1/*
2 * "git fetch"
3 */
4#include "cache.h"
5#include "config.h"
6#include "refs.h"
7#include "commit.h"
8#include "builtin.h"
9#include "string-list.h"
10#include "remote.h"
11#include "transport.h"
12#include "run-command.h"
13#include "parse-options.h"
14#include "sigchain.h"
15#include "submodule-config.h"
16#include "submodule.h"
17#include "connected.h"
18#include "argv-array.h"
19#include "utf8.h"
20static const char * const builtin_fetch_usage[] = {
22 N_("git fetch [<options>] [<repository> [<refspec>...]]"),
23 N_("git fetch [<options>] <group>"),
24 N_("git fetch --multiple [<options>] [(<repository> | <group>)...]"),
25 N_("git fetch --all [<options>]"),
26 NULL
27};
28enum {
30 TAGS_UNSET = 0,
31 TAGS_DEFAULT = 1,
32 TAGS_SET = 2
33};
34static int fetch_prune_config = -1; /* unspecified */
36static int prune = -1; /* unspecified */
37#define PRUNE_BY_DEFAULT 0 /* do we prune by default? */
38static int all, append, dry_run, force, keep, multiple, update_head_ok, verbosity, deepen_relative;
40static int progress = -1, recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
41static int tags = TAGS_DEFAULT, unshallow, update_shallow, deepen;
42static int max_children = -1;
43static enum transport_family family;
44static const char *depth;
45static const char *deepen_since;
46static const char *upload_pack;
47static struct string_list deepen_not = STRING_LIST_INIT_NODUP;
48static struct strbuf default_rla = STRBUF_INIT;
49static struct transport *gtransport;
50static struct transport *gsecondary;
51static const char *submodule_prefix = "";
52static const char *recurse_submodules_default;
53static int shown_url = 0;
54static int refmap_alloc, refmap_nr;
55static const char **refmap_array;
56static int option_parse_recurse_submodules(const struct option *opt,
58 const char *arg, int unset)
59{
60 if (unset) {
61 recurse_submodules = RECURSE_SUBMODULES_OFF;
62 } else {
63 if (arg)
64 recurse_submodules = parse_fetch_recurse_submodules_arg(opt->long_name, arg);
65 else
66 recurse_submodules = RECURSE_SUBMODULES_ON;
67 }
68 return 0;
69}
70static int git_fetch_config(const char *k, const char *v, void *cb)
72{
73 if (!strcmp(k, "fetch.prune")) {
74 fetch_prune_config = git_config_bool(k, v);
75 return 0;
76 }
77 if (!strcmp(k, "submodule.recurse")) {
79 int r = git_config_bool(k, v) ?
80 RECURSE_SUBMODULES_ON : RECURSE_SUBMODULES_OFF;
81 recurse_submodules = r;
82 }
83 return git_default_config(k, v, cb);
85}
86static int parse_refmap_arg(const struct option *opt, const char *arg, int unset)
88{
89 ALLOC_GROW(refmap_array, refmap_nr + 1, refmap_alloc);
90 /*
92 * "git fetch --refmap='' origin foo"
93 * can be used to tell the command not to store anywhere
94 */
95 if (*arg)
96 refmap_array[refmap_nr++] = arg;
97 return 0;
98}
99static struct option builtin_fetch_options[] = {
101 OPT__VERBOSITY(&verbosity),
102 OPT_BOOL(0, "all", &all,
103 N_("fetch from all remotes")),
104 OPT_BOOL('a', "append", &append,
105 N_("append to .git/FETCH_HEAD instead of overwriting")),
106 OPT_STRING(0, "upload-pack", &upload_pack, N_("path"),
107 N_("path to upload pack on remote end")),
108 OPT__FORCE(&force, N_("force overwrite of local branch")),
109 OPT_BOOL('m', "multiple", &multiple,
110 N_("fetch from multiple remotes")),
111 OPT_SET_INT('t', "tags", &tags,
112 N_("fetch all tags and associated objects"), TAGS_SET),
113 OPT_SET_INT('n', NULL, &tags,
114 N_("do not fetch all tags (--no-tags)"), TAGS_UNSET),
115 OPT_INTEGER('j', "jobs", &max_children,
116 N_("number of submodules fetched in parallel")),
117 OPT_BOOL('p', "prune", &prune,
118 N_("prune remote-tracking branches no longer on remote")),
119 { OPTION_CALLBACK, 0, "recurse-submodules", NULL, N_("on-demand"),
120 N_("control recursive fetching of submodules"),
121 PARSE_OPT_OPTARG, option_parse_recurse_submodules },
122 OPT_BOOL(0, "dry-run", &dry_run,
123 N_("dry run")),
124 OPT_BOOL('k', "keep", &keep, N_("keep downloaded pack")),
125 OPT_BOOL('u', "update-head-ok", &update_head_ok,
126 N_("allow updating of HEAD ref")),
127 OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
128 OPT_STRING(0, "depth", &depth, N_("depth"),
129 N_("deepen history of shallow clone")),
130 OPT_STRING(0, "shallow-since", &deepen_since, N_("time"),
131 N_("deepen history of shallow repository based on time")),
132 OPT_STRING_LIST(0, "shallow-exclude", &deepen_not, N_("revision"),
133 N_("deepen history of shallow clone, excluding rev")),
134 OPT_INTEGER(0, "deepen", &deepen_relative,
135 N_("deepen history of shallow clone")),
136 { OPTION_SET_INT, 0, "unshallow", &unshallow, NULL,
137 N_("convert to a complete repository"),
138 PARSE_OPT_NONEG | PARSE_OPT_NOARG, NULL, 1 },
139 { OPTION_STRING, 0, "submodule-prefix", &submodule_prefix, N_("dir"),
140 N_("prepend this to submodule path output"), PARSE_OPT_HIDDEN },
141 { OPTION_STRING, 0, "recurse-submodules-default",
142 &recurse_submodules_default, NULL,
143 N_("default mode for recursion"), PARSE_OPT_HIDDEN },
144 OPT_BOOL(0, "update-shallow", &update_shallow,
145 N_("accept refs that update .git/shallow")),
146 { OPTION_CALLBACK, 0, "refmap", NULL, N_("refmap"),
147 N_("specify fetch refmap"), PARSE_OPT_NONEG, parse_refmap_arg },
148 OPT_SET_INT('4', "ipv4", &family, N_("use IPv4 addresses only"),
149 TRANSPORT_FAMILY_IPV4),
150 OPT_SET_INT('6', "ipv6", &family, N_("use IPv6 addresses only"),
151 TRANSPORT_FAMILY_IPV6),
152 OPT_END()
153};
154static void unlock_pack(void)
156{
157 if (gtransport)
158 transport_unlock_pack(gtransport);
159 if (gsecondary)
160 transport_unlock_pack(gsecondary);
161}
162static void unlock_pack_on_signal(int signo)
164{
165 unlock_pack();
166 sigchain_pop(signo);
167 raise(signo);
168}
169static void add_merge_config(struct ref **head,
171 const struct ref *remote_refs,
172 struct branch *branch,
173 struct ref ***tail)
174{
175 int i;
176 for (i = 0; i < branch->merge_nr; i++) {
178 struct ref *rm, **old_tail = *tail;
179 struct refspec refspec;
180 for (rm = *head; rm; rm = rm->next) {
182 if (branch_merge_matches(branch, i, rm->name)) {
183 rm->fetch_head_status = FETCH_HEAD_MERGE;
184 break;
185 }
186 }
187 if (rm)
188 continue;
189 /*
191 * Not fetched to a remote-tracking branch? We need to fetch
192 * it anyway to allow this branch's "branch.$name.merge"
193 * to be honored by 'git pull', but we do not have to
194 * fail if branch.$name.merge is misconfigured to point
195 * at a nonexisting branch. If we were indeed called by
196 * 'git pull', it will notice the misconfiguration because
197 * there is no entry in the resulting FETCH_HEAD marked
198 * for merging.
199 */
200 memset(&refspec, 0, sizeof(refspec));
201 refspec.src = branch->merge[i]->src;
202 get_fetch_map(remote_refs, &refspec, tail, 1);
203 for (rm = *old_tail; rm; rm = rm->next)
204 rm->fetch_head_status = FETCH_HEAD_MERGE;
205 }
206}
207static int add_existing(const char *refname, const struct object_id *oid,
209 int flag, void *cbdata)
210{
211 struct string_list *list = (struct string_list *)cbdata;
212 struct string_list_item *item = string_list_insert(list, refname);
213 struct object_id *old_oid = xmalloc(sizeof(*old_oid));
214 oidcpy(old_oid, oid);
216 item->util = old_oid;
217 return 0;
218}
219static int will_fetch(struct ref **head, const unsigned char *sha1)
221{
222 struct ref *rm = *head;
223 while (rm) {
224 if (!hashcmp(rm->old_oid.hash, sha1))
225 return 1;
226 rm = rm->next;
227 }
228 return 0;
229}
230static void find_non_local_tags(struct transport *transport,
232 struct ref **head,
233 struct ref ***tail)
234{
235 struct string_list existing_refs = STRING_LIST_INIT_DUP;
236 struct string_list remote_refs = STRING_LIST_INIT_NODUP;
237 const struct ref *ref;
238 struct string_list_item *item = NULL;
239 for_each_ref(add_existing, &existing_refs);
241 for (ref = transport_get_remote_refs(transport); ref; ref = ref->next) {
242 if (!starts_with(ref->name, "refs/tags/"))
243 continue;
244 /*
246 * The peeled ref always follows the matching base
247 * ref, so if we see a peeled ref that we don't want
248 * to fetch then we can mark the ref entry in the list
249 * as one to ignore by setting util to NULL.
250 */
251 if (ends_with(ref->name, "^{}")) {
252 if (item &&
253 !has_object_file_with_flags(&ref->old_oid, HAS_SHA1_QUICK) &&
254 !will_fetch(head, ref->old_oid.hash) &&
255 !has_sha1_file_with_flags(item->util, HAS_SHA1_QUICK) &&
256 !will_fetch(head, item->util))
257 item->util = NULL;
258 item = NULL;
259 continue;
260 }
261 /*
263 * If item is non-NULL here, then we previously saw a
264 * ref not followed by a peeled reference, so we need
265 * to check if it is a lightweight tag that we want to
266 * fetch.
267 */
268 if (item &&
269 !has_sha1_file_with_flags(item->util, HAS_SHA1_QUICK) &&
270 !will_fetch(head, item->util))
271 item->util = NULL;
272 item = NULL;
274 /* skip duplicates and refs that we already have */
276 if (string_list_has_string(&remote_refs, ref->name) ||
277 string_list_has_string(&existing_refs, ref->name))
278 continue;
279 item = string_list_insert(&remote_refs, ref->name);
281 item->util = (void *)&ref->old_oid;
282 }
283 string_list_clear(&existing_refs, 1);
284 /*
286 * We may have a final lightweight tag that needs to be
287 * checked to see if it needs fetching.
288 */
289 if (item &&
290 !has_sha1_file_with_flags(item->util, HAS_SHA1_QUICK) &&
291 !will_fetch(head, item->util))
292 item->util = NULL;
293 /*
295 * For all the tags in the remote_refs string list,
296 * add them to the list of refs to be fetched
297 */
298 for_each_string_list_item(item, &remote_refs) {
299 /* Unless we have already decided to ignore this item... */
300 if (item->util)
301 {
302 struct ref *rm = alloc_ref(item->string);
303 rm->peer_ref = alloc_ref(item->string);
304 oidcpy(&rm->old_oid, item->util);
305 **tail = rm;
306 *tail = &rm->next;
307 }
308 }
309 string_list_clear(&remote_refs, 0);
311}
312static struct ref *get_ref_map(struct transport *transport,
314 struct refspec *refspecs, int refspec_count,
315 int tags, int *autotags)
316{
317 int i;
318 struct ref *rm;
319 struct ref *ref_map = NULL;
320 struct ref **tail = &ref_map;
321 /* opportunistically-updated references: */
323 struct ref *orefs = NULL, **oref_tail = &orefs;
324 const struct ref *remote_refs = transport_get_remote_refs(transport);
326 if (refspec_count) {
328 struct refspec *fetch_refspec;
329 int fetch_refspec_nr;
330 for (i = 0; i < refspec_count; i++) {
332 get_fetch_map(remote_refs, &refspecs[i], &tail, 0);
333 if (refspecs[i].dst && refspecs[i].dst[0])
334 *autotags = 1;
335 }
336 /* Merge everything on the command line (but not --tags) */
337 for (rm = ref_map; rm; rm = rm->next)
338 rm->fetch_head_status = FETCH_HEAD_MERGE;
339 /*
341 * For any refs that we happen to be fetching via
342 * command-line arguments, the destination ref might
343 * have been missing or have been different than the
344 * remote-tracking ref that would be derived from the
345 * configured refspec. In these cases, we want to
346 * take the opportunity to update their configured
347 * remote-tracking reference. However, we do not want
348 * to mention these entries in FETCH_HEAD at all, as
349 * they would simply be duplicates of existing
350 * entries, so we set them FETCH_HEAD_IGNORE below.
351 *
352 * We compute these entries now, based only on the
353 * refspecs specified on the command line. But we add
354 * them to the list following the refspecs resulting
355 * from the tags option so that one of the latter,
356 * which has FETCH_HEAD_NOT_FOR_MERGE, is not removed
357 * by ref_remove_duplicates() in favor of one of these
358 * opportunistic entries with FETCH_HEAD_IGNORE.
359 */
360 if (refmap_array) {
361 fetch_refspec = parse_fetch_refspec(refmap_nr, refmap_array);
362 fetch_refspec_nr = refmap_nr;
363 } else {
364 fetch_refspec = transport->remote->fetch;
365 fetch_refspec_nr = transport->remote->fetch_refspec_nr;
366 }
367 for (i = 0; i < fetch_refspec_nr; i++)
369 get_fetch_map(ref_map, &fetch_refspec[i], &oref_tail, 1);
370 } else if (refmap_array) {
371 die("--refmap option is only meaningful with command-line refspec(s).");
372 } else {
373 /* Use the defaults */
374 struct remote *remote = transport->remote;
375 struct branch *branch = branch_get(NULL);
376 int has_merge = branch_has_merge_config(branch);
377 if (remote &&
378 (remote->fetch_refspec_nr ||
379 /* Note: has_merge implies non-NULL branch->remote_name */
380 (has_merge && !strcmp(branch->remote_name, remote->name)))) {
381 for (i = 0; i < remote->fetch_refspec_nr; i++) {
382 get_fetch_map(remote_refs, &remote->fetch[i], &tail, 0);
383 if (remote->fetch[i].dst &&
384 remote->fetch[i].dst[0])
385 *autotags = 1;
386 if (!i && !has_merge && ref_map &&
387 !remote->fetch[0].pattern)
388 ref_map->fetch_head_status = FETCH_HEAD_MERGE;
389 }
390 /*
391 * if the remote we're fetching from is the same
392 * as given in branch.<name>.remote, we add the
393 * ref given in branch.<name>.merge, too.
394 *
395 * Note: has_merge implies non-NULL branch->remote_name
396 */
397 if (has_merge &&
398 !strcmp(branch->remote_name, remote->name))
399 add_merge_config(&ref_map, remote_refs, branch, &tail);
400 } else {
401 ref_map = get_remote_ref(remote_refs, "HEAD");
402 if (!ref_map)
403 die(_("Couldn't find remote ref HEAD"));
404 ref_map->fetch_head_status = FETCH_HEAD_MERGE;
405 tail = &ref_map->next;
406 }
407 }
408 if (tags == TAGS_SET)
410 /* also fetch all tags */
411 get_fetch_map(remote_refs, tag_refspec, &tail, 0);
412 else if (tags == TAGS_DEFAULT && *autotags)
413 find_non_local_tags(transport, &ref_map, &tail);
414 /* Now append any refs to be updated opportunistically: */
416 *tail = orefs;
417 for (rm = orefs; rm; rm = rm->next) {
418 rm->fetch_head_status = FETCH_HEAD_IGNORE;
419 tail = &rm->next;
420 }
421 return ref_remove_duplicates(ref_map);
423}
424#define STORE_REF_ERROR_OTHER 1
426#define STORE_REF_ERROR_DF_CONFLICT 2
427static int s_update_ref(const char *action,
429 struct ref *ref,
430 int check_old)
431{
432 char *msg;
433 char *rla = getenv("GIT_REFLOG_ACTION");
434 struct ref_transaction *transaction;
435 struct strbuf err = STRBUF_INIT;
436 int ret, df_conflict = 0;
437 if (dry_run)
439 return 0;
440 if (!rla)
441 rla = default_rla.buf;
442 msg = xstrfmt("%s: %s", rla, action);
443 transaction = ref_transaction_begin(&err);
445 if (!transaction ||
446 ref_transaction_update(transaction, ref->name,
447 ref->new_oid.hash,
448 check_old ? ref->old_oid.hash : NULL,
449 0, msg, &err))
450 goto fail;
451 ret = ref_transaction_commit(transaction, &err);
453 if (ret) {
454 df_conflict = (ret == TRANSACTION_NAME_CONFLICT);
455 goto fail;
456 }
457 ref_transaction_free(transaction);
459 strbuf_release(&err);
460 free(msg);
461 return 0;
462fail:
463 ref_transaction_free(transaction);
464 error("%s", err.buf);
465 strbuf_release(&err);
466 free(msg);
467 return df_conflict ? STORE_REF_ERROR_DF_CONFLICT
468 : STORE_REF_ERROR_OTHER;
469}
470static int refcol_width = 10;
472static int compact_format;
473static void adjust_refcol_width(const struct ref *ref)
475{
476 int max, rlen, llen, len;
477 /* uptodate lines are only shown on high verbosity level */
479 if (!verbosity && !oidcmp(&ref->peer_ref->old_oid, &ref->old_oid))
480 return;
481 max = term_columns();
483 rlen = utf8_strwidth(prettify_refname(ref->name));
484 llen = utf8_strwidth(prettify_refname(ref->peer_ref->name));
486 /*
488 * rough estimation to see if the output line is too long and
489 * should not be counted (we can't do precise calculation
490 * anyway because we don't know if the error explanation part
491 * will be printed in update_local_ref)
492 */
493 if (compact_format) {
494 llen = 0;
495 max = max * 2 / 3;
496 }
497 len = 21 /* flag and summary */ + rlen + 4 /* -> */ + llen;
498 if (len >= max)
499 return;
500 /*
502 * Not precise calculation for compact mode because '*' can
503 * appear on the left hand side of '->' and shrink the column
504 * back.
505 */
506 if (refcol_width < rlen)
507 refcol_width = rlen;
508}
509static void prepare_format_display(struct ref *ref_map)
511{
512 struct ref *rm;
513 const char *format = "full";
514 git_config_get_string_const("fetch.output", &format);
516 if (!strcasecmp(format, "full"))
517 compact_format = 0;
518 else if (!strcasecmp(format, "compact"))
519 compact_format = 1;
520 else
521 die(_("configuration fetch.output contains invalid value %s"),
522 format);
523 for (rm = ref_map; rm; rm = rm->next) {
525 if (rm->status == REF_STATUS_REJECT_SHALLOW ||
526 !rm->peer_ref ||
527 !strcmp(rm->name, "HEAD"))
528 continue;
529 adjust_refcol_width(rm);
531 }
532}
533static void print_remote_to_local(struct strbuf *display,
535 const char *remote, const char *local)
536{
537 strbuf_addf(display, "%-*s -> %s", refcol_width, remote, local);
538}
539static int find_and_replace(struct strbuf *haystack,
541 const char *needle,
542 const char *placeholder)
543{
544 const char *p = strstr(haystack->buf, needle);
545 int plen, nlen;
546 if (!p)
548 return 0;
549 if (p > haystack->buf && p[-1] != '/')
551 return 0;
552 plen = strlen(p);
554 nlen = strlen(needle);
555 if (plen > nlen && p[nlen] != '/')
556 return 0;
557 strbuf_splice(haystack, p - haystack->buf, nlen,
559 placeholder, strlen(placeholder));
560 return 1;
561}
562static void print_compact(struct strbuf *display,
564 const char *remote, const char *local)
565{
566 struct strbuf r = STRBUF_INIT;
567 struct strbuf l = STRBUF_INIT;
568 if (!strcmp(remote, local)) {
570 strbuf_addf(display, "%-*s -> *", refcol_width, remote);
571 return;
572 }
573 strbuf_addstr(&r, remote);
575 strbuf_addstr(&l, local);
576 if (!find_and_replace(&r, local, "*"))
578 find_and_replace(&l, remote, "*");
579 print_remote_to_local(display, r.buf, l.buf);
580 strbuf_release(&r);
582 strbuf_release(&l);
583}
584static void format_display(struct strbuf *display, char code,
586 const char *summary, const char *error,
587 const char *remote, const char *local,
588 int summary_width)
589{
590 int width = (summary_width + strlen(summary) - gettext_width(summary));
591 strbuf_addf(display, "%c %-*s ", code, width, summary);
593 if (!compact_format)
594 print_remote_to_local(display, remote, local);
595 else
596 print_compact(display, remote, local);
597 if (error)
598 strbuf_addf(display, " (%s)", error);
599}
600static int update_local_ref(struct ref *ref,
602 const char *remote,
603 const struct ref *remote_ref,
604 struct strbuf *display,
605 int summary_width)
606{
607 struct commit *current = NULL, *updated;
608 enum object_type type;
609 struct branch *current_branch = branch_get(NULL);
610 const char *pretty_ref = prettify_refname(ref->name);
611 type = sha1_object_info(ref->new_oid.hash, NULL);
613 if (type < 0)
614 die(_("object %s not found"), oid_to_hex(&ref->new_oid));
615 if (!oidcmp(&ref->old_oid, &ref->new_oid)) {
617 if (verbosity > 0)
618 format_display(display, '=', _("[up to date]"), NULL,
619 remote, pretty_ref, summary_width);
620 return 0;
621 }
622 if (current_branch &&
624 !strcmp(ref->name, current_branch->name) &&
625 !(update_head_ok || is_bare_repository()) &&
626 !is_null_oid(&ref->old_oid)) {
627 /*
628 * If this is the head, and it's not okay to update
629 * the head, and the old value of the head isn't empty...
630 */
631 format_display(display, '!', _("[rejected]"),
632 _("can't fetch in current branch"),
633 remote, pretty_ref, summary_width);
634 return 1;
635 }
636 if (!is_null_oid(&ref->old_oid) &&
638 starts_with(ref->name, "refs/tags/")) {
639 int r;
640 r = s_update_ref("updating tag", ref, 0);
641 format_display(display, r ? '!' : 't', _("[tag update]"),
642 r ? _("unable to update local ref") : NULL,
643 remote, pretty_ref, summary_width);
644 return r;
645 }
646 current = lookup_commit_reference_gently(&ref->old_oid, 1);
648 updated = lookup_commit_reference_gently(&ref->new_oid, 1);
649 if (!current || !updated) {
650 const char *msg;
651 const char *what;
652 int r;
653 /*
654 * Nicely describe the new ref we're fetching.
655 * Base this on the remote's ref name, as it's
656 * more likely to follow a standard layout.
657 */
658 const char *name = remote_ref ? remote_ref->name : "";
659 if (starts_with(name, "refs/tags/")) {
660 msg = "storing tag";
661 what = _("[new tag]");
662 } else if (starts_with(name, "refs/heads/")) {
663 msg = "storing head";
664 what = _("[new branch]");
665 } else {
666 msg = "storing ref";
667 what = _("[new ref]");
668 }
669 if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
671 (recurse_submodules != RECURSE_SUBMODULES_ON))
672 check_for_new_submodule_commits(&ref->new_oid);
673 r = s_update_ref(msg, ref, 0);
674 format_display(display, r ? '!' : '*', what,
675 r ? _("unable to update local ref") : NULL,
676 remote, pretty_ref, summary_width);
677 return r;
678 }
679 if (in_merge_bases(current, updated)) {
681 struct strbuf quickref = STRBUF_INIT;
682 int r;
683 strbuf_add_unique_abbrev(&quickref, current->object.oid.hash, DEFAULT_ABBREV);
684 strbuf_addstr(&quickref, "..");
685 strbuf_add_unique_abbrev(&quickref, ref->new_oid.hash, DEFAULT_ABBREV);
686 if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
687 (recurse_submodules != RECURSE_SUBMODULES_ON))
688 check_for_new_submodule_commits(&ref->new_oid);
689 r = s_update_ref("fast-forward", ref, 1);
690 format_display(display, r ? '!' : ' ', quickref.buf,
691 r ? _("unable to update local ref") : NULL,
692 remote, pretty_ref, summary_width);
693 strbuf_release(&quickref);
694 return r;
695 } else if (force || ref->force) {
696 struct strbuf quickref = STRBUF_INIT;
697 int r;
698 strbuf_add_unique_abbrev(&quickref, current->object.oid.hash, DEFAULT_ABBREV);
699 strbuf_addstr(&quickref, "...");
700 strbuf_add_unique_abbrev(&quickref, ref->new_oid.hash, DEFAULT_ABBREV);
701 if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
702 (recurse_submodules != RECURSE_SUBMODULES_ON))
703 check_for_new_submodule_commits(&ref->new_oid);
704 r = s_update_ref("forced-update", ref, 1);
705 format_display(display, r ? '!' : '+', quickref.buf,
706 r ? _("unable to update local ref") : _("forced update"),
707 remote, pretty_ref, summary_width);
708 strbuf_release(&quickref);
709 return r;
710 } else {
711 format_display(display, '!', _("[rejected]"), _("non-fast-forward"),
712 remote, pretty_ref, summary_width);
713 return 1;
714 }
715}
716static int iterate_ref_map(void *cb_data, unsigned char sha1[20])
718{
719 struct ref **rm = cb_data;
720 struct ref *ref = *rm;
721 while (ref && ref->status == REF_STATUS_REJECT_SHALLOW)
723 ref = ref->next;
724 if (!ref)
725 return -1; /* end of the list */
726 *rm = ref->next;
727 hashcpy(sha1, ref->old_oid.hash);
728 return 0;
729}
730static int store_updated_refs(const char *raw_url, const char *remote_name,
732 struct ref *ref_map)
733{
734 FILE *fp;
735 struct commit *commit;
736 int url_len, i, rc = 0;
737 struct strbuf note = STRBUF_INIT;
738 const char *what, *kind;
739 struct ref *rm;
740 char *url;
741 const char *filename = dry_run ? "/dev/null" : git_path_fetch_head();
742 int want_status;
743 int summary_width = transport_summary_width(ref_map);
744 fp = fopen(filename, "a");
746 if (!fp)
747 return error_errno(_("cannot open %s"), filename);
748 if (raw_url)
750 url = transport_anonymize_url(raw_url);
751 else
752 url = xstrdup("foreign");
753 rm = ref_map;
755 if (check_connected(iterate_ref_map, &rm, NULL)) {
756 rc = error(_("%s did not send all necessary objects\n"), url);
757 goto abort;
758 }
759 prepare_format_display(ref_map);
761 /*
763 * We do a pass for each fetch_head_status type in their enum order, so
764 * merged entries are written before not-for-merge. That lets readers
765 * use FETCH_HEAD as a refname to refer to the ref to be merged.
766 */
767 for (want_status = FETCH_HEAD_MERGE;
768 want_status <= FETCH_HEAD_IGNORE;
769 want_status++) {
770 for (rm = ref_map; rm; rm = rm->next) {
771 struct ref *ref = NULL;
772 const char *merge_status_marker = "";
773 if (rm->status == REF_STATUS_REJECT_SHALLOW) {
775 if (want_status == FETCH_HEAD_MERGE)
776 warning(_("reject %s because shallow roots are not allowed to be updated"),
777 rm->peer_ref ? rm->peer_ref->name : rm->name);
778 continue;
779 }
780 commit = lookup_commit_reference_gently(&rm->old_oid,
782 1);
783 if (!commit)
784 rm->fetch_head_status = FETCH_HEAD_NOT_FOR_MERGE;
785 if (rm->fetch_head_status != want_status)
787 continue;
788 if (rm->peer_ref) {
790 ref = alloc_ref(rm->peer_ref->name);
791 oidcpy(&ref->old_oid, &rm->peer_ref->old_oid);
792 oidcpy(&ref->new_oid, &rm->old_oid);
793 ref->force = rm->peer_ref->force;
794 }
795 if (!strcmp(rm->name, "HEAD")) {
798 kind = "";
799 what = "";
800 }
801 else if (starts_with(rm->name, "refs/heads/")) {
802 kind = "branch";
803 what = rm->name + 11;
804 }
805 else if (starts_with(rm->name, "refs/tags/")) {
806 kind = "tag";
807 what = rm->name + 10;
808 }
809 else if (starts_with(rm->name, "refs/remotes/")) {
810 kind = "remote-tracking branch";
811 what = rm->name + 13;
812 }
813 else {
814 kind = "";
815 what = rm->name;
816 }
817 url_len = strlen(url);
819 for (i = url_len - 1; url[i] == '/' && 0 <= i; i--)
820 ;
821 url_len = i + 1;
822 if (4 < i && !strncmp(".git", url + i - 3, 4))
823 url_len = i - 3;
824 strbuf_reset(¬e);
826 if (*what) {
827 if (*kind)
828 strbuf_addf(¬e, "%s ", kind);
829 strbuf_addf(¬e, "'%s' of ", what);
830 }
831 switch (rm->fetch_head_status) {
832 case FETCH_HEAD_NOT_FOR_MERGE:
833 merge_status_marker = "not-for-merge";
834 /* fall-through */
835 case FETCH_HEAD_MERGE:
836 fprintf(fp, "%s\t%s\t%s",
837 oid_to_hex(&rm->old_oid),
838 merge_status_marker,
839 note.buf);
840 for (i = 0; i < url_len; ++i)
841 if ('\n' == url[i])
842 fputs("\\n", fp);
843 else
844 fputc(url[i], fp);
845 fputc('\n', fp);
846 break;
847 default:
848 /* do not write anything to FETCH_HEAD */
849 break;
850 }
851 strbuf_reset(¬e);
853 if (ref) {
854 rc |= update_local_ref(ref, what, rm, ¬e,
855 summary_width);
856 free(ref);
857 } else
858 format_display(¬e, '*',
859 *kind ? kind : "branch", NULL,
860 *what ? what : "HEAD",
861 "FETCH_HEAD", summary_width);
862 if (note.len) {
863 if (verbosity >= 0 && !shown_url) {
864 fprintf(stderr, _("From %.*s\n"),
865 url_len, url);
866 shown_url = 1;
867 }
868 if (verbosity >= 0)
869 fprintf(stderr, " %s\n", note.buf);
870 }
871 }
872 }
873 if (rc & STORE_REF_ERROR_DF_CONFLICT)
875 error(_("some local refs could not be updated; try running\n"
876 " 'git remote prune %s' to remove any old, conflicting "
877 "branches"), remote_name);
878 abort:
880 strbuf_release(¬e);
881 free(url);
882 fclose(fp);
883 return rc;
884}
885/*
887 * We would want to bypass the object transfer altogether if
888 * everything we are going to fetch already exists and is connected
889 * locally.
890 */
891static int quickfetch(struct ref *ref_map)
892{
893 struct ref *rm = ref_map;
894 struct check_connected_options opt = CHECK_CONNECTED_INIT;
895 /*
897 * If we are deepening a shallow clone we already have these
898 * objects reachable. Running rev-list here will return with
899 * a good (0) exit status and we'll bypass the fetch that we
900 * really need to perform. Claiming failure now will ensure
901 * we perform the network exchange to deepen our history.
902 */
903 if (deepen)
904 return -1;
905 opt.quiet = 1;
906 return check_connected(iterate_ref_map, &rm, &opt);
907}
908static int fetch_refs(struct transport *transport, struct ref *ref_map)
910{
911 int ret = quickfetch(ref_map);
912 if (ret)
913 ret = transport_fetch_refs(transport, ref_map);
914 if (!ret)
915 ret |= store_updated_refs(transport->url,
916 transport->remote->name,
917 ref_map);
918 transport_unlock_pack(transport);
919 return ret;
920}
921static int prune_refs(struct refspec *refs, int ref_count, struct ref *ref_map,
923 const char *raw_url)
924{
925 int url_len, i, result = 0;
926 struct ref *ref, *stale_refs = get_stale_heads(refs, ref_count, ref_map);
927 char *url;
928 int summary_width = transport_summary_width(stale_refs);
929 const char *dangling_msg = dry_run
930 ? _(" (%s will become dangling)")
931 : _(" (%s has become dangling)");
932 if (raw_url)
934 url = transport_anonymize_url(raw_url);
935 else
936 url = xstrdup("foreign");
937 url_len = strlen(url);
939 for (i = url_len - 1; url[i] == '/' && 0 <= i; i--)
940 ;
941 url_len = i + 1;
943 if (4 < i && !strncmp(".git", url + i - 3, 4))
944 url_len = i - 3;
945 if (!dry_run) {
947 struct string_list refnames = STRING_LIST_INIT_NODUP;
948 for (ref = stale_refs; ref; ref = ref->next)
950 string_list_append(&refnames, ref->name);
951 result = delete_refs("fetch: prune", &refnames, 0);
953 string_list_clear(&refnames, 0);
954 }
955 if (verbosity >= 0) {
957 for (ref = stale_refs; ref; ref = ref->next) {
958 struct strbuf sb = STRBUF_INIT;
959 if (!shown_url) {
960 fprintf(stderr, _("From %.*s\n"), url_len, url);
961 shown_url = 1;
962 }
963 format_display(&sb, '-', _("[deleted]"), NULL,
964 _("(none)"), prettify_refname(ref->name),
965 summary_width);
966 fprintf(stderr, " %s\n",sb.buf);
967 strbuf_release(&sb);
968 warn_dangling_symref(stderr, dangling_msg, ref->name);
969 }
970 }
971 free(url);
973 free_refs(stale_refs);
974 return result;
975}
976static void check_not_current_branch(struct ref *ref_map)
978{
979 struct branch *current_branch = branch_get(NULL);
980 if (is_bare_repository() || !current_branch)
982 return;
983 for (; ref_map; ref_map = ref_map->next)
985 if (ref_map->peer_ref && !strcmp(current_branch->refname,
986 ref_map->peer_ref->name))
987 die(_("Refusing to fetch into current branch %s "
988 "of non-bare repository"), current_branch->refname);
989}
990static int truncate_fetch_head(void)
992{
993 const char *filename = git_path_fetch_head();
994 FILE *fp = fopen_for_writing(filename);
995 if (!fp)
997 return error_errno(_("cannot open %s"), filename);
998 fclose(fp);
999 return 0;
1000}
1001static void set_option(struct transport *transport, const char *name, const char *value)
1003{
1004 int r = transport_set_option(transport, name, value);
1005 if (r < 0)
1006 die(_("Option \"%s\" value \"%s\" is not valid for %s"),
1007 name, value, transport->url);
1008 if (r > 0)
1009 warning(_("Option \"%s\" is ignored for %s\n"),
1010 name, transport->url);
1011}
1012static struct transport *prepare_transport(struct remote *remote, int deepen)
1014{
1015 struct transport *transport;
1016 transport = transport_get(remote, NULL);
1017 transport_set_verbosity(transport, verbosity, progress);
1018 transport->family = family;
1019 if (upload_pack)
1020 set_option(transport, TRANS_OPT_UPLOADPACK, upload_pack);
1021 if (keep)
1022 set_option(transport, TRANS_OPT_KEEP, "yes");
1023 if (depth)
1024 set_option(transport, TRANS_OPT_DEPTH, depth);
1025 if (deepen && deepen_since)
1026 set_option(transport, TRANS_OPT_DEEPEN_SINCE, deepen_since);
1027 if (deepen && deepen_not.nr)
1028 set_option(transport, TRANS_OPT_DEEPEN_NOT,
1029 (const char *)&deepen_not);
1030 if (deepen_relative)
1031 set_option(transport, TRANS_OPT_DEEPEN_RELATIVE, "yes");
1032 if (update_shallow)
1033 set_option(transport, TRANS_OPT_UPDATE_SHALLOW, "yes");
1034 return transport;
1035}
1036static void backfill_tags(struct transport *transport, struct ref *ref_map)
1038{
1039 int cannot_reuse;
1040 /*
1042 * Once we have set TRANS_OPT_DEEPEN_SINCE, we can't unset it
1043 * when remote helper is used (setting it to an empty string
1044 * is not unsetting). We could extend the remote helper
1045 * protocol for that, but for now, just force a new connection
1046 * without deepen-since. Similar story for deepen-not.
1047 */
1048 cannot_reuse = transport->cannot_reuse ||
1049 deepen_since || deepen_not.nr;
1050 if (cannot_reuse) {
1051 gsecondary = prepare_transport(transport->remote, 0);
1052 transport = gsecondary;
1053 }
1054 transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, NULL);
1056 transport_set_option(transport, TRANS_OPT_DEPTH, "0");
1057 transport_set_option(transport, TRANS_OPT_DEEPEN_RELATIVE, NULL);
1058 fetch_refs(transport, ref_map);
1059 if (gsecondary) {
1061 transport_disconnect(gsecondary);
1062 gsecondary = NULL;
1063 }
1064}
1065static int do_fetch(struct transport *transport,
1067 struct refspec *refs, int ref_count)
1068{
1069 struct string_list existing_refs = STRING_LIST_INIT_DUP;
1070 struct ref *ref_map;
1071 struct ref *rm;
1072 int autotags = (transport->remote->fetch_tags == 1);
1073 int retcode = 0;
1074 for_each_ref(add_existing, &existing_refs);
1076 if (tags == TAGS_DEFAULT) {
1078 if (transport->remote->fetch_tags == 2)
1079 tags = TAGS_SET;
1080 if (transport->remote->fetch_tags == -1)
1081 tags = TAGS_UNSET;
1082 }
1083 if (!transport->get_refs_list || !transport->fetch)
1085 die(_("Don't know how to fetch from %s"), transport->url);
1086 /* if not appending, truncate FETCH_HEAD */
1088 if (!append && !dry_run) {
1089 retcode = truncate_fetch_head();
1090 if (retcode)
1091 goto cleanup;
1092 }
1093 ref_map = get_ref_map(transport, refs, ref_count, tags, &autotags);
1095 if (!update_head_ok)
1096 check_not_current_branch(ref_map);
1097 for (rm = ref_map; rm; rm = rm->next) {
1099 if (rm->peer_ref) {
1100 struct string_list_item *peer_item =
1101 string_list_lookup(&existing_refs,
1102 rm->peer_ref->name);
1103 if (peer_item) {
1104 struct object_id *old_oid = peer_item->util;
1105 oidcpy(&rm->peer_ref->old_oid, old_oid);
1106 }
1107 }
1108 }
1109 if (tags == TAGS_DEFAULT && autotags)
1111 transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1");
1112 if (prune) {
1113 /*
1114 * We only prune based on refspecs specified
1115 * explicitly (via command line or configuration); we
1116 * don't care whether --tags was specified.
1117 */
1118 if (ref_count) {
1119 prune_refs(refs, ref_count, ref_map, transport->url);
1120 } else {
1121 prune_refs(transport->remote->fetch,
1122 transport->remote->fetch_refspec_nr,
1123 ref_map,
1124 transport->url);
1125 }
1126 }
1127 if (fetch_refs(transport, ref_map)) {
1128 free_refs(ref_map);
1129 retcode = 1;
1130 goto cleanup;
1131 }
1132 free_refs(ref_map);
1133 /* if neither --no-tags nor --tags was specified, do automated tag
1135 * following ... */
1136 if (tags == TAGS_DEFAULT && autotags) {
1137 struct ref **tail = &ref_map;
1138 ref_map = NULL;
1139 find_non_local_tags(transport, &ref_map, &tail);
1140 if (ref_map)
1141 backfill_tags(transport, ref_map);
1142 free_refs(ref_map);
1143 }
1144 cleanup:
1146 string_list_clear(&existing_refs, 1);
1147 return retcode;
1148}
1149static int get_one_remote_for_fetch(struct remote *remote, void *priv)
1151{
1152 struct string_list *list = priv;
1153 if (!remote->skip_default_update)
1154 string_list_append(list, remote->name);
1155 return 0;
1156}
1157struct remote_group_data {
1159 const char *name;
1160 struct string_list *list;
1161};
1162static int get_remote_group(const char *key, const char *value, void *priv)
1164{
1165 struct remote_group_data *g = priv;
1166 if (skip_prefix(key, "remotes.", &key) && !strcmp(key, g->name)) {
1168 /* split list by white space */
1169 while (*value) {
1170 size_t wordlen = strcspn(value, " \t\n");
1171 if (wordlen >= 1)
1173 string_list_append_nodup(g->list,
1174 xstrndup(value, wordlen));
1175 value += wordlen + (value[wordlen] != '\0');
1176 }
1177 }
1178 return 0;
1180}
1181static int add_remote_or_group(const char *name, struct string_list *list)
1183{
1184 int prev_nr = list->nr;
1185 struct remote_group_data g;
1186 g.name = name; g.list = list;
1187 git_config(get_remote_group, &g);
1189 if (list->nr == prev_nr) {
1190 struct remote *remote = remote_get(name);
1191 if (!remote_is_configured(remote, 0))
1192 return 0;
1193 string_list_append(list, remote->name);
1194 }
1195 return 1;
1196}
1197static void add_options_to_argv(struct argv_array *argv)
1199{
1200 if (dry_run)
1201 argv_array_push(argv, "--dry-run");
1202 if (prune != -1)
1203 argv_array_push(argv, prune ? "--prune" : "--no-prune");
1204 if (update_head_ok)
1205 argv_array_push(argv, "--update-head-ok");
1206 if (force)
1207 argv_array_push(argv, "--force");
1208 if (keep)
1209 argv_array_push(argv, "--keep");
1210 if (recurse_submodules == RECURSE_SUBMODULES_ON)
1211 argv_array_push(argv, "--recurse-submodules");
1212 else if (recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND)
1213 argv_array_push(argv, "--recurse-submodules=on-demand");
1214 if (tags == TAGS_SET)
1215 argv_array_push(argv, "--tags");
1216 else if (tags == TAGS_UNSET)
1217 argv_array_push(argv, "--no-tags");
1218 if (verbosity >= 2)
1219 argv_array_push(argv, "-v");
1220 if (verbosity >= 1)
1221 argv_array_push(argv, "-v");
1222 else if (verbosity < 0)
1223 argv_array_push(argv, "-q");
1224}
1226static int fetch_multiple(struct string_list *list)
1228{
1229 int i, result = 0;
1230 struct argv_array argv = ARGV_ARRAY_INIT;
1231 if (!append && !dry_run) {
1233 int errcode = truncate_fetch_head();
1234 if (errcode)
1235 return errcode;
1236 }
1237 argv_array_pushl(&argv, "fetch", "--append", NULL);
1239 add_options_to_argv(&argv);
1240 for (i = 0; i < list->nr; i++) {
1242 const char *name = list->items[i].string;
1243 argv_array_push(&argv, name);
1244 if (verbosity >= 0)
1245 printf(_("Fetching %s\n"), name);
1246 if (run_command_v_opt(argv.argv, RUN_GIT_CMD)) {
1247 error(_("Could not fetch %s"), name);
1248 result = 1;
1249 }
1250 argv_array_pop(&argv);
1251 }
1252 argv_array_clear(&argv);
1254 return result;
1255}
1256static int fetch_one(struct remote *remote, int argc, const char **argv)
1258{
1259 static const char **refs = NULL;
1260 struct refspec *refspec;
1261 int ref_nr = 0;
1262 int exit_code;
1263 if (!remote)
1265 die(_("No remote repository specified. Please, specify either a URL or a\n"
1266 "remote name from which new revisions should be fetched."));
1267 gtransport = prepare_transport(remote, 1);
1269 if (prune < 0) {
1271 /* no command line request */
1272 if (0 <= gtransport->remote->prune)
1273 prune = gtransport->remote->prune;
1274 else if (0 <= fetch_prune_config)
1275 prune = fetch_prune_config;
1276 else
1277 prune = PRUNE_BY_DEFAULT;
1278 }
1279 if (argc > 0) {
1281 int j = 0;
1282 int i;
1283 refs = xcalloc(st_add(argc, 1), sizeof(const char *));
1284 for (i = 0; i < argc; i++) {
1285 if (!strcmp(argv[i], "tag")) {
1286 i++;
1287 if (i >= argc)
1288 die(_("You need to specify a tag name."));
1289 refs[j++] = xstrfmt("refs/tags/%s:refs/tags/%s",
1290 argv[i], argv[i]);
1291 } else
1292 refs[j++] = argv[i];
1293 }
1294 refs[j] = NULL;
1295 ref_nr = j;
1296 }
1297 sigchain_push_common(unlock_pack_on_signal);
1299 atexit(unlock_pack);
1300 refspec = parse_fetch_refspec(ref_nr, refs);
1301 exit_code = do_fetch(gtransport, refspec, ref_nr);
1302 free_refspec(ref_nr, refspec);
1303 transport_disconnect(gtransport);
1304 gtransport = NULL;
1305 return exit_code;
1306}
1307int cmd_fetch(int argc, const char **argv, const char *prefix)
1309{
1310 int i;
1311 struct string_list list = STRING_LIST_INIT_DUP;
1312 struct remote *remote;
1313 int result = 0;
1314 struct argv_array argv_gc_auto = ARGV_ARRAY_INIT;
1315 packet_trace_identity("fetch");
1317 /* Record the command line for the reflog */
1319 strbuf_addstr(&default_rla, "fetch");
1320 for (i = 1; i < argc; i++)
1321 strbuf_addf(&default_rla, " %s", argv[i]);
1322 git_config(git_fetch_config, NULL);
1324 argc = parse_options(argc, argv, prefix,
1326 builtin_fetch_options, builtin_fetch_usage, 0);
1327 if (deepen_relative) {
1329 if (deepen_relative < 0)
1330 die(_("Negative depth in --deepen is not supported"));
1331 if (depth)
1332 die(_("--deepen and --depth are mutually exclusive"));
1333 depth = xstrfmt("%d", deepen_relative);
1334 }
1335 if (unshallow) {
1336 if (depth)
1337 die(_("--depth and --unshallow cannot be used together"));
1338 else if (!is_repository_shallow())
1339 die(_("--unshallow on a complete repository does not make sense"));
1340 else
1341 depth = xstrfmt("%d", INFINITE_DEPTH);
1342 }
1343 /* no need to be strict, transport_set_option() will validate it again */
1345 if (depth && atoi(depth) < 1)
1346 die(_("depth %s is not a positive number"), depth);
1347 if (depth || deepen_since || deepen_not.nr)
1348 deepen = 1;
1349 if (recurse_submodules != RECURSE_SUBMODULES_OFF) {
1351 if (recurse_submodules_default) {
1352 int arg = parse_fetch_recurse_submodules_arg("--recurse-submodules-default", recurse_submodules_default);
1353 set_config_fetch_recurse_submodules(arg);
1354 }
1355 gitmodules_config();
1356 git_config(submodule_config, NULL);
1357 }
1358 if (all) {
1360 if (argc == 1)
1361 die(_("fetch --all does not take a repository argument"));
1362 else if (argc > 1)
1363 die(_("fetch --all does not make sense with refspecs"));
1364 (void) for_each_remote(get_one_remote_for_fetch, &list);
1365 result = fetch_multiple(&list);
1366 } else if (argc == 0) {
1367 /* No arguments -- use default remote */
1368 remote = remote_get(NULL);
1369 result = fetch_one(remote, argc, argv);
1370 } else if (multiple) {
1371 /* All arguments are assumed to be remotes or groups */
1372 for (i = 0; i < argc; i++)
1373 if (!add_remote_or_group(argv[i], &list))
1374 die(_("No such remote or remote group: %s"), argv[i]);
1375 result = fetch_multiple(&list);
1376 } else {
1377 /* Single remote or group */
1378 (void) add_remote_or_group(argv[0], &list);
1379 if (list.nr > 1) {
1380 /* More than one remote */
1381 if (argc > 1)
1382 die(_("Fetching a group and specifying refspecs does not make sense"));
1383 result = fetch_multiple(&list);
1384 } else {
1385 /* Zero or one remotes */
1386 remote = remote_get(argv[0]);
1387 result = fetch_one(remote, argc-1, argv+1);
1388 }
1389 }
1390 if (!result && (recurse_submodules != RECURSE_SUBMODULES_OFF)) {
1392 struct argv_array options = ARGV_ARRAY_INIT;
1393 add_options_to_argv(&options);
1395 result = fetch_populated_submodules(&options,
1396 submodule_prefix,
1397 recurse_submodules,
1398 verbosity < 0,
1399 max_children);
1400 argv_array_clear(&options);
1401 }
1402 string_list_clear(&list, 0);
1404 close_all_packs();
1406 argv_array_pushl(&argv_gc_auto, "gc", "--auto", NULL);
1408 if (verbosity < 0)
1409 argv_array_push(&argv_gc_auto, "--quiet");
1410 run_command_v_opt(argv_gc_auto.argv, RUN_GIT_CMD);
1411 argv_array_clear(&argv_gc_auto);
1412 return result;
1414}