7 #include "repository.h"
10 #include "object-store.h"
14 #include "string-list.h"
16 #include "transport.h"
17 #include "run-command.h"
18 #include "parse-options.h"
20 #include "submodule-config.h"
21 #include "submodule.h"
22 #include "connected.h"
26 #include "list-objects-filter-options.h"
27 #include "commit-reach.h"
29 #include "promisor-remote.h"
30 #include "commit-graph.h"
33 #include "bundle-uri.h"
35 #define FORCED_UPDATES_DELAY_WARNING_IN_MS (10 * 1000)
37 static const char * const builtin_fetch_usage
[] = {
38 N_("git fetch [<options>] [<repository> [<refspec>...]]"),
39 N_("git fetch [<options>] <group>"),
40 N_("git fetch --multiple [<options>] [(<repository> | <group>)...]"),
41 N_("git fetch --all [<options>]"),
51 static int fetch_prune_config
= -1; /* unspecified */
52 static int fetch_show_forced_updates
= 1;
53 static uint64_t forced_updates_ms
= 0;
54 static int prefetch
= 0;
55 static int prune
= -1; /* unspecified */
56 #define PRUNE_BY_DEFAULT 0 /* do we prune by default? */
58 static int fetch_prune_tags_config
= -1; /* unspecified */
59 static int prune_tags
= -1; /* unspecified */
60 #define PRUNE_TAGS_BY_DEFAULT 0 /* do we prune tags by default? */
62 static int all
, append
, dry_run
, force
, keep
, multiple
, update_head_ok
;
63 static int write_fetch_head
= 1;
64 static int verbosity
, deepen_relative
, set_upstream
, refetch
;
65 static int progress
= -1;
66 static int enable_auto_gc
= 1;
67 static int tags
= TAGS_DEFAULT
, unshallow
, update_shallow
, deepen
;
68 static int max_jobs
= -1, submodule_fetch_jobs_config
= -1;
69 static int fetch_parallel_config
= 1;
70 static int atomic_fetch
;
71 static enum transport_family family
;
72 static const char *depth
;
73 static const char *deepen_since
;
74 static const char *upload_pack
;
75 static struct string_list deepen_not
= STRING_LIST_INIT_NODUP
;
76 static struct strbuf default_rla
= STRBUF_INIT
;
77 static struct transport
*gtransport
;
78 static struct transport
*gsecondary
;
79 static const char *submodule_prefix
= "";
80 static int recurse_submodules
= RECURSE_SUBMODULES_DEFAULT
;
81 static int recurse_submodules_cli
= RECURSE_SUBMODULES_DEFAULT
;
82 static int recurse_submodules_default
= RECURSE_SUBMODULES_ON_DEMAND
;
83 static int shown_url
= 0;
84 static struct refspec refmap
= REFSPEC_INIT_FETCH
;
85 static struct list_objects_filter_options filter_options
= LIST_OBJECTS_FILTER_INIT
;
86 static struct string_list server_options
= STRING_LIST_INIT_DUP
;
87 static struct string_list negotiation_tip
= STRING_LIST_INIT_NODUP
;
88 static int fetch_write_commit_graph
= -1;
89 static int stdin_refspecs
= 0;
90 static int negotiate_only
;
92 static int git_fetch_config(const char *k
, const char *v
, void *cb
)
94 if (!strcmp(k
, "fetch.prune")) {
95 fetch_prune_config
= git_config_bool(k
, v
);
99 if (!strcmp(k
, "fetch.prunetags")) {
100 fetch_prune_tags_config
= git_config_bool(k
, v
);
104 if (!strcmp(k
, "fetch.showforcedupdates")) {
105 fetch_show_forced_updates
= git_config_bool(k
, v
);
109 if (!strcmp(k
, "submodule.recurse")) {
110 int r
= git_config_bool(k
, v
) ?
111 RECURSE_SUBMODULES_ON
: RECURSE_SUBMODULES_OFF
;
112 recurse_submodules
= r
;
115 if (!strcmp(k
, "submodule.fetchjobs")) {
116 submodule_fetch_jobs_config
= parse_submodule_fetchjobs(k
, v
);
118 } else if (!strcmp(k
, "fetch.recursesubmodules")) {
119 recurse_submodules
= parse_fetch_recurse_submodules_arg(k
, v
);
123 if (!strcmp(k
, "fetch.parallel")) {
124 fetch_parallel_config
= git_config_int(k
, v
);
125 if (fetch_parallel_config
< 0)
126 die(_("fetch.parallel cannot be negative"));
127 if (!fetch_parallel_config
)
128 fetch_parallel_config
= online_cpus();
132 return git_default_config(k
, v
, cb
);
135 static int parse_refmap_arg(const struct option
*opt
, const char *arg
, int unset
)
137 BUG_ON_OPT_NEG(unset
);
140 * "git fetch --refmap='' origin foo"
141 * can be used to tell the command not to store anywhere
143 refspec_append(&refmap
, arg
);
148 static struct option builtin_fetch_options
[] = {
149 OPT__VERBOSITY(&verbosity
),
150 OPT_BOOL(0, "all", &all
,
151 N_("fetch from all remotes")),
152 OPT_BOOL(0, "set-upstream", &set_upstream
,
153 N_("set upstream for git pull/fetch")),
154 OPT_BOOL('a', "append", &append
,
155 N_("append to .git/FETCH_HEAD instead of overwriting")),
156 OPT_BOOL(0, "atomic", &atomic_fetch
,
157 N_("use atomic transaction to update references")),
158 OPT_STRING(0, "upload-pack", &upload_pack
, N_("path"),
159 N_("path to upload pack on remote end")),
160 OPT__FORCE(&force
, N_("force overwrite of local reference"), 0),
161 OPT_BOOL('m', "multiple", &multiple
,
162 N_("fetch from multiple remotes")),
163 OPT_SET_INT('t', "tags", &tags
,
164 N_("fetch all tags and associated objects"), TAGS_SET
),
165 OPT_SET_INT('n', NULL
, &tags
,
166 N_("do not fetch all tags (--no-tags)"), TAGS_UNSET
),
167 OPT_INTEGER('j', "jobs", &max_jobs
,
168 N_("number of submodules fetched in parallel")),
169 OPT_BOOL(0, "prefetch", &prefetch
,
170 N_("modify the refspec to place all refs within refs/prefetch/")),
171 OPT_BOOL('p', "prune", &prune
,
172 N_("prune remote-tracking branches no longer on remote")),
173 OPT_BOOL('P', "prune-tags", &prune_tags
,
174 N_("prune local tags no longer on remote and clobber changed tags")),
175 OPT_CALLBACK_F(0, "recurse-submodules", &recurse_submodules_cli
, N_("on-demand"),
176 N_("control recursive fetching of submodules"),
177 PARSE_OPT_OPTARG
, option_fetch_parse_recurse_submodules
),
178 OPT_BOOL(0, "dry-run", &dry_run
,
180 OPT_BOOL(0, "write-fetch-head", &write_fetch_head
,
181 N_("write fetched references to the FETCH_HEAD file")),
182 OPT_BOOL('k', "keep", &keep
, N_("keep downloaded pack")),
183 OPT_BOOL('u', "update-head-ok", &update_head_ok
,
184 N_("allow updating of HEAD ref")),
185 OPT_BOOL(0, "progress", &progress
, N_("force progress reporting")),
186 OPT_STRING(0, "depth", &depth
, N_("depth"),
187 N_("deepen history of shallow clone")),
188 OPT_STRING(0, "shallow-since", &deepen_since
, N_("time"),
189 N_("deepen history of shallow repository based on time")),
190 OPT_STRING_LIST(0, "shallow-exclude", &deepen_not
, N_("revision"),
191 N_("deepen history of shallow clone, excluding rev")),
192 OPT_INTEGER(0, "deepen", &deepen_relative
,
193 N_("deepen history of shallow clone")),
194 OPT_SET_INT_F(0, "unshallow", &unshallow
,
195 N_("convert to a complete repository"),
197 OPT_SET_INT_F(0, "refetch", &refetch
,
198 N_("re-fetch without negotiating common commits"),
200 { OPTION_STRING
, 0, "submodule-prefix", &submodule_prefix
, N_("dir"),
201 N_("prepend this to submodule path output"), PARSE_OPT_HIDDEN
},
202 OPT_CALLBACK_F(0, "recurse-submodules-default",
203 &recurse_submodules_default
, N_("on-demand"),
204 N_("default for recursive fetching of submodules "
205 "(lower priority than config files)"),
206 PARSE_OPT_HIDDEN
, option_fetch_parse_recurse_submodules
),
207 OPT_BOOL(0, "update-shallow", &update_shallow
,
208 N_("accept refs that update .git/shallow")),
209 OPT_CALLBACK_F(0, "refmap", NULL
, N_("refmap"),
210 N_("specify fetch refmap"), PARSE_OPT_NONEG
, parse_refmap_arg
),
211 OPT_STRING_LIST('o', "server-option", &server_options
, N_("server-specific"), N_("option to transmit")),
212 OPT_SET_INT('4', "ipv4", &family
, N_("use IPv4 addresses only"),
213 TRANSPORT_FAMILY_IPV4
),
214 OPT_SET_INT('6', "ipv6", &family
, N_("use IPv6 addresses only"),
215 TRANSPORT_FAMILY_IPV6
),
216 OPT_STRING_LIST(0, "negotiation-tip", &negotiation_tip
, N_("revision"),
217 N_("report that we have only objects reachable from this object")),
218 OPT_BOOL(0, "negotiate-only", &negotiate_only
,
219 N_("do not fetch a packfile; instead, print ancestors of negotiation tips")),
220 OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options
),
221 OPT_BOOL(0, "auto-maintenance", &enable_auto_gc
,
222 N_("run 'maintenance --auto' after fetching")),
223 OPT_BOOL(0, "auto-gc", &enable_auto_gc
,
224 N_("run 'maintenance --auto' after fetching")),
225 OPT_BOOL(0, "show-forced-updates", &fetch_show_forced_updates
,
226 N_("check for forced-updates on all updated branches")),
227 OPT_BOOL(0, "write-commit-graph", &fetch_write_commit_graph
,
228 N_("write the commit-graph after fetching")),
229 OPT_BOOL(0, "stdin", &stdin_refspecs
,
230 N_("accept refspecs from stdin")),
234 static void unlock_pack(unsigned int flags
)
237 transport_unlock_pack(gtransport
, flags
);
239 transport_unlock_pack(gsecondary
, flags
);
242 static void unlock_pack_atexit(void)
247 static void unlock_pack_on_signal(int signo
)
249 unlock_pack(TRANSPORT_UNLOCK_PACK_IN_SIGNAL_HANDLER
);
254 static void add_merge_config(struct ref
**head
,
255 const struct ref
*remote_refs
,
256 struct branch
*branch
,
261 for (i
= 0; i
< branch
->merge_nr
; i
++) {
262 struct ref
*rm
, **old_tail
= *tail
;
263 struct refspec_item refspec
;
265 for (rm
= *head
; rm
; rm
= rm
->next
) {
266 if (branch_merge_matches(branch
, i
, rm
->name
)) {
267 rm
->fetch_head_status
= FETCH_HEAD_MERGE
;
275 * Not fetched to a remote-tracking branch? We need to fetch
276 * it anyway to allow this branch's "branch.$name.merge"
277 * to be honored by 'git pull', but we do not have to
278 * fail if branch.$name.merge is misconfigured to point
279 * at a nonexisting branch. If we were indeed called by
280 * 'git pull', it will notice the misconfiguration because
281 * there is no entry in the resulting FETCH_HEAD marked
284 memset(&refspec
, 0, sizeof(refspec
));
285 refspec
.src
= branch
->merge
[i
]->src
;
286 get_fetch_map(remote_refs
, &refspec
, tail
, 1);
287 for (rm
= *old_tail
; rm
; rm
= rm
->next
)
288 rm
->fetch_head_status
= FETCH_HEAD_MERGE
;
292 static void create_fetch_oidset(struct ref
**head
, struct oidset
*out
)
294 struct ref
*rm
= *head
;
296 oidset_insert(out
, &rm
->old_oid
);
301 struct refname_hash_entry
{
302 struct hashmap_entry ent
;
303 struct object_id oid
;
305 char refname
[FLEX_ARRAY
];
308 static int refname_hash_entry_cmp(const void *hashmap_cmp_fn_data UNUSED
,
309 const struct hashmap_entry
*eptr
,
310 const struct hashmap_entry
*entry_or_key
,
313 const struct refname_hash_entry
*e1
, *e2
;
315 e1
= container_of(eptr
, const struct refname_hash_entry
, ent
);
316 e2
= container_of(entry_or_key
, const struct refname_hash_entry
, ent
);
317 return strcmp(e1
->refname
, keydata
? keydata
: e2
->refname
);
320 static struct refname_hash_entry
*refname_hash_add(struct hashmap
*map
,
322 const struct object_id
*oid
)
324 struct refname_hash_entry
*ent
;
325 size_t len
= strlen(refname
);
327 FLEX_ALLOC_MEM(ent
, refname
, refname
, len
);
328 hashmap_entry_init(&ent
->ent
, strhash(refname
));
329 oidcpy(&ent
->oid
, oid
);
330 hashmap_add(map
, &ent
->ent
);
334 static int add_one_refname(const char *refname
,
335 const struct object_id
*oid
,
336 int flag UNUSED
, void *cbdata
)
338 struct hashmap
*refname_map
= cbdata
;
340 (void) refname_hash_add(refname_map
, refname
, oid
);
344 static void refname_hash_init(struct hashmap
*map
)
346 hashmap_init(map
, refname_hash_entry_cmp
, NULL
, 0);
349 static int refname_hash_exists(struct hashmap
*map
, const char *refname
)
351 return !!hashmap_get_from_hash(map
, strhash(refname
), refname
);
354 static void clear_item(struct refname_hash_entry
*item
)
360 static void add_already_queued_tags(const char *refname
,
361 const struct object_id
*old_oid
,
362 const struct object_id
*new_oid
,
365 struct hashmap
*queued_tags
= cb_data
;
366 if (starts_with(refname
, "refs/tags/") && new_oid
)
367 (void) refname_hash_add(queued_tags
, refname
, new_oid
);
370 static void find_non_local_tags(const struct ref
*refs
,
371 struct ref_transaction
*transaction
,
375 struct hashmap existing_refs
;
376 struct hashmap remote_refs
;
377 struct oidset fetch_oids
= OIDSET_INIT
;
378 struct string_list remote_refs_list
= STRING_LIST_INIT_NODUP
;
379 struct string_list_item
*remote_ref_item
;
380 const struct ref
*ref
;
381 struct refname_hash_entry
*item
= NULL
;
382 const int quick_flags
= OBJECT_INFO_QUICK
| OBJECT_INFO_SKIP_FETCH_OBJECT
;
384 refname_hash_init(&existing_refs
);
385 refname_hash_init(&remote_refs
);
386 create_fetch_oidset(head
, &fetch_oids
);
388 for_each_ref(add_one_refname
, &existing_refs
);
391 * If we already have a transaction, then we need to filter out all
392 * tags which have already been queued up.
395 ref_transaction_for_each_queued_update(transaction
,
396 add_already_queued_tags
,
399 for (ref
= refs
; ref
; ref
= ref
->next
) {
400 if (!starts_with(ref
->name
, "refs/tags/"))
404 * The peeled ref always follows the matching base
405 * ref, so if we see a peeled ref that we don't want
406 * to fetch then we can mark the ref entry in the list
407 * as one to ignore by setting util to NULL.
409 if (ends_with(ref
->name
, "^{}")) {
411 !has_object_file_with_flags(&ref
->old_oid
, quick_flags
) &&
412 !oidset_contains(&fetch_oids
, &ref
->old_oid
) &&
413 !has_object_file_with_flags(&item
->oid
, quick_flags
) &&
414 !oidset_contains(&fetch_oids
, &item
->oid
))
421 * If item is non-NULL here, then we previously saw a
422 * ref not followed by a peeled reference, so we need
423 * to check if it is a lightweight tag that we want to
427 !has_object_file_with_flags(&item
->oid
, quick_flags
) &&
428 !oidset_contains(&fetch_oids
, &item
->oid
))
433 /* skip duplicates and refs that we already have */
434 if (refname_hash_exists(&remote_refs
, ref
->name
) ||
435 refname_hash_exists(&existing_refs
, ref
->name
))
438 item
= refname_hash_add(&remote_refs
, ref
->name
, &ref
->old_oid
);
439 string_list_insert(&remote_refs_list
, ref
->name
);
441 hashmap_clear_and_free(&existing_refs
, struct refname_hash_entry
, ent
);
444 * We may have a final lightweight tag that needs to be
445 * checked to see if it needs fetching.
448 !has_object_file_with_flags(&item
->oid
, quick_flags
) &&
449 !oidset_contains(&fetch_oids
, &item
->oid
))
453 * For all the tags in the remote_refs_list,
454 * add them to the list of refs to be fetched
456 for_each_string_list_item(remote_ref_item
, &remote_refs_list
) {
457 const char *refname
= remote_ref_item
->string
;
459 unsigned int hash
= strhash(refname
);
461 item
= hashmap_get_entry_from_hash(&remote_refs
, hash
, refname
,
462 struct refname_hash_entry
, ent
);
464 BUG("unseen remote ref?");
466 /* Unless we have already decided to ignore this item... */
470 rm
= alloc_ref(item
->refname
);
471 rm
->peer_ref
= alloc_ref(item
->refname
);
472 oidcpy(&rm
->old_oid
, &item
->oid
);
476 hashmap_clear_and_free(&remote_refs
, struct refname_hash_entry
, ent
);
477 string_list_clear(&remote_refs_list
, 0);
478 oidset_clear(&fetch_oids
);
481 static void filter_prefetch_refspec(struct refspec
*rs
)
488 for (i
= 0; i
< rs
->nr
; i
++) {
489 struct strbuf new_dst
= STRBUF_INIT
;
491 const char *sub
= NULL
;
493 if (rs
->items
[i
].negative
)
495 if (!rs
->items
[i
].dst
||
497 !strncmp(rs
->items
[i
].src
,
498 ref_namespace
[NAMESPACE_TAGS
].ref
,
499 strlen(ref_namespace
[NAMESPACE_TAGS
].ref
)))) {
502 free(rs
->items
[i
].src
);
503 free(rs
->items
[i
].dst
);
505 for (j
= i
+ 1; j
< rs
->nr
; j
++) {
506 rs
->items
[j
- 1] = rs
->items
[j
];
507 rs
->raw
[j
- 1] = rs
->raw
[j
];
514 old_dst
= rs
->items
[i
].dst
;
515 strbuf_addstr(&new_dst
, ref_namespace
[NAMESPACE_PREFETCH
].ref
);
518 * If old_dst starts with "refs/", then place
519 * sub after that prefix. Otherwise, start at
520 * the beginning of the string.
522 if (!skip_prefix(old_dst
, "refs/", &sub
))
524 strbuf_addstr(&new_dst
, sub
);
526 rs
->items
[i
].dst
= strbuf_detach(&new_dst
, NULL
);
527 rs
->items
[i
].force
= 1;
533 static struct ref
*get_ref_map(struct remote
*remote
,
534 const struct ref
*remote_refs
,
536 int tags
, int *autotags
)
540 struct ref
*ref_map
= NULL
;
541 struct ref
**tail
= &ref_map
;
543 /* opportunistically-updated references: */
544 struct ref
*orefs
= NULL
, **oref_tail
= &orefs
;
546 struct hashmap existing_refs
;
547 int existing_refs_populated
= 0;
549 filter_prefetch_refspec(rs
);
551 filter_prefetch_refspec(&remote
->fetch
);
554 struct refspec
*fetch_refspec
;
556 for (i
= 0; i
< rs
->nr
; i
++) {
557 get_fetch_map(remote_refs
, &rs
->items
[i
], &tail
, 0);
558 if (rs
->items
[i
].dst
&& rs
->items
[i
].dst
[0])
561 /* Merge everything on the command line (but not --tags) */
562 for (rm
= ref_map
; rm
; rm
= rm
->next
)
563 rm
->fetch_head_status
= FETCH_HEAD_MERGE
;
566 * For any refs that we happen to be fetching via
567 * command-line arguments, the destination ref might
568 * have been missing or have been different than the
569 * remote-tracking ref that would be derived from the
570 * configured refspec. In these cases, we want to
571 * take the opportunity to update their configured
572 * remote-tracking reference. However, we do not want
573 * to mention these entries in FETCH_HEAD at all, as
574 * they would simply be duplicates of existing
575 * entries, so we set them FETCH_HEAD_IGNORE below.
577 * We compute these entries now, based only on the
578 * refspecs specified on the command line. But we add
579 * them to the list following the refspecs resulting
580 * from the tags option so that one of the latter,
581 * which has FETCH_HEAD_NOT_FOR_MERGE, is not removed
582 * by ref_remove_duplicates() in favor of one of these
583 * opportunistic entries with FETCH_HEAD_IGNORE.
586 fetch_refspec
= &refmap
;
588 fetch_refspec
= &remote
->fetch
;
590 for (i
= 0; i
< fetch_refspec
->nr
; i
++)
591 get_fetch_map(ref_map
, &fetch_refspec
->items
[i
], &oref_tail
, 1);
592 } else if (refmap
.nr
) {
593 die("--refmap option is only meaningful with command-line refspec(s)");
595 /* Use the defaults */
596 struct branch
*branch
= branch_get(NULL
);
597 int has_merge
= branch_has_merge_config(branch
);
600 /* Note: has_merge implies non-NULL branch->remote_name */
601 (has_merge
&& !strcmp(branch
->remote_name
, remote
->name
)))) {
602 for (i
= 0; i
< remote
->fetch
.nr
; i
++) {
603 get_fetch_map(remote_refs
, &remote
->fetch
.items
[i
], &tail
, 0);
604 if (remote
->fetch
.items
[i
].dst
&&
605 remote
->fetch
.items
[i
].dst
[0])
607 if (!i
&& !has_merge
&& ref_map
&&
608 !remote
->fetch
.items
[0].pattern
)
609 ref_map
->fetch_head_status
= FETCH_HEAD_MERGE
;
612 * if the remote we're fetching from is the same
613 * as given in branch.<name>.remote, we add the
614 * ref given in branch.<name>.merge, too.
616 * Note: has_merge implies non-NULL branch->remote_name
619 !strcmp(branch
->remote_name
, remote
->name
))
620 add_merge_config(&ref_map
, remote_refs
, branch
, &tail
);
621 } else if (!prefetch
) {
622 ref_map
= get_remote_ref(remote_refs
, "HEAD");
624 die(_("couldn't find remote ref HEAD"));
625 ref_map
->fetch_head_status
= FETCH_HEAD_MERGE
;
626 tail
= &ref_map
->next
;
630 if (tags
== TAGS_SET
)
631 /* also fetch all tags */
632 get_fetch_map(remote_refs
, tag_refspec
, &tail
, 0);
633 else if (tags
== TAGS_DEFAULT
&& *autotags
)
634 find_non_local_tags(remote_refs
, NULL
, &ref_map
, &tail
);
636 /* Now append any refs to be updated opportunistically: */
638 for (rm
= orefs
; rm
; rm
= rm
->next
) {
639 rm
->fetch_head_status
= FETCH_HEAD_IGNORE
;
644 * apply negative refspecs first, before we remove duplicates. This is
645 * necessary as negative refspecs might remove an otherwise conflicting
649 ref_map
= apply_negative_refspecs(ref_map
, rs
);
651 ref_map
= apply_negative_refspecs(ref_map
, &remote
->fetch
);
653 ref_map
= ref_remove_duplicates(ref_map
);
655 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
657 const char *refname
= rm
->peer_ref
->name
;
658 struct refname_hash_entry
*peer_item
;
659 unsigned int hash
= strhash(refname
);
661 if (!existing_refs_populated
) {
662 refname_hash_init(&existing_refs
);
663 for_each_ref(add_one_refname
, &existing_refs
);
664 existing_refs_populated
= 1;
667 peer_item
= hashmap_get_entry_from_hash(&existing_refs
,
669 struct refname_hash_entry
, ent
);
671 struct object_id
*old_oid
= &peer_item
->oid
;
672 oidcpy(&rm
->peer_ref
->old_oid
, old_oid
);
676 if (existing_refs_populated
)
677 hashmap_clear_and_free(&existing_refs
, struct refname_hash_entry
, ent
);
682 #define STORE_REF_ERROR_OTHER 1
683 #define STORE_REF_ERROR_DF_CONFLICT 2
685 static int s_update_ref(const char *action
,
687 struct ref_transaction
*transaction
,
691 char *rla
= getenv("GIT_REFLOG_ACTION");
692 struct ref_transaction
*our_transaction
= NULL
;
693 struct strbuf err
= STRBUF_INIT
;
699 rla
= default_rla
.buf
;
700 msg
= xstrfmt("%s: %s", rla
, action
);
703 * If no transaction was passed to us, we manage the transaction
704 * ourselves. Otherwise, we trust the caller to handle the transaction
708 transaction
= our_transaction
= ref_transaction_begin(&err
);
710 ret
= STORE_REF_ERROR_OTHER
;
715 ret
= ref_transaction_update(transaction
, ref
->name
, &ref
->new_oid
,
716 check_old
? &ref
->old_oid
: NULL
,
719 ret
= STORE_REF_ERROR_OTHER
;
723 if (our_transaction
) {
724 switch (ref_transaction_commit(our_transaction
, &err
)) {
727 case TRANSACTION_NAME_CONFLICT
:
728 ret
= STORE_REF_ERROR_DF_CONFLICT
;
731 ret
= STORE_REF_ERROR_OTHER
;
737 ref_transaction_free(our_transaction
);
739 error("%s", err
.buf
);
740 strbuf_release(&err
);
745 static int refcol_width
= 10;
746 static int compact_format
;
748 static void adjust_refcol_width(const struct ref
*ref
)
750 int max
, rlen
, llen
, len
;
752 /* uptodate lines are only shown on high verbosity level */
753 if (verbosity
<= 0 && oideq(&ref
->peer_ref
->old_oid
, &ref
->old_oid
))
756 max
= term_columns();
757 rlen
= utf8_strwidth(prettify_refname(ref
->name
));
759 llen
= utf8_strwidth(prettify_refname(ref
->peer_ref
->name
));
762 * rough estimation to see if the output line is too long and
763 * should not be counted (we can't do precise calculation
764 * anyway because we don't know if the error explanation part
765 * will be printed in update_local_ref)
767 if (compact_format
) {
771 len
= 21 /* flag and summary */ + rlen
+ 4 /* -> */ + llen
;
776 * Not precise calculation for compact mode because '*' can
777 * appear on the left hand side of '->' and shrink the column
780 if (refcol_width
< rlen
)
784 static void prepare_format_display(struct ref
*ref_map
)
787 const char *format
= "full";
792 git_config_get_string_tmp("fetch.output", &format
);
793 if (!strcasecmp(format
, "full"))
795 else if (!strcasecmp(format
, "compact"))
798 die(_("invalid value for '%s': '%s'"),
799 "fetch.output", format
);
801 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
802 if (rm
->status
== REF_STATUS_REJECT_SHALLOW
||
804 !strcmp(rm
->name
, "HEAD"))
807 adjust_refcol_width(rm
);
811 static void print_remote_to_local(struct strbuf
*display
,
812 const char *remote
, const char *local
)
814 strbuf_addf(display
, "%-*s -> %s", refcol_width
, remote
, local
);
817 static int find_and_replace(struct strbuf
*haystack
,
819 const char *placeholder
)
821 const char *p
= NULL
;
824 nlen
= strlen(needle
);
825 if (ends_with(haystack
->buf
, needle
))
826 p
= haystack
->buf
+ haystack
->len
- nlen
;
828 p
= strstr(haystack
->buf
, needle
);
832 if (p
> haystack
->buf
&& p
[-1] != '/')
836 if (plen
> nlen
&& p
[nlen
] != '/')
839 strbuf_splice(haystack
, p
- haystack
->buf
, nlen
,
840 placeholder
, strlen(placeholder
));
844 static void print_compact(struct strbuf
*display
,
845 const char *remote
, const char *local
)
847 struct strbuf r
= STRBUF_INIT
;
848 struct strbuf l
= STRBUF_INIT
;
850 if (!strcmp(remote
, local
)) {
851 strbuf_addf(display
, "%-*s -> *", refcol_width
, remote
);
855 strbuf_addstr(&r
, remote
);
856 strbuf_addstr(&l
, local
);
858 if (!find_and_replace(&r
, local
, "*"))
859 find_and_replace(&l
, remote
, "*");
860 print_remote_to_local(display
, r
.buf
, l
.buf
);
866 static void format_display(struct strbuf
*display
, char code
,
867 const char *summary
, const char *error
,
868 const char *remote
, const char *local
,
876 width
= (summary_width
+ strlen(summary
) - gettext_width(summary
));
878 strbuf_addf(display
, "%c %-*s ", code
, width
, summary
);
880 print_remote_to_local(display
, remote
, local
);
882 print_compact(display
, remote
, local
);
884 strbuf_addf(display
, " (%s)", error
);
887 static int update_local_ref(struct ref
*ref
,
888 struct ref_transaction
*transaction
,
889 const char *remote
, const struct ref
*remote_ref
,
890 struct strbuf
*display
, int summary_width
)
892 struct commit
*current
= NULL
, *updated
;
893 const char *pretty_ref
= prettify_refname(ref
->name
);
894 int fast_forward
= 0;
896 if (!repo_has_object_file(the_repository
, &ref
->new_oid
))
897 die(_("object %s not found"), oid_to_hex(&ref
->new_oid
));
899 if (oideq(&ref
->old_oid
, &ref
->new_oid
)) {
901 format_display(display
, '=', _("[up to date]"), NULL
,
902 remote
, pretty_ref
, summary_width
);
906 if (!update_head_ok
&&
907 !is_null_oid(&ref
->old_oid
) &&
908 branch_checked_out(ref
->name
)) {
910 * If this is the head, and it's not okay to update
911 * the head, and the old value of the head isn't empty...
913 format_display(display
, '!', _("[rejected]"),
914 _("can't fetch into checked-out branch"),
915 remote
, pretty_ref
, summary_width
);
919 if (!is_null_oid(&ref
->old_oid
) &&
920 starts_with(ref
->name
, "refs/tags/")) {
921 if (force
|| ref
->force
) {
923 r
= s_update_ref("updating tag", ref
, transaction
, 0);
924 format_display(display
, r
? '!' : 't', _("[tag update]"),
925 r
? _("unable to update local ref") : NULL
,
926 remote
, pretty_ref
, summary_width
);
929 format_display(display
, '!', _("[rejected]"), _("would clobber existing tag"),
930 remote
, pretty_ref
, summary_width
);
935 current
= lookup_commit_reference_gently(the_repository
,
937 updated
= lookup_commit_reference_gently(the_repository
,
939 if (!current
|| !updated
) {
944 * Nicely describe the new ref we're fetching.
945 * Base this on the remote's ref name, as it's
946 * more likely to follow a standard layout.
948 const char *name
= remote_ref
? remote_ref
->name
: "";
949 if (starts_with(name
, "refs/tags/")) {
951 what
= _("[new tag]");
952 } else if (starts_with(name
, "refs/heads/")) {
953 msg
= "storing head";
954 what
= _("[new branch]");
957 what
= _("[new ref]");
960 r
= s_update_ref(msg
, ref
, transaction
, 0);
961 format_display(display
, r
? '!' : '*', what
,
962 r
? _("unable to update local ref") : NULL
,
963 remote
, pretty_ref
, summary_width
);
967 if (fetch_show_forced_updates
) {
968 uint64_t t_before
= getnanotime();
969 fast_forward
= in_merge_bases(current
, updated
);
970 forced_updates_ms
+= (getnanotime() - t_before
) / 1000000;
976 struct strbuf quickref
= STRBUF_INIT
;
979 strbuf_add_unique_abbrev(&quickref
, ¤t
->object
.oid
, DEFAULT_ABBREV
);
980 strbuf_addstr(&quickref
, "..");
981 strbuf_add_unique_abbrev(&quickref
, &ref
->new_oid
, DEFAULT_ABBREV
);
982 r
= s_update_ref("fast-forward", ref
, transaction
, 1);
983 format_display(display
, r
? '!' : ' ', quickref
.buf
,
984 r
? _("unable to update local ref") : NULL
,
985 remote
, pretty_ref
, summary_width
);
986 strbuf_release(&quickref
);
988 } else if (force
|| ref
->force
) {
989 struct strbuf quickref
= STRBUF_INIT
;
991 strbuf_add_unique_abbrev(&quickref
, ¤t
->object
.oid
, DEFAULT_ABBREV
);
992 strbuf_addstr(&quickref
, "...");
993 strbuf_add_unique_abbrev(&quickref
, &ref
->new_oid
, DEFAULT_ABBREV
);
994 r
= s_update_ref("forced-update", ref
, transaction
, 1);
995 format_display(display
, r
? '!' : '+', quickref
.buf
,
996 r
? _("unable to update local ref") : _("forced update"),
997 remote
, pretty_ref
, summary_width
);
998 strbuf_release(&quickref
);
1001 format_display(display
, '!', _("[rejected]"), _("non-fast-forward"),
1002 remote
, pretty_ref
, summary_width
);
1007 static const struct object_id
*iterate_ref_map(void *cb_data
)
1009 struct ref
**rm
= cb_data
;
1010 struct ref
*ref
= *rm
;
1012 while (ref
&& ref
->status
== REF_STATUS_REJECT_SHALLOW
)
1017 return &ref
->old_oid
;
1025 static int open_fetch_head(struct fetch_head
*fetch_head
)
1027 const char *filename
= git_path_fetch_head(the_repository
);
1029 if (write_fetch_head
) {
1030 fetch_head
->fp
= fopen(filename
, "a");
1031 if (!fetch_head
->fp
)
1032 return error_errno(_("cannot open '%s'"), filename
);
1033 strbuf_init(&fetch_head
->buf
, 0);
1035 fetch_head
->fp
= NULL
;
1041 static void append_fetch_head(struct fetch_head
*fetch_head
,
1042 const struct object_id
*old_oid
,
1043 enum fetch_head_status fetch_head_status
,
1045 const char *url
, size_t url_len
)
1047 char old_oid_hex
[GIT_MAX_HEXSZ
+ 1];
1048 const char *merge_status_marker
;
1051 if (!fetch_head
->fp
)
1054 switch (fetch_head_status
) {
1055 case FETCH_HEAD_NOT_FOR_MERGE
:
1056 merge_status_marker
= "not-for-merge";
1058 case FETCH_HEAD_MERGE
:
1059 merge_status_marker
= "";
1062 /* do not write anything to FETCH_HEAD */
1066 strbuf_addf(&fetch_head
->buf
, "%s\t%s\t%s",
1067 oid_to_hex_r(old_oid_hex
, old_oid
), merge_status_marker
, note
);
1068 for (i
= 0; i
< url_len
; ++i
)
1070 strbuf_addstr(&fetch_head
->buf
, "\\n");
1072 strbuf_addch(&fetch_head
->buf
, url
[i
]);
1073 strbuf_addch(&fetch_head
->buf
, '\n');
1076 * When using an atomic fetch, we do not want to update FETCH_HEAD if
1077 * any of the reference updates fails. We thus have to write all
1078 * updates to a buffer first and only commit it as soon as all
1079 * references have been successfully updated.
1081 if (!atomic_fetch
) {
1082 strbuf_write(&fetch_head
->buf
, fetch_head
->fp
);
1083 strbuf_reset(&fetch_head
->buf
);
1087 static void commit_fetch_head(struct fetch_head
*fetch_head
)
1089 if (!fetch_head
->fp
|| !atomic_fetch
)
1091 strbuf_write(&fetch_head
->buf
, fetch_head
->fp
);
1094 static void close_fetch_head(struct fetch_head
*fetch_head
)
1096 if (!fetch_head
->fp
)
1099 fclose(fetch_head
->fp
);
1100 strbuf_release(&fetch_head
->buf
);
1103 static const char warn_show_forced_updates
[] =
1104 N_("fetch normally indicates which branches had a forced update,\n"
1105 "but that check has been disabled; to re-enable, use '--show-forced-updates'\n"
1106 "flag or run 'git config fetch.showForcedUpdates true'");
1107 static const char warn_time_show_forced_updates
[] =
1108 N_("it took %.2f seconds to check forced updates; you can use\n"
1109 "'--no-show-forced-updates' or run 'git config fetch.showForcedUpdates false'\n"
1110 "to avoid this check\n");
1112 static int store_updated_refs(const char *raw_url
, const char *remote_name
,
1113 int connectivity_checked
,
1114 struct ref_transaction
*transaction
, struct ref
*ref_map
,
1115 struct fetch_head
*fetch_head
)
1117 int url_len
, i
, rc
= 0;
1118 struct strbuf note
= STRBUF_INIT
;
1119 const char *what
, *kind
;
1123 int summary_width
= 0;
1126 summary_width
= transport_summary_width(ref_map
);
1129 url
= transport_anonymize_url(raw_url
);
1131 url
= xstrdup("foreign");
1133 if (!connectivity_checked
) {
1134 struct check_connected_options opt
= CHECK_CONNECTED_INIT
;
1136 opt
.exclude_hidden_refs_section
= "fetch";
1138 if (check_connected(iterate_ref_map
, &rm
, &opt
)) {
1139 rc
= error(_("%s did not send all necessary objects\n"), url
);
1144 prepare_format_display(ref_map
);
1147 * We do a pass for each fetch_head_status type in their enum order, so
1148 * merged entries are written before not-for-merge. That lets readers
1149 * use FETCH_HEAD as a refname to refer to the ref to be merged.
1151 for (want_status
= FETCH_HEAD_MERGE
;
1152 want_status
<= FETCH_HEAD_IGNORE
;
1154 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
1155 struct ref
*ref
= NULL
;
1157 if (rm
->status
== REF_STATUS_REJECT_SHALLOW
) {
1158 if (want_status
== FETCH_HEAD_MERGE
)
1159 warning(_("rejected %s because shallow roots are not allowed to be updated"),
1160 rm
->peer_ref
? rm
->peer_ref
->name
: rm
->name
);
1165 * When writing FETCH_HEAD we need to determine whether
1166 * we already have the commit or not. If not, then the
1167 * reference is not for merge and needs to be written
1168 * to the reflog after other commits which we already
1169 * have. We're not interested in this property though
1170 * in case FETCH_HEAD is not to be updated, so we can
1171 * skip the classification in that case.
1173 if (fetch_head
->fp
) {
1174 struct commit
*commit
= NULL
;
1177 * References in "refs/tags/" are often going to point
1178 * to annotated tags, which are not part of the
1179 * commit-graph. We thus only try to look up refs in
1180 * the graph which are not in that namespace to not
1181 * regress performance in repositories with many
1184 if (!starts_with(rm
->name
, "refs/tags/"))
1185 commit
= lookup_commit_in_graph(the_repository
, &rm
->old_oid
);
1187 commit
= lookup_commit_reference_gently(the_repository
,
1191 rm
->fetch_head_status
= FETCH_HEAD_NOT_FOR_MERGE
;
1195 if (rm
->fetch_head_status
!= want_status
)
1199 ref
= alloc_ref(rm
->peer_ref
->name
);
1200 oidcpy(&ref
->old_oid
, &rm
->peer_ref
->old_oid
);
1201 oidcpy(&ref
->new_oid
, &rm
->old_oid
);
1202 ref
->force
= rm
->peer_ref
->force
;
1205 if (recurse_submodules
!= RECURSE_SUBMODULES_OFF
&&
1206 (!rm
->peer_ref
|| !oideq(&ref
->old_oid
, &ref
->new_oid
))) {
1207 check_for_new_submodule_commits(&rm
->old_oid
);
1210 if (!strcmp(rm
->name
, "HEAD")) {
1214 else if (skip_prefix(rm
->name
, "refs/heads/", &what
))
1216 else if (skip_prefix(rm
->name
, "refs/tags/", &what
))
1218 else if (skip_prefix(rm
->name
, "refs/remotes/", &what
))
1219 kind
= "remote-tracking branch";
1225 url_len
= strlen(url
);
1226 for (i
= url_len
- 1; url
[i
] == '/' && 0 <= i
; i
--)
1229 if (4 < i
&& !strncmp(".git", url
+ i
- 3, 4))
1232 strbuf_reset(¬e
);
1235 strbuf_addf(¬e
, "%s ", kind
);
1236 strbuf_addf(¬e
, "'%s' of ", what
);
1239 append_fetch_head(fetch_head
, &rm
->old_oid
,
1240 rm
->fetch_head_status
,
1241 note
.buf
, url
, url_len
);
1243 strbuf_reset(¬e
);
1245 rc
|= update_local_ref(ref
, transaction
, what
,
1246 rm
, ¬e
, summary_width
);
1248 } else if (write_fetch_head
|| dry_run
) {
1250 * Display fetches written to FETCH_HEAD (or
1251 * would be written to FETCH_HEAD, if --dry-run
1254 format_display(¬e
, '*',
1255 *kind
? kind
: "branch", NULL
,
1256 *what
? what
: "HEAD",
1257 "FETCH_HEAD", summary_width
);
1261 fprintf(stderr
, _("From %.*s\n"),
1265 fprintf(stderr
, " %s\n", note
.buf
);
1270 if (rc
& STORE_REF_ERROR_DF_CONFLICT
)
1271 error(_("some local refs could not be updated; try running\n"
1272 " 'git remote prune %s' to remove any old, conflicting "
1273 "branches"), remote_name
);
1275 if (advice_enabled(ADVICE_FETCH_SHOW_FORCED_UPDATES
)) {
1276 if (!fetch_show_forced_updates
) {
1277 warning(_(warn_show_forced_updates
));
1278 } else if (forced_updates_ms
> FORCED_UPDATES_DELAY_WARNING_IN_MS
) {
1279 warning(_(warn_time_show_forced_updates
),
1280 forced_updates_ms
/ 1000.0);
1285 strbuf_release(¬e
);
1291 * We would want to bypass the object transfer altogether if
1292 * everything we are going to fetch already exists and is connected
1295 static int check_exist_and_connected(struct ref
*ref_map
)
1297 struct ref
*rm
= ref_map
;
1298 struct check_connected_options opt
= CHECK_CONNECTED_INIT
;
1302 * If we are deepening a shallow clone we already have these
1303 * objects reachable. Running rev-list here will return with
1304 * a good (0) exit status and we'll bypass the fetch that we
1305 * really need to perform. Claiming failure now will ensure
1306 * we perform the network exchange to deepen our history.
1312 * Similarly, if we need to refetch, we always want to perform a full
1313 * fetch ignoring existing objects.
1320 * check_connected() allows objects to merely be promised, but
1321 * we need all direct targets to exist.
1323 for (r
= rm
; r
; r
= r
->next
) {
1324 if (!has_object_file_with_flags(&r
->old_oid
,
1325 OBJECT_INFO_SKIP_FETCH_OBJECT
))
1330 opt
.exclude_hidden_refs_section
= "fetch";
1331 return check_connected(iterate_ref_map
, &rm
, &opt
);
1334 static int fetch_and_consume_refs(struct transport
*transport
,
1335 struct ref_transaction
*transaction
,
1336 struct ref
*ref_map
,
1337 struct fetch_head
*fetch_head
)
1339 int connectivity_checked
= 1;
1343 * We don't need to perform a fetch in case we can already satisfy all
1346 ret
= check_exist_and_connected(ref_map
);
1348 trace2_region_enter("fetch", "fetch_refs", the_repository
);
1349 ret
= transport_fetch_refs(transport
, ref_map
);
1350 trace2_region_leave("fetch", "fetch_refs", the_repository
);
1353 connectivity_checked
= transport
->smart_options
?
1354 transport
->smart_options
->connectivity_checked
: 0;
1357 trace2_region_enter("fetch", "consume_refs", the_repository
);
1358 ret
= store_updated_refs(transport
->url
, transport
->remote
->name
,
1359 connectivity_checked
, transaction
, ref_map
,
1361 trace2_region_leave("fetch", "consume_refs", the_repository
);
1364 transport_unlock_pack(transport
, 0);
1368 static int prune_refs(struct refspec
*rs
,
1369 struct ref_transaction
*transaction
,
1370 struct ref
*ref_map
,
1371 const char *raw_url
)
1373 int url_len
, i
, result
= 0;
1374 struct ref
*ref
, *stale_refs
= get_stale_heads(rs
, ref_map
);
1375 struct strbuf err
= STRBUF_INIT
;
1377 const char *dangling_msg
= dry_run
1378 ? _(" (%s will become dangling)")
1379 : _(" (%s has become dangling)");
1382 url
= transport_anonymize_url(raw_url
);
1384 url
= xstrdup("foreign");
1386 url_len
= strlen(url
);
1387 for (i
= url_len
- 1; url
[i
] == '/' && 0 <= i
; i
--)
1391 if (4 < i
&& !strncmp(".git", url
+ i
- 3, 4))
1396 for (ref
= stale_refs
; ref
; ref
= ref
->next
) {
1397 result
= ref_transaction_delete(transaction
, ref
->name
, NULL
, 0,
1398 "fetch: prune", &err
);
1403 struct string_list refnames
= STRING_LIST_INIT_NODUP
;
1405 for (ref
= stale_refs
; ref
; ref
= ref
->next
)
1406 string_list_append(&refnames
, ref
->name
);
1408 result
= delete_refs("fetch: prune", &refnames
, 0);
1409 string_list_clear(&refnames
, 0);
1413 if (verbosity
>= 0) {
1414 int summary_width
= transport_summary_width(stale_refs
);
1416 for (ref
= stale_refs
; ref
; ref
= ref
->next
) {
1417 struct strbuf sb
= STRBUF_INIT
;
1419 fprintf(stderr
, _("From %.*s\n"), url_len
, url
);
1422 format_display(&sb
, '-', _("[deleted]"), NULL
,
1423 _("(none)"), prettify_refname(ref
->name
),
1425 fprintf(stderr
, " %s\n",sb
.buf
);
1426 strbuf_release(&sb
);
1427 warn_dangling_symref(stderr
, dangling_msg
, ref
->name
);
1432 strbuf_release(&err
);
1434 free_refs(stale_refs
);
1438 static void check_not_current_branch(struct ref
*ref_map
)
1441 for (; ref_map
; ref_map
= ref_map
->next
)
1442 if (ref_map
->peer_ref
&&
1443 starts_with(ref_map
->peer_ref
->name
, "refs/heads/") &&
1444 (path
= branch_checked_out(ref_map
->peer_ref
->name
)))
1445 die(_("refusing to fetch into branch '%s' "
1446 "checked out at '%s'"),
1447 ref_map
->peer_ref
->name
, path
);
1450 static int truncate_fetch_head(void)
1452 const char *filename
= git_path_fetch_head(the_repository
);
1453 FILE *fp
= fopen_for_writing(filename
);
1456 return error_errno(_("cannot open '%s'"), filename
);
1461 static void set_option(struct transport
*transport
, const char *name
, const char *value
)
1463 int r
= transport_set_option(transport
, name
, value
);
1465 die(_("option \"%s\" value \"%s\" is not valid for %s"),
1466 name
, value
, transport
->url
);
1468 warning(_("option \"%s\" is ignored for %s\n"),
1469 name
, transport
->url
);
1473 static int add_oid(const char *refname UNUSED
,
1474 const struct object_id
*oid
,
1475 int flags UNUSED
, void *cb_data
)
1477 struct oid_array
*oids
= cb_data
;
1479 oid_array_append(oids
, oid
);
1483 static void add_negotiation_tips(struct git_transport_options
*smart_options
)
1485 struct oid_array
*oids
= xcalloc(1, sizeof(*oids
));
1488 for (i
= 0; i
< negotiation_tip
.nr
; i
++) {
1489 const char *s
= negotiation_tip
.items
[i
].string
;
1491 if (!has_glob_specials(s
)) {
1492 struct object_id oid
;
1493 if (get_oid(s
, &oid
))
1494 die(_("%s is not a valid object"), s
);
1495 if (!has_object(the_repository
, &oid
, 0))
1496 die(_("the object %s does not exist"), s
);
1497 oid_array_append(oids
, &oid
);
1501 for_each_glob_ref(add_oid
, s
, oids
);
1502 if (old_nr
== oids
->nr
)
1503 warning("ignoring --negotiation-tip=%s because it does not match any refs",
1506 smart_options
->negotiation_tips
= oids
;
1509 static struct transport
*prepare_transport(struct remote
*remote
, int deepen
)
1511 struct transport
*transport
;
1513 transport
= transport_get(remote
, NULL
);
1514 transport_set_verbosity(transport
, verbosity
, progress
);
1515 transport
->family
= family
;
1517 set_option(transport
, TRANS_OPT_UPLOADPACK
, upload_pack
);
1519 set_option(transport
, TRANS_OPT_KEEP
, "yes");
1521 set_option(transport
, TRANS_OPT_DEPTH
, depth
);
1522 if (deepen
&& deepen_since
)
1523 set_option(transport
, TRANS_OPT_DEEPEN_SINCE
, deepen_since
);
1524 if (deepen
&& deepen_not
.nr
)
1525 set_option(transport
, TRANS_OPT_DEEPEN_NOT
,
1526 (const char *)&deepen_not
);
1527 if (deepen_relative
)
1528 set_option(transport
, TRANS_OPT_DEEPEN_RELATIVE
, "yes");
1530 set_option(transport
, TRANS_OPT_UPDATE_SHALLOW
, "yes");
1532 set_option(transport
, TRANS_OPT_REFETCH
, "yes");
1533 if (filter_options
.choice
) {
1535 expand_list_objects_filter_spec(&filter_options
);
1536 set_option(transport
, TRANS_OPT_LIST_OBJECTS_FILTER
, spec
);
1537 set_option(transport
, TRANS_OPT_FROM_PROMISOR
, "1");
1539 if (negotiation_tip
.nr
) {
1540 if (transport
->smart_options
)
1541 add_negotiation_tips(transport
->smart_options
);
1543 warning("ignoring --negotiation-tip because the protocol does not support it");
1548 static int backfill_tags(struct transport
*transport
,
1549 struct ref_transaction
*transaction
,
1550 struct ref
*ref_map
,
1551 struct fetch_head
*fetch_head
)
1553 int retcode
, cannot_reuse
;
1556 * Once we have set TRANS_OPT_DEEPEN_SINCE, we can't unset it
1557 * when remote helper is used (setting it to an empty string
1558 * is not unsetting). We could extend the remote helper
1559 * protocol for that, but for now, just force a new connection
1560 * without deepen-since. Similar story for deepen-not.
1562 cannot_reuse
= transport
->cannot_reuse
||
1563 deepen_since
|| deepen_not
.nr
;
1565 gsecondary
= prepare_transport(transport
->remote
, 0);
1566 transport
= gsecondary
;
1569 transport_set_option(transport
, TRANS_OPT_FOLLOWTAGS
, NULL
);
1570 transport_set_option(transport
, TRANS_OPT_DEPTH
, "0");
1571 transport_set_option(transport
, TRANS_OPT_DEEPEN_RELATIVE
, NULL
);
1572 retcode
= fetch_and_consume_refs(transport
, transaction
, ref_map
, fetch_head
);
1575 transport_disconnect(gsecondary
);
1582 static int do_fetch(struct transport
*transport
,
1585 struct ref_transaction
*transaction
= NULL
;
1586 struct ref
*ref_map
= NULL
;
1587 int autotags
= (transport
->remote
->fetch_tags
== 1);
1589 const struct ref
*remote_refs
;
1590 struct transport_ls_refs_options transport_ls_refs_options
=
1591 TRANSPORT_LS_REFS_OPTIONS_INIT
;
1592 int must_list_refs
= 1;
1593 struct fetch_head fetch_head
= { 0 };
1594 struct strbuf err
= STRBUF_INIT
;
1596 if (tags
== TAGS_DEFAULT
) {
1597 if (transport
->remote
->fetch_tags
== 2)
1599 if (transport
->remote
->fetch_tags
== -1)
1603 /* if not appending, truncate FETCH_HEAD */
1604 if (!append
&& write_fetch_head
) {
1605 retcode
= truncate_fetch_head();
1613 refspec_ref_prefixes(rs
, &transport_ls_refs_options
.ref_prefixes
);
1616 * We can avoid listing refs if all of them are exact
1620 for (i
= 0; i
< rs
->nr
; i
++) {
1621 if (!rs
->items
[i
].exact_sha1
) {
1627 struct branch
*branch
= branch_get(NULL
);
1629 if (transport
->remote
->fetch
.nr
)
1630 refspec_ref_prefixes(&transport
->remote
->fetch
,
1631 &transport_ls_refs_options
.ref_prefixes
);
1632 if (branch_has_merge_config(branch
) &&
1633 !strcmp(branch
->remote_name
, transport
->remote
->name
)) {
1635 for (i
= 0; i
< branch
->merge_nr
; i
++) {
1636 strvec_push(&transport_ls_refs_options
.ref_prefixes
,
1637 branch
->merge
[i
]->src
);
1642 if (tags
== TAGS_SET
|| tags
== TAGS_DEFAULT
) {
1644 if (transport_ls_refs_options
.ref_prefixes
.nr
)
1645 strvec_push(&transport_ls_refs_options
.ref_prefixes
,
1649 if (must_list_refs
) {
1650 trace2_region_enter("fetch", "remote_refs", the_repository
);
1651 remote_refs
= transport_get_remote_refs(transport
,
1652 &transport_ls_refs_options
);
1653 trace2_region_leave("fetch", "remote_refs", the_repository
);
1657 transport_ls_refs_options_release(&transport_ls_refs_options
);
1659 ref_map
= get_ref_map(transport
->remote
, remote_refs
, rs
,
1661 if (!update_head_ok
)
1662 check_not_current_branch(ref_map
);
1664 retcode
= open_fetch_head(&fetch_head
);
1669 transaction
= ref_transaction_begin(&err
);
1671 retcode
= error("%s", err
.buf
);
1676 if (tags
== TAGS_DEFAULT
&& autotags
)
1677 transport_set_option(transport
, TRANS_OPT_FOLLOWTAGS
, "1");
1680 * We only prune based on refspecs specified
1681 * explicitly (via command line or configuration); we
1682 * don't care whether --tags was specified.
1685 retcode
= prune_refs(rs
, transaction
, ref_map
, transport
->url
);
1687 retcode
= prune_refs(&transport
->remote
->fetch
,
1688 transaction
, ref_map
,
1695 if (fetch_and_consume_refs(transport
, transaction
, ref_map
, &fetch_head
)) {
1701 * If neither --no-tags nor --tags was specified, do automated tag
1704 if (tags
== TAGS_DEFAULT
&& autotags
) {
1705 struct ref
*tags_ref_map
= NULL
, **tail
= &tags_ref_map
;
1707 find_non_local_tags(remote_refs
, transaction
, &tags_ref_map
, &tail
);
1710 * If backfilling of tags fails then we want to tell
1711 * the user so, but we have to continue regardless to
1712 * populate upstream information of the references we
1713 * have already fetched above. The exception though is
1714 * when `--atomic` is passed: in that case we'll abort
1715 * the transaction and don't commit anything.
1717 if (backfill_tags(transport
, transaction
, tags_ref_map
,
1722 free_refs(tags_ref_map
);
1729 retcode
= ref_transaction_commit(transaction
, &err
);
1731 error("%s", err
.buf
);
1732 ref_transaction_free(transaction
);
1738 commit_fetch_head(&fetch_head
);
1741 struct branch
*branch
= branch_get("HEAD");
1743 struct ref
*source_ref
= NULL
;
1746 * We're setting the upstream configuration for the
1747 * current branch. The relevant upstream is the
1748 * fetched branch that is meant to be merged with the
1749 * current one, i.e. the one fetched to FETCH_HEAD.
1751 * When there are several such branches, consider the
1752 * request ambiguous and err on the safe side by doing
1753 * nothing and just emit a warning.
1755 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
1756 if (!rm
->peer_ref
) {
1758 warning(_("multiple branches detected, incompatible with --set-upstream"));
1767 const char *shortname
= source_ref
->name
;
1768 skip_prefix(shortname
, "refs/heads/", &shortname
);
1770 warning(_("could not set upstream of HEAD to '%s' from '%s' when "
1771 "it does not point to any branch."),
1772 shortname
, transport
->remote
->name
);
1776 if (!strcmp(source_ref
->name
, "HEAD") ||
1777 starts_with(source_ref
->name
, "refs/heads/"))
1778 install_branch_config(0,
1780 transport
->remote
->name
,
1782 else if (starts_with(source_ref
->name
, "refs/remotes/"))
1783 warning(_("not setting upstream for a remote remote-tracking branch"));
1784 else if (starts_with(source_ref
->name
, "refs/tags/"))
1785 warning(_("not setting upstream for a remote tag"));
1787 warning(_("unknown branch type"));
1789 warning(_("no source branch found;\n"
1790 "you need to specify exactly one branch with the --set-upstream option"));
1795 if (retcode
&& transaction
) {
1796 ref_transaction_abort(transaction
, &err
);
1797 error("%s", err
.buf
);
1800 close_fetch_head(&fetch_head
);
1801 strbuf_release(&err
);
1806 static int get_one_remote_for_fetch(struct remote
*remote
, void *priv
)
1808 struct string_list
*list
= priv
;
1809 if (!remote
->skip_default_update
)
1810 string_list_append(list
, remote
->name
);
1814 struct remote_group_data
{
1816 struct string_list
*list
;
1819 static int get_remote_group(const char *key
, const char *value
, void *priv
)
1821 struct remote_group_data
*g
= priv
;
1823 if (skip_prefix(key
, "remotes.", &key
) && !strcmp(key
, g
->name
)) {
1824 /* split list by white space */
1826 size_t wordlen
= strcspn(value
, " \t\n");
1829 string_list_append_nodup(g
->list
,
1830 xstrndup(value
, wordlen
));
1831 value
+= wordlen
+ (value
[wordlen
] != '\0');
1838 static int add_remote_or_group(const char *name
, struct string_list
*list
)
1840 int prev_nr
= list
->nr
;
1841 struct remote_group_data g
;
1842 g
.name
= name
; g
.list
= list
;
1844 git_config(get_remote_group
, &g
);
1845 if (list
->nr
== prev_nr
) {
1846 struct remote
*remote
= remote_get(name
);
1847 if (!remote_is_configured(remote
, 0))
1849 string_list_append(list
, remote
->name
);
1854 static void add_options_to_argv(struct strvec
*argv
)
1857 strvec_push(argv
, "--dry-run");
1859 strvec_push(argv
, prune
? "--prune" : "--no-prune");
1860 if (prune_tags
!= -1)
1861 strvec_push(argv
, prune_tags
? "--prune-tags" : "--no-prune-tags");
1863 strvec_push(argv
, "--update-head-ok");
1865 strvec_push(argv
, "--force");
1867 strvec_push(argv
, "--keep");
1868 if (recurse_submodules
== RECURSE_SUBMODULES_ON
)
1869 strvec_push(argv
, "--recurse-submodules");
1870 else if (recurse_submodules
== RECURSE_SUBMODULES_ON_DEMAND
)
1871 strvec_push(argv
, "--recurse-submodules=on-demand");
1872 if (tags
== TAGS_SET
)
1873 strvec_push(argv
, "--tags");
1874 else if (tags
== TAGS_UNSET
)
1875 strvec_push(argv
, "--no-tags");
1877 strvec_push(argv
, "-v");
1879 strvec_push(argv
, "-v");
1880 else if (verbosity
< 0)
1881 strvec_push(argv
, "-q");
1882 if (family
== TRANSPORT_FAMILY_IPV4
)
1883 strvec_push(argv
, "--ipv4");
1884 else if (family
== TRANSPORT_FAMILY_IPV6
)
1885 strvec_push(argv
, "--ipv6");
1888 /* Fetch multiple remotes in parallel */
1890 struct parallel_fetch_state
{
1892 struct string_list
*remotes
;
1896 static int fetch_next_remote(struct child_process
*cp
,
1897 struct strbuf
*out UNUSED
,
1898 void *cb
, void **task_cb
)
1900 struct parallel_fetch_state
*state
= cb
;
1903 if (state
->next
< 0 || state
->next
>= state
->remotes
->nr
)
1906 remote
= state
->remotes
->items
[state
->next
++].string
;
1909 strvec_pushv(&cp
->args
, state
->argv
);
1910 strvec_push(&cp
->args
, remote
);
1914 printf(_("Fetching %s\n"), remote
);
1919 static int fetch_failed_to_start(struct strbuf
*out UNUSED
,
1920 void *cb
, void *task_cb
)
1922 struct parallel_fetch_state
*state
= cb
;
1923 const char *remote
= task_cb
;
1925 state
->result
= error(_("could not fetch %s"), remote
);
1930 static int fetch_finished(int result
, struct strbuf
*out
,
1931 void *cb
, void *task_cb
)
1933 struct parallel_fetch_state
*state
= cb
;
1934 const char *remote
= task_cb
;
1937 strbuf_addf(out
, _("could not fetch '%s' (exit code: %d)\n"),
1945 static int fetch_multiple(struct string_list
*list
, int max_children
)
1948 struct strvec argv
= STRVEC_INIT
;
1950 if (!append
&& write_fetch_head
) {
1951 int errcode
= truncate_fetch_head();
1956 strvec_pushl(&argv
, "fetch", "--append", "--no-auto-gc",
1957 "--no-write-commit-graph", NULL
);
1958 add_options_to_argv(&argv
);
1960 if (max_children
!= 1 && list
->nr
!= 1) {
1961 struct parallel_fetch_state state
= { argv
.v
, list
, 0, 0 };
1962 const struct run_process_parallel_opts opts
= {
1963 .tr2_category
= "fetch",
1964 .tr2_label
= "parallel/fetch",
1966 .processes
= max_children
,
1968 .get_next_task
= &fetch_next_remote
,
1969 .start_failure
= &fetch_failed_to_start
,
1970 .task_finished
= &fetch_finished
,
1974 strvec_push(&argv
, "--end-of-options");
1976 run_processes_parallel(&opts
);
1977 result
= state
.result
;
1979 for (i
= 0; i
< list
->nr
; i
++) {
1980 const char *name
= list
->items
[i
].string
;
1981 struct child_process cmd
= CHILD_PROCESS_INIT
;
1983 strvec_pushv(&cmd
.args
, argv
.v
);
1984 strvec_push(&cmd
.args
, name
);
1986 printf(_("Fetching %s\n"), name
);
1988 if (run_command(&cmd
)) {
1989 error(_("could not fetch %s"), name
);
1994 strvec_clear(&argv
);
1999 * Fetching from the promisor remote should use the given filter-spec
2000 * or inherit the default filter-spec from the config.
2002 static inline void fetch_one_setup_partial(struct remote
*remote
)
2005 * Explicit --no-filter argument overrides everything, regardless
2006 * of any prior partial clones and fetches.
2008 if (filter_options
.no_filter
)
2012 * If no prior partial clone/fetch and the current fetch DID NOT
2013 * request a partial-fetch, do a normal fetch.
2015 if (!has_promisor_remote() && !filter_options
.choice
)
2019 * If this is a partial-fetch request, we enable partial on
2020 * this repo if not already enabled and remember the given
2021 * filter-spec as the default for subsequent fetches to this
2022 * remote if there is currently no default filter-spec.
2024 if (filter_options
.choice
) {
2025 partial_clone_register(remote
->name
, &filter_options
);
2030 * Do a partial-fetch from the promisor remote using either the
2031 * explicitly given filter-spec or inherit the filter-spec from
2034 if (!filter_options
.choice
)
2035 partial_clone_get_default_filter_spec(&filter_options
, remote
->name
);
2039 static int fetch_one(struct remote
*remote
, int argc
, const char **argv
,
2040 int prune_tags_ok
, int use_stdin_refspecs
)
2042 struct refspec rs
= REFSPEC_INIT_FETCH
;
2045 int maybe_prune_tags
;
2046 int remote_via_config
= remote_is_configured(remote
, 0);
2049 die(_("no remote repository specified; please specify either a URL or a\n"
2050 "remote name from which new revisions should be fetched"));
2052 gtransport
= prepare_transport(remote
, 1);
2055 /* no command line request */
2056 if (0 <= remote
->prune
)
2057 prune
= remote
->prune
;
2058 else if (0 <= fetch_prune_config
)
2059 prune
= fetch_prune_config
;
2061 prune
= PRUNE_BY_DEFAULT
;
2064 if (prune_tags
< 0) {
2065 /* no command line request */
2066 if (0 <= remote
->prune_tags
)
2067 prune_tags
= remote
->prune_tags
;
2068 else if (0 <= fetch_prune_tags_config
)
2069 prune_tags
= fetch_prune_tags_config
;
2071 prune_tags
= PRUNE_TAGS_BY_DEFAULT
;
2074 maybe_prune_tags
= prune_tags_ok
&& prune_tags
;
2075 if (maybe_prune_tags
&& remote_via_config
)
2076 refspec_append(&remote
->fetch
, TAG_REFSPEC
);
2078 if (maybe_prune_tags
&& (argc
|| !remote_via_config
))
2079 refspec_append(&rs
, TAG_REFSPEC
);
2081 for (i
= 0; i
< argc
; i
++) {
2082 if (!strcmp(argv
[i
], "tag")) {
2085 die(_("you need to specify a tag name"));
2087 refspec_appendf(&rs
, "refs/tags/%s:refs/tags/%s",
2090 refspec_append(&rs
, argv
[i
]);
2094 if (use_stdin_refspecs
) {
2095 struct strbuf line
= STRBUF_INIT
;
2096 while (strbuf_getline_lf(&line
, stdin
) != EOF
)
2097 refspec_append(&rs
, line
.buf
);
2098 strbuf_release(&line
);
2101 if (server_options
.nr
)
2102 gtransport
->server_options
= &server_options
;
2104 sigchain_push_common(unlock_pack_on_signal
);
2105 atexit(unlock_pack_atexit
);
2106 sigchain_push(SIGPIPE
, SIG_IGN
);
2107 exit_code
= do_fetch(gtransport
, &rs
);
2108 sigchain_pop(SIGPIPE
);
2110 transport_disconnect(gtransport
);
2115 int cmd_fetch(int argc
, const char **argv
, const char *prefix
)
2118 const char *bundle_uri
;
2119 struct string_list list
= STRING_LIST_INIT_DUP
;
2120 struct remote
*remote
= NULL
;
2122 int prune_tags_ok
= 1;
2124 packet_trace_identity("fetch");
2126 /* Record the command line for the reflog */
2127 strbuf_addstr(&default_rla
, "fetch");
2128 for (i
= 1; i
< argc
; i
++) {
2129 /* This handles non-URLs gracefully */
2130 char *anon
= transport_anonymize_url(argv
[i
]);
2132 strbuf_addf(&default_rla
, " %s", anon
);
2136 git_config(git_fetch_config
, NULL
);
2137 if (the_repository
->gitdir
) {
2138 prepare_repo_settings(the_repository
);
2139 the_repository
->settings
.command_requires_full_index
= 0;
2142 argc
= parse_options(argc
, argv
, prefix
,
2143 builtin_fetch_options
, builtin_fetch_usage
, 0);
2145 if (recurse_submodules_cli
!= RECURSE_SUBMODULES_DEFAULT
)
2146 recurse_submodules
= recurse_submodules_cli
;
2148 if (negotiate_only
) {
2149 switch (recurse_submodules_cli
) {
2150 case RECURSE_SUBMODULES_OFF
:
2151 case RECURSE_SUBMODULES_DEFAULT
:
2153 * --negotiate-only should never recurse into
2154 * submodules. Skip it by setting recurse_submodules to
2155 * RECURSE_SUBMODULES_OFF.
2157 recurse_submodules
= RECURSE_SUBMODULES_OFF
;
2161 die(_("options '%s' and '%s' cannot be used together"),
2162 "--negotiate-only", "--recurse-submodules");
2166 if (recurse_submodules
!= RECURSE_SUBMODULES_OFF
) {
2167 int *sfjc
= submodule_fetch_jobs_config
== -1
2168 ? &submodule_fetch_jobs_config
: NULL
;
2169 int *rs
= recurse_submodules
== RECURSE_SUBMODULES_DEFAULT
2170 ? &recurse_submodules
: NULL
;
2172 fetch_config_from_gitmodules(sfjc
, rs
);
2175 if (negotiate_only
&& !negotiation_tip
.nr
)
2176 die(_("--negotiate-only needs one or more --negotiation-tip=*"));
2178 if (deepen_relative
) {
2179 if (deepen_relative
< 0)
2180 die(_("negative depth in --deepen is not supported"));
2182 die(_("options '%s' and '%s' cannot be used together"), "--deepen", "--depth");
2183 depth
= xstrfmt("%d", deepen_relative
);
2187 die(_("options '%s' and '%s' cannot be used together"), "--depth", "--unshallow");
2188 else if (!is_repository_shallow(the_repository
))
2189 die(_("--unshallow on a complete repository does not make sense"));
2191 depth
= xstrfmt("%d", INFINITE_DEPTH
);
2194 /* no need to be strict, transport_set_option() will validate it again */
2195 if (depth
&& atoi(depth
) < 1)
2196 die(_("depth %s is not a positive number"), depth
);
2197 if (depth
|| deepen_since
|| deepen_not
.nr
)
2200 /* FETCH_HEAD never gets updated in --dry-run mode */
2202 write_fetch_head
= 0;
2205 max_jobs
= online_cpus();
2207 if (!git_config_get_string_tmp("fetch.bundleuri", &bundle_uri
) &&
2208 fetch_bundle_uri(the_repository
, bundle_uri
, NULL
))
2209 warning(_("failed to fetch bundles from '%s'"), bundle_uri
);
2213 die(_("fetch --all does not take a repository argument"));
2215 die(_("fetch --all does not make sense with refspecs"));
2216 (void) for_each_remote(get_one_remote_for_fetch
, &list
);
2218 /* do not do fetch_multiple() of one */
2220 remote
= remote_get(list
.items
[0].string
);
2221 } else if (argc
== 0) {
2222 /* No arguments -- use default remote */
2223 remote
= remote_get(NULL
);
2224 } else if (multiple
) {
2225 /* All arguments are assumed to be remotes or groups */
2226 for (i
= 0; i
< argc
; i
++)
2227 if (!add_remote_or_group(argv
[i
], &list
))
2228 die(_("no such remote or remote group: %s"),
2231 /* Single remote or group */
2232 (void) add_remote_or_group(argv
[0], &list
);
2234 /* More than one remote */
2236 die(_("fetching a group and specifying refspecs does not make sense"));
2238 /* Zero or one remotes */
2239 remote
= remote_get(argv
[0]);
2240 prune_tags_ok
= (argc
== 1);
2245 string_list_remove_duplicates(&list
, 0);
2247 if (negotiate_only
) {
2248 struct oidset acked_commits
= OIDSET_INIT
;
2249 struct oidset_iter iter
;
2250 const struct object_id
*oid
;
2253 die(_("must supply remote when using --negotiate-only"));
2254 gtransport
= prepare_transport(remote
, 1);
2255 if (gtransport
->smart_options
) {
2256 gtransport
->smart_options
->acked_commits
= &acked_commits
;
2258 warning(_("protocol does not support --negotiate-only, exiting"));
2262 if (server_options
.nr
)
2263 gtransport
->server_options
= &server_options
;
2264 result
= transport_fetch_refs(gtransport
, NULL
);
2266 oidset_iter_init(&acked_commits
, &iter
);
2267 while ((oid
= oidset_iter_next(&iter
)))
2268 printf("%s\n", oid_to_hex(oid
));
2269 oidset_clear(&acked_commits
);
2270 } else if (remote
) {
2271 if (filter_options
.choice
|| has_promisor_remote())
2272 fetch_one_setup_partial(remote
);
2273 result
= fetch_one(remote
, argc
, argv
, prune_tags_ok
, stdin_refspecs
);
2275 int max_children
= max_jobs
;
2277 if (filter_options
.choice
)
2278 die(_("--filter can only be used with the remote "
2279 "configured in extensions.partialclone"));
2282 die(_("--atomic can only be used when fetching "
2283 "from one remote"));
2286 die(_("--stdin can only be used when fetching "
2287 "from one remote"));
2289 if (max_children
< 0)
2290 max_children
= fetch_parallel_config
;
2292 /* TODO should this also die if we have a previous partial-clone? */
2293 result
= fetch_multiple(&list
, max_children
);
2298 * This is only needed after fetch_one(), which does not fetch
2299 * submodules by itself.
2301 * When we fetch from multiple remotes, fetch_multiple() has
2302 * already updated submodules to grab commits necessary for
2303 * the fetched history from each remote, so there is no need
2304 * to fetch submodules from here.
2306 if (!result
&& remote
&& (recurse_submodules
!= RECURSE_SUBMODULES_OFF
)) {
2307 struct strvec options
= STRVEC_INIT
;
2308 int max_children
= max_jobs
;
2310 if (max_children
< 0)
2311 max_children
= submodule_fetch_jobs_config
;
2312 if (max_children
< 0)
2313 max_children
= fetch_parallel_config
;
2315 add_options_to_argv(&options
);
2316 result
= fetch_submodules(the_repository
,
2320 recurse_submodules_default
,
2323 strvec_clear(&options
);
2327 * Skip irrelevant tasks because we know objects were not
2330 * NEEDSWORK: as a future optimization, we can return early
2331 * whenever objects were not fetched e.g. if we already have all
2337 prepare_repo_settings(the_repository
);
2338 if (fetch_write_commit_graph
> 0 ||
2339 (fetch_write_commit_graph
< 0 &&
2340 the_repository
->settings
.fetch_write_commit_graph
)) {
2341 int commit_graph_flags
= COMMIT_GRAPH_WRITE_SPLIT
;
2344 commit_graph_flags
|= COMMIT_GRAPH_WRITE_PROGRESS
;
2346 write_commit_graph_reachable(the_repository
->objects
->odb
,
2351 if (enable_auto_gc
) {
2354 * Hint auto-maintenance strongly to encourage repacking,
2355 * but respect config settings disabling it.
2358 if (git_config_get_int("gc.autopacklimit", &opt_val
))
2361 git_config_push_parameter("gc.autoPackLimit=1");
2363 if (git_config_get_int("maintenance.incremental-repack.auto", &opt_val
))
2366 git_config_push_parameter("maintenance.incremental-repack.auto=-1");
2368 run_auto_maintenance(verbosity
< 0);
2372 string_list_clear(&list
, 0);