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>]",
31 static int all
, append
, dry_run
, force
, keep
, multiple
, prune
, update_head_ok
, verbosity
;
32 static int progress
, recurse_submodules
= RECURSE_SUBMODULES_DEFAULT
;
33 static int tags
= TAGS_DEFAULT
;
34 static const char *depth
;
35 static const char *upload_pack
;
36 static struct strbuf default_rla
= STRBUF_INIT
;
37 static struct transport
*transport
;
38 static const char *submodule_prefix
= "";
39 static const char *recurse_submodules_default
;
41 static struct option builtin_fetch_options
[] = {
42 OPT__VERBOSITY(&verbosity
),
43 OPT_BOOLEAN(0, "all", &all
,
44 "fetch from all remotes"),
45 OPT_BOOLEAN('a', "append", &append
,
46 "append to .git/FETCH_HEAD instead of overwriting"),
47 OPT_STRING(0, "upload-pack", &upload_pack
, "PATH",
48 "path to upload pack on remote end"),
49 OPT__FORCE(&force
, "force overwrite of local branch"),
50 OPT_BOOLEAN('m', "multiple", &multiple
,
51 "fetch from multiple remotes"),
52 OPT_SET_INT('t', "tags", &tags
,
53 "fetch all tags and associated objects", TAGS_SET
),
54 OPT_SET_INT('n', NULL
, &tags
,
55 "do not fetch all tags (--no-tags)", TAGS_UNSET
),
56 OPT_BOOLEAN('p', "prune", &prune
,
57 "prune remote-tracking branches no longer on remote"),
58 OPT_SET_INT(0, "recurse-submodules", &recurse_submodules
,
59 "control recursive fetching of submodules",
60 RECURSE_SUBMODULES_ON
),
61 OPT_BOOLEAN(0, "dry-run", &dry_run
,
63 OPT_BOOLEAN('k', "keep", &keep
, "keep downloaded pack"),
64 OPT_BOOLEAN('u', "update-head-ok", &update_head_ok
,
65 "allow updating of HEAD ref"),
66 OPT_BOOLEAN(0, "progress", &progress
, "force progress reporting"),
67 OPT_STRING(0, "depth", &depth
, "DEPTH",
68 "deepen history of shallow clone"),
69 { OPTION_STRING
, 0, "submodule-prefix", &submodule_prefix
, "DIR",
70 "prepend this to submodule path output", PARSE_OPT_HIDDEN
},
71 { OPTION_STRING
, 0, "recurse-submodules-default",
72 &recurse_submodules_default
, NULL
,
73 "default mode for recursion", PARSE_OPT_HIDDEN
},
77 static void unlock_pack(void)
80 transport_unlock_pack(transport
);
83 static void unlock_pack_on_signal(int signo
)
90 static void add_merge_config(struct ref
**head
,
91 const struct ref
*remote_refs
,
92 struct branch
*branch
,
97 for (i
= 0; i
< branch
->merge_nr
; i
++) {
98 struct ref
*rm
, **old_tail
= *tail
;
99 struct refspec refspec
;
101 for (rm
= *head
; rm
; rm
= rm
->next
) {
102 if (branch_merge_matches(branch
, i
, rm
->name
)) {
111 * Not fetched to a remote-tracking branch? We need to fetch
112 * it anyway to allow this branch's "branch.$name.merge"
113 * to be honored by 'git pull', but we do not have to
114 * fail if branch.$name.merge is misconfigured to point
115 * at a nonexisting branch. If we were indeed called by
116 * 'git pull', it will notice the misconfiguration because
117 * there is no entry in the resulting FETCH_HEAD marked
120 memset(&refspec
, 0, sizeof(refspec
));
121 refspec
.src
= branch
->merge
[i
]->src
;
122 get_fetch_map(remote_refs
, &refspec
, tail
, 1);
123 for (rm
= *old_tail
; rm
; rm
= rm
->next
)
128 static void find_non_local_tags(struct transport
*transport
,
132 static struct ref
*get_ref_map(struct transport
*transport
,
133 struct refspec
*refs
, int ref_count
, int tags
,
138 struct ref
*ref_map
= NULL
;
139 struct ref
**tail
= &ref_map
;
141 const struct ref
*remote_refs
= transport_get_remote_refs(transport
);
143 if (ref_count
|| tags
== TAGS_SET
) {
144 for (i
= 0; i
< ref_count
; i
++) {
145 get_fetch_map(remote_refs
, &refs
[i
], &tail
, 0);
146 if (refs
[i
].dst
&& refs
[i
].dst
[0])
149 /* Merge everything on the command line, but not --tags */
150 for (rm
= ref_map
; rm
; rm
= rm
->next
)
152 if (tags
== TAGS_SET
)
153 get_fetch_map(remote_refs
, tag_refspec
, &tail
, 0);
155 /* Use the defaults */
156 struct remote
*remote
= transport
->remote
;
157 struct branch
*branch
= branch_get(NULL
);
158 int has_merge
= branch_has_merge_config(branch
);
160 (remote
->fetch_refspec_nr
||
161 /* Note: has_merge implies non-NULL branch->remote_name */
162 (has_merge
&& !strcmp(branch
->remote_name
, remote
->name
)))) {
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.
177 * Note: has_merge implies non-NULL branch->remote_name
180 !strcmp(branch
->remote_name
, remote
->name
))
181 add_merge_config(&ref_map
, remote_refs
, branch
, &tail
);
183 ref_map
= get_remote_ref(remote_refs
, "HEAD");
185 die("Couldn't find remote ref HEAD");
187 tail
= &ref_map
->next
;
190 if (tags
== TAGS_DEFAULT
&& *autotags
)
191 find_non_local_tags(transport
, &ref_map
, &tail
);
192 ref_remove_duplicates(ref_map
);
197 #define STORE_REF_ERROR_OTHER 1
198 #define STORE_REF_ERROR_DF_CONFLICT 2
200 static int s_update_ref(const char *action
,
205 char *rla
= getenv("GIT_REFLOG_ACTION");
206 static struct ref_lock
*lock
;
211 rla
= default_rla
.buf
;
212 snprintf(msg
, sizeof(msg
), "%s: %s", rla
, action
);
213 lock
= lock_any_ref_for_update(ref
->name
,
214 check_old
? ref
->old_sha1
: NULL
, 0);
216 return errno
== ENOTDIR
? STORE_REF_ERROR_DF_CONFLICT
:
217 STORE_REF_ERROR_OTHER
;
218 if (write_ref_sha1(lock
, ref
->new_sha1
, msg
) < 0)
219 return errno
== ENOTDIR
? STORE_REF_ERROR_DF_CONFLICT
:
220 STORE_REF_ERROR_OTHER
;
224 #define REFCOL_WIDTH 10
226 static int update_local_ref(struct ref
*ref
,
230 struct commit
*current
= NULL
, *updated
;
231 enum object_type type
;
232 struct branch
*current_branch
= branch_get(NULL
);
233 const char *pretty_ref
= prettify_refname(ref
->name
);
236 type
= sha1_object_info(ref
->new_sha1
, NULL
);
238 die("object %s not found", sha1_to_hex(ref
->new_sha1
));
240 if (!hashcmp(ref
->old_sha1
, ref
->new_sha1
)) {
242 sprintf(display
, "= %-*s %-*s -> %s", TRANSPORT_SUMMARY_WIDTH
,
243 "[up to date]", REFCOL_WIDTH
, remote
,
248 if (current_branch
&&
249 !strcmp(ref
->name
, current_branch
->name
) &&
250 !(update_head_ok
|| is_bare_repository()) &&
251 !is_null_sha1(ref
->old_sha1
)) {
253 * If this is the head, and it's not okay to update
254 * the head, and the old value of the head isn't empty...
256 sprintf(display
, "! %-*s %-*s -> %s (can't fetch in current branch)",
257 TRANSPORT_SUMMARY_WIDTH
, "[rejected]", REFCOL_WIDTH
, remote
,
262 if (!is_null_sha1(ref
->old_sha1
) &&
263 !prefixcmp(ref
->name
, "refs/tags/")) {
265 r
= s_update_ref("updating tag", ref
, 0);
266 sprintf(display
, "%c %-*s %-*s -> %s%s", r
? '!' : '-',
267 TRANSPORT_SUMMARY_WIDTH
, "[tag update]", REFCOL_WIDTH
, remote
,
268 pretty_ref
, r
? " (unable to update local ref)" : "");
272 current
= lookup_commit_reference_gently(ref
->old_sha1
, 1);
273 updated
= lookup_commit_reference_gently(ref
->new_sha1
, 1);
274 if (!current
|| !updated
) {
278 if (!strncmp(ref
->name
, "refs/tags/", 10)) {
283 msg
= "storing head";
284 what
= "[new branch]";
285 if ((recurse_submodules
!= RECURSE_SUBMODULES_OFF
) &&
286 (recurse_submodules
!= RECURSE_SUBMODULES_ON
))
287 check_for_new_submodule_commits(ref
->new_sha1
);
290 r
= s_update_ref(msg
, ref
, 0);
291 sprintf(display
, "%c %-*s %-*s -> %s%s", r
? '!' : '*',
292 TRANSPORT_SUMMARY_WIDTH
, what
, REFCOL_WIDTH
, remote
, pretty_ref
,
293 r
? " (unable to update local ref)" : "");
297 if (in_merge_bases(current
, &updated
, 1)) {
300 strcpy(quickref
, find_unique_abbrev(current
->object
.sha1
, DEFAULT_ABBREV
));
301 strcat(quickref
, "..");
302 strcat(quickref
, find_unique_abbrev(ref
->new_sha1
, DEFAULT_ABBREV
));
303 if ((recurse_submodules
!= RECURSE_SUBMODULES_OFF
) &&
304 (recurse_submodules
!= RECURSE_SUBMODULES_ON
))
305 check_for_new_submodule_commits(ref
->new_sha1
);
306 r
= s_update_ref("fast-forward", ref
, 1);
307 sprintf(display
, "%c %-*s %-*s -> %s%s", r
? '!' : ' ',
308 TRANSPORT_SUMMARY_WIDTH
, quickref
, REFCOL_WIDTH
, remote
,
309 pretty_ref
, r
? " (unable to update local ref)" : "");
311 } else if (force
|| ref
->force
) {
314 strcpy(quickref
, find_unique_abbrev(current
->object
.sha1
, DEFAULT_ABBREV
));
315 strcat(quickref
, "...");
316 strcat(quickref
, find_unique_abbrev(ref
->new_sha1
, DEFAULT_ABBREV
));
317 if ((recurse_submodules
!= RECURSE_SUBMODULES_OFF
) &&
318 (recurse_submodules
!= RECURSE_SUBMODULES_ON
))
319 check_for_new_submodule_commits(ref
->new_sha1
);
320 r
= s_update_ref("forced-update", ref
, 1);
321 sprintf(display
, "%c %-*s %-*s -> %s (%s)", r
? '!' : '+',
322 TRANSPORT_SUMMARY_WIDTH
, quickref
, REFCOL_WIDTH
, remote
,
324 r
? "unable to update local ref" : "forced update");
327 sprintf(display
, "! %-*s %-*s -> %s (non-fast-forward)",
328 TRANSPORT_SUMMARY_WIDTH
, "[rejected]", REFCOL_WIDTH
, remote
,
334 static int store_updated_refs(const char *raw_url
, const char *remote_name
,
338 struct commit
*commit
;
339 int url_len
, i
, note_len
, shown_url
= 0, rc
= 0;
341 const char *what
, *kind
;
343 char *url
, *filename
= dry_run
? "/dev/null" : git_path("FETCH_HEAD");
345 fp
= fopen(filename
, "a");
347 return error("cannot open %s: %s\n", filename
, strerror(errno
));
350 url
= transport_anonymize_url(raw_url
);
352 url
= xstrdup("foreign");
353 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
354 struct ref
*ref
= NULL
;
357 ref
= xcalloc(1, sizeof(*ref
) + strlen(rm
->peer_ref
->name
) + 1);
358 strcpy(ref
->name
, rm
->peer_ref
->name
);
359 hashcpy(ref
->old_sha1
, rm
->peer_ref
->old_sha1
);
360 hashcpy(ref
->new_sha1
, rm
->old_sha1
);
361 ref
->force
= rm
->peer_ref
->force
;
364 commit
= lookup_commit_reference_gently(rm
->old_sha1
, 1);
368 if (!strcmp(rm
->name
, "HEAD")) {
372 else if (!prefixcmp(rm
->name
, "refs/heads/")) {
374 what
= rm
->name
+ 11;
376 else if (!prefixcmp(rm
->name
, "refs/tags/")) {
378 what
= rm
->name
+ 10;
380 else if (!prefixcmp(rm
->name
, "refs/remotes/")) {
381 kind
= "remote-tracking branch";
382 what
= rm
->name
+ 13;
389 url_len
= strlen(url
);
390 for (i
= url_len
- 1; url
[i
] == '/' && 0 <= i
; i
--)
393 if (4 < i
&& !strncmp(".git", url
+ i
- 3, 4))
399 note_len
+= sprintf(note
+ note_len
, "%s ",
401 note_len
+= sprintf(note
+ note_len
, "'%s' of ", what
);
403 note
[note_len
] = '\0';
404 fprintf(fp
, "%s\t%s\t%s",
405 sha1_to_hex(commit
? commit
->object
.sha1
:
407 rm
->merge
? "" : "not-for-merge",
409 for (i
= 0; i
< url_len
; ++i
)
417 rc
|= update_local_ref(ref
, what
, note
);
420 sprintf(note
, "* %-*s %-*s -> FETCH_HEAD",
421 TRANSPORT_SUMMARY_WIDTH
, *kind
? kind
: "branch",
422 REFCOL_WIDTH
, *what
? what
: "HEAD");
424 if (verbosity
>= 0 && !shown_url
) {
425 fprintf(stderr
, "From %.*s\n",
430 fprintf(stderr
, " %s\n", note
);
435 if (rc
& STORE_REF_ERROR_DF_CONFLICT
)
436 error("some local refs could not be updated; try running\n"
437 " 'git remote prune %s' to remove any old, conflicting "
438 "branches", remote_name
);
443 * We would want to bypass the object transfer altogether if
444 * everything we are going to fetch already exists and is connected
447 * The refs we are going to fetch are in ref_map. If running
449 * $ git rev-list --objects --stdin --not --all
451 * (feeding all the refs in ref_map on its standard input)
452 * does not error out, that means everything reachable from the
453 * refs we are going to fetch exists and is connected to some of
456 static int quickfetch(struct ref
*ref_map
)
458 struct child_process revlist
;
461 const char *argv
[] = {"rev-list",
462 "--quiet", "--objects", "--stdin", "--not", "--all", NULL
};
465 * If we are deepening a shallow clone we already have these
466 * objects reachable. Running rev-list here will return with
467 * a good (0) exit status and we'll bypass the fetch that we
468 * really need to perform. Claiming failure now will ensure
469 * we perform the network exchange to deepen our history.
477 memset(&revlist
, 0, sizeof(revlist
));
480 revlist
.no_stdout
= 1;
481 revlist
.no_stderr
= 1;
484 err
= start_command(&revlist
);
486 error("could not run rev-list");
491 * If rev-list --stdin encounters an unknown commit, it terminates,
492 * which will cause SIGPIPE in the write loop below.
494 sigchain_push(SIGPIPE
, SIG_IGN
);
496 for (ref
= ref_map
; ref
; ref
= ref
->next
) {
497 if (write_in_full(revlist
.in
, sha1_to_hex(ref
->old_sha1
), 40) < 0 ||
498 write_str_in_full(revlist
.in
, "\n") < 0) {
499 if (errno
!= EPIPE
&& errno
!= EINVAL
)
500 error("failed write to rev-list: %s", strerror(errno
));
506 if (close(revlist
.in
)) {
507 error("failed to close rev-list's stdin: %s", strerror(errno
));
511 sigchain_pop(SIGPIPE
);
513 return finish_command(&revlist
) || err
;
516 static int fetch_refs(struct transport
*transport
, struct ref
*ref_map
)
518 int ret
= quickfetch(ref_map
);
520 ret
= transport_fetch_refs(transport
, ref_map
);
522 ret
|= store_updated_refs(transport
->url
,
523 transport
->remote
->name
,
525 transport_unlock_pack(transport
);
529 static int prune_refs(struct transport
*transport
, struct ref
*ref_map
)
532 struct ref
*ref
, *stale_refs
= get_stale_heads(transport
->remote
, ref_map
);
533 const char *dangling_msg
= dry_run
534 ? " (%s will become dangling)\n"
535 : " (%s has become dangling)\n";
537 for (ref
= stale_refs
; ref
; ref
= ref
->next
) {
539 result
|= delete_ref(ref
->name
, NULL
, 0);
540 if (verbosity
>= 0) {
541 fprintf(stderr
, " x %-*s %-*s -> %s\n",
542 TRANSPORT_SUMMARY_WIDTH
, "[deleted]",
543 REFCOL_WIDTH
, "(none)", prettify_refname(ref
->name
));
544 warn_dangling_symref(stderr
, dangling_msg
, ref
->name
);
547 free_refs(stale_refs
);
551 static int add_existing(const char *refname
, const unsigned char *sha1
,
552 int flag
, void *cbdata
)
554 struct string_list
*list
= (struct string_list
*)cbdata
;
555 struct string_list_item
*item
= string_list_insert(list
, refname
);
556 item
->util
= (void *)sha1
;
560 static int will_fetch(struct ref
**head
, const unsigned char *sha1
)
562 struct ref
*rm
= *head
;
564 if (!hashcmp(rm
->old_sha1
, sha1
))
571 static void find_non_local_tags(struct transport
*transport
,
575 struct string_list existing_refs
= STRING_LIST_INIT_NODUP
;
576 struct string_list remote_refs
= STRING_LIST_INIT_NODUP
;
577 const struct ref
*ref
;
578 struct string_list_item
*item
= NULL
;
580 for_each_ref(add_existing
, &existing_refs
);
581 for (ref
= transport_get_remote_refs(transport
); ref
; ref
= ref
->next
) {
582 if (prefixcmp(ref
->name
, "refs/tags"))
586 * The peeled ref always follows the matching base
587 * ref, so if we see a peeled ref that we don't want
588 * to fetch then we can mark the ref entry in the list
589 * as one to ignore by setting util to NULL.
591 if (!suffixcmp(ref
->name
, "^{}")) {
592 if (item
&& !has_sha1_file(ref
->old_sha1
) &&
593 !will_fetch(head
, ref
->old_sha1
) &&
594 !has_sha1_file(item
->util
) &&
595 !will_fetch(head
, item
->util
))
602 * If item is non-NULL here, then we previously saw a
603 * ref not followed by a peeled reference, so we need
604 * to check if it is a lightweight tag that we want to
607 if (item
&& !has_sha1_file(item
->util
) &&
608 !will_fetch(head
, item
->util
))
613 /* skip duplicates and refs that we already have */
614 if (string_list_has_string(&remote_refs
, ref
->name
) ||
615 string_list_has_string(&existing_refs
, ref
->name
))
618 item
= string_list_insert(&remote_refs
, ref
->name
);
619 item
->util
= (void *)ref
->old_sha1
;
621 string_list_clear(&existing_refs
, 0);
624 * We may have a final lightweight tag that needs to be
625 * checked to see if it needs fetching.
627 if (item
&& !has_sha1_file(item
->util
) &&
628 !will_fetch(head
, item
->util
))
632 * For all the tags in the remote_refs string list,
633 * add them to the list of refs to be fetched
635 for_each_string_list_item(item
, &remote_refs
) {
636 /* Unless we have already decided to ignore this item... */
639 struct ref
*rm
= alloc_ref(item
->string
);
640 rm
->peer_ref
= alloc_ref(item
->string
);
641 hashcpy(rm
->old_sha1
, item
->util
);
647 string_list_clear(&remote_refs
, 0);
650 static void check_not_current_branch(struct ref
*ref_map
)
652 struct branch
*current_branch
= branch_get(NULL
);
654 if (is_bare_repository() || !current_branch
)
657 for (; ref_map
; ref_map
= ref_map
->next
)
658 if (ref_map
->peer_ref
&& !strcmp(current_branch
->refname
,
659 ref_map
->peer_ref
->name
))
660 die("Refusing to fetch into current branch %s "
661 "of non-bare repository", current_branch
->refname
);
664 static int truncate_fetch_head(void)
666 char *filename
= git_path("FETCH_HEAD");
667 FILE *fp
= fopen(filename
, "w");
670 return error("cannot open %s: %s\n", filename
, strerror(errno
));
675 static int do_fetch(struct transport
*transport
,
676 struct refspec
*refs
, int ref_count
)
678 struct string_list existing_refs
= STRING_LIST_INIT_NODUP
;
679 struct string_list_item
*peer_item
= NULL
;
682 int autotags
= (transport
->remote
->fetch_tags
== 1);
684 for_each_ref(add_existing
, &existing_refs
);
686 if (tags
== TAGS_DEFAULT
) {
687 if (transport
->remote
->fetch_tags
== 2)
689 if (transport
->remote
->fetch_tags
== -1)
693 if (!transport
->get_refs_list
|| !transport
->fetch
)
694 die("Don't know how to fetch from %s", transport
->url
);
696 /* if not appending, truncate FETCH_HEAD */
697 if (!append
&& !dry_run
) {
698 int errcode
= truncate_fetch_head();
703 ref_map
= get_ref_map(transport
, refs
, ref_count
, tags
, &autotags
);
705 check_not_current_branch(ref_map
);
707 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
709 peer_item
= string_list_lookup(&existing_refs
,
712 hashcpy(rm
->peer_ref
->old_sha1
,
717 if (tags
== TAGS_DEFAULT
&& autotags
)
718 transport_set_option(transport
, TRANS_OPT_FOLLOWTAGS
, "1");
719 if (fetch_refs(transport
, ref_map
)) {
724 prune_refs(transport
, ref_map
);
727 /* if neither --no-tags nor --tags was specified, do automated tag
729 if (tags
== TAGS_DEFAULT
&& autotags
) {
730 struct ref
**tail
= &ref_map
;
732 find_non_local_tags(transport
, &ref_map
, &tail
);
734 transport_set_option(transport
, TRANS_OPT_FOLLOWTAGS
, NULL
);
735 transport_set_option(transport
, TRANS_OPT_DEPTH
, "0");
736 fetch_refs(transport
, ref_map
);
744 static void set_option(const char *name
, const char *value
)
746 int r
= transport_set_option(transport
, name
, value
);
748 die("Option \"%s\" value \"%s\" is not valid for %s",
749 name
, value
, transport
->url
);
751 warning("Option \"%s\" is ignored for %s\n",
752 name
, transport
->url
);
755 static int get_one_remote_for_fetch(struct remote
*remote
, void *priv
)
757 struct string_list
*list
= priv
;
758 if (!remote
->skip_default_update
)
759 string_list_append(list
, remote
->name
);
763 struct remote_group_data
{
765 struct string_list
*list
;
768 static int get_remote_group(const char *key
, const char *value
, void *priv
)
770 struct remote_group_data
*g
= priv
;
772 if (!prefixcmp(key
, "remotes.") &&
773 !strcmp(key
+ 8, g
->name
)) {
774 /* split list by white space */
775 int space
= strcspn(value
, " \t\n");
778 string_list_append(g
->list
,
779 xstrndup(value
, space
));
781 value
+= space
+ (value
[space
] != '\0');
782 space
= strcspn(value
, " \t\n");
789 static int add_remote_or_group(const char *name
, struct string_list
*list
)
791 int prev_nr
= list
->nr
;
792 struct remote_group_data g
;
793 g
.name
= name
; g
.list
= list
;
795 git_config(get_remote_group
, &g
);
796 if (list
->nr
== prev_nr
) {
797 struct remote
*remote
;
798 if (!remote_is_configured(name
))
800 remote
= remote_get(name
);
801 string_list_append(list
, remote
->name
);
806 static void add_options_to_argv(int *argc
, const char **argv
)
809 argv
[(*argc
)++] = "--dry-run";
811 argv
[(*argc
)++] = "--prune";
813 argv
[(*argc
)++] = "--update-head-ok";
815 argv
[(*argc
)++] = "--force";
817 argv
[(*argc
)++] = "--keep";
818 if (recurse_submodules
== RECURSE_SUBMODULES_ON
)
819 argv
[(*argc
)++] = "--recurse-submodules";
821 argv
[(*argc
)++] = "-v";
823 argv
[(*argc
)++] = "-v";
824 else if (verbosity
< 0)
825 argv
[(*argc
)++] = "-q";
829 static int fetch_multiple(struct string_list
*list
)
832 const char *argv
[12] = { "fetch", "--append" };
835 add_options_to_argv(&argc
, argv
);
837 if (!append
&& !dry_run
) {
838 int errcode
= truncate_fetch_head();
843 for (i
= 0; i
< list
->nr
; i
++) {
844 const char *name
= list
->items
[i
].string
;
846 argv
[argc
+ 1] = NULL
;
848 printf("Fetching %s\n", name
);
849 if (run_command_v_opt(argv
, RUN_GIT_CMD
)) {
850 error("Could not fetch %s", name
);
858 static int fetch_one(struct remote
*remote
, int argc
, const char **argv
)
861 static const char **refs
= NULL
;
866 die("No remote repository specified. Please, specify either a URL or a\n"
867 "remote name from which new revisions should be fetched.");
869 transport
= transport_get(remote
, NULL
);
870 transport_set_verbosity(transport
, verbosity
, progress
);
872 set_option(TRANS_OPT_UPLOADPACK
, upload_pack
);
874 set_option(TRANS_OPT_KEEP
, "yes");
876 set_option(TRANS_OPT_DEPTH
, depth
);
880 refs
= xcalloc(argc
+ 1, sizeof(const char *));
881 for (i
= 0; i
< argc
; i
++) {
882 if (!strcmp(argv
[i
], "tag")) {
886 die("You need to specify a tag name.");
887 ref
= xmalloc(strlen(argv
[i
]) * 2 + 22);
888 strcpy(ref
, "refs/tags/");
889 strcat(ref
, argv
[i
]);
890 strcat(ref
, ":refs/tags/");
891 strcat(ref
, argv
[i
]);
900 sigchain_push_common(unlock_pack_on_signal
);
902 exit_code
= do_fetch(transport
,
903 parse_fetch_refspec(ref_nr
, refs
), ref_nr
);
904 transport_disconnect(transport
);
909 int cmd_fetch(int argc
, const char **argv
, const char *prefix
)
912 struct string_list list
= STRING_LIST_INIT_NODUP
;
913 struct remote
*remote
;
916 /* Record the command line for the reflog */
917 strbuf_addstr(&default_rla
, "fetch");
918 for (i
= 1; i
< argc
; i
++)
919 strbuf_addf(&default_rla
, " %s", argv
[i
]);
921 argc
= parse_options(argc
, argv
, prefix
,
922 builtin_fetch_options
, builtin_fetch_usage
, 0);
926 die("fetch --all does not take a repository argument");
928 die("fetch --all does not make sense with refspecs");
929 (void) for_each_remote(get_one_remote_for_fetch
, &list
);
930 result
= fetch_multiple(&list
);
931 } else if (argc
== 0) {
932 /* No arguments -- use default remote */
933 remote
= remote_get(NULL
);
934 result
= fetch_one(remote
, argc
, argv
);
935 } else if (multiple
) {
936 /* All arguments are assumed to be remotes or groups */
937 for (i
= 0; i
< argc
; i
++)
938 if (!add_remote_or_group(argv
[i
], &list
))
939 die("No such remote or remote group: %s", argv
[i
]);
940 result
= fetch_multiple(&list
);
942 /* Single remote or group */
943 (void) add_remote_or_group(argv
[0], &list
);
945 /* More than one remote */
947 die("Fetching a group and specifying refspecs does not make sense");
948 result
= fetch_multiple(&list
);
950 /* Zero or one remotes */
951 remote
= remote_get(argv
[0]);
952 result
= fetch_one(remote
, argc
-1, argv
+1);
956 if (!result
&& (recurse_submodules
!= RECURSE_SUBMODULES_OFF
)) {
957 const char *options
[10];
959 if (recurse_submodules_default
) {
960 int arg
= parse_fetch_recurse_submodules_arg("--recurse-submodules-default", recurse_submodules_default
);
961 set_config_fetch_recurse_submodules(arg
);
964 git_config(submodule_config
, NULL
);
965 add_options_to_argv(&num_options
, options
);
966 result
= fetch_populated_submodules(num_options
, options
,
968 recurse_submodules
== RECURSE_SUBMODULES_ON
,
972 /* All names were strdup()ed or strndup()ed */
973 list
.strdup_strings
= 1;
974 string_list_clear(&list
, 0);