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Commit | Line | Data |
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a6dc3d36 | 1 | #include "cache.h" |
0b027f6c | 2 | #include "abspath.h" |
36bf1958 | 3 | #include "alloc.h" |
b2141fc1 | 4 | #include "config.h" |
32a8f510 | 5 | #include "environment.h" |
f394e093 | 6 | #include "gettext.h" |
41771fa4 | 7 | #include "hex.h" |
5751f490 | 8 | #include "remote.h" |
6dcbdc0d | 9 | #include "urlmatch.h" |
5751f490 | 10 | #include "refs.h" |
ec0cb496 | 11 | #include "refspec.h" |
cbd53a21 | 12 | #include "object-store.h" |
6d21bf96 JH |
13 | #include "commit.h" |
14 | #include "diff.h" | |
15 | #include "revision.h" | |
8ca12c0d | 16 | #include "dir.h" |
ec8452d5 | 17 | #include "tag.h" |
e38da487 | 18 | #include "setup.h" |
73cf0822 | 19 | #include "string-list.h" |
dbbcd44f | 20 | #include "strvec.h" |
64043556 | 21 | #include "commit-reach.h" |
dd8dd300 | 22 | #include "advice.h" |
1d04e719 | 23 | #include "connect.h" |
5751f490 | 24 | |
6ddba5e2 FC |
25 | enum map_direction { FROM_SRC, FROM_DST }; |
26 | ||
844112ca JH |
27 | struct counted_string { |
28 | size_t len; | |
29 | const char *s; | |
30 | }; | |
55029ae4 | 31 | |
0a4da29d DB |
32 | static int valid_remote(const struct remote *remote) |
33 | { | |
c578f51d | 34 | return (!!remote->url) || (!!remote->foreign_vcs); |
0a4da29d DB |
35 | } |
36 | ||
d071d942 | 37 | static const char *alias_url(const char *url, struct rewrites *r) |
55029ae4 DB |
38 | { |
39 | int i, j; | |
844112ca JH |
40 | struct counted_string *longest; |
41 | int longest_i; | |
42 | ||
43 | longest = NULL; | |
44 | longest_i = -1; | |
d071d942 JT |
45 | for (i = 0; i < r->rewrite_nr; i++) { |
46 | if (!r->rewrite[i]) | |
55029ae4 | 47 | continue; |
d071d942 | 48 | for (j = 0; j < r->rewrite[i]->instead_of_nr; j++) { |
59556548 | 49 | if (starts_with(url, r->rewrite[i]->instead_of[j].s) && |
844112ca | 50 | (!longest || |
d071d942 JT |
51 | longest->len < r->rewrite[i]->instead_of[j].len)) { |
52 | longest = &(r->rewrite[i]->instead_of[j]); | |
844112ca | 53 | longest_i = i; |
55029ae4 DB |
54 | } |
55 | } | |
56 | } | |
844112ca JH |
57 | if (!longest) |
58 | return url; | |
59 | ||
75faa45a | 60 | return xstrfmt("%s%s", r->rewrite[longest_i]->base, url + longest->len); |
55029ae4 DB |
61 | } |
62 | ||
28b91f8a | 63 | static void add_url(struct remote *remote, const char *url) |
5751f490 | 64 | { |
2d31347b DB |
65 | ALLOC_GROW(remote->url, remote->url_nr + 1, remote->url_alloc); |
66 | remote->url[remote->url_nr++] = url; | |
5751f490 DB |
67 | } |
68 | ||
20346234 MG |
69 | static void add_pushurl(struct remote *remote, const char *pushurl) |
70 | { | |
71 | ALLOC_GROW(remote->pushurl, remote->pushurl_nr + 1, remote->pushurl_alloc); | |
72 | remote->pushurl[remote->pushurl_nr++] = pushurl; | |
73 | } | |
74 | ||
085b98f6 GC |
75 | static void add_pushurl_alias(struct remote_state *remote_state, |
76 | struct remote *remote, const char *url) | |
1c2eafb8 | 77 | { |
085b98f6 | 78 | const char *pushurl = alias_url(url, &remote_state->rewrites_push); |
1c2eafb8 JT |
79 | if (pushurl != url) |
80 | add_pushurl(remote, pushurl); | |
81 | } | |
82 | ||
085b98f6 GC |
83 | static void add_url_alias(struct remote_state *remote_state, |
84 | struct remote *remote, const char *url) | |
1c2eafb8 | 85 | { |
085b98f6 GC |
86 | add_url(remote, alias_url(url, &remote_state->rewrites)); |
87 | add_pushurl_alias(remote_state, remote, url); | |
1c2eafb8 JT |
88 | } |
89 | ||
d0da003d PR |
90 | struct remotes_hash_key { |
91 | const char *str; | |
92 | int len; | |
93 | }; | |
94 | ||
5cf88fd8 | 95 | static int remotes_hash_cmp(const void *cmp_data UNUSED, |
939af16e EW |
96 | const struct hashmap_entry *eptr, |
97 | const struct hashmap_entry *entry_or_key, | |
45dcb35f | 98 | const void *keydata) |
d0da003d | 99 | { |
939af16e | 100 | const struct remote *a, *b; |
45dcb35f SB |
101 | const struct remotes_hash_key *key = keydata; |
102 | ||
939af16e EW |
103 | a = container_of(eptr, const struct remote, ent); |
104 | b = container_of(entry_or_key, const struct remote, ent); | |
105 | ||
d0da003d PR |
106 | if (key) |
107 | return strncmp(a->name, key->str, key->len) || a->name[key->len]; | |
108 | else | |
109 | return strcmp(a->name, b->name); | |
110 | } | |
111 | ||
085b98f6 GC |
112 | static struct remote *make_remote(struct remote_state *remote_state, |
113 | const char *name, int len) | |
5751f490 | 114 | { |
6540b716 | 115 | struct remote *ret; |
d0da003d | 116 | struct remotes_hash_key lookup; |
f23a4651 | 117 | struct hashmap_entry lookup_entry, *e; |
5751f490 | 118 | |
d0da003d PR |
119 | if (!len) |
120 | len = strlen(name); | |
121 | ||
d0da003d PR |
122 | lookup.str = name; |
123 | lookup.len = len; | |
124 | hashmap_entry_init(&lookup_entry, memhash(name, len)); | |
125 | ||
085b98f6 | 126 | e = hashmap_get(&remote_state->remotes_hash, &lookup_entry, &lookup); |
f23a4651 EW |
127 | if (e) |
128 | return container_of(e, struct remote, ent); | |
5751f490 | 129 | |
ca56dadb | 130 | CALLOC_ARRAY(ret, 1); |
737c5a9c | 131 | ret->prune = -1; /* unspecified */ |
97716d21 | 132 | ret->prune_tags = -1; /* unspecified */ |
6bdb304b BW |
133 | ret->name = xstrndup(name, len); |
134 | refspec_init(&ret->push, REFSPEC_PUSH); | |
e5349abf | 135 | refspec_init(&ret->fetch, REFSPEC_FETCH); |
6bdb304b | 136 | |
085b98f6 GC |
137 | ALLOC_GROW(remote_state->remotes, remote_state->remotes_nr + 1, |
138 | remote_state->remotes_alloc); | |
139 | remote_state->remotes[remote_state->remotes_nr++] = ret; | |
d0da003d | 140 | |
d22245a2 | 141 | hashmap_entry_init(&ret->ent, lookup_entry.hash); |
085b98f6 | 142 | if (hashmap_put_entry(&remote_state->remotes_hash, ret, ent)) |
6540b716 | 143 | BUG("hashmap_put overwrote entry after hashmap_get returned NULL"); |
2d31347b | 144 | return ret; |
5751f490 DB |
145 | } |
146 | ||
fd3cb050 GC |
147 | static void remote_clear(struct remote *remote) |
148 | { | |
149 | int i; | |
150 | ||
151 | free((char *)remote->name); | |
152 | free((char *)remote->foreign_vcs); | |
153 | ||
338959da | 154 | for (i = 0; i < remote->url_nr; i++) |
fd3cb050 | 155 | free((char *)remote->url[i]); |
323822c7 | 156 | FREE_AND_NULL(remote->url); |
fd3cb050 | 157 | |
338959da | 158 | for (i = 0; i < remote->pushurl_nr; i++) |
fd3cb050 | 159 | free((char *)remote->pushurl[i]); |
fd3cb050 GC |
160 | FREE_AND_NULL(remote->pushurl); |
161 | free((char *)remote->receivepack); | |
162 | free((char *)remote->uploadpack); | |
163 | FREE_AND_NULL(remote->http_proxy); | |
164 | FREE_AND_NULL(remote->http_proxy_authmethod); | |
165 | } | |
166 | ||
cf818348 DB |
167 | static void add_merge(struct branch *branch, const char *name) |
168 | { | |
2d31347b DB |
169 | ALLOC_GROW(branch->merge_name, branch->merge_nr + 1, |
170 | branch->merge_alloc); | |
171 | branch->merge_name[branch->merge_nr++] = name; | |
cf818348 DB |
172 | } |
173 | ||
4a2dcb1a GC |
174 | struct branches_hash_key { |
175 | const char *str; | |
176 | int len; | |
177 | }; | |
178 | ||
5cf88fd8 | 179 | static int branches_hash_cmp(const void *cmp_data UNUSED, |
4a2dcb1a GC |
180 | const struct hashmap_entry *eptr, |
181 | const struct hashmap_entry *entry_or_key, | |
182 | const void *keydata) | |
183 | { | |
184 | const struct branch *a, *b; | |
185 | const struct branches_hash_key *key = keydata; | |
186 | ||
187 | a = container_of(eptr, const struct branch, ent); | |
188 | b = container_of(entry_or_key, const struct branch, ent); | |
189 | ||
190 | if (key) | |
191 | return strncmp(a->name, key->str, key->len) || | |
192 | a->name[key->len]; | |
193 | else | |
194 | return strcmp(a->name, b->name); | |
195 | } | |
196 | ||
197 | static struct branch *find_branch(struct remote_state *remote_state, | |
198 | const char *name, size_t len) | |
199 | { | |
200 | struct branches_hash_key lookup; | |
201 | struct hashmap_entry lookup_entry, *e; | |
202 | ||
4a2dcb1a GC |
203 | lookup.str = name; |
204 | lookup.len = len; | |
205 | hashmap_entry_init(&lookup_entry, memhash(name, len)); | |
206 | ||
207 | e = hashmap_get(&remote_state->branches_hash, &lookup_entry, &lookup); | |
208 | if (e) | |
209 | return container_of(e, struct branch, ent); | |
210 | ||
211 | return NULL; | |
212 | } | |
213 | ||
214 | static void die_on_missing_branch(struct repository *repo, | |
215 | struct branch *branch) | |
216 | { | |
217 | /* branch == NULL is always valid because it represents detached HEAD. */ | |
218 | if (branch && | |
91e2e8f6 GC |
219 | branch != find_branch(repo->remote_state, branch->name, |
220 | strlen(branch->name))) | |
4a2dcb1a GC |
221 | die("branch %s was not found in the repository", branch->name); |
222 | } | |
223 | ||
085b98f6 GC |
224 | static struct branch *make_branch(struct remote_state *remote_state, |
225 | const char *name, size_t len) | |
cf818348 | 226 | { |
2d31347b | 227 | struct branch *ret; |
cf818348 | 228 | |
4a2dcb1a GC |
229 | ret = find_branch(remote_state, name, len); |
230 | if (ret) | |
231 | return ret; | |
cf818348 | 232 | |
ca56dadb | 233 | CALLOC_ARRAY(ret, 1); |
021ba32a | 234 | ret->name = xstrndup(name, len); |
fa3f60b7 | 235 | ret->refname = xstrfmt("refs/heads/%s", ret->name); |
cf818348 | 236 | |
4a2dcb1a GC |
237 | hashmap_entry_init(&ret->ent, memhash(name, len)); |
238 | if (hashmap_put_entry(&remote_state->branches_hash, ret, ent)) | |
239 | BUG("hashmap_put overwrote entry after hashmap_get returned NULL"); | |
2d31347b | 240 | return ret; |
cf818348 DB |
241 | } |
242 | ||
021ba32a JK |
243 | static struct rewrite *make_rewrite(struct rewrites *r, |
244 | const char *base, size_t len) | |
55029ae4 DB |
245 | { |
246 | struct rewrite *ret; | |
247 | int i; | |
248 | ||
d071d942 | 249 | for (i = 0; i < r->rewrite_nr; i++) { |
021ba32a JK |
250 | if (len == r->rewrite[i]->baselen && |
251 | !strncmp(base, r->rewrite[i]->base, len)) | |
d071d942 | 252 | return r->rewrite[i]; |
55029ae4 DB |
253 | } |
254 | ||
d071d942 | 255 | ALLOC_GROW(r->rewrite, r->rewrite_nr + 1, r->rewrite_alloc); |
ca56dadb | 256 | CALLOC_ARRAY(ret, 1); |
d071d942 | 257 | r->rewrite[r->rewrite_nr++] = ret; |
021ba32a JK |
258 | ret->base = xstrndup(base, len); |
259 | ret->baselen = len; | |
55029ae4 DB |
260 | return ret; |
261 | } | |
262 | ||
263 | static void add_instead_of(struct rewrite *rewrite, const char *instead_of) | |
264 | { | |
265 | ALLOC_GROW(rewrite->instead_of, rewrite->instead_of_nr + 1, rewrite->instead_of_alloc); | |
844112ca JH |
266 | rewrite->instead_of[rewrite->instead_of_nr].s = instead_of; |
267 | rewrite->instead_of[rewrite->instead_of_nr].len = strlen(instead_of); | |
268 | rewrite->instead_of_nr++; | |
55029ae4 DB |
269 | } |
270 | ||
0e265a92 JK |
271 | static const char *skip_spaces(const char *s) |
272 | { | |
273 | while (isspace(*s)) | |
274 | s++; | |
275 | return s; | |
276 | } | |
277 | ||
085b98f6 GC |
278 | static void read_remotes_file(struct remote_state *remote_state, |
279 | struct remote *remote) | |
5751f490 | 280 | { |
0e265a92 | 281 | struct strbuf buf = STRBUF_INIT; |
e9d983f1 | 282 | FILE *f = fopen_or_warn(git_path("remotes/%s", remote->name), "r"); |
5751f490 DB |
283 | |
284 | if (!f) | |
285 | return; | |
e459b073 | 286 | remote->configured_in_repo = 1; |
89cf4c70 | 287 | remote->origin = REMOTE_REMOTES; |
18814d0e | 288 | while (strbuf_getline(&buf, f) != EOF) { |
0e265a92 | 289 | const char *v; |
5751f490 | 290 | |
0e265a92 | 291 | strbuf_rtrim(&buf); |
5751f490 | 292 | |
0e265a92 | 293 | if (skip_prefix(buf.buf, "URL:", &v)) |
085b98f6 GC |
294 | add_url_alias(remote_state, remote, |
295 | xstrdup(skip_spaces(v))); | |
0e265a92 | 296 | else if (skip_prefix(buf.buf, "Push:", &v)) |
6bdb304b | 297 | refspec_append(&remote->push, skip_spaces(v)); |
0e265a92 | 298 | else if (skip_prefix(buf.buf, "Pull:", &v)) |
e5349abf | 299 | refspec_append(&remote->fetch, skip_spaces(v)); |
5751f490 | 300 | } |
0e265a92 | 301 | strbuf_release(&buf); |
5751f490 DB |
302 | fclose(f); |
303 | } | |
304 | ||
085b98f6 GC |
305 | static void read_branches_file(struct remote_state *remote_state, |
306 | struct remote *remote) | |
5751f490 | 307 | { |
cf818348 | 308 | char *frag; |
f28e3ab2 | 309 | struct strbuf buf = STRBUF_INIT; |
e9d983f1 | 310 | FILE *f = fopen_or_warn(git_path("branches/%s", remote->name), "r"); |
5751f490 DB |
311 | |
312 | if (!f) | |
313 | return; | |
f28e3ab2 | 314 | |
8f309aeb | 315 | strbuf_getline_lf(&buf, f); |
0fb19906 | 316 | fclose(f); |
f28e3ab2 JK |
317 | strbuf_trim(&buf); |
318 | if (!buf.len) { | |
319 | strbuf_release(&buf); | |
5751f490 | 320 | return; |
f28e3ab2 JK |
321 | } |
322 | ||
e459b073 | 323 | remote->configured_in_repo = 1; |
89cf4c70 | 324 | remote->origin = REMOTE_BRANCHES; |
472fa4cd DB |
325 | |
326 | /* | |
55cfde25 | 327 | * The branches file would have URL and optionally |
a471214b | 328 | * #branch specified. The default (or specified) branch is |
f28e3ab2 JK |
329 | * fetched and stored in the local branch matching the |
330 | * remote name. | |
472fa4cd | 331 | */ |
f28e3ab2 JK |
332 | frag = strchr(buf.buf, '#'); |
333 | if (frag) | |
cf818348 | 334 | *(frag++) = '\0'; |
f28e3ab2 | 335 | else |
cc0f13c5 | 336 | frag = (char *)git_default_branch_name(0); |
f28e3ab2 | 337 | |
085b98f6 | 338 | add_url_alias(remote_state, remote, strbuf_detach(&buf, NULL)); |
1af8b8c0 RS |
339 | refspec_appendf(&remote->fetch, "refs/heads/%s:refs/heads/%s", |
340 | frag, remote->name); | |
55cfde25 | 341 | |
18afe101 MK |
342 | /* |
343 | * Cogito compatible push: push current HEAD to remote #branch | |
344 | * (master if missing) | |
345 | */ | |
1af8b8c0 | 346 | refspec_appendf(&remote->push, "HEAD:refs/heads/%s", frag); |
d71ab174 | 347 | remote->fetch_tags = 1; /* always auto-follow */ |
5751f490 DB |
348 | } |
349 | ||
ef90d6d4 | 350 | static int handle_config(const char *key, const char *value, void *cb) |
5751f490 DB |
351 | { |
352 | const char *name; | |
f5914f4b | 353 | size_t namelen; |
5751f490 DB |
354 | const char *subkey; |
355 | struct remote *remote; | |
cf818348 | 356 | struct branch *branch; |
085b98f6 GC |
357 | struct remote_state *remote_state = cb; |
358 | ||
bc60f8a7 | 359 | if (parse_config_key(key, "branch", &name, &namelen, &subkey) >= 0) { |
f1dfbd9e | 360 | /* There is no subsection. */ |
bc60f8a7 | 361 | if (!name) |
cf818348 | 362 | return 0; |
f1dfbd9e GC |
363 | /* There is a subsection, but it is empty. */ |
364 | if (!namelen) | |
365 | return -1; | |
085b98f6 | 366 | branch = make_branch(remote_state, name, namelen); |
bc60f8a7 | 367 | if (!strcmp(subkey, "remote")) { |
e41bf352 | 368 | return git_config_string(&branch->remote_name, key, value); |
bc60f8a7 | 369 | } else if (!strcmp(subkey, "pushremote")) { |
da66b274 | 370 | return git_config_string(&branch->pushremote_name, key, value); |
bc60f8a7 | 371 | } else if (!strcmp(subkey, "merge")) { |
d2370cc2 JH |
372 | if (!value) |
373 | return config_error_nonbool(key); | |
cf818348 | 374 | add_merge(branch, xstrdup(value)); |
d2370cc2 | 375 | } |
cf818348 | 376 | return 0; |
5751f490 | 377 | } |
bc60f8a7 | 378 | if (parse_config_key(key, "url", &name, &namelen, &subkey) >= 0) { |
55029ae4 | 379 | struct rewrite *rewrite; |
bc60f8a7 | 380 | if (!name) |
55029ae4 | 381 | return 0; |
bc60f8a7 | 382 | if (!strcmp(subkey, "insteadof")) { |
1c2eafb8 JT |
383 | if (!value) |
384 | return config_error_nonbool(key); | |
085b98f6 GC |
385 | rewrite = make_rewrite(&remote_state->rewrites, name, |
386 | namelen); | |
1c2eafb8 | 387 | add_instead_of(rewrite, xstrdup(value)); |
bc60f8a7 | 388 | } else if (!strcmp(subkey, "pushinsteadof")) { |
55029ae4 DB |
389 | if (!value) |
390 | return config_error_nonbool(key); | |
085b98f6 GC |
391 | rewrite = make_rewrite(&remote_state->rewrites_push, |
392 | name, namelen); | |
55029ae4 DB |
393 | add_instead_of(rewrite, xstrdup(value)); |
394 | } | |
395 | } | |
224c2171 | 396 | |
bc60f8a7 | 397 | if (parse_config_key(key, "remote", &name, &namelen, &subkey) < 0) |
5751f490 | 398 | return 0; |
224c2171 RR |
399 | |
400 | /* Handle remote.* variables */ | |
bc60f8a7 | 401 | if (!name && !strcmp(subkey, "pushdefault")) |
085b98f6 GC |
402 | return git_config_string(&remote_state->pushremote_name, key, |
403 | value); | |
224c2171 | 404 | |
bc60f8a7 TG |
405 | if (!name) |
406 | return 0; | |
224c2171 | 407 | /* Handle remote.<name>.* variables */ |
c82efafc | 408 | if (*name == '/') { |
0b9c3afd | 409 | warning(_("config remote shorthand cannot begin with '/': %s"), |
c82efafc BC |
410 | name); |
411 | return 0; | |
412 | } | |
085b98f6 | 413 | remote = make_remote(remote_state, name, namelen); |
89cf4c70 | 414 | remote->origin = REMOTE_CONFIG; |
6dc905d9 | 415 | if (current_config_scope() == CONFIG_SCOPE_LOCAL || |
08e9df23 | 416 | current_config_scope() == CONFIG_SCOPE_WORKTREE) |
e459b073 | 417 | remote->configured_in_repo = 1; |
bc60f8a7 | 418 | if (!strcmp(subkey, "mirror")) |
84bb2dfd | 419 | remote->mirror = git_config_bool(key, value); |
bc60f8a7 | 420 | else if (!strcmp(subkey, "skipdefaultupdate")) |
84bb2dfd | 421 | remote->skip_default_update = git_config_bool(key, value); |
bc60f8a7 | 422 | else if (!strcmp(subkey, "skipfetchall")) |
7cc91a2f | 423 | remote->skip_default_update = git_config_bool(key, value); |
bc60f8a7 | 424 | else if (!strcmp(subkey, "prune")) |
737c5a9c | 425 | remote->prune = git_config_bool(key, value); |
97716d21 ÆAB |
426 | else if (!strcmp(subkey, "prunetags")) |
427 | remote->prune_tags = git_config_bool(key, value); | |
bc60f8a7 | 428 | else if (!strcmp(subkey, "url")) { |
84bb2dfd PB |
429 | const char *v; |
430 | if (git_config_string(&v, key, value)) | |
431 | return -1; | |
432 | add_url(remote, v); | |
bc60f8a7 | 433 | } else if (!strcmp(subkey, "pushurl")) { |
20346234 MG |
434 | const char *v; |
435 | if (git_config_string(&v, key, value)) | |
436 | return -1; | |
437 | add_pushurl(remote, v); | |
bc60f8a7 | 438 | } else if (!strcmp(subkey, "push")) { |
84bb2dfd PB |
439 | const char *v; |
440 | if (git_config_string(&v, key, value)) | |
441 | return -1; | |
6bdb304b BW |
442 | refspec_append(&remote->push, v); |
443 | free((char *)v); | |
bc60f8a7 | 444 | } else if (!strcmp(subkey, "fetch")) { |
84bb2dfd PB |
445 | const char *v; |
446 | if (git_config_string(&v, key, value)) | |
447 | return -1; | |
e5349abf BW |
448 | refspec_append(&remote->fetch, v); |
449 | free((char *)v); | |
bc60f8a7 | 450 | } else if (!strcmp(subkey, "receivepack")) { |
84bb2dfd PB |
451 | const char *v; |
452 | if (git_config_string(&v, key, value)) | |
453 | return -1; | |
5751f490 | 454 | if (!remote->receivepack) |
84bb2dfd | 455 | remote->receivepack = v; |
5751f490 | 456 | else |
0b9c3afd | 457 | error(_("more than one receivepack given, using the first")); |
bc60f8a7 | 458 | } else if (!strcmp(subkey, "uploadpack")) { |
84bb2dfd PB |
459 | const char *v; |
460 | if (git_config_string(&v, key, value)) | |
461 | return -1; | |
0012ba21 | 462 | if (!remote->uploadpack) |
84bb2dfd | 463 | remote->uploadpack = v; |
0012ba21 | 464 | else |
0b9c3afd | 465 | error(_("more than one uploadpack given, using the first")); |
bc60f8a7 | 466 | } else if (!strcmp(subkey, "tagopt")) { |
d71ab174 DB |
467 | if (!strcmp(value, "--no-tags")) |
468 | remote->fetch_tags = -1; | |
944163a4 ST |
469 | else if (!strcmp(value, "--tags")) |
470 | remote->fetch_tags = 2; | |
bc60f8a7 | 471 | } else if (!strcmp(subkey, "proxy")) { |
84bb2dfd PB |
472 | return git_config_string((const char **)&remote->http_proxy, |
473 | key, value); | |
bc60f8a7 | 474 | } else if (!strcmp(subkey, "proxyauthmethod")) { |
ef976395 KF |
475 | return git_config_string((const char **)&remote->http_proxy_authmethod, |
476 | key, value); | |
bc60f8a7 | 477 | } else if (!strcmp(subkey, "vcs")) { |
c578f51d | 478 | return git_config_string(&remote->foreign_vcs, key, value); |
84bb2dfd | 479 | } |
5751f490 DB |
480 | return 0; |
481 | } | |
482 | ||
085b98f6 | 483 | static void alias_all_urls(struct remote_state *remote_state) |
55029ae4 DB |
484 | { |
485 | int i, j; | |
085b98f6 | 486 | for (i = 0; i < remote_state->remotes_nr; i++) { |
1c2eafb8 | 487 | int add_pushurl_aliases; |
085b98f6 | 488 | if (!remote_state->remotes[i]) |
55029ae4 | 489 | continue; |
085b98f6 GC |
490 | for (j = 0; j < remote_state->remotes[i]->pushurl_nr; j++) { |
491 | remote_state->remotes[i]->pushurl[j] = | |
492 | alias_url(remote_state->remotes[i]->pushurl[j], | |
493 | &remote_state->rewrites); | |
20346234 | 494 | } |
085b98f6 GC |
495 | add_pushurl_aliases = remote_state->remotes[i]->pushurl_nr == 0; |
496 | for (j = 0; j < remote_state->remotes[i]->url_nr; j++) { | |
1c2eafb8 | 497 | if (add_pushurl_aliases) |
fd3cb050 | 498 | add_pushurl_alias( |
085b98f6 GC |
499 | remote_state, remote_state->remotes[i], |
500 | remote_state->remotes[i]->url[j]); | |
501 | remote_state->remotes[i]->url[j] = | |
502 | alias_url(remote_state->remotes[i]->url[j], | |
503 | &remote_state->rewrites); | |
1c2eafb8 | 504 | } |
55029ae4 DB |
505 | } |
506 | } | |
507 | ||
085b98f6 | 508 | static void read_config(struct repository *repo) |
5751f490 | 509 | { |
5751f490 | 510 | int flag; |
e41bf352 | 511 | |
085b98f6 | 512 | if (repo->remote_state->initialized) |
5751f490 | 513 | return; |
085b98f6 | 514 | repo->remote_state->initialized = 1; |
e41bf352 | 515 | |
085b98f6 | 516 | repo->remote_state->current_branch = NULL; |
f2f12d16 | 517 | if (startup_info->have_repository) { |
085b98f6 | 518 | const char *head_ref = refs_resolve_ref_unsafe( |
ce14de03 | 519 | get_main_ref_store(repo), "HEAD", 0, NULL, &flag); |
f2f12d16 JK |
520 | if (head_ref && (flag & REF_ISSYMREF) && |
521 | skip_prefix(head_ref, "refs/heads/", &head_ref)) { | |
085b98f6 GC |
522 | repo->remote_state->current_branch = make_branch( |
523 | repo->remote_state, head_ref, strlen(head_ref)); | |
f2f12d16 | 524 | } |
5751f490 | 525 | } |
085b98f6 GC |
526 | repo_config(repo, handle_config, repo->remote_state); |
527 | alias_all_urls(repo->remote_state); | |
5751f490 DB |
528 | } |
529 | ||
df93e33c DB |
530 | static int valid_remote_nick(const char *name) |
531 | { | |
8ca12c0d | 532 | if (!name[0] || is_dot_or_dotdot(name)) |
df93e33c | 533 | return 0; |
d9244ecf JS |
534 | |
535 | /* remote nicknames cannot contain slashes */ | |
536 | while (*name) | |
537 | if (is_dir_sep(*name++)) | |
538 | return 0; | |
539 | return 1; | |
df93e33c DB |
540 | } |
541 | ||
56eed342 GC |
542 | static const char *remotes_remote_for_branch(struct remote_state *remote_state, |
543 | struct branch *branch, | |
544 | int *explicit) | |
f052154d JK |
545 | { |
546 | if (branch && branch->remote_name) { | |
547 | if (explicit) | |
548 | *explicit = 1; | |
549 | return branch->remote_name; | |
550 | } | |
551 | if (explicit) | |
552 | *explicit = 0; | |
8a649be7 TK |
553 | if (remote_state->remotes_nr == 1) |
554 | return remote_state->remotes[0]->name; | |
f052154d JK |
555 | return "origin"; |
556 | } | |
557 | ||
56eed342 GC |
558 | const char *remote_for_branch(struct branch *branch, int *explicit) |
559 | { | |
560 | read_config(the_repository); | |
4a2dcb1a GC |
561 | die_on_missing_branch(the_repository, branch); |
562 | ||
56eed342 GC |
563 | return remotes_remote_for_branch(the_repository->remote_state, branch, |
564 | explicit); | |
565 | } | |
566 | ||
567 | static const char * | |
568 | remotes_pushremote_for_branch(struct remote_state *remote_state, | |
569 | struct branch *branch, int *explicit) | |
da66b274 JK |
570 | { |
571 | if (branch && branch->pushremote_name) { | |
572 | if (explicit) | |
573 | *explicit = 1; | |
574 | return branch->pushremote_name; | |
575 | } | |
56eed342 | 576 | if (remote_state->pushremote_name) { |
da66b274 JK |
577 | if (explicit) |
578 | *explicit = 1; | |
56eed342 | 579 | return remote_state->pushremote_name; |
da66b274 | 580 | } |
56eed342 | 581 | return remotes_remote_for_branch(remote_state, branch, explicit); |
da66b274 JK |
582 | } |
583 | ||
56eed342 GC |
584 | const char *pushremote_for_branch(struct branch *branch, int *explicit) |
585 | { | |
586 | read_config(the_repository); | |
4a2dcb1a GC |
587 | die_on_missing_branch(the_repository, branch); |
588 | ||
56eed342 GC |
589 | return remotes_pushremote_for_branch(the_repository->remote_state, |
590 | branch, explicit); | |
da66b274 JK |
591 | } |
592 | ||
56eed342 GC |
593 | static struct remote *remotes_remote_get(struct remote_state *remote_state, |
594 | const char *name); | |
595 | ||
af8ccd8a | 596 | const char *remote_ref_for_branch(struct branch *branch, int for_push) |
9700fae5 | 597 | { |
56eed342 | 598 | read_config(the_repository); |
4a2dcb1a GC |
599 | die_on_missing_branch(the_repository, branch); |
600 | ||
9700fae5 W |
601 | if (branch) { |
602 | if (!for_push) { | |
603 | if (branch->merge_nr) { | |
9700fae5 W |
604 | return branch->merge_name[0]; |
605 | } | |
606 | } else { | |
56eed342 GC |
607 | const char *dst, |
608 | *remote_name = remotes_pushremote_for_branch( | |
609 | the_repository->remote_state, branch, | |
610 | NULL); | |
611 | struct remote *remote = remotes_remote_get( | |
612 | the_repository->remote_state, remote_name); | |
9700fae5 | 613 | |
6bdb304b | 614 | if (remote && remote->push.nr && |
d000414e | 615 | (dst = apply_refspecs(&remote->push, |
9700fae5 | 616 | branch->refname))) { |
9700fae5 W |
617 | return dst; |
618 | } | |
619 | } | |
620 | } | |
af8ccd8a | 621 | return NULL; |
9700fae5 W |
622 | } |
623 | ||
6dcbdc0d DS |
624 | static void validate_remote_url(struct remote *remote) |
625 | { | |
626 | int i; | |
627 | const char *value; | |
628 | struct strbuf redacted = STRBUF_INIT; | |
629 | int warn_not_die; | |
630 | ||
7281c196 | 631 | if (git_config_get_string_tmp("transfer.credentialsinurl", &value)) |
6dcbdc0d DS |
632 | return; |
633 | ||
634 | if (!strcmp("warn", value)) | |
635 | warn_not_die = 1; | |
636 | else if (!strcmp("die", value)) | |
637 | warn_not_die = 0; | |
638 | else if (!strcmp("allow", value)) | |
639 | return; | |
640 | else | |
b4eda05d | 641 | die(_("unrecognized value transfer.credentialsInUrl: '%s'"), value); |
6dcbdc0d DS |
642 | |
643 | for (i = 0; i < remote->url_nr; i++) { | |
644 | struct url_info url_info = { 0 }; | |
645 | ||
646 | if (!url_normalize(remote->url[i], &url_info) || | |
647 | !url_info.passwd_off) | |
648 | goto loop_cleanup; | |
649 | ||
650 | strbuf_reset(&redacted); | |
651 | strbuf_add(&redacted, url_info.url, url_info.passwd_off); | |
652 | strbuf_addstr(&redacted, "<redacted>"); | |
653 | strbuf_addstr(&redacted, | |
654 | url_info.url + url_info.passwd_off + url_info.passwd_len); | |
655 | ||
656 | if (warn_not_die) | |
657 | warning(_("URL '%s' uses plaintext credentials"), redacted.buf); | |
658 | else | |
659 | die(_("URL '%s' uses plaintext credentials"), redacted.buf); | |
660 | ||
661 | loop_cleanup: | |
662 | free(url_info.url); | |
663 | } | |
664 | ||
665 | strbuf_release(&redacted); | |
666 | } | |
667 | ||
56eed342 GC |
668 | static struct remote * |
669 | remotes_remote_get_1(struct remote_state *remote_state, const char *name, | |
670 | const char *(*get_default)(struct remote_state *, | |
671 | struct branch *, int *)) | |
5751f490 DB |
672 | { |
673 | struct remote *ret; | |
fa685bdf | 674 | int name_given = 0; |
5751f490 | 675 | |
fa685bdf DB |
676 | if (name) |
677 | name_given = 1; | |
da66b274 | 678 | else |
56eed342 | 679 | name = get_default(remote_state, remote_state->current_branch, |
fd3cb050 | 680 | &name_given); |
9326d494 | 681 | |
56eed342 | 682 | ret = make_remote(remote_state, name, 0); |
4539c218 | 683 | if (valid_remote_nick(name) && have_git_dir()) { |
0a4da29d | 684 | if (!valid_remote(ret)) |
56eed342 | 685 | read_remotes_file(remote_state, ret); |
0a4da29d | 686 | if (!valid_remote(ret)) |
56eed342 | 687 | read_branches_file(remote_state, ret); |
5751f490 | 688 | } |
0a4da29d | 689 | if (name_given && !valid_remote(ret)) |
56eed342 | 690 | add_url_alias(remote_state, ret, name); |
0a4da29d | 691 | if (!valid_remote(ret)) |
5751f490 | 692 | return NULL; |
6dcbdc0d DS |
693 | |
694 | validate_remote_url(ret); | |
695 | ||
5751f490 DB |
696 | return ret; |
697 | } | |
6b62816c | 698 | |
56eed342 GC |
699 | static inline struct remote * |
700 | remotes_remote_get(struct remote_state *remote_state, const char *name) | |
701 | { | |
702 | return remotes_remote_get_1(remote_state, name, | |
703 | remotes_remote_for_branch); | |
704 | } | |
705 | ||
f24f715e RR |
706 | struct remote *remote_get(const char *name) |
707 | { | |
56eed342 GC |
708 | read_config(the_repository); |
709 | return remotes_remote_get(the_repository->remote_state, name); | |
710 | } | |
711 | ||
712 | static inline struct remote * | |
713 | remotes_pushremote_get(struct remote_state *remote_state, const char *name) | |
714 | { | |
715 | return remotes_remote_get_1(remote_state, name, | |
716 | remotes_pushremote_for_branch); | |
f24f715e RR |
717 | } |
718 | ||
719 | struct remote *pushremote_get(const char *name) | |
720 | { | |
56eed342 GC |
721 | read_config(the_repository); |
722 | return remotes_pushremote_get(the_repository->remote_state, name); | |
f24f715e RR |
723 | } |
724 | ||
e459b073 | 725 | int remote_is_configured(struct remote *remote, int in_repo) |
9a23ba33 | 726 | { |
e459b073 JS |
727 | if (!remote) |
728 | return 0; | |
729 | if (in_repo) | |
730 | return remote->configured_in_repo; | |
731 | return !!remote->origin; | |
9a23ba33 FAG |
732 | } |
733 | ||
b42f6927 JS |
734 | int for_each_remote(each_remote_fn fn, void *priv) |
735 | { | |
736 | int i, result = 0; | |
085b98f6 | 737 | read_config(the_repository); |
fd3cb050 GC |
738 | for (i = 0; i < the_repository->remote_state->remotes_nr && !result; |
739 | i++) { | |
740 | struct remote *remote = | |
741 | the_repository->remote_state->remotes[i]; | |
742 | if (!remote) | |
b42f6927 | 743 | continue; |
fd3cb050 | 744 | result = fn(remote, priv); |
b42f6927 JS |
745 | } |
746 | return result; | |
747 | } | |
748 | ||
df02ebda MH |
749 | static void handle_duplicate(struct ref *ref1, struct ref *ref2) |
750 | { | |
f096e6e8 MH |
751 | if (strcmp(ref1->name, ref2->name)) { |
752 | if (ref1->fetch_head_status != FETCH_HEAD_IGNORE && | |
753 | ref2->fetch_head_status != FETCH_HEAD_IGNORE) { | |
754 | die(_("Cannot fetch both %s and %s to %s"), | |
755 | ref1->name, ref2->name, ref2->peer_ref->name); | |
756 | } else if (ref1->fetch_head_status != FETCH_HEAD_IGNORE && | |
757 | ref2->fetch_head_status == FETCH_HEAD_IGNORE) { | |
758 | warning(_("%s usually tracks %s, not %s"), | |
759 | ref2->peer_ref->name, ref2->name, ref1->name); | |
760 | } else if (ref1->fetch_head_status == FETCH_HEAD_IGNORE && | |
761 | ref2->fetch_head_status == FETCH_HEAD_IGNORE) { | |
762 | die(_("%s tracks both %s and %s"), | |
763 | ref2->peer_ref->name, ref1->name, ref2->name); | |
764 | } else { | |
765 | /* | |
766 | * This last possibility doesn't occur because | |
767 | * FETCH_HEAD_IGNORE entries always appear at | |
768 | * the end of the list. | |
769 | */ | |
92ca8680 | 770 | BUG("Internal error"); |
f096e6e8 MH |
771 | } |
772 | } | |
df02ebda MH |
773 | free(ref2->peer_ref); |
774 | free(ref2); | |
775 | } | |
776 | ||
b9afe665 | 777 | struct ref *ref_remove_duplicates(struct ref *ref_map) |
2467a4fa | 778 | { |
183113a5 | 779 | struct string_list refs = STRING_LIST_INIT_NODUP; |
b9afe665 MH |
780 | struct ref *retval = NULL; |
781 | struct ref **p = &retval; | |
73cf0822 | 782 | |
b9afe665 MH |
783 | while (ref_map) { |
784 | struct ref *ref = ref_map; | |
785 | ||
786 | ref_map = ref_map->next; | |
787 | ref->next = NULL; | |
73cf0822 | 788 | |
b9afe665 MH |
789 | if (!ref->peer_ref) { |
790 | *p = ref; | |
791 | p = &ref->next; | |
09ea1f8e | 792 | } else { |
b9afe665 MH |
793 | struct string_list_item *item = |
794 | string_list_insert(&refs, ref->peer_ref->name); | |
795 | ||
796 | if (item->util) { | |
797 | /* Entry already existed */ | |
df02ebda | 798 | handle_duplicate((struct ref *)item->util, ref); |
b9afe665 MH |
799 | } else { |
800 | *p = ref; | |
801 | p = &ref->next; | |
802 | item->util = ref; | |
803 | } | |
2467a4fa DB |
804 | } |
805 | } | |
b9afe665 | 806 | |
73cf0822 | 807 | string_list_clear(&refs, 0); |
b9afe665 | 808 | return retval; |
2467a4fa DB |
809 | } |
810 | ||
28b91f8a | 811 | int remote_has_url(struct remote *remote, const char *url) |
5d46c9d4 DB |
812 | { |
813 | int i; | |
28b91f8a SP |
814 | for (i = 0; i < remote->url_nr; i++) { |
815 | if (!strcmp(remote->url[i], url)) | |
5d46c9d4 DB |
816 | return 1; |
817 | } | |
818 | return 0; | |
819 | } | |
820 | ||
e928213f DB |
821 | static int match_name_with_pattern(const char *key, const char *name, |
822 | const char *value, char **result) | |
a3c84239 | 823 | { |
08fbdb30 DB |
824 | const char *kstar = strchr(key, '*'); |
825 | size_t klen; | |
abd2bde7 DB |
826 | size_t ksuffixlen; |
827 | size_t namelen; | |
08fbdb30 DB |
828 | int ret; |
829 | if (!kstar) | |
0b9c3afd | 830 | die(_("key '%s' of pattern had no '*'"), key); |
08fbdb30 | 831 | klen = kstar - key; |
abd2bde7 DB |
832 | ksuffixlen = strlen(kstar + 1); |
833 | namelen = strlen(name); | |
834 | ret = !strncmp(name, key, klen) && namelen >= klen + ksuffixlen && | |
835 | !memcmp(name + namelen - ksuffixlen, kstar + 1, ksuffixlen); | |
e928213f | 836 | if (ret && value) { |
07bfa575 | 837 | struct strbuf sb = STRBUF_INIT; |
08fbdb30 | 838 | const char *vstar = strchr(value, '*'); |
08fbdb30 | 839 | if (!vstar) |
0b9c3afd | 840 | die(_("value '%s' of pattern has no '*'"), value); |
07bfa575 RS |
841 | strbuf_add(&sb, value, vstar - value); |
842 | strbuf_add(&sb, name + klen, namelen - klen - ksuffixlen); | |
843 | strbuf_addstr(&sb, vstar + 1); | |
844 | *result = strbuf_detach(&sb, NULL); | |
e928213f | 845 | } |
a3c84239 DB |
846 | return ret; |
847 | } | |
848 | ||
c0192df6 JK |
849 | static int refspec_match(const struct refspec_item *refspec, |
850 | const char *name) | |
851 | { | |
852 | if (refspec->pattern) | |
853 | return match_name_with_pattern(refspec->src, name, NULL, NULL); | |
854 | ||
855 | return !strcmp(refspec->src, name); | |
856 | } | |
857 | ||
2c80a82e | 858 | int omit_name_by_refspec(const char *name, struct refspec *rs) |
c0192df6 JK |
859 | { |
860 | int i; | |
861 | ||
862 | for (i = 0; i < rs->nr; i++) { | |
863 | if (rs->items[i].negative && refspec_match(&rs->items[i], name)) | |
864 | return 1; | |
865 | } | |
866 | return 0; | |
867 | } | |
868 | ||
869 | struct ref *apply_negative_refspecs(struct ref *ref_map, struct refspec *rs) | |
870 | { | |
871 | struct ref **tail; | |
872 | ||
873 | for (tail = &ref_map; *tail; ) { | |
874 | struct ref *ref = *tail; | |
875 | ||
876 | if (omit_name_by_refspec(ref->name, rs)) { | |
877 | *tail = ref->next; | |
878 | free(ref->peer_ref); | |
879 | free(ref); | |
880 | } else | |
881 | tail = &ref->next; | |
882 | } | |
883 | ||
884 | return ref_map; | |
885 | } | |
886 | ||
887 | static int query_matches_negative_refspec(struct refspec *rs, struct refspec_item *query) | |
888 | { | |
889 | int i, matched_negative = 0; | |
890 | int find_src = !query->src; | |
891 | struct string_list reversed = STRING_LIST_INIT_NODUP; | |
892 | const char *needle = find_src ? query->dst : query->src; | |
893 | ||
894 | /* | |
895 | * Check whether the queried ref matches any negative refpsec. If so, | |
896 | * then we should ultimately treat this as not matching the query at | |
897 | * all. | |
898 | * | |
899 | * Note that negative refspecs always match the source, but the query | |
900 | * item uses the destination. To handle this, we apply pattern | |
901 | * refspecs in reverse to figure out if the query source matches any | |
902 | * of the negative refspecs. | |
773c6941 NK |
903 | * |
904 | * The first loop finds and expands all positive refspecs | |
905 | * matched by the queried ref. | |
906 | * | |
907 | * The second loop checks if any of the results of the first loop | |
908 | * match any negative refspec. | |
c0192df6 JK |
909 | */ |
910 | for (i = 0; i < rs->nr; i++) { | |
911 | struct refspec_item *refspec = &rs->items[i]; | |
912 | char *expn_name; | |
913 | ||
914 | if (refspec->negative) | |
915 | continue; | |
916 | ||
917 | /* Note the reversal of src and dst */ | |
918 | if (refspec->pattern) { | |
919 | const char *key = refspec->dst ? refspec->dst : refspec->src; | |
920 | const char *value = refspec->src; | |
921 | ||
922 | if (match_name_with_pattern(key, needle, value, &expn_name)) | |
923 | string_list_append_nodup(&reversed, expn_name); | |
18f9c988 NK |
924 | } else if (refspec->matching) { |
925 | /* For the special matching refspec, any query should match */ | |
926 | string_list_append(&reversed, needle); | |
927 | } else if (!refspec->src) { | |
928 | BUG("refspec->src should not be null here"); | |
929 | } else if (!strcmp(needle, refspec->src)) { | |
930 | string_list_append(&reversed, refspec->src); | |
c0192df6 JK |
931 | } |
932 | } | |
933 | ||
934 | for (i = 0; !matched_negative && i < reversed.nr; i++) { | |
935 | if (omit_name_by_refspec(reversed.items[i].string, rs)) | |
936 | matched_negative = 1; | |
937 | } | |
938 | ||
939 | string_list_clear(&reversed, 0); | |
940 | ||
941 | return matched_negative; | |
942 | } | |
943 | ||
a2ac50cb BW |
944 | static void query_refspecs_multiple(struct refspec *rs, |
945 | struct refspec_item *query, | |
946 | struct string_list *results) | |
e6f63712 CMN |
947 | { |
948 | int i; | |
949 | int find_src = !query->src; | |
950 | ||
951 | if (find_src && !query->dst) | |
92ca8680 | 952 | BUG("query_refspecs_multiple: need either src or dst"); |
e6f63712 | 953 | |
c0192df6 JK |
954 | if (query_matches_negative_refspec(rs, query)) |
955 | return; | |
956 | ||
a2ac50cb BW |
957 | for (i = 0; i < rs->nr; i++) { |
958 | struct refspec_item *refspec = &rs->items[i]; | |
e6f63712 CMN |
959 | const char *key = find_src ? refspec->dst : refspec->src; |
960 | const char *value = find_src ? refspec->src : refspec->dst; | |
961 | const char *needle = find_src ? query->dst : query->src; | |
962 | char **result = find_src ? &query->src : &query->dst; | |
963 | ||
c0192df6 | 964 | if (!refspec->dst || refspec->negative) |
e6f63712 CMN |
965 | continue; |
966 | if (refspec->pattern) { | |
967 | if (match_name_with_pattern(key, needle, value, result)) | |
968 | string_list_append_nodup(results, *result); | |
969 | } else if (!strcmp(needle, key)) { | |
970 | string_list_append(results, value); | |
971 | } | |
972 | } | |
973 | } | |
974 | ||
86baf825 | 975 | int query_refspecs(struct refspec *rs, struct refspec_item *query) |
72ff8943 DB |
976 | { |
977 | int i; | |
c500352e | 978 | int find_src = !query->src; |
049bff8f MH |
979 | const char *needle = find_src ? query->dst : query->src; |
980 | char **result = find_src ? &query->src : &query->dst; | |
72ff8943 | 981 | |
c500352e | 982 | if (find_src && !query->dst) |
92ca8680 | 983 | BUG("query_refspecs: need either src or dst"); |
b42f6927 | 984 | |
c0192df6 JK |
985 | if (query_matches_negative_refspec(rs, query)) |
986 | return -1; | |
987 | ||
86baf825 BW |
988 | for (i = 0; i < rs->nr; i++) { |
989 | struct refspec_item *refspec = &rs->items[i]; | |
c500352e CMN |
990 | const char *key = find_src ? refspec->dst : refspec->src; |
991 | const char *value = find_src ? refspec->src : refspec->dst; | |
b42f6927 | 992 | |
c0192df6 | 993 | if (!refspec->dst || refspec->negative) |
5d46c9d4 | 994 | continue; |
c500352e | 995 | if (refspec->pattern) { |
e928213f | 996 | if (match_name_with_pattern(key, needle, value, result)) { |
c500352e | 997 | query->force = refspec->force; |
5d46c9d4 DB |
998 | return 0; |
999 | } | |
b42f6927 JS |
1000 | } else if (!strcmp(needle, key)) { |
1001 | *result = xstrdup(value); | |
c500352e | 1002 | query->force = refspec->force; |
b42f6927 | 1003 | return 0; |
5d46c9d4 DB |
1004 | } |
1005 | } | |
5d46c9d4 DB |
1006 | return -1; |
1007 | } | |
1008 | ||
d000414e | 1009 | char *apply_refspecs(struct refspec *rs, const char *name) |
c500352e | 1010 | { |
0ad4a5ff | 1011 | struct refspec_item query; |
c500352e | 1012 | |
0ad4a5ff | 1013 | memset(&query, 0, sizeof(struct refspec_item)); |
c500352e CMN |
1014 | query.src = (char *)name; |
1015 | ||
86baf825 | 1016 | if (query_refspecs(rs, &query)) |
c500352e CMN |
1017 | return NULL; |
1018 | ||
1019 | return query.dst; | |
1020 | } | |
1021 | ||
0ad4a5ff | 1022 | int remote_find_tracking(struct remote *remote, struct refspec_item *refspec) |
c500352e | 1023 | { |
86baf825 | 1024 | return query_refspecs(&remote->fetch, refspec); |
c500352e CMN |
1025 | } |
1026 | ||
8009768e RS |
1027 | static struct ref *alloc_ref_with_prefix(const char *prefix, size_t prefixlen, |
1028 | const char *name) | |
1029 | { | |
1030 | size_t len = strlen(name); | |
50a6c8ef | 1031 | struct ref *ref = xcalloc(1, st_add4(sizeof(*ref), prefixlen, len, 1)); |
8009768e RS |
1032 | memcpy(ref->name, prefix, prefixlen); |
1033 | memcpy(ref->name + prefixlen, name, len); | |
1034 | return ref; | |
1035 | } | |
1036 | ||
59c69c0c | 1037 | struct ref *alloc_ref(const char *name) |
dfd255dd | 1038 | { |
59c69c0c | 1039 | return alloc_ref_with_prefix("", 0, name); |
737922aa KK |
1040 | } |
1041 | ||
59a57757 | 1042 | struct ref *copy_ref(const struct ref *ref) |
d71ab174 | 1043 | { |
7b3db095 JS |
1044 | struct ref *cpy; |
1045 | size_t len; | |
1046 | if (!ref) | |
1047 | return NULL; | |
50a6c8ef JK |
1048 | len = st_add3(sizeof(struct ref), strlen(ref->name), 1); |
1049 | cpy = xmalloc(len); | |
1050 | memcpy(cpy, ref, len); | |
7b3db095 | 1051 | cpy->next = NULL; |
8c53f071 JK |
1052 | cpy->symref = xstrdup_or_null(ref->symref); |
1053 | cpy->remote_status = xstrdup_or_null(ref->remote_status); | |
7b3db095 JS |
1054 | cpy->peer_ref = copy_ref(ref->peer_ref); |
1055 | return cpy; | |
d71ab174 DB |
1056 | } |
1057 | ||
4577370e DB |
1058 | struct ref *copy_ref_list(const struct ref *ref) |
1059 | { | |
1060 | struct ref *ret = NULL; | |
1061 | struct ref **tail = &ret; | |
1062 | while (ref) { | |
1063 | *tail = copy_ref(ref); | |
1064 | ref = ref->next; | |
1065 | tail = &((*tail)->next); | |
1066 | } | |
1067 | return ret; | |
1068 | } | |
1069 | ||
1027186f | 1070 | void free_one_ref(struct ref *ref) |
be885d96 DB |
1071 | { |
1072 | if (!ref) | |
1073 | return; | |
1027186f | 1074 | free_one_ref(ref->peer_ref); |
be885d96 DB |
1075 | free(ref->remote_status); |
1076 | free(ref->symref); | |
1077 | free(ref); | |
1078 | } | |
1079 | ||
dfd255dd DB |
1080 | void free_refs(struct ref *ref) |
1081 | { | |
1082 | struct ref *next; | |
1083 | while (ref) { | |
1084 | next = ref->next; | |
1027186f | 1085 | free_one_ref(ref); |
dfd255dd DB |
1086 | ref = next; |
1087 | } | |
1088 | } | |
1089 | ||
ca02465b JH |
1090 | int count_refspec_match(const char *pattern, |
1091 | struct ref *refs, | |
1092 | struct ref **matched_ref) | |
6b62816c DB |
1093 | { |
1094 | int patlen = strlen(pattern); | |
1095 | struct ref *matched_weak = NULL; | |
1096 | struct ref *matched = NULL; | |
1097 | int weak_match = 0; | |
1098 | int match = 0; | |
1099 | ||
1100 | for (weak_match = match = 0; refs; refs = refs->next) { | |
1101 | char *name = refs->name; | |
1102 | int namelen = strlen(name); | |
6b62816c | 1103 | |
54457fe5 | 1104 | if (!refname_match(pattern, name)) |
6b62816c DB |
1105 | continue; |
1106 | ||
1107 | /* A match is "weak" if it is with refs outside | |
1108 | * heads or tags, and did not specify the pattern | |
1109 | * in full (e.g. "refs/remotes/origin/master") or at | |
1110 | * least from the toplevel (e.g. "remotes/origin/master"); | |
1111 | * otherwise "git push $URL master" would result in | |
1112 | * ambiguity between remotes/origin/master and heads/master | |
1113 | * at the remote site. | |
1114 | */ | |
1115 | if (namelen != patlen && | |
1116 | patlen != namelen - 5 && | |
59556548 CC |
1117 | !starts_with(name, "refs/heads/") && |
1118 | !starts_with(name, "refs/tags/")) { | |
6b62816c DB |
1119 | /* We want to catch the case where only weak |
1120 | * matches are found and there are multiple | |
1121 | * matches, and where more than one strong | |
1122 | * matches are found, as ambiguous. One | |
1123 | * strong match with zero or more weak matches | |
1124 | * are acceptable as a unique match. | |
1125 | */ | |
1126 | matched_weak = refs; | |
1127 | weak_match++; | |
1128 | } | |
1129 | else { | |
1130 | matched = refs; | |
1131 | match++; | |
1132 | } | |
1133 | } | |
1134 | if (!matched) { | |
471fd3fe JK |
1135 | if (matched_ref) |
1136 | *matched_ref = matched_weak; | |
6b62816c DB |
1137 | return weak_match; |
1138 | } | |
1139 | else { | |
471fd3fe JK |
1140 | if (matched_ref) |
1141 | *matched_ref = matched; | |
6b62816c DB |
1142 | return match; |
1143 | } | |
1144 | } | |
1145 | ||
1d735267 | 1146 | static void tail_link_ref(struct ref *ref, struct ref ***tail) |
6b62816c DB |
1147 | { |
1148 | **tail = ref; | |
1d735267 DB |
1149 | while (ref->next) |
1150 | ref = ref->next; | |
6b62816c | 1151 | *tail = &ref->next; |
6b62816c DB |
1152 | } |
1153 | ||
67655246 FC |
1154 | static struct ref *alloc_delete_ref(void) |
1155 | { | |
1156 | struct ref *ref = alloc_ref("(delete)"); | |
f4e54d02 | 1157 | oidclr(&ref->new_oid); |
67655246 FC |
1158 | return ref; |
1159 | } | |
1160 | ||
471fd3fe JK |
1161 | static int try_explicit_object_name(const char *name, |
1162 | struct ref **match) | |
6b62816c | 1163 | { |
fcd30b13 | 1164 | struct object_id oid; |
6b62816c | 1165 | |
471fd3fe JK |
1166 | if (!*name) { |
1167 | if (match) | |
1168 | *match = alloc_delete_ref(); | |
1169 | return 0; | |
1170 | } | |
1171 | ||
d850b7a5 | 1172 | if (repo_get_oid(the_repository, name, &oid)) |
471fd3fe JK |
1173 | return -1; |
1174 | ||
1175 | if (match) { | |
1176 | *match = alloc_ref(name); | |
fcd30b13 | 1177 | oidcpy(&(*match)->new_oid, &oid); |
471fd3fe JK |
1178 | } |
1179 | return 0; | |
6b62816c DB |
1180 | } |
1181 | ||
1d735267 | 1182 | static struct ref *make_linked_ref(const char *name, struct ref ***tail) |
6b62816c | 1183 | { |
59c69c0c | 1184 | struct ref *ret = alloc_ref(name); |
1d735267 DB |
1185 | tail_link_ref(ret, tail); |
1186 | return ret; | |
163f0ee5 | 1187 | } |
8558fd9e | 1188 | |
f8aae120 JK |
1189 | static char *guess_ref(const char *name, struct ref *peer) |
1190 | { | |
1191 | struct strbuf buf = STRBUF_INIT; | |
f8aae120 | 1192 | |
7695d118 | 1193 | const char *r = resolve_ref_unsafe(peer->name, RESOLVE_REF_READING, |
744c040b | 1194 | NULL, NULL); |
f8aae120 JK |
1195 | if (!r) |
1196 | return NULL; | |
1197 | ||
cab53989 | 1198 | if (starts_with(r, "refs/heads/")) { |
f8aae120 | 1199 | strbuf_addstr(&buf, "refs/heads/"); |
cab53989 | 1200 | } else if (starts_with(r, "refs/tags/")) { |
f8aae120 | 1201 | strbuf_addstr(&buf, "refs/tags/"); |
cab53989 | 1202 | } else { |
f8aae120 | 1203 | return NULL; |
cab53989 | 1204 | } |
f8aae120 JK |
1205 | |
1206 | strbuf_addstr(&buf, name); | |
1207 | return strbuf_detach(&buf, NULL); | |
1208 | } | |
1209 | ||
f7ade3d3 | 1210 | static int match_explicit_lhs(struct ref *src, |
0ad4a5ff | 1211 | struct refspec_item *rs, |
f7ade3d3 JK |
1212 | struct ref **match, |
1213 | int *allocated_match) | |
1214 | { | |
1215 | switch (count_refspec_match(rs->src, src, match)) { | |
1216 | case 1: | |
471fd3fe JK |
1217 | if (allocated_match) |
1218 | *allocated_match = 0; | |
f7ade3d3 JK |
1219 | return 0; |
1220 | case 0: | |
1221 | /* The source could be in the get_sha1() format | |
1222 | * not a reference name. :refs/other is a | |
1223 | * way to delete 'other' ref at the remote end. | |
1224 | */ | |
471fd3fe | 1225 | if (try_explicit_object_name(rs->src, match) < 0) |
0b9c3afd | 1226 | return error(_("src refspec %s does not match any"), rs->src); |
471fd3fe JK |
1227 | if (allocated_match) |
1228 | *allocated_match = 1; | |
f7ade3d3 JK |
1229 | return 0; |
1230 | default: | |
0b9c3afd | 1231 | return error(_("src refspec %s matches more than one"), rs->src); |
f7ade3d3 JK |
1232 | } |
1233 | } | |
1234 | ||
04d17287 ÆAB |
1235 | static void show_push_unqualified_ref_name_error(const char *dst_value, |
1236 | const char *matched_src_name) | |
1237 | { | |
dd8dd300 ÆAB |
1238 | struct object_id oid; |
1239 | enum object_type type; | |
1240 | ||
04d17287 ÆAB |
1241 | /* |
1242 | * TRANSLATORS: "matches '%s'%" is the <dst> part of "git push | |
1243 | * <remote> <src>:<dst>" push, and "being pushed ('%s')" is | |
1244 | * the <src>. | |
1245 | */ | |
1246 | error(_("The destination you provided is not a full refname (i.e.,\n" | |
1247 | "starting with \"refs/\"). We tried to guess what you meant by:\n" | |
1248 | "\n" | |
1249 | "- Looking for a ref that matches '%s' on the remote side.\n" | |
1250 | "- Checking if the <src> being pushed ('%s')\n" | |
1251 | " is a ref in \"refs/{heads,tags}/\". If so we add a corresponding\n" | |
1252 | " refs/{heads,tags}/ prefix on the remote side.\n" | |
1253 | "\n" | |
1254 | "Neither worked, so we gave up. You must fully qualify the ref."), | |
1255 | dst_value, matched_src_name); | |
dd8dd300 | 1256 | |
ed9bff08 | 1257 | if (!advice_enabled(ADVICE_PUSH_UNQUALIFIED_REF_NAME)) |
dd8dd300 ÆAB |
1258 | return; |
1259 | ||
d850b7a5 | 1260 | if (repo_get_oid(the_repository, matched_src_name, &oid)) |
dd8dd300 ÆAB |
1261 | BUG("'%s' is not a valid object, " |
1262 | "match_explicit_lhs() should catch this!", | |
1263 | matched_src_name); | |
1264 | type = oid_object_info(the_repository, &oid, NULL); | |
1265 | if (type == OBJ_COMMIT) { | |
1266 | advise(_("The <src> part of the refspec is a commit object.\n" | |
1267 | "Did you mean to create a new branch by pushing to\n" | |
1268 | "'%s:refs/heads/%s'?"), | |
1269 | matched_src_name, dst_value); | |
1270 | } else if (type == OBJ_TAG) { | |
1271 | advise(_("The <src> part of the refspec is a tag object.\n" | |
1272 | "Did you mean to create a new tag by pushing to\n" | |
1273 | "'%s:refs/tags/%s'?"), | |
1274 | matched_src_name, dst_value); | |
1275 | } else if (type == OBJ_TREE) { | |
1276 | advise(_("The <src> part of the refspec is a tree object.\n" | |
1277 | "Did you mean to tag a new tree by pushing to\n" | |
1278 | "'%s:refs/tags/%s'?"), | |
1279 | matched_src_name, dst_value); | |
1280 | } else if (type == OBJ_BLOB) { | |
1281 | advise(_("The <src> part of the refspec is a blob object.\n" | |
1282 | "Did you mean to tag a new blob by pushing to\n" | |
1283 | "'%s:refs/tags/%s'?"), | |
1284 | matched_src_name, dst_value); | |
1285 | } else { | |
1286 | BUG("'%s' should be commit/tag/tree/blob, is '%d'", | |
1287 | matched_src_name, type); | |
1288 | } | |
04d17287 ÆAB |
1289 | } |
1290 | ||
54a8ad92 JH |
1291 | static int match_explicit(struct ref *src, struct ref *dst, |
1292 | struct ref ***dst_tail, | |
0ad4a5ff | 1293 | struct refspec_item *rs) |
6b62816c | 1294 | { |
54a8ad92 | 1295 | struct ref *matched_src, *matched_dst; |
f7ade3d3 | 1296 | int allocated_src; |
8558fd9e | 1297 | |
54a8ad92 | 1298 | const char *dst_value = rs->dst; |
f8aae120 | 1299 | char *dst_guess; |
6b62816c | 1300 | |
c0192df6 | 1301 | if (rs->pattern || rs->matching || rs->negative) |
9a7bbd1d | 1302 | return 0; |
8558fd9e | 1303 | |
54a8ad92 | 1304 | matched_src = matched_dst = NULL; |
f7ade3d3 JK |
1305 | if (match_explicit_lhs(src, rs, &matched_src, &allocated_src) < 0) |
1306 | return -1; | |
3c8b7df1 | 1307 | |
4491e62a | 1308 | if (!dst_value) { |
9f0ea7e8 DB |
1309 | int flag; |
1310 | ||
7695d118 RS |
1311 | dst_value = resolve_ref_unsafe(matched_src->name, |
1312 | RESOLVE_REF_READING, | |
744c040b | 1313 | NULL, &flag); |
9f0ea7e8 DB |
1314 | if (!dst_value || |
1315 | ((flag & REF_ISSYMREF) && | |
59556548 | 1316 | !starts_with(dst_value, "refs/heads/"))) |
0b9c3afd | 1317 | die(_("%s cannot be resolved to branch"), |
9f0ea7e8 | 1318 | matched_src->name); |
4491e62a | 1319 | } |
3c8b7df1 | 1320 | |
54a8ad92 JH |
1321 | switch (count_refspec_match(dst_value, dst, &matched_dst)) { |
1322 | case 1: | |
1323 | break; | |
1324 | case 0: | |
cab53989 | 1325 | if (starts_with(dst_value, "refs/")) { |
1d735267 | 1326 | matched_dst = make_linked_ref(dst_value, dst_tail); |
cab53989 | 1327 | } else if (is_null_oid(&matched_src->new_oid)) { |
0b9c3afd | 1328 | error(_("unable to delete '%s': remote ref does not exist"), |
5742c82b | 1329 | dst_value); |
cab53989 | 1330 | } else if ((dst_guess = guess_ref(dst_value, matched_src))) { |
f8aae120 | 1331 | matched_dst = make_linked_ref(dst_guess, dst_tail); |
3dc7ea91 | 1332 | free(dst_guess); |
cab53989 | 1333 | } else { |
04d17287 ÆAB |
1334 | show_push_unqualified_ref_name_error(dst_value, |
1335 | matched_src->name); | |
cab53989 | 1336 | } |
54a8ad92 JH |
1337 | break; |
1338 | default: | |
3c8b7df1 | 1339 | matched_dst = NULL; |
0b9c3afd | 1340 | error(_("dst refspec %s matches more than one"), |
54a8ad92 JH |
1341 | dst_value); |
1342 | break; | |
1343 | } | |
9a7bbd1d JK |
1344 | if (!matched_dst) |
1345 | return -1; | |
1346 | if (matched_dst->peer_ref) | |
0b9c3afd NTND |
1347 | return error(_("dst ref %s receives from more than one src"), |
1348 | matched_dst->name); | |
54a8ad92 | 1349 | else { |
f7ade3d3 JK |
1350 | matched_dst->peer_ref = allocated_src ? |
1351 | matched_src : | |
1352 | copy_ref(matched_src); | |
54a8ad92 | 1353 | matched_dst->force = rs->force; |
6b62816c | 1354 | } |
9a7bbd1d | 1355 | return 0; |
54a8ad92 JH |
1356 | } |
1357 | ||
1358 | static int match_explicit_refs(struct ref *src, struct ref *dst, | |
9fa2e5e8 | 1359 | struct ref ***dst_tail, struct refspec *rs) |
54a8ad92 JH |
1360 | { |
1361 | int i, errs; | |
9fa2e5e8 BW |
1362 | for (i = errs = 0; i < rs->nr; i++) |
1363 | errs += match_explicit(src, dst, dst_tail, &rs->items[i]); | |
9a7bbd1d | 1364 | return errs; |
6b62816c DB |
1365 | } |
1366 | ||
f3acb830 BW |
1367 | static char *get_ref_match(const struct refspec *rs, const struct ref *ref, |
1368 | int send_mirror, int direction, | |
1369 | const struct refspec_item **ret_pat) | |
8558fd9e | 1370 | { |
0ad4a5ff | 1371 | const struct refspec_item *pat; |
db70a04c | 1372 | char *name; |
8558fd9e | 1373 | int i; |
a83619d6 | 1374 | int matching_refs = -1; |
f3acb830 BW |
1375 | for (i = 0; i < rs->nr; i++) { |
1376 | const struct refspec_item *item = &rs->items[i]; | |
c0192df6 JK |
1377 | |
1378 | if (item->negative) | |
1379 | continue; | |
1380 | ||
f3acb830 BW |
1381 | if (item->matching && |
1382 | (matching_refs == -1 || item->force)) { | |
a83619d6 PB |
1383 | matching_refs = i; |
1384 | continue; | |
1385 | } | |
1386 | ||
f3acb830 BW |
1387 | if (item->pattern) { |
1388 | const char *dst_side = item->dst ? item->dst : item->src; | |
6ddba5e2 FC |
1389 | int match; |
1390 | if (direction == FROM_SRC) | |
f3acb830 | 1391 | match = match_name_with_pattern(item->src, ref->name, dst_side, &name); |
6ddba5e2 | 1392 | else |
f3acb830 | 1393 | match = match_name_with_pattern(dst_side, ref->name, item->src, &name); |
6ddba5e2 | 1394 | if (match) { |
db70a04c FC |
1395 | matching_refs = i; |
1396 | break; | |
1397 | } | |
1398 | } | |
8558fd9e | 1399 | } |
db70a04c | 1400 | if (matching_refs == -1) |
a83619d6 | 1401 | return NULL; |
db70a04c | 1402 | |
f3acb830 | 1403 | pat = &rs->items[matching_refs]; |
db70a04c FC |
1404 | if (pat->matching) { |
1405 | /* | |
1406 | * "matching refs"; traditionally we pushed everything | |
1407 | * including refs outside refs/heads/ hierarchy, but | |
1408 | * that does not make much sense these days. | |
1409 | */ | |
59556548 | 1410 | if (!send_mirror && !starts_with(ref->name, "refs/heads/")) |
db70a04c FC |
1411 | return NULL; |
1412 | name = xstrdup(ref->name); | |
1413 | } | |
1414 | if (ret_pat) | |
1415 | *ret_pat = pat; | |
1416 | return name; | |
8558fd9e DB |
1417 | } |
1418 | ||
6d2bf96e CB |
1419 | static struct ref **tail_ref(struct ref **head) |
1420 | { | |
1421 | struct ref **tail = head; | |
1422 | while (*tail) | |
1423 | tail = &((*tail)->next); | |
1424 | return tail; | |
1425 | } | |
1426 | ||
c2aba155 JH |
1427 | struct tips { |
1428 | struct commit **tip; | |
1429 | int nr, alloc; | |
1430 | }; | |
1431 | ||
fcd30b13 | 1432 | static void add_to_tips(struct tips *tips, const struct object_id *oid) |
c2aba155 JH |
1433 | { |
1434 | struct commit *commit; | |
1435 | ||
fcd30b13 | 1436 | if (is_null_oid(oid)) |
c2aba155 | 1437 | return; |
21e1ee8f | 1438 | commit = lookup_commit_reference_gently(the_repository, oid, 1); |
c2aba155 JH |
1439 | if (!commit || (commit->object.flags & TMP_MARK)) |
1440 | return; | |
1441 | commit->object.flags |= TMP_MARK; | |
1442 | ALLOC_GROW(tips->tip, tips->nr + 1, tips->alloc); | |
1443 | tips->tip[tips->nr++] = commit; | |
1444 | } | |
1445 | ||
1446 | static void add_missing_tags(struct ref *src, struct ref **dst, struct ref ***dst_tail) | |
1447 | { | |
1448 | struct string_list dst_tag = STRING_LIST_INIT_NODUP; | |
1449 | struct string_list src_tag = STRING_LIST_INIT_NODUP; | |
1450 | struct string_list_item *item; | |
1451 | struct ref *ref; | |
1452 | struct tips sent_tips; | |
1453 | ||
1454 | /* | |
1455 | * Collect everything we know they would have at the end of | |
1456 | * this push, and collect all tags they have. | |
1457 | */ | |
1458 | memset(&sent_tips, 0, sizeof(sent_tips)); | |
1459 | for (ref = *dst; ref; ref = ref->next) { | |
1460 | if (ref->peer_ref && | |
f4e54d02 | 1461 | !is_null_oid(&ref->peer_ref->new_oid)) |
fcd30b13 | 1462 | add_to_tips(&sent_tips, &ref->peer_ref->new_oid); |
c2aba155 | 1463 | else |
fcd30b13 | 1464 | add_to_tips(&sent_tips, &ref->old_oid); |
59556548 | 1465 | if (starts_with(ref->name, "refs/tags/")) |
c2aba155 JH |
1466 | string_list_append(&dst_tag, ref->name); |
1467 | } | |
1468 | clear_commit_marks_many(sent_tips.nr, sent_tips.tip, TMP_MARK); | |
1469 | ||
3383e199 | 1470 | string_list_sort(&dst_tag); |
c2aba155 JH |
1471 | |
1472 | /* Collect tags they do not have. */ | |
1473 | for (ref = src; ref; ref = ref->next) { | |
59556548 | 1474 | if (!starts_with(ref->name, "refs/tags/")) |
c2aba155 JH |
1475 | continue; /* not a tag */ |
1476 | if (string_list_has_string(&dst_tag, ref->name)) | |
1477 | continue; /* they already have it */ | |
0df8e965 | 1478 | if (oid_object_info(the_repository, &ref->new_oid, NULL) != OBJ_TAG) |
c2aba155 JH |
1479 | continue; /* be conservative */ |
1480 | item = string_list_append(&src_tag, ref->name); | |
1481 | item->util = ref; | |
1482 | } | |
1483 | string_list_clear(&dst_tag, 0); | |
1484 | ||
1485 | /* | |
1486 | * At this point, src_tag lists tags that are missing from | |
1487 | * dst, and sent_tips lists the tips we are pushing or those | |
1488 | * that we know they already have. An element in the src_tag | |
1489 | * that is an ancestor of any of the sent_tips needs to be | |
1490 | * sent to the other side. | |
1491 | */ | |
1492 | if (sent_tips.nr) { | |
85daa01f DS |
1493 | const int reachable_flag = 1; |
1494 | struct commit_list *found_commits; | |
1495 | struct commit **src_commits; | |
1496 | int nr_src_commits = 0, alloc_src_commits = 16; | |
1497 | ALLOC_ARRAY(src_commits, alloc_src_commits); | |
1498 | ||
c2aba155 JH |
1499 | for_each_string_list_item(item, &src_tag) { |
1500 | struct ref *ref = item->util; | |
85daa01f DS |
1501 | struct commit *commit; |
1502 | ||
1503 | if (is_null_oid(&ref->new_oid)) | |
1504 | continue; | |
1505 | commit = lookup_commit_reference_gently(the_repository, | |
1506 | &ref->new_oid, | |
1507 | 1); | |
1508 | if (!commit) | |
1509 | /* not pushing a commit, which is not an error */ | |
1510 | continue; | |
1511 | ||
1512 | ALLOC_GROW(src_commits, nr_src_commits + 1, alloc_src_commits); | |
1513 | src_commits[nr_src_commits++] = commit; | |
1514 | } | |
1515 | ||
1516 | found_commits = get_reachable_subset(sent_tips.tip, sent_tips.nr, | |
1517 | src_commits, nr_src_commits, | |
1518 | reachable_flag); | |
1519 | ||
1520 | for_each_string_list_item(item, &src_tag) { | |
c2aba155 | 1521 | struct ref *dst_ref; |
85daa01f | 1522 | struct ref *ref = item->util; |
c2aba155 JH |
1523 | struct commit *commit; |
1524 | ||
f4e54d02 | 1525 | if (is_null_oid(&ref->new_oid)) |
c2aba155 | 1526 | continue; |
21e1ee8f SB |
1527 | commit = lookup_commit_reference_gently(the_repository, |
1528 | &ref->new_oid, | |
bc83266a | 1529 | 1); |
c2aba155 JH |
1530 | if (!commit) |
1531 | /* not pushing a commit, which is not an error */ | |
1532 | continue; | |
1533 | ||
1534 | /* | |
1535 | * Is this tag, which they do not have, reachable from | |
1536 | * any of the commits we are sending? | |
1537 | */ | |
85daa01f | 1538 | if (!(commit->object.flags & reachable_flag)) |
c2aba155 JH |
1539 | continue; |
1540 | ||
1541 | /* Add it in */ | |
1542 | dst_ref = make_linked_ref(ref->name, dst_tail); | |
f4e54d02 | 1543 | oidcpy(&dst_ref->new_oid, &ref->new_oid); |
c2aba155 JH |
1544 | dst_ref->peer_ref = copy_ref(ref); |
1545 | } | |
85daa01f DS |
1546 | |
1547 | clear_commit_marks_many(nr_src_commits, src_commits, reachable_flag); | |
1548 | free(src_commits); | |
1549 | free_commit_list(found_commits); | |
c2aba155 | 1550 | } |
85daa01f | 1551 | |
c2aba155 JH |
1552 | string_list_clear(&src_tag, 0); |
1553 | free(sent_tips.tip); | |
1554 | } | |
1555 | ||
47a59185 JH |
1556 | struct ref *find_ref_by_name(const struct ref *list, const char *name) |
1557 | { | |
1558 | for ( ; list; list = list->next) | |
1559 | if (!strcmp(list->name, name)) | |
1560 | return (struct ref *)list; | |
1561 | return NULL; | |
1562 | } | |
1563 | ||
f1bd15ab BC |
1564 | static void prepare_ref_index(struct string_list *ref_index, struct ref *ref) |
1565 | { | |
1566 | for ( ; ref; ref = ref->next) | |
1567 | string_list_append_nodup(ref_index, ref->name)->util = ref; | |
1568 | ||
3383e199 | 1569 | string_list_sort(ref_index); |
f1bd15ab BC |
1570 | } |
1571 | ||
ba928c13 JK |
1572 | /* |
1573 | * Given only the set of local refs, sanity-check the set of push | |
1574 | * refspecs. We can't catch all errors that match_push_refs would, | |
1575 | * but we can catch some errors early before even talking to the | |
1576 | * remote side. | |
1577 | */ | |
afb1aed4 | 1578 | int check_push_refs(struct ref *src, struct refspec *rs) |
ba928c13 | 1579 | { |
ba928c13 JK |
1580 | int ret = 0; |
1581 | int i; | |
1582 | ||
afb1aed4 BW |
1583 | for (i = 0; i < rs->nr; i++) { |
1584 | struct refspec_item *item = &rs->items[i]; | |
ba928c13 | 1585 | |
c0192df6 | 1586 | if (item->pattern || item->matching || item->negative) |
ba928c13 JK |
1587 | continue; |
1588 | ||
afb1aed4 | 1589 | ret |= match_explicit_lhs(src, item, NULL, NULL); |
ba928c13 JK |
1590 | } |
1591 | ||
ba928c13 JK |
1592 | return ret; |
1593 | } | |
1594 | ||
54a8ad92 | 1595 | /* |
29753cdd JH |
1596 | * Given the set of refs the local repository has, the set of refs the |
1597 | * remote repository has, and the refspec used for push, determine | |
1598 | * what remote refs we will update and with what value by setting | |
1599 | * peer_ref (which object is being pushed) and force (if the push is | |
1600 | * forced) in elements of "dst". The function may add new elements to | |
1601 | * dst (e.g. pushing to a new branch, done in match_explicit_refs). | |
54a8ad92 | 1602 | */ |
29753cdd | 1603 | int match_push_refs(struct ref *src, struct ref **dst, |
5c7ec846 | 1604 | struct refspec *rs, int flags) |
6b62816c | 1605 | { |
28b9d6e5 AW |
1606 | int send_all = flags & MATCH_REFS_ALL; |
1607 | int send_mirror = flags & MATCH_REFS_MIRROR; | |
6ddba5e2 | 1608 | int send_prune = flags & MATCH_REFS_PRUNE; |
5f48cb95 | 1609 | int errs; |
b1d8b1f3 | 1610 | struct ref *ref, **dst_tail = tail_ref(dst); |
f1bd15ab | 1611 | struct string_list dst_ref_index = STRING_LIST_INIT_NODUP; |
6b62816c | 1612 | |
5c7ec846 BW |
1613 | /* If no refspec is provided, use the default ":" */ |
1614 | if (!rs->nr) | |
1615 | refspec_append(rs, ":"); | |
1616 | ||
1617 | errs = match_explicit_refs(src, *dst, &dst_tail, rs); | |
6b62816c DB |
1618 | |
1619 | /* pick the remainder */ | |
b1d8b1f3 | 1620 | for (ref = src; ref; ref = ref->next) { |
f1bd15ab | 1621 | struct string_list_item *dst_item; |
6b62816c | 1622 | struct ref *dst_peer; |
0ad4a5ff | 1623 | const struct refspec_item *pat = NULL; |
6e66bf3c | 1624 | char *dst_name; |
db70a04c | 1625 | |
5c7ec846 | 1626 | dst_name = get_ref_match(rs, ref, send_mirror, FROM_SRC, &pat); |
db70a04c | 1627 | if (!dst_name) |
a83619d6 PB |
1628 | continue; |
1629 | ||
f1bd15ab BC |
1630 | if (!dst_ref_index.nr) |
1631 | prepare_ref_index(&dst_ref_index, *dst); | |
1632 | ||
1633 | dst_item = string_list_lookup(&dst_ref_index, dst_name); | |
1634 | dst_peer = dst_item ? dst_item->util : NULL; | |
a83619d6 PB |
1635 | if (dst_peer) { |
1636 | if (dst_peer->peer_ref) | |
1637 | /* We're already sending something to this ref. */ | |
1638 | goto free_name; | |
a83619d6 PB |
1639 | } else { |
1640 | if (pat->matching && !(send_all || send_mirror)) | |
1641 | /* | |
1642 | * Remote doesn't have it, and we have no | |
1643 | * explicit pattern, and we don't have | |
01689909 | 1644 | * --all or --mirror. |
a83619d6 PB |
1645 | */ |
1646 | goto free_name; | |
28b9d6e5 | 1647 | |
6b62816c | 1648 | /* Create a new one and link it */ |
6d2bf96e | 1649 | dst_peer = make_linked_ref(dst_name, &dst_tail); |
f4e54d02 | 1650 | oidcpy(&dst_peer->new_oid, &ref->new_oid); |
f1bd15ab BC |
1651 | string_list_insert(&dst_ref_index, |
1652 | dst_peer->name)->util = dst_peer; | |
6b62816c | 1653 | } |
b1d8b1f3 | 1654 | dst_peer->peer_ref = copy_ref(ref); |
a83619d6 | 1655 | dst_peer->force = pat->force; |
6e66bf3c AR |
1656 | free_name: |
1657 | free(dst_name); | |
6b62816c | 1658 | } |
c2aba155 | 1659 | |
f1bd15ab BC |
1660 | string_list_clear(&dst_ref_index, 0); |
1661 | ||
c2aba155 JH |
1662 | if (flags & MATCH_REFS_FOLLOW_TAGS) |
1663 | add_missing_tags(src, dst, &dst_tail); | |
1664 | ||
6ddba5e2 | 1665 | if (send_prune) { |
f1bd15ab | 1666 | struct string_list src_ref_index = STRING_LIST_INIT_NODUP; |
6ddba5e2 FC |
1667 | /* check for missing refs on the remote */ |
1668 | for (ref = *dst; ref; ref = ref->next) { | |
1669 | char *src_name; | |
1670 | ||
1671 | if (ref->peer_ref) | |
1672 | /* We're already sending something to this ref. */ | |
1673 | continue; | |
1674 | ||
5c7ec846 | 1675 | src_name = get_ref_match(rs, ref, send_mirror, FROM_DST, NULL); |
6ddba5e2 | 1676 | if (src_name) { |
f1bd15ab BC |
1677 | if (!src_ref_index.nr) |
1678 | prepare_ref_index(&src_ref_index, src); | |
1679 | if (!string_list_has_string(&src_ref_index, | |
1680 | src_name)) | |
6ddba5e2 FC |
1681 | ref->peer_ref = alloc_delete_ref(); |
1682 | free(src_name); | |
1683 | } | |
1684 | } | |
f1bd15ab | 1685 | string_list_clear(&src_ref_index, 0); |
6ddba5e2 | 1686 | } |
8ca69370 | 1687 | |
c0192df6 JK |
1688 | *dst = apply_negative_refspecs(*dst, rs); |
1689 | ||
5f48cb95 JS |
1690 | if (errs) |
1691 | return -1; | |
6b62816c DB |
1692 | return 0; |
1693 | } | |
cf818348 | 1694 | |
20e8b465 | 1695 | void set_ref_status_for_push(struct ref *remote_refs, int send_mirror, |
631b5ef2 | 1696 | int force_update) |
20e8b465 TRC |
1697 | { |
1698 | struct ref *ref; | |
1699 | ||
1700 | for (ref = remote_refs; ref; ref = ref->next) { | |
8c5f6f71 | 1701 | int force_ref_update = ref->force || force_update; |
631b5ef2 | 1702 | int reject_reason = 0; |
8c5f6f71 | 1703 | |
20e8b465 | 1704 | if (ref->peer_ref) |
f4e54d02 | 1705 | oidcpy(&ref->new_oid, &ref->peer_ref->new_oid); |
20e8b465 TRC |
1706 | else if (!send_mirror) |
1707 | continue; | |
1708 | ||
f4e54d02 | 1709 | ref->deletion = is_null_oid(&ref->new_oid); |
20e8b465 | 1710 | if (!ref->deletion && |
4a7e27e9 | 1711 | oideq(&ref->old_oid, &ref->new_oid)) { |
20e8b465 TRC |
1712 | ref->status = REF_STATUS_UPTODATE; |
1713 | continue; | |
1714 | } | |
1715 | ||
a272b289 | 1716 | /* |
b2e93f88 AW |
1717 | * If the remote ref has moved and is now different |
1718 | * from what we expect, reject any push. | |
631b5ef2 JH |
1719 | * |
1720 | * It also is an error if the user told us to check | |
1721 | * with the remote-tracking branch to find the value | |
1722 | * to expect, but we did not have such a tracking | |
1723 | * branch. | |
99a1f9ae SK |
1724 | * |
1725 | * If the tip of the remote-tracking ref is unreachable | |
1726 | * from any reflog entry of its local ref indicating a | |
1727 | * possible update since checkout; reject the push. | |
631b5ef2 JH |
1728 | */ |
1729 | if (ref->expect_old_sha1) { | |
9001dc2a | 1730 | if (!oideq(&ref->old_oid, &ref->old_oid_expect)) |
631b5ef2 | 1731 | reject_reason = REF_STATUS_REJECT_STALE; |
99a1f9ae SK |
1732 | else if (ref->check_reachable && ref->unreachable) |
1733 | reject_reason = | |
1734 | REF_STATUS_REJECT_REMOTE_UPDATED; | |
b2e93f88 | 1735 | else |
99a1f9ae SK |
1736 | /* |
1737 | * If the ref isn't stale, and is reachable | |
abcb66c6 | 1738 | * from one of the reflog entries of |
99a1f9ae SK |
1739 | * the local branch, force the update. |
1740 | */ | |
b2e93f88 | 1741 | force_ref_update = 1; |
631b5ef2 JH |
1742 | } |
1743 | ||
1744 | /* | |
b2e93f88 AW |
1745 | * If the update isn't already rejected then check |
1746 | * the usual "must fast-forward" rules. | |
631b5ef2 | 1747 | * |
256b9d70 JH |
1748 | * Decide whether an individual refspec A:B can be |
1749 | * pushed. The push will succeed if any of the | |
1750 | * following are true: | |
20e8b465 | 1751 | * |
a272b289 | 1752 | * (1) the remote reference B does not exist |
20e8b465 | 1753 | * |
a272b289 CR |
1754 | * (2) the remote reference B is being removed (i.e., |
1755 | * pushing :B where no source is specified) | |
20e8b465 | 1756 | * |
256b9d70 JH |
1757 | * (3) the destination is not under refs/tags/, and |
1758 | * if the old and new value is a commit, the new | |
1759 | * is a descendant of the old. | |
20e8b465 | 1760 | * |
a272b289 CR |
1761 | * (4) it is forced using the +A:B notation, or by |
1762 | * passing the --force argument | |
20e8b465 TRC |
1763 | */ |
1764 | ||
b2e93f88 | 1765 | if (!reject_reason && !ref->deletion && !is_null_oid(&ref->old_oid)) { |
59556548 | 1766 | if (starts_with(ref->name, "refs/tags/")) |
631b5ef2 | 1767 | reject_reason = REF_STATUS_REJECT_ALREADY_EXISTS; |
bc726bd0 | 1768 | else if (!repo_has_object_file(the_repository, &ref->old_oid)) |
631b5ef2 | 1769 | reject_reason = REF_STATUS_REJECT_FETCH_FIRST; |
21e1ee8f SB |
1770 | else if (!lookup_commit_reference_gently(the_repository, &ref->old_oid, 1) || |
1771 | !lookup_commit_reference_gently(the_repository, &ref->new_oid, 1)) | |
631b5ef2 | 1772 | reject_reason = REF_STATUS_REJECT_NEEDS_FORCE; |
6f3d57b6 | 1773 | else if (!ref_newer(&ref->new_oid, &ref->old_oid)) |
631b5ef2 | 1774 | reject_reason = REF_STATUS_REJECT_NONFASTFORWARD; |
20e8b465 | 1775 | } |
631b5ef2 JH |
1776 | |
1777 | /* | |
1778 | * "--force" will defeat any rejection implemented | |
1779 | * by the rules above. | |
1780 | */ | |
1781 | if (!force_ref_update) | |
1782 | ref->status = reject_reason; | |
1783 | else if (reject_reason) | |
1784 | ref->forced_update = 1; | |
20e8b465 TRC |
1785 | } |
1786 | } | |
1787 | ||
56eed342 | 1788 | static void set_merge(struct remote_state *remote_state, struct branch *ret) |
05e73682 | 1789 | { |
9e3751d4 | 1790 | struct remote *remote; |
05e73682 | 1791 | char *ref; |
fcd30b13 | 1792 | struct object_id oid; |
05e73682 JH |
1793 | int i; |
1794 | ||
ee2499fe JK |
1795 | if (!ret) |
1796 | return; /* no branch */ | |
1797 | if (ret->merge) | |
1798 | return; /* already run */ | |
1799 | if (!ret->remote_name || !ret->merge_nr) { | |
1800 | /* | |
1801 | * no merge config; let's make sure we don't confuse callers | |
1802 | * with a non-zero merge_nr but a NULL merge | |
1803 | */ | |
1804 | ret->merge_nr = 0; | |
1805 | return; | |
1806 | } | |
1807 | ||
56eed342 | 1808 | remote = remotes_remote_get(remote_state, ret->remote_name); |
9e3751d4 | 1809 | |
ca56dadb | 1810 | CALLOC_ARRAY(ret->merge, ret->merge_nr); |
05e73682 JH |
1811 | for (i = 0; i < ret->merge_nr; i++) { |
1812 | ret->merge[i] = xcalloc(1, sizeof(**ret->merge)); | |
1813 | ret->merge[i]->src = xstrdup(ret->merge_name[i]); | |
9e3751d4 | 1814 | if (!remote_find_tracking(remote, ret->merge[i]) || |
05e73682 JH |
1815 | strcmp(ret->remote_name, ".")) |
1816 | continue; | |
12cb1c10 ÆAB |
1817 | if (repo_dwim_ref(the_repository, ret->merge_name[i], |
1818 | strlen(ret->merge_name[i]), &oid, &ref, | |
1819 | 0) == 1) | |
05e73682 JH |
1820 | ret->merge[i]->dst = ref; |
1821 | else | |
1822 | ret->merge[i]->dst = xstrdup(ret->merge_name[i]); | |
1823 | } | |
1824 | } | |
1825 | ||
cf818348 DB |
1826 | struct branch *branch_get(const char *name) |
1827 | { | |
1828 | struct branch *ret; | |
1829 | ||
085b98f6 | 1830 | read_config(the_repository); |
cf818348 | 1831 | if (!name || !*name || !strcmp(name, "HEAD")) |
fd3cb050 | 1832 | ret = the_repository->remote_state->current_branch; |
cf818348 | 1833 | else |
085b98f6 GC |
1834 | ret = make_branch(the_repository->remote_state, name, |
1835 | strlen(name)); | |
56eed342 | 1836 | set_merge(the_repository->remote_state, ret); |
cf818348 DB |
1837 | return ret; |
1838 | } | |
1839 | ||
1840 | int branch_has_merge_config(struct branch *branch) | |
1841 | { | |
1842 | return branch && !!branch->merge; | |
1843 | } | |
1844 | ||
85682c19 SP |
1845 | int branch_merge_matches(struct branch *branch, |
1846 | int i, | |
1847 | const char *refname) | |
cf818348 | 1848 | { |
85682c19 | 1849 | if (!branch || i < 0 || i >= branch->merge_nr) |
cf818348 | 1850 | return 0; |
54457fe5 | 1851 | return refname_match(branch->merge[i]->src, refname); |
cf818348 | 1852 | } |
d71ab174 | 1853 | |
060e7766 | 1854 | __attribute__((format (printf,2,3))) |
3a429d0a JK |
1855 | static const char *error_buf(struct strbuf *err, const char *fmt, ...) |
1856 | { | |
1857 | if (err) { | |
1858 | va_list ap; | |
1859 | va_start(ap, fmt); | |
1860 | strbuf_vaddf(err, fmt, ap); | |
1861 | va_end(ap); | |
1862 | } | |
1863 | return NULL; | |
1864 | } | |
1865 | ||
1866 | const char *branch_get_upstream(struct branch *branch, struct strbuf *err) | |
1867 | { | |
1868 | if (!branch) | |
1869 | return error_buf(err, _("HEAD does not point to a branch")); | |
1ca41a19 JK |
1870 | |
1871 | if (!branch->merge || !branch->merge[0]) { | |
1872 | /* | |
1873 | * no merge config; is it because the user didn't define any, | |
1874 | * or because it is not a real branch, and get_branch | |
1875 | * auto-vivified it? | |
1876 | */ | |
3a429d0a JK |
1877 | if (!ref_exists(branch->refname)) |
1878 | return error_buf(err, _("no such branch: '%s'"), | |
1879 | branch->name); | |
1ca41a19 JK |
1880 | return error_buf(err, |
1881 | _("no upstream configured for branch '%s'"), | |
1882 | branch->name); | |
1883 | } | |
1884 | ||
1885 | if (!branch->merge[0]->dst) | |
3a429d0a JK |
1886 | return error_buf(err, |
1887 | _("upstream branch '%s' not stored as a remote-tracking branch"), | |
1888 | branch->merge[0]->src); | |
3a429d0a | 1889 | |
a9f9f8cc JK |
1890 | return branch->merge[0]->dst; |
1891 | } | |
1892 | ||
e291c75a JK |
1893 | static const char *tracking_for_push_dest(struct remote *remote, |
1894 | const char *refname, | |
1895 | struct strbuf *err) | |
1896 | { | |
1897 | char *ret; | |
1898 | ||
d000414e | 1899 | ret = apply_refspecs(&remote->fetch, refname); |
e291c75a JK |
1900 | if (!ret) |
1901 | return error_buf(err, | |
1902 | _("push destination '%s' on remote '%s' has no local tracking branch"), | |
1903 | refname, remote->name); | |
1904 | return ret; | |
1905 | } | |
1906 | ||
56eed342 GC |
1907 | static const char *branch_get_push_1(struct remote_state *remote_state, |
1908 | struct branch *branch, struct strbuf *err) | |
e291c75a JK |
1909 | { |
1910 | struct remote *remote; | |
1911 | ||
56eed342 GC |
1912 | remote = remotes_remote_get( |
1913 | remote_state, | |
1914 | remotes_pushremote_for_branch(remote_state, branch, NULL)); | |
e291c75a JK |
1915 | if (!remote) |
1916 | return error_buf(err, | |
1917 | _("branch '%s' has no remote for pushing"), | |
1918 | branch->name); | |
1919 | ||
6bdb304b | 1920 | if (remote->push.nr) { |
e291c75a JK |
1921 | char *dst; |
1922 | const char *ret; | |
1923 | ||
d000414e | 1924 | dst = apply_refspecs(&remote->push, branch->refname); |
e291c75a JK |
1925 | if (!dst) |
1926 | return error_buf(err, | |
1927 | _("push refspecs for '%s' do not include '%s'"), | |
1928 | remote->name, branch->name); | |
1929 | ||
1930 | ret = tracking_for_push_dest(remote, dst, err); | |
1931 | free(dst); | |
1932 | return ret; | |
1933 | } | |
1934 | ||
1935 | if (remote->mirror) | |
1936 | return tracking_for_push_dest(remote, branch->refname, err); | |
1937 | ||
1938 | switch (push_default) { | |
1939 | case PUSH_DEFAULT_NOTHING: | |
1940 | return error_buf(err, _("push has no destination (push.default is 'nothing')")); | |
1941 | ||
1942 | case PUSH_DEFAULT_MATCHING: | |
1943 | case PUSH_DEFAULT_CURRENT: | |
1944 | return tracking_for_push_dest(remote, branch->refname, err); | |
1945 | ||
1946 | case PUSH_DEFAULT_UPSTREAM: | |
1947 | return branch_get_upstream(branch, err); | |
1948 | ||
1949 | case PUSH_DEFAULT_UNSPECIFIED: | |
1950 | case PUSH_DEFAULT_SIMPLE: | |
1951 | { | |
1952 | const char *up, *cur; | |
1953 | ||
1954 | up = branch_get_upstream(branch, err); | |
1955 | if (!up) | |
1956 | return NULL; | |
1957 | cur = tracking_for_push_dest(remote, branch->refname, err); | |
1958 | if (!cur) | |
1959 | return NULL; | |
1960 | if (strcmp(cur, up)) | |
1961 | return error_buf(err, | |
1962 | _("cannot resolve 'simple' push to a single destination")); | |
1963 | return cur; | |
1964 | } | |
1965 | } | |
1966 | ||
033abf97 | 1967 | BUG("unhandled push situation"); |
e291c75a JK |
1968 | } |
1969 | ||
1970 | const char *branch_get_push(struct branch *branch, struct strbuf *err) | |
1971 | { | |
56eed342 | 1972 | read_config(the_repository); |
4a2dcb1a GC |
1973 | die_on_missing_branch(the_repository, branch); |
1974 | ||
b10731f4 KM |
1975 | if (!branch) |
1976 | return error_buf(err, _("HEAD does not point to a branch")); | |
1977 | ||
e291c75a | 1978 | if (!branch->push_tracking_ref) |
56eed342 GC |
1979 | branch->push_tracking_ref = branch_get_push_1( |
1980 | the_repository->remote_state, branch, err); | |
e291c75a JK |
1981 | return branch->push_tracking_ref; |
1982 | } | |
1983 | ||
1553f5e7 | 1984 | static int ignore_symref_update(const char *refname, struct strbuf *scratch) |
f8fb971e | 1985 | { |
1553f5e7 | 1986 | return !refs_read_symbolic_ref(get_main_ref_store(the_repository), refname, scratch); |
f8fb971e JH |
1987 | } |
1988 | ||
f166db26 MH |
1989 | /* |
1990 | * Create and return a list of (struct ref) consisting of copies of | |
1991 | * each remote_ref that matches refspec. refspec must be a pattern. | |
1992 | * Fill in the copies' peer_ref to describe the local tracking refs to | |
1993 | * which they map. Omit any references that would map to an existing | |
1994 | * local symbolic ref. | |
1995 | */ | |
4577370e | 1996 | static struct ref *get_expanded_map(const struct ref *remote_refs, |
0ad4a5ff | 1997 | const struct refspec_item *refspec) |
d71ab174 | 1998 | { |
1553f5e7 | 1999 | struct strbuf scratch = STRBUF_INIT; |
4577370e | 2000 | const struct ref *ref; |
d71ab174 DB |
2001 | struct ref *ret = NULL; |
2002 | struct ref **tail = &ret; | |
2003 | ||
d71ab174 | 2004 | for (ref = remote_refs; ref; ref = ref->next) { |
e31a17f7 MH |
2005 | char *expn_name = NULL; |
2006 | ||
1553f5e7 PS |
2007 | strbuf_reset(&scratch); |
2008 | ||
d71ab174 DB |
2009 | if (strchr(ref->name, '^')) |
2010 | continue; /* a dereference item */ | |
e928213f | 2011 | if (match_name_with_pattern(refspec->src, ref->name, |
f8fb971e | 2012 | refspec->dst, &expn_name) && |
1553f5e7 | 2013 | !ignore_symref_update(expn_name, &scratch)) { |
d71ab174 | 2014 | struct ref *cpy = copy_ref(ref); |
d71ab174 | 2015 | |
e928213f | 2016 | cpy->peer_ref = alloc_ref(expn_name); |
d71ab174 DB |
2017 | if (refspec->force) |
2018 | cpy->peer_ref->force = 1; | |
2019 | *tail = cpy; | |
2020 | tail = &cpy->next; | |
2021 | } | |
e31a17f7 | 2022 | free(expn_name); |
d71ab174 DB |
2023 | } |
2024 | ||
1553f5e7 | 2025 | strbuf_release(&scratch); |
d71ab174 DB |
2026 | return ret; |
2027 | } | |
2028 | ||
4577370e | 2029 | static const struct ref *find_ref_by_name_abbrev(const struct ref *refs, const char *name) |
d71ab174 | 2030 | { |
4577370e | 2031 | const struct ref *ref; |
60650a48 JH |
2032 | const struct ref *best_match = NULL; |
2033 | int best_score = 0; | |
2034 | ||
d71ab174 | 2035 | for (ref = refs; ref; ref = ref->next) { |
60650a48 JH |
2036 | int score = refname_match(name, ref->name); |
2037 | ||
2038 | if (best_score < score) { | |
2039 | best_match = ref; | |
2040 | best_score = score; | |
2041 | } | |
d71ab174 | 2042 | } |
60650a48 | 2043 | return best_match; |
d71ab174 DB |
2044 | } |
2045 | ||
4577370e | 2046 | struct ref *get_remote_ref(const struct ref *remote_refs, const char *name) |
d71ab174 | 2047 | { |
4577370e | 2048 | const struct ref *ref = find_ref_by_name_abbrev(remote_refs, name); |
d71ab174 DB |
2049 | |
2050 | if (!ref) | |
9ad7c5ae | 2051 | return NULL; |
d71ab174 DB |
2052 | |
2053 | return copy_ref(ref); | |
2054 | } | |
2055 | ||
2056 | static struct ref *get_local_ref(const char *name) | |
2057 | { | |
3eb96997 | 2058 | if (!name || name[0] == '\0') |
d71ab174 DB |
2059 | return NULL; |
2060 | ||
59556548 | 2061 | if (starts_with(name, "refs/")) |
59c69c0c | 2062 | return alloc_ref(name); |
d71ab174 | 2063 | |
59556548 CC |
2064 | if (starts_with(name, "heads/") || |
2065 | starts_with(name, "tags/") || | |
2066 | starts_with(name, "remotes/")) | |
8009768e | 2067 | return alloc_ref_with_prefix("refs/", 5, name); |
d71ab174 | 2068 | |
8009768e | 2069 | return alloc_ref_with_prefix("refs/heads/", 11, name); |
d71ab174 DB |
2070 | } |
2071 | ||
4577370e | 2072 | int get_fetch_map(const struct ref *remote_refs, |
0ad4a5ff | 2073 | const struct refspec_item *refspec, |
9ad7c5ae JH |
2074 | struct ref ***tail, |
2075 | int missing_ok) | |
d71ab174 | 2076 | { |
ef00d150 | 2077 | struct ref *ref_map, **rmp; |
d71ab174 | 2078 | |
c0192df6 JK |
2079 | if (refspec->negative) |
2080 | return 0; | |
2081 | ||
d71ab174 DB |
2082 | if (refspec->pattern) { |
2083 | ref_map = get_expanded_map(remote_refs, refspec); | |
2084 | } else { | |
9ad7c5ae JH |
2085 | const char *name = refspec->src[0] ? refspec->src : "HEAD"; |
2086 | ||
6e7b66ee JH |
2087 | if (refspec->exact_sha1) { |
2088 | ref_map = alloc_ref(name); | |
f4e54d02 | 2089 | get_oid_hex(name, &ref_map->old_oid); |
73302051 | 2090 | ref_map->exact_oid = 1; |
6e7b66ee JH |
2091 | } else { |
2092 | ref_map = get_remote_ref(remote_refs, name); | |
2093 | } | |
9ad7c5ae | 2094 | if (!missing_ok && !ref_map) |
0b9c3afd | 2095 | die(_("couldn't find remote ref %s"), name); |
9ad7c5ae JH |
2096 | if (ref_map) { |
2097 | ref_map->peer_ref = get_local_ref(refspec->dst); | |
2098 | if (ref_map->peer_ref && refspec->force) | |
2099 | ref_map->peer_ref->force = 1; | |
2100 | } | |
d71ab174 DB |
2101 | } |
2102 | ||
ef00d150 DB |
2103 | for (rmp = &ref_map; *rmp; ) { |
2104 | if ((*rmp)->peer_ref) { | |
59556548 | 2105 | if (!starts_with((*rmp)->peer_ref->name, "refs/") || |
5c08c1f2 | 2106 | check_refname_format((*rmp)->peer_ref->name, 0)) { |
ef00d150 | 2107 | struct ref *ignore = *rmp; |
0b9c3afd | 2108 | error(_("* Ignoring funny ref '%s' locally"), |
ef00d150 DB |
2109 | (*rmp)->peer_ref->name); |
2110 | *rmp = (*rmp)->next; | |
2111 | free(ignore->peer_ref); | |
2112 | free(ignore); | |
2113 | continue; | |
2114 | } | |
2115 | } | |
2116 | rmp = &((*rmp)->next); | |
d71ab174 DB |
2117 | } |
2118 | ||
8f70a765 AR |
2119 | if (ref_map) |
2120 | tail_link_ref(ref_map, tail); | |
d71ab174 DB |
2121 | |
2122 | return 0; | |
2123 | } | |
be885d96 DB |
2124 | |
2125 | int resolve_remote_symref(struct ref *ref, struct ref *list) | |
2126 | { | |
2127 | if (!ref->symref) | |
2128 | return 0; | |
2129 | for (; list; list = list->next) | |
2130 | if (!strcmp(ref->symref, list->name)) { | |
f4e54d02 | 2131 | oidcpy(&ref->old_oid, &list->old_oid); |
be885d96 DB |
2132 | return 0; |
2133 | } | |
2134 | return 1; | |
2135 | } | |
6d21bf96 JH |
2136 | |
2137 | /* | |
c646d093 | 2138 | * Compute the commit ahead/behind values for the pair branch_name, base. |
d7d1b496 JH |
2139 | * |
2140 | * If abf is AHEAD_BEHIND_FULL, compute the full ahead/behind and return the | |
2141 | * counts in *num_ours and *num_theirs. If abf is AHEAD_BEHIND_QUICK, skip | |
2142 | * the (potentially expensive) a/b computation (*num_ours and *num_theirs are | |
2143 | * set to zero). | |
2144 | * | |
c646d093 DR |
2145 | * Returns -1 if num_ours and num_theirs could not be filled in (e.g., ref |
2146 | * does not exist). Returns 0 if the commits are identical. Returns 1 if | |
2147 | * commits are different. | |
6d21bf96 | 2148 | */ |
c646d093 DR |
2149 | |
2150 | static int stat_branch_pair(const char *branch_name, const char *base, | |
2151 | int *num_ours, int *num_theirs, | |
2152 | enum ahead_behind_flags abf) | |
6d21bf96 | 2153 | { |
fcd30b13 | 2154 | struct object_id oid; |
6d21bf96 | 2155 | struct commit *ours, *theirs; |
6d21bf96 | 2156 | struct rev_info revs; |
f92dbdbc ÆAB |
2157 | struct setup_revision_opt opt = { |
2158 | .free_removed_argv_elements = 1, | |
2159 | }; | |
c972bf4c | 2160 | struct strvec argv = STRVEC_INIT; |
6d21bf96 | 2161 | |
f2e08739 | 2162 | /* Cannot stat if what we used to build on no longer exists */ |
34c290a6 | 2163 | if (read_ref(base, &oid)) |
f2e08739 | 2164 | return -1; |
2122f675 | 2165 | theirs = lookup_commit_reference(the_repository, &oid); |
6d21bf96 | 2166 | if (!theirs) |
f2e08739 | 2167 | return -1; |
6d21bf96 | 2168 | |
c646d093 | 2169 | if (read_ref(branch_name, &oid)) |
f2e08739 | 2170 | return -1; |
2122f675 | 2171 | ours = lookup_commit_reference(the_repository, &oid); |
6d21bf96 | 2172 | if (!ours) |
f2e08739 | 2173 | return -1; |
6d21bf96 | 2174 | |
d7d1b496 JH |
2175 | *num_theirs = *num_ours = 0; |
2176 | ||
6d21bf96 | 2177 | /* are we the same? */ |
d7d1b496 | 2178 | if (theirs == ours) |
979cb245 | 2179 | return 0; |
d7d1b496 JH |
2180 | if (abf == AHEAD_BEHIND_QUICK) |
2181 | return 1; | |
fd9b544a | 2182 | if (abf != AHEAD_BEHIND_FULL) |
c646d093 | 2183 | BUG("stat_branch_pair: invalid abf '%d'", abf); |
6d21bf96 | 2184 | |
8fbf879e | 2185 | /* Run "rev-list --left-right ours...theirs" internally... */ |
c972bf4c JK |
2186 | strvec_push(&argv, ""); /* ignored */ |
2187 | strvec_push(&argv, "--left-right"); | |
2188 | strvec_pushf(&argv, "%s...%s", | |
f6d8942b JK |
2189 | oid_to_hex(&ours->object.oid), |
2190 | oid_to_hex(&theirs->object.oid)); | |
c972bf4c | 2191 | strvec_push(&argv, "--"); |
6d21bf96 | 2192 | |
2abf3503 | 2193 | repo_init_revisions(the_repository, &revs, NULL); |
f92dbdbc | 2194 | setup_revisions(argv.nr, argv.v, &revs, &opt); |
81c3ce3c | 2195 | if (prepare_revision_walk(&revs)) |
0b9c3afd | 2196 | die(_("revision walk setup failed")); |
6d21bf96 JH |
2197 | |
2198 | /* ... and count the commits on each side. */ | |
6d21bf96 JH |
2199 | while (1) { |
2200 | struct commit *c = get_revision(&revs); | |
2201 | if (!c) | |
2202 | break; | |
2203 | if (c->object.flags & SYMMETRIC_LEFT) | |
2204 | (*num_ours)++; | |
2205 | else | |
2206 | (*num_theirs)++; | |
2207 | } | |
c0234b2e JH |
2208 | |
2209 | /* clear object flags smudged by the above traversal */ | |
2210 | clear_commit_marks(ours, ALL_REV_FLAGS); | |
2211 | clear_commit_marks(theirs, ALL_REV_FLAGS); | |
0b282cc4 | 2212 | |
c972bf4c | 2213 | strvec_clear(&argv); |
2108fe4a | 2214 | release_revisions(&revs); |
d7d1b496 | 2215 | return 1; |
6d21bf96 JH |
2216 | } |
2217 | ||
c646d093 DR |
2218 | /* |
2219 | * Lookup the tracking branch for the given branch and if present, optionally | |
2220 | * compute the commit ahead/behind values for the pair. | |
2221 | * | |
2222 | * If for_push is true, the tracking branch refers to the push branch, | |
2223 | * otherwise it refers to the upstream branch. | |
2224 | * | |
2225 | * The name of the tracking branch (or NULL if it is not defined) is | |
2226 | * returned via *tracking_name, if it is not itself NULL. | |
2227 | * | |
2228 | * If abf is AHEAD_BEHIND_FULL, compute the full ahead/behind and return the | |
2229 | * counts in *num_ours and *num_theirs. If abf is AHEAD_BEHIND_QUICK, skip | |
2230 | * the (potentially expensive) a/b computation (*num_ours and *num_theirs are | |
2231 | * set to zero). | |
2232 | * | |
2233 | * Returns -1 if num_ours and num_theirs could not be filled in (e.g., no | |
2234 | * upstream defined, or ref does not exist). Returns 0 if the commits are | |
2235 | * identical. Returns 1 if commits are different. | |
2236 | */ | |
2237 | int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs, | |
2238 | const char **tracking_name, int for_push, | |
2239 | enum ahead_behind_flags abf) | |
2240 | { | |
2241 | const char *base; | |
2242 | ||
2243 | /* Cannot stat unless we are marked to build on top of somebody else. */ | |
2244 | base = for_push ? branch_get_push(branch, NULL) : | |
2245 | branch_get_upstream(branch, NULL); | |
2246 | if (tracking_name) | |
2247 | *tracking_name = base; | |
2248 | if (!base) | |
2249 | return -1; | |
2250 | ||
2251 | return stat_branch_pair(branch->refname, base, num_ours, num_theirs, abf); | |
2252 | } | |
2253 | ||
6d21bf96 JH |
2254 | /* |
2255 | * Return true when there is anything to report, otherwise false. | |
2256 | */ | |
f39a757d JH |
2257 | int format_tracking_info(struct branch *branch, struct strbuf *sb, |
2258 | enum ahead_behind_flags abf) | |
6d21bf96 | 2259 | { |
f39a757d | 2260 | int ours, theirs, sti; |
979cb245 | 2261 | const char *full_base; |
2f50babe | 2262 | char *base; |
f2e08739 | 2263 | int upstream_is_gone = 0; |
6d21bf96 | 2264 | |
c646d093 | 2265 | sti = stat_tracking_info(branch, &ours, &theirs, &full_base, 0, abf); |
f39a757d | 2266 | if (sti < 0) { |
979cb245 JK |
2267 | if (!full_base) |
2268 | return 0; | |
f2e08739 | 2269 | upstream_is_gone = 1; |
f2e08739 | 2270 | } |
6d21bf96 | 2271 | |
979cb245 | 2272 | base = shorten_unambiguous_ref(full_base, 0); |
f2e08739 JX |
2273 | if (upstream_is_gone) { |
2274 | strbuf_addf(sb, | |
2275 | _("Your branch is based on '%s', but the upstream is gone.\n"), | |
2276 | base); | |
ed9bff08 | 2277 | if (advice_enabled(ADVICE_STATUS_HINTS)) |
a22ae753 | 2278 | strbuf_addstr(sb, |
f2e08739 | 2279 | _(" (use \"git branch --unset-upstream\" to fixup)\n")); |
f39a757d | 2280 | } else if (!sti) { |
f223459b | 2281 | strbuf_addf(sb, |
7560f547 | 2282 | _("Your branch is up to date with '%s'.\n"), |
f223459b | 2283 | base); |
f39a757d JH |
2284 | } else if (abf == AHEAD_BEHIND_QUICK) { |
2285 | strbuf_addf(sb, | |
2286 | _("Your branch and '%s' refer to different commits.\n"), | |
2287 | base); | |
ed9bff08 | 2288 | if (advice_enabled(ADVICE_STATUS_HINTS)) |
f39a757d JH |
2289 | strbuf_addf(sb, _(" (use \"%s\" for details)\n"), |
2290 | "git status --ahead-behind"); | |
f2e08739 | 2291 | } else if (!theirs) { |
8a5b7494 JX |
2292 | strbuf_addf(sb, |
2293 | Q_("Your branch is ahead of '%s' by %d commit.\n", | |
2294 | "Your branch is ahead of '%s' by %d commits.\n", | |
f2e08739 JX |
2295 | ours), |
2296 | base, ours); | |
ed9bff08 | 2297 | if (advice_enabled(ADVICE_STATUS_HINTS)) |
a22ae753 | 2298 | strbuf_addstr(sb, |
491e3075 | 2299 | _(" (use \"git push\" to publish your local commits)\n")); |
f2e08739 | 2300 | } else if (!ours) { |
8a5b7494 JX |
2301 | strbuf_addf(sb, |
2302 | Q_("Your branch is behind '%s' by %d commit, " | |
2303 | "and can be fast-forwarded.\n", | |
2304 | "Your branch is behind '%s' by %d commits, " | |
2305 | "and can be fast-forwarded.\n", | |
f2e08739 JX |
2306 | theirs), |
2307 | base, theirs); | |
ed9bff08 | 2308 | if (advice_enabled(ADVICE_STATUS_HINTS)) |
a22ae753 | 2309 | strbuf_addstr(sb, |
491e3075 | 2310 | _(" (use \"git pull\" to update your local branch)\n")); |
c190ced6 | 2311 | } else { |
8a5b7494 JX |
2312 | strbuf_addf(sb, |
2313 | Q_("Your branch and '%s' have diverged,\n" | |
2314 | "and have %d and %d different commit each, " | |
2315 | "respectively.\n", | |
2316 | "Your branch and '%s' have diverged,\n" | |
2317 | "and have %d and %d different commits each, " | |
2318 | "respectively.\n", | |
f54bea44 | 2319 | ours + theirs), |
f2e08739 | 2320 | base, ours, theirs); |
ed9bff08 | 2321 | if (advice_enabled(ADVICE_STATUS_HINTS)) |
a22ae753 | 2322 | strbuf_addstr(sb, |
491e3075 | 2323 | _(" (use \"git pull\" to merge the remote branch into yours)\n")); |
c190ced6 | 2324 | } |
2f50babe | 2325 | free(base); |
6d21bf96 JH |
2326 | return 1; |
2327 | } | |
454e2025 | 2328 | |
455ade65 | 2329 | static int one_local_ref(const char *refname, const struct object_id *oid, |
5cf88fd8 | 2330 | int flag UNUSED, |
63e14ee2 | 2331 | void *cb_data) |
454e2025 JS |
2332 | { |
2333 | struct ref ***local_tail = cb_data; | |
2334 | struct ref *ref; | |
454e2025 JS |
2335 | |
2336 | /* we already know it starts with refs/ to get here */ | |
8d9c5010 | 2337 | if (check_refname_format(refname + 5, 0)) |
454e2025 JS |
2338 | return 0; |
2339 | ||
96ffc06f | 2340 | ref = alloc_ref(refname); |
f4e54d02 | 2341 | oidcpy(&ref->new_oid, oid); |
454e2025 JS |
2342 | **local_tail = ref; |
2343 | *local_tail = &ref->next; | |
2344 | return 0; | |
2345 | } | |
2346 | ||
2347 | struct ref *get_local_heads(void) | |
2348 | { | |
55f0566f | 2349 | struct ref *local_refs = NULL, **local_tail = &local_refs; |
2b2a5be3 | 2350 | |
454e2025 JS |
2351 | for_each_ref(one_local_ref, &local_tail); |
2352 | return local_refs; | |
2353 | } | |
8ef51733 | 2354 | |
4229f1fa JS |
2355 | struct ref *guess_remote_head(const struct ref *head, |
2356 | const struct ref *refs, | |
2357 | int all) | |
8ef51733 | 2358 | { |
8ef51733 | 2359 | const struct ref *r; |
4229f1fa JS |
2360 | struct ref *list = NULL; |
2361 | struct ref **tail = &list; | |
8ef51733 | 2362 | |
6cb4e6cc | 2363 | if (!head) |
8ef51733 JS |
2364 | return NULL; |
2365 | ||
fbb074c2 JK |
2366 | /* |
2367 | * Some transports support directly peeking at | |
2368 | * where HEAD points; if that is the case, then | |
2369 | * we don't have to guess. | |
2370 | */ | |
2371 | if (head->symref) | |
2372 | return copy_ref(find_ref_by_name(refs, head->symref)); | |
2373 | ||
a471214b | 2374 | /* If a remote branch exists with the default branch name, let's use it. */ |
4229f1fa | 2375 | if (!all) { |
cc0f13c5 JS |
2376 | char *ref = xstrfmt("refs/heads/%s", |
2377 | git_default_branch_name(0)); | |
a471214b JS |
2378 | |
2379 | r = find_ref_by_name(refs, ref); | |
2380 | free(ref); | |
2381 | if (r && oideq(&r->old_oid, &head->old_oid)) | |
2382 | return copy_ref(r); | |
2383 | ||
2384 | /* Fall back to the hard-coded historical default */ | |
4229f1fa | 2385 | r = find_ref_by_name(refs, "refs/heads/master"); |
4a7e27e9 | 2386 | if (r && oideq(&r->old_oid, &head->old_oid)) |
4229f1fa JS |
2387 | return copy_ref(r); |
2388 | } | |
8ef51733 JS |
2389 | |
2390 | /* Look for another ref that points there */ | |
4229f1fa | 2391 | for (r = refs; r; r = r->next) { |
61adfd30 | 2392 | if (r != head && |
59556548 | 2393 | starts_with(r->name, "refs/heads/") && |
4a7e27e9 | 2394 | oideq(&r->old_oid, &head->old_oid)) { |
4229f1fa JS |
2395 | *tail = copy_ref(r); |
2396 | tail = &((*tail)->next); | |
2397 | if (!all) | |
2398 | break; | |
2399 | } | |
2400 | } | |
8ef51733 | 2401 | |
4229f1fa | 2402 | return list; |
8ef51733 | 2403 | } |
f2ef6075 JS |
2404 | |
2405 | struct stale_heads_info { | |
f2ef6075 JS |
2406 | struct string_list *ref_names; |
2407 | struct ref **stale_refs_tail; | |
a2ac50cb | 2408 | struct refspec *rs; |
f2ef6075 JS |
2409 | }; |
2410 | ||
455ade65 MH |
2411 | static int get_stale_heads_cb(const char *refname, const struct object_id *oid, |
2412 | int flags, void *cb_data) | |
f2ef6075 JS |
2413 | { |
2414 | struct stale_heads_info *info = cb_data; | |
e6f63712 | 2415 | struct string_list matches = STRING_LIST_INIT_DUP; |
0ad4a5ff | 2416 | struct refspec_item query; |
e6f63712 | 2417 | int i, stale = 1; |
0ad4a5ff | 2418 | memset(&query, 0, sizeof(struct refspec_item)); |
ed43de6e CMN |
2419 | query.dst = (char *)refname; |
2420 | ||
a2ac50cb | 2421 | query_refspecs_multiple(info->rs, &query, &matches); |
e6f63712 CMN |
2422 | if (matches.nr == 0) |
2423 | goto clean_exit; /* No matches */ | |
ed43de6e CMN |
2424 | |
2425 | /* | |
2426 | * If we did find a suitable refspec and it's not a symref and | |
2427 | * it's not in the list of refs that currently exist in that | |
e6f63712 CMN |
2428 | * remote, we consider it to be stale. In order to deal with |
2429 | * overlapping refspecs, we need to go over all of the | |
2430 | * matching refs. | |
ed43de6e | 2431 | */ |
e6f63712 CMN |
2432 | if (flags & REF_ISSYMREF) |
2433 | goto clean_exit; | |
2434 | ||
2435 | for (i = 0; stale && i < matches.nr; i++) | |
2436 | if (string_list_has_string(info->ref_names, matches.items[i].string)) | |
2437 | stale = 0; | |
2438 | ||
2439 | if (stale) { | |
ed43de6e | 2440 | struct ref *ref = make_linked_ref(refname, &info->stale_refs_tail); |
f4e54d02 | 2441 | oidcpy(&ref->new_oid, oid); |
f2ef6075 | 2442 | } |
ed43de6e | 2443 | |
e6f63712 CMN |
2444 | clean_exit: |
2445 | string_list_clear(&matches, 0); | |
f2ef6075 JS |
2446 | return 0; |
2447 | } | |
2448 | ||
a2ac50cb | 2449 | struct ref *get_stale_heads(struct refspec *rs, struct ref *fetch_map) |
f2ef6075 JS |
2450 | { |
2451 | struct ref *ref, *stale_refs = NULL; | |
183113a5 | 2452 | struct string_list ref_names = STRING_LIST_INIT_NODUP; |
f2ef6075 | 2453 | struct stale_heads_info info; |
2b2a5be3 | 2454 | |
f2ef6075 JS |
2455 | info.ref_names = &ref_names; |
2456 | info.stale_refs_tail = &stale_refs; | |
a2ac50cb | 2457 | info.rs = rs; |
f2ef6075 | 2458 | for (ref = fetch_map; ref; ref = ref->next) |
1d2f80fa | 2459 | string_list_append(&ref_names, ref->name); |
3383e199 | 2460 | string_list_sort(&ref_names); |
f2ef6075 JS |
2461 | for_each_ref(get_stale_heads_cb, &info); |
2462 | string_list_clear(&ref_names, 0); | |
2463 | return stale_refs; | |
2464 | } | |
28f5d176 JH |
2465 | |
2466 | /* | |
2467 | * Compare-and-swap | |
2468 | */ | |
a355b11d | 2469 | static void clear_cas_option(struct push_cas_option *cas) |
28f5d176 JH |
2470 | { |
2471 | int i; | |
2472 | ||
2473 | for (i = 0; i < cas->nr; i++) | |
2474 | free(cas->entry[i].refname); | |
2475 | free(cas->entry); | |
2476 | memset(cas, 0, sizeof(*cas)); | |
2477 | } | |
2478 | ||
2479 | static struct push_cas *add_cas_entry(struct push_cas_option *cas, | |
2480 | const char *refname, | |
2481 | size_t refnamelen) | |
2482 | { | |
2483 | struct push_cas *entry; | |
2484 | ALLOC_GROW(cas->entry, cas->nr + 1, cas->alloc); | |
2485 | entry = &cas->entry[cas->nr++]; | |
2486 | memset(entry, 0, sizeof(*entry)); | |
2487 | entry->refname = xmemdupz(refname, refnamelen); | |
2488 | return entry; | |
2489 | } | |
2490 | ||
8668976b | 2491 | static int parse_push_cas_option(struct push_cas_option *cas, const char *arg, int unset) |
28f5d176 JH |
2492 | { |
2493 | const char *colon; | |
2494 | struct push_cas *entry; | |
2495 | ||
2496 | if (unset) { | |
2497 | /* "--no-<option>" */ | |
2498 | clear_cas_option(cas); | |
2499 | return 0; | |
2500 | } | |
2501 | ||
2502 | if (!arg) { | |
2503 | /* just "--<option>" */ | |
2504 | cas->use_tracking_for_rest = 1; | |
2505 | return 0; | |
2506 | } | |
2507 | ||
2508 | /* "--<option>=refname" or "--<option>=refname:value" */ | |
2509 | colon = strchrnul(arg, ':'); | |
2510 | entry = add_cas_entry(cas, arg, colon - arg); | |
2511 | if (!*colon) | |
2512 | entry->use_tracking = 1; | |
eee98e74 | 2513 | else if (!colon[1]) |
b8566f8f | 2514 | oidclr(&entry->expect); |
d850b7a5 | 2515 | else if (repo_get_oid(the_repository, colon + 1, &entry->expect)) |
0b9c3afd NTND |
2516 | return error(_("cannot parse expected object name '%s'"), |
2517 | colon + 1); | |
28f5d176 JH |
2518 | return 0; |
2519 | } | |
2520 | ||
2521 | int parseopt_push_cas_option(const struct option *opt, const char *arg, int unset) | |
2522 | { | |
2523 | return parse_push_cas_option(opt->value, arg, unset); | |
2524 | } | |
91048a95 JH |
2525 | |
2526 | int is_empty_cas(const struct push_cas_option *cas) | |
2527 | { | |
2528 | return !cas->use_tracking_for_rest && !cas->nr; | |
2529 | } | |
2530 | ||
2531 | /* | |
2532 | * Look at remote.fetch refspec and see if we have a remote | |
99a1f9ae SK |
2533 | * tracking branch for the refname there. Fill the name of |
2534 | * the remote-tracking branch in *dst_refname, and the name | |
2535 | * of the commit object at its tip in oid[]. | |
91048a95 JH |
2536 | * If we cannot do so, return negative to signal an error. |
2537 | */ | |
2538 | static int remote_tracking(struct remote *remote, const char *refname, | |
99a1f9ae | 2539 | struct object_id *oid, char **dst_refname) |
91048a95 JH |
2540 | { |
2541 | char *dst; | |
2542 | ||
d000414e | 2543 | dst = apply_refspecs(&remote->fetch, refname); |
91048a95 JH |
2544 | if (!dst) |
2545 | return -1; /* no tracking ref for refname at remote */ | |
34c290a6 | 2546 | if (read_ref(dst, oid)) |
91048a95 | 2547 | return -1; /* we know what the tracking ref is but we cannot read it */ |
99a1f9ae SK |
2548 | |
2549 | *dst_refname = dst; | |
91048a95 JH |
2550 | return 0; |
2551 | } | |
2552 | ||
99a1f9ae SK |
2553 | /* |
2554 | * The struct "reflog_commit_array" and related helper functions | |
2555 | * are used for collecting commits into an array during reflog | |
2556 | * traversals in "check_and_collect_until()". | |
2557 | */ | |
2558 | struct reflog_commit_array { | |
2559 | struct commit **item; | |
2560 | size_t nr, alloc; | |
2561 | }; | |
2562 | ||
9865b6e6 | 2563 | #define REFLOG_COMMIT_ARRAY_INIT { 0 } |
99a1f9ae SK |
2564 | |
2565 | /* Append a commit to the array. */ | |
2566 | static void append_commit(struct reflog_commit_array *arr, | |
2567 | struct commit *commit) | |
2568 | { | |
2569 | ALLOC_GROW(arr->item, arr->nr + 1, arr->alloc); | |
2570 | arr->item[arr->nr++] = commit; | |
2571 | } | |
2572 | ||
2573 | /* Free and reset the array. */ | |
2574 | static void free_commit_array(struct reflog_commit_array *arr) | |
2575 | { | |
2576 | FREE_AND_NULL(arr->item); | |
2577 | arr->nr = arr->alloc = 0; | |
2578 | } | |
2579 | ||
2580 | struct check_and_collect_until_cb_data { | |
2581 | struct commit *remote_commit; | |
2582 | struct reflog_commit_array *local_commits; | |
2583 | timestamp_t remote_reflog_timestamp; | |
2584 | }; | |
2585 | ||
2586 | /* Get the timestamp of the latest entry. */ | |
5cf88fd8 ÆAB |
2587 | static int peek_reflog(struct object_id *o_oid UNUSED, |
2588 | struct object_id *n_oid UNUSED, | |
2589 | const char *ident UNUSED, | |
2590 | timestamp_t timestamp, int tz UNUSED, | |
2591 | const char *message UNUSED, void *cb_data) | |
99a1f9ae SK |
2592 | { |
2593 | timestamp_t *ts = cb_data; | |
2594 | *ts = timestamp; | |
2595 | return 1; | |
2596 | } | |
2597 | ||
5cf88fd8 | 2598 | static int check_and_collect_until(struct object_id *o_oid UNUSED, |
99a1f9ae | 2599 | struct object_id *n_oid, |
5cf88fd8 ÆAB |
2600 | const char *ident UNUSED, |
2601 | timestamp_t timestamp, int tz UNUSED, | |
2602 | const char *message UNUSED, void *cb_data) | |
99a1f9ae SK |
2603 | { |
2604 | struct commit *commit; | |
2605 | struct check_and_collect_until_cb_data *cb = cb_data; | |
2606 | ||
2607 | /* An entry was found. */ | |
2608 | if (oideq(n_oid, &cb->remote_commit->object.oid)) | |
2609 | return 1; | |
2610 | ||
2611 | if ((commit = lookup_commit_reference(the_repository, n_oid))) | |
2612 | append_commit(cb->local_commits, commit); | |
2613 | ||
2614 | /* | |
2615 | * If the reflog entry timestamp is older than the remote ref's | |
2616 | * latest reflog entry, there is no need to check or collect | |
2617 | * entries older than this one. | |
2618 | */ | |
2619 | if (timestamp < cb->remote_reflog_timestamp) | |
2620 | return -1; | |
2621 | ||
2622 | return 0; | |
2623 | } | |
2624 | ||
2625 | #define MERGE_BASES_BATCH_SIZE 8 | |
2626 | ||
2627 | /* | |
2628 | * Iterate through the reflog of the local ref to check if there is an entry | |
2629 | * for the given remote-tracking ref; runs until the timestamp of an entry is | |
2630 | * older than latest timestamp of remote-tracking ref's reflog. Any commits | |
2631 | * are that seen along the way are collected into an array to check if the | |
2632 | * remote-tracking ref is reachable from any of them. | |
2633 | */ | |
2634 | static int is_reachable_in_reflog(const char *local, const struct ref *remote) | |
2635 | { | |
2636 | timestamp_t date; | |
2637 | struct commit *commit; | |
2638 | struct commit **chunk; | |
2639 | struct check_and_collect_until_cb_data cb; | |
2640 | struct reflog_commit_array arr = REFLOG_COMMIT_ARRAY_INIT; | |
2641 | size_t size = 0; | |
2642 | int ret = 0; | |
2643 | ||
2644 | commit = lookup_commit_reference(the_repository, &remote->old_oid); | |
2645 | if (!commit) | |
2646 | goto cleanup_return; | |
2647 | ||
2648 | /* | |
2649 | * Get the timestamp from the latest entry | |
2650 | * of the remote-tracking ref's reflog. | |
2651 | */ | |
2652 | for_each_reflog_ent_reverse(remote->tracking_ref, peek_reflog, &date); | |
2653 | ||
2654 | cb.remote_commit = commit; | |
2655 | cb.local_commits = &arr; | |
2656 | cb.remote_reflog_timestamp = date; | |
2657 | ret = for_each_reflog_ent_reverse(local, check_and_collect_until, &cb); | |
2658 | ||
2659 | /* We found an entry in the reflog. */ | |
2660 | if (ret > 0) | |
2661 | goto cleanup_return; | |
2662 | ||
2663 | /* | |
2664 | * Check if the remote commit is reachable from any | |
2665 | * of the commits in the collected array, in batches. | |
2666 | */ | |
2667 | for (chunk = arr.item; chunk < arr.item + arr.nr; chunk += size) { | |
2668 | size = arr.item + arr.nr - chunk; | |
2669 | if (MERGE_BASES_BATCH_SIZE < size) | |
2670 | size = MERGE_BASES_BATCH_SIZE; | |
2671 | ||
cb338c23 | 2672 | if ((ret = repo_in_merge_bases_many(the_repository, commit, size, chunk))) |
99a1f9ae SK |
2673 | break; |
2674 | } | |
2675 | ||
2676 | cleanup_return: | |
2677 | free_commit_array(&arr); | |
2678 | return ret; | |
2679 | } | |
2680 | ||
2681 | /* | |
2682 | * Check for reachability of a remote-tracking | |
2683 | * ref in the reflog entries of its local ref. | |
2684 | */ | |
2685 | static void check_if_includes_upstream(struct ref *remote) | |
2686 | { | |
2687 | struct ref *local = get_local_ref(remote->name); | |
2688 | if (!local) | |
2689 | return; | |
2690 | ||
2691 | if (is_reachable_in_reflog(local->name, remote) <= 0) | |
2692 | remote->unreachable = 1; | |
2693 | } | |
2694 | ||
91048a95 JH |
2695 | static void apply_cas(struct push_cas_option *cas, |
2696 | struct remote *remote, | |
2697 | struct ref *ref) | |
2698 | { | |
2699 | int i; | |
2700 | ||
2701 | /* Find an explicit --<option>=<name>[:<value>] entry */ | |
2702 | for (i = 0; i < cas->nr; i++) { | |
2703 | struct push_cas *entry = &cas->entry[i]; | |
54457fe5 | 2704 | if (!refname_match(entry->refname, ref->name)) |
91048a95 JH |
2705 | continue; |
2706 | ref->expect_old_sha1 = 1; | |
2707 | if (!entry->use_tracking) | |
b8566f8f | 2708 | oidcpy(&ref->old_oid_expect, &entry->expect); |
99a1f9ae SK |
2709 | else if (remote_tracking(remote, ref->name, |
2710 | &ref->old_oid_expect, | |
2711 | &ref->tracking_ref)) | |
64ac39af | 2712 | oidclr(&ref->old_oid_expect); |
99a1f9ae SK |
2713 | else |
2714 | ref->check_reachable = cas->use_force_if_includes; | |
91048a95 JH |
2715 | return; |
2716 | } | |
2717 | ||
2718 | /* Are we using "--<option>" to cover all? */ | |
2719 | if (!cas->use_tracking_for_rest) | |
2720 | return; | |
2721 | ||
2722 | ref->expect_old_sha1 = 1; | |
99a1f9ae SK |
2723 | if (remote_tracking(remote, ref->name, |
2724 | &ref->old_oid_expect, | |
2725 | &ref->tracking_ref)) | |
64ac39af | 2726 | oidclr(&ref->old_oid_expect); |
99a1f9ae SK |
2727 | else |
2728 | ref->check_reachable = cas->use_force_if_includes; | |
91048a95 JH |
2729 | } |
2730 | ||
2731 | void apply_push_cas(struct push_cas_option *cas, | |
2732 | struct remote *remote, | |
2733 | struct ref *remote_refs) | |
2734 | { | |
2735 | struct ref *ref; | |
99a1f9ae | 2736 | for (ref = remote_refs; ref; ref = ref->next) { |
91048a95 | 2737 | apply_cas(cas, remote, ref); |
99a1f9ae SK |
2738 | |
2739 | /* | |
2740 | * If "compare-and-swap" is in "use_tracking[_for_rest]" | |
2741 | * mode, and if "--force-if-includes" was specified, run | |
2742 | * the check. | |
2743 | */ | |
2744 | if (ref->check_reachable) | |
2745 | check_if_includes_upstream(ref); | |
2746 | } | |
91048a95 | 2747 | } |
fd3cb050 GC |
2748 | |
2749 | struct remote_state *remote_state_new(void) | |
2750 | { | |
2751 | struct remote_state *r = xmalloc(sizeof(*r)); | |
2752 | ||
2753 | memset(r, 0, sizeof(*r)); | |
2754 | ||
2755 | hashmap_init(&r->remotes_hash, remotes_hash_cmp, NULL, 0); | |
4a2dcb1a | 2756 | hashmap_init(&r->branches_hash, branches_hash_cmp, NULL, 0); |
fd3cb050 GC |
2757 | return r; |
2758 | } | |
2759 | ||
2760 | void remote_state_clear(struct remote_state *remote_state) | |
2761 | { | |
2762 | int i; | |
2763 | ||
338959da | 2764 | for (i = 0; i < remote_state->remotes_nr; i++) |
fd3cb050 | 2765 | remote_clear(remote_state->remotes[i]); |
fd3cb050 GC |
2766 | FREE_AND_NULL(remote_state->remotes); |
2767 | remote_state->remotes_alloc = 0; | |
2768 | remote_state->remotes_nr = 0; | |
2769 | ||
2770 | hashmap_clear_and_free(&remote_state->remotes_hash, struct remote, ent); | |
4a2dcb1a | 2771 | hashmap_clear_and_free(&remote_state->branches_hash, struct remote, ent); |
fd3cb050 | 2772 | } |
1d04e719 DS |
2773 | |
2774 | /* | |
2775 | * Returns 1 if it was the last chop before ':'. | |
2776 | */ | |
2777 | static int chop_last_dir(char **remoteurl, int is_relative) | |
2778 | { | |
2779 | char *rfind = find_last_dir_sep(*remoteurl); | |
2780 | if (rfind) { | |
2781 | *rfind = '\0'; | |
2782 | return 0; | |
2783 | } | |
2784 | ||
2785 | rfind = strrchr(*remoteurl, ':'); | |
2786 | if (rfind) { | |
2787 | *rfind = '\0'; | |
2788 | return 1; | |
2789 | } | |
2790 | ||
2791 | if (is_relative || !strcmp(".", *remoteurl)) | |
2792 | die(_("cannot strip one component off url '%s'"), | |
2793 | *remoteurl); | |
2794 | ||
2795 | free(*remoteurl); | |
2796 | *remoteurl = xstrdup("."); | |
2797 | return 0; | |
2798 | } | |
2799 | ||
2800 | char *relative_url(const char *remote_url, const char *url, | |
2801 | const char *up_path) | |
2802 | { | |
2803 | int is_relative = 0; | |
2804 | int colonsep = 0; | |
2805 | char *out; | |
834e3520 | 2806 | char *remoteurl; |
1d04e719 | 2807 | struct strbuf sb = STRBUF_INIT; |
834e3520 DS |
2808 | size_t len; |
2809 | ||
2810 | if (!url_is_local_not_ssh(url) || is_absolute_path(url)) | |
2811 | return xstrdup(url); | |
2812 | ||
2813 | len = strlen(remote_url); | |
2814 | if (!len) | |
2815 | BUG("invalid empty remote_url"); | |
1d04e719 | 2816 | |
834e3520 | 2817 | remoteurl = xstrdup(remote_url); |
1d04e719 DS |
2818 | if (is_dir_sep(remoteurl[len-1])) |
2819 | remoteurl[len-1] = '\0'; | |
2820 | ||
2821 | if (!url_is_local_not_ssh(remoteurl) || is_absolute_path(remoteurl)) | |
2822 | is_relative = 0; | |
2823 | else { | |
2824 | is_relative = 1; | |
2825 | /* | |
2826 | * Prepend a './' to ensure all relative | |
2827 | * remoteurls start with './' or '../' | |
2828 | */ | |
2829 | if (!starts_with_dot_slash_native(remoteurl) && | |
2830 | !starts_with_dot_dot_slash_native(remoteurl)) { | |
2831 | strbuf_reset(&sb); | |
2832 | strbuf_addf(&sb, "./%s", remoteurl); | |
2833 | free(remoteurl); | |
2834 | remoteurl = strbuf_detach(&sb, NULL); | |
2835 | } | |
2836 | } | |
2837 | /* | |
2838 | * When the url starts with '../', remove that and the | |
2839 | * last directory in remoteurl. | |
2840 | */ | |
c918f5c1 | 2841 | while (*url) { |
1d04e719 DS |
2842 | if (starts_with_dot_dot_slash_native(url)) { |
2843 | url += 3; | |
2844 | colonsep |= chop_last_dir(&remoteurl, is_relative); | |
2845 | } else if (starts_with_dot_slash_native(url)) | |
2846 | url += 2; | |
2847 | else | |
2848 | break; | |
2849 | } | |
2850 | strbuf_reset(&sb); | |
2851 | strbuf_addf(&sb, "%s%s%s", remoteurl, colonsep ? ":" : "/", url); | |
2852 | if (ends_with(url, "/")) | |
2853 | strbuf_setlen(&sb, sb.len - 1); | |
2854 | free(remoteurl); | |
2855 | ||
2856 | if (starts_with_dot_slash_native(sb.buf)) | |
2857 | out = xstrdup(sb.buf + 2); | |
2858 | else | |
2859 | out = xstrdup(sb.buf); | |
2860 | ||
2861 | if (!up_path || !is_relative) { | |
2862 | strbuf_release(&sb); | |
2863 | return out; | |
2864 | } | |
2865 | ||
2866 | strbuf_reset(&sb); | |
2867 | strbuf_addf(&sb, "%s%s", up_path, out); | |
2868 | free(out); | |
2869 | return strbuf_detach(&sb, NULL); | |
2870 | } |