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 #include "promisor-remote.h"
29 #define FORCED_UPDATES_DELAY_WARNING_IN_MS (10 * 1000)
31 static const char * const builtin_fetch_usage
[] = {
32 N_("git fetch [<options>] [<repository> [<refspec>...]]"),
33 N_("git fetch [<options>] <group>"),
34 N_("git fetch --multiple [<options>] [(<repository> | <group>)...]"),
35 N_("git fetch --all [<options>]"),
45 static int fetch_prune_config
= -1; /* unspecified */
46 static int fetch_show_forced_updates
= 1;
47 static uint64_t forced_updates_ms
= 0;
48 static int prune
= -1; /* unspecified */
49 #define PRUNE_BY_DEFAULT 0 /* do we prune by default? */
51 static int fetch_prune_tags_config
= -1; /* unspecified */
52 static int prune_tags
= -1; /* unspecified */
53 #define PRUNE_TAGS_BY_DEFAULT 0 /* do we prune tags by default? */
55 static int all
, append
, dry_run
, force
, keep
, multiple
, update_head_ok
;
56 static int verbosity
, deepen_relative
, set_upstream
;
57 static int progress
= -1;
58 static int enable_auto_gc
= 1;
59 static int tags
= TAGS_DEFAULT
, unshallow
, update_shallow
, deepen
;
60 static int max_children
= 1;
61 static enum transport_family family
;
62 static const char *depth
;
63 static const char *deepen_since
;
64 static const char *upload_pack
;
65 static struct string_list deepen_not
= STRING_LIST_INIT_NODUP
;
66 static struct strbuf default_rla
= STRBUF_INIT
;
67 static struct transport
*gtransport
;
68 static struct transport
*gsecondary
;
69 static const char *submodule_prefix
= "";
70 static int recurse_submodules
= RECURSE_SUBMODULES_DEFAULT
;
71 static int recurse_submodules_default
= RECURSE_SUBMODULES_ON_DEMAND
;
72 static int shown_url
= 0;
73 static struct refspec refmap
= REFSPEC_INIT_FETCH
;
74 static struct list_objects_filter_options filter_options
;
75 static struct string_list server_options
= STRING_LIST_INIT_DUP
;
76 static struct string_list negotiation_tip
= STRING_LIST_INIT_NODUP
;
78 static int git_fetch_config(const char *k
, const char *v
, void *cb
)
80 if (!strcmp(k
, "fetch.prune")) {
81 fetch_prune_config
= git_config_bool(k
, v
);
85 if (!strcmp(k
, "fetch.prunetags")) {
86 fetch_prune_tags_config
= git_config_bool(k
, v
);
90 if (!strcmp(k
, "fetch.showforcedupdates")) {
91 fetch_show_forced_updates
= git_config_bool(k
, v
);
95 if (!strcmp(k
, "submodule.recurse")) {
96 int r
= git_config_bool(k
, v
) ?
97 RECURSE_SUBMODULES_ON
: RECURSE_SUBMODULES_OFF
;
98 recurse_submodules
= r
;
101 if (!strcmp(k
, "submodule.fetchjobs")) {
102 max_children
= parse_submodule_fetchjobs(k
, v
);
104 } else if (!strcmp(k
, "fetch.recursesubmodules")) {
105 recurse_submodules
= parse_fetch_recurse_submodules_arg(k
, v
);
109 return git_default_config(k
, v
, cb
);
112 static int parse_refmap_arg(const struct option
*opt
, const char *arg
, int unset
)
114 BUG_ON_OPT_NEG(unset
);
117 * "git fetch --refmap='' origin foo"
118 * can be used to tell the command not to store anywhere
120 refspec_append(&refmap
, arg
);
125 static struct option builtin_fetch_options
[] = {
126 OPT__VERBOSITY(&verbosity
),
127 OPT_BOOL(0, "all", &all
,
128 N_("fetch from all remotes")),
129 OPT_BOOL(0, "set-upstream", &set_upstream
,
130 N_("set upstream for git pull/fetch")),
131 OPT_BOOL('a', "append", &append
,
132 N_("append to .git/FETCH_HEAD instead of overwriting")),
133 OPT_STRING(0, "upload-pack", &upload_pack
, N_("path"),
134 N_("path to upload pack on remote end")),
135 OPT__FORCE(&force
, N_("force overwrite of local reference"), 0),
136 OPT_BOOL('m', "multiple", &multiple
,
137 N_("fetch from multiple remotes")),
138 OPT_SET_INT('t', "tags", &tags
,
139 N_("fetch all tags and associated objects"), TAGS_SET
),
140 OPT_SET_INT('n', NULL
, &tags
,
141 N_("do not fetch all tags (--no-tags)"), TAGS_UNSET
),
142 OPT_INTEGER('j', "jobs", &max_children
,
143 N_("number of submodules fetched in parallel")),
144 OPT_BOOL('p', "prune", &prune
,
145 N_("prune remote-tracking branches no longer on remote")),
146 OPT_BOOL('P', "prune-tags", &prune_tags
,
147 N_("prune local tags no longer on remote and clobber changed tags")),
148 { OPTION_CALLBACK
, 0, "recurse-submodules", &recurse_submodules
, N_("on-demand"),
149 N_("control recursive fetching of submodules"),
150 PARSE_OPT_OPTARG
, option_fetch_parse_recurse_submodules
},
151 OPT_BOOL(0, "dry-run", &dry_run
,
153 OPT_BOOL('k', "keep", &keep
, N_("keep downloaded pack")),
154 OPT_BOOL('u', "update-head-ok", &update_head_ok
,
155 N_("allow updating of HEAD ref")),
156 OPT_BOOL(0, "progress", &progress
, N_("force progress reporting")),
157 OPT_STRING(0, "depth", &depth
, N_("depth"),
158 N_("deepen history of shallow clone")),
159 OPT_STRING(0, "shallow-since", &deepen_since
, N_("time"),
160 N_("deepen history of shallow repository based on time")),
161 OPT_STRING_LIST(0, "shallow-exclude", &deepen_not
, N_("revision"),
162 N_("deepen history of shallow clone, excluding rev")),
163 OPT_INTEGER(0, "deepen", &deepen_relative
,
164 N_("deepen history of shallow clone")),
165 OPT_SET_INT_F(0, "unshallow", &unshallow
,
166 N_("convert to a complete repository"),
168 { OPTION_STRING
, 0, "submodule-prefix", &submodule_prefix
, N_("dir"),
169 N_("prepend this to submodule path output"), PARSE_OPT_HIDDEN
},
170 { OPTION_CALLBACK
, 0, "recurse-submodules-default",
171 &recurse_submodules_default
, N_("on-demand"),
172 N_("default for recursive fetching of submodules "
173 "(lower priority than config files)"),
174 PARSE_OPT_HIDDEN
, option_fetch_parse_recurse_submodules
},
175 OPT_BOOL(0, "update-shallow", &update_shallow
,
176 N_("accept refs that update .git/shallow")),
177 { OPTION_CALLBACK
, 0, "refmap", NULL
, N_("refmap"),
178 N_("specify fetch refmap"), PARSE_OPT_NONEG
, parse_refmap_arg
},
179 OPT_STRING_LIST('o', "server-option", &server_options
, N_("server-specific"), N_("option to transmit")),
180 OPT_SET_INT('4', "ipv4", &family
, N_("use IPv4 addresses only"),
181 TRANSPORT_FAMILY_IPV4
),
182 OPT_SET_INT('6', "ipv6", &family
, N_("use IPv6 addresses only"),
183 TRANSPORT_FAMILY_IPV6
),
184 OPT_STRING_LIST(0, "negotiation-tip", &negotiation_tip
, N_("revision"),
185 N_("report that we have only objects reachable from this object")),
186 OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options
),
187 OPT_BOOL(0, "auto-gc", &enable_auto_gc
,
188 N_("run 'gc --auto' after fetching")),
189 OPT_BOOL(0, "show-forced-updates", &fetch_show_forced_updates
,
190 N_("check for forced-updates on all updated branches")),
194 static void unlock_pack(void)
197 transport_unlock_pack(gtransport
);
199 transport_unlock_pack(gsecondary
);
202 static void unlock_pack_on_signal(int signo
)
209 static void add_merge_config(struct ref
**head
,
210 const struct ref
*remote_refs
,
211 struct branch
*branch
,
216 for (i
= 0; i
< branch
->merge_nr
; i
++) {
217 struct ref
*rm
, **old_tail
= *tail
;
218 struct refspec_item refspec
;
220 for (rm
= *head
; rm
; rm
= rm
->next
) {
221 if (branch_merge_matches(branch
, i
, rm
->name
)) {
222 rm
->fetch_head_status
= FETCH_HEAD_MERGE
;
230 * Not fetched to a remote-tracking branch? We need to fetch
231 * it anyway to allow this branch's "branch.$name.merge"
232 * to be honored by 'git pull', but we do not have to
233 * fail if branch.$name.merge is misconfigured to point
234 * at a nonexisting branch. If we were indeed called by
235 * 'git pull', it will notice the misconfiguration because
236 * there is no entry in the resulting FETCH_HEAD marked
239 memset(&refspec
, 0, sizeof(refspec
));
240 refspec
.src
= branch
->merge
[i
]->src
;
241 get_fetch_map(remote_refs
, &refspec
, tail
, 1);
242 for (rm
= *old_tail
; rm
; rm
= rm
->next
)
243 rm
->fetch_head_status
= FETCH_HEAD_MERGE
;
247 static int will_fetch(struct ref
**head
, const unsigned char *sha1
)
249 struct ref
*rm
= *head
;
251 if (hasheq(rm
->old_oid
.hash
, sha1
))
258 struct refname_hash_entry
{
259 struct hashmap_entry ent
; /* must be the first member */
260 struct object_id oid
;
262 char refname
[FLEX_ARRAY
];
265 static int refname_hash_entry_cmp(const void *hashmap_cmp_fn_data
,
270 const struct refname_hash_entry
*e1
= e1_
;
271 const struct refname_hash_entry
*e2
= e2_
;
273 return strcmp(e1
->refname
, keydata
? keydata
: e2
->refname
);
276 static struct refname_hash_entry
*refname_hash_add(struct hashmap
*map
,
278 const struct object_id
*oid
)
280 struct refname_hash_entry
*ent
;
281 size_t len
= strlen(refname
);
283 FLEX_ALLOC_MEM(ent
, refname
, refname
, len
);
284 hashmap_entry_init(ent
, strhash(refname
));
285 oidcpy(&ent
->oid
, oid
);
286 hashmap_add(map
, ent
);
290 static int add_one_refname(const char *refname
,
291 const struct object_id
*oid
,
292 int flag
, void *cbdata
)
294 struct hashmap
*refname_map
= cbdata
;
296 (void) refname_hash_add(refname_map
, refname
, oid
);
300 static void refname_hash_init(struct hashmap
*map
)
302 hashmap_init(map
, refname_hash_entry_cmp
, NULL
, 0);
305 static int refname_hash_exists(struct hashmap
*map
, const char *refname
)
307 return !!hashmap_get_from_hash(map
, strhash(refname
), refname
);
310 static void clear_item(struct refname_hash_entry
*item
)
315 static void find_non_local_tags(const struct ref
*refs
,
319 struct hashmap existing_refs
;
320 struct hashmap remote_refs
;
321 struct string_list remote_refs_list
= STRING_LIST_INIT_NODUP
;
322 struct string_list_item
*remote_ref_item
;
323 const struct ref
*ref
;
324 struct refname_hash_entry
*item
= NULL
;
326 refname_hash_init(&existing_refs
);
327 refname_hash_init(&remote_refs
);
329 for_each_ref(add_one_refname
, &existing_refs
);
330 for (ref
= refs
; ref
; ref
= ref
->next
) {
331 if (!starts_with(ref
->name
, "refs/tags/"))
335 * The peeled ref always follows the matching base
336 * ref, so if we see a peeled ref that we don't want
337 * to fetch then we can mark the ref entry in the list
338 * as one to ignore by setting util to NULL.
340 if (ends_with(ref
->name
, "^{}")) {
342 !has_object_file_with_flags(&ref
->old_oid
,
343 OBJECT_INFO_QUICK
) &&
344 !will_fetch(head
, ref
->old_oid
.hash
) &&
345 !has_object_file_with_flags(&item
->oid
, OBJECT_INFO_QUICK
) &&
346 !will_fetch(head
, item
->oid
.hash
))
353 * If item is non-NULL here, then we previously saw a
354 * ref not followed by a peeled reference, so we need
355 * to check if it is a lightweight tag that we want to
359 !has_object_file_with_flags(&item
->oid
, OBJECT_INFO_QUICK
) &&
360 !will_fetch(head
, item
->oid
.hash
))
365 /* skip duplicates and refs that we already have */
366 if (refname_hash_exists(&remote_refs
, ref
->name
) ||
367 refname_hash_exists(&existing_refs
, ref
->name
))
370 item
= refname_hash_add(&remote_refs
, ref
->name
, &ref
->old_oid
);
371 string_list_insert(&remote_refs_list
, ref
->name
);
373 hashmap_free(&existing_refs
, 1);
376 * We may have a final lightweight tag that needs to be
377 * checked to see if it needs fetching.
380 !has_object_file_with_flags(&item
->oid
, OBJECT_INFO_QUICK
) &&
381 !will_fetch(head
, item
->oid
.hash
))
385 * For all the tags in the remote_refs_list,
386 * add them to the list of refs to be fetched
388 for_each_string_list_item(remote_ref_item
, &remote_refs_list
) {
389 const char *refname
= remote_ref_item
->string
;
392 item
= hashmap_get_from_hash(&remote_refs
, strhash(refname
), refname
);
394 BUG("unseen remote ref?");
396 /* Unless we have already decided to ignore this item... */
400 rm
= alloc_ref(item
->refname
);
401 rm
->peer_ref
= alloc_ref(item
->refname
);
402 oidcpy(&rm
->old_oid
, &item
->oid
);
406 hashmap_free(&remote_refs
, 1);
407 string_list_clear(&remote_refs_list
, 0);
410 static struct ref
*get_ref_map(struct remote
*remote
,
411 const struct ref
*remote_refs
,
413 int tags
, int *autotags
)
417 struct ref
*ref_map
= NULL
;
418 struct ref
**tail
= &ref_map
;
420 /* opportunistically-updated references: */
421 struct ref
*orefs
= NULL
, **oref_tail
= &orefs
;
423 struct hashmap existing_refs
;
426 struct refspec
*fetch_refspec
;
428 for (i
= 0; i
< rs
->nr
; i
++) {
429 get_fetch_map(remote_refs
, &rs
->items
[i
], &tail
, 0);
430 if (rs
->items
[i
].dst
&& rs
->items
[i
].dst
[0])
433 /* Merge everything on the command line (but not --tags) */
434 for (rm
= ref_map
; rm
; rm
= rm
->next
)
435 rm
->fetch_head_status
= FETCH_HEAD_MERGE
;
438 * For any refs that we happen to be fetching via
439 * command-line arguments, the destination ref might
440 * have been missing or have been different than the
441 * remote-tracking ref that would be derived from the
442 * configured refspec. In these cases, we want to
443 * take the opportunity to update their configured
444 * remote-tracking reference. However, we do not want
445 * to mention these entries in FETCH_HEAD at all, as
446 * they would simply be duplicates of existing
447 * entries, so we set them FETCH_HEAD_IGNORE below.
449 * We compute these entries now, based only on the
450 * refspecs specified on the command line. But we add
451 * them to the list following the refspecs resulting
452 * from the tags option so that one of the latter,
453 * which has FETCH_HEAD_NOT_FOR_MERGE, is not removed
454 * by ref_remove_duplicates() in favor of one of these
455 * opportunistic entries with FETCH_HEAD_IGNORE.
458 fetch_refspec
= &refmap
;
460 fetch_refspec
= &remote
->fetch
;
462 for (i
= 0; i
< fetch_refspec
->nr
; i
++)
463 get_fetch_map(ref_map
, &fetch_refspec
->items
[i
], &oref_tail
, 1);
464 } else if (refmap
.nr
) {
465 die("--refmap option is only meaningful with command-line refspec(s).");
467 /* Use the defaults */
468 struct branch
*branch
= branch_get(NULL
);
469 int has_merge
= branch_has_merge_config(branch
);
472 /* Note: has_merge implies non-NULL branch->remote_name */
473 (has_merge
&& !strcmp(branch
->remote_name
, remote
->name
)))) {
474 for (i
= 0; i
< remote
->fetch
.nr
; i
++) {
475 get_fetch_map(remote_refs
, &remote
->fetch
.items
[i
], &tail
, 0);
476 if (remote
->fetch
.items
[i
].dst
&&
477 remote
->fetch
.items
[i
].dst
[0])
479 if (!i
&& !has_merge
&& ref_map
&&
480 !remote
->fetch
.items
[0].pattern
)
481 ref_map
->fetch_head_status
= FETCH_HEAD_MERGE
;
484 * if the remote we're fetching from is the same
485 * as given in branch.<name>.remote, we add the
486 * ref given in branch.<name>.merge, too.
488 * Note: has_merge implies non-NULL branch->remote_name
491 !strcmp(branch
->remote_name
, remote
->name
))
492 add_merge_config(&ref_map
, remote_refs
, branch
, &tail
);
494 ref_map
= get_remote_ref(remote_refs
, "HEAD");
496 die(_("Couldn't find remote ref HEAD"));
497 ref_map
->fetch_head_status
= FETCH_HEAD_MERGE
;
498 tail
= &ref_map
->next
;
502 if (tags
== TAGS_SET
)
503 /* also fetch all tags */
504 get_fetch_map(remote_refs
, tag_refspec
, &tail
, 0);
505 else if (tags
== TAGS_DEFAULT
&& *autotags
)
506 find_non_local_tags(remote_refs
, &ref_map
, &tail
);
508 /* Now append any refs to be updated opportunistically: */
510 for (rm
= orefs
; rm
; rm
= rm
->next
) {
511 rm
->fetch_head_status
= FETCH_HEAD_IGNORE
;
515 ref_map
= ref_remove_duplicates(ref_map
);
517 refname_hash_init(&existing_refs
);
518 for_each_ref(add_one_refname
, &existing_refs
);
520 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
522 const char *refname
= rm
->peer_ref
->name
;
523 struct refname_hash_entry
*peer_item
;
525 peer_item
= hashmap_get_from_hash(&existing_refs
,
529 struct object_id
*old_oid
= &peer_item
->oid
;
530 oidcpy(&rm
->peer_ref
->old_oid
, old_oid
);
534 hashmap_free(&existing_refs
, 1);
539 #define STORE_REF_ERROR_OTHER 1
540 #define STORE_REF_ERROR_DF_CONFLICT 2
542 static int s_update_ref(const char *action
,
547 char *rla
= getenv("GIT_REFLOG_ACTION");
548 struct ref_transaction
*transaction
;
549 struct strbuf err
= STRBUF_INIT
;
550 int ret
, df_conflict
= 0;
555 rla
= default_rla
.buf
;
556 msg
= xstrfmt("%s: %s", rla
, action
);
558 transaction
= ref_transaction_begin(&err
);
560 ref_transaction_update(transaction
, ref
->name
,
562 check_old
? &ref
->old_oid
: NULL
,
566 ret
= ref_transaction_commit(transaction
, &err
);
568 df_conflict
= (ret
== TRANSACTION_NAME_CONFLICT
);
572 ref_transaction_free(transaction
);
573 strbuf_release(&err
);
577 ref_transaction_free(transaction
);
578 error("%s", err
.buf
);
579 strbuf_release(&err
);
581 return df_conflict
? STORE_REF_ERROR_DF_CONFLICT
582 : STORE_REF_ERROR_OTHER
;
585 static int refcol_width
= 10;
586 static int compact_format
;
588 static void adjust_refcol_width(const struct ref
*ref
)
590 int max
, rlen
, llen
, len
;
592 /* uptodate lines are only shown on high verbosity level */
593 if (!verbosity
&& oideq(&ref
->peer_ref
->old_oid
, &ref
->old_oid
))
596 max
= term_columns();
597 rlen
= utf8_strwidth(prettify_refname(ref
->name
));
599 llen
= utf8_strwidth(prettify_refname(ref
->peer_ref
->name
));
602 * rough estimation to see if the output line is too long and
603 * should not be counted (we can't do precise calculation
604 * anyway because we don't know if the error explanation part
605 * will be printed in update_local_ref)
607 if (compact_format
) {
611 len
= 21 /* flag and summary */ + rlen
+ 4 /* -> */ + llen
;
616 * Not precise calculation for compact mode because '*' can
617 * appear on the left hand side of '->' and shrink the column
620 if (refcol_width
< rlen
)
624 static void prepare_format_display(struct ref
*ref_map
)
627 const char *format
= "full";
629 git_config_get_string_const("fetch.output", &format
);
630 if (!strcasecmp(format
, "full"))
632 else if (!strcasecmp(format
, "compact"))
635 die(_("configuration fetch.output contains invalid value %s"),
638 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
639 if (rm
->status
== REF_STATUS_REJECT_SHALLOW
||
641 !strcmp(rm
->name
, "HEAD"))
644 adjust_refcol_width(rm
);
648 static void print_remote_to_local(struct strbuf
*display
,
649 const char *remote
, const char *local
)
651 strbuf_addf(display
, "%-*s -> %s", refcol_width
, remote
, local
);
654 static int find_and_replace(struct strbuf
*haystack
,
656 const char *placeholder
)
658 const char *p
= NULL
;
661 nlen
= strlen(needle
);
662 if (ends_with(haystack
->buf
, needle
))
663 p
= haystack
->buf
+ haystack
->len
- nlen
;
665 p
= strstr(haystack
->buf
, needle
);
669 if (p
> haystack
->buf
&& p
[-1] != '/')
673 if (plen
> nlen
&& p
[nlen
] != '/')
676 strbuf_splice(haystack
, p
- haystack
->buf
, nlen
,
677 placeholder
, strlen(placeholder
));
681 static void print_compact(struct strbuf
*display
,
682 const char *remote
, const char *local
)
684 struct strbuf r
= STRBUF_INIT
;
685 struct strbuf l
= STRBUF_INIT
;
687 if (!strcmp(remote
, local
)) {
688 strbuf_addf(display
, "%-*s -> *", refcol_width
, remote
);
692 strbuf_addstr(&r
, remote
);
693 strbuf_addstr(&l
, local
);
695 if (!find_and_replace(&r
, local
, "*"))
696 find_and_replace(&l
, remote
, "*");
697 print_remote_to_local(display
, r
.buf
, l
.buf
);
703 static void format_display(struct strbuf
*display
, char code
,
704 const char *summary
, const char *error
,
705 const char *remote
, const char *local
,
708 int width
= (summary_width
+ strlen(summary
) - gettext_width(summary
));
710 strbuf_addf(display
, "%c %-*s ", code
, width
, summary
);
712 print_remote_to_local(display
, remote
, local
);
714 print_compact(display
, remote
, local
);
716 strbuf_addf(display
, " (%s)", error
);
719 static int update_local_ref(struct ref
*ref
,
721 const struct ref
*remote_ref
,
722 struct strbuf
*display
,
725 struct commit
*current
= NULL
, *updated
;
726 enum object_type type
;
727 struct branch
*current_branch
= branch_get(NULL
);
728 const char *pretty_ref
= prettify_refname(ref
->name
);
729 int fast_forward
= 0;
731 type
= oid_object_info(the_repository
, &ref
->new_oid
, NULL
);
733 die(_("object %s not found"), oid_to_hex(&ref
->new_oid
));
735 if (oideq(&ref
->old_oid
, &ref
->new_oid
)) {
737 format_display(display
, '=', _("[up to date]"), NULL
,
738 remote
, pretty_ref
, summary_width
);
742 if (current_branch
&&
743 !strcmp(ref
->name
, current_branch
->name
) &&
744 !(update_head_ok
|| is_bare_repository()) &&
745 !is_null_oid(&ref
->old_oid
)) {
747 * If this is the head, and it's not okay to update
748 * the head, and the old value of the head isn't empty...
750 format_display(display
, '!', _("[rejected]"),
751 _("can't fetch in current branch"),
752 remote
, pretty_ref
, summary_width
);
756 if (!is_null_oid(&ref
->old_oid
) &&
757 starts_with(ref
->name
, "refs/tags/")) {
758 if (force
|| ref
->force
) {
760 r
= s_update_ref("updating tag", ref
, 0);
761 format_display(display
, r
? '!' : 't', _("[tag update]"),
762 r
? _("unable to update local ref") : NULL
,
763 remote
, pretty_ref
, summary_width
);
766 format_display(display
, '!', _("[rejected]"), _("would clobber existing tag"),
767 remote
, pretty_ref
, summary_width
);
772 current
= lookup_commit_reference_gently(the_repository
,
774 updated
= lookup_commit_reference_gently(the_repository
,
776 if (!current
|| !updated
) {
781 * Nicely describe the new ref we're fetching.
782 * Base this on the remote's ref name, as it's
783 * more likely to follow a standard layout.
785 const char *name
= remote_ref
? remote_ref
->name
: "";
786 if (starts_with(name
, "refs/tags/")) {
788 what
= _("[new tag]");
789 } else if (starts_with(name
, "refs/heads/")) {
790 msg
= "storing head";
791 what
= _("[new branch]");
794 what
= _("[new ref]");
797 r
= s_update_ref(msg
, ref
, 0);
798 format_display(display
, r
? '!' : '*', what
,
799 r
? _("unable to update local ref") : NULL
,
800 remote
, pretty_ref
, summary_width
);
804 if (fetch_show_forced_updates
) {
805 uint64_t t_before
= getnanotime();
806 fast_forward
= in_merge_bases(current
, updated
);
807 forced_updates_ms
+= (getnanotime() - t_before
) / 1000000;
813 struct strbuf quickref
= STRBUF_INIT
;
816 strbuf_add_unique_abbrev(&quickref
, ¤t
->object
.oid
, DEFAULT_ABBREV
);
817 strbuf_addstr(&quickref
, "..");
818 strbuf_add_unique_abbrev(&quickref
, &ref
->new_oid
, DEFAULT_ABBREV
);
819 r
= s_update_ref("fast-forward", ref
, 1);
820 format_display(display
, r
? '!' : ' ', quickref
.buf
,
821 r
? _("unable to update local ref") : NULL
,
822 remote
, pretty_ref
, summary_width
);
823 strbuf_release(&quickref
);
825 } else if (force
|| ref
->force
) {
826 struct strbuf quickref
= STRBUF_INIT
;
828 strbuf_add_unique_abbrev(&quickref
, ¤t
->object
.oid
, DEFAULT_ABBREV
);
829 strbuf_addstr(&quickref
, "...");
830 strbuf_add_unique_abbrev(&quickref
, &ref
->new_oid
, DEFAULT_ABBREV
);
831 r
= s_update_ref("forced-update", ref
, 1);
832 format_display(display
, r
? '!' : '+', quickref
.buf
,
833 r
? _("unable to update local ref") : _("forced update"),
834 remote
, pretty_ref
, summary_width
);
835 strbuf_release(&quickref
);
838 format_display(display
, '!', _("[rejected]"), _("non-fast-forward"),
839 remote
, pretty_ref
, summary_width
);
844 static int iterate_ref_map(void *cb_data
, struct object_id
*oid
)
846 struct ref
**rm
= cb_data
;
847 struct ref
*ref
= *rm
;
849 while (ref
&& ref
->status
== REF_STATUS_REJECT_SHALLOW
)
852 return -1; /* end of the list */
854 oidcpy(oid
, &ref
->old_oid
);
858 static const char warn_show_forced_updates
[] =
859 N_("Fetch normally indicates which branches had a forced update,\n"
860 "but that check has been disabled. To re-enable, use '--show-forced-updates'\n"
861 "flag or run 'git config fetch.showForcedUpdates true'.");
862 static const char warn_time_show_forced_updates
[] =
863 N_("It took %.2f seconds to check forced updates. You can use\n"
864 "'--no-show-forced-updates' or run 'git config fetch.showForcedUpdates false'\n"
865 " to avoid this check.\n");
867 static int store_updated_refs(const char *raw_url
, const char *remote_name
,
868 int connectivity_checked
, struct ref
*ref_map
)
871 struct commit
*commit
;
872 int url_len
, i
, rc
= 0;
873 struct strbuf note
= STRBUF_INIT
;
874 const char *what
, *kind
;
877 const char *filename
= dry_run
? "/dev/null" : git_path_fetch_head(the_repository
);
879 int summary_width
= transport_summary_width(ref_map
);
881 fp
= fopen(filename
, "a");
883 return error_errno(_("cannot open %s"), filename
);
886 url
= transport_anonymize_url(raw_url
);
888 url
= xstrdup("foreign");
890 if (!connectivity_checked
) {
892 if (check_connected(iterate_ref_map
, &rm
, NULL
)) {
893 rc
= error(_("%s did not send all necessary objects\n"), url
);
898 prepare_format_display(ref_map
);
901 * We do a pass for each fetch_head_status type in their enum order, so
902 * merged entries are written before not-for-merge. That lets readers
903 * use FETCH_HEAD as a refname to refer to the ref to be merged.
905 for (want_status
= FETCH_HEAD_MERGE
;
906 want_status
<= FETCH_HEAD_IGNORE
;
908 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
909 struct ref
*ref
= NULL
;
910 const char *merge_status_marker
= "";
912 if (rm
->status
== REF_STATUS_REJECT_SHALLOW
) {
913 if (want_status
== FETCH_HEAD_MERGE
)
914 warning(_("reject %s because shallow roots are not allowed to be updated"),
915 rm
->peer_ref
? rm
->peer_ref
->name
: rm
->name
);
919 commit
= lookup_commit_reference_gently(the_repository
,
923 rm
->fetch_head_status
= FETCH_HEAD_NOT_FOR_MERGE
;
925 if (rm
->fetch_head_status
!= want_status
)
929 ref
= alloc_ref(rm
->peer_ref
->name
);
930 oidcpy(&ref
->old_oid
, &rm
->peer_ref
->old_oid
);
931 oidcpy(&ref
->new_oid
, &rm
->old_oid
);
932 ref
->force
= rm
->peer_ref
->force
;
935 if (recurse_submodules
!= RECURSE_SUBMODULES_OFF
)
936 check_for_new_submodule_commits(&rm
->old_oid
);
938 if (!strcmp(rm
->name
, "HEAD")) {
942 else if (starts_with(rm
->name
, "refs/heads/")) {
944 what
= rm
->name
+ 11;
946 else if (starts_with(rm
->name
, "refs/tags/")) {
948 what
= rm
->name
+ 10;
950 else if (starts_with(rm
->name
, "refs/remotes/")) {
951 kind
= "remote-tracking branch";
952 what
= rm
->name
+ 13;
959 url_len
= strlen(url
);
960 for (i
= url_len
- 1; url
[i
] == '/' && 0 <= i
; i
--)
963 if (4 < i
&& !strncmp(".git", url
+ i
- 3, 4))
969 strbuf_addf(¬e
, "%s ", kind
);
970 strbuf_addf(¬e
, "'%s' of ", what
);
972 switch (rm
->fetch_head_status
) {
973 case FETCH_HEAD_NOT_FOR_MERGE
:
974 merge_status_marker
= "not-for-merge";
976 case FETCH_HEAD_MERGE
:
977 fprintf(fp
, "%s\t%s\t%s",
978 oid_to_hex(&rm
->old_oid
),
981 for (i
= 0; i
< url_len
; ++i
)
989 /* do not write anything to FETCH_HEAD */
995 rc
|= update_local_ref(ref
, what
, rm
, ¬e
,
999 format_display(¬e
, '*',
1000 *kind
? kind
: "branch", NULL
,
1001 *what
? what
: "HEAD",
1002 "FETCH_HEAD", summary_width
);
1004 if (verbosity
>= 0 && !shown_url
) {
1005 fprintf(stderr
, _("From %.*s\n"),
1010 fprintf(stderr
, " %s\n", note
.buf
);
1015 if (rc
& STORE_REF_ERROR_DF_CONFLICT
)
1016 error(_("some local refs could not be updated; try running\n"
1017 " 'git remote prune %s' to remove any old, conflicting "
1018 "branches"), remote_name
);
1020 if (advice_fetch_show_forced_updates
) {
1021 if (!fetch_show_forced_updates
) {
1022 warning(_(warn_show_forced_updates
));
1023 } else if (forced_updates_ms
> FORCED_UPDATES_DELAY_WARNING_IN_MS
) {
1024 warning(_(warn_time_show_forced_updates
),
1025 forced_updates_ms
/ 1000.0);
1030 strbuf_release(¬e
);
1037 * We would want to bypass the object transfer altogether if
1038 * everything we are going to fetch already exists and is connected
1041 static int check_exist_and_connected(struct ref
*ref_map
)
1043 struct ref
*rm
= ref_map
;
1044 struct check_connected_options opt
= CHECK_CONNECTED_INIT
;
1048 * If we are deepening a shallow clone we already have these
1049 * objects reachable. Running rev-list here will return with
1050 * a good (0) exit status and we'll bypass the fetch that we
1051 * really need to perform. Claiming failure now will ensure
1052 * we perform the network exchange to deepen our history.
1058 * check_connected() allows objects to merely be promised, but
1059 * we need all direct targets to exist.
1061 for (r
= rm
; r
; r
= r
->next
) {
1062 if (!has_object_file(&r
->old_oid
))
1067 return check_connected(iterate_ref_map
, &rm
, &opt
);
1070 static int fetch_refs(struct transport
*transport
, struct ref
*ref_map
)
1072 int ret
= check_exist_and_connected(ref_map
);
1074 ret
= transport_fetch_refs(transport
, ref_map
);
1077 * Keep the new pack's ".keep" file around to allow the caller
1078 * time to update refs to reference the new objects.
1081 transport_unlock_pack(transport
);
1085 /* Update local refs based on the ref values fetched from a remote */
1086 static int consume_refs(struct transport
*transport
, struct ref
*ref_map
)
1088 int connectivity_checked
= transport
->smart_options
1089 ? transport
->smart_options
->connectivity_checked
: 0;
1090 int ret
= store_updated_refs(transport
->url
,
1091 transport
->remote
->name
,
1092 connectivity_checked
,
1094 transport_unlock_pack(transport
);
1098 static int prune_refs(struct refspec
*rs
, struct ref
*ref_map
,
1099 const char *raw_url
)
1101 int url_len
, i
, result
= 0;
1102 struct ref
*ref
, *stale_refs
= get_stale_heads(rs
, ref_map
);
1104 int summary_width
= transport_summary_width(stale_refs
);
1105 const char *dangling_msg
= dry_run
1106 ? _(" (%s will become dangling)")
1107 : _(" (%s has become dangling)");
1110 url
= transport_anonymize_url(raw_url
);
1112 url
= xstrdup("foreign");
1114 url_len
= strlen(url
);
1115 for (i
= url_len
- 1; url
[i
] == '/' && 0 <= i
; i
--)
1119 if (4 < i
&& !strncmp(".git", url
+ i
- 3, 4))
1123 struct string_list refnames
= STRING_LIST_INIT_NODUP
;
1125 for (ref
= stale_refs
; ref
; ref
= ref
->next
)
1126 string_list_append(&refnames
, ref
->name
);
1128 result
= delete_refs("fetch: prune", &refnames
, 0);
1129 string_list_clear(&refnames
, 0);
1132 if (verbosity
>= 0) {
1133 for (ref
= stale_refs
; ref
; ref
= ref
->next
) {
1134 struct strbuf sb
= STRBUF_INIT
;
1136 fprintf(stderr
, _("From %.*s\n"), url_len
, url
);
1139 format_display(&sb
, '-', _("[deleted]"), NULL
,
1140 _("(none)"), prettify_refname(ref
->name
),
1142 fprintf(stderr
, " %s\n",sb
.buf
);
1143 strbuf_release(&sb
);
1144 warn_dangling_symref(stderr
, dangling_msg
, ref
->name
);
1149 free_refs(stale_refs
);
1153 static void check_not_current_branch(struct ref
*ref_map
)
1155 struct branch
*current_branch
= branch_get(NULL
);
1157 if (is_bare_repository() || !current_branch
)
1160 for (; ref_map
; ref_map
= ref_map
->next
)
1161 if (ref_map
->peer_ref
&& !strcmp(current_branch
->refname
,
1162 ref_map
->peer_ref
->name
))
1163 die(_("Refusing to fetch into current branch %s "
1164 "of non-bare repository"), current_branch
->refname
);
1167 static int truncate_fetch_head(void)
1169 const char *filename
= git_path_fetch_head(the_repository
);
1170 FILE *fp
= fopen_for_writing(filename
);
1173 return error_errno(_("cannot open %s"), filename
);
1178 static void set_option(struct transport
*transport
, const char *name
, const char *value
)
1180 int r
= transport_set_option(transport
, name
, value
);
1182 die(_("Option \"%s\" value \"%s\" is not valid for %s"),
1183 name
, value
, transport
->url
);
1185 warning(_("Option \"%s\" is ignored for %s\n"),
1186 name
, transport
->url
);
1190 static int add_oid(const char *refname
, const struct object_id
*oid
, int flags
,
1193 struct oid_array
*oids
= cb_data
;
1195 oid_array_append(oids
, oid
);
1199 static void add_negotiation_tips(struct git_transport_options
*smart_options
)
1201 struct oid_array
*oids
= xcalloc(1, sizeof(*oids
));
1204 for (i
= 0; i
< negotiation_tip
.nr
; i
++) {
1205 const char *s
= negotiation_tip
.items
[i
].string
;
1207 if (!has_glob_specials(s
)) {
1208 struct object_id oid
;
1209 if (get_oid(s
, &oid
))
1210 die("%s is not a valid object", s
);
1211 oid_array_append(oids
, &oid
);
1215 for_each_glob_ref(add_oid
, s
, oids
);
1216 if (old_nr
== oids
->nr
)
1217 warning("Ignoring --negotiation-tip=%s because it does not match any refs",
1220 smart_options
->negotiation_tips
= oids
;
1223 static struct transport
*prepare_transport(struct remote
*remote
, int deepen
)
1225 struct transport
*transport
;
1227 transport
= transport_get(remote
, NULL
);
1228 transport_set_verbosity(transport
, verbosity
, progress
);
1229 transport
->family
= family
;
1231 set_option(transport
, TRANS_OPT_UPLOADPACK
, upload_pack
);
1233 set_option(transport
, TRANS_OPT_KEEP
, "yes");
1235 set_option(transport
, TRANS_OPT_DEPTH
, depth
);
1236 if (deepen
&& deepen_since
)
1237 set_option(transport
, TRANS_OPT_DEEPEN_SINCE
, deepen_since
);
1238 if (deepen
&& deepen_not
.nr
)
1239 set_option(transport
, TRANS_OPT_DEEPEN_NOT
,
1240 (const char *)&deepen_not
);
1241 if (deepen_relative
)
1242 set_option(transport
, TRANS_OPT_DEEPEN_RELATIVE
, "yes");
1244 set_option(transport
, TRANS_OPT_UPDATE_SHALLOW
, "yes");
1245 if (filter_options
.choice
) {
1247 expand_list_objects_filter_spec(&filter_options
);
1248 set_option(transport
, TRANS_OPT_LIST_OBJECTS_FILTER
, spec
);
1249 set_option(transport
, TRANS_OPT_FROM_PROMISOR
, "1");
1251 if (negotiation_tip
.nr
) {
1252 if (transport
->smart_options
)
1253 add_negotiation_tips(transport
->smart_options
);
1255 warning("Ignoring --negotiation-tip because the protocol does not support it.");
1260 static void backfill_tags(struct transport
*transport
, struct ref
*ref_map
)
1265 * Once we have set TRANS_OPT_DEEPEN_SINCE, we can't unset it
1266 * when remote helper is used (setting it to an empty string
1267 * is not unsetting). We could extend the remote helper
1268 * protocol for that, but for now, just force a new connection
1269 * without deepen-since. Similar story for deepen-not.
1271 cannot_reuse
= transport
->cannot_reuse
||
1272 deepen_since
|| deepen_not
.nr
;
1274 gsecondary
= prepare_transport(transport
->remote
, 0);
1275 transport
= gsecondary
;
1278 transport_set_option(transport
, TRANS_OPT_FOLLOWTAGS
, NULL
);
1279 transport_set_option(transport
, TRANS_OPT_DEPTH
, "0");
1280 transport_set_option(transport
, TRANS_OPT_DEEPEN_RELATIVE
, NULL
);
1281 if (!fetch_refs(transport
, ref_map
))
1282 consume_refs(transport
, ref_map
);
1285 transport_disconnect(gsecondary
);
1290 static int do_fetch(struct transport
*transport
,
1293 struct ref
*ref_map
;
1294 int autotags
= (transport
->remote
->fetch_tags
== 1);
1296 const struct ref
*remote_refs
;
1297 struct argv_array ref_prefixes
= ARGV_ARRAY_INIT
;
1298 int must_list_refs
= 1;
1300 if (tags
== TAGS_DEFAULT
) {
1301 if (transport
->remote
->fetch_tags
== 2)
1303 if (transport
->remote
->fetch_tags
== -1)
1307 /* if not appending, truncate FETCH_HEAD */
1308 if (!append
&& !dry_run
) {
1309 retcode
= truncate_fetch_head();
1317 refspec_ref_prefixes(rs
, &ref_prefixes
);
1320 * We can avoid listing refs if all of them are exact
1324 for (i
= 0; i
< rs
->nr
; i
++) {
1325 if (!rs
->items
[i
].exact_sha1
) {
1330 } else if (transport
->remote
&& transport
->remote
->fetch
.nr
)
1331 refspec_ref_prefixes(&transport
->remote
->fetch
, &ref_prefixes
);
1333 if (tags
== TAGS_SET
|| tags
== TAGS_DEFAULT
) {
1335 if (ref_prefixes
.argc
)
1336 argv_array_push(&ref_prefixes
, "refs/tags/");
1340 remote_refs
= transport_get_remote_refs(transport
, &ref_prefixes
);
1344 argv_array_clear(&ref_prefixes
);
1346 ref_map
= get_ref_map(transport
->remote
, remote_refs
, rs
,
1348 if (!update_head_ok
)
1349 check_not_current_branch(ref_map
);
1351 if (tags
== TAGS_DEFAULT
&& autotags
)
1352 transport_set_option(transport
, TRANS_OPT_FOLLOWTAGS
, "1");
1355 * We only prune based on refspecs specified
1356 * explicitly (via command line or configuration); we
1357 * don't care whether --tags was specified.
1360 prune_refs(rs
, ref_map
, transport
->url
);
1362 prune_refs(&transport
->remote
->fetch
,
1367 if (fetch_refs(transport
, ref_map
) || consume_refs(transport
, ref_map
)) {
1374 struct branch
*branch
= branch_get("HEAD");
1376 struct ref
*source_ref
= NULL
;
1379 * We're setting the upstream configuration for the
1380 * current branch. The relevent upstream is the
1381 * fetched branch that is meant to be merged with the
1382 * current one, i.e. the one fetched to FETCH_HEAD.
1384 * When there are several such branches, consider the
1385 * request ambiguous and err on the safe side by doing
1386 * nothing and just emit a warning.
1388 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
1389 if (!rm
->peer_ref
) {
1391 warning(_("multiple branch detected, incompatible with --set-upstream"));
1399 if (!strcmp(source_ref
->name
, "HEAD") ||
1400 starts_with(source_ref
->name
, "refs/heads/"))
1401 install_branch_config(0,
1403 transport
->remote
->name
,
1405 else if (starts_with(source_ref
->name
, "refs/remotes/"))
1406 warning(_("not setting upstream for a remote remote-tracking branch"));
1407 else if (starts_with(source_ref
->name
, "refs/tags/"))
1408 warning(_("not setting upstream for a remote tag"));
1410 warning(_("unknown branch type"));
1412 warning(_("no source branch found.\n"
1413 "you need to specify exactly one branch with the --set-upstream option."));
1419 /* if neither --no-tags nor --tags was specified, do automated tag
1421 if (tags
== TAGS_DEFAULT
&& autotags
) {
1422 struct ref
**tail
= &ref_map
;
1424 find_non_local_tags(remote_refs
, &ref_map
, &tail
);
1426 backfill_tags(transport
, ref_map
);
1434 static int get_one_remote_for_fetch(struct remote
*remote
, void *priv
)
1436 struct string_list
*list
= priv
;
1437 if (!remote
->skip_default_update
)
1438 string_list_append(list
, remote
->name
);
1442 struct remote_group_data
{
1444 struct string_list
*list
;
1447 static int get_remote_group(const char *key
, const char *value
, void *priv
)
1449 struct remote_group_data
*g
= priv
;
1451 if (skip_prefix(key
, "remotes.", &key
) && !strcmp(key
, g
->name
)) {
1452 /* split list by white space */
1454 size_t wordlen
= strcspn(value
, " \t\n");
1457 string_list_append_nodup(g
->list
,
1458 xstrndup(value
, wordlen
));
1459 value
+= wordlen
+ (value
[wordlen
] != '\0');
1466 static int add_remote_or_group(const char *name
, struct string_list
*list
)
1468 int prev_nr
= list
->nr
;
1469 struct remote_group_data g
;
1470 g
.name
= name
; g
.list
= list
;
1472 git_config(get_remote_group
, &g
);
1473 if (list
->nr
== prev_nr
) {
1474 struct remote
*remote
= remote_get(name
);
1475 if (!remote_is_configured(remote
, 0))
1477 string_list_append(list
, remote
->name
);
1482 static void add_options_to_argv(struct argv_array
*argv
)
1485 argv_array_push(argv
, "--dry-run");
1487 argv_array_push(argv
, prune
? "--prune" : "--no-prune");
1488 if (prune_tags
!= -1)
1489 argv_array_push(argv
, prune_tags
? "--prune-tags" : "--no-prune-tags");
1491 argv_array_push(argv
, "--update-head-ok");
1493 argv_array_push(argv
, "--force");
1495 argv_array_push(argv
, "--keep");
1496 if (recurse_submodules
== RECURSE_SUBMODULES_ON
)
1497 argv_array_push(argv
, "--recurse-submodules");
1498 else if (recurse_submodules
== RECURSE_SUBMODULES_ON_DEMAND
)
1499 argv_array_push(argv
, "--recurse-submodules=on-demand");
1500 if (tags
== TAGS_SET
)
1501 argv_array_push(argv
, "--tags");
1502 else if (tags
== TAGS_UNSET
)
1503 argv_array_push(argv
, "--no-tags");
1505 argv_array_push(argv
, "-v");
1507 argv_array_push(argv
, "-v");
1508 else if (verbosity
< 0)
1509 argv_array_push(argv
, "-q");
1513 static int fetch_multiple(struct string_list
*list
)
1516 struct argv_array argv
= ARGV_ARRAY_INIT
;
1518 if (!append
&& !dry_run
) {
1519 int errcode
= truncate_fetch_head();
1524 argv_array_pushl(&argv
, "fetch", "--append", "--no-auto-gc", NULL
);
1525 add_options_to_argv(&argv
);
1527 for (i
= 0; i
< list
->nr
; i
++) {
1528 const char *name
= list
->items
[i
].string
;
1529 argv_array_push(&argv
, name
);
1531 printf(_("Fetching %s\n"), name
);
1532 if (run_command_v_opt(argv
.argv
, RUN_GIT_CMD
)) {
1533 error(_("Could not fetch %s"), name
);
1536 argv_array_pop(&argv
);
1539 argv_array_clear(&argv
);
1544 * Fetching from the promisor remote should use the given filter-spec
1545 * or inherit the default filter-spec from the config.
1547 static inline void fetch_one_setup_partial(struct remote
*remote
)
1550 * Explicit --no-filter argument overrides everything, regardless
1551 * of any prior partial clones and fetches.
1553 if (filter_options
.no_filter
)
1557 * If no prior partial clone/fetch and the current fetch DID NOT
1558 * request a partial-fetch, do a normal fetch.
1560 if (!has_promisor_remote() && !filter_options
.choice
)
1564 * If this is a partial-fetch request, we enable partial on
1565 * this repo if not already enabled and remember the given
1566 * filter-spec as the default for subsequent fetches to this
1569 if (filter_options
.choice
) {
1570 partial_clone_register(remote
->name
, &filter_options
);
1575 * Do a partial-fetch from the promisor remote using either the
1576 * explicitly given filter-spec or inherit the filter-spec from
1579 if (!filter_options
.choice
)
1580 partial_clone_get_default_filter_spec(&filter_options
, remote
->name
);
1584 static int fetch_one(struct remote
*remote
, int argc
, const char **argv
, int prune_tags_ok
)
1586 struct refspec rs
= REFSPEC_INIT_FETCH
;
1589 int maybe_prune_tags
;
1590 int remote_via_config
= remote_is_configured(remote
, 0);
1593 die(_("No remote repository specified. Please, specify either a URL or a\n"
1594 "remote name from which new revisions should be fetched."));
1596 gtransport
= prepare_transport(remote
, 1);
1599 /* no command line request */
1600 if (0 <= remote
->prune
)
1601 prune
= remote
->prune
;
1602 else if (0 <= fetch_prune_config
)
1603 prune
= fetch_prune_config
;
1605 prune
= PRUNE_BY_DEFAULT
;
1608 if (prune_tags
< 0) {
1609 /* no command line request */
1610 if (0 <= remote
->prune_tags
)
1611 prune_tags
= remote
->prune_tags
;
1612 else if (0 <= fetch_prune_tags_config
)
1613 prune_tags
= fetch_prune_tags_config
;
1615 prune_tags
= PRUNE_TAGS_BY_DEFAULT
;
1618 maybe_prune_tags
= prune_tags_ok
&& prune_tags
;
1619 if (maybe_prune_tags
&& remote_via_config
)
1620 refspec_append(&remote
->fetch
, TAG_REFSPEC
);
1622 if (maybe_prune_tags
&& (argc
|| !remote_via_config
))
1623 refspec_append(&rs
, TAG_REFSPEC
);
1625 for (i
= 0; i
< argc
; i
++) {
1626 if (!strcmp(argv
[i
], "tag")) {
1630 die(_("You need to specify a tag name."));
1632 tag
= xstrfmt("refs/tags/%s:refs/tags/%s",
1634 refspec_append(&rs
, tag
);
1637 refspec_append(&rs
, argv
[i
]);
1641 if (server_options
.nr
)
1642 gtransport
->server_options
= &server_options
;
1644 sigchain_push_common(unlock_pack_on_signal
);
1645 atexit(unlock_pack
);
1646 sigchain_push(SIGPIPE
, SIG_IGN
);
1647 exit_code
= do_fetch(gtransport
, &rs
);
1648 sigchain_pop(SIGPIPE
);
1650 transport_disconnect(gtransport
);
1655 int cmd_fetch(int argc
, const char **argv
, const char *prefix
)
1658 struct string_list list
= STRING_LIST_INIT_DUP
;
1659 struct remote
*remote
= NULL
;
1661 int prune_tags_ok
= 1;
1662 struct argv_array argv_gc_auto
= ARGV_ARRAY_INIT
;
1664 packet_trace_identity("fetch");
1666 fetch_if_missing
= 0;
1668 /* Record the command line for the reflog */
1669 strbuf_addstr(&default_rla
, "fetch");
1670 for (i
= 1; i
< argc
; i
++)
1671 strbuf_addf(&default_rla
, " %s", argv
[i
]);
1673 fetch_config_from_gitmodules(&max_children
, &recurse_submodules
);
1674 git_config(git_fetch_config
, NULL
);
1676 argc
= parse_options(argc
, argv
, prefix
,
1677 builtin_fetch_options
, builtin_fetch_usage
, 0);
1679 if (deepen_relative
) {
1680 if (deepen_relative
< 0)
1681 die(_("Negative depth in --deepen is not supported"));
1683 die(_("--deepen and --depth are mutually exclusive"));
1684 depth
= xstrfmt("%d", deepen_relative
);
1688 die(_("--depth and --unshallow cannot be used together"));
1689 else if (!is_repository_shallow(the_repository
))
1690 die(_("--unshallow on a complete repository does not make sense"));
1692 depth
= xstrfmt("%d", INFINITE_DEPTH
);
1695 /* no need to be strict, transport_set_option() will validate it again */
1696 if (depth
&& atoi(depth
) < 1)
1697 die(_("depth %s is not a positive number"), depth
);
1698 if (depth
|| deepen_since
|| deepen_not
.nr
)
1701 if (filter_options
.choice
&& !has_promisor_remote())
1702 die("--filter can only be used when extensions.partialClone is set");
1706 die(_("fetch --all does not take a repository argument"));
1708 die(_("fetch --all does not make sense with refspecs"));
1709 (void) for_each_remote(get_one_remote_for_fetch
, &list
);
1710 } else if (argc
== 0) {
1711 /* No arguments -- use default remote */
1712 remote
= remote_get(NULL
);
1713 } else if (multiple
) {
1714 /* All arguments are assumed to be remotes or groups */
1715 for (i
= 0; i
< argc
; i
++)
1716 if (!add_remote_or_group(argv
[i
], &list
))
1717 die(_("No such remote or remote group: %s"), argv
[i
]);
1719 /* Single remote or group */
1720 (void) add_remote_or_group(argv
[0], &list
);
1722 /* More than one remote */
1724 die(_("Fetching a group and specifying refspecs does not make sense"));
1726 /* Zero or one remotes */
1727 remote
= remote_get(argv
[0]);
1728 prune_tags_ok
= (argc
== 1);
1735 if (filter_options
.choice
|| has_promisor_remote())
1736 fetch_one_setup_partial(remote
);
1737 result
= fetch_one(remote
, argc
, argv
, prune_tags_ok
);
1739 if (filter_options
.choice
)
1740 die(_("--filter can only be used with the remote "
1741 "configured in extensions.partialclone"));
1742 /* TODO should this also die if we have a previous partial-clone? */
1743 result
= fetch_multiple(&list
);
1746 if (!result
&& (recurse_submodules
!= RECURSE_SUBMODULES_OFF
)) {
1747 struct argv_array options
= ARGV_ARRAY_INIT
;
1749 add_options_to_argv(&options
);
1750 result
= fetch_populated_submodules(the_repository
,
1754 recurse_submodules_default
,
1757 argv_array_clear(&options
);
1760 string_list_clear(&list
, 0);
1762 close_object_store(the_repository
->objects
);
1764 if (enable_auto_gc
) {
1765 argv_array_pushl(&argv_gc_auto
, "gc", "--auto", NULL
);
1767 argv_array_push(&argv_gc_auto
, "--quiet");
1768 run_command_v_opt(argv_gc_auto
.argv
, RUN_GIT_CMD
);
1769 argv_array_clear(&argv_gc_auto
);