2 #include "repository.h"
12 #include "fetch-pack.h"
14 #include "run-command.h"
16 #include "transport.h"
18 #include "sha1-array.h"
21 #include "object-store.h"
22 #include "connected.h"
23 #include "fetch-negotiator.h"
26 static int transfer_unpack_limit
= -1;
27 static int fetch_unpack_limit
= -1;
28 static int unpack_limit
= 100;
29 static int prefer_ofs_delta
= 1;
31 static int deepen_since_ok
;
32 static int deepen_not_ok
;
33 static int fetch_fsck_objects
= -1;
34 static int transfer_fsck_objects
= -1;
35 static int agent_supported
;
36 static int server_supports_filtering
;
37 static struct lock_file shallow_lock
;
38 static const char *alternate_shallow_file
;
39 static char *negotiation_algorithm
;
40 static struct strbuf fsck_msg_types
= STRBUF_INIT
;
42 /* Remember to update object flag allocation in object.h */
43 #define COMPLETE (1U << 0)
44 #define ALTERNATE (1U << 1)
47 * After sending this many "have"s if we do not get any new ACK , we
48 * give up traversing our history.
50 #define MAX_IN_VAIN 256
52 static int multi_ack
, use_sideband
;
53 /* Allow specifying sha1 if it is a ref tip. */
54 #define ALLOW_TIP_SHA1 01
55 /* Allow request of a sha1 if it is reachable from a ref (possibly hidden ref). */
56 #define ALLOW_REACHABLE_SHA1 02
57 static unsigned int allow_unadvertised_object_request
;
59 __attribute__((format (printf
, 2, 3)))
60 static inline void print_verbose(const struct fetch_pack_args
*args
,
68 va_start(params
, fmt
);
69 vfprintf(stderr
, fmt
, params
);
74 struct alternate_object_cache
{
75 struct object
**items
;
79 static void cache_one_alternate(const char *refname
,
80 const struct object_id
*oid
,
83 struct alternate_object_cache
*cache
= vcache
;
84 struct object
*obj
= parse_object(the_repository
, oid
);
86 if (!obj
|| (obj
->flags
& ALTERNATE
))
89 obj
->flags
|= ALTERNATE
;
90 ALLOC_GROW(cache
->items
, cache
->nr
+ 1, cache
->alloc
);
91 cache
->items
[cache
->nr
++] = obj
;
94 static void for_each_cached_alternate(struct fetch_negotiator
*negotiator
,
95 void (*cb
)(struct fetch_negotiator
*,
98 static int initialized
;
99 static struct alternate_object_cache cache
;
103 for_each_alternate_ref(cache_one_alternate
, &cache
);
107 for (i
= 0; i
< cache
.nr
; i
++)
108 cb(negotiator
, cache
.items
[i
]);
111 static int rev_list_insert_ref(struct fetch_negotiator
*negotiator
,
113 const struct object_id
*oid
)
115 struct object
*o
= deref_tag(the_repository
,
116 parse_object(the_repository
, oid
),
119 if (o
&& o
->type
== OBJ_COMMIT
)
120 negotiator
->add_tip(negotiator
, (struct commit
*)o
);
125 static int rev_list_insert_ref_oid(const char *refname
, const struct object_id
*oid
,
126 int flag
, void *cb_data
)
128 return rev_list_insert_ref(cb_data
, refname
, oid
);
139 static void consume_shallow_list(struct fetch_pack_args
*args
, int fd
)
141 if (args
->stateless_rpc
&& args
->deepen
) {
142 /* If we sent a depth we will get back "duplicate"
143 * shallow and unshallow commands every time there
144 * is a block of have lines exchanged.
147 while ((line
= packet_read_line(fd
, NULL
))) {
148 if (starts_with(line
, "shallow "))
150 if (starts_with(line
, "unshallow "))
152 die(_("git fetch-pack: expected shallow list"));
157 static enum ack_type
get_ack(int fd
, struct object_id
*result_oid
)
160 char *line
= packet_read_line(fd
, &len
);
164 die(_("git fetch-pack: expected ACK/NAK, got a flush packet"));
165 if (!strcmp(line
, "NAK"))
167 if (skip_prefix(line
, "ACK ", &arg
)) {
168 if (!get_oid_hex(arg
, result_oid
)) {
173 if (strstr(arg
, "continue"))
175 if (strstr(arg
, "common"))
177 if (strstr(arg
, "ready"))
182 if (skip_prefix(line
, "ERR ", &arg
))
183 die(_("remote error: %s"), arg
);
184 die(_("git fetch-pack: expected ACK/NAK, got '%s'"), line
);
187 static void send_request(struct fetch_pack_args
*args
,
188 int fd
, struct strbuf
*buf
)
190 if (args
->stateless_rpc
) {
191 send_sideband(fd
, -1, buf
->buf
, buf
->len
, LARGE_PACKET_MAX
);
194 write_or_die(fd
, buf
->buf
, buf
->len
);
197 static void insert_one_alternate_object(struct fetch_negotiator
*negotiator
,
200 rev_list_insert_ref(negotiator
, NULL
, &obj
->oid
);
203 #define INITIAL_FLUSH 16
204 #define PIPESAFE_FLUSH 32
205 #define LARGE_FLUSH 16384
207 static int next_flush(int stateless_rpc
, int count
)
210 if (count
< LARGE_FLUSH
)
213 count
= count
* 11 / 10;
215 if (count
< PIPESAFE_FLUSH
)
218 count
+= PIPESAFE_FLUSH
;
223 static void mark_tips(struct fetch_negotiator
*negotiator
,
224 const struct oid_array
*negotiation_tips
)
228 if (!negotiation_tips
) {
229 for_each_ref(rev_list_insert_ref_oid
, negotiator
);
233 for (i
= 0; i
< negotiation_tips
->nr
; i
++)
234 rev_list_insert_ref(negotiator
, NULL
,
235 &negotiation_tips
->oid
[i
]);
239 static int find_common(struct fetch_negotiator
*negotiator
,
240 struct fetch_pack_args
*args
,
241 int fd
[2], struct object_id
*result_oid
,
245 int count
= 0, flushes
= 0, flush_at
= INITIAL_FLUSH
, retval
;
246 const struct object_id
*oid
;
247 unsigned in_vain
= 0;
248 int got_continue
= 0;
250 struct strbuf req_buf
= STRBUF_INIT
;
251 size_t state_len
= 0;
253 if (args
->stateless_rpc
&& multi_ack
== 1)
254 die(_("--stateless-rpc requires multi_ack_detailed"));
256 if (!args
->no_dependents
) {
257 mark_tips(negotiator
, args
->negotiation_tips
);
258 for_each_cached_alternate(negotiator
, insert_one_alternate_object
);
262 for ( ; refs
; refs
= refs
->next
) {
263 struct object_id
*remote
= &refs
->old_oid
;
264 const char *remote_hex
;
268 * If that object is complete (i.e. it is an ancestor of a
269 * local ref), we tell them we have it but do not have to
270 * tell them about its ancestors, which they already know
273 * We use lookup_object here because we are only
274 * interested in the case we *know* the object is
275 * reachable and we have already scanned it.
277 * Do this only if args->no_dependents is false (if it is true,
278 * we cannot trust the object flags).
280 if (!args
->no_dependents
&&
281 ((o
= lookup_object(the_repository
, remote
->hash
)) != NULL
) &&
282 (o
->flags
& COMPLETE
)) {
286 remote_hex
= oid_to_hex(remote
);
288 struct strbuf c
= STRBUF_INIT
;
289 if (multi_ack
== 2) strbuf_addstr(&c
, " multi_ack_detailed");
290 if (multi_ack
== 1) strbuf_addstr(&c
, " multi_ack");
291 if (no_done
) strbuf_addstr(&c
, " no-done");
292 if (use_sideband
== 2) strbuf_addstr(&c
, " side-band-64k");
293 if (use_sideband
== 1) strbuf_addstr(&c
, " side-band");
294 if (args
->deepen_relative
) strbuf_addstr(&c
, " deepen-relative");
295 if (args
->use_thin_pack
) strbuf_addstr(&c
, " thin-pack");
296 if (args
->no_progress
) strbuf_addstr(&c
, " no-progress");
297 if (args
->include_tag
) strbuf_addstr(&c
, " include-tag");
298 if (prefer_ofs_delta
) strbuf_addstr(&c
, " ofs-delta");
299 if (deepen_since_ok
) strbuf_addstr(&c
, " deepen-since");
300 if (deepen_not_ok
) strbuf_addstr(&c
, " deepen-not");
301 if (agent_supported
) strbuf_addf(&c
, " agent=%s",
302 git_user_agent_sanitized());
303 if (args
->filter_options
.choice
)
304 strbuf_addstr(&c
, " filter");
305 packet_buf_write(&req_buf
, "want %s%s\n", remote_hex
, c
.buf
);
308 packet_buf_write(&req_buf
, "want %s\n", remote_hex
);
313 strbuf_release(&req_buf
);
318 if (is_repository_shallow(the_repository
))
319 write_shallow_commits(&req_buf
, 1, NULL
);
321 packet_buf_write(&req_buf
, "deepen %d", args
->depth
);
322 if (args
->deepen_since
) {
323 timestamp_t max_age
= approxidate(args
->deepen_since
);
324 packet_buf_write(&req_buf
, "deepen-since %"PRItime
, max_age
);
326 if (args
->deepen_not
) {
328 for (i
= 0; i
< args
->deepen_not
->nr
; i
++) {
329 struct string_list_item
*s
= args
->deepen_not
->items
+ i
;
330 packet_buf_write(&req_buf
, "deepen-not %s", s
->string
);
333 if (server_supports_filtering
&& args
->filter_options
.choice
)
334 packet_buf_write(&req_buf
, "filter %s",
335 args
->filter_options
.filter_spec
);
336 packet_buf_flush(&req_buf
);
337 state_len
= req_buf
.len
;
342 struct object_id oid
;
344 send_request(args
, fd
[1], &req_buf
);
345 while ((line
= packet_read_line(fd
[0], NULL
))) {
346 if (skip_prefix(line
, "shallow ", &arg
)) {
347 if (get_oid_hex(arg
, &oid
))
348 die(_("invalid shallow line: %s"), line
);
349 register_shallow(the_repository
, &oid
);
352 if (skip_prefix(line
, "unshallow ", &arg
)) {
353 if (get_oid_hex(arg
, &oid
))
354 die(_("invalid unshallow line: %s"), line
);
355 if (!lookup_object(the_repository
, oid
.hash
))
356 die(_("object not found: %s"), line
);
357 /* make sure that it is parsed as shallow */
358 if (!parse_object(the_repository
, &oid
))
359 die(_("error in object: %s"), line
);
360 if (unregister_shallow(&oid
))
361 die(_("no shallow found: %s"), line
);
364 die(_("expected shallow/unshallow, got %s"), line
);
366 } else if (!args
->stateless_rpc
)
367 send_request(args
, fd
[1], &req_buf
);
369 if (!args
->stateless_rpc
) {
370 /* If we aren't using the stateless-rpc interface
371 * we don't need to retain the headers.
373 strbuf_setlen(&req_buf
, 0);
379 if (args
->no_dependents
)
381 while ((oid
= negotiator
->next(negotiator
))) {
382 packet_buf_write(&req_buf
, "have %s\n", oid_to_hex(oid
));
383 print_verbose(args
, "have %s", oid_to_hex(oid
));
385 if (flush_at
<= ++count
) {
388 packet_buf_flush(&req_buf
);
389 send_request(args
, fd
[1], &req_buf
);
390 strbuf_setlen(&req_buf
, state_len
);
392 flush_at
= next_flush(args
->stateless_rpc
, count
);
395 * We keep one window "ahead" of the other side, and
396 * will wait for an ACK only on the next one
398 if (!args
->stateless_rpc
&& count
== INITIAL_FLUSH
)
401 consume_shallow_list(args
, fd
[0]);
403 ack
= get_ack(fd
[0], result_oid
);
405 print_verbose(args
, _("got %s %d %s"), "ack",
406 ack
, oid_to_hex(result_oid
));
416 struct commit
*commit
=
417 lookup_commit(the_repository
,
422 die(_("invalid commit %s"), oid_to_hex(result_oid
));
423 was_common
= negotiator
->ack(negotiator
, commit
);
424 if (args
->stateless_rpc
427 /* We need to replay the have for this object
428 * on the next RPC request so the peer knows
429 * it is in common with us.
431 const char *hex
= oid_to_hex(result_oid
);
432 packet_buf_write(&req_buf
, "have %s\n", hex
);
433 state_len
= req_buf
.len
;
435 * Reset in_vain because an ack
436 * for this commit has not been
440 } else if (!args
->stateless_rpc
441 || ack
!= ACK_common
)
445 if (ack
== ACK_ready
)
452 if (got_continue
&& MAX_IN_VAIN
< in_vain
) {
453 print_verbose(args
, _("giving up"));
461 if (!got_ready
|| !no_done
) {
462 packet_buf_write(&req_buf
, "done\n");
463 send_request(args
, fd
[1], &req_buf
);
465 print_verbose(args
, _("done"));
470 strbuf_release(&req_buf
);
472 if (!got_ready
|| !no_done
)
473 consume_shallow_list(args
, fd
[0]);
474 while (flushes
|| multi_ack
) {
475 int ack
= get_ack(fd
[0], result_oid
);
477 print_verbose(args
, _("got %s (%d) %s"), "ack",
478 ack
, oid_to_hex(result_oid
));
486 /* it is no error to fetch into a completely empty repo */
487 return count
? retval
: 0;
490 static struct commit_list
*complete
;
492 static int mark_complete(const struct object_id
*oid
)
494 struct object
*o
= parse_object(the_repository
, oid
);
496 while (o
&& o
->type
== OBJ_TAG
) {
497 struct tag
*t
= (struct tag
*) o
;
499 break; /* broken repository */
500 o
->flags
|= COMPLETE
;
501 o
= parse_object(the_repository
, &t
->tagged
->oid
);
503 if (o
&& o
->type
== OBJ_COMMIT
) {
504 struct commit
*commit
= (struct commit
*)o
;
505 if (!(commit
->object
.flags
& COMPLETE
)) {
506 commit
->object
.flags
|= COMPLETE
;
507 commit_list_insert(commit
, &complete
);
513 static int mark_complete_oid(const char *refname
, const struct object_id
*oid
,
514 int flag
, void *cb_data
)
516 return mark_complete(oid
);
519 static void mark_recent_complete_commits(struct fetch_pack_args
*args
,
522 while (complete
&& cutoff
<= complete
->item
->date
) {
523 print_verbose(args
, _("Marking %s as complete"),
524 oid_to_hex(&complete
->item
->object
.oid
));
525 pop_most_recent_commit(&complete
, COMPLETE
);
529 static void add_refs_to_oidset(struct oidset
*oids
, struct ref
*refs
)
531 for (; refs
; refs
= refs
->next
)
532 oidset_insert(oids
, &refs
->old_oid
);
535 static int tip_oids_contain(struct oidset
*tip_oids
,
536 struct ref
*unmatched
, struct ref
*newlist
,
537 const struct object_id
*id
)
540 * Note that this only looks at the ref lists the first time it's
541 * called. This works out in filter_refs() because even though it may
542 * add to "newlist" between calls, the additions will always be for
543 * oids that are already in the set.
545 if (!tip_oids
->map
.map
.tablesize
) {
546 add_refs_to_oidset(tip_oids
, unmatched
);
547 add_refs_to_oidset(tip_oids
, newlist
);
549 return oidset_contains(tip_oids
, id
);
552 static void filter_refs(struct fetch_pack_args
*args
,
554 struct ref
**sought
, int nr_sought
)
556 struct ref
*newlist
= NULL
;
557 struct ref
**newtail
= &newlist
;
558 struct ref
*unmatched
= NULL
;
559 struct ref
*ref
, *next
;
560 struct oidset tip_oids
= OIDSET_INIT
;
564 for (ref
= *refs
; ref
; ref
= next
) {
568 if (starts_with(ref
->name
, "refs/") &&
569 check_refname_format(ref
->name
, 0))
572 while (i
< nr_sought
) {
573 int cmp
= strcmp(ref
->name
, sought
[i
]->name
);
575 break; /* definitely do not have it */
577 keep
= 1; /* definitely have it */
578 sought
[i
]->match_status
= REF_MATCHED
;
583 if (!keep
&& args
->fetch_all
&&
584 (!args
->deepen
|| !starts_with(ref
->name
, "refs/tags/")))
591 newtail
= &ref
->next
;
593 ref
->next
= unmatched
;
598 /* Append unmatched requests to the list */
599 for (i
= 0; i
< nr_sought
; i
++) {
600 struct object_id oid
;
604 if (ref
->match_status
!= REF_NOT_MATCHED
)
606 if (parse_oid_hex(ref
->name
, &oid
, &p
) ||
608 oidcmp(&oid
, &ref
->old_oid
))
611 if ((allow_unadvertised_object_request
&
612 (ALLOW_TIP_SHA1
| ALLOW_REACHABLE_SHA1
)) ||
613 tip_oids_contain(&tip_oids
, unmatched
, newlist
,
615 ref
->match_status
= REF_MATCHED
;
616 *newtail
= copy_ref(ref
);
617 newtail
= &(*newtail
)->next
;
619 ref
->match_status
= REF_UNADVERTISED_NOT_ALLOWED
;
623 oidset_clear(&tip_oids
);
624 for (ref
= unmatched
; ref
; ref
= next
) {
632 static void mark_alternate_complete(struct fetch_negotiator
*unused
,
635 mark_complete(&obj
->oid
);
638 struct loose_object_iter
{
639 struct oidset
*loose_object_set
;
644 * If the number of refs is not larger than the number of loose objects,
645 * this function stops inserting.
647 static int add_loose_objects_to_set(const struct object_id
*oid
,
651 struct loose_object_iter
*iter
= data
;
652 oidset_insert(iter
->loose_object_set
, oid
);
653 if (iter
->refs
== NULL
)
656 iter
->refs
= iter
->refs
->next
;
661 * Mark recent commits available locally and reachable from a local ref as
662 * COMPLETE. If args->no_dependents is false, also mark COMPLETE remote refs as
663 * COMMON_REF (otherwise, we are not planning to participate in negotiation, and
664 * thus do not need COMMON_REF marks).
666 * The cutoff time for recency is determined by this heuristic: it is the
667 * earliest commit time of the objects in refs that are commits and that we know
668 * the commit time of.
670 static void mark_complete_and_common_ref(struct fetch_negotiator
*negotiator
,
671 struct fetch_pack_args
*args
,
675 int old_save_commit_buffer
= save_commit_buffer
;
676 timestamp_t cutoff
= 0;
677 struct oidset loose_oid_set
= OIDSET_INIT
;
679 struct loose_object_iter iter
= {&loose_oid_set
, *refs
};
681 /* Enumerate all loose objects or know refs are not so many. */
682 use_oidset
= !for_each_loose_object(add_loose_objects_to_set
,
685 save_commit_buffer
= 0;
687 for (ref
= *refs
; ref
; ref
= ref
->next
) {
689 unsigned int flags
= OBJECT_INFO_QUICK
;
692 !oidset_contains(&loose_oid_set
, &ref
->old_oid
)) {
694 * I know this does not exist in the loose form,
695 * so check if it exists in a non-loose form.
697 flags
|= OBJECT_INFO_IGNORE_LOOSE
;
700 if (!has_object_file_with_flags(&ref
->old_oid
, flags
))
702 o
= parse_object(the_repository
, &ref
->old_oid
);
706 /* We already have it -- which may mean that we were
707 * in sync with the other side at some time after
708 * that (it is OK if we guess wrong here).
710 if (o
->type
== OBJ_COMMIT
) {
711 struct commit
*commit
= (struct commit
*)o
;
712 if (!cutoff
|| cutoff
< commit
->date
)
713 cutoff
= commit
->date
;
717 oidset_clear(&loose_oid_set
);
720 for_each_ref(mark_complete_oid
, NULL
);
721 for_each_cached_alternate(NULL
, mark_alternate_complete
);
722 commit_list_sort_by_date(&complete
);
724 mark_recent_complete_commits(args
, cutoff
);
728 * Mark all complete remote refs as common refs.
729 * Don't mark them common yet; the server has to be told so first.
731 for (ref
= *refs
; ref
; ref
= ref
->next
) {
732 struct object
*o
= deref_tag(the_repository
,
733 lookup_object(the_repository
,
737 if (!o
|| o
->type
!= OBJ_COMMIT
|| !(o
->flags
& COMPLETE
))
740 negotiator
->known_common(negotiator
,
744 save_commit_buffer
= old_save_commit_buffer
;
748 * Returns 1 if every object pointed to by the given remote refs is available
749 * locally and reachable from a local ref, and 0 otherwise.
751 static int everything_local(struct fetch_pack_args
*args
,
757 for (retval
= 1, ref
= *refs
; ref
; ref
= ref
->next
) {
758 const struct object_id
*remote
= &ref
->old_oid
;
761 o
= lookup_object(the_repository
, remote
->hash
);
762 if (!o
|| !(o
->flags
& COMPLETE
)) {
764 print_verbose(args
, "want %s (%s)", oid_to_hex(remote
),
768 print_verbose(args
, _("already have %s (%s)"), oid_to_hex(remote
),
775 static int sideband_demux(int in
, int out
, void *data
)
780 ret
= recv_sideband("fetch-pack", xd
[0], out
);
785 static int get_pack(struct fetch_pack_args
*args
,
786 int xd
[2], char **pack_lockfile
)
789 int do_keep
= args
->keep_pack
;
790 const char *cmd_name
;
791 struct pack_header header
;
793 struct child_process cmd
= CHILD_PROCESS_INIT
;
796 memset(&demux
, 0, sizeof(demux
));
798 /* xd[] is talking with upload-pack; subprocess reads from
799 * xd[0], spits out band#2 to stderr, and feeds us band#1
800 * through demux->out.
802 demux
.proc
= sideband_demux
;
805 demux
.isolate_sigpipe
= 1;
806 if (start_async(&demux
))
807 die(_("fetch-pack: unable to fork off sideband demultiplexer"));
812 if (!args
->keep_pack
&& unpack_limit
) {
814 if (read_pack_header(demux
.out
, &header
))
815 die(_("protocol error: bad pack header"));
817 if (ntohl(header
.hdr_entries
) < unpack_limit
)
823 if (alternate_shallow_file
) {
824 argv_array_push(&cmd
.args
, "--shallow-file");
825 argv_array_push(&cmd
.args
, alternate_shallow_file
);
828 if (do_keep
|| args
->from_promisor
) {
831 cmd_name
= "index-pack";
832 argv_array_push(&cmd
.args
, cmd_name
);
833 argv_array_push(&cmd
.args
, "--stdin");
834 if (!args
->quiet
&& !args
->no_progress
)
835 argv_array_push(&cmd
.args
, "-v");
836 if (args
->use_thin_pack
)
837 argv_array_push(&cmd
.args
, "--fix-thin");
838 if (do_keep
&& (args
->lock_pack
|| unpack_limit
)) {
839 char hostname
[HOST_NAME_MAX
+ 1];
840 if (xgethostname(hostname
, sizeof(hostname
)))
841 xsnprintf(hostname
, sizeof(hostname
), "localhost");
842 argv_array_pushf(&cmd
.args
,
843 "--keep=fetch-pack %"PRIuMAX
" on %s",
844 (uintmax_t)getpid(), hostname
);
846 if (args
->check_self_contained_and_connected
)
847 argv_array_push(&cmd
.args
, "--check-self-contained-and-connected");
848 if (args
->from_promisor
)
849 argv_array_push(&cmd
.args
, "--promisor");
852 cmd_name
= "unpack-objects";
853 argv_array_push(&cmd
.args
, cmd_name
);
854 if (args
->quiet
|| args
->no_progress
)
855 argv_array_push(&cmd
.args
, "-q");
856 args
->check_self_contained_and_connected
= 0;
860 argv_array_pushf(&cmd
.args
, "--pack_header=%"PRIu32
",%"PRIu32
,
861 ntohl(header
.hdr_version
),
862 ntohl(header
.hdr_entries
));
863 if (fetch_fsck_objects
>= 0
865 : transfer_fsck_objects
>= 0
866 ? transfer_fsck_objects
868 if (args
->from_promisor
)
870 * We cannot use --strict in index-pack because it
871 * checks both broken objects and links, but we only
872 * want to check for broken objects.
874 argv_array_push(&cmd
.args
, "--fsck-objects");
876 argv_array_pushf(&cmd
.args
, "--strict%s",
882 if (start_command(&cmd
))
883 die(_("fetch-pack: unable to fork off %s"), cmd_name
);
884 if (do_keep
&& pack_lockfile
) {
885 *pack_lockfile
= index_pack_lockfile(cmd
.out
);
890 /* Closed by start_command() */
893 ret
= finish_command(&cmd
);
894 if (!ret
|| (args
->check_self_contained_and_connected
&& ret
== 1))
895 args
->self_contained_and_connected
=
896 args
->check_self_contained_and_connected
&&
899 die(_("%s failed"), cmd_name
);
900 if (use_sideband
&& finish_async(&demux
))
901 die(_("error in sideband demultiplexer"));
905 static int cmp_ref_by_name(const void *a_
, const void *b_
)
907 const struct ref
*a
= *((const struct ref
**)a_
);
908 const struct ref
*b
= *((const struct ref
**)b_
);
909 return strcmp(a
->name
, b
->name
);
912 static struct ref
*do_fetch_pack(struct fetch_pack_args
*args
,
914 const struct ref
*orig_ref
,
915 struct ref
**sought
, int nr_sought
,
916 struct shallow_info
*si
,
917 char **pack_lockfile
)
919 struct ref
*ref
= copy_ref_list(orig_ref
);
920 struct object_id oid
;
921 const char *agent_feature
;
923 struct fetch_negotiator negotiator
;
924 fetch_negotiator_init(&negotiator
, negotiation_algorithm
);
926 sort_ref_list(&ref
, ref_compare_name
);
927 QSORT(sought
, nr_sought
, cmp_ref_by_name
);
929 if ((args
->depth
> 0 || is_repository_shallow(the_repository
)) && !server_supports("shallow"))
930 die(_("Server does not support shallow clients"));
931 if (args
->depth
> 0 || args
->deepen_since
|| args
->deepen_not
)
933 if (server_supports("multi_ack_detailed")) {
934 print_verbose(args
, _("Server supports multi_ack_detailed"));
936 if (server_supports("no-done")) {
937 print_verbose(args
, _("Server supports no-done"));
938 if (args
->stateless_rpc
)
942 else if (server_supports("multi_ack")) {
943 print_verbose(args
, _("Server supports multi_ack"));
946 if (server_supports("side-band-64k")) {
947 print_verbose(args
, _("Server supports side-band-64k"));
950 else if (server_supports("side-band")) {
951 print_verbose(args
, _("Server supports side-band"));
954 if (server_supports("allow-tip-sha1-in-want")) {
955 print_verbose(args
, _("Server supports allow-tip-sha1-in-want"));
956 allow_unadvertised_object_request
|= ALLOW_TIP_SHA1
;
958 if (server_supports("allow-reachable-sha1-in-want")) {
959 print_verbose(args
, _("Server supports allow-reachable-sha1-in-want"));
960 allow_unadvertised_object_request
|= ALLOW_REACHABLE_SHA1
;
962 if (!server_supports("thin-pack"))
963 args
->use_thin_pack
= 0;
964 if (!server_supports("no-progress"))
965 args
->no_progress
= 0;
966 if (!server_supports("include-tag"))
967 args
->include_tag
= 0;
968 if (server_supports("ofs-delta"))
969 print_verbose(args
, _("Server supports ofs-delta"));
971 prefer_ofs_delta
= 0;
973 if (server_supports("filter")) {
974 server_supports_filtering
= 1;
975 print_verbose(args
, _("Server supports filter"));
976 } else if (args
->filter_options
.choice
) {
977 warning("filtering not recognized by server, ignoring");
980 if ((agent_feature
= server_feature_value("agent", &agent_len
))) {
983 print_verbose(args
, _("Server version is %.*s"),
984 agent_len
, agent_feature
);
986 if (server_supports("deepen-since"))
988 else if (args
->deepen_since
)
989 die(_("Server does not support --shallow-since"));
990 if (server_supports("deepen-not"))
992 else if (args
->deepen_not
)
993 die(_("Server does not support --shallow-exclude"));
994 if (!server_supports("deepen-relative") && args
->deepen_relative
)
995 die(_("Server does not support --deepen"));
997 if (!args
->no_dependents
) {
998 mark_complete_and_common_ref(&negotiator
, args
, &ref
);
999 filter_refs(args
, &ref
, sought
, nr_sought
);
1000 if (everything_local(args
, &ref
)) {
1001 packet_flush(fd
[1]);
1005 filter_refs(args
, &ref
, sought
, nr_sought
);
1007 if (find_common(&negotiator
, args
, fd
, &oid
, ref
) < 0)
1008 if (!args
->keep_pack
)
1009 /* When cloning, it is not unusual to have
1012 warning(_("no common commits"));
1014 if (args
->stateless_rpc
)
1015 packet_flush(fd
[1]);
1017 setup_alternate_shallow(&shallow_lock
, &alternate_shallow_file
,
1019 else if (si
->nr_ours
|| si
->nr_theirs
)
1020 alternate_shallow_file
= setup_temporary_shallow(si
->shallow
);
1022 alternate_shallow_file
= NULL
;
1023 if (get_pack(args
, fd
, pack_lockfile
))
1024 die(_("git fetch-pack: fetch failed."));
1027 negotiator
.release(&negotiator
);
1031 static void add_shallow_requests(struct strbuf
*req_buf
,
1032 const struct fetch_pack_args
*args
)
1034 if (is_repository_shallow(the_repository
))
1035 write_shallow_commits(req_buf
, 1, NULL
);
1036 if (args
->depth
> 0)
1037 packet_buf_write(req_buf
, "deepen %d", args
->depth
);
1038 if (args
->deepen_since
) {
1039 timestamp_t max_age
= approxidate(args
->deepen_since
);
1040 packet_buf_write(req_buf
, "deepen-since %"PRItime
, max_age
);
1042 if (args
->deepen_not
) {
1044 for (i
= 0; i
< args
->deepen_not
->nr
; i
++) {
1045 struct string_list_item
*s
= args
->deepen_not
->items
+ i
;
1046 packet_buf_write(req_buf
, "deepen-not %s", s
->string
);
1051 static void add_wants(int no_dependents
, const struct ref
*wants
, struct strbuf
*req_buf
)
1053 int use_ref_in_want
= server_supports_feature("fetch", "ref-in-want", 0);
1055 for ( ; wants
; wants
= wants
->next
) {
1056 const struct object_id
*remote
= &wants
->old_oid
;
1060 * If that object is complete (i.e. it is an ancestor of a
1061 * local ref), we tell them we have it but do not have to
1062 * tell them about its ancestors, which they already know
1065 * We use lookup_object here because we are only
1066 * interested in the case we *know* the object is
1067 * reachable and we have already scanned it.
1069 * Do this only if args->no_dependents is false (if it is true,
1070 * we cannot trust the object flags).
1072 if (!no_dependents
&&
1073 ((o
= lookup_object(the_repository
, remote
->hash
)) != NULL
) &&
1074 (o
->flags
& COMPLETE
)) {
1078 if (!use_ref_in_want
|| wants
->exact_oid
)
1079 packet_buf_write(req_buf
, "want %s\n", oid_to_hex(remote
));
1081 packet_buf_write(req_buf
, "want-ref %s\n", wants
->name
);
1085 static void add_common(struct strbuf
*req_buf
, struct oidset
*common
)
1087 struct oidset_iter iter
;
1088 const struct object_id
*oid
;
1089 oidset_iter_init(common
, &iter
);
1091 while ((oid
= oidset_iter_next(&iter
))) {
1092 packet_buf_write(req_buf
, "have %s\n", oid_to_hex(oid
));
1096 static int add_haves(struct fetch_negotiator
*negotiator
,
1097 struct strbuf
*req_buf
,
1098 int *haves_to_send
, int *in_vain
)
1101 int haves_added
= 0;
1102 const struct object_id
*oid
;
1104 while ((oid
= negotiator
->next(negotiator
))) {
1105 packet_buf_write(req_buf
, "have %s\n", oid_to_hex(oid
));
1106 if (++haves_added
>= *haves_to_send
)
1110 *in_vain
+= haves_added
;
1111 if (!haves_added
|| *in_vain
>= MAX_IN_VAIN
) {
1113 packet_buf_write(req_buf
, "done\n");
1117 /* Increase haves to send on next round */
1118 *haves_to_send
= next_flush(1, *haves_to_send
);
1123 static int send_fetch_request(struct fetch_negotiator
*negotiator
, int fd_out
,
1124 const struct fetch_pack_args
*args
,
1125 const struct ref
*wants
, struct oidset
*common
,
1126 int *haves_to_send
, int *in_vain
)
1129 struct strbuf req_buf
= STRBUF_INIT
;
1131 if (server_supports_v2("fetch", 1))
1132 packet_buf_write(&req_buf
, "command=fetch");
1133 if (server_supports_v2("agent", 0))
1134 packet_buf_write(&req_buf
, "agent=%s", git_user_agent_sanitized());
1135 if (args
->server_options
&& args
->server_options
->nr
&&
1136 server_supports_v2("server-option", 1)) {
1138 for (i
= 0; i
< args
->server_options
->nr
; i
++)
1139 packet_write_fmt(fd_out
, "server-option=%s",
1140 args
->server_options
->items
[i
].string
);
1143 packet_buf_delim(&req_buf
);
1144 if (args
->use_thin_pack
)
1145 packet_buf_write(&req_buf
, "thin-pack");
1146 if (args
->no_progress
)
1147 packet_buf_write(&req_buf
, "no-progress");
1148 if (args
->include_tag
)
1149 packet_buf_write(&req_buf
, "include-tag");
1150 if (prefer_ofs_delta
)
1151 packet_buf_write(&req_buf
, "ofs-delta");
1153 /* Add shallow-info and deepen request */
1154 if (server_supports_feature("fetch", "shallow", 0))
1155 add_shallow_requests(&req_buf
, args
);
1156 else if (is_repository_shallow(the_repository
) || args
->deepen
)
1157 die(_("Server does not support shallow requests"));
1160 if (server_supports_feature("fetch", "filter", 0) &&
1161 args
->filter_options
.choice
) {
1162 print_verbose(args
, _("Server supports filter"));
1163 packet_buf_write(&req_buf
, "filter %s",
1164 args
->filter_options
.filter_spec
);
1165 } else if (args
->filter_options
.choice
) {
1166 warning("filtering not recognized by server, ignoring");
1170 add_wants(args
->no_dependents
, wants
, &req_buf
);
1172 if (args
->no_dependents
) {
1173 packet_buf_write(&req_buf
, "done");
1176 /* Add all of the common commits we've found in previous rounds */
1177 add_common(&req_buf
, common
);
1179 /* Add initial haves */
1180 ret
= add_haves(negotiator
, &req_buf
, haves_to_send
, in_vain
);
1184 packet_buf_flush(&req_buf
);
1185 write_or_die(fd_out
, req_buf
.buf
, req_buf
.len
);
1187 strbuf_release(&req_buf
);
1192 * Processes a section header in a server's response and checks if it matches
1193 * `section`. If the value of `peek` is 1, the header line will be peeked (and
1194 * not consumed); if 0, the line will be consumed and the function will die if
1195 * the section header doesn't match what was expected.
1197 static int process_section_header(struct packet_reader
*reader
,
1198 const char *section
, int peek
)
1202 if (packet_reader_peek(reader
) != PACKET_READ_NORMAL
)
1203 die(_("error reading section header '%s'"), section
);
1205 ret
= !strcmp(reader
->line
, section
);
1209 die(_("expected '%s', received '%s'"),
1210 section
, reader
->line
);
1211 packet_reader_read(reader
);
1217 static int process_acks(struct fetch_negotiator
*negotiator
,
1218 struct packet_reader
*reader
,
1219 struct oidset
*common
)
1222 int received_ready
= 0;
1223 int received_ack
= 0;
1225 process_section_header(reader
, "acknowledgments", 0);
1226 while (packet_reader_read(reader
) == PACKET_READ_NORMAL
) {
1229 if (!strcmp(reader
->line
, "NAK"))
1232 if (skip_prefix(reader
->line
, "ACK ", &arg
)) {
1233 struct object_id oid
;
1234 if (!get_oid_hex(arg
, &oid
)) {
1235 struct commit
*commit
;
1236 oidset_insert(common
, &oid
);
1237 commit
= lookup_commit(the_repository
, &oid
);
1238 negotiator
->ack(negotiator
, commit
);
1243 if (!strcmp(reader
->line
, "ready")) {
1248 die(_("unexpected acknowledgment line: '%s'"), reader
->line
);
1251 if (reader
->status
!= PACKET_READ_FLUSH
&&
1252 reader
->status
!= PACKET_READ_DELIM
)
1253 die(_("error processing acks: %d"), reader
->status
);
1255 /* return 0 if no common, 1 if there are common, or 2 if ready */
1256 return received_ready
? 2 : (received_ack
? 1 : 0);
1259 static void receive_shallow_info(struct fetch_pack_args
*args
,
1260 struct packet_reader
*reader
)
1262 process_section_header(reader
, "shallow-info", 0);
1263 while (packet_reader_read(reader
) == PACKET_READ_NORMAL
) {
1265 struct object_id oid
;
1267 if (skip_prefix(reader
->line
, "shallow ", &arg
)) {
1268 if (get_oid_hex(arg
, &oid
))
1269 die(_("invalid shallow line: %s"), reader
->line
);
1270 register_shallow(the_repository
, &oid
);
1273 if (skip_prefix(reader
->line
, "unshallow ", &arg
)) {
1274 if (get_oid_hex(arg
, &oid
))
1275 die(_("invalid unshallow line: %s"), reader
->line
);
1276 if (!lookup_object(the_repository
, oid
.hash
))
1277 die(_("object not found: %s"), reader
->line
);
1278 /* make sure that it is parsed as shallow */
1279 if (!parse_object(the_repository
, &oid
))
1280 die(_("error in object: %s"), reader
->line
);
1281 if (unregister_shallow(&oid
))
1282 die(_("no shallow found: %s"), reader
->line
);
1285 die(_("expected shallow/unshallow, got %s"), reader
->line
);
1288 if (reader
->status
!= PACKET_READ_FLUSH
&&
1289 reader
->status
!= PACKET_READ_DELIM
)
1290 die(_("error processing shallow info: %d"), reader
->status
);
1292 setup_alternate_shallow(&shallow_lock
, &alternate_shallow_file
, NULL
);
1296 static void receive_wanted_refs(struct packet_reader
*reader
,
1297 struct ref
**sought
, int nr_sought
)
1299 process_section_header(reader
, "wanted-refs", 0);
1300 while (packet_reader_read(reader
) == PACKET_READ_NORMAL
) {
1301 struct object_id oid
;
1305 if (parse_oid_hex(reader
->line
, &oid
, &end
) || *end
++ != ' ')
1306 die(_("expected wanted-ref, got '%s'"), reader
->line
);
1308 for (i
= 0; i
< nr_sought
; i
++) {
1309 if (!strcmp(end
, sought
[i
]->name
)) {
1310 oidcpy(&sought
[i
]->old_oid
, &oid
);
1316 die(_("unexpected wanted-ref: '%s'"), reader
->line
);
1319 if (reader
->status
!= PACKET_READ_DELIM
)
1320 die(_("error processing wanted refs: %d"), reader
->status
);
1324 FETCH_CHECK_LOCAL
= 0,
1331 static struct ref
*do_fetch_pack_v2(struct fetch_pack_args
*args
,
1333 const struct ref
*orig_ref
,
1334 struct ref
**sought
, int nr_sought
,
1335 char **pack_lockfile
)
1337 struct ref
*ref
= copy_ref_list(orig_ref
);
1338 enum fetch_state state
= FETCH_CHECK_LOCAL
;
1339 struct oidset common
= OIDSET_INIT
;
1340 struct packet_reader reader
;
1342 int haves_to_send
= INITIAL_FLUSH
;
1343 struct fetch_negotiator negotiator
;
1344 fetch_negotiator_init(&negotiator
, negotiation_algorithm
);
1345 packet_reader_init(&reader
, fd
[0], NULL
, 0,
1346 PACKET_READ_CHOMP_NEWLINE
);
1348 while (state
!= FETCH_DONE
) {
1350 case FETCH_CHECK_LOCAL
:
1351 sort_ref_list(&ref
, ref_compare_name
);
1352 QSORT(sought
, nr_sought
, cmp_ref_by_name
);
1354 /* v2 supports these by default */
1355 allow_unadvertised_object_request
|= ALLOW_REACHABLE_SHA1
;
1357 if (args
->depth
> 0 || args
->deepen_since
|| args
->deepen_not
)
1360 /* Filter 'ref' by 'sought' and those that aren't local */
1361 if (!args
->no_dependents
) {
1362 mark_complete_and_common_ref(&negotiator
, args
, &ref
);
1363 filter_refs(args
, &ref
, sought
, nr_sought
);
1364 if (everything_local(args
, &ref
))
1367 state
= FETCH_SEND_REQUEST
;
1369 mark_tips(&negotiator
, args
->negotiation_tips
);
1370 for_each_cached_alternate(&negotiator
,
1371 insert_one_alternate_object
);
1373 filter_refs(args
, &ref
, sought
, nr_sought
);
1374 state
= FETCH_SEND_REQUEST
;
1377 case FETCH_SEND_REQUEST
:
1378 if (send_fetch_request(&negotiator
, fd
[1], args
, ref
,
1380 &haves_to_send
, &in_vain
))
1381 state
= FETCH_GET_PACK
;
1383 state
= FETCH_PROCESS_ACKS
;
1385 case FETCH_PROCESS_ACKS
:
1386 /* Process ACKs/NAKs */
1387 switch (process_acks(&negotiator
, &reader
, &common
)) {
1389 state
= FETCH_GET_PACK
;
1395 state
= FETCH_SEND_REQUEST
;
1399 case FETCH_GET_PACK
:
1400 /* Check for shallow-info section */
1401 if (process_section_header(&reader
, "shallow-info", 1))
1402 receive_shallow_info(args
, &reader
);
1404 if (process_section_header(&reader
, "wanted-refs", 1))
1405 receive_wanted_refs(&reader
, sought
, nr_sought
);
1408 process_section_header(&reader
, "packfile", 0);
1409 if (get_pack(args
, fd
, pack_lockfile
))
1410 die(_("git fetch-pack: fetch failed."));
1419 negotiator
.release(&negotiator
);
1420 oidset_clear(&common
);
1424 static int fetch_pack_config_cb(const char *var
, const char *value
, void *cb
)
1426 if (strcmp(var
, "fetch.fsck.skiplist") == 0) {
1429 if (git_config_pathname(&path
, var
, value
))
1431 strbuf_addf(&fsck_msg_types
, "%cskiplist=%s",
1432 fsck_msg_types
.len
? ',' : '=', path
);
1437 if (skip_prefix(var
, "fetch.fsck.", &var
)) {
1438 if (is_valid_msg_type(var
, value
))
1439 strbuf_addf(&fsck_msg_types
, "%c%s=%s",
1440 fsck_msg_types
.len
? ',' : '=', var
, value
);
1442 warning("Skipping unknown msg id '%s'", var
);
1446 return git_default_config(var
, value
, cb
);
1449 static void fetch_pack_config(void)
1451 git_config_get_int("fetch.unpacklimit", &fetch_unpack_limit
);
1452 git_config_get_int("transfer.unpacklimit", &transfer_unpack_limit
);
1453 git_config_get_bool("repack.usedeltabaseoffset", &prefer_ofs_delta
);
1454 git_config_get_bool("fetch.fsckobjects", &fetch_fsck_objects
);
1455 git_config_get_bool("transfer.fsckobjects", &transfer_fsck_objects
);
1456 git_config_get_string("fetch.negotiationalgorithm",
1457 &negotiation_algorithm
);
1459 git_config(fetch_pack_config_cb
, NULL
);
1462 static void fetch_pack_setup(void)
1464 static int did_setup
;
1467 fetch_pack_config();
1468 if (0 <= transfer_unpack_limit
)
1469 unpack_limit
= transfer_unpack_limit
;
1470 else if (0 <= fetch_unpack_limit
)
1471 unpack_limit
= fetch_unpack_limit
;
1475 static int remove_duplicates_in_refs(struct ref
**ref
, int nr
)
1477 struct string_list names
= STRING_LIST_INIT_NODUP
;
1480 for (src
= dst
= 0; src
< nr
; src
++) {
1481 struct string_list_item
*item
;
1482 item
= string_list_insert(&names
, ref
[src
]->name
);
1484 continue; /* already have it */
1485 item
->util
= ref
[src
];
1487 ref
[dst
] = ref
[src
];
1490 for (src
= dst
; src
< nr
; src
++)
1492 string_list_clear(&names
, 0);
1496 static void update_shallow(struct fetch_pack_args
*args
,
1497 struct ref
**sought
, int nr_sought
,
1498 struct shallow_info
*si
)
1500 struct oid_array ref
= OID_ARRAY_INIT
;
1504 if (args
->deepen
&& alternate_shallow_file
) {
1505 if (*alternate_shallow_file
== '\0') { /* --unshallow */
1506 unlink_or_warn(git_path_shallow(the_repository
));
1507 rollback_lock_file(&shallow_lock
);
1509 commit_lock_file(&shallow_lock
);
1513 if (!si
->shallow
|| !si
->shallow
->nr
)
1516 if (args
->cloning
) {
1518 * remote is shallow, but this is a clone, there are
1519 * no objects in repo to worry about. Accept any
1520 * shallow points that exist in the pack (iow in repo
1521 * after get_pack() and reprepare_packed_git())
1523 struct oid_array extra
= OID_ARRAY_INIT
;
1524 struct object_id
*oid
= si
->shallow
->oid
;
1525 for (i
= 0; i
< si
->shallow
->nr
; i
++)
1526 if (has_object_file(&oid
[i
]))
1527 oid_array_append(&extra
, &oid
[i
]);
1529 setup_alternate_shallow(&shallow_lock
,
1530 &alternate_shallow_file
,
1532 commit_lock_file(&shallow_lock
);
1534 oid_array_clear(&extra
);
1538 if (!si
->nr_ours
&& !si
->nr_theirs
)
1541 remove_nonexistent_theirs_shallow(si
);
1542 if (!si
->nr_ours
&& !si
->nr_theirs
)
1544 for (i
= 0; i
< nr_sought
; i
++)
1545 oid_array_append(&ref
, &sought
[i
]->old_oid
);
1548 if (args
->update_shallow
) {
1550 * remote is also shallow, .git/shallow may be updated
1551 * so all refs can be accepted. Make sure we only add
1552 * shallow roots that are actually reachable from new
1555 struct oid_array extra
= OID_ARRAY_INIT
;
1556 struct object_id
*oid
= si
->shallow
->oid
;
1557 assign_shallow_commits_to_refs(si
, NULL
, NULL
);
1558 if (!si
->nr_ours
&& !si
->nr_theirs
) {
1559 oid_array_clear(&ref
);
1562 for (i
= 0; i
< si
->nr_ours
; i
++)
1563 oid_array_append(&extra
, &oid
[si
->ours
[i
]]);
1564 for (i
= 0; i
< si
->nr_theirs
; i
++)
1565 oid_array_append(&extra
, &oid
[si
->theirs
[i
]]);
1566 setup_alternate_shallow(&shallow_lock
,
1567 &alternate_shallow_file
,
1569 commit_lock_file(&shallow_lock
);
1570 oid_array_clear(&extra
);
1571 oid_array_clear(&ref
);
1576 * remote is also shallow, check what ref is safe to update
1577 * without updating .git/shallow
1579 status
= xcalloc(nr_sought
, sizeof(*status
));
1580 assign_shallow_commits_to_refs(si
, NULL
, status
);
1581 if (si
->nr_ours
|| si
->nr_theirs
) {
1582 for (i
= 0; i
< nr_sought
; i
++)
1584 sought
[i
]->status
= REF_STATUS_REJECT_SHALLOW
;
1587 oid_array_clear(&ref
);
1590 static int iterate_ref_map(void *cb_data
, struct object_id
*oid
)
1592 struct ref
**rm
= cb_data
;
1593 struct ref
*ref
= *rm
;
1596 return -1; /* end of the list */
1598 oidcpy(oid
, &ref
->old_oid
);
1602 struct ref
*fetch_pack(struct fetch_pack_args
*args
,
1603 int fd
[], struct child_process
*conn
,
1604 const struct ref
*ref
,
1606 struct ref
**sought
, int nr_sought
,
1607 struct oid_array
*shallow
,
1608 char **pack_lockfile
,
1609 enum protocol_version version
)
1611 struct ref
*ref_cpy
;
1612 struct shallow_info si
;
1616 nr_sought
= remove_duplicates_in_refs(sought
, nr_sought
);
1618 if (args
->no_dependents
&& !args
->filter_options
.choice
) {
1620 * The protocol does not support requesting that only the
1621 * wanted objects be sent, so approximate this by setting a
1622 * "blob:none" filter if no filter is already set. This works
1623 * for all object types: note that wanted blobs will still be
1624 * sent because they are directly specified as a "want".
1626 * NEEDSWORK: Add an option in the protocol to request that
1627 * only the wanted objects be sent, and implement it.
1629 parse_list_objects_filter(&args
->filter_options
, "blob:none");
1633 packet_flush(fd
[1]);
1634 die(_("no matching remote head"));
1636 prepare_shallow_info(&si
, shallow
);
1637 if (version
== protocol_v2
)
1638 ref_cpy
= do_fetch_pack_v2(args
, fd
, ref
, sought
, nr_sought
,
1641 ref_cpy
= do_fetch_pack(args
, fd
, ref
, sought
, nr_sought
,
1642 &si
, pack_lockfile
);
1643 reprepare_packed_git(the_repository
);
1645 if (!args
->cloning
&& args
->deepen
) {
1646 struct check_connected_options opt
= CHECK_CONNECTED_INIT
;
1647 struct ref
*iterator
= ref_cpy
;
1648 opt
.shallow_file
= alternate_shallow_file
;
1650 opt
.is_deepening_fetch
= 1;
1651 if (check_connected(iterate_ref_map
, &iterator
, &opt
)) {
1652 error(_("remote did not send all necessary objects"));
1655 rollback_lock_file(&shallow_lock
);
1658 args
->connectivity_checked
= 1;
1661 update_shallow(args
, sought
, nr_sought
, &si
);
1663 clear_shallow_info(&si
);
1667 int report_unmatched_refs(struct ref
**sought
, int nr_sought
)
1671 for (i
= 0; i
< nr_sought
; i
++) {
1674 switch (sought
[i
]->match_status
) {
1677 case REF_NOT_MATCHED
:
1678 error(_("no such remote ref %s"), sought
[i
]->name
);
1680 case REF_UNADVERTISED_NOT_ALLOWED
:
1681 error(_("Server does not allow request for unadvertised object %s"),