8 #include "string-list.h"
10 #include "transport.h"
11 #include "run-command.h"
12 #include "parse-options.h"
14 #include "transport.h"
15 #include "submodule.h"
16 #include "connected.h"
17 #include "argv-array.h"
19 static const char * const builtin_fetch_usage[] = {
20 N_("git fetch [<options>] [<repository> [<refspec>...]]"),
21 N_("git fetch [<options>] <group>"),
22 N_("git fetch --multiple [<options>] [(<repository> | <group>)...]"),
23 N_("git fetch --all [<options>]"),
33 static int all, append, dry_run, force, keep, multiple, prune, update_head_ok, verbosity;
34 static int progress = -1, recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
35 static int tags = TAGS_DEFAULT;
36 static const char *depth;
37 static const char *upload_pack;
38 static struct strbuf default_rla = STRBUF_INIT;
39 static struct transport *transport;
40 static const char *submodule_prefix = "";
41 static const char *recurse_submodules_default;
43 static int option_parse_recurse_submodules(const struct option *opt,
44 const char *arg, int unset)
47 recurse_submodules = RECURSE_SUBMODULES_OFF;
50 recurse_submodules = parse_fetch_recurse_submodules_arg(opt->long_name, arg);
52 recurse_submodules = RECURSE_SUBMODULES_ON;
57 static struct option builtin_fetch_options[] = {
58 OPT__VERBOSITY(&verbosity),
59 OPT_BOOLEAN(0, "all", &all,
60 N_("fetch from all remotes")),
61 OPT_BOOLEAN('a', "append", &append,
62 N_("append to .git/FETCH_HEAD instead of overwriting")),
63 OPT_STRING(0, "upload-pack", &upload_pack, N_("path"),
64 N_("path to upload pack on remote end")),
65 OPT__FORCE(&force, N_("force overwrite of local branch")),
66 OPT_BOOLEAN('m', "multiple", &multiple,
67 N_("fetch from multiple remotes")),
68 OPT_SET_INT('t', "tags", &tags,
69 N_("fetch all tags and associated objects"), TAGS_SET),
70 OPT_SET_INT('n', NULL, &tags,
71 N_("do not fetch all tags (--no-tags)"), TAGS_UNSET),
72 OPT_BOOLEAN('p', "prune", &prune,
73 N_("prune remote-tracking branches no longer on remote")),
74 { OPTION_CALLBACK, 0, "recurse-submodules", NULL, N_("on-demand"),
75 N_("control recursive fetching of submodules"),
76 PARSE_OPT_OPTARG, option_parse_recurse_submodules },
77 OPT_BOOLEAN(0, "dry-run", &dry_run,
79 OPT_BOOLEAN('k', "keep", &keep, N_("keep downloaded pack")),
80 OPT_BOOLEAN('u', "update-head-ok", &update_head_ok,
81 N_("allow updating of HEAD ref")),
82 OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
83 OPT_STRING(0, "depth", &depth, N_("depth"),
84 N_("deepen history of shallow clone")),
85 { OPTION_STRING, 0, "submodule-prefix", &submodule_prefix, N_("dir"),
86 N_("prepend this to submodule path output"), PARSE_OPT_HIDDEN },
87 { OPTION_STRING, 0, "recurse-submodules-default",
88 &recurse_submodules_default, NULL,
89 N_("default mode for recursion"), PARSE_OPT_HIDDEN },
93 static void unlock_pack(void)
96 transport_unlock_pack(transport);
99 static void unlock_pack_on_signal(int signo)
106 static void add_merge_config(struct ref **head,
107 const struct ref *remote_refs,
108 struct branch *branch,
113 for (i = 0; i < branch->merge_nr; i++) {
114 struct ref *rm, **old_tail = *tail;
115 struct refspec refspec;
117 for (rm = *head; rm; rm = rm->next) {
118 if (branch_merge_matches(branch, i, rm->name)) {
127 * Not fetched to a remote-tracking branch? We need to fetch
128 * it anyway to allow this branch's "branch.$name.merge"
129 * to be honored by 'git pull', but we do not have to
130 * fail if branch.$name.merge is misconfigured to point
131 * at a nonexisting branch. If we were indeed called by
132 * 'git pull', it will notice the misconfiguration because
133 * there is no entry in the resulting FETCH_HEAD marked
136 memset(&refspec, 0, sizeof(refspec));
137 refspec.src = branch->merge[i]->src;
138 get_fetch_map(remote_refs, &refspec, tail, 1);
139 for (rm = *old_tail; rm; rm = rm->next)
144 static void find_non_local_tags(struct transport *transport,
148 static struct ref *get_ref_map(struct transport *transport,
149 struct refspec *refs, int ref_count, int tags,
154 struct ref *ref_map = NULL;
155 struct ref **tail = &ref_map;
157 const struct ref *remote_refs = transport_get_remote_refs(transport);
159 if (ref_count || tags == TAGS_SET) {
160 for (i = 0; i < ref_count; i++) {
161 get_fetch_map(remote_refs, &refs[i], &tail, 0);
162 if (refs[i].dst && refs[i].dst[0])
165 /* Merge everything on the command line, but not --tags */
166 for (rm = ref_map; rm; rm = rm->next)
168 if (tags == TAGS_SET)
169 get_fetch_map(remote_refs, tag_refspec, &tail, 0);
171 /* Use the defaults */
172 struct remote *remote = transport->remote;
173 struct branch *branch = branch_get(NULL);
174 int has_merge = branch_has_merge_config(branch);
176 (remote->fetch_refspec_nr ||
177 /* Note: has_merge implies non-NULL branch->remote_name */
178 (has_merge && !strcmp(branch->remote_name, remote->name)))) {
179 for (i = 0; i < remote->fetch_refspec_nr; i++) {
180 get_fetch_map(remote_refs, &remote->fetch[i], &tail, 0);
181 if (remote->fetch[i].dst &&
182 remote->fetch[i].dst[0])
184 if (!i && !has_merge && ref_map &&
185 !remote->fetch[0].pattern)
189 * if the remote we're fetching from is the same
190 * as given in branch.<name>.remote, we add the
191 * ref given in branch.<name>.merge, too.
193 * Note: has_merge implies non-NULL branch->remote_name
196 !strcmp(branch->remote_name, remote->name))
197 add_merge_config(&ref_map, remote_refs, branch, &tail);
199 ref_map = get_remote_ref(remote_refs, "HEAD");
201 die(_("Couldn't find remote ref HEAD"));
203 tail = &ref_map->next;
206 if (tags == TAGS_DEFAULT && *autotags)
207 find_non_local_tags(transport, &ref_map, &tail);
208 ref_remove_duplicates(ref_map);
213 #define STORE_REF_ERROR_OTHER 1
214 #define STORE_REF_ERROR_DF_CONFLICT 2
216 static int s_update_ref(const char *action,
221 char *rla = getenv("GIT_REFLOG_ACTION");
222 static struct ref_lock *lock;
227 rla = default_rla.buf;
228 snprintf(msg, sizeof(msg), "%s: %s", rla, action);
229 lock = lock_any_ref_for_update(ref->name,
230 check_old ? ref->old_sha1 : NULL, 0);
232 return errno == ENOTDIR ? STORE_REF_ERROR_DF_CONFLICT :
233 STORE_REF_ERROR_OTHER;
234 if (write_ref_sha1(lock, ref->new_sha1, msg) < 0)
235 return errno == ENOTDIR ? STORE_REF_ERROR_DF_CONFLICT :
236 STORE_REF_ERROR_OTHER;
240 #define REFCOL_WIDTH 10
242 static int update_local_ref(struct ref *ref,
244 const struct ref *remote_ref,
245 struct strbuf *display)
247 struct commit *current = NULL, *updated;
248 enum object_type type;
249 struct branch *current_branch = branch_get(NULL);
250 const char *pretty_ref = prettify_refname(ref->name);
252 type = sha1_object_info(ref->new_sha1, NULL);
254 die(_("object %s not found"), sha1_to_hex(ref->new_sha1));
256 if (!hashcmp(ref->old_sha1, ref->new_sha1)) {
258 strbuf_addf(display, "= %-*s %-*s -> %s",
259 TRANSPORT_SUMMARY_WIDTH,
260 _("[up to date]"), REFCOL_WIDTH,
265 if (current_branch &&
266 !strcmp(ref->name, current_branch->name) &&
267 !(update_head_ok || is_bare_repository()) &&
268 !is_null_sha1(ref->old_sha1)) {
270 * If this is the head, and it's not okay to update
271 * the head, and the old value of the head isn't empty...
274 _("! %-*s %-*s -> %s (can't fetch in current branch)"),
275 TRANSPORT_SUMMARY_WIDTH, _("[rejected]"),
276 REFCOL_WIDTH, remote, pretty_ref);
280 if (!is_null_sha1(ref->old_sha1) &&
281 !prefixcmp(ref->name, "refs/tags/")) {
283 r = s_update_ref("updating tag", ref, 0);
284 strbuf_addf(display, "%c %-*s %-*s -> %s%s",
286 TRANSPORT_SUMMARY_WIDTH, _("[tag update]"),
287 REFCOL_WIDTH, remote, pretty_ref,
288 r ? _(" (unable to update local ref)") : "");
292 current = lookup_commit_reference_gently(ref->old_sha1, 1);
293 updated = lookup_commit_reference_gently(ref->new_sha1, 1);
294 if (!current || !updated) {
299 * Nicely describe the new ref we're fetching.
300 * Base this on the remote's ref name, as it's
301 * more likely to follow a standard layout.
303 const char *name = remote_ref ? remote_ref->name : "";
304 if (!prefixcmp(name, "refs/tags/")) {
306 what = _("[new tag]");
307 } else if (!prefixcmp(name, "refs/heads/")) {
308 msg = "storing head";
309 what = _("[new branch]");
312 what = _("[new ref]");
315 if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
316 (recurse_submodules != RECURSE_SUBMODULES_ON))
317 check_for_new_submodule_commits(ref->new_sha1);
318 r = s_update_ref(msg, ref, 0);
319 strbuf_addf(display, "%c %-*s %-*s -> %s%s",
321 TRANSPORT_SUMMARY_WIDTH, what,
322 REFCOL_WIDTH, remote, pretty_ref,
323 r ? _(" (unable to update local ref)") : "");
327 if (in_merge_bases(current, updated)) {
330 strcpy(quickref, find_unique_abbrev(current->object.sha1, DEFAULT_ABBREV));
331 strcat(quickref, "..");
332 strcat(quickref, find_unique_abbrev(ref->new_sha1, DEFAULT_ABBREV));
333 if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
334 (recurse_submodules != RECURSE_SUBMODULES_ON))
335 check_for_new_submodule_commits(ref->new_sha1);
336 r = s_update_ref("fast-forward", ref, 1);
337 strbuf_addf(display, "%c %-*s %-*s -> %s%s",
339 TRANSPORT_SUMMARY_WIDTH, quickref,
340 REFCOL_WIDTH, remote, pretty_ref,
341 r ? _(" (unable to update local ref)") : "");
343 } else if (force || ref->force) {
346 strcpy(quickref, find_unique_abbrev(current->object.sha1, DEFAULT_ABBREV));
347 strcat(quickref, "...");
348 strcat(quickref, find_unique_abbrev(ref->new_sha1, DEFAULT_ABBREV));
349 if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
350 (recurse_submodules != RECURSE_SUBMODULES_ON))
351 check_for_new_submodule_commits(ref->new_sha1);
352 r = s_update_ref("forced-update", ref, 1);
353 strbuf_addf(display, "%c %-*s %-*s -> %s (%s)",
355 TRANSPORT_SUMMARY_WIDTH, quickref,
356 REFCOL_WIDTH, remote, pretty_ref,
357 r ? _("unable to update local ref") : _("forced update"));
360 strbuf_addf(display, "! %-*s %-*s -> %s %s",
361 TRANSPORT_SUMMARY_WIDTH, _("[rejected]"),
362 REFCOL_WIDTH, remote, pretty_ref,
363 _("(non-fast-forward)"));
368 static int iterate_ref_map(void *cb_data, unsigned char sha1[20])
370 struct ref **rm = cb_data;
371 struct ref *ref = *rm;
374 return -1; /* end of the list */
376 hashcpy(sha1, ref->old_sha1);
380 static int store_updated_refs(const char *raw_url, const char *remote_name,
384 struct commit *commit;
385 int url_len, i, shown_url = 0, rc = 0;
386 struct strbuf note = STRBUF_INIT;
387 const char *what, *kind;
389 char *url, *filename = dry_run ? "/dev/null" : git_path("FETCH_HEAD");
392 fp = fopen(filename, "a");
394 return error(_("cannot open %s: %s\n"), filename, strerror(errno));
397 url = transport_anonymize_url(raw_url);
399 url = xstrdup("foreign");
402 if (check_everything_connected(iterate_ref_map, 0, &rm)) {
403 rc = error(_("%s did not send all necessary objects\n"), url);
408 * The first pass writes objects to be merged and then the
409 * second pass writes the rest, in order to allow using
410 * FETCH_HEAD as a refname to refer to the ref to be merged.
412 for (want_merge = 1; 0 <= want_merge; want_merge--) {
413 for (rm = ref_map; rm; rm = rm->next) {
414 struct ref *ref = NULL;
416 commit = lookup_commit_reference_gently(rm->old_sha1, 1);
420 if (rm->merge != want_merge)
424 ref = xcalloc(1, sizeof(*ref) + strlen(rm->peer_ref->name) + 1);
425 strcpy(ref->name, rm->peer_ref->name);
426 hashcpy(ref->old_sha1, rm->peer_ref->old_sha1);
427 hashcpy(ref->new_sha1, rm->old_sha1);
428 ref->force = rm->peer_ref->force;
432 if (!strcmp(rm->name, "HEAD")) {
436 else if (!prefixcmp(rm->name, "refs/heads/")) {
438 what = rm->name + 11;
440 else if (!prefixcmp(rm->name, "refs/tags/")) {
442 what = rm->name + 10;
444 else if (!prefixcmp(rm->name, "refs/remotes/")) {
445 kind = "remote-tracking branch";
446 what = rm->name + 13;
453 url_len = strlen(url);
454 for (i = url_len - 1; url[i] == '/' && 0 <= i; i--)
457 if (4 < i && !strncmp(".git", url + i - 3, 4))
463 strbuf_addf(¬e, "%s ", kind);
464 strbuf_addf(¬e, "'%s' of ", what);
466 fprintf(fp, "%s\t%s\t%s",
467 sha1_to_hex(rm->old_sha1),
468 rm->merge ? "" : "not-for-merge",
470 for (i = 0; i < url_len; ++i)
479 rc |= update_local_ref(ref, what, rm, ¬e);
482 strbuf_addf(¬e, "* %-*s %-*s -> FETCH_HEAD",
483 TRANSPORT_SUMMARY_WIDTH,
484 *kind ? kind : "branch",
486 *what ? what : "HEAD");
488 if (verbosity >= 0 && !shown_url) {
489 fprintf(stderr, _("From %.*s\n"),
494 fprintf(stderr, " %s\n", note.buf);
499 if (rc & STORE_REF_ERROR_DF_CONFLICT)
500 error(_("some local refs could not be updated; try running\n"
501 " 'git remote prune %s' to remove any old, conflicting "
502 "branches"), remote_name);
505 strbuf_release(¬e);
512 * We would want to bypass the object transfer altogether if
513 * everything we are going to fetch already exists and is connected
516 static int quickfetch(struct ref *ref_map)
518 struct ref *rm = ref_map;
521 * If we are deepening a shallow clone we already have these
522 * objects reachable. Running rev-list here will return with
523 * a good (0) exit status and we'll bypass the fetch that we
524 * really need to perform. Claiming failure now will ensure
525 * we perform the network exchange to deepen our history.
529 return check_everything_connected(iterate_ref_map, 1, &rm);
532 static int fetch_refs(struct transport *transport, struct ref *ref_map)
534 int ret = quickfetch(ref_map);
536 ret = transport_fetch_refs(transport, ref_map);
538 ret |= store_updated_refs(transport->url,
539 transport->remote->name,
541 transport_unlock_pack(transport);
545 static int prune_refs(struct refspec *refs, int ref_count, struct ref *ref_map)
548 struct ref *ref, *stale_refs = get_stale_heads(refs, ref_count, ref_map);
549 const char *dangling_msg = dry_run
550 ? _(" (%s will become dangling)")
551 : _(" (%s has become dangling)");
553 for (ref = stale_refs; ref; ref = ref->next) {
555 result |= delete_ref(ref->name, NULL, 0);
556 if (verbosity >= 0) {
557 fprintf(stderr, " x %-*s %-*s -> %s\n",
558 TRANSPORT_SUMMARY_WIDTH, _("[deleted]"),
559 REFCOL_WIDTH, _("(none)"), prettify_refname(ref->name));
560 warn_dangling_symref(stderr, dangling_msg, ref->name);
563 free_refs(stale_refs);
567 static int add_existing(const char *refname, const unsigned char *sha1,
568 int flag, void *cbdata)
570 struct string_list *list = (struct string_list *)cbdata;
571 struct string_list_item *item = string_list_insert(list, refname);
572 item->util = (void *)sha1;
576 static int will_fetch(struct ref **head, const unsigned char *sha1)
578 struct ref *rm = *head;
580 if (!hashcmp(rm->old_sha1, sha1))
587 static void find_non_local_tags(struct transport *transport,
591 struct string_list existing_refs = STRING_LIST_INIT_NODUP;
592 struct string_list remote_refs = STRING_LIST_INIT_NODUP;
593 const struct ref *ref;
594 struct string_list_item *item = NULL;
596 for_each_ref(add_existing, &existing_refs);
597 for (ref = transport_get_remote_refs(transport); ref; ref = ref->next) {
598 if (prefixcmp(ref->name, "refs/tags/"))
602 * The peeled ref always follows the matching base
603 * ref, so if we see a peeled ref that we don't want
604 * to fetch then we can mark the ref entry in the list
605 * as one to ignore by setting util to NULL.
607 if (!suffixcmp(ref->name, "^{}")) {
608 if (item && !has_sha1_file(ref->old_sha1) &&
609 !will_fetch(head, ref->old_sha1) &&
610 !has_sha1_file(item->util) &&
611 !will_fetch(head, item->util))
618 * If item is non-NULL here, then we previously saw a
619 * ref not followed by a peeled reference, so we need
620 * to check if it is a lightweight tag that we want to
623 if (item && !has_sha1_file(item->util) &&
624 !will_fetch(head, item->util))
629 /* skip duplicates and refs that we already have */
630 if (string_list_has_string(&remote_refs, ref->name) ||
631 string_list_has_string(&existing_refs, ref->name))
634 item = string_list_insert(&remote_refs, ref->name);
635 item->util = (void *)ref->old_sha1;
637 string_list_clear(&existing_refs, 0);
640 * We may have a final lightweight tag that needs to be
641 * checked to see if it needs fetching.
643 if (item && !has_sha1_file(item->util) &&
644 !will_fetch(head, item->util))
648 * For all the tags in the remote_refs string list,
649 * add them to the list of refs to be fetched
651 for_each_string_list_item(item, &remote_refs) {
652 /* Unless we have already decided to ignore this item... */
655 struct ref *rm = alloc_ref(item->string);
656 rm->peer_ref = alloc_ref(item->string);
657 hashcpy(rm->old_sha1, item->util);
663 string_list_clear(&remote_refs, 0);
666 static void check_not_current_branch(struct ref *ref_map)
668 struct branch *current_branch = branch_get(NULL);
670 if (is_bare_repository() || !current_branch)
673 for (; ref_map; ref_map = ref_map->next)
674 if (ref_map->peer_ref && !strcmp(current_branch->refname,
675 ref_map->peer_ref->name))
676 die(_("Refusing to fetch into current branch %s "
677 "of non-bare repository"), current_branch->refname);
680 static int truncate_fetch_head(void)
682 char *filename = git_path("FETCH_HEAD");
683 FILE *fp = fopen(filename, "w");
686 return error(_("cannot open %s: %s\n"), filename, strerror(errno));
691 static int do_fetch(struct transport *transport,
692 struct refspec *refs, int ref_count)
694 struct string_list existing_refs = STRING_LIST_INIT_NODUP;
695 struct string_list_item *peer_item = NULL;
698 int autotags = (transport->remote->fetch_tags == 1);
700 for_each_ref(add_existing, &existing_refs);
702 if (tags == TAGS_DEFAULT) {
703 if (transport->remote->fetch_tags == 2)
705 if (transport->remote->fetch_tags == -1)
709 if (!transport->get_refs_list || !transport->fetch)
710 die(_("Don't know how to fetch from %s"), transport->url);
712 /* if not appending, truncate FETCH_HEAD */
713 if (!append && !dry_run) {
714 int errcode = truncate_fetch_head();
719 ref_map = get_ref_map(transport, refs, ref_count, tags, &autotags);
721 check_not_current_branch(ref_map);
723 for (rm = ref_map; rm; rm = rm->next) {
725 peer_item = string_list_lookup(&existing_refs,
728 hashcpy(rm->peer_ref->old_sha1,
733 if (tags == TAGS_DEFAULT && autotags)
734 transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1");
735 if (fetch_refs(transport, ref_map)) {
740 /* If --tags was specified, pretend the user gave us the canonical tags refspec */
741 if (tags == TAGS_SET) {
742 const char *tags_str = "refs/tags/*:refs/tags/*";
743 struct refspec *tags_refspec, *refspec;
745 /* Copy the refspec and add the tags to it */
746 refspec = xcalloc(ref_count + 1, sizeof(struct refspec));
747 tags_refspec = parse_fetch_refspec(1, &tags_str);
748 memcpy(refspec, refs, ref_count * sizeof(struct refspec));
749 memcpy(&refspec[ref_count], tags_refspec, sizeof(struct refspec));
752 prune_refs(refspec, ref_count, ref_map);
755 /* The rest of the strings belong to fetch_one */
756 free_refspec(1, tags_refspec);
758 } else if (ref_count) {
759 prune_refs(refs, ref_count, ref_map);
761 prune_refs(transport->remote->fetch, transport->remote->fetch_refspec_nr, ref_map);
766 /* if neither --no-tags nor --tags was specified, do automated tag
768 if (tags == TAGS_DEFAULT && autotags) {
769 struct ref **tail = &ref_map;
771 find_non_local_tags(transport, &ref_map, &tail);
773 transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, NULL);
774 transport_set_option(transport, TRANS_OPT_DEPTH, "0");
775 fetch_refs(transport, ref_map);
783 static void set_option(const char *name, const char *value)
785 int r = transport_set_option(transport, name, value);
787 die(_("Option \"%s\" value \"%s\" is not valid for %s"),
788 name, value, transport->url);
790 warning(_("Option \"%s\" is ignored for %s\n"),
791 name, transport->url);
794 static int get_one_remote_for_fetch(struct remote *remote, void *priv)
796 struct string_list *list = priv;
797 if (!remote->skip_default_update)
798 string_list_append(list, remote->name);
802 struct remote_group_data {
804 struct string_list *list;
807 static int get_remote_group(const char *key, const char *value, void *priv)
809 struct remote_group_data *g = priv;
811 if (!prefixcmp(key, "remotes.") &&
812 !strcmp(key + 8, g->name)) {
813 /* split list by white space */
814 int space = strcspn(value, " \t\n");
817 string_list_append(g->list,
818 xstrndup(value, space));
820 value += space + (value[space] != '\0');
821 space = strcspn(value, " \t\n");
828 static int add_remote_or_group(const char *name, struct string_list *list)
830 int prev_nr = list->nr;
831 struct remote_group_data g;
832 g.name = name; g.list = list;
834 git_config(get_remote_group, &g);
835 if (list->nr == prev_nr) {
836 struct remote *remote;
837 if (!remote_is_configured(name))
839 remote = remote_get(name);
840 string_list_append(list, remote->name);
845 static void add_options_to_argv(struct argv_array *argv)
848 argv_array_push(argv, "--dry-run");
850 argv_array_push(argv, "--prune");
852 argv_array_push(argv, "--update-head-ok");
854 argv_array_push(argv, "--force");
856 argv_array_push(argv, "--keep");
857 if (recurse_submodules == RECURSE_SUBMODULES_ON)
858 argv_array_push(argv, "--recurse-submodules");
859 else if (recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND)
860 argv_array_push(argv, "--recurse-submodules=on-demand");
861 if (tags == TAGS_SET)
862 argv_array_push(argv, "--tags");
863 else if (tags == TAGS_UNSET)
864 argv_array_push(argv, "--no-tags");
866 argv_array_push(argv, "-v");
868 argv_array_push(argv, "-v");
869 else if (verbosity < 0)
870 argv_array_push(argv, "-q");
874 static int fetch_multiple(struct string_list *list)
877 struct argv_array argv = ARGV_ARRAY_INIT;
879 if (!append && !dry_run) {
880 int errcode = truncate_fetch_head();
885 argv_array_pushl(&argv, "fetch", "--append", NULL);
886 add_options_to_argv(&argv);
888 for (i = 0; i < list->nr; i++) {
889 const char *name = list->items[i].string;
890 argv_array_push(&argv, name);
892 printf(_("Fetching %s\n"), name);
893 if (run_command_v_opt(argv.argv, RUN_GIT_CMD)) {
894 error(_("Could not fetch %s"), name);
897 argv_array_pop(&argv);
900 argv_array_clear(&argv);
904 static int fetch_one(struct remote *remote, int argc, const char **argv)
907 static const char **refs = NULL;
908 struct refspec *refspec;
913 die(_("No remote repository specified. Please, specify either a URL or a\n"
914 "remote name from which new revisions should be fetched."));
916 transport = transport_get(remote, NULL);
917 transport_set_verbosity(transport, verbosity, progress);
919 set_option(TRANS_OPT_UPLOADPACK, upload_pack);
921 set_option(TRANS_OPT_KEEP, "yes");
923 set_option(TRANS_OPT_DEPTH, depth);
927 refs = xcalloc(argc + 1, sizeof(const char *));
928 for (i = 0; i < argc; i++) {
929 if (!strcmp(argv[i], "tag")) {
933 die(_("You need to specify a tag name."));
934 ref = xmalloc(strlen(argv[i]) * 2 + 22);
935 strcpy(ref, "refs/tags/");
936 strcat(ref, argv[i]);
937 strcat(ref, ":refs/tags/");
938 strcat(ref, argv[i]);
947 sigchain_push_common(unlock_pack_on_signal);
949 refspec = parse_fetch_refspec(ref_nr, refs);
950 exit_code = do_fetch(transport, refspec, ref_nr);
951 free_refspec(ref_nr, refspec);
952 transport_disconnect(transport);
957 int cmd_fetch(int argc, const char **argv, const char *prefix)
960 struct string_list list = STRING_LIST_INIT_NODUP;
961 struct remote *remote;
964 packet_trace_identity("fetch");
966 /* Record the command line for the reflog */
967 strbuf_addstr(&default_rla, "fetch");
968 for (i = 1; i < argc; i++)
969 strbuf_addf(&default_rla, " %s", argv[i]);
971 argc = parse_options(argc, argv, prefix,
972 builtin_fetch_options, builtin_fetch_usage, 0);
974 if (recurse_submodules != RECURSE_SUBMODULES_OFF) {
975 if (recurse_submodules_default) {
976 int arg = parse_fetch_recurse_submodules_arg("--recurse-submodules-default", recurse_submodules_default);
977 set_config_fetch_recurse_submodules(arg);
980 git_config(submodule_config, NULL);
985 die(_("fetch --all does not take a repository argument"));
987 die(_("fetch --all does not make sense with refspecs"));
988 (void) for_each_remote(get_one_remote_for_fetch, &list);
989 result = fetch_multiple(&list);
990 } else if (argc == 0) {
991 /* No arguments -- use default remote */
992 remote = remote_get(NULL);
993 result = fetch_one(remote, argc, argv);
994 } else if (multiple) {
995 /* All arguments are assumed to be remotes or groups */
996 for (i = 0; i < argc; i++)
997 if (!add_remote_or_group(argv[i], &list))
998 die(_("No such remote or remote group: %s"), argv[i]);
999 result = fetch_multiple(&list);
1001 /* Single remote or group */
1002 (void) add_remote_or_group(argv[0], &list);
1004 /* More than one remote */
1006 die(_("Fetching a group and specifying refspecs does not make sense"));
1007 result = fetch_multiple(&list);
1009 /* Zero or one remotes */
1010 remote = remote_get(argv[0]);
1011 result = fetch_one(remote, argc-1, argv+1);
1015 if (!result && (recurse_submodules != RECURSE_SUBMODULES_OFF)) {
1016 struct argv_array options = ARGV_ARRAY_INIT;
1018 add_options_to_argv(&options);
1019 result = fetch_populated_submodules(&options,
1023 argv_array_clear(&options);
1026 /* All names were strdup()ed or strndup()ed */
1027 list.strdup_strings = 1;
1028 string_list_clear(&list, 0);