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"
17 static const char * const builtin_fetch_usage
[] = {
18 "git fetch [<options>] [<repository> [<refspec>...]]",
19 "git fetch [<options>] <group>",
20 "git fetch --multiple [<options>] [<repository> | <group>]...",
21 "git fetch --all [<options>]",
32 RECURSE_SUBMODULES_OFF
= 0,
33 RECURSE_SUBMODULES_DEFAULT
= 1,
34 RECURSE_SUBMODULES_ON
= 2
37 static int all
, append
, dry_run
, force
, keep
, multiple
, prune
, update_head_ok
, verbosity
;
38 static int progress
, recurse_submodules
= RECURSE_SUBMODULES_DEFAULT
;
39 static int tags
= TAGS_DEFAULT
;
40 static const char *depth
;
41 static const char *upload_pack
;
42 static struct strbuf default_rla
= STRBUF_INIT
;
43 static struct transport
*transport
;
44 static const char *submodule_prefix
= "";
46 static struct option builtin_fetch_options
[] = {
47 OPT__VERBOSITY(&verbosity
),
48 OPT_BOOLEAN(0, "all", &all
,
49 "fetch from all remotes"),
50 OPT_BOOLEAN('a', "append", &append
,
51 "append to .git/FETCH_HEAD instead of overwriting"),
52 OPT_STRING(0, "upload-pack", &upload_pack
, "PATH",
53 "path to upload pack on remote end"),
54 OPT_BOOLEAN('f', "force", &force
,
55 "force overwrite of local branch"),
56 OPT_BOOLEAN('m', "multiple", &multiple
,
57 "fetch from multiple remotes"),
58 OPT_SET_INT('t', "tags", &tags
,
59 "fetch all tags and associated objects", TAGS_SET
),
60 OPT_SET_INT('n', NULL
, &tags
,
61 "do not fetch all tags (--no-tags)", TAGS_UNSET
),
62 OPT_BOOLEAN('p', "prune", &prune
,
63 "prune tracking branches no longer on remote"),
64 OPT_SET_INT(0, "recurse-submodules", &recurse_submodules
,
65 "control recursive fetching of submodules",
66 RECURSE_SUBMODULES_ON
),
67 OPT_BOOLEAN(0, "dry-run", &dry_run
,
69 OPT_BOOLEAN('k', "keep", &keep
, "keep downloaded pack"),
70 OPT_BOOLEAN('u', "update-head-ok", &update_head_ok
,
71 "allow updating of HEAD ref"),
72 OPT_BOOLEAN(0, "progress", &progress
, "force progress reporting"),
73 OPT_STRING(0, "depth", &depth
, "DEPTH",
74 "deepen history of shallow clone"),
75 { OPTION_STRING
, 0, "submodule-prefix", &submodule_prefix
, "DIR",
76 "prepend this to submodule path output", PARSE_OPT_HIDDEN
},
80 static void unlock_pack(void)
83 transport_unlock_pack(transport
);
86 static void unlock_pack_on_signal(int signo
)
93 static void add_merge_config(struct ref
**head
,
94 const struct ref
*remote_refs
,
95 struct branch
*branch
,
100 for (i
= 0; i
< branch
->merge_nr
; i
++) {
101 struct ref
*rm
, **old_tail
= *tail
;
102 struct refspec refspec
;
104 for (rm
= *head
; rm
; rm
= rm
->next
) {
105 if (branch_merge_matches(branch
, i
, rm
->name
)) {
114 * Not fetched to a tracking branch? We need to fetch
115 * it anyway to allow this branch's "branch.$name.merge"
116 * to be honored by 'git pull', but we do not have to
117 * fail if branch.$name.merge is misconfigured to point
118 * at a nonexisting branch. If we were indeed called by
119 * 'git pull', it will notice the misconfiguration because
120 * there is no entry in the resulting FETCH_HEAD marked
123 memset(&refspec
, 0, sizeof(refspec
));
124 refspec
.src
= branch
->merge
[i
]->src
;
125 get_fetch_map(remote_refs
, &refspec
, tail
, 1);
126 for (rm
= *old_tail
; rm
; rm
= rm
->next
)
131 static void find_non_local_tags(struct transport
*transport
,
135 static struct ref
*get_ref_map(struct transport
*transport
,
136 struct refspec
*refs
, int ref_count
, int tags
,
141 struct ref
*ref_map
= NULL
;
142 struct ref
**tail
= &ref_map
;
144 const struct ref
*remote_refs
= transport_get_remote_refs(transport
);
146 if (ref_count
|| tags
== TAGS_SET
) {
147 for (i
= 0; i
< ref_count
; i
++) {
148 get_fetch_map(remote_refs
, &refs
[i
], &tail
, 0);
149 if (refs
[i
].dst
&& refs
[i
].dst
[0])
152 /* Merge everything on the command line, but not --tags */
153 for (rm
= ref_map
; rm
; rm
= rm
->next
)
155 if (tags
== TAGS_SET
)
156 get_fetch_map(remote_refs
, tag_refspec
, &tail
, 0);
158 /* Use the defaults */
159 struct remote
*remote
= transport
->remote
;
160 struct branch
*branch
= branch_get(NULL
);
161 int has_merge
= branch_has_merge_config(branch
);
162 if (remote
&& (remote
->fetch_refspec_nr
|| has_merge
)) {
163 for (i
= 0; i
< remote
->fetch_refspec_nr
; i
++) {
164 get_fetch_map(remote_refs
, &remote
->fetch
[i
], &tail
, 0);
165 if (remote
->fetch
[i
].dst
&&
166 remote
->fetch
[i
].dst
[0])
168 if (!i
&& !has_merge
&& ref_map
&&
169 !remote
->fetch
[0].pattern
)
173 * if the remote we're fetching from is the same
174 * as given in branch.<name>.remote, we add the
175 * ref given in branch.<name>.merge, too.
178 !strcmp(branch
->remote_name
, remote
->name
))
179 add_merge_config(&ref_map
, remote_refs
, branch
, &tail
);
181 ref_map
= get_remote_ref(remote_refs
, "HEAD");
183 die("Couldn't find remote ref HEAD");
185 tail
= &ref_map
->next
;
188 if (tags
== TAGS_DEFAULT
&& *autotags
)
189 find_non_local_tags(transport
, &ref_map
, &tail
);
190 ref_remove_duplicates(ref_map
);
195 #define STORE_REF_ERROR_OTHER 1
196 #define STORE_REF_ERROR_DF_CONFLICT 2
198 static int s_update_ref(const char *action
,
203 char *rla
= getenv("GIT_REFLOG_ACTION");
204 static struct ref_lock
*lock
;
209 rla
= default_rla
.buf
;
210 snprintf(msg
, sizeof(msg
), "%s: %s", rla
, action
);
211 lock
= lock_any_ref_for_update(ref
->name
,
212 check_old
? ref
->old_sha1
: NULL
, 0);
214 return errno
== ENOTDIR
? STORE_REF_ERROR_DF_CONFLICT
:
215 STORE_REF_ERROR_OTHER
;
216 if (write_ref_sha1(lock
, ref
->new_sha1
, msg
) < 0)
217 return errno
== ENOTDIR
? STORE_REF_ERROR_DF_CONFLICT
:
218 STORE_REF_ERROR_OTHER
;
222 #define REFCOL_WIDTH 10
224 static int update_local_ref(struct ref
*ref
,
228 struct commit
*current
= NULL
, *updated
;
229 enum object_type type
;
230 struct branch
*current_branch
= branch_get(NULL
);
231 const char *pretty_ref
= prettify_refname(ref
->name
);
234 type
= sha1_object_info(ref
->new_sha1
, NULL
);
236 die("object %s not found", sha1_to_hex(ref
->new_sha1
));
238 if (!hashcmp(ref
->old_sha1
, ref
->new_sha1
)) {
240 sprintf(display
, "= %-*s %-*s -> %s", TRANSPORT_SUMMARY_WIDTH
,
241 "[up to date]", REFCOL_WIDTH
, remote
,
246 if (current_branch
&&
247 !strcmp(ref
->name
, current_branch
->name
) &&
248 !(update_head_ok
|| is_bare_repository()) &&
249 !is_null_sha1(ref
->old_sha1
)) {
251 * If this is the head, and it's not okay to update
252 * the head, and the old value of the head isn't empty...
254 sprintf(display
, "! %-*s %-*s -> %s (can't fetch in current branch)",
255 TRANSPORT_SUMMARY_WIDTH
, "[rejected]", REFCOL_WIDTH
, remote
,
260 if (!is_null_sha1(ref
->old_sha1
) &&
261 !prefixcmp(ref
->name
, "refs/tags/")) {
263 r
= s_update_ref("updating tag", ref
, 0);
264 sprintf(display
, "%c %-*s %-*s -> %s%s", r
? '!' : '-',
265 TRANSPORT_SUMMARY_WIDTH
, "[tag update]", REFCOL_WIDTH
, remote
,
266 pretty_ref
, r
? " (unable to update local ref)" : "");
270 current
= lookup_commit_reference_gently(ref
->old_sha1
, 1);
271 updated
= lookup_commit_reference_gently(ref
->new_sha1
, 1);
272 if (!current
|| !updated
) {
276 if (!strncmp(ref
->name
, "refs/tags/", 10)) {
281 msg
= "storing head";
282 what
= "[new branch]";
285 r
= s_update_ref(msg
, ref
, 0);
286 sprintf(display
, "%c %-*s %-*s -> %s%s", r
? '!' : '*',
287 TRANSPORT_SUMMARY_WIDTH
, what
, REFCOL_WIDTH
, remote
, pretty_ref
,
288 r
? " (unable to update local ref)" : "");
292 if (in_merge_bases(current
, &updated
, 1)) {
295 strcpy(quickref
, find_unique_abbrev(current
->object
.sha1
, DEFAULT_ABBREV
));
296 strcat(quickref
, "..");
297 strcat(quickref
, find_unique_abbrev(ref
->new_sha1
, DEFAULT_ABBREV
));
298 r
= s_update_ref("fast-forward", ref
, 1);
299 sprintf(display
, "%c %-*s %-*s -> %s%s", r
? '!' : ' ',
300 TRANSPORT_SUMMARY_WIDTH
, quickref
, REFCOL_WIDTH
, remote
,
301 pretty_ref
, r
? " (unable to update local ref)" : "");
303 } else if (force
|| ref
->force
) {
306 strcpy(quickref
, find_unique_abbrev(current
->object
.sha1
, DEFAULT_ABBREV
));
307 strcat(quickref
, "...");
308 strcat(quickref
, find_unique_abbrev(ref
->new_sha1
, DEFAULT_ABBREV
));
309 r
= s_update_ref("forced-update", ref
, 1);
310 sprintf(display
, "%c %-*s %-*s -> %s (%s)", r
? '!' : '+',
311 TRANSPORT_SUMMARY_WIDTH
, quickref
, REFCOL_WIDTH
, remote
,
313 r
? "unable to update local ref" : "forced update");
316 sprintf(display
, "! %-*s %-*s -> %s (non-fast-forward)",
317 TRANSPORT_SUMMARY_WIDTH
, "[rejected]", REFCOL_WIDTH
, remote
,
323 static int store_updated_refs(const char *raw_url
, const char *remote_name
,
327 struct commit
*commit
;
328 int url_len
, i
, note_len
, shown_url
= 0, rc
= 0;
330 const char *what
, *kind
;
332 char *url
, *filename
= dry_run
? "/dev/null" : git_path("FETCH_HEAD");
334 fp
= fopen(filename
, "a");
336 return error("cannot open %s: %s\n", filename
, strerror(errno
));
339 url
= transport_anonymize_url(raw_url
);
341 url
= xstrdup("foreign");
342 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
343 struct ref
*ref
= NULL
;
346 ref
= xcalloc(1, sizeof(*ref
) + strlen(rm
->peer_ref
->name
) + 1);
347 strcpy(ref
->name
, rm
->peer_ref
->name
);
348 hashcpy(ref
->old_sha1
, rm
->peer_ref
->old_sha1
);
349 hashcpy(ref
->new_sha1
, rm
->old_sha1
);
350 ref
->force
= rm
->peer_ref
->force
;
353 commit
= lookup_commit_reference_gently(rm
->old_sha1
, 1);
357 if (!strcmp(rm
->name
, "HEAD")) {
361 else if (!prefixcmp(rm
->name
, "refs/heads/")) {
363 what
= rm
->name
+ 11;
365 else if (!prefixcmp(rm
->name
, "refs/tags/")) {
367 what
= rm
->name
+ 10;
369 else if (!prefixcmp(rm
->name
, "refs/remotes/")) {
370 kind
= "remote branch";
371 what
= rm
->name
+ 13;
378 url_len
= strlen(url
);
379 for (i
= url_len
- 1; url
[i
] == '/' && 0 <= i
; i
--)
382 if (4 < i
&& !strncmp(".git", url
+ i
- 3, 4))
388 note_len
+= sprintf(note
+ note_len
, "%s ",
390 note_len
+= sprintf(note
+ note_len
, "'%s' of ", what
);
392 note
[note_len
] = '\0';
393 fprintf(fp
, "%s\t%s\t%s",
394 sha1_to_hex(commit
? commit
->object
.sha1
:
396 rm
->merge
? "" : "not-for-merge",
398 for (i
= 0; i
< url_len
; ++i
)
406 rc
|= update_local_ref(ref
, what
, note
);
409 sprintf(note
, "* %-*s %-*s -> FETCH_HEAD",
410 TRANSPORT_SUMMARY_WIDTH
, *kind
? kind
: "branch",
411 REFCOL_WIDTH
, *what
? what
: "HEAD");
413 if (verbosity
>= 0 && !shown_url
) {
414 fprintf(stderr
, "From %.*s\n",
419 fprintf(stderr
, " %s\n", note
);
424 if (rc
& STORE_REF_ERROR_DF_CONFLICT
)
425 error("some local refs could not be updated; try running\n"
426 " 'git remote prune %s' to remove any old, conflicting "
427 "branches", remote_name
);
432 * We would want to bypass the object transfer altogether if
433 * everything we are going to fetch already exists and is connected
436 * The refs we are going to fetch are in ref_map. If running
438 * $ git rev-list --objects --stdin --not --all
440 * (feeding all the refs in ref_map on its standard input)
441 * does not error out, that means everything reachable from the
442 * refs we are going to fetch exists and is connected to some of
445 static int quickfetch(struct ref
*ref_map
)
447 struct child_process revlist
;
450 const char *argv
[] = {"rev-list",
451 "--quiet", "--objects", "--stdin", "--not", "--all", NULL
};
454 * If we are deepening a shallow clone we already have these
455 * objects reachable. Running rev-list here will return with
456 * a good (0) exit status and we'll bypass the fetch that we
457 * really need to perform. Claiming failure now will ensure
458 * we perform the network exchange to deepen our history.
466 memset(&revlist
, 0, sizeof(revlist
));
469 revlist
.no_stdout
= 1;
470 revlist
.no_stderr
= 1;
473 err
= start_command(&revlist
);
475 error("could not run rev-list");
480 * If rev-list --stdin encounters an unknown commit, it terminates,
481 * which will cause SIGPIPE in the write loop below.
483 sigchain_push(SIGPIPE
, SIG_IGN
);
485 for (ref
= ref_map
; ref
; ref
= ref
->next
) {
486 if (write_in_full(revlist
.in
, sha1_to_hex(ref
->old_sha1
), 40) < 0 ||
487 write_str_in_full(revlist
.in
, "\n") < 0) {
488 if (errno
!= EPIPE
&& errno
!= EINVAL
)
489 error("failed write to rev-list: %s", strerror(errno
));
495 if (close(revlist
.in
)) {
496 error("failed to close rev-list's stdin: %s", strerror(errno
));
500 sigchain_pop(SIGPIPE
);
502 return finish_command(&revlist
) || err
;
505 static int fetch_refs(struct transport
*transport
, struct ref
*ref_map
)
507 int ret
= quickfetch(ref_map
);
509 ret
= transport_fetch_refs(transport
, ref_map
);
511 ret
|= store_updated_refs(transport
->url
,
512 transport
->remote
->name
,
514 transport_unlock_pack(transport
);
518 static int prune_refs(struct transport
*transport
, struct ref
*ref_map
)
521 struct ref
*ref
, *stale_refs
= get_stale_heads(transport
->remote
, ref_map
);
522 const char *dangling_msg
= dry_run
523 ? " (%s will become dangling)\n"
524 : " (%s has become dangling)\n";
526 for (ref
= stale_refs
; ref
; ref
= ref
->next
) {
528 result
|= delete_ref(ref
->name
, NULL
, 0);
529 if (verbosity
>= 0) {
530 fprintf(stderr
, " x %-*s %-*s -> %s\n",
531 TRANSPORT_SUMMARY_WIDTH
, "[deleted]",
532 REFCOL_WIDTH
, "(none)", prettify_refname(ref
->name
));
533 warn_dangling_symref(stderr
, dangling_msg
, ref
->name
);
536 free_refs(stale_refs
);
540 static int add_existing(const char *refname
, const unsigned char *sha1
,
541 int flag
, void *cbdata
)
543 struct string_list
*list
= (struct string_list
*)cbdata
;
544 struct string_list_item
*item
= string_list_insert(list
, refname
);
545 item
->util
= (void *)sha1
;
549 static int will_fetch(struct ref
**head
, const unsigned char *sha1
)
551 struct ref
*rm
= *head
;
553 if (!hashcmp(rm
->old_sha1
, sha1
))
560 static void find_non_local_tags(struct transport
*transport
,
564 struct string_list existing_refs
= STRING_LIST_INIT_NODUP
;
565 struct string_list remote_refs
= STRING_LIST_INIT_NODUP
;
566 const struct ref
*ref
;
567 struct string_list_item
*item
= NULL
;
569 for_each_ref(add_existing
, &existing_refs
);
570 for (ref
= transport_get_remote_refs(transport
); ref
; ref
= ref
->next
) {
571 if (prefixcmp(ref
->name
, "refs/tags"))
575 * The peeled ref always follows the matching base
576 * ref, so if we see a peeled ref that we don't want
577 * to fetch then we can mark the ref entry in the list
578 * as one to ignore by setting util to NULL.
580 if (!suffixcmp(ref
->name
, "^{}")) {
581 if (item
&& !has_sha1_file(ref
->old_sha1
) &&
582 !will_fetch(head
, ref
->old_sha1
) &&
583 !has_sha1_file(item
->util
) &&
584 !will_fetch(head
, item
->util
))
591 * If item is non-NULL here, then we previously saw a
592 * ref not followed by a peeled reference, so we need
593 * to check if it is a lightweight tag that we want to
596 if (item
&& !has_sha1_file(item
->util
) &&
597 !will_fetch(head
, item
->util
))
602 /* skip duplicates and refs that we already have */
603 if (string_list_has_string(&remote_refs
, ref
->name
) ||
604 string_list_has_string(&existing_refs
, ref
->name
))
607 item
= string_list_insert(&remote_refs
, ref
->name
);
608 item
->util
= (void *)ref
->old_sha1
;
610 string_list_clear(&existing_refs
, 0);
613 * We may have a final lightweight tag that needs to be
614 * checked to see if it needs fetching.
616 if (item
&& !has_sha1_file(item
->util
) &&
617 !will_fetch(head
, item
->util
))
621 * For all the tags in the remote_refs string list,
622 * add them to the list of refs to be fetched
624 for_each_string_list_item(item
, &remote_refs
) {
625 /* Unless we have already decided to ignore this item... */
628 struct ref
*rm
= alloc_ref(item
->string
);
629 rm
->peer_ref
= alloc_ref(item
->string
);
630 hashcpy(rm
->old_sha1
, item
->util
);
636 string_list_clear(&remote_refs
, 0);
639 static void check_not_current_branch(struct ref
*ref_map
)
641 struct branch
*current_branch
= branch_get(NULL
);
643 if (is_bare_repository() || !current_branch
)
646 for (; ref_map
; ref_map
= ref_map
->next
)
647 if (ref_map
->peer_ref
&& !strcmp(current_branch
->refname
,
648 ref_map
->peer_ref
->name
))
649 die("Refusing to fetch into current branch %s "
650 "of non-bare repository", current_branch
->refname
);
653 static int truncate_fetch_head(void)
655 char *filename
= git_path("FETCH_HEAD");
656 FILE *fp
= fopen(filename
, "w");
659 return error("cannot open %s: %s\n", filename
, strerror(errno
));
664 static int do_fetch(struct transport
*transport
,
665 struct refspec
*refs
, int ref_count
)
667 struct string_list existing_refs
= STRING_LIST_INIT_NODUP
;
668 struct string_list_item
*peer_item
= NULL
;
671 int autotags
= (transport
->remote
->fetch_tags
== 1);
673 for_each_ref(add_existing
, &existing_refs
);
675 if (transport
->remote
->fetch_tags
== 2 && tags
!= TAGS_UNSET
)
677 if (transport
->remote
->fetch_tags
== -1)
680 if (!transport
->get_refs_list
|| !transport
->fetch
)
681 die("Don't know how to fetch from %s", transport
->url
);
683 /* if not appending, truncate FETCH_HEAD */
684 if (!append
&& !dry_run
) {
685 int errcode
= truncate_fetch_head();
690 ref_map
= get_ref_map(transport
, refs
, ref_count
, tags
, &autotags
);
692 check_not_current_branch(ref_map
);
694 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
696 peer_item
= string_list_lookup(&existing_refs
,
699 hashcpy(rm
->peer_ref
->old_sha1
,
704 if (tags
== TAGS_DEFAULT
&& autotags
)
705 transport_set_option(transport
, TRANS_OPT_FOLLOWTAGS
, "1");
706 if (fetch_refs(transport
, ref_map
)) {
711 prune_refs(transport
, ref_map
);
714 /* if neither --no-tags nor --tags was specified, do automated tag
716 if (tags
== TAGS_DEFAULT
&& autotags
) {
717 struct ref
**tail
= &ref_map
;
719 find_non_local_tags(transport
, &ref_map
, &tail
);
721 transport_set_option(transport
, TRANS_OPT_FOLLOWTAGS
, NULL
);
722 transport_set_option(transport
, TRANS_OPT_DEPTH
, "0");
723 fetch_refs(transport
, ref_map
);
731 static void set_option(const char *name
, const char *value
)
733 int r
= transport_set_option(transport
, name
, value
);
735 die("Option \"%s\" value \"%s\" is not valid for %s",
736 name
, value
, transport
->url
);
738 warning("Option \"%s\" is ignored for %s\n",
739 name
, transport
->url
);
742 static int get_one_remote_for_fetch(struct remote
*remote
, void *priv
)
744 struct string_list
*list
= priv
;
745 if (!remote
->skip_default_update
)
746 string_list_append(list
, remote
->name
);
750 struct remote_group_data
{
752 struct string_list
*list
;
755 static int get_remote_group(const char *key
, const char *value
, void *priv
)
757 struct remote_group_data
*g
= priv
;
759 if (!prefixcmp(key
, "remotes.") &&
760 !strcmp(key
+ 8, g
->name
)) {
761 /* split list by white space */
762 int space
= strcspn(value
, " \t\n");
765 string_list_append(g
->list
,
766 xstrndup(value
, space
));
768 value
+= space
+ (value
[space
] != '\0');
769 space
= strcspn(value
, " \t\n");
776 static int add_remote_or_group(const char *name
, struct string_list
*list
)
778 int prev_nr
= list
->nr
;
779 struct remote_group_data g
;
780 g
.name
= name
; g
.list
= list
;
782 git_config(get_remote_group
, &g
);
783 if (list
->nr
== prev_nr
) {
784 struct remote
*remote
;
785 if (!remote_is_configured(name
))
787 remote
= remote_get(name
);
788 string_list_append(list
, remote
->name
);
793 static void add_options_to_argv(int *argc
, const char **argv
)
796 argv
[(*argc
)++] = "--dry-run";
798 argv
[(*argc
)++] = "--prune";
800 argv
[(*argc
)++] = "--update-head-ok";
802 argv
[(*argc
)++] = "--force";
804 argv
[(*argc
)++] = "--keep";
805 if (recurse_submodules
== RECURSE_SUBMODULES_ON
)
806 argv
[(*argc
)++] = "--recurse-submodules";
808 argv
[(*argc
)++] = "-v";
810 argv
[(*argc
)++] = "-v";
811 else if (verbosity
< 0)
812 argv
[(*argc
)++] = "-q";
816 static int fetch_multiple(struct string_list
*list
)
819 const char *argv
[12] = { "fetch", "--append" };
822 add_options_to_argv(&argc
, argv
);
824 if (!append
&& !dry_run
) {
825 int errcode
= truncate_fetch_head();
830 for (i
= 0; i
< list
->nr
; i
++) {
831 const char *name
= list
->items
[i
].string
;
833 argv
[argc
+ 1] = NULL
;
835 printf("Fetching %s\n", name
);
836 if (run_command_v_opt(argv
, RUN_GIT_CMD
)) {
837 error("Could not fetch %s", name
);
845 static int fetch_one(struct remote
*remote
, int argc
, const char **argv
)
848 static const char **refs
= NULL
;
853 die("No remote repository specified. Please, specify either a URL or a\n"
854 "remote name from which new revisions should be fetched.");
856 transport
= transport_get(remote
, NULL
);
857 transport_set_verbosity(transport
, verbosity
, progress
);
859 set_option(TRANS_OPT_UPLOADPACK
, upload_pack
);
861 set_option(TRANS_OPT_KEEP
, "yes");
863 set_option(TRANS_OPT_DEPTH
, depth
);
867 refs
= xcalloc(argc
+ 1, sizeof(const char *));
868 for (i
= 0; i
< argc
; i
++) {
869 if (!strcmp(argv
[i
], "tag")) {
873 die("You need to specify a tag name.");
874 ref
= xmalloc(strlen(argv
[i
]) * 2 + 22);
875 strcpy(ref
, "refs/tags/");
876 strcat(ref
, argv
[i
]);
877 strcat(ref
, ":refs/tags/");
878 strcat(ref
, argv
[i
]);
887 sigchain_push_common(unlock_pack_on_signal
);
889 exit_code
= do_fetch(transport
,
890 parse_fetch_refspec(ref_nr
, refs
), ref_nr
);
891 transport_disconnect(transport
);
896 int cmd_fetch(int argc
, const char **argv
, const char *prefix
)
899 struct string_list list
= STRING_LIST_INIT_NODUP
;
900 struct remote
*remote
;
903 /* Record the command line for the reflog */
904 strbuf_addstr(&default_rla
, "fetch");
905 for (i
= 1; i
< argc
; i
++)
906 strbuf_addf(&default_rla
, " %s", argv
[i
]);
908 argc
= parse_options(argc
, argv
, prefix
,
909 builtin_fetch_options
, builtin_fetch_usage
, 0);
913 die("fetch --all does not take a repository argument");
915 die("fetch --all does not make sense with refspecs");
916 (void) for_each_remote(get_one_remote_for_fetch
, &list
);
917 result
= fetch_multiple(&list
);
918 } else if (argc
== 0) {
919 /* No arguments -- use default remote */
920 remote
= remote_get(NULL
);
921 result
= fetch_one(remote
, argc
, argv
);
922 } else if (multiple
) {
923 /* All arguments are assumed to be remotes or groups */
924 for (i
= 0; i
< argc
; i
++)
925 if (!add_remote_or_group(argv
[i
], &list
))
926 die("No such remote or remote group: %s", argv
[i
]);
927 result
= fetch_multiple(&list
);
929 /* Single remote or group */
930 (void) add_remote_or_group(argv
[0], &list
);
932 /* More than one remote */
934 die("Fetching a group and specifying refspecs does not make sense");
935 result
= fetch_multiple(&list
);
937 /* Zero or one remotes */
938 remote
= remote_get(argv
[0]);
939 result
= fetch_one(remote
, argc
-1, argv
+1);
943 if (!result
&& (recurse_submodules
!= RECURSE_SUBMODULES_OFF
)) {
944 const char *options
[10];
946 /* Set recursion as default when we already are recursing */
947 if (submodule_prefix
[0])
948 set_config_fetch_recurse_submodules(1);
950 git_config(submodule_config
, NULL
);
951 add_options_to_argv(&num_options
, options
);
952 result
= fetch_populated_submodules(num_options
, options
,
954 recurse_submodules
== RECURSE_SUBMODULES_ON
,
958 /* All names were strdup()ed or strndup()ed */
959 list
.strdup_strings
= 1;
960 string_list_clear(&list
, 0);