2 #include "parse-options.h"
7 #include "run-command.h"
10 static const char * const builtin_remote_usage[] = {
12 "git remote add <name> <url>",
13 "git remote rm <name>",
14 "git remote show <name>",
15 "git remote prune <name>",
16 "git remote update [group]",
22 static inline int postfixcmp(const char *string, const char *postfix)
24 int len1 = strlen(string), len2 = strlen(postfix);
27 return strcmp(string + len1 - len2, postfix);
30 static inline const char *skip_prefix(const char *name, const char *prefix)
33 prefixcmp(name, prefix) ? name : name + strlen(prefix);
36 static int opt_parse_track(const struct option *opt, const char *arg, int not)
38 struct path_list *list = opt->value;
40 path_list_clear(list, 0);
42 path_list_append(arg, list);
46 static int fetch_remote(const char *name)
48 const char *argv[] = { "fetch", name, NULL };
49 printf("Updating %s\n", name);
50 if (run_command_v_opt(argv, RUN_GIT_CMD))
51 return error("Could not fetch %s", name);
55 static int add(int argc, const char **argv)
57 int fetch = 0, mirror = 0;
58 struct path_list track = { NULL, 0, 0 };
59 const char *master = NULL;
60 struct remote *remote;
61 struct strbuf buf, buf2;
62 const char *name, *url;
65 struct option options[] = {
66 OPT_GROUP("add specific options"),
67 OPT_BOOLEAN('f', "fetch", &fetch, "fetch the remote branches"),
68 OPT_CALLBACK('t', "track", &track, "branch",
69 "branch(es) to track", opt_parse_track),
70 OPT_STRING('m', "master", &master, "branch", "master branch"),
71 OPT_BOOLEAN(0, "mirror", &mirror, "no separate remotes"),
75 argc = parse_options(argc, argv, options, builtin_remote_usage, 0);
78 usage_with_options(builtin_remote_usage, options);
83 remote = remote_get(name);
84 if (remote && (remote->url_nr > 1 || strcmp(name, remote->url[0]) ||
85 remote->fetch_refspec_nr))
86 die("remote %s already exists.", name);
89 strbuf_init(&buf2, 0);
91 strbuf_addf(&buf, "remote.%s.url", name);
92 if (git_config_set(buf.buf, url))
96 path_list_append("*", &track);
97 for (i = 0; i < track.nr; i++) {
98 struct path_list_item *item = track.items + i;
101 strbuf_addf(&buf, "remote.%s.fetch", name);
105 strbuf_addf(&buf2, "refs/%s:refs/%s",
106 item->path, item->path);
108 strbuf_addf(&buf2, "refs/heads/%s:refs/remotes/%s/%s",
109 item->path, name, item->path);
110 if (git_config_set_multivar(buf.buf, buf2.buf, "^$", 0))
114 if (fetch && fetch_remote(name))
119 strbuf_addf(&buf, "refs/remotes/%s/HEAD", name);
122 strbuf_addf(&buf2, "refs/remotes/%s/%s", name, master);
124 if (create_symref(buf.buf, buf2.buf, "remote add"))
125 return error("Could not setup master '%s'", master);
128 strbuf_release(&buf);
129 strbuf_release(&buf2);
130 path_list_clear(&track, 0);
137 struct path_list merge;
140 static struct path_list branch_list;
142 static int config_read_branches(const char *key, const char *value)
144 if (!prefixcmp(key, "branch.")) {
146 struct path_list_item *item;
147 struct branch_info *info;
148 enum { REMOTE, MERGE } type;
151 if (!postfixcmp(key, ".remote")) {
152 name = xstrndup(key, strlen(key) - 7);
154 } else if (!postfixcmp(key, ".merge")) {
155 name = xstrndup(key, strlen(key) - 6);
160 item = path_list_insert(name, &branch_list);
163 item->util = xcalloc(sizeof(struct branch_info), 1);
165 if (type == REMOTE) {
167 warning("more than one branch.%s", key);
168 info->remote = xstrdup(value);
170 char *space = strchr(value, ' ');
171 value = skip_prefix(value, "refs/heads/");
174 merge = xstrndup(value, space - value);
175 path_list_append(merge, &info->merge);
176 value = skip_prefix(space + 1, "refs/heads/");
177 space = strchr(value, ' ');
179 path_list_append(xstrdup(value), &info->merge);
185 static void read_branches(void)
189 git_config(config_read_branches);
190 sort_path_list(&branch_list);
194 struct remote *remote;
195 struct strbuf remote_prefix;
196 struct path_list new, stale, tracked;
199 static int handle_one_branch(const char *refname,
200 const unsigned char *sha1, int flags, void *cb_data)
202 struct ref_states *states = cb_data;
203 struct refspec refspec;
205 memset(&refspec, 0, sizeof(refspec));
206 refspec.dst = (char *)refname;
207 if (!remote_find_tracking(states->remote, &refspec)) {
208 struct path_list_item *item;
209 const char *name = skip_prefix(refspec.src, "refs/heads/");
210 if (unsorted_path_list_has_path(&states->tracked, name) ||
211 unsorted_path_list_has_path(&states->new,
214 item = path_list_append(name, &states->stale);
215 item->util = xstrdup(refname);
220 static int get_ref_states(const struct ref *ref, struct ref_states *states)
222 struct ref *fetch_map = NULL, **tail = &fetch_map;
225 for (i = 0; i < states->remote->fetch_refspec_nr; i++)
226 if (get_fetch_map(ref, states->remote->fetch + i, &tail, 1))
227 die("Could not get fetch map for refspec %s",
228 states->remote->fetch_refspec[i]);
230 states->new.strdup_paths = states->tracked.strdup_paths = 1;
231 for (ref = fetch_map; ref; ref = ref->next) {
232 struct path_list *target = &states->tracked;
233 unsigned char sha1[20];
236 if (!ref->peer_ref || read_ref(ref->peer_ref->name, sha1))
237 target = &states->new;
239 target = &states->tracked;
240 if (hashcmp(sha1, ref->new_sha1))
243 path_list_append(skip_prefix(ref->name, "refs/heads/"),
244 target)->util = util;
246 free_refs(fetch_map);
248 strbuf_addf(&states->remote_prefix,
249 "refs/remotes/%s/", states->remote->name);
250 for_each_ref(handle_one_branch, states);
251 sort_path_list(&states->stale);
256 struct branches_for_remote {
258 struct path_list *branches;
261 static int add_branch_for_removal(const char *refname,
262 const unsigned char *sha1, int flags, void *cb_data)
264 struct branches_for_remote *branches = cb_data;
266 if (!prefixcmp(refname, branches->prefix)) {
267 struct path_list_item *item;
269 /* make sure that symrefs are deleted */
270 if (flags & REF_ISSYMREF)
271 return unlink(git_path(refname));
273 item = path_list_append(refname, branches->branches);
274 item->util = xmalloc(20);
275 hashcpy(item->util, sha1);
281 static int remove_branches(struct path_list *branches)
284 for (i = 0; i < branches->nr; i++) {
285 struct path_list_item *item = branches->items + i;
286 const char *refname = item->path;
287 unsigned char *sha1 = item->util;
289 if (delete_ref(refname, sha1))
290 result |= error("Could not remove branch %s", refname);
295 static int rm(int argc, const char **argv)
297 struct option options[] = {
300 struct remote *remote;
302 struct path_list branches = { NULL, 0, 0, 1 };
303 struct branches_for_remote cb_data = { NULL, &branches };
307 usage_with_options(builtin_remote_usage, options);
309 remote = remote_get(argv[1]);
311 die("No such remote: %s", argv[1]);
313 strbuf_init(&buf, 0);
314 strbuf_addf(&buf, "remote.%s", remote->name);
315 if (git_config_rename_section(buf.buf, NULL) < 1)
316 return error("Could not remove config section '%s'", buf.buf);
319 for (i = 0; i < branch_list.nr; i++) {
320 struct path_list_item *item = branch_list.items + i;
321 struct branch_info *info = item->util;
322 if (info->remote && !strcmp(info->remote, remote->name)) {
323 const char *keys[] = { "remote", "merge", NULL }, **k;
324 for (k = keys; *k; k++) {
326 strbuf_addf(&buf, "branch.%s.%s",
328 if (git_config_set(buf.buf, NULL)) {
329 strbuf_release(&buf);
337 * We cannot just pass a function to for_each_ref() which deletes
338 * the branches one by one, since for_each_ref() relies on cached
339 * refs, which are invalidated when deleting a branch.
342 strbuf_addf(&buf, "refs/remotes/%s/", remote->name);
343 cb_data.prefix = buf.buf;
344 i = for_each_ref(add_branch_for_removal, &cb_data);
345 strbuf_release(&buf);
348 i = remove_branches(&branches);
349 path_list_clear(&branches, 1);
354 static void show_list(const char *title, struct path_list *list)
361 printf(title, list->nr > 1 ? "es" : "");
363 for (i = 0; i < list->nr; i++)
364 printf("%s%s", i ? " " : "", list->items[i].path);
368 static int show_or_prune(int argc, const char **argv, int prune)
370 int dry_run = 0, result = 0;
371 struct option options[] = {
372 OPT_GROUP("show specific options"),
373 OPT__DRY_RUN(&dry_run),
376 struct ref_states states;
378 argc = parse_options(argc, argv, options, builtin_remote_usage, 0);
381 usage_with_options(builtin_remote_usage, options);
383 memset(&states, 0, sizeof(states));
384 for (; argc; argc--, argv++) {
385 struct transport *transport;
386 const struct ref *ref;
390 states.remote = remote_get(*argv);
392 return error("No such remote: %s", *argv);
393 transport = transport_get(NULL, states.remote->url_nr > 0 ?
394 states.remote->url[0] : NULL);
395 ref = transport_get_remote_refs(transport);
396 transport_disconnect(transport);
399 got_states = get_ref_states(ref, &states);
401 result = error("Error getting local info for '%s'",
402 states.remote->name);
408 strbuf_init(&buf, 0);
409 if (states.remote->fetch_refspec_nr == 1 &&
410 states.remote->fetch->pattern &&
411 !strcmp(states.remote->fetch->src,
412 states.remote->fetch->dst))
413 /* handle --mirror remote */
414 strbuf_addstr(&buf, "refs/heads/");
416 strbuf_addf(&buf, "refs/remotes/%s/", *argv);
417 prefix_len = buf.len;
419 for (i = 0; i < states.stale.nr; i++) {
420 strbuf_setlen(&buf, prefix_len);
421 strbuf_addstr(&buf, states.stale.items[i].path);
422 result |= delete_ref(buf.buf, NULL);
425 strbuf_release(&buf);
429 printf("* remote %s\n URL: %s\n", *argv,
430 states.remote->url_nr > 0 ?
431 states.remote->url[0] : "(no URL)");
433 for (i = 0; i < branch_list.nr; i++) {
434 struct path_list_item *branch = branch_list.items + i;
435 struct branch_info *info = branch->util;
438 if (!info->merge.nr || strcmp(*argv, info->remote))
440 printf(" Remote branch%s merged with 'git pull' "
441 "while on branch %s\n ",
442 info->merge.nr > 1 ? "es" : "",
444 for (j = 0; j < info->merge.nr; j++)
445 printf(" %s", info->merge.items[j].path);
451 strbuf_init(&buf, 0);
452 strbuf_addf(&buf, " New remote branch%%s (next fetch will "
453 "store in remotes/%s)", states.remote->name);
454 show_list(buf.buf, &states.new);
455 strbuf_release(&buf);
456 show_list(" Stale tracking branch%s (use 'git remote prune')",
458 show_list(" Tracked remote branch%s",
461 if (states.remote->push_refspec_nr) {
462 printf(" Local branch%s pushed with 'git push'\n ",
463 states.remote->push_refspec_nr > 1 ?
465 for (i = 0; i < states.remote->push_refspec_nr; i++) {
466 struct refspec *spec = states.remote->push + i;
467 printf(" %s%s%s%s", spec->force ? "+" : "",
468 skip_prefix(spec->src, "refs/heads/"),
469 spec->dst ? ":" : "",
470 skip_prefix(spec->dst, "refs/heads/"));
474 /* NEEDSWORK: free remote */
475 path_list_clear(&states.new, 0);
476 path_list_clear(&states.stale, 0);
477 path_list_clear(&states.tracked, 0);
483 static int get_one_remote_for_update(struct remote *remote, void *priv)
485 struct path_list *list = priv;
486 if (!remote->skip_default_update)
487 path_list_append(xstrdup(remote->name), list);
491 struct remote_group {
493 struct path_list *list;
496 static int get_remote_group(const char *key, const char *value)
498 if (!prefixcmp(key, "remotes.") &&
499 !strcmp(key + 8, remote_group.name)) {
500 /* split list by white space */
501 int space = strcspn(value, " \t\n");
504 path_list_append(xstrndup(value, space),
506 value += space + (value[space] != '\0');
507 space = strcspn(value, " \t\n");
514 static int update(int argc, const char **argv)
517 struct path_list list = { NULL, 0, 0, 0 };
518 static const char *default_argv[] = { NULL, "default", NULL };
525 remote_group.list = &list;
526 for (i = 1; i < argc; i++) {
527 remote_group.name = argv[i];
528 result = git_config(get_remote_group);
531 if (!result && !list.nr && argc == 2 && !strcmp(argv[1], "default"))
532 result = for_each_remote(get_one_remote_for_update, &list);
534 for (i = 0; i < list.nr; i++)
535 result |= fetch_remote(list.items[i].path);
537 /* all names were strdup()ed or strndup()ed */
538 list.strdup_paths = 1;
539 path_list_clear(&list, 0);
544 static int get_one_entry(struct remote *remote, void *priv)
546 struct path_list *list = priv;
548 path_list_append(remote->name, list)->util = remote->url_nr ?
549 (void *)remote->url[0] : NULL;
550 if (remote->url_nr > 1)
551 warning("Remote %s has more than one URL", remote->name);
556 static int show_all(void)
558 struct path_list list = { NULL, 0, 0 };
559 int result = for_each_remote(get_one_entry, &list);
564 sort_path_list(&list);
565 for (i = 0; i < list.nr; i++) {
566 struct path_list_item *item = list.items + i;
567 printf("%s%s%s\n", item->path,
569 verbose && item->util ?
570 (const char *)item->util : "");
576 int cmd_remote(int argc, const char **argv, const char *prefix)
578 struct option options[] = {
579 OPT__VERBOSE(&verbose),
584 argc = parse_options(argc, argv, options, builtin_remote_usage,
585 PARSE_OPT_STOP_AT_NON_OPTION);
589 else if (!strcmp(argv[0], "add"))
590 result = add(argc, argv);
591 else if (!strcmp(argv[0], "rm"))
592 result = rm(argc, argv);
593 else if (!strcmp(argv[0], "show"))
594 result = show_or_prune(argc, argv, 0);
595 else if (!strcmp(argv[0], "prune"))
596 result = show_or_prune(argc, argv, 1);
597 else if (!strcmp(argv[0], "update"))
598 result = update(argc, argv);
600 error("Unknown subcommand: %s", argv[0]);
601 usage_with_options(builtin_remote_usage, options);
604 return result ? 1 : 0;