remote: separate the concept of push and fetch mirrors
[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=<fetch|push>] <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 #define MIRROR_NONE 0
121 #define MIRROR_FETCH 1
122 #define MIRROR_PUSH 2
123 #define MIRROR_BOTH (MIRROR_FETCH|MIRROR_PUSH)
124
125 static int add_branch(const char *key, const char *branchname,
126 const char *remotename, int mirror, struct strbuf *tmp)
127 {
128 strbuf_reset(tmp);
129 strbuf_addch(tmp, '+');
130 if (mirror)
131 strbuf_addf(tmp, "refs/%s:refs/%s",
132 branchname, branchname);
133 else
134 strbuf_addf(tmp, "refs/heads/%s:refs/remotes/%s/%s",
135 branchname, remotename, branchname);
136 return git_config_set_multivar(key, tmp->buf, "^$", 0);
137 }
138
139 static int parse_mirror_opt(const struct option *opt, const char *arg, int not)
140 {
141 unsigned *mirror = opt->value;
142 if (not)
143 *mirror = MIRROR_NONE;
144 else if (!arg)
145 *mirror = MIRROR_BOTH;
146 else if (!strcmp(arg, "fetch"))
147 *mirror = MIRROR_FETCH;
148 else if (!strcmp(arg, "push"))
149 *mirror = MIRROR_PUSH;
150 else
151 return error("unknown mirror argument: %s", arg);
152 return 0;
153 }
154
155 static int add(int argc, const char **argv)
156 {
157 int fetch = 0, fetch_tags = TAGS_DEFAULT;
158 unsigned mirror = MIRROR_NONE;
159 struct string_list track = STRING_LIST_INIT_NODUP;
160 const char *master = NULL;
161 struct remote *remote;
162 struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
163 const char *name, *url;
164 int i;
165
166 struct option options[] = {
167 OPT_BOOLEAN('f', "fetch", &fetch, "fetch the remote branches"),
168 OPT_SET_INT(0, "tags", &fetch_tags,
169 "import all tags and associated objects when fetching",
170 TAGS_SET),
171 OPT_SET_INT(0, NULL, &fetch_tags,
172 "or do not fetch any tag at all (--no-tags)", TAGS_UNSET),
173 OPT_CALLBACK('t', "track", &track, "branch",
174 "branch(es) to track", opt_parse_track),
175 OPT_STRING('m', "master", &master, "branch", "master branch"),
176 { OPTION_CALLBACK, 0, "mirror", &mirror, "push|fetch",
177 "set up remote as a mirror to push to or fetch from",
178 PARSE_OPT_OPTARG, parse_mirror_opt },
179 OPT_END()
180 };
181
182 argc = parse_options(argc, argv, NULL, options, builtin_remote_add_usage,
183 0);
184
185 if (argc < 2)
186 usage_with_options(builtin_remote_add_usage, options);
187
188 if (mirror && master)
189 die("specifying a master branch makes no sense with --mirror");
190 if (mirror && track.nr)
191 die("specifying branches to track makes no sense with --mirror");
192
193 name = argv[0];
194 url = argv[1];
195
196 remote = remote_get(name);
197 if (remote && (remote->url_nr > 1 || strcmp(name, remote->url[0]) ||
198 remote->fetch_refspec_nr))
199 die("remote %s already exists.", name);
200
201 strbuf_addf(&buf2, "refs/heads/test:refs/remotes/%s/test", name);
202 if (!valid_fetch_refspec(buf2.buf))
203 die("'%s' is not a valid remote name", name);
204
205 strbuf_addf(&buf, "remote.%s.url", name);
206 if (git_config_set(buf.buf, url))
207 return 1;
208
209 if (!mirror || mirror & MIRROR_FETCH) {
210 strbuf_reset(&buf);
211 strbuf_addf(&buf, "remote.%s.fetch", name);
212 if (track.nr == 0)
213 string_list_append(&track, "*");
214 for (i = 0; i < track.nr; i++) {
215 if (add_branch(buf.buf, track.items[i].string,
216 name, mirror, &buf2))
217 return 1;
218 }
219 }
220
221 if (mirror & MIRROR_PUSH) {
222 strbuf_reset(&buf);
223 strbuf_addf(&buf, "remote.%s.mirror", name);
224 if (git_config_set(buf.buf, "true"))
225 return 1;
226 }
227
228 if (fetch_tags != TAGS_DEFAULT) {
229 strbuf_reset(&buf);
230 strbuf_addf(&buf, "remote.%s.tagopt", name);
231 if (git_config_set(buf.buf,
232 fetch_tags == TAGS_SET ? "--tags" : "--no-tags"))
233 return 1;
234 }
235
236 if (fetch && fetch_remote(name))
237 return 1;
238
239 if (master) {
240 strbuf_reset(&buf);
241 strbuf_addf(&buf, "refs/remotes/%s/HEAD", name);
242
243 strbuf_reset(&buf2);
244 strbuf_addf(&buf2, "refs/remotes/%s/%s", name, master);
245
246 if (create_symref(buf.buf, buf2.buf, "remote add"))
247 return error("Could not setup master '%s'", master);
248 }
249
250 strbuf_release(&buf);
251 strbuf_release(&buf2);
252 string_list_clear(&track, 0);
253
254 return 0;
255 }
256
257 struct branch_info {
258 char *remote_name;
259 struct string_list merge;
260 int rebase;
261 };
262
263 static struct string_list branch_list;
264
265 static const char *abbrev_ref(const char *name, const char *prefix)
266 {
267 const char *abbrev = skip_prefix(name, prefix);
268 if (abbrev)
269 return abbrev;
270 return name;
271 }
272 #define abbrev_branch(name) abbrev_ref((name), "refs/heads/")
273
274 static int config_read_branches(const char *key, const char *value, void *cb)
275 {
276 if (!prefixcmp(key, "branch.")) {
277 const char *orig_key = key;
278 char *name;
279 struct string_list_item *item;
280 struct branch_info *info;
281 enum { REMOTE, MERGE, REBASE } type;
282
283 key += 7;
284 if (!postfixcmp(key, ".remote")) {
285 name = xstrndup(key, strlen(key) - 7);
286 type = REMOTE;
287 } else if (!postfixcmp(key, ".merge")) {
288 name = xstrndup(key, strlen(key) - 6);
289 type = MERGE;
290 } else if (!postfixcmp(key, ".rebase")) {
291 name = xstrndup(key, strlen(key) - 7);
292 type = REBASE;
293 } else
294 return 0;
295
296 item = string_list_insert(&branch_list, name);
297
298 if (!item->util)
299 item->util = xcalloc(sizeof(struct branch_info), 1);
300 info = item->util;
301 if (type == REMOTE) {
302 if (info->remote_name)
303 warning("more than one %s", orig_key);
304 info->remote_name = xstrdup(value);
305 } else if (type == MERGE) {
306 char *space = strchr(value, ' ');
307 value = abbrev_branch(value);
308 while (space) {
309 char *merge;
310 merge = xstrndup(value, space - value);
311 string_list_append(&info->merge, merge);
312 value = abbrev_branch(space + 1);
313 space = strchr(value, ' ');
314 }
315 string_list_append(&info->merge, xstrdup(value));
316 } else
317 info->rebase = git_config_bool(orig_key, value);
318 }
319 return 0;
320 }
321
322 static void read_branches(void)
323 {
324 if (branch_list.nr)
325 return;
326 git_config(config_read_branches, NULL);
327 }
328
329 struct ref_states {
330 struct remote *remote;
331 struct string_list new, stale, tracked, heads, push;
332 int queried;
333 };
334
335 static int get_ref_states(const struct ref *remote_refs, struct ref_states *states)
336 {
337 struct ref *fetch_map = NULL, **tail = &fetch_map;
338 struct ref *ref, *stale_refs;
339 int i;
340
341 for (i = 0; i < states->remote->fetch_refspec_nr; i++)
342 if (get_fetch_map(remote_refs, states->remote->fetch + i, &tail, 1))
343 die("Could not get fetch map for refspec %s",
344 states->remote->fetch_refspec[i]);
345
346 states->new.strdup_strings = 1;
347 states->tracked.strdup_strings = 1;
348 states->stale.strdup_strings = 1;
349 for (ref = fetch_map; ref; ref = ref->next) {
350 unsigned char sha1[20];
351 if (!ref->peer_ref || read_ref(ref->peer_ref->name, sha1))
352 string_list_append(&states->new, abbrev_branch(ref->name));
353 else
354 string_list_append(&states->tracked, abbrev_branch(ref->name));
355 }
356 stale_refs = get_stale_heads(states->remote, fetch_map);
357 for (ref = stale_refs; ref; ref = ref->next) {
358 struct string_list_item *item =
359 string_list_append(&states->stale, abbrev_branch(ref->name));
360 item->util = xstrdup(ref->name);
361 }
362 free_refs(stale_refs);
363 free_refs(fetch_map);
364
365 sort_string_list(&states->new);
366 sort_string_list(&states->tracked);
367 sort_string_list(&states->stale);
368
369 return 0;
370 }
371
372 struct push_info {
373 char *dest;
374 int forced;
375 enum {
376 PUSH_STATUS_CREATE = 0,
377 PUSH_STATUS_DELETE,
378 PUSH_STATUS_UPTODATE,
379 PUSH_STATUS_FASTFORWARD,
380 PUSH_STATUS_OUTOFDATE,
381 PUSH_STATUS_NOTQUERIED
382 } status;
383 };
384
385 static int get_push_ref_states(const struct ref *remote_refs,
386 struct ref_states *states)
387 {
388 struct remote *remote = states->remote;
389 struct ref *ref, *local_refs, *push_map;
390 if (remote->mirror)
391 return 0;
392
393 local_refs = get_local_heads();
394 push_map = copy_ref_list(remote_refs);
395
396 match_refs(local_refs, &push_map, remote->push_refspec_nr,
397 remote->push_refspec, MATCH_REFS_NONE);
398
399 states->push.strdup_strings = 1;
400 for (ref = push_map; ref; ref = ref->next) {
401 struct string_list_item *item;
402 struct push_info *info;
403
404 if (!ref->peer_ref)
405 continue;
406 hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
407
408 item = string_list_append(&states->push,
409 abbrev_branch(ref->peer_ref->name));
410 item->util = xcalloc(sizeof(struct push_info), 1);
411 info = item->util;
412 info->forced = ref->force;
413 info->dest = xstrdup(abbrev_branch(ref->name));
414
415 if (is_null_sha1(ref->new_sha1)) {
416 info->status = PUSH_STATUS_DELETE;
417 } else if (!hashcmp(ref->old_sha1, ref->new_sha1))
418 info->status = PUSH_STATUS_UPTODATE;
419 else if (is_null_sha1(ref->old_sha1))
420 info->status = PUSH_STATUS_CREATE;
421 else if (has_sha1_file(ref->old_sha1) &&
422 ref_newer(ref->new_sha1, ref->old_sha1))
423 info->status = PUSH_STATUS_FASTFORWARD;
424 else
425 info->status = PUSH_STATUS_OUTOFDATE;
426 }
427 free_refs(local_refs);
428 free_refs(push_map);
429 return 0;
430 }
431
432 static int get_push_ref_states_noquery(struct ref_states *states)
433 {
434 int i;
435 struct remote *remote = states->remote;
436 struct string_list_item *item;
437 struct push_info *info;
438
439 if (remote->mirror)
440 return 0;
441
442 states->push.strdup_strings = 1;
443 if (!remote->push_refspec_nr) {
444 item = string_list_append(&states->push, "(matching)");
445 info = item->util = xcalloc(sizeof(struct push_info), 1);
446 info->status = PUSH_STATUS_NOTQUERIED;
447 info->dest = xstrdup(item->string);
448 }
449 for (i = 0; i < remote->push_refspec_nr; i++) {
450 struct refspec *spec = remote->push + i;
451 if (spec->matching)
452 item = string_list_append(&states->push, "(matching)");
453 else if (strlen(spec->src))
454 item = string_list_append(&states->push, spec->src);
455 else
456 item = string_list_append(&states->push, "(delete)");
457
458 info = item->util = xcalloc(sizeof(struct push_info), 1);
459 info->forced = spec->force;
460 info->status = PUSH_STATUS_NOTQUERIED;
461 info->dest = xstrdup(spec->dst ? spec->dst : item->string);
462 }
463 return 0;
464 }
465
466 static int get_head_names(const struct ref *remote_refs, struct ref_states *states)
467 {
468 struct ref *ref, *matches;
469 struct ref *fetch_map = NULL, **fetch_map_tail = &fetch_map;
470 struct refspec refspec;
471
472 refspec.force = 0;
473 refspec.pattern = 1;
474 refspec.src = refspec.dst = "refs/heads/*";
475 states->heads.strdup_strings = 1;
476 get_fetch_map(remote_refs, &refspec, &fetch_map_tail, 0);
477 matches = guess_remote_head(find_ref_by_name(remote_refs, "HEAD"),
478 fetch_map, 1);
479 for (ref = matches; ref; ref = ref->next)
480 string_list_append(&states->heads, abbrev_branch(ref->name));
481
482 free_refs(fetch_map);
483 free_refs(matches);
484
485 return 0;
486 }
487
488 struct known_remote {
489 struct known_remote *next;
490 struct remote *remote;
491 };
492
493 struct known_remotes {
494 struct remote *to_delete;
495 struct known_remote *list;
496 };
497
498 static int add_known_remote(struct remote *remote, void *cb_data)
499 {
500 struct known_remotes *all = cb_data;
501 struct known_remote *r;
502
503 if (!strcmp(all->to_delete->name, remote->name))
504 return 0;
505
506 r = xmalloc(sizeof(*r));
507 r->remote = remote;
508 r->next = all->list;
509 all->list = r;
510 return 0;
511 }
512
513 struct branches_for_remote {
514 struct remote *remote;
515 struct string_list *branches, *skipped;
516 struct known_remotes *keep;
517 };
518
519 static int add_branch_for_removal(const char *refname,
520 const unsigned char *sha1, int flags, void *cb_data)
521 {
522 struct branches_for_remote *branches = cb_data;
523 struct refspec refspec;
524 struct string_list_item *item;
525 struct known_remote *kr;
526
527 memset(&refspec, 0, sizeof(refspec));
528 refspec.dst = (char *)refname;
529 if (remote_find_tracking(branches->remote, &refspec))
530 return 0;
531
532 /* don't delete a branch if another remote also uses it */
533 for (kr = branches->keep->list; kr; kr = kr->next) {
534 memset(&refspec, 0, sizeof(refspec));
535 refspec.dst = (char *)refname;
536 if (!remote_find_tracking(kr->remote, &refspec))
537 return 0;
538 }
539
540 /* don't delete non-remote-tracking refs */
541 if (prefixcmp(refname, "refs/remotes")) {
542 /* advise user how to delete local branches */
543 if (!prefixcmp(refname, "refs/heads/"))
544 string_list_append(branches->skipped,
545 abbrev_branch(refname));
546 /* silently skip over other non-remote refs */
547 return 0;
548 }
549
550 /* make sure that symrefs are deleted */
551 if (flags & REF_ISSYMREF)
552 return unlink(git_path("%s", refname));
553
554 item = string_list_append(branches->branches, refname);
555 item->util = xmalloc(20);
556 hashcpy(item->util, sha1);
557
558 return 0;
559 }
560
561 struct rename_info {
562 const char *old;
563 const char *new;
564 struct string_list *remote_branches;
565 };
566
567 static int read_remote_branches(const char *refname,
568 const unsigned char *sha1, int flags, void *cb_data)
569 {
570 struct rename_info *rename = cb_data;
571 struct strbuf buf = STRBUF_INIT;
572 struct string_list_item *item;
573 int flag;
574 unsigned char orig_sha1[20];
575 const char *symref;
576
577 strbuf_addf(&buf, "refs/remotes/%s", rename->old);
578 if (!prefixcmp(refname, buf.buf)) {
579 item = string_list_append(rename->remote_branches, xstrdup(refname));
580 symref = resolve_ref(refname, orig_sha1, 1, &flag);
581 if (flag & REF_ISSYMREF)
582 item->util = xstrdup(symref);
583 else
584 item->util = NULL;
585 }
586
587 return 0;
588 }
589
590 static int migrate_file(struct remote *remote)
591 {
592 struct strbuf buf = STRBUF_INIT;
593 int i;
594 char *path = NULL;
595
596 strbuf_addf(&buf, "remote.%s.url", remote->name);
597 for (i = 0; i < remote->url_nr; i++)
598 if (git_config_set_multivar(buf.buf, remote->url[i], "^$", 0))
599 return error("Could not append '%s' to '%s'",
600 remote->url[i], buf.buf);
601 strbuf_reset(&buf);
602 strbuf_addf(&buf, "remote.%s.push", remote->name);
603 for (i = 0; i < remote->push_refspec_nr; i++)
604 if (git_config_set_multivar(buf.buf, remote->push_refspec[i], "^$", 0))
605 return error("Could not append '%s' to '%s'",
606 remote->push_refspec[i], buf.buf);
607 strbuf_reset(&buf);
608 strbuf_addf(&buf, "remote.%s.fetch", remote->name);
609 for (i = 0; i < remote->fetch_refspec_nr; i++)
610 if (git_config_set_multivar(buf.buf, remote->fetch_refspec[i], "^$", 0))
611 return error("Could not append '%s' to '%s'",
612 remote->fetch_refspec[i], buf.buf);
613 if (remote->origin == REMOTE_REMOTES)
614 path = git_path("remotes/%s", remote->name);
615 else if (remote->origin == REMOTE_BRANCHES)
616 path = git_path("branches/%s", remote->name);
617 if (path)
618 unlink_or_warn(path);
619 return 0;
620 }
621
622 static int mv(int argc, const char **argv)
623 {
624 struct option options[] = {
625 OPT_END()
626 };
627 struct remote *oldremote, *newremote;
628 struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT, buf3 = STRBUF_INIT;
629 struct string_list remote_branches = STRING_LIST_INIT_NODUP;
630 struct rename_info rename;
631 int i;
632
633 if (argc != 3)
634 usage_with_options(builtin_remote_rename_usage, options);
635
636 rename.old = argv[1];
637 rename.new = argv[2];
638 rename.remote_branches = &remote_branches;
639
640 oldremote = remote_get(rename.old);
641 if (!oldremote)
642 die("No such remote: %s", rename.old);
643
644 if (!strcmp(rename.old, rename.new) && oldremote->origin != REMOTE_CONFIG)
645 return migrate_file(oldremote);
646
647 newremote = remote_get(rename.new);
648 if (newremote && (newremote->url_nr > 1 || newremote->fetch_refspec_nr))
649 die("remote %s already exists.", rename.new);
650
651 strbuf_addf(&buf, "refs/heads/test:refs/remotes/%s/test", rename.new);
652 if (!valid_fetch_refspec(buf.buf))
653 die("'%s' is not a valid remote name", rename.new);
654
655 strbuf_reset(&buf);
656 strbuf_addf(&buf, "remote.%s", rename.old);
657 strbuf_addf(&buf2, "remote.%s", rename.new);
658 if (git_config_rename_section(buf.buf, buf2.buf) < 1)
659 return error("Could not rename config section '%s' to '%s'",
660 buf.buf, buf2.buf);
661
662 strbuf_reset(&buf);
663 strbuf_addf(&buf, "remote.%s.fetch", rename.new);
664 if (git_config_set_multivar(buf.buf, NULL, NULL, 1))
665 return error("Could not remove config section '%s'", buf.buf);
666 for (i = 0; i < oldremote->fetch_refspec_nr; i++) {
667 char *ptr;
668
669 strbuf_reset(&buf2);
670 strbuf_addstr(&buf2, oldremote->fetch_refspec[i]);
671 ptr = strstr(buf2.buf, rename.old);
672 if (ptr)
673 strbuf_splice(&buf2, ptr-buf2.buf, strlen(rename.old),
674 rename.new, strlen(rename.new));
675 if (git_config_set_multivar(buf.buf, buf2.buf, "^$", 0))
676 return error("Could not append '%s'", buf.buf);
677 }
678
679 read_branches();
680 for (i = 0; i < branch_list.nr; i++) {
681 struct string_list_item *item = branch_list.items + i;
682 struct branch_info *info = item->util;
683 if (info->remote_name && !strcmp(info->remote_name, rename.old)) {
684 strbuf_reset(&buf);
685 strbuf_addf(&buf, "branch.%s.remote", item->string);
686 if (git_config_set(buf.buf, rename.new)) {
687 return error("Could not set '%s'", buf.buf);
688 }
689 }
690 }
691
692 /*
693 * First remove symrefs, then rename the rest, finally create
694 * the new symrefs.
695 */
696 for_each_ref(read_remote_branches, &rename);
697 for (i = 0; i < remote_branches.nr; i++) {
698 struct string_list_item *item = remote_branches.items + i;
699 int flag = 0;
700 unsigned char sha1[20];
701
702 resolve_ref(item->string, sha1, 1, &flag);
703 if (!(flag & REF_ISSYMREF))
704 continue;
705 if (delete_ref(item->string, NULL, REF_NODEREF))
706 die("deleting '%s' failed", item->string);
707 }
708 for (i = 0; i < remote_branches.nr; i++) {
709 struct string_list_item *item = remote_branches.items + i;
710
711 if (item->util)
712 continue;
713 strbuf_reset(&buf);
714 strbuf_addstr(&buf, item->string);
715 strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
716 rename.new, strlen(rename.new));
717 strbuf_reset(&buf2);
718 strbuf_addf(&buf2, "remote: renamed %s to %s",
719 item->string, buf.buf);
720 if (rename_ref(item->string, buf.buf, buf2.buf))
721 die("renaming '%s' failed", item->string);
722 }
723 for (i = 0; i < remote_branches.nr; i++) {
724 struct string_list_item *item = remote_branches.items + i;
725
726 if (!item->util)
727 continue;
728 strbuf_reset(&buf);
729 strbuf_addstr(&buf, item->string);
730 strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
731 rename.new, strlen(rename.new));
732 strbuf_reset(&buf2);
733 strbuf_addstr(&buf2, item->util);
734 strbuf_splice(&buf2, strlen("refs/remotes/"), strlen(rename.old),
735 rename.new, strlen(rename.new));
736 strbuf_reset(&buf3);
737 strbuf_addf(&buf3, "remote: renamed %s to %s",
738 item->string, buf.buf);
739 if (create_symref(buf.buf, buf2.buf, buf3.buf))
740 die("creating '%s' failed", buf.buf);
741 }
742 return 0;
743 }
744
745 static int remove_branches(struct string_list *branches)
746 {
747 int i, result = 0;
748 for (i = 0; i < branches->nr; i++) {
749 struct string_list_item *item = branches->items + i;
750 const char *refname = item->string;
751 unsigned char *sha1 = item->util;
752
753 if (delete_ref(refname, sha1, 0))
754 result |= error("Could not remove branch %s", refname);
755 }
756 return result;
757 }
758
759 static int rm(int argc, const char **argv)
760 {
761 struct option options[] = {
762 OPT_END()
763 };
764 struct remote *remote;
765 struct strbuf buf = STRBUF_INIT;
766 struct known_remotes known_remotes = { NULL, NULL };
767 struct string_list branches = STRING_LIST_INIT_DUP;
768 struct string_list skipped = STRING_LIST_INIT_DUP;
769 struct branches_for_remote cb_data;
770 int i, result;
771
772 memset(&cb_data, 0, sizeof(cb_data));
773 cb_data.branches = &branches;
774 cb_data.skipped = &skipped;
775 cb_data.keep = &known_remotes;
776
777 if (argc != 2)
778 usage_with_options(builtin_remote_rm_usage, options);
779
780 remote = remote_get(argv[1]);
781 if (!remote)
782 die("No such remote: %s", argv[1]);
783
784 known_remotes.to_delete = remote;
785 for_each_remote(add_known_remote, &known_remotes);
786
787 strbuf_addf(&buf, "remote.%s", remote->name);
788 if (git_config_rename_section(buf.buf, NULL) < 1)
789 return error("Could not remove config section '%s'", buf.buf);
790
791 read_branches();
792 for (i = 0; i < branch_list.nr; i++) {
793 struct string_list_item *item = branch_list.items + i;
794 struct branch_info *info = item->util;
795 if (info->remote_name && !strcmp(info->remote_name, remote->name)) {
796 const char *keys[] = { "remote", "merge", NULL }, **k;
797 for (k = keys; *k; k++) {
798 strbuf_reset(&buf);
799 strbuf_addf(&buf, "branch.%s.%s",
800 item->string, *k);
801 if (git_config_set(buf.buf, NULL)) {
802 strbuf_release(&buf);
803 return -1;
804 }
805 }
806 }
807 }
808
809 /*
810 * We cannot just pass a function to for_each_ref() which deletes
811 * the branches one by one, since for_each_ref() relies on cached
812 * refs, which are invalidated when deleting a branch.
813 */
814 cb_data.remote = remote;
815 result = for_each_ref(add_branch_for_removal, &cb_data);
816 strbuf_release(&buf);
817
818 if (!result)
819 result = remove_branches(&branches);
820 string_list_clear(&branches, 1);
821
822 if (skipped.nr) {
823 fprintf(stderr, skipped.nr == 1 ?
824 "Note: A branch outside the refs/remotes/ hierarchy was not removed;\n"
825 "to delete it, use:\n" :
826 "Note: Some branches outside the refs/remotes/ hierarchy were not removed;\n"
827 "to delete them, use:\n");
828 for (i = 0; i < skipped.nr; i++)
829 fprintf(stderr, " git branch -d %s\n",
830 skipped.items[i].string);
831 }
832 string_list_clear(&skipped, 0);
833
834 return result;
835 }
836
837 static void clear_push_info(void *util, const char *string)
838 {
839 struct push_info *info = util;
840 free(info->dest);
841 free(info);
842 }
843
844 static void free_remote_ref_states(struct ref_states *states)
845 {
846 string_list_clear(&states->new, 0);
847 string_list_clear(&states->stale, 1);
848 string_list_clear(&states->tracked, 0);
849 string_list_clear(&states->heads, 0);
850 string_list_clear_func(&states->push, clear_push_info);
851 }
852
853 static int append_ref_to_tracked_list(const char *refname,
854 const unsigned char *sha1, int flags, void *cb_data)
855 {
856 struct ref_states *states = cb_data;
857 struct refspec refspec;
858
859 if (flags & REF_ISSYMREF)
860 return 0;
861
862 memset(&refspec, 0, sizeof(refspec));
863 refspec.dst = (char *)refname;
864 if (!remote_find_tracking(states->remote, &refspec))
865 string_list_append(&states->tracked, abbrev_branch(refspec.src));
866
867 return 0;
868 }
869
870 static int get_remote_ref_states(const char *name,
871 struct ref_states *states,
872 int query)
873 {
874 struct transport *transport;
875 const struct ref *remote_refs;
876
877 states->remote = remote_get(name);
878 if (!states->remote)
879 return error("No such remote: %s", name);
880
881 read_branches();
882
883 if (query) {
884 transport = transport_get(states->remote, states->remote->url_nr > 0 ?
885 states->remote->url[0] : NULL);
886 remote_refs = transport_get_remote_refs(transport);
887 transport_disconnect(transport);
888
889 states->queried = 1;
890 if (query & GET_REF_STATES)
891 get_ref_states(remote_refs, states);
892 if (query & GET_HEAD_NAMES)
893 get_head_names(remote_refs, states);
894 if (query & GET_PUSH_REF_STATES)
895 get_push_ref_states(remote_refs, states);
896 } else {
897 for_each_ref(append_ref_to_tracked_list, states);
898 sort_string_list(&states->tracked);
899 get_push_ref_states_noquery(states);
900 }
901
902 return 0;
903 }
904
905 struct show_info {
906 struct string_list *list;
907 struct ref_states *states;
908 int width, width2;
909 int any_rebase;
910 };
911
912 static int add_remote_to_show_info(struct string_list_item *item, void *cb_data)
913 {
914 struct show_info *info = cb_data;
915 int n = strlen(item->string);
916 if (n > info->width)
917 info->width = n;
918 string_list_insert(info->list, item->string);
919 return 0;
920 }
921
922 static int show_remote_info_item(struct string_list_item *item, void *cb_data)
923 {
924 struct show_info *info = cb_data;
925 struct ref_states *states = info->states;
926 const char *name = item->string;
927
928 if (states->queried) {
929 const char *fmt = "%s";
930 const char *arg = "";
931 if (string_list_has_string(&states->new, name)) {
932 fmt = " new (next fetch will store in remotes/%s)";
933 arg = states->remote->name;
934 } else if (string_list_has_string(&states->tracked, name))
935 arg = " tracked";
936 else if (string_list_has_string(&states->stale, name))
937 arg = " stale (use 'git remote prune' to remove)";
938 else
939 arg = " ???";
940 printf(" %-*s", info->width, name);
941 printf(fmt, arg);
942 printf("\n");
943 } else
944 printf(" %s\n", name);
945
946 return 0;
947 }
948
949 static int add_local_to_show_info(struct string_list_item *branch_item, void *cb_data)
950 {
951 struct show_info *show_info = cb_data;
952 struct ref_states *states = show_info->states;
953 struct branch_info *branch_info = branch_item->util;
954 struct string_list_item *item;
955 int n;
956
957 if (!branch_info->merge.nr || !branch_info->remote_name ||
958 strcmp(states->remote->name, branch_info->remote_name))
959 return 0;
960 if ((n = strlen(branch_item->string)) > show_info->width)
961 show_info->width = n;
962 if (branch_info->rebase)
963 show_info->any_rebase = 1;
964
965 item = string_list_insert(show_info->list, branch_item->string);
966 item->util = branch_info;
967
968 return 0;
969 }
970
971 static int show_local_info_item(struct string_list_item *item, void *cb_data)
972 {
973 struct show_info *show_info = cb_data;
974 struct branch_info *branch_info = item->util;
975 struct string_list *merge = &branch_info->merge;
976 const char *also;
977 int i;
978
979 if (branch_info->rebase && branch_info->merge.nr > 1) {
980 error("invalid branch.%s.merge; cannot rebase onto > 1 branch",
981 item->string);
982 return 0;
983 }
984
985 printf(" %-*s ", show_info->width, item->string);
986 if (branch_info->rebase) {
987 printf("rebases onto remote %s\n", merge->items[0].string);
988 return 0;
989 } else if (show_info->any_rebase) {
990 printf(" merges with remote %s\n", merge->items[0].string);
991 also = " and with remote";
992 } else {
993 printf("merges with remote %s\n", merge->items[0].string);
994 also = " and with remote";
995 }
996 for (i = 1; i < merge->nr; i++)
997 printf(" %-*s %s %s\n", show_info->width, "", also,
998 merge->items[i].string);
999
1000 return 0;
1001 }
1002
1003 static int add_push_to_show_info(struct string_list_item *push_item, void *cb_data)
1004 {
1005 struct show_info *show_info = cb_data;
1006 struct push_info *push_info = push_item->util;
1007 struct string_list_item *item;
1008 int n;
1009 if ((n = strlen(push_item->string)) > show_info->width)
1010 show_info->width = n;
1011 if ((n = strlen(push_info->dest)) > show_info->width2)
1012 show_info->width2 = n;
1013 item = string_list_append(show_info->list, push_item->string);
1014 item->util = push_item->util;
1015 return 0;
1016 }
1017
1018 /*
1019 * Sorting comparison for a string list that has push_info
1020 * structs in its util field
1021 */
1022 static int cmp_string_with_push(const void *va, const void *vb)
1023 {
1024 const struct string_list_item *a = va;
1025 const struct string_list_item *b = vb;
1026 const struct push_info *a_push = a->util;
1027 const struct push_info *b_push = b->util;
1028 int cmp = strcmp(a->string, b->string);
1029 return cmp ? cmp : strcmp(a_push->dest, b_push->dest);
1030 }
1031
1032 static int show_push_info_item(struct string_list_item *item, void *cb_data)
1033 {
1034 struct show_info *show_info = cb_data;
1035 struct push_info *push_info = item->util;
1036 char *src = item->string, *status = NULL;
1037
1038 switch (push_info->status) {
1039 case PUSH_STATUS_CREATE:
1040 status = "create";
1041 break;
1042 case PUSH_STATUS_DELETE:
1043 status = "delete";
1044 src = "(none)";
1045 break;
1046 case PUSH_STATUS_UPTODATE:
1047 status = "up to date";
1048 break;
1049 case PUSH_STATUS_FASTFORWARD:
1050 status = "fast-forwardable";
1051 break;
1052 case PUSH_STATUS_OUTOFDATE:
1053 status = "local out of date";
1054 break;
1055 case PUSH_STATUS_NOTQUERIED:
1056 break;
1057 }
1058 if (status)
1059 printf(" %-*s %s to %-*s (%s)\n", show_info->width, src,
1060 push_info->forced ? "forces" : "pushes",
1061 show_info->width2, push_info->dest, status);
1062 else
1063 printf(" %-*s %s to %s\n", show_info->width, src,
1064 push_info->forced ? "forces" : "pushes",
1065 push_info->dest);
1066 return 0;
1067 }
1068
1069 static int show(int argc, const char **argv)
1070 {
1071 int no_query = 0, result = 0, query_flag = 0;
1072 struct option options[] = {
1073 OPT_BOOLEAN('n', NULL, &no_query, "do not query remotes"),
1074 OPT_END()
1075 };
1076 struct ref_states states;
1077 struct string_list info_list = STRING_LIST_INIT_NODUP;
1078 struct show_info info;
1079
1080 argc = parse_options(argc, argv, NULL, options, builtin_remote_show_usage,
1081 0);
1082
1083 if (argc < 1)
1084 return show_all();
1085
1086 if (!no_query)
1087 query_flag = (GET_REF_STATES | GET_HEAD_NAMES | GET_PUSH_REF_STATES);
1088
1089 memset(&states, 0, sizeof(states));
1090 memset(&info, 0, sizeof(info));
1091 info.states = &states;
1092 info.list = &info_list;
1093 for (; argc; argc--, argv++) {
1094 int i;
1095 const char **url;
1096 int url_nr;
1097
1098 get_remote_ref_states(*argv, &states, query_flag);
1099
1100 printf("* remote %s\n", *argv);
1101 printf(" Fetch URL: %s\n", states.remote->url_nr > 0 ?
1102 states.remote->url[0] : "(no URL)");
1103 if (states.remote->pushurl_nr) {
1104 url = states.remote->pushurl;
1105 url_nr = states.remote->pushurl_nr;
1106 } else {
1107 url = states.remote->url;
1108 url_nr = states.remote->url_nr;
1109 }
1110 for (i=0; i < url_nr; i++)
1111 printf(" Push URL: %s\n", url[i]);
1112 if (!i)
1113 printf(" Push URL: %s\n", "(no URL)");
1114 if (no_query)
1115 printf(" HEAD branch: (not queried)\n");
1116 else if (!states.heads.nr)
1117 printf(" HEAD branch: (unknown)\n");
1118 else if (states.heads.nr == 1)
1119 printf(" HEAD branch: %s\n", states.heads.items[0].string);
1120 else {
1121 printf(" HEAD branch (remote HEAD is ambiguous,"
1122 " may be one of the following):\n");
1123 for (i = 0; i < states.heads.nr; i++)
1124 printf(" %s\n", states.heads.items[i].string);
1125 }
1126
1127 /* remote branch info */
1128 info.width = 0;
1129 for_each_string_list(&states.new, add_remote_to_show_info, &info);
1130 for_each_string_list(&states.tracked, add_remote_to_show_info, &info);
1131 for_each_string_list(&states.stale, add_remote_to_show_info, &info);
1132 if (info.list->nr)
1133 printf(" Remote branch%s:%s\n",
1134 info.list->nr > 1 ? "es" : "",
1135 no_query ? " (status not queried)" : "");
1136 for_each_string_list(info.list, show_remote_info_item, &info);
1137 string_list_clear(info.list, 0);
1138
1139 /* git pull info */
1140 info.width = 0;
1141 info.any_rebase = 0;
1142 for_each_string_list(&branch_list, add_local_to_show_info, &info);
1143 if (info.list->nr)
1144 printf(" Local branch%s configured for 'git pull':\n",
1145 info.list->nr > 1 ? "es" : "");
1146 for_each_string_list(info.list, show_local_info_item, &info);
1147 string_list_clear(info.list, 0);
1148
1149 /* git push info */
1150 if (states.remote->mirror)
1151 printf(" Local refs will be mirrored by 'git push'\n");
1152
1153 info.width = info.width2 = 0;
1154 for_each_string_list(&states.push, add_push_to_show_info, &info);
1155 qsort(info.list->items, info.list->nr,
1156 sizeof(*info.list->items), cmp_string_with_push);
1157 if (info.list->nr)
1158 printf(" Local ref%s configured for 'git push'%s:\n",
1159 info.list->nr > 1 ? "s" : "",
1160 no_query ? " (status not queried)" : "");
1161 for_each_string_list(info.list, show_push_info_item, &info);
1162 string_list_clear(info.list, 0);
1163
1164 free_remote_ref_states(&states);
1165 }
1166
1167 return result;
1168 }
1169
1170 static int set_head(int argc, const char **argv)
1171 {
1172 int i, opt_a = 0, opt_d = 0, result = 0;
1173 struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
1174 char *head_name = NULL;
1175
1176 struct option options[] = {
1177 OPT_BOOLEAN('a', "auto", &opt_a,
1178 "set refs/remotes/<name>/HEAD according to remote"),
1179 OPT_BOOLEAN('d', "delete", &opt_d,
1180 "delete refs/remotes/<name>/HEAD"),
1181 OPT_END()
1182 };
1183 argc = parse_options(argc, argv, NULL, options, builtin_remote_sethead_usage,
1184 0);
1185 if (argc)
1186 strbuf_addf(&buf, "refs/remotes/%s/HEAD", argv[0]);
1187
1188 if (!opt_a && !opt_d && argc == 2) {
1189 head_name = xstrdup(argv[1]);
1190 } else if (opt_a && !opt_d && argc == 1) {
1191 struct ref_states states;
1192 memset(&states, 0, sizeof(states));
1193 get_remote_ref_states(argv[0], &states, GET_HEAD_NAMES);
1194 if (!states.heads.nr)
1195 result |= error("Cannot determine remote HEAD");
1196 else if (states.heads.nr > 1) {
1197 result |= error("Multiple remote HEAD branches. "
1198 "Please choose one explicitly with:");
1199 for (i = 0; i < states.heads.nr; i++)
1200 fprintf(stderr, " git remote set-head %s %s\n",
1201 argv[0], states.heads.items[i].string);
1202 } else
1203 head_name = xstrdup(states.heads.items[0].string);
1204 free_remote_ref_states(&states);
1205 } else if (opt_d && !opt_a && argc == 1) {
1206 if (delete_ref(buf.buf, NULL, REF_NODEREF))
1207 result |= error("Could not delete %s", buf.buf);
1208 } else
1209 usage_with_options(builtin_remote_sethead_usage, options);
1210
1211 if (head_name) {
1212 unsigned char sha1[20];
1213 strbuf_addf(&buf2, "refs/remotes/%s/%s", argv[0], head_name);
1214 /* make sure it's valid */
1215 if (!resolve_ref(buf2.buf, sha1, 1, NULL))
1216 result |= error("Not a valid ref: %s", buf2.buf);
1217 else if (create_symref(buf.buf, buf2.buf, "remote set-head"))
1218 result |= error("Could not setup %s", buf.buf);
1219 if (opt_a)
1220 printf("%s/HEAD set to %s\n", argv[0], head_name);
1221 free(head_name);
1222 }
1223
1224 strbuf_release(&buf);
1225 strbuf_release(&buf2);
1226 return result;
1227 }
1228
1229 static int prune(int argc, const char **argv)
1230 {
1231 int dry_run = 0, result = 0;
1232 struct option options[] = {
1233 OPT__DRY_RUN(&dry_run, "dry run"),
1234 OPT_END()
1235 };
1236
1237 argc = parse_options(argc, argv, NULL, options, builtin_remote_prune_usage,
1238 0);
1239
1240 if (argc < 1)
1241 usage_with_options(builtin_remote_prune_usage, options);
1242
1243 for (; argc; argc--, argv++)
1244 result |= prune_remote(*argv, dry_run);
1245
1246 return result;
1247 }
1248
1249 static int prune_remote(const char *remote, int dry_run)
1250 {
1251 int result = 0, i;
1252 struct ref_states states;
1253 const char *dangling_msg = dry_run
1254 ? " %s will become dangling!\n"
1255 : " %s has become dangling!\n";
1256
1257 memset(&states, 0, sizeof(states));
1258 get_remote_ref_states(remote, &states, GET_REF_STATES);
1259
1260 if (states.stale.nr) {
1261 printf("Pruning %s\n", remote);
1262 printf("URL: %s\n",
1263 states.remote->url_nr
1264 ? states.remote->url[0]
1265 : "(no URL)");
1266 }
1267
1268 for (i = 0; i < states.stale.nr; i++) {
1269 const char *refname = states.stale.items[i].util;
1270
1271 if (!dry_run)
1272 result |= delete_ref(refname, NULL, 0);
1273
1274 printf(" * [%s] %s\n", dry_run ? "would prune" : "pruned",
1275 abbrev_ref(refname, "refs/remotes/"));
1276 warn_dangling_symref(stdout, dangling_msg, refname);
1277 }
1278
1279 free_remote_ref_states(&states);
1280 return result;
1281 }
1282
1283 static int get_remote_default(const char *key, const char *value, void *priv)
1284 {
1285 if (strcmp(key, "remotes.default") == 0) {
1286 int *found = priv;
1287 *found = 1;
1288 }
1289 return 0;
1290 }
1291
1292 static int update(int argc, const char **argv)
1293 {
1294 int i, prune = 0;
1295 struct option options[] = {
1296 OPT_BOOLEAN('p', "prune", &prune,
1297 "prune remotes after fetching"),
1298 OPT_END()
1299 };
1300 const char **fetch_argv;
1301 int fetch_argc = 0;
1302 int default_defined = 0;
1303
1304 fetch_argv = xmalloc(sizeof(char *) * (argc+5));
1305
1306 argc = parse_options(argc, argv, NULL, options, builtin_remote_update_usage,
1307 PARSE_OPT_KEEP_ARGV0);
1308
1309 fetch_argv[fetch_argc++] = "fetch";
1310
1311 if (prune)
1312 fetch_argv[fetch_argc++] = "--prune";
1313 if (verbose)
1314 fetch_argv[fetch_argc++] = "-v";
1315 fetch_argv[fetch_argc++] = "--multiple";
1316 if (argc < 2)
1317 fetch_argv[fetch_argc++] = "default";
1318 for (i = 1; i < argc; i++)
1319 fetch_argv[fetch_argc++] = argv[i];
1320
1321 if (strcmp(fetch_argv[fetch_argc-1], "default") == 0) {
1322 git_config(get_remote_default, &default_defined);
1323 if (!default_defined)
1324 fetch_argv[fetch_argc-1] = "--all";
1325 }
1326
1327 fetch_argv[fetch_argc] = NULL;
1328
1329 return run_command_v_opt(fetch_argv, RUN_GIT_CMD);
1330 }
1331
1332 static int remove_all_fetch_refspecs(const char *remote, const char *key)
1333 {
1334 return git_config_set_multivar(key, NULL, NULL, 1);
1335 }
1336
1337 static int add_branches(struct remote *remote, const char **branches,
1338 const char *key)
1339 {
1340 const char *remotename = remote->name;
1341 int mirror = remote->mirror;
1342 struct strbuf refspec = STRBUF_INIT;
1343
1344 for (; *branches; branches++)
1345 if (add_branch(key, *branches, remotename, mirror, &refspec)) {
1346 strbuf_release(&refspec);
1347 return 1;
1348 }
1349
1350 strbuf_release(&refspec);
1351 return 0;
1352 }
1353
1354 static int set_remote_branches(const char *remotename, const char **branches,
1355 int add_mode)
1356 {
1357 struct strbuf key = STRBUF_INIT;
1358 struct remote *remote;
1359
1360 strbuf_addf(&key, "remote.%s.fetch", remotename);
1361
1362 if (!remote_is_configured(remotename))
1363 die("No such remote '%s'", remotename);
1364 remote = remote_get(remotename);
1365
1366 if (!add_mode && remove_all_fetch_refspecs(remotename, key.buf)) {
1367 strbuf_release(&key);
1368 return 1;
1369 }
1370 if (add_branches(remote, branches, key.buf)) {
1371 strbuf_release(&key);
1372 return 1;
1373 }
1374
1375 strbuf_release(&key);
1376 return 0;
1377 }
1378
1379 static int set_branches(int argc, const char **argv)
1380 {
1381 int add_mode = 0;
1382 struct option options[] = {
1383 OPT_BOOLEAN('\0', "add", &add_mode, "add branch"),
1384 OPT_END()
1385 };
1386
1387 argc = parse_options(argc, argv, NULL, options,
1388 builtin_remote_setbranches_usage, 0);
1389 if (argc == 0) {
1390 error("no remote specified");
1391 usage_with_options(builtin_remote_seturl_usage, options);
1392 }
1393 argv[argc] = NULL;
1394
1395 return set_remote_branches(argv[0], argv + 1, add_mode);
1396 }
1397
1398 static int set_url(int argc, const char **argv)
1399 {
1400 int i, push_mode = 0, add_mode = 0, delete_mode = 0;
1401 int matches = 0, negative_matches = 0;
1402 const char *remotename = NULL;
1403 const char *newurl = NULL;
1404 const char *oldurl = NULL;
1405 struct remote *remote;
1406 regex_t old_regex;
1407 const char **urlset;
1408 int urlset_nr;
1409 struct strbuf name_buf = STRBUF_INIT;
1410 struct option options[] = {
1411 OPT_BOOLEAN('\0', "push", &push_mode,
1412 "manipulate push URLs"),
1413 OPT_BOOLEAN('\0', "add", &add_mode,
1414 "add URL"),
1415 OPT_BOOLEAN('\0', "delete", &delete_mode,
1416 "delete URLs"),
1417 OPT_END()
1418 };
1419 argc = parse_options(argc, argv, NULL, options, builtin_remote_update_usage,
1420 PARSE_OPT_KEEP_ARGV0);
1421
1422 if (add_mode && delete_mode)
1423 die("--add --delete doesn't make sense");
1424
1425 if (argc < 3 || argc > 4 || ((add_mode || delete_mode) && argc != 3))
1426 usage_with_options(builtin_remote_seturl_usage, options);
1427
1428 remotename = argv[1];
1429 newurl = argv[2];
1430 if (argc > 3)
1431 oldurl = argv[3];
1432
1433 if (delete_mode)
1434 oldurl = newurl;
1435
1436 if (!remote_is_configured(remotename))
1437 die("No such remote '%s'", remotename);
1438 remote = remote_get(remotename);
1439
1440 if (push_mode) {
1441 strbuf_addf(&name_buf, "remote.%s.pushurl", remotename);
1442 urlset = remote->pushurl;
1443 urlset_nr = remote->pushurl_nr;
1444 } else {
1445 strbuf_addf(&name_buf, "remote.%s.url", remotename);
1446 urlset = remote->url;
1447 urlset_nr = remote->url_nr;
1448 }
1449
1450 /* Special cases that add new entry. */
1451 if ((!oldurl && !delete_mode) || add_mode) {
1452 if (add_mode)
1453 git_config_set_multivar(name_buf.buf, newurl,
1454 "^$", 0);
1455 else
1456 git_config_set(name_buf.buf, newurl);
1457 strbuf_release(&name_buf);
1458 return 0;
1459 }
1460
1461 /* Old URL specified. Demand that one matches. */
1462 if (regcomp(&old_regex, oldurl, REG_EXTENDED))
1463 die("Invalid old URL pattern: %s", oldurl);
1464
1465 for (i = 0; i < urlset_nr; i++)
1466 if (!regexec(&old_regex, urlset[i], 0, NULL, 0))
1467 matches++;
1468 else
1469 negative_matches++;
1470 if (!delete_mode && !matches)
1471 die("No such URL found: %s", oldurl);
1472 if (delete_mode && !negative_matches && !push_mode)
1473 die("Will not delete all non-push URLs");
1474
1475 regfree(&old_regex);
1476
1477 if (!delete_mode)
1478 git_config_set_multivar(name_buf.buf, newurl, oldurl, 0);
1479 else
1480 git_config_set_multivar(name_buf.buf, NULL, oldurl, 1);
1481 return 0;
1482 }
1483
1484 static int get_one_entry(struct remote *remote, void *priv)
1485 {
1486 struct string_list *list = priv;
1487 struct strbuf url_buf = STRBUF_INIT;
1488 const char **url;
1489 int i, url_nr;
1490
1491 if (remote->url_nr > 0) {
1492 strbuf_addf(&url_buf, "%s (fetch)", remote->url[0]);
1493 string_list_append(list, remote->name)->util =
1494 strbuf_detach(&url_buf, NULL);
1495 } else
1496 string_list_append(list, remote->name)->util = NULL;
1497 if (remote->pushurl_nr) {
1498 url = remote->pushurl;
1499 url_nr = remote->pushurl_nr;
1500 } else {
1501 url = remote->url;
1502 url_nr = remote->url_nr;
1503 }
1504 for (i = 0; i < url_nr; i++)
1505 {
1506 strbuf_addf(&url_buf, "%s (push)", url[i]);
1507 string_list_append(list, remote->name)->util =
1508 strbuf_detach(&url_buf, NULL);
1509 }
1510
1511 return 0;
1512 }
1513
1514 static int show_all(void)
1515 {
1516 struct string_list list = STRING_LIST_INIT_NODUP;
1517 int result;
1518
1519 list.strdup_strings = 1;
1520 result = for_each_remote(get_one_entry, &list);
1521
1522 if (!result) {
1523 int i;
1524
1525 sort_string_list(&list);
1526 for (i = 0; i < list.nr; i++) {
1527 struct string_list_item *item = list.items + i;
1528 if (verbose)
1529 printf("%s\t%s\n", item->string,
1530 item->util ? (const char *)item->util : "");
1531 else {
1532 if (i && !strcmp((item - 1)->string, item->string))
1533 continue;
1534 printf("%s\n", item->string);
1535 }
1536 }
1537 }
1538 string_list_clear(&list, 1);
1539 return result;
1540 }
1541
1542 int cmd_remote(int argc, const char **argv, const char *prefix)
1543 {
1544 struct option options[] = {
1545 OPT__VERBOSE(&verbose, "be verbose; must be placed before a subcommand"),
1546 OPT_END()
1547 };
1548 int result;
1549
1550 argc = parse_options(argc, argv, prefix, options, builtin_remote_usage,
1551 PARSE_OPT_STOP_AT_NON_OPTION);
1552
1553 if (argc < 1)
1554 result = show_all();
1555 else if (!strcmp(argv[0], "add"))
1556 result = add(argc, argv);
1557 else if (!strcmp(argv[0], "rename"))
1558 result = mv(argc, argv);
1559 else if (!strcmp(argv[0], "rm"))
1560 result = rm(argc, argv);
1561 else if (!strcmp(argv[0], "set-head"))
1562 result = set_head(argc, argv);
1563 else if (!strcmp(argv[0], "set-branches"))
1564 result = set_branches(argc, argv);
1565 else if (!strcmp(argv[0], "set-url"))
1566 result = set_url(argc, argv);
1567 else if (!strcmp(argv[0], "show"))
1568 result = show(argc, argv);
1569 else if (!strcmp(argv[0], "prune"))
1570 result = prune(argc, argv);
1571 else if (!strcmp(argv[0], "update"))
1572 result = update(argc, argv);
1573 else {
1574 error("Unknown subcommand: %s", argv[0]);
1575 usage_with_options(builtin_remote_usage, options);
1576 }
1577
1578 return result ? 1 : 0;
1579 }