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"
26 #include "commit-graph.h"
28 #define FORCED_UPDATES_DELAY_WARNING_IN_MS (10 * 1000)
30 static const char * const builtin_fetch_usage
[] = {
31 N_("git fetch [<options>] [<repository> [<refspec>...]]"),
32 N_("git fetch [<options>] <group>"),
33 N_("git fetch --multiple [<options>] [(<repository> | <group>)...]"),
34 N_("git fetch --all [<options>]"),
44 static int fetch_prune_config
= -1; /* unspecified */
45 static int fetch_show_forced_updates
= 1;
46 static uint64_t forced_updates_ms
= 0;
47 static int prune
= -1; /* unspecified */
48 #define PRUNE_BY_DEFAULT 0 /* do we prune by default? */
50 static int fetch_prune_tags_config
= -1; /* unspecified */
51 static int prune_tags
= -1; /* unspecified */
52 #define PRUNE_TAGS_BY_DEFAULT 0 /* do we prune tags by default? */
54 static int all
, append
, dry_run
, force
, keep
, multiple
, update_head_ok
, verbosity
, deepen_relative
;
55 static int progress
= -1;
56 static int enable_auto_gc
= 1;
57 static int tags
= TAGS_DEFAULT
, unshallow
, update_shallow
, deepen
;
58 static int max_children
= 1;
59 static enum transport_family family
;
60 static const char *depth
;
61 static const char *deepen_since
;
62 static const char *upload_pack
;
63 static struct string_list deepen_not
= STRING_LIST_INIT_NODUP
;
64 static struct strbuf default_rla
= STRBUF_INIT
;
65 static struct transport
*gtransport
;
66 static struct transport
*gsecondary
;
67 static const char *submodule_prefix
= "";
68 static int recurse_submodules
= RECURSE_SUBMODULES_DEFAULT
;
69 static int recurse_submodules_default
= RECURSE_SUBMODULES_ON_DEMAND
;
70 static int shown_url
= 0;
71 static struct refspec refmap
= REFSPEC_INIT_FETCH
;
72 static struct list_objects_filter_options filter_options
;
73 static struct string_list server_options
= STRING_LIST_INIT_DUP
;
74 static struct string_list negotiation_tip
= STRING_LIST_INIT_NODUP
;
76 static int git_fetch_config(const char *k
, const char *v
, void *cb
)
78 if (!strcmp(k
, "fetch.prune")) {
79 fetch_prune_config
= git_config_bool(k
, v
);
83 if (!strcmp(k
, "fetch.prunetags")) {
84 fetch_prune_tags_config
= git_config_bool(k
, v
);
88 if (!strcmp(k
, "fetch.showforcedupdates")) {
89 fetch_show_forced_updates
= git_config_bool(k
, v
);
93 if (!strcmp(k
, "submodule.recurse")) {
94 int r
= git_config_bool(k
, v
) ?
95 RECURSE_SUBMODULES_ON
: RECURSE_SUBMODULES_OFF
;
96 recurse_submodules
= r
;
99 if (!strcmp(k
, "submodule.fetchjobs")) {
100 max_children
= parse_submodule_fetchjobs(k
, v
);
102 } else if (!strcmp(k
, "fetch.recursesubmodules")) {
103 recurse_submodules
= parse_fetch_recurse_submodules_arg(k
, v
);
107 return git_default_config(k
, v
, cb
);
110 static int parse_refmap_arg(const struct option
*opt
, const char *arg
, int unset
)
112 BUG_ON_OPT_NEG(unset
);
115 * "git fetch --refmap='' origin foo"
116 * can be used to tell the command not to store anywhere
118 refspec_append(&refmap
, arg
);
123 static struct option builtin_fetch_options
[] = {
124 OPT__VERBOSITY(&verbosity
),
125 OPT_BOOL(0, "all", &all
,
126 N_("fetch from all remotes")),
127 OPT_BOOL('a', "append", &append
,
128 N_("append to .git/FETCH_HEAD instead of overwriting")),
129 OPT_STRING(0, "upload-pack", &upload_pack
, N_("path"),
130 N_("path to upload pack on remote end")),
131 OPT__FORCE(&force
, N_("force overwrite of local reference"), 0),
132 OPT_BOOL('m', "multiple", &multiple
,
133 N_("fetch from multiple remotes")),
134 OPT_SET_INT('t', "tags", &tags
,
135 N_("fetch all tags and associated objects"), TAGS_SET
),
136 OPT_SET_INT('n', NULL
, &tags
,
137 N_("do not fetch all tags (--no-tags)"), TAGS_UNSET
),
138 OPT_INTEGER('j', "jobs", &max_children
,
139 N_("number of submodules fetched in parallel")),
140 OPT_BOOL('p', "prune", &prune
,
141 N_("prune remote-tracking branches no longer on remote")),
142 OPT_BOOL('P', "prune-tags", &prune_tags
,
143 N_("prune local tags no longer on remote and clobber changed tags")),
144 { OPTION_CALLBACK
, 0, "recurse-submodules", &recurse_submodules
, N_("on-demand"),
145 N_("control recursive fetching of submodules"),
146 PARSE_OPT_OPTARG
, option_fetch_parse_recurse_submodules
},
147 OPT_BOOL(0, "dry-run", &dry_run
,
149 OPT_BOOL('k', "keep", &keep
, N_("keep downloaded pack")),
150 OPT_BOOL('u', "update-head-ok", &update_head_ok
,
151 N_("allow updating of HEAD ref")),
152 OPT_BOOL(0, "progress", &progress
, N_("force progress reporting")),
153 OPT_STRING(0, "depth", &depth
, N_("depth"),
154 N_("deepen history of shallow clone")),
155 OPT_STRING(0, "shallow-since", &deepen_since
, N_("time"),
156 N_("deepen history of shallow repository based on time")),
157 OPT_STRING_LIST(0, "shallow-exclude", &deepen_not
, N_("revision"),
158 N_("deepen history of shallow clone, excluding rev")),
159 OPT_INTEGER(0, "deepen", &deepen_relative
,
160 N_("deepen history of shallow clone")),
161 OPT_SET_INT_F(0, "unshallow", &unshallow
,
162 N_("convert to a complete repository"),
164 { OPTION_STRING
, 0, "submodule-prefix", &submodule_prefix
, N_("dir"),
165 N_("prepend this to submodule path output"), PARSE_OPT_HIDDEN
},
166 { OPTION_CALLBACK
, 0, "recurse-submodules-default",
167 &recurse_submodules_default
, N_("on-demand"),
168 N_("default for recursive fetching of submodules "
169 "(lower priority than config files)"),
170 PARSE_OPT_HIDDEN
, option_fetch_parse_recurse_submodules
},
171 OPT_BOOL(0, "update-shallow", &update_shallow
,
172 N_("accept refs that update .git/shallow")),
173 { OPTION_CALLBACK
, 0, "refmap", NULL
, N_("refmap"),
174 N_("specify fetch refmap"), PARSE_OPT_NONEG
, parse_refmap_arg
},
175 OPT_STRING_LIST('o', "server-option", &server_options
, N_("server-specific"), N_("option to transmit")),
176 OPT_SET_INT('4', "ipv4", &family
, N_("use IPv4 addresses only"),
177 TRANSPORT_FAMILY_IPV4
),
178 OPT_SET_INT('6', "ipv6", &family
, N_("use IPv6 addresses only"),
179 TRANSPORT_FAMILY_IPV6
),
180 OPT_STRING_LIST(0, "negotiation-tip", &negotiation_tip
, N_("revision"),
181 N_("report that we have only objects reachable from this object")),
182 OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options
),
183 OPT_BOOL(0, "auto-gc", &enable_auto_gc
,
184 N_("run 'gc --auto' after fetching")),
185 OPT_BOOL(0, "show-forced-updates", &fetch_show_forced_updates
,
186 N_("check for forced-updates on all updated branches")),
190 static void unlock_pack(void)
193 transport_unlock_pack(gtransport
);
195 transport_unlock_pack(gsecondary
);
198 static void unlock_pack_on_signal(int signo
)
205 static void add_merge_config(struct ref
**head
,
206 const struct ref
*remote_refs
,
207 struct branch
*branch
,
212 for (i
= 0; i
< branch
->merge_nr
; i
++) {
213 struct ref
*rm
, **old_tail
= *tail
;
214 struct refspec_item refspec
;
216 for (rm
= *head
; rm
; rm
= rm
->next
) {
217 if (branch_merge_matches(branch
, i
, rm
->name
)) {
218 rm
->fetch_head_status
= FETCH_HEAD_MERGE
;
226 * Not fetched to a remote-tracking branch? We need to fetch
227 * it anyway to allow this branch's "branch.$name.merge"
228 * to be honored by 'git pull', but we do not have to
229 * fail if branch.$name.merge is misconfigured to point
230 * at a nonexisting branch. If we were indeed called by
231 * 'git pull', it will notice the misconfiguration because
232 * there is no entry in the resulting FETCH_HEAD marked
235 memset(&refspec
, 0, sizeof(refspec
));
236 refspec
.src
= branch
->merge
[i
]->src
;
237 get_fetch_map(remote_refs
, &refspec
, tail
, 1);
238 for (rm
= *old_tail
; rm
; rm
= rm
->next
)
239 rm
->fetch_head_status
= FETCH_HEAD_MERGE
;
243 static int will_fetch(struct ref
**head
, const unsigned char *sha1
)
245 struct ref
*rm
= *head
;
247 if (hasheq(rm
->old_oid
.hash
, sha1
))
254 struct refname_hash_entry
{
255 struct hashmap_entry ent
; /* must be the first member */
256 struct object_id oid
;
258 char refname
[FLEX_ARRAY
];
261 static int refname_hash_entry_cmp(const void *hashmap_cmp_fn_data
,
266 const struct refname_hash_entry
*e1
= e1_
;
267 const struct refname_hash_entry
*e2
= e2_
;
269 return strcmp(e1
->refname
, keydata
? keydata
: e2
->refname
);
272 static struct refname_hash_entry
*refname_hash_add(struct hashmap
*map
,
274 const struct object_id
*oid
)
276 struct refname_hash_entry
*ent
;
277 size_t len
= strlen(refname
);
279 FLEX_ALLOC_MEM(ent
, refname
, refname
, len
);
280 hashmap_entry_init(ent
, strhash(refname
));
281 oidcpy(&ent
->oid
, oid
);
282 hashmap_add(map
, ent
);
286 static int add_one_refname(const char *refname
,
287 const struct object_id
*oid
,
288 int flag
, void *cbdata
)
290 struct hashmap
*refname_map
= cbdata
;
292 (void) refname_hash_add(refname_map
, refname
, oid
);
296 static void refname_hash_init(struct hashmap
*map
)
298 hashmap_init(map
, refname_hash_entry_cmp
, NULL
, 0);
301 static int refname_hash_exists(struct hashmap
*map
, const char *refname
)
303 return !!hashmap_get_from_hash(map
, strhash(refname
), refname
);
306 static void clear_item(struct refname_hash_entry
*item
)
311 static void find_non_local_tags(const struct ref
*refs
,
315 struct hashmap existing_refs
;
316 struct hashmap remote_refs
;
317 struct string_list remote_refs_list
= STRING_LIST_INIT_NODUP
;
318 struct string_list_item
*remote_ref_item
;
319 const struct ref
*ref
;
320 struct refname_hash_entry
*item
= NULL
;
322 refname_hash_init(&existing_refs
);
323 refname_hash_init(&remote_refs
);
325 for_each_ref(add_one_refname
, &existing_refs
);
326 for (ref
= refs
; ref
; ref
= ref
->next
) {
327 if (!starts_with(ref
->name
, "refs/tags/"))
331 * The peeled ref always follows the matching base
332 * ref, so if we see a peeled ref that we don't want
333 * to fetch then we can mark the ref entry in the list
334 * as one to ignore by setting util to NULL.
336 if (ends_with(ref
->name
, "^{}")) {
338 !has_object_file_with_flags(&ref
->old_oid
,
339 OBJECT_INFO_QUICK
) &&
340 !will_fetch(head
, ref
->old_oid
.hash
) &&
341 !has_object_file_with_flags(&item
->oid
, OBJECT_INFO_QUICK
) &&
342 !will_fetch(head
, item
->oid
.hash
))
349 * If item is non-NULL here, then we previously saw a
350 * ref not followed by a peeled reference, so we need
351 * to check if it is a lightweight tag that we want to
355 !has_object_file_with_flags(&item
->oid
, OBJECT_INFO_QUICK
) &&
356 !will_fetch(head
, item
->oid
.hash
))
361 /* skip duplicates and refs that we already have */
362 if (refname_hash_exists(&remote_refs
, ref
->name
) ||
363 refname_hash_exists(&existing_refs
, ref
->name
))
366 item
= refname_hash_add(&remote_refs
, ref
->name
, &ref
->old_oid
);
367 string_list_insert(&remote_refs_list
, ref
->name
);
369 hashmap_free(&existing_refs
, 1);
372 * We may have a final lightweight tag that needs to be
373 * checked to see if it needs fetching.
376 !has_object_file_with_flags(&item
->oid
, OBJECT_INFO_QUICK
) &&
377 !will_fetch(head
, item
->oid
.hash
))
381 * For all the tags in the remote_refs_list,
382 * add them to the list of refs to be fetched
384 for_each_string_list_item(remote_ref_item
, &remote_refs_list
) {
385 const char *refname
= remote_ref_item
->string
;
388 item
= hashmap_get_from_hash(&remote_refs
, strhash(refname
), refname
);
390 BUG("unseen remote ref?");
392 /* Unless we have already decided to ignore this item... */
396 rm
= alloc_ref(item
->refname
);
397 rm
->peer_ref
= alloc_ref(item
->refname
);
398 oidcpy(&rm
->old_oid
, &item
->oid
);
402 hashmap_free(&remote_refs
, 1);
403 string_list_clear(&remote_refs_list
, 0);
406 static struct ref
*get_ref_map(struct remote
*remote
,
407 const struct ref
*remote_refs
,
409 int tags
, int *autotags
)
413 struct ref
*ref_map
= NULL
;
414 struct ref
**tail
= &ref_map
;
416 /* opportunistically-updated references: */
417 struct ref
*orefs
= NULL
, **oref_tail
= &orefs
;
419 struct hashmap existing_refs
;
422 struct refspec
*fetch_refspec
;
424 for (i
= 0; i
< rs
->nr
; i
++) {
425 get_fetch_map(remote_refs
, &rs
->items
[i
], &tail
, 0);
426 if (rs
->items
[i
].dst
&& rs
->items
[i
].dst
[0])
429 /* Merge everything on the command line (but not --tags) */
430 for (rm
= ref_map
; rm
; rm
= rm
->next
)
431 rm
->fetch_head_status
= FETCH_HEAD_MERGE
;
434 * For any refs that we happen to be fetching via
435 * command-line arguments, the destination ref might
436 * have been missing or have been different than the
437 * remote-tracking ref that would be derived from the
438 * configured refspec. In these cases, we want to
439 * take the opportunity to update their configured
440 * remote-tracking reference. However, we do not want
441 * to mention these entries in FETCH_HEAD at all, as
442 * they would simply be duplicates of existing
443 * entries, so we set them FETCH_HEAD_IGNORE below.
445 * We compute these entries now, based only on the
446 * refspecs specified on the command line. But we add
447 * them to the list following the refspecs resulting
448 * from the tags option so that one of the latter,
449 * which has FETCH_HEAD_NOT_FOR_MERGE, is not removed
450 * by ref_remove_duplicates() in favor of one of these
451 * opportunistic entries with FETCH_HEAD_IGNORE.
454 fetch_refspec
= &refmap
;
456 fetch_refspec
= &remote
->fetch
;
458 for (i
= 0; i
< fetch_refspec
->nr
; i
++)
459 get_fetch_map(ref_map
, &fetch_refspec
->items
[i
], &oref_tail
, 1);
460 } else if (refmap
.nr
) {
461 die("--refmap option is only meaningful with command-line refspec(s).");
463 /* Use the defaults */
464 struct branch
*branch
= branch_get(NULL
);
465 int has_merge
= branch_has_merge_config(branch
);
468 /* Note: has_merge implies non-NULL branch->remote_name */
469 (has_merge
&& !strcmp(branch
->remote_name
, remote
->name
)))) {
470 for (i
= 0; i
< remote
->fetch
.nr
; i
++) {
471 get_fetch_map(remote_refs
, &remote
->fetch
.items
[i
], &tail
, 0);
472 if (remote
->fetch
.items
[i
].dst
&&
473 remote
->fetch
.items
[i
].dst
[0])
475 if (!i
&& !has_merge
&& ref_map
&&
476 !remote
->fetch
.items
[0].pattern
)
477 ref_map
->fetch_head_status
= FETCH_HEAD_MERGE
;
480 * if the remote we're fetching from is the same
481 * as given in branch.<name>.remote, we add the
482 * ref given in branch.<name>.merge, too.
484 * Note: has_merge implies non-NULL branch->remote_name
487 !strcmp(branch
->remote_name
, remote
->name
))
488 add_merge_config(&ref_map
, remote_refs
, branch
, &tail
);
490 ref_map
= get_remote_ref(remote_refs
, "HEAD");
492 die(_("Couldn't find remote ref HEAD"));
493 ref_map
->fetch_head_status
= FETCH_HEAD_MERGE
;
494 tail
= &ref_map
->next
;
498 if (tags
== TAGS_SET
)
499 /* also fetch all tags */
500 get_fetch_map(remote_refs
, tag_refspec
, &tail
, 0);
501 else if (tags
== TAGS_DEFAULT
&& *autotags
)
502 find_non_local_tags(remote_refs
, &ref_map
, &tail
);
504 /* Now append any refs to be updated opportunistically: */
506 for (rm
= orefs
; rm
; rm
= rm
->next
) {
507 rm
->fetch_head_status
= FETCH_HEAD_IGNORE
;
511 ref_map
= ref_remove_duplicates(ref_map
);
513 refname_hash_init(&existing_refs
);
514 for_each_ref(add_one_refname
, &existing_refs
);
516 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
518 const char *refname
= rm
->peer_ref
->name
;
519 struct refname_hash_entry
*peer_item
;
521 peer_item
= hashmap_get_from_hash(&existing_refs
,
525 struct object_id
*old_oid
= &peer_item
->oid
;
526 oidcpy(&rm
->peer_ref
->old_oid
, old_oid
);
530 hashmap_free(&existing_refs
, 1);
535 #define STORE_REF_ERROR_OTHER 1
536 #define STORE_REF_ERROR_DF_CONFLICT 2
538 static int s_update_ref(const char *action
,
543 char *rla
= getenv("GIT_REFLOG_ACTION");
544 struct ref_transaction
*transaction
;
545 struct strbuf err
= STRBUF_INIT
;
546 int ret
, df_conflict
= 0;
551 rla
= default_rla
.buf
;
552 msg
= xstrfmt("%s: %s", rla
, action
);
554 transaction
= ref_transaction_begin(&err
);
556 ref_transaction_update(transaction
, ref
->name
,
558 check_old
? &ref
->old_oid
: NULL
,
562 ret
= ref_transaction_commit(transaction
, &err
);
564 df_conflict
= (ret
== TRANSACTION_NAME_CONFLICT
);
568 ref_transaction_free(transaction
);
569 strbuf_release(&err
);
573 ref_transaction_free(transaction
);
574 error("%s", err
.buf
);
575 strbuf_release(&err
);
577 return df_conflict
? STORE_REF_ERROR_DF_CONFLICT
578 : STORE_REF_ERROR_OTHER
;
581 static int refcol_width
= 10;
582 static int compact_format
;
584 static void adjust_refcol_width(const struct ref
*ref
)
586 int max
, rlen
, llen
, len
;
588 /* uptodate lines are only shown on high verbosity level */
589 if (!verbosity
&& oideq(&ref
->peer_ref
->old_oid
, &ref
->old_oid
))
592 max
= term_columns();
593 rlen
= utf8_strwidth(prettify_refname(ref
->name
));
595 llen
= utf8_strwidth(prettify_refname(ref
->peer_ref
->name
));
598 * rough estimation to see if the output line is too long and
599 * should not be counted (we can't do precise calculation
600 * anyway because we don't know if the error explanation part
601 * will be printed in update_local_ref)
603 if (compact_format
) {
607 len
= 21 /* flag and summary */ + rlen
+ 4 /* -> */ + llen
;
612 * Not precise calculation for compact mode because '*' can
613 * appear on the left hand side of '->' and shrink the column
616 if (refcol_width
< rlen
)
620 static void prepare_format_display(struct ref
*ref_map
)
623 const char *format
= "full";
625 git_config_get_string_const("fetch.output", &format
);
626 if (!strcasecmp(format
, "full"))
628 else if (!strcasecmp(format
, "compact"))
631 die(_("configuration fetch.output contains invalid value %s"),
634 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
635 if (rm
->status
== REF_STATUS_REJECT_SHALLOW
||
637 !strcmp(rm
->name
, "HEAD"))
640 adjust_refcol_width(rm
);
644 static void print_remote_to_local(struct strbuf
*display
,
645 const char *remote
, const char *local
)
647 strbuf_addf(display
, "%-*s -> %s", refcol_width
, remote
, local
);
650 static int find_and_replace(struct strbuf
*haystack
,
652 const char *placeholder
)
654 const char *p
= NULL
;
657 nlen
= strlen(needle
);
658 if (ends_with(haystack
->buf
, needle
))
659 p
= haystack
->buf
+ haystack
->len
- nlen
;
661 p
= strstr(haystack
->buf
, needle
);
665 if (p
> haystack
->buf
&& p
[-1] != '/')
669 if (plen
> nlen
&& p
[nlen
] != '/')
672 strbuf_splice(haystack
, p
- haystack
->buf
, nlen
,
673 placeholder
, strlen(placeholder
));
677 static void print_compact(struct strbuf
*display
,
678 const char *remote
, const char *local
)
680 struct strbuf r
= STRBUF_INIT
;
681 struct strbuf l
= STRBUF_INIT
;
683 if (!strcmp(remote
, local
)) {
684 strbuf_addf(display
, "%-*s -> *", refcol_width
, remote
);
688 strbuf_addstr(&r
, remote
);
689 strbuf_addstr(&l
, local
);
691 if (!find_and_replace(&r
, local
, "*"))
692 find_and_replace(&l
, remote
, "*");
693 print_remote_to_local(display
, r
.buf
, l
.buf
);
699 static void format_display(struct strbuf
*display
, char code
,
700 const char *summary
, const char *error
,
701 const char *remote
, const char *local
,
704 int width
= (summary_width
+ strlen(summary
) - gettext_width(summary
));
706 strbuf_addf(display
, "%c %-*s ", code
, width
, summary
);
708 print_remote_to_local(display
, remote
, local
);
710 print_compact(display
, remote
, local
);
712 strbuf_addf(display
, " (%s)", error
);
715 static int update_local_ref(struct ref
*ref
,
717 const struct ref
*remote_ref
,
718 struct strbuf
*display
,
721 struct commit
*current
= NULL
, *updated
;
722 enum object_type type
;
723 struct branch
*current_branch
= branch_get(NULL
);
724 const char *pretty_ref
= prettify_refname(ref
->name
);
725 int fast_forward
= 0;
727 type
= oid_object_info(the_repository
, &ref
->new_oid
, NULL
);
729 die(_("object %s not found"), oid_to_hex(&ref
->new_oid
));
731 if (oideq(&ref
->old_oid
, &ref
->new_oid
)) {
733 format_display(display
, '=', _("[up to date]"), NULL
,
734 remote
, pretty_ref
, summary_width
);
738 if (current_branch
&&
739 !strcmp(ref
->name
, current_branch
->name
) &&
740 !(update_head_ok
|| is_bare_repository()) &&
741 !is_null_oid(&ref
->old_oid
)) {
743 * If this is the head, and it's not okay to update
744 * the head, and the old value of the head isn't empty...
746 format_display(display
, '!', _("[rejected]"),
747 _("can't fetch in current branch"),
748 remote
, pretty_ref
, summary_width
);
752 if (!is_null_oid(&ref
->old_oid
) &&
753 starts_with(ref
->name
, "refs/tags/")) {
754 if (force
|| ref
->force
) {
756 r
= s_update_ref("updating tag", ref
, 0);
757 format_display(display
, r
? '!' : 't', _("[tag update]"),
758 r
? _("unable to update local ref") : NULL
,
759 remote
, pretty_ref
, summary_width
);
762 format_display(display
, '!', _("[rejected]"), _("would clobber existing tag"),
763 remote
, pretty_ref
, summary_width
);
768 current
= lookup_commit_reference_gently(the_repository
,
770 updated
= lookup_commit_reference_gently(the_repository
,
772 if (!current
|| !updated
) {
777 * Nicely describe the new ref we're fetching.
778 * Base this on the remote's ref name, as it's
779 * more likely to follow a standard layout.
781 const char *name
= remote_ref
? remote_ref
->name
: "";
782 if (starts_with(name
, "refs/tags/")) {
784 what
= _("[new tag]");
785 } else if (starts_with(name
, "refs/heads/")) {
786 msg
= "storing head";
787 what
= _("[new branch]");
790 what
= _("[new ref]");
793 r
= s_update_ref(msg
, ref
, 0);
794 format_display(display
, r
? '!' : '*', what
,
795 r
? _("unable to update local ref") : NULL
,
796 remote
, pretty_ref
, summary_width
);
800 if (fetch_show_forced_updates
) {
801 uint64_t t_before
= getnanotime();
802 fast_forward
= in_merge_bases(current
, updated
);
803 forced_updates_ms
+= (getnanotime() - t_before
) / 1000000;
809 struct strbuf quickref
= STRBUF_INIT
;
812 strbuf_add_unique_abbrev(&quickref
, ¤t
->object
.oid
, DEFAULT_ABBREV
);
813 strbuf_addstr(&quickref
, "..");
814 strbuf_add_unique_abbrev(&quickref
, &ref
->new_oid
, DEFAULT_ABBREV
);
815 r
= s_update_ref("fast-forward", ref
, 1);
816 format_display(display
, r
? '!' : ' ', quickref
.buf
,
817 r
? _("unable to update local ref") : NULL
,
818 remote
, pretty_ref
, summary_width
);
819 strbuf_release(&quickref
);
821 } else if (force
|| ref
->force
) {
822 struct strbuf quickref
= STRBUF_INIT
;
824 strbuf_add_unique_abbrev(&quickref
, ¤t
->object
.oid
, DEFAULT_ABBREV
);
825 strbuf_addstr(&quickref
, "...");
826 strbuf_add_unique_abbrev(&quickref
, &ref
->new_oid
, DEFAULT_ABBREV
);
827 r
= s_update_ref("forced-update", ref
, 1);
828 format_display(display
, r
? '!' : '+', quickref
.buf
,
829 r
? _("unable to update local ref") : _("forced update"),
830 remote
, pretty_ref
, summary_width
);
831 strbuf_release(&quickref
);
834 format_display(display
, '!', _("[rejected]"), _("non-fast-forward"),
835 remote
, pretty_ref
, summary_width
);
840 static int iterate_ref_map(void *cb_data
, struct object_id
*oid
)
842 struct ref
**rm
= cb_data
;
843 struct ref
*ref
= *rm
;
845 while (ref
&& ref
->status
== REF_STATUS_REJECT_SHALLOW
)
848 return -1; /* end of the list */
850 oidcpy(oid
, &ref
->old_oid
);
854 static int store_updated_refs(const char *raw_url
, const char *remote_name
,
855 int connectivity_checked
, struct ref
*ref_map
)
858 struct commit
*commit
;
859 int url_len
, i
, rc
= 0;
860 struct strbuf note
= STRBUF_INIT
;
861 const char *what
, *kind
;
864 const char *filename
= dry_run
? "/dev/null" : git_path_fetch_head(the_repository
);
866 int summary_width
= transport_summary_width(ref_map
);
868 fp
= fopen(filename
, "a");
870 return error_errno(_("cannot open %s"), filename
);
873 url
= transport_anonymize_url(raw_url
);
875 url
= xstrdup("foreign");
877 if (!connectivity_checked
) {
879 if (check_connected(iterate_ref_map
, &rm
, NULL
)) {
880 rc
= error(_("%s did not send all necessary objects\n"), url
);
885 prepare_format_display(ref_map
);
888 * We do a pass for each fetch_head_status type in their enum order, so
889 * merged entries are written before not-for-merge. That lets readers
890 * use FETCH_HEAD as a refname to refer to the ref to be merged.
892 for (want_status
= FETCH_HEAD_MERGE
;
893 want_status
<= FETCH_HEAD_IGNORE
;
895 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
896 struct ref
*ref
= NULL
;
897 const char *merge_status_marker
= "";
899 if (rm
->status
== REF_STATUS_REJECT_SHALLOW
) {
900 if (want_status
== FETCH_HEAD_MERGE
)
901 warning(_("reject %s because shallow roots are not allowed to be updated"),
902 rm
->peer_ref
? rm
->peer_ref
->name
: rm
->name
);
906 commit
= lookup_commit_reference_gently(the_repository
,
910 rm
->fetch_head_status
= FETCH_HEAD_NOT_FOR_MERGE
;
912 if (rm
->fetch_head_status
!= want_status
)
916 ref
= alloc_ref(rm
->peer_ref
->name
);
917 oidcpy(&ref
->old_oid
, &rm
->peer_ref
->old_oid
);
918 oidcpy(&ref
->new_oid
, &rm
->old_oid
);
919 ref
->force
= rm
->peer_ref
->force
;
922 if (recurse_submodules
!= RECURSE_SUBMODULES_OFF
)
923 check_for_new_submodule_commits(&rm
->old_oid
);
925 if (!strcmp(rm
->name
, "HEAD")) {
929 else if (starts_with(rm
->name
, "refs/heads/")) {
931 what
= rm
->name
+ 11;
933 else if (starts_with(rm
->name
, "refs/tags/")) {
935 what
= rm
->name
+ 10;
937 else if (starts_with(rm
->name
, "refs/remotes/")) {
938 kind
= "remote-tracking branch";
939 what
= rm
->name
+ 13;
946 url_len
= strlen(url
);
947 for (i
= url_len
- 1; url
[i
] == '/' && 0 <= i
; i
--)
950 if (4 < i
&& !strncmp(".git", url
+ i
- 3, 4))
956 strbuf_addf(¬e
, "%s ", kind
);
957 strbuf_addf(¬e
, "'%s' of ", what
);
959 switch (rm
->fetch_head_status
) {
960 case FETCH_HEAD_NOT_FOR_MERGE
:
961 merge_status_marker
= "not-for-merge";
963 case FETCH_HEAD_MERGE
:
964 fprintf(fp
, "%s\t%s\t%s",
965 oid_to_hex(&rm
->old_oid
),
968 for (i
= 0; i
< url_len
; ++i
)
976 /* do not write anything to FETCH_HEAD */
982 rc
|= update_local_ref(ref
, what
, rm
, ¬e
,
986 format_display(¬e
, '*',
987 *kind
? kind
: "branch", NULL
,
988 *what
? what
: "HEAD",
989 "FETCH_HEAD", summary_width
);
991 if (verbosity
>= 0 && !shown_url
) {
992 fprintf(stderr
, _("From %.*s\n"),
997 fprintf(stderr
, " %s\n", note
.buf
);
1002 if (rc
& STORE_REF_ERROR_DF_CONFLICT
)
1003 error(_("some local refs could not be updated; try running\n"
1004 " 'git remote prune %s' to remove any old, conflicting "
1005 "branches"), remote_name
);
1007 if (advice_fetch_show_forced_updates
) {
1008 if (!fetch_show_forced_updates
) {
1009 warning(_("Fetch normally indicates which branches had a forced update, but that check has been disabled."));
1010 warning(_("To re-enable, use '--show-forced-updates' flag or run 'git config fetch.showForcedUpdates true'."));
1011 } else if (forced_updates_ms
> FORCED_UPDATES_DELAY_WARNING_IN_MS
) {
1012 warning(_("It took %.2f seconds to check forced updates. You can use '--no-show-forced-updates'\n"),
1013 forced_updates_ms
/ 1000.0);
1014 warning(_("or run 'git config fetch.showForcedUpdates false' to avoid this check.\n"));
1019 strbuf_release(¬e
);
1026 * We would want to bypass the object transfer altogether if
1027 * everything we are going to fetch already exists and is connected
1030 static int check_exist_and_connected(struct ref
*ref_map
)
1032 struct ref
*rm
= ref_map
;
1033 struct check_connected_options opt
= CHECK_CONNECTED_INIT
;
1037 * If we are deepening a shallow clone we already have these
1038 * objects reachable. Running rev-list here will return with
1039 * a good (0) exit status and we'll bypass the fetch that we
1040 * really need to perform. Claiming failure now will ensure
1041 * we perform the network exchange to deepen our history.
1047 * check_connected() allows objects to merely be promised, but
1048 * we need all direct targets to exist.
1050 for (r
= rm
; r
; r
= r
->next
) {
1051 if (!has_object_file(&r
->old_oid
))
1056 return check_connected(iterate_ref_map
, &rm
, &opt
);
1059 static int fetch_refs(struct transport
*transport
, struct ref
*ref_map
)
1061 int ret
= check_exist_and_connected(ref_map
);
1063 ret
= transport_fetch_refs(transport
, ref_map
);
1066 * Keep the new pack's ".keep" file around to allow the caller
1067 * time to update refs to reference the new objects.
1070 transport_unlock_pack(transport
);
1074 /* Update local refs based on the ref values fetched from a remote */
1075 static int consume_refs(struct transport
*transport
, struct ref
*ref_map
)
1077 int connectivity_checked
= transport
->smart_options
1078 ? transport
->smart_options
->connectivity_checked
: 0;
1079 int ret
= store_updated_refs(transport
->url
,
1080 transport
->remote
->name
,
1081 connectivity_checked
,
1083 transport_unlock_pack(transport
);
1087 static int prune_refs(struct refspec
*rs
, struct ref
*ref_map
,
1088 const char *raw_url
)
1090 int url_len
, i
, result
= 0;
1091 struct ref
*ref
, *stale_refs
= get_stale_heads(rs
, ref_map
);
1093 int summary_width
= transport_summary_width(stale_refs
);
1094 const char *dangling_msg
= dry_run
1095 ? _(" (%s will become dangling)")
1096 : _(" (%s has become dangling)");
1099 url
= transport_anonymize_url(raw_url
);
1101 url
= xstrdup("foreign");
1103 url_len
= strlen(url
);
1104 for (i
= url_len
- 1; url
[i
] == '/' && 0 <= i
; i
--)
1108 if (4 < i
&& !strncmp(".git", url
+ i
- 3, 4))
1112 struct string_list refnames
= STRING_LIST_INIT_NODUP
;
1114 for (ref
= stale_refs
; ref
; ref
= ref
->next
)
1115 string_list_append(&refnames
, ref
->name
);
1117 result
= delete_refs("fetch: prune", &refnames
, 0);
1118 string_list_clear(&refnames
, 0);
1121 if (verbosity
>= 0) {
1122 for (ref
= stale_refs
; ref
; ref
= ref
->next
) {
1123 struct strbuf sb
= STRBUF_INIT
;
1125 fprintf(stderr
, _("From %.*s\n"), url_len
, url
);
1128 format_display(&sb
, '-', _("[deleted]"), NULL
,
1129 _("(none)"), prettify_refname(ref
->name
),
1131 fprintf(stderr
, " %s\n",sb
.buf
);
1132 strbuf_release(&sb
);
1133 warn_dangling_symref(stderr
, dangling_msg
, ref
->name
);
1138 free_refs(stale_refs
);
1142 static void check_not_current_branch(struct ref
*ref_map
)
1144 struct branch
*current_branch
= branch_get(NULL
);
1146 if (is_bare_repository() || !current_branch
)
1149 for (; ref_map
; ref_map
= ref_map
->next
)
1150 if (ref_map
->peer_ref
&& !strcmp(current_branch
->refname
,
1151 ref_map
->peer_ref
->name
))
1152 die(_("Refusing to fetch into current branch %s "
1153 "of non-bare repository"), current_branch
->refname
);
1156 static int truncate_fetch_head(void)
1158 const char *filename
= git_path_fetch_head(the_repository
);
1159 FILE *fp
= fopen_for_writing(filename
);
1162 return error_errno(_("cannot open %s"), filename
);
1167 static void set_option(struct transport
*transport
, const char *name
, const char *value
)
1169 int r
= transport_set_option(transport
, name
, value
);
1171 die(_("Option \"%s\" value \"%s\" is not valid for %s"),
1172 name
, value
, transport
->url
);
1174 warning(_("Option \"%s\" is ignored for %s\n"),
1175 name
, transport
->url
);
1179 static int add_oid(const char *refname
, const struct object_id
*oid
, int flags
,
1182 struct oid_array
*oids
= cb_data
;
1184 oid_array_append(oids
, oid
);
1188 static void add_negotiation_tips(struct git_transport_options
*smart_options
)
1190 struct oid_array
*oids
= xcalloc(1, sizeof(*oids
));
1193 for (i
= 0; i
< negotiation_tip
.nr
; i
++) {
1194 const char *s
= negotiation_tip
.items
[i
].string
;
1196 if (!has_glob_specials(s
)) {
1197 struct object_id oid
;
1198 if (get_oid(s
, &oid
))
1199 die("%s is not a valid object", s
);
1200 oid_array_append(oids
, &oid
);
1204 for_each_glob_ref(add_oid
, s
, oids
);
1205 if (old_nr
== oids
->nr
)
1206 warning("Ignoring --negotiation-tip=%s because it does not match any refs",
1209 smart_options
->negotiation_tips
= oids
;
1212 static struct transport
*prepare_transport(struct remote
*remote
, int deepen
)
1214 struct transport
*transport
;
1216 transport
= transport_get(remote
, NULL
);
1217 transport_set_verbosity(transport
, verbosity
, progress
);
1218 transport
->family
= family
;
1220 set_option(transport
, TRANS_OPT_UPLOADPACK
, upload_pack
);
1222 set_option(transport
, TRANS_OPT_KEEP
, "yes");
1224 set_option(transport
, TRANS_OPT_DEPTH
, depth
);
1225 if (deepen
&& deepen_since
)
1226 set_option(transport
, TRANS_OPT_DEEPEN_SINCE
, deepen_since
);
1227 if (deepen
&& deepen_not
.nr
)
1228 set_option(transport
, TRANS_OPT_DEEPEN_NOT
,
1229 (const char *)&deepen_not
);
1230 if (deepen_relative
)
1231 set_option(transport
, TRANS_OPT_DEEPEN_RELATIVE
, "yes");
1233 set_option(transport
, TRANS_OPT_UPDATE_SHALLOW
, "yes");
1234 if (filter_options
.choice
) {
1235 struct strbuf expanded_filter_spec
= STRBUF_INIT
;
1236 expand_list_objects_filter_spec(&filter_options
,
1237 &expanded_filter_spec
);
1238 set_option(transport
, TRANS_OPT_LIST_OBJECTS_FILTER
,
1239 expanded_filter_spec
.buf
);
1240 set_option(transport
, TRANS_OPT_FROM_PROMISOR
, "1");
1241 strbuf_release(&expanded_filter_spec
);
1243 if (negotiation_tip
.nr
) {
1244 if (transport
->smart_options
)
1245 add_negotiation_tips(transport
->smart_options
);
1247 warning("Ignoring --negotiation-tip because the protocol does not support it.");
1252 static void backfill_tags(struct transport
*transport
, struct ref
*ref_map
)
1257 * Once we have set TRANS_OPT_DEEPEN_SINCE, we can't unset it
1258 * when remote helper is used (setting it to an empty string
1259 * is not unsetting). We could extend the remote helper
1260 * protocol for that, but for now, just force a new connection
1261 * without deepen-since. Similar story for deepen-not.
1263 cannot_reuse
= transport
->cannot_reuse
||
1264 deepen_since
|| deepen_not
.nr
;
1266 gsecondary
= prepare_transport(transport
->remote
, 0);
1267 transport
= gsecondary
;
1270 transport_set_option(transport
, TRANS_OPT_FOLLOWTAGS
, NULL
);
1271 transport_set_option(transport
, TRANS_OPT_DEPTH
, "0");
1272 transport_set_option(transport
, TRANS_OPT_DEEPEN_RELATIVE
, NULL
);
1273 if (!fetch_refs(transport
, ref_map
))
1274 consume_refs(transport
, ref_map
);
1277 transport_disconnect(gsecondary
);
1282 static int do_fetch(struct transport
*transport
,
1285 struct ref
*ref_map
;
1286 int autotags
= (transport
->remote
->fetch_tags
== 1);
1288 const struct ref
*remote_refs
;
1289 struct argv_array ref_prefixes
= ARGV_ARRAY_INIT
;
1290 int must_list_refs
= 1;
1292 if (tags
== TAGS_DEFAULT
) {
1293 if (transport
->remote
->fetch_tags
== 2)
1295 if (transport
->remote
->fetch_tags
== -1)
1299 /* if not appending, truncate FETCH_HEAD */
1300 if (!append
&& !dry_run
) {
1301 retcode
= truncate_fetch_head();
1309 refspec_ref_prefixes(rs
, &ref_prefixes
);
1312 * We can avoid listing refs if all of them are exact
1316 for (i
= 0; i
< rs
->nr
; i
++) {
1317 if (!rs
->items
[i
].exact_sha1
) {
1322 } else if (transport
->remote
&& transport
->remote
->fetch
.nr
)
1323 refspec_ref_prefixes(&transport
->remote
->fetch
, &ref_prefixes
);
1325 if (tags
== TAGS_SET
|| tags
== TAGS_DEFAULT
) {
1327 if (ref_prefixes
.argc
)
1328 argv_array_push(&ref_prefixes
, "refs/tags/");
1332 remote_refs
= transport_get_remote_refs(transport
, &ref_prefixes
);
1336 argv_array_clear(&ref_prefixes
);
1338 ref_map
= get_ref_map(transport
->remote
, remote_refs
, rs
,
1340 if (!update_head_ok
)
1341 check_not_current_branch(ref_map
);
1343 if (tags
== TAGS_DEFAULT
&& autotags
)
1344 transport_set_option(transport
, TRANS_OPT_FOLLOWTAGS
, "1");
1347 * We only prune based on refspecs specified
1348 * explicitly (via command line or configuration); we
1349 * don't care whether --tags was specified.
1352 prune_refs(rs
, ref_map
, transport
->url
);
1354 prune_refs(&transport
->remote
->fetch
,
1359 if (fetch_refs(transport
, ref_map
) || consume_refs(transport
, ref_map
)) {
1366 /* if neither --no-tags nor --tags was specified, do automated tag
1368 if (tags
== TAGS_DEFAULT
&& autotags
) {
1369 struct ref
**tail
= &ref_map
;
1371 find_non_local_tags(remote_refs
, &ref_map
, &tail
);
1373 backfill_tags(transport
, ref_map
);
1381 static int get_one_remote_for_fetch(struct remote
*remote
, void *priv
)
1383 struct string_list
*list
= priv
;
1384 if (!remote
->skip_default_update
)
1385 string_list_append(list
, remote
->name
);
1389 struct remote_group_data
{
1391 struct string_list
*list
;
1394 static int get_remote_group(const char *key
, const char *value
, void *priv
)
1396 struct remote_group_data
*g
= priv
;
1398 if (skip_prefix(key
, "remotes.", &key
) && !strcmp(key
, g
->name
)) {
1399 /* split list by white space */
1401 size_t wordlen
= strcspn(value
, " \t\n");
1404 string_list_append_nodup(g
->list
,
1405 xstrndup(value
, wordlen
));
1406 value
+= wordlen
+ (value
[wordlen
] != '\0');
1413 static int add_remote_or_group(const char *name
, struct string_list
*list
)
1415 int prev_nr
= list
->nr
;
1416 struct remote_group_data g
;
1417 g
.name
= name
; g
.list
= list
;
1419 git_config(get_remote_group
, &g
);
1420 if (list
->nr
== prev_nr
) {
1421 struct remote
*remote
= remote_get(name
);
1422 if (!remote_is_configured(remote
, 0))
1424 string_list_append(list
, remote
->name
);
1429 static void add_options_to_argv(struct argv_array
*argv
)
1432 argv_array_push(argv
, "--dry-run");
1434 argv_array_push(argv
, prune
? "--prune" : "--no-prune");
1435 if (prune_tags
!= -1)
1436 argv_array_push(argv
, prune_tags
? "--prune-tags" : "--no-prune-tags");
1438 argv_array_push(argv
, "--update-head-ok");
1440 argv_array_push(argv
, "--force");
1442 argv_array_push(argv
, "--keep");
1443 if (recurse_submodules
== RECURSE_SUBMODULES_ON
)
1444 argv_array_push(argv
, "--recurse-submodules");
1445 else if (recurse_submodules
== RECURSE_SUBMODULES_ON_DEMAND
)
1446 argv_array_push(argv
, "--recurse-submodules=on-demand");
1447 if (tags
== TAGS_SET
)
1448 argv_array_push(argv
, "--tags");
1449 else if (tags
== TAGS_UNSET
)
1450 argv_array_push(argv
, "--no-tags");
1452 argv_array_push(argv
, "-v");
1454 argv_array_push(argv
, "-v");
1455 else if (verbosity
< 0)
1456 argv_array_push(argv
, "-q");
1460 static int fetch_multiple(struct string_list
*list
)
1463 struct argv_array argv
= ARGV_ARRAY_INIT
;
1465 if (!append
&& !dry_run
) {
1466 int errcode
= truncate_fetch_head();
1471 argv_array_pushl(&argv
, "fetch", "--append", "--no-auto-gc", NULL
);
1472 add_options_to_argv(&argv
);
1474 for (i
= 0; i
< list
->nr
; i
++) {
1475 const char *name
= list
->items
[i
].string
;
1476 argv_array_push(&argv
, name
);
1478 printf(_("Fetching %s\n"), name
);
1479 if (run_command_v_opt(argv
.argv
, RUN_GIT_CMD
)) {
1480 error(_("Could not fetch %s"), name
);
1483 argv_array_pop(&argv
);
1486 argv_array_clear(&argv
);
1491 * Fetching from the promisor remote should use the given filter-spec
1492 * or inherit the default filter-spec from the config.
1494 static inline void fetch_one_setup_partial(struct remote
*remote
)
1497 * Explicit --no-filter argument overrides everything, regardless
1498 * of any prior partial clones and fetches.
1500 if (filter_options
.no_filter
)
1504 * If no prior partial clone/fetch and the current fetch DID NOT
1505 * request a partial-fetch, do a normal fetch.
1507 if (!repository_format_partial_clone
&& !filter_options
.choice
)
1511 * If this is the FIRST partial-fetch request, we enable partial
1512 * on this repo and remember the given filter-spec as the default
1513 * for subsequent fetches to this remote.
1515 if (!repository_format_partial_clone
&& filter_options
.choice
) {
1516 partial_clone_register(remote
->name
, &filter_options
);
1521 * We are currently limited to only ONE promisor remote and only
1522 * allow partial-fetches from the promisor remote.
1524 if (strcmp(remote
->name
, repository_format_partial_clone
)) {
1525 if (filter_options
.choice
)
1526 die(_("--filter can only be used with the remote "
1527 "configured in extensions.partialClone"));
1532 * Do a partial-fetch from the promisor remote using either the
1533 * explicitly given filter-spec or inherit the filter-spec from
1536 if (!filter_options
.choice
)
1537 partial_clone_get_default_filter_spec(&filter_options
);
1541 static int fetch_one(struct remote
*remote
, int argc
, const char **argv
, int prune_tags_ok
)
1543 struct refspec rs
= REFSPEC_INIT_FETCH
;
1546 int maybe_prune_tags
;
1547 int remote_via_config
= remote_is_configured(remote
, 0);
1550 die(_("No remote repository specified. Please, specify either a URL or a\n"
1551 "remote name from which new revisions should be fetched."));
1553 gtransport
= prepare_transport(remote
, 1);
1556 /* no command line request */
1557 if (0 <= remote
->prune
)
1558 prune
= remote
->prune
;
1559 else if (0 <= fetch_prune_config
)
1560 prune
= fetch_prune_config
;
1562 prune
= PRUNE_BY_DEFAULT
;
1565 if (prune_tags
< 0) {
1566 /* no command line request */
1567 if (0 <= remote
->prune_tags
)
1568 prune_tags
= remote
->prune_tags
;
1569 else if (0 <= fetch_prune_tags_config
)
1570 prune_tags
= fetch_prune_tags_config
;
1572 prune_tags
= PRUNE_TAGS_BY_DEFAULT
;
1575 maybe_prune_tags
= prune_tags_ok
&& prune_tags
;
1576 if (maybe_prune_tags
&& remote_via_config
)
1577 refspec_append(&remote
->fetch
, TAG_REFSPEC
);
1579 if (maybe_prune_tags
&& (argc
|| !remote_via_config
))
1580 refspec_append(&rs
, TAG_REFSPEC
);
1582 for (i
= 0; i
< argc
; i
++) {
1583 if (!strcmp(argv
[i
], "tag")) {
1587 die(_("You need to specify a tag name."));
1589 tag
= xstrfmt("refs/tags/%s:refs/tags/%s",
1591 refspec_append(&rs
, tag
);
1594 refspec_append(&rs
, argv
[i
]);
1598 if (server_options
.nr
)
1599 gtransport
->server_options
= &server_options
;
1601 sigchain_push_common(unlock_pack_on_signal
);
1602 atexit(unlock_pack
);
1603 sigchain_push(SIGPIPE
, SIG_IGN
);
1604 exit_code
= do_fetch(gtransport
, &rs
);
1605 sigchain_pop(SIGPIPE
);
1607 transport_disconnect(gtransport
);
1612 int cmd_fetch(int argc
, const char **argv
, const char *prefix
)
1615 struct string_list list
= STRING_LIST_INIT_DUP
;
1616 struct remote
*remote
= NULL
;
1618 int prune_tags_ok
= 1;
1619 struct argv_array argv_gc_auto
= ARGV_ARRAY_INIT
;
1621 packet_trace_identity("fetch");
1623 fetch_if_missing
= 0;
1625 /* Record the command line for the reflog */
1626 strbuf_addstr(&default_rla
, "fetch");
1627 for (i
= 1; i
< argc
; i
++)
1628 strbuf_addf(&default_rla
, " %s", argv
[i
]);
1630 fetch_config_from_gitmodules(&max_children
, &recurse_submodules
);
1631 git_config(git_fetch_config
, NULL
);
1633 argc
= parse_options(argc
, argv
, prefix
,
1634 builtin_fetch_options
, builtin_fetch_usage
, 0);
1636 if (deepen_relative
) {
1637 if (deepen_relative
< 0)
1638 die(_("Negative depth in --deepen is not supported"));
1640 die(_("--deepen and --depth are mutually exclusive"));
1641 depth
= xstrfmt("%d", deepen_relative
);
1645 die(_("--depth and --unshallow cannot be used together"));
1646 else if (!is_repository_shallow(the_repository
))
1647 die(_("--unshallow on a complete repository does not make sense"));
1649 depth
= xstrfmt("%d", INFINITE_DEPTH
);
1652 /* no need to be strict, transport_set_option() will validate it again */
1653 if (depth
&& atoi(depth
) < 1)
1654 die(_("depth %s is not a positive number"), depth
);
1655 if (depth
|| deepen_since
|| deepen_not
.nr
)
1658 if (filter_options
.choice
&& !repository_format_partial_clone
)
1659 die("--filter can only be used when extensions.partialClone is set");
1663 die(_("fetch --all does not take a repository argument"));
1665 die(_("fetch --all does not make sense with refspecs"));
1666 (void) for_each_remote(get_one_remote_for_fetch
, &list
);
1667 } else if (argc
== 0) {
1668 /* No arguments -- use default remote */
1669 remote
= remote_get(NULL
);
1670 } else if (multiple
) {
1671 /* All arguments are assumed to be remotes or groups */
1672 for (i
= 0; i
< argc
; i
++)
1673 if (!add_remote_or_group(argv
[i
], &list
))
1674 die(_("No such remote or remote group: %s"), argv
[i
]);
1676 /* Single remote or group */
1677 (void) add_remote_or_group(argv
[0], &list
);
1679 /* More than one remote */
1681 die(_("Fetching a group and specifying refspecs does not make sense"));
1683 /* Zero or one remotes */
1684 remote
= remote_get(argv
[0]);
1685 prune_tags_ok
= (argc
== 1);
1692 if (filter_options
.choice
|| repository_format_partial_clone
)
1693 fetch_one_setup_partial(remote
);
1694 result
= fetch_one(remote
, argc
, argv
, prune_tags_ok
);
1696 if (filter_options
.choice
)
1697 die(_("--filter can only be used with the remote "
1698 "configured in extensions.partialclone"));
1699 /* TODO should this also die if we have a previous partial-clone? */
1700 result
= fetch_multiple(&list
);
1703 if (!result
&& (recurse_submodules
!= RECURSE_SUBMODULES_OFF
)) {
1704 struct argv_array options
= ARGV_ARRAY_INIT
;
1706 add_options_to_argv(&options
);
1707 result
= fetch_populated_submodules(the_repository
,
1711 recurse_submodules_default
,
1714 argv_array_clear(&options
);
1717 string_list_clear(&list
, 0);
1719 prepare_repo_settings(the_repository
);
1720 if (the_repository
->settings
.fetch_write_commit_graph
) {
1721 int commit_graph_flags
= COMMIT_GRAPH_SPLIT
;
1722 struct split_commit_graph_opts split_opts
;
1723 memset(&split_opts
, 0, sizeof(struct split_commit_graph_opts
));
1726 commit_graph_flags
|= COMMIT_GRAPH_PROGRESS
;
1728 write_commit_graph_reachable(get_object_directory(),
1733 close_object_store(the_repository
->objects
);
1735 if (enable_auto_gc
) {
1736 argv_array_pushl(&argv_gc_auto
, "gc", "--auto", NULL
);
1738 argv_array_push(&argv_gc_auto
, "--quiet");
1739 run_command_v_opt(argv_gc_auto
.argv
, RUN_GIT_CMD
);
1740 argv_array_clear(&argv_gc_auto
);