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"
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
;
55 static int verbosity
, deepen_relative
, set_upstream
;
56 static int progress
= -1;
57 static int enable_auto_gc
= 1;
58 static int tags
= TAGS_DEFAULT
, unshallow
, update_shallow
, deepen
;
59 static int max_children
= 1;
60 static enum transport_family family
;
61 static const char *depth
;
62 static const char *deepen_since
;
63 static const char *upload_pack
;
64 static struct string_list deepen_not
= STRING_LIST_INIT_NODUP
;
65 static struct strbuf default_rla
= STRBUF_INIT
;
66 static struct transport
*gtransport
;
67 static struct transport
*gsecondary
;
68 static const char *submodule_prefix
= "";
69 static int recurse_submodules
= RECURSE_SUBMODULES_DEFAULT
;
70 static int recurse_submodules_default
= RECURSE_SUBMODULES_ON_DEMAND
;
71 static int shown_url
= 0;
72 static struct refspec refmap
= REFSPEC_INIT_FETCH
;
73 static struct list_objects_filter_options filter_options
;
74 static struct string_list server_options
= STRING_LIST_INIT_DUP
;
75 static struct string_list negotiation_tip
= STRING_LIST_INIT_NODUP
;
77 static int git_fetch_config(const char *k
, const char *v
, void *cb
)
79 if (!strcmp(k
, "fetch.prune")) {
80 fetch_prune_config
= git_config_bool(k
, v
);
84 if (!strcmp(k
, "fetch.prunetags")) {
85 fetch_prune_tags_config
= git_config_bool(k
, v
);
89 if (!strcmp(k
, "fetch.showforcedupdates")) {
90 fetch_show_forced_updates
= git_config_bool(k
, v
);
94 if (!strcmp(k
, "submodule.recurse")) {
95 int r
= git_config_bool(k
, v
) ?
96 RECURSE_SUBMODULES_ON
: RECURSE_SUBMODULES_OFF
;
97 recurse_submodules
= r
;
100 if (!strcmp(k
, "submodule.fetchjobs")) {
101 max_children
= parse_submodule_fetchjobs(k
, v
);
103 } else if (!strcmp(k
, "fetch.recursesubmodules")) {
104 recurse_submodules
= parse_fetch_recurse_submodules_arg(k
, v
);
108 return git_default_config(k
, v
, cb
);
111 static int parse_refmap_arg(const struct option
*opt
, const char *arg
, int unset
)
113 BUG_ON_OPT_NEG(unset
);
116 * "git fetch --refmap='' origin foo"
117 * can be used to tell the command not to store anywhere
119 refspec_append(&refmap
, arg
);
124 static struct option builtin_fetch_options
[] = {
125 OPT__VERBOSITY(&verbosity
),
126 OPT_BOOL(0, "all", &all
,
127 N_("fetch from all remotes")),
128 OPT_BOOL(0, "set-upstream", &set_upstream
,
129 N_("set upstream for git pull/fetch")),
130 OPT_BOOL('a', "append", &append
,
131 N_("append to .git/FETCH_HEAD instead of overwriting")),
132 OPT_STRING(0, "upload-pack", &upload_pack
, N_("path"),
133 N_("path to upload pack on remote end")),
134 OPT__FORCE(&force
, N_("force overwrite of local reference"), 0),
135 OPT_BOOL('m', "multiple", &multiple
,
136 N_("fetch from multiple remotes")),
137 OPT_SET_INT('t', "tags", &tags
,
138 N_("fetch all tags and associated objects"), TAGS_SET
),
139 OPT_SET_INT('n', NULL
, &tags
,
140 N_("do not fetch all tags (--no-tags)"), TAGS_UNSET
),
141 OPT_INTEGER('j', "jobs", &max_children
,
142 N_("number of submodules fetched in parallel")),
143 OPT_BOOL('p', "prune", &prune
,
144 N_("prune remote-tracking branches no longer on remote")),
145 OPT_BOOL('P', "prune-tags", &prune_tags
,
146 N_("prune local tags no longer on remote and clobber changed tags")),
147 { OPTION_CALLBACK
, 0, "recurse-submodules", &recurse_submodules
, N_("on-demand"),
148 N_("control recursive fetching of submodules"),
149 PARSE_OPT_OPTARG
, option_fetch_parse_recurse_submodules
},
150 OPT_BOOL(0, "dry-run", &dry_run
,
152 OPT_BOOL('k', "keep", &keep
, N_("keep downloaded pack")),
153 OPT_BOOL('u', "update-head-ok", &update_head_ok
,
154 N_("allow updating of HEAD ref")),
155 OPT_BOOL(0, "progress", &progress
, N_("force progress reporting")),
156 OPT_STRING(0, "depth", &depth
, N_("depth"),
157 N_("deepen history of shallow clone")),
158 OPT_STRING(0, "shallow-since", &deepen_since
, N_("time"),
159 N_("deepen history of shallow repository based on time")),
160 OPT_STRING_LIST(0, "shallow-exclude", &deepen_not
, N_("revision"),
161 N_("deepen history of shallow clone, excluding rev")),
162 OPT_INTEGER(0, "deepen", &deepen_relative
,
163 N_("deepen history of shallow clone")),
164 OPT_SET_INT_F(0, "unshallow", &unshallow
,
165 N_("convert to a complete repository"),
167 { OPTION_STRING
, 0, "submodule-prefix", &submodule_prefix
, N_("dir"),
168 N_("prepend this to submodule path output"), PARSE_OPT_HIDDEN
},
169 { OPTION_CALLBACK
, 0, "recurse-submodules-default",
170 &recurse_submodules_default
, N_("on-demand"),
171 N_("default for recursive fetching of submodules "
172 "(lower priority than config files)"),
173 PARSE_OPT_HIDDEN
, option_fetch_parse_recurse_submodules
},
174 OPT_BOOL(0, "update-shallow", &update_shallow
,
175 N_("accept refs that update .git/shallow")),
176 { OPTION_CALLBACK
, 0, "refmap", NULL
, N_("refmap"),
177 N_("specify fetch refmap"), PARSE_OPT_NONEG
, parse_refmap_arg
},
178 OPT_STRING_LIST('o', "server-option", &server_options
, N_("server-specific"), N_("option to transmit")),
179 OPT_SET_INT('4', "ipv4", &family
, N_("use IPv4 addresses only"),
180 TRANSPORT_FAMILY_IPV4
),
181 OPT_SET_INT('6', "ipv6", &family
, N_("use IPv6 addresses only"),
182 TRANSPORT_FAMILY_IPV6
),
183 OPT_STRING_LIST(0, "negotiation-tip", &negotiation_tip
, N_("revision"),
184 N_("report that we have only objects reachable from this object")),
185 OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options
),
186 OPT_BOOL(0, "auto-gc", &enable_auto_gc
,
187 N_("run 'gc --auto' after fetching")),
188 OPT_BOOL(0, "show-forced-updates", &fetch_show_forced_updates
,
189 N_("check for forced-updates on all updated branches")),
193 static void unlock_pack(void)
196 transport_unlock_pack(gtransport
);
198 transport_unlock_pack(gsecondary
);
201 static void unlock_pack_on_signal(int signo
)
208 static void add_merge_config(struct ref
**head
,
209 const struct ref
*remote_refs
,
210 struct branch
*branch
,
215 for (i
= 0; i
< branch
->merge_nr
; i
++) {
216 struct ref
*rm
, **old_tail
= *tail
;
217 struct refspec_item refspec
;
219 for (rm
= *head
; rm
; rm
= rm
->next
) {
220 if (branch_merge_matches(branch
, i
, rm
->name
)) {
221 rm
->fetch_head_status
= FETCH_HEAD_MERGE
;
229 * Not fetched to a remote-tracking branch? We need to fetch
230 * it anyway to allow this branch's "branch.$name.merge"
231 * to be honored by 'git pull', but we do not have to
232 * fail if branch.$name.merge is misconfigured to point
233 * at a nonexisting branch. If we were indeed called by
234 * 'git pull', it will notice the misconfiguration because
235 * there is no entry in the resulting FETCH_HEAD marked
238 memset(&refspec
, 0, sizeof(refspec
));
239 refspec
.src
= branch
->merge
[i
]->src
;
240 get_fetch_map(remote_refs
, &refspec
, tail
, 1);
241 for (rm
= *old_tail
; rm
; rm
= rm
->next
)
242 rm
->fetch_head_status
= FETCH_HEAD_MERGE
;
246 static int will_fetch(struct ref
**head
, const unsigned char *sha1
)
248 struct ref
*rm
= *head
;
250 if (hasheq(rm
->old_oid
.hash
, sha1
))
257 struct refname_hash_entry
{
258 struct hashmap_entry ent
; /* must be the first member */
259 struct object_id oid
;
261 char refname
[FLEX_ARRAY
];
264 static int refname_hash_entry_cmp(const void *hashmap_cmp_fn_data
,
269 const struct refname_hash_entry
*e1
= e1_
;
270 const struct refname_hash_entry
*e2
= e2_
;
272 return strcmp(e1
->refname
, keydata
? keydata
: e2
->refname
);
275 static struct refname_hash_entry
*refname_hash_add(struct hashmap
*map
,
277 const struct object_id
*oid
)
279 struct refname_hash_entry
*ent
;
280 size_t len
= strlen(refname
);
282 FLEX_ALLOC_MEM(ent
, refname
, refname
, len
);
283 hashmap_entry_init(ent
, strhash(refname
));
284 oidcpy(&ent
->oid
, oid
);
285 hashmap_add(map
, ent
);
289 static int add_one_refname(const char *refname
,
290 const struct object_id
*oid
,
291 int flag
, void *cbdata
)
293 struct hashmap
*refname_map
= cbdata
;
295 (void) refname_hash_add(refname_map
, refname
, oid
);
299 static void refname_hash_init(struct hashmap
*map
)
301 hashmap_init(map
, refname_hash_entry_cmp
, NULL
, 0);
304 static int refname_hash_exists(struct hashmap
*map
, const char *refname
)
306 return !!hashmap_get_from_hash(map
, strhash(refname
), refname
);
309 static void clear_item(struct refname_hash_entry
*item
)
314 static void find_non_local_tags(const struct ref
*refs
,
318 struct hashmap existing_refs
;
319 struct hashmap remote_refs
;
320 struct string_list remote_refs_list
= STRING_LIST_INIT_NODUP
;
321 struct string_list_item
*remote_ref_item
;
322 const struct ref
*ref
;
323 struct refname_hash_entry
*item
= NULL
;
325 refname_hash_init(&existing_refs
);
326 refname_hash_init(&remote_refs
);
328 for_each_ref(add_one_refname
, &existing_refs
);
329 for (ref
= refs
; ref
; ref
= ref
->next
) {
330 if (!starts_with(ref
->name
, "refs/tags/"))
334 * The peeled ref always follows the matching base
335 * ref, so if we see a peeled ref that we don't want
336 * to fetch then we can mark the ref entry in the list
337 * as one to ignore by setting util to NULL.
339 if (ends_with(ref
->name
, "^{}")) {
341 !has_object_file_with_flags(&ref
->old_oid
,
342 OBJECT_INFO_QUICK
) &&
343 !will_fetch(head
, ref
->old_oid
.hash
) &&
344 !has_object_file_with_flags(&item
->oid
, OBJECT_INFO_QUICK
) &&
345 !will_fetch(head
, item
->oid
.hash
))
352 * If item is non-NULL here, then we previously saw a
353 * ref not followed by a peeled reference, so we need
354 * to check if it is a lightweight tag that we want to
358 !has_object_file_with_flags(&item
->oid
, OBJECT_INFO_QUICK
) &&
359 !will_fetch(head
, item
->oid
.hash
))
364 /* skip duplicates and refs that we already have */
365 if (refname_hash_exists(&remote_refs
, ref
->name
) ||
366 refname_hash_exists(&existing_refs
, ref
->name
))
369 item
= refname_hash_add(&remote_refs
, ref
->name
, &ref
->old_oid
);
370 string_list_insert(&remote_refs_list
, ref
->name
);
372 hashmap_free(&existing_refs
, 1);
375 * We may have a final lightweight tag that needs to be
376 * checked to see if it needs fetching.
379 !has_object_file_with_flags(&item
->oid
, OBJECT_INFO_QUICK
) &&
380 !will_fetch(head
, item
->oid
.hash
))
384 * For all the tags in the remote_refs_list,
385 * add them to the list of refs to be fetched
387 for_each_string_list_item(remote_ref_item
, &remote_refs_list
) {
388 const char *refname
= remote_ref_item
->string
;
391 item
= hashmap_get_from_hash(&remote_refs
, strhash(refname
), refname
);
393 BUG("unseen remote ref?");
395 /* Unless we have already decided to ignore this item... */
399 rm
= alloc_ref(item
->refname
);
400 rm
->peer_ref
= alloc_ref(item
->refname
);
401 oidcpy(&rm
->old_oid
, &item
->oid
);
405 hashmap_free(&remote_refs
, 1);
406 string_list_clear(&remote_refs_list
, 0);
409 static struct ref
*get_ref_map(struct remote
*remote
,
410 const struct ref
*remote_refs
,
412 int tags
, int *autotags
)
416 struct ref
*ref_map
= NULL
;
417 struct ref
**tail
= &ref_map
;
419 /* opportunistically-updated references: */
420 struct ref
*orefs
= NULL
, **oref_tail
= &orefs
;
422 struct hashmap existing_refs
;
425 struct refspec
*fetch_refspec
;
427 for (i
= 0; i
< rs
->nr
; i
++) {
428 get_fetch_map(remote_refs
, &rs
->items
[i
], &tail
, 0);
429 if (rs
->items
[i
].dst
&& rs
->items
[i
].dst
[0])
432 /* Merge everything on the command line (but not --tags) */
433 for (rm
= ref_map
; rm
; rm
= rm
->next
)
434 rm
->fetch_head_status
= FETCH_HEAD_MERGE
;
437 * For any refs that we happen to be fetching via
438 * command-line arguments, the destination ref might
439 * have been missing or have been different than the
440 * remote-tracking ref that would be derived from the
441 * configured refspec. In these cases, we want to
442 * take the opportunity to update their configured
443 * remote-tracking reference. However, we do not want
444 * to mention these entries in FETCH_HEAD at all, as
445 * they would simply be duplicates of existing
446 * entries, so we set them FETCH_HEAD_IGNORE below.
448 * We compute these entries now, based only on the
449 * refspecs specified on the command line. But we add
450 * them to the list following the refspecs resulting
451 * from the tags option so that one of the latter,
452 * which has FETCH_HEAD_NOT_FOR_MERGE, is not removed
453 * by ref_remove_duplicates() in favor of one of these
454 * opportunistic entries with FETCH_HEAD_IGNORE.
457 fetch_refspec
= &refmap
;
459 fetch_refspec
= &remote
->fetch
;
461 for (i
= 0; i
< fetch_refspec
->nr
; i
++)
462 get_fetch_map(ref_map
, &fetch_refspec
->items
[i
], &oref_tail
, 1);
463 } else if (refmap
.nr
) {
464 die("--refmap option is only meaningful with command-line refspec(s).");
466 /* Use the defaults */
467 struct branch
*branch
= branch_get(NULL
);
468 int has_merge
= branch_has_merge_config(branch
);
471 /* Note: has_merge implies non-NULL branch->remote_name */
472 (has_merge
&& !strcmp(branch
->remote_name
, remote
->name
)))) {
473 for (i
= 0; i
< remote
->fetch
.nr
; i
++) {
474 get_fetch_map(remote_refs
, &remote
->fetch
.items
[i
], &tail
, 0);
475 if (remote
->fetch
.items
[i
].dst
&&
476 remote
->fetch
.items
[i
].dst
[0])
478 if (!i
&& !has_merge
&& ref_map
&&
479 !remote
->fetch
.items
[0].pattern
)
480 ref_map
->fetch_head_status
= FETCH_HEAD_MERGE
;
483 * if the remote we're fetching from is the same
484 * as given in branch.<name>.remote, we add the
485 * ref given in branch.<name>.merge, too.
487 * Note: has_merge implies non-NULL branch->remote_name
490 !strcmp(branch
->remote_name
, remote
->name
))
491 add_merge_config(&ref_map
, remote_refs
, branch
, &tail
);
493 ref_map
= get_remote_ref(remote_refs
, "HEAD");
495 die(_("Couldn't find remote ref HEAD"));
496 ref_map
->fetch_head_status
= FETCH_HEAD_MERGE
;
497 tail
= &ref_map
->next
;
501 if (tags
== TAGS_SET
)
502 /* also fetch all tags */
503 get_fetch_map(remote_refs
, tag_refspec
, &tail
, 0);
504 else if (tags
== TAGS_DEFAULT
&& *autotags
)
505 find_non_local_tags(remote_refs
, &ref_map
, &tail
);
507 /* Now append any refs to be updated opportunistically: */
509 for (rm
= orefs
; rm
; rm
= rm
->next
) {
510 rm
->fetch_head_status
= FETCH_HEAD_IGNORE
;
514 ref_map
= ref_remove_duplicates(ref_map
);
516 refname_hash_init(&existing_refs
);
517 for_each_ref(add_one_refname
, &existing_refs
);
519 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
521 const char *refname
= rm
->peer_ref
->name
;
522 struct refname_hash_entry
*peer_item
;
524 peer_item
= hashmap_get_from_hash(&existing_refs
,
528 struct object_id
*old_oid
= &peer_item
->oid
;
529 oidcpy(&rm
->peer_ref
->old_oid
, old_oid
);
533 hashmap_free(&existing_refs
, 1);
538 #define STORE_REF_ERROR_OTHER 1
539 #define STORE_REF_ERROR_DF_CONFLICT 2
541 static int s_update_ref(const char *action
,
546 char *rla
= getenv("GIT_REFLOG_ACTION");
547 struct ref_transaction
*transaction
;
548 struct strbuf err
= STRBUF_INIT
;
549 int ret
, df_conflict
= 0;
554 rla
= default_rla
.buf
;
555 msg
= xstrfmt("%s: %s", rla
, action
);
557 transaction
= ref_transaction_begin(&err
);
559 ref_transaction_update(transaction
, ref
->name
,
561 check_old
? &ref
->old_oid
: NULL
,
565 ret
= ref_transaction_commit(transaction
, &err
);
567 df_conflict
= (ret
== TRANSACTION_NAME_CONFLICT
);
571 ref_transaction_free(transaction
);
572 strbuf_release(&err
);
576 ref_transaction_free(transaction
);
577 error("%s", err
.buf
);
578 strbuf_release(&err
);
580 return df_conflict
? STORE_REF_ERROR_DF_CONFLICT
581 : STORE_REF_ERROR_OTHER
;
584 static int refcol_width
= 10;
585 static int compact_format
;
587 static void adjust_refcol_width(const struct ref
*ref
)
589 int max
, rlen
, llen
, len
;
591 /* uptodate lines are only shown on high verbosity level */
592 if (!verbosity
&& oideq(&ref
->peer_ref
->old_oid
, &ref
->old_oid
))
595 max
= term_columns();
596 rlen
= utf8_strwidth(prettify_refname(ref
->name
));
598 llen
= utf8_strwidth(prettify_refname(ref
->peer_ref
->name
));
601 * rough estimation to see if the output line is too long and
602 * should not be counted (we can't do precise calculation
603 * anyway because we don't know if the error explanation part
604 * will be printed in update_local_ref)
606 if (compact_format
) {
610 len
= 21 /* flag and summary */ + rlen
+ 4 /* -> */ + llen
;
615 * Not precise calculation for compact mode because '*' can
616 * appear on the left hand side of '->' and shrink the column
619 if (refcol_width
< rlen
)
623 static void prepare_format_display(struct ref
*ref_map
)
626 const char *format
= "full";
628 git_config_get_string_const("fetch.output", &format
);
629 if (!strcasecmp(format
, "full"))
631 else if (!strcasecmp(format
, "compact"))
634 die(_("configuration fetch.output contains invalid value %s"),
637 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
638 if (rm
->status
== REF_STATUS_REJECT_SHALLOW
||
640 !strcmp(rm
->name
, "HEAD"))
643 adjust_refcol_width(rm
);
647 static void print_remote_to_local(struct strbuf
*display
,
648 const char *remote
, const char *local
)
650 strbuf_addf(display
, "%-*s -> %s", refcol_width
, remote
, local
);
653 static int find_and_replace(struct strbuf
*haystack
,
655 const char *placeholder
)
657 const char *p
= NULL
;
660 nlen
= strlen(needle
);
661 if (ends_with(haystack
->buf
, needle
))
662 p
= haystack
->buf
+ haystack
->len
- nlen
;
664 p
= strstr(haystack
->buf
, needle
);
668 if (p
> haystack
->buf
&& p
[-1] != '/')
672 if (plen
> nlen
&& p
[nlen
] != '/')
675 strbuf_splice(haystack
, p
- haystack
->buf
, nlen
,
676 placeholder
, strlen(placeholder
));
680 static void print_compact(struct strbuf
*display
,
681 const char *remote
, const char *local
)
683 struct strbuf r
= STRBUF_INIT
;
684 struct strbuf l
= STRBUF_INIT
;
686 if (!strcmp(remote
, local
)) {
687 strbuf_addf(display
, "%-*s -> *", refcol_width
, remote
);
691 strbuf_addstr(&r
, remote
);
692 strbuf_addstr(&l
, local
);
694 if (!find_and_replace(&r
, local
, "*"))
695 find_and_replace(&l
, remote
, "*");
696 print_remote_to_local(display
, r
.buf
, l
.buf
);
702 static void format_display(struct strbuf
*display
, char code
,
703 const char *summary
, const char *error
,
704 const char *remote
, const char *local
,
707 int width
= (summary_width
+ strlen(summary
) - gettext_width(summary
));
709 strbuf_addf(display
, "%c %-*s ", code
, width
, summary
);
711 print_remote_to_local(display
, remote
, local
);
713 print_compact(display
, remote
, local
);
715 strbuf_addf(display
, " (%s)", error
);
718 static int update_local_ref(struct ref
*ref
,
720 const struct ref
*remote_ref
,
721 struct strbuf
*display
,
724 struct commit
*current
= NULL
, *updated
;
725 enum object_type type
;
726 struct branch
*current_branch
= branch_get(NULL
);
727 const char *pretty_ref
= prettify_refname(ref
->name
);
728 int fast_forward
= 0;
730 type
= oid_object_info(the_repository
, &ref
->new_oid
, NULL
);
732 die(_("object %s not found"), oid_to_hex(&ref
->new_oid
));
734 if (oideq(&ref
->old_oid
, &ref
->new_oid
)) {
736 format_display(display
, '=', _("[up to date]"), NULL
,
737 remote
, pretty_ref
, summary_width
);
741 if (current_branch
&&
742 !strcmp(ref
->name
, current_branch
->name
) &&
743 !(update_head_ok
|| is_bare_repository()) &&
744 !is_null_oid(&ref
->old_oid
)) {
746 * If this is the head, and it's not okay to update
747 * the head, and the old value of the head isn't empty...
749 format_display(display
, '!', _("[rejected]"),
750 _("can't fetch in current branch"),
751 remote
, pretty_ref
, summary_width
);
755 if (!is_null_oid(&ref
->old_oid
) &&
756 starts_with(ref
->name
, "refs/tags/")) {
757 if (force
|| ref
->force
) {
759 r
= s_update_ref("updating tag", ref
, 0);
760 format_display(display
, r
? '!' : 't', _("[tag update]"),
761 r
? _("unable to update local ref") : NULL
,
762 remote
, pretty_ref
, summary_width
);
765 format_display(display
, '!', _("[rejected]"), _("would clobber existing tag"),
766 remote
, pretty_ref
, summary_width
);
771 current
= lookup_commit_reference_gently(the_repository
,
773 updated
= lookup_commit_reference_gently(the_repository
,
775 if (!current
|| !updated
) {
780 * Nicely describe the new ref we're fetching.
781 * Base this on the remote's ref name, as it's
782 * more likely to follow a standard layout.
784 const char *name
= remote_ref
? remote_ref
->name
: "";
785 if (starts_with(name
, "refs/tags/")) {
787 what
= _("[new tag]");
788 } else if (starts_with(name
, "refs/heads/")) {
789 msg
= "storing head";
790 what
= _("[new branch]");
793 what
= _("[new ref]");
796 r
= s_update_ref(msg
, ref
, 0);
797 format_display(display
, r
? '!' : '*', what
,
798 r
? _("unable to update local ref") : NULL
,
799 remote
, pretty_ref
, summary_width
);
803 if (fetch_show_forced_updates
) {
804 uint64_t t_before
= getnanotime();
805 fast_forward
= in_merge_bases(current
, updated
);
806 forced_updates_ms
+= (getnanotime() - t_before
) / 1000000;
812 struct strbuf quickref
= STRBUF_INIT
;
815 strbuf_add_unique_abbrev(&quickref
, ¤t
->object
.oid
, DEFAULT_ABBREV
);
816 strbuf_addstr(&quickref
, "..");
817 strbuf_add_unique_abbrev(&quickref
, &ref
->new_oid
, DEFAULT_ABBREV
);
818 r
= s_update_ref("fast-forward", ref
, 1);
819 format_display(display
, r
? '!' : ' ', quickref
.buf
,
820 r
? _("unable to update local ref") : NULL
,
821 remote
, pretty_ref
, summary_width
);
822 strbuf_release(&quickref
);
824 } else if (force
|| ref
->force
) {
825 struct strbuf quickref
= STRBUF_INIT
;
827 strbuf_add_unique_abbrev(&quickref
, ¤t
->object
.oid
, DEFAULT_ABBREV
);
828 strbuf_addstr(&quickref
, "...");
829 strbuf_add_unique_abbrev(&quickref
, &ref
->new_oid
, DEFAULT_ABBREV
);
830 r
= s_update_ref("forced-update", ref
, 1);
831 format_display(display
, r
? '!' : '+', quickref
.buf
,
832 r
? _("unable to update local ref") : _("forced update"),
833 remote
, pretty_ref
, summary_width
);
834 strbuf_release(&quickref
);
837 format_display(display
, '!', _("[rejected]"), _("non-fast-forward"),
838 remote
, pretty_ref
, summary_width
);
843 static int iterate_ref_map(void *cb_data
, struct object_id
*oid
)
845 struct ref
**rm
= cb_data
;
846 struct ref
*ref
= *rm
;
848 while (ref
&& ref
->status
== REF_STATUS_REJECT_SHALLOW
)
851 return -1; /* end of the list */
853 oidcpy(oid
, &ref
->old_oid
);
857 static const char warn_show_forced_updates
[] =
858 N_("Fetch normally indicates which branches had a forced update,\n"
859 "but that check has been disabled. To re-enable, use '--show-forced-updates'\n"
860 "flag or run 'git config fetch.showForcedUpdates true'.");
861 static const char warn_time_show_forced_updates
[] =
862 N_("It took %.2f seconds to check forced updates. You can use\n"
863 "'--no-show-forced-updates' or run 'git config fetch.showForcedUpdates false'\n"
864 " to avoid this check.\n");
866 static int store_updated_refs(const char *raw_url
, const char *remote_name
,
867 int connectivity_checked
, struct ref
*ref_map
)
870 struct commit
*commit
;
871 int url_len
, i
, rc
= 0;
872 struct strbuf note
= STRBUF_INIT
;
873 const char *what
, *kind
;
876 const char *filename
= dry_run
? "/dev/null" : git_path_fetch_head(the_repository
);
878 int summary_width
= transport_summary_width(ref_map
);
880 fp
= fopen(filename
, "a");
882 return error_errno(_("cannot open %s"), filename
);
885 url
= transport_anonymize_url(raw_url
);
887 url
= xstrdup("foreign");
889 if (!connectivity_checked
) {
891 if (check_connected(iterate_ref_map
, &rm
, NULL
)) {
892 rc
= error(_("%s did not send all necessary objects\n"), url
);
897 prepare_format_display(ref_map
);
900 * We do a pass for each fetch_head_status type in their enum order, so
901 * merged entries are written before not-for-merge. That lets readers
902 * use FETCH_HEAD as a refname to refer to the ref to be merged.
904 for (want_status
= FETCH_HEAD_MERGE
;
905 want_status
<= FETCH_HEAD_IGNORE
;
907 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
908 struct ref
*ref
= NULL
;
909 const char *merge_status_marker
= "";
911 if (rm
->status
== REF_STATUS_REJECT_SHALLOW
) {
912 if (want_status
== FETCH_HEAD_MERGE
)
913 warning(_("reject %s because shallow roots are not allowed to be updated"),
914 rm
->peer_ref
? rm
->peer_ref
->name
: rm
->name
);
918 commit
= lookup_commit_reference_gently(the_repository
,
922 rm
->fetch_head_status
= FETCH_HEAD_NOT_FOR_MERGE
;
924 if (rm
->fetch_head_status
!= want_status
)
928 ref
= alloc_ref(rm
->peer_ref
->name
);
929 oidcpy(&ref
->old_oid
, &rm
->peer_ref
->old_oid
);
930 oidcpy(&ref
->new_oid
, &rm
->old_oid
);
931 ref
->force
= rm
->peer_ref
->force
;
934 if (recurse_submodules
!= RECURSE_SUBMODULES_OFF
)
935 check_for_new_submodule_commits(&rm
->old_oid
);
937 if (!strcmp(rm
->name
, "HEAD")) {
941 else if (starts_with(rm
->name
, "refs/heads/")) {
943 what
= rm
->name
+ 11;
945 else if (starts_with(rm
->name
, "refs/tags/")) {
947 what
= rm
->name
+ 10;
949 else if (starts_with(rm
->name
, "refs/remotes/")) {
950 kind
= "remote-tracking branch";
951 what
= rm
->name
+ 13;
958 url_len
= strlen(url
);
959 for (i
= url_len
- 1; url
[i
] == '/' && 0 <= i
; i
--)
962 if (4 < i
&& !strncmp(".git", url
+ i
- 3, 4))
968 strbuf_addf(¬e
, "%s ", kind
);
969 strbuf_addf(¬e
, "'%s' of ", what
);
971 switch (rm
->fetch_head_status
) {
972 case FETCH_HEAD_NOT_FOR_MERGE
:
973 merge_status_marker
= "not-for-merge";
975 case FETCH_HEAD_MERGE
:
976 fprintf(fp
, "%s\t%s\t%s",
977 oid_to_hex(&rm
->old_oid
),
980 for (i
= 0; i
< url_len
; ++i
)
988 /* do not write anything to FETCH_HEAD */
994 rc
|= update_local_ref(ref
, what
, rm
, ¬e
,
998 format_display(¬e
, '*',
999 *kind
? kind
: "branch", NULL
,
1000 *what
? what
: "HEAD",
1001 "FETCH_HEAD", summary_width
);
1003 if (verbosity
>= 0 && !shown_url
) {
1004 fprintf(stderr
, _("From %.*s\n"),
1009 fprintf(stderr
, " %s\n", note
.buf
);
1014 if (rc
& STORE_REF_ERROR_DF_CONFLICT
)
1015 error(_("some local refs could not be updated; try running\n"
1016 " 'git remote prune %s' to remove any old, conflicting "
1017 "branches"), remote_name
);
1019 if (advice_fetch_show_forced_updates
) {
1020 if (!fetch_show_forced_updates
) {
1021 warning(_(warn_show_forced_updates
));
1022 } else if (forced_updates_ms
> FORCED_UPDATES_DELAY_WARNING_IN_MS
) {
1023 warning(_(warn_time_show_forced_updates
),
1024 forced_updates_ms
/ 1000.0);
1029 strbuf_release(¬e
);
1036 * We would want to bypass the object transfer altogether if
1037 * everything we are going to fetch already exists and is connected
1040 static int check_exist_and_connected(struct ref
*ref_map
)
1042 struct ref
*rm
= ref_map
;
1043 struct check_connected_options opt
= CHECK_CONNECTED_INIT
;
1047 * If we are deepening a shallow clone we already have these
1048 * objects reachable. Running rev-list here will return with
1049 * a good (0) exit status and we'll bypass the fetch that we
1050 * really need to perform. Claiming failure now will ensure
1051 * we perform the network exchange to deepen our history.
1057 * check_connected() allows objects to merely be promised, but
1058 * we need all direct targets to exist.
1060 for (r
= rm
; r
; r
= r
->next
) {
1061 if (!has_object_file(&r
->old_oid
))
1066 return check_connected(iterate_ref_map
, &rm
, &opt
);
1069 static int fetch_refs(struct transport
*transport
, struct ref
*ref_map
)
1071 int ret
= check_exist_and_connected(ref_map
);
1073 ret
= transport_fetch_refs(transport
, ref_map
);
1076 * Keep the new pack's ".keep" file around to allow the caller
1077 * time to update refs to reference the new objects.
1080 transport_unlock_pack(transport
);
1084 /* Update local refs based on the ref values fetched from a remote */
1085 static int consume_refs(struct transport
*transport
, struct ref
*ref_map
)
1087 int connectivity_checked
= transport
->smart_options
1088 ? transport
->smart_options
->connectivity_checked
: 0;
1089 int ret
= store_updated_refs(transport
->url
,
1090 transport
->remote
->name
,
1091 connectivity_checked
,
1093 transport_unlock_pack(transport
);
1097 static int prune_refs(struct refspec
*rs
, struct ref
*ref_map
,
1098 const char *raw_url
)
1100 int url_len
, i
, result
= 0;
1101 struct ref
*ref
, *stale_refs
= get_stale_heads(rs
, ref_map
);
1103 int summary_width
= transport_summary_width(stale_refs
);
1104 const char *dangling_msg
= dry_run
1105 ? _(" (%s will become dangling)")
1106 : _(" (%s has become dangling)");
1109 url
= transport_anonymize_url(raw_url
);
1111 url
= xstrdup("foreign");
1113 url_len
= strlen(url
);
1114 for (i
= url_len
- 1; url
[i
] == '/' && 0 <= i
; i
--)
1118 if (4 < i
&& !strncmp(".git", url
+ i
- 3, 4))
1122 struct string_list refnames
= STRING_LIST_INIT_NODUP
;
1124 for (ref
= stale_refs
; ref
; ref
= ref
->next
)
1125 string_list_append(&refnames
, ref
->name
);
1127 result
= delete_refs("fetch: prune", &refnames
, 0);
1128 string_list_clear(&refnames
, 0);
1131 if (verbosity
>= 0) {
1132 for (ref
= stale_refs
; ref
; ref
= ref
->next
) {
1133 struct strbuf sb
= STRBUF_INIT
;
1135 fprintf(stderr
, _("From %.*s\n"), url_len
, url
);
1138 format_display(&sb
, '-', _("[deleted]"), NULL
,
1139 _("(none)"), prettify_refname(ref
->name
),
1141 fprintf(stderr
, " %s\n",sb
.buf
);
1142 strbuf_release(&sb
);
1143 warn_dangling_symref(stderr
, dangling_msg
, ref
->name
);
1148 free_refs(stale_refs
);
1152 static void check_not_current_branch(struct ref
*ref_map
)
1154 struct branch
*current_branch
= branch_get(NULL
);
1156 if (is_bare_repository() || !current_branch
)
1159 for (; ref_map
; ref_map
= ref_map
->next
)
1160 if (ref_map
->peer_ref
&& !strcmp(current_branch
->refname
,
1161 ref_map
->peer_ref
->name
))
1162 die(_("Refusing to fetch into current branch %s "
1163 "of non-bare repository"), current_branch
->refname
);
1166 static int truncate_fetch_head(void)
1168 const char *filename
= git_path_fetch_head(the_repository
);
1169 FILE *fp
= fopen_for_writing(filename
);
1172 return error_errno(_("cannot open %s"), filename
);
1177 static void set_option(struct transport
*transport
, const char *name
, const char *value
)
1179 int r
= transport_set_option(transport
, name
, value
);
1181 die(_("Option \"%s\" value \"%s\" is not valid for %s"),
1182 name
, value
, transport
->url
);
1184 warning(_("Option \"%s\" is ignored for %s\n"),
1185 name
, transport
->url
);
1189 static int add_oid(const char *refname
, const struct object_id
*oid
, int flags
,
1192 struct oid_array
*oids
= cb_data
;
1194 oid_array_append(oids
, oid
);
1198 static void add_negotiation_tips(struct git_transport_options
*smart_options
)
1200 struct oid_array
*oids
= xcalloc(1, sizeof(*oids
));
1203 for (i
= 0; i
< negotiation_tip
.nr
; i
++) {
1204 const char *s
= negotiation_tip
.items
[i
].string
;
1206 if (!has_glob_specials(s
)) {
1207 struct object_id oid
;
1208 if (get_oid(s
, &oid
))
1209 die("%s is not a valid object", s
);
1210 oid_array_append(oids
, &oid
);
1214 for_each_glob_ref(add_oid
, s
, oids
);
1215 if (old_nr
== oids
->nr
)
1216 warning("Ignoring --negotiation-tip=%s because it does not match any refs",
1219 smart_options
->negotiation_tips
= oids
;
1222 static struct transport
*prepare_transport(struct remote
*remote
, int deepen
)
1224 struct transport
*transport
;
1226 transport
= transport_get(remote
, NULL
);
1227 transport_set_verbosity(transport
, verbosity
, progress
);
1228 transport
->family
= family
;
1230 set_option(transport
, TRANS_OPT_UPLOADPACK
, upload_pack
);
1232 set_option(transport
, TRANS_OPT_KEEP
, "yes");
1234 set_option(transport
, TRANS_OPT_DEPTH
, depth
);
1235 if (deepen
&& deepen_since
)
1236 set_option(transport
, TRANS_OPT_DEEPEN_SINCE
, deepen_since
);
1237 if (deepen
&& deepen_not
.nr
)
1238 set_option(transport
, TRANS_OPT_DEEPEN_NOT
,
1239 (const char *)&deepen_not
);
1240 if (deepen_relative
)
1241 set_option(transport
, TRANS_OPT_DEEPEN_RELATIVE
, "yes");
1243 set_option(transport
, TRANS_OPT_UPDATE_SHALLOW
, "yes");
1244 if (filter_options
.choice
) {
1245 struct strbuf expanded_filter_spec
= STRBUF_INIT
;
1246 expand_list_objects_filter_spec(&filter_options
,
1247 &expanded_filter_spec
);
1248 set_option(transport
, TRANS_OPT_LIST_OBJECTS_FILTER
,
1249 expanded_filter_spec
.buf
);
1250 set_option(transport
, TRANS_OPT_FROM_PROMISOR
, "1");
1251 strbuf_release(&expanded_filter_spec
);
1253 if (negotiation_tip
.nr
) {
1254 if (transport
->smart_options
)
1255 add_negotiation_tips(transport
->smart_options
);
1257 warning("Ignoring --negotiation-tip because the protocol does not support it.");
1262 static void backfill_tags(struct transport
*transport
, struct ref
*ref_map
)
1267 * Once we have set TRANS_OPT_DEEPEN_SINCE, we can't unset it
1268 * when remote helper is used (setting it to an empty string
1269 * is not unsetting). We could extend the remote helper
1270 * protocol for that, but for now, just force a new connection
1271 * without deepen-since. Similar story for deepen-not.
1273 cannot_reuse
= transport
->cannot_reuse
||
1274 deepen_since
|| deepen_not
.nr
;
1276 gsecondary
= prepare_transport(transport
->remote
, 0);
1277 transport
= gsecondary
;
1280 transport_set_option(transport
, TRANS_OPT_FOLLOWTAGS
, NULL
);
1281 transport_set_option(transport
, TRANS_OPT_DEPTH
, "0");
1282 transport_set_option(transport
, TRANS_OPT_DEEPEN_RELATIVE
, NULL
);
1283 if (!fetch_refs(transport
, ref_map
))
1284 consume_refs(transport
, ref_map
);
1287 transport_disconnect(gsecondary
);
1292 static int do_fetch(struct transport
*transport
,
1295 struct ref
*ref_map
;
1296 int autotags
= (transport
->remote
->fetch_tags
== 1);
1298 const struct ref
*remote_refs
;
1299 struct argv_array ref_prefixes
= ARGV_ARRAY_INIT
;
1300 int must_list_refs
= 1;
1302 if (tags
== TAGS_DEFAULT
) {
1303 if (transport
->remote
->fetch_tags
== 2)
1305 if (transport
->remote
->fetch_tags
== -1)
1309 /* if not appending, truncate FETCH_HEAD */
1310 if (!append
&& !dry_run
) {
1311 retcode
= truncate_fetch_head();
1319 refspec_ref_prefixes(rs
, &ref_prefixes
);
1322 * We can avoid listing refs if all of them are exact
1326 for (i
= 0; i
< rs
->nr
; i
++) {
1327 if (!rs
->items
[i
].exact_sha1
) {
1332 } else if (transport
->remote
&& transport
->remote
->fetch
.nr
)
1333 refspec_ref_prefixes(&transport
->remote
->fetch
, &ref_prefixes
);
1335 if (tags
== TAGS_SET
|| tags
== TAGS_DEFAULT
) {
1337 if (ref_prefixes
.argc
)
1338 argv_array_push(&ref_prefixes
, "refs/tags/");
1342 remote_refs
= transport_get_remote_refs(transport
, &ref_prefixes
);
1346 argv_array_clear(&ref_prefixes
);
1348 ref_map
= get_ref_map(transport
->remote
, remote_refs
, rs
,
1350 if (!update_head_ok
)
1351 check_not_current_branch(ref_map
);
1353 if (tags
== TAGS_DEFAULT
&& autotags
)
1354 transport_set_option(transport
, TRANS_OPT_FOLLOWTAGS
, "1");
1357 * We only prune based on refspecs specified
1358 * explicitly (via command line or configuration); we
1359 * don't care whether --tags was specified.
1362 prune_refs(rs
, ref_map
, transport
->url
);
1364 prune_refs(&transport
->remote
->fetch
,
1369 if (fetch_refs(transport
, ref_map
) || consume_refs(transport
, ref_map
)) {
1376 struct branch
*branch
= branch_get("HEAD");
1378 struct ref
*source_ref
= NULL
;
1381 * We're setting the upstream configuration for the
1382 * current branch. The relevent upstream is the
1383 * fetched branch that is meant to be merged with the
1384 * current one, i.e. the one fetched to FETCH_HEAD.
1386 * When there are several such branches, consider the
1387 * request ambiguous and err on the safe side by doing
1388 * nothing and just emit a warning.
1390 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
1391 if (!rm
->peer_ref
) {
1393 warning(_("multiple branch detected, incompatible with --set-upstream"));
1401 if (!strcmp(source_ref
->name
, "HEAD") ||
1402 starts_with(source_ref
->name
, "refs/heads/"))
1403 install_branch_config(0,
1405 transport
->remote
->name
,
1407 else if (starts_with(source_ref
->name
, "refs/remotes/"))
1408 warning(_("not setting upstream for a remote remote-tracking branch"));
1409 else if (starts_with(source_ref
->name
, "refs/tags/"))
1410 warning(_("not setting upstream for a remote tag"));
1412 warning(_("unknown branch type"));
1414 warning(_("no source branch found.\n"
1415 "you need to specify exactly one branch with the --set-upstream option."));
1421 /* if neither --no-tags nor --tags was specified, do automated tag
1423 if (tags
== TAGS_DEFAULT
&& autotags
) {
1424 struct ref
**tail
= &ref_map
;
1426 find_non_local_tags(remote_refs
, &ref_map
, &tail
);
1428 backfill_tags(transport
, ref_map
);
1436 static int get_one_remote_for_fetch(struct remote
*remote
, void *priv
)
1438 struct string_list
*list
= priv
;
1439 if (!remote
->skip_default_update
)
1440 string_list_append(list
, remote
->name
);
1444 struct remote_group_data
{
1446 struct string_list
*list
;
1449 static int get_remote_group(const char *key
, const char *value
, void *priv
)
1451 struct remote_group_data
*g
= priv
;
1453 if (skip_prefix(key
, "remotes.", &key
) && !strcmp(key
, g
->name
)) {
1454 /* split list by white space */
1456 size_t wordlen
= strcspn(value
, " \t\n");
1459 string_list_append_nodup(g
->list
,
1460 xstrndup(value
, wordlen
));
1461 value
+= wordlen
+ (value
[wordlen
] != '\0');
1468 static int add_remote_or_group(const char *name
, struct string_list
*list
)
1470 int prev_nr
= list
->nr
;
1471 struct remote_group_data g
;
1472 g
.name
= name
; g
.list
= list
;
1474 git_config(get_remote_group
, &g
);
1475 if (list
->nr
== prev_nr
) {
1476 struct remote
*remote
= remote_get(name
);
1477 if (!remote_is_configured(remote
, 0))
1479 string_list_append(list
, remote
->name
);
1484 static void add_options_to_argv(struct argv_array
*argv
)
1487 argv_array_push(argv
, "--dry-run");
1489 argv_array_push(argv
, prune
? "--prune" : "--no-prune");
1490 if (prune_tags
!= -1)
1491 argv_array_push(argv
, prune_tags
? "--prune-tags" : "--no-prune-tags");
1493 argv_array_push(argv
, "--update-head-ok");
1495 argv_array_push(argv
, "--force");
1497 argv_array_push(argv
, "--keep");
1498 if (recurse_submodules
== RECURSE_SUBMODULES_ON
)
1499 argv_array_push(argv
, "--recurse-submodules");
1500 else if (recurse_submodules
== RECURSE_SUBMODULES_ON_DEMAND
)
1501 argv_array_push(argv
, "--recurse-submodules=on-demand");
1502 if (tags
== TAGS_SET
)
1503 argv_array_push(argv
, "--tags");
1504 else if (tags
== TAGS_UNSET
)
1505 argv_array_push(argv
, "--no-tags");
1507 argv_array_push(argv
, "-v");
1509 argv_array_push(argv
, "-v");
1510 else if (verbosity
< 0)
1511 argv_array_push(argv
, "-q");
1515 static int fetch_multiple(struct string_list
*list
)
1518 struct argv_array argv
= ARGV_ARRAY_INIT
;
1520 if (!append
&& !dry_run
) {
1521 int errcode
= truncate_fetch_head();
1526 argv_array_pushl(&argv
, "fetch", "--append", "--no-auto-gc", NULL
);
1527 add_options_to_argv(&argv
);
1529 for (i
= 0; i
< list
->nr
; i
++) {
1530 const char *name
= list
->items
[i
].string
;
1531 argv_array_push(&argv
, name
);
1533 printf(_("Fetching %s\n"), name
);
1534 if (run_command_v_opt(argv
.argv
, RUN_GIT_CMD
)) {
1535 error(_("Could not fetch %s"), name
);
1538 argv_array_pop(&argv
);
1541 argv_array_clear(&argv
);
1546 * Fetching from the promisor remote should use the given filter-spec
1547 * or inherit the default filter-spec from the config.
1549 static inline void fetch_one_setup_partial(struct remote
*remote
)
1552 * Explicit --no-filter argument overrides everything, regardless
1553 * of any prior partial clones and fetches.
1555 if (filter_options
.no_filter
)
1559 * If no prior partial clone/fetch and the current fetch DID NOT
1560 * request a partial-fetch, do a normal fetch.
1562 if (!repository_format_partial_clone
&& !filter_options
.choice
)
1566 * If this is the FIRST partial-fetch request, we enable partial
1567 * on this repo and remember the given filter-spec as the default
1568 * for subsequent fetches to this remote.
1570 if (!repository_format_partial_clone
&& filter_options
.choice
) {
1571 partial_clone_register(remote
->name
, &filter_options
);
1576 * We are currently limited to only ONE promisor remote and only
1577 * allow partial-fetches from the promisor remote.
1579 if (strcmp(remote
->name
, repository_format_partial_clone
)) {
1580 if (filter_options
.choice
)
1581 die(_("--filter can only be used with the remote "
1582 "configured in extensions.partialClone"));
1587 * Do a partial-fetch from the promisor remote using either the
1588 * explicitly given filter-spec or inherit the filter-spec from
1591 if (!filter_options
.choice
)
1592 partial_clone_get_default_filter_spec(&filter_options
);
1596 static int fetch_one(struct remote
*remote
, int argc
, const char **argv
, int prune_tags_ok
)
1598 struct refspec rs
= REFSPEC_INIT_FETCH
;
1601 int maybe_prune_tags
;
1602 int remote_via_config
= remote_is_configured(remote
, 0);
1605 die(_("No remote repository specified. Please, specify either a URL or a\n"
1606 "remote name from which new revisions should be fetched."));
1608 gtransport
= prepare_transport(remote
, 1);
1611 /* no command line request */
1612 if (0 <= remote
->prune
)
1613 prune
= remote
->prune
;
1614 else if (0 <= fetch_prune_config
)
1615 prune
= fetch_prune_config
;
1617 prune
= PRUNE_BY_DEFAULT
;
1620 if (prune_tags
< 0) {
1621 /* no command line request */
1622 if (0 <= remote
->prune_tags
)
1623 prune_tags
= remote
->prune_tags
;
1624 else if (0 <= fetch_prune_tags_config
)
1625 prune_tags
= fetch_prune_tags_config
;
1627 prune_tags
= PRUNE_TAGS_BY_DEFAULT
;
1630 maybe_prune_tags
= prune_tags_ok
&& prune_tags
;
1631 if (maybe_prune_tags
&& remote_via_config
)
1632 refspec_append(&remote
->fetch
, TAG_REFSPEC
);
1634 if (maybe_prune_tags
&& (argc
|| !remote_via_config
))
1635 refspec_append(&rs
, TAG_REFSPEC
);
1637 for (i
= 0; i
< argc
; i
++) {
1638 if (!strcmp(argv
[i
], "tag")) {
1642 die(_("You need to specify a tag name."));
1644 tag
= xstrfmt("refs/tags/%s:refs/tags/%s",
1646 refspec_append(&rs
, tag
);
1649 refspec_append(&rs
, argv
[i
]);
1653 if (server_options
.nr
)
1654 gtransport
->server_options
= &server_options
;
1656 sigchain_push_common(unlock_pack_on_signal
);
1657 atexit(unlock_pack
);
1658 sigchain_push(SIGPIPE
, SIG_IGN
);
1659 exit_code
= do_fetch(gtransport
, &rs
);
1660 sigchain_pop(SIGPIPE
);
1662 transport_disconnect(gtransport
);
1667 int cmd_fetch(int argc
, const char **argv
, const char *prefix
)
1670 struct string_list list
= STRING_LIST_INIT_DUP
;
1671 struct remote
*remote
= NULL
;
1673 int prune_tags_ok
= 1;
1674 struct argv_array argv_gc_auto
= ARGV_ARRAY_INIT
;
1676 packet_trace_identity("fetch");
1678 fetch_if_missing
= 0;
1680 /* Record the command line for the reflog */
1681 strbuf_addstr(&default_rla
, "fetch");
1682 for (i
= 1; i
< argc
; i
++)
1683 strbuf_addf(&default_rla
, " %s", argv
[i
]);
1685 fetch_config_from_gitmodules(&max_children
, &recurse_submodules
);
1686 git_config(git_fetch_config
, NULL
);
1688 argc
= parse_options(argc
, argv
, prefix
,
1689 builtin_fetch_options
, builtin_fetch_usage
, 0);
1691 if (deepen_relative
) {
1692 if (deepen_relative
< 0)
1693 die(_("Negative depth in --deepen is not supported"));
1695 die(_("--deepen and --depth are mutually exclusive"));
1696 depth
= xstrfmt("%d", deepen_relative
);
1700 die(_("--depth and --unshallow cannot be used together"));
1701 else if (!is_repository_shallow(the_repository
))
1702 die(_("--unshallow on a complete repository does not make sense"));
1704 depth
= xstrfmt("%d", INFINITE_DEPTH
);
1707 /* no need to be strict, transport_set_option() will validate it again */
1708 if (depth
&& atoi(depth
) < 1)
1709 die(_("depth %s is not a positive number"), depth
);
1710 if (depth
|| deepen_since
|| deepen_not
.nr
)
1713 if (filter_options
.choice
&& !repository_format_partial_clone
)
1714 die("--filter can only be used when extensions.partialClone is set");
1718 die(_("fetch --all does not take a repository argument"));
1720 die(_("fetch --all does not make sense with refspecs"));
1721 (void) for_each_remote(get_one_remote_for_fetch
, &list
);
1722 } else if (argc
== 0) {
1723 /* No arguments -- use default remote */
1724 remote
= remote_get(NULL
);
1725 } else if (multiple
) {
1726 /* All arguments are assumed to be remotes or groups */
1727 for (i
= 0; i
< argc
; i
++)
1728 if (!add_remote_or_group(argv
[i
], &list
))
1729 die(_("No such remote or remote group: %s"), argv
[i
]);
1731 /* Single remote or group */
1732 (void) add_remote_or_group(argv
[0], &list
);
1734 /* More than one remote */
1736 die(_("Fetching a group and specifying refspecs does not make sense"));
1738 /* Zero or one remotes */
1739 remote
= remote_get(argv
[0]);
1740 prune_tags_ok
= (argc
== 1);
1747 if (filter_options
.choice
|| repository_format_partial_clone
)
1748 fetch_one_setup_partial(remote
);
1749 result
= fetch_one(remote
, argc
, argv
, prune_tags_ok
);
1751 if (filter_options
.choice
)
1752 die(_("--filter can only be used with the remote "
1753 "configured in extensions.partialclone"));
1754 /* TODO should this also die if we have a previous partial-clone? */
1755 result
= fetch_multiple(&list
);
1758 if (!result
&& (recurse_submodules
!= RECURSE_SUBMODULES_OFF
)) {
1759 struct argv_array options
= ARGV_ARRAY_INIT
;
1761 add_options_to_argv(&options
);
1762 result
= fetch_populated_submodules(the_repository
,
1766 recurse_submodules_default
,
1769 argv_array_clear(&options
);
1772 string_list_clear(&list
, 0);
1774 close_object_store(the_repository
->objects
);
1776 if (enable_auto_gc
) {
1777 argv_array_pushl(&argv_gc_auto
, "gc", "--auto", NULL
);
1779 argv_array_push(&argv_gc_auto
, "--quiet");
1780 run_command_v_opt(argv_gc_auto
.argv
, RUN_GIT_CMD
);
1781 argv_array_clear(&argv_gc_auto
);