8 #include "environment.h"
10 #include "repository.h"
13 #include "object-name.h"
14 #include "object-store.h"
16 #include "oid-array.h"
19 #include "string-list.h"
21 #include "transport.h"
22 #include "run-command.h"
23 #include "parse-options.h"
25 #include "submodule-config.h"
26 #include "submodule.h"
27 #include "connected.h"
31 #include "list-objects-filter-options.h"
32 #include "commit-reach.h"
34 #include "promisor-remote.h"
35 #include "commit-graph.h"
40 #include "bundle-uri.h"
42 #define FORCED_UPDATES_DELAY_WARNING_IN_MS (10 * 1000)
44 static const char * const builtin_fetch_usage
[] = {
45 N_("git fetch [<options>] [<repository> [<refspec>...]]"),
46 N_("git fetch [<options>] <group>"),
47 N_("git fetch --multiple [<options>] [(<repository> | <group>)...]"),
48 N_("git fetch --all [<options>]"),
58 static int fetch_prune_config
= -1; /* unspecified */
59 static int fetch_show_forced_updates
= 1;
60 static uint64_t forced_updates_ms
= 0;
61 static int prefetch
= 0;
62 static int prune
= -1; /* unspecified */
63 #define PRUNE_BY_DEFAULT 0 /* do we prune by default? */
65 static int fetch_prune_tags_config
= -1; /* unspecified */
66 static int prune_tags
= -1; /* unspecified */
67 #define PRUNE_TAGS_BY_DEFAULT 0 /* do we prune tags by default? */
69 static int all
, append
, dry_run
, force
, keep
, multiple
, update_head_ok
;
70 static int write_fetch_head
= 1;
71 static int verbosity
, deepen_relative
, set_upstream
, refetch
;
72 static int progress
= -1;
73 static int enable_auto_gc
= 1;
74 static int tags
= TAGS_DEFAULT
, unshallow
, update_shallow
, deepen
;
75 static int max_jobs
= -1, submodule_fetch_jobs_config
= -1;
76 static int fetch_parallel_config
= 1;
77 static int atomic_fetch
;
78 static enum transport_family family
;
79 static const char *depth
;
80 static const char *deepen_since
;
81 static const char *upload_pack
;
82 static struct string_list deepen_not
= STRING_LIST_INIT_NODUP
;
83 static struct strbuf default_rla
= STRBUF_INIT
;
84 static struct transport
*gtransport
;
85 static struct transport
*gsecondary
;
86 static const char *submodule_prefix
= "";
87 static int recurse_submodules
= RECURSE_SUBMODULES_DEFAULT
;
88 static int recurse_submodules_cli
= RECURSE_SUBMODULES_DEFAULT
;
89 static int recurse_submodules_default
= RECURSE_SUBMODULES_ON_DEMAND
;
90 static int shown_url
= 0;
91 static struct refspec refmap
= REFSPEC_INIT_FETCH
;
92 static struct list_objects_filter_options filter_options
= LIST_OBJECTS_FILTER_INIT
;
93 static struct string_list server_options
= STRING_LIST_INIT_DUP
;
94 static struct string_list negotiation_tip
= STRING_LIST_INIT_NODUP
;
95 static int fetch_write_commit_graph
= -1;
96 static int stdin_refspecs
= 0;
97 static int negotiate_only
;
99 static int git_fetch_config(const char *k
, const char *v
, void *cb
)
101 if (!strcmp(k
, "fetch.prune")) {
102 fetch_prune_config
= git_config_bool(k
, v
);
106 if (!strcmp(k
, "fetch.prunetags")) {
107 fetch_prune_tags_config
= git_config_bool(k
, v
);
111 if (!strcmp(k
, "fetch.showforcedupdates")) {
112 fetch_show_forced_updates
= git_config_bool(k
, v
);
116 if (!strcmp(k
, "submodule.recurse")) {
117 int r
= git_config_bool(k
, v
) ?
118 RECURSE_SUBMODULES_ON
: RECURSE_SUBMODULES_OFF
;
119 recurse_submodules
= r
;
122 if (!strcmp(k
, "submodule.fetchjobs")) {
123 submodule_fetch_jobs_config
= parse_submodule_fetchjobs(k
, v
);
125 } else if (!strcmp(k
, "fetch.recursesubmodules")) {
126 recurse_submodules
= parse_fetch_recurse_submodules_arg(k
, v
);
130 if (!strcmp(k
, "fetch.parallel")) {
131 fetch_parallel_config
= git_config_int(k
, v
);
132 if (fetch_parallel_config
< 0)
133 die(_("fetch.parallel cannot be negative"));
134 if (!fetch_parallel_config
)
135 fetch_parallel_config
= online_cpus();
139 return git_default_config(k
, v
, cb
);
142 static int parse_refmap_arg(const struct option
*opt
, const char *arg
, int unset
)
144 BUG_ON_OPT_NEG(unset
);
147 * "git fetch --refmap='' origin foo"
148 * can be used to tell the command not to store anywhere
150 refspec_append(&refmap
, arg
);
155 static struct option builtin_fetch_options
[] = {
156 OPT__VERBOSITY(&verbosity
),
157 OPT_BOOL(0, "all", &all
,
158 N_("fetch from all remotes")),
159 OPT_BOOL(0, "set-upstream", &set_upstream
,
160 N_("set upstream for git pull/fetch")),
161 OPT_BOOL('a', "append", &append
,
162 N_("append to .git/FETCH_HEAD instead of overwriting")),
163 OPT_BOOL(0, "atomic", &atomic_fetch
,
164 N_("use atomic transaction to update references")),
165 OPT_STRING(0, "upload-pack", &upload_pack
, N_("path"),
166 N_("path to upload pack on remote end")),
167 OPT__FORCE(&force
, N_("force overwrite of local reference"), 0),
168 OPT_BOOL('m', "multiple", &multiple
,
169 N_("fetch from multiple remotes")),
170 OPT_SET_INT('t', "tags", &tags
,
171 N_("fetch all tags and associated objects"), TAGS_SET
),
172 OPT_SET_INT('n', NULL
, &tags
,
173 N_("do not fetch all tags (--no-tags)"), TAGS_UNSET
),
174 OPT_INTEGER('j', "jobs", &max_jobs
,
175 N_("number of submodules fetched in parallel")),
176 OPT_BOOL(0, "prefetch", &prefetch
,
177 N_("modify the refspec to place all refs within refs/prefetch/")),
178 OPT_BOOL('p', "prune", &prune
,
179 N_("prune remote-tracking branches no longer on remote")),
180 OPT_BOOL('P', "prune-tags", &prune_tags
,
181 N_("prune local tags no longer on remote and clobber changed tags")),
182 OPT_CALLBACK_F(0, "recurse-submodules", &recurse_submodules_cli
, N_("on-demand"),
183 N_("control recursive fetching of submodules"),
184 PARSE_OPT_OPTARG
, option_fetch_parse_recurse_submodules
),
185 OPT_BOOL(0, "dry-run", &dry_run
,
187 OPT_BOOL(0, "write-fetch-head", &write_fetch_head
,
188 N_("write fetched references to the FETCH_HEAD file")),
189 OPT_BOOL('k', "keep", &keep
, N_("keep downloaded pack")),
190 OPT_BOOL('u', "update-head-ok", &update_head_ok
,
191 N_("allow updating of HEAD ref")),
192 OPT_BOOL(0, "progress", &progress
, N_("force progress reporting")),
193 OPT_STRING(0, "depth", &depth
, N_("depth"),
194 N_("deepen history of shallow clone")),
195 OPT_STRING(0, "shallow-since", &deepen_since
, N_("time"),
196 N_("deepen history of shallow repository based on time")),
197 OPT_STRING_LIST(0, "shallow-exclude", &deepen_not
, N_("revision"),
198 N_("deepen history of shallow clone, excluding rev")),
199 OPT_INTEGER(0, "deepen", &deepen_relative
,
200 N_("deepen history of shallow clone")),
201 OPT_SET_INT_F(0, "unshallow", &unshallow
,
202 N_("convert to a complete repository"),
204 OPT_SET_INT_F(0, "refetch", &refetch
,
205 N_("re-fetch without negotiating common commits"),
207 { OPTION_STRING
, 0, "submodule-prefix", &submodule_prefix
, N_("dir"),
208 N_("prepend this to submodule path output"), PARSE_OPT_HIDDEN
},
209 OPT_CALLBACK_F(0, "recurse-submodules-default",
210 &recurse_submodules_default
, N_("on-demand"),
211 N_("default for recursive fetching of submodules "
212 "(lower priority than config files)"),
213 PARSE_OPT_HIDDEN
, option_fetch_parse_recurse_submodules
),
214 OPT_BOOL(0, "update-shallow", &update_shallow
,
215 N_("accept refs that update .git/shallow")),
216 OPT_CALLBACK_F(0, "refmap", NULL
, N_("refmap"),
217 N_("specify fetch refmap"), PARSE_OPT_NONEG
, parse_refmap_arg
),
218 OPT_STRING_LIST('o', "server-option", &server_options
, N_("server-specific"), N_("option to transmit")),
219 OPT_SET_INT('4', "ipv4", &family
, N_("use IPv4 addresses only"),
220 TRANSPORT_FAMILY_IPV4
),
221 OPT_SET_INT('6', "ipv6", &family
, N_("use IPv6 addresses only"),
222 TRANSPORT_FAMILY_IPV6
),
223 OPT_STRING_LIST(0, "negotiation-tip", &negotiation_tip
, N_("revision"),
224 N_("report that we have only objects reachable from this object")),
225 OPT_BOOL(0, "negotiate-only", &negotiate_only
,
226 N_("do not fetch a packfile; instead, print ancestors of negotiation tips")),
227 OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options
),
228 OPT_BOOL(0, "auto-maintenance", &enable_auto_gc
,
229 N_("run 'maintenance --auto' after fetching")),
230 OPT_BOOL(0, "auto-gc", &enable_auto_gc
,
231 N_("run 'maintenance --auto' after fetching")),
232 OPT_BOOL(0, "show-forced-updates", &fetch_show_forced_updates
,
233 N_("check for forced-updates on all updated branches")),
234 OPT_BOOL(0, "write-commit-graph", &fetch_write_commit_graph
,
235 N_("write the commit-graph after fetching")),
236 OPT_BOOL(0, "stdin", &stdin_refspecs
,
237 N_("accept refspecs from stdin")),
241 static void unlock_pack(unsigned int flags
)
244 transport_unlock_pack(gtransport
, flags
);
246 transport_unlock_pack(gsecondary
, flags
);
249 static void unlock_pack_atexit(void)
254 static void unlock_pack_on_signal(int signo
)
256 unlock_pack(TRANSPORT_UNLOCK_PACK_IN_SIGNAL_HANDLER
);
261 static void add_merge_config(struct ref
**head
,
262 const struct ref
*remote_refs
,
263 struct branch
*branch
,
268 for (i
= 0; i
< branch
->merge_nr
; i
++) {
269 struct ref
*rm
, **old_tail
= *tail
;
270 struct refspec_item refspec
;
272 for (rm
= *head
; rm
; rm
= rm
->next
) {
273 if (branch_merge_matches(branch
, i
, rm
->name
)) {
274 rm
->fetch_head_status
= FETCH_HEAD_MERGE
;
282 * Not fetched to a remote-tracking branch? We need to fetch
283 * it anyway to allow this branch's "branch.$name.merge"
284 * to be honored by 'git pull', but we do not have to
285 * fail if branch.$name.merge is misconfigured to point
286 * at a nonexisting branch. If we were indeed called by
287 * 'git pull', it will notice the misconfiguration because
288 * there is no entry in the resulting FETCH_HEAD marked
291 memset(&refspec
, 0, sizeof(refspec
));
292 refspec
.src
= branch
->merge
[i
]->src
;
293 get_fetch_map(remote_refs
, &refspec
, tail
, 1);
294 for (rm
= *old_tail
; rm
; rm
= rm
->next
)
295 rm
->fetch_head_status
= FETCH_HEAD_MERGE
;
299 static void create_fetch_oidset(struct ref
**head
, struct oidset
*out
)
301 struct ref
*rm
= *head
;
303 oidset_insert(out
, &rm
->old_oid
);
308 struct refname_hash_entry
{
309 struct hashmap_entry ent
;
310 struct object_id oid
;
312 char refname
[FLEX_ARRAY
];
315 static int refname_hash_entry_cmp(const void *hashmap_cmp_fn_data UNUSED
,
316 const struct hashmap_entry
*eptr
,
317 const struct hashmap_entry
*entry_or_key
,
320 const struct refname_hash_entry
*e1
, *e2
;
322 e1
= container_of(eptr
, const struct refname_hash_entry
, ent
);
323 e2
= container_of(entry_or_key
, const struct refname_hash_entry
, ent
);
324 return strcmp(e1
->refname
, keydata
? keydata
: e2
->refname
);
327 static struct refname_hash_entry
*refname_hash_add(struct hashmap
*map
,
329 const struct object_id
*oid
)
331 struct refname_hash_entry
*ent
;
332 size_t len
= strlen(refname
);
334 FLEX_ALLOC_MEM(ent
, refname
, refname
, len
);
335 hashmap_entry_init(&ent
->ent
, strhash(refname
));
336 oidcpy(&ent
->oid
, oid
);
337 hashmap_add(map
, &ent
->ent
);
341 static int add_one_refname(const char *refname
,
342 const struct object_id
*oid
,
343 int flag UNUSED
, void *cbdata
)
345 struct hashmap
*refname_map
= cbdata
;
347 (void) refname_hash_add(refname_map
, refname
, oid
);
351 static void refname_hash_init(struct hashmap
*map
)
353 hashmap_init(map
, refname_hash_entry_cmp
, NULL
, 0);
356 static int refname_hash_exists(struct hashmap
*map
, const char *refname
)
358 return !!hashmap_get_from_hash(map
, strhash(refname
), refname
);
361 static void clear_item(struct refname_hash_entry
*item
)
367 static void add_already_queued_tags(const char *refname
,
368 const struct object_id
*old_oid
,
369 const struct object_id
*new_oid
,
372 struct hashmap
*queued_tags
= cb_data
;
373 if (starts_with(refname
, "refs/tags/") && new_oid
)
374 (void) refname_hash_add(queued_tags
, refname
, new_oid
);
377 static void find_non_local_tags(const struct ref
*refs
,
378 struct ref_transaction
*transaction
,
382 struct hashmap existing_refs
;
383 struct hashmap remote_refs
;
384 struct oidset fetch_oids
= OIDSET_INIT
;
385 struct string_list remote_refs_list
= STRING_LIST_INIT_NODUP
;
386 struct string_list_item
*remote_ref_item
;
387 const struct ref
*ref
;
388 struct refname_hash_entry
*item
= NULL
;
389 const int quick_flags
= OBJECT_INFO_QUICK
| OBJECT_INFO_SKIP_FETCH_OBJECT
;
391 refname_hash_init(&existing_refs
);
392 refname_hash_init(&remote_refs
);
393 create_fetch_oidset(head
, &fetch_oids
);
395 for_each_ref(add_one_refname
, &existing_refs
);
398 * If we already have a transaction, then we need to filter out all
399 * tags which have already been queued up.
402 ref_transaction_for_each_queued_update(transaction
,
403 add_already_queued_tags
,
406 for (ref
= refs
; ref
; ref
= ref
->next
) {
407 if (!starts_with(ref
->name
, "refs/tags/"))
411 * The peeled ref always follows the matching base
412 * ref, so if we see a peeled ref that we don't want
413 * to fetch then we can mark the ref entry in the list
414 * as one to ignore by setting util to NULL.
416 if (ends_with(ref
->name
, "^{}")) {
418 !repo_has_object_file_with_flags(the_repository
, &ref
->old_oid
, quick_flags
) &&
419 !oidset_contains(&fetch_oids
, &ref
->old_oid
) &&
420 !repo_has_object_file_with_flags(the_repository
, &item
->oid
, quick_flags
) &&
421 !oidset_contains(&fetch_oids
, &item
->oid
))
428 * If item is non-NULL here, then we previously saw a
429 * ref not followed by a peeled reference, so we need
430 * to check if it is a lightweight tag that we want to
434 !repo_has_object_file_with_flags(the_repository
, &item
->oid
, quick_flags
) &&
435 !oidset_contains(&fetch_oids
, &item
->oid
))
440 /* skip duplicates and refs that we already have */
441 if (refname_hash_exists(&remote_refs
, ref
->name
) ||
442 refname_hash_exists(&existing_refs
, ref
->name
))
445 item
= refname_hash_add(&remote_refs
, ref
->name
, &ref
->old_oid
);
446 string_list_insert(&remote_refs_list
, ref
->name
);
448 hashmap_clear_and_free(&existing_refs
, struct refname_hash_entry
, ent
);
451 * We may have a final lightweight tag that needs to be
452 * checked to see if it needs fetching.
455 !repo_has_object_file_with_flags(the_repository
, &item
->oid
, quick_flags
) &&
456 !oidset_contains(&fetch_oids
, &item
->oid
))
460 * For all the tags in the remote_refs_list,
461 * add them to the list of refs to be fetched
463 for_each_string_list_item(remote_ref_item
, &remote_refs_list
) {
464 const char *refname
= remote_ref_item
->string
;
466 unsigned int hash
= strhash(refname
);
468 item
= hashmap_get_entry_from_hash(&remote_refs
, hash
, refname
,
469 struct refname_hash_entry
, ent
);
471 BUG("unseen remote ref?");
473 /* Unless we have already decided to ignore this item... */
477 rm
= alloc_ref(item
->refname
);
478 rm
->peer_ref
= alloc_ref(item
->refname
);
479 oidcpy(&rm
->old_oid
, &item
->oid
);
483 hashmap_clear_and_free(&remote_refs
, struct refname_hash_entry
, ent
);
484 string_list_clear(&remote_refs_list
, 0);
485 oidset_clear(&fetch_oids
);
488 static void filter_prefetch_refspec(struct refspec
*rs
)
495 for (i
= 0; i
< rs
->nr
; i
++) {
496 struct strbuf new_dst
= STRBUF_INIT
;
498 const char *sub
= NULL
;
500 if (rs
->items
[i
].negative
)
502 if (!rs
->items
[i
].dst
||
504 !strncmp(rs
->items
[i
].src
,
505 ref_namespace
[NAMESPACE_TAGS
].ref
,
506 strlen(ref_namespace
[NAMESPACE_TAGS
].ref
)))) {
509 free(rs
->items
[i
].src
);
510 free(rs
->items
[i
].dst
);
512 for (j
= i
+ 1; j
< rs
->nr
; j
++) {
513 rs
->items
[j
- 1] = rs
->items
[j
];
514 rs
->raw
[j
- 1] = rs
->raw
[j
];
521 old_dst
= rs
->items
[i
].dst
;
522 strbuf_addstr(&new_dst
, ref_namespace
[NAMESPACE_PREFETCH
].ref
);
525 * If old_dst starts with "refs/", then place
526 * sub after that prefix. Otherwise, start at
527 * the beginning of the string.
529 if (!skip_prefix(old_dst
, "refs/", &sub
))
531 strbuf_addstr(&new_dst
, sub
);
533 rs
->items
[i
].dst
= strbuf_detach(&new_dst
, NULL
);
534 rs
->items
[i
].force
= 1;
540 static struct ref
*get_ref_map(struct remote
*remote
,
541 const struct ref
*remote_refs
,
543 int tags
, int *autotags
)
547 struct ref
*ref_map
= NULL
;
548 struct ref
**tail
= &ref_map
;
550 /* opportunistically-updated references: */
551 struct ref
*orefs
= NULL
, **oref_tail
= &orefs
;
553 struct hashmap existing_refs
;
554 int existing_refs_populated
= 0;
556 filter_prefetch_refspec(rs
);
558 filter_prefetch_refspec(&remote
->fetch
);
561 struct refspec
*fetch_refspec
;
563 for (i
= 0; i
< rs
->nr
; i
++) {
564 get_fetch_map(remote_refs
, &rs
->items
[i
], &tail
, 0);
565 if (rs
->items
[i
].dst
&& rs
->items
[i
].dst
[0])
568 /* Merge everything on the command line (but not --tags) */
569 for (rm
= ref_map
; rm
; rm
= rm
->next
)
570 rm
->fetch_head_status
= FETCH_HEAD_MERGE
;
573 * For any refs that we happen to be fetching via
574 * command-line arguments, the destination ref might
575 * have been missing or have been different than the
576 * remote-tracking ref that would be derived from the
577 * configured refspec. In these cases, we want to
578 * take the opportunity to update their configured
579 * remote-tracking reference. However, we do not want
580 * to mention these entries in FETCH_HEAD at all, as
581 * they would simply be duplicates of existing
582 * entries, so we set them FETCH_HEAD_IGNORE below.
584 * We compute these entries now, based only on the
585 * refspecs specified on the command line. But we add
586 * them to the list following the refspecs resulting
587 * from the tags option so that one of the latter,
588 * which has FETCH_HEAD_NOT_FOR_MERGE, is not removed
589 * by ref_remove_duplicates() in favor of one of these
590 * opportunistic entries with FETCH_HEAD_IGNORE.
593 fetch_refspec
= &refmap
;
595 fetch_refspec
= &remote
->fetch
;
597 for (i
= 0; i
< fetch_refspec
->nr
; i
++)
598 get_fetch_map(ref_map
, &fetch_refspec
->items
[i
], &oref_tail
, 1);
599 } else if (refmap
.nr
) {
600 die("--refmap option is only meaningful with command-line refspec(s)");
602 /* Use the defaults */
603 struct branch
*branch
= branch_get(NULL
);
604 int has_merge
= branch_has_merge_config(branch
);
607 /* Note: has_merge implies non-NULL branch->remote_name */
608 (has_merge
&& !strcmp(branch
->remote_name
, remote
->name
)))) {
609 for (i
= 0; i
< remote
->fetch
.nr
; i
++) {
610 get_fetch_map(remote_refs
, &remote
->fetch
.items
[i
], &tail
, 0);
611 if (remote
->fetch
.items
[i
].dst
&&
612 remote
->fetch
.items
[i
].dst
[0])
614 if (!i
&& !has_merge
&& ref_map
&&
615 !remote
->fetch
.items
[0].pattern
)
616 ref_map
->fetch_head_status
= FETCH_HEAD_MERGE
;
619 * if the remote we're fetching from is the same
620 * as given in branch.<name>.remote, we add the
621 * ref given in branch.<name>.merge, too.
623 * Note: has_merge implies non-NULL branch->remote_name
626 !strcmp(branch
->remote_name
, remote
->name
))
627 add_merge_config(&ref_map
, remote_refs
, branch
, &tail
);
628 } else if (!prefetch
) {
629 ref_map
= get_remote_ref(remote_refs
, "HEAD");
631 die(_("couldn't find remote ref HEAD"));
632 ref_map
->fetch_head_status
= FETCH_HEAD_MERGE
;
633 tail
= &ref_map
->next
;
637 if (tags
== TAGS_SET
)
638 /* also fetch all tags */
639 get_fetch_map(remote_refs
, tag_refspec
, &tail
, 0);
640 else if (tags
== TAGS_DEFAULT
&& *autotags
)
641 find_non_local_tags(remote_refs
, NULL
, &ref_map
, &tail
);
643 /* Now append any refs to be updated opportunistically: */
645 for (rm
= orefs
; rm
; rm
= rm
->next
) {
646 rm
->fetch_head_status
= FETCH_HEAD_IGNORE
;
651 * apply negative refspecs first, before we remove duplicates. This is
652 * necessary as negative refspecs might remove an otherwise conflicting
656 ref_map
= apply_negative_refspecs(ref_map
, rs
);
658 ref_map
= apply_negative_refspecs(ref_map
, &remote
->fetch
);
660 ref_map
= ref_remove_duplicates(ref_map
);
662 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
664 const char *refname
= rm
->peer_ref
->name
;
665 struct refname_hash_entry
*peer_item
;
666 unsigned int hash
= strhash(refname
);
668 if (!existing_refs_populated
) {
669 refname_hash_init(&existing_refs
);
670 for_each_ref(add_one_refname
, &existing_refs
);
671 existing_refs_populated
= 1;
674 peer_item
= hashmap_get_entry_from_hash(&existing_refs
,
676 struct refname_hash_entry
, ent
);
678 struct object_id
*old_oid
= &peer_item
->oid
;
679 oidcpy(&rm
->peer_ref
->old_oid
, old_oid
);
683 if (existing_refs_populated
)
684 hashmap_clear_and_free(&existing_refs
, struct refname_hash_entry
, ent
);
689 #define STORE_REF_ERROR_OTHER 1
690 #define STORE_REF_ERROR_DF_CONFLICT 2
692 static int s_update_ref(const char *action
,
694 struct ref_transaction
*transaction
,
698 char *rla
= getenv("GIT_REFLOG_ACTION");
699 struct ref_transaction
*our_transaction
= NULL
;
700 struct strbuf err
= STRBUF_INIT
;
706 rla
= default_rla
.buf
;
707 msg
= xstrfmt("%s: %s", rla
, action
);
710 * If no transaction was passed to us, we manage the transaction
711 * ourselves. Otherwise, we trust the caller to handle the transaction
715 transaction
= our_transaction
= ref_transaction_begin(&err
);
717 ret
= STORE_REF_ERROR_OTHER
;
722 ret
= ref_transaction_update(transaction
, ref
->name
, &ref
->new_oid
,
723 check_old
? &ref
->old_oid
: NULL
,
726 ret
= STORE_REF_ERROR_OTHER
;
730 if (our_transaction
) {
731 switch (ref_transaction_commit(our_transaction
, &err
)) {
734 case TRANSACTION_NAME_CONFLICT
:
735 ret
= STORE_REF_ERROR_DF_CONFLICT
;
738 ret
= STORE_REF_ERROR_OTHER
;
744 ref_transaction_free(our_transaction
);
746 error("%s", err
.buf
);
747 strbuf_release(&err
);
752 static int refcol_width
= 10;
753 static int compact_format
;
755 static void adjust_refcol_width(const struct ref
*ref
)
757 int max
, rlen
, llen
, len
;
759 /* uptodate lines are only shown on high verbosity level */
760 if (verbosity
<= 0 && oideq(&ref
->peer_ref
->old_oid
, &ref
->old_oid
))
763 max
= term_columns();
764 rlen
= utf8_strwidth(prettify_refname(ref
->name
));
766 llen
= utf8_strwidth(prettify_refname(ref
->peer_ref
->name
));
769 * rough estimation to see if the output line is too long and
770 * should not be counted (we can't do precise calculation
771 * anyway because we don't know if the error explanation part
772 * will be printed in update_local_ref)
774 if (compact_format
) {
778 len
= 21 /* flag and summary */ + rlen
+ 4 /* -> */ + llen
;
783 * Not precise calculation for compact mode because '*' can
784 * appear on the left hand side of '->' and shrink the column
787 if (refcol_width
< rlen
)
791 static void prepare_format_display(struct ref
*ref_map
)
794 const char *format
= "full";
799 git_config_get_string_tmp("fetch.output", &format
);
800 if (!strcasecmp(format
, "full"))
802 else if (!strcasecmp(format
, "compact"))
805 die(_("invalid value for '%s': '%s'"),
806 "fetch.output", format
);
808 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
809 if (rm
->status
== REF_STATUS_REJECT_SHALLOW
||
811 !strcmp(rm
->name
, "HEAD"))
814 adjust_refcol_width(rm
);
818 static void print_remote_to_local(struct strbuf
*display
,
819 const char *remote
, const char *local
)
821 strbuf_addf(display
, "%-*s -> %s", refcol_width
, remote
, local
);
824 static int find_and_replace(struct strbuf
*haystack
,
826 const char *placeholder
)
828 const char *p
= NULL
;
831 nlen
= strlen(needle
);
832 if (ends_with(haystack
->buf
, needle
))
833 p
= haystack
->buf
+ haystack
->len
- nlen
;
835 p
= strstr(haystack
->buf
, needle
);
839 if (p
> haystack
->buf
&& p
[-1] != '/')
843 if (plen
> nlen
&& p
[nlen
] != '/')
846 strbuf_splice(haystack
, p
- haystack
->buf
, nlen
,
847 placeholder
, strlen(placeholder
));
851 static void print_compact(struct strbuf
*display
,
852 const char *remote
, const char *local
)
854 struct strbuf r
= STRBUF_INIT
;
855 struct strbuf l
= STRBUF_INIT
;
857 if (!strcmp(remote
, local
)) {
858 strbuf_addf(display
, "%-*s -> *", refcol_width
, remote
);
862 strbuf_addstr(&r
, remote
);
863 strbuf_addstr(&l
, local
);
865 if (!find_and_replace(&r
, local
, "*"))
866 find_and_replace(&l
, remote
, "*");
867 print_remote_to_local(display
, r
.buf
, l
.buf
);
873 static void format_display(struct strbuf
*display
, char code
,
874 const char *summary
, const char *error
,
875 const char *remote
, const char *local
,
883 width
= (summary_width
+ strlen(summary
) - gettext_width(summary
));
885 strbuf_addf(display
, "%c %-*s ", code
, width
, summary
);
887 print_remote_to_local(display
, remote
, local
);
889 print_compact(display
, remote
, local
);
891 strbuf_addf(display
, " (%s)", error
);
894 static int update_local_ref(struct ref
*ref
,
895 struct ref_transaction
*transaction
,
896 const char *remote
, const struct ref
*remote_ref
,
897 struct strbuf
*display
, int summary_width
)
899 struct commit
*current
= NULL
, *updated
;
900 const char *pretty_ref
= prettify_refname(ref
->name
);
901 int fast_forward
= 0;
903 if (!repo_has_object_file(the_repository
, &ref
->new_oid
))
904 die(_("object %s not found"), oid_to_hex(&ref
->new_oid
));
906 if (oideq(&ref
->old_oid
, &ref
->new_oid
)) {
908 format_display(display
, '=', _("[up to date]"), NULL
,
909 remote
, pretty_ref
, summary_width
);
913 if (!update_head_ok
&&
914 !is_null_oid(&ref
->old_oid
) &&
915 branch_checked_out(ref
->name
)) {
917 * If this is the head, and it's not okay to update
918 * the head, and the old value of the head isn't empty...
920 format_display(display
, '!', _("[rejected]"),
921 _("can't fetch into checked-out branch"),
922 remote
, pretty_ref
, summary_width
);
926 if (!is_null_oid(&ref
->old_oid
) &&
927 starts_with(ref
->name
, "refs/tags/")) {
928 if (force
|| ref
->force
) {
930 r
= s_update_ref("updating tag", ref
, transaction
, 0);
931 format_display(display
, r
? '!' : 't', _("[tag update]"),
932 r
? _("unable to update local ref") : NULL
,
933 remote
, pretty_ref
, summary_width
);
936 format_display(display
, '!', _("[rejected]"), _("would clobber existing tag"),
937 remote
, pretty_ref
, summary_width
);
942 current
= lookup_commit_reference_gently(the_repository
,
944 updated
= lookup_commit_reference_gently(the_repository
,
946 if (!current
|| !updated
) {
951 * Nicely describe the new ref we're fetching.
952 * Base this on the remote's ref name, as it's
953 * more likely to follow a standard layout.
955 const char *name
= remote_ref
? remote_ref
->name
: "";
956 if (starts_with(name
, "refs/tags/")) {
958 what
= _("[new tag]");
959 } else if (starts_with(name
, "refs/heads/")) {
960 msg
= "storing head";
961 what
= _("[new branch]");
964 what
= _("[new ref]");
967 r
= s_update_ref(msg
, ref
, transaction
, 0);
968 format_display(display
, r
? '!' : '*', what
,
969 r
? _("unable to update local ref") : NULL
,
970 remote
, pretty_ref
, summary_width
);
974 if (fetch_show_forced_updates
) {
975 uint64_t t_before
= getnanotime();
976 fast_forward
= repo_in_merge_bases(the_repository
, current
,
978 forced_updates_ms
+= (getnanotime() - t_before
) / 1000000;
984 struct strbuf quickref
= STRBUF_INIT
;
987 strbuf_add_unique_abbrev(&quickref
, ¤t
->object
.oid
, DEFAULT_ABBREV
);
988 strbuf_addstr(&quickref
, "..");
989 strbuf_add_unique_abbrev(&quickref
, &ref
->new_oid
, DEFAULT_ABBREV
);
990 r
= s_update_ref("fast-forward", ref
, transaction
, 1);
991 format_display(display
, r
? '!' : ' ', quickref
.buf
,
992 r
? _("unable to update local ref") : NULL
,
993 remote
, pretty_ref
, summary_width
);
994 strbuf_release(&quickref
);
996 } else if (force
|| ref
->force
) {
997 struct strbuf quickref
= STRBUF_INIT
;
999 strbuf_add_unique_abbrev(&quickref
, ¤t
->object
.oid
, DEFAULT_ABBREV
);
1000 strbuf_addstr(&quickref
, "...");
1001 strbuf_add_unique_abbrev(&quickref
, &ref
->new_oid
, DEFAULT_ABBREV
);
1002 r
= s_update_ref("forced-update", ref
, transaction
, 1);
1003 format_display(display
, r
? '!' : '+', quickref
.buf
,
1004 r
? _("unable to update local ref") : _("forced update"),
1005 remote
, pretty_ref
, summary_width
);
1006 strbuf_release(&quickref
);
1009 format_display(display
, '!', _("[rejected]"), _("non-fast-forward"),
1010 remote
, pretty_ref
, summary_width
);
1015 static const struct object_id
*iterate_ref_map(void *cb_data
)
1017 struct ref
**rm
= cb_data
;
1018 struct ref
*ref
= *rm
;
1020 while (ref
&& ref
->status
== REF_STATUS_REJECT_SHALLOW
)
1025 return &ref
->old_oid
;
1033 static int open_fetch_head(struct fetch_head
*fetch_head
)
1035 const char *filename
= git_path_fetch_head(the_repository
);
1037 if (write_fetch_head
) {
1038 fetch_head
->fp
= fopen(filename
, "a");
1039 if (!fetch_head
->fp
)
1040 return error_errno(_("cannot open '%s'"), filename
);
1041 strbuf_init(&fetch_head
->buf
, 0);
1043 fetch_head
->fp
= NULL
;
1049 static void append_fetch_head(struct fetch_head
*fetch_head
,
1050 const struct object_id
*old_oid
,
1051 enum fetch_head_status fetch_head_status
,
1053 const char *url
, size_t url_len
)
1055 char old_oid_hex
[GIT_MAX_HEXSZ
+ 1];
1056 const char *merge_status_marker
;
1059 if (!fetch_head
->fp
)
1062 switch (fetch_head_status
) {
1063 case FETCH_HEAD_NOT_FOR_MERGE
:
1064 merge_status_marker
= "not-for-merge";
1066 case FETCH_HEAD_MERGE
:
1067 merge_status_marker
= "";
1070 /* do not write anything to FETCH_HEAD */
1074 strbuf_addf(&fetch_head
->buf
, "%s\t%s\t%s",
1075 oid_to_hex_r(old_oid_hex
, old_oid
), merge_status_marker
, note
);
1076 for (i
= 0; i
< url_len
; ++i
)
1078 strbuf_addstr(&fetch_head
->buf
, "\\n");
1080 strbuf_addch(&fetch_head
->buf
, url
[i
]);
1081 strbuf_addch(&fetch_head
->buf
, '\n');
1084 * When using an atomic fetch, we do not want to update FETCH_HEAD if
1085 * any of the reference updates fails. We thus have to write all
1086 * updates to a buffer first and only commit it as soon as all
1087 * references have been successfully updated.
1089 if (!atomic_fetch
) {
1090 strbuf_write(&fetch_head
->buf
, fetch_head
->fp
);
1091 strbuf_reset(&fetch_head
->buf
);
1095 static void commit_fetch_head(struct fetch_head
*fetch_head
)
1097 if (!fetch_head
->fp
|| !atomic_fetch
)
1099 strbuf_write(&fetch_head
->buf
, fetch_head
->fp
);
1102 static void close_fetch_head(struct fetch_head
*fetch_head
)
1104 if (!fetch_head
->fp
)
1107 fclose(fetch_head
->fp
);
1108 strbuf_release(&fetch_head
->buf
);
1111 static const char warn_show_forced_updates
[] =
1112 N_("fetch normally indicates which branches had a forced update,\n"
1113 "but that check has been disabled; to re-enable, use '--show-forced-updates'\n"
1114 "flag or run 'git config fetch.showForcedUpdates true'");
1115 static const char warn_time_show_forced_updates
[] =
1116 N_("it took %.2f seconds to check forced updates; you can use\n"
1117 "'--no-show-forced-updates' or run 'git config fetch.showForcedUpdates false'\n"
1118 "to avoid this check\n");
1120 static int store_updated_refs(const char *raw_url
, const char *remote_name
,
1121 int connectivity_checked
,
1122 struct ref_transaction
*transaction
, struct ref
*ref_map
,
1123 struct fetch_head
*fetch_head
)
1125 int url_len
, i
, rc
= 0;
1126 struct strbuf note
= STRBUF_INIT
;
1127 const char *what
, *kind
;
1131 int summary_width
= 0;
1134 summary_width
= transport_summary_width(ref_map
);
1137 url
= transport_anonymize_url(raw_url
);
1139 url
= xstrdup("foreign");
1141 if (!connectivity_checked
) {
1142 struct check_connected_options opt
= CHECK_CONNECTED_INIT
;
1144 opt
.exclude_hidden_refs_section
= "fetch";
1146 if (check_connected(iterate_ref_map
, &rm
, &opt
)) {
1147 rc
= error(_("%s did not send all necessary objects\n"), url
);
1152 prepare_format_display(ref_map
);
1155 * We do a pass for each fetch_head_status type in their enum order, so
1156 * merged entries are written before not-for-merge. That lets readers
1157 * use FETCH_HEAD as a refname to refer to the ref to be merged.
1159 for (want_status
= FETCH_HEAD_MERGE
;
1160 want_status
<= FETCH_HEAD_IGNORE
;
1162 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
1163 struct ref
*ref
= NULL
;
1165 if (rm
->status
== REF_STATUS_REJECT_SHALLOW
) {
1166 if (want_status
== FETCH_HEAD_MERGE
)
1167 warning(_("rejected %s because shallow roots are not allowed to be updated"),
1168 rm
->peer_ref
? rm
->peer_ref
->name
: rm
->name
);
1173 * When writing FETCH_HEAD we need to determine whether
1174 * we already have the commit or not. If not, then the
1175 * reference is not for merge and needs to be written
1176 * to the reflog after other commits which we already
1177 * have. We're not interested in this property though
1178 * in case FETCH_HEAD is not to be updated, so we can
1179 * skip the classification in that case.
1181 if (fetch_head
->fp
) {
1182 struct commit
*commit
= NULL
;
1185 * References in "refs/tags/" are often going to point
1186 * to annotated tags, which are not part of the
1187 * commit-graph. We thus only try to look up refs in
1188 * the graph which are not in that namespace to not
1189 * regress performance in repositories with many
1192 if (!starts_with(rm
->name
, "refs/tags/"))
1193 commit
= lookup_commit_in_graph(the_repository
, &rm
->old_oid
);
1195 commit
= lookup_commit_reference_gently(the_repository
,
1199 rm
->fetch_head_status
= FETCH_HEAD_NOT_FOR_MERGE
;
1203 if (rm
->fetch_head_status
!= want_status
)
1207 ref
= alloc_ref(rm
->peer_ref
->name
);
1208 oidcpy(&ref
->old_oid
, &rm
->peer_ref
->old_oid
);
1209 oidcpy(&ref
->new_oid
, &rm
->old_oid
);
1210 ref
->force
= rm
->peer_ref
->force
;
1213 if (recurse_submodules
!= RECURSE_SUBMODULES_OFF
&&
1214 (!rm
->peer_ref
|| !oideq(&ref
->old_oid
, &ref
->new_oid
))) {
1215 check_for_new_submodule_commits(&rm
->old_oid
);
1218 if (!strcmp(rm
->name
, "HEAD")) {
1222 else if (skip_prefix(rm
->name
, "refs/heads/", &what
))
1224 else if (skip_prefix(rm
->name
, "refs/tags/", &what
))
1226 else if (skip_prefix(rm
->name
, "refs/remotes/", &what
))
1227 kind
= "remote-tracking branch";
1233 url_len
= strlen(url
);
1234 for (i
= url_len
- 1; url
[i
] == '/' && 0 <= i
; i
--)
1237 if (4 < i
&& !strncmp(".git", url
+ i
- 3, 4))
1240 strbuf_reset(¬e
);
1243 strbuf_addf(¬e
, "%s ", kind
);
1244 strbuf_addf(¬e
, "'%s' of ", what
);
1247 append_fetch_head(fetch_head
, &rm
->old_oid
,
1248 rm
->fetch_head_status
,
1249 note
.buf
, url
, url_len
);
1251 strbuf_reset(¬e
);
1253 rc
|= update_local_ref(ref
, transaction
, what
,
1254 rm
, ¬e
, summary_width
);
1256 } else if (write_fetch_head
|| dry_run
) {
1258 * Display fetches written to FETCH_HEAD (or
1259 * would be written to FETCH_HEAD, if --dry-run
1262 format_display(¬e
, '*',
1263 *kind
? kind
: "branch", NULL
,
1264 *what
? what
: "HEAD",
1265 "FETCH_HEAD", summary_width
);
1269 fprintf(stderr
, _("From %.*s\n"),
1273 fprintf(stderr
, " %s\n", note
.buf
);
1278 if (rc
& STORE_REF_ERROR_DF_CONFLICT
)
1279 error(_("some local refs could not be updated; try running\n"
1280 " 'git remote prune %s' to remove any old, conflicting "
1281 "branches"), remote_name
);
1283 if (advice_enabled(ADVICE_FETCH_SHOW_FORCED_UPDATES
)) {
1284 if (!fetch_show_forced_updates
) {
1285 warning(_(warn_show_forced_updates
));
1286 } else if (forced_updates_ms
> FORCED_UPDATES_DELAY_WARNING_IN_MS
) {
1287 warning(_(warn_time_show_forced_updates
),
1288 forced_updates_ms
/ 1000.0);
1293 strbuf_release(¬e
);
1299 * We would want to bypass the object transfer altogether if
1300 * everything we are going to fetch already exists and is connected
1303 static int check_exist_and_connected(struct ref
*ref_map
)
1305 struct ref
*rm
= ref_map
;
1306 struct check_connected_options opt
= CHECK_CONNECTED_INIT
;
1310 * If we are deepening a shallow clone we already have these
1311 * objects reachable. Running rev-list here will return with
1312 * a good (0) exit status and we'll bypass the fetch that we
1313 * really need to perform. Claiming failure now will ensure
1314 * we perform the network exchange to deepen our history.
1320 * Similarly, if we need to refetch, we always want to perform a full
1321 * fetch ignoring existing objects.
1328 * check_connected() allows objects to merely be promised, but
1329 * we need all direct targets to exist.
1331 for (r
= rm
; r
; r
= r
->next
) {
1332 if (!repo_has_object_file_with_flags(the_repository
, &r
->old_oid
,
1333 OBJECT_INFO_SKIP_FETCH_OBJECT
))
1338 opt
.exclude_hidden_refs_section
= "fetch";
1339 return check_connected(iterate_ref_map
, &rm
, &opt
);
1342 static int fetch_and_consume_refs(struct transport
*transport
,
1343 struct ref_transaction
*transaction
,
1344 struct ref
*ref_map
,
1345 struct fetch_head
*fetch_head
)
1347 int connectivity_checked
= 1;
1351 * We don't need to perform a fetch in case we can already satisfy all
1354 ret
= check_exist_and_connected(ref_map
);
1356 trace2_region_enter("fetch", "fetch_refs", the_repository
);
1357 ret
= transport_fetch_refs(transport
, ref_map
);
1358 trace2_region_leave("fetch", "fetch_refs", the_repository
);
1361 connectivity_checked
= transport
->smart_options
?
1362 transport
->smart_options
->connectivity_checked
: 0;
1365 trace2_region_enter("fetch", "consume_refs", the_repository
);
1366 ret
= store_updated_refs(transport
->url
, transport
->remote
->name
,
1367 connectivity_checked
, transaction
, ref_map
,
1369 trace2_region_leave("fetch", "consume_refs", the_repository
);
1372 transport_unlock_pack(transport
, 0);
1376 static int prune_refs(struct refspec
*rs
,
1377 struct ref_transaction
*transaction
,
1378 struct ref
*ref_map
,
1379 const char *raw_url
)
1381 int url_len
, i
, result
= 0;
1382 struct ref
*ref
, *stale_refs
= get_stale_heads(rs
, ref_map
);
1383 struct strbuf err
= STRBUF_INIT
;
1385 const char *dangling_msg
= dry_run
1386 ? _(" (%s will become dangling)")
1387 : _(" (%s has become dangling)");
1390 url
= transport_anonymize_url(raw_url
);
1392 url
= xstrdup("foreign");
1394 url_len
= strlen(url
);
1395 for (i
= url_len
- 1; url
[i
] == '/' && 0 <= i
; i
--)
1399 if (4 < i
&& !strncmp(".git", url
+ i
- 3, 4))
1404 for (ref
= stale_refs
; ref
; ref
= ref
->next
) {
1405 result
= ref_transaction_delete(transaction
, ref
->name
, NULL
, 0,
1406 "fetch: prune", &err
);
1411 struct string_list refnames
= STRING_LIST_INIT_NODUP
;
1413 for (ref
= stale_refs
; ref
; ref
= ref
->next
)
1414 string_list_append(&refnames
, ref
->name
);
1416 result
= delete_refs("fetch: prune", &refnames
, 0);
1417 string_list_clear(&refnames
, 0);
1421 if (verbosity
>= 0) {
1422 int summary_width
= transport_summary_width(stale_refs
);
1424 for (ref
= stale_refs
; ref
; ref
= ref
->next
) {
1425 struct strbuf sb
= STRBUF_INIT
;
1427 fprintf(stderr
, _("From %.*s\n"), url_len
, url
);
1430 format_display(&sb
, '-', _("[deleted]"), NULL
,
1431 _("(none)"), prettify_refname(ref
->name
),
1433 fprintf(stderr
, " %s\n",sb
.buf
);
1434 strbuf_release(&sb
);
1435 warn_dangling_symref(stderr
, dangling_msg
, ref
->name
);
1440 strbuf_release(&err
);
1442 free_refs(stale_refs
);
1446 static void check_not_current_branch(struct ref
*ref_map
)
1449 for (; ref_map
; ref_map
= ref_map
->next
)
1450 if (ref_map
->peer_ref
&&
1451 starts_with(ref_map
->peer_ref
->name
, "refs/heads/") &&
1452 (path
= branch_checked_out(ref_map
->peer_ref
->name
)))
1453 die(_("refusing to fetch into branch '%s' "
1454 "checked out at '%s'"),
1455 ref_map
->peer_ref
->name
, path
);
1458 static int truncate_fetch_head(void)
1460 const char *filename
= git_path_fetch_head(the_repository
);
1461 FILE *fp
= fopen_for_writing(filename
);
1464 return error_errno(_("cannot open '%s'"), filename
);
1469 static void set_option(struct transport
*transport
, const char *name
, const char *value
)
1471 int r
= transport_set_option(transport
, name
, value
);
1473 die(_("option \"%s\" value \"%s\" is not valid for %s"),
1474 name
, value
, transport
->url
);
1476 warning(_("option \"%s\" is ignored for %s\n"),
1477 name
, transport
->url
);
1481 static int add_oid(const char *refname UNUSED
,
1482 const struct object_id
*oid
,
1483 int flags UNUSED
, void *cb_data
)
1485 struct oid_array
*oids
= cb_data
;
1487 oid_array_append(oids
, oid
);
1491 static void add_negotiation_tips(struct git_transport_options
*smart_options
)
1493 struct oid_array
*oids
= xcalloc(1, sizeof(*oids
));
1496 for (i
= 0; i
< negotiation_tip
.nr
; i
++) {
1497 const char *s
= negotiation_tip
.items
[i
].string
;
1499 if (!has_glob_specials(s
)) {
1500 struct object_id oid
;
1501 if (repo_get_oid(the_repository
, s
, &oid
))
1502 die(_("%s is not a valid object"), s
);
1503 if (!has_object(the_repository
, &oid
, 0))
1504 die(_("the object %s does not exist"), s
);
1505 oid_array_append(oids
, &oid
);
1509 for_each_glob_ref(add_oid
, s
, oids
);
1510 if (old_nr
== oids
->nr
)
1511 warning("ignoring --negotiation-tip=%s because it does not match any refs",
1514 smart_options
->negotiation_tips
= oids
;
1517 static struct transport
*prepare_transport(struct remote
*remote
, int deepen
)
1519 struct transport
*transport
;
1521 transport
= transport_get(remote
, NULL
);
1522 transport_set_verbosity(transport
, verbosity
, progress
);
1523 transport
->family
= family
;
1525 set_option(transport
, TRANS_OPT_UPLOADPACK
, upload_pack
);
1527 set_option(transport
, TRANS_OPT_KEEP
, "yes");
1529 set_option(transport
, TRANS_OPT_DEPTH
, depth
);
1530 if (deepen
&& deepen_since
)
1531 set_option(transport
, TRANS_OPT_DEEPEN_SINCE
, deepen_since
);
1532 if (deepen
&& deepen_not
.nr
)
1533 set_option(transport
, TRANS_OPT_DEEPEN_NOT
,
1534 (const char *)&deepen_not
);
1535 if (deepen_relative
)
1536 set_option(transport
, TRANS_OPT_DEEPEN_RELATIVE
, "yes");
1538 set_option(transport
, TRANS_OPT_UPDATE_SHALLOW
, "yes");
1540 set_option(transport
, TRANS_OPT_REFETCH
, "yes");
1541 if (filter_options
.choice
) {
1543 expand_list_objects_filter_spec(&filter_options
);
1544 set_option(transport
, TRANS_OPT_LIST_OBJECTS_FILTER
, spec
);
1545 set_option(transport
, TRANS_OPT_FROM_PROMISOR
, "1");
1547 if (negotiation_tip
.nr
) {
1548 if (transport
->smart_options
)
1549 add_negotiation_tips(transport
->smart_options
);
1551 warning("ignoring --negotiation-tip because the protocol does not support it");
1556 static int backfill_tags(struct transport
*transport
,
1557 struct ref_transaction
*transaction
,
1558 struct ref
*ref_map
,
1559 struct fetch_head
*fetch_head
)
1561 int retcode
, cannot_reuse
;
1564 * Once we have set TRANS_OPT_DEEPEN_SINCE, we can't unset it
1565 * when remote helper is used (setting it to an empty string
1566 * is not unsetting). We could extend the remote helper
1567 * protocol for that, but for now, just force a new connection
1568 * without deepen-since. Similar story for deepen-not.
1570 cannot_reuse
= transport
->cannot_reuse
||
1571 deepen_since
|| deepen_not
.nr
;
1573 gsecondary
= prepare_transport(transport
->remote
, 0);
1574 transport
= gsecondary
;
1577 transport_set_option(transport
, TRANS_OPT_FOLLOWTAGS
, NULL
);
1578 transport_set_option(transport
, TRANS_OPT_DEPTH
, "0");
1579 transport_set_option(transport
, TRANS_OPT_DEEPEN_RELATIVE
, NULL
);
1580 retcode
= fetch_and_consume_refs(transport
, transaction
, ref_map
, fetch_head
);
1583 transport_disconnect(gsecondary
);
1590 static int do_fetch(struct transport
*transport
,
1593 struct ref_transaction
*transaction
= NULL
;
1594 struct ref
*ref_map
= NULL
;
1595 int autotags
= (transport
->remote
->fetch_tags
== 1);
1597 const struct ref
*remote_refs
;
1598 struct transport_ls_refs_options transport_ls_refs_options
=
1599 TRANSPORT_LS_REFS_OPTIONS_INIT
;
1600 int must_list_refs
= 1;
1601 struct fetch_head fetch_head
= { 0 };
1602 struct strbuf err
= STRBUF_INIT
;
1604 if (tags
== TAGS_DEFAULT
) {
1605 if (transport
->remote
->fetch_tags
== 2)
1607 if (transport
->remote
->fetch_tags
== -1)
1611 /* if not appending, truncate FETCH_HEAD */
1612 if (!append
&& write_fetch_head
) {
1613 retcode
= truncate_fetch_head();
1621 refspec_ref_prefixes(rs
, &transport_ls_refs_options
.ref_prefixes
);
1624 * We can avoid listing refs if all of them are exact
1628 for (i
= 0; i
< rs
->nr
; i
++) {
1629 if (!rs
->items
[i
].exact_sha1
) {
1635 struct branch
*branch
= branch_get(NULL
);
1637 if (transport
->remote
->fetch
.nr
)
1638 refspec_ref_prefixes(&transport
->remote
->fetch
,
1639 &transport_ls_refs_options
.ref_prefixes
);
1640 if (branch_has_merge_config(branch
) &&
1641 !strcmp(branch
->remote_name
, transport
->remote
->name
)) {
1643 for (i
= 0; i
< branch
->merge_nr
; i
++) {
1644 strvec_push(&transport_ls_refs_options
.ref_prefixes
,
1645 branch
->merge
[i
]->src
);
1650 if (tags
== TAGS_SET
|| tags
== TAGS_DEFAULT
) {
1652 if (transport_ls_refs_options
.ref_prefixes
.nr
)
1653 strvec_push(&transport_ls_refs_options
.ref_prefixes
,
1657 if (must_list_refs
) {
1658 trace2_region_enter("fetch", "remote_refs", the_repository
);
1659 remote_refs
= transport_get_remote_refs(transport
,
1660 &transport_ls_refs_options
);
1661 trace2_region_leave("fetch", "remote_refs", the_repository
);
1665 transport_ls_refs_options_release(&transport_ls_refs_options
);
1667 ref_map
= get_ref_map(transport
->remote
, remote_refs
, rs
,
1669 if (!update_head_ok
)
1670 check_not_current_branch(ref_map
);
1672 retcode
= open_fetch_head(&fetch_head
);
1677 transaction
= ref_transaction_begin(&err
);
1679 retcode
= error("%s", err
.buf
);
1684 if (tags
== TAGS_DEFAULT
&& autotags
)
1685 transport_set_option(transport
, TRANS_OPT_FOLLOWTAGS
, "1");
1688 * We only prune based on refspecs specified
1689 * explicitly (via command line or configuration); we
1690 * don't care whether --tags was specified.
1693 retcode
= prune_refs(rs
, transaction
, ref_map
, transport
->url
);
1695 retcode
= prune_refs(&transport
->remote
->fetch
,
1696 transaction
, ref_map
,
1703 if (fetch_and_consume_refs(transport
, transaction
, ref_map
, &fetch_head
)) {
1709 * If neither --no-tags nor --tags was specified, do automated tag
1712 if (tags
== TAGS_DEFAULT
&& autotags
) {
1713 struct ref
*tags_ref_map
= NULL
, **tail
= &tags_ref_map
;
1715 find_non_local_tags(remote_refs
, transaction
, &tags_ref_map
, &tail
);
1718 * If backfilling of tags fails then we want to tell
1719 * the user so, but we have to continue regardless to
1720 * populate upstream information of the references we
1721 * have already fetched above. The exception though is
1722 * when `--atomic` is passed: in that case we'll abort
1723 * the transaction and don't commit anything.
1725 if (backfill_tags(transport
, transaction
, tags_ref_map
,
1730 free_refs(tags_ref_map
);
1737 retcode
= ref_transaction_commit(transaction
, &err
);
1739 error("%s", err
.buf
);
1740 ref_transaction_free(transaction
);
1746 commit_fetch_head(&fetch_head
);
1749 struct branch
*branch
= branch_get("HEAD");
1751 struct ref
*source_ref
= NULL
;
1754 * We're setting the upstream configuration for the
1755 * current branch. The relevant upstream is the
1756 * fetched branch that is meant to be merged with the
1757 * current one, i.e. the one fetched to FETCH_HEAD.
1759 * When there are several such branches, consider the
1760 * request ambiguous and err on the safe side by doing
1761 * nothing and just emit a warning.
1763 for (rm
= ref_map
; rm
; rm
= rm
->next
) {
1764 if (!rm
->peer_ref
) {
1766 warning(_("multiple branches detected, incompatible with --set-upstream"));
1775 const char *shortname
= source_ref
->name
;
1776 skip_prefix(shortname
, "refs/heads/", &shortname
);
1778 warning(_("could not set upstream of HEAD to '%s' from '%s' when "
1779 "it does not point to any branch."),
1780 shortname
, transport
->remote
->name
);
1784 if (!strcmp(source_ref
->name
, "HEAD") ||
1785 starts_with(source_ref
->name
, "refs/heads/"))
1786 install_branch_config(0,
1788 transport
->remote
->name
,
1790 else if (starts_with(source_ref
->name
, "refs/remotes/"))
1791 warning(_("not setting upstream for a remote remote-tracking branch"));
1792 else if (starts_with(source_ref
->name
, "refs/tags/"))
1793 warning(_("not setting upstream for a remote tag"));
1795 warning(_("unknown branch type"));
1797 warning(_("no source branch found;\n"
1798 "you need to specify exactly one branch with the --set-upstream option"));
1803 if (retcode
&& transaction
) {
1804 ref_transaction_abort(transaction
, &err
);
1805 error("%s", err
.buf
);
1808 close_fetch_head(&fetch_head
);
1809 strbuf_release(&err
);
1814 static int get_one_remote_for_fetch(struct remote
*remote
, void *priv
)
1816 struct string_list
*list
= priv
;
1817 if (!remote
->skip_default_update
)
1818 string_list_append(list
, remote
->name
);
1822 struct remote_group_data
{
1824 struct string_list
*list
;
1827 static int get_remote_group(const char *key
, const char *value
, void *priv
)
1829 struct remote_group_data
*g
= priv
;
1831 if (skip_prefix(key
, "remotes.", &key
) && !strcmp(key
, g
->name
)) {
1832 /* split list by white space */
1834 size_t wordlen
= strcspn(value
, " \t\n");
1837 string_list_append_nodup(g
->list
,
1838 xstrndup(value
, wordlen
));
1839 value
+= wordlen
+ (value
[wordlen
] != '\0');
1846 static int add_remote_or_group(const char *name
, struct string_list
*list
)
1848 int prev_nr
= list
->nr
;
1849 struct remote_group_data g
;
1850 g
.name
= name
; g
.list
= list
;
1852 git_config(get_remote_group
, &g
);
1853 if (list
->nr
== prev_nr
) {
1854 struct remote
*remote
= remote_get(name
);
1855 if (!remote_is_configured(remote
, 0))
1857 string_list_append(list
, remote
->name
);
1862 static void add_options_to_argv(struct strvec
*argv
)
1865 strvec_push(argv
, "--dry-run");
1867 strvec_push(argv
, prune
? "--prune" : "--no-prune");
1868 if (prune_tags
!= -1)
1869 strvec_push(argv
, prune_tags
? "--prune-tags" : "--no-prune-tags");
1871 strvec_push(argv
, "--update-head-ok");
1873 strvec_push(argv
, "--force");
1875 strvec_push(argv
, "--keep");
1876 if (recurse_submodules
== RECURSE_SUBMODULES_ON
)
1877 strvec_push(argv
, "--recurse-submodules");
1878 else if (recurse_submodules
== RECURSE_SUBMODULES_ON_DEMAND
)
1879 strvec_push(argv
, "--recurse-submodules=on-demand");
1880 if (tags
== TAGS_SET
)
1881 strvec_push(argv
, "--tags");
1882 else if (tags
== TAGS_UNSET
)
1883 strvec_push(argv
, "--no-tags");
1885 strvec_push(argv
, "-v");
1887 strvec_push(argv
, "-v");
1888 else if (verbosity
< 0)
1889 strvec_push(argv
, "-q");
1890 if (family
== TRANSPORT_FAMILY_IPV4
)
1891 strvec_push(argv
, "--ipv4");
1892 else if (family
== TRANSPORT_FAMILY_IPV6
)
1893 strvec_push(argv
, "--ipv6");
1894 if (!write_fetch_head
)
1895 strvec_push(argv
, "--no-write-fetch-head");
1898 /* Fetch multiple remotes in parallel */
1900 struct parallel_fetch_state
{
1902 struct string_list
*remotes
;
1906 static int fetch_next_remote(struct child_process
*cp
,
1907 struct strbuf
*out UNUSED
,
1908 void *cb
, void **task_cb
)
1910 struct parallel_fetch_state
*state
= cb
;
1913 if (state
->next
< 0 || state
->next
>= state
->remotes
->nr
)
1916 remote
= state
->remotes
->items
[state
->next
++].string
;
1919 strvec_pushv(&cp
->args
, state
->argv
);
1920 strvec_push(&cp
->args
, remote
);
1924 printf(_("Fetching %s\n"), remote
);
1929 static int fetch_failed_to_start(struct strbuf
*out UNUSED
,
1930 void *cb
, void *task_cb
)
1932 struct parallel_fetch_state
*state
= cb
;
1933 const char *remote
= task_cb
;
1935 state
->result
= error(_("could not fetch %s"), remote
);
1940 static int fetch_finished(int result
, struct strbuf
*out
,
1941 void *cb
, void *task_cb
)
1943 struct parallel_fetch_state
*state
= cb
;
1944 const char *remote
= task_cb
;
1947 strbuf_addf(out
, _("could not fetch '%s' (exit code: %d)\n"),
1955 static int fetch_multiple(struct string_list
*list
, int max_children
)
1958 struct strvec argv
= STRVEC_INIT
;
1960 if (!append
&& write_fetch_head
) {
1961 int errcode
= truncate_fetch_head();
1966 strvec_pushl(&argv
, "fetch", "--append", "--no-auto-gc",
1967 "--no-write-commit-graph", NULL
);
1968 add_options_to_argv(&argv
);
1970 if (max_children
!= 1 && list
->nr
!= 1) {
1971 struct parallel_fetch_state state
= { argv
.v
, list
, 0, 0 };
1972 const struct run_process_parallel_opts opts
= {
1973 .tr2_category
= "fetch",
1974 .tr2_label
= "parallel/fetch",
1976 .processes
= max_children
,
1978 .get_next_task
= &fetch_next_remote
,
1979 .start_failure
= &fetch_failed_to_start
,
1980 .task_finished
= &fetch_finished
,
1984 strvec_push(&argv
, "--end-of-options");
1986 run_processes_parallel(&opts
);
1987 result
= state
.result
;
1989 for (i
= 0; i
< list
->nr
; i
++) {
1990 const char *name
= list
->items
[i
].string
;
1991 struct child_process cmd
= CHILD_PROCESS_INIT
;
1993 strvec_pushv(&cmd
.args
, argv
.v
);
1994 strvec_push(&cmd
.args
, name
);
1996 printf(_("Fetching %s\n"), name
);
1998 if (run_command(&cmd
)) {
1999 error(_("could not fetch %s"), name
);
2004 strvec_clear(&argv
);
2009 * Fetching from the promisor remote should use the given filter-spec
2010 * or inherit the default filter-spec from the config.
2012 static inline void fetch_one_setup_partial(struct remote
*remote
)
2015 * Explicit --no-filter argument overrides everything, regardless
2016 * of any prior partial clones and fetches.
2018 if (filter_options
.no_filter
)
2022 * If no prior partial clone/fetch and the current fetch DID NOT
2023 * request a partial-fetch, do a normal fetch.
2025 if (!repo_has_promisor_remote(the_repository
) && !filter_options
.choice
)
2029 * If this is a partial-fetch request, we enable partial on
2030 * this repo if not already enabled and remember the given
2031 * filter-spec as the default for subsequent fetches to this
2032 * remote if there is currently no default filter-spec.
2034 if (filter_options
.choice
) {
2035 partial_clone_register(remote
->name
, &filter_options
);
2040 * Do a partial-fetch from the promisor remote using either the
2041 * explicitly given filter-spec or inherit the filter-spec from
2044 if (!filter_options
.choice
)
2045 partial_clone_get_default_filter_spec(&filter_options
, remote
->name
);
2049 static int fetch_one(struct remote
*remote
, int argc
, const char **argv
,
2050 int prune_tags_ok
, int use_stdin_refspecs
)
2052 struct refspec rs
= REFSPEC_INIT_FETCH
;
2055 int maybe_prune_tags
;
2056 int remote_via_config
= remote_is_configured(remote
, 0);
2059 die(_("no remote repository specified; please specify either a URL or a\n"
2060 "remote name from which new revisions should be fetched"));
2062 gtransport
= prepare_transport(remote
, 1);
2065 /* no command line request */
2066 if (0 <= remote
->prune
)
2067 prune
= remote
->prune
;
2068 else if (0 <= fetch_prune_config
)
2069 prune
= fetch_prune_config
;
2071 prune
= PRUNE_BY_DEFAULT
;
2074 if (prune_tags
< 0) {
2075 /* no command line request */
2076 if (0 <= remote
->prune_tags
)
2077 prune_tags
= remote
->prune_tags
;
2078 else if (0 <= fetch_prune_tags_config
)
2079 prune_tags
= fetch_prune_tags_config
;
2081 prune_tags
= PRUNE_TAGS_BY_DEFAULT
;
2084 maybe_prune_tags
= prune_tags_ok
&& prune_tags
;
2085 if (maybe_prune_tags
&& remote_via_config
)
2086 refspec_append(&remote
->fetch
, TAG_REFSPEC
);
2088 if (maybe_prune_tags
&& (argc
|| !remote_via_config
))
2089 refspec_append(&rs
, TAG_REFSPEC
);
2091 for (i
= 0; i
< argc
; i
++) {
2092 if (!strcmp(argv
[i
], "tag")) {
2095 die(_("you need to specify a tag name"));
2097 refspec_appendf(&rs
, "refs/tags/%s:refs/tags/%s",
2100 refspec_append(&rs
, argv
[i
]);
2104 if (use_stdin_refspecs
) {
2105 struct strbuf line
= STRBUF_INIT
;
2106 while (strbuf_getline_lf(&line
, stdin
) != EOF
)
2107 refspec_append(&rs
, line
.buf
);
2108 strbuf_release(&line
);
2111 if (server_options
.nr
)
2112 gtransport
->server_options
= &server_options
;
2114 sigchain_push_common(unlock_pack_on_signal
);
2115 atexit(unlock_pack_atexit
);
2116 sigchain_push(SIGPIPE
, SIG_IGN
);
2117 exit_code
= do_fetch(gtransport
, &rs
);
2118 sigchain_pop(SIGPIPE
);
2120 transport_disconnect(gtransport
);
2125 int cmd_fetch(int argc
, const char **argv
, const char *prefix
)
2128 const char *bundle_uri
;
2129 struct string_list list
= STRING_LIST_INIT_DUP
;
2130 struct remote
*remote
= NULL
;
2132 int prune_tags_ok
= 1;
2134 packet_trace_identity("fetch");
2136 /* Record the command line for the reflog */
2137 strbuf_addstr(&default_rla
, "fetch");
2138 for (i
= 1; i
< argc
; i
++) {
2139 /* This handles non-URLs gracefully */
2140 char *anon
= transport_anonymize_url(argv
[i
]);
2142 strbuf_addf(&default_rla
, " %s", anon
);
2146 git_config(git_fetch_config
, NULL
);
2147 if (the_repository
->gitdir
) {
2148 prepare_repo_settings(the_repository
);
2149 the_repository
->settings
.command_requires_full_index
= 0;
2152 argc
= parse_options(argc
, argv
, prefix
,
2153 builtin_fetch_options
, builtin_fetch_usage
, 0);
2155 if (recurse_submodules_cli
!= RECURSE_SUBMODULES_DEFAULT
)
2156 recurse_submodules
= recurse_submodules_cli
;
2158 if (negotiate_only
) {
2159 switch (recurse_submodules_cli
) {
2160 case RECURSE_SUBMODULES_OFF
:
2161 case RECURSE_SUBMODULES_DEFAULT
:
2163 * --negotiate-only should never recurse into
2164 * submodules. Skip it by setting recurse_submodules to
2165 * RECURSE_SUBMODULES_OFF.
2167 recurse_submodules
= RECURSE_SUBMODULES_OFF
;
2171 die(_("options '%s' and '%s' cannot be used together"),
2172 "--negotiate-only", "--recurse-submodules");
2176 if (recurse_submodules
!= RECURSE_SUBMODULES_OFF
) {
2177 int *sfjc
= submodule_fetch_jobs_config
== -1
2178 ? &submodule_fetch_jobs_config
: NULL
;
2179 int *rs
= recurse_submodules
== RECURSE_SUBMODULES_DEFAULT
2180 ? &recurse_submodules
: NULL
;
2182 fetch_config_from_gitmodules(sfjc
, rs
);
2185 if (negotiate_only
&& !negotiation_tip
.nr
)
2186 die(_("--negotiate-only needs one or more --negotiation-tip=*"));
2188 if (deepen_relative
) {
2189 if (deepen_relative
< 0)
2190 die(_("negative depth in --deepen is not supported"));
2192 die(_("options '%s' and '%s' cannot be used together"), "--deepen", "--depth");
2193 depth
= xstrfmt("%d", deepen_relative
);
2197 die(_("options '%s' and '%s' cannot be used together"), "--depth", "--unshallow");
2198 else if (!is_repository_shallow(the_repository
))
2199 die(_("--unshallow on a complete repository does not make sense"));
2201 depth
= xstrfmt("%d", INFINITE_DEPTH
);
2204 /* no need to be strict, transport_set_option() will validate it again */
2205 if (depth
&& atoi(depth
) < 1)
2206 die(_("depth %s is not a positive number"), depth
);
2207 if (depth
|| deepen_since
|| deepen_not
.nr
)
2210 /* FETCH_HEAD never gets updated in --dry-run mode */
2212 write_fetch_head
= 0;
2215 max_jobs
= online_cpus();
2217 if (!git_config_get_string_tmp("fetch.bundleuri", &bundle_uri
) &&
2218 fetch_bundle_uri(the_repository
, bundle_uri
, NULL
))
2219 warning(_("failed to fetch bundles from '%s'"), bundle_uri
);
2223 die(_("fetch --all does not take a repository argument"));
2225 die(_("fetch --all does not make sense with refspecs"));
2226 (void) for_each_remote(get_one_remote_for_fetch
, &list
);
2228 /* do not do fetch_multiple() of one */
2230 remote
= remote_get(list
.items
[0].string
);
2231 } else if (argc
== 0) {
2232 /* No arguments -- use default remote */
2233 remote
= remote_get(NULL
);
2234 } else if (multiple
) {
2235 /* All arguments are assumed to be remotes or groups */
2236 for (i
= 0; i
< argc
; i
++)
2237 if (!add_remote_or_group(argv
[i
], &list
))
2238 die(_("no such remote or remote group: %s"),
2241 /* Single remote or group */
2242 (void) add_remote_or_group(argv
[0], &list
);
2244 /* More than one remote */
2246 die(_("fetching a group and specifying refspecs does not make sense"));
2248 /* Zero or one remotes */
2249 remote
= remote_get(argv
[0]);
2250 prune_tags_ok
= (argc
== 1);
2255 string_list_remove_duplicates(&list
, 0);
2257 if (negotiate_only
) {
2258 struct oidset acked_commits
= OIDSET_INIT
;
2259 struct oidset_iter iter
;
2260 const struct object_id
*oid
;
2263 die(_("must supply remote when using --negotiate-only"));
2264 gtransport
= prepare_transport(remote
, 1);
2265 if (gtransport
->smart_options
) {
2266 gtransport
->smart_options
->acked_commits
= &acked_commits
;
2268 warning(_("protocol does not support --negotiate-only, exiting"));
2272 if (server_options
.nr
)
2273 gtransport
->server_options
= &server_options
;
2274 result
= transport_fetch_refs(gtransport
, NULL
);
2276 oidset_iter_init(&acked_commits
, &iter
);
2277 while ((oid
= oidset_iter_next(&iter
)))
2278 printf("%s\n", oid_to_hex(oid
));
2279 oidset_clear(&acked_commits
);
2280 } else if (remote
) {
2281 if (filter_options
.choice
|| repo_has_promisor_remote(the_repository
))
2282 fetch_one_setup_partial(remote
);
2283 result
= fetch_one(remote
, argc
, argv
, prune_tags_ok
, stdin_refspecs
);
2285 int max_children
= max_jobs
;
2287 if (filter_options
.choice
)
2288 die(_("--filter can only be used with the remote "
2289 "configured in extensions.partialclone"));
2292 die(_("--atomic can only be used when fetching "
2293 "from one remote"));
2296 die(_("--stdin can only be used when fetching "
2297 "from one remote"));
2299 if (max_children
< 0)
2300 max_children
= fetch_parallel_config
;
2302 /* TODO should this also die if we have a previous partial-clone? */
2303 result
= fetch_multiple(&list
, max_children
);
2308 * This is only needed after fetch_one(), which does not fetch
2309 * submodules by itself.
2311 * When we fetch from multiple remotes, fetch_multiple() has
2312 * already updated submodules to grab commits necessary for
2313 * the fetched history from each remote, so there is no need
2314 * to fetch submodules from here.
2316 if (!result
&& remote
&& (recurse_submodules
!= RECURSE_SUBMODULES_OFF
)) {
2317 struct strvec options
= STRVEC_INIT
;
2318 int max_children
= max_jobs
;
2320 if (max_children
< 0)
2321 max_children
= submodule_fetch_jobs_config
;
2322 if (max_children
< 0)
2323 max_children
= fetch_parallel_config
;
2325 add_options_to_argv(&options
);
2326 result
= fetch_submodules(the_repository
,
2330 recurse_submodules_default
,
2333 strvec_clear(&options
);
2337 * Skip irrelevant tasks because we know objects were not
2340 * NEEDSWORK: as a future optimization, we can return early
2341 * whenever objects were not fetched e.g. if we already have all
2347 prepare_repo_settings(the_repository
);
2348 if (fetch_write_commit_graph
> 0 ||
2349 (fetch_write_commit_graph
< 0 &&
2350 the_repository
->settings
.fetch_write_commit_graph
)) {
2351 int commit_graph_flags
= COMMIT_GRAPH_WRITE_SPLIT
;
2354 commit_graph_flags
|= COMMIT_GRAPH_WRITE_PROGRESS
;
2356 write_commit_graph_reachable(the_repository
->objects
->odb
,
2361 if (enable_auto_gc
) {
2364 * Hint auto-maintenance strongly to encourage repacking,
2365 * but respect config settings disabling it.
2368 if (git_config_get_int("gc.autopacklimit", &opt_val
))
2371 git_config_push_parameter("gc.autoPackLimit=1");
2373 if (git_config_get_int("maintenance.incremental-repack.auto", &opt_val
))
2376 git_config_push_parameter("maintenance.incremental-repack.auto=-1");
2378 run_auto_maintenance(verbosity
< 0);
2382 string_list_clear(&list
, 0);