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Commit | Line | Data |
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5751f490 DB |
1 | #include "cache.h" |
2 | #include "remote.h" | |
3 | #include "refs.h" | |
4 | ||
5 | static struct remote **remotes; | |
6 | static int allocated_remotes; | |
7 | ||
8 | #define BUF_SIZE (2048) | |
9 | static char buffer[BUF_SIZE]; | |
10 | ||
11 | static void add_push_refspec(struct remote *remote, const char *ref) | |
12 | { | |
13 | int nr = remote->push_refspec_nr + 1; | |
14 | remote->push_refspec = | |
15 | xrealloc(remote->push_refspec, nr * sizeof(char *)); | |
16 | remote->push_refspec[nr-1] = ref; | |
17 | remote->push_refspec_nr = nr; | |
18 | } | |
19 | ||
5d46c9d4 DB |
20 | static void add_fetch_refspec(struct remote *remote, const char *ref) |
21 | { | |
22 | int nr = remote->fetch_refspec_nr + 1; | |
23 | remote->fetch_refspec = | |
24 | xrealloc(remote->fetch_refspec, nr * sizeof(char *)); | |
25 | remote->fetch_refspec[nr-1] = ref; | |
26 | remote->fetch_refspec_nr = nr; | |
27 | } | |
28 | ||
5751f490 DB |
29 | static void add_uri(struct remote *remote, const char *uri) |
30 | { | |
31 | int nr = remote->uri_nr + 1; | |
32 | remote->uri = | |
33 | xrealloc(remote->uri, nr * sizeof(char *)); | |
34 | remote->uri[nr-1] = uri; | |
35 | remote->uri_nr = nr; | |
36 | } | |
37 | ||
38 | static struct remote *make_remote(const char *name, int len) | |
39 | { | |
40 | int i, empty = -1; | |
41 | ||
42 | for (i = 0; i < allocated_remotes; i++) { | |
43 | if (!remotes[i]) { | |
44 | if (empty < 0) | |
45 | empty = i; | |
46 | } else { | |
47 | if (len ? (!strncmp(name, remotes[i]->name, len) && | |
48 | !remotes[i]->name[len]) : | |
49 | !strcmp(name, remotes[i]->name)) | |
50 | return remotes[i]; | |
51 | } | |
52 | } | |
53 | ||
54 | if (empty < 0) { | |
55 | empty = allocated_remotes; | |
56 | allocated_remotes += allocated_remotes ? allocated_remotes : 1; | |
57 | remotes = xrealloc(remotes, | |
58 | sizeof(*remotes) * allocated_remotes); | |
59 | memset(remotes + empty, 0, | |
60 | (allocated_remotes - empty) * sizeof(*remotes)); | |
61 | } | |
62 | remotes[empty] = xcalloc(1, sizeof(struct remote)); | |
63 | if (len) | |
64 | remotes[empty]->name = xstrndup(name, len); | |
65 | else | |
66 | remotes[empty]->name = xstrdup(name); | |
67 | return remotes[empty]; | |
68 | } | |
69 | ||
70 | static void read_remotes_file(struct remote *remote) | |
71 | { | |
72 | FILE *f = fopen(git_path("remotes/%s", remote->name), "r"); | |
73 | ||
74 | if (!f) | |
75 | return; | |
76 | while (fgets(buffer, BUF_SIZE, f)) { | |
77 | int value_list; | |
78 | char *s, *p; | |
79 | ||
80 | if (!prefixcmp(buffer, "URL:")) { | |
81 | value_list = 0; | |
82 | s = buffer + 4; | |
83 | } else if (!prefixcmp(buffer, "Push:")) { | |
84 | value_list = 1; | |
85 | s = buffer + 5; | |
5d46c9d4 DB |
86 | } else if (!prefixcmp(buffer, "Pull:")) { |
87 | value_list = 2; | |
88 | s = buffer + 5; | |
5751f490 DB |
89 | } else |
90 | continue; | |
91 | ||
92 | while (isspace(*s)) | |
93 | s++; | |
94 | if (!*s) | |
95 | continue; | |
96 | ||
97 | p = s + strlen(s); | |
98 | while (isspace(p[-1])) | |
99 | *--p = 0; | |
100 | ||
101 | switch (value_list) { | |
102 | case 0: | |
103 | add_uri(remote, xstrdup(s)); | |
104 | break; | |
105 | case 1: | |
106 | add_push_refspec(remote, xstrdup(s)); | |
107 | break; | |
5d46c9d4 DB |
108 | case 2: |
109 | add_fetch_refspec(remote, xstrdup(s)); | |
110 | break; | |
5751f490 DB |
111 | } |
112 | } | |
113 | fclose(f); | |
114 | } | |
115 | ||
116 | static void read_branches_file(struct remote *remote) | |
117 | { | |
118 | const char *slash = strchr(remote->name, '/'); | |
119 | int n = slash ? slash - remote->name : 1000; | |
120 | FILE *f = fopen(git_path("branches/%.*s", n, remote->name), "r"); | |
121 | char *s, *p; | |
122 | int len; | |
123 | ||
124 | if (!f) | |
125 | return; | |
126 | s = fgets(buffer, BUF_SIZE, f); | |
127 | fclose(f); | |
128 | if (!s) | |
129 | return; | |
130 | while (isspace(*s)) | |
131 | s++; | |
132 | if (!*s) | |
133 | return; | |
134 | p = s + strlen(s); | |
135 | while (isspace(p[-1])) | |
136 | *--p = 0; | |
137 | len = p - s; | |
138 | if (slash) | |
139 | len += strlen(slash); | |
140 | p = xmalloc(len + 1); | |
141 | strcpy(p, s); | |
142 | if (slash) | |
143 | strcat(p, slash); | |
144 | add_uri(remote, p); | |
145 | } | |
146 | ||
147 | static char *default_remote_name = NULL; | |
148 | static const char *current_branch = NULL; | |
149 | static int current_branch_len = 0; | |
150 | ||
151 | static int handle_config(const char *key, const char *value) | |
152 | { | |
153 | const char *name; | |
154 | const char *subkey; | |
155 | struct remote *remote; | |
156 | if (!prefixcmp(key, "branch.") && current_branch && | |
157 | !strncmp(key + 7, current_branch, current_branch_len) && | |
158 | !strcmp(key + 7 + current_branch_len, ".remote")) { | |
159 | free(default_remote_name); | |
160 | default_remote_name = xstrdup(value); | |
161 | } | |
162 | if (prefixcmp(key, "remote.")) | |
163 | return 0; | |
164 | name = key + 7; | |
165 | subkey = strrchr(name, '.'); | |
166 | if (!subkey) | |
167 | return error("Config with no key for remote %s", name); | |
168 | if (*subkey == '/') { | |
169 | warning("Config remote shorthand cannot begin with '/': %s", name); | |
170 | return 0; | |
171 | } | |
172 | remote = make_remote(name, subkey - name); | |
173 | if (!value) { | |
174 | /* if we ever have a boolean variable, e.g. "remote.*.disabled" | |
175 | * [remote "frotz"] | |
176 | * disabled | |
177 | * is a valid way to set it to true; we get NULL in value so | |
178 | * we need to handle it here. | |
179 | * | |
180 | * if (!strcmp(subkey, ".disabled")) { | |
181 | * val = git_config_bool(key, value); | |
182 | * return 0; | |
183 | * } else | |
184 | * | |
185 | */ | |
186 | return 0; /* ignore unknown booleans */ | |
187 | } | |
188 | if (!strcmp(subkey, ".url")) { | |
189 | add_uri(remote, xstrdup(value)); | |
190 | } else if (!strcmp(subkey, ".push")) { | |
191 | add_push_refspec(remote, xstrdup(value)); | |
5d46c9d4 DB |
192 | } else if (!strcmp(subkey, ".fetch")) { |
193 | add_fetch_refspec(remote, xstrdup(value)); | |
5751f490 DB |
194 | } else if (!strcmp(subkey, ".receivepack")) { |
195 | if (!remote->receivepack) | |
196 | remote->receivepack = xstrdup(value); | |
197 | else | |
198 | error("more than one receivepack given, using the first"); | |
199 | } | |
200 | return 0; | |
201 | } | |
202 | ||
203 | static void read_config(void) | |
204 | { | |
205 | unsigned char sha1[20]; | |
206 | const char *head_ref; | |
207 | int flag; | |
208 | if (default_remote_name) // did this already | |
209 | return; | |
210 | default_remote_name = xstrdup("origin"); | |
211 | current_branch = NULL; | |
212 | head_ref = resolve_ref("HEAD", sha1, 0, &flag); | |
213 | if (head_ref && (flag & REF_ISSYMREF) && | |
214 | !prefixcmp(head_ref, "refs/heads/")) { | |
215 | current_branch = head_ref + strlen("refs/heads/"); | |
216 | current_branch_len = strlen(current_branch); | |
217 | } | |
218 | git_config(handle_config); | |
219 | } | |
220 | ||
6b62816c DB |
221 | static struct refspec *parse_ref_spec(int nr_refspec, const char **refspec) |
222 | { | |
223 | int i; | |
224 | struct refspec *rs = xcalloc(sizeof(*rs), nr_refspec); | |
225 | for (i = 0; i < nr_refspec; i++) { | |
226 | const char *sp, *ep, *gp; | |
227 | sp = refspec[i]; | |
228 | if (*sp == '+') { | |
229 | rs[i].force = 1; | |
230 | sp++; | |
231 | } | |
232 | gp = strchr(sp, '*'); | |
233 | ep = strchr(sp, ':'); | |
234 | if (gp && ep && gp > ep) | |
235 | gp = NULL; | |
236 | if (ep) { | |
237 | if (ep[1]) { | |
238 | const char *glob = strchr(ep + 1, '*'); | |
239 | if (!glob) | |
240 | gp = NULL; | |
241 | if (gp) | |
242 | rs[i].dst = xstrndup(ep + 1, | |
243 | glob - ep - 1); | |
244 | else | |
245 | rs[i].dst = xstrdup(ep + 1); | |
246 | } | |
247 | } else { | |
248 | ep = sp + strlen(sp); | |
249 | } | |
250 | if (gp) { | |
251 | rs[i].pattern = 1; | |
252 | ep = gp; | |
253 | } | |
254 | rs[i].src = xstrndup(sp, ep - sp); | |
255 | } | |
256 | return rs; | |
257 | } | |
258 | ||
5751f490 DB |
259 | struct remote *remote_get(const char *name) |
260 | { | |
261 | struct remote *ret; | |
262 | ||
263 | read_config(); | |
264 | if (!name) | |
265 | name = default_remote_name; | |
266 | ret = make_remote(name, 0); | |
267 | if (name[0] != '/') { | |
268 | if (!ret->uri) | |
269 | read_remotes_file(ret); | |
270 | if (!ret->uri) | |
271 | read_branches_file(ret); | |
272 | } | |
273 | if (!ret->uri) | |
274 | add_uri(ret, name); | |
275 | if (!ret->uri) | |
276 | return NULL; | |
5d46c9d4 | 277 | ret->fetch = parse_ref_spec(ret->fetch_refspec_nr, ret->fetch_refspec); |
6b62816c | 278 | ret->push = parse_ref_spec(ret->push_refspec_nr, ret->push_refspec); |
5751f490 DB |
279 | return ret; |
280 | } | |
6b62816c | 281 | |
b42f6927 JS |
282 | int for_each_remote(each_remote_fn fn, void *priv) |
283 | { | |
284 | int i, result = 0; | |
285 | read_config(); | |
286 | for (i = 0; i < allocated_remotes && !result; i++) { | |
287 | struct remote *r = remotes[i]; | |
288 | if (!r) | |
289 | continue; | |
290 | if (!r->fetch) | |
291 | r->fetch = parse_ref_spec(r->fetch_refspec_nr, | |
292 | r->fetch_refspec); | |
293 | if (!r->push) | |
294 | r->push = parse_ref_spec(r->push_refspec_nr, | |
295 | r->push_refspec); | |
296 | result = fn(r, priv); | |
297 | } | |
298 | return result; | |
299 | } | |
300 | ||
5d46c9d4 DB |
301 | int remote_has_uri(struct remote *remote, const char *uri) |
302 | { | |
303 | int i; | |
304 | for (i = 0; i < remote->uri_nr; i++) { | |
305 | if (!strcmp(remote->uri[i], uri)) | |
306 | return 1; | |
307 | } | |
308 | return 0; | |
309 | } | |
310 | ||
311 | int remote_find_tracking(struct remote *remote, struct refspec *refspec) | |
312 | { | |
b42f6927 JS |
313 | int find_src = refspec->src == NULL; |
314 | char *needle, **result; | |
5d46c9d4 | 315 | int i; |
b42f6927 JS |
316 | |
317 | if (find_src) { | |
318 | if (refspec->dst == NULL) | |
319 | return error("find_tracking: need either src or dst"); | |
320 | needle = refspec->dst; | |
321 | result = &refspec->src; | |
322 | } else { | |
323 | needle = refspec->src; | |
324 | result = &refspec->dst; | |
325 | } | |
326 | ||
5d46c9d4 DB |
327 | for (i = 0; i < remote->fetch_refspec_nr; i++) { |
328 | struct refspec *fetch = &remote->fetch[i]; | |
b42f6927 JS |
329 | const char *key = find_src ? fetch->dst : fetch->src; |
330 | const char *value = find_src ? fetch->src : fetch->dst; | |
5d46c9d4 DB |
331 | if (!fetch->dst) |
332 | continue; | |
333 | if (fetch->pattern) { | |
b42f6927 JS |
334 | if (!prefixcmp(needle, key)) { |
335 | *result = xmalloc(strlen(value) + | |
336 | strlen(needle) - | |
337 | strlen(key) + 1); | |
338 | strcpy(*result, value); | |
339 | strcpy(*result + strlen(value), | |
340 | needle + strlen(key)); | |
5d46c9d4 DB |
341 | refspec->force = fetch->force; |
342 | return 0; | |
343 | } | |
b42f6927 JS |
344 | } else if (!strcmp(needle, key)) { |
345 | *result = xstrdup(value); | |
346 | refspec->force = fetch->force; | |
347 | return 0; | |
5d46c9d4 DB |
348 | } |
349 | } | |
5d46c9d4 DB |
350 | return -1; |
351 | } | |
352 | ||
dfd255dd DB |
353 | struct ref *alloc_ref(unsigned namelen) |
354 | { | |
355 | struct ref *ret = xmalloc(sizeof(struct ref) + namelen); | |
356 | memset(ret, 0, sizeof(struct ref) + namelen); | |
357 | return ret; | |
358 | } | |
359 | ||
360 | void free_refs(struct ref *ref) | |
361 | { | |
362 | struct ref *next; | |
363 | while (ref) { | |
364 | next = ref->next; | |
365 | if (ref->peer_ref) | |
366 | free(ref->peer_ref); | |
367 | free(ref); | |
368 | ref = next; | |
369 | } | |
370 | } | |
371 | ||
6b62816c DB |
372 | static int count_refspec_match(const char *pattern, |
373 | struct ref *refs, | |
374 | struct ref **matched_ref) | |
375 | { | |
376 | int patlen = strlen(pattern); | |
377 | struct ref *matched_weak = NULL; | |
378 | struct ref *matched = NULL; | |
379 | int weak_match = 0; | |
380 | int match = 0; | |
381 | ||
382 | for (weak_match = match = 0; refs; refs = refs->next) { | |
383 | char *name = refs->name; | |
384 | int namelen = strlen(name); | |
6b62816c DB |
385 | |
386 | if (namelen < patlen || | |
387 | memcmp(name + namelen - patlen, pattern, patlen)) | |
388 | continue; | |
389 | if (namelen != patlen && name[namelen - patlen - 1] != '/') | |
390 | continue; | |
391 | ||
392 | /* A match is "weak" if it is with refs outside | |
393 | * heads or tags, and did not specify the pattern | |
394 | * in full (e.g. "refs/remotes/origin/master") or at | |
395 | * least from the toplevel (e.g. "remotes/origin/master"); | |
396 | * otherwise "git push $URL master" would result in | |
397 | * ambiguity between remotes/origin/master and heads/master | |
398 | * at the remote site. | |
399 | */ | |
400 | if (namelen != patlen && | |
401 | patlen != namelen - 5 && | |
402 | prefixcmp(name, "refs/heads/") && | |
403 | prefixcmp(name, "refs/tags/")) { | |
404 | /* We want to catch the case where only weak | |
405 | * matches are found and there are multiple | |
406 | * matches, and where more than one strong | |
407 | * matches are found, as ambiguous. One | |
408 | * strong match with zero or more weak matches | |
409 | * are acceptable as a unique match. | |
410 | */ | |
411 | matched_weak = refs; | |
412 | weak_match++; | |
413 | } | |
414 | else { | |
415 | matched = refs; | |
416 | match++; | |
417 | } | |
418 | } | |
419 | if (!matched) { | |
420 | *matched_ref = matched_weak; | |
421 | return weak_match; | |
422 | } | |
423 | else { | |
424 | *matched_ref = matched; | |
425 | return match; | |
426 | } | |
427 | } | |
428 | ||
1d735267 | 429 | static void tail_link_ref(struct ref *ref, struct ref ***tail) |
6b62816c DB |
430 | { |
431 | **tail = ref; | |
1d735267 DB |
432 | while (ref->next) |
433 | ref = ref->next; | |
6b62816c | 434 | *tail = &ref->next; |
6b62816c DB |
435 | } |
436 | ||
437 | static struct ref *try_explicit_object_name(const char *name) | |
438 | { | |
439 | unsigned char sha1[20]; | |
440 | struct ref *ref; | |
441 | int len; | |
442 | ||
443 | if (!*name) { | |
dfd255dd | 444 | ref = alloc_ref(20); |
6b62816c DB |
445 | strcpy(ref->name, "(delete)"); |
446 | hashclr(ref->new_sha1); | |
447 | return ref; | |
448 | } | |
449 | if (get_sha1(name, sha1)) | |
450 | return NULL; | |
451 | len = strlen(name) + 1; | |
dfd255dd | 452 | ref = alloc_ref(len); |
6b62816c DB |
453 | memcpy(ref->name, name, len); |
454 | hashcpy(ref->new_sha1, sha1); | |
455 | return ref; | |
456 | } | |
457 | ||
1d735267 | 458 | static struct ref *make_linked_ref(const char *name, struct ref ***tail) |
6b62816c | 459 | { |
1d735267 | 460 | struct ref *ret; |
163f0ee5 | 461 | size_t len; |
6b62816c | 462 | |
163f0ee5 | 463 | len = strlen(name) + 1; |
1d735267 DB |
464 | ret = alloc_ref(len); |
465 | memcpy(ret->name, name, len); | |
466 | tail_link_ref(ret, tail); | |
467 | return ret; | |
163f0ee5 | 468 | } |
8558fd9e | 469 | |
54a8ad92 JH |
470 | static int match_explicit(struct ref *src, struct ref *dst, |
471 | struct ref ***dst_tail, | |
472 | struct refspec *rs, | |
473 | int errs) | |
6b62816c | 474 | { |
54a8ad92 | 475 | struct ref *matched_src, *matched_dst; |
8558fd9e | 476 | |
54a8ad92 | 477 | const char *dst_value = rs->dst; |
6b62816c | 478 | |
54a8ad92 JH |
479 | if (rs->pattern) |
480 | return errs; | |
8558fd9e | 481 | |
54a8ad92 JH |
482 | matched_src = matched_dst = NULL; |
483 | switch (count_refspec_match(rs->src, src, &matched_src)) { | |
484 | case 1: | |
485 | break; | |
486 | case 0: | |
487 | /* The source could be in the get_sha1() format | |
488 | * not a reference name. :refs/other is a | |
489 | * way to delete 'other' ref at the remote end. | |
490 | */ | |
491 | matched_src = try_explicit_object_name(rs->src); | |
492 | if (matched_src) | |
6b62816c | 493 | break; |
54a8ad92 JH |
494 | error("src refspec %s does not match any.", |
495 | rs->src); | |
496 | break; | |
497 | default: | |
3c8b7df1 | 498 | matched_src = NULL; |
54a8ad92 JH |
499 | error("src refspec %s matches more than one.", |
500 | rs->src); | |
501 | break; | |
502 | } | |
3c8b7df1 JH |
503 | |
504 | if (!matched_src) | |
505 | errs = 1; | |
506 | ||
507 | if (dst_value == NULL) | |
1ed10b88 | 508 | dst_value = matched_src->name; |
3c8b7df1 | 509 | |
54a8ad92 JH |
510 | switch (count_refspec_match(dst_value, dst, &matched_dst)) { |
511 | case 1: | |
512 | break; | |
513 | case 0: | |
163f0ee5 | 514 | if (!memcmp(dst_value, "refs/", 5)) |
1d735267 | 515 | matched_dst = make_linked_ref(dst_value, dst_tail); |
3c8b7df1 | 516 | else |
54a8ad92 JH |
517 | error("dst refspec %s does not match any " |
518 | "existing ref on the remote and does " | |
519 | "not start with refs/.", dst_value); | |
54a8ad92 JH |
520 | break; |
521 | default: | |
3c8b7df1 | 522 | matched_dst = NULL; |
54a8ad92 JH |
523 | error("dst refspec %s matches more than one.", |
524 | dst_value); | |
525 | break; | |
526 | } | |
3c8b7df1 JH |
527 | if (errs || matched_dst == NULL) |
528 | return 1; | |
54a8ad92 JH |
529 | if (matched_dst->peer_ref) { |
530 | errs = 1; | |
531 | error("dst ref %s receives from more than one src.", | |
532 | matched_dst->name); | |
6b62816c | 533 | } |
54a8ad92 JH |
534 | else { |
535 | matched_dst->peer_ref = matched_src; | |
536 | matched_dst->force = rs->force; | |
6b62816c | 537 | } |
54a8ad92 JH |
538 | return errs; |
539 | } | |
540 | ||
541 | static int match_explicit_refs(struct ref *src, struct ref *dst, | |
542 | struct ref ***dst_tail, struct refspec *rs, | |
543 | int rs_nr) | |
544 | { | |
545 | int i, errs; | |
546 | for (i = errs = 0; i < rs_nr; i++) | |
547 | errs |= match_explicit(src, dst, dst_tail, &rs[i], errs); | |
6b62816c DB |
548 | return -errs; |
549 | } | |
550 | ||
551 | static struct ref *find_ref_by_name(struct ref *list, const char *name) | |
552 | { | |
553 | for ( ; list; list = list->next) | |
554 | if (!strcmp(list->name, name)) | |
555 | return list; | |
556 | return NULL; | |
557 | } | |
558 | ||
6e66bf3c AR |
559 | static const struct refspec *check_pattern_match(const struct refspec *rs, |
560 | int rs_nr, | |
561 | const struct ref *src) | |
8558fd9e DB |
562 | { |
563 | int i; | |
8558fd9e DB |
564 | for (i = 0; i < rs_nr; i++) { |
565 | if (rs[i].pattern && !prefixcmp(src->name, rs[i].src)) | |
6e66bf3c | 566 | return rs + i; |
8558fd9e | 567 | } |
6e66bf3c | 568 | return NULL; |
8558fd9e DB |
569 | } |
570 | ||
54a8ad92 JH |
571 | /* |
572 | * Note. This is used only by "push"; refspec matching rules for | |
573 | * push and fetch are subtly different, so do not try to reuse it | |
574 | * without thinking. | |
575 | */ | |
6b62816c DB |
576 | int match_refs(struct ref *src, struct ref *dst, struct ref ***dst_tail, |
577 | int nr_refspec, char **refspec, int all) | |
578 | { | |
579 | struct refspec *rs = | |
580 | parse_ref_spec(nr_refspec, (const char **) refspec); | |
581 | ||
8558fd9e DB |
582 | if (match_explicit_refs(src, dst, dst_tail, rs, nr_refspec)) |
583 | return -1; | |
6b62816c DB |
584 | |
585 | /* pick the remainder */ | |
586 | for ( ; src; src = src->next) { | |
587 | struct ref *dst_peer; | |
6e66bf3c AR |
588 | const struct refspec *pat = NULL; |
589 | char *dst_name; | |
6b62816c DB |
590 | if (src->peer_ref) |
591 | continue; | |
6e66bf3c AR |
592 | if (nr_refspec) { |
593 | pat = check_pattern_match(rs, nr_refspec, src); | |
594 | if (!pat) | |
595 | continue; | |
596 | } | |
098e711e JH |
597 | else if (prefixcmp(src->name, "refs/heads/")) |
598 | /* | |
599 | * "matching refs"; traditionally we pushed everything | |
600 | * including refs outside refs/heads/ hierarchy, but | |
601 | * that does not make much sense these days. | |
602 | */ | |
603 | continue; | |
8558fd9e | 604 | |
6e66bf3c | 605 | if (pat) { |
efd8f793 DB |
606 | const char *dst_side = pat->dst ? pat->dst : pat->src; |
607 | dst_name = xmalloc(strlen(dst_side) + | |
6e66bf3c AR |
608 | strlen(src->name) - |
609 | strlen(pat->src) + 2); | |
efd8f793 | 610 | strcpy(dst_name, dst_side); |
6e66bf3c AR |
611 | strcat(dst_name, src->name + strlen(pat->src)); |
612 | } else | |
aa32eedc | 613 | dst_name = xstrdup(src->name); |
6e66bf3c | 614 | dst_peer = find_ref_by_name(dst, dst_name); |
8558fd9e DB |
615 | if (dst_peer && dst_peer->peer_ref) |
616 | /* We're already sending something to this ref. */ | |
6e66bf3c | 617 | goto free_name; |
8558fd9e DB |
618 | if (!dst_peer && !nr_refspec && !all) |
619 | /* Remote doesn't have it, and we have no | |
620 | * explicit pattern, and we don't have | |
621 | * --all. */ | |
6e66bf3c | 622 | goto free_name; |
6b62816c DB |
623 | if (!dst_peer) { |
624 | /* Create a new one and link it */ | |
1d735267 | 625 | dst_peer = make_linked_ref(dst_name, dst_tail); |
6b62816c | 626 | hashcpy(dst_peer->new_sha1, src->new_sha1); |
6b62816c DB |
627 | } |
628 | dst_peer->peer_ref = src; | |
6e66bf3c AR |
629 | free_name: |
630 | free(dst_name); | |
6b62816c DB |
631 | } |
632 | return 0; | |
633 | } |