Make the MSVC projects use PDB/IDB files named after the project
[git/dscho.git] / builtin-remote.c
blob0777dd719b41ec4c545b336bc5144a73d34001d7
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"
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 show [-n] <name>",
17 "git remote prune [-n | --dry-run] <name>",
18 "git remote [-v | --verbose] update [-p | --prune] [group]",
19 NULL
22 #define GET_REF_STATES (1<<0)
23 #define GET_HEAD_NAMES (1<<1)
24 #define GET_PUSH_REF_STATES (1<<2)
26 static int verbose;
28 static int show_all(void);
29 static int prune_remote(const char *remote, int dry_run);
31 static inline int postfixcmp(const char *string, const char *postfix)
33 int len1 = strlen(string), len2 = strlen(postfix);
34 if (len1 < len2)
35 return 1;
36 return strcmp(string + len1 - len2, postfix);
39 static int opt_parse_track(const struct option *opt, const char *arg, int not)
41 struct string_list *list = opt->value;
42 if (not)
43 string_list_clear(list, 0);
44 else
45 string_list_append(arg, list);
46 return 0;
49 static int fetch_remote(const char *name)
51 const char *argv[] = { "fetch", name, NULL, NULL };
52 if (verbose) {
53 argv[1] = "-v";
54 argv[2] = name;
56 printf("Updating %s\n", name);
57 if (run_command_v_opt(argv, RUN_GIT_CMD))
58 return error("Could not fetch %s", name);
59 return 0;
62 static int add(int argc, const char **argv)
64 int fetch = 0, mirror = 0;
65 struct string_list track = { NULL, 0, 0 };
66 const char *master = NULL;
67 struct remote *remote;
68 struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
69 const char *name, *url;
70 int i;
72 struct option options[] = {
73 OPT_GROUP("add specific options"),
74 OPT_BOOLEAN('f', "fetch", &fetch, "fetch the remote branches"),
75 OPT_CALLBACK('t', "track", &track, "branch",
76 "branch(es) to track", opt_parse_track),
77 OPT_STRING('m', "master", &master, "branch", "master branch"),
78 OPT_BOOLEAN(0, "mirror", &mirror, "no separate remotes"),
79 OPT_END()
82 argc = parse_options(argc, argv, NULL, options, builtin_remote_usage,
83 0);
85 if (argc < 2)
86 usage_with_options(builtin_remote_usage, options);
88 name = argv[0];
89 url = argv[1];
91 remote = remote_get(name);
92 if (remote && (remote->url_nr > 1 || strcmp(name, remote->url[0]) ||
93 remote->fetch_refspec_nr))
94 die("remote %s already exists.", name);
96 strbuf_addf(&buf2, "refs/heads/test:refs/remotes/%s/test", name);
97 if (!valid_fetch_refspec(buf2.buf))
98 die("'%s' is not a valid remote name", name);
100 strbuf_addf(&buf, "remote.%s.url", name);
101 if (git_config_set(buf.buf, url))
102 return 1;
104 strbuf_reset(&buf);
105 strbuf_addf(&buf, "remote.%s.fetch", name);
107 if (track.nr == 0)
108 string_list_append("*", &track);
109 for (i = 0; i < track.nr; i++) {
110 struct string_list_item *item = track.items + i;
112 strbuf_reset(&buf2);
113 strbuf_addch(&buf2, '+');
114 if (mirror)
115 strbuf_addf(&buf2, "refs/%s:refs/%s",
116 item->string, item->string);
117 else
118 strbuf_addf(&buf2, "refs/heads/%s:refs/remotes/%s/%s",
119 item->string, name, item->string);
120 if (git_config_set_multivar(buf.buf, buf2.buf, "^$", 0))
121 return 1;
124 if (mirror) {
125 strbuf_reset(&buf);
126 strbuf_addf(&buf, "remote.%s.mirror", name);
127 if (git_config_set(buf.buf, "true"))
128 return 1;
131 if (fetch && fetch_remote(name))
132 return 1;
134 if (master) {
135 strbuf_reset(&buf);
136 strbuf_addf(&buf, "refs/remotes/%s/HEAD", name);
138 strbuf_reset(&buf2);
139 strbuf_addf(&buf2, "refs/remotes/%s/%s", name, master);
141 if (create_symref(buf.buf, buf2.buf, "remote add"))
142 return error("Could not setup master '%s'", master);
145 strbuf_release(&buf);
146 strbuf_release(&buf2);
147 string_list_clear(&track, 0);
149 return 0;
152 struct branch_info {
153 char *remote_name;
154 struct string_list merge;
155 int rebase;
158 static struct string_list branch_list;
160 static const char *abbrev_ref(const char *name, const char *prefix)
162 const char *abbrev = skip_prefix(name, prefix);
163 if (abbrev)
164 return abbrev;
165 return name;
167 #define abbrev_branch(name) abbrev_ref((name), "refs/heads/")
169 static int config_read_branches(const char *key, const char *value, void *cb)
171 if (!prefixcmp(key, "branch.")) {
172 const char *orig_key = key;
173 char *name;
174 struct string_list_item *item;
175 struct branch_info *info;
176 enum { REMOTE, MERGE, REBASE } type;
178 key += 7;
179 if (!postfixcmp(key, ".remote")) {
180 name = xstrndup(key, strlen(key) - 7);
181 type = REMOTE;
182 } else if (!postfixcmp(key, ".merge")) {
183 name = xstrndup(key, strlen(key) - 6);
184 type = MERGE;
185 } else if (!postfixcmp(key, ".rebase")) {
186 name = xstrndup(key, strlen(key) - 7);
187 type = REBASE;
188 } else
189 return 0;
191 item = string_list_insert(name, &branch_list);
193 if (!item->util)
194 item->util = xcalloc(sizeof(struct branch_info), 1);
195 info = item->util;
196 if (type == REMOTE) {
197 if (info->remote_name)
198 warning("more than one %s", orig_key);
199 info->remote_name = xstrdup(value);
200 } else if (type == MERGE) {
201 char *space = strchr(value, ' ');
202 value = abbrev_branch(value);
203 while (space) {
204 char *merge;
205 merge = xstrndup(value, space - value);
206 string_list_append(merge, &info->merge);
207 value = abbrev_branch(space + 1);
208 space = strchr(value, ' ');
210 string_list_append(xstrdup(value), &info->merge);
211 } else
212 info->rebase = git_config_bool(orig_key, value);
214 return 0;
217 static void read_branches(void)
219 if (branch_list.nr)
220 return;
221 git_config(config_read_branches, NULL);
224 struct ref_states {
225 struct remote *remote;
226 struct string_list new, stale, tracked, heads, push;
227 int queried;
230 static int handle_one_branch(const char *refname,
231 const unsigned char *sha1, int flags, void *cb_data)
233 struct ref_states *states = cb_data;
234 struct refspec refspec;
236 memset(&refspec, 0, sizeof(refspec));
237 refspec.dst = (char *)refname;
238 if (!remote_find_tracking(states->remote, &refspec)) {
239 struct string_list_item *item;
240 const char *name = abbrev_branch(refspec.src);
241 /* symbolic refs pointing nowhere were handled already */
242 if ((flags & REF_ISSYMREF) ||
243 string_list_has_string(&states->tracked, name) ||
244 string_list_has_string(&states->new, name))
245 return 0;
246 item = string_list_append(name, &states->stale);
247 item->util = xstrdup(refname);
249 return 0;
252 static int get_ref_states(const struct ref *remote_refs, struct ref_states *states)
254 struct ref *fetch_map = NULL, **tail = &fetch_map;
255 struct ref *ref;
256 int i;
258 for (i = 0; i < states->remote->fetch_refspec_nr; i++)
259 if (get_fetch_map(remote_refs, states->remote->fetch + i, &tail, 1))
260 die("Could not get fetch map for refspec %s",
261 states->remote->fetch_refspec[i]);
263 states->new.strdup_strings = states->tracked.strdup_strings = 1;
264 for (ref = fetch_map; ref; ref = ref->next) {
265 unsigned char sha1[20];
266 if (!ref->peer_ref || read_ref(ref->peer_ref->name, sha1))
267 string_list_append(abbrev_branch(ref->name), &states->new);
268 else
269 string_list_append(abbrev_branch(ref->name), &states->tracked);
271 free_refs(fetch_map);
273 sort_string_list(&states->new);
274 sort_string_list(&states->tracked);
275 for_each_ref(handle_one_branch, states);
276 sort_string_list(&states->stale);
278 return 0;
281 struct push_info {
282 char *dest;
283 int forced;
284 enum {
285 PUSH_STATUS_CREATE = 0,
286 PUSH_STATUS_DELETE,
287 PUSH_STATUS_UPTODATE,
288 PUSH_STATUS_FASTFORWARD,
289 PUSH_STATUS_OUTOFDATE,
290 PUSH_STATUS_NOTQUERIED,
291 } status;
294 static int get_push_ref_states(const struct ref *remote_refs,
295 struct ref_states *states)
297 struct remote *remote = states->remote;
298 struct ref *ref, *local_refs, *push_map;
299 if (remote->mirror)
300 return 0;
302 local_refs = get_local_heads();
303 push_map = copy_ref_list(remote_refs);
305 match_refs(local_refs, &push_map, remote->push_refspec_nr,
306 remote->push_refspec, MATCH_REFS_NONE);
308 states->push.strdup_strings = 1;
309 for (ref = push_map; ref; ref = ref->next) {
310 struct string_list_item *item;
311 struct push_info *info;
313 if (!ref->peer_ref)
314 continue;
315 hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
317 item = string_list_append(abbrev_branch(ref->peer_ref->name),
318 &states->push);
319 item->util = xcalloc(sizeof(struct push_info), 1);
320 info = item->util;
321 info->forced = ref->force;
322 info->dest = xstrdup(abbrev_branch(ref->name));
324 if (is_null_sha1(ref->new_sha1)) {
325 info->status = PUSH_STATUS_DELETE;
326 } else if (!hashcmp(ref->old_sha1, ref->new_sha1))
327 info->status = PUSH_STATUS_UPTODATE;
328 else if (is_null_sha1(ref->old_sha1))
329 info->status = PUSH_STATUS_CREATE;
330 else if (has_sha1_file(ref->old_sha1) &&
331 ref_newer(ref->new_sha1, ref->old_sha1))
332 info->status = PUSH_STATUS_FASTFORWARD;
333 else
334 info->status = PUSH_STATUS_OUTOFDATE;
336 free_refs(local_refs);
337 free_refs(push_map);
338 return 0;
341 static int get_push_ref_states_noquery(struct ref_states *states)
343 int i;
344 struct remote *remote = states->remote;
345 struct string_list_item *item;
346 struct push_info *info;
348 if (remote->mirror)
349 return 0;
351 states->push.strdup_strings = 1;
352 if (!remote->push_refspec_nr) {
353 item = string_list_append("(matching)", &states->push);
354 info = item->util = xcalloc(sizeof(struct push_info), 1);
355 info->status = PUSH_STATUS_NOTQUERIED;
356 info->dest = xstrdup(item->string);
358 for (i = 0; i < remote->push_refspec_nr; i++) {
359 struct refspec *spec = remote->push + i;
360 if (spec->matching)
361 item = string_list_append("(matching)", &states->push);
362 else if (strlen(spec->src))
363 item = string_list_append(spec->src, &states->push);
364 else
365 item = string_list_append("(delete)", &states->push);
367 info = item->util = xcalloc(sizeof(struct push_info), 1);
368 info->forced = spec->force;
369 info->status = PUSH_STATUS_NOTQUERIED;
370 info->dest = xstrdup(spec->dst ? spec->dst : item->string);
372 return 0;
375 static int get_head_names(const struct ref *remote_refs, struct ref_states *states)
377 struct ref *ref, *matches;
378 struct ref *fetch_map = NULL, **fetch_map_tail = &fetch_map;
379 struct refspec refspec;
381 refspec.force = 0;
382 refspec.pattern = 1;
383 refspec.src = refspec.dst = "refs/heads/*";
384 states->heads.strdup_strings = 1;
385 get_fetch_map(remote_refs, &refspec, &fetch_map_tail, 0);
386 matches = guess_remote_head(find_ref_by_name(remote_refs, "HEAD"),
387 fetch_map, 1);
388 for (ref = matches; ref; ref = ref->next)
389 string_list_append(abbrev_branch(ref->name), &states->heads);
391 free_refs(fetch_map);
392 free_refs(matches);
394 return 0;
397 struct known_remote {
398 struct known_remote *next;
399 struct remote *remote;
402 struct known_remotes {
403 struct remote *to_delete;
404 struct known_remote *list;
407 static int add_known_remote(struct remote *remote, void *cb_data)
409 struct known_remotes *all = cb_data;
410 struct known_remote *r;
412 if (!strcmp(all->to_delete->name, remote->name))
413 return 0;
415 r = xmalloc(sizeof(*r));
416 r->remote = remote;
417 r->next = all->list;
418 all->list = r;
419 return 0;
422 struct branches_for_remote {
423 struct remote *remote;
424 struct string_list *branches, *skipped;
425 struct known_remotes *keep;
428 static int add_branch_for_removal(const char *refname,
429 const unsigned char *sha1, int flags, void *cb_data)
431 struct branches_for_remote *branches = cb_data;
432 struct refspec refspec;
433 struct string_list_item *item;
434 struct known_remote *kr;
436 memset(&refspec, 0, sizeof(refspec));
437 refspec.dst = (char *)refname;
438 if (remote_find_tracking(branches->remote, &refspec))
439 return 0;
441 /* don't delete a branch if another remote also uses it */
442 for (kr = branches->keep->list; kr; kr = kr->next) {
443 memset(&refspec, 0, sizeof(refspec));
444 refspec.dst = (char *)refname;
445 if (!remote_find_tracking(kr->remote, &refspec))
446 return 0;
449 /* don't delete non-remote refs */
450 if (prefixcmp(refname, "refs/remotes")) {
451 /* advise user how to delete local branches */
452 if (!prefixcmp(refname, "refs/heads/"))
453 string_list_append(abbrev_branch(refname),
454 branches->skipped);
455 /* silently skip over other non-remote refs */
456 return 0;
459 /* make sure that symrefs are deleted */
460 if (flags & REF_ISSYMREF)
461 return unlink(git_path("%s", refname));
463 item = string_list_append(refname, branches->branches);
464 item->util = xmalloc(20);
465 hashcpy(item->util, sha1);
467 return 0;
470 struct rename_info {
471 const char *old;
472 const char *new;
473 struct string_list *remote_branches;
476 static int read_remote_branches(const char *refname,
477 const unsigned char *sha1, int flags, void *cb_data)
479 struct rename_info *rename = cb_data;
480 struct strbuf buf = STRBUF_INIT;
481 struct string_list_item *item;
482 int flag;
483 unsigned char orig_sha1[20];
484 const char *symref;
486 strbuf_addf(&buf, "refs/remotes/%s", rename->old);
487 if (!prefixcmp(refname, buf.buf)) {
488 item = string_list_append(xstrdup(refname), rename->remote_branches);
489 symref = resolve_ref(refname, orig_sha1, 1, &flag);
490 if (flag & REF_ISSYMREF)
491 item->util = xstrdup(symref);
492 else
493 item->util = NULL;
496 return 0;
499 static int migrate_file(struct remote *remote)
501 struct strbuf buf = STRBUF_INIT;
502 int i;
503 char *path = NULL;
505 strbuf_addf(&buf, "remote.%s.url", remote->name);
506 for (i = 0; i < remote->url_nr; i++)
507 if (git_config_set_multivar(buf.buf, remote->url[i], "^$", 0))
508 return error("Could not append '%s' to '%s'",
509 remote->url[i], buf.buf);
510 strbuf_reset(&buf);
511 strbuf_addf(&buf, "remote.%s.push", remote->name);
512 for (i = 0; i < remote->push_refspec_nr; i++)
513 if (git_config_set_multivar(buf.buf, remote->push_refspec[i], "^$", 0))
514 return error("Could not append '%s' to '%s'",
515 remote->push_refspec[i], buf.buf);
516 strbuf_reset(&buf);
517 strbuf_addf(&buf, "remote.%s.fetch", remote->name);
518 for (i = 0; i < remote->fetch_refspec_nr; i++)
519 if (git_config_set_multivar(buf.buf, remote->fetch_refspec[i], "^$", 0))
520 return error("Could not append '%s' to '%s'",
521 remote->fetch_refspec[i], buf.buf);
522 if (remote->origin == REMOTE_REMOTES)
523 path = git_path("remotes/%s", remote->name);
524 else if (remote->origin == REMOTE_BRANCHES)
525 path = git_path("branches/%s", remote->name);
526 if (path)
527 unlink_or_warn(path);
528 return 0;
531 static int mv(int argc, const char **argv)
533 struct option options[] = {
534 OPT_END()
536 struct remote *oldremote, *newremote;
537 struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT, buf3 = STRBUF_INIT;
538 struct string_list remote_branches = { NULL, 0, 0, 0 };
539 struct rename_info rename;
540 int i;
542 if (argc != 3)
543 usage_with_options(builtin_remote_usage, options);
545 rename.old = argv[1];
546 rename.new = argv[2];
547 rename.remote_branches = &remote_branches;
549 oldremote = remote_get(rename.old);
550 if (!oldremote)
551 die("No such remote: %s", rename.old);
553 if (!strcmp(rename.old, rename.new) && oldremote->origin != REMOTE_CONFIG)
554 return migrate_file(oldremote);
556 newremote = remote_get(rename.new);
557 if (newremote && (newremote->url_nr > 1 || newremote->fetch_refspec_nr))
558 die("remote %s already exists.", rename.new);
560 strbuf_addf(&buf, "refs/heads/test:refs/remotes/%s/test", rename.new);
561 if (!valid_fetch_refspec(buf.buf))
562 die("'%s' is not a valid remote name", rename.new);
564 strbuf_reset(&buf);
565 strbuf_addf(&buf, "remote.%s", rename.old);
566 strbuf_addf(&buf2, "remote.%s", rename.new);
567 if (git_config_rename_section(buf.buf, buf2.buf) < 1)
568 return error("Could not rename config section '%s' to '%s'",
569 buf.buf, buf2.buf);
571 strbuf_reset(&buf);
572 strbuf_addf(&buf, "remote.%s.fetch", rename.new);
573 if (git_config_set_multivar(buf.buf, NULL, NULL, 1))
574 return error("Could not remove config section '%s'", buf.buf);
575 for (i = 0; i < oldremote->fetch_refspec_nr; i++) {
576 char *ptr;
578 strbuf_reset(&buf2);
579 strbuf_addstr(&buf2, oldremote->fetch_refspec[i]);
580 ptr = strstr(buf2.buf, rename.old);
581 if (ptr)
582 strbuf_splice(&buf2, ptr-buf2.buf, strlen(rename.old),
583 rename.new, strlen(rename.new));
584 if (git_config_set_multivar(buf.buf, buf2.buf, "^$", 0))
585 return error("Could not append '%s'", buf.buf);
588 read_branches();
589 for (i = 0; i < branch_list.nr; i++) {
590 struct string_list_item *item = branch_list.items + i;
591 struct branch_info *info = item->util;
592 if (info->remote_name && !strcmp(info->remote_name, rename.old)) {
593 strbuf_reset(&buf);
594 strbuf_addf(&buf, "branch.%s.remote", item->string);
595 if (git_config_set(buf.buf, rename.new)) {
596 return error("Could not set '%s'", buf.buf);
602 * First remove symrefs, then rename the rest, finally create
603 * the new symrefs.
605 for_each_ref(read_remote_branches, &rename);
606 for (i = 0; i < remote_branches.nr; i++) {
607 struct string_list_item *item = remote_branches.items + i;
608 int flag = 0;
609 unsigned char sha1[20];
611 resolve_ref(item->string, sha1, 1, &flag);
612 if (!(flag & REF_ISSYMREF))
613 continue;
614 if (delete_ref(item->string, NULL, REF_NODEREF))
615 die("deleting '%s' failed", item->string);
617 for (i = 0; i < remote_branches.nr; i++) {
618 struct string_list_item *item = remote_branches.items + i;
620 if (item->util)
621 continue;
622 strbuf_reset(&buf);
623 strbuf_addstr(&buf, item->string);
624 strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
625 rename.new, strlen(rename.new));
626 strbuf_reset(&buf2);
627 strbuf_addf(&buf2, "remote: renamed %s to %s",
628 item->string, buf.buf);
629 if (rename_ref(item->string, buf.buf, buf2.buf))
630 die("renaming '%s' failed", item->string);
632 for (i = 0; i < remote_branches.nr; i++) {
633 struct string_list_item *item = remote_branches.items + i;
635 if (!item->util)
636 continue;
637 strbuf_reset(&buf);
638 strbuf_addstr(&buf, item->string);
639 strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
640 rename.new, strlen(rename.new));
641 strbuf_reset(&buf2);
642 strbuf_addstr(&buf2, item->util);
643 strbuf_splice(&buf2, strlen("refs/remotes/"), strlen(rename.old),
644 rename.new, strlen(rename.new));
645 strbuf_reset(&buf3);
646 strbuf_addf(&buf3, "remote: renamed %s to %s",
647 item->string, buf.buf);
648 if (create_symref(buf.buf, buf2.buf, buf3.buf))
649 die("creating '%s' failed", buf.buf);
651 return 0;
654 static int remove_branches(struct string_list *branches)
656 int i, result = 0;
657 for (i = 0; i < branches->nr; i++) {
658 struct string_list_item *item = branches->items + i;
659 const char *refname = item->string;
660 unsigned char *sha1 = item->util;
662 if (delete_ref(refname, sha1, 0))
663 result |= error("Could not remove branch %s", refname);
665 return result;
668 static int rm(int argc, const char **argv)
670 struct option options[] = {
671 OPT_END()
673 struct remote *remote;
674 struct strbuf buf = STRBUF_INIT;
675 struct known_remotes known_remotes = { NULL, NULL };
676 struct string_list branches = { NULL, 0, 0, 1 };
677 struct string_list skipped = { NULL, 0, 0, 1 };
678 struct branches_for_remote cb_data = {
679 NULL, &branches, &skipped, &known_remotes
681 int i, result;
683 if (argc != 2)
684 usage_with_options(builtin_remote_usage, options);
686 remote = remote_get(argv[1]);
687 if (!remote)
688 die("No such remote: %s", argv[1]);
690 known_remotes.to_delete = remote;
691 for_each_remote(add_known_remote, &known_remotes);
693 strbuf_addf(&buf, "remote.%s", remote->name);
694 if (git_config_rename_section(buf.buf, NULL) < 1)
695 return error("Could not remove config section '%s'", buf.buf);
697 read_branches();
698 for (i = 0; i < branch_list.nr; i++) {
699 struct string_list_item *item = branch_list.items + i;
700 struct branch_info *info = item->util;
701 if (info->remote_name && !strcmp(info->remote_name, remote->name)) {
702 const char *keys[] = { "remote", "merge", NULL }, **k;
703 for (k = keys; *k; k++) {
704 strbuf_reset(&buf);
705 strbuf_addf(&buf, "branch.%s.%s",
706 item->string, *k);
707 if (git_config_set(buf.buf, NULL)) {
708 strbuf_release(&buf);
709 return -1;
716 * We cannot just pass a function to for_each_ref() which deletes
717 * the branches one by one, since for_each_ref() relies on cached
718 * refs, which are invalidated when deleting a branch.
720 cb_data.remote = remote;
721 result = for_each_ref(add_branch_for_removal, &cb_data);
722 strbuf_release(&buf);
724 if (!result)
725 result = remove_branches(&branches);
726 string_list_clear(&branches, 1);
728 if (skipped.nr) {
729 fprintf(stderr, skipped.nr == 1 ?
730 "Note: A non-remote branch was not removed; "
731 "to delete it, use:\n" :
732 "Note: Non-remote branches were not removed; "
733 "to delete them, use:\n");
734 for (i = 0; i < skipped.nr; i++)
735 fprintf(stderr, " git branch -d %s\n",
736 skipped.items[i].string);
738 string_list_clear(&skipped, 0);
740 return result;
743 static void clear_push_info(void *util, const char *string)
745 struct push_info *info = util;
746 free(info->dest);
747 free(info);
750 static void free_remote_ref_states(struct ref_states *states)
752 string_list_clear(&states->new, 0);
753 string_list_clear(&states->stale, 0);
754 string_list_clear(&states->tracked, 0);
755 string_list_clear(&states->heads, 0);
756 string_list_clear_func(&states->push, clear_push_info);
759 static int append_ref_to_tracked_list(const char *refname,
760 const unsigned char *sha1, int flags, void *cb_data)
762 struct ref_states *states = cb_data;
763 struct refspec refspec;
765 if (flags & REF_ISSYMREF)
766 return 0;
768 memset(&refspec, 0, sizeof(refspec));
769 refspec.dst = (char *)refname;
770 if (!remote_find_tracking(states->remote, &refspec))
771 string_list_append(abbrev_branch(refspec.src), &states->tracked);
773 return 0;
776 static int get_remote_ref_states(const char *name,
777 struct ref_states *states,
778 int query)
780 struct transport *transport;
781 const struct ref *remote_refs;
783 states->remote = remote_get(name);
784 if (!states->remote)
785 return error("No such remote: %s", name);
787 read_branches();
789 if (query) {
790 transport = transport_get(states->remote, states->remote->url_nr > 0 ?
791 states->remote->url[0] : NULL);
792 remote_refs = transport_get_remote_refs(transport);
793 transport_disconnect(transport);
795 states->queried = 1;
796 if (query & GET_REF_STATES)
797 get_ref_states(remote_refs, states);
798 if (query & GET_HEAD_NAMES)
799 get_head_names(remote_refs, states);
800 if (query & GET_PUSH_REF_STATES)
801 get_push_ref_states(remote_refs, states);
802 } else {
803 for_each_ref(append_ref_to_tracked_list, states);
804 sort_string_list(&states->tracked);
805 get_push_ref_states_noquery(states);
808 return 0;
811 struct show_info {
812 struct string_list *list;
813 struct ref_states *states;
814 int width, width2;
815 int any_rebase;
818 static int add_remote_to_show_info(struct string_list_item *item, void *cb_data)
820 struct show_info *info = cb_data;
821 int n = strlen(item->string);
822 if (n > info->width)
823 info->width = n;
824 string_list_insert(item->string, info->list);
825 return 0;
828 static int show_remote_info_item(struct string_list_item *item, void *cb_data)
830 struct show_info *info = cb_data;
831 struct ref_states *states = info->states;
832 const char *name = item->string;
834 if (states->queried) {
835 const char *fmt = "%s";
836 const char *arg = "";
837 if (string_list_has_string(&states->new, name)) {
838 fmt = " new (next fetch will store in remotes/%s)";
839 arg = states->remote->name;
840 } else if (string_list_has_string(&states->tracked, name))
841 arg = " tracked";
842 else if (string_list_has_string(&states->stale, name))
843 arg = " stale (use 'git remote prune' to remove)";
844 else
845 arg = " ???";
846 printf(" %-*s", info->width, name);
847 printf(fmt, arg);
848 printf("\n");
849 } else
850 printf(" %s\n", name);
852 return 0;
855 static int add_local_to_show_info(struct string_list_item *branch_item, void *cb_data)
857 struct show_info *show_info = cb_data;
858 struct ref_states *states = show_info->states;
859 struct branch_info *branch_info = branch_item->util;
860 struct string_list_item *item;
861 int n;
863 if (!branch_info->merge.nr || !branch_info->remote_name ||
864 strcmp(states->remote->name, branch_info->remote_name))
865 return 0;
866 if ((n = strlen(branch_item->string)) > show_info->width)
867 show_info->width = n;
868 if (branch_info->rebase)
869 show_info->any_rebase = 1;
871 item = string_list_insert(branch_item->string, show_info->list);
872 item->util = branch_info;
874 return 0;
877 static int show_local_info_item(struct string_list_item *item, void *cb_data)
879 struct show_info *show_info = cb_data;
880 struct branch_info *branch_info = item->util;
881 struct string_list *merge = &branch_info->merge;
882 const char *also;
883 int i;
885 if (branch_info->rebase && branch_info->merge.nr > 1) {
886 error("invalid branch.%s.merge; cannot rebase onto > 1 branch",
887 item->string);
888 return 0;
891 printf(" %-*s ", show_info->width, item->string);
892 if (branch_info->rebase) {
893 printf("rebases onto remote %s\n", merge->items[0].string);
894 return 0;
895 } else if (show_info->any_rebase) {
896 printf(" merges with remote %s\n", merge->items[0].string);
897 also = " and with remote";
898 } else {
899 printf("merges with remote %s\n", merge->items[0].string);
900 also = " and with remote";
902 for (i = 1; i < merge->nr; i++)
903 printf(" %-*s %s %s\n", show_info->width, "", also,
904 merge->items[i].string);
906 return 0;
909 static int add_push_to_show_info(struct string_list_item *push_item, void *cb_data)
911 struct show_info *show_info = cb_data;
912 struct push_info *push_info = push_item->util;
913 struct string_list_item *item;
914 int n;
915 if ((n = strlen(push_item->string)) > show_info->width)
916 show_info->width = n;
917 if ((n = strlen(push_info->dest)) > show_info->width2)
918 show_info->width2 = n;
919 item = string_list_append(push_item->string, show_info->list);
920 item->util = push_item->util;
921 return 0;
925 * Sorting comparison for a string list that has push_info
926 * structs in its util field
928 static int cmp_string_with_push(const void *va, const void *vb)
930 const struct string_list_item *a = va;
931 const struct string_list_item *b = vb;
932 const struct push_info *a_push = a->util;
933 const struct push_info *b_push = b->util;
934 int cmp = strcmp(a->string, b->string);
935 return cmp ? cmp : strcmp(a_push->dest, b_push->dest);
938 static int show_push_info_item(struct string_list_item *item, void *cb_data)
940 struct show_info *show_info = cb_data;
941 struct push_info *push_info = item->util;
942 char *src = item->string, *status = NULL;
944 switch (push_info->status) {
945 case PUSH_STATUS_CREATE:
946 status = "create";
947 break;
948 case PUSH_STATUS_DELETE:
949 status = "delete";
950 src = "(none)";
951 break;
952 case PUSH_STATUS_UPTODATE:
953 status = "up to date";
954 break;
955 case PUSH_STATUS_FASTFORWARD:
956 status = "fast forwardable";
957 break;
958 case PUSH_STATUS_OUTOFDATE:
959 status = "local out of date";
960 break;
961 case PUSH_STATUS_NOTQUERIED:
962 break;
964 if (status)
965 printf(" %-*s %s to %-*s (%s)\n", show_info->width, src,
966 push_info->forced ? "forces" : "pushes",
967 show_info->width2, push_info->dest, status);
968 else
969 printf(" %-*s %s to %s\n", show_info->width, src,
970 push_info->forced ? "forces" : "pushes",
971 push_info->dest);
972 return 0;
975 static int show(int argc, const char **argv)
977 int no_query = 0, result = 0, query_flag = 0;
978 struct option options[] = {
979 OPT_GROUP("show specific options"),
980 OPT_BOOLEAN('n', NULL, &no_query, "do not query remotes"),
981 OPT_END()
983 struct ref_states states;
984 struct string_list info_list = { NULL, 0, 0, 0 };
985 struct show_info info;
987 argc = parse_options(argc, argv, NULL, options, builtin_remote_usage,
990 if (argc < 1)
991 return show_all();
993 if (!no_query)
994 query_flag = (GET_REF_STATES | GET_HEAD_NAMES | GET_PUSH_REF_STATES);
996 memset(&states, 0, sizeof(states));
997 memset(&info, 0, sizeof(info));
998 info.states = &states;
999 info.list = &info_list;
1000 for (; argc; argc--, argv++) {
1001 int i;
1002 const char **url;
1003 int url_nr;
1005 get_remote_ref_states(*argv, &states, query_flag);
1007 printf("* remote %s\n", *argv);
1008 printf(" Fetch URL: %s\n", states.remote->url_nr > 0 ?
1009 states.remote->url[0] : "(no URL)");
1010 if (states.remote->pushurl_nr) {
1011 url = states.remote->pushurl;
1012 url_nr = states.remote->pushurl_nr;
1013 } else {
1014 url = states.remote->url;
1015 url_nr = states.remote->url_nr;
1017 for (i=0; i < url_nr; i++)
1018 printf(" Push URL: %s\n", url[i]);
1019 if (!i)
1020 printf(" Push URL: %s\n", "(no URL)");
1021 if (no_query)
1022 printf(" HEAD branch: (not queried)\n");
1023 else if (!states.heads.nr)
1024 printf(" HEAD branch: (unknown)\n");
1025 else if (states.heads.nr == 1)
1026 printf(" HEAD branch: %s\n", states.heads.items[0].string);
1027 else {
1028 printf(" HEAD branch (remote HEAD is ambiguous,"
1029 " may be one of the following):\n");
1030 for (i = 0; i < states.heads.nr; i++)
1031 printf(" %s\n", states.heads.items[i].string);
1034 /* remote branch info */
1035 info.width = 0;
1036 for_each_string_list(add_remote_to_show_info, &states.new, &info);
1037 for_each_string_list(add_remote_to_show_info, &states.tracked, &info);
1038 for_each_string_list(add_remote_to_show_info, &states.stale, &info);
1039 if (info.list->nr)
1040 printf(" Remote branch%s:%s\n",
1041 info.list->nr > 1 ? "es" : "",
1042 no_query ? " (status not queried)" : "");
1043 for_each_string_list(show_remote_info_item, info.list, &info);
1044 string_list_clear(info.list, 0);
1046 /* git pull info */
1047 info.width = 0;
1048 info.any_rebase = 0;
1049 for_each_string_list(add_local_to_show_info, &branch_list, &info);
1050 if (info.list->nr)
1051 printf(" Local branch%s configured for 'git pull':\n",
1052 info.list->nr > 1 ? "es" : "");
1053 for_each_string_list(show_local_info_item, info.list, &info);
1054 string_list_clear(info.list, 0);
1056 /* git push info */
1057 if (states.remote->mirror)
1058 printf(" Local refs will be mirrored by 'git push'\n");
1060 info.width = info.width2 = 0;
1061 for_each_string_list(add_push_to_show_info, &states.push, &info);
1062 qsort(info.list->items, info.list->nr,
1063 sizeof(*info.list->items), cmp_string_with_push);
1064 if (info.list->nr)
1065 printf(" Local ref%s configured for 'git push'%s:\n",
1066 info.list->nr > 1 ? "s" : "",
1067 no_query ? " (status not queried)" : "");
1068 for_each_string_list(show_push_info_item, info.list, &info);
1069 string_list_clear(info.list, 0);
1071 free_remote_ref_states(&states);
1074 return result;
1077 static int set_head(int argc, const char **argv)
1079 int i, opt_a = 0, opt_d = 0, result = 0;
1080 struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
1081 char *head_name = NULL;
1083 struct option options[] = {
1084 OPT_GROUP("set-head specific options"),
1085 OPT_BOOLEAN('a', "auto", &opt_a,
1086 "set refs/remotes/<name>/HEAD according to remote"),
1087 OPT_BOOLEAN('d', "delete", &opt_d,
1088 "delete refs/remotes/<name>/HEAD"),
1089 OPT_END()
1091 argc = parse_options(argc, argv, NULL, options, builtin_remote_usage,
1093 if (argc)
1094 strbuf_addf(&buf, "refs/remotes/%s/HEAD", argv[0]);
1096 if (!opt_a && !opt_d && argc == 2) {
1097 head_name = xstrdup(argv[1]);
1098 } else if (opt_a && !opt_d && argc == 1) {
1099 struct ref_states states;
1100 memset(&states, 0, sizeof(states));
1101 get_remote_ref_states(argv[0], &states, GET_HEAD_NAMES);
1102 if (!states.heads.nr)
1103 result |= error("Cannot determine remote HEAD");
1104 else if (states.heads.nr > 1) {
1105 result |= error("Multiple remote HEAD branches. "
1106 "Please choose one explicitly with:");
1107 for (i = 0; i < states.heads.nr; i++)
1108 fprintf(stderr, " git remote set-head %s %s\n",
1109 argv[0], states.heads.items[i].string);
1110 } else
1111 head_name = xstrdup(states.heads.items[0].string);
1112 free_remote_ref_states(&states);
1113 } else if (opt_d && !opt_a && argc == 1) {
1114 if (delete_ref(buf.buf, NULL, REF_NODEREF))
1115 result |= error("Could not delete %s", buf.buf);
1116 } else
1117 usage_with_options(builtin_remote_usage, options);
1119 if (head_name) {
1120 unsigned char sha1[20];
1121 strbuf_addf(&buf2, "refs/remotes/%s/%s", argv[0], head_name);
1122 /* make sure it's valid */
1123 if (!resolve_ref(buf2.buf, sha1, 1, NULL))
1124 result |= error("Not a valid ref: %s", buf2.buf);
1125 else if (create_symref(buf.buf, buf2.buf, "remote set-head"))
1126 result |= error("Could not setup %s", buf.buf);
1127 if (opt_a)
1128 printf("%s/HEAD set to %s\n", argv[0], head_name);
1129 free(head_name);
1132 strbuf_release(&buf);
1133 strbuf_release(&buf2);
1134 return result;
1137 static int prune(int argc, const char **argv)
1139 int dry_run = 0, result = 0;
1140 struct option options[] = {
1141 OPT_GROUP("prune specific options"),
1142 OPT__DRY_RUN(&dry_run),
1143 OPT_END()
1146 argc = parse_options(argc, argv, NULL, options, builtin_remote_usage,
1149 if (argc < 1)
1150 usage_with_options(builtin_remote_usage, options);
1152 for (; argc; argc--, argv++)
1153 result |= prune_remote(*argv, dry_run);
1155 return result;
1158 static int prune_remote(const char *remote, int dry_run)
1160 int result = 0, i;
1161 struct ref_states states;
1162 const char *dangling_msg = dry_run
1163 ? " %s will become dangling!\n"
1164 : " %s has become dangling!\n";
1166 memset(&states, 0, sizeof(states));
1167 get_remote_ref_states(remote, &states, GET_REF_STATES);
1169 if (states.stale.nr) {
1170 printf("Pruning %s\n", remote);
1171 printf("URL: %s\n",
1172 states.remote->url_nr
1173 ? states.remote->url[0]
1174 : "(no URL)");
1177 for (i = 0; i < states.stale.nr; i++) {
1178 const char *refname = states.stale.items[i].util;
1180 if (!dry_run)
1181 result |= delete_ref(refname, NULL, 0);
1183 printf(" * [%s] %s\n", dry_run ? "would prune" : "pruned",
1184 abbrev_ref(refname, "refs/remotes/"));
1185 warn_dangling_symref(dangling_msg, refname);
1188 free_remote_ref_states(&states);
1189 return result;
1192 static int get_one_remote_for_update(struct remote *remote, void *priv)
1194 struct string_list *list = priv;
1195 if (!remote->skip_default_update)
1196 string_list_append(remote->name, list);
1197 return 0;
1200 static struct remote_group {
1201 const char *name;
1202 struct string_list *list;
1203 } remote_group;
1205 static int get_remote_group(const char *key, const char *value, void *num_hits)
1207 if (!prefixcmp(key, "remotes.") &&
1208 !strcmp(key + 8, remote_group.name)) {
1209 /* split list by white space */
1210 int space = strcspn(value, " \t\n");
1211 while (*value) {
1212 if (space > 1) {
1213 string_list_append(xstrndup(value, space),
1214 remote_group.list);
1215 ++*((int *)num_hits);
1217 value += space + (value[space] != '\0');
1218 space = strcspn(value, " \t\n");
1222 return 0;
1225 static int update(int argc, const char **argv)
1227 int i, result = 0, prune = 0;
1228 struct string_list list = { NULL, 0, 0, 0 };
1229 static const char *default_argv[] = { NULL, "default", NULL };
1230 struct option options[] = {
1231 OPT_GROUP("update specific options"),
1232 OPT_BOOLEAN('p', "prune", &prune,
1233 "prune remotes after fetching"),
1234 OPT_END()
1237 argc = parse_options(argc, argv, NULL, options, builtin_remote_usage,
1238 PARSE_OPT_KEEP_ARGV0);
1239 if (argc < 2) {
1240 argc = 2;
1241 argv = default_argv;
1244 remote_group.list = &list;
1245 for (i = 1; i < argc; i++) {
1246 int groups_found = 0;
1247 remote_group.name = argv[i];
1248 result = git_config(get_remote_group, &groups_found);
1249 if (!groups_found && (i != 1 || strcmp(argv[1], "default"))) {
1250 struct remote *remote;
1251 if (!remote_is_configured(argv[i]))
1252 die("No such remote or remote group: %s",
1253 argv[i]);
1254 remote = remote_get(argv[i]);
1255 string_list_append(remote->name, remote_group.list);
1259 if (!result && !list.nr && argc == 2 && !strcmp(argv[1], "default"))
1260 result = for_each_remote(get_one_remote_for_update, &list);
1262 for (i = 0; i < list.nr; i++) {
1263 int err = fetch_remote(list.items[i].string);
1264 result |= err;
1265 if (!err && prune)
1266 result |= prune_remote(list.items[i].string, 0);
1269 /* all names were strdup()ed or strndup()ed */
1270 list.strdup_strings = 1;
1271 string_list_clear(&list, 0);
1273 return result;
1276 static int get_one_entry(struct remote *remote, void *priv)
1278 struct string_list *list = priv;
1279 struct strbuf url_buf = STRBUF_INIT;
1280 const char **url;
1281 int i, url_nr;
1283 if (remote->url_nr > 0) {
1284 strbuf_addf(&url_buf, "%s (fetch)", remote->url[0]);
1285 string_list_append(remote->name, list)->util =
1286 strbuf_detach(&url_buf, NULL);
1287 } else
1288 string_list_append(remote->name, list)->util = NULL;
1289 if (remote->pushurl_nr) {
1290 url = remote->pushurl;
1291 url_nr = remote->pushurl_nr;
1292 } else {
1293 url = remote->url;
1294 url_nr = remote->url_nr;
1296 for (i = 0; i < url_nr; i++)
1298 strbuf_addf(&url_buf, "%s (push)", url[i]);
1299 string_list_append(remote->name, list)->util =
1300 strbuf_detach(&url_buf, NULL);
1303 return 0;
1306 static int show_all(void)
1308 struct string_list list = { NULL, 0, 0 };
1309 int result;
1311 list.strdup_strings = 1;
1312 result = for_each_remote(get_one_entry, &list);
1314 if (!result) {
1315 int i;
1317 sort_string_list(&list);
1318 for (i = 0; i < list.nr; i++) {
1319 struct string_list_item *item = list.items + i;
1320 if (verbose)
1321 printf("%s\t%s\n", item->string,
1322 item->util ? (const char *)item->util : "");
1323 else {
1324 if (i && !strcmp((item - 1)->string, item->string))
1325 continue;
1326 printf("%s\n", item->string);
1330 string_list_clear(&list, 1);
1331 return result;
1334 int cmd_remote(int argc, const char **argv, const char *prefix)
1336 struct option options[] = {
1337 OPT__VERBOSE(&verbose),
1338 OPT_END()
1340 int result;
1342 argc = parse_options(argc, argv, prefix, options, builtin_remote_usage,
1343 PARSE_OPT_STOP_AT_NON_OPTION);
1345 if (argc < 1)
1346 result = show_all();
1347 else if (!strcmp(argv[0], "add"))
1348 result = add(argc, argv);
1349 else if (!strcmp(argv[0], "rename"))
1350 result = mv(argc, argv);
1351 else if (!strcmp(argv[0], "rm"))
1352 result = rm(argc, argv);
1353 else if (!strcmp(argv[0], "set-head"))
1354 result = set_head(argc, argv);
1355 else if (!strcmp(argv[0], "show"))
1356 result = show(argc, argv);
1357 else if (!strcmp(argv[0], "prune"))
1358 result = prune(argc, argv);
1359 else if (!strcmp(argv[0], "update"))
1360 result = update(argc, argv);
1361 else {
1362 error("Unknown subcommand: %s", argv[0]);
1363 usage_with_options(builtin_remote_usage, options);
1366 return result ? 1 : 0;