4 #include "run-command.h"
6 #include "fetch-pack.h"
16 #include "submodule.h"
17 #include "string-list.h"
18 #include "sha1-array.h"
20 #include "transport-internal.h"
23 static void set_upstreams(struct transport
*transport
, struct ref
*refs
,
27 for (ref
= refs
; ref
; ref
= ref
->next
) {
28 const char *localname
;
30 const char *remotename
;
33 * Check suitability for tracking. Must be successful /
34 * already up-to-date ref create/modify (not delete).
36 if (ref
->status
!= REF_STATUS_OK
&&
37 ref
->status
!= REF_STATUS_UPTODATE
)
41 if (is_null_oid(&ref
->new_oid
))
44 /* Follow symbolic refs (mainly for HEAD). */
45 localname
= ref
->peer_ref
->name
;
46 remotename
= ref
->name
;
47 tmp
= resolve_ref_unsafe(localname
, RESOLVE_REF_READING
,
49 if (tmp
&& flag
& REF_ISSYMREF
&&
50 starts_with(tmp
, "refs/heads/"))
53 /* Both source and destination must be local branches. */
54 if (!localname
|| !starts_with(localname
, "refs/heads/"))
56 if (!remotename
|| !starts_with(remotename
, "refs/heads/"))
60 install_branch_config(BRANCH_CONFIG_VERBOSE
,
61 localname
+ 11, transport
->remote
->name
,
64 printf(_("Would set upstream of '%s' to '%s' of '%s'\n"),
65 localname
+ 11, remotename
+ 11,
66 transport
->remote
->name
);
70 struct bundle_transport_data
{
72 struct bundle_header header
;
75 static struct ref
*get_refs_from_bundle(struct transport
*transport
,
77 const struct argv_array
*ref_prefixes
)
79 struct bundle_transport_data
*data
= transport
->data
;
80 struct ref
*result
= NULL
;
88 data
->fd
= read_bundle_header(transport
->url
, &data
->header
);
90 die ("Could not read bundle '%s'.", transport
->url
);
91 for (i
= 0; i
< data
->header
.references
.nr
; i
++) {
92 struct ref_list_entry
*e
= data
->header
.references
.list
+ i
;
93 struct ref
*ref
= alloc_ref(e
->name
);
94 oidcpy(&ref
->old_oid
, &e
->oid
);
101 static int fetch_refs_from_bundle(struct transport
*transport
,
102 int nr_heads
, struct ref
**to_fetch
)
104 struct bundle_transport_data
*data
= transport
->data
;
105 return unbundle(&data
->header
, data
->fd
,
106 transport
->progress
? BUNDLE_VERBOSE
: 0);
109 static int close_bundle(struct transport
*transport
)
111 struct bundle_transport_data
*data
= transport
->data
;
118 struct git_transport_data
{
119 struct git_transport_options options
;
120 struct child_process
*conn
;
122 unsigned got_remote_heads
: 1;
123 enum protocol_version version
;
124 struct oid_array extra_have
;
125 struct oid_array shallow
;
128 static int set_git_option(struct git_transport_options
*opts
,
129 const char *name
, const char *value
)
131 if (!strcmp(name
, TRANS_OPT_UPLOADPACK
)) {
132 opts
->uploadpack
= value
;
134 } else if (!strcmp(name
, TRANS_OPT_RECEIVEPACK
)) {
135 opts
->receivepack
= value
;
137 } else if (!strcmp(name
, TRANS_OPT_THIN
)) {
138 opts
->thin
= !!value
;
140 } else if (!strcmp(name
, TRANS_OPT_FOLLOWTAGS
)) {
141 opts
->followtags
= !!value
;
143 } else if (!strcmp(name
, TRANS_OPT_KEEP
)) {
144 opts
->keep
= !!value
;
146 } else if (!strcmp(name
, TRANS_OPT_UPDATE_SHALLOW
)) {
147 opts
->update_shallow
= !!value
;
149 } else if (!strcmp(name
, TRANS_OPT_DEPTH
)) {
154 opts
->depth
= strtol(value
, &end
, 0);
156 die(_("transport: invalid depth option '%s'"), value
);
159 } else if (!strcmp(name
, TRANS_OPT_DEEPEN_SINCE
)) {
160 opts
->deepen_since
= value
;
162 } else if (!strcmp(name
, TRANS_OPT_DEEPEN_NOT
)) {
163 opts
->deepen_not
= (const struct string_list
*)value
;
165 } else if (!strcmp(name
, TRANS_OPT_DEEPEN_RELATIVE
)) {
166 opts
->deepen_relative
= !!value
;
172 static int connect_setup(struct transport
*transport
, int for_push
)
174 struct git_transport_data
*data
= transport
->data
;
175 int flags
= transport
->verbose
> 0 ? CONNECT_VERBOSE
: 0;
180 switch (transport
->family
) {
181 case TRANSPORT_FAMILY_ALL
: break;
182 case TRANSPORT_FAMILY_IPV4
: flags
|= CONNECT_IPV4
; break;
183 case TRANSPORT_FAMILY_IPV6
: flags
|= CONNECT_IPV6
; break;
186 data
->conn
= git_connect(data
->fd
, transport
->url
,
187 for_push
? data
->options
.receivepack
:
188 data
->options
.uploadpack
,
194 static struct ref
*get_refs_via_connect(struct transport
*transport
, int for_push
,
195 const struct argv_array
*ref_prefixes
)
197 struct git_transport_data
*data
= transport
->data
;
198 struct ref
*refs
= NULL
;
199 struct packet_reader reader
;
201 connect_setup(transport
, for_push
);
203 packet_reader_init(&reader
, data
->fd
[0], NULL
, 0,
204 PACKET_READ_CHOMP_NEWLINE
|
205 PACKET_READ_GENTLE_ON_EOF
);
207 data
->version
= discover_version(&reader
);
208 switch (data
->version
) {
210 get_remote_refs(data
->fd
[1], &reader
, &refs
, for_push
,
215 get_remote_heads(&reader
, &refs
,
216 for_push
? REF_NORMAL
: 0,
220 case protocol_unknown_version
:
221 BUG("unknown protocol version");
223 data
->got_remote_heads
= 1;
228 static int fetch_refs_via_pack(struct transport
*transport
,
229 int nr_heads
, struct ref
**to_fetch
)
232 struct git_transport_data
*data
= transport
->data
;
233 struct ref
*refs
= NULL
;
234 char *dest
= xstrdup(transport
->url
);
235 struct fetch_pack_args args
;
236 struct ref
*refs_tmp
= NULL
;
238 memset(&args
, 0, sizeof(args
));
239 args
.uploadpack
= data
->options
.uploadpack
;
240 args
.keep_pack
= data
->options
.keep
;
242 args
.use_thin_pack
= data
->options
.thin
;
243 args
.include_tag
= data
->options
.followtags
;
244 args
.verbose
= (transport
->verbose
> 1);
245 args
.quiet
= (transport
->verbose
< 0);
246 args
.no_progress
= !transport
->progress
;
247 args
.depth
= data
->options
.depth
;
248 args
.deepen_since
= data
->options
.deepen_since
;
249 args
.deepen_not
= data
->options
.deepen_not
;
250 args
.deepen_relative
= data
->options
.deepen_relative
;
251 args
.check_self_contained_and_connected
=
252 data
->options
.check_self_contained_and_connected
;
253 args
.cloning
= transport
->cloning
;
254 args
.update_shallow
= data
->options
.update_shallow
;
256 if (!data
->got_remote_heads
)
257 refs_tmp
= get_refs_via_connect(transport
, 0, NULL
);
259 switch (data
->version
) {
261 die("support for protocol v2 not implemented yet");
265 refs
= fetch_pack(&args
, data
->fd
, data
->conn
,
266 refs_tmp
? refs_tmp
: transport
->remote_refs
,
267 dest
, to_fetch
, nr_heads
, &data
->shallow
,
268 &transport
->pack_lockfile
);
270 case protocol_unknown_version
:
271 BUG("unknown protocol version");
276 if (finish_connect(data
->conn
))
279 data
->got_remote_heads
= 0;
280 data
->options
.self_contained_and_connected
=
281 args
.self_contained_and_connected
;
285 if (report_unmatched_refs(to_fetch
, nr_heads
))
294 static int push_had_errors(struct ref
*ref
)
296 for (; ref
; ref
= ref
->next
) {
297 switch (ref
->status
) {
298 case REF_STATUS_NONE
:
299 case REF_STATUS_UPTODATE
:
309 int transport_refs_pushed(struct ref
*ref
)
311 for (; ref
; ref
= ref
->next
) {
312 switch(ref
->status
) {
313 case REF_STATUS_NONE
:
314 case REF_STATUS_UPTODATE
:
323 void transport_update_tracking_ref(struct remote
*remote
, struct ref
*ref
, int verbose
)
327 if (ref
->status
!= REF_STATUS_OK
&& ref
->status
!= REF_STATUS_UPTODATE
)
333 if (!remote_find_tracking(remote
, &rs
)) {
335 fprintf(stderr
, "updating local tracking ref '%s'\n", rs
.dst
);
337 delete_ref(NULL
, rs
.dst
, NULL
, 0);
339 update_ref("update by push", rs
.dst
, &ref
->new_oid
,
345 static void print_ref_status(char flag
, const char *summary
,
346 struct ref
*to
, struct ref
*from
, const char *msg
,
347 int porcelain
, int summary_width
)
351 fprintf(stdout
, "%c\t%s:%s\t", flag
, from
->name
, to
->name
);
353 fprintf(stdout
, "%c\t:%s\t", flag
, to
->name
);
355 fprintf(stdout
, "%s (%s)\n", summary
, msg
);
357 fprintf(stdout
, "%s\n", summary
);
359 fprintf(stderr
, " %c %-*s ", flag
, summary_width
, summary
);
361 fprintf(stderr
, "%s -> %s", prettify_refname(from
->name
), prettify_refname(to
->name
));
363 fputs(prettify_refname(to
->name
), stderr
);
373 static void print_ok_ref_status(struct ref
*ref
, int porcelain
, int summary_width
)
376 print_ref_status('-', "[deleted]", ref
, NULL
, NULL
,
377 porcelain
, summary_width
);
378 else if (is_null_oid(&ref
->old_oid
))
379 print_ref_status('*',
380 (starts_with(ref
->name
, "refs/tags/") ? "[new tag]" :
382 ref
, ref
->peer_ref
, NULL
, porcelain
, summary_width
);
384 struct strbuf quickref
= STRBUF_INIT
;
388 strbuf_add_unique_abbrev(&quickref
, ref
->old_oid
.hash
,
390 if (ref
->forced_update
) {
391 strbuf_addstr(&quickref
, "...");
393 msg
= "forced update";
395 strbuf_addstr(&quickref
, "..");
399 strbuf_add_unique_abbrev(&quickref
, ref
->new_oid
.hash
,
402 print_ref_status(type
, quickref
.buf
, ref
, ref
->peer_ref
, msg
,
403 porcelain
, summary_width
);
404 strbuf_release(&quickref
);
408 static int print_one_push_status(struct ref
*ref
, const char *dest
, int count
,
409 int porcelain
, int summary_width
)
412 char *url
= transport_anonymize_url(dest
);
413 fprintf(porcelain
? stdout
: stderr
, "To %s\n", url
);
417 switch(ref
->status
) {
418 case REF_STATUS_NONE
:
419 print_ref_status('X', "[no match]", ref
, NULL
, NULL
,
420 porcelain
, summary_width
);
422 case REF_STATUS_REJECT_NODELETE
:
423 print_ref_status('!', "[rejected]", ref
, NULL
,
424 "remote does not support deleting refs",
425 porcelain
, summary_width
);
427 case REF_STATUS_UPTODATE
:
428 print_ref_status('=', "[up to date]", ref
,
429 ref
->peer_ref
, NULL
, porcelain
, summary_width
);
431 case REF_STATUS_REJECT_NONFASTFORWARD
:
432 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
433 "non-fast-forward", porcelain
, summary_width
);
435 case REF_STATUS_REJECT_ALREADY_EXISTS
:
436 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
437 "already exists", porcelain
, summary_width
);
439 case REF_STATUS_REJECT_FETCH_FIRST
:
440 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
441 "fetch first", porcelain
, summary_width
);
443 case REF_STATUS_REJECT_NEEDS_FORCE
:
444 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
445 "needs force", porcelain
, summary_width
);
447 case REF_STATUS_REJECT_STALE
:
448 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
449 "stale info", porcelain
, summary_width
);
451 case REF_STATUS_REJECT_SHALLOW
:
452 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
453 "new shallow roots not allowed",
454 porcelain
, summary_width
);
456 case REF_STATUS_REMOTE_REJECT
:
457 print_ref_status('!', "[remote rejected]", ref
,
458 ref
->deletion
? NULL
: ref
->peer_ref
,
459 ref
->remote_status
, porcelain
, summary_width
);
461 case REF_STATUS_EXPECTING_REPORT
:
462 print_ref_status('!', "[remote failure]", ref
,
463 ref
->deletion
? NULL
: ref
->peer_ref
,
464 "remote failed to report status",
465 porcelain
, summary_width
);
467 case REF_STATUS_ATOMIC_PUSH_FAILED
:
468 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
469 "atomic push failed", porcelain
, summary_width
);
472 print_ok_ref_status(ref
, porcelain
, summary_width
);
479 static int measure_abbrev(const struct object_id
*oid
, int sofar
)
481 char hex
[GIT_MAX_HEXSZ
+ 1];
482 int w
= find_unique_abbrev_r(hex
, oid
->hash
, DEFAULT_ABBREV
);
484 return (w
< sofar
) ? sofar
: w
;
487 int transport_summary_width(const struct ref
*refs
)
491 for (; refs
; refs
= refs
->next
) {
492 maxw
= measure_abbrev(&refs
->old_oid
, maxw
);
493 maxw
= measure_abbrev(&refs
->new_oid
, maxw
);
496 maxw
= FALLBACK_DEFAULT_ABBREV
;
497 return (2 * maxw
+ 3);
500 void transport_print_push_status(const char *dest
, struct ref
*refs
,
501 int verbose
, int porcelain
, unsigned int *reject_reasons
)
506 int summary_width
= transport_summary_width(refs
);
508 head
= resolve_refdup("HEAD", RESOLVE_REF_READING
, NULL
, NULL
);
511 for (ref
= refs
; ref
; ref
= ref
->next
)
512 if (ref
->status
== REF_STATUS_UPTODATE
)
513 n
+= print_one_push_status(ref
, dest
, n
,
514 porcelain
, summary_width
);
517 for (ref
= refs
; ref
; ref
= ref
->next
)
518 if (ref
->status
== REF_STATUS_OK
)
519 n
+= print_one_push_status(ref
, dest
, n
,
520 porcelain
, summary_width
);
523 for (ref
= refs
; ref
; ref
= ref
->next
) {
524 if (ref
->status
!= REF_STATUS_NONE
&&
525 ref
->status
!= REF_STATUS_UPTODATE
&&
526 ref
->status
!= REF_STATUS_OK
)
527 n
+= print_one_push_status(ref
, dest
, n
,
528 porcelain
, summary_width
);
529 if (ref
->status
== REF_STATUS_REJECT_NONFASTFORWARD
) {
530 if (head
!= NULL
&& !strcmp(head
, ref
->name
))
531 *reject_reasons
|= REJECT_NON_FF_HEAD
;
533 *reject_reasons
|= REJECT_NON_FF_OTHER
;
534 } else if (ref
->status
== REF_STATUS_REJECT_ALREADY_EXISTS
) {
535 *reject_reasons
|= REJECT_ALREADY_EXISTS
;
536 } else if (ref
->status
== REF_STATUS_REJECT_FETCH_FIRST
) {
537 *reject_reasons
|= REJECT_FETCH_FIRST
;
538 } else if (ref
->status
== REF_STATUS_REJECT_NEEDS_FORCE
) {
539 *reject_reasons
|= REJECT_NEEDS_FORCE
;
545 void transport_verify_remote_names(int nr_heads
, const char **heads
)
549 for (i
= 0; i
< nr_heads
; i
++) {
550 const char *local
= heads
[i
];
551 const char *remote
= strrchr(heads
[i
], ':');
556 /* A matching refspec is okay. */
557 if (remote
== local
&& remote
[1] == '\0')
560 remote
= remote
? (remote
+ 1) : local
;
561 if (check_refname_format(remote
,
562 REFNAME_ALLOW_ONELEVEL
|REFNAME_REFSPEC_PATTERN
))
563 die("remote part of refspec is not a valid name in %s",
568 static int git_transport_push(struct transport
*transport
, struct ref
*remote_refs
, int flags
)
570 struct git_transport_data
*data
= transport
->data
;
571 struct send_pack_args args
;
574 if (!data
->got_remote_heads
)
575 get_refs_via_connect(transport
, 1, NULL
);
577 memset(&args
, 0, sizeof(args
));
578 args
.send_mirror
= !!(flags
& TRANSPORT_PUSH_MIRROR
);
579 args
.force_update
= !!(flags
& TRANSPORT_PUSH_FORCE
);
580 args
.use_thin_pack
= data
->options
.thin
;
581 args
.verbose
= (transport
->verbose
> 0);
582 args
.quiet
= (transport
->verbose
< 0);
583 args
.progress
= transport
->progress
;
584 args
.dry_run
= !!(flags
& TRANSPORT_PUSH_DRY_RUN
);
585 args
.porcelain
= !!(flags
& TRANSPORT_PUSH_PORCELAIN
);
586 args
.atomic
= !!(flags
& TRANSPORT_PUSH_ATOMIC
);
587 args
.push_options
= transport
->push_options
;
588 args
.url
= transport
->url
;
590 if (flags
& TRANSPORT_PUSH_CERT_ALWAYS
)
591 args
.push_cert
= SEND_PACK_PUSH_CERT_ALWAYS
;
592 else if (flags
& TRANSPORT_PUSH_CERT_IF_ASKED
)
593 args
.push_cert
= SEND_PACK_PUSH_CERT_IF_ASKED
;
595 args
.push_cert
= SEND_PACK_PUSH_CERT_NEVER
;
597 switch (data
->version
) {
599 die("support for protocol v2 not implemented yet");
603 ret
= send_pack(&args
, data
->fd
, data
->conn
, remote_refs
,
606 case protocol_unknown_version
:
607 BUG("unknown protocol version");
612 ret
|= finish_connect(data
->conn
);
614 data
->got_remote_heads
= 0;
619 static int connect_git(struct transport
*transport
, const char *name
,
620 const char *executable
, int fd
[2])
622 struct git_transport_data
*data
= transport
->data
;
623 data
->conn
= git_connect(data
->fd
, transport
->url
,
630 static int disconnect_git(struct transport
*transport
)
632 struct git_transport_data
*data
= transport
->data
;
634 if (data
->got_remote_heads
)
635 packet_flush(data
->fd
[1]);
638 finish_connect(data
->conn
);
645 static struct transport_vtable taken_over_vtable
= {
647 get_refs_via_connect
,
654 void transport_take_over(struct transport
*transport
,
655 struct child_process
*child
)
657 struct git_transport_data
*data
;
659 if (!transport
->smart_options
)
660 die("BUG: taking over transport requires non-NULL "
661 "smart_options field.");
663 data
= xcalloc(1, sizeof(*data
));
664 data
->options
= *transport
->smart_options
;
666 data
->fd
[0] = data
->conn
->out
;
667 data
->fd
[1] = data
->conn
->in
;
668 data
->got_remote_heads
= 0;
669 transport
->data
= data
;
671 transport
->vtable
= &taken_over_vtable
;
672 transport
->smart_options
= &(data
->options
);
674 transport
->cannot_reuse
= 1;
677 static int is_file(const char *url
)
682 return S_ISREG(buf
.st_mode
);
685 static int external_specification_len(const char *url
)
687 return strchr(url
, ':') - url
;
690 static const struct string_list
*protocol_whitelist(void)
692 static int enabled
= -1;
693 static struct string_list allowed
= STRING_LIST_INIT_DUP
;
696 const char *v
= getenv("GIT_ALLOW_PROTOCOL");
698 string_list_split(&allowed
, v
, ':', -1);
699 string_list_sort(&allowed
);
706 return enabled
? &allowed
: NULL
;
709 enum protocol_allow_config
{
710 PROTOCOL_ALLOW_NEVER
= 0,
711 PROTOCOL_ALLOW_USER_ONLY
,
712 PROTOCOL_ALLOW_ALWAYS
715 static enum protocol_allow_config
parse_protocol_config(const char *key
,
718 if (!strcasecmp(value
, "always"))
719 return PROTOCOL_ALLOW_ALWAYS
;
720 else if (!strcasecmp(value
, "never"))
721 return PROTOCOL_ALLOW_NEVER
;
722 else if (!strcasecmp(value
, "user"))
723 return PROTOCOL_ALLOW_USER_ONLY
;
725 die("unknown value for config '%s': %s", key
, value
);
728 static enum protocol_allow_config
get_protocol_config(const char *type
)
730 char *key
= xstrfmt("protocol.%s.allow", type
);
733 /* first check the per-protocol config */
734 if (!git_config_get_string(key
, &value
)) {
735 enum protocol_allow_config ret
=
736 parse_protocol_config(key
, value
);
743 /* if defined, fallback to user-defined default for unknown protocols */
744 if (!git_config_get_string("protocol.allow", &value
)) {
745 enum protocol_allow_config ret
=
746 parse_protocol_config("protocol.allow", value
);
751 /* fallback to built-in defaults */
753 if (!strcmp(type
, "http") ||
754 !strcmp(type
, "https") ||
755 !strcmp(type
, "git") ||
756 !strcmp(type
, "ssh") ||
757 !strcmp(type
, "file"))
758 return PROTOCOL_ALLOW_ALWAYS
;
760 /* known scary; err on the side of caution */
761 if (!strcmp(type
, "ext"))
762 return PROTOCOL_ALLOW_NEVER
;
764 /* unknown; by default let them be used only directly by the user */
765 return PROTOCOL_ALLOW_USER_ONLY
;
768 int is_transport_allowed(const char *type
, int from_user
)
770 const struct string_list
*whitelist
= protocol_whitelist();
772 return string_list_has_string(whitelist
, type
);
774 switch (get_protocol_config(type
)) {
775 case PROTOCOL_ALLOW_ALWAYS
:
777 case PROTOCOL_ALLOW_NEVER
:
779 case PROTOCOL_ALLOW_USER_ONLY
:
781 from_user
= git_env_bool("GIT_PROTOCOL_FROM_USER", 1);
785 die("BUG: invalid protocol_allow_config type");
788 void transport_check_allowed(const char *type
)
790 if (!is_transport_allowed(type
, -1))
791 die("transport '%s' not allowed", type
);
794 static struct transport_vtable bundle_vtable
= {
796 get_refs_from_bundle
,
797 fetch_refs_from_bundle
,
803 static struct transport_vtable builtin_smart_vtable
= {
805 get_refs_via_connect
,
812 struct transport
*transport_get(struct remote
*remote
, const char *url
)
815 struct transport
*ret
= xcalloc(1, sizeof(*ret
));
817 ret
->progress
= isatty(2);
820 die("No remote provided to transport_get()");
822 ret
->got_remote_refs
= 0;
823 ret
->remote
= remote
;
824 helper
= remote
->foreign_vcs
;
826 if (!url
&& remote
->url
)
827 url
= remote
->url
[0];
830 /* maybe it is a foreign URL? */
834 while (is_urlschemechar(p
== url
, *p
))
836 if (starts_with(p
, "::"))
837 helper
= xstrndup(url
, p
- url
);
841 transport_helper_init(ret
, helper
);
842 } else if (starts_with(url
, "rsync:")) {
843 die("git-over-rsync is no longer supported");
844 } else if (url_is_local_not_ssh(url
) && is_file(url
) && is_bundle(url
, 1)) {
845 struct bundle_transport_data
*data
= xcalloc(1, sizeof(*data
));
846 transport_check_allowed("file");
848 ret
->vtable
= &bundle_vtable
;
849 ret
->smart_options
= NULL
;
850 } else if (!is_url(url
)
851 || starts_with(url
, "file://")
852 || starts_with(url
, "git://")
853 || starts_with(url
, "ssh://")
854 || starts_with(url
, "git+ssh://") /* deprecated - do not use */
855 || starts_with(url
, "ssh+git://") /* deprecated - do not use */
858 * These are builtin smart transports; "allowed" transports
859 * will be checked individually in git_connect.
861 struct git_transport_data
*data
= xcalloc(1, sizeof(*data
));
863 ret
->vtable
= &builtin_smart_vtable
;
864 ret
->smart_options
= &(data
->options
);
867 data
->got_remote_heads
= 0;
869 /* Unknown protocol in URL. Pass to external handler. */
870 int len
= external_specification_len(url
);
871 char *handler
= xmemdupz(url
, len
);
872 transport_helper_init(ret
, handler
);
875 if (ret
->smart_options
) {
876 ret
->smart_options
->thin
= 1;
877 ret
->smart_options
->uploadpack
= "git-upload-pack";
878 if (remote
->uploadpack
)
879 ret
->smart_options
->uploadpack
= remote
->uploadpack
;
880 ret
->smart_options
->receivepack
= "git-receive-pack";
881 if (remote
->receivepack
)
882 ret
->smart_options
->receivepack
= remote
->receivepack
;
888 int transport_set_option(struct transport
*transport
,
889 const char *name
, const char *value
)
891 int git_reports
= 1, protocol_reports
= 1;
893 if (transport
->smart_options
)
894 git_reports
= set_git_option(transport
->smart_options
,
897 if (transport
->vtable
->set_option
)
898 protocol_reports
= transport
->vtable
->set_option(transport
,
901 /* If either report is 0, report 0 (success). */
902 if (!git_reports
|| !protocol_reports
)
904 /* If either reports -1 (invalid value), report -1. */
905 if ((git_reports
== -1) || (protocol_reports
== -1))
907 /* Otherwise if both report unknown, report unknown. */
911 void transport_set_verbosity(struct transport
*transport
, int verbosity
,
915 transport
->verbose
= verbosity
<= 3 ? verbosity
: 3;
917 transport
->verbose
= -1;
920 * Rules used to determine whether to report progress (processing aborts
921 * when a rule is satisfied):
923 * . Report progress, if force_progress is 1 (ie. --progress).
924 * . Don't report progress, if force_progress is 0 (ie. --no-progress).
925 * . Don't report progress, if verbosity < 0 (ie. -q/--quiet ).
926 * . Report progress if isatty(2) is 1.
928 if (force_progress
>= 0)
929 transport
->progress
= !!force_progress
;
931 transport
->progress
= verbosity
>= 0 && isatty(2);
934 static void die_with_unpushed_submodules(struct string_list
*needs_pushing
)
938 fprintf(stderr
, _("The following submodule paths contain changes that can\n"
939 "not be found on any remote:\n"));
940 for (i
= 0; i
< needs_pushing
->nr
; i
++)
941 fprintf(stderr
, " %s\n", needs_pushing
->items
[i
].string
);
942 fprintf(stderr
, _("\nPlease try\n\n"
943 " git push --recurse-submodules=on-demand\n\n"
944 "or cd to the path and use\n\n"
946 "to push them to a remote.\n\n"));
948 string_list_clear(needs_pushing
, 0);
953 static int run_pre_push_hook(struct transport
*transport
,
954 struct ref
*remote_refs
)
958 struct child_process proc
= CHILD_PROCESS_INIT
;
962 if (!(argv
[0] = find_hook("pre-push")))
965 argv
[1] = transport
->remote
->name
;
966 argv
[2] = transport
->url
;
972 if (start_command(&proc
)) {
973 finish_command(&proc
);
977 sigchain_push(SIGPIPE
, SIG_IGN
);
979 strbuf_init(&buf
, 256);
981 for (r
= remote_refs
; r
; r
= r
->next
) {
982 if (!r
->peer_ref
) continue;
983 if (r
->status
== REF_STATUS_REJECT_NONFASTFORWARD
) continue;
984 if (r
->status
== REF_STATUS_REJECT_STALE
) continue;
985 if (r
->status
== REF_STATUS_UPTODATE
) continue;
988 strbuf_addf( &buf
, "%s %s %s %s\n",
989 r
->peer_ref
->name
, oid_to_hex(&r
->new_oid
),
990 r
->name
, oid_to_hex(&r
->old_oid
));
992 if (write_in_full(proc
.in
, buf
.buf
, buf
.len
) < 0) {
993 /* We do not mind if a hook does not read all refs. */
1000 strbuf_release(&buf
);
1006 sigchain_pop(SIGPIPE
);
1008 x
= finish_command(&proc
);
1015 int transport_push(struct transport
*transport
,
1016 int refspec_nr
, const char **refspec
, int flags
,
1017 unsigned int *reject_reasons
)
1019 *reject_reasons
= 0;
1020 transport_verify_remote_names(refspec_nr
, refspec
);
1022 if (transport
->vtable
->push_refs
) {
1023 struct ref
*remote_refs
;
1024 struct ref
*local_refs
= get_local_heads();
1025 int match_flags
= MATCH_REFS_NONE
;
1026 int verbose
= (transport
->verbose
> 0);
1027 int quiet
= (transport
->verbose
< 0);
1028 int porcelain
= flags
& TRANSPORT_PUSH_PORCELAIN
;
1029 int pretend
= flags
& TRANSPORT_PUSH_DRY_RUN
;
1030 int push_ret
, ret
, err
;
1031 struct refspec
*tmp_rs
;
1032 struct argv_array ref_prefixes
= ARGV_ARRAY_INIT
;
1035 if (check_push_refs(local_refs
, refspec_nr
, refspec
) < 0)
1038 tmp_rs
= parse_push_refspec(refspec_nr
, refspec
);
1039 for (i
= 0; i
< refspec_nr
; i
++) {
1040 const char *prefix
= NULL
;
1043 prefix
= tmp_rs
[i
].dst
;
1044 else if (tmp_rs
[i
].src
&& !tmp_rs
[i
].exact_sha1
)
1045 prefix
= tmp_rs
[i
].src
;
1048 const char *glob
= strchr(prefix
, '*');
1050 argv_array_pushf(&ref_prefixes
, "%.*s",
1051 (int)(glob
- prefix
),
1054 expand_ref_prefix(&ref_prefixes
, prefix
);
1058 remote_refs
= transport
->vtable
->get_refs_list(transport
, 1,
1061 argv_array_clear(&ref_prefixes
);
1062 free_refspec(refspec_nr
, tmp_rs
);
1064 if (flags
& TRANSPORT_PUSH_ALL
)
1065 match_flags
|= MATCH_REFS_ALL
;
1066 if (flags
& TRANSPORT_PUSH_MIRROR
)
1067 match_flags
|= MATCH_REFS_MIRROR
;
1068 if (flags
& TRANSPORT_PUSH_PRUNE
)
1069 match_flags
|= MATCH_REFS_PRUNE
;
1070 if (flags
& TRANSPORT_PUSH_FOLLOW_TAGS
)
1071 match_flags
|= MATCH_REFS_FOLLOW_TAGS
;
1073 if (match_push_refs(local_refs
, &remote_refs
,
1074 refspec_nr
, refspec
, match_flags
)) {
1078 if (transport
->smart_options
&&
1079 transport
->smart_options
->cas
&&
1080 !is_empty_cas(transport
->smart_options
->cas
))
1081 apply_push_cas(transport
->smart_options
->cas
,
1082 transport
->remote
, remote_refs
);
1084 set_ref_status_for_push(remote_refs
,
1085 flags
& TRANSPORT_PUSH_MIRROR
,
1086 flags
& TRANSPORT_PUSH_FORCE
);
1088 if (!(flags
& TRANSPORT_PUSH_NO_HOOK
))
1089 if (run_pre_push_hook(transport
, remote_refs
))
1092 if ((flags
& (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND
|
1093 TRANSPORT_RECURSE_SUBMODULES_ONLY
)) &&
1094 !is_bare_repository()) {
1095 struct ref
*ref
= remote_refs
;
1096 struct oid_array commits
= OID_ARRAY_INIT
;
1098 for (; ref
; ref
= ref
->next
)
1099 if (!is_null_oid(&ref
->new_oid
))
1100 oid_array_append(&commits
,
1103 if (!push_unpushed_submodules(&commits
,
1105 refspec
, refspec_nr
,
1106 transport
->push_options
,
1108 oid_array_clear(&commits
);
1109 die("Failed to push all needed submodules!");
1111 oid_array_clear(&commits
);
1114 if (((flags
& TRANSPORT_RECURSE_SUBMODULES_CHECK
) ||
1115 ((flags
& (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND
|
1116 TRANSPORT_RECURSE_SUBMODULES_ONLY
)) &&
1117 !pretend
)) && !is_bare_repository()) {
1118 struct ref
*ref
= remote_refs
;
1119 struct string_list needs_pushing
= STRING_LIST_INIT_DUP
;
1120 struct oid_array commits
= OID_ARRAY_INIT
;
1122 for (; ref
; ref
= ref
->next
)
1123 if (!is_null_oid(&ref
->new_oid
))
1124 oid_array_append(&commits
,
1127 if (find_unpushed_submodules(&commits
, transport
->remote
->name
,
1129 oid_array_clear(&commits
);
1130 die_with_unpushed_submodules(&needs_pushing
);
1132 string_list_clear(&needs_pushing
, 0);
1133 oid_array_clear(&commits
);
1136 if (!(flags
& TRANSPORT_RECURSE_SUBMODULES_ONLY
))
1137 push_ret
= transport
->vtable
->push_refs(transport
, remote_refs
, flags
);
1140 err
= push_had_errors(remote_refs
);
1141 ret
= push_ret
| err
;
1144 transport_print_push_status(transport
->url
, remote_refs
,
1145 verbose
| porcelain
, porcelain
,
1148 if (flags
& TRANSPORT_PUSH_SET_UPSTREAM
)
1149 set_upstreams(transport
, remote_refs
, pretend
);
1151 if (!(flags
& (TRANSPORT_PUSH_DRY_RUN
|
1152 TRANSPORT_RECURSE_SUBMODULES_ONLY
))) {
1154 for (ref
= remote_refs
; ref
; ref
= ref
->next
)
1155 transport_update_tracking_ref(transport
->remote
, ref
, verbose
);
1158 if (porcelain
&& !push_ret
)
1160 else if (!quiet
&& !ret
&& !transport_refs_pushed(remote_refs
))
1161 fprintf(stderr
, "Everything up-to-date\n");
1168 const struct ref
*transport_get_remote_refs(struct transport
*transport
,
1169 const struct argv_array
*ref_prefixes
)
1171 if (!transport
->got_remote_refs
) {
1172 transport
->remote_refs
=
1173 transport
->vtable
->get_refs_list(transport
, 0,
1175 transport
->got_remote_refs
= 1;
1178 return transport
->remote_refs
;
1181 int transport_fetch_refs(struct transport
*transport
, struct ref
*refs
)
1184 int nr_heads
= 0, nr_alloc
= 0, nr_refs
= 0;
1185 struct ref
**heads
= NULL
;
1188 for (rm
= refs
; rm
; rm
= rm
->next
) {
1191 !is_null_oid(&rm
->old_oid
) &&
1192 !oidcmp(&rm
->peer_ref
->old_oid
, &rm
->old_oid
))
1194 ALLOC_GROW(heads
, nr_heads
+ 1, nr_alloc
);
1195 heads
[nr_heads
++] = rm
;
1200 * When deepening of a shallow repository is requested,
1201 * then local and remote refs are likely to still be equal.
1202 * Just feed them all to the fetch method in that case.
1203 * This condition shouldn't be met in a non-deepening fetch
1204 * (see builtin/fetch.c:quickfetch()).
1206 ALLOC_ARRAY(heads
, nr_refs
);
1207 for (rm
= refs
; rm
; rm
= rm
->next
)
1208 heads
[nr_heads
++] = rm
;
1211 rc
= transport
->vtable
->fetch(transport
, nr_heads
, heads
);
1217 void transport_unlock_pack(struct transport
*transport
)
1219 if (transport
->pack_lockfile
) {
1220 unlink_or_warn(transport
->pack_lockfile
);
1221 FREE_AND_NULL(transport
->pack_lockfile
);
1225 int transport_connect(struct transport
*transport
, const char *name
,
1226 const char *exec
, int fd
[2])
1228 if (transport
->vtable
->connect
)
1229 return transport
->vtable
->connect(transport
, name
, exec
, fd
);
1231 die("Operation not supported by protocol");
1234 int transport_disconnect(struct transport
*transport
)
1237 if (transport
->vtable
->disconnect
)
1238 ret
= transport
->vtable
->disconnect(transport
);
1244 * Strip username (and password) from a URL and return
1245 * it in a newly allocated string.
1247 char *transport_anonymize_url(const char *url
)
1249 char *scheme_prefix
, *anon_part
;
1250 size_t anon_len
, prefix_len
= 0;
1252 anon_part
= strchr(url
, '@');
1253 if (url_is_local_not_ssh(url
) || !anon_part
)
1256 anon_len
= strlen(++anon_part
);
1257 scheme_prefix
= strstr(url
, "://");
1258 if (!scheme_prefix
) {
1259 if (!strchr(anon_part
, ':'))
1260 /* cannot be "me@there:/path/name" */
1264 /* make sure scheme is reasonable */
1265 for (cp
= url
; cp
< scheme_prefix
; cp
++) {
1268 case '+': case '.': case '-':
1277 /* @ past the first slash does not count */
1278 cp
= strchr(scheme_prefix
+ 3, '/');
1279 if (cp
&& cp
< anon_part
)
1281 prefix_len
= scheme_prefix
- url
+ 3;
1283 return xstrfmt("%.*s%.*s", (int)prefix_len
, url
,
1284 (int)anon_len
, anon_part
);
1286 return xstrdup(url
);
1289 static void read_alternate_refs(const char *path
,
1290 alternate_ref_fn
*cb
,
1293 struct child_process cmd
= CHILD_PROCESS_INIT
;
1294 struct strbuf line
= STRBUF_INIT
;
1298 argv_array_pushf(&cmd
.args
, "--git-dir=%s", path
);
1299 argv_array_push(&cmd
.args
, "for-each-ref");
1300 argv_array_push(&cmd
.args
, "--format=%(objectname) %(refname)");
1301 cmd
.env
= local_repo_env
;
1304 if (start_command(&cmd
))
1307 fh
= xfdopen(cmd
.out
, "r");
1308 while (strbuf_getline_lf(&line
, fh
) != EOF
) {
1309 struct object_id oid
;
1311 if (get_oid_hex(line
.buf
, &oid
) ||
1312 line
.buf
[GIT_SHA1_HEXSZ
] != ' ') {
1313 warning("invalid line while parsing alternate refs: %s",
1318 cb(line
.buf
+ GIT_SHA1_HEXSZ
+ 1, &oid
, data
);
1322 finish_command(&cmd
);
1325 struct alternate_refs_data
{
1326 alternate_ref_fn
*fn
;
1330 static int refs_from_alternate_cb(struct alternate_object_database
*e
,
1333 struct strbuf path
= STRBUF_INIT
;
1335 struct alternate_refs_data
*cb
= data
;
1337 if (!strbuf_realpath(&path
, e
->path
, 0))
1339 if (!strbuf_strip_suffix(&path
, "/objects"))
1341 base_len
= path
.len
;
1343 /* Is this a git repository with refs? */
1344 strbuf_addstr(&path
, "/refs");
1345 if (!is_directory(path
.buf
))
1347 strbuf_setlen(&path
, base_len
);
1349 read_alternate_refs(path
.buf
, cb
->fn
, cb
->data
);
1352 strbuf_release(&path
);
1356 void for_each_alternate_ref(alternate_ref_fn fn
, void *data
)
1358 struct alternate_refs_data cb
;
1361 foreach_alt_odb(refs_from_alternate_cb
, &cb
);