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 struct object_id
*oid
,
82 struct alternate_object_cache
*cache
= vcache
;
83 struct object
*obj
= parse_object(the_repository
, oid
);
85 if (!obj
|| (obj
->flags
& ALTERNATE
))
88 obj
->flags
|= ALTERNATE
;
89 ALLOC_GROW(cache
->items
, cache
->nr
+ 1, cache
->alloc
);
90 cache
->items
[cache
->nr
++] = obj
;
93 static void for_each_cached_alternate(struct fetch_negotiator
*negotiator
,
94 void (*cb
)(struct fetch_negotiator
*,
97 static int initialized
;
98 static struct alternate_object_cache cache
;
102 for_each_alternate_ref(cache_one_alternate
, &cache
);
106 for (i
= 0; i
< cache
.nr
; i
++)
107 cb(negotiator
, cache
.items
[i
]);
110 static int rev_list_insert_ref(struct fetch_negotiator
*negotiator
,
112 const struct object_id
*oid
)
114 struct object
*o
= deref_tag(the_repository
,
115 parse_object(the_repository
, oid
),
118 if (o
&& o
->type
== OBJ_COMMIT
)
119 negotiator
->add_tip(negotiator
, (struct commit
*)o
);
124 static int rev_list_insert_ref_oid(const char *refname
, const struct object_id
*oid
,
125 int flag
, void *cb_data
)
127 return rev_list_insert_ref(cb_data
, refname
, oid
);
138 static void consume_shallow_list(struct fetch_pack_args
*args
,
139 struct packet_reader
*reader
)
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.
146 while (packet_reader_read(reader
) == PACKET_READ_NORMAL
) {
147 if (starts_with(reader
->line
, "shallow "))
149 if (starts_with(reader
->line
, "unshallow "))
151 die(_("git fetch-pack: expected shallow list"));
153 if (reader
->status
!= PACKET_READ_FLUSH
)
154 die(_("git fetch-pack: expected a flush packet after shallow list"));
158 static enum ack_type
get_ack(struct packet_reader
*reader
,
159 struct object_id
*result_oid
)
164 if (packet_reader_read(reader
) != PACKET_READ_NORMAL
)
165 die(_("git fetch-pack: expected ACK/NAK, got a flush packet"));
166 len
= reader
->pktlen
;
168 if (!strcmp(reader
->line
, "NAK"))
170 if (skip_prefix(reader
->line
, "ACK ", &arg
)) {
171 if (!get_oid_hex(arg
, result_oid
)) {
173 len
-= arg
- reader
->line
;
176 if (strstr(arg
, "continue"))
178 if (strstr(arg
, "common"))
180 if (strstr(arg
, "ready"))
185 die(_("git fetch-pack: expected ACK/NAK, got '%s'"), reader
->line
);
188 static void send_request(struct fetch_pack_args
*args
,
189 int fd
, struct strbuf
*buf
)
191 if (args
->stateless_rpc
) {
192 send_sideband(fd
, -1, buf
->buf
, buf
->len
, LARGE_PACKET_MAX
);
195 write_or_die(fd
, buf
->buf
, buf
->len
);
198 static void insert_one_alternate_object(struct fetch_negotiator
*negotiator
,
201 rev_list_insert_ref(negotiator
, NULL
, &obj
->oid
);
204 #define INITIAL_FLUSH 16
205 #define PIPESAFE_FLUSH 32
206 #define LARGE_FLUSH 16384
208 static int next_flush(int stateless_rpc
, int count
)
211 if (count
< LARGE_FLUSH
)
214 count
= count
* 11 / 10;
216 if (count
< PIPESAFE_FLUSH
)
219 count
+= PIPESAFE_FLUSH
;
224 static void mark_tips(struct fetch_negotiator
*negotiator
,
225 const struct oid_array
*negotiation_tips
)
229 if (!negotiation_tips
) {
230 for_each_ref(rev_list_insert_ref_oid
, negotiator
);
234 for (i
= 0; i
< negotiation_tips
->nr
; i
++)
235 rev_list_insert_ref(negotiator
, NULL
,
236 &negotiation_tips
->oid
[i
]);
240 static int find_common(struct fetch_negotiator
*negotiator
,
241 struct fetch_pack_args
*args
,
242 int fd
[2], struct object_id
*result_oid
,
246 int count
= 0, flushes
= 0, flush_at
= INITIAL_FLUSH
, retval
;
247 const struct object_id
*oid
;
248 unsigned in_vain
= 0;
249 int got_continue
= 0;
251 struct strbuf req_buf
= STRBUF_INIT
;
252 size_t state_len
= 0;
253 struct packet_reader reader
;
255 if (args
->stateless_rpc
&& multi_ack
== 1)
256 die(_("--stateless-rpc requires multi_ack_detailed"));
258 packet_reader_init(&reader
, fd
[0], NULL
, 0,
259 PACKET_READ_CHOMP_NEWLINE
|
260 PACKET_READ_DIE_ON_ERR_PACKET
);
262 if (!args
->no_dependents
) {
263 mark_tips(negotiator
, args
->negotiation_tips
);
264 for_each_cached_alternate(negotiator
, insert_one_alternate_object
);
268 for ( ; refs
; refs
= refs
->next
) {
269 struct object_id
*remote
= &refs
->old_oid
;
270 const char *remote_hex
;
274 * If that object is complete (i.e. it is an ancestor of a
275 * local ref), we tell them we have it but do not have to
276 * tell them about its ancestors, which they already know
279 * We use lookup_object here because we are only
280 * interested in the case we *know* the object is
281 * reachable and we have already scanned it.
283 * Do this only if args->no_dependents is false (if it is true,
284 * we cannot trust the object flags).
286 if (!args
->no_dependents
&&
287 ((o
= lookup_object(the_repository
, remote
->hash
)) != NULL
) &&
288 (o
->flags
& COMPLETE
)) {
292 remote_hex
= oid_to_hex(remote
);
294 struct strbuf c
= STRBUF_INIT
;
295 if (multi_ack
== 2) strbuf_addstr(&c
, " multi_ack_detailed");
296 if (multi_ack
== 1) strbuf_addstr(&c
, " multi_ack");
297 if (no_done
) strbuf_addstr(&c
, " no-done");
298 if (use_sideband
== 2) strbuf_addstr(&c
, " side-band-64k");
299 if (use_sideband
== 1) strbuf_addstr(&c
, " side-band");
300 if (args
->deepen_relative
) strbuf_addstr(&c
, " deepen-relative");
301 if (args
->use_thin_pack
) strbuf_addstr(&c
, " thin-pack");
302 if (args
->no_progress
) strbuf_addstr(&c
, " no-progress");
303 if (args
->include_tag
) strbuf_addstr(&c
, " include-tag");
304 if (prefer_ofs_delta
) strbuf_addstr(&c
, " ofs-delta");
305 if (deepen_since_ok
) strbuf_addstr(&c
, " deepen-since");
306 if (deepen_not_ok
) strbuf_addstr(&c
, " deepen-not");
307 if (agent_supported
) strbuf_addf(&c
, " agent=%s",
308 git_user_agent_sanitized());
309 if (args
->filter_options
.choice
)
310 strbuf_addstr(&c
, " filter");
311 packet_buf_write(&req_buf
, "want %s%s\n", remote_hex
, c
.buf
);
314 packet_buf_write(&req_buf
, "want %s\n", remote_hex
);
319 strbuf_release(&req_buf
);
324 if (is_repository_shallow(the_repository
))
325 write_shallow_commits(&req_buf
, 1, NULL
);
327 packet_buf_write(&req_buf
, "deepen %d", args
->depth
);
328 if (args
->deepen_since
) {
329 timestamp_t max_age
= approxidate(args
->deepen_since
);
330 packet_buf_write(&req_buf
, "deepen-since %"PRItime
, max_age
);
332 if (args
->deepen_not
) {
334 for (i
= 0; i
< args
->deepen_not
->nr
; i
++) {
335 struct string_list_item
*s
= args
->deepen_not
->items
+ i
;
336 packet_buf_write(&req_buf
, "deepen-not %s", s
->string
);
339 if (server_supports_filtering
&& args
->filter_options
.choice
)
340 packet_buf_write(&req_buf
, "filter %s",
341 args
->filter_options
.filter_spec
);
342 packet_buf_flush(&req_buf
);
343 state_len
= req_buf
.len
;
347 struct object_id oid
;
349 send_request(args
, fd
[1], &req_buf
);
350 while (packet_reader_read(&reader
) == PACKET_READ_NORMAL
) {
351 if (skip_prefix(reader
.line
, "shallow ", &arg
)) {
352 if (get_oid_hex(arg
, &oid
))
353 die(_("invalid shallow line: %s"), reader
.line
);
354 register_shallow(the_repository
, &oid
);
357 if (skip_prefix(reader
.line
, "unshallow ", &arg
)) {
358 if (get_oid_hex(arg
, &oid
))
359 die(_("invalid unshallow line: %s"), reader
.line
);
360 if (!lookup_object(the_repository
, oid
.hash
))
361 die(_("object not found: %s"), reader
.line
);
362 /* make sure that it is parsed as shallow */
363 if (!parse_object(the_repository
, &oid
))
364 die(_("error in object: %s"), reader
.line
);
365 if (unregister_shallow(&oid
))
366 die(_("no shallow found: %s"), reader
.line
);
369 die(_("expected shallow/unshallow, got %s"), reader
.line
);
371 } else if (!args
->stateless_rpc
)
372 send_request(args
, fd
[1], &req_buf
);
374 if (!args
->stateless_rpc
) {
375 /* If we aren't using the stateless-rpc interface
376 * we don't need to retain the headers.
378 strbuf_setlen(&req_buf
, 0);
384 if (args
->no_dependents
)
386 while ((oid
= negotiator
->next(negotiator
))) {
387 packet_buf_write(&req_buf
, "have %s\n", oid_to_hex(oid
));
388 print_verbose(args
, "have %s", oid_to_hex(oid
));
390 if (flush_at
<= ++count
) {
393 packet_buf_flush(&req_buf
);
394 send_request(args
, fd
[1], &req_buf
);
395 strbuf_setlen(&req_buf
, state_len
);
397 flush_at
= next_flush(args
->stateless_rpc
, count
);
400 * We keep one window "ahead" of the other side, and
401 * will wait for an ACK only on the next one
403 if (!args
->stateless_rpc
&& count
== INITIAL_FLUSH
)
406 consume_shallow_list(args
, &reader
);
408 ack
= get_ack(&reader
, result_oid
);
410 print_verbose(args
, _("got %s %d %s"), "ack",
411 ack
, oid_to_hex(result_oid
));
421 struct commit
*commit
=
422 lookup_commit(the_repository
,
427 die(_("invalid commit %s"), oid_to_hex(result_oid
));
428 was_common
= negotiator
->ack(negotiator
, commit
);
429 if (args
->stateless_rpc
432 /* We need to replay the have for this object
433 * on the next RPC request so the peer knows
434 * it is in common with us.
436 const char *hex
= oid_to_hex(result_oid
);
437 packet_buf_write(&req_buf
, "have %s\n", hex
);
438 state_len
= req_buf
.len
;
440 * Reset in_vain because an ack
441 * for this commit has not been
445 } else if (!args
->stateless_rpc
446 || ack
!= ACK_common
)
450 if (ack
== ACK_ready
)
457 if (got_continue
&& MAX_IN_VAIN
< in_vain
) {
458 print_verbose(args
, _("giving up"));
466 if (!got_ready
|| !no_done
) {
467 packet_buf_write(&req_buf
, "done\n");
468 send_request(args
, fd
[1], &req_buf
);
470 print_verbose(args
, _("done"));
475 strbuf_release(&req_buf
);
477 if (!got_ready
|| !no_done
)
478 consume_shallow_list(args
, &reader
);
479 while (flushes
|| multi_ack
) {
480 int ack
= get_ack(&reader
, result_oid
);
482 print_verbose(args
, _("got %s (%d) %s"), "ack",
483 ack
, oid_to_hex(result_oid
));
491 /* it is no error to fetch into a completely empty repo */
492 return count
? retval
: 0;
495 static struct commit_list
*complete
;
497 static int mark_complete(const struct object_id
*oid
)
499 struct object
*o
= parse_object(the_repository
, oid
);
501 while (o
&& o
->type
== OBJ_TAG
) {
502 struct tag
*t
= (struct tag
*) o
;
504 break; /* broken repository */
505 o
->flags
|= COMPLETE
;
506 o
= parse_object(the_repository
, &t
->tagged
->oid
);
508 if (o
&& o
->type
== OBJ_COMMIT
) {
509 struct commit
*commit
= (struct commit
*)o
;
510 if (!(commit
->object
.flags
& COMPLETE
)) {
511 commit
->object
.flags
|= COMPLETE
;
512 commit_list_insert(commit
, &complete
);
518 static int mark_complete_oid(const char *refname
, const struct object_id
*oid
,
519 int flag
, void *cb_data
)
521 return mark_complete(oid
);
524 static void mark_recent_complete_commits(struct fetch_pack_args
*args
,
527 while (complete
&& cutoff
<= complete
->item
->date
) {
528 print_verbose(args
, _("Marking %s as complete"),
529 oid_to_hex(&complete
->item
->object
.oid
));
530 pop_most_recent_commit(&complete
, COMPLETE
);
534 static void add_refs_to_oidset(struct oidset
*oids
, struct ref
*refs
)
536 for (; refs
; refs
= refs
->next
)
537 oidset_insert(oids
, &refs
->old_oid
);
540 static int is_unmatched_ref(const struct ref
*ref
)
542 struct object_id oid
;
544 return ref
->match_status
== REF_NOT_MATCHED
&&
545 !parse_oid_hex(ref
->name
, &oid
, &p
) &&
547 oideq(&oid
, &ref
->old_oid
);
550 static void filter_refs(struct fetch_pack_args
*args
,
552 struct ref
**sought
, int nr_sought
)
554 struct ref
*newlist
= NULL
;
555 struct ref
**newtail
= &newlist
;
556 struct ref
*unmatched
= NULL
;
557 struct ref
*ref
, *next
;
558 struct oidset tip_oids
= OIDSET_INIT
;
560 int strict
= !(allow_unadvertised_object_request
&
561 (ALLOW_TIP_SHA1
| ALLOW_REACHABLE_SHA1
));
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
;
599 for (i
= 0; i
< nr_sought
; i
++) {
601 if (!is_unmatched_ref(ref
))
604 add_refs_to_oidset(&tip_oids
, unmatched
);
605 add_refs_to_oidset(&tip_oids
, newlist
);
610 /* Append unmatched requests to the list */
611 for (i
= 0; i
< nr_sought
; i
++) {
613 if (!is_unmatched_ref(ref
))
616 if (!strict
|| oidset_contains(&tip_oids
, &ref
->old_oid
)) {
617 ref
->match_status
= REF_MATCHED
;
618 *newtail
= copy_ref(ref
);
619 newtail
= &(*newtail
)->next
;
621 ref
->match_status
= REF_UNADVERTISED_NOT_ALLOWED
;
625 oidset_clear(&tip_oids
);
626 for (ref
= unmatched
; ref
; ref
= next
) {
634 static void mark_alternate_complete(struct fetch_negotiator
*unused
,
637 mark_complete(&obj
->oid
);
640 struct loose_object_iter
{
641 struct oidset
*loose_object_set
;
646 * Mark recent commits available locally and reachable from a local ref as
647 * COMPLETE. If args->no_dependents is false, also mark COMPLETE remote refs as
648 * COMMON_REF (otherwise, we are not planning to participate in negotiation, and
649 * thus do not need COMMON_REF marks).
651 * The cutoff time for recency is determined by this heuristic: it is the
652 * earliest commit time of the objects in refs that are commits and that we know
653 * the commit time of.
655 static void mark_complete_and_common_ref(struct fetch_negotiator
*negotiator
,
656 struct fetch_pack_args
*args
,
660 int old_save_commit_buffer
= save_commit_buffer
;
661 timestamp_t cutoff
= 0;
663 save_commit_buffer
= 0;
665 for (ref
= *refs
; ref
; ref
= ref
->next
) {
668 if (!has_object_file_with_flags(&ref
->old_oid
,
671 o
= parse_object(the_repository
, &ref
->old_oid
);
675 /* We already have it -- which may mean that we were
676 * in sync with the other side at some time after
677 * that (it is OK if we guess wrong here).
679 if (o
->type
== OBJ_COMMIT
) {
680 struct commit
*commit
= (struct commit
*)o
;
681 if (!cutoff
|| cutoff
< commit
->date
)
682 cutoff
= commit
->date
;
687 for_each_ref(mark_complete_oid
, NULL
);
688 for_each_cached_alternate(NULL
, mark_alternate_complete
);
689 commit_list_sort_by_date(&complete
);
691 mark_recent_complete_commits(args
, cutoff
);
695 * Mark all complete remote refs as common refs.
696 * Don't mark them common yet; the server has to be told so first.
698 for (ref
= *refs
; ref
; ref
= ref
->next
) {
699 struct object
*o
= deref_tag(the_repository
,
700 lookup_object(the_repository
,
704 if (!o
|| o
->type
!= OBJ_COMMIT
|| !(o
->flags
& COMPLETE
))
707 negotiator
->known_common(negotiator
,
711 save_commit_buffer
= old_save_commit_buffer
;
715 * Returns 1 if every object pointed to by the given remote refs is available
716 * locally and reachable from a local ref, and 0 otherwise.
718 static int everything_local(struct fetch_pack_args
*args
,
724 for (retval
= 1, ref
= *refs
; ref
; ref
= ref
->next
) {
725 const struct object_id
*remote
= &ref
->old_oid
;
728 o
= lookup_object(the_repository
, remote
->hash
);
729 if (!o
|| !(o
->flags
& COMPLETE
)) {
731 print_verbose(args
, "want %s (%s)", oid_to_hex(remote
),
735 print_verbose(args
, _("already have %s (%s)"), oid_to_hex(remote
),
742 static int sideband_demux(int in
, int out
, void *data
)
747 ret
= recv_sideband("fetch-pack", xd
[0], out
);
752 static int get_pack(struct fetch_pack_args
*args
,
753 int xd
[2], char **pack_lockfile
)
756 int do_keep
= args
->keep_pack
;
757 const char *cmd_name
;
758 struct pack_header header
;
760 struct child_process cmd
= CHILD_PROCESS_INIT
;
763 memset(&demux
, 0, sizeof(demux
));
765 /* xd[] is talking with upload-pack; subprocess reads from
766 * xd[0], spits out band#2 to stderr, and feeds us band#1
767 * through demux->out.
769 demux
.proc
= sideband_demux
;
772 demux
.isolate_sigpipe
= 1;
773 if (start_async(&demux
))
774 die(_("fetch-pack: unable to fork off sideband demultiplexer"));
779 if (!args
->keep_pack
&& unpack_limit
) {
781 if (read_pack_header(demux
.out
, &header
))
782 die(_("protocol error: bad pack header"));
784 if (ntohl(header
.hdr_entries
) < unpack_limit
)
790 if (alternate_shallow_file
) {
791 argv_array_push(&cmd
.args
, "--shallow-file");
792 argv_array_push(&cmd
.args
, alternate_shallow_file
);
795 if (do_keep
|| args
->from_promisor
) {
798 cmd_name
= "index-pack";
799 argv_array_push(&cmd
.args
, cmd_name
);
800 argv_array_push(&cmd
.args
, "--stdin");
801 if (!args
->quiet
&& !args
->no_progress
)
802 argv_array_push(&cmd
.args
, "-v");
803 if (args
->use_thin_pack
)
804 argv_array_push(&cmd
.args
, "--fix-thin");
805 if (do_keep
&& (args
->lock_pack
|| unpack_limit
)) {
806 char hostname
[HOST_NAME_MAX
+ 1];
807 if (xgethostname(hostname
, sizeof(hostname
)))
808 xsnprintf(hostname
, sizeof(hostname
), "localhost");
809 argv_array_pushf(&cmd
.args
,
810 "--keep=fetch-pack %"PRIuMAX
" on %s",
811 (uintmax_t)getpid(), hostname
);
813 if (args
->check_self_contained_and_connected
)
814 argv_array_push(&cmd
.args
, "--check-self-contained-and-connected");
815 if (args
->from_promisor
)
816 argv_array_push(&cmd
.args
, "--promisor");
819 cmd_name
= "unpack-objects";
820 argv_array_push(&cmd
.args
, cmd_name
);
821 if (args
->quiet
|| args
->no_progress
)
822 argv_array_push(&cmd
.args
, "-q");
823 args
->check_self_contained_and_connected
= 0;
827 argv_array_pushf(&cmd
.args
, "--pack_header=%"PRIu32
",%"PRIu32
,
828 ntohl(header
.hdr_version
),
829 ntohl(header
.hdr_entries
));
830 if (fetch_fsck_objects
>= 0
832 : transfer_fsck_objects
>= 0
833 ? transfer_fsck_objects
835 if (args
->from_promisor
)
837 * We cannot use --strict in index-pack because it
838 * checks both broken objects and links, but we only
839 * want to check for broken objects.
841 argv_array_push(&cmd
.args
, "--fsck-objects");
843 argv_array_pushf(&cmd
.args
, "--strict%s",
849 if (start_command(&cmd
))
850 die(_("fetch-pack: unable to fork off %s"), cmd_name
);
851 if (do_keep
&& pack_lockfile
) {
852 *pack_lockfile
= index_pack_lockfile(cmd
.out
);
857 /* Closed by start_command() */
860 ret
= finish_command(&cmd
);
861 if (!ret
|| (args
->check_self_contained_and_connected
&& ret
== 1))
862 args
->self_contained_and_connected
=
863 args
->check_self_contained_and_connected
&&
866 die(_("%s failed"), cmd_name
);
867 if (use_sideband
&& finish_async(&demux
))
868 die(_("error in sideband demultiplexer"));
872 static int cmp_ref_by_name(const void *a_
, const void *b_
)
874 const struct ref
*a
= *((const struct ref
**)a_
);
875 const struct ref
*b
= *((const struct ref
**)b_
);
876 return strcmp(a
->name
, b
->name
);
879 static struct ref
*do_fetch_pack(struct fetch_pack_args
*args
,
881 const struct ref
*orig_ref
,
882 struct ref
**sought
, int nr_sought
,
883 struct shallow_info
*si
,
884 char **pack_lockfile
)
886 struct ref
*ref
= copy_ref_list(orig_ref
);
887 struct object_id oid
;
888 const char *agent_feature
;
890 struct fetch_negotiator negotiator
;
891 fetch_negotiator_init(&negotiator
, negotiation_algorithm
);
893 sort_ref_list(&ref
, ref_compare_name
);
894 QSORT(sought
, nr_sought
, cmp_ref_by_name
);
896 if ((args
->depth
> 0 || is_repository_shallow(the_repository
)) && !server_supports("shallow"))
897 die(_("Server does not support shallow clients"));
898 if (args
->depth
> 0 || args
->deepen_since
|| args
->deepen_not
)
900 if (server_supports("multi_ack_detailed")) {
901 print_verbose(args
, _("Server supports multi_ack_detailed"));
903 if (server_supports("no-done")) {
904 print_verbose(args
, _("Server supports no-done"));
905 if (args
->stateless_rpc
)
909 else if (server_supports("multi_ack")) {
910 print_verbose(args
, _("Server supports multi_ack"));
913 if (server_supports("side-band-64k")) {
914 print_verbose(args
, _("Server supports side-band-64k"));
917 else if (server_supports("side-band")) {
918 print_verbose(args
, _("Server supports side-band"));
921 if (server_supports("allow-tip-sha1-in-want")) {
922 print_verbose(args
, _("Server supports allow-tip-sha1-in-want"));
923 allow_unadvertised_object_request
|= ALLOW_TIP_SHA1
;
925 if (server_supports("allow-reachable-sha1-in-want")) {
926 print_verbose(args
, _("Server supports allow-reachable-sha1-in-want"));
927 allow_unadvertised_object_request
|= ALLOW_REACHABLE_SHA1
;
929 if (!server_supports("thin-pack"))
930 args
->use_thin_pack
= 0;
931 if (!server_supports("no-progress"))
932 args
->no_progress
= 0;
933 if (!server_supports("include-tag"))
934 args
->include_tag
= 0;
935 if (server_supports("ofs-delta"))
936 print_verbose(args
, _("Server supports ofs-delta"));
938 prefer_ofs_delta
= 0;
940 if (server_supports("filter")) {
941 server_supports_filtering
= 1;
942 print_verbose(args
, _("Server supports filter"));
943 } else if (args
->filter_options
.choice
) {
944 warning("filtering not recognized by server, ignoring");
947 if ((agent_feature
= server_feature_value("agent", &agent_len
))) {
950 print_verbose(args
, _("Server version is %.*s"),
951 agent_len
, agent_feature
);
953 if (server_supports("deepen-since"))
955 else if (args
->deepen_since
)
956 die(_("Server does not support --shallow-since"));
957 if (server_supports("deepen-not"))
959 else if (args
->deepen_not
)
960 die(_("Server does not support --shallow-exclude"));
961 if (!server_supports("deepen-relative") && args
->deepen_relative
)
962 die(_("Server does not support --deepen"));
964 if (!args
->no_dependents
) {
965 mark_complete_and_common_ref(&negotiator
, args
, &ref
);
966 filter_refs(args
, &ref
, sought
, nr_sought
);
967 if (everything_local(args
, &ref
)) {
972 filter_refs(args
, &ref
, sought
, nr_sought
);
974 if (find_common(&negotiator
, args
, fd
, &oid
, ref
) < 0)
975 if (!args
->keep_pack
)
976 /* When cloning, it is not unusual to have
979 warning(_("no common commits"));
981 if (args
->stateless_rpc
)
984 setup_alternate_shallow(&shallow_lock
, &alternate_shallow_file
,
986 else if (si
->nr_ours
|| si
->nr_theirs
)
987 alternate_shallow_file
= setup_temporary_shallow(si
->shallow
);
989 alternate_shallow_file
= NULL
;
990 if (get_pack(args
, fd
, pack_lockfile
))
991 die(_("git fetch-pack: fetch failed."));
994 negotiator
.release(&negotiator
);
998 static void add_shallow_requests(struct strbuf
*req_buf
,
999 const struct fetch_pack_args
*args
)
1001 if (is_repository_shallow(the_repository
))
1002 write_shallow_commits(req_buf
, 1, NULL
);
1003 if (args
->depth
> 0)
1004 packet_buf_write(req_buf
, "deepen %d", args
->depth
);
1005 if (args
->deepen_since
) {
1006 timestamp_t max_age
= approxidate(args
->deepen_since
);
1007 packet_buf_write(req_buf
, "deepen-since %"PRItime
, max_age
);
1009 if (args
->deepen_not
) {
1011 for (i
= 0; i
< args
->deepen_not
->nr
; i
++) {
1012 struct string_list_item
*s
= args
->deepen_not
->items
+ i
;
1013 packet_buf_write(req_buf
, "deepen-not %s", s
->string
);
1018 static void add_wants(int no_dependents
, const struct ref
*wants
, struct strbuf
*req_buf
)
1020 int use_ref_in_want
= server_supports_feature("fetch", "ref-in-want", 0);
1022 for ( ; wants
; wants
= wants
->next
) {
1023 const struct object_id
*remote
= &wants
->old_oid
;
1027 * If that object is complete (i.e. it is an ancestor of a
1028 * local ref), we tell them we have it but do not have to
1029 * tell them about its ancestors, which they already know
1032 * We use lookup_object here because we are only
1033 * interested in the case we *know* the object is
1034 * reachable and we have already scanned it.
1036 * Do this only if args->no_dependents is false (if it is true,
1037 * we cannot trust the object flags).
1039 if (!no_dependents
&&
1040 ((o
= lookup_object(the_repository
, remote
->hash
)) != NULL
) &&
1041 (o
->flags
& COMPLETE
)) {
1045 if (!use_ref_in_want
|| wants
->exact_oid
)
1046 packet_buf_write(req_buf
, "want %s\n", oid_to_hex(remote
));
1048 packet_buf_write(req_buf
, "want-ref %s\n", wants
->name
);
1052 static void add_common(struct strbuf
*req_buf
, struct oidset
*common
)
1054 struct oidset_iter iter
;
1055 const struct object_id
*oid
;
1056 oidset_iter_init(common
, &iter
);
1058 while ((oid
= oidset_iter_next(&iter
))) {
1059 packet_buf_write(req_buf
, "have %s\n", oid_to_hex(oid
));
1063 static int add_haves(struct fetch_negotiator
*negotiator
,
1064 struct strbuf
*req_buf
,
1065 int *haves_to_send
, int *in_vain
)
1068 int haves_added
= 0;
1069 const struct object_id
*oid
;
1071 while ((oid
= negotiator
->next(negotiator
))) {
1072 packet_buf_write(req_buf
, "have %s\n", oid_to_hex(oid
));
1073 if (++haves_added
>= *haves_to_send
)
1077 *in_vain
+= haves_added
;
1078 if (!haves_added
|| *in_vain
>= MAX_IN_VAIN
) {
1080 packet_buf_write(req_buf
, "done\n");
1084 /* Increase haves to send on next round */
1085 *haves_to_send
= next_flush(1, *haves_to_send
);
1090 static int send_fetch_request(struct fetch_negotiator
*negotiator
, int fd_out
,
1091 const struct fetch_pack_args
*args
,
1092 const struct ref
*wants
, struct oidset
*common
,
1093 int *haves_to_send
, int *in_vain
)
1096 struct strbuf req_buf
= STRBUF_INIT
;
1098 if (server_supports_v2("fetch", 1))
1099 packet_buf_write(&req_buf
, "command=fetch");
1100 if (server_supports_v2("agent", 0))
1101 packet_buf_write(&req_buf
, "agent=%s", git_user_agent_sanitized());
1102 if (args
->server_options
&& args
->server_options
->nr
&&
1103 server_supports_v2("server-option", 1)) {
1105 for (i
= 0; i
< args
->server_options
->nr
; i
++)
1106 packet_write_fmt(fd_out
, "server-option=%s",
1107 args
->server_options
->items
[i
].string
);
1110 packet_buf_delim(&req_buf
);
1111 if (args
->use_thin_pack
)
1112 packet_buf_write(&req_buf
, "thin-pack");
1113 if (args
->no_progress
)
1114 packet_buf_write(&req_buf
, "no-progress");
1115 if (args
->include_tag
)
1116 packet_buf_write(&req_buf
, "include-tag");
1117 if (prefer_ofs_delta
)
1118 packet_buf_write(&req_buf
, "ofs-delta");
1120 /* Add shallow-info and deepen request */
1121 if (server_supports_feature("fetch", "shallow", 0))
1122 add_shallow_requests(&req_buf
, args
);
1123 else if (is_repository_shallow(the_repository
) || args
->deepen
)
1124 die(_("Server does not support shallow requests"));
1127 if (server_supports_feature("fetch", "filter", 0) &&
1128 args
->filter_options
.choice
) {
1129 print_verbose(args
, _("Server supports filter"));
1130 packet_buf_write(&req_buf
, "filter %s",
1131 args
->filter_options
.filter_spec
);
1132 } else if (args
->filter_options
.choice
) {
1133 warning("filtering not recognized by server, ignoring");
1137 add_wants(args
->no_dependents
, wants
, &req_buf
);
1139 if (args
->no_dependents
) {
1140 packet_buf_write(&req_buf
, "done");
1143 /* Add all of the common commits we've found in previous rounds */
1144 add_common(&req_buf
, common
);
1146 /* Add initial haves */
1147 ret
= add_haves(negotiator
, &req_buf
, haves_to_send
, in_vain
);
1151 packet_buf_flush(&req_buf
);
1152 write_or_die(fd_out
, req_buf
.buf
, req_buf
.len
);
1154 strbuf_release(&req_buf
);
1159 * Processes a section header in a server's response and checks if it matches
1160 * `section`. If the value of `peek` is 1, the header line will be peeked (and
1161 * not consumed); if 0, the line will be consumed and the function will die if
1162 * the section header doesn't match what was expected.
1164 static int process_section_header(struct packet_reader
*reader
,
1165 const char *section
, int peek
)
1169 if (packet_reader_peek(reader
) != PACKET_READ_NORMAL
)
1170 die(_("error reading section header '%s'"), section
);
1172 ret
= !strcmp(reader
->line
, section
);
1176 die(_("expected '%s', received '%s'"),
1177 section
, reader
->line
);
1178 packet_reader_read(reader
);
1184 static int process_acks(struct fetch_negotiator
*negotiator
,
1185 struct packet_reader
*reader
,
1186 struct oidset
*common
)
1189 int received_ready
= 0;
1190 int received_ack
= 0;
1192 process_section_header(reader
, "acknowledgments", 0);
1193 while (packet_reader_read(reader
) == PACKET_READ_NORMAL
) {
1196 if (!strcmp(reader
->line
, "NAK"))
1199 if (skip_prefix(reader
->line
, "ACK ", &arg
)) {
1200 struct object_id oid
;
1201 if (!get_oid_hex(arg
, &oid
)) {
1202 struct commit
*commit
;
1203 oidset_insert(common
, &oid
);
1204 commit
= lookup_commit(the_repository
, &oid
);
1205 negotiator
->ack(negotiator
, commit
);
1210 if (!strcmp(reader
->line
, "ready")) {
1215 die(_("unexpected acknowledgment line: '%s'"), reader
->line
);
1218 if (reader
->status
!= PACKET_READ_FLUSH
&&
1219 reader
->status
!= PACKET_READ_DELIM
)
1220 die(_("error processing acks: %d"), reader
->status
);
1223 * If an "acknowledgments" section is sent, a packfile is sent if and
1224 * only if "ready" was sent in this section. The other sections
1225 * ("shallow-info" and "wanted-refs") are sent only if a packfile is
1226 * sent. Therefore, a DELIM is expected if "ready" is sent, and a FLUSH
1229 if (received_ready
&& reader
->status
!= PACKET_READ_DELIM
)
1230 die(_("expected packfile to be sent after 'ready'"));
1231 if (!received_ready
&& reader
->status
!= PACKET_READ_FLUSH
)
1232 die(_("expected no other sections to be sent after no 'ready'"));
1234 /* return 0 if no common, 1 if there are common, or 2 if ready */
1235 return received_ready
? 2 : (received_ack
? 1 : 0);
1238 static void receive_shallow_info(struct fetch_pack_args
*args
,
1239 struct packet_reader
*reader
)
1241 process_section_header(reader
, "shallow-info", 0);
1242 while (packet_reader_read(reader
) == PACKET_READ_NORMAL
) {
1244 struct object_id oid
;
1246 if (skip_prefix(reader
->line
, "shallow ", &arg
)) {
1247 if (get_oid_hex(arg
, &oid
))
1248 die(_("invalid shallow line: %s"), reader
->line
);
1249 register_shallow(the_repository
, &oid
);
1252 if (skip_prefix(reader
->line
, "unshallow ", &arg
)) {
1253 if (get_oid_hex(arg
, &oid
))
1254 die(_("invalid unshallow line: %s"), reader
->line
);
1255 if (!lookup_object(the_repository
, oid
.hash
))
1256 die(_("object not found: %s"), reader
->line
);
1257 /* make sure that it is parsed as shallow */
1258 if (!parse_object(the_repository
, &oid
))
1259 die(_("error in object: %s"), reader
->line
);
1260 if (unregister_shallow(&oid
))
1261 die(_("no shallow found: %s"), reader
->line
);
1264 die(_("expected shallow/unshallow, got %s"), reader
->line
);
1267 if (reader
->status
!= PACKET_READ_FLUSH
&&
1268 reader
->status
!= PACKET_READ_DELIM
)
1269 die(_("error processing shallow info: %d"), reader
->status
);
1271 setup_alternate_shallow(&shallow_lock
, &alternate_shallow_file
, NULL
);
1275 static void receive_wanted_refs(struct packet_reader
*reader
,
1276 struct ref
**sought
, int nr_sought
)
1278 process_section_header(reader
, "wanted-refs", 0);
1279 while (packet_reader_read(reader
) == PACKET_READ_NORMAL
) {
1280 struct object_id oid
;
1284 if (parse_oid_hex(reader
->line
, &oid
, &end
) || *end
++ != ' ')
1285 die(_("expected wanted-ref, got '%s'"), reader
->line
);
1287 for (i
= 0; i
< nr_sought
; i
++) {
1288 if (!strcmp(end
, sought
[i
]->name
)) {
1289 oidcpy(&sought
[i
]->old_oid
, &oid
);
1295 die(_("unexpected wanted-ref: '%s'"), reader
->line
);
1298 if (reader
->status
!= PACKET_READ_DELIM
)
1299 die(_("error processing wanted refs: %d"), reader
->status
);
1303 FETCH_CHECK_LOCAL
= 0,
1310 static struct ref
*do_fetch_pack_v2(struct fetch_pack_args
*args
,
1312 const struct ref
*orig_ref
,
1313 struct ref
**sought
, int nr_sought
,
1314 char **pack_lockfile
)
1316 struct ref
*ref
= copy_ref_list(orig_ref
);
1317 enum fetch_state state
= FETCH_CHECK_LOCAL
;
1318 struct oidset common
= OIDSET_INIT
;
1319 struct packet_reader reader
;
1321 int haves_to_send
= INITIAL_FLUSH
;
1322 struct fetch_negotiator negotiator
;
1323 fetch_negotiator_init(&negotiator
, negotiation_algorithm
);
1324 packet_reader_init(&reader
, fd
[0], NULL
, 0,
1325 PACKET_READ_CHOMP_NEWLINE
|
1326 PACKET_READ_DIE_ON_ERR_PACKET
);
1328 while (state
!= FETCH_DONE
) {
1330 case FETCH_CHECK_LOCAL
:
1331 sort_ref_list(&ref
, ref_compare_name
);
1332 QSORT(sought
, nr_sought
, cmp_ref_by_name
);
1334 /* v2 supports these by default */
1335 allow_unadvertised_object_request
|= ALLOW_REACHABLE_SHA1
;
1337 if (args
->depth
> 0 || args
->deepen_since
|| args
->deepen_not
)
1340 /* Filter 'ref' by 'sought' and those that aren't local */
1341 if (!args
->no_dependents
) {
1342 mark_complete_and_common_ref(&negotiator
, args
, &ref
);
1343 filter_refs(args
, &ref
, sought
, nr_sought
);
1344 if (everything_local(args
, &ref
))
1347 state
= FETCH_SEND_REQUEST
;
1349 mark_tips(&negotiator
, args
->negotiation_tips
);
1350 for_each_cached_alternate(&negotiator
,
1351 insert_one_alternate_object
);
1353 filter_refs(args
, &ref
, sought
, nr_sought
);
1354 state
= FETCH_SEND_REQUEST
;
1357 case FETCH_SEND_REQUEST
:
1358 if (send_fetch_request(&negotiator
, fd
[1], args
, ref
,
1360 &haves_to_send
, &in_vain
))
1361 state
= FETCH_GET_PACK
;
1363 state
= FETCH_PROCESS_ACKS
;
1365 case FETCH_PROCESS_ACKS
:
1366 /* Process ACKs/NAKs */
1367 switch (process_acks(&negotiator
, &reader
, &common
)) {
1369 state
= FETCH_GET_PACK
;
1375 state
= FETCH_SEND_REQUEST
;
1379 case FETCH_GET_PACK
:
1380 /* Check for shallow-info section */
1381 if (process_section_header(&reader
, "shallow-info", 1))
1382 receive_shallow_info(args
, &reader
);
1384 if (process_section_header(&reader
, "wanted-refs", 1))
1385 receive_wanted_refs(&reader
, sought
, nr_sought
);
1388 process_section_header(&reader
, "packfile", 0);
1389 if (get_pack(args
, fd
, pack_lockfile
))
1390 die(_("git fetch-pack: fetch failed."));
1399 negotiator
.release(&negotiator
);
1400 oidset_clear(&common
);
1404 static int fetch_pack_config_cb(const char *var
, const char *value
, void *cb
)
1406 if (strcmp(var
, "fetch.fsck.skiplist") == 0) {
1409 if (git_config_pathname(&path
, var
, value
))
1411 strbuf_addf(&fsck_msg_types
, "%cskiplist=%s",
1412 fsck_msg_types
.len
? ',' : '=', path
);
1417 if (skip_prefix(var
, "fetch.fsck.", &var
)) {
1418 if (is_valid_msg_type(var
, value
))
1419 strbuf_addf(&fsck_msg_types
, "%c%s=%s",
1420 fsck_msg_types
.len
? ',' : '=', var
, value
);
1422 warning("Skipping unknown msg id '%s'", var
);
1426 return git_default_config(var
, value
, cb
);
1429 static void fetch_pack_config(void)
1431 git_config_get_int("fetch.unpacklimit", &fetch_unpack_limit
);
1432 git_config_get_int("transfer.unpacklimit", &transfer_unpack_limit
);
1433 git_config_get_bool("repack.usedeltabaseoffset", &prefer_ofs_delta
);
1434 git_config_get_bool("fetch.fsckobjects", &fetch_fsck_objects
);
1435 git_config_get_bool("transfer.fsckobjects", &transfer_fsck_objects
);
1436 git_config_get_string("fetch.negotiationalgorithm",
1437 &negotiation_algorithm
);
1439 git_config(fetch_pack_config_cb
, NULL
);
1442 static void fetch_pack_setup(void)
1444 static int did_setup
;
1447 fetch_pack_config();
1448 if (0 <= transfer_unpack_limit
)
1449 unpack_limit
= transfer_unpack_limit
;
1450 else if (0 <= fetch_unpack_limit
)
1451 unpack_limit
= fetch_unpack_limit
;
1455 static int remove_duplicates_in_refs(struct ref
**ref
, int nr
)
1457 struct string_list names
= STRING_LIST_INIT_NODUP
;
1460 for (src
= dst
= 0; src
< nr
; src
++) {
1461 struct string_list_item
*item
;
1462 item
= string_list_insert(&names
, ref
[src
]->name
);
1464 continue; /* already have it */
1465 item
->util
= ref
[src
];
1467 ref
[dst
] = ref
[src
];
1470 for (src
= dst
; src
< nr
; src
++)
1472 string_list_clear(&names
, 0);
1476 static void update_shallow(struct fetch_pack_args
*args
,
1477 struct ref
**sought
, int nr_sought
,
1478 struct shallow_info
*si
)
1480 struct oid_array ref
= OID_ARRAY_INIT
;
1484 if (args
->deepen
&& alternate_shallow_file
) {
1485 if (*alternate_shallow_file
== '\0') { /* --unshallow */
1486 unlink_or_warn(git_path_shallow(the_repository
));
1487 rollback_lock_file(&shallow_lock
);
1489 commit_lock_file(&shallow_lock
);
1493 if (!si
->shallow
|| !si
->shallow
->nr
)
1496 if (args
->cloning
) {
1498 * remote is shallow, but this is a clone, there are
1499 * no objects in repo to worry about. Accept any
1500 * shallow points that exist in the pack (iow in repo
1501 * after get_pack() and reprepare_packed_git())
1503 struct oid_array extra
= OID_ARRAY_INIT
;
1504 struct object_id
*oid
= si
->shallow
->oid
;
1505 for (i
= 0; i
< si
->shallow
->nr
; i
++)
1506 if (has_object_file(&oid
[i
]))
1507 oid_array_append(&extra
, &oid
[i
]);
1509 setup_alternate_shallow(&shallow_lock
,
1510 &alternate_shallow_file
,
1512 commit_lock_file(&shallow_lock
);
1514 oid_array_clear(&extra
);
1518 if (!si
->nr_ours
&& !si
->nr_theirs
)
1521 remove_nonexistent_theirs_shallow(si
);
1522 if (!si
->nr_ours
&& !si
->nr_theirs
)
1524 for (i
= 0; i
< nr_sought
; i
++)
1525 oid_array_append(&ref
, &sought
[i
]->old_oid
);
1528 if (args
->update_shallow
) {
1530 * remote is also shallow, .git/shallow may be updated
1531 * so all refs can be accepted. Make sure we only add
1532 * shallow roots that are actually reachable from new
1535 struct oid_array extra
= OID_ARRAY_INIT
;
1536 struct object_id
*oid
= si
->shallow
->oid
;
1537 assign_shallow_commits_to_refs(si
, NULL
, NULL
);
1538 if (!si
->nr_ours
&& !si
->nr_theirs
) {
1539 oid_array_clear(&ref
);
1542 for (i
= 0; i
< si
->nr_ours
; i
++)
1543 oid_array_append(&extra
, &oid
[si
->ours
[i
]]);
1544 for (i
= 0; i
< si
->nr_theirs
; i
++)
1545 oid_array_append(&extra
, &oid
[si
->theirs
[i
]]);
1546 setup_alternate_shallow(&shallow_lock
,
1547 &alternate_shallow_file
,
1549 commit_lock_file(&shallow_lock
);
1550 oid_array_clear(&extra
);
1551 oid_array_clear(&ref
);
1556 * remote is also shallow, check what ref is safe to update
1557 * without updating .git/shallow
1559 status
= xcalloc(nr_sought
, sizeof(*status
));
1560 assign_shallow_commits_to_refs(si
, NULL
, status
);
1561 if (si
->nr_ours
|| si
->nr_theirs
) {
1562 for (i
= 0; i
< nr_sought
; i
++)
1564 sought
[i
]->status
= REF_STATUS_REJECT_SHALLOW
;
1567 oid_array_clear(&ref
);
1570 static int iterate_ref_map(void *cb_data
, struct object_id
*oid
)
1572 struct ref
**rm
= cb_data
;
1573 struct ref
*ref
= *rm
;
1576 return -1; /* end of the list */
1578 oidcpy(oid
, &ref
->old_oid
);
1582 struct ref
*fetch_pack(struct fetch_pack_args
*args
,
1583 int fd
[], struct child_process
*conn
,
1584 const struct ref
*ref
,
1586 struct ref
**sought
, int nr_sought
,
1587 struct oid_array
*shallow
,
1588 char **pack_lockfile
,
1589 enum protocol_version version
)
1591 struct ref
*ref_cpy
;
1592 struct shallow_info si
;
1596 nr_sought
= remove_duplicates_in_refs(sought
, nr_sought
);
1598 if (args
->no_dependents
&& !args
->filter_options
.choice
) {
1600 * The protocol does not support requesting that only the
1601 * wanted objects be sent, so approximate this by setting a
1602 * "blob:none" filter if no filter is already set. This works
1603 * for all object types: note that wanted blobs will still be
1604 * sent because they are directly specified as a "want".
1606 * NEEDSWORK: Add an option in the protocol to request that
1607 * only the wanted objects be sent, and implement it.
1609 parse_list_objects_filter(&args
->filter_options
, "blob:none");
1612 if (version
!= protocol_v2
&& !ref
) {
1613 packet_flush(fd
[1]);
1614 die(_("no matching remote head"));
1616 prepare_shallow_info(&si
, shallow
);
1617 if (version
== protocol_v2
)
1618 ref_cpy
= do_fetch_pack_v2(args
, fd
, ref
, sought
, nr_sought
,
1621 ref_cpy
= do_fetch_pack(args
, fd
, ref
, sought
, nr_sought
,
1622 &si
, pack_lockfile
);
1623 reprepare_packed_git(the_repository
);
1625 if (!args
->cloning
&& args
->deepen
) {
1626 struct check_connected_options opt
= CHECK_CONNECTED_INIT
;
1627 struct ref
*iterator
= ref_cpy
;
1628 opt
.shallow_file
= alternate_shallow_file
;
1630 opt
.is_deepening_fetch
= 1;
1631 if (check_connected(iterate_ref_map
, &iterator
, &opt
)) {
1632 error(_("remote did not send all necessary objects"));
1635 rollback_lock_file(&shallow_lock
);
1638 args
->connectivity_checked
= 1;
1641 update_shallow(args
, sought
, nr_sought
, &si
);
1643 clear_shallow_info(&si
);
1647 int report_unmatched_refs(struct ref
**sought
, int nr_sought
)
1651 for (i
= 0; i
< nr_sought
; i
++) {
1654 switch (sought
[i
]->match_status
) {
1657 case REF_NOT_MATCHED
:
1658 error(_("no such remote ref %s"), sought
[i
]->name
);
1660 case REF_UNADVERTISED_NOT_ALLOWED
:
1661 error(_("Server does not allow request for unadvertised object %s"),