6 #include "repository.h"
9 #include "object-store.h"
12 #include "string-list.h"
14 #include "transport.h"
15 #include "run-command.h"
16 #include "parse-options.h"
18 #include "submodule-config.h"
19 #include "submodule.h"
20 #include "connected.h"
21 #include "argv-array.h"
24 #include "list-objects-filter-options.h"
25 #include "commit-reach.h"
27 #define FORCED_UPDATES_DELAY_WARNING_IN_MS (10 * 1000)
29 static const char * const builtin_fetch_usage
[] = {
30 N_("git fetch [<options>] [<repository> [<refspec>...]]"),
31 N_("git fetch [<options>] <group>"),
32 N_("git fetch --multiple [<options>] [(<repository> | <group>)...]"),
33 N_("git fetch --all [<options>]"),
43 static int fetch_prune_config
= -1; /* unspecified */
44 static int fetch_show_forced_updates
= 1;
45 static uint64_t forced_updates_ms
= 0;
46 static int prune
= -1; /* unspecified */
47 #define PRUNE_BY_DEFAULT 0 /* do we prune by default? */
49 static int fetch_prune_tags_config
= -1; /* unspecified */
50 static int prune_tags
= -1; /* unspecified */
51 #define PRUNE_TAGS_BY_DEFAULT 0 /* do we prune tags by default? */
53 static int all
, append
, dry_run
, force
, keep
, multiple
, update_head_ok
, verbosity
, deepen_relative
;
54 static int progress
= -1;
55 static int enable_auto_gc
= 1;
56 static int tags
= TAGS_DEFAULT
, unshallow
, update_shallow
, deepen
;
57 static int max_children
= 1;
58 static enum transport_family family
;
59 static const char *depth
;
60 static const char *deepen_since
;
61 static const char *upload_pack
;
62 static struct string_list deepen_not
= STRING_LIST_INIT_NODUP
;
63 static struct strbuf default_rla
= STRBUF_INIT
;
64 static struct transport
*gtransport
;
65 static struct transport
*gsecondary
;
66 static const char *submodule_prefix
= "";
67 static int recurse_submodules
= RECURSE_SUBMODULES_DEFAULT
;
68 static int recurse_submodules_default
= RECURSE_SUBMODULES_ON_DEMAND
;
69 static int shown_url
= 0;
70 static struct refspec refmap
= REFSPEC_INIT_FETCH
;
71 static struct list_objects_filter_options filter_options
;
72 static struct string_list server_options
= STRING_LIST_INIT_DUP
;
73 static struct string_list negotiation_tip
= STRING_LIST_INIT_NODUP
;
75 static int git_fetch_config(const char *k
, const char *v
, void *cb
)
77 if (!strcmp(k
, "fetch.prune")) {
78 fetch_prune_config
= git_config_bool(k
, v
);
82 if (!strcmp(k
, "fetch.prunetags")) {
83 fetch_prune_tags_config
= git_config_bool(k
, v
);
87 if (!strcmp(k
, "fetch.showforcedupdates")) {
88 fetch_show_forced_updates
= git_config_bool(k
, v
);
92 if (!strcmp(k
, "submodule.recurse")) {
93 int r
= git_config_bool(k
, v
) ?
94 RECURSE_SUBMODULES_ON
: RECURSE_SUBMODULES_OFF
;
95 recurse_submodules
= r
;
98 if (!strcmp(k
, "submodule.fetchjobs")) {
99 max_children
= parse_submodule_fetchjobs(k
, v
);
101 } else if (!strcmp(k
, "fetch.recursesubmodules")) {
102 recurse_submodules
= parse_fetch_recurse_submodules_arg(k
, v
);
106 return git_default_config(k
, v
, cb
);
109 static int parse_refmap_arg(const struct option
*opt
, const char *arg
, int unset
)
111 BUG_ON_OPT_NEG(unset
);
114 * "git fetch --refmap='' origin foo"
115 * can be used to tell the command not to store anywhere
117 refspec_append(&refmap
, arg
);
122 static struct option builtin_fetch_options
[] = {
123 OPT__VERBOSITY(&verbosity
),
124 OPT_BOOL(0, "all", &all
,
125 N_("fetch from all remotes")),
126 OPT_BOOL('a', "append", &append
,
127 N_("append to .git/FETCH_HEAD instead of overwriting")),
128 OPT_STRING(0, "upload-pack", &upload_pack
, N_("path"),
129 N_("path to upload pack on remote end")),
130 OPT__FORCE(&force
, N_("force overwrite of local reference"), 0),
131 OPT_BOOL('m', "multiple", &multiple
,
132 N_("fetch from multiple remotes")),
133 OPT_SET_INT('t', "tags", &tags
,
134 N_("fetch all tags and associated objects"), TAGS_SET
),
135 OPT_SET_INT('n', NULL
, &tags
,
136 N_("do not fetch all tags (--no-tags)"), TAGS_UNSET
),
137 OPT_INTEGER('j', "jobs", &max_children
,
138 N_("number of submodules fetched in parallel")),
139 OPT_BOOL('p', "prune", &prune
,
140 N_("prune remote-tracking branches no longer on remote")),
141 OPT_BOOL('P', "prune-tags", &prune_tags
,
142 N_("prune local tags no longer on remote and clobber changed tags")),
143 { OPTION_CALLBACK
, 0, "recurse-submodules", &recurse_submodules
, N_("on-demand"),
144 N_("control recursive fetching of submodules"),
145 PARSE_OPT_OPTARG
, option_fetch_parse_recurse_submodules
},
146 OPT_BOOL(0, "dry-run", &dry_run
,
148 OPT_BOOL('k', "keep", &keep
, N_("keep downloaded pack")),
149 OPT_BOOL('u', "update-head-ok", &update_head_ok
,
150 N_("allow updating of HEAD ref")),
151 OPT_BOOL(0, "progress", &progress
, N_("force progress reporting")),
152 OPT_STRING(0, "depth", &depth
, N_("depth"),
153 N_("deepen history of shallow clone")),
154 OPT_STRING(0, "shallow-since", &deepen_since
, N_("time"),
155 N_("deepen history of shallow repository based on time")),
156 OPT_STRING_LIST(0, "shallow-exclude", &deepen_not
, N_("revision"),
157 N_("deepen history of shallow clone, excluding rev")),
158 OPT_INTEGER(0, "deepen", &deepen_relative
,
159 N_("deepen history of shallow clone")),
160 OPT_SET_INT_F(0, "unshallow", &unshallow
,
161 N_("convert to a complete repository"),
163 { OPTION_STRING
, 0, "submodule-prefix", &submodule_prefix
, N_("dir"),
164 N_("prepend this to submodule path output"), PARSE_OPT_HIDDEN
},
165 { OPTION_CALLBACK
, 0, "recurse-submodules-default",
166 &recurse_submodules_default
, N_("on-demand"),
167 N_("default for recursive fetching of submodules "
168 "(lower priority than config files)"),
169 PARSE_OPT_HIDDEN
, option_fetch_parse_recurse_submodules
},
170 OPT_BOOL(0, "update-shallow", &update_shallow
,
171 N_("accept refs that update .git/shallow")),
172 { OPTION_CALLBACK
, 0, "refmap", NULL
, N_("refmap"),
173 N_("specify fetch refmap"), PARSE_OPT_NONEG
, parse_refmap_arg
},
174 OPT_STRING_LIST('o', "server-option", &server_options
, N_("server-specific"), N_("option to transmit")),
175 OPT_SET_INT('4', "ipv4", &family
, N_("use IPv4 addresses only"),
176 TRANSPORT_FAMILY_IPV4
),
177 OPT_SET_INT('6', "ipv6", &family
, N_("use IPv6 addresses only"),
178 TRANSPORT_FAMILY_IPV6
),
179 OPT_STRING_LIST(0, "negotiation-tip", &negotiation_tip
, N_("revision"),
180 N_("report that we have only objects reachable from this object")),
181 OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options
),
182 OPT_BOOL(0, "auto-gc", &enable_auto_gc
,
183 N_("run 'gc --auto' after fetching")),
184 OPT_BOOL(0, "show-forced-updates", &fetch_show_forced_updates
,
185 N_("check for forced-updates on all updated branches")),
189 static void unlock_pack(void)
192 transport_unlock_pack(gtransport
);
194 transport_unlock_pack(gsecondary
);
197 static void unlock_pack_on_signal(int signo
)
204 static void add_merge_config(struct ref
**head
,
205 const struct ref
*remote_refs
,
206 struct branch
*branch
,
211 for (i
= 0; i
< branch
->merge_nr
; i
++) {
212 struct ref
*rm
, **old_tail
= *tail
;
213 struct refspec_item refspec
;
215 for (rm
= *head
; rm
; rm
= rm
->next
) {
216 if (branch_merge_matches(branch
, i
, rm
->name
)) {
217 rm
->fetch_head_status
= FETCH_HEAD_MERGE
;
225 * Not fetched to a remote-tracking branch? We need to fetch
226 * it anyway to allow this branch's "branch.$name.merge"
227 * to be honored by 'git pull', but we do not have to
228 * fail if branch.$name.merge is misconfigured to point
229 * at a nonexisting branch. If we were indeed called by
230 * 'git pull', it will notice the misconfiguration because
231 * there is no entry in the resulting FETCH_HEAD marked
234 memset(&refspec
, 0, sizeof(refspec
));
235 refspec
.src
= branch
->merge
[i
]->src
;
236 get_fetch_map(remote_refs
, &refspec
, tail
, 1);
237 for (rm
= *old_tail
; rm
; rm
= rm
->next
)
238 rm
->fetch_head_status
= FETCH_HEAD_MERGE
;
242 static int will_fetch(struct ref
**head
, const unsigned char *sha1
)
244 struct ref
*rm
= *head
;
246 if (hasheq(rm
->old_oid
.hash
, sha1
))
253 struct refname_hash_entry
{
254 struct hashmap_entry ent
; /* must be the first member */
255 struct object_id oid
;
257 char refname
[FLEX_ARRAY
];
260 static int refname_hash_entry_cmp(const void *hashmap_cmp_fn_data
,
265 const struct refname_hash_entry
*e1
= e1_
;
266 const struct refname_hash_entry
*e2
= e2_
;
268 return strcmp(e1
->refname
, keydata
? keydata
: e2
->refname
);
271 static struct refname_hash_entry
*refname_hash_add(struct hashmap
*map
,
273 const struct object_id
*oid
)
275 struct refname_hash_entry
*ent
;
276 size_t len
= strlen(refname
);
278 FLEX_ALLOC_MEM(ent
, refname
, refname
, len
);
279 hashmap_entry_init(ent
, strhash(refname
));
280 oidcpy(&ent
->oid
, oid
);
281 hashmap_add(map
, ent
);
285 static int add_one_refname(const char *refname
,
286 const struct object_id
*oid
,
287 int flag
, void *cbdata
)
289 struct hashmap
*refname_map
= cbdata
;
291 (void) refname_hash_add(refname_map
, refname
, oid
);
295 static void refname_hash_init(struct hashmap
*map
)
297 hashmap_init(map
, refname_hash_entry_cmp
, NULL
, 0);
300 static int refname_hash_exists(struct hashmap
*map
, const char *refname
)
302 return !!hashmap_get_from_hash(map
, strhash(refname
), refname
);
305 static void clear_item(struct refname_hash_entry
*item
)
310 static void find_non_local_tags(const struct ref
*refs
,
314 struct hashmap existing_refs
;
315 struct hashmap remote_refs
;
316 struct string_list remote_refs_list
= STRING_LIST_INIT_NODUP
;
317 struct string_list_item
*remote_ref_item
;
318 const struct ref
*ref
;
319 struct refname_hash_entry
*item
= NULL
;
321 refname_hash_init(&existing_refs
);
322 refname_hash_init(&remote_refs
);
324 for_each_ref(add_one_refname
, &existing_refs
);
325 for (ref
= refs
; ref
; ref
= ref
->next
) {
326 if (!starts_with(ref
->name
, "refs/tags/"))
330 * The peeled ref always follows the matching base
331 * ref, so if we see a peeled ref that we don't want
332 * to fetch then we can mark the ref entry in the list
333 * as one to ignore by setting util to NULL.
335 if (ends_with(ref
->name
, "^{}")) {
337 !has_object_file_with_flags(&ref
->old_oid
,
338 OBJECT_INFO_QUICK
) &&
339 !will_fetch(head
, ref
->old_oid
.hash
) &&
340 !has_object_file_with_flags(&item
->oid
, OBJECT_INFO_QUICK
) &&
341 !will_fetch(head
, item
->oid
.hash
))
348 * If item is non-NULL here, then we previously saw a
349 * ref not followed by a peeled reference, so we need
350 * to check if it is a lightweight tag that we want to
354 !has_object_file_with_flags(&item
->oid
, OBJECT_INFO_QUICK
) &&
355 !will_fetch(head
, item
->oid
.hash
))
360 /* skip duplicates and refs that we already have */
361 if (refname_hash_exists(&remote_refs
, ref
->name
) ||
362 refname_hash_exists(&existing_refs
, ref
->name
))
365 item
= refname_hash_add(&remote_refs
, ref
->name
, &ref
->old_oid
);
366 string_list_insert(&remote_refs_list
, ref
->name
);
368 hashmap_free(&existing_refs
, 1);
371 * We may have a final lightweight tag that needs to be
372 * checked to see if it needs fetching.
375 !has_object_file_with_flags(&item
->oid
, OBJECT_INFO_QUICK
) &&
376 !will_fetch(head
, item
->oid
.hash
))
380 * For all the tags in the remote_refs_list,
381 * add them to the list of refs to be fetched
383 for_each_string_list_item(remote_ref_item
, &remote_refs_list
) {
384 const char *refname
= remote_ref_item
->string
;
387 item
= hashmap_get_from_hash(&remote_refs
, strhash(refname
), refname
);
389 BUG("unseen remote ref?");
391 /* Unless we have already decided to ignore this item... */
395 rm
= alloc_ref(item
->refname
);
396 rm
->peer_ref
= alloc_ref(item
->refname
);
397 oidcpy(&rm
->old_oid
, &item
->oid
);
401 hashmap_free(&remote_refs
, 1);
402 string_list_clear(&remote_refs_list
, 0);
405 static struct ref
*get_ref_map(struct remote
*remote
,
406 const struct ref
*remote_refs
,
408 int tags
, int *autotags
)
412 struct ref
*ref_map
= NULL
;
413 struct ref
**tail
= &ref_map
;
415 /* opportunistically-updated references: */
416 struct ref
*orefs
= NULL
, **oref_tail
= &orefs
;
418 struct hashmap existing_refs
;
421 struct refspec
*fetch_refspec
;
423 for (i
= 0; i
< rs
->nr
; i
++) {
424 get_fetch_map(remote_refs
, &rs
->items
[i
], &tail
, 0);
425 if (rs
->items
[i
].dst
&& rs
->items
[i
].dst
[0])
428 /* Merge everything on the command line (but not --tags) */
429 for (rm
= ref_map
; rm
; rm
= rm
->next
)
430 rm
->fetch_head_status
= FETCH_HEAD_MERGE
;
433 * For any refs that we happen to be fetching via
434 * command-line arguments, the destination ref might
435 * have been missing or have been different than the
436 * remote-tracking ref that would be derived from the
437 * configured refspec. In these cases, we want to
438 * take the opportunity to update their configured
439 * remote-tracking reference. However, we do not want
440 * to mention these entries in FETCH_HEAD at all, as
441 * they would simply be duplicates of existing
442 * entries, so we set them FETCH_HEAD_IGNORE below.
444 * We compute these entries now, based only on the
445 * refspecs specified on the command line. But we add
446 * them to the list following the refspecs resulting
447 * from the tags option so that one of the latter,
448 * which has FETCH_HEAD_NOT_FOR_MERGE, is not removed
449 * by ref_remove_duplicates() in favor of one of these
450 * opportunistic entries with FETCH_HEAD_IGNORE.
453 fetch_refspec
= &refmap
;
455 fetch_refspec
= &remote
->fetch
;
457 for (i
= 0; i
< fetch_refspec
->nr
; i
++)
458 get_fetch_map(ref_map
, &fetch_refspec
->items
[i
], &oref_tail
, 1);
459 } else if (refmap
.nr
) {
460 die("--refmap option is only meaningful with command-line refspec(s).");
462 /* Use the defaults */
463 struct branch
*branch
= branch_get(NULL
);
464 int has_merge
= branch_has_merge_config(branch
);
467 /* Note: has_merge implies non-NULL branch->remote_name */
468 (has_merge
&& !strcmp(branch
->remote_name
, remote
->name
)))) {
469 for (i
= 0; i
< remote
->fetch
.nr
; i
++) {
470 get_fetch_map(remote_refs
, &remote
->fetch
.items
[i
], &tail
, 0);
471 if (remote
->fetch
.items
[i
].dst
&&
472 remote
->fetch
.items
[i
].dst
[0])
474 if (!i
&& !has_merge
&& ref_map
&&
475 !remote
->fetch
.items
[0].pattern
)
476 ref_map
->fetch_head_status
= FETCH_HEAD_MERGE
;
479 * if the remote we're fetching from is the same
480 * as given in branch.<name>.remote, we add the
481 * ref given in branch.<name>.merge, too.
483 * Note: has_merge implies non-NULL branch->remote_name
486 !strcmp(branch
->remote_name
, remote
->name
))
487 add_merge_config(&ref_map
, remote_refs
, branch
, &tail
);
489 ref_map
= get_remote_ref(remote_refs
, "HEAD");
491 die(_("Couldn't find remote ref HEAD"));
492 ref_map
->fetch_head_status
= FETCH_HEAD_MERGE
;
493 tail
= &ref_map
->next
;
497 if (tags
== TAGS_SET
)
498 /* also fetch all tags */
499 get_fetch_map(remote_refs
, tag_refspec
, &tail
, 0);
500 else if (tags
== TAGS_DEFAULT
&& *autotags
)
501 find_non_local_tags(remote_refs
, &ref_map
, &tail
);
503 /* Now append any refs to be updated opportunistically: */
505 for (rm
= orefs
; rm
; rm
= rm
->next
) {
506 rm
->fetch_head_status
= FETCH_HEAD_IGNORE
;
510 ref_map
= ref_remove_duplicates(ref_map
);
512 refname_hash_init(&existing_refs
);
513 for_each_ref(add_one_refname
, &existing_refs
);
515 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
517 const char *refname
= rm
->peer_ref
->name
;
518 struct refname_hash_entry
*peer_item
;
520 peer_item
= hashmap_get_from_hash(&existing_refs
,
524 struct object_id
*old_oid
= &peer_item
->oid
;
525 oidcpy(&rm
->peer_ref
->old_oid
, old_oid
);
529 hashmap_free(&existing_refs
, 1);
534 #define STORE_REF_ERROR_OTHER 1
535 #define STORE_REF_ERROR_DF_CONFLICT 2
537 static int s_update_ref(const char *action
,
542 char *rla
= getenv("GIT_REFLOG_ACTION");
543 struct ref_transaction
*transaction
;
544 struct strbuf err
= STRBUF_INIT
;
545 int ret
, df_conflict
= 0;
550 rla
= default_rla
.buf
;
551 msg
= xstrfmt("%s: %s", rla
, action
);
553 transaction
= ref_transaction_begin(&err
);
555 ref_transaction_update(transaction
, ref
->name
,
557 check_old
? &ref
->old_oid
: NULL
,
561 ret
= ref_transaction_commit(transaction
, &err
);
563 df_conflict
= (ret
== TRANSACTION_NAME_CONFLICT
);
567 ref_transaction_free(transaction
);
568 strbuf_release(&err
);
572 ref_transaction_free(transaction
);
573 error("%s", err
.buf
);
574 strbuf_release(&err
);
576 return df_conflict
? STORE_REF_ERROR_DF_CONFLICT
577 : STORE_REF_ERROR_OTHER
;
580 static int refcol_width
= 10;
581 static int compact_format
;
583 static void adjust_refcol_width(const struct ref
*ref
)
585 int max
, rlen
, llen
, len
;
587 /* uptodate lines are only shown on high verbosity level */
588 if (!verbosity
&& oideq(&ref
->peer_ref
->old_oid
, &ref
->old_oid
))
591 max
= term_columns();
592 rlen
= utf8_strwidth(prettify_refname(ref
->name
));
594 llen
= utf8_strwidth(prettify_refname(ref
->peer_ref
->name
));
597 * rough estimation to see if the output line is too long and
598 * should not be counted (we can't do precise calculation
599 * anyway because we don't know if the error explanation part
600 * will be printed in update_local_ref)
602 if (compact_format
) {
606 len
= 21 /* flag and summary */ + rlen
+ 4 /* -> */ + llen
;
611 * Not precise calculation for compact mode because '*' can
612 * appear on the left hand side of '->' and shrink the column
615 if (refcol_width
< rlen
)
619 static void prepare_format_display(struct ref
*ref_map
)
622 const char *format
= "full";
624 git_config_get_string_const("fetch.output", &format
);
625 if (!strcasecmp(format
, "full"))
627 else if (!strcasecmp(format
, "compact"))
630 die(_("configuration fetch.output contains invalid value %s"),
633 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
634 if (rm
->status
== REF_STATUS_REJECT_SHALLOW
||
636 !strcmp(rm
->name
, "HEAD"))
639 adjust_refcol_width(rm
);
643 static void print_remote_to_local(struct strbuf
*display
,
644 const char *remote
, const char *local
)
646 strbuf_addf(display
, "%-*s -> %s", refcol_width
, remote
, local
);
649 static int find_and_replace(struct strbuf
*haystack
,
651 const char *placeholder
)
653 const char *p
= NULL
;
656 nlen
= strlen(needle
);
657 if (ends_with(haystack
->buf
, needle
))
658 p
= haystack
->buf
+ haystack
->len
- nlen
;
660 p
= strstr(haystack
->buf
, needle
);
664 if (p
> haystack
->buf
&& p
[-1] != '/')
668 if (plen
> nlen
&& p
[nlen
] != '/')
671 strbuf_splice(haystack
, p
- haystack
->buf
, nlen
,
672 placeholder
, strlen(placeholder
));
676 static void print_compact(struct strbuf
*display
,
677 const char *remote
, const char *local
)
679 struct strbuf r
= STRBUF_INIT
;
680 struct strbuf l
= STRBUF_INIT
;
682 if (!strcmp(remote
, local
)) {
683 strbuf_addf(display
, "%-*s -> *", refcol_width
, remote
);
687 strbuf_addstr(&r
, remote
);
688 strbuf_addstr(&l
, local
);
690 if (!find_and_replace(&r
, local
, "*"))
691 find_and_replace(&l
, remote
, "*");
692 print_remote_to_local(display
, r
.buf
, l
.buf
);
698 static void format_display(struct strbuf
*display
, char code
,
699 const char *summary
, const char *error
,
700 const char *remote
, const char *local
,
703 int width
= (summary_width
+ strlen(summary
) - gettext_width(summary
));
705 strbuf_addf(display
, "%c %-*s ", code
, width
, summary
);
707 print_remote_to_local(display
, remote
, local
);
709 print_compact(display
, remote
, local
);
711 strbuf_addf(display
, " (%s)", error
);
714 static int update_local_ref(struct ref
*ref
,
716 const struct ref
*remote_ref
,
717 struct strbuf
*display
,
720 struct commit
*current
= NULL
, *updated
;
721 enum object_type type
;
722 struct branch
*current_branch
= branch_get(NULL
);
723 const char *pretty_ref
= prettify_refname(ref
->name
);
724 int fast_forward
= 0;
726 type
= oid_object_info(the_repository
, &ref
->new_oid
, NULL
);
728 die(_("object %s not found"), oid_to_hex(&ref
->new_oid
));
730 if (oideq(&ref
->old_oid
, &ref
->new_oid
)) {
732 format_display(display
, '=', _("[up to date]"), NULL
,
733 remote
, pretty_ref
, summary_width
);
737 if (current_branch
&&
738 !strcmp(ref
->name
, current_branch
->name
) &&
739 !(update_head_ok
|| is_bare_repository()) &&
740 !is_null_oid(&ref
->old_oid
)) {
742 * If this is the head, and it's not okay to update
743 * the head, and the old value of the head isn't empty...
745 format_display(display
, '!', _("[rejected]"),
746 _("can't fetch in current branch"),
747 remote
, pretty_ref
, summary_width
);
751 if (!is_null_oid(&ref
->old_oid
) &&
752 starts_with(ref
->name
, "refs/tags/")) {
753 if (force
|| ref
->force
) {
755 r
= s_update_ref("updating tag", ref
, 0);
756 format_display(display
, r
? '!' : 't', _("[tag update]"),
757 r
? _("unable to update local ref") : NULL
,
758 remote
, pretty_ref
, summary_width
);
761 format_display(display
, '!', _("[rejected]"), _("would clobber existing tag"),
762 remote
, pretty_ref
, summary_width
);
767 current
= lookup_commit_reference_gently(the_repository
,
769 updated
= lookup_commit_reference_gently(the_repository
,
771 if (!current
|| !updated
) {
776 * Nicely describe the new ref we're fetching.
777 * Base this on the remote's ref name, as it's
778 * more likely to follow a standard layout.
780 const char *name
= remote_ref
? remote_ref
->name
: "";
781 if (starts_with(name
, "refs/tags/")) {
783 what
= _("[new tag]");
784 } else if (starts_with(name
, "refs/heads/")) {
785 msg
= "storing head";
786 what
= _("[new branch]");
789 what
= _("[new ref]");
792 r
= s_update_ref(msg
, ref
, 0);
793 format_display(display
, r
? '!' : '*', what
,
794 r
? _("unable to update local ref") : NULL
,
795 remote
, pretty_ref
, summary_width
);
799 if (fetch_show_forced_updates
) {
800 uint64_t t_before
= getnanotime();
801 fast_forward
= in_merge_bases(current
, updated
);
802 forced_updates_ms
+= (getnanotime() - t_before
) / 1000000;
808 struct strbuf quickref
= STRBUF_INIT
;
811 strbuf_add_unique_abbrev(&quickref
, ¤t
->object
.oid
, DEFAULT_ABBREV
);
812 strbuf_addstr(&quickref
, "..");
813 strbuf_add_unique_abbrev(&quickref
, &ref
->new_oid
, DEFAULT_ABBREV
);
814 r
= s_update_ref("fast-forward", ref
, 1);
815 format_display(display
, r
? '!' : ' ', quickref
.buf
,
816 r
? _("unable to update local ref") : NULL
,
817 remote
, pretty_ref
, summary_width
);
818 strbuf_release(&quickref
);
820 } else if (force
|| ref
->force
) {
821 struct strbuf quickref
= STRBUF_INIT
;
823 strbuf_add_unique_abbrev(&quickref
, ¤t
->object
.oid
, DEFAULT_ABBREV
);
824 strbuf_addstr(&quickref
, "...");
825 strbuf_add_unique_abbrev(&quickref
, &ref
->new_oid
, DEFAULT_ABBREV
);
826 r
= s_update_ref("forced-update", ref
, 1);
827 format_display(display
, r
? '!' : '+', quickref
.buf
,
828 r
? _("unable to update local ref") : _("forced update"),
829 remote
, pretty_ref
, summary_width
);
830 strbuf_release(&quickref
);
833 format_display(display
, '!', _("[rejected]"), _("non-fast-forward"),
834 remote
, pretty_ref
, summary_width
);
839 static int iterate_ref_map(void *cb_data
, struct object_id
*oid
)
841 struct ref
**rm
= cb_data
;
842 struct ref
*ref
= *rm
;
844 while (ref
&& ref
->status
== REF_STATUS_REJECT_SHALLOW
)
847 return -1; /* end of the list */
849 oidcpy(oid
, &ref
->old_oid
);
853 static int store_updated_refs(const char *raw_url
, const char *remote_name
,
854 int connectivity_checked
, struct ref
*ref_map
)
857 struct commit
*commit
;
858 int url_len
, i
, rc
= 0;
859 struct strbuf note
= STRBUF_INIT
;
860 const char *what
, *kind
;
863 const char *filename
= dry_run
? "/dev/null" : git_path_fetch_head(the_repository
);
865 int summary_width
= transport_summary_width(ref_map
);
867 fp
= fopen(filename
, "a");
869 return error_errno(_("cannot open %s"), filename
);
872 url
= transport_anonymize_url(raw_url
);
874 url
= xstrdup("foreign");
876 if (!connectivity_checked
) {
878 if (check_connected(iterate_ref_map
, &rm
, NULL
)) {
879 rc
= error(_("%s did not send all necessary objects\n"), url
);
884 prepare_format_display(ref_map
);
887 * We do a pass for each fetch_head_status type in their enum order, so
888 * merged entries are written before not-for-merge. That lets readers
889 * use FETCH_HEAD as a refname to refer to the ref to be merged.
891 for (want_status
= FETCH_HEAD_MERGE
;
892 want_status
<= FETCH_HEAD_IGNORE
;
894 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
895 struct ref
*ref
= NULL
;
896 const char *merge_status_marker
= "";
898 if (rm
->status
== REF_STATUS_REJECT_SHALLOW
) {
899 if (want_status
== FETCH_HEAD_MERGE
)
900 warning(_("reject %s because shallow roots are not allowed to be updated"),
901 rm
->peer_ref
? rm
->peer_ref
->name
: rm
->name
);
905 commit
= lookup_commit_reference_gently(the_repository
,
909 rm
->fetch_head_status
= FETCH_HEAD_NOT_FOR_MERGE
;
911 if (rm
->fetch_head_status
!= want_status
)
915 ref
= alloc_ref(rm
->peer_ref
->name
);
916 oidcpy(&ref
->old_oid
, &rm
->peer_ref
->old_oid
);
917 oidcpy(&ref
->new_oid
, &rm
->old_oid
);
918 ref
->force
= rm
->peer_ref
->force
;
921 if (recurse_submodules
!= RECURSE_SUBMODULES_OFF
)
922 check_for_new_submodule_commits(&rm
->old_oid
);
924 if (!strcmp(rm
->name
, "HEAD")) {
928 else if (starts_with(rm
->name
, "refs/heads/")) {
930 what
= rm
->name
+ 11;
932 else if (starts_with(rm
->name
, "refs/tags/")) {
934 what
= rm
->name
+ 10;
936 else if (starts_with(rm
->name
, "refs/remotes/")) {
937 kind
= "remote-tracking branch";
938 what
= rm
->name
+ 13;
945 url_len
= strlen(url
);
946 for (i
= url_len
- 1; url
[i
] == '/' && 0 <= i
; i
--)
949 if (4 < i
&& !strncmp(".git", url
+ i
- 3, 4))
955 strbuf_addf(¬e
, "%s ", kind
);
956 strbuf_addf(¬e
, "'%s' of ", what
);
958 switch (rm
->fetch_head_status
) {
959 case FETCH_HEAD_NOT_FOR_MERGE
:
960 merge_status_marker
= "not-for-merge";
962 case FETCH_HEAD_MERGE
:
963 fprintf(fp
, "%s\t%s\t%s",
964 oid_to_hex(&rm
->old_oid
),
967 for (i
= 0; i
< url_len
; ++i
)
975 /* do not write anything to FETCH_HEAD */
981 rc
|= update_local_ref(ref
, what
, rm
, ¬e
,
985 format_display(¬e
, '*',
986 *kind
? kind
: "branch", NULL
,
987 *what
? what
: "HEAD",
988 "FETCH_HEAD", summary_width
);
990 if (verbosity
>= 0 && !shown_url
) {
991 fprintf(stderr
, _("From %.*s\n"),
996 fprintf(stderr
, " %s\n", note
.buf
);
1001 if (rc
& STORE_REF_ERROR_DF_CONFLICT
)
1002 error(_("some local refs could not be updated; try running\n"
1003 " 'git remote prune %s' to remove any old, conflicting "
1004 "branches"), remote_name
);
1006 if (advice_fetch_show_forced_updates
) {
1007 if (!fetch_show_forced_updates
) {
1008 warning(_("Fetch normally indicates which branches had a forced update, but that check has been disabled."));
1009 warning(_("To re-enable, use '--show-forced-updates' flag or run 'git config fetch.showForcedUpdates true'."));
1010 } else if (forced_updates_ms
> FORCED_UPDATES_DELAY_WARNING_IN_MS
) {
1011 warning(_("It took %.2f seconds to check forced updates. You can use '--no-show-forced-updates'\n"),
1012 forced_updates_ms
/ 1000.0);
1013 warning(_("or run 'git config fetch.showForcedUpdates false' to avoid this check.\n"));
1018 strbuf_release(¬e
);
1025 * We would want to bypass the object transfer altogether if
1026 * everything we are going to fetch already exists and is connected
1029 static int check_exist_and_connected(struct ref
*ref_map
)
1031 struct ref
*rm
= ref_map
;
1032 struct check_connected_options opt
= CHECK_CONNECTED_INIT
;
1036 * If we are deepening a shallow clone we already have these
1037 * objects reachable. Running rev-list here will return with
1038 * a good (0) exit status and we'll bypass the fetch that we
1039 * really need to perform. Claiming failure now will ensure
1040 * we perform the network exchange to deepen our history.
1046 * check_connected() allows objects to merely be promised, but
1047 * we need all direct targets to exist.
1049 for (r
= rm
; r
; r
= r
->next
) {
1050 if (!has_object_file(&r
->old_oid
))
1055 return check_connected(iterate_ref_map
, &rm
, &opt
);
1058 static int fetch_refs(struct transport
*transport
, struct ref
*ref_map
)
1060 int ret
= check_exist_and_connected(ref_map
);
1062 ret
= transport_fetch_refs(transport
, ref_map
);
1065 * Keep the new pack's ".keep" file around to allow the caller
1066 * time to update refs to reference the new objects.
1069 transport_unlock_pack(transport
);
1073 /* Update local refs based on the ref values fetched from a remote */
1074 static int consume_refs(struct transport
*transport
, struct ref
*ref_map
)
1076 int connectivity_checked
= transport
->smart_options
1077 ? transport
->smart_options
->connectivity_checked
: 0;
1078 int ret
= store_updated_refs(transport
->url
,
1079 transport
->remote
->name
,
1080 connectivity_checked
,
1082 transport_unlock_pack(transport
);
1086 static int prune_refs(struct refspec
*rs
, struct ref
*ref_map
,
1087 const char *raw_url
)
1089 int url_len
, i
, result
= 0;
1090 struct ref
*ref
, *stale_refs
= get_stale_heads(rs
, ref_map
);
1092 int summary_width
= transport_summary_width(stale_refs
);
1093 const char *dangling_msg
= dry_run
1094 ? _(" (%s will become dangling)")
1095 : _(" (%s has become dangling)");
1098 url
= transport_anonymize_url(raw_url
);
1100 url
= xstrdup("foreign");
1102 url_len
= strlen(url
);
1103 for (i
= url_len
- 1; url
[i
] == '/' && 0 <= i
; i
--)
1107 if (4 < i
&& !strncmp(".git", url
+ i
- 3, 4))
1111 struct string_list refnames
= STRING_LIST_INIT_NODUP
;
1113 for (ref
= stale_refs
; ref
; ref
= ref
->next
)
1114 string_list_append(&refnames
, ref
->name
);
1116 result
= delete_refs("fetch: prune", &refnames
, 0);
1117 string_list_clear(&refnames
, 0);
1120 if (verbosity
>= 0) {
1121 for (ref
= stale_refs
; ref
; ref
= ref
->next
) {
1122 struct strbuf sb
= STRBUF_INIT
;
1124 fprintf(stderr
, _("From %.*s\n"), url_len
, url
);
1127 format_display(&sb
, '-', _("[deleted]"), NULL
,
1128 _("(none)"), prettify_refname(ref
->name
),
1130 fprintf(stderr
, " %s\n",sb
.buf
);
1131 strbuf_release(&sb
);
1132 warn_dangling_symref(stderr
, dangling_msg
, ref
->name
);
1137 free_refs(stale_refs
);
1141 static void check_not_current_branch(struct ref
*ref_map
)
1143 struct branch
*current_branch
= branch_get(NULL
);
1145 if (is_bare_repository() || !current_branch
)
1148 for (; ref_map
; ref_map
= ref_map
->next
)
1149 if (ref_map
->peer_ref
&& !strcmp(current_branch
->refname
,
1150 ref_map
->peer_ref
->name
))
1151 die(_("Refusing to fetch into current branch %s "
1152 "of non-bare repository"), current_branch
->refname
);
1155 static int truncate_fetch_head(void)
1157 const char *filename
= git_path_fetch_head(the_repository
);
1158 FILE *fp
= fopen_for_writing(filename
);
1161 return error_errno(_("cannot open %s"), filename
);
1166 static void set_option(struct transport
*transport
, const char *name
, const char *value
)
1168 int r
= transport_set_option(transport
, name
, value
);
1170 die(_("Option \"%s\" value \"%s\" is not valid for %s"),
1171 name
, value
, transport
->url
);
1173 warning(_("Option \"%s\" is ignored for %s\n"),
1174 name
, transport
->url
);
1178 static int add_oid(const char *refname
, const struct object_id
*oid
, int flags
,
1181 struct oid_array
*oids
= cb_data
;
1183 oid_array_append(oids
, oid
);
1187 static void add_negotiation_tips(struct git_transport_options
*smart_options
)
1189 struct oid_array
*oids
= xcalloc(1, sizeof(*oids
));
1192 for (i
= 0; i
< negotiation_tip
.nr
; i
++) {
1193 const char *s
= negotiation_tip
.items
[i
].string
;
1195 if (!has_glob_specials(s
)) {
1196 struct object_id oid
;
1197 if (get_oid(s
, &oid
))
1198 die("%s is not a valid object", s
);
1199 oid_array_append(oids
, &oid
);
1203 for_each_glob_ref(add_oid
, s
, oids
);
1204 if (old_nr
== oids
->nr
)
1205 warning("Ignoring --negotiation-tip=%s because it does not match any refs",
1208 smart_options
->negotiation_tips
= oids
;
1211 static struct transport
*prepare_transport(struct remote
*remote
, int deepen
)
1213 struct transport
*transport
;
1215 transport
= transport_get(remote
, NULL
);
1216 transport_set_verbosity(transport
, verbosity
, progress
);
1217 transport
->family
= family
;
1219 set_option(transport
, TRANS_OPT_UPLOADPACK
, upload_pack
);
1221 set_option(transport
, TRANS_OPT_KEEP
, "yes");
1223 set_option(transport
, TRANS_OPT_DEPTH
, depth
);
1224 if (deepen
&& deepen_since
)
1225 set_option(transport
, TRANS_OPT_DEEPEN_SINCE
, deepen_since
);
1226 if (deepen
&& deepen_not
.nr
)
1227 set_option(transport
, TRANS_OPT_DEEPEN_NOT
,
1228 (const char *)&deepen_not
);
1229 if (deepen_relative
)
1230 set_option(transport
, TRANS_OPT_DEEPEN_RELATIVE
, "yes");
1232 set_option(transport
, TRANS_OPT_UPDATE_SHALLOW
, "yes");
1233 if (filter_options
.choice
) {
1234 struct strbuf expanded_filter_spec
= STRBUF_INIT
;
1235 expand_list_objects_filter_spec(&filter_options
,
1236 &expanded_filter_spec
);
1237 set_option(transport
, TRANS_OPT_LIST_OBJECTS_FILTER
,
1238 expanded_filter_spec
.buf
);
1239 set_option(transport
, TRANS_OPT_FROM_PROMISOR
, "1");
1240 strbuf_release(&expanded_filter_spec
);
1242 if (negotiation_tip
.nr
) {
1243 if (transport
->smart_options
)
1244 add_negotiation_tips(transport
->smart_options
);
1246 warning("Ignoring --negotiation-tip because the protocol does not support it.");
1251 static void backfill_tags(struct transport
*transport
, struct ref
*ref_map
)
1256 * Once we have set TRANS_OPT_DEEPEN_SINCE, we can't unset it
1257 * when remote helper is used (setting it to an empty string
1258 * is not unsetting). We could extend the remote helper
1259 * protocol for that, but for now, just force a new connection
1260 * without deepen-since. Similar story for deepen-not.
1262 cannot_reuse
= transport
->cannot_reuse
||
1263 deepen_since
|| deepen_not
.nr
;
1265 gsecondary
= prepare_transport(transport
->remote
, 0);
1266 transport
= gsecondary
;
1269 transport_set_option(transport
, TRANS_OPT_FOLLOWTAGS
, NULL
);
1270 transport_set_option(transport
, TRANS_OPT_DEPTH
, "0");
1271 transport_set_option(transport
, TRANS_OPT_DEEPEN_RELATIVE
, NULL
);
1272 if (!fetch_refs(transport
, ref_map
))
1273 consume_refs(transport
, ref_map
);
1276 transport_disconnect(gsecondary
);
1281 static int do_fetch(struct transport
*transport
,
1284 struct ref
*ref_map
;
1285 int autotags
= (transport
->remote
->fetch_tags
== 1);
1287 const struct ref
*remote_refs
;
1288 struct argv_array ref_prefixes
= ARGV_ARRAY_INIT
;
1289 int must_list_refs
= 1;
1291 if (tags
== TAGS_DEFAULT
) {
1292 if (transport
->remote
->fetch_tags
== 2)
1294 if (transport
->remote
->fetch_tags
== -1)
1298 /* if not appending, truncate FETCH_HEAD */
1299 if (!append
&& !dry_run
) {
1300 retcode
= truncate_fetch_head();
1308 refspec_ref_prefixes(rs
, &ref_prefixes
);
1311 * We can avoid listing refs if all of them are exact
1315 for (i
= 0; i
< rs
->nr
; i
++) {
1316 if (!rs
->items
[i
].exact_sha1
) {
1321 } else if (transport
->remote
&& transport
->remote
->fetch
.nr
)
1322 refspec_ref_prefixes(&transport
->remote
->fetch
, &ref_prefixes
);
1324 if (tags
== TAGS_SET
|| tags
== TAGS_DEFAULT
) {
1326 if (ref_prefixes
.argc
)
1327 argv_array_push(&ref_prefixes
, "refs/tags/");
1331 remote_refs
= transport_get_remote_refs(transport
, &ref_prefixes
);
1335 argv_array_clear(&ref_prefixes
);
1337 ref_map
= get_ref_map(transport
->remote
, remote_refs
, rs
,
1339 if (!update_head_ok
)
1340 check_not_current_branch(ref_map
);
1342 if (tags
== TAGS_DEFAULT
&& autotags
)
1343 transport_set_option(transport
, TRANS_OPT_FOLLOWTAGS
, "1");
1346 * We only prune based on refspecs specified
1347 * explicitly (via command line or configuration); we
1348 * don't care whether --tags was specified.
1351 prune_refs(rs
, ref_map
, transport
->url
);
1353 prune_refs(&transport
->remote
->fetch
,
1358 if (fetch_refs(transport
, ref_map
) || consume_refs(transport
, ref_map
)) {
1365 /* if neither --no-tags nor --tags was specified, do automated tag
1367 if (tags
== TAGS_DEFAULT
&& autotags
) {
1368 struct ref
**tail
= &ref_map
;
1370 find_non_local_tags(remote_refs
, &ref_map
, &tail
);
1372 backfill_tags(transport
, ref_map
);
1380 static int get_one_remote_for_fetch(struct remote
*remote
, void *priv
)
1382 struct string_list
*list
= priv
;
1383 if (!remote
->skip_default_update
)
1384 string_list_append(list
, remote
->name
);
1388 struct remote_group_data
{
1390 struct string_list
*list
;
1393 static int get_remote_group(const char *key
, const char *value
, void *priv
)
1395 struct remote_group_data
*g
= priv
;
1397 if (skip_prefix(key
, "remotes.", &key
) && !strcmp(key
, g
->name
)) {
1398 /* split list by white space */
1400 size_t wordlen
= strcspn(value
, " \t\n");
1403 string_list_append_nodup(g
->list
,
1404 xstrndup(value
, wordlen
));
1405 value
+= wordlen
+ (value
[wordlen
] != '\0');
1412 static int add_remote_or_group(const char *name
, struct string_list
*list
)
1414 int prev_nr
= list
->nr
;
1415 struct remote_group_data g
;
1416 g
.name
= name
; g
.list
= list
;
1418 git_config(get_remote_group
, &g
);
1419 if (list
->nr
== prev_nr
) {
1420 struct remote
*remote
= remote_get(name
);
1421 if (!remote_is_configured(remote
, 0))
1423 string_list_append(list
, remote
->name
);
1428 static void add_options_to_argv(struct argv_array
*argv
)
1431 argv_array_push(argv
, "--dry-run");
1433 argv_array_push(argv
, prune
? "--prune" : "--no-prune");
1434 if (prune_tags
!= -1)
1435 argv_array_push(argv
, prune_tags
? "--prune-tags" : "--no-prune-tags");
1437 argv_array_push(argv
, "--update-head-ok");
1439 argv_array_push(argv
, "--force");
1441 argv_array_push(argv
, "--keep");
1442 if (recurse_submodules
== RECURSE_SUBMODULES_ON
)
1443 argv_array_push(argv
, "--recurse-submodules");
1444 else if (recurse_submodules
== RECURSE_SUBMODULES_ON_DEMAND
)
1445 argv_array_push(argv
, "--recurse-submodules=on-demand");
1446 if (tags
== TAGS_SET
)
1447 argv_array_push(argv
, "--tags");
1448 else if (tags
== TAGS_UNSET
)
1449 argv_array_push(argv
, "--no-tags");
1451 argv_array_push(argv
, "-v");
1453 argv_array_push(argv
, "-v");
1454 else if (verbosity
< 0)
1455 argv_array_push(argv
, "-q");
1459 static int fetch_multiple(struct string_list
*list
)
1462 struct argv_array argv
= ARGV_ARRAY_INIT
;
1464 if (!append
&& !dry_run
) {
1465 int errcode
= truncate_fetch_head();
1470 argv_array_pushl(&argv
, "fetch", "--append", "--no-auto-gc", NULL
);
1471 add_options_to_argv(&argv
);
1473 for (i
= 0; i
< list
->nr
; i
++) {
1474 const char *name
= list
->items
[i
].string
;
1475 argv_array_push(&argv
, name
);
1477 printf(_("Fetching %s\n"), name
);
1478 if (run_command_v_opt(argv
.argv
, RUN_GIT_CMD
)) {
1479 error(_("Could not fetch %s"), name
);
1482 argv_array_pop(&argv
);
1485 argv_array_clear(&argv
);
1490 * Fetching from the promisor remote should use the given filter-spec
1491 * or inherit the default filter-spec from the config.
1493 static inline void fetch_one_setup_partial(struct remote
*remote
)
1496 * Explicit --no-filter argument overrides everything, regardless
1497 * of any prior partial clones and fetches.
1499 if (filter_options
.no_filter
)
1503 * If no prior partial clone/fetch and the current fetch DID NOT
1504 * request a partial-fetch, do a normal fetch.
1506 if (!repository_format_partial_clone
&& !filter_options
.choice
)
1510 * If this is the FIRST partial-fetch request, we enable partial
1511 * on this repo and remember the given filter-spec as the default
1512 * for subsequent fetches to this remote.
1514 if (!repository_format_partial_clone
&& filter_options
.choice
) {
1515 partial_clone_register(remote
->name
, &filter_options
);
1520 * We are currently limited to only ONE promisor remote and only
1521 * allow partial-fetches from the promisor remote.
1523 if (strcmp(remote
->name
, repository_format_partial_clone
)) {
1524 if (filter_options
.choice
)
1525 die(_("--filter can only be used with the remote "
1526 "configured in extensions.partialClone"));
1531 * Do a partial-fetch from the promisor remote using either the
1532 * explicitly given filter-spec or inherit the filter-spec from
1535 if (!filter_options
.choice
)
1536 partial_clone_get_default_filter_spec(&filter_options
);
1540 static int fetch_one(struct remote
*remote
, int argc
, const char **argv
, int prune_tags_ok
)
1542 struct refspec rs
= REFSPEC_INIT_FETCH
;
1545 int maybe_prune_tags
;
1546 int remote_via_config
= remote_is_configured(remote
, 0);
1549 die(_("No remote repository specified. Please, specify either a URL or a\n"
1550 "remote name from which new revisions should be fetched."));
1552 gtransport
= prepare_transport(remote
, 1);
1555 /* no command line request */
1556 if (0 <= remote
->prune
)
1557 prune
= remote
->prune
;
1558 else if (0 <= fetch_prune_config
)
1559 prune
= fetch_prune_config
;
1561 prune
= PRUNE_BY_DEFAULT
;
1564 if (prune_tags
< 0) {
1565 /* no command line request */
1566 if (0 <= remote
->prune_tags
)
1567 prune_tags
= remote
->prune_tags
;
1568 else if (0 <= fetch_prune_tags_config
)
1569 prune_tags
= fetch_prune_tags_config
;
1571 prune_tags
= PRUNE_TAGS_BY_DEFAULT
;
1574 maybe_prune_tags
= prune_tags_ok
&& prune_tags
;
1575 if (maybe_prune_tags
&& remote_via_config
)
1576 refspec_append(&remote
->fetch
, TAG_REFSPEC
);
1578 if (maybe_prune_tags
&& (argc
|| !remote_via_config
))
1579 refspec_append(&rs
, TAG_REFSPEC
);
1581 for (i
= 0; i
< argc
; i
++) {
1582 if (!strcmp(argv
[i
], "tag")) {
1586 die(_("You need to specify a tag name."));
1588 tag
= xstrfmt("refs/tags/%s:refs/tags/%s",
1590 refspec_append(&rs
, tag
);
1593 refspec_append(&rs
, argv
[i
]);
1597 if (server_options
.nr
)
1598 gtransport
->server_options
= &server_options
;
1600 sigchain_push_common(unlock_pack_on_signal
);
1601 atexit(unlock_pack
);
1602 sigchain_push(SIGPIPE
, SIG_IGN
);
1603 exit_code
= do_fetch(gtransport
, &rs
);
1604 sigchain_pop(SIGPIPE
);
1606 transport_disconnect(gtransport
);
1611 int cmd_fetch(int argc
, const char **argv
, const char *prefix
)
1614 struct string_list list
= STRING_LIST_INIT_DUP
;
1615 struct remote
*remote
= NULL
;
1617 int prune_tags_ok
= 1;
1618 struct argv_array argv_gc_auto
= ARGV_ARRAY_INIT
;
1620 packet_trace_identity("fetch");
1622 fetch_if_missing
= 0;
1624 /* Record the command line for the reflog */
1625 strbuf_addstr(&default_rla
, "fetch");
1626 for (i
= 1; i
< argc
; i
++)
1627 strbuf_addf(&default_rla
, " %s", argv
[i
]);
1629 fetch_config_from_gitmodules(&max_children
, &recurse_submodules
);
1630 git_config(git_fetch_config
, NULL
);
1632 argc
= parse_options(argc
, argv
, prefix
,
1633 builtin_fetch_options
, builtin_fetch_usage
, 0);
1635 if (deepen_relative
) {
1636 if (deepen_relative
< 0)
1637 die(_("Negative depth in --deepen is not supported"));
1639 die(_("--deepen and --depth are mutually exclusive"));
1640 depth
= xstrfmt("%d", deepen_relative
);
1644 die(_("--depth and --unshallow cannot be used together"));
1645 else if (!is_repository_shallow(the_repository
))
1646 die(_("--unshallow on a complete repository does not make sense"));
1648 depth
= xstrfmt("%d", INFINITE_DEPTH
);
1651 /* no need to be strict, transport_set_option() will validate it again */
1652 if (depth
&& atoi(depth
) < 1)
1653 die(_("depth %s is not a positive number"), depth
);
1654 if (depth
|| deepen_since
|| deepen_not
.nr
)
1657 if (filter_options
.choice
&& !repository_format_partial_clone
)
1658 die("--filter can only be used when extensions.partialClone is set");
1662 die(_("fetch --all does not take a repository argument"));
1664 die(_("fetch --all does not make sense with refspecs"));
1665 (void) for_each_remote(get_one_remote_for_fetch
, &list
);
1666 } else if (argc
== 0) {
1667 /* No arguments -- use default remote */
1668 remote
= remote_get(NULL
);
1669 } else if (multiple
) {
1670 /* All arguments are assumed to be remotes or groups */
1671 for (i
= 0; i
< argc
; i
++)
1672 if (!add_remote_or_group(argv
[i
], &list
))
1673 die(_("No such remote or remote group: %s"), argv
[i
]);
1675 /* Single remote or group */
1676 (void) add_remote_or_group(argv
[0], &list
);
1678 /* More than one remote */
1680 die(_("Fetching a group and specifying refspecs does not make sense"));
1682 /* Zero or one remotes */
1683 remote
= remote_get(argv
[0]);
1684 prune_tags_ok
= (argc
== 1);
1691 if (filter_options
.choice
|| repository_format_partial_clone
)
1692 fetch_one_setup_partial(remote
);
1693 result
= fetch_one(remote
, argc
, argv
, prune_tags_ok
);
1695 if (filter_options
.choice
)
1696 die(_("--filter can only be used with the remote "
1697 "configured in extensions.partialclone"));
1698 /* TODO should this also die if we have a previous partial-clone? */
1699 result
= fetch_multiple(&list
);
1702 if (!result
&& (recurse_submodules
!= RECURSE_SUBMODULES_OFF
)) {
1703 struct argv_array options
= ARGV_ARRAY_INIT
;
1705 add_options_to_argv(&options
);
1706 result
= fetch_populated_submodules(the_repository
,
1710 recurse_submodules_default
,
1713 argv_array_clear(&options
);
1716 string_list_clear(&list
, 0);
1718 close_object_store(the_repository
->objects
);
1720 if (enable_auto_gc
) {
1721 argv_array_pushl(&argv_gc_auto
, "gc", "--auto", NULL
);
1723 argv_array_push(&argv_gc_auto
, "--quiet");
1724 run_command_v_opt(argv_gc_auto
.argv
, RUN_GIT_CMD
);
1725 argv_array_clear(&argv_gc_auto
);