Merge commit 'git/master'
[git/git-bigfiles.git] / builtin-remote.c
blob993acd6a09869e23b3f8e67f0dddbddc946e6c5f
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 [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);
30 static inline int postfixcmp(const char *string, const char *postfix)
32 int len1 = strlen(string), len2 = strlen(postfix);
33 if (len1 < len2)
34 return 1;
35 return strcmp(string + len1 - len2, postfix);
38 static int opt_parse_track(const struct option *opt, const char *arg, int not)
40 struct string_list *list = opt->value;
41 if (not)
42 string_list_clear(list, 0);
43 else
44 string_list_append(arg, list);
45 return 0;
48 static int fetch_remote(const char *name)
50 const char *argv[] = { "fetch", name, NULL, NULL };
51 if (verbose) {
52 argv[1] = "-v";
53 argv[2] = name;
55 printf("Updating %s\n", name);
56 if (run_command_v_opt(argv, RUN_GIT_CMD))
57 return error("Could not fetch %s", name);
58 return 0;
61 static int add(int argc, const char **argv)
63 int fetch = 0, mirror = 0;
64 struct string_list track = { NULL, 0, 0 };
65 const char *master = NULL;
66 struct remote *remote;
67 struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
68 const char *name, *url;
69 int i;
71 struct option options[] = {
72 OPT_GROUP("add specific options"),
73 OPT_BOOLEAN('f', "fetch", &fetch, "fetch the remote branches"),
74 OPT_CALLBACK('t', "track", &track, "branch",
75 "branch(es) to track", opt_parse_track),
76 OPT_STRING('m', "master", &master, "branch", "master branch"),
77 OPT_BOOLEAN(0, "mirror", &mirror, "no separate remotes"),
78 OPT_END()
81 argc = parse_options(argc, argv, options, builtin_remote_usage, 0);
83 if (argc < 2)
84 usage_with_options(builtin_remote_usage, options);
86 name = argv[0];
87 url = argv[1];
89 remote = remote_get(name);
90 if (remote && (remote->url_nr > 1 || strcmp(name, remote->url[0]) ||
91 remote->fetch_refspec_nr))
92 die("remote %s already exists.", name);
94 strbuf_addf(&buf2, "refs/heads/test:refs/remotes/%s/test", name);
95 if (!valid_fetch_refspec(buf2.buf))
96 die("'%s' is not a valid remote name", name);
98 strbuf_addf(&buf, "remote.%s.url", name);
99 if (git_config_set(buf.buf, url))
100 return 1;
102 strbuf_reset(&buf);
103 strbuf_addf(&buf, "remote.%s.fetch", name);
105 if (track.nr == 0)
106 string_list_append("*", &track);
107 for (i = 0; i < track.nr; i++) {
108 struct string_list_item *item = track.items + i;
110 strbuf_reset(&buf2);
111 strbuf_addch(&buf2, '+');
112 if (mirror)
113 strbuf_addf(&buf2, "refs/%s:refs/%s",
114 item->string, item->string);
115 else
116 strbuf_addf(&buf2, "refs/heads/%s:refs/remotes/%s/%s",
117 item->string, name, item->string);
118 if (git_config_set_multivar(buf.buf, buf2.buf, "^$", 0))
119 return 1;
122 if (mirror) {
123 strbuf_reset(&buf);
124 strbuf_addf(&buf, "remote.%s.mirror", name);
125 if (git_config_set(buf.buf, "true"))
126 return 1;
129 if (fetch && fetch_remote(name))
130 return 1;
132 if (master) {
133 strbuf_reset(&buf);
134 strbuf_addf(&buf, "refs/remotes/%s/HEAD", name);
136 strbuf_reset(&buf2);
137 strbuf_addf(&buf2, "refs/remotes/%s/%s", name, master);
139 if (create_symref(buf.buf, buf2.buf, "remote add"))
140 return error("Could not setup master '%s'", master);
143 strbuf_release(&buf);
144 strbuf_release(&buf2);
145 string_list_clear(&track, 0);
147 return 0;
150 struct branch_info {
151 char *remote_name;
152 struct string_list merge;
153 int rebase;
156 static struct string_list branch_list;
158 static const char *abbrev_ref(const char *name, const char *prefix)
160 const char *abbrev = skip_prefix(name, prefix);
161 if (abbrev)
162 return abbrev;
163 return name;
165 #define abbrev_branch(name) abbrev_ref((name), "refs/heads/")
167 static int config_read_branches(const char *key, const char *value, void *cb)
169 if (!prefixcmp(key, "branch.")) {
170 const char *orig_key = key;
171 char *name;
172 struct string_list_item *item;
173 struct branch_info *info;
174 enum { REMOTE, MERGE, REBASE } type;
176 key += 7;
177 if (!postfixcmp(key, ".remote")) {
178 name = xstrndup(key, strlen(key) - 7);
179 type = REMOTE;
180 } else if (!postfixcmp(key, ".merge")) {
181 name = xstrndup(key, strlen(key) - 6);
182 type = MERGE;
183 } else if (!postfixcmp(key, ".rebase")) {
184 name = xstrndup(key, strlen(key) - 7);
185 type = REBASE;
186 } else
187 return 0;
189 item = string_list_insert(name, &branch_list);
191 if (!item->util)
192 item->util = xcalloc(sizeof(struct branch_info), 1);
193 info = item->util;
194 if (type == REMOTE) {
195 if (info->remote_name)
196 warning("more than one %s", orig_key);
197 info->remote_name = xstrdup(value);
198 } else if (type == MERGE) {
199 char *space = strchr(value, ' ');
200 value = abbrev_branch(value);
201 while (space) {
202 char *merge;
203 merge = xstrndup(value, space - value);
204 string_list_append(merge, &info->merge);
205 value = abbrev_branch(space + 1);
206 space = strchr(value, ' ');
208 string_list_append(xstrdup(value), &info->merge);
209 } else
210 info->rebase = git_config_bool(orig_key, value);
212 return 0;
215 static void read_branches(void)
217 if (branch_list.nr)
218 return;
219 git_config(config_read_branches, NULL);
222 struct ref_states {
223 struct remote *remote;
224 struct string_list new, stale, tracked, heads, push;
225 int queried;
228 static int handle_one_branch(const char *refname,
229 const unsigned char *sha1, int flags, void *cb_data)
231 struct ref_states *states = cb_data;
232 struct refspec refspec;
234 memset(&refspec, 0, sizeof(refspec));
235 refspec.dst = (char *)refname;
236 if (!remote_find_tracking(states->remote, &refspec)) {
237 struct string_list_item *item;
238 const char *name = abbrev_branch(refspec.src);
239 /* symbolic refs pointing nowhere were handled already */
240 if ((flags & REF_ISSYMREF) ||
241 string_list_has_string(&states->tracked, name) ||
242 string_list_has_string(&states->new, name))
243 return 0;
244 item = string_list_append(name, &states->stale);
245 item->util = xstrdup(refname);
247 return 0;
250 static int get_ref_states(const struct ref *remote_refs, struct ref_states *states)
252 struct ref *fetch_map = NULL, **tail = &fetch_map;
253 struct ref *ref;
254 int i;
256 for (i = 0; i < states->remote->fetch_refspec_nr; i++)
257 if (get_fetch_map(remote_refs, states->remote->fetch + i, &tail, 1))
258 die("Could not get fetch map for refspec %s",
259 states->remote->fetch_refspec[i]);
261 states->new.strdup_strings = states->tracked.strdup_strings = 1;
262 for (ref = fetch_map; ref; ref = ref->next) {
263 unsigned char sha1[20];
264 if (!ref->peer_ref || read_ref(ref->peer_ref->name, sha1))
265 string_list_append(abbrev_branch(ref->name), &states->new);
266 else
267 string_list_append(abbrev_branch(ref->name), &states->tracked);
269 free_refs(fetch_map);
271 sort_string_list(&states->new);
272 sort_string_list(&states->tracked);
273 for_each_ref(handle_one_branch, states);
274 sort_string_list(&states->stale);
276 return 0;
279 struct push_info {
280 char *dest;
281 int forced;
282 enum {
283 PUSH_STATUS_CREATE = 0,
284 PUSH_STATUS_DELETE,
285 PUSH_STATUS_UPTODATE,
286 PUSH_STATUS_FASTFORWARD,
287 PUSH_STATUS_OUTOFDATE,
288 PUSH_STATUS_NOTQUERIED,
289 } status;
292 static int get_push_ref_states(const struct ref *remote_refs,
293 struct ref_states *states)
295 struct remote *remote = states->remote;
296 struct ref *ref, *local_refs, *push_map, **push_tail;
297 if (remote->mirror)
298 return 0;
300 local_refs = get_local_heads();
301 ref = push_map = copy_ref_list(remote_refs);
302 while (ref->next)
303 ref = ref->next;
304 push_tail = &ref->next;
306 match_refs(local_refs, push_map, &push_tail, remote->push_refspec_nr,
307 remote->push_refspec, MATCH_REFS_NONE);
309 states->push.strdup_strings = 1;
310 for (ref = push_map; ref; ref = ref->next) {
311 struct string_list_item *item;
312 struct push_info *info;
314 if (!ref->peer_ref)
315 continue;
316 hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
318 item = string_list_append(abbrev_branch(ref->peer_ref->name),
319 &states->push);
320 item->util = xcalloc(sizeof(struct push_info), 1);
321 info = item->util;
322 info->forced = ref->force;
323 info->dest = xstrdup(abbrev_branch(ref->name));
325 if (is_null_sha1(ref->new_sha1)) {
326 info->status = PUSH_STATUS_DELETE;
327 } else if (!hashcmp(ref->old_sha1, ref->new_sha1))
328 info->status = PUSH_STATUS_UPTODATE;
329 else if (is_null_sha1(ref->old_sha1))
330 info->status = PUSH_STATUS_CREATE;
331 else if (has_sha1_file(ref->old_sha1) &&
332 ref_newer(ref->new_sha1, ref->old_sha1))
333 info->status = PUSH_STATUS_FASTFORWARD;
334 else
335 info->status = PUSH_STATUS_OUTOFDATE;
337 free_refs(local_refs);
338 free_refs(push_map);
339 return 0;
342 static int get_push_ref_states_noquery(struct ref_states *states)
344 int i;
345 struct remote *remote = states->remote;
346 struct string_list_item *item;
347 struct push_info *info;
349 if (remote->mirror)
350 return 0;
352 states->push.strdup_strings = 1;
353 if (!remote->push_refspec_nr) {
354 item = string_list_append("(matching)", &states->push);
355 info = item->util = xcalloc(sizeof(struct push_info), 1);
356 info->status = PUSH_STATUS_NOTQUERIED;
357 info->dest = xstrdup(item->string);
359 for (i = 0; i < remote->push_refspec_nr; i++) {
360 struct refspec *spec = remote->push + i;
361 if (spec->matching)
362 item = string_list_append("(matching)", &states->push);
363 else if (strlen(spec->src))
364 item = string_list_append(spec->src, &states->push);
365 else
366 item = string_list_append("(delete)", &states->push);
368 info = item->util = xcalloc(sizeof(struct push_info), 1);
369 info->forced = spec->force;
370 info->status = PUSH_STATUS_NOTQUERIED;
371 info->dest = xstrdup(spec->dst ? spec->dst : item->string);
373 return 0;
376 static int get_head_names(const struct ref *remote_refs, struct ref_states *states)
378 struct ref *ref, *matches;
379 struct ref *fetch_map = NULL, **fetch_map_tail = &fetch_map;
380 struct refspec refspec;
382 refspec.force = 0;
383 refspec.pattern = 1;
384 refspec.src = refspec.dst = "refs/heads/*";
385 states->heads.strdup_strings = 1;
386 get_fetch_map(remote_refs, &refspec, &fetch_map_tail, 0);
387 matches = guess_remote_head(find_ref_by_name(remote_refs, "HEAD"),
388 fetch_map, 1);
389 for(ref = matches; ref; ref = ref->next)
390 string_list_append(abbrev_branch(ref->name), &states->heads);
392 free_refs(fetch_map);
393 free_refs(matches);
395 return 0;
398 struct known_remote {
399 struct known_remote *next;
400 struct remote *remote;
403 struct known_remotes {
404 struct remote *to_delete;
405 struct known_remote *list;
408 static int add_known_remote(struct remote *remote, void *cb_data)
410 struct known_remotes *all = cb_data;
411 struct known_remote *r;
413 if (!strcmp(all->to_delete->name, remote->name))
414 return 0;
416 r = xmalloc(sizeof(*r));
417 r->remote = remote;
418 r->next = all->list;
419 all->list = r;
420 return 0;
423 struct branches_for_remote {
424 struct remote *remote;
425 struct string_list *branches, *skipped;
426 struct known_remotes *keep;
429 static int add_branch_for_removal(const char *refname,
430 const unsigned char *sha1, int flags, void *cb_data)
432 struct branches_for_remote *branches = cb_data;
433 struct refspec refspec;
434 struct string_list_item *item;
435 struct known_remote *kr;
437 memset(&refspec, 0, sizeof(refspec));
438 refspec.dst = (char *)refname;
439 if (remote_find_tracking(branches->remote, &refspec))
440 return 0;
442 /* don't delete a branch if another remote also uses it */
443 for (kr = branches->keep->list; kr; kr = kr->next) {
444 memset(&refspec, 0, sizeof(refspec));
445 refspec.dst = (char *)refname;
446 if (!remote_find_tracking(kr->remote, &refspec))
447 return 0;
450 /* don't delete non-remote refs */
451 if (prefixcmp(refname, "refs/remotes")) {
452 /* advise user how to delete local branches */
453 if (!prefixcmp(refname, "refs/heads/"))
454 string_list_append(abbrev_branch(refname),
455 branches->skipped);
456 /* silently skip over other non-remote refs */
457 return 0;
460 /* make sure that symrefs are deleted */
461 if (flags & REF_ISSYMREF)
462 return unlink(git_path("%s", refname));
464 item = string_list_append(refname, branches->branches);
465 item->util = xmalloc(20);
466 hashcpy(item->util, sha1);
468 return 0;
471 struct rename_info {
472 const char *old;
473 const char *new;
474 struct string_list *remote_branches;
477 static int read_remote_branches(const char *refname,
478 const unsigned char *sha1, int flags, void *cb_data)
480 struct rename_info *rename = cb_data;
481 struct strbuf buf = STRBUF_INIT;
482 struct string_list_item *item;
483 int flag;
484 unsigned char orig_sha1[20];
485 const char *symref;
487 strbuf_addf(&buf, "refs/remotes/%s", rename->old);
488 if(!prefixcmp(refname, buf.buf)) {
489 item = string_list_append(xstrdup(refname), rename->remote_branches);
490 symref = resolve_ref(refname, orig_sha1, 1, &flag);
491 if (flag & REF_ISSYMREF)
492 item->util = xstrdup(symref);
493 else
494 item->util = NULL;
497 return 0;
500 static int migrate_file(struct remote *remote)
502 struct strbuf buf = STRBUF_INIT;
503 int i;
504 char *path = NULL;
506 strbuf_addf(&buf, "remote.%s.url", remote->name);
507 for (i = 0; i < remote->url_nr; i++)
508 if (git_config_set_multivar(buf.buf, remote->url[i], "^$", 0))
509 return error("Could not append '%s' to '%s'",
510 remote->url[i], buf.buf);
511 strbuf_reset(&buf);
512 strbuf_addf(&buf, "remote.%s.push", remote->name);
513 for (i = 0; i < remote->push_refspec_nr; i++)
514 if (git_config_set_multivar(buf.buf, remote->push_refspec[i], "^$", 0))
515 return error("Could not append '%s' to '%s'",
516 remote->push_refspec[i], buf.buf);
517 strbuf_reset(&buf);
518 strbuf_addf(&buf, "remote.%s.fetch", remote->name);
519 for (i = 0; i < remote->fetch_refspec_nr; i++)
520 if (git_config_set_multivar(buf.buf, remote->fetch_refspec[i], "^$", 0))
521 return error("Could not append '%s' to '%s'",
522 remote->fetch_refspec[i], buf.buf);
523 if (remote->origin == REMOTE_REMOTES)
524 path = git_path("remotes/%s", remote->name);
525 else if (remote->origin == REMOTE_BRANCHES)
526 path = git_path("branches/%s", remote->name);
527 if (path && unlink(path))
528 warning("failed to remove '%s'", path);
529 return 0;
532 static int mv(int argc, const char **argv)
534 struct option options[] = {
535 OPT_END()
537 struct remote *oldremote, *newremote;
538 struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT, buf3 = STRBUF_INIT;
539 struct string_list remote_branches = { NULL, 0, 0, 0 };
540 struct rename_info rename;
541 int i;
543 if (argc != 3)
544 usage_with_options(builtin_remote_usage, options);
546 rename.old = argv[1];
547 rename.new = argv[2];
548 rename.remote_branches = &remote_branches;
550 oldremote = remote_get(rename.old);
551 if (!oldremote)
552 die("No such remote: %s", rename.old);
554 if (!strcmp(rename.old, rename.new) && oldremote->origin != REMOTE_CONFIG)
555 return migrate_file(oldremote);
557 newremote = remote_get(rename.new);
558 if (newremote && (newremote->url_nr > 1 || newremote->fetch_refspec_nr))
559 die("remote %s already exists.", rename.new);
561 strbuf_addf(&buf, "refs/heads/test:refs/remotes/%s/test", rename.new);
562 if (!valid_fetch_refspec(buf.buf))
563 die("'%s' is not a valid remote name", rename.new);
565 strbuf_reset(&buf);
566 strbuf_addf(&buf, "remote.%s", rename.old);
567 strbuf_addf(&buf2, "remote.%s", rename.new);
568 if (git_config_rename_section(buf.buf, buf2.buf) < 1)
569 return error("Could not rename config section '%s' to '%s'",
570 buf.buf, buf2.buf);
572 strbuf_reset(&buf);
573 strbuf_addf(&buf, "remote.%s.fetch", rename.new);
574 if (git_config_set_multivar(buf.buf, NULL, NULL, 1))
575 return error("Could not remove config section '%s'", buf.buf);
576 for (i = 0; i < oldremote->fetch_refspec_nr; i++) {
577 char *ptr;
579 strbuf_reset(&buf2);
580 strbuf_addstr(&buf2, oldremote->fetch_refspec[i]);
581 ptr = strstr(buf2.buf, rename.old);
582 if (ptr)
583 strbuf_splice(&buf2, ptr-buf2.buf, strlen(rename.old),
584 rename.new, strlen(rename.new));
585 if (git_config_set_multivar(buf.buf, buf2.buf, "^$", 0))
586 return error("Could not append '%s'", buf.buf);
589 read_branches();
590 for (i = 0; i < branch_list.nr; i++) {
591 struct string_list_item *item = branch_list.items + i;
592 struct branch_info *info = item->util;
593 if (info->remote_name && !strcmp(info->remote_name, rename.old)) {
594 strbuf_reset(&buf);
595 strbuf_addf(&buf, "branch.%s.remote", item->string);
596 if (git_config_set(buf.buf, rename.new)) {
597 return error("Could not set '%s'", buf.buf);
603 * First remove symrefs, then rename the rest, finally create
604 * the new symrefs.
606 for_each_ref(read_remote_branches, &rename);
607 for (i = 0; i < remote_branches.nr; i++) {
608 struct string_list_item *item = remote_branches.items + i;
609 int flag = 0;
610 unsigned char sha1[20];
612 resolve_ref(item->string, sha1, 1, &flag);
613 if (!(flag & REF_ISSYMREF))
614 continue;
615 if (delete_ref(item->string, NULL, REF_NODEREF))
616 die("deleting '%s' failed", item->string);
618 for (i = 0; i < remote_branches.nr; i++) {
619 struct string_list_item *item = remote_branches.items + i;
621 if (item->util)
622 continue;
623 strbuf_reset(&buf);
624 strbuf_addstr(&buf, item->string);
625 strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
626 rename.new, strlen(rename.new));
627 strbuf_reset(&buf2);
628 strbuf_addf(&buf2, "remote: renamed %s to %s",
629 item->string, buf.buf);
630 if (rename_ref(item->string, buf.buf, buf2.buf))
631 die("renaming '%s' failed", item->string);
633 for (i = 0; i < remote_branches.nr; i++) {
634 struct string_list_item *item = remote_branches.items + i;
636 if (!item->util)
637 continue;
638 strbuf_reset(&buf);
639 strbuf_addstr(&buf, item->string);
640 strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
641 rename.new, strlen(rename.new));
642 strbuf_reset(&buf2);
643 strbuf_addstr(&buf2, item->util);
644 strbuf_splice(&buf2, strlen("refs/remotes/"), strlen(rename.old),
645 rename.new, strlen(rename.new));
646 strbuf_reset(&buf3);
647 strbuf_addf(&buf3, "remote: renamed %s to %s",
648 item->string, buf.buf);
649 if (create_symref(buf.buf, buf2.buf, buf3.buf))
650 die("creating '%s' failed", buf.buf);
652 return 0;
655 static int remove_branches(struct string_list *branches)
657 int i, result = 0;
658 for (i = 0; i < branches->nr; i++) {
659 struct string_list_item *item = branches->items + i;
660 const char *refname = item->string;
661 unsigned char *sha1 = item->util;
663 if (delete_ref(refname, sha1, 0))
664 result |= error("Could not remove branch %s", refname);
666 return result;
669 static int rm(int argc, const char **argv)
671 struct option options[] = {
672 OPT_END()
674 struct remote *remote;
675 struct strbuf buf = STRBUF_INIT;
676 struct known_remotes known_remotes = { NULL, NULL };
677 struct string_list branches = { NULL, 0, 0, 1 };
678 struct string_list skipped = { NULL, 0, 0, 1 };
679 struct branches_for_remote cb_data = {
680 NULL, &branches, &skipped, &known_remotes
682 int i, result;
684 if (argc != 2)
685 usage_with_options(builtin_remote_usage, options);
687 remote = remote_get(argv[1]);
688 if (!remote)
689 die("No such remote: %s", argv[1]);
691 known_remotes.to_delete = remote;
692 for_each_remote(add_known_remote, &known_remotes);
694 strbuf_addf(&buf, "remote.%s", remote->name);
695 if (git_config_rename_section(buf.buf, NULL) < 1)
696 return error("Could not remove config section '%s'", buf.buf);
698 read_branches();
699 for (i = 0; i < branch_list.nr; i++) {
700 struct string_list_item *item = branch_list.items + i;
701 struct branch_info *info = item->util;
702 if (info->remote_name && !strcmp(info->remote_name, remote->name)) {
703 const char *keys[] = { "remote", "merge", NULL }, **k;
704 for (k = keys; *k; k++) {
705 strbuf_reset(&buf);
706 strbuf_addf(&buf, "branch.%s.%s",
707 item->string, *k);
708 if (git_config_set(buf.buf, NULL)) {
709 strbuf_release(&buf);
710 return -1;
717 * We cannot just pass a function to for_each_ref() which deletes
718 * the branches one by one, since for_each_ref() relies on cached
719 * refs, which are invalidated when deleting a branch.
721 cb_data.remote = remote;
722 result = for_each_ref(add_branch_for_removal, &cb_data);
723 strbuf_release(&buf);
725 if (!result)
726 result = remove_branches(&branches);
727 string_list_clear(&branches, 1);
729 if (skipped.nr) {
730 fprintf(stderr, skipped.nr == 1 ?
731 "Note: A non-remote branch was not removed; "
732 "to delete it, use:\n" :
733 "Note: Non-remote branches were not removed; "
734 "to delete them, use:\n");
735 for (i = 0; i < skipped.nr; i++)
736 fprintf(stderr, " git branch -d %s\n",
737 skipped.items[i].string);
739 string_list_clear(&skipped, 0);
741 return result;
744 void clear_push_info(void *util, const char *string)
746 struct push_info *info = util;
747 free(info->dest);
748 free(info);
751 static void free_remote_ref_states(struct ref_states *states)
753 string_list_clear(&states->new, 0);
754 string_list_clear(&states->stale, 0);
755 string_list_clear(&states->tracked, 0);
756 string_list_clear(&states->heads, 0);
757 string_list_clear_func(&states->push, clear_push_info);
760 static int append_ref_to_tracked_list(const char *refname,
761 const unsigned char *sha1, int flags, void *cb_data)
763 struct ref_states *states = cb_data;
764 struct refspec refspec;
766 if (flags & REF_ISSYMREF)
767 return 0;
769 memset(&refspec, 0, sizeof(refspec));
770 refspec.dst = (char *)refname;
771 if (!remote_find_tracking(states->remote, &refspec))
772 string_list_append(abbrev_branch(refspec.src), &states->tracked);
774 return 0;
777 static int get_remote_ref_states(const char *name,
778 struct ref_states *states,
779 int query)
781 struct transport *transport;
782 const struct ref *remote_refs;
784 states->remote = remote_get(name);
785 if (!states->remote)
786 return error("No such remote: %s", name);
788 read_branches();
790 if (query) {
791 transport = transport_get(NULL, states->remote->url_nr > 0 ?
792 states->remote->url[0] : NULL);
793 remote_refs = transport_get_remote_refs(transport);
794 transport_disconnect(transport);
796 states->queried = 1;
797 if (query & GET_REF_STATES)
798 get_ref_states(remote_refs, states);
799 if (query & GET_HEAD_NAMES)
800 get_head_names(remote_refs, states);
801 if (query & GET_PUSH_REF_STATES)
802 get_push_ref_states(remote_refs, states);
803 } else {
804 for_each_ref(append_ref_to_tracked_list, states);
805 sort_string_list(&states->tracked);
806 get_push_ref_states_noquery(states);
809 return 0;
812 struct show_info {
813 struct string_list *list;
814 struct ref_states *states;
815 int width, width2;
816 int any_rebase;
819 int add_remote_to_show_info(struct string_list_item *item, void *cb_data)
821 struct show_info *info = cb_data;
822 int n = strlen(item->string);
823 if (n > info->width)
824 info->width = n;
825 string_list_insert(item->string, info->list);
826 return 0;
829 int show_remote_info_item(struct string_list_item *item, void *cb_data)
831 struct show_info *info = cb_data;
832 struct ref_states *states = info->states;
833 const char *name = item->string;
835 if (states->queried) {
836 const char *fmt = "%s";
837 const char *arg = "";
838 if (string_list_has_string(&states->new, name)) {
839 fmt = " new (next fetch will store in remotes/%s)";
840 arg = states->remote->name;
841 } else if (string_list_has_string(&states->tracked, name))
842 arg = " tracked";
843 else if (string_list_has_string(&states->stale, name))
844 arg = " stale (use 'git remote prune' to remove)";
845 else
846 arg = " ???";
847 printf(" %-*s", info->width, name);
848 printf(fmt, arg);
849 printf("\n");
850 } else
851 printf(" %s\n", name);
853 return 0;
856 int add_local_to_show_info(struct string_list_item *branch_item, void *cb_data)
858 struct show_info *show_info = cb_data;
859 struct ref_states *states = show_info->states;
860 struct branch_info *branch_info = branch_item->util;
861 struct string_list_item *item;
862 int n;
864 if (!branch_info->merge.nr || !branch_info->remote_name ||
865 strcmp(states->remote->name, branch_info->remote_name))
866 return 0;
867 if ((n = strlen(branch_item->string)) > show_info->width)
868 show_info->width = n;
869 if (branch_info->rebase)
870 show_info->any_rebase = 1;
872 item = string_list_insert(branch_item->string, show_info->list);
873 item->util = branch_info;
875 return 0;
878 int show_local_info_item(struct string_list_item *item, void *cb_data)
880 struct show_info *show_info = cb_data;
881 struct branch_info *branch_info = item->util;
882 struct string_list *merge = &branch_info->merge;
883 const char *also;
884 int i;
886 if (branch_info->rebase && branch_info->merge.nr > 1) {
887 error("invalid branch.%s.merge; cannot rebase onto > 1 branch",
888 item->string);
889 return 0;
892 printf(" %-*s ", show_info->width, item->string);
893 if (branch_info->rebase) {
894 printf("rebases onto remote %s\n", merge->items[0].string);
895 return 0;
896 } else if (show_info->any_rebase) {
897 printf(" merges with remote %s\n", merge->items[0].string);
898 also = " and with remote";
899 } else {
900 printf("merges with remote %s\n", merge->items[0].string);
901 also = " and with remote";
903 for (i = 1; i < merge->nr; i++)
904 printf(" %-*s %s %s\n", show_info->width, "", also,
905 merge->items[i].string);
907 return 0;
910 int add_push_to_show_info(struct string_list_item *push_item, void *cb_data)
912 struct show_info *show_info = cb_data;
913 struct push_info *push_info = push_item->util;
914 struct string_list_item *item;
915 int n;
916 if ((n = strlen(push_item->string)) > show_info->width)
917 show_info->width = n;
918 if ((n = strlen(push_info->dest)) > show_info->width2)
919 show_info->width2 = n;
920 item = string_list_append(push_item->string, show_info->list);
921 item->util = push_item->util;
922 return 0;
925 int show_push_info_item(struct string_list_item *item, void *cb_data)
927 struct show_info *show_info = cb_data;
928 struct push_info *push_info = item->util;
929 char *src = item->string, *status = NULL;
931 switch (push_info->status) {
932 case PUSH_STATUS_CREATE:
933 status = "create";
934 break;
935 case PUSH_STATUS_DELETE:
936 status = "delete";
937 src = "(none)";
938 break;
939 case PUSH_STATUS_UPTODATE:
940 status = "up to date";
941 break;
942 case PUSH_STATUS_FASTFORWARD:
943 status = "fast forwardable";
944 break;
945 case PUSH_STATUS_OUTOFDATE:
946 status = "local out of date";
947 break;
948 case PUSH_STATUS_NOTQUERIED:
949 break;
951 if (status)
952 printf(" %-*s %s to %-*s (%s)\n", show_info->width, src,
953 push_info->forced ? "forces" : "pushes",
954 show_info->width2, push_info->dest, status);
955 else
956 printf(" %-*s %s to %s\n", show_info->width, src,
957 push_info->forced ? "forces" : "pushes",
958 push_info->dest);
959 return 0;
962 static int show(int argc, const char **argv)
964 int no_query = 0, result = 0, query_flag = 0;
965 struct option options[] = {
966 OPT_GROUP("show specific options"),
967 OPT_BOOLEAN('n', NULL, &no_query, "do not query remotes"),
968 OPT_END()
970 struct ref_states states;
971 struct string_list info_list = { NULL, 0, 0, 0 };
972 struct show_info info;
974 argc = parse_options(argc, argv, options, builtin_remote_usage, 0);
976 if (argc < 1)
977 return show_all();
979 if (!no_query)
980 query_flag = (GET_REF_STATES | GET_HEAD_NAMES | GET_PUSH_REF_STATES);
982 memset(&states, 0, sizeof(states));
983 memset(&info, 0, sizeof(info));
984 info.states = &states;
985 info.list = &info_list;
986 for (; argc; argc--, argv++) {
987 int i;
989 get_remote_ref_states(*argv, &states, query_flag);
991 printf("* remote %s\n URL: %s\n", *argv,
992 states.remote->url_nr > 0 ?
993 states.remote->url[0] : "(no URL)");
994 if (no_query)
995 printf(" HEAD branch: (not queried)\n");
996 else if (!states.heads.nr)
997 printf(" HEAD branch: (unknown)\n");
998 else if (states.heads.nr == 1)
999 printf(" HEAD branch: %s\n", states.heads.items[0].string);
1000 else {
1001 printf(" HEAD branch (remote HEAD is ambiguous,"
1002 " may be one of the following):\n");
1003 for (i = 0; i < states.heads.nr; i++)
1004 printf(" %s\n", states.heads.items[i].string);
1007 /* remote branch info */
1008 info.width = 0;
1009 for_each_string_list(add_remote_to_show_info, &states.new, &info);
1010 for_each_string_list(add_remote_to_show_info, &states.tracked, &info);
1011 for_each_string_list(add_remote_to_show_info, &states.stale, &info);
1012 if (info.list->nr)
1013 printf(" Remote branch%s:%s\n",
1014 info.list->nr > 1 ? "es" : "",
1015 no_query ? " (status not queried)" : "");
1016 for_each_string_list(show_remote_info_item, info.list, &info);
1017 string_list_clear(info.list, 0);
1019 /* git pull info */
1020 info.width = 0;
1021 info.any_rebase = 0;
1022 for_each_string_list(add_local_to_show_info, &branch_list, &info);
1023 if (info.list->nr)
1024 printf(" Local branch%s configured for 'git pull':\n",
1025 info.list->nr > 1 ? "es" : "");
1026 for_each_string_list(show_local_info_item, info.list, &info);
1027 string_list_clear(info.list, 0);
1029 /* git push info */
1030 if (states.remote->mirror)
1031 printf(" Local refs will be mirrored by 'git push'\n");
1033 info.width = info.width2 = 0;
1034 for_each_string_list(add_push_to_show_info, &states.push, &info);
1035 sort_string_list(info.list);
1036 if (info.list->nr)
1037 printf(" Local ref%s configured for 'git push'%s:\n",
1038 info.list->nr > 1 ? "s" : "",
1039 no_query ? " (status not queried)" : "");
1040 for_each_string_list(show_push_info_item, info.list, &info);
1041 string_list_clear(info.list, 0);
1043 free_remote_ref_states(&states);
1046 return result;
1049 static int set_head(int argc, const char **argv)
1051 int i, opt_a = 0, opt_d = 0, result = 0;
1052 struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
1053 char *head_name = NULL;
1055 struct option options[] = {
1056 OPT_GROUP("set-head specific options"),
1057 OPT_BOOLEAN('a', "auto", &opt_a,
1058 "set refs/remotes/<name>/HEAD according to remote"),
1059 OPT_BOOLEAN('d', "delete", &opt_d,
1060 "delete refs/remotes/<name>/HEAD"),
1061 OPT_END()
1063 argc = parse_options(argc, argv, options, builtin_remote_usage, 0);
1064 if (argc)
1065 strbuf_addf(&buf, "refs/remotes/%s/HEAD", argv[0]);
1067 if (!opt_a && !opt_d && argc == 2) {
1068 head_name = xstrdup(argv[1]);
1069 } else if (opt_a && !opt_d && argc == 1) {
1070 struct ref_states states;
1071 memset(&states, 0, sizeof(states));
1072 get_remote_ref_states(argv[0], &states, GET_HEAD_NAMES);
1073 if (!states.heads.nr)
1074 result |= error("Cannot determine remote HEAD");
1075 else if (states.heads.nr > 1) {
1076 result |= error("Multiple remote HEAD branches. "
1077 "Please choose one explicitly with:");
1078 for (i = 0; i < states.heads.nr; i++)
1079 fprintf(stderr, " git remote set-head %s %s\n",
1080 argv[0], states.heads.items[i].string);
1081 } else
1082 head_name = xstrdup(states.heads.items[0].string);
1083 free_remote_ref_states(&states);
1084 } else if (opt_d && !opt_a && argc == 1) {
1085 if (delete_ref(buf.buf, NULL, REF_NODEREF))
1086 result |= error("Could not delete %s", buf.buf);
1087 } else
1088 usage_with_options(builtin_remote_usage, options);
1090 if (head_name) {
1091 unsigned char sha1[20];
1092 strbuf_addf(&buf2, "refs/remotes/%s/%s", argv[0], head_name);
1093 /* make sure it's valid */
1094 if (!resolve_ref(buf2.buf, sha1, 1, NULL))
1095 result |= error("Not a valid ref: %s", buf2.buf);
1096 else if (create_symref(buf.buf, buf2.buf, "remote set-head"))
1097 result |= error("Could not setup %s", buf.buf);
1098 if (opt_a)
1099 printf("%s/HEAD set to %s\n", argv[0], head_name);
1100 free(head_name);
1103 strbuf_release(&buf);
1104 strbuf_release(&buf2);
1105 return result;
1108 static int prune(int argc, const char **argv)
1110 int dry_run = 0, result = 0;
1111 struct option options[] = {
1112 OPT_GROUP("prune specific options"),
1113 OPT__DRY_RUN(&dry_run),
1114 OPT_END()
1116 struct ref_states states;
1117 const char *dangling_msg;
1119 argc = parse_options(argc, argv, options, builtin_remote_usage, 0);
1121 if (argc < 1)
1122 usage_with_options(builtin_remote_usage, options);
1124 dangling_msg = (dry_run
1125 ? " %s will become dangling!\n"
1126 : " %s has become dangling!\n");
1128 memset(&states, 0, sizeof(states));
1129 for (; argc; argc--, argv++) {
1130 int i;
1132 get_remote_ref_states(*argv, &states, GET_REF_STATES);
1134 if (states.stale.nr) {
1135 printf("Pruning %s\n", *argv);
1136 printf("URL: %s\n",
1137 states.remote->url_nr
1138 ? states.remote->url[0]
1139 : "(no URL)");
1142 for (i = 0; i < states.stale.nr; i++) {
1143 const char *refname = states.stale.items[i].util;
1145 if (!dry_run)
1146 result |= delete_ref(refname, NULL, 0);
1148 printf(" * [%s] %s\n", dry_run ? "would prune" : "pruned",
1149 abbrev_ref(refname, "refs/remotes/"));
1150 warn_dangling_symref(dangling_msg, refname);
1153 free_remote_ref_states(&states);
1156 return result;
1159 static int get_one_remote_for_update(struct remote *remote, void *priv)
1161 struct string_list *list = priv;
1162 if (!remote->skip_default_update)
1163 string_list_append(remote->name, list);
1164 return 0;
1167 struct remote_group {
1168 const char *name;
1169 struct string_list *list;
1170 } remote_group;
1172 static int get_remote_group(const char *key, const char *value, void *cb)
1174 if (!prefixcmp(key, "remotes.") &&
1175 !strcmp(key + 8, remote_group.name)) {
1176 /* split list by white space */
1177 int space = strcspn(value, " \t\n");
1178 while (*value) {
1179 if (space > 1)
1180 string_list_append(xstrndup(value, space),
1181 remote_group.list);
1182 value += space + (value[space] != '\0');
1183 space = strcspn(value, " \t\n");
1187 return 0;
1190 static int update(int argc, const char **argv)
1192 int i, result = 0;
1193 struct string_list list = { NULL, 0, 0, 0 };
1194 static const char *default_argv[] = { NULL, "default", NULL };
1196 if (argc < 2) {
1197 argc = 2;
1198 argv = default_argv;
1201 remote_group.list = &list;
1202 for (i = 1; i < argc; i++) {
1203 remote_group.name = argv[i];
1204 result = git_config(get_remote_group, NULL);
1207 if (!result && !list.nr && argc == 2 && !strcmp(argv[1], "default"))
1208 result = for_each_remote(get_one_remote_for_update, &list);
1210 for (i = 0; i < list.nr; i++)
1211 result |= fetch_remote(list.items[i].string);
1213 /* all names were strdup()ed or strndup()ed */
1214 list.strdup_strings = 1;
1215 string_list_clear(&list, 0);
1217 return result;
1220 static int get_one_entry(struct remote *remote, void *priv)
1222 struct string_list *list = priv;
1224 if (remote->url_nr > 0) {
1225 int i;
1227 for (i = 0; i < remote->url_nr; i++)
1228 string_list_append(remote->name, list)->util = (void *)remote->url[i];
1229 } else
1230 string_list_append(remote->name, list)->util = NULL;
1232 return 0;
1235 static int show_all(void)
1237 struct string_list list = { NULL, 0, 0 };
1238 int result = for_each_remote(get_one_entry, &list);
1240 if (!result) {
1241 int i;
1243 sort_string_list(&list);
1244 for (i = 0; i < list.nr; i++) {
1245 struct string_list_item *item = list.items + i;
1246 if (verbose)
1247 printf("%s\t%s\n", item->string,
1248 item->util ? (const char *)item->util : "");
1249 else {
1250 if (i && !strcmp((item - 1)->string, item->string))
1251 continue;
1252 printf("%s\n", item->string);
1256 return result;
1259 int cmd_remote(int argc, const char **argv, const char *prefix)
1261 struct option options[] = {
1262 OPT__VERBOSE(&verbose),
1263 OPT_END()
1265 int result;
1267 argc = parse_options(argc, argv, options, builtin_remote_usage,
1268 PARSE_OPT_STOP_AT_NON_OPTION);
1270 if (argc < 1)
1271 result = show_all();
1272 else if (!strcmp(argv[0], "add"))
1273 result = add(argc, argv);
1274 else if (!strcmp(argv[0], "rename"))
1275 result = mv(argc, argv);
1276 else if (!strcmp(argv[0], "rm"))
1277 result = rm(argc, argv);
1278 else if (!strcmp(argv[0], "set-head"))
1279 result = set_head(argc, argv);
1280 else if (!strcmp(argv[0], "show"))
1281 result = show(argc, argv);
1282 else if (!strcmp(argv[0], "prune"))
1283 result = prune(argc, argv);
1284 else if (!strcmp(argv[0], "update"))
1285 result = update(argc, argv);
1286 else {
1287 error("Unknown subcommand: %s", argv[0]);
1288 usage_with_options(builtin_remote_usage, options);
1291 return result ? 1 : 0;