1/*
2 * "git fetch"
3 */
4#include "cache.h"
5#include "refs.h"
6#include "commit.h"
7#include "builtin.h"
8#include "string-list.h"
9#include "remote.h"
10#include "transport.h"
11#include "run-command.h"
12#include "parse-options.h"
13#include "sigchain.h"
14#include "submodule-config.h"
15#include "submodule.h"
16#include "connected.h"
17#include "argv-array.h"
18#include "utf8.h"
19
20static const char * const builtin_fetch_usage[] = {
21 N_("git fetch [<options>] [<repository> [<refspec>...]]"),
22 N_("git fetch [<options>] <group>"),
23 N_("git fetch --multiple [<options>] [(<repository> | <group>)...]"),
24 N_("git fetch --all [<options>]"),
25 NULL
26};
27
28enum {
29 TAGS_UNSET = 0,
30 TAGS_DEFAULT = 1,
31 TAGS_SET = 2
32};
33
34static int fetch_prune_config = -1; /* unspecified */
35static int prune = -1; /* unspecified */
36#define PRUNE_BY_DEFAULT 0 /* do we prune by default? */
37
38static int all, append, dry_run, force, keep, multiple, update_head_ok, verbosity, deepen_relative;
39static int progress = -1, recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
40static int tags = TAGS_DEFAULT, unshallow, update_shallow, deepen;
41static int max_children = -1;
42static enum transport_family family;
43static const char *depth;
44static const char *deepen_since;
45static const char *upload_pack;
46static struct string_list deepen_not = STRING_LIST_INIT_NODUP;
47static struct strbuf default_rla = STRBUF_INIT;
48static struct transport *gtransport;
49static struct transport *gsecondary;
50static const char *submodule_prefix = "";
51static const char *recurse_submodules_default;
52static int shown_url = 0;
53static int refmap_alloc, refmap_nr;
54static const char **refmap_array;
55
56static int option_parse_recurse_submodules(const struct option *opt,
57 const char *arg, int unset)
58{
59 if (unset) {
60 recurse_submodules = RECURSE_SUBMODULES_OFF;
61 } else {
62 if (arg)
63 recurse_submodules = parse_fetch_recurse_submodules_arg(opt->long_name, arg);
64 else
65 recurse_submodules = RECURSE_SUBMODULES_ON;
66 }
67 return 0;
68}
69
70static int git_fetch_config(const char *k, const char *v, void *cb)
71{
72 if (!strcmp(k, "fetch.prune")) {
73 fetch_prune_config = git_config_bool(k, v);
74 return 0;
75 }
76
77 if (!strcmp(k, "submodule.recurse")) {
78 int r = git_config_bool(k, v) ?
79 RECURSE_SUBMODULES_ON : RECURSE_SUBMODULES_OFF;
80 recurse_submodules = r;
81 }
82
83 return git_default_config(k, v, cb);
84}
85
86static int parse_refmap_arg(const struct option *opt, const char *arg, int unset)
87{
88 ALLOC_GROW(refmap_array, refmap_nr + 1, refmap_alloc);
89
90 /*
91 * "git fetch --refmap='' origin foo"
92 * can be used to tell the command not to store anywhere
93 */
94 if (*arg)
95 refmap_array[refmap_nr++] = arg;
96 return 0;
97}
98
99static struct option builtin_fetch_options[] = {
100 OPT__VERBOSITY(&verbosity),
101 OPT_BOOL(0, "all", &all,
102 N_("fetch from all remotes")),
103 OPT_BOOL('a', "append", &append,
104 N_("append to .git/FETCH_HEAD instead of overwriting")),
105 OPT_STRING(0, "upload-pack", &upload_pack, N_("path"),
106 N_("path to upload pack on remote end")),
107 OPT__FORCE(&force, N_("force overwrite of local branch")),
108 OPT_BOOL('m', "multiple", &multiple,
109 N_("fetch from multiple remotes")),
110 OPT_SET_INT('t', "tags", &tags,
111 N_("fetch all tags and associated objects"), TAGS_SET),
112 OPT_SET_INT('n', NULL, &tags,
113 N_("do not fetch all tags (--no-tags)"), TAGS_UNSET),
114 OPT_INTEGER('j', "jobs", &max_children,
115 N_("number of submodules fetched in parallel")),
116 OPT_BOOL('p', "prune", &prune,
117 N_("prune remote-tracking branches no longer on remote")),
118 { OPTION_CALLBACK, 0, "recurse-submodules", NULL, N_("on-demand"),
119 N_("control recursive fetching of submodules"),
120 PARSE_OPT_OPTARG, option_parse_recurse_submodules },
121 OPT_BOOL(0, "dry-run", &dry_run,
122 N_("dry run")),
123 OPT_BOOL('k', "keep", &keep, N_("keep downloaded pack")),
124 OPT_BOOL('u', "update-head-ok", &update_head_ok,
125 N_("allow updating of HEAD ref")),
126 OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
127 OPT_STRING(0, "depth", &depth, N_("depth"),
128 N_("deepen history of shallow clone")),
129 OPT_STRING(0, "shallow-since", &deepen_since, N_("time"),
130 N_("deepen history of shallow repository based on time")),
131 OPT_STRING_LIST(0, "shallow-exclude", &deepen_not, N_("revision"),
132 N_("deepen history of shallow clone, excluding rev")),
133 OPT_INTEGER(0, "deepen", &deepen_relative,
134 N_("deepen history of shallow clone")),
135 { OPTION_SET_INT, 0, "unshallow", &unshallow, NULL,
136 N_("convert to a complete repository"),
137 PARSE_OPT_NONEG | PARSE_OPT_NOARG, NULL, 1 },
138 { OPTION_STRING, 0, "submodule-prefix", &submodule_prefix, N_("dir"),
139 N_("prepend this to submodule path output"), PARSE_OPT_HIDDEN },
140 { OPTION_STRING, 0, "recurse-submodules-default",
141 &recurse_submodules_default, NULL,
142 N_("default mode for recursion"), PARSE_OPT_HIDDEN },
143 OPT_BOOL(0, "update-shallow", &update_shallow,
144 N_("accept refs that update .git/shallow")),
145 { OPTION_CALLBACK, 0, "refmap", NULL, N_("refmap"),
146 N_("specify fetch refmap"), PARSE_OPT_NONEG, parse_refmap_arg },
147 OPT_SET_INT('4', "ipv4", &family, N_("use IPv4 addresses only"),
148 TRANSPORT_FAMILY_IPV4),
149 OPT_SET_INT('6', "ipv6", &family, N_("use IPv6 addresses only"),
150 TRANSPORT_FAMILY_IPV6),
151 OPT_END()
152};
153
154static void unlock_pack(void)
155{
156 if (gtransport)
157 transport_unlock_pack(gtransport);
158 if (gsecondary)
159 transport_unlock_pack(gsecondary);
160}
161
162static void unlock_pack_on_signal(int signo)
163{
164 unlock_pack();
165 sigchain_pop(signo);
166 raise(signo);
167}
168
169static void add_merge_config(struct ref **head,
170 const struct ref *remote_refs,
171 struct branch *branch,
172 struct ref ***tail)
173{
174 int i;
175
176 for (i = 0; i < branch->merge_nr; i++) {
177 struct ref *rm, **old_tail = *tail;
178 struct refspec refspec;
179
180 for (rm = *head; rm; rm = rm->next) {
181 if (branch_merge_matches(branch, i, rm->name)) {
182 rm->fetch_head_status = FETCH_HEAD_MERGE;
183 break;
184 }
185 }
186 if (rm)
187 continue;
188
189 /*
190 * Not fetched to a remote-tracking branch? We need to fetch
191 * it anyway to allow this branch's "branch.$name.merge"
192 * to be honored by 'git pull', but we do not have to
193 * fail if branch.$name.merge is misconfigured to point
194 * at a nonexisting branch. If we were indeed called by
195 * 'git pull', it will notice the misconfiguration because
196 * there is no entry in the resulting FETCH_HEAD marked
197 * for merging.
198 */
199 memset(&refspec, 0, sizeof(refspec));
200 refspec.src = branch->merge[i]->src;
201 get_fetch_map(remote_refs, &refspec, tail, 1);
202 for (rm = *old_tail; rm; rm = rm->next)
203 rm->fetch_head_status = FETCH_HEAD_MERGE;
204 }
205}
206
207static int add_existing(const char *refname, const struct object_id *oid,
208 int flag, void *cbdata)
209{
210 struct string_list *list = (struct string_list *)cbdata;
211 struct string_list_item *item = string_list_insert(list, refname);
212 struct object_id *old_oid = xmalloc(sizeof(*old_oid));
213
214 oidcpy(old_oid, oid);
215 item->util = old_oid;
216 return 0;
217}
218
219static int will_fetch(struct ref **head, const unsigned char *sha1)
220{
221 struct ref *rm = *head;
222 while (rm) {
223 if (!hashcmp(rm->old_oid.hash, sha1))
224 return 1;
225 rm = rm->next;
226 }
227 return 0;
228}
229
230static void find_non_local_tags(struct transport *transport,
231 struct ref **head,
232 struct ref ***tail)
233{
234 struct string_list existing_refs = STRING_LIST_INIT_DUP;
235 struct string_list remote_refs = STRING_LIST_INIT_NODUP;
236 const struct ref *ref;
237 struct string_list_item *item = NULL;
238
239 for_each_ref(add_existing, &existing_refs);
240 for (ref = transport_get_remote_refs(transport); ref; ref = ref->next) {
241 if (!starts_with(ref->name, "refs/tags/"))
242 continue;
243
244 /*
245 * The peeled ref always follows the matching base
246 * ref, so if we see a peeled ref that we don't want
247 * to fetch then we can mark the ref entry in the list
248 * as one to ignore by setting util to NULL.
249 */
250 if (ends_with(ref->name, "^{}")) {
251 if (item &&
252 !has_object_file_with_flags(&ref->old_oid,
253 OBJECT_INFO_QUICK) &&
254 !will_fetch(head, ref->old_oid.hash) &&
255 !has_sha1_file_with_flags(item->util,
256 OBJECT_INFO_QUICK) &&
257 !will_fetch(head, item->util))
258 item->util = NULL;
259 item = NULL;
260 continue;
261 }
262
263 /*
264 * If item is non-NULL here, then we previously saw a
265 * ref not followed by a peeled reference, so we need
266 * to check if it is a lightweight tag that we want to
267 * fetch.
268 */
269 if (item &&
270 !has_sha1_file_with_flags(item->util, OBJECT_INFO_QUICK) &&
271 !will_fetch(head, item->util))
272 item->util = NULL;
273
274 item = NULL;
275
276 /* skip duplicates and refs that we already have */
277 if (string_list_has_string(&remote_refs, ref->name) ||
278 string_list_has_string(&existing_refs, ref->name))
279 continue;
280
281 item = string_list_insert(&remote_refs, ref->name);
282 item->util = (void *)&ref->old_oid;
283 }
284 string_list_clear(&existing_refs, 1);
285
286 /*
287 * We may have a final lightweight tag that needs to be
288 * checked to see if it needs fetching.
289 */
290 if (item &&
291 !has_sha1_file_with_flags(item->util, OBJECT_INFO_QUICK) &&
292 !will_fetch(head, item->util))
293 item->util = NULL;
294
295 /*
296 * For all the tags in the remote_refs string list,
297 * add them to the list of refs to be fetched
298 */
299 for_each_string_list_item(item, &remote_refs) {
300 /* Unless we have already decided to ignore this item... */
301 if (item->util)
302 {
303 struct ref *rm = alloc_ref(item->string);
304 rm->peer_ref = alloc_ref(item->string);
305 oidcpy(&rm->old_oid, item->util);
306 **tail = rm;
307 *tail = &rm->next;
308 }
309 }
310
311 string_list_clear(&remote_refs, 0);
312}
313
314static struct ref *get_ref_map(struct transport *transport,
315 struct refspec *refspecs, int refspec_count,
316 int tags, int *autotags)
317{
318 int i;
319 struct ref *rm;
320 struct ref *ref_map = NULL;
321 struct ref **tail = &ref_map;
322
323 /* opportunistically-updated references: */
324 struct ref *orefs = NULL, **oref_tail = &orefs;
325
326 const struct ref *remote_refs = transport_get_remote_refs(transport);
327
328 if (refspec_count) {
329 struct refspec *fetch_refspec;
330 int fetch_refspec_nr;
331
332 for (i = 0; i < refspec_count; i++) {
333 get_fetch_map(remote_refs, &refspecs[i], &tail, 0);
334 if (refspecs[i].dst && refspecs[i].dst[0])
335 *autotags = 1;
336 }
337 /* Merge everything on the command line (but not --tags) */
338 for (rm = ref_map; rm; rm = rm->next)
339 rm->fetch_head_status = FETCH_HEAD_MERGE;
340
341 /*
342 * For any refs that we happen to be fetching via
343 * command-line arguments, the destination ref might
344 * have been missing or have been different than the
345 * remote-tracking ref that would be derived from the
346 * configured refspec. In these cases, we want to
347 * take the opportunity to update their configured
348 * remote-tracking reference. However, we do not want
349 * to mention these entries in FETCH_HEAD at all, as
350 * they would simply be duplicates of existing
351 * entries, so we set them FETCH_HEAD_IGNORE below.
352 *
353 * We compute these entries now, based only on the
354 * refspecs specified on the command line. But we add
355 * them to the list following the refspecs resulting
356 * from the tags option so that one of the latter,
357 * which has FETCH_HEAD_NOT_FOR_MERGE, is not removed
358 * by ref_remove_duplicates() in favor of one of these
359 * opportunistic entries with FETCH_HEAD_IGNORE.
360 */
361 if (refmap_array) {
362 fetch_refspec = parse_fetch_refspec(refmap_nr, refmap_array);
363 fetch_refspec_nr = refmap_nr;
364 } else {
365 fetch_refspec = transport->remote->fetch;
366 fetch_refspec_nr = transport->remote->fetch_refspec_nr;
367 }
368
369 for (i = 0; i < fetch_refspec_nr; i++)
370 get_fetch_map(ref_map, &fetch_refspec[i], &oref_tail, 1);
371 } else if (refmap_array) {
372 die("--refmap option is only meaningful with command-line refspec(s).");
373 } else {
374 /* Use the defaults */
375 struct remote *remote = transport->remote;
376 struct branch *branch = branch_get(NULL);
377 int has_merge = branch_has_merge_config(branch);
378 if (remote &&
379 (remote->fetch_refspec_nr ||
380 /* Note: has_merge implies non-NULL branch->remote_name */
381 (has_merge && !strcmp(branch->remote_name, remote->name)))) {
382 for (i = 0; i < remote->fetch_refspec_nr; i++) {
383 get_fetch_map(remote_refs, &remote->fetch[i], &tail, 0);
384 if (remote->fetch[i].dst &&
385 remote->fetch[i].dst[0])
386 *autotags = 1;
387 if (!i && !has_merge && ref_map &&
388 !remote->fetch[0].pattern)
389 ref_map->fetch_head_status = FETCH_HEAD_MERGE;
390 }
391 /*
392 * if the remote we're fetching from is the same
393 * as given in branch.<name>.remote, we add the
394 * ref given in branch.<name>.merge, too.
395 *
396 * Note: has_merge implies non-NULL branch->remote_name
397 */
398 if (has_merge &&
399 !strcmp(branch->remote_name, remote->name))
400 add_merge_config(&ref_map, remote_refs, branch, &tail);
401 } else {
402 ref_map = get_remote_ref(remote_refs, "HEAD");
403 if (!ref_map)
404 die(_("Couldn't find remote ref HEAD"));
405 ref_map->fetch_head_status = FETCH_HEAD_MERGE;
406 tail = &ref_map->next;
407 }
408 }
409
410 if (tags == TAGS_SET)
411 /* also fetch all tags */
412 get_fetch_map(remote_refs, tag_refspec, &tail, 0);
413 else if (tags == TAGS_DEFAULT && *autotags)
414 find_non_local_tags(transport, &ref_map, &tail);
415
416 /* Now append any refs to be updated opportunistically: */
417 *tail = orefs;
418 for (rm = orefs; rm; rm = rm->next) {
419 rm->fetch_head_status = FETCH_HEAD_IGNORE;
420 tail = &rm->next;
421 }
422
423 return ref_remove_duplicates(ref_map);
424}
425
426#define STORE_REF_ERROR_OTHER 1
427#define STORE_REF_ERROR_DF_CONFLICT 2
428
429static int s_update_ref(const char *action,
430 struct ref *ref,
431 int check_old)
432{
433 char *msg;
434 char *rla = getenv("GIT_REFLOG_ACTION");
435 struct ref_transaction *transaction;
436 struct strbuf err = STRBUF_INIT;
437 int ret, df_conflict = 0;
438
439 if (dry_run)
440 return 0;
441 if (!rla)
442 rla = default_rla.buf;
443 msg = xstrfmt("%s: %s", rla, action);
444
445 transaction = ref_transaction_begin(&err);
446 if (!transaction ||
447 ref_transaction_update(transaction, ref->name,
448 ref->new_oid.hash,
449 check_old ? ref->old_oid.hash : NULL,
450 0, msg, &err))
451 goto fail;
452
453 ret = ref_transaction_commit(transaction, &err);
454 if (ret) {
455 df_conflict = (ret == TRANSACTION_NAME_CONFLICT);
456 goto fail;
457 }
458
459 ref_transaction_free(transaction);
460 strbuf_release(&err);
461 free(msg);
462 return 0;
463fail:
464 ref_transaction_free(transaction);
465 error("%s", err.buf);
466 strbuf_release(&err);
467 free(msg);
468 return df_conflict ? STORE_REF_ERROR_DF_CONFLICT
469 : STORE_REF_ERROR_OTHER;
470}
471
472static int refcol_width = 10;
473static int compact_format;
474
475static void adjust_refcol_width(const struct ref *ref)
476{
477 int max, rlen, llen, len;
478
479 /* uptodate lines are only shown on high verbosity level */
480 if (!verbosity && !oidcmp(&ref->peer_ref->old_oid, &ref->old_oid))
481 return;
482
483 max = term_columns();
484 rlen = utf8_strwidth(prettify_refname(ref->name));
485
486 llen = utf8_strwidth(prettify_refname(ref->peer_ref->name));
487
488 /*
489 * rough estimation to see if the output line is too long and
490 * should not be counted (we can't do precise calculation
491 * anyway because we don't know if the error explanation part
492 * will be printed in update_local_ref)
493 */
494 if (compact_format) {
495 llen = 0;
496 max = max * 2 / 3;
497 }
498 len = 21 /* flag and summary */ + rlen + 4 /* -> */ + llen;
499 if (len >= max)
500 return;
501
502 /*
503 * Not precise calculation for compact mode because '*' can
504 * appear on the left hand side of '->' and shrink the column
505 * back.
506 */
507 if (refcol_width < rlen)
508 refcol_width = rlen;
509}
510
511static void prepare_format_display(struct ref *ref_map)
512{
513 struct ref *rm;
514 const char *format = "full";
515
516 git_config_get_string_const("fetch.output", &format);
517 if (!strcasecmp(format, "full"))
518 compact_format = 0;
519 else if (!strcasecmp(format, "compact"))
520 compact_format = 1;
521 else
522 die(_("configuration fetch.output contains invalid value %s"),
523 format);
524
525 for (rm = ref_map; rm; rm = rm->next) {
526 if (rm->status == REF_STATUS_REJECT_SHALLOW ||
527 !rm->peer_ref ||
528 !strcmp(rm->name, "HEAD"))
529 continue;
530
531 adjust_refcol_width(rm);
532 }
533}
534
535static void print_remote_to_local(struct strbuf *display,
536 const char *remote, const char *local)
537{
538 strbuf_addf(display, "%-*s -> %s", refcol_width, remote, local);
539}
540
541static int find_and_replace(struct strbuf *haystack,
542 const char *needle,
543 const char *placeholder)
544{
545 const char *p = strstr(haystack->buf, needle);
546 int plen, nlen;
547
548 if (!p)
549 return 0;
550
551 if (p > haystack->buf && p[-1] != '/')
552 return 0;
553
554 plen = strlen(p);
555 nlen = strlen(needle);
556 if (plen > nlen && p[nlen] != '/')
557 return 0;
558
559 strbuf_splice(haystack, p - haystack->buf, nlen,
560 placeholder, strlen(placeholder));
561 return 1;
562}
563
564static void print_compact(struct strbuf *display,
565 const char *remote, const char *local)
566{
567 struct strbuf r = STRBUF_INIT;
568 struct strbuf l = STRBUF_INIT;
569
570 if (!strcmp(remote, local)) {
571 strbuf_addf(display, "%-*s -> *", refcol_width, remote);
572 return;
573 }
574
575 strbuf_addstr(&r, remote);
576 strbuf_addstr(&l, local);
577
578 if (!find_and_replace(&r, local, "*"))
579 find_and_replace(&l, remote, "*");
580 print_remote_to_local(display, r.buf, l.buf);
581
582 strbuf_release(&r);
583 strbuf_release(&l);
584}
585
586static void format_display(struct strbuf *display, char code,
587 const char *summary, const char *error,
588 const char *remote, const char *local,
589 int summary_width)
590{
591 int width = (summary_width + strlen(summary) - gettext_width(summary));
592
593 strbuf_addf(display, "%c %-*s ", code, width, summary);
594 if (!compact_format)
595 print_remote_to_local(display, remote, local);
596 else
597 print_compact(display, remote, local);
598 if (error)
599 strbuf_addf(display, " (%s)", error);
600}
601
602static int update_local_ref(struct ref *ref,
603 const char *remote,
604 const struct ref *remote_ref,
605 struct strbuf *display,
606 int summary_width)
607{
608 struct commit *current = NULL, *updated;
609 enum object_type type;
610 struct branch *current_branch = branch_get(NULL);
611 const char *pretty_ref = prettify_refname(ref->name);
612
613 type = sha1_object_info(ref->new_oid.hash, NULL);
614 if (type < 0)
615 die(_("object %s not found"), oid_to_hex(&ref->new_oid));
616
617 if (!oidcmp(&ref->old_oid, &ref->new_oid)) {
618 if (verbosity > 0)
619 format_display(display, '=', _("[up to date]"), NULL,
620 remote, pretty_ref, summary_width);
621 return 0;
622 }
623
624 if (current_branch &&
625 !strcmp(ref->name, current_branch->name) &&
626 !(update_head_ok || is_bare_repository()) &&
627 !is_null_oid(&ref->old_oid)) {
628 /*
629 * If this is the head, and it's not okay to update
630 * the head, and the old value of the head isn't empty...
631 */
632 format_display(display, '!', _("[rejected]"),
633 _("can't fetch in current branch"),
634 remote, pretty_ref, summary_width);
635 return 1;
636 }
637
638 if (!is_null_oid(&ref->old_oid) &&
639 starts_with(ref->name, "refs/tags/")) {
640 int r;
641 r = s_update_ref("updating tag", ref, 0);
642 format_display(display, r ? '!' : 't', _("[tag update]"),
643 r ? _("unable to update local ref") : NULL,
644 remote, pretty_ref, summary_width);
645 return r;
646 }
647
648 current = lookup_commit_reference_gently(&ref->old_oid, 1);
649 updated = lookup_commit_reference_gently(&ref->new_oid, 1);
650 if (!current || !updated) {
651 const char *msg;
652 const char *what;
653 int r;
654 /*
655 * Nicely describe the new ref we're fetching.
656 * Base this on the remote's ref name, as it's
657 * more likely to follow a standard layout.
658 */
659 const char *name = remote_ref ? remote_ref->name : "";
660 if (starts_with(name, "refs/tags/")) {
661 msg = "storing tag";
662 what = _("[new tag]");
663 } else if (starts_with(name, "refs/heads/")) {
664 msg = "storing head";
665 what = _("[new branch]");
666 } else {
667 msg = "storing ref";
668 what = _("[new ref]");
669 }
670
671 if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
672 (recurse_submodules != RECURSE_SUBMODULES_ON))
673 check_for_new_submodule_commits(&ref->new_oid);
674 r = s_update_ref(msg, ref, 0);
675 format_display(display, r ? '!' : '*', what,
676 r ? _("unable to update local ref") : NULL,
677 remote, pretty_ref, summary_width);
678 return r;
679 }
680
681 if (in_merge_bases(current, updated)) {
682 struct strbuf quickref = STRBUF_INIT;
683 int r;
684 strbuf_add_unique_abbrev(&quickref, current->object.oid.hash, DEFAULT_ABBREV);
685 strbuf_addstr(&quickref, "..");
686 strbuf_add_unique_abbrev(&quickref, ref->new_oid.hash, DEFAULT_ABBREV);
687 if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
688 (recurse_submodules != RECURSE_SUBMODULES_ON))
689 check_for_new_submodule_commits(&ref->new_oid);
690 r = s_update_ref("fast-forward", ref, 1);
691 format_display(display, r ? '!' : ' ', quickref.buf,
692 r ? _("unable to update local ref") : NULL,
693 remote, pretty_ref, summary_width);
694 strbuf_release(&quickref);
695 return r;
696 } else if (force || ref->force) {
697 struct strbuf quickref = STRBUF_INIT;
698 int r;
699 strbuf_add_unique_abbrev(&quickref, current->object.oid.hash, DEFAULT_ABBREV);
700 strbuf_addstr(&quickref, "...");
701 strbuf_add_unique_abbrev(&quickref, ref->new_oid.hash, DEFAULT_ABBREV);
702 if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
703 (recurse_submodules != RECURSE_SUBMODULES_ON))
704 check_for_new_submodule_commits(&ref->new_oid);
705 r = s_update_ref("forced-update", ref, 1);
706 format_display(display, r ? '!' : '+', quickref.buf,
707 r ? _("unable to update local ref") : _("forced update"),
708 remote, pretty_ref, summary_width);
709 strbuf_release(&quickref);
710 return r;
711 } else {
712 format_display(display, '!', _("[rejected]"), _("non-fast-forward"),
713 remote, pretty_ref, summary_width);
714 return 1;
715 }
716}
717
718static int iterate_ref_map(void *cb_data, unsigned char sha1[20])
719{
720 struct ref **rm = cb_data;
721 struct ref *ref = *rm;
722
723 while (ref && ref->status == REF_STATUS_REJECT_SHALLOW)
724 ref = ref->next;
725 if (!ref)
726 return -1; /* end of the list */
727 *rm = ref->next;
728 hashcpy(sha1, ref->old_oid.hash);
729 return 0;
730}
731
732static int store_updated_refs(const char *raw_url, const char *remote_name,
733 struct ref *ref_map)
734{
735 FILE *fp;
736 struct commit *commit;
737 int url_len, i, rc = 0;
738 struct strbuf note = STRBUF_INIT;
739 const char *what, *kind;
740 struct ref *rm;
741 char *url;
742 const char *filename = dry_run ? "/dev/null" : git_path_fetch_head();
743 int want_status;
744 int summary_width = transport_summary_width(ref_map);
745
746 fp = fopen(filename, "a");
747 if (!fp)
748 return error_errno(_("cannot open %s"), filename);
749
750 if (raw_url)
751 url = transport_anonymize_url(raw_url);
752 else
753 url = xstrdup("foreign");
754
755 rm = ref_map;
756 if (check_connected(iterate_ref_map, &rm, NULL)) {
757 rc = error(_("%s did not send all necessary objects\n"), url);
758 goto abort;
759 }
760
761 prepare_format_display(ref_map);
762
763 /*
764 * We do a pass for each fetch_head_status type in their enum order, so
765 * merged entries are written before not-for-merge. That lets readers
766 * use FETCH_HEAD as a refname to refer to the ref to be merged.
767 */
768 for (want_status = FETCH_HEAD_MERGE;
769 want_status <= FETCH_HEAD_IGNORE;
770 want_status++) {
771 for (rm = ref_map; rm; rm = rm->next) {
772 struct ref *ref = NULL;
773 const char *merge_status_marker = "";
774
775 if (rm->status == REF_STATUS_REJECT_SHALLOW) {
776 if (want_status == FETCH_HEAD_MERGE)
777 warning(_("reject %s because shallow roots are not allowed to be updated"),
778 rm->peer_ref ? rm->peer_ref->name : rm->name);
779 continue;
780 }
781
782 commit = lookup_commit_reference_gently(&rm->old_oid,
783 1);
784 if (!commit)
785 rm->fetch_head_status = FETCH_HEAD_NOT_FOR_MERGE;
786
787 if (rm->fetch_head_status != want_status)
788 continue;
789
790 if (rm->peer_ref) {
791 ref = alloc_ref(rm->peer_ref->name);
792 oidcpy(&ref->old_oid, &rm->peer_ref->old_oid);
793 oidcpy(&ref->new_oid, &rm->old_oid);
794 ref->force = rm->peer_ref->force;
795 }
796
797
798 if (!strcmp(rm->name, "HEAD")) {
799 kind = "";
800 what = "";
801 }
802 else if (starts_with(rm->name, "refs/heads/")) {
803 kind = "branch";
804 what = rm->name + 11;
805 }
806 else if (starts_with(rm->name, "refs/tags/")) {
807 kind = "tag";
808 what = rm->name + 10;
809 }
810 else if (starts_with(rm->name, "refs/remotes/")) {
811 kind = "remote-tracking branch";
812 what = rm->name + 13;
813 }
814 else {
815 kind = "";
816 what = rm->name;
817 }
818
819 url_len = strlen(url);
820 for (i = url_len - 1; url[i] == '/' && 0 <= i; i--)
821 ;
822 url_len = i + 1;
823 if (4 < i && !strncmp(".git", url + i - 3, 4))
824 url_len = i - 3;
825
826 strbuf_reset(¬e);
827 if (*what) {
828 if (*kind)
829 strbuf_addf(¬e, "%s ", kind);
830 strbuf_addf(¬e, "'%s' of ", what);
831 }
832 switch (rm->fetch_head_status) {
833 case FETCH_HEAD_NOT_FOR_MERGE:
834 merge_status_marker = "not-for-merge";
835 /* fall-through */
836 case FETCH_HEAD_MERGE:
837 fprintf(fp, "%s\t%s\t%s",
838 oid_to_hex(&rm->old_oid),
839 merge_status_marker,
840 note.buf);
841 for (i = 0; i < url_len; ++i)
842 if ('\n' == url[i])
843 fputs("\\n", fp);
844 else
845 fputc(url[i], fp);
846 fputc('\n', fp);
847 break;
848 default:
849 /* do not write anything to FETCH_HEAD */
850 break;
851 }
852
853 strbuf_reset(¬e);
854 if (ref) {
855 rc |= update_local_ref(ref, what, rm, ¬e,
856 summary_width);
857 free(ref);
858 } else
859 format_display(¬e, '*',
860 *kind ? kind : "branch", NULL,
861 *what ? what : "HEAD",
862 "FETCH_HEAD", summary_width);
863 if (note.len) {
864 if (verbosity >= 0 && !shown_url) {
865 fprintf(stderr, _("From %.*s\n"),
866 url_len, url);
867 shown_url = 1;
868 }
869 if (verbosity >= 0)
870 fprintf(stderr, " %s\n", note.buf);
871 }
872 }
873 }
874
875 if (rc & STORE_REF_ERROR_DF_CONFLICT)
876 error(_("some local refs could not be updated; try running\n"
877 " 'git remote prune %s' to remove any old, conflicting "
878 "branches"), remote_name);
879
880 abort:
881 strbuf_release(¬e);
882 free(url);
883 fclose(fp);
884 return rc;
885}
886
887/*
888 * We would want to bypass the object transfer altogether if
889 * everything we are going to fetch already exists and is connected
890 * locally.
891 */
892static int quickfetch(struct ref *ref_map)
893{
894 struct ref *rm = ref_map;
895 struct check_connected_options opt = CHECK_CONNECTED_INIT;
896
897 /*
898 * If we are deepening a shallow clone we already have these
899 * objects reachable. Running rev-list here will return with
900 * a good (0) exit status and we'll bypass the fetch that we
901 * really need to perform. Claiming failure now will ensure
902 * we perform the network exchange to deepen our history.
903 */
904 if (deepen)
905 return -1;
906 opt.quiet = 1;
907 return check_connected(iterate_ref_map, &rm, &opt);
908}
909
910static int fetch_refs(struct transport *transport, struct ref *ref_map)
911{
912 int ret = quickfetch(ref_map);
913 if (ret)
914 ret = transport_fetch_refs(transport, ref_map);
915 if (!ret)
916 ret |= store_updated_refs(transport->url,
917 transport->remote->name,
918 ref_map);
919 transport_unlock_pack(transport);
920 return ret;
921}
922
923static int prune_refs(struct refspec *refs, int ref_count, struct ref *ref_map,
924 const char *raw_url)
925{
926 int url_len, i, result = 0;
927 struct ref *ref, *stale_refs = get_stale_heads(refs, ref_count, ref_map);
928 char *url;
929 int summary_width = transport_summary_width(stale_refs);
930 const char *dangling_msg = dry_run
931 ? _(" (%s will become dangling)")
932 : _(" (%s has become dangling)");
933
934 if (raw_url)
935 url = transport_anonymize_url(raw_url);
936 else
937 url = xstrdup("foreign");
938
939 url_len = strlen(url);
940 for (i = url_len - 1; url[i] == '/' && 0 <= i; i--)
941 ;
942
943 url_len = i + 1;
944 if (4 < i && !strncmp(".git", url + i - 3, 4))
945 url_len = i - 3;
946
947 if (!dry_run) {
948 struct string_list refnames = STRING_LIST_INIT_NODUP;
949
950 for (ref = stale_refs; ref; ref = ref->next)
951 string_list_append(&refnames, ref->name);
952
953 result = delete_refs("fetch: prune", &refnames, 0);
954 string_list_clear(&refnames, 0);
955 }
956
957 if (verbosity >= 0) {
958 for (ref = stale_refs; ref; ref = ref->next) {
959 struct strbuf sb = STRBUF_INIT;
960 if (!shown_url) {
961 fprintf(stderr, _("From %.*s\n"), url_len, url);
962 shown_url = 1;
963 }
964 format_display(&sb, '-', _("[deleted]"), NULL,
965 _("(none)"), prettify_refname(ref->name),
966 summary_width);
967 fprintf(stderr, " %s\n",sb.buf);
968 strbuf_release(&sb);
969 warn_dangling_symref(stderr, dangling_msg, ref->name);
970 }
971 }
972
973 free(url);
974 free_refs(stale_refs);
975 return result;
976}
977
978static void check_not_current_branch(struct ref *ref_map)
979{
980 struct branch *current_branch = branch_get(NULL);
981
982 if (is_bare_repository() || !current_branch)
983 return;
984
985 for (; ref_map; ref_map = ref_map->next)
986 if (ref_map->peer_ref && !strcmp(current_branch->refname,
987 ref_map->peer_ref->name))
988 die(_("Refusing to fetch into current branch %s "
989 "of non-bare repository"), current_branch->refname);
990}
991
992static int truncate_fetch_head(void)
993{
994 const char *filename = git_path_fetch_head();
995 FILE *fp = fopen_for_writing(filename);
996
997 if (!fp)
998 return error_errno(_("cannot open %s"), filename);
999 fclose(fp);
1000 return 0;
1001}
1002
1003static void set_option(struct transport *transport, const char *name, const char *value)
1004{
1005 int r = transport_set_option(transport, name, value);
1006 if (r < 0)
1007 die(_("Option \"%s\" value \"%s\" is not valid for %s"),
1008 name, value, transport->url);
1009 if (r > 0)
1010 warning(_("Option \"%s\" is ignored for %s\n"),
1011 name, transport->url);
1012}
1013
1014static struct transport *prepare_transport(struct remote *remote, int deepen)
1015{
1016 struct transport *transport;
1017 transport = transport_get(remote, NULL);
1018 transport_set_verbosity(transport, verbosity, progress);
1019 transport->family = family;
1020 if (upload_pack)
1021 set_option(transport, TRANS_OPT_UPLOADPACK, upload_pack);
1022 if (keep)
1023 set_option(transport, TRANS_OPT_KEEP, "yes");
1024 if (depth)
1025 set_option(transport, TRANS_OPT_DEPTH, depth);
1026 if (deepen && deepen_since)
1027 set_option(transport, TRANS_OPT_DEEPEN_SINCE, deepen_since);
1028 if (deepen && deepen_not.nr)
1029 set_option(transport, TRANS_OPT_DEEPEN_NOT,
1030 (const char *)&deepen_not);
1031 if (deepen_relative)
1032 set_option(transport, TRANS_OPT_DEEPEN_RELATIVE, "yes");
1033 if (update_shallow)
1034 set_option(transport, TRANS_OPT_UPDATE_SHALLOW, "yes");
1035 return transport;
1036}
1037
1038static void backfill_tags(struct transport *transport, struct ref *ref_map)
1039{
1040 int cannot_reuse;
1041
1042 /*
1043 * Once we have set TRANS_OPT_DEEPEN_SINCE, we can't unset it
1044 * when remote helper is used (setting it to an empty string
1045 * is not unsetting). We could extend the remote helper
1046 * protocol for that, but for now, just force a new connection
1047 * without deepen-since. Similar story for deepen-not.
1048 */
1049 cannot_reuse = transport->cannot_reuse ||
1050 deepen_since || deepen_not.nr;
1051 if (cannot_reuse) {
1052 gsecondary = prepare_transport(transport->remote, 0);
1053 transport = gsecondary;
1054 }
1055
1056 transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, NULL);
1057 transport_set_option(transport, TRANS_OPT_DEPTH, "0");
1058 transport_set_option(transport, TRANS_OPT_DEEPEN_RELATIVE, NULL);
1059 fetch_refs(transport, ref_map);
1060
1061 if (gsecondary) {
1062 transport_disconnect(gsecondary);
1063 gsecondary = NULL;
1064 }
1065}
1066
1067static int do_fetch(struct transport *transport,
1068 struct refspec *refs, int ref_count)
1069{
1070 struct string_list existing_refs = STRING_LIST_INIT_DUP;
1071 struct ref *ref_map;
1072 struct ref *rm;
1073 int autotags = (transport->remote->fetch_tags == 1);
1074 int retcode = 0;
1075
1076 for_each_ref(add_existing, &existing_refs);
1077
1078 if (tags == TAGS_DEFAULT) {
1079 if (transport->remote->fetch_tags == 2)
1080 tags = TAGS_SET;
1081 if (transport->remote->fetch_tags == -1)
1082 tags = TAGS_UNSET;
1083 }
1084
1085 if (!transport->get_refs_list || !transport->fetch)
1086 die(_("Don't know how to fetch from %s"), transport->url);
1087
1088 /* if not appending, truncate FETCH_HEAD */
1089 if (!append && !dry_run) {
1090 retcode = truncate_fetch_head();
1091 if (retcode)
1092 goto cleanup;
1093 }
1094
1095 ref_map = get_ref_map(transport, refs, ref_count, tags, &autotags);
1096 if (!update_head_ok)
1097 check_not_current_branch(ref_map);
1098
1099 for (rm = ref_map; rm; rm = rm->next) {
1100 if (rm->peer_ref) {
1101 struct string_list_item *peer_item =
1102 string_list_lookup(&existing_refs,
1103 rm->peer_ref->name);
1104 if (peer_item) {
1105 struct object_id *old_oid = peer_item->util;
1106 oidcpy(&rm->peer_ref->old_oid, old_oid);
1107 }
1108 }
1109 }
1110
1111 if (tags == TAGS_DEFAULT && autotags)
1112 transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1");
1113 if (prune) {
1114 /*
1115 * We only prune based on refspecs specified
1116 * explicitly (via command line or configuration); we
1117 * don't care whether --tags was specified.
1118 */
1119 if (ref_count) {
1120 prune_refs(refs, ref_count, ref_map, transport->url);
1121 } else {
1122 prune_refs(transport->remote->fetch,
1123 transport->remote->fetch_refspec_nr,
1124 ref_map,
1125 transport->url);
1126 }
1127 }
1128 if (fetch_refs(transport, ref_map)) {
1129 free_refs(ref_map);
1130 retcode = 1;
1131 goto cleanup;
1132 }
1133 free_refs(ref_map);
1134
1135 /* if neither --no-tags nor --tags was specified, do automated tag
1136 * following ... */
1137 if (tags == TAGS_DEFAULT && autotags) {
1138 struct ref **tail = &ref_map;
1139 ref_map = NULL;
1140 find_non_local_tags(transport, &ref_map, &tail);
1141 if (ref_map)
1142 backfill_tags(transport, ref_map);
1143 free_refs(ref_map);
1144 }
1145
1146 cleanup:
1147 string_list_clear(&existing_refs, 1);
1148 return retcode;
1149}
1150
1151static int get_one_remote_for_fetch(struct remote *remote, void *priv)
1152{
1153 struct string_list *list = priv;
1154 if (!remote->skip_default_update)
1155 string_list_append(list, remote->name);
1156 return 0;
1157}
1158
1159struct remote_group_data {
1160 const char *name;
1161 struct string_list *list;
1162};
1163
1164static int get_remote_group(const char *key, const char *value, void *priv)
1165{
1166 struct remote_group_data *g = priv;
1167
1168 if (skip_prefix(key, "remotes.", &key) && !strcmp(key, g->name)) {
1169 /* split list by white space */
1170 while (*value) {
1171 size_t wordlen = strcspn(value, " \t\n");
1172
1173 if (wordlen >= 1)
1174 string_list_append_nodup(g->list,
1175 xstrndup(value, wordlen));
1176 value += wordlen + (value[wordlen] != '\0');
1177 }
1178 }
1179
1180 return 0;
1181}
1182
1183static int add_remote_or_group(const char *name, struct string_list *list)
1184{
1185 int prev_nr = list->nr;
1186 struct remote_group_data g;
1187 g.name = name; g.list = list;
1188
1189 git_config(get_remote_group, &g);
1190 if (list->nr == prev_nr) {
1191 struct remote *remote = remote_get(name);
1192 if (!remote_is_configured(remote, 0))
1193 return 0;
1194 string_list_append(list, remote->name);
1195 }
1196 return 1;
1197}
1198
1199static void add_options_to_argv(struct argv_array *argv)
1200{
1201 if (dry_run)
1202 argv_array_push(argv, "--dry-run");
1203 if (prune != -1)
1204 argv_array_push(argv, prune ? "--prune" : "--no-prune");
1205 if (update_head_ok)
1206 argv_array_push(argv, "--update-head-ok");
1207 if (force)
1208 argv_array_push(argv, "--force");
1209 if (keep)
1210 argv_array_push(argv, "--keep");
1211 if (recurse_submodules == RECURSE_SUBMODULES_ON)
1212 argv_array_push(argv, "--recurse-submodules");
1213 else if (recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND)
1214 argv_array_push(argv, "--recurse-submodules=on-demand");
1215 if (tags == TAGS_SET)
1216 argv_array_push(argv, "--tags");
1217 else if (tags == TAGS_UNSET)
1218 argv_array_push(argv, "--no-tags");
1219 if (verbosity >= 2)
1220 argv_array_push(argv, "-v");
1221 if (verbosity >= 1)
1222 argv_array_push(argv, "-v");
1223 else if (verbosity < 0)
1224 argv_array_push(argv, "-q");
1225
1226}
1227
1228static int fetch_multiple(struct string_list *list)
1229{
1230 int i, result = 0;
1231 struct argv_array argv = ARGV_ARRAY_INIT;
1232
1233 if (!append && !dry_run) {
1234 int errcode = truncate_fetch_head();
1235 if (errcode)
1236 return errcode;
1237 }
1238
1239 argv_array_pushl(&argv, "fetch", "--append", NULL);
1240 add_options_to_argv(&argv);
1241
1242 for (i = 0; i < list->nr; i++) {
1243 const char *name = list->items[i].string;
1244 argv_array_push(&argv, name);
1245 if (verbosity >= 0)
1246 printf(_("Fetching %s\n"), name);
1247 if (run_command_v_opt(argv.argv, RUN_GIT_CMD)) {
1248 error(_("Could not fetch %s"), name);
1249 result = 1;
1250 }
1251 argv_array_pop(&argv);
1252 }
1253
1254 argv_array_clear(&argv);
1255 return result;
1256}
1257
1258static int fetch_one(struct remote *remote, int argc, const char **argv)
1259{
1260 static const char **refs = NULL;
1261 struct refspec *refspec;
1262 int ref_nr = 0;
1263 int exit_code;
1264
1265 if (!remote)
1266 die(_("No remote repository specified. Please, specify either a URL or a\n"
1267 "remote name from which new revisions should be fetched."));
1268
1269 gtransport = prepare_transport(remote, 1);
1270
1271 if (prune < 0) {
1272 /* no command line request */
1273 if (0 <= gtransport->remote->prune)
1274 prune = gtransport->remote->prune;
1275 else if (0 <= fetch_prune_config)
1276 prune = fetch_prune_config;
1277 else
1278 prune = PRUNE_BY_DEFAULT;
1279 }
1280
1281 if (argc > 0) {
1282 int j = 0;
1283 int i;
1284 refs = xcalloc(st_add(argc, 1), sizeof(const char *));
1285 for (i = 0; i < argc; i++) {
1286 if (!strcmp(argv[i], "tag")) {
1287 i++;
1288 if (i >= argc)
1289 die(_("You need to specify a tag name."));
1290 refs[j++] = xstrfmt("refs/tags/%s:refs/tags/%s",
1291 argv[i], argv[i]);
1292 } else
1293 refs[j++] = argv[i];
1294 }
1295 refs[j] = NULL;
1296 ref_nr = j;
1297 }
1298
1299 sigchain_push_common(unlock_pack_on_signal);
1300 atexit(unlock_pack);
1301 refspec = parse_fetch_refspec(ref_nr, refs);
1302 exit_code = do_fetch(gtransport, refspec, ref_nr);
1303 free_refspec(ref_nr, refspec);
1304 transport_disconnect(gtransport);
1305 gtransport = NULL;
1306 return exit_code;
1307}
1308
1309int cmd_fetch(int argc, const char **argv, const char *prefix)
1310{
1311 int i;
1312 struct string_list list = STRING_LIST_INIT_DUP;
1313 struct remote *remote;
1314 int result = 0;
1315 struct argv_array argv_gc_auto = ARGV_ARRAY_INIT;
1316
1317 packet_trace_identity("fetch");
1318
1319 /* Record the command line for the reflog */
1320 strbuf_addstr(&default_rla, "fetch");
1321 for (i = 1; i < argc; i++)
1322 strbuf_addf(&default_rla, " %s", argv[i]);
1323
1324 git_config(git_fetch_config, NULL);
1325
1326 argc = parse_options(argc, argv, prefix,
1327 builtin_fetch_options, builtin_fetch_usage, 0);
1328
1329 if (deepen_relative) {
1330 if (deepen_relative < 0)
1331 die(_("Negative depth in --deepen is not supported"));
1332 if (depth)
1333 die(_("--deepen and --depth are mutually exclusive"));
1334 depth = xstrfmt("%d", deepen_relative);
1335 }
1336 if (unshallow) {
1337 if (depth)
1338 die(_("--depth and --unshallow cannot be used together"));
1339 else if (!is_repository_shallow())
1340 die(_("--unshallow on a complete repository does not make sense"));
1341 else
1342 depth = xstrfmt("%d", INFINITE_DEPTH);
1343 }
1344
1345 /* no need to be strict, transport_set_option() will validate it again */
1346 if (depth && atoi(depth) < 1)
1347 die(_("depth %s is not a positive number"), depth);
1348 if (depth || deepen_since || deepen_not.nr)
1349 deepen = 1;
1350
1351 if (recurse_submodules != RECURSE_SUBMODULES_OFF) {
1352 if (recurse_submodules_default) {
1353 int arg = parse_fetch_recurse_submodules_arg("--recurse-submodules-default", recurse_submodules_default);
1354 set_config_fetch_recurse_submodules(arg);
1355 }
1356 gitmodules_config();
1357 git_config(submodule_config, NULL);
1358 }
1359
1360 if (all) {
1361 if (argc == 1)
1362 die(_("fetch --all does not take a repository argument"));
1363 else if (argc > 1)
1364 die(_("fetch --all does not make sense with refspecs"));
1365 (void) for_each_remote(get_one_remote_for_fetch, &list);
1366 result = fetch_multiple(&list);
1367 } else if (argc == 0) {
1368 /* No arguments -- use default remote */
1369 remote = remote_get(NULL);
1370 result = fetch_one(remote, argc, argv);
1371 } else if (multiple) {
1372 /* All arguments are assumed to be remotes or groups */
1373 for (i = 0; i < argc; i++)
1374 if (!add_remote_or_group(argv[i], &list))
1375 die(_("No such remote or remote group: %s"), argv[i]);
1376 result = fetch_multiple(&list);
1377 } else {
1378 /* Single remote or group */
1379 (void) add_remote_or_group(argv[0], &list);
1380 if (list.nr > 1) {
1381 /* More than one remote */
1382 if (argc > 1)
1383 die(_("Fetching a group and specifying refspecs does not make sense"));
1384 result = fetch_multiple(&list);
1385 } else {
1386 /* Zero or one remotes */
1387 remote = remote_get(argv[0]);
1388 result = fetch_one(remote, argc-1, argv+1);
1389 }
1390 }
1391
1392 if (!result && (recurse_submodules != RECURSE_SUBMODULES_OFF)) {
1393 struct argv_array options = ARGV_ARRAY_INIT;
1394
1395 add_options_to_argv(&options);
1396 result = fetch_populated_submodules(&options,
1397 submodule_prefix,
1398 recurse_submodules,
1399 verbosity < 0,
1400 max_children);
1401 argv_array_clear(&options);
1402 }
1403
1404 string_list_clear(&list, 0);
1405
1406 close_all_packs();
1407
1408 argv_array_pushl(&argv_gc_auto, "gc", "--auto", NULL);
1409 if (verbosity < 0)
1410 argv_array_push(&argv_gc_auto, "--quiet");
1411 run_command_v_opt(argv_gc_auto.argv, RUN_GIT_CMD);
1412 argv_array_clear(&argv_gc_auto);
1413
1414 return result;
1415}