952be2e27bc32026ef0af61f14ebd5d9102d2c85
[git/git.git] / builtin / remote.c
1 #include "cache.h"
2 #include "parse-options.h"
3 #include "transport.h"
4 #include "remote.h"
5 #include "string-list.h"
6 #include "strbuf.h"
7 #include "run-command.h"
8 #include "refs.h"
9
10 static const char * const builtin_remote_usage[] = {
11 "git remote [-v | --verbose]",
12 "git remote add [-t <branch>] [-m <master>] [-f] [--mirror] <name> <url>",
13 "git remote rename <old> <new>",
14 "git remote rm <name>",
15 "git remote set-head <name> (-a | -d | <branch>)",
16 "git remote [-v | --verbose] show [-n] <name>",
17 "git remote prune [-n | --dry-run] <name>",
18 "git remote [-v | --verbose] update [-p | --prune] [(<group> | <remote>)...]",
19 "git remote set-branches <name> [--add] <branch>...",
20 "git remote set-url <name> <newurl> [<oldurl>]",
21 "git remote set-url --add <name> <newurl>",
22 "git remote set-url --delete <name> <url>",
23 NULL
24 };
25
26 static const char * const builtin_remote_add_usage[] = {
27 "git remote add [<options>] <name> <url>",
28 NULL
29 };
30
31 static const char * const builtin_remote_rename_usage[] = {
32 "git remote rename <old> <new>",
33 NULL
34 };
35
36 static const char * const builtin_remote_rm_usage[] = {
37 "git remote rm <name>",
38 NULL
39 };
40
41 static const char * const builtin_remote_sethead_usage[] = {
42 "git remote set-head <name> (-a | -d | <branch>])",
43 NULL
44 };
45
46 static const char * const builtin_remote_setbranches_usage[] = {
47 "git remote set-branches <name> <branch>...",
48 "git remote set-branches --add <name> <branch>...",
49 NULL
50 };
51
52 static const char * const builtin_remote_show_usage[] = {
53 "git remote show [<options>] <name>",
54 NULL
55 };
56
57 static const char * const builtin_remote_prune_usage[] = {
58 "git remote prune [<options>] <name>",
59 NULL
60 };
61
62 static const char * const builtin_remote_update_usage[] = {
63 "git remote update [<options>] [<group> | <remote>]...",
64 NULL
65 };
66
67 static const char * const builtin_remote_seturl_usage[] = {
68 "git remote set-url [--push] <name> <newurl> [<oldurl>]",
69 "git remote set-url --add <name> <newurl>",
70 "git remote set-url --delete <name> <url>",
71 NULL
72 };
73
74 #define GET_REF_STATES (1<<0)
75 #define GET_HEAD_NAMES (1<<1)
76 #define GET_PUSH_REF_STATES (1<<2)
77
78 static int verbose;
79
80 static int show_all(void);
81 static int prune_remote(const char *remote, int dry_run);
82
83 static inline int postfixcmp(const char *string, const char *postfix)
84 {
85 int len1 = strlen(string), len2 = strlen(postfix);
86 if (len1 < len2)
87 return 1;
88 return strcmp(string + len1 - len2, postfix);
89 }
90
91 static int opt_parse_track(const struct option *opt, const char *arg, int not)
92 {
93 struct string_list *list = opt->value;
94 if (not)
95 string_list_clear(list, 0);
96 else
97 string_list_append(list, arg);
98 return 0;
99 }
100
101 static int fetch_remote(const char *name)
102 {
103 const char *argv[] = { "fetch", name, NULL, NULL };
104 if (verbose) {
105 argv[1] = "-v";
106 argv[2] = name;
107 }
108 printf("Updating %s\n", name);
109 if (run_command_v_opt(argv, RUN_GIT_CMD))
110 return error("Could not fetch %s", name);
111 return 0;
112 }
113
114 enum {
115 TAGS_UNSET = 0,
116 TAGS_DEFAULT = 1,
117 TAGS_SET = 2
118 };
119
120 static int add_branch(const char *key, const char *branchname,
121 const char *remotename, int mirror, struct strbuf *tmp)
122 {
123 strbuf_reset(tmp);
124 strbuf_addch(tmp, '+');
125 if (mirror)
126 strbuf_addf(tmp, "refs/%s:refs/%s",
127 branchname, branchname);
128 else
129 strbuf_addf(tmp, "refs/heads/%s:refs/remotes/%s/%s",
130 branchname, remotename, branchname);
131 return git_config_set_multivar(key, tmp->buf, "^$", 0);
132 }
133
134 static int add(int argc, const char **argv)
135 {
136 int fetch = 0, mirror = 0, fetch_tags = TAGS_DEFAULT;
137 struct string_list track = STRING_LIST_INIT_NODUP;
138 const char *master = NULL;
139 struct remote *remote;
140 struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
141 const char *name, *url;
142 int i;
143
144 struct option options[] = {
145 OPT_BOOLEAN('f', "fetch", &fetch, "fetch the remote branches"),
146 OPT_SET_INT(0, "tags", &fetch_tags,
147 "import all tags and associated objects when fetching",
148 TAGS_SET),
149 OPT_SET_INT(0, NULL, &fetch_tags,
150 "or do not fetch any tag at all (--no-tags)", TAGS_UNSET),
151 OPT_CALLBACK('t', "track", &track, "branch",
152 "branch(es) to track", opt_parse_track),
153 OPT_STRING('m', "master", &master, "branch", "master branch"),
154 OPT_BOOLEAN(0, "mirror", &mirror, "no separate remotes"),
155 OPT_END()
156 };
157
158 argc = parse_options(argc, argv, NULL, options, builtin_remote_add_usage,
159 0);
160
161 if (argc < 2)
162 usage_with_options(builtin_remote_add_usage, options);
163
164 if (mirror && master)
165 die("specifying a master branch makes no sense with --mirror");
166 if (mirror && track.nr)
167 die("specifying branches to track makes no sense with --mirror");
168
169 name = argv[0];
170 url = argv[1];
171
172 remote = remote_get(name);
173 if (remote && (remote->url_nr > 1 || strcmp(name, remote->url[0]) ||
174 remote->fetch_refspec_nr))
175 die("remote %s already exists.", name);
176
177 strbuf_addf(&buf2, "refs/heads/test:refs/remotes/%s/test", name);
178 if (!valid_fetch_refspec(buf2.buf))
179 die("'%s' is not a valid remote name", name);
180
181 strbuf_addf(&buf, "remote.%s.url", name);
182 if (git_config_set(buf.buf, url))
183 return 1;
184
185 strbuf_reset(&buf);
186 strbuf_addf(&buf, "remote.%s.fetch", name);
187
188 if (track.nr == 0)
189 string_list_append(&track, "*");
190 for (i = 0; i < track.nr; i++) {
191 if (add_branch(buf.buf, track.items[i].string,
192 name, mirror, &buf2))
193 return 1;
194 }
195
196 if (mirror) {
197 strbuf_reset(&buf);
198 strbuf_addf(&buf, "remote.%s.mirror", name);
199 if (git_config_set(buf.buf, "true"))
200 return 1;
201 }
202
203 if (fetch_tags != TAGS_DEFAULT) {
204 strbuf_reset(&buf);
205 strbuf_addf(&buf, "remote.%s.tagopt", name);
206 if (git_config_set(buf.buf,
207 fetch_tags == TAGS_SET ? "--tags" : "--no-tags"))
208 return 1;
209 }
210
211 if (fetch && fetch_remote(name))
212 return 1;
213
214 if (master) {
215 strbuf_reset(&buf);
216 strbuf_addf(&buf, "refs/remotes/%s/HEAD", name);
217
218 strbuf_reset(&buf2);
219 strbuf_addf(&buf2, "refs/remotes/%s/%s", name, master);
220
221 if (create_symref(buf.buf, buf2.buf, "remote add"))
222 return error("Could not setup master '%s'", master);
223 }
224
225 strbuf_release(&buf);
226 strbuf_release(&buf2);
227 string_list_clear(&track, 0);
228
229 return 0;
230 }
231
232 struct branch_info {
233 char *remote_name;
234 struct string_list merge;
235 int rebase;
236 };
237
238 static struct string_list branch_list;
239
240 static const char *abbrev_ref(const char *name, const char *prefix)
241 {
242 const char *abbrev = skip_prefix(name, prefix);
243 if (abbrev)
244 return abbrev;
245 return name;
246 }
247 #define abbrev_branch(name) abbrev_ref((name), "refs/heads/")
248
249 static int config_read_branches(const char *key, const char *value, void *cb)
250 {
251 if (!prefixcmp(key, "branch.")) {
252 const char *orig_key = key;
253 char *name;
254 struct string_list_item *item;
255 struct branch_info *info;
256 enum { REMOTE, MERGE, REBASE } type;
257
258 key += 7;
259 if (!postfixcmp(key, ".remote")) {
260 name = xstrndup(key, strlen(key) - 7);
261 type = REMOTE;
262 } else if (!postfixcmp(key, ".merge")) {
263 name = xstrndup(key, strlen(key) - 6);
264 type = MERGE;
265 } else if (!postfixcmp(key, ".rebase")) {
266 name = xstrndup(key, strlen(key) - 7);
267 type = REBASE;
268 } else
269 return 0;
270
271 item = string_list_insert(&branch_list, name);
272
273 if (!item->util)
274 item->util = xcalloc(sizeof(struct branch_info), 1);
275 info = item->util;
276 if (type == REMOTE) {
277 if (info->remote_name)
278 warning("more than one %s", orig_key);
279 info->remote_name = xstrdup(value);
280 } else if (type == MERGE) {
281 char *space = strchr(value, ' ');
282 value = abbrev_branch(value);
283 while (space) {
284 char *merge;
285 merge = xstrndup(value, space - value);
286 string_list_append(&info->merge, merge);
287 value = abbrev_branch(space + 1);
288 space = strchr(value, ' ');
289 }
290 string_list_append(&info->merge, xstrdup(value));
291 } else
292 info->rebase = git_config_bool(orig_key, value);
293 }
294 return 0;
295 }
296
297 static void read_branches(void)
298 {
299 if (branch_list.nr)
300 return;
301 git_config(config_read_branches, NULL);
302 }
303
304 struct ref_states {
305 struct remote *remote;
306 struct string_list new, stale, tracked, heads, push;
307 int queried;
308 };
309
310 static int get_ref_states(const struct ref *remote_refs, struct ref_states *states)
311 {
312 struct ref *fetch_map = NULL, **tail = &fetch_map;
313 struct ref *ref, *stale_refs;
314 int i;
315
316 for (i = 0; i < states->remote->fetch_refspec_nr; i++)
317 if (get_fetch_map(remote_refs, states->remote->fetch + i, &tail, 1))
318 die("Could not get fetch map for refspec %s",
319 states->remote->fetch_refspec[i]);
320
321 states->new.strdup_strings = 1;
322 states->tracked.strdup_strings = 1;
323 states->stale.strdup_strings = 1;
324 for (ref = fetch_map; ref; ref = ref->next) {
325 unsigned char sha1[20];
326 if (!ref->peer_ref || read_ref(ref->peer_ref->name, sha1))
327 string_list_append(&states->new, abbrev_branch(ref->name));
328 else
329 string_list_append(&states->tracked, abbrev_branch(ref->name));
330 }
331 stale_refs = get_stale_heads(states->remote, fetch_map);
332 for (ref = stale_refs; ref; ref = ref->next) {
333 struct string_list_item *item =
334 string_list_append(&states->stale, abbrev_branch(ref->name));
335 item->util = xstrdup(ref->name);
336 }
337 free_refs(stale_refs);
338 free_refs(fetch_map);
339
340 sort_string_list(&states->new);
341 sort_string_list(&states->tracked);
342 sort_string_list(&states->stale);
343
344 return 0;
345 }
346
347 struct push_info {
348 char *dest;
349 int forced;
350 enum {
351 PUSH_STATUS_CREATE = 0,
352 PUSH_STATUS_DELETE,
353 PUSH_STATUS_UPTODATE,
354 PUSH_STATUS_FASTFORWARD,
355 PUSH_STATUS_OUTOFDATE,
356 PUSH_STATUS_NOTQUERIED
357 } status;
358 };
359
360 static int get_push_ref_states(const struct ref *remote_refs,
361 struct ref_states *states)
362 {
363 struct remote *remote = states->remote;
364 struct ref *ref, *local_refs, *push_map;
365 if (remote->mirror)
366 return 0;
367
368 local_refs = get_local_heads();
369 push_map = copy_ref_list(remote_refs);
370
371 match_refs(local_refs, &push_map, remote->push_refspec_nr,
372 remote->push_refspec, MATCH_REFS_NONE);
373
374 states->push.strdup_strings = 1;
375 for (ref = push_map; ref; ref = ref->next) {
376 struct string_list_item *item;
377 struct push_info *info;
378
379 if (!ref->peer_ref)
380 continue;
381 hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
382
383 item = string_list_append(&states->push,
384 abbrev_branch(ref->peer_ref->name));
385 item->util = xcalloc(sizeof(struct push_info), 1);
386 info = item->util;
387 info->forced = ref->force;
388 info->dest = xstrdup(abbrev_branch(ref->name));
389
390 if (is_null_sha1(ref->new_sha1)) {
391 info->status = PUSH_STATUS_DELETE;
392 } else if (!hashcmp(ref->old_sha1, ref->new_sha1))
393 info->status = PUSH_STATUS_UPTODATE;
394 else if (is_null_sha1(ref->old_sha1))
395 info->status = PUSH_STATUS_CREATE;
396 else if (has_sha1_file(ref->old_sha1) &&
397 ref_newer(ref->new_sha1, ref->old_sha1))
398 info->status = PUSH_STATUS_FASTFORWARD;
399 else
400 info->status = PUSH_STATUS_OUTOFDATE;
401 }
402 free_refs(local_refs);
403 free_refs(push_map);
404 return 0;
405 }
406
407 static int get_push_ref_states_noquery(struct ref_states *states)
408 {
409 int i;
410 struct remote *remote = states->remote;
411 struct string_list_item *item;
412 struct push_info *info;
413
414 if (remote->mirror)
415 return 0;
416
417 states->push.strdup_strings = 1;
418 if (!remote->push_refspec_nr) {
419 item = string_list_append(&states->push, "(matching)");
420 info = item->util = xcalloc(sizeof(struct push_info), 1);
421 info->status = PUSH_STATUS_NOTQUERIED;
422 info->dest = xstrdup(item->string);
423 }
424 for (i = 0; i < remote->push_refspec_nr; i++) {
425 struct refspec *spec = remote->push + i;
426 if (spec->matching)
427 item = string_list_append(&states->push, "(matching)");
428 else if (strlen(spec->src))
429 item = string_list_append(&states->push, spec->src);
430 else
431 item = string_list_append(&states->push, "(delete)");
432
433 info = item->util = xcalloc(sizeof(struct push_info), 1);
434 info->forced = spec->force;
435 info->status = PUSH_STATUS_NOTQUERIED;
436 info->dest = xstrdup(spec->dst ? spec->dst : item->string);
437 }
438 return 0;
439 }
440
441 static int get_head_names(const struct ref *remote_refs, struct ref_states *states)
442 {
443 struct ref *ref, *matches;
444 struct ref *fetch_map = NULL, **fetch_map_tail = &fetch_map;
445 struct refspec refspec;
446
447 refspec.force = 0;
448 refspec.pattern = 1;
449 refspec.src = refspec.dst = "refs/heads/*";
450 states->heads.strdup_strings = 1;
451 get_fetch_map(remote_refs, &refspec, &fetch_map_tail, 0);
452 matches = guess_remote_head(find_ref_by_name(remote_refs, "HEAD"),
453 fetch_map, 1);
454 for (ref = matches; ref; ref = ref->next)
455 string_list_append(&states->heads, abbrev_branch(ref->name));
456
457 free_refs(fetch_map);
458 free_refs(matches);
459
460 return 0;
461 }
462
463 struct known_remote {
464 struct known_remote *next;
465 struct remote *remote;
466 };
467
468 struct known_remotes {
469 struct remote *to_delete;
470 struct known_remote *list;
471 };
472
473 static int add_known_remote(struct remote *remote, void *cb_data)
474 {
475 struct known_remotes *all = cb_data;
476 struct known_remote *r;
477
478 if (!strcmp(all->to_delete->name, remote->name))
479 return 0;
480
481 r = xmalloc(sizeof(*r));
482 r->remote = remote;
483 r->next = all->list;
484 all->list = r;
485 return 0;
486 }
487
488 struct branches_for_remote {
489 struct remote *remote;
490 struct string_list *branches, *skipped;
491 struct known_remotes *keep;
492 };
493
494 static int add_branch_for_removal(const char *refname,
495 const unsigned char *sha1, int flags, void *cb_data)
496 {
497 struct branches_for_remote *branches = cb_data;
498 struct refspec refspec;
499 struct string_list_item *item;
500 struct known_remote *kr;
501
502 memset(&refspec, 0, sizeof(refspec));
503 refspec.dst = (char *)refname;
504 if (remote_find_tracking(branches->remote, &refspec))
505 return 0;
506
507 /* don't delete a branch if another remote also uses it */
508 for (kr = branches->keep->list; kr; kr = kr->next) {
509 memset(&refspec, 0, sizeof(refspec));
510 refspec.dst = (char *)refname;
511 if (!remote_find_tracking(kr->remote, &refspec))
512 return 0;
513 }
514
515 /* don't delete non-remote-tracking refs */
516 if (prefixcmp(refname, "refs/remotes")) {
517 /* advise user how to delete local branches */
518 if (!prefixcmp(refname, "refs/heads/"))
519 string_list_append(branches->skipped,
520 abbrev_branch(refname));
521 /* silently skip over other non-remote refs */
522 return 0;
523 }
524
525 /* make sure that symrefs are deleted */
526 if (flags & REF_ISSYMREF)
527 return unlink(git_path("%s", refname));
528
529 item = string_list_append(branches->branches, refname);
530 item->util = xmalloc(20);
531 hashcpy(item->util, sha1);
532
533 return 0;
534 }
535
536 struct rename_info {
537 const char *old;
538 const char *new;
539 struct string_list *remote_branches;
540 };
541
542 static int read_remote_branches(const char *refname,
543 const unsigned char *sha1, int flags, void *cb_data)
544 {
545 struct rename_info *rename = cb_data;
546 struct strbuf buf = STRBUF_INIT;
547 struct string_list_item *item;
548 int flag;
549 unsigned char orig_sha1[20];
550 const char *symref;
551
552 strbuf_addf(&buf, "refs/remotes/%s", rename->old);
553 if (!prefixcmp(refname, buf.buf)) {
554 item = string_list_append(rename->remote_branches, xstrdup(refname));
555 symref = resolve_ref(refname, orig_sha1, 1, &flag);
556 if (flag & REF_ISSYMREF)
557 item->util = xstrdup(symref);
558 else
559 item->util = NULL;
560 }
561
562 return 0;
563 }
564
565 static int migrate_file(struct remote *remote)
566 {
567 struct strbuf buf = STRBUF_INIT;
568 int i;
569 char *path = NULL;
570
571 strbuf_addf(&buf, "remote.%s.url", remote->name);
572 for (i = 0; i < remote->url_nr; i++)
573 if (git_config_set_multivar(buf.buf, remote->url[i], "^$", 0))
574 return error("Could not append '%s' to '%s'",
575 remote->url[i], buf.buf);
576 strbuf_reset(&buf);
577 strbuf_addf(&buf, "remote.%s.push", remote->name);
578 for (i = 0; i < remote->push_refspec_nr; i++)
579 if (git_config_set_multivar(buf.buf, remote->push_refspec[i], "^$", 0))
580 return error("Could not append '%s' to '%s'",
581 remote->push_refspec[i], buf.buf);
582 strbuf_reset(&buf);
583 strbuf_addf(&buf, "remote.%s.fetch", remote->name);
584 for (i = 0; i < remote->fetch_refspec_nr; i++)
585 if (git_config_set_multivar(buf.buf, remote->fetch_refspec[i], "^$", 0))
586 return error("Could not append '%s' to '%s'",
587 remote->fetch_refspec[i], buf.buf);
588 if (remote->origin == REMOTE_REMOTES)
589 path = git_path("remotes/%s", remote->name);
590 else if (remote->origin == REMOTE_BRANCHES)
591 path = git_path("branches/%s", remote->name);
592 if (path)
593 unlink_or_warn(path);
594 return 0;
595 }
596
597 static int mv(int argc, const char **argv)
598 {
599 struct option options[] = {
600 OPT_END()
601 };
602 struct remote *oldremote, *newremote;
603 struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT, buf3 = STRBUF_INIT;
604 struct string_list remote_branches = STRING_LIST_INIT_NODUP;
605 struct rename_info rename;
606 int i;
607
608 if (argc != 3)
609 usage_with_options(builtin_remote_rename_usage, options);
610
611 rename.old = argv[1];
612 rename.new = argv[2];
613 rename.remote_branches = &remote_branches;
614
615 oldremote = remote_get(rename.old);
616 if (!oldremote)
617 die("No such remote: %s", rename.old);
618
619 if (!strcmp(rename.old, rename.new) && oldremote->origin != REMOTE_CONFIG)
620 return migrate_file(oldremote);
621
622 newremote = remote_get(rename.new);
623 if (newremote && (newremote->url_nr > 1 || newremote->fetch_refspec_nr))
624 die("remote %s already exists.", rename.new);
625
626 strbuf_addf(&buf, "refs/heads/test:refs/remotes/%s/test", rename.new);
627 if (!valid_fetch_refspec(buf.buf))
628 die("'%s' is not a valid remote name", rename.new);
629
630 strbuf_reset(&buf);
631 strbuf_addf(&buf, "remote.%s", rename.old);
632 strbuf_addf(&buf2, "remote.%s", rename.new);
633 if (git_config_rename_section(buf.buf, buf2.buf) < 1)
634 return error("Could not rename config section '%s' to '%s'",
635 buf.buf, buf2.buf);
636
637 strbuf_reset(&buf);
638 strbuf_addf(&buf, "remote.%s.fetch", rename.new);
639 if (git_config_set_multivar(buf.buf, NULL, NULL, 1))
640 return error("Could not remove config section '%s'", buf.buf);
641 for (i = 0; i < oldremote->fetch_refspec_nr; i++) {
642 char *ptr;
643
644 strbuf_reset(&buf2);
645 strbuf_addstr(&buf2, oldremote->fetch_refspec[i]);
646 ptr = strstr(buf2.buf, rename.old);
647 if (ptr)
648 strbuf_splice(&buf2, ptr-buf2.buf, strlen(rename.old),
649 rename.new, strlen(rename.new));
650 if (git_config_set_multivar(buf.buf, buf2.buf, "^$", 0))
651 return error("Could not append '%s'", buf.buf);
652 }
653
654 read_branches();
655 for (i = 0; i < branch_list.nr; i++) {
656 struct string_list_item *item = branch_list.items + i;
657 struct branch_info *info = item->util;
658 if (info->remote_name && !strcmp(info->remote_name, rename.old)) {
659 strbuf_reset(&buf);
660 strbuf_addf(&buf, "branch.%s.remote", item->string);
661 if (git_config_set(buf.buf, rename.new)) {
662 return error("Could not set '%s'", buf.buf);
663 }
664 }
665 }
666
667 /*
668 * First remove symrefs, then rename the rest, finally create
669 * the new symrefs.
670 */
671 for_each_ref(read_remote_branches, &rename);
672 for (i = 0; i < remote_branches.nr; i++) {
673 struct string_list_item *item = remote_branches.items + i;
674 int flag = 0;
675 unsigned char sha1[20];
676
677 resolve_ref(item->string, sha1, 1, &flag);
678 if (!(flag & REF_ISSYMREF))
679 continue;
680 if (delete_ref(item->string, NULL, REF_NODEREF))
681 die("deleting '%s' failed", item->string);
682 }
683 for (i = 0; i < remote_branches.nr; i++) {
684 struct string_list_item *item = remote_branches.items + i;
685
686 if (item->util)
687 continue;
688 strbuf_reset(&buf);
689 strbuf_addstr(&buf, item->string);
690 strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
691 rename.new, strlen(rename.new));
692 strbuf_reset(&buf2);
693 strbuf_addf(&buf2, "remote: renamed %s to %s",
694 item->string, buf.buf);
695 if (rename_ref(item->string, buf.buf, buf2.buf))
696 die("renaming '%s' failed", item->string);
697 }
698 for (i = 0; i < remote_branches.nr; i++) {
699 struct string_list_item *item = remote_branches.items + i;
700
701 if (!item->util)
702 continue;
703 strbuf_reset(&buf);
704 strbuf_addstr(&buf, item->string);
705 strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
706 rename.new, strlen(rename.new));
707 strbuf_reset(&buf2);
708 strbuf_addstr(&buf2, item->util);
709 strbuf_splice(&buf2, strlen("refs/remotes/"), strlen(rename.old),
710 rename.new, strlen(rename.new));
711 strbuf_reset(&buf3);
712 strbuf_addf(&buf3, "remote: renamed %s to %s",
713 item->string, buf.buf);
714 if (create_symref(buf.buf, buf2.buf, buf3.buf))
715 die("creating '%s' failed", buf.buf);
716 }
717 return 0;
718 }
719
720 static int remove_branches(struct string_list *branches)
721 {
722 int i, result = 0;
723 for (i = 0; i < branches->nr; i++) {
724 struct string_list_item *item = branches->items + i;
725 const char *refname = item->string;
726 unsigned char *sha1 = item->util;
727
728 if (delete_ref(refname, sha1, 0))
729 result |= error("Could not remove branch %s", refname);
730 }
731 return result;
732 }
733
734 static int rm(int argc, const char **argv)
735 {
736 struct option options[] = {
737 OPT_END()
738 };
739 struct remote *remote;
740 struct strbuf buf = STRBUF_INIT;
741 struct known_remotes known_remotes = { NULL, NULL };
742 struct string_list branches = STRING_LIST_INIT_DUP;
743 struct string_list skipped = STRING_LIST_INIT_DUP;
744 struct branches_for_remote cb_data;
745 int i, result;
746
747 memset(&cb_data, 0, sizeof(cb_data));
748 cb_data.branches = &branches;
749 cb_data.skipped = &skipped;
750 cb_data.keep = &known_remotes;
751
752 if (argc != 2)
753 usage_with_options(builtin_remote_rm_usage, options);
754
755 remote = remote_get(argv[1]);
756 if (!remote)
757 die("No such remote: %s", argv[1]);
758
759 known_remotes.to_delete = remote;
760 for_each_remote(add_known_remote, &known_remotes);
761
762 strbuf_addf(&buf, "remote.%s", remote->name);
763 if (git_config_rename_section(buf.buf, NULL) < 1)
764 return error("Could not remove config section '%s'", buf.buf);
765
766 read_branches();
767 for (i = 0; i < branch_list.nr; i++) {
768 struct string_list_item *item = branch_list.items + i;
769 struct branch_info *info = item->util;
770 if (info->remote_name && !strcmp(info->remote_name, remote->name)) {
771 const char *keys[] = { "remote", "merge", NULL }, **k;
772 for (k = keys; *k; k++) {
773 strbuf_reset(&buf);
774 strbuf_addf(&buf, "branch.%s.%s",
775 item->string, *k);
776 if (git_config_set(buf.buf, NULL)) {
777 strbuf_release(&buf);
778 return -1;
779 }
780 }
781 }
782 }
783
784 /*
785 * We cannot just pass a function to for_each_ref() which deletes
786 * the branches one by one, since for_each_ref() relies on cached
787 * refs, which are invalidated when deleting a branch.
788 */
789 cb_data.remote = remote;
790 result = for_each_ref(add_branch_for_removal, &cb_data);
791 strbuf_release(&buf);
792
793 if (!result)
794 result = remove_branches(&branches);
795 string_list_clear(&branches, 1);
796
797 if (skipped.nr) {
798 fprintf(stderr, skipped.nr == 1 ?
799 "Note: A branch outside the refs/remotes/ hierarchy was not removed;\n"
800 "to delete it, use:\n" :
801 "Note: Some branches outside the refs/remotes/ hierarchy were not removed;\n"
802 "to delete them, use:\n");
803 for (i = 0; i < skipped.nr; i++)
804 fprintf(stderr, " git branch -d %s\n",
805 skipped.items[i].string);
806 }
807 string_list_clear(&skipped, 0);
808
809 return result;
810 }
811
812 static void clear_push_info(void *util, const char *string)
813 {
814 struct push_info *info = util;
815 free(info->dest);
816 free(info);
817 }
818
819 static void free_remote_ref_states(struct ref_states *states)
820 {
821 string_list_clear(&states->new, 0);
822 string_list_clear(&states->stale, 1);
823 string_list_clear(&states->tracked, 0);
824 string_list_clear(&states->heads, 0);
825 string_list_clear_func(&states->push, clear_push_info);
826 }
827
828 static int append_ref_to_tracked_list(const char *refname,
829 const unsigned char *sha1, int flags, void *cb_data)
830 {
831 struct ref_states *states = cb_data;
832 struct refspec refspec;
833
834 if (flags & REF_ISSYMREF)
835 return 0;
836
837 memset(&refspec, 0, sizeof(refspec));
838 refspec.dst = (char *)refname;
839 if (!remote_find_tracking(states->remote, &refspec))
840 string_list_append(&states->tracked, abbrev_branch(refspec.src));
841
842 return 0;
843 }
844
845 static int get_remote_ref_states(const char *name,
846 struct ref_states *states,
847 int query)
848 {
849 struct transport *transport;
850 const struct ref *remote_refs;
851
852 states->remote = remote_get(name);
853 if (!states->remote)
854 return error("No such remote: %s", name);
855
856 read_branches();
857
858 if (query) {
859 transport = transport_get(states->remote, states->remote->url_nr > 0 ?
860 states->remote->url[0] : NULL);
861 remote_refs = transport_get_remote_refs(transport);
862 transport_disconnect(transport);
863
864 states->queried = 1;
865 if (query & GET_REF_STATES)
866 get_ref_states(remote_refs, states);
867 if (query & GET_HEAD_NAMES)
868 get_head_names(remote_refs, states);
869 if (query & GET_PUSH_REF_STATES)
870 get_push_ref_states(remote_refs, states);
871 } else {
872 for_each_ref(append_ref_to_tracked_list, states);
873 sort_string_list(&states->tracked);
874 get_push_ref_states_noquery(states);
875 }
876
877 return 0;
878 }
879
880 struct show_info {
881 struct string_list *list;
882 struct ref_states *states;
883 int width, width2;
884 int any_rebase;
885 };
886
887 static int add_remote_to_show_info(struct string_list_item *item, void *cb_data)
888 {
889 struct show_info *info = cb_data;
890 int n = strlen(item->string);
891 if (n > info->width)
892 info->width = n;
893 string_list_insert(info->list, item->string);
894 return 0;
895 }
896
897 static int show_remote_info_item(struct string_list_item *item, void *cb_data)
898 {
899 struct show_info *info = cb_data;
900 struct ref_states *states = info->states;
901 const char *name = item->string;
902
903 if (states->queried) {
904 const char *fmt = "%s";
905 const char *arg = "";
906 if (string_list_has_string(&states->new, name)) {
907 fmt = " new (next fetch will store in remotes/%s)";
908 arg = states->remote->name;
909 } else if (string_list_has_string(&states->tracked, name))
910 arg = " tracked";
911 else if (string_list_has_string(&states->stale, name))
912 arg = " stale (use 'git remote prune' to remove)";
913 else
914 arg = " ???";
915 printf(" %-*s", info->width, name);
916 printf(fmt, arg);
917 printf("\n");
918 } else
919 printf(" %s\n", name);
920
921 return 0;
922 }
923
924 static int add_local_to_show_info(struct string_list_item *branch_item, void *cb_data)
925 {
926 struct show_info *show_info = cb_data;
927 struct ref_states *states = show_info->states;
928 struct branch_info *branch_info = branch_item->util;
929 struct string_list_item *item;
930 int n;
931
932 if (!branch_info->merge.nr || !branch_info->remote_name ||
933 strcmp(states->remote->name, branch_info->remote_name))
934 return 0;
935 if ((n = strlen(branch_item->string)) > show_info->width)
936 show_info->width = n;
937 if (branch_info->rebase)
938 show_info->any_rebase = 1;
939
940 item = string_list_insert(show_info->list, branch_item->string);
941 item->util = branch_info;
942
943 return 0;
944 }
945
946 static int show_local_info_item(struct string_list_item *item, void *cb_data)
947 {
948 struct show_info *show_info = cb_data;
949 struct branch_info *branch_info = item->util;
950 struct string_list *merge = &branch_info->merge;
951 const char *also;
952 int i;
953
954 if (branch_info->rebase && branch_info->merge.nr > 1) {
955 error("invalid branch.%s.merge; cannot rebase onto > 1 branch",
956 item->string);
957 return 0;
958 }
959
960 printf(" %-*s ", show_info->width, item->string);
961 if (branch_info->rebase) {
962 printf("rebases onto remote %s\n", merge->items[0].string);
963 return 0;
964 } else if (show_info->any_rebase) {
965 printf(" merges with remote %s\n", merge->items[0].string);
966 also = " and with remote";
967 } else {
968 printf("merges with remote %s\n", merge->items[0].string);
969 also = " and with remote";
970 }
971 for (i = 1; i < merge->nr; i++)
972 printf(" %-*s %s %s\n", show_info->width, "", also,
973 merge->items[i].string);
974
975 return 0;
976 }
977
978 static int add_push_to_show_info(struct string_list_item *push_item, void *cb_data)
979 {
980 struct show_info *show_info = cb_data;
981 struct push_info *push_info = push_item->util;
982 struct string_list_item *item;
983 int n;
984 if ((n = strlen(push_item->string)) > show_info->width)
985 show_info->width = n;
986 if ((n = strlen(push_info->dest)) > show_info->width2)
987 show_info->width2 = n;
988 item = string_list_append(show_info->list, push_item->string);
989 item->util = push_item->util;
990 return 0;
991 }
992
993 /*
994 * Sorting comparison for a string list that has push_info
995 * structs in its util field
996 */
997 static int cmp_string_with_push(const void *va, const void *vb)
998 {
999 const struct string_list_item *a = va;
1000 const struct string_list_item *b = vb;
1001 const struct push_info *a_push = a->util;
1002 const struct push_info *b_push = b->util;
1003 int cmp = strcmp(a->string, b->string);
1004 return cmp ? cmp : strcmp(a_push->dest, b_push->dest);
1005 }
1006
1007 static int show_push_info_item(struct string_list_item *item, void *cb_data)
1008 {
1009 struct show_info *show_info = cb_data;
1010 struct push_info *push_info = item->util;
1011 char *src = item->string, *status = NULL;
1012
1013 switch (push_info->status) {
1014 case PUSH_STATUS_CREATE:
1015 status = "create";
1016 break;
1017 case PUSH_STATUS_DELETE:
1018 status = "delete";
1019 src = "(none)";
1020 break;
1021 case PUSH_STATUS_UPTODATE:
1022 status = "up to date";
1023 break;
1024 case PUSH_STATUS_FASTFORWARD:
1025 status = "fast-forwardable";
1026 break;
1027 case PUSH_STATUS_OUTOFDATE:
1028 status = "local out of date";
1029 break;
1030 case PUSH_STATUS_NOTQUERIED:
1031 break;
1032 }
1033 if (status)
1034 printf(" %-*s %s to %-*s (%s)\n", show_info->width, src,
1035 push_info->forced ? "forces" : "pushes",
1036 show_info->width2, push_info->dest, status);
1037 else
1038 printf(" %-*s %s to %s\n", show_info->width, src,
1039 push_info->forced ? "forces" : "pushes",
1040 push_info->dest);
1041 return 0;
1042 }
1043
1044 static int show(int argc, const char **argv)
1045 {
1046 int no_query = 0, result = 0, query_flag = 0;
1047 struct option options[] = {
1048 OPT_BOOLEAN('n', NULL, &no_query, "do not query remotes"),
1049 OPT_END()
1050 };
1051 struct ref_states states;
1052 struct string_list info_list = STRING_LIST_INIT_NODUP;
1053 struct show_info info;
1054
1055 argc = parse_options(argc, argv, NULL, options, builtin_remote_show_usage,
1056 0);
1057
1058 if (argc < 1)
1059 return show_all();
1060
1061 if (!no_query)
1062 query_flag = (GET_REF_STATES | GET_HEAD_NAMES | GET_PUSH_REF_STATES);
1063
1064 memset(&states, 0, sizeof(states));
1065 memset(&info, 0, sizeof(info));
1066 info.states = &states;
1067 info.list = &info_list;
1068 for (; argc; argc--, argv++) {
1069 int i;
1070 const char **url;
1071 int url_nr;
1072
1073 get_remote_ref_states(*argv, &states, query_flag);
1074
1075 printf("* remote %s\n", *argv);
1076 printf(" Fetch URL: %s\n", states.remote->url_nr > 0 ?
1077 states.remote->url[0] : "(no URL)");
1078 if (states.remote->pushurl_nr) {
1079 url = states.remote->pushurl;
1080 url_nr = states.remote->pushurl_nr;
1081 } else {
1082 url = states.remote->url;
1083 url_nr = states.remote->url_nr;
1084 }
1085 for (i=0; i < url_nr; i++)
1086 printf(" Push URL: %s\n", url[i]);
1087 if (!i)
1088 printf(" Push URL: %s\n", "(no URL)");
1089 if (no_query)
1090 printf(" HEAD branch: (not queried)\n");
1091 else if (!states.heads.nr)
1092 printf(" HEAD branch: (unknown)\n");
1093 else if (states.heads.nr == 1)
1094 printf(" HEAD branch: %s\n", states.heads.items[0].string);
1095 else {
1096 printf(" HEAD branch (remote HEAD is ambiguous,"
1097 " may be one of the following):\n");
1098 for (i = 0; i < states.heads.nr; i++)
1099 printf(" %s\n", states.heads.items[i].string);
1100 }
1101
1102 /* remote branch info */
1103 info.width = 0;
1104 for_each_string_list(&states.new, add_remote_to_show_info, &info);
1105 for_each_string_list(&states.tracked, add_remote_to_show_info, &info);
1106 for_each_string_list(&states.stale, add_remote_to_show_info, &info);
1107 if (info.list->nr)
1108 printf(" Remote branch%s:%s\n",
1109 info.list->nr > 1 ? "es" : "",
1110 no_query ? " (status not queried)" : "");
1111 for_each_string_list(info.list, show_remote_info_item, &info);
1112 string_list_clear(info.list, 0);
1113
1114 /* git pull info */
1115 info.width = 0;
1116 info.any_rebase = 0;
1117 for_each_string_list(&branch_list, add_local_to_show_info, &info);
1118 if (info.list->nr)
1119 printf(" Local branch%s configured for 'git pull':\n",
1120 info.list->nr > 1 ? "es" : "");
1121 for_each_string_list(info.list, show_local_info_item, &info);
1122 string_list_clear(info.list, 0);
1123
1124 /* git push info */
1125 if (states.remote->mirror)
1126 printf(" Local refs will be mirrored by 'git push'\n");
1127
1128 info.width = info.width2 = 0;
1129 for_each_string_list(&states.push, add_push_to_show_info, &info);
1130 qsort(info.list->items, info.list->nr,
1131 sizeof(*info.list->items), cmp_string_with_push);
1132 if (info.list->nr)
1133 printf(" Local ref%s configured for 'git push'%s:\n",
1134 info.list->nr > 1 ? "s" : "",
1135 no_query ? " (status not queried)" : "");
1136 for_each_string_list(info.list, show_push_info_item, &info);
1137 string_list_clear(info.list, 0);
1138
1139 free_remote_ref_states(&states);
1140 }
1141
1142 return result;
1143 }
1144
1145 static int set_head(int argc, const char **argv)
1146 {
1147 int i, opt_a = 0, opt_d = 0, result = 0;
1148 struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
1149 char *head_name = NULL;
1150
1151 struct option options[] = {
1152 OPT_BOOLEAN('a', "auto", &opt_a,
1153 "set refs/remotes/<name>/HEAD according to remote"),
1154 OPT_BOOLEAN('d', "delete", &opt_d,
1155 "delete refs/remotes/<name>/HEAD"),
1156 OPT_END()
1157 };
1158 argc = parse_options(argc, argv, NULL, options, builtin_remote_sethead_usage,
1159 0);
1160 if (argc)
1161 strbuf_addf(&buf, "refs/remotes/%s/HEAD", argv[0]);
1162
1163 if (!opt_a && !opt_d && argc == 2) {
1164 head_name = xstrdup(argv[1]);
1165 } else if (opt_a && !opt_d && argc == 1) {
1166 struct ref_states states;
1167 memset(&states, 0, sizeof(states));
1168 get_remote_ref_states(argv[0], &states, GET_HEAD_NAMES);
1169 if (!states.heads.nr)
1170 result |= error("Cannot determine remote HEAD");
1171 else if (states.heads.nr > 1) {
1172 result |= error("Multiple remote HEAD branches. "
1173 "Please choose one explicitly with:");
1174 for (i = 0; i < states.heads.nr; i++)
1175 fprintf(stderr, " git remote set-head %s %s\n",
1176 argv[0], states.heads.items[i].string);
1177 } else
1178 head_name = xstrdup(states.heads.items[0].string);
1179 free_remote_ref_states(&states);
1180 } else if (opt_d && !opt_a && argc == 1) {
1181 if (delete_ref(buf.buf, NULL, REF_NODEREF))
1182 result |= error("Could not delete %s", buf.buf);
1183 } else
1184 usage_with_options(builtin_remote_sethead_usage, options);
1185
1186 if (head_name) {
1187 unsigned char sha1[20];
1188 strbuf_addf(&buf2, "refs/remotes/%s/%s", argv[0], head_name);
1189 /* make sure it's valid */
1190 if (!resolve_ref(buf2.buf, sha1, 1, NULL))
1191 result |= error("Not a valid ref: %s", buf2.buf);
1192 else if (create_symref(buf.buf, buf2.buf, "remote set-head"))
1193 result |= error("Could not setup %s", buf.buf);
1194 if (opt_a)
1195 printf("%s/HEAD set to %s\n", argv[0], head_name);
1196 free(head_name);
1197 }
1198
1199 strbuf_release(&buf);
1200 strbuf_release(&buf2);
1201 return result;
1202 }
1203
1204 static int prune(int argc, const char **argv)
1205 {
1206 int dry_run = 0, result = 0;
1207 struct option options[] = {
1208 OPT__DRY_RUN(&dry_run, "dry run"),
1209 OPT_END()
1210 };
1211
1212 argc = parse_options(argc, argv, NULL, options, builtin_remote_prune_usage,
1213 0);
1214
1215 if (argc < 1)
1216 usage_with_options(builtin_remote_prune_usage, options);
1217
1218 for (; argc; argc--, argv++)
1219 result |= prune_remote(*argv, dry_run);
1220
1221 return result;
1222 }
1223
1224 static int prune_remote(const char *remote, int dry_run)
1225 {
1226 int result = 0, i;
1227 struct ref_states states;
1228 const char *dangling_msg = dry_run
1229 ? " %s will become dangling!\n"
1230 : " %s has become dangling!\n";
1231
1232 memset(&states, 0, sizeof(states));
1233 get_remote_ref_states(remote, &states, GET_REF_STATES);
1234
1235 if (states.stale.nr) {
1236 printf("Pruning %s\n", remote);
1237 printf("URL: %s\n",
1238 states.remote->url_nr
1239 ? states.remote->url[0]
1240 : "(no URL)");
1241 }
1242
1243 for (i = 0; i < states.stale.nr; i++) {
1244 const char *refname = states.stale.items[i].util;
1245
1246 if (!dry_run)
1247 result |= delete_ref(refname, NULL, 0);
1248
1249 printf(" * [%s] %s\n", dry_run ? "would prune" : "pruned",
1250 abbrev_ref(refname, "refs/remotes/"));
1251 warn_dangling_symref(stdout, dangling_msg, refname);
1252 }
1253
1254 free_remote_ref_states(&states);
1255 return result;
1256 }
1257
1258 static int get_remote_default(const char *key, const char *value, void *priv)
1259 {
1260 if (strcmp(key, "remotes.default") == 0) {
1261 int *found = priv;
1262 *found = 1;
1263 }
1264 return 0;
1265 }
1266
1267 static int update(int argc, const char **argv)
1268 {
1269 int i, prune = 0;
1270 struct option options[] = {
1271 OPT_BOOLEAN('p', "prune", &prune,
1272 "prune remotes after fetching"),
1273 OPT_END()
1274 };
1275 const char **fetch_argv;
1276 int fetch_argc = 0;
1277 int default_defined = 0;
1278
1279 fetch_argv = xmalloc(sizeof(char *) * (argc+5));
1280
1281 argc = parse_options(argc, argv, NULL, options, builtin_remote_update_usage,
1282 PARSE_OPT_KEEP_ARGV0);
1283
1284 fetch_argv[fetch_argc++] = "fetch";
1285
1286 if (prune)
1287 fetch_argv[fetch_argc++] = "--prune";
1288 if (verbose)
1289 fetch_argv[fetch_argc++] = "-v";
1290 fetch_argv[fetch_argc++] = "--multiple";
1291 if (argc < 2)
1292 fetch_argv[fetch_argc++] = "default";
1293 for (i = 1; i < argc; i++)
1294 fetch_argv[fetch_argc++] = argv[i];
1295
1296 if (strcmp(fetch_argv[fetch_argc-1], "default") == 0) {
1297 git_config(get_remote_default, &default_defined);
1298 if (!default_defined)
1299 fetch_argv[fetch_argc-1] = "--all";
1300 }
1301
1302 fetch_argv[fetch_argc] = NULL;
1303
1304 return run_command_v_opt(fetch_argv, RUN_GIT_CMD);
1305 }
1306
1307 static int remove_all_fetch_refspecs(const char *remote, const char *key)
1308 {
1309 return git_config_set_multivar(key, NULL, NULL, 1);
1310 }
1311
1312 static int add_branches(struct remote *remote, const char **branches,
1313 const char *key)
1314 {
1315 const char *remotename = remote->name;
1316 int mirror = remote->mirror;
1317 struct strbuf refspec = STRBUF_INIT;
1318
1319 for (; *branches; branches++)
1320 if (add_branch(key, *branches, remotename, mirror, &refspec)) {
1321 strbuf_release(&refspec);
1322 return 1;
1323 }
1324
1325 strbuf_release(&refspec);
1326 return 0;
1327 }
1328
1329 static int set_remote_branches(const char *remotename, const char **branches,
1330 int add_mode)
1331 {
1332 struct strbuf key = STRBUF_INIT;
1333 struct remote *remote;
1334
1335 strbuf_addf(&key, "remote.%s.fetch", remotename);
1336
1337 if (!remote_is_configured(remotename))
1338 die("No such remote '%s'", remotename);
1339 remote = remote_get(remotename);
1340
1341 if (!add_mode && remove_all_fetch_refspecs(remotename, key.buf)) {
1342 strbuf_release(&key);
1343 return 1;
1344 }
1345 if (add_branches(remote, branches, key.buf)) {
1346 strbuf_release(&key);
1347 return 1;
1348 }
1349
1350 strbuf_release(&key);
1351 return 0;
1352 }
1353
1354 static int set_branches(int argc, const char **argv)
1355 {
1356 int add_mode = 0;
1357 struct option options[] = {
1358 OPT_BOOLEAN('\0', "add", &add_mode, "add branch"),
1359 OPT_END()
1360 };
1361
1362 argc = parse_options(argc, argv, NULL, options,
1363 builtin_remote_setbranches_usage, 0);
1364 if (argc == 0) {
1365 error("no remote specified");
1366 usage_with_options(builtin_remote_seturl_usage, options);
1367 }
1368 argv[argc] = NULL;
1369
1370 return set_remote_branches(argv[0], argv + 1, add_mode);
1371 }
1372
1373 static int set_url(int argc, const char **argv)
1374 {
1375 int i, push_mode = 0, add_mode = 0, delete_mode = 0;
1376 int matches = 0, negative_matches = 0;
1377 const char *remotename = NULL;
1378 const char *newurl = NULL;
1379 const char *oldurl = NULL;
1380 struct remote *remote;
1381 regex_t old_regex;
1382 const char **urlset;
1383 int urlset_nr;
1384 struct strbuf name_buf = STRBUF_INIT;
1385 struct option options[] = {
1386 OPT_BOOLEAN('\0', "push", &push_mode,
1387 "manipulate push URLs"),
1388 OPT_BOOLEAN('\0', "add", &add_mode,
1389 "add URL"),
1390 OPT_BOOLEAN('\0', "delete", &delete_mode,
1391 "delete URLs"),
1392 OPT_END()
1393 };
1394 argc = parse_options(argc, argv, NULL, options, builtin_remote_update_usage,
1395 PARSE_OPT_KEEP_ARGV0);
1396
1397 if (add_mode && delete_mode)
1398 die("--add --delete doesn't make sense");
1399
1400 if (argc < 3 || argc > 4 || ((add_mode || delete_mode) && argc != 3))
1401 usage_with_options(builtin_remote_seturl_usage, options);
1402
1403 remotename = argv[1];
1404 newurl = argv[2];
1405 if (argc > 3)
1406 oldurl = argv[3];
1407
1408 if (delete_mode)
1409 oldurl = newurl;
1410
1411 if (!remote_is_configured(remotename))
1412 die("No such remote '%s'", remotename);
1413 remote = remote_get(remotename);
1414
1415 if (push_mode) {
1416 strbuf_addf(&name_buf, "remote.%s.pushurl", remotename);
1417 urlset = remote->pushurl;
1418 urlset_nr = remote->pushurl_nr;
1419 } else {
1420 strbuf_addf(&name_buf, "remote.%s.url", remotename);
1421 urlset = remote->url;
1422 urlset_nr = remote->url_nr;
1423 }
1424
1425 /* Special cases that add new entry. */
1426 if ((!oldurl && !delete_mode) || add_mode) {
1427 if (add_mode)
1428 git_config_set_multivar(name_buf.buf, newurl,
1429 "^$", 0);
1430 else
1431 git_config_set(name_buf.buf, newurl);
1432 strbuf_release(&name_buf);
1433 return 0;
1434 }
1435
1436 /* Old URL specified. Demand that one matches. */
1437 if (regcomp(&old_regex, oldurl, REG_EXTENDED))
1438 die("Invalid old URL pattern: %s", oldurl);
1439
1440 for (i = 0; i < urlset_nr; i++)
1441 if (!regexec(&old_regex, urlset[i], 0, NULL, 0))
1442 matches++;
1443 else
1444 negative_matches++;
1445 if (!delete_mode && !matches)
1446 die("No such URL found: %s", oldurl);
1447 if (delete_mode && !negative_matches && !push_mode)
1448 die("Will not delete all non-push URLs");
1449
1450 regfree(&old_regex);
1451
1452 if (!delete_mode)
1453 git_config_set_multivar(name_buf.buf, newurl, oldurl, 0);
1454 else
1455 git_config_set_multivar(name_buf.buf, NULL, oldurl, 1);
1456 return 0;
1457 }
1458
1459 static int get_one_entry(struct remote *remote, void *priv)
1460 {
1461 struct string_list *list = priv;
1462 struct strbuf url_buf = STRBUF_INIT;
1463 const char **url;
1464 int i, url_nr;
1465
1466 if (remote->url_nr > 0) {
1467 strbuf_addf(&url_buf, "%s (fetch)", remote->url[0]);
1468 string_list_append(list, remote->name)->util =
1469 strbuf_detach(&url_buf, NULL);
1470 } else
1471 string_list_append(list, remote->name)->util = NULL;
1472 if (remote->pushurl_nr) {
1473 url = remote->pushurl;
1474 url_nr = remote->pushurl_nr;
1475 } else {
1476 url = remote->url;
1477 url_nr = remote->url_nr;
1478 }
1479 for (i = 0; i < url_nr; i++)
1480 {
1481 strbuf_addf(&url_buf, "%s (push)", url[i]);
1482 string_list_append(list, remote->name)->util =
1483 strbuf_detach(&url_buf, NULL);
1484 }
1485
1486 return 0;
1487 }
1488
1489 static int show_all(void)
1490 {
1491 struct string_list list = STRING_LIST_INIT_NODUP;
1492 int result;
1493
1494 list.strdup_strings = 1;
1495 result = for_each_remote(get_one_entry, &list);
1496
1497 if (!result) {
1498 int i;
1499
1500 sort_string_list(&list);
1501 for (i = 0; i < list.nr; i++) {
1502 struct string_list_item *item = list.items + i;
1503 if (verbose)
1504 printf("%s\t%s\n", item->string,
1505 item->util ? (const char *)item->util : "");
1506 else {
1507 if (i && !strcmp((item - 1)->string, item->string))
1508 continue;
1509 printf("%s\n", item->string);
1510 }
1511 }
1512 }
1513 string_list_clear(&list, 1);
1514 return result;
1515 }
1516
1517 int cmd_remote(int argc, const char **argv, const char *prefix)
1518 {
1519 struct option options[] = {
1520 OPT__VERBOSE(&verbose, "be verbose; must be placed before a subcommand"),
1521 OPT_END()
1522 };
1523 int result;
1524
1525 argc = parse_options(argc, argv, prefix, options, builtin_remote_usage,
1526 PARSE_OPT_STOP_AT_NON_OPTION);
1527
1528 if (argc < 1)
1529 result = show_all();
1530 else if (!strcmp(argv[0], "add"))
1531 result = add(argc, argv);
1532 else if (!strcmp(argv[0], "rename"))
1533 result = mv(argc, argv);
1534 else if (!strcmp(argv[0], "rm"))
1535 result = rm(argc, argv);
1536 else if (!strcmp(argv[0], "set-head"))
1537 result = set_head(argc, argv);
1538 else if (!strcmp(argv[0], "set-branches"))
1539 result = set_branches(argc, argv);
1540 else if (!strcmp(argv[0], "set-url"))
1541 result = set_url(argc, argv);
1542 else if (!strcmp(argv[0], "show"))
1543 result = show(argc, argv);
1544 else if (!strcmp(argv[0], "prune"))
1545 result = prune(argc, argv);
1546 else if (!strcmp(argv[0], "update"))
1547 result = update(argc, argv);
1548 else {
1549 error("Unknown subcommand: %s", argv[0]);
1550 usage_with_options(builtin_remote_usage, options);
1551 }
1552
1553 return result ? 1 : 0;
1554 }