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Commit | Line | Data |
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5751f490 | 1 | #include "cache.h" |
b2141fc1 | 2 | #include "config.h" |
5751f490 | 3 | #include "remote.h" |
6dcbdc0d | 4 | #include "urlmatch.h" |
5751f490 | 5 | #include "refs.h" |
ec0cb496 | 6 | #include "refspec.h" |
cbd53a21 | 7 | #include "object-store.h" |
6d21bf96 JH |
8 | #include "commit.h" |
9 | #include "diff.h" | |
10 | #include "revision.h" | |
8ca12c0d | 11 | #include "dir.h" |
ec8452d5 | 12 | #include "tag.h" |
73cf0822 | 13 | #include "string-list.h" |
dbbcd44f | 14 | #include "strvec.h" |
64043556 | 15 | #include "commit-reach.h" |
dd8dd300 | 16 | #include "advice.h" |
1d04e719 | 17 | #include "connect.h" |
5751f490 | 18 | |
6ddba5e2 FC |
19 | enum map_direction { FROM_SRC, FROM_DST }; |
20 | ||
844112ca JH |
21 | struct counted_string { |
22 | size_t len; | |
23 | const char *s; | |
24 | }; | |
55029ae4 | 25 | |
0a4da29d DB |
26 | static int valid_remote(const struct remote *remote) |
27 | { | |
c578f51d | 28 | return (!!remote->url) || (!!remote->foreign_vcs); |
0a4da29d DB |
29 | } |
30 | ||
d071d942 | 31 | static const char *alias_url(const char *url, struct rewrites *r) |
55029ae4 DB |
32 | { |
33 | int i, j; | |
844112ca JH |
34 | struct counted_string *longest; |
35 | int longest_i; | |
36 | ||
37 | longest = NULL; | |
38 | longest_i = -1; | |
d071d942 JT |
39 | for (i = 0; i < r->rewrite_nr; i++) { |
40 | if (!r->rewrite[i]) | |
55029ae4 | 41 | continue; |
d071d942 | 42 | for (j = 0; j < r->rewrite[i]->instead_of_nr; j++) { |
59556548 | 43 | if (starts_with(url, r->rewrite[i]->instead_of[j].s) && |
844112ca | 44 | (!longest || |
d071d942 JT |
45 | longest->len < r->rewrite[i]->instead_of[j].len)) { |
46 | longest = &(r->rewrite[i]->instead_of[j]); | |
844112ca | 47 | longest_i = i; |
55029ae4 DB |
48 | } |
49 | } | |
50 | } | |
844112ca JH |
51 | if (!longest) |
52 | return url; | |
53 | ||
75faa45a | 54 | return xstrfmt("%s%s", r->rewrite[longest_i]->base, url + longest->len); |
55029ae4 DB |
55 | } |
56 | ||
28b91f8a | 57 | static void add_url(struct remote *remote, const char *url) |
5751f490 | 58 | { |
2d31347b DB |
59 | ALLOC_GROW(remote->url, remote->url_nr + 1, remote->url_alloc); |
60 | remote->url[remote->url_nr++] = url; | |
5751f490 DB |
61 | } |
62 | ||
20346234 MG |
63 | static void add_pushurl(struct remote *remote, const char *pushurl) |
64 | { | |
65 | ALLOC_GROW(remote->pushurl, remote->pushurl_nr + 1, remote->pushurl_alloc); | |
66 | remote->pushurl[remote->pushurl_nr++] = pushurl; | |
67 | } | |
68 | ||
085b98f6 GC |
69 | static void add_pushurl_alias(struct remote_state *remote_state, |
70 | struct remote *remote, const char *url) | |
1c2eafb8 | 71 | { |
085b98f6 | 72 | const char *pushurl = alias_url(url, &remote_state->rewrites_push); |
1c2eafb8 JT |
73 | if (pushurl != url) |
74 | add_pushurl(remote, pushurl); | |
75 | } | |
76 | ||
085b98f6 GC |
77 | static void add_url_alias(struct remote_state *remote_state, |
78 | struct remote *remote, const char *url) | |
1c2eafb8 | 79 | { |
085b98f6 GC |
80 | add_url(remote, alias_url(url, &remote_state->rewrites)); |
81 | add_pushurl_alias(remote_state, remote, url); | |
1c2eafb8 JT |
82 | } |
83 | ||
d0da003d PR |
84 | struct remotes_hash_key { |
85 | const char *str; | |
86 | int len; | |
87 | }; | |
88 | ||
5cf88fd8 | 89 | static int remotes_hash_cmp(const void *cmp_data UNUSED, |
939af16e EW |
90 | const struct hashmap_entry *eptr, |
91 | const struct hashmap_entry *entry_or_key, | |
45dcb35f | 92 | const void *keydata) |
d0da003d | 93 | { |
939af16e | 94 | const struct remote *a, *b; |
45dcb35f SB |
95 | const struct remotes_hash_key *key = keydata; |
96 | ||
939af16e EW |
97 | a = container_of(eptr, const struct remote, ent); |
98 | b = container_of(entry_or_key, const struct remote, ent); | |
99 | ||
d0da003d PR |
100 | if (key) |
101 | return strncmp(a->name, key->str, key->len) || a->name[key->len]; | |
102 | else | |
103 | return strcmp(a->name, b->name); | |
104 | } | |
105 | ||
085b98f6 GC |
106 | static struct remote *make_remote(struct remote_state *remote_state, |
107 | const char *name, int len) | |
5751f490 | 108 | { |
6540b716 | 109 | struct remote *ret; |
d0da003d | 110 | struct remotes_hash_key lookup; |
f23a4651 | 111 | struct hashmap_entry lookup_entry, *e; |
5751f490 | 112 | |
d0da003d PR |
113 | if (!len) |
114 | len = strlen(name); | |
115 | ||
d0da003d PR |
116 | lookup.str = name; |
117 | lookup.len = len; | |
118 | hashmap_entry_init(&lookup_entry, memhash(name, len)); | |
119 | ||
085b98f6 | 120 | e = hashmap_get(&remote_state->remotes_hash, &lookup_entry, &lookup); |
f23a4651 EW |
121 | if (e) |
122 | return container_of(e, struct remote, ent); | |
5751f490 | 123 | |
ca56dadb | 124 | CALLOC_ARRAY(ret, 1); |
737c5a9c | 125 | ret->prune = -1; /* unspecified */ |
97716d21 | 126 | ret->prune_tags = -1; /* unspecified */ |
6bdb304b BW |
127 | ret->name = xstrndup(name, len); |
128 | refspec_init(&ret->push, REFSPEC_PUSH); | |
e5349abf | 129 | refspec_init(&ret->fetch, REFSPEC_FETCH); |
6bdb304b | 130 | |
085b98f6 GC |
131 | ALLOC_GROW(remote_state->remotes, remote_state->remotes_nr + 1, |
132 | remote_state->remotes_alloc); | |
133 | remote_state->remotes[remote_state->remotes_nr++] = ret; | |
d0da003d | 134 | |
d22245a2 | 135 | hashmap_entry_init(&ret->ent, lookup_entry.hash); |
085b98f6 | 136 | if (hashmap_put_entry(&remote_state->remotes_hash, ret, ent)) |
6540b716 | 137 | BUG("hashmap_put overwrote entry after hashmap_get returned NULL"); |
2d31347b | 138 | return ret; |
5751f490 DB |
139 | } |
140 | ||
fd3cb050 GC |
141 | static void remote_clear(struct remote *remote) |
142 | { | |
143 | int i; | |
144 | ||
145 | free((char *)remote->name); | |
146 | free((char *)remote->foreign_vcs); | |
147 | ||
338959da | 148 | for (i = 0; i < remote->url_nr; i++) |
fd3cb050 | 149 | free((char *)remote->url[i]); |
323822c7 | 150 | FREE_AND_NULL(remote->url); |
fd3cb050 | 151 | |
338959da | 152 | for (i = 0; i < remote->pushurl_nr; i++) |
fd3cb050 | 153 | free((char *)remote->pushurl[i]); |
fd3cb050 GC |
154 | FREE_AND_NULL(remote->pushurl); |
155 | free((char *)remote->receivepack); | |
156 | free((char *)remote->uploadpack); | |
157 | FREE_AND_NULL(remote->http_proxy); | |
158 | FREE_AND_NULL(remote->http_proxy_authmethod); | |
159 | } | |
160 | ||
cf818348 DB |
161 | static void add_merge(struct branch *branch, const char *name) |
162 | { | |
2d31347b DB |
163 | ALLOC_GROW(branch->merge_name, branch->merge_nr + 1, |
164 | branch->merge_alloc); | |
165 | branch->merge_name[branch->merge_nr++] = name; | |
cf818348 DB |
166 | } |
167 | ||
4a2dcb1a GC |
168 | struct branches_hash_key { |
169 | const char *str; | |
170 | int len; | |
171 | }; | |
172 | ||
5cf88fd8 | 173 | static int branches_hash_cmp(const void *cmp_data UNUSED, |
4a2dcb1a GC |
174 | const struct hashmap_entry *eptr, |
175 | const struct hashmap_entry *entry_or_key, | |
176 | const void *keydata) | |
177 | { | |
178 | const struct branch *a, *b; | |
179 | const struct branches_hash_key *key = keydata; | |
180 | ||
181 | a = container_of(eptr, const struct branch, ent); | |
182 | b = container_of(entry_or_key, const struct branch, ent); | |
183 | ||
184 | if (key) | |
185 | return strncmp(a->name, key->str, key->len) || | |
186 | a->name[key->len]; | |
187 | else | |
188 | return strcmp(a->name, b->name); | |
189 | } | |
190 | ||
191 | static struct branch *find_branch(struct remote_state *remote_state, | |
192 | const char *name, size_t len) | |
193 | { | |
194 | struct branches_hash_key lookup; | |
195 | struct hashmap_entry lookup_entry, *e; | |
196 | ||
4a2dcb1a GC |
197 | lookup.str = name; |
198 | lookup.len = len; | |
199 | hashmap_entry_init(&lookup_entry, memhash(name, len)); | |
200 | ||
201 | e = hashmap_get(&remote_state->branches_hash, &lookup_entry, &lookup); | |
202 | if (e) | |
203 | return container_of(e, struct branch, ent); | |
204 | ||
205 | return NULL; | |
206 | } | |
207 | ||
208 | static void die_on_missing_branch(struct repository *repo, | |
209 | struct branch *branch) | |
210 | { | |
211 | /* branch == NULL is always valid because it represents detached HEAD. */ | |
212 | if (branch && | |
91e2e8f6 GC |
213 | branch != find_branch(repo->remote_state, branch->name, |
214 | strlen(branch->name))) | |
4a2dcb1a GC |
215 | die("branch %s was not found in the repository", branch->name); |
216 | } | |
217 | ||
085b98f6 GC |
218 | static struct branch *make_branch(struct remote_state *remote_state, |
219 | const char *name, size_t len) | |
cf818348 | 220 | { |
2d31347b | 221 | struct branch *ret; |
cf818348 | 222 | |
4a2dcb1a GC |
223 | ret = find_branch(remote_state, name, len); |
224 | if (ret) | |
225 | return ret; | |
cf818348 | 226 | |
ca56dadb | 227 | CALLOC_ARRAY(ret, 1); |
021ba32a | 228 | ret->name = xstrndup(name, len); |
fa3f60b7 | 229 | ret->refname = xstrfmt("refs/heads/%s", ret->name); |
cf818348 | 230 | |
4a2dcb1a GC |
231 | hashmap_entry_init(&ret->ent, memhash(name, len)); |
232 | if (hashmap_put_entry(&remote_state->branches_hash, ret, ent)) | |
233 | BUG("hashmap_put overwrote entry after hashmap_get returned NULL"); | |
2d31347b | 234 | return ret; |
cf818348 DB |
235 | } |
236 | ||
021ba32a JK |
237 | static struct rewrite *make_rewrite(struct rewrites *r, |
238 | const char *base, size_t len) | |
55029ae4 DB |
239 | { |
240 | struct rewrite *ret; | |
241 | int i; | |
242 | ||
d071d942 | 243 | for (i = 0; i < r->rewrite_nr; i++) { |
021ba32a JK |
244 | if (len == r->rewrite[i]->baselen && |
245 | !strncmp(base, r->rewrite[i]->base, len)) | |
d071d942 | 246 | return r->rewrite[i]; |
55029ae4 DB |
247 | } |
248 | ||
d071d942 | 249 | ALLOC_GROW(r->rewrite, r->rewrite_nr + 1, r->rewrite_alloc); |
ca56dadb | 250 | CALLOC_ARRAY(ret, 1); |
d071d942 | 251 | r->rewrite[r->rewrite_nr++] = ret; |
021ba32a JK |
252 | ret->base = xstrndup(base, len); |
253 | ret->baselen = len; | |
55029ae4 DB |
254 | return ret; |
255 | } | |
256 | ||
257 | static void add_instead_of(struct rewrite *rewrite, const char *instead_of) | |
258 | { | |
259 | ALLOC_GROW(rewrite->instead_of, rewrite->instead_of_nr + 1, rewrite->instead_of_alloc); | |
844112ca JH |
260 | rewrite->instead_of[rewrite->instead_of_nr].s = instead_of; |
261 | rewrite->instead_of[rewrite->instead_of_nr].len = strlen(instead_of); | |
262 | rewrite->instead_of_nr++; | |
55029ae4 DB |
263 | } |
264 | ||
0e265a92 JK |
265 | static const char *skip_spaces(const char *s) |
266 | { | |
267 | while (isspace(*s)) | |
268 | s++; | |
269 | return s; | |
270 | } | |
271 | ||
085b98f6 GC |
272 | static void read_remotes_file(struct remote_state *remote_state, |
273 | struct remote *remote) | |
5751f490 | 274 | { |
0e265a92 | 275 | struct strbuf buf = STRBUF_INIT; |
e9d983f1 | 276 | FILE *f = fopen_or_warn(git_path("remotes/%s", remote->name), "r"); |
5751f490 DB |
277 | |
278 | if (!f) | |
279 | return; | |
e459b073 | 280 | remote->configured_in_repo = 1; |
89cf4c70 | 281 | remote->origin = REMOTE_REMOTES; |
18814d0e | 282 | while (strbuf_getline(&buf, f) != EOF) { |
0e265a92 | 283 | const char *v; |
5751f490 | 284 | |
0e265a92 | 285 | strbuf_rtrim(&buf); |
5751f490 | 286 | |
0e265a92 | 287 | if (skip_prefix(buf.buf, "URL:", &v)) |
085b98f6 GC |
288 | add_url_alias(remote_state, remote, |
289 | xstrdup(skip_spaces(v))); | |
0e265a92 | 290 | else if (skip_prefix(buf.buf, "Push:", &v)) |
6bdb304b | 291 | refspec_append(&remote->push, skip_spaces(v)); |
0e265a92 | 292 | else if (skip_prefix(buf.buf, "Pull:", &v)) |
e5349abf | 293 | refspec_append(&remote->fetch, skip_spaces(v)); |
5751f490 | 294 | } |
0e265a92 | 295 | strbuf_release(&buf); |
5751f490 DB |
296 | fclose(f); |
297 | } | |
298 | ||
085b98f6 GC |
299 | static void read_branches_file(struct remote_state *remote_state, |
300 | struct remote *remote) | |
5751f490 | 301 | { |
cf818348 | 302 | char *frag; |
f28e3ab2 | 303 | struct strbuf buf = STRBUF_INIT; |
e9d983f1 | 304 | FILE *f = fopen_or_warn(git_path("branches/%s", remote->name), "r"); |
5751f490 DB |
305 | |
306 | if (!f) | |
307 | return; | |
f28e3ab2 | 308 | |
8f309aeb | 309 | strbuf_getline_lf(&buf, f); |
0fb19906 | 310 | fclose(f); |
f28e3ab2 JK |
311 | strbuf_trim(&buf); |
312 | if (!buf.len) { | |
313 | strbuf_release(&buf); | |
5751f490 | 314 | return; |
f28e3ab2 JK |
315 | } |
316 | ||
e459b073 | 317 | remote->configured_in_repo = 1; |
89cf4c70 | 318 | remote->origin = REMOTE_BRANCHES; |
472fa4cd DB |
319 | |
320 | /* | |
55cfde25 | 321 | * The branches file would have URL and optionally |
a471214b | 322 | * #branch specified. The default (or specified) branch is |
f28e3ab2 JK |
323 | * fetched and stored in the local branch matching the |
324 | * remote name. | |
472fa4cd | 325 | */ |
f28e3ab2 JK |
326 | frag = strchr(buf.buf, '#'); |
327 | if (frag) | |
cf818348 | 328 | *(frag++) = '\0'; |
f28e3ab2 | 329 | else |
cc0f13c5 | 330 | frag = (char *)git_default_branch_name(0); |
f28e3ab2 | 331 | |
085b98f6 | 332 | add_url_alias(remote_state, remote, strbuf_detach(&buf, NULL)); |
1af8b8c0 RS |
333 | refspec_appendf(&remote->fetch, "refs/heads/%s:refs/heads/%s", |
334 | frag, remote->name); | |
55cfde25 | 335 | |
18afe101 MK |
336 | /* |
337 | * Cogito compatible push: push current HEAD to remote #branch | |
338 | * (master if missing) | |
339 | */ | |
1af8b8c0 | 340 | refspec_appendf(&remote->push, "HEAD:refs/heads/%s", frag); |
d71ab174 | 341 | remote->fetch_tags = 1; /* always auto-follow */ |
5751f490 DB |
342 | } |
343 | ||
ef90d6d4 | 344 | static int handle_config(const char *key, const char *value, void *cb) |
5751f490 DB |
345 | { |
346 | const char *name; | |
f5914f4b | 347 | size_t namelen; |
5751f490 DB |
348 | const char *subkey; |
349 | struct remote *remote; | |
cf818348 | 350 | struct branch *branch; |
085b98f6 GC |
351 | struct remote_state *remote_state = cb; |
352 | ||
bc60f8a7 | 353 | if (parse_config_key(key, "branch", &name, &namelen, &subkey) >= 0) { |
f1dfbd9e | 354 | /* There is no subsection. */ |
bc60f8a7 | 355 | if (!name) |
cf818348 | 356 | return 0; |
f1dfbd9e GC |
357 | /* There is a subsection, but it is empty. */ |
358 | if (!namelen) | |
359 | return -1; | |
085b98f6 | 360 | branch = make_branch(remote_state, name, namelen); |
bc60f8a7 | 361 | if (!strcmp(subkey, "remote")) { |
e41bf352 | 362 | return git_config_string(&branch->remote_name, key, value); |
bc60f8a7 | 363 | } else if (!strcmp(subkey, "pushremote")) { |
da66b274 | 364 | return git_config_string(&branch->pushremote_name, key, value); |
bc60f8a7 | 365 | } else if (!strcmp(subkey, "merge")) { |
d2370cc2 JH |
366 | if (!value) |
367 | return config_error_nonbool(key); | |
cf818348 | 368 | add_merge(branch, xstrdup(value)); |
d2370cc2 | 369 | } |
cf818348 | 370 | return 0; |
5751f490 | 371 | } |
bc60f8a7 | 372 | if (parse_config_key(key, "url", &name, &namelen, &subkey) >= 0) { |
55029ae4 | 373 | struct rewrite *rewrite; |
bc60f8a7 | 374 | if (!name) |
55029ae4 | 375 | return 0; |
bc60f8a7 | 376 | if (!strcmp(subkey, "insteadof")) { |
1c2eafb8 JT |
377 | if (!value) |
378 | return config_error_nonbool(key); | |
085b98f6 GC |
379 | rewrite = make_rewrite(&remote_state->rewrites, name, |
380 | namelen); | |
1c2eafb8 | 381 | add_instead_of(rewrite, xstrdup(value)); |
bc60f8a7 | 382 | } else if (!strcmp(subkey, "pushinsteadof")) { |
55029ae4 DB |
383 | if (!value) |
384 | return config_error_nonbool(key); | |
085b98f6 GC |
385 | rewrite = make_rewrite(&remote_state->rewrites_push, |
386 | name, namelen); | |
55029ae4 DB |
387 | add_instead_of(rewrite, xstrdup(value)); |
388 | } | |
389 | } | |
224c2171 | 390 | |
bc60f8a7 | 391 | if (parse_config_key(key, "remote", &name, &namelen, &subkey) < 0) |
5751f490 | 392 | return 0; |
224c2171 RR |
393 | |
394 | /* Handle remote.* variables */ | |
bc60f8a7 | 395 | if (!name && !strcmp(subkey, "pushdefault")) |
085b98f6 GC |
396 | return git_config_string(&remote_state->pushremote_name, key, |
397 | value); | |
224c2171 | 398 | |
bc60f8a7 TG |
399 | if (!name) |
400 | return 0; | |
224c2171 | 401 | /* Handle remote.<name>.* variables */ |
c82efafc | 402 | if (*name == '/') { |
0b9c3afd | 403 | warning(_("config remote shorthand cannot begin with '/': %s"), |
c82efafc BC |
404 | name); |
405 | return 0; | |
406 | } | |
085b98f6 | 407 | remote = make_remote(remote_state, name, namelen); |
89cf4c70 | 408 | remote->origin = REMOTE_CONFIG; |
6dc905d9 | 409 | if (current_config_scope() == CONFIG_SCOPE_LOCAL || |
08e9df23 | 410 | current_config_scope() == CONFIG_SCOPE_WORKTREE) |
e459b073 | 411 | remote->configured_in_repo = 1; |
bc60f8a7 | 412 | if (!strcmp(subkey, "mirror")) |
84bb2dfd | 413 | remote->mirror = git_config_bool(key, value); |
bc60f8a7 | 414 | else if (!strcmp(subkey, "skipdefaultupdate")) |
84bb2dfd | 415 | remote->skip_default_update = git_config_bool(key, value); |
bc60f8a7 | 416 | else if (!strcmp(subkey, "skipfetchall")) |
7cc91a2f | 417 | remote->skip_default_update = git_config_bool(key, value); |
bc60f8a7 | 418 | else if (!strcmp(subkey, "prune")) |
737c5a9c | 419 | remote->prune = git_config_bool(key, value); |
97716d21 ÆAB |
420 | else if (!strcmp(subkey, "prunetags")) |
421 | remote->prune_tags = git_config_bool(key, value); | |
bc60f8a7 | 422 | else if (!strcmp(subkey, "url")) { |
84bb2dfd PB |
423 | const char *v; |
424 | if (git_config_string(&v, key, value)) | |
425 | return -1; | |
426 | add_url(remote, v); | |
bc60f8a7 | 427 | } else if (!strcmp(subkey, "pushurl")) { |
20346234 MG |
428 | const char *v; |
429 | if (git_config_string(&v, key, value)) | |
430 | return -1; | |
431 | add_pushurl(remote, v); | |
bc60f8a7 | 432 | } else if (!strcmp(subkey, "push")) { |
84bb2dfd PB |
433 | const char *v; |
434 | if (git_config_string(&v, key, value)) | |
435 | return -1; | |
6bdb304b BW |
436 | refspec_append(&remote->push, v); |
437 | free((char *)v); | |
bc60f8a7 | 438 | } else if (!strcmp(subkey, "fetch")) { |
84bb2dfd PB |
439 | const char *v; |
440 | if (git_config_string(&v, key, value)) | |
441 | return -1; | |
e5349abf BW |
442 | refspec_append(&remote->fetch, v); |
443 | free((char *)v); | |
bc60f8a7 | 444 | } else if (!strcmp(subkey, "receivepack")) { |
84bb2dfd PB |
445 | const char *v; |
446 | if (git_config_string(&v, key, value)) | |
447 | return -1; | |
5751f490 | 448 | if (!remote->receivepack) |
84bb2dfd | 449 | remote->receivepack = v; |
5751f490 | 450 | else |
0b9c3afd | 451 | error(_("more than one receivepack given, using the first")); |
bc60f8a7 | 452 | } else if (!strcmp(subkey, "uploadpack")) { |
84bb2dfd PB |
453 | const char *v; |
454 | if (git_config_string(&v, key, value)) | |
455 | return -1; | |
0012ba21 | 456 | if (!remote->uploadpack) |
84bb2dfd | 457 | remote->uploadpack = v; |
0012ba21 | 458 | else |
0b9c3afd | 459 | error(_("more than one uploadpack given, using the first")); |
bc60f8a7 | 460 | } else if (!strcmp(subkey, "tagopt")) { |
d71ab174 DB |
461 | if (!strcmp(value, "--no-tags")) |
462 | remote->fetch_tags = -1; | |
944163a4 ST |
463 | else if (!strcmp(value, "--tags")) |
464 | remote->fetch_tags = 2; | |
bc60f8a7 | 465 | } else if (!strcmp(subkey, "proxy")) { |
84bb2dfd PB |
466 | return git_config_string((const char **)&remote->http_proxy, |
467 | key, value); | |
bc60f8a7 | 468 | } else if (!strcmp(subkey, "proxyauthmethod")) { |
ef976395 KF |
469 | return git_config_string((const char **)&remote->http_proxy_authmethod, |
470 | key, value); | |
bc60f8a7 | 471 | } else if (!strcmp(subkey, "vcs")) { |
c578f51d | 472 | return git_config_string(&remote->foreign_vcs, key, value); |
84bb2dfd | 473 | } |
5751f490 DB |
474 | return 0; |
475 | } | |
476 | ||
085b98f6 | 477 | static void alias_all_urls(struct remote_state *remote_state) |
55029ae4 DB |
478 | { |
479 | int i, j; | |
085b98f6 | 480 | for (i = 0; i < remote_state->remotes_nr; i++) { |
1c2eafb8 | 481 | int add_pushurl_aliases; |
085b98f6 | 482 | if (!remote_state->remotes[i]) |
55029ae4 | 483 | continue; |
085b98f6 GC |
484 | for (j = 0; j < remote_state->remotes[i]->pushurl_nr; j++) { |
485 | remote_state->remotes[i]->pushurl[j] = | |
486 | alias_url(remote_state->remotes[i]->pushurl[j], | |
487 | &remote_state->rewrites); | |
20346234 | 488 | } |
085b98f6 GC |
489 | add_pushurl_aliases = remote_state->remotes[i]->pushurl_nr == 0; |
490 | for (j = 0; j < remote_state->remotes[i]->url_nr; j++) { | |
1c2eafb8 | 491 | if (add_pushurl_aliases) |
fd3cb050 | 492 | add_pushurl_alias( |
085b98f6 GC |
493 | remote_state, remote_state->remotes[i], |
494 | remote_state->remotes[i]->url[j]); | |
495 | remote_state->remotes[i]->url[j] = | |
496 | alias_url(remote_state->remotes[i]->url[j], | |
497 | &remote_state->rewrites); | |
1c2eafb8 | 498 | } |
55029ae4 DB |
499 | } |
500 | } | |
501 | ||
085b98f6 | 502 | static void read_config(struct repository *repo) |
5751f490 | 503 | { |
5751f490 | 504 | int flag; |
e41bf352 | 505 | |
085b98f6 | 506 | if (repo->remote_state->initialized) |
5751f490 | 507 | return; |
085b98f6 | 508 | repo->remote_state->initialized = 1; |
e41bf352 | 509 | |
085b98f6 | 510 | repo->remote_state->current_branch = NULL; |
f2f12d16 | 511 | if (startup_info->have_repository) { |
085b98f6 | 512 | const char *head_ref = refs_resolve_ref_unsafe( |
ce14de03 | 513 | get_main_ref_store(repo), "HEAD", 0, NULL, &flag); |
f2f12d16 JK |
514 | if (head_ref && (flag & REF_ISSYMREF) && |
515 | skip_prefix(head_ref, "refs/heads/", &head_ref)) { | |
085b98f6 GC |
516 | repo->remote_state->current_branch = make_branch( |
517 | repo->remote_state, head_ref, strlen(head_ref)); | |
f2f12d16 | 518 | } |
5751f490 | 519 | } |
085b98f6 GC |
520 | repo_config(repo, handle_config, repo->remote_state); |
521 | alias_all_urls(repo->remote_state); | |
5751f490 DB |
522 | } |
523 | ||
df93e33c DB |
524 | static int valid_remote_nick(const char *name) |
525 | { | |
8ca12c0d | 526 | if (!name[0] || is_dot_or_dotdot(name)) |
df93e33c | 527 | return 0; |
d9244ecf JS |
528 | |
529 | /* remote nicknames cannot contain slashes */ | |
530 | while (*name) | |
531 | if (is_dir_sep(*name++)) | |
532 | return 0; | |
533 | return 1; | |
df93e33c DB |
534 | } |
535 | ||
56eed342 GC |
536 | static const char *remotes_remote_for_branch(struct remote_state *remote_state, |
537 | struct branch *branch, | |
538 | int *explicit) | |
f052154d JK |
539 | { |
540 | if (branch && branch->remote_name) { | |
541 | if (explicit) | |
542 | *explicit = 1; | |
543 | return branch->remote_name; | |
544 | } | |
545 | if (explicit) | |
546 | *explicit = 0; | |
8a649be7 TK |
547 | if (remote_state->remotes_nr == 1) |
548 | return remote_state->remotes[0]->name; | |
f052154d JK |
549 | return "origin"; |
550 | } | |
551 | ||
56eed342 GC |
552 | const char *remote_for_branch(struct branch *branch, int *explicit) |
553 | { | |
554 | read_config(the_repository); | |
4a2dcb1a GC |
555 | die_on_missing_branch(the_repository, branch); |
556 | ||
56eed342 GC |
557 | return remotes_remote_for_branch(the_repository->remote_state, branch, |
558 | explicit); | |
559 | } | |
560 | ||
561 | static const char * | |
562 | remotes_pushremote_for_branch(struct remote_state *remote_state, | |
563 | struct branch *branch, int *explicit) | |
da66b274 JK |
564 | { |
565 | if (branch && branch->pushremote_name) { | |
566 | if (explicit) | |
567 | *explicit = 1; | |
568 | return branch->pushremote_name; | |
569 | } | |
56eed342 | 570 | if (remote_state->pushremote_name) { |
da66b274 JK |
571 | if (explicit) |
572 | *explicit = 1; | |
56eed342 | 573 | return remote_state->pushremote_name; |
da66b274 | 574 | } |
56eed342 | 575 | return remotes_remote_for_branch(remote_state, branch, explicit); |
da66b274 JK |
576 | } |
577 | ||
56eed342 GC |
578 | const char *pushremote_for_branch(struct branch *branch, int *explicit) |
579 | { | |
580 | read_config(the_repository); | |
4a2dcb1a GC |
581 | die_on_missing_branch(the_repository, branch); |
582 | ||
56eed342 GC |
583 | return remotes_pushremote_for_branch(the_repository->remote_state, |
584 | branch, explicit); | |
da66b274 JK |
585 | } |
586 | ||
56eed342 GC |
587 | static struct remote *remotes_remote_get(struct remote_state *remote_state, |
588 | const char *name); | |
589 | ||
af8ccd8a | 590 | const char *remote_ref_for_branch(struct branch *branch, int for_push) |
9700fae5 | 591 | { |
56eed342 | 592 | read_config(the_repository); |
4a2dcb1a GC |
593 | die_on_missing_branch(the_repository, branch); |
594 | ||
9700fae5 W |
595 | if (branch) { |
596 | if (!for_push) { | |
597 | if (branch->merge_nr) { | |
9700fae5 W |
598 | return branch->merge_name[0]; |
599 | } | |
600 | } else { | |
56eed342 GC |
601 | const char *dst, |
602 | *remote_name = remotes_pushremote_for_branch( | |
603 | the_repository->remote_state, branch, | |
604 | NULL); | |
605 | struct remote *remote = remotes_remote_get( | |
606 | the_repository->remote_state, remote_name); | |
9700fae5 | 607 | |
6bdb304b | 608 | if (remote && remote->push.nr && |
d000414e | 609 | (dst = apply_refspecs(&remote->push, |
9700fae5 | 610 | branch->refname))) { |
9700fae5 W |
611 | return dst; |
612 | } | |
613 | } | |
614 | } | |
af8ccd8a | 615 | return NULL; |
9700fae5 W |
616 | } |
617 | ||
6dcbdc0d DS |
618 | static void validate_remote_url(struct remote *remote) |
619 | { | |
620 | int i; | |
621 | const char *value; | |
622 | struct strbuf redacted = STRBUF_INIT; | |
623 | int warn_not_die; | |
624 | ||
7281c196 | 625 | if (git_config_get_string_tmp("transfer.credentialsinurl", &value)) |
6dcbdc0d DS |
626 | return; |
627 | ||
628 | if (!strcmp("warn", value)) | |
629 | warn_not_die = 1; | |
630 | else if (!strcmp("die", value)) | |
631 | warn_not_die = 0; | |
632 | else if (!strcmp("allow", value)) | |
633 | return; | |
634 | else | |
b4eda05d | 635 | die(_("unrecognized value transfer.credentialsInUrl: '%s'"), value); |
6dcbdc0d DS |
636 | |
637 | for (i = 0; i < remote->url_nr; i++) { | |
638 | struct url_info url_info = { 0 }; | |
639 | ||
640 | if (!url_normalize(remote->url[i], &url_info) || | |
641 | !url_info.passwd_off) | |
642 | goto loop_cleanup; | |
643 | ||
644 | strbuf_reset(&redacted); | |
645 | strbuf_add(&redacted, url_info.url, url_info.passwd_off); | |
646 | strbuf_addstr(&redacted, "<redacted>"); | |
647 | strbuf_addstr(&redacted, | |
648 | url_info.url + url_info.passwd_off + url_info.passwd_len); | |
649 | ||
650 | if (warn_not_die) | |
651 | warning(_("URL '%s' uses plaintext credentials"), redacted.buf); | |
652 | else | |
653 | die(_("URL '%s' uses plaintext credentials"), redacted.buf); | |
654 | ||
655 | loop_cleanup: | |
656 | free(url_info.url); | |
657 | } | |
658 | ||
659 | strbuf_release(&redacted); | |
660 | } | |
661 | ||
56eed342 GC |
662 | static struct remote * |
663 | remotes_remote_get_1(struct remote_state *remote_state, const char *name, | |
664 | const char *(*get_default)(struct remote_state *, | |
665 | struct branch *, int *)) | |
5751f490 DB |
666 | { |
667 | struct remote *ret; | |
fa685bdf | 668 | int name_given = 0; |
5751f490 | 669 | |
fa685bdf DB |
670 | if (name) |
671 | name_given = 1; | |
da66b274 | 672 | else |
56eed342 | 673 | name = get_default(remote_state, remote_state->current_branch, |
fd3cb050 | 674 | &name_given); |
9326d494 | 675 | |
56eed342 | 676 | ret = make_remote(remote_state, name, 0); |
4539c218 | 677 | if (valid_remote_nick(name) && have_git_dir()) { |
0a4da29d | 678 | if (!valid_remote(ret)) |
56eed342 | 679 | read_remotes_file(remote_state, ret); |
0a4da29d | 680 | if (!valid_remote(ret)) |
56eed342 | 681 | read_branches_file(remote_state, ret); |
5751f490 | 682 | } |
0a4da29d | 683 | if (name_given && !valid_remote(ret)) |
56eed342 | 684 | add_url_alias(remote_state, ret, name); |
0a4da29d | 685 | if (!valid_remote(ret)) |
5751f490 | 686 | return NULL; |
6dcbdc0d DS |
687 | |
688 | validate_remote_url(ret); | |
689 | ||
5751f490 DB |
690 | return ret; |
691 | } | |
6b62816c | 692 | |
56eed342 GC |
693 | static inline struct remote * |
694 | remotes_remote_get(struct remote_state *remote_state, const char *name) | |
695 | { | |
696 | return remotes_remote_get_1(remote_state, name, | |
697 | remotes_remote_for_branch); | |
698 | } | |
699 | ||
f24f715e RR |
700 | struct remote *remote_get(const char *name) |
701 | { | |
56eed342 GC |
702 | read_config(the_repository); |
703 | return remotes_remote_get(the_repository->remote_state, name); | |
704 | } | |
705 | ||
706 | static inline struct remote * | |
707 | remotes_pushremote_get(struct remote_state *remote_state, const char *name) | |
708 | { | |
709 | return remotes_remote_get_1(remote_state, name, | |
710 | remotes_pushremote_for_branch); | |
f24f715e RR |
711 | } |
712 | ||
713 | struct remote *pushremote_get(const char *name) | |
714 | { | |
56eed342 GC |
715 | read_config(the_repository); |
716 | return remotes_pushremote_get(the_repository->remote_state, name); | |
f24f715e RR |
717 | } |
718 | ||
e459b073 | 719 | int remote_is_configured(struct remote *remote, int in_repo) |
9a23ba33 | 720 | { |
e459b073 JS |
721 | if (!remote) |
722 | return 0; | |
723 | if (in_repo) | |
724 | return remote->configured_in_repo; | |
725 | return !!remote->origin; | |
9a23ba33 FAG |
726 | } |
727 | ||
b42f6927 JS |
728 | int for_each_remote(each_remote_fn fn, void *priv) |
729 | { | |
730 | int i, result = 0; | |
085b98f6 | 731 | read_config(the_repository); |
fd3cb050 GC |
732 | for (i = 0; i < the_repository->remote_state->remotes_nr && !result; |
733 | i++) { | |
734 | struct remote *remote = | |
735 | the_repository->remote_state->remotes[i]; | |
736 | if (!remote) | |
b42f6927 | 737 | continue; |
fd3cb050 | 738 | result = fn(remote, priv); |
b42f6927 JS |
739 | } |
740 | return result; | |
741 | } | |
742 | ||
df02ebda MH |
743 | static void handle_duplicate(struct ref *ref1, struct ref *ref2) |
744 | { | |
f096e6e8 MH |
745 | if (strcmp(ref1->name, ref2->name)) { |
746 | if (ref1->fetch_head_status != FETCH_HEAD_IGNORE && | |
747 | ref2->fetch_head_status != FETCH_HEAD_IGNORE) { | |
748 | die(_("Cannot fetch both %s and %s to %s"), | |
749 | ref1->name, ref2->name, ref2->peer_ref->name); | |
750 | } else if (ref1->fetch_head_status != FETCH_HEAD_IGNORE && | |
751 | ref2->fetch_head_status == FETCH_HEAD_IGNORE) { | |
752 | warning(_("%s usually tracks %s, not %s"), | |
753 | ref2->peer_ref->name, ref2->name, ref1->name); | |
754 | } else if (ref1->fetch_head_status == FETCH_HEAD_IGNORE && | |
755 | ref2->fetch_head_status == FETCH_HEAD_IGNORE) { | |
756 | die(_("%s tracks both %s and %s"), | |
757 | ref2->peer_ref->name, ref1->name, ref2->name); | |
758 | } else { | |
759 | /* | |
760 | * This last possibility doesn't occur because | |
761 | * FETCH_HEAD_IGNORE entries always appear at | |
762 | * the end of the list. | |
763 | */ | |
92ca8680 | 764 | BUG("Internal error"); |
f096e6e8 MH |
765 | } |
766 | } | |
df02ebda MH |
767 | free(ref2->peer_ref); |
768 | free(ref2); | |
769 | } | |
770 | ||
b9afe665 | 771 | struct ref *ref_remove_duplicates(struct ref *ref_map) |
2467a4fa | 772 | { |
183113a5 | 773 | struct string_list refs = STRING_LIST_INIT_NODUP; |
b9afe665 MH |
774 | struct ref *retval = NULL; |
775 | struct ref **p = &retval; | |
73cf0822 | 776 | |
b9afe665 MH |
777 | while (ref_map) { |
778 | struct ref *ref = ref_map; | |
779 | ||
780 | ref_map = ref_map->next; | |
781 | ref->next = NULL; | |
73cf0822 | 782 | |
b9afe665 MH |
783 | if (!ref->peer_ref) { |
784 | *p = ref; | |
785 | p = &ref->next; | |
09ea1f8e | 786 | } else { |
b9afe665 MH |
787 | struct string_list_item *item = |
788 | string_list_insert(&refs, ref->peer_ref->name); | |
789 | ||
790 | if (item->util) { | |
791 | /* Entry already existed */ | |
df02ebda | 792 | handle_duplicate((struct ref *)item->util, ref); |
b9afe665 MH |
793 | } else { |
794 | *p = ref; | |
795 | p = &ref->next; | |
796 | item->util = ref; | |
797 | } | |
2467a4fa DB |
798 | } |
799 | } | |
b9afe665 | 800 | |
73cf0822 | 801 | string_list_clear(&refs, 0); |
b9afe665 | 802 | return retval; |
2467a4fa DB |
803 | } |
804 | ||
28b91f8a | 805 | int remote_has_url(struct remote *remote, const char *url) |
5d46c9d4 DB |
806 | { |
807 | int i; | |
28b91f8a SP |
808 | for (i = 0; i < remote->url_nr; i++) { |
809 | if (!strcmp(remote->url[i], url)) | |
5d46c9d4 DB |
810 | return 1; |
811 | } | |
812 | return 0; | |
813 | } | |
814 | ||
e928213f DB |
815 | static int match_name_with_pattern(const char *key, const char *name, |
816 | const char *value, char **result) | |
a3c84239 | 817 | { |
08fbdb30 DB |
818 | const char *kstar = strchr(key, '*'); |
819 | size_t klen; | |
abd2bde7 DB |
820 | size_t ksuffixlen; |
821 | size_t namelen; | |
08fbdb30 DB |
822 | int ret; |
823 | if (!kstar) | |
0b9c3afd | 824 | die(_("key '%s' of pattern had no '*'"), key); |
08fbdb30 | 825 | klen = kstar - key; |
abd2bde7 DB |
826 | ksuffixlen = strlen(kstar + 1); |
827 | namelen = strlen(name); | |
828 | ret = !strncmp(name, key, klen) && namelen >= klen + ksuffixlen && | |
829 | !memcmp(name + namelen - ksuffixlen, kstar + 1, ksuffixlen); | |
e928213f | 830 | if (ret && value) { |
07bfa575 | 831 | struct strbuf sb = STRBUF_INIT; |
08fbdb30 | 832 | const char *vstar = strchr(value, '*'); |
08fbdb30 | 833 | if (!vstar) |
0b9c3afd | 834 | die(_("value '%s' of pattern has no '*'"), value); |
07bfa575 RS |
835 | strbuf_add(&sb, value, vstar - value); |
836 | strbuf_add(&sb, name + klen, namelen - klen - ksuffixlen); | |
837 | strbuf_addstr(&sb, vstar + 1); | |
838 | *result = strbuf_detach(&sb, NULL); | |
e928213f | 839 | } |
a3c84239 DB |
840 | return ret; |
841 | } | |
842 | ||
c0192df6 JK |
843 | static int refspec_match(const struct refspec_item *refspec, |
844 | const char *name) | |
845 | { | |
846 | if (refspec->pattern) | |
847 | return match_name_with_pattern(refspec->src, name, NULL, NULL); | |
848 | ||
849 | return !strcmp(refspec->src, name); | |
850 | } | |
851 | ||
2c80a82e | 852 | int omit_name_by_refspec(const char *name, struct refspec *rs) |
c0192df6 JK |
853 | { |
854 | int i; | |
855 | ||
856 | for (i = 0; i < rs->nr; i++) { | |
857 | if (rs->items[i].negative && refspec_match(&rs->items[i], name)) | |
858 | return 1; | |
859 | } | |
860 | return 0; | |
861 | } | |
862 | ||
863 | struct ref *apply_negative_refspecs(struct ref *ref_map, struct refspec *rs) | |
864 | { | |
865 | struct ref **tail; | |
866 | ||
867 | for (tail = &ref_map; *tail; ) { | |
868 | struct ref *ref = *tail; | |
869 | ||
870 | if (omit_name_by_refspec(ref->name, rs)) { | |
871 | *tail = ref->next; | |
872 | free(ref->peer_ref); | |
873 | free(ref); | |
874 | } else | |
875 | tail = &ref->next; | |
876 | } | |
877 | ||
878 | return ref_map; | |
879 | } | |
880 | ||
881 | static int query_matches_negative_refspec(struct refspec *rs, struct refspec_item *query) | |
882 | { | |
883 | int i, matched_negative = 0; | |
884 | int find_src = !query->src; | |
885 | struct string_list reversed = STRING_LIST_INIT_NODUP; | |
886 | const char *needle = find_src ? query->dst : query->src; | |
887 | ||
888 | /* | |
889 | * Check whether the queried ref matches any negative refpsec. If so, | |
890 | * then we should ultimately treat this as not matching the query at | |
891 | * all. | |
892 | * | |
893 | * Note that negative refspecs always match the source, but the query | |
894 | * item uses the destination. To handle this, we apply pattern | |
895 | * refspecs in reverse to figure out if the query source matches any | |
896 | * of the negative refspecs. | |
773c6941 NK |
897 | * |
898 | * The first loop finds and expands all positive refspecs | |
899 | * matched by the queried ref. | |
900 | * | |
901 | * The second loop checks if any of the results of the first loop | |
902 | * match any negative refspec. | |
c0192df6 JK |
903 | */ |
904 | for (i = 0; i < rs->nr; i++) { | |
905 | struct refspec_item *refspec = &rs->items[i]; | |
906 | char *expn_name; | |
907 | ||
908 | if (refspec->negative) | |
909 | continue; | |
910 | ||
911 | /* Note the reversal of src and dst */ | |
912 | if (refspec->pattern) { | |
913 | const char *key = refspec->dst ? refspec->dst : refspec->src; | |
914 | const char *value = refspec->src; | |
915 | ||
916 | if (match_name_with_pattern(key, needle, value, &expn_name)) | |
917 | string_list_append_nodup(&reversed, expn_name); | |
18f9c988 NK |
918 | } else if (refspec->matching) { |
919 | /* For the special matching refspec, any query should match */ | |
920 | string_list_append(&reversed, needle); | |
921 | } else if (!refspec->src) { | |
922 | BUG("refspec->src should not be null here"); | |
923 | } else if (!strcmp(needle, refspec->src)) { | |
924 | string_list_append(&reversed, refspec->src); | |
c0192df6 JK |
925 | } |
926 | } | |
927 | ||
928 | for (i = 0; !matched_negative && i < reversed.nr; i++) { | |
929 | if (omit_name_by_refspec(reversed.items[i].string, rs)) | |
930 | matched_negative = 1; | |
931 | } | |
932 | ||
933 | string_list_clear(&reversed, 0); | |
934 | ||
935 | return matched_negative; | |
936 | } | |
937 | ||
a2ac50cb BW |
938 | static void query_refspecs_multiple(struct refspec *rs, |
939 | struct refspec_item *query, | |
940 | struct string_list *results) | |
e6f63712 CMN |
941 | { |
942 | int i; | |
943 | int find_src = !query->src; | |
944 | ||
945 | if (find_src && !query->dst) | |
92ca8680 | 946 | BUG("query_refspecs_multiple: need either src or dst"); |
e6f63712 | 947 | |
c0192df6 JK |
948 | if (query_matches_negative_refspec(rs, query)) |
949 | return; | |
950 | ||
a2ac50cb BW |
951 | for (i = 0; i < rs->nr; i++) { |
952 | struct refspec_item *refspec = &rs->items[i]; | |
e6f63712 CMN |
953 | const char *key = find_src ? refspec->dst : refspec->src; |
954 | const char *value = find_src ? refspec->src : refspec->dst; | |
955 | const char *needle = find_src ? query->dst : query->src; | |
956 | char **result = find_src ? &query->src : &query->dst; | |
957 | ||
c0192df6 | 958 | if (!refspec->dst || refspec->negative) |
e6f63712 CMN |
959 | continue; |
960 | if (refspec->pattern) { | |
961 | if (match_name_with_pattern(key, needle, value, result)) | |
962 | string_list_append_nodup(results, *result); | |
963 | } else if (!strcmp(needle, key)) { | |
964 | string_list_append(results, value); | |
965 | } | |
966 | } | |
967 | } | |
968 | ||
86baf825 | 969 | int query_refspecs(struct refspec *rs, struct refspec_item *query) |
72ff8943 DB |
970 | { |
971 | int i; | |
c500352e | 972 | int find_src = !query->src; |
049bff8f MH |
973 | const char *needle = find_src ? query->dst : query->src; |
974 | char **result = find_src ? &query->src : &query->dst; | |
72ff8943 | 975 | |
c500352e | 976 | if (find_src && !query->dst) |
92ca8680 | 977 | BUG("query_refspecs: need either src or dst"); |
b42f6927 | 978 | |
c0192df6 JK |
979 | if (query_matches_negative_refspec(rs, query)) |
980 | return -1; | |
981 | ||
86baf825 BW |
982 | for (i = 0; i < rs->nr; i++) { |
983 | struct refspec_item *refspec = &rs->items[i]; | |
c500352e CMN |
984 | const char *key = find_src ? refspec->dst : refspec->src; |
985 | const char *value = find_src ? refspec->src : refspec->dst; | |
b42f6927 | 986 | |
c0192df6 | 987 | if (!refspec->dst || refspec->negative) |
5d46c9d4 | 988 | continue; |
c500352e | 989 | if (refspec->pattern) { |
e928213f | 990 | if (match_name_with_pattern(key, needle, value, result)) { |
c500352e | 991 | query->force = refspec->force; |
5d46c9d4 DB |
992 | return 0; |
993 | } | |
b42f6927 JS |
994 | } else if (!strcmp(needle, key)) { |
995 | *result = xstrdup(value); | |
c500352e | 996 | query->force = refspec->force; |
b42f6927 | 997 | return 0; |
5d46c9d4 DB |
998 | } |
999 | } | |
5d46c9d4 DB |
1000 | return -1; |
1001 | } | |
1002 | ||
d000414e | 1003 | char *apply_refspecs(struct refspec *rs, const char *name) |
c500352e | 1004 | { |
0ad4a5ff | 1005 | struct refspec_item query; |
c500352e | 1006 | |
0ad4a5ff | 1007 | memset(&query, 0, sizeof(struct refspec_item)); |
c500352e CMN |
1008 | query.src = (char *)name; |
1009 | ||
86baf825 | 1010 | if (query_refspecs(rs, &query)) |
c500352e CMN |
1011 | return NULL; |
1012 | ||
1013 | return query.dst; | |
1014 | } | |
1015 | ||
0ad4a5ff | 1016 | int remote_find_tracking(struct remote *remote, struct refspec_item *refspec) |
c500352e | 1017 | { |
86baf825 | 1018 | return query_refspecs(&remote->fetch, refspec); |
c500352e CMN |
1019 | } |
1020 | ||
8009768e RS |
1021 | static struct ref *alloc_ref_with_prefix(const char *prefix, size_t prefixlen, |
1022 | const char *name) | |
1023 | { | |
1024 | size_t len = strlen(name); | |
50a6c8ef | 1025 | struct ref *ref = xcalloc(1, st_add4(sizeof(*ref), prefixlen, len, 1)); |
8009768e RS |
1026 | memcpy(ref->name, prefix, prefixlen); |
1027 | memcpy(ref->name + prefixlen, name, len); | |
1028 | return ref; | |
1029 | } | |
1030 | ||
59c69c0c | 1031 | struct ref *alloc_ref(const char *name) |
dfd255dd | 1032 | { |
59c69c0c | 1033 | return alloc_ref_with_prefix("", 0, name); |
737922aa KK |
1034 | } |
1035 | ||
59a57757 | 1036 | struct ref *copy_ref(const struct ref *ref) |
d71ab174 | 1037 | { |
7b3db095 JS |
1038 | struct ref *cpy; |
1039 | size_t len; | |
1040 | if (!ref) | |
1041 | return NULL; | |
50a6c8ef JK |
1042 | len = st_add3(sizeof(struct ref), strlen(ref->name), 1); |
1043 | cpy = xmalloc(len); | |
1044 | memcpy(cpy, ref, len); | |
7b3db095 | 1045 | cpy->next = NULL; |
8c53f071 JK |
1046 | cpy->symref = xstrdup_or_null(ref->symref); |
1047 | cpy->remote_status = xstrdup_or_null(ref->remote_status); | |
7b3db095 JS |
1048 | cpy->peer_ref = copy_ref(ref->peer_ref); |
1049 | return cpy; | |
d71ab174 DB |
1050 | } |
1051 | ||
4577370e DB |
1052 | struct ref *copy_ref_list(const struct ref *ref) |
1053 | { | |
1054 | struct ref *ret = NULL; | |
1055 | struct ref **tail = &ret; | |
1056 | while (ref) { | |
1057 | *tail = copy_ref(ref); | |
1058 | ref = ref->next; | |
1059 | tail = &((*tail)->next); | |
1060 | } | |
1061 | return ret; | |
1062 | } | |
1063 | ||
1027186f | 1064 | void free_one_ref(struct ref *ref) |
be885d96 DB |
1065 | { |
1066 | if (!ref) | |
1067 | return; | |
1027186f | 1068 | free_one_ref(ref->peer_ref); |
be885d96 DB |
1069 | free(ref->remote_status); |
1070 | free(ref->symref); | |
1071 | free(ref); | |
1072 | } | |
1073 | ||
dfd255dd DB |
1074 | void free_refs(struct ref *ref) |
1075 | { | |
1076 | struct ref *next; | |
1077 | while (ref) { | |
1078 | next = ref->next; | |
1027186f | 1079 | free_one_ref(ref); |
dfd255dd DB |
1080 | ref = next; |
1081 | } | |
1082 | } | |
1083 | ||
ca02465b JH |
1084 | int count_refspec_match(const char *pattern, |
1085 | struct ref *refs, | |
1086 | struct ref **matched_ref) | |
6b62816c DB |
1087 | { |
1088 | int patlen = strlen(pattern); | |
1089 | struct ref *matched_weak = NULL; | |
1090 | struct ref *matched = NULL; | |
1091 | int weak_match = 0; | |
1092 | int match = 0; | |
1093 | ||
1094 | for (weak_match = match = 0; refs; refs = refs->next) { | |
1095 | char *name = refs->name; | |
1096 | int namelen = strlen(name); | |
6b62816c | 1097 | |
54457fe5 | 1098 | if (!refname_match(pattern, name)) |
6b62816c DB |
1099 | continue; |
1100 | ||
1101 | /* A match is "weak" if it is with refs outside | |
1102 | * heads or tags, and did not specify the pattern | |
1103 | * in full (e.g. "refs/remotes/origin/master") or at | |
1104 | * least from the toplevel (e.g. "remotes/origin/master"); | |
1105 | * otherwise "git push $URL master" would result in | |
1106 | * ambiguity between remotes/origin/master and heads/master | |
1107 | * at the remote site. | |
1108 | */ | |
1109 | if (namelen != patlen && | |
1110 | patlen != namelen - 5 && | |
59556548 CC |
1111 | !starts_with(name, "refs/heads/") && |
1112 | !starts_with(name, "refs/tags/")) { | |
6b62816c DB |
1113 | /* We want to catch the case where only weak |
1114 | * matches are found and there are multiple | |
1115 | * matches, and where more than one strong | |
1116 | * matches are found, as ambiguous. One | |
1117 | * strong match with zero or more weak matches | |
1118 | * are acceptable as a unique match. | |
1119 | */ | |
1120 | matched_weak = refs; | |
1121 | weak_match++; | |
1122 | } | |
1123 | else { | |
1124 | matched = refs; | |
1125 | match++; | |
1126 | } | |
1127 | } | |
1128 | if (!matched) { | |
471fd3fe JK |
1129 | if (matched_ref) |
1130 | *matched_ref = matched_weak; | |
6b62816c DB |
1131 | return weak_match; |
1132 | } | |
1133 | else { | |
471fd3fe JK |
1134 | if (matched_ref) |
1135 | *matched_ref = matched; | |
6b62816c DB |
1136 | return match; |
1137 | } | |
1138 | } | |
1139 | ||
1d735267 | 1140 | static void tail_link_ref(struct ref *ref, struct ref ***tail) |
6b62816c DB |
1141 | { |
1142 | **tail = ref; | |
1d735267 DB |
1143 | while (ref->next) |
1144 | ref = ref->next; | |
6b62816c | 1145 | *tail = &ref->next; |
6b62816c DB |
1146 | } |
1147 | ||
67655246 FC |
1148 | static struct ref *alloc_delete_ref(void) |
1149 | { | |
1150 | struct ref *ref = alloc_ref("(delete)"); | |
f4e54d02 | 1151 | oidclr(&ref->new_oid); |
67655246 FC |
1152 | return ref; |
1153 | } | |
1154 | ||
471fd3fe JK |
1155 | static int try_explicit_object_name(const char *name, |
1156 | struct ref **match) | |
6b62816c | 1157 | { |
fcd30b13 | 1158 | struct object_id oid; |
6b62816c | 1159 | |
471fd3fe JK |
1160 | if (!*name) { |
1161 | if (match) | |
1162 | *match = alloc_delete_ref(); | |
1163 | return 0; | |
1164 | } | |
1165 | ||
e82caf38 | 1166 | if (get_oid(name, &oid)) |
471fd3fe JK |
1167 | return -1; |
1168 | ||
1169 | if (match) { | |
1170 | *match = alloc_ref(name); | |
fcd30b13 | 1171 | oidcpy(&(*match)->new_oid, &oid); |
471fd3fe JK |
1172 | } |
1173 | return 0; | |
6b62816c DB |
1174 | } |
1175 | ||
1d735267 | 1176 | static struct ref *make_linked_ref(const char *name, struct ref ***tail) |
6b62816c | 1177 | { |
59c69c0c | 1178 | struct ref *ret = alloc_ref(name); |
1d735267 DB |
1179 | tail_link_ref(ret, tail); |
1180 | return ret; | |
163f0ee5 | 1181 | } |
8558fd9e | 1182 | |
f8aae120 JK |
1183 | static char *guess_ref(const char *name, struct ref *peer) |
1184 | { | |
1185 | struct strbuf buf = STRBUF_INIT; | |
f8aae120 | 1186 | |
7695d118 | 1187 | const char *r = resolve_ref_unsafe(peer->name, RESOLVE_REF_READING, |
744c040b | 1188 | NULL, NULL); |
f8aae120 JK |
1189 | if (!r) |
1190 | return NULL; | |
1191 | ||
cab53989 | 1192 | if (starts_with(r, "refs/heads/")) { |
f8aae120 | 1193 | strbuf_addstr(&buf, "refs/heads/"); |
cab53989 | 1194 | } else if (starts_with(r, "refs/tags/")) { |
f8aae120 | 1195 | strbuf_addstr(&buf, "refs/tags/"); |
cab53989 | 1196 | } else { |
f8aae120 | 1197 | return NULL; |
cab53989 | 1198 | } |
f8aae120 JK |
1199 | |
1200 | strbuf_addstr(&buf, name); | |
1201 | return strbuf_detach(&buf, NULL); | |
1202 | } | |
1203 | ||
f7ade3d3 | 1204 | static int match_explicit_lhs(struct ref *src, |
0ad4a5ff | 1205 | struct refspec_item *rs, |
f7ade3d3 JK |
1206 | struct ref **match, |
1207 | int *allocated_match) | |
1208 | { | |
1209 | switch (count_refspec_match(rs->src, src, match)) { | |
1210 | case 1: | |
471fd3fe JK |
1211 | if (allocated_match) |
1212 | *allocated_match = 0; | |
f7ade3d3 JK |
1213 | return 0; |
1214 | case 0: | |
1215 | /* The source could be in the get_sha1() format | |
1216 | * not a reference name. :refs/other is a | |
1217 | * way to delete 'other' ref at the remote end. | |
1218 | */ | |
471fd3fe | 1219 | if (try_explicit_object_name(rs->src, match) < 0) |
0b9c3afd | 1220 | return error(_("src refspec %s does not match any"), rs->src); |
471fd3fe JK |
1221 | if (allocated_match) |
1222 | *allocated_match = 1; | |
f7ade3d3 JK |
1223 | return 0; |
1224 | default: | |
0b9c3afd | 1225 | return error(_("src refspec %s matches more than one"), rs->src); |
f7ade3d3 JK |
1226 | } |
1227 | } | |
1228 | ||
04d17287 ÆAB |
1229 | static void show_push_unqualified_ref_name_error(const char *dst_value, |
1230 | const char *matched_src_name) | |
1231 | { | |
dd8dd300 ÆAB |
1232 | struct object_id oid; |
1233 | enum object_type type; | |
1234 | ||
04d17287 ÆAB |
1235 | /* |
1236 | * TRANSLATORS: "matches '%s'%" is the <dst> part of "git push | |
1237 | * <remote> <src>:<dst>" push, and "being pushed ('%s')" is | |
1238 | * the <src>. | |
1239 | */ | |
1240 | error(_("The destination you provided is not a full refname (i.e.,\n" | |
1241 | "starting with \"refs/\"). We tried to guess what you meant by:\n" | |
1242 | "\n" | |
1243 | "- Looking for a ref that matches '%s' on the remote side.\n" | |
1244 | "- Checking if the <src> being pushed ('%s')\n" | |
1245 | " is a ref in \"refs/{heads,tags}/\". If so we add a corresponding\n" | |
1246 | " refs/{heads,tags}/ prefix on the remote side.\n" | |
1247 | "\n" | |
1248 | "Neither worked, so we gave up. You must fully qualify the ref."), | |
1249 | dst_value, matched_src_name); | |
dd8dd300 | 1250 | |
ed9bff08 | 1251 | if (!advice_enabled(ADVICE_PUSH_UNQUALIFIED_REF_NAME)) |
dd8dd300 ÆAB |
1252 | return; |
1253 | ||
1254 | if (get_oid(matched_src_name, &oid)) | |
1255 | BUG("'%s' is not a valid object, " | |
1256 | "match_explicit_lhs() should catch this!", | |
1257 | matched_src_name); | |
1258 | type = oid_object_info(the_repository, &oid, NULL); | |
1259 | if (type == OBJ_COMMIT) { | |
1260 | advise(_("The <src> part of the refspec is a commit object.\n" | |
1261 | "Did you mean to create a new branch by pushing to\n" | |
1262 | "'%s:refs/heads/%s'?"), | |
1263 | matched_src_name, dst_value); | |
1264 | } else if (type == OBJ_TAG) { | |
1265 | advise(_("The <src> part of the refspec is a tag object.\n" | |
1266 | "Did you mean to create a new tag by pushing to\n" | |
1267 | "'%s:refs/tags/%s'?"), | |
1268 | matched_src_name, dst_value); | |
1269 | } else if (type == OBJ_TREE) { | |
1270 | advise(_("The <src> part of the refspec is a tree object.\n" | |
1271 | "Did you mean to tag a new tree by pushing to\n" | |
1272 | "'%s:refs/tags/%s'?"), | |
1273 | matched_src_name, dst_value); | |
1274 | } else if (type == OBJ_BLOB) { | |
1275 | advise(_("The <src> part of the refspec is a blob object.\n" | |
1276 | "Did you mean to tag a new blob by pushing to\n" | |
1277 | "'%s:refs/tags/%s'?"), | |
1278 | matched_src_name, dst_value); | |
1279 | } else { | |
1280 | BUG("'%s' should be commit/tag/tree/blob, is '%d'", | |
1281 | matched_src_name, type); | |
1282 | } | |
04d17287 ÆAB |
1283 | } |
1284 | ||
54a8ad92 JH |
1285 | static int match_explicit(struct ref *src, struct ref *dst, |
1286 | struct ref ***dst_tail, | |
0ad4a5ff | 1287 | struct refspec_item *rs) |
6b62816c | 1288 | { |
54a8ad92 | 1289 | struct ref *matched_src, *matched_dst; |
f7ade3d3 | 1290 | int allocated_src; |
8558fd9e | 1291 | |
54a8ad92 | 1292 | const char *dst_value = rs->dst; |
f8aae120 | 1293 | char *dst_guess; |
6b62816c | 1294 | |
c0192df6 | 1295 | if (rs->pattern || rs->matching || rs->negative) |
9a7bbd1d | 1296 | return 0; |
8558fd9e | 1297 | |
54a8ad92 | 1298 | matched_src = matched_dst = NULL; |
f7ade3d3 JK |
1299 | if (match_explicit_lhs(src, rs, &matched_src, &allocated_src) < 0) |
1300 | return -1; | |
3c8b7df1 | 1301 | |
4491e62a | 1302 | if (!dst_value) { |
9f0ea7e8 DB |
1303 | int flag; |
1304 | ||
7695d118 RS |
1305 | dst_value = resolve_ref_unsafe(matched_src->name, |
1306 | RESOLVE_REF_READING, | |
744c040b | 1307 | NULL, &flag); |
9f0ea7e8 DB |
1308 | if (!dst_value || |
1309 | ((flag & REF_ISSYMREF) && | |
59556548 | 1310 | !starts_with(dst_value, "refs/heads/"))) |
0b9c3afd | 1311 | die(_("%s cannot be resolved to branch"), |
9f0ea7e8 | 1312 | matched_src->name); |
4491e62a | 1313 | } |
3c8b7df1 | 1314 | |
54a8ad92 JH |
1315 | switch (count_refspec_match(dst_value, dst, &matched_dst)) { |
1316 | case 1: | |
1317 | break; | |
1318 | case 0: | |
cab53989 | 1319 | if (starts_with(dst_value, "refs/")) { |
1d735267 | 1320 | matched_dst = make_linked_ref(dst_value, dst_tail); |
cab53989 | 1321 | } else if (is_null_oid(&matched_src->new_oid)) { |
0b9c3afd | 1322 | error(_("unable to delete '%s': remote ref does not exist"), |
5742c82b | 1323 | dst_value); |
cab53989 | 1324 | } else if ((dst_guess = guess_ref(dst_value, matched_src))) { |
f8aae120 | 1325 | matched_dst = make_linked_ref(dst_guess, dst_tail); |
3dc7ea91 | 1326 | free(dst_guess); |
cab53989 | 1327 | } else { |
04d17287 ÆAB |
1328 | show_push_unqualified_ref_name_error(dst_value, |
1329 | matched_src->name); | |
cab53989 | 1330 | } |
54a8ad92 JH |
1331 | break; |
1332 | default: | |
3c8b7df1 | 1333 | matched_dst = NULL; |
0b9c3afd | 1334 | error(_("dst refspec %s matches more than one"), |
54a8ad92 JH |
1335 | dst_value); |
1336 | break; | |
1337 | } | |
9a7bbd1d JK |
1338 | if (!matched_dst) |
1339 | return -1; | |
1340 | if (matched_dst->peer_ref) | |
0b9c3afd NTND |
1341 | return error(_("dst ref %s receives from more than one src"), |
1342 | matched_dst->name); | |
54a8ad92 | 1343 | else { |
f7ade3d3 JK |
1344 | matched_dst->peer_ref = allocated_src ? |
1345 | matched_src : | |
1346 | copy_ref(matched_src); | |
54a8ad92 | 1347 | matched_dst->force = rs->force; |
6b62816c | 1348 | } |
9a7bbd1d | 1349 | return 0; |
54a8ad92 JH |
1350 | } |
1351 | ||
1352 | static int match_explicit_refs(struct ref *src, struct ref *dst, | |
9fa2e5e8 | 1353 | struct ref ***dst_tail, struct refspec *rs) |
54a8ad92 JH |
1354 | { |
1355 | int i, errs; | |
9fa2e5e8 BW |
1356 | for (i = errs = 0; i < rs->nr; i++) |
1357 | errs += match_explicit(src, dst, dst_tail, &rs->items[i]); | |
9a7bbd1d | 1358 | return errs; |
6b62816c DB |
1359 | } |
1360 | ||
f3acb830 BW |
1361 | static char *get_ref_match(const struct refspec *rs, const struct ref *ref, |
1362 | int send_mirror, int direction, | |
1363 | const struct refspec_item **ret_pat) | |
8558fd9e | 1364 | { |
0ad4a5ff | 1365 | const struct refspec_item *pat; |
db70a04c | 1366 | char *name; |
8558fd9e | 1367 | int i; |
a83619d6 | 1368 | int matching_refs = -1; |
f3acb830 BW |
1369 | for (i = 0; i < rs->nr; i++) { |
1370 | const struct refspec_item *item = &rs->items[i]; | |
c0192df6 JK |
1371 | |
1372 | if (item->negative) | |
1373 | continue; | |
1374 | ||
f3acb830 BW |
1375 | if (item->matching && |
1376 | (matching_refs == -1 || item->force)) { | |
a83619d6 PB |
1377 | matching_refs = i; |
1378 | continue; | |
1379 | } | |
1380 | ||
f3acb830 BW |
1381 | if (item->pattern) { |
1382 | const char *dst_side = item->dst ? item->dst : item->src; | |
6ddba5e2 FC |
1383 | int match; |
1384 | if (direction == FROM_SRC) | |
f3acb830 | 1385 | match = match_name_with_pattern(item->src, ref->name, dst_side, &name); |
6ddba5e2 | 1386 | else |
f3acb830 | 1387 | match = match_name_with_pattern(dst_side, ref->name, item->src, &name); |
6ddba5e2 | 1388 | if (match) { |
db70a04c FC |
1389 | matching_refs = i; |
1390 | break; | |
1391 | } | |
1392 | } | |
8558fd9e | 1393 | } |
db70a04c | 1394 | if (matching_refs == -1) |
a83619d6 | 1395 | return NULL; |
db70a04c | 1396 | |
f3acb830 | 1397 | pat = &rs->items[matching_refs]; |
db70a04c FC |
1398 | if (pat->matching) { |
1399 | /* | |
1400 | * "matching refs"; traditionally we pushed everything | |
1401 | * including refs outside refs/heads/ hierarchy, but | |
1402 | * that does not make much sense these days. | |
1403 | */ | |
59556548 | 1404 | if (!send_mirror && !starts_with(ref->name, "refs/heads/")) |
db70a04c FC |
1405 | return NULL; |
1406 | name = xstrdup(ref->name); | |
1407 | } | |
1408 | if (ret_pat) | |
1409 | *ret_pat = pat; | |
1410 | return name; | |
8558fd9e DB |
1411 | } |
1412 | ||
6d2bf96e CB |
1413 | static struct ref **tail_ref(struct ref **head) |
1414 | { | |
1415 | struct ref **tail = head; | |
1416 | while (*tail) | |
1417 | tail = &((*tail)->next); | |
1418 | return tail; | |
1419 | } | |
1420 | ||
c2aba155 JH |
1421 | struct tips { |
1422 | struct commit **tip; | |
1423 | int nr, alloc; | |
1424 | }; | |
1425 | ||
fcd30b13 | 1426 | static void add_to_tips(struct tips *tips, const struct object_id *oid) |
c2aba155 JH |
1427 | { |
1428 | struct commit *commit; | |
1429 | ||
fcd30b13 | 1430 | if (is_null_oid(oid)) |
c2aba155 | 1431 | return; |
21e1ee8f | 1432 | commit = lookup_commit_reference_gently(the_repository, oid, 1); |
c2aba155 JH |
1433 | if (!commit || (commit->object.flags & TMP_MARK)) |
1434 | return; | |
1435 | commit->object.flags |= TMP_MARK; | |
1436 | ALLOC_GROW(tips->tip, tips->nr + 1, tips->alloc); | |
1437 | tips->tip[tips->nr++] = commit; | |
1438 | } | |
1439 | ||
1440 | static void add_missing_tags(struct ref *src, struct ref **dst, struct ref ***dst_tail) | |
1441 | { | |
1442 | struct string_list dst_tag = STRING_LIST_INIT_NODUP; | |
1443 | struct string_list src_tag = STRING_LIST_INIT_NODUP; | |
1444 | struct string_list_item *item; | |
1445 | struct ref *ref; | |
1446 | struct tips sent_tips; | |
1447 | ||
1448 | /* | |
1449 | * Collect everything we know they would have at the end of | |
1450 | * this push, and collect all tags they have. | |
1451 | */ | |
1452 | memset(&sent_tips, 0, sizeof(sent_tips)); | |
1453 | for (ref = *dst; ref; ref = ref->next) { | |
1454 | if (ref->peer_ref && | |
f4e54d02 | 1455 | !is_null_oid(&ref->peer_ref->new_oid)) |
fcd30b13 | 1456 | add_to_tips(&sent_tips, &ref->peer_ref->new_oid); |
c2aba155 | 1457 | else |
fcd30b13 | 1458 | add_to_tips(&sent_tips, &ref->old_oid); |
59556548 | 1459 | if (starts_with(ref->name, "refs/tags/")) |
c2aba155 JH |
1460 | string_list_append(&dst_tag, ref->name); |
1461 | } | |
1462 | clear_commit_marks_many(sent_tips.nr, sent_tips.tip, TMP_MARK); | |
1463 | ||
3383e199 | 1464 | string_list_sort(&dst_tag); |
c2aba155 JH |
1465 | |
1466 | /* Collect tags they do not have. */ | |
1467 | for (ref = src; ref; ref = ref->next) { | |
59556548 | 1468 | if (!starts_with(ref->name, "refs/tags/")) |
c2aba155 JH |
1469 | continue; /* not a tag */ |
1470 | if (string_list_has_string(&dst_tag, ref->name)) | |
1471 | continue; /* they already have it */ | |
0df8e965 | 1472 | if (oid_object_info(the_repository, &ref->new_oid, NULL) != OBJ_TAG) |
c2aba155 JH |
1473 | continue; /* be conservative */ |
1474 | item = string_list_append(&src_tag, ref->name); | |
1475 | item->util = ref; | |
1476 | } | |
1477 | string_list_clear(&dst_tag, 0); | |
1478 | ||
1479 | /* | |
1480 | * At this point, src_tag lists tags that are missing from | |
1481 | * dst, and sent_tips lists the tips we are pushing or those | |
1482 | * that we know they already have. An element in the src_tag | |
1483 | * that is an ancestor of any of the sent_tips needs to be | |
1484 | * sent to the other side. | |
1485 | */ | |
1486 | if (sent_tips.nr) { | |
85daa01f DS |
1487 | const int reachable_flag = 1; |
1488 | struct commit_list *found_commits; | |
1489 | struct commit **src_commits; | |
1490 | int nr_src_commits = 0, alloc_src_commits = 16; | |
1491 | ALLOC_ARRAY(src_commits, alloc_src_commits); | |
1492 | ||
c2aba155 JH |
1493 | for_each_string_list_item(item, &src_tag) { |
1494 | struct ref *ref = item->util; | |
85daa01f DS |
1495 | struct commit *commit; |
1496 | ||
1497 | if (is_null_oid(&ref->new_oid)) | |
1498 | continue; | |
1499 | commit = lookup_commit_reference_gently(the_repository, | |
1500 | &ref->new_oid, | |
1501 | 1); | |
1502 | if (!commit) | |
1503 | /* not pushing a commit, which is not an error */ | |
1504 | continue; | |
1505 | ||
1506 | ALLOC_GROW(src_commits, nr_src_commits + 1, alloc_src_commits); | |
1507 | src_commits[nr_src_commits++] = commit; | |
1508 | } | |
1509 | ||
1510 | found_commits = get_reachable_subset(sent_tips.tip, sent_tips.nr, | |
1511 | src_commits, nr_src_commits, | |
1512 | reachable_flag); | |
1513 | ||
1514 | for_each_string_list_item(item, &src_tag) { | |
c2aba155 | 1515 | struct ref *dst_ref; |
85daa01f | 1516 | struct ref *ref = item->util; |
c2aba155 JH |
1517 | struct commit *commit; |
1518 | ||
f4e54d02 | 1519 | if (is_null_oid(&ref->new_oid)) |
c2aba155 | 1520 | continue; |
21e1ee8f SB |
1521 | commit = lookup_commit_reference_gently(the_repository, |
1522 | &ref->new_oid, | |
bc83266a | 1523 | 1); |
c2aba155 JH |
1524 | if (!commit) |
1525 | /* not pushing a commit, which is not an error */ | |
1526 | continue; | |
1527 | ||
1528 | /* | |
1529 | * Is this tag, which they do not have, reachable from | |
1530 | * any of the commits we are sending? | |
1531 | */ | |
85daa01f | 1532 | if (!(commit->object.flags & reachable_flag)) |
c2aba155 JH |
1533 | continue; |
1534 | ||
1535 | /* Add it in */ | |
1536 | dst_ref = make_linked_ref(ref->name, dst_tail); | |
f4e54d02 | 1537 | oidcpy(&dst_ref->new_oid, &ref->new_oid); |
c2aba155 JH |
1538 | dst_ref->peer_ref = copy_ref(ref); |
1539 | } | |
85daa01f DS |
1540 | |
1541 | clear_commit_marks_many(nr_src_commits, src_commits, reachable_flag); | |
1542 | free(src_commits); | |
1543 | free_commit_list(found_commits); | |
c2aba155 | 1544 | } |
85daa01f | 1545 | |
c2aba155 JH |
1546 | string_list_clear(&src_tag, 0); |
1547 | free(sent_tips.tip); | |
1548 | } | |
1549 | ||
47a59185 JH |
1550 | struct ref *find_ref_by_name(const struct ref *list, const char *name) |
1551 | { | |
1552 | for ( ; list; list = list->next) | |
1553 | if (!strcmp(list->name, name)) | |
1554 | return (struct ref *)list; | |
1555 | return NULL; | |
1556 | } | |
1557 | ||
f1bd15ab BC |
1558 | static void prepare_ref_index(struct string_list *ref_index, struct ref *ref) |
1559 | { | |
1560 | for ( ; ref; ref = ref->next) | |
1561 | string_list_append_nodup(ref_index, ref->name)->util = ref; | |
1562 | ||
3383e199 | 1563 | string_list_sort(ref_index); |
f1bd15ab BC |
1564 | } |
1565 | ||
ba928c13 JK |
1566 | /* |
1567 | * Given only the set of local refs, sanity-check the set of push | |
1568 | * refspecs. We can't catch all errors that match_push_refs would, | |
1569 | * but we can catch some errors early before even talking to the | |
1570 | * remote side. | |
1571 | */ | |
afb1aed4 | 1572 | int check_push_refs(struct ref *src, struct refspec *rs) |
ba928c13 | 1573 | { |
ba928c13 JK |
1574 | int ret = 0; |
1575 | int i; | |
1576 | ||
afb1aed4 BW |
1577 | for (i = 0; i < rs->nr; i++) { |
1578 | struct refspec_item *item = &rs->items[i]; | |
ba928c13 | 1579 | |
c0192df6 | 1580 | if (item->pattern || item->matching || item->negative) |
ba928c13 JK |
1581 | continue; |
1582 | ||
afb1aed4 | 1583 | ret |= match_explicit_lhs(src, item, NULL, NULL); |
ba928c13 JK |
1584 | } |
1585 | ||
ba928c13 JK |
1586 | return ret; |
1587 | } | |
1588 | ||
54a8ad92 | 1589 | /* |
29753cdd JH |
1590 | * Given the set of refs the local repository has, the set of refs the |
1591 | * remote repository has, and the refspec used for push, determine | |
1592 | * what remote refs we will update and with what value by setting | |
1593 | * peer_ref (which object is being pushed) and force (if the push is | |
1594 | * forced) in elements of "dst". The function may add new elements to | |
1595 | * dst (e.g. pushing to a new branch, done in match_explicit_refs). | |
54a8ad92 | 1596 | */ |
29753cdd | 1597 | int match_push_refs(struct ref *src, struct ref **dst, |
5c7ec846 | 1598 | struct refspec *rs, int flags) |
6b62816c | 1599 | { |
28b9d6e5 AW |
1600 | int send_all = flags & MATCH_REFS_ALL; |
1601 | int send_mirror = flags & MATCH_REFS_MIRROR; | |
6ddba5e2 | 1602 | int send_prune = flags & MATCH_REFS_PRUNE; |
5f48cb95 | 1603 | int errs; |
b1d8b1f3 | 1604 | struct ref *ref, **dst_tail = tail_ref(dst); |
f1bd15ab | 1605 | struct string_list dst_ref_index = STRING_LIST_INIT_NODUP; |
6b62816c | 1606 | |
5c7ec846 BW |
1607 | /* If no refspec is provided, use the default ":" */ |
1608 | if (!rs->nr) | |
1609 | refspec_append(rs, ":"); | |
1610 | ||
1611 | errs = match_explicit_refs(src, *dst, &dst_tail, rs); | |
6b62816c DB |
1612 | |
1613 | /* pick the remainder */ | |
b1d8b1f3 | 1614 | for (ref = src; ref; ref = ref->next) { |
f1bd15ab | 1615 | struct string_list_item *dst_item; |
6b62816c | 1616 | struct ref *dst_peer; |
0ad4a5ff | 1617 | const struct refspec_item *pat = NULL; |
6e66bf3c | 1618 | char *dst_name; |
db70a04c | 1619 | |
5c7ec846 | 1620 | dst_name = get_ref_match(rs, ref, send_mirror, FROM_SRC, &pat); |
db70a04c | 1621 | if (!dst_name) |
a83619d6 PB |
1622 | continue; |
1623 | ||
f1bd15ab BC |
1624 | if (!dst_ref_index.nr) |
1625 | prepare_ref_index(&dst_ref_index, *dst); | |
1626 | ||
1627 | dst_item = string_list_lookup(&dst_ref_index, dst_name); | |
1628 | dst_peer = dst_item ? dst_item->util : NULL; | |
a83619d6 PB |
1629 | if (dst_peer) { |
1630 | if (dst_peer->peer_ref) | |
1631 | /* We're already sending something to this ref. */ | |
1632 | goto free_name; | |
a83619d6 PB |
1633 | } else { |
1634 | if (pat->matching && !(send_all || send_mirror)) | |
1635 | /* | |
1636 | * Remote doesn't have it, and we have no | |
1637 | * explicit pattern, and we don't have | |
01689909 | 1638 | * --all or --mirror. |
a83619d6 PB |
1639 | */ |
1640 | goto free_name; | |
28b9d6e5 | 1641 | |
6b62816c | 1642 | /* Create a new one and link it */ |
6d2bf96e | 1643 | dst_peer = make_linked_ref(dst_name, &dst_tail); |
f4e54d02 | 1644 | oidcpy(&dst_peer->new_oid, &ref->new_oid); |
f1bd15ab BC |
1645 | string_list_insert(&dst_ref_index, |
1646 | dst_peer->name)->util = dst_peer; | |
6b62816c | 1647 | } |
b1d8b1f3 | 1648 | dst_peer->peer_ref = copy_ref(ref); |
a83619d6 | 1649 | dst_peer->force = pat->force; |
6e66bf3c AR |
1650 | free_name: |
1651 | free(dst_name); | |
6b62816c | 1652 | } |
c2aba155 | 1653 | |
f1bd15ab BC |
1654 | string_list_clear(&dst_ref_index, 0); |
1655 | ||
c2aba155 JH |
1656 | if (flags & MATCH_REFS_FOLLOW_TAGS) |
1657 | add_missing_tags(src, dst, &dst_tail); | |
1658 | ||
6ddba5e2 | 1659 | if (send_prune) { |
f1bd15ab | 1660 | struct string_list src_ref_index = STRING_LIST_INIT_NODUP; |
6ddba5e2 FC |
1661 | /* check for missing refs on the remote */ |
1662 | for (ref = *dst; ref; ref = ref->next) { | |
1663 | char *src_name; | |
1664 | ||
1665 | if (ref->peer_ref) | |
1666 | /* We're already sending something to this ref. */ | |
1667 | continue; | |
1668 | ||
5c7ec846 | 1669 | src_name = get_ref_match(rs, ref, send_mirror, FROM_DST, NULL); |
6ddba5e2 | 1670 | if (src_name) { |
f1bd15ab BC |
1671 | if (!src_ref_index.nr) |
1672 | prepare_ref_index(&src_ref_index, src); | |
1673 | if (!string_list_has_string(&src_ref_index, | |
1674 | src_name)) | |
6ddba5e2 FC |
1675 | ref->peer_ref = alloc_delete_ref(); |
1676 | free(src_name); | |
1677 | } | |
1678 | } | |
f1bd15ab | 1679 | string_list_clear(&src_ref_index, 0); |
6ddba5e2 | 1680 | } |
8ca69370 | 1681 | |
c0192df6 JK |
1682 | *dst = apply_negative_refspecs(*dst, rs); |
1683 | ||
5f48cb95 JS |
1684 | if (errs) |
1685 | return -1; | |
6b62816c DB |
1686 | return 0; |
1687 | } | |
cf818348 | 1688 | |
20e8b465 | 1689 | void set_ref_status_for_push(struct ref *remote_refs, int send_mirror, |
631b5ef2 | 1690 | int force_update) |
20e8b465 TRC |
1691 | { |
1692 | struct ref *ref; | |
1693 | ||
1694 | for (ref = remote_refs; ref; ref = ref->next) { | |
8c5f6f71 | 1695 | int force_ref_update = ref->force || force_update; |
631b5ef2 | 1696 | int reject_reason = 0; |
8c5f6f71 | 1697 | |
20e8b465 | 1698 | if (ref->peer_ref) |
f4e54d02 | 1699 | oidcpy(&ref->new_oid, &ref->peer_ref->new_oid); |
20e8b465 TRC |
1700 | else if (!send_mirror) |
1701 | continue; | |
1702 | ||
f4e54d02 | 1703 | ref->deletion = is_null_oid(&ref->new_oid); |
20e8b465 | 1704 | if (!ref->deletion && |
4a7e27e9 | 1705 | oideq(&ref->old_oid, &ref->new_oid)) { |
20e8b465 TRC |
1706 | ref->status = REF_STATUS_UPTODATE; |
1707 | continue; | |
1708 | } | |
1709 | ||
a272b289 | 1710 | /* |
b2e93f88 AW |
1711 | * If the remote ref has moved and is now different |
1712 | * from what we expect, reject any push. | |
631b5ef2 JH |
1713 | * |
1714 | * It also is an error if the user told us to check | |
1715 | * with the remote-tracking branch to find the value | |
1716 | * to expect, but we did not have such a tracking | |
1717 | * branch. | |
99a1f9ae SK |
1718 | * |
1719 | * If the tip of the remote-tracking ref is unreachable | |
1720 | * from any reflog entry of its local ref indicating a | |
1721 | * possible update since checkout; reject the push. | |
631b5ef2 JH |
1722 | */ |
1723 | if (ref->expect_old_sha1) { | |
9001dc2a | 1724 | if (!oideq(&ref->old_oid, &ref->old_oid_expect)) |
631b5ef2 | 1725 | reject_reason = REF_STATUS_REJECT_STALE; |
99a1f9ae SK |
1726 | else if (ref->check_reachable && ref->unreachable) |
1727 | reject_reason = | |
1728 | REF_STATUS_REJECT_REMOTE_UPDATED; | |
b2e93f88 | 1729 | else |
99a1f9ae SK |
1730 | /* |
1731 | * If the ref isn't stale, and is reachable | |
abcb66c6 | 1732 | * from one of the reflog entries of |
99a1f9ae SK |
1733 | * the local branch, force the update. |
1734 | */ | |
b2e93f88 | 1735 | force_ref_update = 1; |
631b5ef2 JH |
1736 | } |
1737 | ||
1738 | /* | |
b2e93f88 AW |
1739 | * If the update isn't already rejected then check |
1740 | * the usual "must fast-forward" rules. | |
631b5ef2 | 1741 | * |
256b9d70 JH |
1742 | * Decide whether an individual refspec A:B can be |
1743 | * pushed. The push will succeed if any of the | |
1744 | * following are true: | |
20e8b465 | 1745 | * |
a272b289 | 1746 | * (1) the remote reference B does not exist |
20e8b465 | 1747 | * |
a272b289 CR |
1748 | * (2) the remote reference B is being removed (i.e., |
1749 | * pushing :B where no source is specified) | |
20e8b465 | 1750 | * |
256b9d70 JH |
1751 | * (3) the destination is not under refs/tags/, and |
1752 | * if the old and new value is a commit, the new | |
1753 | * is a descendant of the old. | |
20e8b465 | 1754 | * |
a272b289 CR |
1755 | * (4) it is forced using the +A:B notation, or by |
1756 | * passing the --force argument | |
20e8b465 TRC |
1757 | */ |
1758 | ||
b2e93f88 | 1759 | if (!reject_reason && !ref->deletion && !is_null_oid(&ref->old_oid)) { |
59556548 | 1760 | if (starts_with(ref->name, "refs/tags/")) |
631b5ef2 | 1761 | reject_reason = REF_STATUS_REJECT_ALREADY_EXISTS; |
f4e54d02 | 1762 | else if (!has_object_file(&ref->old_oid)) |
631b5ef2 | 1763 | reject_reason = REF_STATUS_REJECT_FETCH_FIRST; |
21e1ee8f SB |
1764 | else if (!lookup_commit_reference_gently(the_repository, &ref->old_oid, 1) || |
1765 | !lookup_commit_reference_gently(the_repository, &ref->new_oid, 1)) | |
631b5ef2 | 1766 | reject_reason = REF_STATUS_REJECT_NEEDS_FORCE; |
6f3d57b6 | 1767 | else if (!ref_newer(&ref->new_oid, &ref->old_oid)) |
631b5ef2 | 1768 | reject_reason = REF_STATUS_REJECT_NONFASTFORWARD; |
20e8b465 | 1769 | } |
631b5ef2 JH |
1770 | |
1771 | /* | |
1772 | * "--force" will defeat any rejection implemented | |
1773 | * by the rules above. | |
1774 | */ | |
1775 | if (!force_ref_update) | |
1776 | ref->status = reject_reason; | |
1777 | else if (reject_reason) | |
1778 | ref->forced_update = 1; | |
20e8b465 TRC |
1779 | } |
1780 | } | |
1781 | ||
56eed342 | 1782 | static void set_merge(struct remote_state *remote_state, struct branch *ret) |
05e73682 | 1783 | { |
9e3751d4 | 1784 | struct remote *remote; |
05e73682 | 1785 | char *ref; |
fcd30b13 | 1786 | struct object_id oid; |
05e73682 JH |
1787 | int i; |
1788 | ||
ee2499fe JK |
1789 | if (!ret) |
1790 | return; /* no branch */ | |
1791 | if (ret->merge) | |
1792 | return; /* already run */ | |
1793 | if (!ret->remote_name || !ret->merge_nr) { | |
1794 | /* | |
1795 | * no merge config; let's make sure we don't confuse callers | |
1796 | * with a non-zero merge_nr but a NULL merge | |
1797 | */ | |
1798 | ret->merge_nr = 0; | |
1799 | return; | |
1800 | } | |
1801 | ||
56eed342 | 1802 | remote = remotes_remote_get(remote_state, ret->remote_name); |
9e3751d4 | 1803 | |
ca56dadb | 1804 | CALLOC_ARRAY(ret->merge, ret->merge_nr); |
05e73682 JH |
1805 | for (i = 0; i < ret->merge_nr; i++) { |
1806 | ret->merge[i] = xcalloc(1, sizeof(**ret->merge)); | |
1807 | ret->merge[i]->src = xstrdup(ret->merge_name[i]); | |
9e3751d4 | 1808 | if (!remote_find_tracking(remote, ret->merge[i]) || |
05e73682 JH |
1809 | strcmp(ret->remote_name, ".")) |
1810 | continue; | |
1811 | if (dwim_ref(ret->merge_name[i], strlen(ret->merge_name[i]), | |
f24c30e0 | 1812 | &oid, &ref, 0) == 1) |
05e73682 JH |
1813 | ret->merge[i]->dst = ref; |
1814 | else | |
1815 | ret->merge[i]->dst = xstrdup(ret->merge_name[i]); | |
1816 | } | |
1817 | } | |
1818 | ||
cf818348 DB |
1819 | struct branch *branch_get(const char *name) |
1820 | { | |
1821 | struct branch *ret; | |
1822 | ||
085b98f6 | 1823 | read_config(the_repository); |
cf818348 | 1824 | if (!name || !*name || !strcmp(name, "HEAD")) |
fd3cb050 | 1825 | ret = the_repository->remote_state->current_branch; |
cf818348 | 1826 | else |
085b98f6 GC |
1827 | ret = make_branch(the_repository->remote_state, name, |
1828 | strlen(name)); | |
56eed342 | 1829 | set_merge(the_repository->remote_state, ret); |
cf818348 DB |
1830 | return ret; |
1831 | } | |
1832 | ||
1833 | int branch_has_merge_config(struct branch *branch) | |
1834 | { | |
1835 | return branch && !!branch->merge; | |
1836 | } | |
1837 | ||
85682c19 SP |
1838 | int branch_merge_matches(struct branch *branch, |
1839 | int i, | |
1840 | const char *refname) | |
cf818348 | 1841 | { |
85682c19 | 1842 | if (!branch || i < 0 || i >= branch->merge_nr) |
cf818348 | 1843 | return 0; |
54457fe5 | 1844 | return refname_match(branch->merge[i]->src, refname); |
cf818348 | 1845 | } |
d71ab174 | 1846 | |
060e7766 | 1847 | __attribute__((format (printf,2,3))) |
3a429d0a JK |
1848 | static const char *error_buf(struct strbuf *err, const char *fmt, ...) |
1849 | { | |
1850 | if (err) { | |
1851 | va_list ap; | |
1852 | va_start(ap, fmt); | |
1853 | strbuf_vaddf(err, fmt, ap); | |
1854 | va_end(ap); | |
1855 | } | |
1856 | return NULL; | |
1857 | } | |
1858 | ||
1859 | const char *branch_get_upstream(struct branch *branch, struct strbuf *err) | |
1860 | { | |
1861 | if (!branch) | |
1862 | return error_buf(err, _("HEAD does not point to a branch")); | |
1ca41a19 JK |
1863 | |
1864 | if (!branch->merge || !branch->merge[0]) { | |
1865 | /* | |
1866 | * no merge config; is it because the user didn't define any, | |
1867 | * or because it is not a real branch, and get_branch | |
1868 | * auto-vivified it? | |
1869 | */ | |
3a429d0a JK |
1870 | if (!ref_exists(branch->refname)) |
1871 | return error_buf(err, _("no such branch: '%s'"), | |
1872 | branch->name); | |
1ca41a19 JK |
1873 | return error_buf(err, |
1874 | _("no upstream configured for branch '%s'"), | |
1875 | branch->name); | |
1876 | } | |
1877 | ||
1878 | if (!branch->merge[0]->dst) | |
3a429d0a JK |
1879 | return error_buf(err, |
1880 | _("upstream branch '%s' not stored as a remote-tracking branch"), | |
1881 | branch->merge[0]->src); | |
3a429d0a | 1882 | |
a9f9f8cc JK |
1883 | return branch->merge[0]->dst; |
1884 | } | |
1885 | ||
e291c75a JK |
1886 | static const char *tracking_for_push_dest(struct remote *remote, |
1887 | const char *refname, | |
1888 | struct strbuf *err) | |
1889 | { | |
1890 | char *ret; | |
1891 | ||
d000414e | 1892 | ret = apply_refspecs(&remote->fetch, refname); |
e291c75a JK |
1893 | if (!ret) |
1894 | return error_buf(err, | |
1895 | _("push destination '%s' on remote '%s' has no local tracking branch"), | |
1896 | refname, remote->name); | |
1897 | return ret; | |
1898 | } | |
1899 | ||
56eed342 GC |
1900 | static const char *branch_get_push_1(struct remote_state *remote_state, |
1901 | struct branch *branch, struct strbuf *err) | |
e291c75a JK |
1902 | { |
1903 | struct remote *remote; | |
1904 | ||
56eed342 GC |
1905 | remote = remotes_remote_get( |
1906 | remote_state, | |
1907 | remotes_pushremote_for_branch(remote_state, branch, NULL)); | |
e291c75a JK |
1908 | if (!remote) |
1909 | return error_buf(err, | |
1910 | _("branch '%s' has no remote for pushing"), | |
1911 | branch->name); | |
1912 | ||
6bdb304b | 1913 | if (remote->push.nr) { |
e291c75a JK |
1914 | char *dst; |
1915 | const char *ret; | |
1916 | ||
d000414e | 1917 | dst = apply_refspecs(&remote->push, branch->refname); |
e291c75a JK |
1918 | if (!dst) |
1919 | return error_buf(err, | |
1920 | _("push refspecs for '%s' do not include '%s'"), | |
1921 | remote->name, branch->name); | |
1922 | ||
1923 | ret = tracking_for_push_dest(remote, dst, err); | |
1924 | free(dst); | |
1925 | return ret; | |
1926 | } | |
1927 | ||
1928 | if (remote->mirror) | |
1929 | return tracking_for_push_dest(remote, branch->refname, err); | |
1930 | ||
1931 | switch (push_default) { | |
1932 | case PUSH_DEFAULT_NOTHING: | |
1933 | return error_buf(err, _("push has no destination (push.default is 'nothing')")); | |
1934 | ||
1935 | case PUSH_DEFAULT_MATCHING: | |
1936 | case PUSH_DEFAULT_CURRENT: | |
1937 | return tracking_for_push_dest(remote, branch->refname, err); | |
1938 | ||
1939 | case PUSH_DEFAULT_UPSTREAM: | |
1940 | return branch_get_upstream(branch, err); | |
1941 | ||
1942 | case PUSH_DEFAULT_UNSPECIFIED: | |
1943 | case PUSH_DEFAULT_SIMPLE: | |
1944 | { | |
1945 | const char *up, *cur; | |
1946 | ||
1947 | up = branch_get_upstream(branch, err); | |
1948 | if (!up) | |
1949 | return NULL; | |
1950 | cur = tracking_for_push_dest(remote, branch->refname, err); | |
1951 | if (!cur) | |
1952 | return NULL; | |
1953 | if (strcmp(cur, up)) | |
1954 | return error_buf(err, | |
1955 | _("cannot resolve 'simple' push to a single destination")); | |
1956 | return cur; | |
1957 | } | |
1958 | } | |
1959 | ||
033abf97 | 1960 | BUG("unhandled push situation"); |
e291c75a JK |
1961 | } |
1962 | ||
1963 | const char *branch_get_push(struct branch *branch, struct strbuf *err) | |
1964 | { | |
56eed342 | 1965 | read_config(the_repository); |
4a2dcb1a GC |
1966 | die_on_missing_branch(the_repository, branch); |
1967 | ||
b10731f4 KM |
1968 | if (!branch) |
1969 | return error_buf(err, _("HEAD does not point to a branch")); | |
1970 | ||
e291c75a | 1971 | if (!branch->push_tracking_ref) |
56eed342 GC |
1972 | branch->push_tracking_ref = branch_get_push_1( |
1973 | the_repository->remote_state, branch, err); | |
e291c75a JK |
1974 | return branch->push_tracking_ref; |
1975 | } | |
1976 | ||
1553f5e7 | 1977 | static int ignore_symref_update(const char *refname, struct strbuf *scratch) |
f8fb971e | 1978 | { |
1553f5e7 | 1979 | return !refs_read_symbolic_ref(get_main_ref_store(the_repository), refname, scratch); |
f8fb971e JH |
1980 | } |
1981 | ||
f166db26 MH |
1982 | /* |
1983 | * Create and return a list of (struct ref) consisting of copies of | |
1984 | * each remote_ref that matches refspec. refspec must be a pattern. | |
1985 | * Fill in the copies' peer_ref to describe the local tracking refs to | |
1986 | * which they map. Omit any references that would map to an existing | |
1987 | * local symbolic ref. | |
1988 | */ | |
4577370e | 1989 | static struct ref *get_expanded_map(const struct ref *remote_refs, |
0ad4a5ff | 1990 | const struct refspec_item *refspec) |
d71ab174 | 1991 | { |
1553f5e7 | 1992 | struct strbuf scratch = STRBUF_INIT; |
4577370e | 1993 | const struct ref *ref; |
d71ab174 DB |
1994 | struct ref *ret = NULL; |
1995 | struct ref **tail = &ret; | |
1996 | ||
d71ab174 | 1997 | for (ref = remote_refs; ref; ref = ref->next) { |
e31a17f7 MH |
1998 | char *expn_name = NULL; |
1999 | ||
1553f5e7 PS |
2000 | strbuf_reset(&scratch); |
2001 | ||
d71ab174 DB |
2002 | if (strchr(ref->name, '^')) |
2003 | continue; /* a dereference item */ | |
e928213f | 2004 | if (match_name_with_pattern(refspec->src, ref->name, |
f8fb971e | 2005 | refspec->dst, &expn_name) && |
1553f5e7 | 2006 | !ignore_symref_update(expn_name, &scratch)) { |
d71ab174 | 2007 | struct ref *cpy = copy_ref(ref); |
d71ab174 | 2008 | |
e928213f | 2009 | cpy->peer_ref = alloc_ref(expn_name); |
d71ab174 DB |
2010 | if (refspec->force) |
2011 | cpy->peer_ref->force = 1; | |
2012 | *tail = cpy; | |
2013 | tail = &cpy->next; | |
2014 | } | |
e31a17f7 | 2015 | free(expn_name); |
d71ab174 DB |
2016 | } |
2017 | ||
1553f5e7 | 2018 | strbuf_release(&scratch); |
d71ab174 DB |
2019 | return ret; |
2020 | } | |
2021 | ||
4577370e | 2022 | static const struct ref *find_ref_by_name_abbrev(const struct ref *refs, const char *name) |
d71ab174 | 2023 | { |
4577370e | 2024 | const struct ref *ref; |
60650a48 JH |
2025 | const struct ref *best_match = NULL; |
2026 | int best_score = 0; | |
2027 | ||
d71ab174 | 2028 | for (ref = refs; ref; ref = ref->next) { |
60650a48 JH |
2029 | int score = refname_match(name, ref->name); |
2030 | ||
2031 | if (best_score < score) { | |
2032 | best_match = ref; | |
2033 | best_score = score; | |
2034 | } | |
d71ab174 | 2035 | } |
60650a48 | 2036 | return best_match; |
d71ab174 DB |
2037 | } |
2038 | ||
4577370e | 2039 | struct ref *get_remote_ref(const struct ref *remote_refs, const char *name) |
d71ab174 | 2040 | { |
4577370e | 2041 | const struct ref *ref = find_ref_by_name_abbrev(remote_refs, name); |
d71ab174 DB |
2042 | |
2043 | if (!ref) | |
9ad7c5ae | 2044 | return NULL; |
d71ab174 DB |
2045 | |
2046 | return copy_ref(ref); | |
2047 | } | |
2048 | ||
2049 | static struct ref *get_local_ref(const char *name) | |
2050 | { | |
3eb96997 | 2051 | if (!name || name[0] == '\0') |
d71ab174 DB |
2052 | return NULL; |
2053 | ||
59556548 | 2054 | if (starts_with(name, "refs/")) |
59c69c0c | 2055 | return alloc_ref(name); |
d71ab174 | 2056 | |
59556548 CC |
2057 | if (starts_with(name, "heads/") || |
2058 | starts_with(name, "tags/") || | |
2059 | starts_with(name, "remotes/")) | |
8009768e | 2060 | return alloc_ref_with_prefix("refs/", 5, name); |
d71ab174 | 2061 | |
8009768e | 2062 | return alloc_ref_with_prefix("refs/heads/", 11, name); |
d71ab174 DB |
2063 | } |
2064 | ||
4577370e | 2065 | int get_fetch_map(const struct ref *remote_refs, |
0ad4a5ff | 2066 | const struct refspec_item *refspec, |
9ad7c5ae JH |
2067 | struct ref ***tail, |
2068 | int missing_ok) | |
d71ab174 | 2069 | { |
ef00d150 | 2070 | struct ref *ref_map, **rmp; |
d71ab174 | 2071 | |
c0192df6 JK |
2072 | if (refspec->negative) |
2073 | return 0; | |
2074 | ||
d71ab174 DB |
2075 | if (refspec->pattern) { |
2076 | ref_map = get_expanded_map(remote_refs, refspec); | |
2077 | } else { | |
9ad7c5ae JH |
2078 | const char *name = refspec->src[0] ? refspec->src : "HEAD"; |
2079 | ||
6e7b66ee JH |
2080 | if (refspec->exact_sha1) { |
2081 | ref_map = alloc_ref(name); | |
f4e54d02 | 2082 | get_oid_hex(name, &ref_map->old_oid); |
73302051 | 2083 | ref_map->exact_oid = 1; |
6e7b66ee JH |
2084 | } else { |
2085 | ref_map = get_remote_ref(remote_refs, name); | |
2086 | } | |
9ad7c5ae | 2087 | if (!missing_ok && !ref_map) |
0b9c3afd | 2088 | die(_("couldn't find remote ref %s"), name); |
9ad7c5ae JH |
2089 | if (ref_map) { |
2090 | ref_map->peer_ref = get_local_ref(refspec->dst); | |
2091 | if (ref_map->peer_ref && refspec->force) | |
2092 | ref_map->peer_ref->force = 1; | |
2093 | } | |
d71ab174 DB |
2094 | } |
2095 | ||
ef00d150 DB |
2096 | for (rmp = &ref_map; *rmp; ) { |
2097 | if ((*rmp)->peer_ref) { | |
59556548 | 2098 | if (!starts_with((*rmp)->peer_ref->name, "refs/") || |
5c08c1f2 | 2099 | check_refname_format((*rmp)->peer_ref->name, 0)) { |
ef00d150 | 2100 | struct ref *ignore = *rmp; |
0b9c3afd | 2101 | error(_("* Ignoring funny ref '%s' locally"), |
ef00d150 DB |
2102 | (*rmp)->peer_ref->name); |
2103 | *rmp = (*rmp)->next; | |
2104 | free(ignore->peer_ref); | |
2105 | free(ignore); | |
2106 | continue; | |
2107 | } | |
2108 | } | |
2109 | rmp = &((*rmp)->next); | |
d71ab174 DB |
2110 | } |
2111 | ||
8f70a765 AR |
2112 | if (ref_map) |
2113 | tail_link_ref(ref_map, tail); | |
d71ab174 DB |
2114 | |
2115 | return 0; | |
2116 | } | |
be885d96 DB |
2117 | |
2118 | int resolve_remote_symref(struct ref *ref, struct ref *list) | |
2119 | { | |
2120 | if (!ref->symref) | |
2121 | return 0; | |
2122 | for (; list; list = list->next) | |
2123 | if (!strcmp(ref->symref, list->name)) { | |
f4e54d02 | 2124 | oidcpy(&ref->old_oid, &list->old_oid); |
be885d96 DB |
2125 | return 0; |
2126 | } | |
2127 | return 1; | |
2128 | } | |
6d21bf96 JH |
2129 | |
2130 | /* | |
c646d093 | 2131 | * Compute the commit ahead/behind values for the pair branch_name, base. |
d7d1b496 JH |
2132 | * |
2133 | * If abf is AHEAD_BEHIND_FULL, compute the full ahead/behind and return the | |
2134 | * counts in *num_ours and *num_theirs. If abf is AHEAD_BEHIND_QUICK, skip | |
2135 | * the (potentially expensive) a/b computation (*num_ours and *num_theirs are | |
2136 | * set to zero). | |
2137 | * | |
c646d093 DR |
2138 | * Returns -1 if num_ours and num_theirs could not be filled in (e.g., ref |
2139 | * does not exist). Returns 0 if the commits are identical. Returns 1 if | |
2140 | * commits are different. | |
6d21bf96 | 2141 | */ |
c646d093 DR |
2142 | |
2143 | static int stat_branch_pair(const char *branch_name, const char *base, | |
2144 | int *num_ours, int *num_theirs, | |
2145 | enum ahead_behind_flags abf) | |
6d21bf96 | 2146 | { |
fcd30b13 | 2147 | struct object_id oid; |
6d21bf96 | 2148 | struct commit *ours, *theirs; |
6d21bf96 | 2149 | struct rev_info revs; |
f92dbdbc ÆAB |
2150 | struct setup_revision_opt opt = { |
2151 | .free_removed_argv_elements = 1, | |
2152 | }; | |
c972bf4c | 2153 | struct strvec argv = STRVEC_INIT; |
6d21bf96 | 2154 | |
f2e08739 | 2155 | /* Cannot stat if what we used to build on no longer exists */ |
34c290a6 | 2156 | if (read_ref(base, &oid)) |
f2e08739 | 2157 | return -1; |
2122f675 | 2158 | theirs = lookup_commit_reference(the_repository, &oid); |
6d21bf96 | 2159 | if (!theirs) |
f2e08739 | 2160 | return -1; |
6d21bf96 | 2161 | |
c646d093 | 2162 | if (read_ref(branch_name, &oid)) |
f2e08739 | 2163 | return -1; |
2122f675 | 2164 | ours = lookup_commit_reference(the_repository, &oid); |
6d21bf96 | 2165 | if (!ours) |
f2e08739 | 2166 | return -1; |
6d21bf96 | 2167 | |
d7d1b496 JH |
2168 | *num_theirs = *num_ours = 0; |
2169 | ||
6d21bf96 | 2170 | /* are we the same? */ |
d7d1b496 | 2171 | if (theirs == ours) |
979cb245 | 2172 | return 0; |
d7d1b496 JH |
2173 | if (abf == AHEAD_BEHIND_QUICK) |
2174 | return 1; | |
fd9b544a | 2175 | if (abf != AHEAD_BEHIND_FULL) |
c646d093 | 2176 | BUG("stat_branch_pair: invalid abf '%d'", abf); |
6d21bf96 | 2177 | |
8fbf879e | 2178 | /* Run "rev-list --left-right ours...theirs" internally... */ |
c972bf4c JK |
2179 | strvec_push(&argv, ""); /* ignored */ |
2180 | strvec_push(&argv, "--left-right"); | |
2181 | strvec_pushf(&argv, "%s...%s", | |
f6d8942b JK |
2182 | oid_to_hex(&ours->object.oid), |
2183 | oid_to_hex(&theirs->object.oid)); | |
c972bf4c | 2184 | strvec_push(&argv, "--"); |
6d21bf96 | 2185 | |
2abf3503 | 2186 | repo_init_revisions(the_repository, &revs, NULL); |
f92dbdbc | 2187 | setup_revisions(argv.nr, argv.v, &revs, &opt); |
81c3ce3c | 2188 | if (prepare_revision_walk(&revs)) |
0b9c3afd | 2189 | die(_("revision walk setup failed")); |
6d21bf96 JH |
2190 | |
2191 | /* ... and count the commits on each side. */ | |
6d21bf96 JH |
2192 | while (1) { |
2193 | struct commit *c = get_revision(&revs); | |
2194 | if (!c) | |
2195 | break; | |
2196 | if (c->object.flags & SYMMETRIC_LEFT) | |
2197 | (*num_ours)++; | |
2198 | else | |
2199 | (*num_theirs)++; | |
2200 | } | |
c0234b2e JH |
2201 | |
2202 | /* clear object flags smudged by the above traversal */ | |
2203 | clear_commit_marks(ours, ALL_REV_FLAGS); | |
2204 | clear_commit_marks(theirs, ALL_REV_FLAGS); | |
0b282cc4 | 2205 | |
c972bf4c | 2206 | strvec_clear(&argv); |
2108fe4a | 2207 | release_revisions(&revs); |
d7d1b496 | 2208 | return 1; |
6d21bf96 JH |
2209 | } |
2210 | ||
c646d093 DR |
2211 | /* |
2212 | * Lookup the tracking branch for the given branch and if present, optionally | |
2213 | * compute the commit ahead/behind values for the pair. | |
2214 | * | |
2215 | * If for_push is true, the tracking branch refers to the push branch, | |
2216 | * otherwise it refers to the upstream branch. | |
2217 | * | |
2218 | * The name of the tracking branch (or NULL if it is not defined) is | |
2219 | * returned via *tracking_name, if it is not itself NULL. | |
2220 | * | |
2221 | * If abf is AHEAD_BEHIND_FULL, compute the full ahead/behind and return the | |
2222 | * counts in *num_ours and *num_theirs. If abf is AHEAD_BEHIND_QUICK, skip | |
2223 | * the (potentially expensive) a/b computation (*num_ours and *num_theirs are | |
2224 | * set to zero). | |
2225 | * | |
2226 | * Returns -1 if num_ours and num_theirs could not be filled in (e.g., no | |
2227 | * upstream defined, or ref does not exist). Returns 0 if the commits are | |
2228 | * identical. Returns 1 if commits are different. | |
2229 | */ | |
2230 | int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs, | |
2231 | const char **tracking_name, int for_push, | |
2232 | enum ahead_behind_flags abf) | |
2233 | { | |
2234 | const char *base; | |
2235 | ||
2236 | /* Cannot stat unless we are marked to build on top of somebody else. */ | |
2237 | base = for_push ? branch_get_push(branch, NULL) : | |
2238 | branch_get_upstream(branch, NULL); | |
2239 | if (tracking_name) | |
2240 | *tracking_name = base; | |
2241 | if (!base) | |
2242 | return -1; | |
2243 | ||
2244 | return stat_branch_pair(branch->refname, base, num_ours, num_theirs, abf); | |
2245 | } | |
2246 | ||
6d21bf96 JH |
2247 | /* |
2248 | * Return true when there is anything to report, otherwise false. | |
2249 | */ | |
f39a757d JH |
2250 | int format_tracking_info(struct branch *branch, struct strbuf *sb, |
2251 | enum ahead_behind_flags abf) | |
6d21bf96 | 2252 | { |
f39a757d | 2253 | int ours, theirs, sti; |
979cb245 | 2254 | const char *full_base; |
2f50babe | 2255 | char *base; |
f2e08739 | 2256 | int upstream_is_gone = 0; |
6d21bf96 | 2257 | |
c646d093 | 2258 | sti = stat_tracking_info(branch, &ours, &theirs, &full_base, 0, abf); |
f39a757d | 2259 | if (sti < 0) { |
979cb245 JK |
2260 | if (!full_base) |
2261 | return 0; | |
f2e08739 | 2262 | upstream_is_gone = 1; |
f2e08739 | 2263 | } |
6d21bf96 | 2264 | |
979cb245 | 2265 | base = shorten_unambiguous_ref(full_base, 0); |
f2e08739 JX |
2266 | if (upstream_is_gone) { |
2267 | strbuf_addf(sb, | |
2268 | _("Your branch is based on '%s', but the upstream is gone.\n"), | |
2269 | base); | |
ed9bff08 | 2270 | if (advice_enabled(ADVICE_STATUS_HINTS)) |
a22ae753 | 2271 | strbuf_addstr(sb, |
f2e08739 | 2272 | _(" (use \"git branch --unset-upstream\" to fixup)\n")); |
f39a757d | 2273 | } else if (!sti) { |
f223459b | 2274 | strbuf_addf(sb, |
7560f547 | 2275 | _("Your branch is up to date with '%s'.\n"), |
f223459b | 2276 | base); |
f39a757d JH |
2277 | } else if (abf == AHEAD_BEHIND_QUICK) { |
2278 | strbuf_addf(sb, | |
2279 | _("Your branch and '%s' refer to different commits.\n"), | |
2280 | base); | |
ed9bff08 | 2281 | if (advice_enabled(ADVICE_STATUS_HINTS)) |
f39a757d JH |
2282 | strbuf_addf(sb, _(" (use \"%s\" for details)\n"), |
2283 | "git status --ahead-behind"); | |
f2e08739 | 2284 | } else if (!theirs) { |
8a5b7494 JX |
2285 | strbuf_addf(sb, |
2286 | Q_("Your branch is ahead of '%s' by %d commit.\n", | |
2287 | "Your branch is ahead of '%s' by %d commits.\n", | |
f2e08739 JX |
2288 | ours), |
2289 | base, ours); | |
ed9bff08 | 2290 | if (advice_enabled(ADVICE_STATUS_HINTS)) |
a22ae753 | 2291 | strbuf_addstr(sb, |
491e3075 | 2292 | _(" (use \"git push\" to publish your local commits)\n")); |
f2e08739 | 2293 | } else if (!ours) { |
8a5b7494 JX |
2294 | strbuf_addf(sb, |
2295 | Q_("Your branch is behind '%s' by %d commit, " | |
2296 | "and can be fast-forwarded.\n", | |
2297 | "Your branch is behind '%s' by %d commits, " | |
2298 | "and can be fast-forwarded.\n", | |
f2e08739 JX |
2299 | theirs), |
2300 | base, theirs); | |
ed9bff08 | 2301 | if (advice_enabled(ADVICE_STATUS_HINTS)) |
a22ae753 | 2302 | strbuf_addstr(sb, |
491e3075 | 2303 | _(" (use \"git pull\" to update your local branch)\n")); |
c190ced6 | 2304 | } else { |
8a5b7494 JX |
2305 | strbuf_addf(sb, |
2306 | Q_("Your branch and '%s' have diverged,\n" | |
2307 | "and have %d and %d different commit each, " | |
2308 | "respectively.\n", | |
2309 | "Your branch and '%s' have diverged,\n" | |
2310 | "and have %d and %d different commits each, " | |
2311 | "respectively.\n", | |
f54bea44 | 2312 | ours + theirs), |
f2e08739 | 2313 | base, ours, theirs); |
ed9bff08 | 2314 | if (advice_enabled(ADVICE_STATUS_HINTS)) |
a22ae753 | 2315 | strbuf_addstr(sb, |
491e3075 | 2316 | _(" (use \"git pull\" to merge the remote branch into yours)\n")); |
c190ced6 | 2317 | } |
2f50babe | 2318 | free(base); |
6d21bf96 JH |
2319 | return 1; |
2320 | } | |
454e2025 | 2321 | |
455ade65 | 2322 | static int one_local_ref(const char *refname, const struct object_id *oid, |
5cf88fd8 | 2323 | int flag UNUSED, |
63e14ee2 | 2324 | void *cb_data) |
454e2025 JS |
2325 | { |
2326 | struct ref ***local_tail = cb_data; | |
2327 | struct ref *ref; | |
454e2025 JS |
2328 | |
2329 | /* we already know it starts with refs/ to get here */ | |
8d9c5010 | 2330 | if (check_refname_format(refname + 5, 0)) |
454e2025 JS |
2331 | return 0; |
2332 | ||
96ffc06f | 2333 | ref = alloc_ref(refname); |
f4e54d02 | 2334 | oidcpy(&ref->new_oid, oid); |
454e2025 JS |
2335 | **local_tail = ref; |
2336 | *local_tail = &ref->next; | |
2337 | return 0; | |
2338 | } | |
2339 | ||
2340 | struct ref *get_local_heads(void) | |
2341 | { | |
55f0566f | 2342 | struct ref *local_refs = NULL, **local_tail = &local_refs; |
2b2a5be3 | 2343 | |
454e2025 JS |
2344 | for_each_ref(one_local_ref, &local_tail); |
2345 | return local_refs; | |
2346 | } | |
8ef51733 | 2347 | |
4229f1fa JS |
2348 | struct ref *guess_remote_head(const struct ref *head, |
2349 | const struct ref *refs, | |
2350 | int all) | |
8ef51733 | 2351 | { |
8ef51733 | 2352 | const struct ref *r; |
4229f1fa JS |
2353 | struct ref *list = NULL; |
2354 | struct ref **tail = &list; | |
8ef51733 | 2355 | |
6cb4e6cc | 2356 | if (!head) |
8ef51733 JS |
2357 | return NULL; |
2358 | ||
fbb074c2 JK |
2359 | /* |
2360 | * Some transports support directly peeking at | |
2361 | * where HEAD points; if that is the case, then | |
2362 | * we don't have to guess. | |
2363 | */ | |
2364 | if (head->symref) | |
2365 | return copy_ref(find_ref_by_name(refs, head->symref)); | |
2366 | ||
a471214b | 2367 | /* If a remote branch exists with the default branch name, let's use it. */ |
4229f1fa | 2368 | if (!all) { |
cc0f13c5 JS |
2369 | char *ref = xstrfmt("refs/heads/%s", |
2370 | git_default_branch_name(0)); | |
a471214b JS |
2371 | |
2372 | r = find_ref_by_name(refs, ref); | |
2373 | free(ref); | |
2374 | if (r && oideq(&r->old_oid, &head->old_oid)) | |
2375 | return copy_ref(r); | |
2376 | ||
2377 | /* Fall back to the hard-coded historical default */ | |
4229f1fa | 2378 | r = find_ref_by_name(refs, "refs/heads/master"); |
4a7e27e9 | 2379 | if (r && oideq(&r->old_oid, &head->old_oid)) |
4229f1fa JS |
2380 | return copy_ref(r); |
2381 | } | |
8ef51733 JS |
2382 | |
2383 | /* Look for another ref that points there */ | |
4229f1fa | 2384 | for (r = refs; r; r = r->next) { |
61adfd30 | 2385 | if (r != head && |
59556548 | 2386 | starts_with(r->name, "refs/heads/") && |
4a7e27e9 | 2387 | oideq(&r->old_oid, &head->old_oid)) { |
4229f1fa JS |
2388 | *tail = copy_ref(r); |
2389 | tail = &((*tail)->next); | |
2390 | if (!all) | |
2391 | break; | |
2392 | } | |
2393 | } | |
8ef51733 | 2394 | |
4229f1fa | 2395 | return list; |
8ef51733 | 2396 | } |
f2ef6075 JS |
2397 | |
2398 | struct stale_heads_info { | |
f2ef6075 JS |
2399 | struct string_list *ref_names; |
2400 | struct ref **stale_refs_tail; | |
a2ac50cb | 2401 | struct refspec *rs; |
f2ef6075 JS |
2402 | }; |
2403 | ||
455ade65 MH |
2404 | static int get_stale_heads_cb(const char *refname, const struct object_id *oid, |
2405 | int flags, void *cb_data) | |
f2ef6075 JS |
2406 | { |
2407 | struct stale_heads_info *info = cb_data; | |
e6f63712 | 2408 | struct string_list matches = STRING_LIST_INIT_DUP; |
0ad4a5ff | 2409 | struct refspec_item query; |
e6f63712 | 2410 | int i, stale = 1; |
0ad4a5ff | 2411 | memset(&query, 0, sizeof(struct refspec_item)); |
ed43de6e CMN |
2412 | query.dst = (char *)refname; |
2413 | ||
a2ac50cb | 2414 | query_refspecs_multiple(info->rs, &query, &matches); |
e6f63712 CMN |
2415 | if (matches.nr == 0) |
2416 | goto clean_exit; /* No matches */ | |
ed43de6e CMN |
2417 | |
2418 | /* | |
2419 | * If we did find a suitable refspec and it's not a symref and | |
2420 | * it's not in the list of refs that currently exist in that | |
e6f63712 CMN |
2421 | * remote, we consider it to be stale. In order to deal with |
2422 | * overlapping refspecs, we need to go over all of the | |
2423 | * matching refs. | |
ed43de6e | 2424 | */ |
e6f63712 CMN |
2425 | if (flags & REF_ISSYMREF) |
2426 | goto clean_exit; | |
2427 | ||
2428 | for (i = 0; stale && i < matches.nr; i++) | |
2429 | if (string_list_has_string(info->ref_names, matches.items[i].string)) | |
2430 | stale = 0; | |
2431 | ||
2432 | if (stale) { | |
ed43de6e | 2433 | struct ref *ref = make_linked_ref(refname, &info->stale_refs_tail); |
f4e54d02 | 2434 | oidcpy(&ref->new_oid, oid); |
f2ef6075 | 2435 | } |
ed43de6e | 2436 | |
e6f63712 CMN |
2437 | clean_exit: |
2438 | string_list_clear(&matches, 0); | |
f2ef6075 JS |
2439 | return 0; |
2440 | } | |
2441 | ||
a2ac50cb | 2442 | struct ref *get_stale_heads(struct refspec *rs, struct ref *fetch_map) |
f2ef6075 JS |
2443 | { |
2444 | struct ref *ref, *stale_refs = NULL; | |
183113a5 | 2445 | struct string_list ref_names = STRING_LIST_INIT_NODUP; |
f2ef6075 | 2446 | struct stale_heads_info info; |
2b2a5be3 | 2447 | |
f2ef6075 JS |
2448 | info.ref_names = &ref_names; |
2449 | info.stale_refs_tail = &stale_refs; | |
a2ac50cb | 2450 | info.rs = rs; |
f2ef6075 | 2451 | for (ref = fetch_map; ref; ref = ref->next) |
1d2f80fa | 2452 | string_list_append(&ref_names, ref->name); |
3383e199 | 2453 | string_list_sort(&ref_names); |
f2ef6075 JS |
2454 | for_each_ref(get_stale_heads_cb, &info); |
2455 | string_list_clear(&ref_names, 0); | |
2456 | return stale_refs; | |
2457 | } | |
28f5d176 JH |
2458 | |
2459 | /* | |
2460 | * Compare-and-swap | |
2461 | */ | |
a355b11d | 2462 | static void clear_cas_option(struct push_cas_option *cas) |
28f5d176 JH |
2463 | { |
2464 | int i; | |
2465 | ||
2466 | for (i = 0; i < cas->nr; i++) | |
2467 | free(cas->entry[i].refname); | |
2468 | free(cas->entry); | |
2469 | memset(cas, 0, sizeof(*cas)); | |
2470 | } | |
2471 | ||
2472 | static struct push_cas *add_cas_entry(struct push_cas_option *cas, | |
2473 | const char *refname, | |
2474 | size_t refnamelen) | |
2475 | { | |
2476 | struct push_cas *entry; | |
2477 | ALLOC_GROW(cas->entry, cas->nr + 1, cas->alloc); | |
2478 | entry = &cas->entry[cas->nr++]; | |
2479 | memset(entry, 0, sizeof(*entry)); | |
2480 | entry->refname = xmemdupz(refname, refnamelen); | |
2481 | return entry; | |
2482 | } | |
2483 | ||
8668976b | 2484 | static int parse_push_cas_option(struct push_cas_option *cas, const char *arg, int unset) |
28f5d176 JH |
2485 | { |
2486 | const char *colon; | |
2487 | struct push_cas *entry; | |
2488 | ||
2489 | if (unset) { | |
2490 | /* "--no-<option>" */ | |
2491 | clear_cas_option(cas); | |
2492 | return 0; | |
2493 | } | |
2494 | ||
2495 | if (!arg) { | |
2496 | /* just "--<option>" */ | |
2497 | cas->use_tracking_for_rest = 1; | |
2498 | return 0; | |
2499 | } | |
2500 | ||
2501 | /* "--<option>=refname" or "--<option>=refname:value" */ | |
2502 | colon = strchrnul(arg, ':'); | |
2503 | entry = add_cas_entry(cas, arg, colon - arg); | |
2504 | if (!*colon) | |
2505 | entry->use_tracking = 1; | |
eee98e74 | 2506 | else if (!colon[1]) |
b8566f8f | 2507 | oidclr(&entry->expect); |
2508 | else if (get_oid(colon + 1, &entry->expect)) | |
0b9c3afd NTND |
2509 | return error(_("cannot parse expected object name '%s'"), |
2510 | colon + 1); | |
28f5d176 JH |
2511 | return 0; |
2512 | } | |
2513 | ||
2514 | int parseopt_push_cas_option(const struct option *opt, const char *arg, int unset) | |
2515 | { | |
2516 | return parse_push_cas_option(opt->value, arg, unset); | |
2517 | } | |
91048a95 JH |
2518 | |
2519 | int is_empty_cas(const struct push_cas_option *cas) | |
2520 | { | |
2521 | return !cas->use_tracking_for_rest && !cas->nr; | |
2522 | } | |
2523 | ||
2524 | /* | |
2525 | * Look at remote.fetch refspec and see if we have a remote | |
99a1f9ae SK |
2526 | * tracking branch for the refname there. Fill the name of |
2527 | * the remote-tracking branch in *dst_refname, and the name | |
2528 | * of the commit object at its tip in oid[]. | |
91048a95 JH |
2529 | * If we cannot do so, return negative to signal an error. |
2530 | */ | |
2531 | static int remote_tracking(struct remote *remote, const char *refname, | |
99a1f9ae | 2532 | struct object_id *oid, char **dst_refname) |
91048a95 JH |
2533 | { |
2534 | char *dst; | |
2535 | ||
d000414e | 2536 | dst = apply_refspecs(&remote->fetch, refname); |
91048a95 JH |
2537 | if (!dst) |
2538 | return -1; /* no tracking ref for refname at remote */ | |
34c290a6 | 2539 | if (read_ref(dst, oid)) |
91048a95 | 2540 | return -1; /* we know what the tracking ref is but we cannot read it */ |
99a1f9ae SK |
2541 | |
2542 | *dst_refname = dst; | |
91048a95 JH |
2543 | return 0; |
2544 | } | |
2545 | ||
99a1f9ae SK |
2546 | /* |
2547 | * The struct "reflog_commit_array" and related helper functions | |
2548 | * are used for collecting commits into an array during reflog | |
2549 | * traversals in "check_and_collect_until()". | |
2550 | */ | |
2551 | struct reflog_commit_array { | |
2552 | struct commit **item; | |
2553 | size_t nr, alloc; | |
2554 | }; | |
2555 | ||
9865b6e6 | 2556 | #define REFLOG_COMMIT_ARRAY_INIT { 0 } |
99a1f9ae SK |
2557 | |
2558 | /* Append a commit to the array. */ | |
2559 | static void append_commit(struct reflog_commit_array *arr, | |
2560 | struct commit *commit) | |
2561 | { | |
2562 | ALLOC_GROW(arr->item, arr->nr + 1, arr->alloc); | |
2563 | arr->item[arr->nr++] = commit; | |
2564 | } | |
2565 | ||
2566 | /* Free and reset the array. */ | |
2567 | static void free_commit_array(struct reflog_commit_array *arr) | |
2568 | { | |
2569 | FREE_AND_NULL(arr->item); | |
2570 | arr->nr = arr->alloc = 0; | |
2571 | } | |
2572 | ||
2573 | struct check_and_collect_until_cb_data { | |
2574 | struct commit *remote_commit; | |
2575 | struct reflog_commit_array *local_commits; | |
2576 | timestamp_t remote_reflog_timestamp; | |
2577 | }; | |
2578 | ||
2579 | /* Get the timestamp of the latest entry. */ | |
5cf88fd8 ÆAB |
2580 | static int peek_reflog(struct object_id *o_oid UNUSED, |
2581 | struct object_id *n_oid UNUSED, | |
2582 | const char *ident UNUSED, | |
2583 | timestamp_t timestamp, int tz UNUSED, | |
2584 | const char *message UNUSED, void *cb_data) | |
99a1f9ae SK |
2585 | { |
2586 | timestamp_t *ts = cb_data; | |
2587 | *ts = timestamp; | |
2588 | return 1; | |
2589 | } | |
2590 | ||
5cf88fd8 | 2591 | static int check_and_collect_until(struct object_id *o_oid UNUSED, |
99a1f9ae | 2592 | struct object_id *n_oid, |
5cf88fd8 ÆAB |
2593 | const char *ident UNUSED, |
2594 | timestamp_t timestamp, int tz UNUSED, | |
2595 | const char *message UNUSED, void *cb_data) | |
99a1f9ae SK |
2596 | { |
2597 | struct commit *commit; | |
2598 | struct check_and_collect_until_cb_data *cb = cb_data; | |
2599 | ||
2600 | /* An entry was found. */ | |
2601 | if (oideq(n_oid, &cb->remote_commit->object.oid)) | |
2602 | return 1; | |
2603 | ||
2604 | if ((commit = lookup_commit_reference(the_repository, n_oid))) | |
2605 | append_commit(cb->local_commits, commit); | |
2606 | ||
2607 | /* | |
2608 | * If the reflog entry timestamp is older than the remote ref's | |
2609 | * latest reflog entry, there is no need to check or collect | |
2610 | * entries older than this one. | |
2611 | */ | |
2612 | if (timestamp < cb->remote_reflog_timestamp) | |
2613 | return -1; | |
2614 | ||
2615 | return 0; | |
2616 | } | |
2617 | ||
2618 | #define MERGE_BASES_BATCH_SIZE 8 | |
2619 | ||
2620 | /* | |
2621 | * Iterate through the reflog of the local ref to check if there is an entry | |
2622 | * for the given remote-tracking ref; runs until the timestamp of an entry is | |
2623 | * older than latest timestamp of remote-tracking ref's reflog. Any commits | |
2624 | * are that seen along the way are collected into an array to check if the | |
2625 | * remote-tracking ref is reachable from any of them. | |
2626 | */ | |
2627 | static int is_reachable_in_reflog(const char *local, const struct ref *remote) | |
2628 | { | |
2629 | timestamp_t date; | |
2630 | struct commit *commit; | |
2631 | struct commit **chunk; | |
2632 | struct check_and_collect_until_cb_data cb; | |
2633 | struct reflog_commit_array arr = REFLOG_COMMIT_ARRAY_INIT; | |
2634 | size_t size = 0; | |
2635 | int ret = 0; | |
2636 | ||
2637 | commit = lookup_commit_reference(the_repository, &remote->old_oid); | |
2638 | if (!commit) | |
2639 | goto cleanup_return; | |
2640 | ||
2641 | /* | |
2642 | * Get the timestamp from the latest entry | |
2643 | * of the remote-tracking ref's reflog. | |
2644 | */ | |
2645 | for_each_reflog_ent_reverse(remote->tracking_ref, peek_reflog, &date); | |
2646 | ||
2647 | cb.remote_commit = commit; | |
2648 | cb.local_commits = &arr; | |
2649 | cb.remote_reflog_timestamp = date; | |
2650 | ret = for_each_reflog_ent_reverse(local, check_and_collect_until, &cb); | |
2651 | ||
2652 | /* We found an entry in the reflog. */ | |
2653 | if (ret > 0) | |
2654 | goto cleanup_return; | |
2655 | ||
2656 | /* | |
2657 | * Check if the remote commit is reachable from any | |
2658 | * of the commits in the collected array, in batches. | |
2659 | */ | |
2660 | for (chunk = arr.item; chunk < arr.item + arr.nr; chunk += size) { | |
2661 | size = arr.item + arr.nr - chunk; | |
2662 | if (MERGE_BASES_BATCH_SIZE < size) | |
2663 | size = MERGE_BASES_BATCH_SIZE; | |
2664 | ||
2665 | if ((ret = in_merge_bases_many(commit, size, chunk))) | |
2666 | break; | |
2667 | } | |
2668 | ||
2669 | cleanup_return: | |
2670 | free_commit_array(&arr); | |
2671 | return ret; | |
2672 | } | |
2673 | ||
2674 | /* | |
2675 | * Check for reachability of a remote-tracking | |
2676 | * ref in the reflog entries of its local ref. | |
2677 | */ | |
2678 | static void check_if_includes_upstream(struct ref *remote) | |
2679 | { | |
2680 | struct ref *local = get_local_ref(remote->name); | |
2681 | if (!local) | |
2682 | return; | |
2683 | ||
2684 | if (is_reachable_in_reflog(local->name, remote) <= 0) | |
2685 | remote->unreachable = 1; | |
2686 | } | |
2687 | ||
91048a95 JH |
2688 | static void apply_cas(struct push_cas_option *cas, |
2689 | struct remote *remote, | |
2690 | struct ref *ref) | |
2691 | { | |
2692 | int i; | |
2693 | ||
2694 | /* Find an explicit --<option>=<name>[:<value>] entry */ | |
2695 | for (i = 0; i < cas->nr; i++) { | |
2696 | struct push_cas *entry = &cas->entry[i]; | |
54457fe5 | 2697 | if (!refname_match(entry->refname, ref->name)) |
91048a95 JH |
2698 | continue; |
2699 | ref->expect_old_sha1 = 1; | |
2700 | if (!entry->use_tracking) | |
b8566f8f | 2701 | oidcpy(&ref->old_oid_expect, &entry->expect); |
99a1f9ae SK |
2702 | else if (remote_tracking(remote, ref->name, |
2703 | &ref->old_oid_expect, | |
2704 | &ref->tracking_ref)) | |
64ac39af | 2705 | oidclr(&ref->old_oid_expect); |
99a1f9ae SK |
2706 | else |
2707 | ref->check_reachable = cas->use_force_if_includes; | |
91048a95 JH |
2708 | return; |
2709 | } | |
2710 | ||
2711 | /* Are we using "--<option>" to cover all? */ | |
2712 | if (!cas->use_tracking_for_rest) | |
2713 | return; | |
2714 | ||
2715 | ref->expect_old_sha1 = 1; | |
99a1f9ae SK |
2716 | if (remote_tracking(remote, ref->name, |
2717 | &ref->old_oid_expect, | |
2718 | &ref->tracking_ref)) | |
64ac39af | 2719 | oidclr(&ref->old_oid_expect); |
99a1f9ae SK |
2720 | else |
2721 | ref->check_reachable = cas->use_force_if_includes; | |
91048a95 JH |
2722 | } |
2723 | ||
2724 | void apply_push_cas(struct push_cas_option *cas, | |
2725 | struct remote *remote, | |
2726 | struct ref *remote_refs) | |
2727 | { | |
2728 | struct ref *ref; | |
99a1f9ae | 2729 | for (ref = remote_refs; ref; ref = ref->next) { |
91048a95 | 2730 | apply_cas(cas, remote, ref); |
99a1f9ae SK |
2731 | |
2732 | /* | |
2733 | * If "compare-and-swap" is in "use_tracking[_for_rest]" | |
2734 | * mode, and if "--force-if-includes" was specified, run | |
2735 | * the check. | |
2736 | */ | |
2737 | if (ref->check_reachable) | |
2738 | check_if_includes_upstream(ref); | |
2739 | } | |
91048a95 | 2740 | } |
fd3cb050 GC |
2741 | |
2742 | struct remote_state *remote_state_new(void) | |
2743 | { | |
2744 | struct remote_state *r = xmalloc(sizeof(*r)); | |
2745 | ||
2746 | memset(r, 0, sizeof(*r)); | |
2747 | ||
2748 | hashmap_init(&r->remotes_hash, remotes_hash_cmp, NULL, 0); | |
4a2dcb1a | 2749 | hashmap_init(&r->branches_hash, branches_hash_cmp, NULL, 0); |
fd3cb050 GC |
2750 | return r; |
2751 | } | |
2752 | ||
2753 | void remote_state_clear(struct remote_state *remote_state) | |
2754 | { | |
2755 | int i; | |
2756 | ||
338959da | 2757 | for (i = 0; i < remote_state->remotes_nr; i++) |
fd3cb050 | 2758 | remote_clear(remote_state->remotes[i]); |
fd3cb050 GC |
2759 | FREE_AND_NULL(remote_state->remotes); |
2760 | remote_state->remotes_alloc = 0; | |
2761 | remote_state->remotes_nr = 0; | |
2762 | ||
2763 | hashmap_clear_and_free(&remote_state->remotes_hash, struct remote, ent); | |
4a2dcb1a | 2764 | hashmap_clear_and_free(&remote_state->branches_hash, struct remote, ent); |
fd3cb050 | 2765 | } |
1d04e719 DS |
2766 | |
2767 | /* | |
2768 | * Returns 1 if it was the last chop before ':'. | |
2769 | */ | |
2770 | static int chop_last_dir(char **remoteurl, int is_relative) | |
2771 | { | |
2772 | char *rfind = find_last_dir_sep(*remoteurl); | |
2773 | if (rfind) { | |
2774 | *rfind = '\0'; | |
2775 | return 0; | |
2776 | } | |
2777 | ||
2778 | rfind = strrchr(*remoteurl, ':'); | |
2779 | if (rfind) { | |
2780 | *rfind = '\0'; | |
2781 | return 1; | |
2782 | } | |
2783 | ||
2784 | if (is_relative || !strcmp(".", *remoteurl)) | |
2785 | die(_("cannot strip one component off url '%s'"), | |
2786 | *remoteurl); | |
2787 | ||
2788 | free(*remoteurl); | |
2789 | *remoteurl = xstrdup("."); | |
2790 | return 0; | |
2791 | } | |
2792 | ||
2793 | char *relative_url(const char *remote_url, const char *url, | |
2794 | const char *up_path) | |
2795 | { | |
2796 | int is_relative = 0; | |
2797 | int colonsep = 0; | |
2798 | char *out; | |
834e3520 | 2799 | char *remoteurl; |
1d04e719 | 2800 | struct strbuf sb = STRBUF_INIT; |
834e3520 DS |
2801 | size_t len; |
2802 | ||
2803 | if (!url_is_local_not_ssh(url) || is_absolute_path(url)) | |
2804 | return xstrdup(url); | |
2805 | ||
2806 | len = strlen(remote_url); | |
2807 | if (!len) | |
2808 | BUG("invalid empty remote_url"); | |
1d04e719 | 2809 | |
834e3520 | 2810 | remoteurl = xstrdup(remote_url); |
1d04e719 DS |
2811 | if (is_dir_sep(remoteurl[len-1])) |
2812 | remoteurl[len-1] = '\0'; | |
2813 | ||
2814 | if (!url_is_local_not_ssh(remoteurl) || is_absolute_path(remoteurl)) | |
2815 | is_relative = 0; | |
2816 | else { | |
2817 | is_relative = 1; | |
2818 | /* | |
2819 | * Prepend a './' to ensure all relative | |
2820 | * remoteurls start with './' or '../' | |
2821 | */ | |
2822 | if (!starts_with_dot_slash_native(remoteurl) && | |
2823 | !starts_with_dot_dot_slash_native(remoteurl)) { | |
2824 | strbuf_reset(&sb); | |
2825 | strbuf_addf(&sb, "./%s", remoteurl); | |
2826 | free(remoteurl); | |
2827 | remoteurl = strbuf_detach(&sb, NULL); | |
2828 | } | |
2829 | } | |
2830 | /* | |
2831 | * When the url starts with '../', remove that and the | |
2832 | * last directory in remoteurl. | |
2833 | */ | |
c918f5c1 | 2834 | while (*url) { |
1d04e719 DS |
2835 | if (starts_with_dot_dot_slash_native(url)) { |
2836 | url += 3; | |
2837 | colonsep |= chop_last_dir(&remoteurl, is_relative); | |
2838 | } else if (starts_with_dot_slash_native(url)) | |
2839 | url += 2; | |
2840 | else | |
2841 | break; | |
2842 | } | |
2843 | strbuf_reset(&sb); | |
2844 | strbuf_addf(&sb, "%s%s%s", remoteurl, colonsep ? ":" : "/", url); | |
2845 | if (ends_with(url, "/")) | |
2846 | strbuf_setlen(&sb, sb.len - 1); | |
2847 | free(remoteurl); | |
2848 | ||
2849 | if (starts_with_dot_slash_native(sb.buf)) | |
2850 | out = xstrdup(sb.buf + 2); | |
2851 | else | |
2852 | out = xstrdup(sb.buf); | |
2853 | ||
2854 | if (!up_path || !is_relative) { | |
2855 | strbuf_release(&sb); | |
2856 | return out; | |
2857 | } | |
2858 | ||
2859 | strbuf_reset(&sb); | |
2860 | strbuf_addf(&sb, "%s%s", up_path, out); | |
2861 | free(out); | |
2862 | return strbuf_detach(&sb, NULL); | |
2863 | } |