4 #include "run-command.h"
6 #include "fetch-pack.h"
17 #include "submodule.h"
18 #include "string-list.h"
19 #include "sha1-array.h"
21 #include "transport-internal.h"
23 #include "object-store.h"
26 static int transport_use_color
= -1;
27 static char transport_colors
[][COLOR_MAXLEN
] = {
29 GIT_COLOR_RED
/* REJECTED */
32 enum color_transport
{
33 TRANSPORT_COLOR_RESET
= 0,
34 TRANSPORT_COLOR_REJECTED
= 1
37 static int transport_color_config(void)
39 const char *keys
[] = {
40 "color.transport.reset",
41 "color.transport.rejected"
42 }, *key
= "color.transport";
45 static int initialized
;
51 if (!git_config_get_string(key
, &value
))
52 transport_use_color
= git_config_colorbool(key
, value
);
54 if (!want_color_stderr(transport_use_color
))
57 for (i
= 0; i
< ARRAY_SIZE(keys
); i
++)
58 if (!git_config_get_string(keys
[i
], &value
)) {
60 return config_error_nonbool(keys
[i
]);
61 if (color_parse(value
, transport_colors
[i
]) < 0)
68 static const char *transport_get_color(enum color_transport ix
)
70 if (want_color_stderr(transport_use_color
))
71 return transport_colors
[ix
];
75 static void set_upstreams(struct transport
*transport
, struct ref
*refs
,
79 for (ref
= refs
; ref
; ref
= ref
->next
) {
80 const char *localname
;
82 const char *remotename
;
85 * Check suitability for tracking. Must be successful /
86 * already up-to-date ref create/modify (not delete).
88 if (ref
->status
!= REF_STATUS_OK
&&
89 ref
->status
!= REF_STATUS_UPTODATE
)
93 if (is_null_oid(&ref
->new_oid
))
96 /* Follow symbolic refs (mainly for HEAD). */
97 localname
= ref
->peer_ref
->name
;
98 remotename
= ref
->name
;
99 tmp
= resolve_ref_unsafe(localname
, RESOLVE_REF_READING
,
101 if (tmp
&& flag
& REF_ISSYMREF
&&
102 starts_with(tmp
, "refs/heads/"))
105 /* Both source and destination must be local branches. */
106 if (!localname
|| !starts_with(localname
, "refs/heads/"))
108 if (!remotename
|| !starts_with(remotename
, "refs/heads/"))
112 install_branch_config(BRANCH_CONFIG_VERBOSE
,
113 localname
+ 11, transport
->remote
->name
,
116 printf(_("Would set upstream of '%s' to '%s' of '%s'\n"),
117 localname
+ 11, remotename
+ 11,
118 transport
->remote
->name
);
122 struct bundle_transport_data
{
124 struct bundle_header header
;
127 static struct ref
*get_refs_from_bundle(struct transport
*transport
,
129 const struct argv_array
*ref_prefixes
)
131 struct bundle_transport_data
*data
= transport
->data
;
132 struct ref
*result
= NULL
;
140 data
->fd
= read_bundle_header(transport
->url
, &data
->header
);
142 die("could not read bundle '%s'", transport
->url
);
143 for (i
= 0; i
< data
->header
.references
.nr
; i
++) {
144 struct ref_list_entry
*e
= data
->header
.references
.list
+ i
;
145 struct ref
*ref
= alloc_ref(e
->name
);
146 oidcpy(&ref
->old_oid
, &e
->oid
);
153 static int fetch_refs_from_bundle(struct transport
*transport
,
154 int nr_heads
, struct ref
**to_fetch
)
156 struct bundle_transport_data
*data
= transport
->data
;
157 return unbundle(&data
->header
, data
->fd
,
158 transport
->progress
? BUNDLE_VERBOSE
: 0);
161 static int close_bundle(struct transport
*transport
)
163 struct bundle_transport_data
*data
= transport
->data
;
170 struct git_transport_data
{
171 struct git_transport_options options
;
172 struct child_process
*conn
;
174 unsigned got_remote_heads
: 1;
175 enum protocol_version version
;
176 struct oid_array extra_have
;
177 struct oid_array shallow
;
180 static int set_git_option(struct git_transport_options
*opts
,
181 const char *name
, const char *value
)
183 if (!strcmp(name
, TRANS_OPT_UPLOADPACK
)) {
184 opts
->uploadpack
= value
;
186 } else if (!strcmp(name
, TRANS_OPT_RECEIVEPACK
)) {
187 opts
->receivepack
= value
;
189 } else if (!strcmp(name
, TRANS_OPT_THIN
)) {
190 opts
->thin
= !!value
;
192 } else if (!strcmp(name
, TRANS_OPT_FOLLOWTAGS
)) {
193 opts
->followtags
= !!value
;
195 } else if (!strcmp(name
, TRANS_OPT_KEEP
)) {
196 opts
->keep
= !!value
;
198 } else if (!strcmp(name
, TRANS_OPT_UPDATE_SHALLOW
)) {
199 opts
->update_shallow
= !!value
;
201 } else if (!strcmp(name
, TRANS_OPT_DEPTH
)) {
206 opts
->depth
= strtol(value
, &end
, 0);
208 die(_("transport: invalid depth option '%s'"), value
);
211 } else if (!strcmp(name
, TRANS_OPT_DEEPEN_SINCE
)) {
212 opts
->deepen_since
= value
;
214 } else if (!strcmp(name
, TRANS_OPT_DEEPEN_NOT
)) {
215 opts
->deepen_not
= (const struct string_list
*)value
;
217 } else if (!strcmp(name
, TRANS_OPT_DEEPEN_RELATIVE
)) {
218 opts
->deepen_relative
= !!value
;
220 } else if (!strcmp(name
, TRANS_OPT_FROM_PROMISOR
)) {
221 opts
->from_promisor
= !!value
;
223 } else if (!strcmp(name
, TRANS_OPT_NO_DEPENDENTS
)) {
224 opts
->no_dependents
= !!value
;
226 } else if (!strcmp(name
, TRANS_OPT_LIST_OBJECTS_FILTER
)) {
227 parse_list_objects_filter(&opts
->filter_options
, value
);
233 static int connect_setup(struct transport
*transport
, int for_push
)
235 struct git_transport_data
*data
= transport
->data
;
236 int flags
= transport
->verbose
> 0 ? CONNECT_VERBOSE
: 0;
241 switch (transport
->family
) {
242 case TRANSPORT_FAMILY_ALL
: break;
243 case TRANSPORT_FAMILY_IPV4
: flags
|= CONNECT_IPV4
; break;
244 case TRANSPORT_FAMILY_IPV6
: flags
|= CONNECT_IPV6
; break;
247 data
->conn
= git_connect(data
->fd
, transport
->url
,
248 for_push
? data
->options
.receivepack
:
249 data
->options
.uploadpack
,
255 static struct ref
*get_refs_via_connect(struct transport
*transport
, int for_push
,
256 const struct argv_array
*ref_prefixes
)
258 struct git_transport_data
*data
= transport
->data
;
259 struct ref
*refs
= NULL
;
260 struct packet_reader reader
;
262 connect_setup(transport
, for_push
);
264 packet_reader_init(&reader
, data
->fd
[0], NULL
, 0,
265 PACKET_READ_CHOMP_NEWLINE
|
266 PACKET_READ_GENTLE_ON_EOF
);
268 data
->version
= discover_version(&reader
);
269 switch (data
->version
) {
271 get_remote_refs(data
->fd
[1], &reader
, &refs
, for_push
,
272 ref_prefixes
, transport
->server_options
);
276 get_remote_heads(&reader
, &refs
,
277 for_push
? REF_NORMAL
: 0,
281 case protocol_unknown_version
:
282 BUG("unknown protocol version");
284 data
->got_remote_heads
= 1;
289 static int fetch_refs_via_pack(struct transport
*transport
,
290 int nr_heads
, struct ref
**to_fetch
)
293 struct git_transport_data
*data
= transport
->data
;
294 struct ref
*refs
= NULL
;
295 char *dest
= xstrdup(transport
->url
);
296 struct fetch_pack_args args
;
297 struct ref
*refs_tmp
= NULL
;
299 memset(&args
, 0, sizeof(args
));
300 args
.uploadpack
= data
->options
.uploadpack
;
301 args
.keep_pack
= data
->options
.keep
;
303 args
.use_thin_pack
= data
->options
.thin
;
304 args
.include_tag
= data
->options
.followtags
;
305 args
.verbose
= (transport
->verbose
> 1);
306 args
.quiet
= (transport
->verbose
< 0);
307 args
.no_progress
= !transport
->progress
;
308 args
.depth
= data
->options
.depth
;
309 args
.deepen_since
= data
->options
.deepen_since
;
310 args
.deepen_not
= data
->options
.deepen_not
;
311 args
.deepen_relative
= data
->options
.deepen_relative
;
312 args
.check_self_contained_and_connected
=
313 data
->options
.check_self_contained_and_connected
;
314 args
.cloning
= transport
->cloning
;
315 args
.update_shallow
= data
->options
.update_shallow
;
316 args
.from_promisor
= data
->options
.from_promisor
;
317 args
.no_dependents
= data
->options
.no_dependents
;
318 args
.filter_options
= data
->options
.filter_options
;
319 args
.stateless_rpc
= transport
->stateless_rpc
;
320 args
.server_options
= transport
->server_options
;
322 if (!data
->got_remote_heads
)
323 refs_tmp
= get_refs_via_connect(transport
, 0, NULL
);
325 switch (data
->version
) {
327 refs
= fetch_pack(&args
, data
->fd
, data
->conn
,
328 refs_tmp
? refs_tmp
: transport
->remote_refs
,
329 dest
, to_fetch
, nr_heads
, &data
->shallow
,
330 &transport
->pack_lockfile
, data
->version
);
334 refs
= fetch_pack(&args
, data
->fd
, data
->conn
,
335 refs_tmp
? refs_tmp
: transport
->remote_refs
,
336 dest
, to_fetch
, nr_heads
, &data
->shallow
,
337 &transport
->pack_lockfile
, data
->version
);
339 case protocol_unknown_version
:
340 BUG("unknown protocol version");
345 if (finish_connect(data
->conn
))
348 data
->got_remote_heads
= 0;
349 data
->options
.self_contained_and_connected
=
350 args
.self_contained_and_connected
;
354 if (report_unmatched_refs(to_fetch
, nr_heads
))
363 static int push_had_errors(struct ref
*ref
)
365 for (; ref
; ref
= ref
->next
) {
366 switch (ref
->status
) {
367 case REF_STATUS_NONE
:
368 case REF_STATUS_UPTODATE
:
378 int transport_refs_pushed(struct ref
*ref
)
380 for (; ref
; ref
= ref
->next
) {
381 switch(ref
->status
) {
382 case REF_STATUS_NONE
:
383 case REF_STATUS_UPTODATE
:
392 void transport_update_tracking_ref(struct remote
*remote
, struct ref
*ref
, int verbose
)
394 struct refspec_item rs
;
396 if (ref
->status
!= REF_STATUS_OK
&& ref
->status
!= REF_STATUS_UPTODATE
)
402 if (!remote_find_tracking(remote
, &rs
)) {
404 fprintf(stderr
, "updating local tracking ref '%s'\n", rs
.dst
);
406 delete_ref(NULL
, rs
.dst
, NULL
, 0);
408 update_ref("update by push", rs
.dst
, &ref
->new_oid
,
414 static void print_ref_status(char flag
, const char *summary
,
415 struct ref
*to
, struct ref
*from
, const char *msg
,
416 int porcelain
, int summary_width
)
420 fprintf(stdout
, "%c\t%s:%s\t", flag
, from
->name
, to
->name
);
422 fprintf(stdout
, "%c\t:%s\t", flag
, to
->name
);
424 fprintf(stdout
, "%s (%s)\n", summary
, msg
);
426 fprintf(stdout
, "%s\n", summary
);
428 const char *red
= "", *reset
= "";
429 if (push_had_errors(to
)) {
430 red
= transport_get_color(TRANSPORT_COLOR_REJECTED
);
431 reset
= transport_get_color(TRANSPORT_COLOR_RESET
);
433 fprintf(stderr
, " %s%c %-*s%s ", red
, flag
, summary_width
,
436 fprintf(stderr
, "%s -> %s", prettify_refname(from
->name
), prettify_refname(to
->name
));
438 fputs(prettify_refname(to
->name
), stderr
);
448 static void print_ok_ref_status(struct ref
*ref
, int porcelain
, int summary_width
)
451 print_ref_status('-', "[deleted]", ref
, NULL
, NULL
,
452 porcelain
, summary_width
);
453 else if (is_null_oid(&ref
->old_oid
))
454 print_ref_status('*',
455 (starts_with(ref
->name
, "refs/tags/") ? "[new tag]" :
457 ref
, ref
->peer_ref
, NULL
, porcelain
, summary_width
);
459 struct strbuf quickref
= STRBUF_INIT
;
463 strbuf_add_unique_abbrev(&quickref
, &ref
->old_oid
,
465 if (ref
->forced_update
) {
466 strbuf_addstr(&quickref
, "...");
468 msg
= "forced update";
470 strbuf_addstr(&quickref
, "..");
474 strbuf_add_unique_abbrev(&quickref
, &ref
->new_oid
,
477 print_ref_status(type
, quickref
.buf
, ref
, ref
->peer_ref
, msg
,
478 porcelain
, summary_width
);
479 strbuf_release(&quickref
);
483 static int print_one_push_status(struct ref
*ref
, const char *dest
, int count
,
484 int porcelain
, int summary_width
)
487 char *url
= transport_anonymize_url(dest
);
488 fprintf(porcelain
? stdout
: stderr
, "To %s\n", url
);
492 switch(ref
->status
) {
493 case REF_STATUS_NONE
:
494 print_ref_status('X', "[no match]", ref
, NULL
, NULL
,
495 porcelain
, summary_width
);
497 case REF_STATUS_REJECT_NODELETE
:
498 print_ref_status('!', "[rejected]", ref
, NULL
,
499 "remote does not support deleting refs",
500 porcelain
, summary_width
);
502 case REF_STATUS_UPTODATE
:
503 print_ref_status('=', "[up to date]", ref
,
504 ref
->peer_ref
, NULL
, porcelain
, summary_width
);
506 case REF_STATUS_REJECT_NONFASTFORWARD
:
507 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
508 "non-fast-forward", porcelain
, summary_width
);
510 case REF_STATUS_REJECT_ALREADY_EXISTS
:
511 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
512 "already exists", porcelain
, summary_width
);
514 case REF_STATUS_REJECT_FETCH_FIRST
:
515 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
516 "fetch first", porcelain
, summary_width
);
518 case REF_STATUS_REJECT_NEEDS_FORCE
:
519 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
520 "needs force", porcelain
, summary_width
);
522 case REF_STATUS_REJECT_STALE
:
523 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
524 "stale info", porcelain
, summary_width
);
526 case REF_STATUS_REJECT_SHALLOW
:
527 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
528 "new shallow roots not allowed",
529 porcelain
, summary_width
);
531 case REF_STATUS_REMOTE_REJECT
:
532 print_ref_status('!', "[remote rejected]", ref
,
533 ref
->deletion
? NULL
: ref
->peer_ref
,
534 ref
->remote_status
, porcelain
, summary_width
);
536 case REF_STATUS_EXPECTING_REPORT
:
537 print_ref_status('!', "[remote failure]", ref
,
538 ref
->deletion
? NULL
: ref
->peer_ref
,
539 "remote failed to report status",
540 porcelain
, summary_width
);
542 case REF_STATUS_ATOMIC_PUSH_FAILED
:
543 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
544 "atomic push failed", porcelain
, summary_width
);
547 print_ok_ref_status(ref
, porcelain
, summary_width
);
554 static int measure_abbrev(const struct object_id
*oid
, int sofar
)
556 char hex
[GIT_MAX_HEXSZ
+ 1];
557 int w
= find_unique_abbrev_r(hex
, oid
, DEFAULT_ABBREV
);
559 return (w
< sofar
) ? sofar
: w
;
562 int transport_summary_width(const struct ref
*refs
)
566 for (; refs
; refs
= refs
->next
) {
567 maxw
= measure_abbrev(&refs
->old_oid
, maxw
);
568 maxw
= measure_abbrev(&refs
->new_oid
, maxw
);
571 maxw
= FALLBACK_DEFAULT_ABBREV
;
572 return (2 * maxw
+ 3);
575 void transport_print_push_status(const char *dest
, struct ref
*refs
,
576 int verbose
, int porcelain
, unsigned int *reject_reasons
)
581 int summary_width
= transport_summary_width(refs
);
583 if (transport_color_config() < 0)
584 warning(_("could not parse transport.color.* config"));
586 head
= resolve_refdup("HEAD", RESOLVE_REF_READING
, NULL
, NULL
);
589 for (ref
= refs
; ref
; ref
= ref
->next
)
590 if (ref
->status
== REF_STATUS_UPTODATE
)
591 n
+= print_one_push_status(ref
, dest
, n
,
592 porcelain
, summary_width
);
595 for (ref
= refs
; ref
; ref
= ref
->next
)
596 if (ref
->status
== REF_STATUS_OK
)
597 n
+= print_one_push_status(ref
, dest
, n
,
598 porcelain
, summary_width
);
601 for (ref
= refs
; ref
; ref
= ref
->next
) {
602 if (ref
->status
!= REF_STATUS_NONE
&&
603 ref
->status
!= REF_STATUS_UPTODATE
&&
604 ref
->status
!= REF_STATUS_OK
)
605 n
+= print_one_push_status(ref
, dest
, n
,
606 porcelain
, summary_width
);
607 if (ref
->status
== REF_STATUS_REJECT_NONFASTFORWARD
) {
608 if (head
!= NULL
&& !strcmp(head
, ref
->name
))
609 *reject_reasons
|= REJECT_NON_FF_HEAD
;
611 *reject_reasons
|= REJECT_NON_FF_OTHER
;
612 } else if (ref
->status
== REF_STATUS_REJECT_ALREADY_EXISTS
) {
613 *reject_reasons
|= REJECT_ALREADY_EXISTS
;
614 } else if (ref
->status
== REF_STATUS_REJECT_FETCH_FIRST
) {
615 *reject_reasons
|= REJECT_FETCH_FIRST
;
616 } else if (ref
->status
== REF_STATUS_REJECT_NEEDS_FORCE
) {
617 *reject_reasons
|= REJECT_NEEDS_FORCE
;
623 static int git_transport_push(struct transport
*transport
, struct ref
*remote_refs
, int flags
)
625 struct git_transport_data
*data
= transport
->data
;
626 struct send_pack_args args
;
629 if (transport_color_config() < 0)
632 if (!data
->got_remote_heads
)
633 get_refs_via_connect(transport
, 1, NULL
);
635 memset(&args
, 0, sizeof(args
));
636 args
.send_mirror
= !!(flags
& TRANSPORT_PUSH_MIRROR
);
637 args
.force_update
= !!(flags
& TRANSPORT_PUSH_FORCE
);
638 args
.use_thin_pack
= data
->options
.thin
;
639 args
.verbose
= (transport
->verbose
> 0);
640 args
.quiet
= (transport
->verbose
< 0);
641 args
.progress
= transport
->progress
;
642 args
.dry_run
= !!(flags
& TRANSPORT_PUSH_DRY_RUN
);
643 args
.porcelain
= !!(flags
& TRANSPORT_PUSH_PORCELAIN
);
644 args
.atomic
= !!(flags
& TRANSPORT_PUSH_ATOMIC
);
645 args
.push_options
= transport
->push_options
;
646 args
.url
= transport
->url
;
648 if (flags
& TRANSPORT_PUSH_CERT_ALWAYS
)
649 args
.push_cert
= SEND_PACK_PUSH_CERT_ALWAYS
;
650 else if (flags
& TRANSPORT_PUSH_CERT_IF_ASKED
)
651 args
.push_cert
= SEND_PACK_PUSH_CERT_IF_ASKED
;
653 args
.push_cert
= SEND_PACK_PUSH_CERT_NEVER
;
655 switch (data
->version
) {
657 die("support for protocol v2 not implemented yet");
661 ret
= send_pack(&args
, data
->fd
, data
->conn
, remote_refs
,
664 case protocol_unknown_version
:
665 BUG("unknown protocol version");
670 ret
|= finish_connect(data
->conn
);
672 data
->got_remote_heads
= 0;
677 static int connect_git(struct transport
*transport
, const char *name
,
678 const char *executable
, int fd
[2])
680 struct git_transport_data
*data
= transport
->data
;
681 data
->conn
= git_connect(data
->fd
, transport
->url
,
688 static int disconnect_git(struct transport
*transport
)
690 struct git_transport_data
*data
= transport
->data
;
692 if (data
->got_remote_heads
)
693 packet_flush(data
->fd
[1]);
696 finish_connect(data
->conn
);
703 static struct transport_vtable taken_over_vtable
= {
705 get_refs_via_connect
,
712 void transport_take_over(struct transport
*transport
,
713 struct child_process
*child
)
715 struct git_transport_data
*data
;
717 if (!transport
->smart_options
)
718 BUG("taking over transport requires non-NULL "
719 "smart_options field.");
721 data
= xcalloc(1, sizeof(*data
));
722 data
->options
= *transport
->smart_options
;
724 data
->fd
[0] = data
->conn
->out
;
725 data
->fd
[1] = data
->conn
->in
;
726 data
->got_remote_heads
= 0;
727 transport
->data
= data
;
729 transport
->vtable
= &taken_over_vtable
;
730 transport
->smart_options
= &(data
->options
);
732 transport
->cannot_reuse
= 1;
735 static int is_file(const char *url
)
740 return S_ISREG(buf
.st_mode
);
743 static int external_specification_len(const char *url
)
745 return strchr(url
, ':') - url
;
748 static const struct string_list
*protocol_whitelist(void)
750 static int enabled
= -1;
751 static struct string_list allowed
= STRING_LIST_INIT_DUP
;
754 const char *v
= getenv("GIT_ALLOW_PROTOCOL");
756 string_list_split(&allowed
, v
, ':', -1);
757 string_list_sort(&allowed
);
764 return enabled
? &allowed
: NULL
;
767 enum protocol_allow_config
{
768 PROTOCOL_ALLOW_NEVER
= 0,
769 PROTOCOL_ALLOW_USER_ONLY
,
770 PROTOCOL_ALLOW_ALWAYS
773 static enum protocol_allow_config
parse_protocol_config(const char *key
,
776 if (!strcasecmp(value
, "always"))
777 return PROTOCOL_ALLOW_ALWAYS
;
778 else if (!strcasecmp(value
, "never"))
779 return PROTOCOL_ALLOW_NEVER
;
780 else if (!strcasecmp(value
, "user"))
781 return PROTOCOL_ALLOW_USER_ONLY
;
783 die("unknown value for config '%s': %s", key
, value
);
786 static enum protocol_allow_config
get_protocol_config(const char *type
)
788 char *key
= xstrfmt("protocol.%s.allow", type
);
791 /* first check the per-protocol config */
792 if (!git_config_get_string(key
, &value
)) {
793 enum protocol_allow_config ret
=
794 parse_protocol_config(key
, value
);
801 /* if defined, fallback to user-defined default for unknown protocols */
802 if (!git_config_get_string("protocol.allow", &value
)) {
803 enum protocol_allow_config ret
=
804 parse_protocol_config("protocol.allow", value
);
809 /* fallback to built-in defaults */
811 if (!strcmp(type
, "http") ||
812 !strcmp(type
, "https") ||
813 !strcmp(type
, "git") ||
814 !strcmp(type
, "ssh") ||
815 !strcmp(type
, "file"))
816 return PROTOCOL_ALLOW_ALWAYS
;
818 /* known scary; err on the side of caution */
819 if (!strcmp(type
, "ext"))
820 return PROTOCOL_ALLOW_NEVER
;
822 /* unknown; by default let them be used only directly by the user */
823 return PROTOCOL_ALLOW_USER_ONLY
;
826 int is_transport_allowed(const char *type
, int from_user
)
828 const struct string_list
*whitelist
= protocol_whitelist();
830 return string_list_has_string(whitelist
, type
);
832 switch (get_protocol_config(type
)) {
833 case PROTOCOL_ALLOW_ALWAYS
:
835 case PROTOCOL_ALLOW_NEVER
:
837 case PROTOCOL_ALLOW_USER_ONLY
:
839 from_user
= git_env_bool("GIT_PROTOCOL_FROM_USER", 1);
843 BUG("invalid protocol_allow_config type");
846 void transport_check_allowed(const char *type
)
848 if (!is_transport_allowed(type
, -1))
849 die("transport '%s' not allowed", type
);
852 static struct transport_vtable bundle_vtable
= {
854 get_refs_from_bundle
,
855 fetch_refs_from_bundle
,
861 static struct transport_vtable builtin_smart_vtable
= {
863 get_refs_via_connect
,
870 struct transport
*transport_get(struct remote
*remote
, const char *url
)
873 struct transport
*ret
= xcalloc(1, sizeof(*ret
));
875 ret
->progress
= isatty(2);
878 BUG("No remote provided to transport_get()");
880 ret
->got_remote_refs
= 0;
881 ret
->remote
= remote
;
882 helper
= remote
->foreign_vcs
;
884 if (!url
&& remote
->url
)
885 url
= remote
->url
[0];
888 /* maybe it is a foreign URL? */
892 while (is_urlschemechar(p
== url
, *p
))
894 if (starts_with(p
, "::"))
895 helper
= xstrndup(url
, p
- url
);
899 transport_helper_init(ret
, helper
);
900 } else if (starts_with(url
, "rsync:")) {
901 die("git-over-rsync is no longer supported");
902 } else if (url_is_local_not_ssh(url
) && is_file(url
) && is_bundle(url
, 1)) {
903 struct bundle_transport_data
*data
= xcalloc(1, sizeof(*data
));
904 transport_check_allowed("file");
906 ret
->vtable
= &bundle_vtable
;
907 ret
->smart_options
= NULL
;
908 } else if (!is_url(url
)
909 || starts_with(url
, "file://")
910 || starts_with(url
, "git://")
911 || starts_with(url
, "ssh://")
912 || starts_with(url
, "git+ssh://") /* deprecated - do not use */
913 || starts_with(url
, "ssh+git://") /* deprecated - do not use */
916 * These are builtin smart transports; "allowed" transports
917 * will be checked individually in git_connect.
919 struct git_transport_data
*data
= xcalloc(1, sizeof(*data
));
921 ret
->vtable
= &builtin_smart_vtable
;
922 ret
->smart_options
= &(data
->options
);
925 data
->got_remote_heads
= 0;
927 /* Unknown protocol in URL. Pass to external handler. */
928 int len
= external_specification_len(url
);
929 char *handler
= xmemdupz(url
, len
);
930 transport_helper_init(ret
, handler
);
933 if (ret
->smart_options
) {
934 ret
->smart_options
->thin
= 1;
935 ret
->smart_options
->uploadpack
= "git-upload-pack";
936 if (remote
->uploadpack
)
937 ret
->smart_options
->uploadpack
= remote
->uploadpack
;
938 ret
->smart_options
->receivepack
= "git-receive-pack";
939 if (remote
->receivepack
)
940 ret
->smart_options
->receivepack
= remote
->receivepack
;
946 int transport_set_option(struct transport
*transport
,
947 const char *name
, const char *value
)
949 int git_reports
= 1, protocol_reports
= 1;
951 if (transport
->smart_options
)
952 git_reports
= set_git_option(transport
->smart_options
,
955 if (transport
->vtable
->set_option
)
956 protocol_reports
= transport
->vtable
->set_option(transport
,
959 /* If either report is 0, report 0 (success). */
960 if (!git_reports
|| !protocol_reports
)
962 /* If either reports -1 (invalid value), report -1. */
963 if ((git_reports
== -1) || (protocol_reports
== -1))
965 /* Otherwise if both report unknown, report unknown. */
969 void transport_set_verbosity(struct transport
*transport
, int verbosity
,
973 transport
->verbose
= verbosity
<= 3 ? verbosity
: 3;
975 transport
->verbose
= -1;
978 * Rules used to determine whether to report progress (processing aborts
979 * when a rule is satisfied):
981 * . Report progress, if force_progress is 1 (ie. --progress).
982 * . Don't report progress, if force_progress is 0 (ie. --no-progress).
983 * . Don't report progress, if verbosity < 0 (ie. -q/--quiet ).
984 * . Report progress if isatty(2) is 1.
986 if (force_progress
>= 0)
987 transport
->progress
= !!force_progress
;
989 transport
->progress
= verbosity
>= 0 && isatty(2);
992 static void die_with_unpushed_submodules(struct string_list
*needs_pushing
)
996 fprintf(stderr
, _("The following submodule paths contain changes that can\n"
997 "not be found on any remote:\n"));
998 for (i
= 0; i
< needs_pushing
->nr
; i
++)
999 fprintf(stderr
, " %s\n", needs_pushing
->items
[i
].string
);
1000 fprintf(stderr
, _("\nPlease try\n\n"
1001 " git push --recurse-submodules=on-demand\n\n"
1002 "or cd to the path and use\n\n"
1004 "to push them to a remote.\n\n"));
1006 string_list_clear(needs_pushing
, 0);
1008 die(_("Aborting."));
1011 static int run_pre_push_hook(struct transport
*transport
,
1012 struct ref
*remote_refs
)
1016 struct child_process proc
= CHILD_PROCESS_INIT
;
1018 const char *argv
[4];
1020 if (!(argv
[0] = find_hook("pre-push")))
1023 argv
[1] = transport
->remote
->name
;
1024 argv
[2] = transport
->url
;
1030 if (start_command(&proc
)) {
1031 finish_command(&proc
);
1035 sigchain_push(SIGPIPE
, SIG_IGN
);
1037 strbuf_init(&buf
, 256);
1039 for (r
= remote_refs
; r
; r
= r
->next
) {
1040 if (!r
->peer_ref
) continue;
1041 if (r
->status
== REF_STATUS_REJECT_NONFASTFORWARD
) continue;
1042 if (r
->status
== REF_STATUS_REJECT_STALE
) continue;
1043 if (r
->status
== REF_STATUS_UPTODATE
) continue;
1046 strbuf_addf( &buf
, "%s %s %s %s\n",
1047 r
->peer_ref
->name
, oid_to_hex(&r
->new_oid
),
1048 r
->name
, oid_to_hex(&r
->old_oid
));
1050 if (write_in_full(proc
.in
, buf
.buf
, buf
.len
) < 0) {
1051 /* We do not mind if a hook does not read all refs. */
1058 strbuf_release(&buf
);
1064 sigchain_pop(SIGPIPE
);
1066 x
= finish_command(&proc
);
1073 int transport_push(struct transport
*transport
,
1074 struct refspec
*rs
, int flags
,
1075 unsigned int *reject_reasons
)
1077 *reject_reasons
= 0;
1079 if (transport_color_config() < 0)
1082 if (transport
->vtable
->push_refs
) {
1083 struct ref
*remote_refs
;
1084 struct ref
*local_refs
= get_local_heads();
1085 int match_flags
= MATCH_REFS_NONE
;
1086 int verbose
= (transport
->verbose
> 0);
1087 int quiet
= (transport
->verbose
< 0);
1088 int porcelain
= flags
& TRANSPORT_PUSH_PORCELAIN
;
1089 int pretend
= flags
& TRANSPORT_PUSH_DRY_RUN
;
1090 int push_ret
, ret
, err
;
1091 struct argv_array ref_prefixes
= ARGV_ARRAY_INIT
;
1093 if (check_push_refs(local_refs
, rs
) < 0)
1096 refspec_ref_prefixes(rs
, &ref_prefixes
);
1098 remote_refs
= transport
->vtable
->get_refs_list(transport
, 1,
1101 argv_array_clear(&ref_prefixes
);
1103 if (flags
& TRANSPORT_PUSH_ALL
)
1104 match_flags
|= MATCH_REFS_ALL
;
1105 if (flags
& TRANSPORT_PUSH_MIRROR
)
1106 match_flags
|= MATCH_REFS_MIRROR
;
1107 if (flags
& TRANSPORT_PUSH_PRUNE
)
1108 match_flags
|= MATCH_REFS_PRUNE
;
1109 if (flags
& TRANSPORT_PUSH_FOLLOW_TAGS
)
1110 match_flags
|= MATCH_REFS_FOLLOW_TAGS
;
1112 if (match_push_refs(local_refs
, &remote_refs
, rs
, match_flags
))
1115 if (transport
->smart_options
&&
1116 transport
->smart_options
->cas
&&
1117 !is_empty_cas(transport
->smart_options
->cas
))
1118 apply_push_cas(transport
->smart_options
->cas
,
1119 transport
->remote
, remote_refs
);
1121 set_ref_status_for_push(remote_refs
,
1122 flags
& TRANSPORT_PUSH_MIRROR
,
1123 flags
& TRANSPORT_PUSH_FORCE
);
1125 if (!(flags
& TRANSPORT_PUSH_NO_HOOK
))
1126 if (run_pre_push_hook(transport
, remote_refs
))
1129 if ((flags
& (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND
|
1130 TRANSPORT_RECURSE_SUBMODULES_ONLY
)) &&
1131 !is_bare_repository()) {
1132 struct ref
*ref
= remote_refs
;
1133 struct oid_array commits
= OID_ARRAY_INIT
;
1135 for (; ref
; ref
= ref
->next
)
1136 if (!is_null_oid(&ref
->new_oid
))
1137 oid_array_append(&commits
,
1140 if (!push_unpushed_submodules(&commits
,
1143 transport
->push_options
,
1145 oid_array_clear(&commits
);
1146 die("failed to push all needed submodules!");
1148 oid_array_clear(&commits
);
1151 if (((flags
& TRANSPORT_RECURSE_SUBMODULES_CHECK
) ||
1152 ((flags
& (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND
|
1153 TRANSPORT_RECURSE_SUBMODULES_ONLY
)) &&
1154 !pretend
)) && !is_bare_repository()) {
1155 struct ref
*ref
= remote_refs
;
1156 struct string_list needs_pushing
= STRING_LIST_INIT_DUP
;
1157 struct oid_array commits
= OID_ARRAY_INIT
;
1159 for (; ref
; ref
= ref
->next
)
1160 if (!is_null_oid(&ref
->new_oid
))
1161 oid_array_append(&commits
,
1164 if (find_unpushed_submodules(&commits
, transport
->remote
->name
,
1166 oid_array_clear(&commits
);
1167 die_with_unpushed_submodules(&needs_pushing
);
1169 string_list_clear(&needs_pushing
, 0);
1170 oid_array_clear(&commits
);
1173 if (!(flags
& TRANSPORT_RECURSE_SUBMODULES_ONLY
))
1174 push_ret
= transport
->vtable
->push_refs(transport
, remote_refs
, flags
);
1177 err
= push_had_errors(remote_refs
);
1178 ret
= push_ret
| err
;
1181 transport_print_push_status(transport
->url
, remote_refs
,
1182 verbose
| porcelain
, porcelain
,
1185 if (flags
& TRANSPORT_PUSH_SET_UPSTREAM
)
1186 set_upstreams(transport
, remote_refs
, pretend
);
1188 if (!(flags
& (TRANSPORT_PUSH_DRY_RUN
|
1189 TRANSPORT_RECURSE_SUBMODULES_ONLY
))) {
1191 for (ref
= remote_refs
; ref
; ref
= ref
->next
)
1192 transport_update_tracking_ref(transport
->remote
, ref
, verbose
);
1195 if (porcelain
&& !push_ret
)
1197 else if (!quiet
&& !ret
&& !transport_refs_pushed(remote_refs
))
1198 fprintf(stderr
, "Everything up-to-date\n");
1205 const struct ref
*transport_get_remote_refs(struct transport
*transport
,
1206 const struct argv_array
*ref_prefixes
)
1208 if (!transport
->got_remote_refs
) {
1209 transport
->remote_refs
=
1210 transport
->vtable
->get_refs_list(transport
, 0,
1212 transport
->got_remote_refs
= 1;
1215 return transport
->remote_refs
;
1218 int transport_fetch_refs(struct transport
*transport
, struct ref
*refs
)
1221 int nr_heads
= 0, nr_alloc
= 0, nr_refs
= 0;
1222 struct ref
**heads
= NULL
;
1225 for (rm
= refs
; rm
; rm
= rm
->next
) {
1228 !is_null_oid(&rm
->old_oid
) &&
1229 !oidcmp(&rm
->peer_ref
->old_oid
, &rm
->old_oid
))
1231 ALLOC_GROW(heads
, nr_heads
+ 1, nr_alloc
);
1232 heads
[nr_heads
++] = rm
;
1237 * When deepening of a shallow repository is requested,
1238 * then local and remote refs are likely to still be equal.
1239 * Just feed them all to the fetch method in that case.
1240 * This condition shouldn't be met in a non-deepening fetch
1241 * (see builtin/fetch.c:quickfetch()).
1243 ALLOC_ARRAY(heads
, nr_refs
);
1244 for (rm
= refs
; rm
; rm
= rm
->next
)
1245 heads
[nr_heads
++] = rm
;
1248 rc
= transport
->vtable
->fetch(transport
, nr_heads
, heads
);
1254 void transport_unlock_pack(struct transport
*transport
)
1256 if (transport
->pack_lockfile
) {
1257 unlink_or_warn(transport
->pack_lockfile
);
1258 FREE_AND_NULL(transport
->pack_lockfile
);
1262 int transport_connect(struct transport
*transport
, const char *name
,
1263 const char *exec
, int fd
[2])
1265 if (transport
->vtable
->connect
)
1266 return transport
->vtable
->connect(transport
, name
, exec
, fd
);
1268 die("operation not supported by protocol");
1271 int transport_disconnect(struct transport
*transport
)
1274 if (transport
->vtable
->disconnect
)
1275 ret
= transport
->vtable
->disconnect(transport
);
1281 * Strip username (and password) from a URL and return
1282 * it in a newly allocated string.
1284 char *transport_anonymize_url(const char *url
)
1286 char *scheme_prefix
, *anon_part
;
1287 size_t anon_len
, prefix_len
= 0;
1289 anon_part
= strchr(url
, '@');
1290 if (url_is_local_not_ssh(url
) || !anon_part
)
1293 anon_len
= strlen(++anon_part
);
1294 scheme_prefix
= strstr(url
, "://");
1295 if (!scheme_prefix
) {
1296 if (!strchr(anon_part
, ':'))
1297 /* cannot be "me@there:/path/name" */
1301 /* make sure scheme is reasonable */
1302 for (cp
= url
; cp
< scheme_prefix
; cp
++) {
1305 case '+': case '.': case '-':
1314 /* @ past the first slash does not count */
1315 cp
= strchr(scheme_prefix
+ 3, '/');
1316 if (cp
&& cp
< anon_part
)
1318 prefix_len
= scheme_prefix
- url
+ 3;
1320 return xstrfmt("%.*s%.*s", (int)prefix_len
, url
,
1321 (int)anon_len
, anon_part
);
1323 return xstrdup(url
);
1326 static void read_alternate_refs(const char *path
,
1327 alternate_ref_fn
*cb
,
1330 struct child_process cmd
= CHILD_PROCESS_INIT
;
1331 struct strbuf line
= STRBUF_INIT
;
1335 argv_array_pushf(&cmd
.args
, "--git-dir=%s", path
);
1336 argv_array_push(&cmd
.args
, "for-each-ref");
1337 argv_array_push(&cmd
.args
, "--format=%(objectname) %(refname)");
1338 cmd
.env
= local_repo_env
;
1341 if (start_command(&cmd
))
1344 fh
= xfdopen(cmd
.out
, "r");
1345 while (strbuf_getline_lf(&line
, fh
) != EOF
) {
1346 struct object_id oid
;
1348 if (get_oid_hex(line
.buf
, &oid
) ||
1349 line
.buf
[GIT_SHA1_HEXSZ
] != ' ') {
1350 warning("invalid line while parsing alternate refs: %s",
1355 cb(line
.buf
+ GIT_SHA1_HEXSZ
+ 1, &oid
, data
);
1359 finish_command(&cmd
);
1362 struct alternate_refs_data
{
1363 alternate_ref_fn
*fn
;
1367 static int refs_from_alternate_cb(struct alternate_object_database
*e
,
1370 struct strbuf path
= STRBUF_INIT
;
1372 struct alternate_refs_data
*cb
= data
;
1374 if (!strbuf_realpath(&path
, e
->path
, 0))
1376 if (!strbuf_strip_suffix(&path
, "/objects"))
1378 base_len
= path
.len
;
1380 /* Is this a git repository with refs? */
1381 strbuf_addstr(&path
, "/refs");
1382 if (!is_directory(path
.buf
))
1384 strbuf_setlen(&path
, base_len
);
1386 read_alternate_refs(path
.buf
, cb
->fn
, cb
->data
);
1389 strbuf_release(&path
);
1393 void for_each_alternate_ref(alternate_ref_fn fn
, void *data
)
1395 struct alternate_refs_data cb
;
1398 foreach_alt_odb(refs_from_alternate_cb
, &cb
);