8 #include "string-list.h"
10 #include "transport.h"
11 #include "run-command.h"
12 #include "parse-options.h"
14 #include "transport.h"
15 #include "submodule.h"
16 #include "connected.h"
18 static const char * const builtin_fetch_usage
[] = {
19 N_("git fetch [<options>] [<repository> [<refspec>...]]"),
20 N_("git fetch [<options>] <group>"),
21 N_("git fetch --multiple [<options>] [(<repository> | <group>)...]"),
22 N_("git fetch --all [<options>]"),
32 static int all
, append
, dry_run
, force
, keep
, multiple
, prune
, update_head_ok
, verbosity
;
33 static int progress
= -1, recurse_submodules
= RECURSE_SUBMODULES_DEFAULT
;
34 static int tags
= TAGS_DEFAULT
;
35 static const char *depth
;
36 static const char *upload_pack
;
37 static struct strbuf default_rla
= STRBUF_INIT
;
38 static struct transport
*transport
;
39 static const char *submodule_prefix
= "";
40 static const char *recurse_submodules_default
;
42 static int option_parse_recurse_submodules(const struct option
*opt
,
43 const char *arg
, int unset
)
46 recurse_submodules
= RECURSE_SUBMODULES_OFF
;
49 recurse_submodules
= parse_fetch_recurse_submodules_arg(opt
->long_name
, arg
);
51 recurse_submodules
= RECURSE_SUBMODULES_ON
;
56 static struct option builtin_fetch_options
[] = {
57 OPT__VERBOSITY(&verbosity
),
58 OPT_BOOLEAN(0, "all", &all
,
59 N_("fetch from all remotes")),
60 OPT_BOOLEAN('a', "append", &append
,
61 N_("append to .git/FETCH_HEAD instead of overwriting")),
62 OPT_STRING(0, "upload-pack", &upload_pack
, N_("path"),
63 N_("path to upload pack on remote end")),
64 OPT__FORCE(&force
, N_("force overwrite of local branch")),
65 OPT_BOOLEAN('m', "multiple", &multiple
,
66 N_("fetch from multiple remotes")),
67 OPT_SET_INT('t', "tags", &tags
,
68 N_("fetch all tags and associated objects"), TAGS_SET
),
69 OPT_SET_INT('n', NULL
, &tags
,
70 N_("do not fetch all tags (--no-tags)"), TAGS_UNSET
),
71 OPT_BOOLEAN('p', "prune", &prune
,
72 N_("prune remote-tracking branches no longer on remote")),
73 { OPTION_CALLBACK
, 0, "recurse-submodules", NULL
, N_("on-demand"),
74 N_("control recursive fetching of submodules"),
75 PARSE_OPT_OPTARG
, option_parse_recurse_submodules
},
76 OPT_BOOLEAN(0, "dry-run", &dry_run
,
78 OPT_BOOLEAN('k', "keep", &keep
, N_("keep downloaded pack")),
79 OPT_BOOLEAN('u', "update-head-ok", &update_head_ok
,
80 N_("allow updating of HEAD ref")),
81 OPT_BOOL(0, "progress", &progress
, N_("force progress reporting")),
82 OPT_STRING(0, "depth", &depth
, N_("depth"),
83 N_("deepen history of shallow clone")),
84 { OPTION_STRING
, 0, "submodule-prefix", &submodule_prefix
, N_("dir"),
85 N_("prepend this to submodule path output"), PARSE_OPT_HIDDEN
},
86 { OPTION_STRING
, 0, "recurse-submodules-default",
87 &recurse_submodules_default
, NULL
,
88 N_("default mode for recursion"), PARSE_OPT_HIDDEN
},
92 static void unlock_pack(void)
95 transport_unlock_pack(transport
);
98 static void unlock_pack_on_signal(int signo
)
105 static void add_merge_config(struct ref
**head
,
106 const struct ref
*remote_refs
,
107 struct branch
*branch
,
112 for (i
= 0; i
< branch
->merge_nr
; i
++) {
113 struct ref
*rm
, **old_tail
= *tail
;
114 struct refspec refspec
;
116 for (rm
= *head
; rm
; rm
= rm
->next
) {
117 if (branch_merge_matches(branch
, i
, rm
->name
)) {
126 * Not fetched to a remote-tracking branch? We need to fetch
127 * it anyway to allow this branch's "branch.$name.merge"
128 * to be honored by 'git pull', but we do not have to
129 * fail if branch.$name.merge is misconfigured to point
130 * at a nonexisting branch. If we were indeed called by
131 * 'git pull', it will notice the misconfiguration because
132 * there is no entry in the resulting FETCH_HEAD marked
135 memset(&refspec
, 0, sizeof(refspec
));
136 refspec
.src
= branch
->merge
[i
]->src
;
137 get_fetch_map(remote_refs
, &refspec
, tail
, 1);
138 for (rm
= *old_tail
; rm
; rm
= rm
->next
)
143 static void find_non_local_tags(struct transport
*transport
,
147 static struct ref
*get_ref_map(struct transport
*transport
,
148 struct refspec
*refs
, int ref_count
, int tags
,
153 struct ref
*ref_map
= NULL
;
154 struct ref
**tail
= &ref_map
;
156 const struct ref
*remote_refs
= transport_get_remote_refs(transport
);
158 if (ref_count
|| tags
== TAGS_SET
) {
159 for (i
= 0; i
< ref_count
; i
++) {
160 get_fetch_map(remote_refs
, &refs
[i
], &tail
, 0);
161 if (refs
[i
].dst
&& refs
[i
].dst
[0])
164 /* Merge everything on the command line, but not --tags */
165 for (rm
= ref_map
; rm
; rm
= rm
->next
)
167 if (tags
== TAGS_SET
)
168 get_fetch_map(remote_refs
, tag_refspec
, &tail
, 0);
170 /* Use the defaults */
171 struct remote
*remote
= transport
->remote
;
172 struct branch
*branch
= branch_get(NULL
);
173 int has_merge
= branch_has_merge_config(branch
);
175 (remote
->fetch_refspec_nr
||
176 /* Note: has_merge implies non-NULL branch->remote_name */
177 (has_merge
&& !strcmp(branch
->remote_name
, remote
->name
)))) {
178 for (i
= 0; i
< remote
->fetch_refspec_nr
; i
++) {
179 get_fetch_map(remote_refs
, &remote
->fetch
[i
], &tail
, 0);
180 if (remote
->fetch
[i
].dst
&&
181 remote
->fetch
[i
].dst
[0])
183 if (!i
&& !has_merge
&& ref_map
&&
184 !remote
->fetch
[0].pattern
)
188 * if the remote we're fetching from is the same
189 * as given in branch.<name>.remote, we add the
190 * ref given in branch.<name>.merge, too.
192 * Note: has_merge implies non-NULL branch->remote_name
195 !strcmp(branch
->remote_name
, remote
->name
))
196 add_merge_config(&ref_map
, remote_refs
, branch
, &tail
);
198 ref_map
= get_remote_ref(remote_refs
, "HEAD");
200 die(_("Couldn't find remote ref HEAD"));
202 tail
= &ref_map
->next
;
205 if (tags
== TAGS_DEFAULT
&& *autotags
)
206 find_non_local_tags(transport
, &ref_map
, &tail
);
207 ref_remove_duplicates(ref_map
);
212 #define STORE_REF_ERROR_OTHER 1
213 #define STORE_REF_ERROR_DF_CONFLICT 2
215 static int s_update_ref(const char *action
,
220 char *rla
= getenv("GIT_REFLOG_ACTION");
221 static struct ref_lock
*lock
;
226 rla
= default_rla
.buf
;
227 snprintf(msg
, sizeof(msg
), "%s: %s", rla
, action
);
228 lock
= lock_any_ref_for_update(ref
->name
,
229 check_old
? ref
->old_sha1
: NULL
, 0);
231 return errno
== ENOTDIR
? STORE_REF_ERROR_DF_CONFLICT
:
232 STORE_REF_ERROR_OTHER
;
233 if (write_ref_sha1(lock
, ref
->new_sha1
, msg
) < 0)
234 return errno
== ENOTDIR
? STORE_REF_ERROR_DF_CONFLICT
:
235 STORE_REF_ERROR_OTHER
;
239 #define REFCOL_WIDTH 10
241 static int update_local_ref(struct ref
*ref
,
243 const struct ref
*remote_ref
,
244 struct strbuf
*display
)
246 struct commit
*current
= NULL
, *updated
;
247 enum object_type type
;
248 struct branch
*current_branch
= branch_get(NULL
);
249 const char *pretty_ref
= prettify_refname(ref
->name
);
251 type
= sha1_object_info(ref
->new_sha1
, NULL
);
253 die(_("object %s not found"), sha1_to_hex(ref
->new_sha1
));
255 if (!hashcmp(ref
->old_sha1
, ref
->new_sha1
)) {
257 strbuf_addf(display
, "= %-*s %-*s -> %s",
258 TRANSPORT_SUMMARY_WIDTH
,
259 _("[up to date]"), REFCOL_WIDTH
,
264 if (current_branch
&&
265 !strcmp(ref
->name
, current_branch
->name
) &&
266 !(update_head_ok
|| is_bare_repository()) &&
267 !is_null_sha1(ref
->old_sha1
)) {
269 * If this is the head, and it's not okay to update
270 * the head, and the old value of the head isn't empty...
273 _("! %-*s %-*s -> %s (can't fetch in current branch)"),
274 TRANSPORT_SUMMARY_WIDTH
, _("[rejected]"),
275 REFCOL_WIDTH
, remote
, pretty_ref
);
279 if (!is_null_sha1(ref
->old_sha1
) &&
280 !prefixcmp(ref
->name
, "refs/tags/")) {
282 r
= s_update_ref("updating tag", ref
, 0);
283 strbuf_addf(display
, "%c %-*s %-*s -> %s%s",
285 TRANSPORT_SUMMARY_WIDTH
, _("[tag update]"),
286 REFCOL_WIDTH
, remote
, pretty_ref
,
287 r
? _(" (unable to update local ref)") : "");
291 current
= lookup_commit_reference_gently(ref
->old_sha1
, 1);
292 updated
= lookup_commit_reference_gently(ref
->new_sha1
, 1);
293 if (!current
|| !updated
) {
298 * Nicely describe the new ref we're fetching.
299 * Base this on the remote's ref name, as it's
300 * more likely to follow a standard layout.
302 const char *name
= remote_ref
? remote_ref
->name
: "";
303 if (!prefixcmp(name
, "refs/tags/")) {
305 what
= _("[new tag]");
306 } else if (!prefixcmp(name
, "refs/heads/")) {
307 msg
= "storing head";
308 what
= _("[new branch]");
311 what
= _("[new ref]");
314 if ((recurse_submodules
!= RECURSE_SUBMODULES_OFF
) &&
315 (recurse_submodules
!= RECURSE_SUBMODULES_ON
))
316 check_for_new_submodule_commits(ref
->new_sha1
);
317 r
= s_update_ref(msg
, ref
, 0);
318 strbuf_addf(display
, "%c %-*s %-*s -> %s%s",
320 TRANSPORT_SUMMARY_WIDTH
, what
,
321 REFCOL_WIDTH
, remote
, pretty_ref
,
322 r
? _(" (unable to update local ref)") : "");
326 if (in_merge_bases(current
, &updated
, 1)) {
329 strcpy(quickref
, find_unique_abbrev(current
->object
.sha1
, DEFAULT_ABBREV
));
330 strcat(quickref
, "..");
331 strcat(quickref
, find_unique_abbrev(ref
->new_sha1
, DEFAULT_ABBREV
));
332 if ((recurse_submodules
!= RECURSE_SUBMODULES_OFF
) &&
333 (recurse_submodules
!= RECURSE_SUBMODULES_ON
))
334 check_for_new_submodule_commits(ref
->new_sha1
);
335 r
= s_update_ref("fast-forward", ref
, 1);
336 strbuf_addf(display
, "%c %-*s %-*s -> %s%s",
338 TRANSPORT_SUMMARY_WIDTH
, quickref
,
339 REFCOL_WIDTH
, remote
, pretty_ref
,
340 r
? _(" (unable to update local ref)") : "");
342 } else if (force
|| ref
->force
) {
345 strcpy(quickref
, find_unique_abbrev(current
->object
.sha1
, DEFAULT_ABBREV
));
346 strcat(quickref
, "...");
347 strcat(quickref
, find_unique_abbrev(ref
->new_sha1
, DEFAULT_ABBREV
));
348 if ((recurse_submodules
!= RECURSE_SUBMODULES_OFF
) &&
349 (recurse_submodules
!= RECURSE_SUBMODULES_ON
))
350 check_for_new_submodule_commits(ref
->new_sha1
);
351 r
= s_update_ref("forced-update", ref
, 1);
352 strbuf_addf(display
, "%c %-*s %-*s -> %s (%s)",
354 TRANSPORT_SUMMARY_WIDTH
, quickref
,
355 REFCOL_WIDTH
, remote
, pretty_ref
,
356 r
? _("unable to update local ref") : _("forced update"));
359 strbuf_addf(display
, "! %-*s %-*s -> %s %s",
360 TRANSPORT_SUMMARY_WIDTH
, _("[rejected]"),
361 REFCOL_WIDTH
, remote
, pretty_ref
,
362 _("(non-fast-forward)"));
367 static int iterate_ref_map(void *cb_data
, unsigned char sha1
[20])
369 struct ref
**rm
= cb_data
;
370 struct ref
*ref
= *rm
;
373 return -1; /* end of the list */
375 hashcpy(sha1
, ref
->old_sha1
);
379 static int store_updated_refs(const char *raw_url
, const char *remote_name
,
383 struct commit
*commit
;
384 int url_len
, i
, shown_url
= 0, rc
= 0;
385 struct strbuf note
= STRBUF_INIT
;
386 const char *what
, *kind
;
388 char *url
, *filename
= dry_run
? "/dev/null" : git_path("FETCH_HEAD");
391 fp
= fopen(filename
, "a");
393 return error(_("cannot open %s: %s\n"), filename
, strerror(errno
));
396 url
= transport_anonymize_url(raw_url
);
398 url
= xstrdup("foreign");
401 if (check_everything_connected(iterate_ref_map
, 0, &rm
)) {
402 rc
= error(_("%s did not send all necessary objects\n"), url
);
407 * The first pass writes objects to be merged and then the
408 * second pass writes the rest, in order to allow using
409 * FETCH_HEAD as a refname to refer to the ref to be merged.
411 for (want_merge
= 1; 0 <= want_merge
; want_merge
--) {
412 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
413 struct ref
*ref
= NULL
;
415 commit
= lookup_commit_reference_gently(rm
->old_sha1
, 1);
419 if (rm
->merge
!= want_merge
)
423 ref
= xcalloc(1, sizeof(*ref
) + strlen(rm
->peer_ref
->name
) + 1);
424 strcpy(ref
->name
, rm
->peer_ref
->name
);
425 hashcpy(ref
->old_sha1
, rm
->peer_ref
->old_sha1
);
426 hashcpy(ref
->new_sha1
, rm
->old_sha1
);
427 ref
->force
= rm
->peer_ref
->force
;
431 if (!strcmp(rm
->name
, "HEAD")) {
435 else if (!prefixcmp(rm
->name
, "refs/heads/")) {
437 what
= rm
->name
+ 11;
439 else if (!prefixcmp(rm
->name
, "refs/tags/")) {
441 what
= rm
->name
+ 10;
443 else if (!prefixcmp(rm
->name
, "refs/remotes/")) {
444 kind
= "remote-tracking branch";
445 what
= rm
->name
+ 13;
452 url_len
= strlen(url
);
453 for (i
= url_len
- 1; url
[i
] == '/' && 0 <= i
; i
--)
456 if (4 < i
&& !strncmp(".git", url
+ i
- 3, 4))
462 strbuf_addf(¬e
, "%s ", kind
);
463 strbuf_addf(¬e
, "'%s' of ", what
);
465 fprintf(fp
, "%s\t%s\t%s",
466 sha1_to_hex(rm
->old_sha1
),
467 rm
->merge
? "" : "not-for-merge",
469 for (i
= 0; i
< url_len
; ++i
)
478 rc
|= update_local_ref(ref
, what
, rm
, ¬e
);
481 strbuf_addf(¬e
, "* %-*s %-*s -> FETCH_HEAD",
482 TRANSPORT_SUMMARY_WIDTH
,
483 *kind
? kind
: "branch",
485 *what
? what
: "HEAD");
487 if (verbosity
>= 0 && !shown_url
) {
488 fprintf(stderr
, _("From %.*s\n"),
493 fprintf(stderr
, " %s\n", note
.buf
);
498 if (rc
& STORE_REF_ERROR_DF_CONFLICT
)
499 error(_("some local refs could not be updated; try running\n"
500 " 'git remote prune %s' to remove any old, conflicting "
501 "branches"), remote_name
);
504 strbuf_release(¬e
);
511 * We would want to bypass the object transfer altogether if
512 * everything we are going to fetch already exists and is connected
515 static int quickfetch(struct ref
*ref_map
)
517 struct ref
*rm
= ref_map
;
520 * If we are deepening a shallow clone we already have these
521 * objects reachable. Running rev-list here will return with
522 * a good (0) exit status and we'll bypass the fetch that we
523 * really need to perform. Claiming failure now will ensure
524 * we perform the network exchange to deepen our history.
528 return check_everything_connected(iterate_ref_map
, 1, &rm
);
531 static int fetch_refs(struct transport
*transport
, struct ref
*ref_map
)
533 int ret
= quickfetch(ref_map
);
535 ret
= transport_fetch_refs(transport
, ref_map
);
537 ret
|= store_updated_refs(transport
->url
,
538 transport
->remote
->name
,
540 transport_unlock_pack(transport
);
544 static int prune_refs(struct refspec
*refs
, int ref_count
, struct ref
*ref_map
)
547 struct ref
*ref
, *stale_refs
= get_stale_heads(refs
, ref_count
, ref_map
);
548 const char *dangling_msg
= dry_run
549 ? _(" (%s will become dangling)")
550 : _(" (%s has become dangling)");
552 for (ref
= stale_refs
; ref
; ref
= ref
->next
) {
554 result
|= delete_ref(ref
->name
, NULL
, 0);
555 if (verbosity
>= 0) {
556 fprintf(stderr
, " x %-*s %-*s -> %s\n",
557 TRANSPORT_SUMMARY_WIDTH
, _("[deleted]"),
558 REFCOL_WIDTH
, _("(none)"), prettify_refname(ref
->name
));
559 warn_dangling_symref(stderr
, dangling_msg
, ref
->name
);
562 free_refs(stale_refs
);
566 static int add_existing(const char *refname
, const unsigned char *sha1
,
567 int flag
, void *cbdata
)
569 struct string_list
*list
= (struct string_list
*)cbdata
;
570 struct string_list_item
*item
= string_list_insert(list
, refname
);
571 item
->util
= (void *)sha1
;
575 static int will_fetch(struct ref
**head
, const unsigned char *sha1
)
577 struct ref
*rm
= *head
;
579 if (!hashcmp(rm
->old_sha1
, sha1
))
586 static void find_non_local_tags(struct transport
*transport
,
590 struct string_list existing_refs
= STRING_LIST_INIT_NODUP
;
591 struct string_list remote_refs
= STRING_LIST_INIT_NODUP
;
592 const struct ref
*ref
;
593 struct string_list_item
*item
= NULL
;
595 for_each_ref(add_existing
, &existing_refs
);
596 for (ref
= transport_get_remote_refs(transport
); ref
; ref
= ref
->next
) {
597 if (prefixcmp(ref
->name
, "refs/tags/"))
601 * The peeled ref always follows the matching base
602 * ref, so if we see a peeled ref that we don't want
603 * to fetch then we can mark the ref entry in the list
604 * as one to ignore by setting util to NULL.
606 if (!suffixcmp(ref
->name
, "^{}")) {
607 if (item
&& !has_sha1_file(ref
->old_sha1
) &&
608 !will_fetch(head
, ref
->old_sha1
) &&
609 !has_sha1_file(item
->util
) &&
610 !will_fetch(head
, item
->util
))
617 * If item is non-NULL here, then we previously saw a
618 * ref not followed by a peeled reference, so we need
619 * to check if it is a lightweight tag that we want to
622 if (item
&& !has_sha1_file(item
->util
) &&
623 !will_fetch(head
, item
->util
))
628 /* skip duplicates and refs that we already have */
629 if (string_list_has_string(&remote_refs
, ref
->name
) ||
630 string_list_has_string(&existing_refs
, ref
->name
))
633 item
= string_list_insert(&remote_refs
, ref
->name
);
634 item
->util
= (void *)ref
->old_sha1
;
636 string_list_clear(&existing_refs
, 0);
639 * We may have a final lightweight tag that needs to be
640 * checked to see if it needs fetching.
642 if (item
&& !has_sha1_file(item
->util
) &&
643 !will_fetch(head
, item
->util
))
647 * For all the tags in the remote_refs string list,
648 * add them to the list of refs to be fetched
650 for_each_string_list_item(item
, &remote_refs
) {
651 /* Unless we have already decided to ignore this item... */
654 struct ref
*rm
= alloc_ref(item
->string
);
655 rm
->peer_ref
= alloc_ref(item
->string
);
656 hashcpy(rm
->old_sha1
, item
->util
);
662 string_list_clear(&remote_refs
, 0);
665 static void check_not_current_branch(struct ref
*ref_map
)
667 struct branch
*current_branch
= branch_get(NULL
);
669 if (is_bare_repository() || !current_branch
)
672 for (; ref_map
; ref_map
= ref_map
->next
)
673 if (ref_map
->peer_ref
&& !strcmp(current_branch
->refname
,
674 ref_map
->peer_ref
->name
))
675 die(_("Refusing to fetch into current branch %s "
676 "of non-bare repository"), current_branch
->refname
);
679 static int truncate_fetch_head(void)
681 char *filename
= git_path("FETCH_HEAD");
682 FILE *fp
= fopen(filename
, "w");
685 return error(_("cannot open %s: %s\n"), filename
, strerror(errno
));
690 static int do_fetch(struct transport
*transport
,
691 struct refspec
*refs
, int ref_count
)
693 struct string_list existing_refs
= STRING_LIST_INIT_NODUP
;
694 struct string_list_item
*peer_item
= NULL
;
697 int autotags
= (transport
->remote
->fetch_tags
== 1);
699 for_each_ref(add_existing
, &existing_refs
);
701 if (tags
== TAGS_DEFAULT
) {
702 if (transport
->remote
->fetch_tags
== 2)
704 if (transport
->remote
->fetch_tags
== -1)
708 if (!transport
->get_refs_list
|| !transport
->fetch
)
709 die(_("Don't know how to fetch from %s"), transport
->url
);
711 /* if not appending, truncate FETCH_HEAD */
712 if (!append
&& !dry_run
) {
713 int errcode
= truncate_fetch_head();
718 ref_map
= get_ref_map(transport
, refs
, ref_count
, tags
, &autotags
);
720 check_not_current_branch(ref_map
);
722 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
724 peer_item
= string_list_lookup(&existing_refs
,
727 hashcpy(rm
->peer_ref
->old_sha1
,
732 if (tags
== TAGS_DEFAULT
&& autotags
)
733 transport_set_option(transport
, TRANS_OPT_FOLLOWTAGS
, "1");
734 if (fetch_refs(transport
, ref_map
)) {
739 /* If --tags was specified, pretend the user gave us the canonical tags refspec */
740 if (tags
== TAGS_SET
) {
741 const char *tags_str
= "refs/tags/*:refs/tags/*";
742 struct refspec
*tags_refspec
, *refspec
;
744 /* Copy the refspec and add the tags to it */
745 refspec
= xcalloc(ref_count
+ 1, sizeof(struct refspec
));
746 tags_refspec
= parse_fetch_refspec(1, &tags_str
);
747 memcpy(refspec
, refs
, ref_count
* sizeof(struct refspec
));
748 memcpy(&refspec
[ref_count
], tags_refspec
, sizeof(struct refspec
));
751 prune_refs(refspec
, ref_count
, ref_map
);
754 /* The rest of the strings belong to fetch_one */
755 free_refspec(1, tags_refspec
);
757 } else if (ref_count
) {
758 prune_refs(refs
, ref_count
, ref_map
);
760 prune_refs(transport
->remote
->fetch
, transport
->remote
->fetch_refspec_nr
, ref_map
);
765 /* if neither --no-tags nor --tags was specified, do automated tag
767 if (tags
== TAGS_DEFAULT
&& autotags
) {
768 struct ref
**tail
= &ref_map
;
770 find_non_local_tags(transport
, &ref_map
, &tail
);
772 transport_set_option(transport
, TRANS_OPT_FOLLOWTAGS
, NULL
);
773 transport_set_option(transport
, TRANS_OPT_DEPTH
, "0");
774 fetch_refs(transport
, ref_map
);
782 static void set_option(const char *name
, const char *value
)
784 int r
= transport_set_option(transport
, name
, value
);
786 die(_("Option \"%s\" value \"%s\" is not valid for %s"),
787 name
, value
, transport
->url
);
789 warning(_("Option \"%s\" is ignored for %s\n"),
790 name
, transport
->url
);
793 static int get_one_remote_for_fetch(struct remote
*remote
, void *priv
)
795 struct string_list
*list
= priv
;
796 if (!remote
->skip_default_update
)
797 string_list_append(list
, remote
->name
);
801 struct remote_group_data
{
803 struct string_list
*list
;
806 static int get_remote_group(const char *key
, const char *value
, void *priv
)
808 struct remote_group_data
*g
= priv
;
810 if (!prefixcmp(key
, "remotes.") &&
811 !strcmp(key
+ 8, g
->name
)) {
812 /* split list by white space */
813 int space
= strcspn(value
, " \t\n");
816 string_list_append(g
->list
,
817 xstrndup(value
, space
));
819 value
+= space
+ (value
[space
] != '\0');
820 space
= strcspn(value
, " \t\n");
827 static int add_remote_or_group(const char *name
, struct string_list
*list
)
829 int prev_nr
= list
->nr
;
830 struct remote_group_data g
;
831 g
.name
= name
; g
.list
= list
;
833 git_config(get_remote_group
, &g
);
834 if (list
->nr
== prev_nr
) {
835 struct remote
*remote
;
836 if (!remote_is_configured(name
))
838 remote
= remote_get(name
);
839 string_list_append(list
, remote
->name
);
844 static void add_options_to_argv(int *argc
, const char **argv
)
847 argv
[(*argc
)++] = "--dry-run";
849 argv
[(*argc
)++] = "--prune";
851 argv
[(*argc
)++] = "--update-head-ok";
853 argv
[(*argc
)++] = "--force";
855 argv
[(*argc
)++] = "--keep";
856 if (recurse_submodules
== RECURSE_SUBMODULES_ON
)
857 argv
[(*argc
)++] = "--recurse-submodules";
858 else if (recurse_submodules
== RECURSE_SUBMODULES_ON_DEMAND
)
859 argv
[(*argc
)++] = "--recurse-submodules=on-demand";
861 argv
[(*argc
)++] = "-v";
863 argv
[(*argc
)++] = "-v";
864 else if (verbosity
< 0)
865 argv
[(*argc
)++] = "-q";
869 static int fetch_multiple(struct string_list
*list
)
872 const char *argv
[12] = { "fetch", "--append" };
875 add_options_to_argv(&argc
, argv
);
877 if (!append
&& !dry_run
) {
878 int errcode
= truncate_fetch_head();
883 for (i
= 0; i
< list
->nr
; i
++) {
884 const char *name
= list
->items
[i
].string
;
886 argv
[argc
+ 1] = NULL
;
888 printf(_("Fetching %s\n"), name
);
889 if (run_command_v_opt(argv
, RUN_GIT_CMD
)) {
890 error(_("Could not fetch %s"), name
);
898 static int fetch_one(struct remote
*remote
, int argc
, const char **argv
)
901 static const char **refs
= NULL
;
902 struct refspec
*refspec
;
907 die(_("No remote repository specified. Please, specify either a URL or a\n"
908 "remote name from which new revisions should be fetched."));
910 transport
= transport_get(remote
, NULL
);
911 transport_set_verbosity(transport
, verbosity
, progress
);
913 set_option(TRANS_OPT_UPLOADPACK
, upload_pack
);
915 set_option(TRANS_OPT_KEEP
, "yes");
917 set_option(TRANS_OPT_DEPTH
, depth
);
921 refs
= xcalloc(argc
+ 1, sizeof(const char *));
922 for (i
= 0; i
< argc
; i
++) {
923 if (!strcmp(argv
[i
], "tag")) {
927 die(_("You need to specify a tag name."));
928 ref
= xmalloc(strlen(argv
[i
]) * 2 + 22);
929 strcpy(ref
, "refs/tags/");
930 strcat(ref
, argv
[i
]);
931 strcat(ref
, ":refs/tags/");
932 strcat(ref
, argv
[i
]);
941 sigchain_push_common(unlock_pack_on_signal
);
943 refspec
= parse_fetch_refspec(ref_nr
, refs
);
944 exit_code
= do_fetch(transport
, refspec
, ref_nr
);
945 free_refspec(ref_nr
, refspec
);
946 transport_disconnect(transport
);
951 int cmd_fetch(int argc
, const char **argv
, const char *prefix
)
954 struct string_list list
= STRING_LIST_INIT_NODUP
;
955 struct remote
*remote
;
958 packet_trace_identity("fetch");
960 /* Record the command line for the reflog */
961 strbuf_addstr(&default_rla
, "fetch");
962 for (i
= 1; i
< argc
; i
++)
963 strbuf_addf(&default_rla
, " %s", argv
[i
]);
965 argc
= parse_options(argc
, argv
, prefix
,
966 builtin_fetch_options
, builtin_fetch_usage
, 0);
968 if (recurse_submodules
!= RECURSE_SUBMODULES_OFF
) {
969 if (recurse_submodules_default
) {
970 int arg
= parse_fetch_recurse_submodules_arg("--recurse-submodules-default", recurse_submodules_default
);
971 set_config_fetch_recurse_submodules(arg
);
974 git_config(submodule_config
, NULL
);
979 die(_("fetch --all does not take a repository argument"));
981 die(_("fetch --all does not make sense with refspecs"));
982 (void) for_each_remote(get_one_remote_for_fetch
, &list
);
983 result
= fetch_multiple(&list
);
984 } else if (argc
== 0) {
985 /* No arguments -- use default remote */
986 remote
= remote_get(NULL
);
987 result
= fetch_one(remote
, argc
, argv
);
988 } else if (multiple
) {
989 /* All arguments are assumed to be remotes or groups */
990 for (i
= 0; i
< argc
; i
++)
991 if (!add_remote_or_group(argv
[i
], &list
))
992 die(_("No such remote or remote group: %s"), argv
[i
]);
993 result
= fetch_multiple(&list
);
995 /* Single remote or group */
996 (void) add_remote_or_group(argv
[0], &list
);
998 /* More than one remote */
1000 die(_("Fetching a group and specifying refspecs does not make sense"));
1001 result
= fetch_multiple(&list
);
1003 /* Zero or one remotes */
1004 remote
= remote_get(argv
[0]);
1005 result
= fetch_one(remote
, argc
-1, argv
+1);
1009 if (!result
&& (recurse_submodules
!= RECURSE_SUBMODULES_OFF
)) {
1010 const char *options
[10];
1011 int num_options
= 0;
1012 add_options_to_argv(&num_options
, options
);
1013 result
= fetch_populated_submodules(num_options
, options
,
1019 /* All names were strdup()ed or strndup()ed */
1020 list
.strdup_strings
= 1;
1021 string_list_clear(&list
, 0);