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 if (run_command_v_opt(argv, RUN_GIT_CMD))
50 return error("Could not fetch %s", name);
54 static int add(int argc, const char **argv)
56 int fetch = 0, mirror = 0;
57 struct path_list track = { NULL, 0, 0 };
58 const char *master = NULL;
59 struct remote *remote;
60 struct strbuf buf, buf2;
61 const char *name, *url;
64 struct option options[] = {
65 OPT_GROUP("add specific options"),
66 OPT_BOOLEAN('f', "fetch", &fetch, "fetch the remote branches"),
67 OPT_CALLBACK('t', "track", &track, "branch",
68 "branch(es) to track", opt_parse_track),
69 OPT_STRING('m', "master", &master, "branch", "master branch"),
70 OPT_BOOLEAN(0, "mirror", &mirror, "no separate remotes"),
74 argc = parse_options(argc, argv, options, builtin_remote_usage, 0);
77 usage_with_options(builtin_remote_usage, options);
82 remote = remote_get(name);
83 if (remote && (remote->url_nr > 1 || strcmp(name, remote->url[0]) ||
84 remote->fetch_refspec_nr))
85 die("remote %s already exists.", name);
88 strbuf_init(&buf2, 0);
90 strbuf_addf(&buf, "remote.%s.url", name);
91 if (git_config_set(buf.buf, url))
95 path_list_append("*", &track);
96 for (i = 0; i < track.nr; i++) {
97 struct path_list_item *item = track.items + i;
100 strbuf_addf(&buf, "remote.%s.fetch", name);
104 strbuf_addf(&buf2, "refs/%s:refs/%s",
105 item->path, item->path);
107 strbuf_addf(&buf2, "refs/heads/%s:refs/remotes/%s/%s",
108 item->path, name, item->path);
109 if (git_config_set_multivar(buf.buf, buf2.buf, "^$", 0))
113 if (fetch && fetch_remote(name))
118 strbuf_addf(&buf, "refs/remotes/%s/HEAD", name);
121 strbuf_addf(&buf2, "refs/remotes/%s/%s", name, master);
123 if (create_symref(buf.buf, buf2.buf, "remote add"))
124 return error("Could not setup master '%s'", master);
127 strbuf_release(&buf);
128 strbuf_release(&buf2);
129 path_list_clear(&track, 0);
136 struct path_list merge;
139 static struct path_list branch_list;
141 static int config_read_branches(const char *key, const char *value)
143 if (!prefixcmp(key, "branch.")) {
145 struct path_list_item *item;
146 struct branch_info *info;
147 enum { REMOTE, MERGE } type;
150 if (!postfixcmp(key, ".remote")) {
151 name = xstrndup(key, strlen(key) - 7);
153 } else if (!postfixcmp(key, ".merge")) {
154 name = xstrndup(key, strlen(key) - 6);
159 item = path_list_insert(name, &branch_list);
162 item->util = xcalloc(sizeof(struct branch_info), 1);
164 if (type == REMOTE) {
166 warning("more than one branch.%s", key);
167 info->remote = xstrdup(value);
169 char *space = strchr(value, ' ');
170 value = skip_prefix(value, "refs/heads/");
173 merge = xstrndup(value, space - value);
174 path_list_append(merge, &info->merge);
175 value = skip_prefix(space + 1, "refs/heads/");
176 space = strchr(value, ' ');
178 path_list_append(xstrdup(value), &info->merge);
184 static void read_branches(void)
188 git_config(config_read_branches);
189 sort_path_list(&branch_list);
193 struct remote *remote;
194 struct strbuf remote_prefix;
195 struct path_list new, stale, tracked;
198 static int handle_one_branch(const char *refname,
199 const unsigned char *sha1, int flags, void *cb_data)
201 struct ref_states *states = cb_data;
202 struct refspec refspec;
204 memset(&refspec, 0, sizeof(refspec));
205 refspec.dst = (char *)refname;
206 if (!remote_find_tracking(states->remote, &refspec)) {
207 struct path_list_item *item;
208 const char *name = skip_prefix(refspec.src, "refs/heads/");
209 if (unsorted_path_list_has_path(&states->tracked, name) ||
210 unsorted_path_list_has_path(&states->new,
213 item = path_list_append(name, &states->stale);
214 item->util = xstrdup(refname);
219 static int get_ref_states(const struct ref *ref, struct ref_states *states)
221 struct ref *fetch_map = NULL, **tail = &fetch_map;
224 for (i = 0; i < states->remote->fetch_refspec_nr; i++)
225 if (get_fetch_map(ref, states->remote->fetch + i, &tail, 1))
226 die("Could not get fetch map for refspec %s",
227 states->remote->fetch_refspec[i]);
229 states->new.strdup_paths = states->tracked.strdup_paths = 1;
230 for (ref = fetch_map; ref; ref = ref->next) {
231 struct path_list *target = &states->tracked;
232 unsigned char sha1[20];
235 if (!ref->peer_ref || read_ref(ref->peer_ref->name, sha1))
236 target = &states->new;
238 target = &states->tracked;
239 if (hashcmp(sha1, ref->new_sha1))
242 path_list_append(skip_prefix(ref->name, "refs/heads/"),
243 target)->util = util;
245 free_refs(fetch_map);
247 strbuf_addf(&states->remote_prefix,
248 "refs/remotes/%s/", states->remote->name);
249 for_each_ref(handle_one_branch, states);
250 sort_path_list(&states->stale);
255 struct branches_for_remote {
257 struct path_list *branches;
260 static int add_branch_for_removal(const char *refname,
261 const unsigned char *sha1, int flags, void *cb_data)
263 struct branches_for_remote *branches = cb_data;
265 if (!prefixcmp(refname, branches->prefix)) {
266 struct path_list_item *item;
267 item = path_list_append(refname, branches->branches);
268 item->util = xmalloc(20);
269 hashcpy(item->util, sha1);
275 static int remove_branches(struct path_list *branches)
278 for (i = 0; i < branches->nr; i++) {
279 struct path_list_item *item = branches->items + i;
280 const char *refname = item->path;
281 unsigned char *sha1 = item->util;
283 if (delete_ref(refname, sha1))
284 result |= error("Could not remove branch %s", refname);
289 static int rm(int argc, const char **argv)
291 struct option options[] = {
294 struct remote *remote;
296 struct path_list branches = { NULL, 0, 0, 1 };
297 struct branches_for_remote cb_data = { NULL, &branches };
301 usage_with_options(builtin_remote_usage, options);
303 remote = remote_get(argv[1]);
305 die("No such remote: %s", argv[1]);
307 strbuf_init(&buf, 0);
308 strbuf_addf(&buf, "remote.%s", remote->name);
309 if (git_config_rename_section(buf.buf, NULL) < 1)
310 return error("Could not remove config section '%s'", buf.buf);
313 for (i = 0; i < branch_list.nr; i++) {
314 struct path_list_item *item = branch_list.items + i;
315 struct branch_info *info = item->util;
316 if (info->remote && !strcmp(info->remote, remote->name)) {
317 const char *keys[] = { "remote", "merge", NULL }, **k;
318 for (k = keys; *k; k++) {
320 strbuf_addf(&buf, "branch.%s.%s",
322 if (git_config_set(buf.buf, NULL)) {
323 strbuf_release(&buf);
331 * We cannot just pass a function to for_each_ref() which deletes
332 * the branches one by one, since for_each_ref() relies on cached
333 * refs, which are invalidated when deleting a branch.
336 strbuf_addf(&buf, "refs/remotes/%s/", remote->name);
337 cb_data.prefix = buf.buf;
338 i = for_each_ref(add_branch_for_removal, &cb_data);
339 strbuf_release(&buf);
342 i = remove_branches(&branches);
343 path_list_clear(&branches, 1);
348 static void show_list(const char *title, struct path_list *list)
355 printf(title, list->nr > 1 ? "es" : "");
357 for (i = 0; i < list->nr; i++)
358 printf("%s%s", i ? " " : "", list->items[i].path);
362 static int show_or_prune(int argc, const char **argv, int prune)
364 int dry_run = 0, result = 0;
365 struct option options[] = {
366 OPT_GROUP("show specific options"),
367 OPT__DRY_RUN(&dry_run),
370 struct ref_states states;
372 argc = parse_options(argc, argv, options, builtin_remote_usage, 0);
375 usage_with_options(builtin_remote_usage, options);
377 memset(&states, 0, sizeof(states));
378 for (; argc; argc--, argv++) {
379 struct transport *transport;
380 const struct ref *ref;
384 states.remote = remote_get(*argv);
386 return error("No such remote: %s", *argv);
387 transport = transport_get(NULL, states.remote->url_nr > 0 ?
388 states.remote->url[0] : NULL);
389 ref = transport_get_remote_refs(transport);
392 got_states = get_ref_states(ref, &states);
394 result = error("Error getting local info for '%s'",
395 states.remote->name);
401 strbuf_init(&buf, 0);
402 if (states.remote->fetch_refspec_nr == 1 &&
403 states.remote->fetch->pattern &&
404 !strcmp(states.remote->fetch->src,
405 states.remote->fetch->dst))
406 /* handle --mirror remote */
407 strbuf_addstr(&buf, "refs/heads/");
409 strbuf_addf(&buf, "refs/remotes/%s/", *argv);
410 prefix_len = buf.len;
412 for (i = 0; i < states.stale.nr; i++) {
413 strbuf_setlen(&buf, prefix_len);
414 strbuf_addstr(&buf, states.stale.items[i].path);
415 result |= delete_ref(buf.buf, NULL);
418 strbuf_release(&buf);
422 printf("* remote %s\n URL: %s\n", *argv,
423 states.remote->url_nr > 0 ?
424 states.remote->url[0] : "(no URL)");
426 for (i = 0; i < branch_list.nr; i++) {
427 struct path_list_item *branch = branch_list.items + i;
428 struct branch_info *info = branch->util;
431 if (!info->merge.nr || strcmp(*argv, info->remote))
433 printf(" Remote branch%s merged with 'git pull' "
434 "while on branch %s\n ",
435 info->merge.nr > 1 ? "es" : "",
437 for (j = 0; j < info->merge.nr; j++)
438 printf(" %s", info->merge.items[j].path);
444 strbuf_init(&buf, 0);
445 strbuf_addf(&buf, " New remote branch%%s (next fetch will "
446 "store in remotes/%s)", states.remote->name);
447 show_list(buf.buf, &states.new);
448 strbuf_release(&buf);
449 show_list(" Stale tracking branch%s (use 'git remote prune')",
451 show_list(" Tracked remote branch%s",
454 if (states.remote->push_refspec_nr) {
455 printf(" Local branch%s pushed with 'git push'\n ",
456 states.remote->push_refspec_nr > 1 ?
458 for (i = 0; i < states.remote->push_refspec_nr; i++) {
459 struct refspec *spec = states.remote->push + i;
460 printf(" %s%s%s%s", spec->force ? "+" : "",
461 skip_prefix(spec->src, "refs/heads/"),
462 spec->dst ? ":" : "",
463 skip_prefix(spec->dst, "refs/heads/"));
467 /* NEEDSWORK: free remote */
468 path_list_clear(&states.new, 0);
469 path_list_clear(&states.stale, 0);
470 path_list_clear(&states.tracked, 0);
476 static int update_one(struct remote *remote, void *priv)
478 if (!remote->skip_default_update)
479 return fetch_remote(remote->name);
483 static int update(int argc, const char **argv)
488 return for_each_remote(update_one, NULL);
490 for (i = 1; i < argc; i++)
491 if (fetch_remote(argv[i]))
496 static int get_one_entry(struct remote *remote, void *priv)
498 struct path_list *list = priv;
500 path_list_append(remote->name, list)->util = remote->url_nr ?
501 (void *)remote->url[0] : NULL;
502 if (remote->url_nr > 1)
503 warning("Remote %s has more than one URL", remote->name);
508 static int show_all(void)
510 struct path_list list = { NULL, 0, 0 };
511 int result = for_each_remote(get_one_entry, &list);
516 sort_path_list(&list);
517 for (i = 0; i < list.nr; i++) {
518 struct path_list_item *item = list.items + i;
519 printf("%s%s%s\n", item->path,
521 verbose && item->util ?
522 (const char *)item->util : "");
528 int cmd_remote(int argc, const char **argv, const char *prefix)
530 struct option options[] = {
531 OPT__VERBOSE(&verbose),
536 argc = parse_options(argc, argv, options, builtin_remote_usage,
537 PARSE_OPT_STOP_AT_NON_OPTION);
541 else if (!strcmp(argv[0], "add"))
542 result = add(argc, argv);
543 else if (!strcmp(argv[0], "rm"))
544 result = rm(argc, argv);
545 else if (!strcmp(argv[0], "show"))
546 result = show_or_prune(argc, argv, 0);
547 else if (!strcmp(argv[0], "prune"))
548 result = show_or_prune(argc, argv, 1);
549 else if (!strcmp(argv[0], "update"))
550 result = update(argc, argv);
552 error("Unknown subcommand: %s", argv[0]);
553 usage_with_options(builtin_remote_usage, options);
556 return result ? 1 : 0;