parse-opts: prepare for OPT_FILENAME
[git/git.git] / builtin-remote.c
1 #include "cache.h"
2 #include "parse-options.h"
3 #include "transport.h"
4 #include "remote.h"
5 #include "string-list.h"
6 #include "strbuf.h"
7 #include "run-command.h"
8 #include "refs.h"
9
10 static const char * const builtin_remote_usage[] = {
11 "git remote [-v | --verbose]",
12 "git remote add [-t <branch>] [-m <master>] [-f] [--mirror] <name> <url>",
13 "git remote rename <old> <new>",
14 "git remote rm <name>",
15 "git remote set-head <name> [-a | -d | <branch>]",
16 "git remote show [-n] <name>",
17 "git remote prune [-n | --dry-run] <name>",
18 "git remote [-v | --verbose] update [-p | --prune] [group]",
19 NULL
20 };
21
22 #define GET_REF_STATES (1<<0)
23 #define GET_HEAD_NAMES (1<<1)
24 #define GET_PUSH_REF_STATES (1<<2)
25
26 static int verbose;
27
28 static int show_all(void);
29 static int prune_remote(const char *remote, int dry_run);
30
31 static inline int postfixcmp(const char *string, const char *postfix)
32 {
33 int len1 = strlen(string), len2 = strlen(postfix);
34 if (len1 < len2)
35 return 1;
36 return strcmp(string + len1 - len2, postfix);
37 }
38
39 static int opt_parse_track(const struct option *opt, const char *arg, int not)
40 {
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;
47 }
48
49 static int fetch_remote(const char *name)
50 {
51 const char *argv[] = { "fetch", name, NULL, NULL };
52 if (verbose) {
53 argv[1] = "-v";
54 argv[2] = name;
55 }
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;
60 }
61
62 static int add(int argc, const char **argv)
63 {
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;
71
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()
80 };
81
82 argc = parse_options(argc, argv, NULL, options, builtin_remote_usage,
83 0);
84
85 if (argc < 2)
86 usage_with_options(builtin_remote_usage, options);
87
88 name = argv[0];
89 url = argv[1];
90
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);
95
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);
99
100 strbuf_addf(&buf, "remote.%s.url", name);
101 if (git_config_set(buf.buf, url))
102 return 1;
103
104 strbuf_reset(&buf);
105 strbuf_addf(&buf, "remote.%s.fetch", name);
106
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;
111
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;
122 }
123
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;
129 }
130
131 if (fetch && fetch_remote(name))
132 return 1;
133
134 if (master) {
135 strbuf_reset(&buf);
136 strbuf_addf(&buf, "refs/remotes/%s/HEAD", name);
137
138 strbuf_reset(&buf2);
139 strbuf_addf(&buf2, "refs/remotes/%s/%s", name, master);
140
141 if (create_symref(buf.buf, buf2.buf, "remote add"))
142 return error("Could not setup master '%s'", master);
143 }
144
145 strbuf_release(&buf);
146 strbuf_release(&buf2);
147 string_list_clear(&track, 0);
148
149 return 0;
150 }
151
152 struct branch_info {
153 char *remote_name;
154 struct string_list merge;
155 int rebase;
156 };
157
158 static struct string_list branch_list;
159
160 static const char *abbrev_ref(const char *name, const char *prefix)
161 {
162 const char *abbrev = skip_prefix(name, prefix);
163 if (abbrev)
164 return abbrev;
165 return name;
166 }
167 #define abbrev_branch(name) abbrev_ref((name), "refs/heads/")
168
169 static int config_read_branches(const char *key, const char *value, void *cb)
170 {
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;
177
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;
190
191 item = string_list_insert(name, &branch_list);
192
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, ' ');
209 }
210 string_list_append(xstrdup(value), &info->merge);
211 } else
212 info->rebase = git_config_bool(orig_key, value);
213 }
214 return 0;
215 }
216
217 static void read_branches(void)
218 {
219 if (branch_list.nr)
220 return;
221 git_config(config_read_branches, NULL);
222 }
223
224 struct ref_states {
225 struct remote *remote;
226 struct string_list new, stale, tracked, heads, push;
227 int queried;
228 };
229
230 static int handle_one_branch(const char *refname,
231 const unsigned char *sha1, int flags, void *cb_data)
232 {
233 struct ref_states *states = cb_data;
234 struct refspec refspec;
235
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);
248 }
249 return 0;
250 }
251
252 static int get_ref_states(const struct ref *remote_refs, struct ref_states *states)
253 {
254 struct ref *fetch_map = NULL, **tail = &fetch_map;
255 struct ref *ref;
256 int i;
257
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]);
262
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);
270 }
271 free_refs(fetch_map);
272
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);
277
278 return 0;
279 }
280
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;
292 };
293
294 static int get_push_ref_states(const struct ref *remote_refs,
295 struct ref_states *states)
296 {
297 struct remote *remote = states->remote;
298 struct ref *ref, *local_refs, *push_map, **push_tail;
299 if (remote->mirror)
300 return 0;
301
302 local_refs = get_local_heads();
303 ref = push_map = copy_ref_list(remote_refs);
304 while (ref->next)
305 ref = ref->next;
306 push_tail = &ref->next;
307
308 match_refs(local_refs, push_map, &push_tail, remote->push_refspec_nr,
309 remote->push_refspec, MATCH_REFS_NONE);
310
311 states->push.strdup_strings = 1;
312 for (ref = push_map; ref; ref = ref->next) {
313 struct string_list_item *item;
314 struct push_info *info;
315
316 if (!ref->peer_ref)
317 continue;
318 hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
319
320 item = string_list_append(abbrev_branch(ref->peer_ref->name),
321 &states->push);
322 item->util = xcalloc(sizeof(struct push_info), 1);
323 info = item->util;
324 info->forced = ref->force;
325 info->dest = xstrdup(abbrev_branch(ref->name));
326
327 if (is_null_sha1(ref->new_sha1)) {
328 info->status = PUSH_STATUS_DELETE;
329 } else if (!hashcmp(ref->old_sha1, ref->new_sha1))
330 info->status = PUSH_STATUS_UPTODATE;
331 else if (is_null_sha1(ref->old_sha1))
332 info->status = PUSH_STATUS_CREATE;
333 else if (has_sha1_file(ref->old_sha1) &&
334 ref_newer(ref->new_sha1, ref->old_sha1))
335 info->status = PUSH_STATUS_FASTFORWARD;
336 else
337 info->status = PUSH_STATUS_OUTOFDATE;
338 }
339 free_refs(local_refs);
340 free_refs(push_map);
341 return 0;
342 }
343
344 static int get_push_ref_states_noquery(struct ref_states *states)
345 {
346 int i;
347 struct remote *remote = states->remote;
348 struct string_list_item *item;
349 struct push_info *info;
350
351 if (remote->mirror)
352 return 0;
353
354 states->push.strdup_strings = 1;
355 if (!remote->push_refspec_nr) {
356 item = string_list_append("(matching)", &states->push);
357 info = item->util = xcalloc(sizeof(struct push_info), 1);
358 info->status = PUSH_STATUS_NOTQUERIED;
359 info->dest = xstrdup(item->string);
360 }
361 for (i = 0; i < remote->push_refspec_nr; i++) {
362 struct refspec *spec = remote->push + i;
363 if (spec->matching)
364 item = string_list_append("(matching)", &states->push);
365 else if (strlen(spec->src))
366 item = string_list_append(spec->src, &states->push);
367 else
368 item = string_list_append("(delete)", &states->push);
369
370 info = item->util = xcalloc(sizeof(struct push_info), 1);
371 info->forced = spec->force;
372 info->status = PUSH_STATUS_NOTQUERIED;
373 info->dest = xstrdup(spec->dst ? spec->dst : item->string);
374 }
375 return 0;
376 }
377
378 static int get_head_names(const struct ref *remote_refs, struct ref_states *states)
379 {
380 struct ref *ref, *matches;
381 struct ref *fetch_map = NULL, **fetch_map_tail = &fetch_map;
382 struct refspec refspec;
383
384 refspec.force = 0;
385 refspec.pattern = 1;
386 refspec.src = refspec.dst = "refs/heads/*";
387 states->heads.strdup_strings = 1;
388 get_fetch_map(remote_refs, &refspec, &fetch_map_tail, 0);
389 matches = guess_remote_head(find_ref_by_name(remote_refs, "HEAD"),
390 fetch_map, 1);
391 for(ref = matches; ref; ref = ref->next)
392 string_list_append(abbrev_branch(ref->name), &states->heads);
393
394 free_refs(fetch_map);
395 free_refs(matches);
396
397 return 0;
398 }
399
400 struct known_remote {
401 struct known_remote *next;
402 struct remote *remote;
403 };
404
405 struct known_remotes {
406 struct remote *to_delete;
407 struct known_remote *list;
408 };
409
410 static int add_known_remote(struct remote *remote, void *cb_data)
411 {
412 struct known_remotes *all = cb_data;
413 struct known_remote *r;
414
415 if (!strcmp(all->to_delete->name, remote->name))
416 return 0;
417
418 r = xmalloc(sizeof(*r));
419 r->remote = remote;
420 r->next = all->list;
421 all->list = r;
422 return 0;
423 }
424
425 struct branches_for_remote {
426 struct remote *remote;
427 struct string_list *branches, *skipped;
428 struct known_remotes *keep;
429 };
430
431 static int add_branch_for_removal(const char *refname,
432 const unsigned char *sha1, int flags, void *cb_data)
433 {
434 struct branches_for_remote *branches = cb_data;
435 struct refspec refspec;
436 struct string_list_item *item;
437 struct known_remote *kr;
438
439 memset(&refspec, 0, sizeof(refspec));
440 refspec.dst = (char *)refname;
441 if (remote_find_tracking(branches->remote, &refspec))
442 return 0;
443
444 /* don't delete a branch if another remote also uses it */
445 for (kr = branches->keep->list; kr; kr = kr->next) {
446 memset(&refspec, 0, sizeof(refspec));
447 refspec.dst = (char *)refname;
448 if (!remote_find_tracking(kr->remote, &refspec))
449 return 0;
450 }
451
452 /* don't delete non-remote refs */
453 if (prefixcmp(refname, "refs/remotes")) {
454 /* advise user how to delete local branches */
455 if (!prefixcmp(refname, "refs/heads/"))
456 string_list_append(abbrev_branch(refname),
457 branches->skipped);
458 /* silently skip over other non-remote refs */
459 return 0;
460 }
461
462 /* make sure that symrefs are deleted */
463 if (flags & REF_ISSYMREF)
464 return unlink(git_path("%s", refname));
465
466 item = string_list_append(refname, branches->branches);
467 item->util = xmalloc(20);
468 hashcpy(item->util, sha1);
469
470 return 0;
471 }
472
473 struct rename_info {
474 const char *old;
475 const char *new;
476 struct string_list *remote_branches;
477 };
478
479 static int read_remote_branches(const char *refname,
480 const unsigned char *sha1, int flags, void *cb_data)
481 {
482 struct rename_info *rename = cb_data;
483 struct strbuf buf = STRBUF_INIT;
484 struct string_list_item *item;
485 int flag;
486 unsigned char orig_sha1[20];
487 const char *symref;
488
489 strbuf_addf(&buf, "refs/remotes/%s", rename->old);
490 if(!prefixcmp(refname, buf.buf)) {
491 item = string_list_append(xstrdup(refname), rename->remote_branches);
492 symref = resolve_ref(refname, orig_sha1, 1, &flag);
493 if (flag & REF_ISSYMREF)
494 item->util = xstrdup(symref);
495 else
496 item->util = NULL;
497 }
498
499 return 0;
500 }
501
502 static int migrate_file(struct remote *remote)
503 {
504 struct strbuf buf = STRBUF_INIT;
505 int i;
506 char *path = NULL;
507
508 strbuf_addf(&buf, "remote.%s.url", remote->name);
509 for (i = 0; i < remote->url_nr; i++)
510 if (git_config_set_multivar(buf.buf, remote->url[i], "^$", 0))
511 return error("Could not append '%s' to '%s'",
512 remote->url[i], buf.buf);
513 strbuf_reset(&buf);
514 strbuf_addf(&buf, "remote.%s.push", remote->name);
515 for (i = 0; i < remote->push_refspec_nr; i++)
516 if (git_config_set_multivar(buf.buf, remote->push_refspec[i], "^$", 0))
517 return error("Could not append '%s' to '%s'",
518 remote->push_refspec[i], buf.buf);
519 strbuf_reset(&buf);
520 strbuf_addf(&buf, "remote.%s.fetch", remote->name);
521 for (i = 0; i < remote->fetch_refspec_nr; i++)
522 if (git_config_set_multivar(buf.buf, remote->fetch_refspec[i], "^$", 0))
523 return error("Could not append '%s' to '%s'",
524 remote->fetch_refspec[i], buf.buf);
525 if (remote->origin == REMOTE_REMOTES)
526 path = git_path("remotes/%s", remote->name);
527 else if (remote->origin == REMOTE_BRANCHES)
528 path = git_path("branches/%s", remote->name);
529 if (path)
530 unlink_or_warn(path);
531 return 0;
532 }
533
534 static int mv(int argc, const char **argv)
535 {
536 struct option options[] = {
537 OPT_END()
538 };
539 struct remote *oldremote, *newremote;
540 struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT, buf3 = STRBUF_INIT;
541 struct string_list remote_branches = { NULL, 0, 0, 0 };
542 struct rename_info rename;
543 int i;
544
545 if (argc != 3)
546 usage_with_options(builtin_remote_usage, options);
547
548 rename.old = argv[1];
549 rename.new = argv[2];
550 rename.remote_branches = &remote_branches;
551
552 oldremote = remote_get(rename.old);
553 if (!oldremote)
554 die("No such remote: %s", rename.old);
555
556 if (!strcmp(rename.old, rename.new) && oldremote->origin != REMOTE_CONFIG)
557 return migrate_file(oldremote);
558
559 newremote = remote_get(rename.new);
560 if (newremote && (newremote->url_nr > 1 || newremote->fetch_refspec_nr))
561 die("remote %s already exists.", rename.new);
562
563 strbuf_addf(&buf, "refs/heads/test:refs/remotes/%s/test", rename.new);
564 if (!valid_fetch_refspec(buf.buf))
565 die("'%s' is not a valid remote name", rename.new);
566
567 strbuf_reset(&buf);
568 strbuf_addf(&buf, "remote.%s", rename.old);
569 strbuf_addf(&buf2, "remote.%s", rename.new);
570 if (git_config_rename_section(buf.buf, buf2.buf) < 1)
571 return error("Could not rename config section '%s' to '%s'",
572 buf.buf, buf2.buf);
573
574 strbuf_reset(&buf);
575 strbuf_addf(&buf, "remote.%s.fetch", rename.new);
576 if (git_config_set_multivar(buf.buf, NULL, NULL, 1))
577 return error("Could not remove config section '%s'", buf.buf);
578 for (i = 0; i < oldremote->fetch_refspec_nr; i++) {
579 char *ptr;
580
581 strbuf_reset(&buf2);
582 strbuf_addstr(&buf2, oldremote->fetch_refspec[i]);
583 ptr = strstr(buf2.buf, rename.old);
584 if (ptr)
585 strbuf_splice(&buf2, ptr-buf2.buf, strlen(rename.old),
586 rename.new, strlen(rename.new));
587 if (git_config_set_multivar(buf.buf, buf2.buf, "^$", 0))
588 return error("Could not append '%s'", buf.buf);
589 }
590
591 read_branches();
592 for (i = 0; i < branch_list.nr; i++) {
593 struct string_list_item *item = branch_list.items + i;
594 struct branch_info *info = item->util;
595 if (info->remote_name && !strcmp(info->remote_name, rename.old)) {
596 strbuf_reset(&buf);
597 strbuf_addf(&buf, "branch.%s.remote", item->string);
598 if (git_config_set(buf.buf, rename.new)) {
599 return error("Could not set '%s'", buf.buf);
600 }
601 }
602 }
603
604 /*
605 * First remove symrefs, then rename the rest, finally create
606 * the new symrefs.
607 */
608 for_each_ref(read_remote_branches, &rename);
609 for (i = 0; i < remote_branches.nr; i++) {
610 struct string_list_item *item = remote_branches.items + i;
611 int flag = 0;
612 unsigned char sha1[20];
613
614 resolve_ref(item->string, sha1, 1, &flag);
615 if (!(flag & REF_ISSYMREF))
616 continue;
617 if (delete_ref(item->string, NULL, REF_NODEREF))
618 die("deleting '%s' failed", item->string);
619 }
620 for (i = 0; i < remote_branches.nr; i++) {
621 struct string_list_item *item = remote_branches.items + i;
622
623 if (item->util)
624 continue;
625 strbuf_reset(&buf);
626 strbuf_addstr(&buf, item->string);
627 strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
628 rename.new, strlen(rename.new));
629 strbuf_reset(&buf2);
630 strbuf_addf(&buf2, "remote: renamed %s to %s",
631 item->string, buf.buf);
632 if (rename_ref(item->string, buf.buf, buf2.buf))
633 die("renaming '%s' failed", item->string);
634 }
635 for (i = 0; i < remote_branches.nr; i++) {
636 struct string_list_item *item = remote_branches.items + i;
637
638 if (!item->util)
639 continue;
640 strbuf_reset(&buf);
641 strbuf_addstr(&buf, item->string);
642 strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
643 rename.new, strlen(rename.new));
644 strbuf_reset(&buf2);
645 strbuf_addstr(&buf2, item->util);
646 strbuf_splice(&buf2, strlen("refs/remotes/"), strlen(rename.old),
647 rename.new, strlen(rename.new));
648 strbuf_reset(&buf3);
649 strbuf_addf(&buf3, "remote: renamed %s to %s",
650 item->string, buf.buf);
651 if (create_symref(buf.buf, buf2.buf, buf3.buf))
652 die("creating '%s' failed", buf.buf);
653 }
654 return 0;
655 }
656
657 static int remove_branches(struct string_list *branches)
658 {
659 int i, result = 0;
660 for (i = 0; i < branches->nr; i++) {
661 struct string_list_item *item = branches->items + i;
662 const char *refname = item->string;
663 unsigned char *sha1 = item->util;
664
665 if (delete_ref(refname, sha1, 0))
666 result |= error("Could not remove branch %s", refname);
667 }
668 return result;
669 }
670
671 static int rm(int argc, const char **argv)
672 {
673 struct option options[] = {
674 OPT_END()
675 };
676 struct remote *remote;
677 struct strbuf buf = STRBUF_INIT;
678 struct known_remotes known_remotes = { NULL, NULL };
679 struct string_list branches = { NULL, 0, 0, 1 };
680 struct string_list skipped = { NULL, 0, 0, 1 };
681 struct branches_for_remote cb_data = {
682 NULL, &branches, &skipped, &known_remotes
683 };
684 int i, result;
685
686 if (argc != 2)
687 usage_with_options(builtin_remote_usage, options);
688
689 remote = remote_get(argv[1]);
690 if (!remote)
691 die("No such remote: %s", argv[1]);
692
693 known_remotes.to_delete = remote;
694 for_each_remote(add_known_remote, &known_remotes);
695
696 strbuf_addf(&buf, "remote.%s", remote->name);
697 if (git_config_rename_section(buf.buf, NULL) < 1)
698 return error("Could not remove config section '%s'", buf.buf);
699
700 read_branches();
701 for (i = 0; i < branch_list.nr; i++) {
702 struct string_list_item *item = branch_list.items + i;
703 struct branch_info *info = item->util;
704 if (info->remote_name && !strcmp(info->remote_name, remote->name)) {
705 const char *keys[] = { "remote", "merge", NULL }, **k;
706 for (k = keys; *k; k++) {
707 strbuf_reset(&buf);
708 strbuf_addf(&buf, "branch.%s.%s",
709 item->string, *k);
710 if (git_config_set(buf.buf, NULL)) {
711 strbuf_release(&buf);
712 return -1;
713 }
714 }
715 }
716 }
717
718 /*
719 * We cannot just pass a function to for_each_ref() which deletes
720 * the branches one by one, since for_each_ref() relies on cached
721 * refs, which are invalidated when deleting a branch.
722 */
723 cb_data.remote = remote;
724 result = for_each_ref(add_branch_for_removal, &cb_data);
725 strbuf_release(&buf);
726
727 if (!result)
728 result = remove_branches(&branches);
729 string_list_clear(&branches, 1);
730
731 if (skipped.nr) {
732 fprintf(stderr, skipped.nr == 1 ?
733 "Note: A non-remote branch was not removed; "
734 "to delete it, use:\n" :
735 "Note: Non-remote branches were not removed; "
736 "to delete them, use:\n");
737 for (i = 0; i < skipped.nr; i++)
738 fprintf(stderr, " git branch -d %s\n",
739 skipped.items[i].string);
740 }
741 string_list_clear(&skipped, 0);
742
743 return result;
744 }
745
746 void clear_push_info(void *util, const char *string)
747 {
748 struct push_info *info = util;
749 free(info->dest);
750 free(info);
751 }
752
753 static void free_remote_ref_states(struct ref_states *states)
754 {
755 string_list_clear(&states->new, 0);
756 string_list_clear(&states->stale, 0);
757 string_list_clear(&states->tracked, 0);
758 string_list_clear(&states->heads, 0);
759 string_list_clear_func(&states->push, clear_push_info);
760 }
761
762 static int append_ref_to_tracked_list(const char *refname,
763 const unsigned char *sha1, int flags, void *cb_data)
764 {
765 struct ref_states *states = cb_data;
766 struct refspec refspec;
767
768 if (flags & REF_ISSYMREF)
769 return 0;
770
771 memset(&refspec, 0, sizeof(refspec));
772 refspec.dst = (char *)refname;
773 if (!remote_find_tracking(states->remote, &refspec))
774 string_list_append(abbrev_branch(refspec.src), &states->tracked);
775
776 return 0;
777 }
778
779 static int get_remote_ref_states(const char *name,
780 struct ref_states *states,
781 int query)
782 {
783 struct transport *transport;
784 const struct ref *remote_refs;
785
786 states->remote = remote_get(name);
787 if (!states->remote)
788 return error("No such remote: %s", name);
789
790 read_branches();
791
792 if (query) {
793 transport = transport_get(NULL, states->remote->url_nr > 0 ?
794 states->remote->url[0] : NULL);
795 remote_refs = transport_get_remote_refs(transport);
796 transport_disconnect(transport);
797
798 states->queried = 1;
799 if (query & GET_REF_STATES)
800 get_ref_states(remote_refs, states);
801 if (query & GET_HEAD_NAMES)
802 get_head_names(remote_refs, states);
803 if (query & GET_PUSH_REF_STATES)
804 get_push_ref_states(remote_refs, states);
805 } else {
806 for_each_ref(append_ref_to_tracked_list, states);
807 sort_string_list(&states->tracked);
808 get_push_ref_states_noquery(states);
809 }
810
811 return 0;
812 }
813
814 struct show_info {
815 struct string_list *list;
816 struct ref_states *states;
817 int width, width2;
818 int any_rebase;
819 };
820
821 int add_remote_to_show_info(struct string_list_item *item, void *cb_data)
822 {
823 struct show_info *info = cb_data;
824 int n = strlen(item->string);
825 if (n > info->width)
826 info->width = n;
827 string_list_insert(item->string, info->list);
828 return 0;
829 }
830
831 int show_remote_info_item(struct string_list_item *item, void *cb_data)
832 {
833 struct show_info *info = cb_data;
834 struct ref_states *states = info->states;
835 const char *name = item->string;
836
837 if (states->queried) {
838 const char *fmt = "%s";
839 const char *arg = "";
840 if (string_list_has_string(&states->new, name)) {
841 fmt = " new (next fetch will store in remotes/%s)";
842 arg = states->remote->name;
843 } else if (string_list_has_string(&states->tracked, name))
844 arg = " tracked";
845 else if (string_list_has_string(&states->stale, name))
846 arg = " stale (use 'git remote prune' to remove)";
847 else
848 arg = " ???";
849 printf(" %-*s", info->width, name);
850 printf(fmt, arg);
851 printf("\n");
852 } else
853 printf(" %s\n", name);
854
855 return 0;
856 }
857
858 int add_local_to_show_info(struct string_list_item *branch_item, void *cb_data)
859 {
860 struct show_info *show_info = cb_data;
861 struct ref_states *states = show_info->states;
862 struct branch_info *branch_info = branch_item->util;
863 struct string_list_item *item;
864 int n;
865
866 if (!branch_info->merge.nr || !branch_info->remote_name ||
867 strcmp(states->remote->name, branch_info->remote_name))
868 return 0;
869 if ((n = strlen(branch_item->string)) > show_info->width)
870 show_info->width = n;
871 if (branch_info->rebase)
872 show_info->any_rebase = 1;
873
874 item = string_list_insert(branch_item->string, show_info->list);
875 item->util = branch_info;
876
877 return 0;
878 }
879
880 int show_local_info_item(struct string_list_item *item, void *cb_data)
881 {
882 struct show_info *show_info = cb_data;
883 struct branch_info *branch_info = item->util;
884 struct string_list *merge = &branch_info->merge;
885 const char *also;
886 int i;
887
888 if (branch_info->rebase && branch_info->merge.nr > 1) {
889 error("invalid branch.%s.merge; cannot rebase onto > 1 branch",
890 item->string);
891 return 0;
892 }
893
894 printf(" %-*s ", show_info->width, item->string);
895 if (branch_info->rebase) {
896 printf("rebases onto remote %s\n", merge->items[0].string);
897 return 0;
898 } else if (show_info->any_rebase) {
899 printf(" merges with remote %s\n", merge->items[0].string);
900 also = " and with remote";
901 } else {
902 printf("merges with remote %s\n", merge->items[0].string);
903 also = " and with remote";
904 }
905 for (i = 1; i < merge->nr; i++)
906 printf(" %-*s %s %s\n", show_info->width, "", also,
907 merge->items[i].string);
908
909 return 0;
910 }
911
912 int add_push_to_show_info(struct string_list_item *push_item, void *cb_data)
913 {
914 struct show_info *show_info = cb_data;
915 struct push_info *push_info = push_item->util;
916 struct string_list_item *item;
917 int n;
918 if ((n = strlen(push_item->string)) > show_info->width)
919 show_info->width = n;
920 if ((n = strlen(push_info->dest)) > show_info->width2)
921 show_info->width2 = n;
922 item = string_list_append(push_item->string, show_info->list);
923 item->util = push_item->util;
924 return 0;
925 }
926
927 /*
928 * Sorting comparison for a string list that has push_info
929 * structs in its util field
930 */
931 static int cmp_string_with_push(const void *va, const void *vb)
932 {
933 const struct string_list_item *a = va;
934 const struct string_list_item *b = vb;
935 const struct push_info *a_push = a->util;
936 const struct push_info *b_push = b->util;
937 int cmp = strcmp(a->string, b->string);
938 return cmp ? cmp : strcmp(a_push->dest, b_push->dest);
939 }
940
941 int show_push_info_item(struct string_list_item *item, void *cb_data)
942 {
943 struct show_info *show_info = cb_data;
944 struct push_info *push_info = item->util;
945 char *src = item->string, *status = NULL;
946
947 switch (push_info->status) {
948 case PUSH_STATUS_CREATE:
949 status = "create";
950 break;
951 case PUSH_STATUS_DELETE:
952 status = "delete";
953 src = "(none)";
954 break;
955 case PUSH_STATUS_UPTODATE:
956 status = "up to date";
957 break;
958 case PUSH_STATUS_FASTFORWARD:
959 status = "fast forwardable";
960 break;
961 case PUSH_STATUS_OUTOFDATE:
962 status = "local out of date";
963 break;
964 case PUSH_STATUS_NOTQUERIED:
965 break;
966 }
967 if (status)
968 printf(" %-*s %s to %-*s (%s)\n", show_info->width, src,
969 push_info->forced ? "forces" : "pushes",
970 show_info->width2, push_info->dest, status);
971 else
972 printf(" %-*s %s to %s\n", show_info->width, src,
973 push_info->forced ? "forces" : "pushes",
974 push_info->dest);
975 return 0;
976 }
977
978 static int show(int argc, const char **argv)
979 {
980 int no_query = 0, result = 0, query_flag = 0;
981 struct option options[] = {
982 OPT_GROUP("show specific options"),
983 OPT_BOOLEAN('n', NULL, &no_query, "do not query remotes"),
984 OPT_END()
985 };
986 struct ref_states states;
987 struct string_list info_list = { NULL, 0, 0, 0 };
988 struct show_info info;
989
990 argc = parse_options(argc, argv, NULL, options, builtin_remote_usage,
991 0);
992
993 if (argc < 1)
994 return show_all();
995
996 if (!no_query)
997 query_flag = (GET_REF_STATES | GET_HEAD_NAMES | GET_PUSH_REF_STATES);
998
999 memset(&states, 0, sizeof(states));
1000 memset(&info, 0, sizeof(info));
1001 info.states = &states;
1002 info.list = &info_list;
1003 for (; argc; argc--, argv++) {
1004 int i;
1005
1006 get_remote_ref_states(*argv, &states, query_flag);
1007
1008 printf("* remote %s\n URL: %s\n", *argv,
1009 states.remote->url_nr > 0 ?
1010 states.remote->url[0] : "(no URL)");
1011 if (no_query)
1012 printf(" HEAD branch: (not queried)\n");
1013 else if (!states.heads.nr)
1014 printf(" HEAD branch: (unknown)\n");
1015 else if (states.heads.nr == 1)
1016 printf(" HEAD branch: %s\n", states.heads.items[0].string);
1017 else {
1018 printf(" HEAD branch (remote HEAD is ambiguous,"
1019 " may be one of the following):\n");
1020 for (i = 0; i < states.heads.nr; i++)
1021 printf(" %s\n", states.heads.items[i].string);
1022 }
1023
1024 /* remote branch info */
1025 info.width = 0;
1026 for_each_string_list(add_remote_to_show_info, &states.new, &info);
1027 for_each_string_list(add_remote_to_show_info, &states.tracked, &info);
1028 for_each_string_list(add_remote_to_show_info, &states.stale, &info);
1029 if (info.list->nr)
1030 printf(" Remote branch%s:%s\n",
1031 info.list->nr > 1 ? "es" : "",
1032 no_query ? " (status not queried)" : "");
1033 for_each_string_list(show_remote_info_item, info.list, &info);
1034 string_list_clear(info.list, 0);
1035
1036 /* git pull info */
1037 info.width = 0;
1038 info.any_rebase = 0;
1039 for_each_string_list(add_local_to_show_info, &branch_list, &info);
1040 if (info.list->nr)
1041 printf(" Local branch%s configured for 'git pull':\n",
1042 info.list->nr > 1 ? "es" : "");
1043 for_each_string_list(show_local_info_item, info.list, &info);
1044 string_list_clear(info.list, 0);
1045
1046 /* git push info */
1047 if (states.remote->mirror)
1048 printf(" Local refs will be mirrored by 'git push'\n");
1049
1050 info.width = info.width2 = 0;
1051 for_each_string_list(add_push_to_show_info, &states.push, &info);
1052 qsort(info.list->items, info.list->nr,
1053 sizeof(*info.list->items), cmp_string_with_push);
1054 if (info.list->nr)
1055 printf(" Local ref%s configured for 'git push'%s:\n",
1056 info.list->nr > 1 ? "s" : "",
1057 no_query ? " (status not queried)" : "");
1058 for_each_string_list(show_push_info_item, info.list, &info);
1059 string_list_clear(info.list, 0);
1060
1061 free_remote_ref_states(&states);
1062 }
1063
1064 return result;
1065 }
1066
1067 static int set_head(int argc, const char **argv)
1068 {
1069 int i, opt_a = 0, opt_d = 0, result = 0;
1070 struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
1071 char *head_name = NULL;
1072
1073 struct option options[] = {
1074 OPT_GROUP("set-head specific options"),
1075 OPT_BOOLEAN('a', "auto", &opt_a,
1076 "set refs/remotes/<name>/HEAD according to remote"),
1077 OPT_BOOLEAN('d', "delete", &opt_d,
1078 "delete refs/remotes/<name>/HEAD"),
1079 OPT_END()
1080 };
1081 argc = parse_options(argc, argv, NULL, options, builtin_remote_usage,
1082 0);
1083 if (argc)
1084 strbuf_addf(&buf, "refs/remotes/%s/HEAD", argv[0]);
1085
1086 if (!opt_a && !opt_d && argc == 2) {
1087 head_name = xstrdup(argv[1]);
1088 } else if (opt_a && !opt_d && argc == 1) {
1089 struct ref_states states;
1090 memset(&states, 0, sizeof(states));
1091 get_remote_ref_states(argv[0], &states, GET_HEAD_NAMES);
1092 if (!states.heads.nr)
1093 result |= error("Cannot determine remote HEAD");
1094 else if (states.heads.nr > 1) {
1095 result |= error("Multiple remote HEAD branches. "
1096 "Please choose one explicitly with:");
1097 for (i = 0; i < states.heads.nr; i++)
1098 fprintf(stderr, " git remote set-head %s %s\n",
1099 argv[0], states.heads.items[i].string);
1100 } else
1101 head_name = xstrdup(states.heads.items[0].string);
1102 free_remote_ref_states(&states);
1103 } else if (opt_d && !opt_a && argc == 1) {
1104 if (delete_ref(buf.buf, NULL, REF_NODEREF))
1105 result |= error("Could not delete %s", buf.buf);
1106 } else
1107 usage_with_options(builtin_remote_usage, options);
1108
1109 if (head_name) {
1110 unsigned char sha1[20];
1111 strbuf_addf(&buf2, "refs/remotes/%s/%s", argv[0], head_name);
1112 /* make sure it's valid */
1113 if (!resolve_ref(buf2.buf, sha1, 1, NULL))
1114 result |= error("Not a valid ref: %s", buf2.buf);
1115 else if (create_symref(buf.buf, buf2.buf, "remote set-head"))
1116 result |= error("Could not setup %s", buf.buf);
1117 if (opt_a)
1118 printf("%s/HEAD set to %s\n", argv[0], head_name);
1119 free(head_name);
1120 }
1121
1122 strbuf_release(&buf);
1123 strbuf_release(&buf2);
1124 return result;
1125 }
1126
1127 static int prune(int argc, const char **argv)
1128 {
1129 int dry_run = 0, result = 0;
1130 struct option options[] = {
1131 OPT_GROUP("prune specific options"),
1132 OPT__DRY_RUN(&dry_run),
1133 OPT_END()
1134 };
1135
1136 argc = parse_options(argc, argv, NULL, options, builtin_remote_usage,
1137 0);
1138
1139 if (argc < 1)
1140 usage_with_options(builtin_remote_usage, options);
1141
1142 for (; argc; argc--, argv++)
1143 result |= prune_remote(*argv, dry_run);
1144
1145 return result;
1146 }
1147
1148 static int prune_remote(const char *remote, int dry_run)
1149 {
1150 int result = 0, i;
1151 struct ref_states states;
1152 const char *dangling_msg = dry_run
1153 ? " %s will become dangling!\n"
1154 : " %s has become dangling!\n";
1155
1156 memset(&states, 0, sizeof(states));
1157 get_remote_ref_states(remote, &states, GET_REF_STATES);
1158
1159 if (states.stale.nr) {
1160 printf("Pruning %s\n", remote);
1161 printf("URL: %s\n",
1162 states.remote->url_nr
1163 ? states.remote->url[0]
1164 : "(no URL)");
1165 }
1166
1167 for (i = 0; i < states.stale.nr; i++) {
1168 const char *refname = states.stale.items[i].util;
1169
1170 if (!dry_run)
1171 result |= delete_ref(refname, NULL, 0);
1172
1173 printf(" * [%s] %s\n", dry_run ? "would prune" : "pruned",
1174 abbrev_ref(refname, "refs/remotes/"));
1175 warn_dangling_symref(dangling_msg, refname);
1176 }
1177
1178 free_remote_ref_states(&states);
1179 return result;
1180 }
1181
1182 static int get_one_remote_for_update(struct remote *remote, void *priv)
1183 {
1184 struct string_list *list = priv;
1185 if (!remote->skip_default_update)
1186 string_list_append(remote->name, list);
1187 return 0;
1188 }
1189
1190 struct remote_group {
1191 const char *name;
1192 struct string_list *list;
1193 } remote_group;
1194
1195 static int get_remote_group(const char *key, const char *value, void *num_hits)
1196 {
1197 if (!prefixcmp(key, "remotes.") &&
1198 !strcmp(key + 8, remote_group.name)) {
1199 /* split list by white space */
1200 int space = strcspn(value, " \t\n");
1201 while (*value) {
1202 if (space > 1) {
1203 string_list_append(xstrndup(value, space),
1204 remote_group.list);
1205 ++*((int *)num_hits);
1206 }
1207 value += space + (value[space] != '\0');
1208 space = strcspn(value, " \t\n");
1209 }
1210 }
1211
1212 return 0;
1213 }
1214
1215 static int update(int argc, const char **argv)
1216 {
1217 int i, result = 0, prune = 0;
1218 struct string_list list = { NULL, 0, 0, 0 };
1219 static const char *default_argv[] = { NULL, "default", NULL };
1220 struct option options[] = {
1221 OPT_GROUP("update specific options"),
1222 OPT_BOOLEAN('p', "prune", &prune,
1223 "prune remotes after fetching"),
1224 OPT_END()
1225 };
1226
1227 argc = parse_options(argc, argv, NULL, options, builtin_remote_usage,
1228 PARSE_OPT_KEEP_ARGV0);
1229 if (argc < 2) {
1230 argc = 2;
1231 argv = default_argv;
1232 }
1233
1234 remote_group.list = &list;
1235 for (i = 1; i < argc; i++) {
1236 int groups_found = 0;
1237 remote_group.name = argv[i];
1238 result = git_config(get_remote_group, &groups_found);
1239 if (!groups_found && (i != 1 || strcmp(argv[1], "default"))) {
1240 struct remote *remote;
1241 if (!remote_is_configured(argv[i]))
1242 die("No such remote or remote group: %s",
1243 argv[i]);
1244 remote = remote_get(argv[i]);
1245 string_list_append(remote->name, remote_group.list);
1246 }
1247 }
1248
1249 if (!result && !list.nr && argc == 2 && !strcmp(argv[1], "default"))
1250 result = for_each_remote(get_one_remote_for_update, &list);
1251
1252 for (i = 0; i < list.nr; i++) {
1253 int err = fetch_remote(list.items[i].string);
1254 result |= err;
1255 if (!err && prune)
1256 result |= prune_remote(list.items[i].string, 0);
1257 }
1258
1259 /* all names were strdup()ed or strndup()ed */
1260 list.strdup_strings = 1;
1261 string_list_clear(&list, 0);
1262
1263 return result;
1264 }
1265
1266 static int get_one_entry(struct remote *remote, void *priv)
1267 {
1268 struct string_list *list = priv;
1269
1270 if (remote->url_nr > 0) {
1271 int i;
1272
1273 for (i = 0; i < remote->url_nr; i++)
1274 string_list_append(remote->name, list)->util = (void *)remote->url[i];
1275 } else
1276 string_list_append(remote->name, list)->util = NULL;
1277
1278 return 0;
1279 }
1280
1281 static int show_all(void)
1282 {
1283 struct string_list list = { NULL, 0, 0 };
1284 int result = for_each_remote(get_one_entry, &list);
1285
1286 if (!result) {
1287 int i;
1288
1289 sort_string_list(&list);
1290 for (i = 0; i < list.nr; i++) {
1291 struct string_list_item *item = list.items + i;
1292 if (verbose)
1293 printf("%s\t%s\n", item->string,
1294 item->util ? (const char *)item->util : "");
1295 else {
1296 if (i && !strcmp((item - 1)->string, item->string))
1297 continue;
1298 printf("%s\n", item->string);
1299 }
1300 }
1301 }
1302 return result;
1303 }
1304
1305 int cmd_remote(int argc, const char **argv, const char *prefix)
1306 {
1307 struct option options[] = {
1308 OPT__VERBOSE(&verbose),
1309 OPT_END()
1310 };
1311 int result;
1312
1313 argc = parse_options(argc, argv, prefix, options, builtin_remote_usage,
1314 PARSE_OPT_STOP_AT_NON_OPTION);
1315
1316 if (argc < 1)
1317 result = show_all();
1318 else if (!strcmp(argv[0], "add"))
1319 result = add(argc, argv);
1320 else if (!strcmp(argv[0], "rename"))
1321 result = mv(argc, argv);
1322 else if (!strcmp(argv[0], "rm"))
1323 result = rm(argc, argv);
1324 else if (!strcmp(argv[0], "set-head"))
1325 result = set_head(argc, argv);
1326 else if (!strcmp(argv[0], "show"))
1327 result = show(argc, argv);
1328 else if (!strcmp(argv[0], "prune"))
1329 result = prune(argc, argv);
1330 else if (!strcmp(argv[0], "update"))
1331 result = update(argc, argv);
1332 else {
1333 error("Unknown subcommand: %s", argv[0]);
1334 usage_with_options(builtin_remote_usage, options);
1335 }
1336
1337 return result ? 1 : 0;
1338 }