) | |
1338 | BUG("rev-parse rule did not have percent"); | |
1339 | if (*refname++ != *rule++) | |
1340 | return NULL; | |
1341 | } | |
7c2b3029 | 1342 | |
613bef56 JK |
1343 | /* |
1344 | * Check that our "%" is the expected placeholder. This assumes there | |
1345 | * are no other percents (placeholder or quoted) in the string, but | |
1346 | * that is sufficient for our rev-parse rules. | |
1347 | */ | |
1348 | if (!skip_prefix(rule, "%.*s", &rule)) | |
1349 | return NULL; | |
7c2b3029 | 1350 | |
613bef56 JK |
1351 | /* |
1352 | * And now check that our suffix (if any) matches. | |
1353 | */ | |
1354 | if (!strip_suffix(refname, rule, len)) | |
1355 | return NULL; | |
7c2b3029 | 1356 | |
613bef56 JK |
1357 | return refname; /* len set by strip_suffix() */ |
1358 | } | |
7c2b3029 | 1359 | |
546edf37 NTND |
1360 | char *refs_shorten_unambiguous_ref(struct ref_store *refs, |
1361 | const char *refname, int strict) | |
7c2b3029 JK |
1362 | { |
1363 | int i; | |
6cd4a898 | 1364 | struct strbuf resolved_buf = STRBUF_INIT; |
7c2b3029 | 1365 | |
7c2b3029 | 1366 | /* skip first rule, it will always match */ |
8f416f65 | 1367 | for (i = NUM_REV_PARSE_RULES - 1; i > 0 ; --i) { |
7c2b3029 | 1368 | int j; |
6e7b3309 | 1369 | int rules_to_fail = i; |
613bef56 | 1370 | const char *short_name; |
dd5e4d39 | 1371 | size_t short_name_len; |
7c2b3029 | 1372 | |
613bef56 JK |
1373 | short_name = match_parse_rule(refname, ref_rev_parse_rules[i], |
1374 | &short_name_len); | |
1375 | if (!short_name) | |
7c2b3029 JK |
1376 | continue; |
1377 | ||
6e7b3309 BW |
1378 | /* |
1379 | * in strict mode, all (except the matched one) rules | |
1380 | * must fail to resolve to a valid non-ambiguous ref | |
1381 | */ | |
1382 | if (strict) | |
8f416f65 | 1383 | rules_to_fail = NUM_REV_PARSE_RULES; |
6e7b3309 | 1384 | |
7c2b3029 JK |
1385 | /* |
1386 | * check if the short name resolves to a valid ref, | |
1387 | * but use only rules prior to the matched one | |
1388 | */ | |
6e7b3309 | 1389 | for (j = 0; j < rules_to_fail; j++) { |
7c2b3029 | 1390 | const char *rule = ref_rev_parse_rules[j]; |
7c2b3029 | 1391 | |
6e7b3309 BW |
1392 | /* skip matched rule */ |
1393 | if (i == j) | |
1394 | continue; | |
1395 | ||
7c2b3029 JK |
1396 | /* |
1397 | * the short name is ambiguous, if it resolves | |
1398 | * (with this previous rule) to a valid ref | |
1399 | * read_ref() returns 0 on success | |
1400 | */ | |
6cd4a898 JK |
1401 | strbuf_reset(&resolved_buf); |
1402 | strbuf_addf(&resolved_buf, rule, | |
dd5e4d39 JK |
1403 | cast_size_t_to_int(short_name_len), |
1404 | short_name); | |
546edf37 | 1405 | if (refs_ref_exists(refs, resolved_buf.buf)) |
7c2b3029 JK |
1406 | break; |
1407 | } | |
1408 | ||
1409 | /* | |
1410 | * short name is non-ambiguous if all previous rules | |
1411 | * haven't resolved to a valid ref | |
1412 | */ | |
6cd4a898 JK |
1413 | if (j == rules_to_fail) { |
1414 | strbuf_release(&resolved_buf); | |
613bef56 | 1415 | return xmemdupz(short_name, short_name_len); |
6cd4a898 | 1416 | } |
7c2b3029 JK |
1417 | } |
1418 | ||
6cd4a898 | 1419 | strbuf_release(&resolved_buf); |
dfefa935 | 1420 | return xstrdup(refname); |
7c2b3029 | 1421 | } |
daebaa78 | 1422 | |
546edf37 NTND |
1423 | char *shorten_unambiguous_ref(const char *refname, int strict) |
1424 | { | |
1425 | return refs_shorten_unambiguous_ref(get_main_ref_store(the_repository), | |
1426 | refname, strict); | |
1427 | } | |
1428 | ||
9b67eb6f | 1429 | int parse_hide_refs_config(const char *var, const char *value, const char *section, |
c45841ff | 1430 | struct strvec *hide_refs) |
daebaa78 | 1431 | { |
ad8c7cda | 1432 | const char *key; |
daebaa78 | 1433 | if (!strcmp("transfer.hiderefs", var) || |
ad8c7cda JK |
1434 | (!parse_config_key(var, section, NULL, NULL, &key) && |
1435 | !strcmp(key, "hiderefs"))) { | |
daebaa78 JH |
1436 | char *ref; |
1437 | int len; | |
1438 | ||
1439 | if (!value) | |
1440 | return config_error_nonbool(var); | |
c45841ff TB |
1441 | |
1442 | /* drop const to remove trailing '/' characters */ | |
1443 | ref = (char *)strvec_push(hide_refs, value); | |
daebaa78 JH |
1444 | len = strlen(ref); |
1445 | while (len && ref[len - 1] == '/') | |
1446 | ref[--len] = '\0'; | |
daebaa78 JH |
1447 | } |
1448 | return 0; | |
1449 | } | |
1450 | ||
9b67eb6f | 1451 | int ref_is_hidden(const char *refname, const char *refname_full, |
c45841ff | 1452 | const struct strvec *hide_refs) |
daebaa78 | 1453 | { |
2bc31d16 | 1454 | int i; |
daebaa78 | 1455 | |
2bc31d16 | 1456 | for (i = hide_refs->nr - 1; i >= 0; i--) { |
c45841ff | 1457 | const char *match = hide_refs->v[i]; |
78a766ab | 1458 | const char *subject; |
2bc31d16 | 1459 | int neg = 0; |
7a40a95e | 1460 | const char *p; |
2bc31d16 JK |
1461 | |
1462 | if (*match == '!') { | |
1463 | neg = 1; | |
1464 | match++; | |
1465 | } | |
1466 | ||
78a766ab LF |
1467 | if (*match == '^') { |
1468 | subject = refname_full; | |
1469 | match++; | |
1470 | } else { | |
1471 | subject = refname; | |
1472 | } | |
1473 | ||
1474 | /* refname can be NULL when namespaces are used. */ | |
7a40a95e CC |
1475 | if (subject && |
1476 | skip_prefix(subject, match, &p) && | |
1477 | (!*p || *p == '/')) | |
2bc31d16 | 1478 | return !neg; |
daebaa78 JH |
1479 | } |
1480 | return 0; | |
1481 | } | |
fa5b1830 | 1482 | |
15af64dc TB |
1483 | const char **hidden_refs_to_excludes(const struct strvec *hide_refs) |
1484 | { | |
1485 | const char **pattern; | |
1486 | for (pattern = hide_refs->v; *pattern; pattern++) { | |
1487 | /* | |
1488 | * We can't feed any excludes from hidden refs config | |
1489 | * sections, since later rules may override previous | |
1490 | * ones. For example, with rules "refs/foo" and | |
1491 | * "!refs/foo/bar", we should show "refs/foo/bar" (and | |
1492 | * everything underneath it), but the earlier exclusion | |
1493 | * would cause us to skip all of "refs/foo". We | |
1494 | * likewise don't implement the namespace stripping | |
1495 | * required for '^' rules. | |
1496 | * | |
1497 | * Both are possible to do, but complicated, so avoid | |
1498 | * populating the jump list at all if we see either of | |
1499 | * these patterns. | |
1500 | */ | |
1501 | if (**pattern == '!' || **pattern == '^') | |
1502 | return NULL; | |
1503 | } | |
1504 | return hide_refs->v; | |
1505 | } | |
1506 | ||
0845122c DT |
1507 | const char *find_descendant_ref(const char *dirname, |
1508 | const struct string_list *extras, | |
1509 | const struct string_list *skip) | |
fa5b1830 | 1510 | { |
0845122c | 1511 | int pos; |
fa5b1830 | 1512 | |
0845122c DT |
1513 | if (!extras) |
1514 | return NULL; | |
fa5b1830 MH |
1515 | |
1516 | /* | |
0845122c DT |
1517 | * Look at the place where dirname would be inserted into |
1518 | * extras. If there is an entry at that position that starts | |
1519 | * with dirname (remember, dirname includes the trailing | |
1520 | * slash) and is not in skip, then we have a conflict. | |
fa5b1830 | 1521 | */ |
0845122c DT |
1522 | for (pos = string_list_find_insert_index(extras, dirname, 0); |
1523 | pos < extras->nr; pos++) { | |
1524 | const char *extra_refname = extras->items[pos].string; | |
fa5b1830 | 1525 | |
0845122c DT |
1526 | if (!starts_with(extra_refname, dirname)) |
1527 | break; | |
1528 | ||
1529 | if (!skip || !string_list_has_string(skip, extra_refname)) | |
1530 | return extra_refname; | |
fa5b1830 | 1531 | } |
0845122c DT |
1532 | return NULL; |
1533 | } | |
fa5b1830 | 1534 | |
62f0b399 | 1535 | int refs_head_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data) |
2bf68ed5 DT |
1536 | { |
1537 | struct object_id oid; | |
1538 | int flag; | |
1539 | ||
f1da24ca | 1540 | if (refs_resolve_ref_unsafe(refs, "HEAD", RESOLVE_REF_READING, |
ce14de03 | 1541 | &oid, &flag)) |
2bf68ed5 DT |
1542 | return fn("HEAD", &oid, flag, cb_data); |
1543 | ||
1544 | return 0; | |
1545 | } | |
1546 | ||
1547 | int head_ref(each_ref_fn fn, void *cb_data) | |
1548 | { | |
23a3f0cb | 1549 | return refs_head_ref(get_main_ref_store(the_repository), fn, cb_data); |
2bf68ed5 | 1550 | } |
93770590 | 1551 | |
e121b9cb MH |
1552 | struct ref_iterator *refs_ref_iterator_begin( |
1553 | struct ref_store *refs, | |
b269ac53 TB |
1554 | const char *prefix, |
1555 | const char **exclude_patterns, | |
1556 | int trim, | |
9aab952e | 1557 | enum do_for_each_ref_flags flags) |
e121b9cb MH |
1558 | { |
1559 | struct ref_iterator *iter; | |
1560 | ||
6d751be4 | 1561 | if (!(flags & DO_FOR_EACH_INCLUDE_BROKEN)) { |
5d1f5b8c JK |
1562 | static int ref_paranoia = -1; |
1563 | ||
6d751be4 | 1564 | if (ref_paranoia < 0) |
968f12fd | 1565 | ref_paranoia = git_env_bool("GIT_REF_PARANOIA", 1); |
6d751be4 JK |
1566 | if (ref_paranoia) { |
1567 | flags |= DO_FOR_EACH_INCLUDE_BROKEN; | |
1568 | flags |= DO_FOR_EACH_OMIT_DANGLING_SYMREFS; | |
1569 | } | |
1570 | } | |
0a0865b8 | 1571 | |
b269ac53 | 1572 | iter = refs->be->iterator_begin(refs, prefix, exclude_patterns, flags); |
c7599718 MH |
1573 | /* |
1574 | * `iterator_begin()` already takes care of prefix, but we | |
1575 | * might need to do some trimming: | |
1576 | */ | |
1577 | if (trim) | |
1578 | iter = prefix_ref_iterator_begin(iter, "", trim); | |
e121b9cb | 1579 | |
8738a8a4 MH |
1580 | /* Sanity check for subclasses: */ |
1581 | if (!iter->ordered) | |
1582 | BUG("reference iterator is not ordered"); | |
1583 | ||
e121b9cb MH |
1584 | return iter; |
1585 | } | |
1586 | ||
4c4de895 MH |
1587 | /* |
1588 | * Call fn for each reference in the specified submodule for which the | |
1589 | * refname begins with prefix. If trim is non-zero, then trim that | |
1590 | * many characters off the beginning of each refname before passing | |
1591 | * the refname to fn. flags can be DO_FOR_EACH_INCLUDE_BROKEN to | |
1592 | * include broken references in the iteration. If fn ever returns a | |
1593 | * non-zero value, stop the iteration and return that value; | |
1594 | * otherwise, return 0. | |
1595 | */ | |
4a6067cd SB |
1596 | static int do_for_each_repo_ref(struct repository *r, const char *prefix, |
1597 | each_repo_ref_fn fn, int trim, int flags, | |
1598 | void *cb_data) | |
1599 | { | |
1600 | struct ref_iterator *iter; | |
1601 | struct ref_store *refs = get_main_ref_store(r); | |
1602 | ||
1603 | if (!refs) | |
1604 | return 0; | |
1605 | ||
b269ac53 | 1606 | iter = refs_ref_iterator_begin(refs, prefix, NULL, trim, flags); |
4a6067cd SB |
1607 | |
1608 | return do_for_each_repo_ref_iterator(r, iter, fn, cb_data); | |
1609 | } | |
1610 | ||
1611 | struct do_for_each_ref_help { | |
1612 | each_ref_fn *fn; | |
1613 | void *cb_data; | |
1614 | }; | |
1615 | ||
1779deed | 1616 | static int do_for_each_ref_helper(struct repository *r UNUSED, |
4a6067cd SB |
1617 | const char *refname, |
1618 | const struct object_id *oid, | |
1619 | int flags, | |
1620 | void *cb_data) | |
1621 | { | |
1622 | struct do_for_each_ref_help *hp = cb_data; | |
1623 | ||
1624 | return hp->fn(refname, oid, flags, hp->cb_data); | |
1625 | } | |
1626 | ||
7d2df051 | 1627 | static int do_for_each_ref(struct ref_store *refs, const char *prefix, |
b269ac53 | 1628 | const char **exclude_patterns, |
9aab952e JK |
1629 | each_ref_fn fn, int trim, |
1630 | enum do_for_each_ref_flags flags, void *cb_data) | |
4c4de895 MH |
1631 | { |
1632 | struct ref_iterator *iter; | |
4a6067cd | 1633 | struct do_for_each_ref_help hp = { fn, cb_data }; |
4c4de895 | 1634 | |
00eebe35 MH |
1635 | if (!refs) |
1636 | return 0; | |
1637 | ||
b269ac53 TB |
1638 | iter = refs_ref_iterator_begin(refs, prefix, exclude_patterns, trim, |
1639 | flags); | |
4c4de895 | 1640 | |
4a6067cd SB |
1641 | return do_for_each_repo_ref_iterator(the_repository, iter, |
1642 | do_for_each_ref_helper, &hp); | |
4c4de895 MH |
1643 | } |
1644 | ||
7d2df051 NTND |
1645 | int refs_for_each_ref(struct ref_store *refs, each_ref_fn fn, void *cb_data) |
1646 | { | |
b269ac53 | 1647 | return do_for_each_ref(refs, "", NULL, fn, 0, 0, cb_data); |
7d2df051 NTND |
1648 | } |
1649 | ||
93770590 DT |
1650 | int for_each_ref(each_ref_fn fn, void *cb_data) |
1651 | { | |
23a3f0cb | 1652 | return refs_for_each_ref(get_main_ref_store(the_repository), fn, cb_data); |
93770590 DT |
1653 | } |
1654 | ||
7d2df051 NTND |
1655 | int refs_for_each_ref_in(struct ref_store *refs, const char *prefix, |
1656 | each_ref_fn fn, void *cb_data) | |
1657 | { | |
b269ac53 | 1658 | return do_for_each_ref(refs, prefix, NULL, fn, strlen(prefix), 0, cb_data); |
93770590 DT |
1659 | } |
1660 | ||
1661 | int for_each_ref_in(const char *prefix, each_ref_fn fn, void *cb_data) | |
1662 | { | |
23a3f0cb | 1663 | return refs_for_each_ref_in(get_main_ref_store(the_repository), prefix, fn, cb_data); |
93770590 DT |
1664 | } |
1665 | ||
67985e4e | 1666 | int for_each_fullref_in(const char *prefix, each_ref_fn fn, void *cb_data) |
93770590 | 1667 | { |
23a3f0cb | 1668 | return do_for_each_ref(get_main_ref_store(the_repository), |
b269ac53 | 1669 | prefix, NULL, fn, 0, 0, cb_data); |
93770590 DT |
1670 | } |
1671 | ||
073cf63c | 1672 | int refs_for_each_fullref_in(struct ref_store *refs, const char *prefix, |
b269ac53 | 1673 | const char **exclude_patterns, |
67985e4e | 1674 | each_ref_fn fn, void *cb_data) |
03df567f | 1675 | { |
b269ac53 | 1676 | return do_for_each_ref(refs, prefix, exclude_patterns, fn, 0, 0, cb_data); |
03df567f MH |
1677 | } |
1678 | ||
212e0f7e | 1679 | int for_each_replace_ref(struct repository *r, each_repo_ref_fn fn, void *cb_data) |
93770590 | 1680 | { |
97e61e0f | 1681 | const char *git_replace_ref_base = ref_namespace[NAMESPACE_REPLACE].ref; |
212e0f7e SB |
1682 | return do_for_each_repo_ref(r, git_replace_ref_base, fn, |
1683 | strlen(git_replace_ref_base), | |
1684 | DO_FOR_EACH_INCLUDE_BROKEN, cb_data); | |
93770590 DT |
1685 | } |
1686 | ||
e6bf24d3 TB |
1687 | int for_each_namespaced_ref(const char **exclude_patterns, |
1688 | each_ref_fn fn, void *cb_data) | |
93770590 DT |
1689 | { |
1690 | struct strbuf buf = STRBUF_INIT; | |
1691 | int ret; | |
1692 | strbuf_addf(&buf, "%srefs/", get_git_namespace()); | |
23a3f0cb | 1693 | ret = do_for_each_ref(get_main_ref_store(the_repository), |
e6bf24d3 | 1694 | buf.buf, exclude_patterns, fn, 0, 0, cb_data); |
93770590 DT |
1695 | strbuf_release(&buf); |
1696 | return ret; | |
1697 | } | |
1698 | ||
7d2df051 | 1699 | int refs_for_each_rawref(struct ref_store *refs, each_ref_fn fn, void *cb_data) |
93770590 | 1700 | { |
b269ac53 | 1701 | return do_for_each_ref(refs, "", NULL, fn, 0, |
93770590 DT |
1702 | DO_FOR_EACH_INCLUDE_BROKEN, cb_data); |
1703 | } | |
2d0663b2 | 1704 | |
7d2df051 NTND |
1705 | int for_each_rawref(each_ref_fn fn, void *cb_data) |
1706 | { | |
23a3f0cb | 1707 | return refs_for_each_rawref(get_main_ref_store(the_repository), fn, cb_data); |
7d2df051 NTND |
1708 | } |
1709 | ||
16b1985b TB |
1710 | static int qsort_strcmp(const void *va, const void *vb) |
1711 | { | |
1712 | const char *a = *(const char **)va; | |
1713 | const char *b = *(const char **)vb; | |
1714 | ||
1715 | return strcmp(a, b); | |
1716 | } | |
1717 | ||
1718 | static void find_longest_prefixes_1(struct string_list *out, | |
1719 | struct strbuf *prefix, | |
1720 | const char **patterns, size_t nr) | |
1721 | { | |
1722 | size_t i; | |
1723 | ||
1724 | for (i = 0; i < nr; i++) { | |
1725 | char c = patterns[i][prefix->len]; | |
1726 | if (!c || is_glob_special(c)) { | |
1727 | string_list_append(out, prefix->buf); | |
1728 | return; | |
1729 | } | |
1730 | } | |
1731 | ||
1732 | i = 0; | |
1733 | while (i < nr) { | |
1734 | size_t end; | |
1735 | ||
1736 | /* | |
1737 | * Set "end" to the index of the element _after_ the last one | |
1738 | * in our group. | |
1739 | */ | |
1740 | for (end = i + 1; end < nr; end++) { | |
1741 | if (patterns[i][prefix->len] != patterns[end][prefix->len]) | |
1742 | break; | |
1743 | } | |
1744 | ||
1745 | strbuf_addch(prefix, patterns[i][prefix->len]); | |
1746 | find_longest_prefixes_1(out, prefix, patterns + i, end - i); | |
1747 | strbuf_setlen(prefix, prefix->len - 1); | |
1748 | ||
1749 | i = end; | |
1750 | } | |
1751 | } | |
1752 | ||
1753 | static void find_longest_prefixes(struct string_list *out, | |
1754 | const char **patterns) | |
1755 | { | |
1756 | struct strvec sorted = STRVEC_INIT; | |
1757 | struct strbuf prefix = STRBUF_INIT; | |
1758 | ||
1759 | strvec_pushv(&sorted, patterns); | |
1760 | QSORT(sorted.v, sorted.nr, qsort_strcmp); | |
1761 | ||
1762 | find_longest_prefixes_1(out, &prefix, sorted.v, sorted.nr); | |
1763 | ||
1764 | strvec_clear(&sorted); | |
1765 | strbuf_release(&prefix); | |
1766 | } | |
1767 | ||
91e2ab15 JK |
1768 | int refs_for_each_fullref_in_prefixes(struct ref_store *ref_store, |
1769 | const char *namespace, | |
1770 | const char **patterns, | |
b269ac53 | 1771 | const char **exclude_patterns, |
91e2ab15 | 1772 | each_ref_fn fn, void *cb_data) |
16b1985b TB |
1773 | { |
1774 | struct string_list prefixes = STRING_LIST_INIT_DUP; | |
1775 | struct string_list_item *prefix; | |
1776 | struct strbuf buf = STRBUF_INIT; | |
1777 | int ret = 0, namespace_len; | |
1778 | ||
1779 | find_longest_prefixes(&prefixes, patterns); | |
1780 | ||
1781 | if (namespace) | |
1782 | strbuf_addstr(&buf, namespace); | |
1783 | namespace_len = buf.len; | |
1784 | ||
1785 | for_each_string_list_item(prefix, &prefixes) { | |
1786 | strbuf_addstr(&buf, prefix->string); | |
b269ac53 TB |
1787 | ret = refs_for_each_fullref_in(ref_store, buf.buf, |
1788 | exclude_patterns, fn, cb_data); | |
16b1985b TB |
1789 | if (ret) |
1790 | break; | |
1791 | strbuf_setlen(&buf, namespace_len); | |
1792 | } | |
1793 | ||
1794 | string_list_clear(&prefixes, 0); | |
1795 | strbuf_release(&buf); | |
1796 | return ret; | |
1797 | } | |
1798 | ||
e8115302 HWN |
1799 | static int refs_read_special_head(struct ref_store *ref_store, |
1800 | const char *refname, struct object_id *oid, | |
df3458e9 HWN |
1801 | struct strbuf *referent, unsigned int *type, |
1802 | int *failure_errno) | |
e8115302 HWN |
1803 | { |
1804 | struct strbuf full_path = STRBUF_INIT; | |
1805 | struct strbuf content = STRBUF_INIT; | |
1806 | int result = -1; | |
1807 | strbuf_addf(&full_path, "%s/%s", ref_store->gitdir, refname); | |
1808 | ||
1809 | if (strbuf_read_file(&content, full_path.buf, 0) < 0) | |
1810 | goto done; | |
1811 | ||
df3458e9 HWN |
1812 | result = parse_loose_ref_contents(content.buf, oid, referent, type, |
1813 | failure_errno); | |
e8115302 HWN |
1814 | |
1815 | done: | |
1816 | strbuf_release(&full_path); | |
1817 | strbuf_release(&content); | |
1818 | return result; | |
1819 | } | |
1820 | ||
8b72fea7 HWN |
1821 | int refs_read_raw_ref(struct ref_store *ref_store, const char *refname, |
1822 | struct object_id *oid, struct strbuf *referent, | |
1823 | unsigned int *type, int *failure_errno) | |
470be518 | 1824 | { |
8b72fea7 | 1825 | assert(failure_errno); |
e8115302 HWN |
1826 | if (!strcmp(refname, "FETCH_HEAD") || !strcmp(refname, "MERGE_HEAD")) { |
1827 | return refs_read_special_head(ref_store, refname, oid, referent, | |
df3458e9 | 1828 | type, failure_errno); |
e8115302 HWN |
1829 | } |
1830 | ||
1831 | return ref_store->be->read_raw_ref(ref_store, refname, oid, referent, | |
8b72fea7 | 1832 | type, failure_errno); |
470be518 MH |
1833 | } |
1834 | ||
cd475b3b PS |
1835 | int refs_read_symbolic_ref(struct ref_store *ref_store, const char *refname, |
1836 | struct strbuf *referent) | |
1837 | { | |
5b875404 | 1838 | return ref_store->be->read_symbolic_ref(ref_store, refname, referent); |
cd475b3b PS |
1839 | } |
1840 | ||
7d2df051 | 1841 | const char *refs_resolve_ref_unsafe(struct ref_store *refs, |
3c0cb0cb MH |
1842 | const char *refname, |
1843 | int resolve_flags, | |
ef18119d | 1844 | struct object_id *oid, |
ce14de03 | 1845 | int *flags) |
2d0663b2 DT |
1846 | { |
1847 | static struct strbuf sb_refname = STRBUF_INIT; | |
54fad661 | 1848 | struct object_id unused_oid; |
2d0663b2 DT |
1849 | int unused_flags; |
1850 | int symref_count; | |
1851 | ||
49e61479 | 1852 | if (!oid) |
1853 | oid = &unused_oid; | |
2d0663b2 DT |
1854 | if (!flags) |
1855 | flags = &unused_flags; | |
1856 | ||
1857 | *flags = 0; | |
1858 | ||
1859 | if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL)) { | |
1860 | if (!(resolve_flags & RESOLVE_REF_ALLOW_BAD_NAME) || | |
ce14de03 | 1861 | !refname_is_safe(refname)) |
2d0663b2 | 1862 | return NULL; |
2d0663b2 DT |
1863 | |
1864 | /* | |
c7c33f50 | 1865 | * repo_dwim_ref() uses REF_ISBROKEN to distinguish between |
2d0663b2 DT |
1866 | * missing refs and refs that were present but invalid, |
1867 | * to complain about the latter to stderr. | |
1868 | * | |
1869 | * We don't know whether the ref exists, so don't set | |
1870 | * REF_ISBROKEN yet. | |
1871 | */ | |
1872 | *flags |= REF_BAD_NAME; | |
1873 | } | |
1874 | ||
1875 | for (symref_count = 0; symref_count < SYMREF_MAXDEPTH; symref_count++) { | |
1876 | unsigned int read_flags = 0; | |
ce14de03 | 1877 | int failure_errno; |
2d0663b2 | 1878 | |
8b72fea7 | 1879 | if (refs_read_raw_ref(refs, refname, oid, &sb_refname, |
ce14de03 | 1880 | &read_flags, &failure_errno)) { |
2d0663b2 | 1881 | *flags |= read_flags; |
a1c1d817 JK |
1882 | |
1883 | /* In reading mode, refs must eventually resolve */ | |
1884 | if (resolve_flags & RESOLVE_REF_READING) | |
1885 | return NULL; | |
1886 | ||
1887 | /* | |
1888 | * Otherwise a missing ref is OK. But the files backend | |
1889 | * may show errors besides ENOENT if there are | |
1890 | * similarly-named refs. | |
1891 | */ | |
ce14de03 ÆAB |
1892 | if (failure_errno != ENOENT && |
1893 | failure_errno != EISDIR && | |
1894 | failure_errno != ENOTDIR) | |
2d0663b2 | 1895 | return NULL; |
a1c1d817 | 1896 | |
49e61479 | 1897 | oidclr(oid); |
2d0663b2 DT |
1898 | if (*flags & REF_BAD_NAME) |
1899 | *flags |= REF_ISBROKEN; | |
1900 | return refname; | |
1901 | } | |
1902 | ||
1903 | *flags |= read_flags; | |
1904 | ||
1905 | if (!(read_flags & REF_ISSYMREF)) { | |
1906 | if (*flags & REF_BAD_NAME) { | |
49e61479 | 1907 | oidclr(oid); |
2d0663b2 DT |
1908 | *flags |= REF_ISBROKEN; |
1909 | } | |
1910 | return refname; | |
1911 | } | |
1912 | ||
1913 | refname = sb_refname.buf; | |
1914 | if (resolve_flags & RESOLVE_REF_NO_RECURSE) { | |
49e61479 | 1915 | oidclr(oid); |
2d0663b2 DT |
1916 | return refname; |
1917 | } | |
1918 | if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL)) { | |
1919 | if (!(resolve_flags & RESOLVE_REF_ALLOW_BAD_NAME) || | |
ce14de03 | 1920 | !refname_is_safe(refname)) |
2d0663b2 | 1921 | return NULL; |
2d0663b2 DT |
1922 | |
1923 | *flags |= REF_ISBROKEN | REF_BAD_NAME; | |
1924 | } | |
1925 | } | |
1926 | ||
2d0663b2 DT |
1927 | return NULL; |
1928 | } | |
00eebe35 | 1929 | |
6fb5acfd DT |
1930 | /* backend functions */ |
1931 | int refs_init_db(struct strbuf *err) | |
1932 | { | |
23a3f0cb | 1933 | struct ref_store *refs = get_main_ref_store(the_repository); |
6fb5acfd DT |
1934 | |
1935 | return refs->be->init_db(refs, err); | |
1936 | } | |
1937 | ||
bd40dcda | 1938 | const char *resolve_ref_unsafe(const char *refname, int resolve_flags, |
49e61479 | 1939 | struct object_id *oid, int *flags) |
bd40dcda | 1940 | { |
23a3f0cb | 1941 | return refs_resolve_ref_unsafe(get_main_ref_store(the_repository), refname, |
ce14de03 | 1942 | resolve_flags, oid, flags); |
bd40dcda MH |
1943 | } |
1944 | ||
a8355bb7 | 1945 | int resolve_gitlink_ref(const char *submodule, const char *refname, |
a98e6101 | 1946 | struct object_id *oid) |
424dcc76 | 1947 | { |
424dcc76 MH |
1948 | struct ref_store *refs; |
1949 | int flags; | |
1950 | ||
29babbee | 1951 | refs = get_submodule_ref_store(submodule); |
48a8475f | 1952 | |
424dcc76 MH |
1953 | if (!refs) |
1954 | return -1; | |
1955 | ||
ce14de03 ÆAB |
1956 | if (!refs_resolve_ref_unsafe(refs, refname, 0, oid, &flags) || |
1957 | is_null_oid(oid)) | |
424dcc76 MH |
1958 | return -1; |
1959 | return 0; | |
1960 | } | |
1961 | ||
0c064d90 | 1962 | struct ref_store_hash_entry |
7d4558c4 | 1963 | { |
e2b5038d | 1964 | struct hashmap_entry ent; |
7d4558c4 MH |
1965 | |
1966 | struct ref_store *refs; | |
1967 | ||
0c064d90 NTND |
1968 | /* NUL-terminated identifier of the ref store: */ |
1969 | char name[FLEX_ARRAY]; | |
7d4558c4 MH |
1970 | }; |
1971 | ||
5cf88fd8 | 1972 | static int ref_store_hash_cmp(const void *cmp_data UNUSED, |
939af16e EW |
1973 | const struct hashmap_entry *eptr, |
1974 | const struct hashmap_entry *entry_or_key, | |
7d4558c4 MH |
1975 | const void *keydata) |
1976 | { | |
939af16e EW |
1977 | const struct ref_store_hash_entry *e1, *e2; |
1978 | const char *name; | |
1979 | ||
1980 | e1 = container_of(eptr, const struct ref_store_hash_entry, ent); | |
1981 | e2 = container_of(entry_or_key, const struct ref_store_hash_entry, ent); | |
1982 | name = keydata ? keydata : e2->name; | |
7d4558c4 | 1983 | |
0c064d90 | 1984 | return strcmp(e1->name, name); |
7d4558c4 MH |
1985 | } |
1986 | ||
0c064d90 NTND |
1987 | static struct ref_store_hash_entry *alloc_ref_store_hash_entry( |
1988 | const char *name, struct ref_store *refs) | |
7d4558c4 | 1989 | { |
0c064d90 | 1990 | struct ref_store_hash_entry *entry; |
7d4558c4 | 1991 | |
0c064d90 | 1992 | FLEX_ALLOC_STR(entry, name, name); |
d22245a2 | 1993 | hashmap_entry_init(&entry->ent, strhash(name)); |
7d4558c4 MH |
1994 | entry->refs = refs; |
1995 | return entry; | |
1996 | } | |
1997 | ||
7d4558c4 MH |
1998 | /* A hashmap of ref_stores, stored by submodule name: */ |
1999 | static struct hashmap submodule_ref_stores; | |
00eebe35 | 2000 | |
17eff96b NTND |
2001 | /* A hashmap of ref_stores, stored by worktree id: */ |
2002 | static struct hashmap worktree_ref_stores; | |
2003 | ||
c468da4e | 2004 | /* |
0c064d90 NTND |
2005 | * Look up a ref store by name. If that ref_store hasn't been |
2006 | * registered yet, return NULL. | |
c468da4e | 2007 | */ |
0c064d90 NTND |
2008 | static struct ref_store *lookup_ref_store_map(struct hashmap *map, |
2009 | const char *name) | |
00eebe35 | 2010 | { |
0c064d90 | 2011 | struct ref_store_hash_entry *entry; |
f23a4651 | 2012 | unsigned int hash; |
00eebe35 | 2013 | |
0c064d90 | 2014 | if (!map->tablesize) |
7d4558c4 MH |
2015 | /* It's initialized on demand in register_ref_store(). */ |
2016 | return NULL; | |
620a66b9 | 2017 | |
f23a4651 EW |
2018 | hash = strhash(name); |
2019 | entry = hashmap_get_entry_from_hash(map, hash, name, | |
2020 | struct ref_store_hash_entry, ent); | |
7d4558c4 | 2021 | return entry ? entry->refs : NULL; |
00eebe35 MH |
2022 | } |
2023 | ||
c468da4e MH |
2024 | /* |
2025 | * Create, record, and return a ref_store instance for the specified | |
5d0bc90e | 2026 | * gitdir. |
c468da4e | 2027 | */ |
34224e14 JT |
2028 | static struct ref_store *ref_store_init(struct repository *repo, |
2029 | const char *gitdir, | |
9e7ec634 | 2030 | unsigned int flags) |
00eebe35 MH |
2031 | { |
2032 | const char *be_name = "files"; | |
2033 | struct ref_storage_be *be = find_ref_storage_backend(be_name); | |
ba88add5 | 2034 | struct ref_store *refs; |
00eebe35 MH |
2035 | |
2036 | if (!be) | |
033abf97 | 2037 | BUG("reference backend %s is unknown", be_name); |
00eebe35 | 2038 | |
34224e14 | 2039 | refs = be->init(repo, gitdir, flags); |
ba88add5 | 2040 | return refs; |
00eebe35 MH |
2041 | } |
2042 | ||
64a74161 | 2043 | struct ref_store *get_main_ref_store(struct repository *r) |
24c8407e | 2044 | { |
02204610 JK |
2045 | if (r->refs_private) |
2046 | return r->refs_private; | |
24c8407e | 2047 | |
2dc417ab JK |
2048 | if (!r->gitdir) |
2049 | BUG("attempting to get main_ref_store outside of repository"); | |
2050 | ||
34224e14 | 2051 | r->refs_private = ref_store_init(r, r->gitdir, REF_STORE_ALL_CAPS); |
4441f427 | 2052 | r->refs_private = maybe_debug_wrap_ref_store(r->gitdir, r->refs_private); |
02204610 | 2053 | return r->refs_private; |
378dc910 NTND |
2054 | } |
2055 | ||
2056 | /* | |
0c064d90 NTND |
2057 | * Associate a ref store with a name. It is a fatal error to call this |
2058 | * function twice for the same name. | |
378dc910 | 2059 | */ |
0c064d90 NTND |
2060 | static void register_ref_store_map(struct hashmap *map, |
2061 | const char *type, | |
2062 | struct ref_store *refs, | |
2063 | const char *name) | |
378dc910 | 2064 | { |
26b455f2 EW |
2065 | struct ref_store_hash_entry *entry; |
2066 | ||
0c064d90 | 2067 | if (!map->tablesize) |
7663cdc8 | 2068 | hashmap_init(map, ref_store_hash_cmp, NULL, 0); |
378dc910 | 2069 | |
26b455f2 EW |
2070 | entry = alloc_ref_store_hash_entry(name, refs); |
2071 | if (hashmap_put(map, &entry->ent)) | |
033abf97 | 2072 | BUG("%s ref_store '%s' initialized twice", type, name); |
24c8407e NTND |
2073 | } |
2074 | ||
18d0002d | 2075 | struct ref_store *get_submodule_ref_store(const char *submodule) |
00eebe35 | 2076 | { |
126c9e05 | 2077 | struct strbuf submodule_sb = STRBUF_INIT; |
00eebe35 | 2078 | struct ref_store *refs; |
29babbee NTND |
2079 | char *to_free = NULL; |
2080 | size_t len; | |
34224e14 | 2081 | struct repository *subrepo; |
00eebe35 | 2082 | |
82a150f2 NTND |
2083 | if (!submodule) |
2084 | return NULL; | |
2085 | ||
873ea90d NTND |
2086 | len = strlen(submodule); |
2087 | while (len && is_dir_sep(submodule[len - 1])) | |
2088 | len--; | |
2089 | if (!len) | |
2090 | return NULL; | |
00eebe35 | 2091 | |
29babbee NTND |
2092 | if (submodule[len]) |
2093 | /* We need to strip off one or more trailing slashes */ | |
2094 | submodule = to_free = xmemdupz(submodule, len); | |
00eebe35 | 2095 | |
0c064d90 | 2096 | refs = lookup_ref_store_map(&submodule_ref_stores, submodule); |
126c9e05 | 2097 | if (refs) |
2c616c17 | 2098 | goto done; |
00eebe35 | 2099 | |
126c9e05 | 2100 | strbuf_addstr(&submodule_sb, submodule); |
2c616c17 NTND |
2101 | if (!is_nonbare_repository_dir(&submodule_sb)) |
2102 | goto done; | |
00eebe35 | 2103 | |
2c616c17 NTND |
2104 | if (submodule_to_gitdir(&submodule_sb, submodule)) |
2105 | goto done; | |
00eebe35 | 2106 | |
34224e14 JT |
2107 | subrepo = xmalloc(sizeof(*subrepo)); |
2108 | /* | |
2109 | * NEEDSWORK: Make get_submodule_ref_store() work with arbitrary | |
2110 | * superprojects other than the_repository. This probably should be | |
2111 | * done by making it take a struct repository * parameter instead of a | |
2112 | * submodule path. | |
2113 | */ | |
2114 | if (repo_submodule_init(subrepo, the_repository, submodule, | |
2115 | null_oid())) { | |
2116 | free(subrepo); | |
2117 | goto done; | |
2118 | } | |
2119 | refs = ref_store_init(subrepo, submodule_sb.buf, | |
9e7ec634 | 2120 | REF_STORE_READ | REF_STORE_ODB); |
0c064d90 NTND |
2121 | register_ref_store_map(&submodule_ref_stores, "submodule", |
2122 | refs, submodule); | |
5d0bc90e | 2123 | |
2c616c17 | 2124 | done: |
5d0bc90e | 2125 | strbuf_release(&submodule_sb); |
29babbee NTND |
2126 | free(to_free); |
2127 | ||
00eebe35 MH |
2128 | return refs; |
2129 | } | |
2130 | ||
17eff96b NTND |
2131 | struct ref_store *get_worktree_ref_store(const struct worktree *wt) |
2132 | { | |
2133 | struct ref_store *refs; | |
2134 | const char *id; | |
2135 | ||
2136 | if (wt->is_current) | |
23a3f0cb | 2137 | return get_main_ref_store(the_repository); |
17eff96b NTND |
2138 | |
2139 | id = wt->id ? wt->id : "/"; | |
2140 | refs = lookup_ref_store_map(&worktree_ref_stores, id); | |
2141 | if (refs) | |
2142 | return refs; | |
2143 | ||
2144 | if (wt->id) | |
34224e14 JT |
2145 | refs = ref_store_init(the_repository, |
2146 | git_common_path("worktrees/%s", wt->id), | |
17eff96b NTND |
2147 | REF_STORE_ALL_CAPS); |
2148 | else | |
34224e14 JT |
2149 | refs = ref_store_init(the_repository, |
2150 | get_git_common_dir(), | |
17eff96b NTND |
2151 | REF_STORE_ALL_CAPS); |
2152 | ||
2153 | if (refs) | |
2154 | register_ref_store_map(&worktree_ref_stores, "worktree", | |
2155 | refs, id); | |
2156 | return refs; | |
2157 | } | |
2158 | ||
f9f7fd3b HWN |
2159 | void base_ref_store_init(struct ref_store *refs, struct repository *repo, |
2160 | const char *path, const struct ref_storage_be *be) | |
00eebe35 | 2161 | { |
620a66b9 | 2162 | refs->be = be; |
f9f7fd3b HWN |
2163 | refs->repo = repo; |
2164 | refs->gitdir = xstrdup(path); | |
00eebe35 | 2165 | } |
127b42a1 RS |
2166 | |
2167 | /* backend functions */ | |
826ae79f | 2168 | int refs_pack_refs(struct ref_store *refs, struct pack_refs_opts *opts) |
8231527e | 2169 | { |
826ae79f | 2170 | return refs->be->pack_refs(refs, opts); |
8231527e MH |
2171 | } |
2172 | ||
36a31792 | 2173 | int peel_iterated_oid(const struct object_id *base, struct object_id *peeled) |
7d2df051 | 2174 | { |
36a31792 JK |
2175 | if (current_ref_iter && |
2176 | (current_ref_iter->oid == base || | |
2177 | oideq(current_ref_iter->oid, base))) | |
2178 | return ref_iterator_peel(current_ref_iter, peeled); | |
ba1c052f | 2179 | |
617480d7 | 2180 | return peel_object(base, peeled) ? -1 : 0; |
7d2df051 | 2181 | } |
bd427cf2 | 2182 | |
7d2df051 NTND |
2183 | int refs_create_symref(struct ref_store *refs, |
2184 | const char *ref_target, | |
2185 | const char *refs_heads_master, | |
2186 | const char *logmsg) | |
2187 | { | |
523fa69c JH |
2188 | char *msg; |
2189 | int retval; | |
2190 | ||
2191 | msg = normalize_reflog_message(logmsg); | |
2192 | retval = refs->be->create_symref(refs, ref_target, refs_heads_master, | |
2193 | msg); | |
2194 | free(msg); | |
2195 | return retval; | |
bd427cf2 MH |
2196 | } |
2197 | ||
284689ba MH |
2198 | int create_symref(const char *ref_target, const char *refs_heads_master, |
2199 | const char *logmsg) | |
2200 | { | |
23a3f0cb | 2201 | return refs_create_symref(get_main_ref_store(the_repository), ref_target, |
7d2df051 | 2202 | refs_heads_master, logmsg); |
284689ba MH |
2203 | } |
2204 | ||
2ced105c MH |
2205 | int ref_update_reject_duplicates(struct string_list *refnames, |
2206 | struct strbuf *err) | |
2207 | { | |
a552e50e | 2208 | size_t i, n = refnames->nr; |
2ced105c MH |
2209 | |
2210 | assert(err); | |
2211 | ||
8556f8d6 MH |
2212 | for (i = 1; i < n; i++) { |
2213 | int cmp = strcmp(refnames->items[i - 1].string, | |
2214 | refnames->items[i].string); | |
2215 | ||
2216 | if (!cmp) { | |
2ced105c | 2217 | strbuf_addf(err, |
661558f0 | 2218 | _("multiple updates for ref '%s' not allowed"), |
2ced105c MH |
2219 | refnames->items[i].string); |
2220 | return 1; | |
8556f8d6 | 2221 | } else if (cmp > 0) { |
033abf97 | 2222 | BUG("ref_update_reject_duplicates() received unsorted list"); |
2ced105c | 2223 | } |
8556f8d6 | 2224 | } |
2ced105c MH |
2225 | return 0; |
2226 | } | |
2227 | ||
67541597 PS |
2228 | static int run_transaction_hook(struct ref_transaction *transaction, |
2229 | const char *state) | |
2230 | { | |
2231 | struct child_process proc = CHILD_PROCESS_INIT; | |
2232 | struct strbuf buf = STRBUF_INIT; | |
0a0fbbe3 | 2233 | const char *hook; |
67541597 PS |
2234 | int ret = 0, i; |
2235 | ||
0a0fbbe3 | 2236 | hook = find_hook("reference-transaction"); |
67541597 | 2237 | if (!hook) |
67541597 | 2238 | return ret; |
67541597 | 2239 | |
c972bf4c | 2240 | strvec_pushl(&proc.args, hook, state, NULL); |
67541597 PS |
2241 | proc.in = -1; |
2242 | proc.stdout_to_stderr = 1; | |
2243 | proc.trace2_hook_name = "reference-transaction"; | |
2244 | ||
2245 | ret = start_command(&proc); | |
2246 | if (ret) | |
2247 | return ret; | |
2248 | ||
2249 | sigchain_push(SIGPIPE, SIG_IGN); | |
2250 | ||
2251 | for (i = 0; i < transaction->nr; i++) { | |
2252 | struct ref_update *update = transaction->updates[i]; | |
2253 | ||
2254 | strbuf_reset(&buf); | |
2255 | strbuf_addf(&buf, "%s %s %s\n", | |
2256 | oid_to_hex(&update->old_oid), | |
2257 | oid_to_hex(&update->new_oid), | |
2258 | update->refname); | |
2259 | ||
2260 | if (write_in_full(proc.in, buf.buf, buf.len) < 0) { | |
4755d7df ÆAB |
2261 | if (errno != EPIPE) { |
2262 | /* Don't leak errno outside this API */ | |
2263 | errno = 0; | |
67541597 | 2264 | ret = -1; |
4755d7df | 2265 | } |
67541597 PS |
2266 | break; |
2267 | } | |
2268 | } | |
2269 | ||
2270 | close(proc.in); | |
2271 | sigchain_pop(SIGPIPE); | |
2272 | strbuf_release(&buf); | |
2273 | ||
2274 | ret |= finish_command(&proc); | |
2275 | return ret; | |
2276 | } | |
2277 | ||
30173b88 MH |
2278 | int ref_transaction_prepare(struct ref_transaction *transaction, |
2279 | struct strbuf *err) | |
127b42a1 | 2280 | { |
c0fe4e8b | 2281 | struct ref_store *refs = transaction->ref_store; |
67541597 | 2282 | int ret; |
127b42a1 | 2283 | |
8d4240d3 MH |
2284 | switch (transaction->state) { |
2285 | case REF_TRANSACTION_OPEN: | |
2286 | /* Good. */ | |
2287 | break; | |
30173b88 | 2288 | case REF_TRANSACTION_PREPARED: |
033abf97 | 2289 | BUG("prepare called twice on reference transaction"); |
30173b88 | 2290 | break; |
8d4240d3 | 2291 | case REF_TRANSACTION_CLOSED: |
033abf97 | 2292 | BUG("prepare called on a closed reference transaction"); |
8d4240d3 MH |
2293 | break; |
2294 | default: | |
033abf97 | 2295 | BUG("unexpected reference transaction state"); |
8d4240d3 MH |
2296 | break; |
2297 | } | |
2298 | ||
ecd81dfc | 2299 | if (refs->repo->objects->odb->disable_ref_updates) { |
d8f4481c JK |
2300 | strbuf_addstr(err, |
2301 | _("ref updates forbidden inside quarantine environment")); | |
2302 | return -1; | |
2303 | } | |
2304 | ||
67541597 PS |
2305 | ret = refs->be->transaction_prepare(refs, transaction, err); |
2306 | if (ret) | |
2307 | return ret; | |
2308 | ||
2309 | ret = run_transaction_hook(transaction, "prepared"); | |
2310 | if (ret) { | |
2311 | ref_transaction_abort(transaction, err); | |
2312 | die(_("ref updates aborted by hook")); | |
2313 | } | |
2314 | ||
2315 | return 0; | |
30173b88 MH |
2316 | } |
2317 | ||
2318 | int ref_transaction_abort(struct ref_transaction *transaction, | |
2319 | struct strbuf *err) | |
2320 | { | |
2321 | struct ref_store *refs = transaction->ref_store; | |
2322 | int ret = 0; | |
2323 | ||
2324 | switch (transaction->state) { | |
2325 | case REF_TRANSACTION_OPEN: | |
2326 | /* No need to abort explicitly. */ | |
2327 | break; | |
2328 | case REF_TRANSACTION_PREPARED: | |
2329 | ret = refs->be->transaction_abort(refs, transaction, err); | |
2330 | break; | |
2331 | case REF_TRANSACTION_CLOSED: | |
033abf97 | 2332 | BUG("abort called on a closed reference transaction"); |
30173b88 MH |
2333 | break; |
2334 | default: | |
033abf97 | 2335 | BUG("unexpected reference transaction state"); |
30173b88 MH |
2336 | break; |
2337 | } | |
2338 | ||
67541597 PS |
2339 | run_transaction_hook(transaction, "aborted"); |
2340 | ||
30173b88 MH |
2341 | ref_transaction_free(transaction); |
2342 | return ret; | |
2343 | } | |
2344 | ||
2345 | int ref_transaction_commit(struct ref_transaction *transaction, | |
2346 | struct strbuf *err) | |
2347 | { | |
2348 | struct ref_store *refs = transaction->ref_store; | |
2349 | int ret; | |
2350 | ||
2351 | switch (transaction->state) { | |
2352 | case REF_TRANSACTION_OPEN: | |
2353 | /* Need to prepare first. */ | |
2354 | ret = ref_transaction_prepare(transaction, err); | |
2355 | if (ret) | |
2356 | return ret; | |
2357 | break; | |
2358 | case REF_TRANSACTION_PREPARED: | |
2359 | /* Fall through to finish. */ | |
2360 | break; | |
2361 | case REF_TRANSACTION_CLOSED: | |
033abf97 | 2362 | BUG("commit called on a closed reference transaction"); |
30173b88 MH |
2363 | break; |
2364 | default: | |
033abf97 | 2365 | BUG("unexpected reference transaction state"); |
30173b88 MH |
2366 | break; |
2367 | } | |
2368 | ||
67541597 PS |
2369 | ret = refs->be->transaction_finish(refs, transaction, err); |
2370 | if (!ret) | |
2371 | run_transaction_hook(transaction, "committed"); | |
2372 | return ret; | |
127b42a1 | 2373 | } |
62665823 | 2374 | |
7d2df051 NTND |
2375 | int refs_verify_refname_available(struct ref_store *refs, |
2376 | const char *refname, | |
b05855b5 | 2377 | const struct string_list *extras, |
7d2df051 NTND |
2378 | const struct string_list *skip, |
2379 | struct strbuf *err) | |
62665823 | 2380 | { |
b05855b5 MH |
2381 | const char *slash; |
2382 | const char *extra_refname; | |
2383 | struct strbuf dirname = STRBUF_INIT; | |
2384 | struct strbuf referent = STRBUF_INIT; | |
2385 | struct object_id oid; | |
2386 | unsigned int type; | |
2387 | struct ref_iterator *iter; | |
2388 | int ok; | |
2389 | int ret = -1; | |
2390 | ||
2391 | /* | |
2392 | * For the sake of comments in this function, suppose that | |
2393 | * refname is "refs/foo/bar". | |
2394 | */ | |
2395 | ||
2396 | assert(err); | |
2397 | ||
2398 | strbuf_grow(&dirname, strlen(refname) + 1); | |
2399 | for (slash = strchr(refname, '/'); slash; slash = strchr(slash + 1, '/')) { | |
8b72fea7 HWN |
2400 | /* |
2401 | * Just saying "Is a directory" when we e.g. can't | |
2402 | * lock some multi-level ref isn't very informative, | |
2403 | * the user won't be told *what* is a directory, so | |
2404 | * let's not use strerror() below. | |
2405 | */ | |
2406 | int ignore_errno; | |
b05855b5 MH |
2407 | /* Expand dirname to the new prefix, not including the trailing slash: */ |
2408 | strbuf_add(&dirname, refname + dirname.len, slash - refname - dirname.len); | |
2409 | ||
2410 | /* | |
2411 | * We are still at a leading dir of the refname (e.g., | |
2412 | * "refs/foo"; if there is a reference with that name, | |
2413 | * it is a conflict, *unless* it is in skip. | |
2414 | */ | |
2415 | if (skip && string_list_has_string(skip, dirname.buf)) | |
2416 | continue; | |
2417 | ||
8b72fea7 HWN |
2418 | if (!refs_read_raw_ref(refs, dirname.buf, &oid, &referent, |
2419 | &type, &ignore_errno)) { | |
661558f0 | 2420 | strbuf_addf(err, _("'%s' exists; cannot create '%s'"), |
b05855b5 MH |
2421 | dirname.buf, refname); |
2422 | goto cleanup; | |
2423 | } | |
2424 | ||
2425 | if (extras && string_list_has_string(extras, dirname.buf)) { | |
661558f0 | 2426 | strbuf_addf(err, _("cannot process '%s' and '%s' at the same time"), |
b05855b5 MH |
2427 | refname, dirname.buf); |
2428 | goto cleanup; | |
2429 | } | |
2430 | } | |
2431 | ||
2432 | /* | |
2433 | * We are at the leaf of our refname (e.g., "refs/foo/bar"). | |
2434 | * There is no point in searching for a reference with that | |
2435 | * name, because a refname isn't considered to conflict with | |
2436 | * itself. But we still need to check for references whose | |
2437 | * names are in the "refs/foo/bar/" namespace, because they | |
2438 | * *do* conflict. | |
2439 | */ | |
2440 | strbuf_addstr(&dirname, refname + dirname.len); | |
2441 | strbuf_addch(&dirname, '/'); | |
2442 | ||
b269ac53 | 2443 | iter = refs_ref_iterator_begin(refs, dirname.buf, NULL, 0, |
b05855b5 MH |
2444 | DO_FOR_EACH_INCLUDE_BROKEN); |
2445 | while ((ok = ref_iterator_advance(iter)) == ITER_OK) { | |
2446 | if (skip && | |
2447 | string_list_has_string(skip, iter->refname)) | |
2448 | continue; | |
2449 | ||
661558f0 | 2450 | strbuf_addf(err, _("'%s' exists; cannot create '%s'"), |
b05855b5 MH |
2451 | iter->refname, refname); |
2452 | ref_iterator_abort(iter); | |
2453 | goto cleanup; | |
2454 | } | |
2455 | ||
2456 | if (ok != ITER_DONE) | |
033abf97 | 2457 | BUG("error while iterating over references"); |
b05855b5 MH |
2458 | |
2459 | extra_refname = find_descendant_ref(dirname.buf, extras, skip); | |
2460 | if (extra_refname) | |
661558f0 | 2461 | strbuf_addf(err, _("cannot process '%s' and '%s' at the same time"), |
b05855b5 MH |
2462 | refname, extra_refname); |
2463 | else | |
2464 | ret = 0; | |
2465 | ||
2466 | cleanup: | |
2467 | strbuf_release(&referent); | |
2468 | strbuf_release(&dirname); | |
2469 | return ret; | |
62665823 | 2470 | } |
e3688bd6 | 2471 | |
7d2df051 | 2472 | int refs_for_each_reflog(struct ref_store *refs, each_ref_fn fn, void *cb_data) |
e3688bd6 | 2473 | { |
e3688bd6 | 2474 | struct ref_iterator *iter; |
4a6067cd | 2475 | struct do_for_each_ref_help hp = { fn, cb_data }; |
e3688bd6 DT |
2476 | |
2477 | iter = refs->be->reflog_iterator_begin(refs); | |
2478 | ||
4a6067cd SB |
2479 | return do_for_each_repo_ref_iterator(the_repository, iter, |
2480 | do_for_each_ref_helper, &hp); | |
e3688bd6 DT |
2481 | } |
2482 | ||
7d2df051 | 2483 | int for_each_reflog(each_ref_fn fn, void *cb_data) |
e3688bd6 | 2484 | { |
23a3f0cb | 2485 | return refs_for_each_reflog(get_main_ref_store(the_repository), fn, cb_data); |
7d2df051 | 2486 | } |
e3688bd6 | 2487 | |
7d2df051 NTND |
2488 | int refs_for_each_reflog_ent_reverse(struct ref_store *refs, |
2489 | const char *refname, | |
2490 | each_reflog_ent_fn fn, | |
2491 | void *cb_data) | |
2492 | { | |
e3688bd6 DT |
2493 | return refs->be->for_each_reflog_ent_reverse(refs, refname, |
2494 | fn, cb_data); | |
2495 | } | |
2496 | ||
7d2df051 NTND |
2497 | int for_each_reflog_ent_reverse(const char *refname, each_reflog_ent_fn fn, |
2498 | void *cb_data) | |
2499 | { | |
23a3f0cb | 2500 | return refs_for_each_reflog_ent_reverse(get_main_ref_store(the_repository), |
7d2df051 NTND |
2501 | refname, fn, cb_data); |
2502 | } | |
2503 | ||
2504 | int refs_for_each_reflog_ent(struct ref_store *refs, const char *refname, | |
2505 | each_reflog_ent_fn fn, void *cb_data) | |
2506 | { | |
2507 | return refs->be->for_each_reflog_ent(refs, refname, fn, cb_data); | |
2508 | } | |
2509 | ||
e3688bd6 DT |
2510 | int for_each_reflog_ent(const char *refname, each_reflog_ent_fn fn, |
2511 | void *cb_data) | |
2512 | { | |
23a3f0cb | 2513 | return refs_for_each_reflog_ent(get_main_ref_store(the_repository), refname, |
7d2df051 NTND |
2514 | fn, cb_data); |
2515 | } | |
e3688bd6 | 2516 | |
7d2df051 NTND |
2517 | int refs_reflog_exists(struct ref_store *refs, const char *refname) |
2518 | { | |
2519 | return refs->be->reflog_exists(refs, refname); | |
e3688bd6 DT |
2520 | } |
2521 | ||
2522 | int reflog_exists(const char *refname) | |
2523 | { | |
23a3f0cb | 2524 | return refs_reflog_exists(get_main_ref_store(the_repository), refname); |
7d2df051 | 2525 | } |
e3688bd6 | 2526 | |
7d2df051 | 2527 | int refs_create_reflog(struct ref_store *refs, const char *refname, |
7b089120 | 2528 | struct strbuf *err) |
7d2df051 | 2529 | { |
7b089120 | 2530 | return refs->be->create_reflog(refs, refname, err); |
e3688bd6 DT |
2531 | } |
2532 | ||
7b089120 | 2533 | int safe_create_reflog(const char *refname, struct strbuf *err) |
e3688bd6 | 2534 | { |
23a3f0cb | 2535 | return refs_create_reflog(get_main_ref_store(the_repository), refname, |
7b089120 | 2536 | err); |
7d2df051 | 2537 | } |
e3688bd6 | 2538 | |
7d2df051 NTND |
2539 | int refs_delete_reflog(struct ref_store *refs, const char *refname) |
2540 | { | |
2541 | return refs->be->delete_reflog(refs, refname); | |
e3688bd6 DT |
2542 | } |
2543 | ||
2544 | int delete_reflog(const char *refname) | |
2545 | { | |
23a3f0cb | 2546 | return refs_delete_reflog(get_main_ref_store(the_repository), refname); |
7d2df051 | 2547 | } |
e3688bd6 | 2548 | |
7d2df051 | 2549 | int refs_reflog_expire(struct ref_store *refs, |
cc40b5ce | 2550 | const char *refname, |
7d2df051 NTND |
2551 | unsigned int flags, |
2552 | reflog_expiry_prepare_fn prepare_fn, | |
2553 | reflog_expiry_should_prune_fn should_prune_fn, | |
2554 | reflog_expiry_cleanup_fn cleanup_fn, | |
2555 | void *policy_cb_data) | |
2556 | { | |
cc40b5ce | 2557 | return refs->be->reflog_expire(refs, refname, flags, |
7d2df051 NTND |
2558 | prepare_fn, should_prune_fn, |
2559 | cleanup_fn, policy_cb_data); | |
e3688bd6 DT |
2560 | } |
2561 | ||
cc40b5ce | 2562 | int reflog_expire(const char *refname, |
e3688bd6 DT |
2563 | unsigned int flags, |
2564 | reflog_expiry_prepare_fn prepare_fn, | |
2565 | reflog_expiry_should_prune_fn should_prune_fn, | |
2566 | reflog_expiry_cleanup_fn cleanup_fn, | |
2567 | void *policy_cb_data) | |
2568 | { | |
23a3f0cb | 2569 | return refs_reflog_expire(get_main_ref_store(the_repository), |
cc40b5ce | 2570 | refname, flags, |
7d2df051 NTND |
2571 | prepare_fn, should_prune_fn, |
2572 | cleanup_fn, policy_cb_data); | |
e3688bd6 | 2573 | } |
fc681463 DT |
2574 | |
2575 | int initial_ref_transaction_commit(struct ref_transaction *transaction, | |
2576 | struct strbuf *err) | |
2577 | { | |
c0fe4e8b | 2578 | struct ref_store *refs = transaction->ref_store; |
fc681463 DT |
2579 | |
2580 | return refs->be->initial_transaction_commit(refs, transaction, err); | |
2581 | } | |
a27dcf89 | 2582 | |
4f2ba2d0 PS |
2583 | void ref_transaction_for_each_queued_update(struct ref_transaction *transaction, |
2584 | ref_transaction_for_each_queued_update_fn cb, | |
2585 | void *cb_data) | |
2586 | { | |
2587 | int i; | |
2588 | ||
2589 | for (i = 0; i < transaction->nr; i++) { | |
2590 | struct ref_update *update = transaction->updates[i]; | |
2591 | ||
2592 | cb(update->refname, | |
2593 | (update->flags & REF_HAVE_OLD) ? &update->old_oid : NULL, | |
2594 | (update->flags & REF_HAVE_NEW) ? &update->new_oid : NULL, | |
2595 | cb_data); | |
2596 | } | |
2597 | } | |
2598 | ||
523fa69c | 2599 | int refs_delete_refs(struct ref_store *refs, const char *logmsg, |
64da4199 | 2600 | struct string_list *refnames, unsigned int flags) |
a27dcf89 | 2601 | { |
523fa69c JH |
2602 | char *msg; |
2603 | int retval; | |
2604 | ||
2605 | msg = normalize_reflog_message(logmsg); | |
2606 | retval = refs->be->delete_refs(refs, msg, refnames, flags); | |
2607 | free(msg); | |
2608 | return retval; | |
a27dcf89 | 2609 | } |
9b6b40d9 | 2610 | |
64da4199 MH |
2611 | int delete_refs(const char *msg, struct string_list *refnames, |
2612 | unsigned int flags) | |
9b6b40d9 | 2613 | { |
23a3f0cb | 2614 | return refs_delete_refs(get_main_ref_store(the_repository), msg, refnames, flags); |
7d2df051 | 2615 | } |
9b6b40d9 | 2616 | |
7d2df051 NTND |
2617 | int refs_rename_ref(struct ref_store *refs, const char *oldref, |
2618 | const char *newref, const char *logmsg) | |
2619 | { | |
523fa69c JH |
2620 | char *msg; |
2621 | int retval; | |
2622 | ||
2623 | msg = normalize_reflog_message(logmsg); | |
2624 | retval = refs->be->rename_ref(refs, oldref, newref, msg); | |
2625 | free(msg); | |
2626 | return retval; | |
9b6b40d9 | 2627 | } |
7d2df051 NTND |
2628 | |
2629 | int rename_ref(const char *oldref, const char *newref, const char *logmsg) | |
2630 | { | |
23a3f0cb | 2631 | return refs_rename_ref(get_main_ref_store(the_repository), oldref, newref, logmsg); |
7d2df051 | 2632 | } |
52d59cc6 SD |
2633 | |
2634 | int refs_copy_existing_ref(struct ref_store *refs, const char *oldref, | |
2635 | const char *newref, const char *logmsg) | |
2636 | { | |
523fa69c JH |
2637 | char *msg; |
2638 | int retval; | |
2639 | ||
2640 | msg = normalize_reflog_message(logmsg); | |
2641 | retval = refs->be->copy_ref(refs, oldref, newref, msg); | |
2642 | free(msg); | |
2643 | return retval; | |
52d59cc6 SD |
2644 | } |
2645 | ||
2646 | int copy_existing_ref(const char *oldref, const char *newref, const char *logmsg) | |
2647 | { | |
23a3f0cb | 2648 | return refs_copy_existing_ref(get_main_ref_store(the_repository), oldref, newref, logmsg); |
52d59cc6 | 2649 | } |