2 #include "repository.h"
9 #include "run-command.h"
16 #include "string-list.h"
17 #include "oid-array.h"
18 #include "connected.h"
22 #include "gpg-interface.h"
25 #include "tmp-objdir.h"
28 #include "object-store.h"
30 #include "commit-reach.h"
34 static const char * const receive_pack_usage
[] = {
35 N_("git receive-pack <git-dir>"),
47 static int deny_deletes
;
48 static int deny_non_fast_forwards
;
49 static enum deny_action deny_current_branch
= DENY_UNCONFIGURED
;
50 static enum deny_action deny_delete_current
= DENY_UNCONFIGURED
;
51 static int receive_fsck_objects
= -1;
52 static int transfer_fsck_objects
= -1;
53 static struct strbuf fsck_msg_types
= STRBUF_INIT
;
54 static int receive_unpack_limit
= -1;
55 static int transfer_unpack_limit
= -1;
56 static int advertise_atomic_push
= 1;
57 static int advertise_push_options
;
58 static int advertise_sid
;
59 static int unpack_limit
= 100;
60 static off_t max_input_size
;
61 static int report_status
;
62 static int report_status_v2
;
63 static int use_sideband
;
64 static int use_atomic
;
65 static int use_push_options
;
67 static int prefer_ofs_delta
= 1;
68 static int auto_update_server_info
;
69 static int auto_gc
= 1;
70 static int reject_thin
;
71 static int stateless_rpc
;
72 static const char *service_dir
;
73 static const char *head_name
;
74 static void *head_name_to_free
;
75 static int sent_capabilities
;
76 static int shallow_update
;
77 static const char *alt_shallow_file
;
78 static struct strbuf push_cert
= STRBUF_INIT
;
79 static struct object_id push_cert_oid
;
80 static struct signature_check sigcheck
;
81 static const char *push_cert_nonce
;
82 static const char *cert_nonce_seed
;
84 static const char *NONCE_UNSOLICITED
= "UNSOLICITED";
85 static const char *NONCE_BAD
= "BAD";
86 static const char *NONCE_MISSING
= "MISSING";
87 static const char *NONCE_OK
= "OK";
88 static const char *NONCE_SLOP
= "SLOP";
89 static const char *nonce_status
;
90 static long nonce_stamp_slop
;
91 static timestamp_t nonce_stamp_slop_limit
;
92 static struct ref_transaction
*transaction
;
99 static int keepalive_in_sec
= 5;
101 static struct tmp_objdir
*tmp_objdir
;
103 static struct proc_receive_ref
{
104 unsigned int want_add
:1,
109 struct proc_receive_ref
*next
;
112 static void proc_receive_ref_append(const char *prefix
);
114 static enum deny_action
parse_deny_action(const char *var
, const char *value
)
117 if (!strcasecmp(value
, "ignore"))
119 if (!strcasecmp(value
, "warn"))
121 if (!strcasecmp(value
, "refuse"))
123 if (!strcasecmp(value
, "updateinstead"))
124 return DENY_UPDATE_INSTEAD
;
126 if (git_config_bool(var
, value
))
131 static int receive_pack_config(const char *var
, const char *value
, void *cb
)
133 int status
= parse_hide_refs_config(var
, value
, "receive");
138 status
= git_gpg_config(var
, value
, NULL
);
142 if (strcmp(var
, "receive.denydeletes") == 0) {
143 deny_deletes
= git_config_bool(var
, value
);
147 if (strcmp(var
, "receive.denynonfastforwards") == 0) {
148 deny_non_fast_forwards
= git_config_bool(var
, value
);
152 if (strcmp(var
, "receive.unpacklimit") == 0) {
153 receive_unpack_limit
= git_config_int(var
, value
);
157 if (strcmp(var
, "transfer.unpacklimit") == 0) {
158 transfer_unpack_limit
= git_config_int(var
, value
);
162 if (strcmp(var
, "receive.fsck.skiplist") == 0) {
165 if (git_config_pathname(&path
, var
, value
))
167 strbuf_addf(&fsck_msg_types
, "%cskiplist=%s",
168 fsck_msg_types
.len
? ',' : '=', path
);
173 if (skip_prefix(var
, "receive.fsck.", &var
)) {
174 if (is_valid_msg_type(var
, value
))
175 strbuf_addf(&fsck_msg_types
, "%c%s=%s",
176 fsck_msg_types
.len
? ',' : '=', var
, value
);
178 warning("skipping unknown msg id '%s'", var
);
182 if (strcmp(var
, "receive.fsckobjects") == 0) {
183 receive_fsck_objects
= git_config_bool(var
, value
);
187 if (strcmp(var
, "transfer.fsckobjects") == 0) {
188 transfer_fsck_objects
= git_config_bool(var
, value
);
192 if (!strcmp(var
, "receive.denycurrentbranch")) {
193 deny_current_branch
= parse_deny_action(var
, value
);
197 if (strcmp(var
, "receive.denydeletecurrent") == 0) {
198 deny_delete_current
= parse_deny_action(var
, value
);
202 if (strcmp(var
, "repack.usedeltabaseoffset") == 0) {
203 prefer_ofs_delta
= git_config_bool(var
, value
);
207 if (strcmp(var
, "receive.updateserverinfo") == 0) {
208 auto_update_server_info
= git_config_bool(var
, value
);
212 if (strcmp(var
, "receive.autogc") == 0) {
213 auto_gc
= git_config_bool(var
, value
);
217 if (strcmp(var
, "receive.shallowupdate") == 0) {
218 shallow_update
= git_config_bool(var
, value
);
222 if (strcmp(var
, "receive.certnonceseed") == 0)
223 return git_config_string(&cert_nonce_seed
, var
, value
);
225 if (strcmp(var
, "receive.certnonceslop") == 0) {
226 nonce_stamp_slop_limit
= git_config_ulong(var
, value
);
230 if (strcmp(var
, "receive.advertiseatomic") == 0) {
231 advertise_atomic_push
= git_config_bool(var
, value
);
235 if (strcmp(var
, "receive.advertisepushoptions") == 0) {
236 advertise_push_options
= git_config_bool(var
, value
);
240 if (strcmp(var
, "receive.keepalive") == 0) {
241 keepalive_in_sec
= git_config_int(var
, value
);
245 if (strcmp(var
, "receive.maxinputsize") == 0) {
246 max_input_size
= git_config_int64(var
, value
);
250 if (strcmp(var
, "receive.procreceiverefs") == 0) {
252 return config_error_nonbool(var
);
253 proc_receive_ref_append(value
);
257 if (strcmp(var
, "transfer.advertisesid") == 0) {
258 advertise_sid
= git_config_bool(var
, value
);
262 return git_default_config(var
, value
, cb
);
265 static void show_ref(const char *path
, const struct object_id
*oid
)
267 if (sent_capabilities
) {
268 packet_write_fmt(1, "%s %s\n", oid_to_hex(oid
), path
);
270 struct strbuf cap
= STRBUF_INIT
;
273 "report-status report-status-v2 delete-refs side-band-64k quiet");
274 if (advertise_atomic_push
)
275 strbuf_addstr(&cap
, " atomic");
276 if (prefer_ofs_delta
)
277 strbuf_addstr(&cap
, " ofs-delta");
279 strbuf_addf(&cap
, " push-cert=%s", push_cert_nonce
);
280 if (advertise_push_options
)
281 strbuf_addstr(&cap
, " push-options");
283 strbuf_addf(&cap
, " session-id=%s", trace2_session_id());
284 strbuf_addf(&cap
, " object-format=%s", the_hash_algo
->name
);
285 strbuf_addf(&cap
, " agent=%s", git_user_agent_sanitized());
286 packet_write_fmt(1, "%s %s%c%s\n",
287 oid_to_hex(oid
), path
, 0, cap
.buf
);
288 strbuf_release(&cap
);
289 sent_capabilities
= 1;
293 static int show_ref_cb(const char *path_full
, const struct object_id
*oid
,
294 int flag
, void *data
)
296 struct oidset
*seen
= data
;
297 const char *path
= strip_namespace(path_full
);
299 if (ref_is_hidden(path
, path_full
))
303 * Advertise refs outside our current namespace as ".have"
304 * refs, so that the client can use them to minimize data
305 * transfer but will otherwise ignore them.
308 if (oidset_insert(seen
, oid
))
312 oidset_insert(seen
, oid
);
318 static void show_one_alternate_ref(const struct object_id
*oid
,
321 struct oidset
*seen
= data
;
323 if (oidset_insert(seen
, oid
))
326 show_ref(".have", oid
);
329 static void write_head_info(void)
331 static struct oidset seen
= OIDSET_INIT
;
333 for_each_ref(show_ref_cb
, &seen
);
334 for_each_alternate_ref(show_one_alternate_ref
, &seen
);
336 if (!sent_capabilities
)
337 show_ref("capabilities^{}", null_oid());
339 advertise_shallow_grafts(1);
345 #define RUN_PROC_RECEIVE_SCHEDULED 1
346 #define RUN_PROC_RECEIVE_RETURNED 2
348 struct command
*next
;
349 const char *error_string
;
350 struct ref_push_report
*report
;
351 unsigned int skip_update
:1,
355 struct object_id old_oid
;
356 struct object_id new_oid
;
357 char ref_name
[FLEX_ARRAY
]; /* more */
360 static void proc_receive_ref_append(const char *prefix
)
362 struct proc_receive_ref
*ref_pattern
;
366 CALLOC_ARRAY(ref_pattern
, 1);
367 p
= strchr(prefix
, ':');
371 ref_pattern
->want_add
= 1;
372 else if (*prefix
== 'd')
373 ref_pattern
->want_delete
= 1;
374 else if (*prefix
== 'm')
375 ref_pattern
->want_modify
= 1;
376 else if (*prefix
== '!')
377 ref_pattern
->negative_ref
= 1;
382 ref_pattern
->want_add
= 1;
383 ref_pattern
->want_delete
= 1;
384 ref_pattern
->want_modify
= 1;
386 len
= strlen(prefix
);
387 while (len
&& prefix
[len
- 1] == '/')
389 ref_pattern
->ref_prefix
= xmemdupz(prefix
, len
);
390 if (!proc_receive_ref
) {
391 proc_receive_ref
= ref_pattern
;
393 struct proc_receive_ref
*end
;
395 end
= proc_receive_ref
;
398 end
->next
= ref_pattern
;
402 static int proc_receive_ref_matches(struct command
*cmd
)
404 struct proc_receive_ref
*p
;
406 if (!proc_receive_ref
)
409 for (p
= proc_receive_ref
; p
; p
= p
->next
) {
410 const char *match
= p
->ref_prefix
;
413 if (!p
->want_add
&& is_null_oid(&cmd
->old_oid
))
415 else if (!p
->want_delete
&& is_null_oid(&cmd
->new_oid
))
417 else if (!p
->want_modify
&&
418 !is_null_oid(&cmd
->old_oid
) &&
419 !is_null_oid(&cmd
->new_oid
))
422 if (skip_prefix(cmd
->ref_name
, match
, &remains
) &&
423 (!*remains
|| *remains
== '/')) {
424 if (!p
->negative_ref
)
426 } else if (p
->negative_ref
) {
433 static void report_message(const char *prefix
, const char *err
, va_list params
)
438 sz
= xsnprintf(msg
, sizeof(msg
), "%s", prefix
);
439 sz
+= vsnprintf(msg
+ sz
, sizeof(msg
) - sz
, err
, params
);
440 if (sz
> (sizeof(msg
) - 1))
441 sz
= sizeof(msg
) - 1;
445 send_sideband(1, 2, msg
, sz
, use_sideband
);
450 __attribute__((format (printf
, 1, 2)))
451 static void rp_warning(const char *err
, ...)
454 va_start(params
, err
);
455 report_message("warning: ", err
, params
);
459 __attribute__((format (printf
, 1, 2)))
460 static void rp_error(const char *err
, ...)
463 va_start(params
, err
);
464 report_message("error: ", err
, params
);
468 static int copy_to_sideband(int in
, int out
, void *arg
)
471 int keepalive_active
= 0;
473 if (keepalive_in_sec
<= 0)
474 use_keepalive
= KEEPALIVE_NEVER
;
475 if (use_keepalive
== KEEPALIVE_ALWAYS
)
476 keepalive_active
= 1;
481 if (keepalive_active
) {
487 ret
= poll(&pfd
, 1, 1000 * keepalive_in_sec
);
494 } else if (ret
== 0) {
495 /* no data; send a keepalive packet */
496 static const char buf
[] = "0005\1";
497 write_or_die(1, buf
, sizeof(buf
) - 1);
499 } /* else there is actual data to read */
502 sz
= xread(in
, data
, sizeof(data
));
506 if (use_keepalive
== KEEPALIVE_AFTER_NUL
&& !keepalive_active
) {
507 const char *p
= memchr(data
, '\0', sz
);
510 * The NUL tells us to start sending keepalives. Make
511 * sure we send any other data we read along
514 keepalive_active
= 1;
515 send_sideband(1, 2, data
, p
- data
, use_sideband
);
516 send_sideband(1, 2, p
+ 1, sz
- (p
- data
+ 1), use_sideband
);
522 * Either we're not looking for a NUL signal, or we didn't see
523 * it yet; just pass along the data.
525 send_sideband(1, 2, data
, sz
, use_sideband
);
531 static void hmac_hash(unsigned char *out
,
532 const char *key_in
, size_t key_len
,
533 const char *text
, size_t text_len
)
535 unsigned char key
[GIT_MAX_BLKSZ
];
536 unsigned char k_ipad
[GIT_MAX_BLKSZ
];
537 unsigned char k_opad
[GIT_MAX_BLKSZ
];
541 /* RFC 2104 2. (1) */
542 memset(key
, '\0', GIT_MAX_BLKSZ
);
543 if (the_hash_algo
->blksz
< key_len
) {
544 the_hash_algo
->init_fn(&ctx
);
545 the_hash_algo
->update_fn(&ctx
, key_in
, key_len
);
546 the_hash_algo
->final_fn(key
, &ctx
);
548 memcpy(key
, key_in
, key_len
);
551 /* RFC 2104 2. (2) & (5) */
552 for (i
= 0; i
< sizeof(key
); i
++) {
553 k_ipad
[i
] = key
[i
] ^ 0x36;
554 k_opad
[i
] = key
[i
] ^ 0x5c;
557 /* RFC 2104 2. (3) & (4) */
558 the_hash_algo
->init_fn(&ctx
);
559 the_hash_algo
->update_fn(&ctx
, k_ipad
, sizeof(k_ipad
));
560 the_hash_algo
->update_fn(&ctx
, text
, text_len
);
561 the_hash_algo
->final_fn(out
, &ctx
);
563 /* RFC 2104 2. (6) & (7) */
564 the_hash_algo
->init_fn(&ctx
);
565 the_hash_algo
->update_fn(&ctx
, k_opad
, sizeof(k_opad
));
566 the_hash_algo
->update_fn(&ctx
, out
, the_hash_algo
->rawsz
);
567 the_hash_algo
->final_fn(out
, &ctx
);
570 static char *prepare_push_cert_nonce(const char *path
, timestamp_t stamp
)
572 struct strbuf buf
= STRBUF_INIT
;
573 unsigned char hash
[GIT_MAX_RAWSZ
];
575 strbuf_addf(&buf
, "%s:%"PRItime
, path
, stamp
);
576 hmac_hash(hash
, buf
.buf
, buf
.len
, cert_nonce_seed
, strlen(cert_nonce_seed
));
577 strbuf_release(&buf
);
579 /* RFC 2104 5. HMAC-SHA1 or HMAC-SHA256 */
580 strbuf_addf(&buf
, "%"PRItime
"-%.*s", stamp
, (int)the_hash_algo
->hexsz
, hash_to_hex(hash
));
581 return strbuf_detach(&buf
, NULL
);
585 * NEEDSWORK: reuse find_commit_header() from jk/commit-author-parsing
586 * after dropping "_commit" from its name and possibly moving it out
589 static char *find_header(const char *msg
, size_t len
, const char *key
,
590 const char **next_line
)
592 int key_len
= strlen(key
);
593 const char *line
= msg
;
595 while (line
&& line
< msg
+ len
) {
596 const char *eol
= strchrnul(line
, '\n');
598 if ((msg
+ len
<= eol
) || line
== eol
)
600 if (line
+ key_len
< eol
&&
601 !memcmp(line
, key
, key_len
) && line
[key_len
] == ' ') {
602 int offset
= key_len
+ 1;
604 *next_line
= *eol
? eol
+ 1 : eol
;
605 return xmemdupz(line
+ offset
, (eol
- line
) - offset
);
607 line
= *eol
? eol
+ 1 : NULL
;
613 * Return zero if a and b are equal up to n bytes and nonzero if they are not.
614 * This operation is guaranteed to run in constant time to avoid leaking data.
616 static int constant_memequal(const char *a
, const char *b
, size_t n
)
621 for (i
= 0; i
< n
; i
++)
626 static const char *check_nonce(const char *buf
, size_t len
)
628 char *nonce
= find_header(buf
, len
, "nonce", NULL
);
629 timestamp_t stamp
, ostamp
;
630 char *bohmac
, *expect
= NULL
;
631 const char *retval
= NONCE_BAD
;
635 retval
= NONCE_MISSING
;
637 } else if (!push_cert_nonce
) {
638 retval
= NONCE_UNSOLICITED
;
640 } else if (!strcmp(push_cert_nonce
, nonce
)) {
645 if (!stateless_rpc
) {
646 /* returned nonce MUST match what we gave out earlier */
652 * In stateless mode, we may be receiving a nonce issued by
653 * another instance of the server that serving the same
654 * repository, and the timestamps may not match, but the
655 * nonce-seed and dir should match, so we can recompute and
656 * report the time slop.
658 * In addition, when a nonce issued by another instance has
659 * timestamp within receive.certnonceslop seconds, we pretend
660 * as if we issued that nonce when reporting to the hook.
663 /* nonce is concat(<seconds-since-epoch>, "-", <hmac>) */
664 if (*nonce
<= '0' || '9' < *nonce
) {
668 stamp
= parse_timestamp(nonce
, &bohmac
, 10);
669 if (bohmac
== nonce
|| bohmac
[0] != '-') {
674 noncelen
= strlen(nonce
);
675 expect
= prepare_push_cert_nonce(service_dir
, stamp
);
676 if (noncelen
!= strlen(expect
)) {
677 /* This is not even the right size. */
681 if (constant_memequal(expect
, nonce
, noncelen
)) {
682 /* Not what we would have signed earlier */
688 * By how many seconds is this nonce stale? Negative value
689 * would mean it was issued by another server with its clock
690 * skewed in the future.
692 ostamp
= parse_timestamp(push_cert_nonce
, NULL
, 10);
693 nonce_stamp_slop
= (long)ostamp
- (long)stamp
;
695 if (nonce_stamp_slop_limit
&&
696 labs(nonce_stamp_slop
) <= nonce_stamp_slop_limit
) {
698 * Pretend as if the received nonce (which passes the
699 * HMAC check, so it is not a forged by third-party)
702 free((void *)push_cert_nonce
);
703 push_cert_nonce
= xstrdup(nonce
);
716 * Return 1 if there is no push_cert or if the push options in push_cert are
717 * the same as those in the argument; 0 otherwise.
719 static int check_cert_push_options(const struct string_list
*push_options
)
721 const char *buf
= push_cert
.buf
;
722 int len
= push_cert
.len
;
725 const char *next_line
;
726 int options_seen
= 0;
733 while ((option
= find_header(buf
, len
, "push-option", &next_line
))) {
734 len
-= (next_line
- buf
);
737 if (options_seen
> push_options
->nr
739 push_options
->items
[options_seen
- 1].string
)) {
746 if (options_seen
!= push_options
->nr
)
754 static void prepare_push_cert_sha1(struct child_process
*proc
)
756 static int already_done
;
762 int bogs
/* beginning_of_gpg_sig */;
765 if (write_object_file(push_cert
.buf
, push_cert
.len
, "blob",
767 oidclr(&push_cert_oid
);
769 memset(&sigcheck
, '\0', sizeof(sigcheck
));
771 bogs
= parse_signed_buffer(push_cert
.buf
, push_cert
.len
);
772 sigcheck
.payload
= xmemdupz(push_cert
.buf
, bogs
);
773 sigcheck
.payload_len
= bogs
;
774 check_signature(&sigcheck
, push_cert
.buf
+ bogs
,
775 push_cert
.len
- bogs
);
777 nonce_status
= check_nonce(push_cert
.buf
, bogs
);
779 if (!is_null_oid(&push_cert_oid
)) {
780 strvec_pushf(&proc
->env_array
, "GIT_PUSH_CERT=%s",
781 oid_to_hex(&push_cert_oid
));
782 strvec_pushf(&proc
->env_array
, "GIT_PUSH_CERT_SIGNER=%s",
783 sigcheck
.signer
? sigcheck
.signer
: "");
784 strvec_pushf(&proc
->env_array
, "GIT_PUSH_CERT_KEY=%s",
785 sigcheck
.key
? sigcheck
.key
: "");
786 strvec_pushf(&proc
->env_array
, "GIT_PUSH_CERT_STATUS=%c",
788 if (push_cert_nonce
) {
789 strvec_pushf(&proc
->env_array
,
790 "GIT_PUSH_CERT_NONCE=%s",
792 strvec_pushf(&proc
->env_array
,
793 "GIT_PUSH_CERT_NONCE_STATUS=%s",
795 if (nonce_status
== NONCE_SLOP
)
796 strvec_pushf(&proc
->env_array
,
797 "GIT_PUSH_CERT_NONCE_SLOP=%ld",
803 struct receive_hook_feed_state
{
805 struct ref_push_report
*report
;
808 const struct string_list
*push_options
;
811 typedef int (*feed_fn
)(void *, const char **, size_t *);
812 static int run_and_feed_hook(const char *hook_name
, feed_fn feed
,
813 struct receive_hook_feed_state
*feed_state
)
815 struct child_process proc
= CHILD_PROCESS_INIT
;
818 const char *hook_path
= find_hook(hook_name
);
823 strvec_push(&proc
.args
, hook_path
);
825 proc
.stdout_to_stderr
= 1;
826 proc
.trace2_hook_name
= hook_name
;
828 if (feed_state
->push_options
) {
830 for (i
= 0; i
< feed_state
->push_options
->nr
; i
++)
831 strvec_pushf(&proc
.env_array
,
832 "GIT_PUSH_OPTION_%d=%s", i
,
833 feed_state
->push_options
->items
[i
].string
);
834 strvec_pushf(&proc
.env_array
, "GIT_PUSH_OPTION_COUNT=%d",
835 feed_state
->push_options
->nr
);
837 strvec_pushf(&proc
.env_array
, "GIT_PUSH_OPTION_COUNT");
840 strvec_pushv(&proc
.env_array
, tmp_objdir_env(tmp_objdir
));
843 memset(&muxer
, 0, sizeof(muxer
));
844 muxer
.proc
= copy_to_sideband
;
846 code
= start_async(&muxer
);
852 prepare_push_cert_sha1(&proc
);
854 code
= start_command(&proc
);
857 finish_async(&muxer
);
861 sigchain_push(SIGPIPE
, SIG_IGN
);
866 if (feed(feed_state
, &buf
, &n
))
868 if (write_in_full(proc
.in
, buf
, n
) < 0)
873 finish_async(&muxer
);
875 sigchain_pop(SIGPIPE
);
877 return finish_command(&proc
);
880 static int feed_receive_hook(void *state_
, const char **bufp
, size_t *sizep
)
882 struct receive_hook_feed_state
*state
= state_
;
883 struct command
*cmd
= state
->cmd
;
886 state
->skip_broken
&& (cmd
->error_string
|| cmd
->did_not_exist
))
891 return 0; /* OK, can feed something. */
892 strbuf_reset(&state
->buf
);
894 state
->report
= cmd
->report
;
896 struct object_id
*old_oid
;
897 struct object_id
*new_oid
;
898 const char *ref_name
;
900 old_oid
= state
->report
->old_oid
? state
->report
->old_oid
: &cmd
->old_oid
;
901 new_oid
= state
->report
->new_oid
? state
->report
->new_oid
: &cmd
->new_oid
;
902 ref_name
= state
->report
->ref_name
? state
->report
->ref_name
: cmd
->ref_name
;
903 strbuf_addf(&state
->buf
, "%s %s %s\n",
904 oid_to_hex(old_oid
), oid_to_hex(new_oid
),
906 state
->report
= state
->report
->next
;
908 state
->cmd
= cmd
->next
;
910 strbuf_addf(&state
->buf
, "%s %s %s\n",
911 oid_to_hex(&cmd
->old_oid
), oid_to_hex(&cmd
->new_oid
),
913 state
->cmd
= cmd
->next
;
916 *bufp
= state
->buf
.buf
;
917 *sizep
= state
->buf
.len
;
922 static int run_receive_hook(struct command
*commands
,
923 const char *hook_name
,
925 const struct string_list
*push_options
)
927 struct receive_hook_feed_state state
;
930 strbuf_init(&state
.buf
, 0);
931 state
.cmd
= commands
;
932 state
.skip_broken
= skip_broken
;
934 if (feed_receive_hook(&state
, NULL
, NULL
))
936 state
.cmd
= commands
;
937 state
.push_options
= push_options
;
938 status
= run_and_feed_hook(hook_name
, feed_receive_hook
, &state
);
939 strbuf_release(&state
.buf
);
943 static int run_update_hook(struct command
*cmd
)
945 struct child_process proc
= CHILD_PROCESS_INIT
;
947 const char *hook_path
= find_hook("update");
952 strvec_push(&proc
.args
, hook_path
);
953 strvec_push(&proc
.args
, cmd
->ref_name
);
954 strvec_push(&proc
.args
, oid_to_hex(&cmd
->old_oid
));
955 strvec_push(&proc
.args
, oid_to_hex(&cmd
->new_oid
));
958 proc
.stdout_to_stderr
= 1;
959 proc
.err
= use_sideband
? -1 : 0;
960 proc
.trace2_hook_name
= "update";
962 code
= start_command(&proc
);
966 copy_to_sideband(proc
.err
, -1, NULL
);
967 return finish_command(&proc
);
970 static struct command
*find_command_by_refname(struct command
*list
,
973 for (; list
; list
= list
->next
)
974 if (!strcmp(list
->ref_name
, refname
))
979 static int read_proc_receive_report(struct packet_reader
*reader
,
980 struct command
*commands
,
981 struct strbuf
*errmsg
)
984 struct command
*hint
= NULL
;
985 struct ref_push_report
*report
= NULL
;
992 struct object_id old_oid
, new_oid
;
996 enum packet_read_status status
;
998 status
= packet_reader_read(reader
);
999 if (status
!= PACKET_READ_NORMAL
) {
1000 /* Check whether proc-receive exited abnormally */
1001 if (status
== PACKET_READ_EOF
&& !response
) {
1002 strbuf_addstr(errmsg
, "proc-receive exited abnormally");
1009 head
= reader
->line
;
1010 p
= strchr(head
, ' ');
1012 strbuf_addf(errmsg
, "proc-receive reported incomplete status line: '%s'\n", head
);
1017 if (!strcmp(head
, "option")) {
1018 const char *key
, *val
;
1020 if (!hint
|| !(report
|| new_report
)) {
1022 strbuf_addstr(errmsg
, "proc-receive reported 'option' without a matching 'ok/ng' directive\n");
1027 if (!hint
->report
) {
1028 CALLOC_ARRAY(hint
->report
, 1);
1029 report
= hint
->report
;
1031 report
= hint
->report
;
1032 while (report
->next
)
1033 report
= report
->next
;
1034 report
->next
= xcalloc(1, sizeof(struct ref_push_report
));
1035 report
= report
->next
;
1040 p
= strchr(key
, ' ');
1044 if (!strcmp(key
, "refname"))
1045 report
->ref_name
= xstrdup_or_null(val
);
1046 else if (!strcmp(key
, "old-oid") && val
&&
1047 !parse_oid_hex(val
, &old_oid
, &val
))
1048 report
->old_oid
= oiddup(&old_oid
);
1049 else if (!strcmp(key
, "new-oid") && val
&&
1050 !parse_oid_hex(val
, &new_oid
, &val
))
1051 report
->new_oid
= oiddup(&new_oid
);
1052 else if (!strcmp(key
, "forced-update"))
1053 report
->forced_update
= 1;
1054 else if (!strcmp(key
, "fall-through"))
1055 /* Fall through, let 'receive-pack' to execute it. */
1056 hint
->run_proc_receive
= 0;
1063 p
= strchr(refname
, ' ');
1066 if (strcmp(head
, "ok") && strcmp(head
, "ng")) {
1067 strbuf_addf(errmsg
, "proc-receive reported bad status '%s' on ref '%s'\n",
1073 /* first try searching at our hint, falling back to all refs */
1075 hint
= find_command_by_refname(hint
, refname
);
1077 hint
= find_command_by_refname(commands
, refname
);
1079 strbuf_addf(errmsg
, "proc-receive reported status on unknown ref: %s\n",
1084 if (!hint
->run_proc_receive
) {
1085 strbuf_addf(errmsg
, "proc-receive reported status on unexpected ref: %s\n",
1090 hint
->run_proc_receive
|= RUN_PROC_RECEIVE_RETURNED
;
1091 if (!strcmp(head
, "ng")) {
1093 hint
->error_string
= xstrdup(p
);
1095 hint
->error_string
= "failed";
1102 for (cmd
= commands
; cmd
; cmd
= cmd
->next
)
1103 if (cmd
->run_proc_receive
&& !cmd
->error_string
&&
1104 !(cmd
->run_proc_receive
& RUN_PROC_RECEIVE_RETURNED
)) {
1105 cmd
->error_string
= "proc-receive failed to report status";
1111 static int run_proc_receive_hook(struct command
*commands
,
1112 const struct string_list
*push_options
)
1114 struct child_process proc
= CHILD_PROCESS_INIT
;
1116 struct command
*cmd
;
1117 struct packet_reader reader
;
1118 struct strbuf cap
= STRBUF_INIT
;
1119 struct strbuf errmsg
= STRBUF_INIT
;
1120 int hook_use_push_options
= 0;
1123 const char *hook_path
= find_hook("proc-receive");
1126 rp_error("cannot find hook 'proc-receive'");
1130 strvec_push(&proc
.args
, hook_path
);
1133 proc
.trace2_hook_name
= "proc-receive";
1136 memset(&muxer
, 0, sizeof(muxer
));
1137 muxer
.proc
= copy_to_sideband
;
1139 code
= start_async(&muxer
);
1142 proc
.err
= muxer
.in
;
1147 code
= start_command(&proc
);
1150 finish_async(&muxer
);
1154 sigchain_push(SIGPIPE
, SIG_IGN
);
1156 /* Version negotiaton */
1157 packet_reader_init(&reader
, proc
.out
, NULL
, 0,
1158 PACKET_READ_CHOMP_NEWLINE
|
1159 PACKET_READ_GENTLE_ON_EOF
);
1161 strbuf_addstr(&cap
, " atomic");
1162 if (use_push_options
)
1163 strbuf_addstr(&cap
, " push-options");
1165 code
= packet_write_fmt_gently(proc
.in
, "version=1%c%s\n", '\0', cap
.buf
+ 1);
1166 strbuf_release(&cap
);
1168 code
= packet_write_fmt_gently(proc
.in
, "version=1\n");
1171 code
= packet_flush_gently(proc
.in
);
1176 enum packet_read_status status
;
1178 status
= packet_reader_read(&reader
);
1179 if (status
!= PACKET_READ_NORMAL
) {
1180 /* Check whether proc-receive exited abnormally */
1181 if (status
== PACKET_READ_EOF
)
1186 if (reader
.pktlen
> 8 && starts_with(reader
.line
, "version=")) {
1187 version
= atoi(reader
.line
+ 8);
1188 linelen
= strlen(reader
.line
);
1189 if (linelen
< reader
.pktlen
) {
1190 const char *feature_list
= reader
.line
+ linelen
+ 1;
1191 if (parse_feature_request(feature_list
, "push-options"))
1192 hook_use_push_options
= 1;
1198 strbuf_addstr(&errmsg
, "fail to negotiate version with proc-receive hook");
1208 strbuf_addf(&errmsg
, "proc-receive version '%d' is not supported",
1215 for (cmd
= commands
; cmd
; cmd
= cmd
->next
) {
1216 if (!cmd
->run_proc_receive
|| cmd
->skip_update
|| cmd
->error_string
)
1218 code
= packet_write_fmt_gently(proc
.in
, "%s %s %s",
1219 oid_to_hex(&cmd
->old_oid
),
1220 oid_to_hex(&cmd
->new_oid
),
1226 code
= packet_flush_gently(proc
.in
);
1228 strbuf_addstr(&errmsg
, "fail to write commands to proc-receive hook");
1232 /* Send push options */
1233 if (hook_use_push_options
) {
1234 struct string_list_item
*item
;
1236 for_each_string_list_item(item
, push_options
) {
1237 code
= packet_write_fmt_gently(proc
.in
, "%s", item
->string
);
1242 code
= packet_flush_gently(proc
.in
);
1244 strbuf_addstr(&errmsg
,
1245 "fail to write push-options to proc-receive hook");
1250 /* Read result from proc-receive */
1251 code
= read_proc_receive_report(&reader
, commands
, &errmsg
);
1257 finish_async(&muxer
);
1258 if (finish_command(&proc
))
1260 if (errmsg
.len
>0) {
1261 char *p
= errmsg
.buf
;
1263 p
+= errmsg
.len
- 1;
1266 rp_error("%s", errmsg
.buf
);
1267 strbuf_release(&errmsg
);
1269 sigchain_pop(SIGPIPE
);
1274 static char *refuse_unconfigured_deny_msg
=
1275 N_("By default, updating the current branch in a non-bare repository\n"
1276 "is denied, because it will make the index and work tree inconsistent\n"
1277 "with what you pushed, and will require 'git reset --hard' to match\n"
1278 "the work tree to HEAD.\n"
1280 "You can set the 'receive.denyCurrentBranch' configuration variable\n"
1281 "to 'ignore' or 'warn' in the remote repository to allow pushing into\n"
1282 "its current branch; however, this is not recommended unless you\n"
1283 "arranged to update its work tree to match what you pushed in some\n"
1286 "To squelch this message and still keep the default behaviour, set\n"
1287 "'receive.denyCurrentBranch' configuration variable to 'refuse'.");
1289 static void refuse_unconfigured_deny(void)
1291 rp_error("%s", _(refuse_unconfigured_deny_msg
));
1294 static char *refuse_unconfigured_deny_delete_current_msg
=
1295 N_("By default, deleting the current branch is denied, because the next\n"
1296 "'git clone' won't result in any file checked out, causing confusion.\n"
1298 "You can set 'receive.denyDeleteCurrent' configuration variable to\n"
1299 "'warn' or 'ignore' in the remote repository to allow deleting the\n"
1300 "current branch, with or without a warning message.\n"
1302 "To squelch this message, you can set it to 'refuse'.");
1304 static void refuse_unconfigured_deny_delete_current(void)
1306 rp_error("%s", _(refuse_unconfigured_deny_delete_current_msg
));
1309 static const struct object_id
*command_singleton_iterator(void *cb_data
);
1310 static int update_shallow_ref(struct command
*cmd
, struct shallow_info
*si
)
1312 struct shallow_lock shallow_lock
= SHALLOW_LOCK_INIT
;
1313 struct oid_array extra
= OID_ARRAY_INIT
;
1314 struct check_connected_options opt
= CHECK_CONNECTED_INIT
;
1315 uint32_t mask
= 1 << (cmd
->index
% 32);
1318 trace_printf_key(&trace_shallow
,
1319 "shallow: update_shallow_ref %s\n", cmd
->ref_name
);
1320 for (i
= 0; i
< si
->shallow
->nr
; i
++)
1321 if (si
->used_shallow
[i
] &&
1322 (si
->used_shallow
[i
][cmd
->index
/ 32] & mask
) &&
1323 !delayed_reachability_test(si
, i
))
1324 oid_array_append(&extra
, &si
->shallow
->oid
[i
]);
1326 opt
.env
= tmp_objdir_env(tmp_objdir
);
1327 setup_alternate_shallow(&shallow_lock
, &opt
.shallow_file
, &extra
);
1328 if (check_connected(command_singleton_iterator
, cmd
, &opt
)) {
1329 rollback_shallow_file(the_repository
, &shallow_lock
);
1330 oid_array_clear(&extra
);
1334 commit_shallow_file(the_repository
, &shallow_lock
);
1337 * Make sure setup_alternate_shallow() for the next ref does
1338 * not lose these new roots..
1340 for (i
= 0; i
< extra
.nr
; i
++)
1341 register_shallow(the_repository
, &extra
.oid
[i
]);
1343 si
->shallow_ref
[cmd
->index
] = 0;
1344 oid_array_clear(&extra
);
1349 * NEEDSWORK: we should consolidate various implementions of "are we
1350 * on an unborn branch?" test into one, and make the unified one more
1351 * robust. !get_sha1() based check used here and elsewhere would not
1352 * allow us to tell an unborn branch from corrupt ref, for example.
1353 * For the purpose of fixing "deploy-to-update does not work when
1354 * pushing into an empty repository" issue, this should suffice for
1357 static int head_has_history(void)
1359 struct object_id oid
;
1361 return !get_oid("HEAD", &oid
);
1364 static const char *push_to_deploy(unsigned char *sha1
,
1366 const char *work_tree
)
1368 struct child_process child
= CHILD_PROCESS_INIT
;
1370 strvec_pushl(&child
.args
, "update-index", "-q", "--ignore-submodules",
1372 strvec_pushv(&child
.env_array
, env
->v
);
1373 child
.dir
= work_tree
;
1375 child
.stdout_to_stderr
= 1;
1377 if (run_command(&child
))
1378 return "Up-to-date check failed";
1380 /* run_command() does not clean up completely; reinitialize */
1381 child_process_init(&child
);
1382 strvec_pushl(&child
.args
, "diff-files", "--quiet",
1383 "--ignore-submodules", "--", NULL
);
1384 strvec_pushv(&child
.env_array
, env
->v
);
1385 child
.dir
= work_tree
;
1387 child
.stdout_to_stderr
= 1;
1389 if (run_command(&child
))
1390 return "Working directory has unstaged changes";
1392 child_process_init(&child
);
1393 strvec_pushl(&child
.args
, "diff-index", "--quiet", "--cached",
1394 "--ignore-submodules",
1395 /* diff-index with either HEAD or an empty tree */
1396 head_has_history() ? "HEAD" : empty_tree_oid_hex(),
1398 strvec_pushv(&child
.env_array
, env
->v
);
1400 child
.no_stdout
= 1;
1401 child
.stdout_to_stderr
= 0;
1403 if (run_command(&child
))
1404 return "Working directory has staged changes";
1406 child_process_init(&child
);
1407 strvec_pushl(&child
.args
, "read-tree", "-u", "-m", hash_to_hex(sha1
),
1409 strvec_pushv(&child
.env_array
, env
->v
);
1410 child
.dir
= work_tree
;
1412 child
.no_stdout
= 1;
1413 child
.stdout_to_stderr
= 0;
1415 if (run_command(&child
))
1416 return "Could not update working tree to new HEAD";
1421 static const char *push_to_checkout_hook
= "push-to-checkout";
1423 static const char *push_to_checkout(unsigned char *hash
,
1425 const char *work_tree
)
1427 strvec_pushf(env
, "GIT_WORK_TREE=%s", absolute_path(work_tree
));
1428 if (run_hook_le(env
->v
, push_to_checkout_hook
,
1429 hash_to_hex(hash
), NULL
))
1430 return "push-to-checkout hook declined";
1435 static const char *update_worktree(unsigned char *sha1
, const struct worktree
*worktree
)
1437 const char *retval
, *git_dir
;
1438 struct strvec env
= STRVEC_INIT
;
1440 if (!worktree
|| !worktree
->path
)
1441 BUG("worktree->path must be non-NULL");
1443 if (worktree
->is_bare
)
1444 return "denyCurrentBranch = updateInstead needs a worktree";
1445 git_dir
= get_worktree_git_dir(worktree
);
1447 strvec_pushf(&env
, "GIT_DIR=%s", absolute_path(git_dir
));
1449 if (!hook_exists(push_to_checkout_hook
))
1450 retval
= push_to_deploy(sha1
, &env
, worktree
->path
);
1452 retval
= push_to_checkout(sha1
, &env
, worktree
->path
);
1458 static const char *update(struct command
*cmd
, struct shallow_info
*si
)
1460 const char *name
= cmd
->ref_name
;
1461 struct strbuf namespaced_name_buf
= STRBUF_INIT
;
1462 static char *namespaced_name
;
1464 struct object_id
*old_oid
= &cmd
->old_oid
;
1465 struct object_id
*new_oid
= &cmd
->new_oid
;
1466 int do_update_worktree
= 0;
1467 struct worktree
**worktrees
= get_worktrees();
1468 const struct worktree
*worktree
=
1469 find_shared_symref(worktrees
, "HEAD", name
);
1471 /* only refs/... are allowed */
1472 if (!starts_with(name
, "refs/") || check_refname_format(name
+ 5, 0)) {
1473 rp_error("refusing to create funny ref '%s' remotely", name
);
1474 ret
= "funny refname";
1478 strbuf_addf(&namespaced_name_buf
, "%s%s", get_git_namespace(), name
);
1479 free(namespaced_name
);
1480 namespaced_name
= strbuf_detach(&namespaced_name_buf
, NULL
);
1482 if (worktree
&& !worktree
->is_bare
) {
1483 switch (deny_current_branch
) {
1487 rp_warning("updating the current branch");
1490 case DENY_UNCONFIGURED
:
1491 rp_error("refusing to update checked out branch: %s", name
);
1492 if (deny_current_branch
== DENY_UNCONFIGURED
)
1493 refuse_unconfigured_deny();
1494 ret
= "branch is currently checked out";
1496 case DENY_UPDATE_INSTEAD
:
1497 /* pass -- let other checks intervene first */
1498 do_update_worktree
= 1;
1503 if (!is_null_oid(new_oid
) && !has_object_file(new_oid
)) {
1504 error("unpack should have generated %s, "
1505 "but I can't find it!", oid_to_hex(new_oid
));
1510 if (!is_null_oid(old_oid
) && is_null_oid(new_oid
)) {
1511 if (deny_deletes
&& starts_with(name
, "refs/heads/")) {
1512 rp_error("denying ref deletion for %s", name
);
1513 ret
= "deletion prohibited";
1517 if (worktree
|| (head_name
&& !strcmp(namespaced_name
, head_name
))) {
1518 switch (deny_delete_current
) {
1522 rp_warning("deleting the current branch");
1525 case DENY_UNCONFIGURED
:
1526 case DENY_UPDATE_INSTEAD
:
1527 if (deny_delete_current
== DENY_UNCONFIGURED
)
1528 refuse_unconfigured_deny_delete_current();
1529 rp_error("refusing to delete the current branch: %s", name
);
1530 ret
= "deletion of the current branch prohibited";
1533 ret
= "Invalid denyDeleteCurrent setting";
1539 if (deny_non_fast_forwards
&& !is_null_oid(new_oid
) &&
1540 !is_null_oid(old_oid
) &&
1541 starts_with(name
, "refs/heads/")) {
1542 struct object
*old_object
, *new_object
;
1543 struct commit
*old_commit
, *new_commit
;
1545 old_object
= parse_object(the_repository
, old_oid
);
1546 new_object
= parse_object(the_repository
, new_oid
);
1548 if (!old_object
|| !new_object
||
1549 old_object
->type
!= OBJ_COMMIT
||
1550 new_object
->type
!= OBJ_COMMIT
) {
1551 error("bad sha1 objects for %s", name
);
1555 old_commit
= (struct commit
*)old_object
;
1556 new_commit
= (struct commit
*)new_object
;
1557 if (!in_merge_bases(old_commit
, new_commit
)) {
1558 rp_error("denying non-fast-forward %s"
1559 " (you should pull first)", name
);
1560 ret
= "non-fast-forward";
1564 if (run_update_hook(cmd
)) {
1565 rp_error("hook declined to update %s", name
);
1566 ret
= "hook declined";
1570 if (do_update_worktree
) {
1571 ret
= update_worktree(new_oid
->hash
, worktree
);
1576 if (is_null_oid(new_oid
)) {
1577 struct strbuf err
= STRBUF_INIT
;
1578 if (!parse_object(the_repository
, old_oid
)) {
1580 if (ref_exists(name
)) {
1581 rp_warning("allowing deletion of corrupt ref");
1583 rp_warning("deleting a non-existent ref");
1584 cmd
->did_not_exist
= 1;
1587 if (ref_transaction_delete(transaction
,
1591 rp_error("%s", err
.buf
);
1592 ret
= "failed to delete";
1594 ret
= NULL
; /* good */
1596 strbuf_release(&err
);
1599 struct strbuf err
= STRBUF_INIT
;
1600 if (shallow_update
&& si
->shallow_ref
[cmd
->index
] &&
1601 update_shallow_ref(cmd
, si
)) {
1602 ret
= "shallow error";
1606 if (ref_transaction_update(transaction
,
1611 rp_error("%s", err
.buf
);
1612 ret
= "failed to update ref";
1614 ret
= NULL
; /* good */
1616 strbuf_release(&err
);
1620 free_worktrees(worktrees
);
1624 static void run_update_post_hook(struct command
*commands
)
1626 struct command
*cmd
;
1627 struct child_process proc
= CHILD_PROCESS_INIT
;
1630 hook
= find_hook("post-update");
1634 for (cmd
= commands
; cmd
; cmd
= cmd
->next
) {
1635 if (cmd
->error_string
|| cmd
->did_not_exist
)
1638 strvec_push(&proc
.args
, hook
);
1639 strvec_push(&proc
.args
, cmd
->ref_name
);
1645 proc
.stdout_to_stderr
= 1;
1646 proc
.err
= use_sideband
? -1 : 0;
1647 proc
.trace2_hook_name
= "post-update";
1649 if (!start_command(&proc
)) {
1651 copy_to_sideband(proc
.err
, -1, NULL
);
1652 finish_command(&proc
);
1656 static void check_aliased_update_internal(struct command
*cmd
,
1657 struct string_list
*list
,
1658 const char *dst_name
, int flag
)
1660 struct string_list_item
*item
;
1661 struct command
*dst_cmd
;
1663 if (!(flag
& REF_ISSYMREF
))
1667 rp_error("refusing update to broken symref '%s'", cmd
->ref_name
);
1668 cmd
->skip_update
= 1;
1669 cmd
->error_string
= "broken symref";
1672 dst_name
= strip_namespace(dst_name
);
1674 if ((item
= string_list_lookup(list
, dst_name
)) == NULL
)
1677 cmd
->skip_update
= 1;
1679 dst_cmd
= (struct command
*) item
->util
;
1681 if (oideq(&cmd
->old_oid
, &dst_cmd
->old_oid
) &&
1682 oideq(&cmd
->new_oid
, &dst_cmd
->new_oid
))
1685 dst_cmd
->skip_update
= 1;
1687 rp_error("refusing inconsistent update between symref '%s' (%s..%s) and"
1688 " its target '%s' (%s..%s)",
1690 find_unique_abbrev(&cmd
->old_oid
, DEFAULT_ABBREV
),
1691 find_unique_abbrev(&cmd
->new_oid
, DEFAULT_ABBREV
),
1693 find_unique_abbrev(&dst_cmd
->old_oid
, DEFAULT_ABBREV
),
1694 find_unique_abbrev(&dst_cmd
->new_oid
, DEFAULT_ABBREV
));
1696 cmd
->error_string
= dst_cmd
->error_string
=
1697 "inconsistent aliased update";
1700 static void check_aliased_update(struct command
*cmd
, struct string_list
*list
)
1702 struct strbuf buf
= STRBUF_INIT
;
1703 const char *dst_name
;
1706 strbuf_addf(&buf
, "%s%s", get_git_namespace(), cmd
->ref_name
);
1707 dst_name
= resolve_ref_unsafe(buf
.buf
, 0, NULL
, &flag
);
1708 check_aliased_update_internal(cmd
, list
, dst_name
, flag
);
1709 strbuf_release(&buf
);
1712 static void check_aliased_updates(struct command
*commands
)
1714 struct command
*cmd
;
1715 struct string_list ref_list
= STRING_LIST_INIT_NODUP
;
1717 for (cmd
= commands
; cmd
; cmd
= cmd
->next
) {
1718 struct string_list_item
*item
=
1719 string_list_append(&ref_list
, cmd
->ref_name
);
1720 item
->util
= (void *)cmd
;
1722 string_list_sort(&ref_list
);
1724 for (cmd
= commands
; cmd
; cmd
= cmd
->next
) {
1725 if (!cmd
->error_string
)
1726 check_aliased_update(cmd
, &ref_list
);
1729 string_list_clear(&ref_list
, 0);
1732 static const struct object_id
*command_singleton_iterator(void *cb_data
)
1734 struct command
**cmd_list
= cb_data
;
1735 struct command
*cmd
= *cmd_list
;
1737 if (!cmd
|| is_null_oid(&cmd
->new_oid
))
1739 *cmd_list
= NULL
; /* this returns only one */
1740 return &cmd
->new_oid
;
1743 static void set_connectivity_errors(struct command
*commands
,
1744 struct shallow_info
*si
)
1746 struct command
*cmd
;
1748 for (cmd
= commands
; cmd
; cmd
= cmd
->next
) {
1749 struct command
*singleton
= cmd
;
1750 struct check_connected_options opt
= CHECK_CONNECTED_INIT
;
1752 if (shallow_update
&& si
->shallow_ref
[cmd
->index
])
1753 /* to be checked in update_shallow_ref() */
1756 opt
.env
= tmp_objdir_env(tmp_objdir
);
1757 if (!check_connected(command_singleton_iterator
, &singleton
,
1761 cmd
->error_string
= "missing necessary objects";
1765 struct iterate_data
{
1766 struct command
*cmds
;
1767 struct shallow_info
*si
;
1770 static const struct object_id
*iterate_receive_command_list(void *cb_data
)
1772 struct iterate_data
*data
= cb_data
;
1773 struct command
**cmd_list
= &data
->cmds
;
1774 struct command
*cmd
= *cmd_list
;
1776 for (; cmd
; cmd
= cmd
->next
) {
1777 if (shallow_update
&& data
->si
->shallow_ref
[cmd
->index
])
1778 /* to be checked in update_shallow_ref() */
1780 if (!is_null_oid(&cmd
->new_oid
) && !cmd
->skip_update
) {
1781 *cmd_list
= cmd
->next
;
1782 return &cmd
->new_oid
;
1788 static void reject_updates_to_hidden(struct command
*commands
)
1790 struct strbuf refname_full
= STRBUF_INIT
;
1792 struct command
*cmd
;
1794 strbuf_addstr(&refname_full
, get_git_namespace());
1795 prefix_len
= refname_full
.len
;
1797 for (cmd
= commands
; cmd
; cmd
= cmd
->next
) {
1798 if (cmd
->error_string
)
1801 strbuf_setlen(&refname_full
, prefix_len
);
1802 strbuf_addstr(&refname_full
, cmd
->ref_name
);
1804 if (!ref_is_hidden(cmd
->ref_name
, refname_full
.buf
))
1806 if (is_null_oid(&cmd
->new_oid
))
1807 cmd
->error_string
= "deny deleting a hidden ref";
1809 cmd
->error_string
= "deny updating a hidden ref";
1812 strbuf_release(&refname_full
);
1815 static int should_process_cmd(struct command
*cmd
)
1817 return !cmd
->error_string
&& !cmd
->skip_update
;
1820 static void warn_if_skipped_connectivity_check(struct command
*commands
,
1821 struct shallow_info
*si
)
1823 struct command
*cmd
;
1824 int checked_connectivity
= 1;
1826 for (cmd
= commands
; cmd
; cmd
= cmd
->next
) {
1827 if (should_process_cmd(cmd
) && si
->shallow_ref
[cmd
->index
]) {
1828 error("BUG: connectivity check has not been run on ref %s",
1830 checked_connectivity
= 0;
1833 if (!checked_connectivity
)
1834 BUG("connectivity check skipped???");
1837 static void execute_commands_non_atomic(struct command
*commands
,
1838 struct shallow_info
*si
)
1840 struct command
*cmd
;
1841 struct strbuf err
= STRBUF_INIT
;
1843 for (cmd
= commands
; cmd
; cmd
= cmd
->next
) {
1844 if (!should_process_cmd(cmd
) || cmd
->run_proc_receive
)
1847 transaction
= ref_transaction_begin(&err
);
1849 rp_error("%s", err
.buf
);
1851 cmd
->error_string
= "transaction failed to start";
1855 cmd
->error_string
= update(cmd
, si
);
1857 if (!cmd
->error_string
1858 && ref_transaction_commit(transaction
, &err
)) {
1859 rp_error("%s", err
.buf
);
1861 cmd
->error_string
= "failed to update ref";
1863 ref_transaction_free(transaction
);
1865 strbuf_release(&err
);
1868 static void execute_commands_atomic(struct command
*commands
,
1869 struct shallow_info
*si
)
1871 struct command
*cmd
;
1872 struct strbuf err
= STRBUF_INIT
;
1873 const char *reported_error
= "atomic push failure";
1875 transaction
= ref_transaction_begin(&err
);
1877 rp_error("%s", err
.buf
);
1879 reported_error
= "transaction failed to start";
1883 for (cmd
= commands
; cmd
; cmd
= cmd
->next
) {
1884 if (!should_process_cmd(cmd
) || cmd
->run_proc_receive
)
1887 cmd
->error_string
= update(cmd
, si
);
1889 if (cmd
->error_string
)
1893 if (ref_transaction_commit(transaction
, &err
)) {
1894 rp_error("%s", err
.buf
);
1895 reported_error
= "atomic transaction failed";
1901 for (cmd
= commands
; cmd
; cmd
= cmd
->next
)
1902 if (!cmd
->error_string
)
1903 cmd
->error_string
= reported_error
;
1906 ref_transaction_free(transaction
);
1907 strbuf_release(&err
);
1910 static void execute_commands(struct command
*commands
,
1911 const char *unpacker_error
,
1912 struct shallow_info
*si
,
1913 const struct string_list
*push_options
)
1915 struct check_connected_options opt
= CHECK_CONNECTED_INIT
;
1916 struct command
*cmd
;
1917 struct iterate_data data
;
1920 int run_proc_receive
= 0;
1922 if (unpacker_error
) {
1923 for (cmd
= commands
; cmd
; cmd
= cmd
->next
)
1924 cmd
->error_string
= "unpacker error";
1929 memset(&muxer
, 0, sizeof(muxer
));
1930 muxer
.proc
= copy_to_sideband
;
1932 if (!start_async(&muxer
))
1934 /* ...else, continue without relaying sideband */
1937 data
.cmds
= commands
;
1939 opt
.err_fd
= err_fd
;
1940 opt
.progress
= err_fd
&& !quiet
;
1941 opt
.env
= tmp_objdir_env(tmp_objdir
);
1942 if (check_connected(iterate_receive_command_list
, &data
, &opt
))
1943 set_connectivity_errors(commands
, si
);
1946 finish_async(&muxer
);
1948 reject_updates_to_hidden(commands
);
1951 * Try to find commands that have special prefix in their reference names,
1952 * and mark them to run an external "proc-receive" hook later.
1954 if (proc_receive_ref
) {
1955 for (cmd
= commands
; cmd
; cmd
= cmd
->next
) {
1956 if (!should_process_cmd(cmd
))
1959 if (proc_receive_ref_matches(cmd
)) {
1960 cmd
->run_proc_receive
= RUN_PROC_RECEIVE_SCHEDULED
;
1961 run_proc_receive
= 1;
1966 if (run_receive_hook(commands
, "pre-receive", 0, push_options
)) {
1967 for (cmd
= commands
; cmd
; cmd
= cmd
->next
) {
1968 if (!cmd
->error_string
)
1969 cmd
->error_string
= "pre-receive hook declined";
1975 * Now we'll start writing out refs, which means the objects need
1976 * to be in their final positions so that other processes can see them.
1978 if (tmp_objdir_migrate(tmp_objdir
) < 0) {
1979 for (cmd
= commands
; cmd
; cmd
= cmd
->next
) {
1980 if (!cmd
->error_string
)
1981 cmd
->error_string
= "unable to migrate objects to permanent storage";
1987 check_aliased_updates(commands
);
1989 free(head_name_to_free
);
1990 head_name
= head_name_to_free
= resolve_refdup("HEAD", 0, NULL
, NULL
);
1992 if (run_proc_receive
&&
1993 run_proc_receive_hook(commands
, push_options
))
1994 for (cmd
= commands
; cmd
; cmd
= cmd
->next
)
1995 if (!cmd
->error_string
&&
1996 !(cmd
->run_proc_receive
& RUN_PROC_RECEIVE_RETURNED
) &&
1997 (cmd
->run_proc_receive
|| use_atomic
))
1998 cmd
->error_string
= "fail to run proc-receive hook";
2001 execute_commands_atomic(commands
, si
);
2003 execute_commands_non_atomic(commands
, si
);
2006 warn_if_skipped_connectivity_check(commands
, si
);
2009 static struct command
**queue_command(struct command
**tail
,
2013 struct object_id old_oid
, new_oid
;
2014 struct command
*cmd
;
2015 const char *refname
;
2019 if (parse_oid_hex(line
, &old_oid
, &p
) ||
2021 parse_oid_hex(p
, &new_oid
, &p
) ||
2023 die("protocol error: expected old/new/ref, got '%s'", line
);
2026 reflen
= linelen
- (p
- line
);
2027 FLEX_ALLOC_MEM(cmd
, ref_name
, refname
, reflen
);
2028 oidcpy(&cmd
->old_oid
, &old_oid
);
2029 oidcpy(&cmd
->new_oid
, &new_oid
);
2034 static void queue_commands_from_cert(struct command
**tail
,
2035 struct strbuf
*push_cert
)
2037 const char *boc
, *eoc
;
2040 die("protocol error: got both push certificate and unsigned commands");
2042 boc
= strstr(push_cert
->buf
, "\n\n");
2044 die("malformed push certificate %.*s", 100, push_cert
->buf
);
2047 eoc
= push_cert
->buf
+ parse_signed_buffer(push_cert
->buf
, push_cert
->len
);
2050 const char *eol
= memchr(boc
, '\n', eoc
- boc
);
2051 tail
= queue_command(tail
, boc
, eol
? eol
- boc
: eoc
- boc
);
2052 boc
= eol
? eol
+ 1 : eoc
;
2056 static struct command
*read_head_info(struct packet_reader
*reader
,
2057 struct oid_array
*shallow
)
2059 struct command
*commands
= NULL
;
2060 struct command
**p
= &commands
;
2064 if (packet_reader_read(reader
) != PACKET_READ_NORMAL
)
2067 if (reader
->pktlen
> 8 && starts_with(reader
->line
, "shallow ")) {
2068 struct object_id oid
;
2069 if (get_oid_hex(reader
->line
+ 8, &oid
))
2070 die("protocol error: expected shallow sha, got '%s'",
2072 oid_array_append(shallow
, &oid
);
2076 linelen
= strlen(reader
->line
);
2077 if (linelen
< reader
->pktlen
) {
2078 const char *feature_list
= reader
->line
+ linelen
+ 1;
2079 const char *hash
= NULL
;
2080 const char *client_sid
;
2082 if (parse_feature_request(feature_list
, "report-status"))
2084 if (parse_feature_request(feature_list
, "report-status-v2"))
2085 report_status_v2
= 1;
2086 if (parse_feature_request(feature_list
, "side-band-64k"))
2087 use_sideband
= LARGE_PACKET_MAX
;
2088 if (parse_feature_request(feature_list
, "quiet"))
2090 if (advertise_atomic_push
2091 && parse_feature_request(feature_list
, "atomic"))
2093 if (advertise_push_options
2094 && parse_feature_request(feature_list
, "push-options"))
2095 use_push_options
= 1;
2096 hash
= parse_feature_value(feature_list
, "object-format", &len
, NULL
);
2098 hash
= hash_algos
[GIT_HASH_SHA1
].name
;
2101 if (xstrncmpz(the_hash_algo
->name
, hash
, len
))
2102 die("error: unsupported object format '%s'", hash
);
2103 client_sid
= parse_feature_value(feature_list
, "session-id", &len
, NULL
);
2105 char *sid
= xstrndup(client_sid
, len
);
2106 trace2_data_string("transfer", NULL
, "client-sid", client_sid
);
2111 if (!strcmp(reader
->line
, "push-cert")) {
2113 int saved_options
= reader
->options
;
2114 reader
->options
&= ~PACKET_READ_CHOMP_NEWLINE
;
2117 packet_reader_read(reader
);
2118 if (reader
->status
== PACKET_READ_FLUSH
) {
2122 if (reader
->status
!= PACKET_READ_NORMAL
) {
2123 die("protocol error: got an unexpected packet");
2125 if (!strcmp(reader
->line
, "push-cert-end\n"))
2126 break; /* end of cert */
2127 strbuf_addstr(&push_cert
, reader
->line
);
2129 reader
->options
= saved_options
;
2136 p
= queue_command(p
, reader
->line
, linelen
);
2140 queue_commands_from_cert(p
, &push_cert
);
2145 static void read_push_options(struct packet_reader
*reader
,
2146 struct string_list
*options
)
2149 if (packet_reader_read(reader
) != PACKET_READ_NORMAL
)
2152 string_list_append(options
, reader
->line
);
2156 static const char *parse_pack_header(struct pack_header
*hdr
)
2158 switch (read_pack_header(0, hdr
)) {
2160 return "eof before pack header was fully read";
2162 case PH_ERROR_PACK_SIGNATURE
:
2163 return "protocol error (pack signature mismatch detected)";
2165 case PH_ERROR_PROTOCOL
:
2166 return "protocol error (pack version unsupported)";
2169 return "unknown error in parse_pack_header";
2176 static const char *pack_lockfile
;
2178 static void push_header_arg(struct strvec
*args
, struct pack_header
*hdr
)
2180 strvec_pushf(args
, "--pack_header=%"PRIu32
",%"PRIu32
,
2181 ntohl(hdr
->hdr_version
), ntohl(hdr
->hdr_entries
));
2184 static const char *unpack(int err_fd
, struct shallow_info
*si
)
2186 struct pack_header hdr
;
2187 const char *hdr_err
;
2189 struct child_process child
= CHILD_PROCESS_INIT
;
2190 int fsck_objects
= (receive_fsck_objects
>= 0
2191 ? receive_fsck_objects
2192 : transfer_fsck_objects
>= 0
2193 ? transfer_fsck_objects
2196 hdr_err
= parse_pack_header(&hdr
);
2203 if (si
->nr_ours
|| si
->nr_theirs
) {
2204 alt_shallow_file
= setup_temporary_shallow(si
->shallow
);
2205 strvec_push(&child
.args
, "--shallow-file");
2206 strvec_push(&child
.args
, alt_shallow_file
);
2209 tmp_objdir
= tmp_objdir_create("incoming");
2213 return "unable to create temporary object directory";
2216 strvec_pushv(&child
.env_array
, tmp_objdir_env(tmp_objdir
));
2219 * Normally we just pass the tmp_objdir environment to the child
2220 * processes that do the heavy lifting, but we may need to see these
2221 * objects ourselves to set up shallow information.
2223 tmp_objdir_add_as_alternate(tmp_objdir
);
2225 if (ntohl(hdr
.hdr_entries
) < unpack_limit
) {
2226 strvec_push(&child
.args
, "unpack-objects");
2227 push_header_arg(&child
.args
, &hdr
);
2229 strvec_push(&child
.args
, "-q");
2231 strvec_pushf(&child
.args
, "--strict%s",
2232 fsck_msg_types
.buf
);
2234 strvec_pushf(&child
.args
, "--max-input-size=%"PRIuMAX
,
2235 (uintmax_t)max_input_size
);
2236 child
.no_stdout
= 1;
2239 status
= run_command(&child
);
2241 return "unpack-objects abnormal exit";
2243 char hostname
[HOST_NAME_MAX
+ 1];
2245 strvec_pushl(&child
.args
, "index-pack", "--stdin", NULL
);
2246 push_header_arg(&child
.args
, &hdr
);
2248 if (xgethostname(hostname
, sizeof(hostname
)))
2249 xsnprintf(hostname
, sizeof(hostname
), "localhost");
2250 strvec_pushf(&child
.args
,
2251 "--keep=receive-pack %"PRIuMAX
" on %s",
2252 (uintmax_t)getpid(),
2255 if (!quiet
&& err_fd
)
2256 strvec_push(&child
.args
, "--show-resolving-progress");
2258 strvec_push(&child
.args
, "--report-end-of-input");
2260 strvec_pushf(&child
.args
, "--strict%s",
2261 fsck_msg_types
.buf
);
2263 strvec_push(&child
.args
, "--fix-thin");
2265 strvec_pushf(&child
.args
, "--max-input-size=%"PRIuMAX
,
2266 (uintmax_t)max_input_size
);
2270 status
= start_command(&child
);
2272 return "index-pack fork failed";
2273 pack_lockfile
= index_pack_lockfile(child
.out
, NULL
);
2275 status
= finish_command(&child
);
2277 return "index-pack abnormal exit";
2278 reprepare_packed_git(the_repository
);
2283 static const char *unpack_with_sideband(struct shallow_info
*si
)
2289 return unpack(0, si
);
2291 use_keepalive
= KEEPALIVE_AFTER_NUL
;
2292 memset(&muxer
, 0, sizeof(muxer
));
2293 muxer
.proc
= copy_to_sideband
;
2295 if (start_async(&muxer
))
2298 ret
= unpack(muxer
.in
, si
);
2300 finish_async(&muxer
);
2304 static void prepare_shallow_update(struct shallow_info
*si
)
2306 int i
, j
, k
, bitmap_size
= DIV_ROUND_UP(si
->ref
->nr
, 32);
2308 ALLOC_ARRAY(si
->used_shallow
, si
->shallow
->nr
);
2309 assign_shallow_commits_to_refs(si
, si
->used_shallow
, NULL
);
2311 CALLOC_ARRAY(si
->need_reachability_test
, si
->shallow
->nr
);
2312 CALLOC_ARRAY(si
->reachable
, si
->shallow
->nr
);
2313 CALLOC_ARRAY(si
->shallow_ref
, si
->ref
->nr
);
2315 for (i
= 0; i
< si
->nr_ours
; i
++)
2316 si
->need_reachability_test
[si
->ours
[i
]] = 1;
2318 for (i
= 0; i
< si
->shallow
->nr
; i
++) {
2319 if (!si
->used_shallow
[i
])
2321 for (j
= 0; j
< bitmap_size
; j
++) {
2322 if (!si
->used_shallow
[i
][j
])
2324 si
->need_reachability_test
[i
]++;
2325 for (k
= 0; k
< 32; k
++)
2326 if (si
->used_shallow
[i
][j
] & (1U << k
))
2327 si
->shallow_ref
[j
* 32 + k
]++;
2331 * true for those associated with some refs and belong
2332 * in "ours" list aka "step 7 not done yet"
2334 si
->need_reachability_test
[i
] =
2335 si
->need_reachability_test
[i
] > 1;
2339 * keep hooks happy by forcing a temporary shallow file via
2340 * env variable because we can't add --shallow-file to every
2341 * command. check_connected() will be done with
2342 * true .git/shallow though.
2344 setenv(GIT_SHALLOW_FILE_ENVIRONMENT
, alt_shallow_file
, 1);
2347 static void update_shallow_info(struct command
*commands
,
2348 struct shallow_info
*si
,
2349 struct oid_array
*ref
)
2351 struct command
*cmd
;
2353 remove_nonexistent_theirs_shallow(si
);
2354 if (!si
->nr_ours
&& !si
->nr_theirs
) {
2359 for (cmd
= commands
; cmd
; cmd
= cmd
->next
) {
2360 if (is_null_oid(&cmd
->new_oid
))
2362 oid_array_append(ref
, &cmd
->new_oid
);
2363 cmd
->index
= ref
->nr
- 1;
2367 if (shallow_update
) {
2368 prepare_shallow_update(si
);
2372 ALLOC_ARRAY(ref_status
, ref
->nr
);
2373 assign_shallow_commits_to_refs(si
, NULL
, ref_status
);
2374 for (cmd
= commands
; cmd
; cmd
= cmd
->next
) {
2375 if (is_null_oid(&cmd
->new_oid
))
2377 if (ref_status
[cmd
->index
]) {
2378 cmd
->error_string
= "shallow update not allowed";
2379 cmd
->skip_update
= 1;
2385 static void report(struct command
*commands
, const char *unpack_status
)
2387 struct command
*cmd
;
2388 struct strbuf buf
= STRBUF_INIT
;
2390 packet_buf_write(&buf
, "unpack %s\n",
2391 unpack_status
? unpack_status
: "ok");
2392 for (cmd
= commands
; cmd
; cmd
= cmd
->next
) {
2393 if (!cmd
->error_string
)
2394 packet_buf_write(&buf
, "ok %s\n",
2397 packet_buf_write(&buf
, "ng %s %s\n",
2398 cmd
->ref_name
, cmd
->error_string
);
2400 packet_buf_flush(&buf
);
2403 send_sideband(1, 1, buf
.buf
, buf
.len
, use_sideband
);
2405 write_or_die(1, buf
.buf
, buf
.len
);
2406 strbuf_release(&buf
);
2409 static void report_v2(struct command
*commands
, const char *unpack_status
)
2411 struct command
*cmd
;
2412 struct strbuf buf
= STRBUF_INIT
;
2413 struct ref_push_report
*report
;
2415 packet_buf_write(&buf
, "unpack %s\n",
2416 unpack_status
? unpack_status
: "ok");
2417 for (cmd
= commands
; cmd
; cmd
= cmd
->next
) {
2420 if (cmd
->error_string
) {
2421 packet_buf_write(&buf
, "ng %s %s\n",
2426 packet_buf_write(&buf
, "ok %s\n",
2428 for (report
= cmd
->report
; report
; report
= report
->next
) {
2430 packet_buf_write(&buf
, "ok %s\n",
2432 if (report
->ref_name
)
2433 packet_buf_write(&buf
, "option refname %s\n",
2435 if (report
->old_oid
)
2436 packet_buf_write(&buf
, "option old-oid %s\n",
2437 oid_to_hex(report
->old_oid
));
2438 if (report
->new_oid
)
2439 packet_buf_write(&buf
, "option new-oid %s\n",
2440 oid_to_hex(report
->new_oid
));
2441 if (report
->forced_update
)
2442 packet_buf_write(&buf
, "option forced-update\n");
2445 packet_buf_flush(&buf
);
2448 send_sideband(1, 1, buf
.buf
, buf
.len
, use_sideband
);
2450 write_or_die(1, buf
.buf
, buf
.len
);
2451 strbuf_release(&buf
);
2454 static int delete_only(struct command
*commands
)
2456 struct command
*cmd
;
2457 for (cmd
= commands
; cmd
; cmd
= cmd
->next
) {
2458 if (!is_null_oid(&cmd
->new_oid
))
2464 int cmd_receive_pack(int argc
, const char **argv
, const char *prefix
)
2466 int advertise_refs
= 0;
2467 struct command
*commands
;
2468 struct oid_array shallow
= OID_ARRAY_INIT
;
2469 struct oid_array ref
= OID_ARRAY_INIT
;
2470 struct shallow_info si
;
2471 struct packet_reader reader
;
2473 struct option options
[] = {
2474 OPT__QUIET(&quiet
, N_("quiet")),
2475 OPT_HIDDEN_BOOL(0, "stateless-rpc", &stateless_rpc
, NULL
),
2476 OPT_HIDDEN_BOOL(0, "http-backend-info-refs", &advertise_refs
, NULL
),
2477 OPT_ALIAS(0, "advertise-refs", "http-backend-info-refs"),
2478 OPT_HIDDEN_BOOL(0, "reject-thin-pack-for-testing", &reject_thin
, NULL
),
2482 packet_trace_identity("receive-pack");
2484 argc
= parse_options(argc
, argv
, prefix
, options
, receive_pack_usage
, 0);
2487 usage_msg_opt(_("too many arguments"), receive_pack_usage
, options
);
2489 usage_msg_opt(_("you must specify a directory"), receive_pack_usage
, options
);
2491 service_dir
= argv
[0];
2495 if (!enter_repo(service_dir
, 0))
2496 die("'%s' does not appear to be a git repository", service_dir
);
2498 git_config(receive_pack_config
, NULL
);
2499 if (cert_nonce_seed
)
2500 push_cert_nonce
= prepare_push_cert_nonce(service_dir
, time(NULL
));
2502 if (0 <= transfer_unpack_limit
)
2503 unpack_limit
= transfer_unpack_limit
;
2504 else if (0 <= receive_unpack_limit
)
2505 unpack_limit
= receive_unpack_limit
;
2507 switch (determine_protocol_version_server()) {
2510 * push support for protocol v2 has not been implemented yet,
2511 * so ignore the request to use v2 and fallback to using v0.
2516 * v1 is just the original protocol with a version string,
2517 * so just fall through after writing the version string.
2519 if (advertise_refs
|| !stateless_rpc
)
2520 packet_write_fmt(1, "version 1\n");
2525 case protocol_unknown_version
:
2526 BUG("unknown protocol version");
2529 if (advertise_refs
|| !stateless_rpc
) {
2535 packet_reader_init(&reader
, 0, NULL
, 0,
2536 PACKET_READ_CHOMP_NEWLINE
|
2537 PACKET_READ_DIE_ON_ERR_PACKET
);
2539 if ((commands
= read_head_info(&reader
, &shallow
)) != NULL
) {
2540 const char *unpack_status
= NULL
;
2541 struct string_list push_options
= STRING_LIST_INIT_DUP
;
2543 if (use_push_options
)
2544 read_push_options(&reader
, &push_options
);
2545 if (!check_cert_push_options(&push_options
)) {
2546 struct command
*cmd
;
2547 for (cmd
= commands
; cmd
; cmd
= cmd
->next
)
2548 cmd
->error_string
= "inconsistent push options";
2551 prepare_shallow_info(&si
, &shallow
);
2552 if (!si
.nr_ours
&& !si
.nr_theirs
)
2554 if (!delete_only(commands
)) {
2555 unpack_status
= unpack_with_sideband(&si
);
2556 update_shallow_info(commands
, &si
, &ref
);
2558 use_keepalive
= KEEPALIVE_ALWAYS
;
2559 execute_commands(commands
, unpack_status
, &si
,
2562 unlink_or_warn(pack_lockfile
);
2563 sigchain_push(SIGPIPE
, SIG_IGN
);
2564 if (report_status_v2
)
2565 report_v2(commands
, unpack_status
);
2566 else if (report_status
)
2567 report(commands
, unpack_status
);
2568 sigchain_pop(SIGPIPE
);
2569 run_receive_hook(commands
, "post-receive", 1,
2571 run_update_post_hook(commands
);
2572 string_list_clear(&push_options
, 0);
2574 struct child_process proc
= CHILD_PROCESS_INIT
;
2577 proc
.stdout_to_stderr
= 1;
2578 proc
.err
= use_sideband
? -1 : 0;
2579 proc
.git_cmd
= proc
.close_object_store
= 1;
2580 strvec_pushl(&proc
.args
, "gc", "--auto", "--quiet",
2583 if (!start_command(&proc
)) {
2585 copy_to_sideband(proc
.err
, -1, NULL
);
2586 finish_command(&proc
);
2589 if (auto_update_server_info
)
2590 update_server_info(0);
2591 clear_shallow_info(&si
);
2595 oid_array_clear(&shallow
);
2596 oid_array_clear(&ref
);
2597 free((void *)push_cert_nonce
);