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(the_repository
, &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 void die_if_server_options(struct transport
*transport
)
257 if (!transport
->server_options
|| !transport
->server_options
->nr
)
259 advise(_("see protocol.version in 'git help config' for more details"));
260 die(_("server options require protocol version 2 or later"));
264 * Obtains the protocol version from the transport and writes it to
265 * transport->data->version, first connecting if not already connected.
267 * If the protocol version is one that allows skipping the listing of remote
268 * refs, and must_list_refs is 0, the listing of remote refs is skipped and
269 * this function returns NULL. Otherwise, this function returns the list of
272 static struct ref
*handshake(struct transport
*transport
, int for_push
,
273 const struct argv_array
*ref_prefixes
,
276 struct git_transport_data
*data
= transport
->data
;
277 struct ref
*refs
= NULL
;
278 struct packet_reader reader
;
280 connect_setup(transport
, for_push
);
282 packet_reader_init(&reader
, data
->fd
[0], NULL
, 0,
283 PACKET_READ_CHOMP_NEWLINE
|
284 PACKET_READ_GENTLE_ON_EOF
|
285 PACKET_READ_DIE_ON_ERR_PACKET
);
287 data
->version
= discover_version(&reader
);
288 switch (data
->version
) {
291 get_remote_refs(data
->fd
[1], &reader
, &refs
, for_push
,
293 transport
->server_options
);
297 die_if_server_options(transport
);
298 get_remote_heads(&reader
, &refs
,
299 for_push
? REF_NORMAL
: 0,
303 case protocol_unknown_version
:
304 BUG("unknown protocol version");
306 data
->got_remote_heads
= 1;
308 if (reader
.line_peeked
)
309 BUG("buffer must be empty at the end of handshake()");
314 static struct ref
*get_refs_via_connect(struct transport
*transport
, int for_push
,
315 const struct argv_array
*ref_prefixes
)
317 return handshake(transport
, for_push
, ref_prefixes
, 1);
320 static int fetch_refs_via_pack(struct transport
*transport
,
321 int nr_heads
, struct ref
**to_fetch
)
324 struct git_transport_data
*data
= transport
->data
;
325 struct ref
*refs
= NULL
;
326 char *dest
= xstrdup(transport
->url
);
327 struct fetch_pack_args args
;
328 struct ref
*refs_tmp
= NULL
;
330 memset(&args
, 0, sizeof(args
));
331 args
.uploadpack
= data
->options
.uploadpack
;
332 args
.keep_pack
= data
->options
.keep
;
334 args
.use_thin_pack
= data
->options
.thin
;
335 args
.include_tag
= data
->options
.followtags
;
336 args
.verbose
= (transport
->verbose
> 1);
337 args
.quiet
= (transport
->verbose
< 0);
338 args
.no_progress
= !transport
->progress
;
339 args
.depth
= data
->options
.depth
;
340 args
.deepen_since
= data
->options
.deepen_since
;
341 args
.deepen_not
= data
->options
.deepen_not
;
342 args
.deepen_relative
= data
->options
.deepen_relative
;
343 args
.check_self_contained_and_connected
=
344 data
->options
.check_self_contained_and_connected
;
345 args
.cloning
= transport
->cloning
;
346 args
.update_shallow
= data
->options
.update_shallow
;
347 args
.from_promisor
= data
->options
.from_promisor
;
348 args
.no_dependents
= data
->options
.no_dependents
;
349 args
.filter_options
= data
->options
.filter_options
;
350 args
.stateless_rpc
= transport
->stateless_rpc
;
351 args
.server_options
= transport
->server_options
;
352 args
.negotiation_tips
= data
->options
.negotiation_tips
;
354 if (!data
->got_remote_heads
) {
356 int must_list_refs
= 0;
357 for (i
= 0; i
< nr_heads
; i
++) {
358 if (!to_fetch
[i
]->exact_oid
) {
363 refs_tmp
= handshake(transport
, 0, NULL
, must_list_refs
);
366 switch (data
->version
) {
368 refs
= fetch_pack(&args
, data
->fd
, data
->conn
,
369 refs_tmp
? refs_tmp
: transport
->remote_refs
,
370 dest
, to_fetch
, nr_heads
, &data
->shallow
,
371 &transport
->pack_lockfile
, data
->version
);
375 die_if_server_options(transport
);
376 refs
= fetch_pack(&args
, data
->fd
, data
->conn
,
377 refs_tmp
? refs_tmp
: transport
->remote_refs
,
378 dest
, to_fetch
, nr_heads
, &data
->shallow
,
379 &transport
->pack_lockfile
, data
->version
);
381 case protocol_unknown_version
:
382 BUG("unknown protocol version");
387 if (finish_connect(data
->conn
))
390 data
->got_remote_heads
= 0;
391 data
->options
.self_contained_and_connected
=
392 args
.self_contained_and_connected
;
393 data
->options
.connectivity_checked
= args
.connectivity_checked
;
397 if (report_unmatched_refs(to_fetch
, nr_heads
))
406 static int push_had_errors(struct ref
*ref
)
408 for (; ref
; ref
= ref
->next
) {
409 switch (ref
->status
) {
410 case REF_STATUS_NONE
:
411 case REF_STATUS_UPTODATE
:
421 int transport_refs_pushed(struct ref
*ref
)
423 for (; ref
; ref
= ref
->next
) {
424 switch(ref
->status
) {
425 case REF_STATUS_NONE
:
426 case REF_STATUS_UPTODATE
:
435 void transport_update_tracking_ref(struct remote
*remote
, struct ref
*ref
, int verbose
)
437 struct refspec_item rs
;
439 if (ref
->status
!= REF_STATUS_OK
&& ref
->status
!= REF_STATUS_UPTODATE
)
445 if (!remote_find_tracking(remote
, &rs
)) {
447 fprintf(stderr
, "updating local tracking ref '%s'\n", rs
.dst
);
449 delete_ref(NULL
, rs
.dst
, NULL
, 0);
451 update_ref("update by push", rs
.dst
, &ref
->new_oid
,
457 static void print_ref_status(char flag
, const char *summary
,
458 struct ref
*to
, struct ref
*from
, const char *msg
,
459 int porcelain
, int summary_width
)
463 fprintf(stdout
, "%c\t%s:%s\t", flag
, from
->name
, to
->name
);
465 fprintf(stdout
, "%c\t:%s\t", flag
, to
->name
);
467 fprintf(stdout
, "%s (%s)\n", summary
, msg
);
469 fprintf(stdout
, "%s\n", summary
);
471 const char *red
= "", *reset
= "";
472 if (push_had_errors(to
)) {
473 red
= transport_get_color(TRANSPORT_COLOR_REJECTED
);
474 reset
= transport_get_color(TRANSPORT_COLOR_RESET
);
476 fprintf(stderr
, " %s%c %-*s%s ", red
, flag
, summary_width
,
479 fprintf(stderr
, "%s -> %s", prettify_refname(from
->name
), prettify_refname(to
->name
));
481 fputs(prettify_refname(to
->name
), stderr
);
491 static void print_ok_ref_status(struct ref
*ref
, int porcelain
, int summary_width
)
494 print_ref_status('-', "[deleted]", ref
, NULL
, NULL
,
495 porcelain
, summary_width
);
496 else if (is_null_oid(&ref
->old_oid
))
497 print_ref_status('*',
498 (starts_with(ref
->name
, "refs/tags/") ? "[new tag]" :
500 ref
, ref
->peer_ref
, NULL
, porcelain
, summary_width
);
502 struct strbuf quickref
= STRBUF_INIT
;
506 strbuf_add_unique_abbrev(&quickref
, &ref
->old_oid
,
508 if (ref
->forced_update
) {
509 strbuf_addstr(&quickref
, "...");
511 msg
= "forced update";
513 strbuf_addstr(&quickref
, "..");
517 strbuf_add_unique_abbrev(&quickref
, &ref
->new_oid
,
520 print_ref_status(type
, quickref
.buf
, ref
, ref
->peer_ref
, msg
,
521 porcelain
, summary_width
);
522 strbuf_release(&quickref
);
526 static int print_one_push_status(struct ref
*ref
, const char *dest
, int count
,
527 int porcelain
, int summary_width
)
530 char *url
= transport_anonymize_url(dest
);
531 fprintf(porcelain
? stdout
: stderr
, "To %s\n", url
);
535 switch(ref
->status
) {
536 case REF_STATUS_NONE
:
537 print_ref_status('X', "[no match]", ref
, NULL
, NULL
,
538 porcelain
, summary_width
);
540 case REF_STATUS_REJECT_NODELETE
:
541 print_ref_status('!', "[rejected]", ref
, NULL
,
542 "remote does not support deleting refs",
543 porcelain
, summary_width
);
545 case REF_STATUS_UPTODATE
:
546 print_ref_status('=', "[up to date]", ref
,
547 ref
->peer_ref
, NULL
, porcelain
, summary_width
);
549 case REF_STATUS_REJECT_NONFASTFORWARD
:
550 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
551 "non-fast-forward", porcelain
, summary_width
);
553 case REF_STATUS_REJECT_ALREADY_EXISTS
:
554 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
555 "already exists", porcelain
, summary_width
);
557 case REF_STATUS_REJECT_FETCH_FIRST
:
558 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
559 "fetch first", porcelain
, summary_width
);
561 case REF_STATUS_REJECT_NEEDS_FORCE
:
562 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
563 "needs force", porcelain
, summary_width
);
565 case REF_STATUS_REJECT_STALE
:
566 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
567 "stale info", porcelain
, summary_width
);
569 case REF_STATUS_REJECT_SHALLOW
:
570 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
571 "new shallow roots not allowed",
572 porcelain
, summary_width
);
574 case REF_STATUS_REMOTE_REJECT
:
575 print_ref_status('!', "[remote rejected]", ref
,
576 ref
->deletion
? NULL
: ref
->peer_ref
,
577 ref
->remote_status
, porcelain
, summary_width
);
579 case REF_STATUS_EXPECTING_REPORT
:
580 print_ref_status('!', "[remote failure]", ref
,
581 ref
->deletion
? NULL
: ref
->peer_ref
,
582 "remote failed to report status",
583 porcelain
, summary_width
);
585 case REF_STATUS_ATOMIC_PUSH_FAILED
:
586 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
587 "atomic push failed", porcelain
, summary_width
);
590 print_ok_ref_status(ref
, porcelain
, summary_width
);
597 static int measure_abbrev(const struct object_id
*oid
, int sofar
)
599 char hex
[GIT_MAX_HEXSZ
+ 1];
600 int w
= find_unique_abbrev_r(hex
, oid
, DEFAULT_ABBREV
);
602 return (w
< sofar
) ? sofar
: w
;
605 int transport_summary_width(const struct ref
*refs
)
609 for (; refs
; refs
= refs
->next
) {
610 maxw
= measure_abbrev(&refs
->old_oid
, maxw
);
611 maxw
= measure_abbrev(&refs
->new_oid
, maxw
);
614 maxw
= FALLBACK_DEFAULT_ABBREV
;
615 return (2 * maxw
+ 3);
618 void transport_print_push_status(const char *dest
, struct ref
*refs
,
619 int verbose
, int porcelain
, unsigned int *reject_reasons
)
624 int summary_width
= transport_summary_width(refs
);
626 if (transport_color_config() < 0)
627 warning(_("could not parse transport.color.* config"));
629 head
= resolve_refdup("HEAD", RESOLVE_REF_READING
, NULL
, NULL
);
632 for (ref
= refs
; ref
; ref
= ref
->next
)
633 if (ref
->status
== REF_STATUS_UPTODATE
)
634 n
+= print_one_push_status(ref
, dest
, n
,
635 porcelain
, summary_width
);
638 for (ref
= refs
; ref
; ref
= ref
->next
)
639 if (ref
->status
== REF_STATUS_OK
)
640 n
+= print_one_push_status(ref
, dest
, n
,
641 porcelain
, summary_width
);
644 for (ref
= refs
; ref
; ref
= ref
->next
) {
645 if (ref
->status
!= REF_STATUS_NONE
&&
646 ref
->status
!= REF_STATUS_UPTODATE
&&
647 ref
->status
!= REF_STATUS_OK
)
648 n
+= print_one_push_status(ref
, dest
, n
,
649 porcelain
, summary_width
);
650 if (ref
->status
== REF_STATUS_REJECT_NONFASTFORWARD
) {
651 if (head
!= NULL
&& !strcmp(head
, ref
->name
))
652 *reject_reasons
|= REJECT_NON_FF_HEAD
;
654 *reject_reasons
|= REJECT_NON_FF_OTHER
;
655 } else if (ref
->status
== REF_STATUS_REJECT_ALREADY_EXISTS
) {
656 *reject_reasons
|= REJECT_ALREADY_EXISTS
;
657 } else if (ref
->status
== REF_STATUS_REJECT_FETCH_FIRST
) {
658 *reject_reasons
|= REJECT_FETCH_FIRST
;
659 } else if (ref
->status
== REF_STATUS_REJECT_NEEDS_FORCE
) {
660 *reject_reasons
|= REJECT_NEEDS_FORCE
;
666 static int git_transport_push(struct transport
*transport
, struct ref
*remote_refs
, int flags
)
668 struct git_transport_data
*data
= transport
->data
;
669 struct send_pack_args args
;
672 if (transport_color_config() < 0)
675 if (!data
->got_remote_heads
)
676 get_refs_via_connect(transport
, 1, NULL
);
678 memset(&args
, 0, sizeof(args
));
679 args
.send_mirror
= !!(flags
& TRANSPORT_PUSH_MIRROR
);
680 args
.force_update
= !!(flags
& TRANSPORT_PUSH_FORCE
);
681 args
.use_thin_pack
= data
->options
.thin
;
682 args
.verbose
= (transport
->verbose
> 0);
683 args
.quiet
= (transport
->verbose
< 0);
684 args
.progress
= transport
->progress
;
685 args
.dry_run
= !!(flags
& TRANSPORT_PUSH_DRY_RUN
);
686 args
.porcelain
= !!(flags
& TRANSPORT_PUSH_PORCELAIN
);
687 args
.atomic
= !!(flags
& TRANSPORT_PUSH_ATOMIC
);
688 args
.push_options
= transport
->push_options
;
689 args
.url
= transport
->url
;
691 if (flags
& TRANSPORT_PUSH_CERT_ALWAYS
)
692 args
.push_cert
= SEND_PACK_PUSH_CERT_ALWAYS
;
693 else if (flags
& TRANSPORT_PUSH_CERT_IF_ASKED
)
694 args
.push_cert
= SEND_PACK_PUSH_CERT_IF_ASKED
;
696 args
.push_cert
= SEND_PACK_PUSH_CERT_NEVER
;
698 switch (data
->version
) {
700 die(_("support for protocol v2 not implemented yet"));
704 ret
= send_pack(&args
, data
->fd
, data
->conn
, remote_refs
,
707 case protocol_unknown_version
:
708 BUG("unknown protocol version");
713 ret
|= finish_connect(data
->conn
);
715 data
->got_remote_heads
= 0;
720 static int connect_git(struct transport
*transport
, const char *name
,
721 const char *executable
, int fd
[2])
723 struct git_transport_data
*data
= transport
->data
;
724 data
->conn
= git_connect(data
->fd
, transport
->url
,
731 static int disconnect_git(struct transport
*transport
)
733 struct git_transport_data
*data
= transport
->data
;
735 if (data
->got_remote_heads
)
736 packet_flush(data
->fd
[1]);
739 finish_connect(data
->conn
);
746 static struct transport_vtable taken_over_vtable
= {
749 get_refs_via_connect
,
756 void transport_take_over(struct transport
*transport
,
757 struct child_process
*child
)
759 struct git_transport_data
*data
;
761 if (!transport
->smart_options
)
762 BUG("taking over transport requires non-NULL "
763 "smart_options field.");
765 data
= xcalloc(1, sizeof(*data
));
766 data
->options
= *transport
->smart_options
;
768 data
->fd
[0] = data
->conn
->out
;
769 data
->fd
[1] = data
->conn
->in
;
770 data
->got_remote_heads
= 0;
771 transport
->data
= data
;
773 transport
->vtable
= &taken_over_vtable
;
774 transport
->smart_options
= &(data
->options
);
776 transport
->cannot_reuse
= 1;
779 static int is_file(const char *url
)
784 return S_ISREG(buf
.st_mode
);
787 static int external_specification_len(const char *url
)
789 return strchr(url
, ':') - url
;
792 static const struct string_list
*protocol_whitelist(void)
794 static int enabled
= -1;
795 static struct string_list allowed
= STRING_LIST_INIT_DUP
;
798 const char *v
= getenv("GIT_ALLOW_PROTOCOL");
800 string_list_split(&allowed
, v
, ':', -1);
801 string_list_sort(&allowed
);
808 return enabled
? &allowed
: NULL
;
811 enum protocol_allow_config
{
812 PROTOCOL_ALLOW_NEVER
= 0,
813 PROTOCOL_ALLOW_USER_ONLY
,
814 PROTOCOL_ALLOW_ALWAYS
817 static enum protocol_allow_config
parse_protocol_config(const char *key
,
820 if (!strcasecmp(value
, "always"))
821 return PROTOCOL_ALLOW_ALWAYS
;
822 else if (!strcasecmp(value
, "never"))
823 return PROTOCOL_ALLOW_NEVER
;
824 else if (!strcasecmp(value
, "user"))
825 return PROTOCOL_ALLOW_USER_ONLY
;
827 die(_("unknown value for config '%s': %s"), key
, value
);
830 static enum protocol_allow_config
get_protocol_config(const char *type
)
832 char *key
= xstrfmt("protocol.%s.allow", type
);
835 /* first check the per-protocol config */
836 if (!git_config_get_string(key
, &value
)) {
837 enum protocol_allow_config ret
=
838 parse_protocol_config(key
, value
);
845 /* if defined, fallback to user-defined default for unknown protocols */
846 if (!git_config_get_string("protocol.allow", &value
)) {
847 enum protocol_allow_config ret
=
848 parse_protocol_config("protocol.allow", value
);
853 /* fallback to built-in defaults */
855 if (!strcmp(type
, "http") ||
856 !strcmp(type
, "https") ||
857 !strcmp(type
, "git") ||
858 !strcmp(type
, "ssh") ||
859 !strcmp(type
, "file"))
860 return PROTOCOL_ALLOW_ALWAYS
;
862 /* known scary; err on the side of caution */
863 if (!strcmp(type
, "ext"))
864 return PROTOCOL_ALLOW_NEVER
;
866 /* unknown; by default let them be used only directly by the user */
867 return PROTOCOL_ALLOW_USER_ONLY
;
870 int is_transport_allowed(const char *type
, int from_user
)
872 const struct string_list
*whitelist
= protocol_whitelist();
874 return string_list_has_string(whitelist
, type
);
876 switch (get_protocol_config(type
)) {
877 case PROTOCOL_ALLOW_ALWAYS
:
879 case PROTOCOL_ALLOW_NEVER
:
881 case PROTOCOL_ALLOW_USER_ONLY
:
883 from_user
= git_env_bool("GIT_PROTOCOL_FROM_USER", 1);
887 BUG("invalid protocol_allow_config type");
890 void transport_check_allowed(const char *type
)
892 if (!is_transport_allowed(type
, -1))
893 die(_("transport '%s' not allowed"), type
);
896 static struct transport_vtable bundle_vtable
= {
899 get_refs_from_bundle
,
900 fetch_refs_from_bundle
,
906 static struct transport_vtable builtin_smart_vtable
= {
909 get_refs_via_connect
,
916 struct transport
*transport_get(struct remote
*remote
, const char *url
)
919 struct transport
*ret
= xcalloc(1, sizeof(*ret
));
921 ret
->progress
= isatty(2);
924 BUG("No remote provided to transport_get()");
926 ret
->got_remote_refs
= 0;
927 ret
->remote
= remote
;
928 helper
= remote
->foreign_vcs
;
930 if (!url
&& remote
->url
)
931 url
= remote
->url
[0];
934 /* maybe it is a foreign URL? */
938 while (is_urlschemechar(p
== url
, *p
))
940 if (starts_with(p
, "::"))
941 helper
= xstrndup(url
, p
- url
);
945 transport_helper_init(ret
, helper
);
946 } else if (starts_with(url
, "rsync:")) {
947 die(_("git-over-rsync is no longer supported"));
948 } else if (url_is_local_not_ssh(url
) && is_file(url
) && is_bundle(url
, 1)) {
949 struct bundle_transport_data
*data
= xcalloc(1, sizeof(*data
));
950 transport_check_allowed("file");
952 ret
->vtable
= &bundle_vtable
;
953 ret
->smart_options
= NULL
;
954 } else if (!is_url(url
)
955 || starts_with(url
, "file://")
956 || starts_with(url
, "git://")
957 || starts_with(url
, "ssh://")
958 || starts_with(url
, "git+ssh://") /* deprecated - do not use */
959 || starts_with(url
, "ssh+git://") /* deprecated - do not use */
962 * These are builtin smart transports; "allowed" transports
963 * will be checked individually in git_connect.
965 struct git_transport_data
*data
= xcalloc(1, sizeof(*data
));
967 ret
->vtable
= &builtin_smart_vtable
;
968 ret
->smart_options
= &(data
->options
);
971 data
->got_remote_heads
= 0;
973 /* Unknown protocol in URL. Pass to external handler. */
974 int len
= external_specification_len(url
);
975 char *handler
= xmemdupz(url
, len
);
976 transport_helper_init(ret
, handler
);
979 if (ret
->smart_options
) {
980 ret
->smart_options
->thin
= 1;
981 ret
->smart_options
->uploadpack
= "git-upload-pack";
982 if (remote
->uploadpack
)
983 ret
->smart_options
->uploadpack
= remote
->uploadpack
;
984 ret
->smart_options
->receivepack
= "git-receive-pack";
985 if (remote
->receivepack
)
986 ret
->smart_options
->receivepack
= remote
->receivepack
;
992 int transport_set_option(struct transport
*transport
,
993 const char *name
, const char *value
)
995 int git_reports
= 1, protocol_reports
= 1;
997 if (transport
->smart_options
)
998 git_reports
= set_git_option(transport
->smart_options
,
1001 if (transport
->vtable
->set_option
)
1002 protocol_reports
= transport
->vtable
->set_option(transport
,
1005 /* If either report is 0, report 0 (success). */
1006 if (!git_reports
|| !protocol_reports
)
1008 /* If either reports -1 (invalid value), report -1. */
1009 if ((git_reports
== -1) || (protocol_reports
== -1))
1011 /* Otherwise if both report unknown, report unknown. */
1015 void transport_set_verbosity(struct transport
*transport
, int verbosity
,
1019 transport
->verbose
= verbosity
<= 3 ? verbosity
: 3;
1021 transport
->verbose
= -1;
1024 * Rules used to determine whether to report progress (processing aborts
1025 * when a rule is satisfied):
1027 * . Report progress, if force_progress is 1 (ie. --progress).
1028 * . Don't report progress, if force_progress is 0 (ie. --no-progress).
1029 * . Don't report progress, if verbosity < 0 (ie. -q/--quiet ).
1030 * . Report progress if isatty(2) is 1.
1032 if (force_progress
>= 0)
1033 transport
->progress
= !!force_progress
;
1035 transport
->progress
= verbosity
>= 0 && isatty(2);
1038 static void die_with_unpushed_submodules(struct string_list
*needs_pushing
)
1042 fprintf(stderr
, _("The following submodule paths contain changes that can\n"
1043 "not be found on any remote:\n"));
1044 for (i
= 0; i
< needs_pushing
->nr
; i
++)
1045 fprintf(stderr
, " %s\n", needs_pushing
->items
[i
].string
);
1046 fprintf(stderr
, _("\nPlease try\n\n"
1047 " git push --recurse-submodules=on-demand\n\n"
1048 "or cd to the path and use\n\n"
1050 "to push them to a remote.\n\n"));
1052 string_list_clear(needs_pushing
, 0);
1054 die(_("Aborting."));
1057 static int run_pre_push_hook(struct transport
*transport
,
1058 struct ref
*remote_refs
)
1062 struct child_process proc
= CHILD_PROCESS_INIT
;
1064 const char *argv
[4];
1066 if (!(argv
[0] = find_hook("pre-push")))
1069 argv
[1] = transport
->remote
->name
;
1070 argv
[2] = transport
->url
;
1076 if (start_command(&proc
)) {
1077 finish_command(&proc
);
1081 sigchain_push(SIGPIPE
, SIG_IGN
);
1083 strbuf_init(&buf
, 256);
1085 for (r
= remote_refs
; r
; r
= r
->next
) {
1086 if (!r
->peer_ref
) continue;
1087 if (r
->status
== REF_STATUS_REJECT_NONFASTFORWARD
) continue;
1088 if (r
->status
== REF_STATUS_REJECT_STALE
) continue;
1089 if (r
->status
== REF_STATUS_UPTODATE
) continue;
1092 strbuf_addf( &buf
, "%s %s %s %s\n",
1093 r
->peer_ref
->name
, oid_to_hex(&r
->new_oid
),
1094 r
->name
, oid_to_hex(&r
->old_oid
));
1096 if (write_in_full(proc
.in
, buf
.buf
, buf
.len
) < 0) {
1097 /* We do not mind if a hook does not read all refs. */
1104 strbuf_release(&buf
);
1110 sigchain_pop(SIGPIPE
);
1112 x
= finish_command(&proc
);
1119 int transport_push(struct repository
*r
,
1120 struct transport
*transport
,
1121 struct refspec
*rs
, int flags
,
1122 unsigned int *reject_reasons
)
1124 *reject_reasons
= 0;
1126 if (transport_color_config() < 0)
1129 if (transport
->vtable
->push_refs
) {
1130 struct ref
*remote_refs
;
1131 struct ref
*local_refs
= get_local_heads();
1132 int match_flags
= MATCH_REFS_NONE
;
1133 int verbose
= (transport
->verbose
> 0);
1134 int quiet
= (transport
->verbose
< 0);
1135 int porcelain
= flags
& TRANSPORT_PUSH_PORCELAIN
;
1136 int pretend
= flags
& TRANSPORT_PUSH_DRY_RUN
;
1137 int push_ret
, ret
, err
;
1138 struct argv_array ref_prefixes
= ARGV_ARRAY_INIT
;
1140 if (check_push_refs(local_refs
, rs
) < 0)
1143 refspec_ref_prefixes(rs
, &ref_prefixes
);
1145 remote_refs
= transport
->vtable
->get_refs_list(transport
, 1,
1148 argv_array_clear(&ref_prefixes
);
1150 if (flags
& TRANSPORT_PUSH_ALL
)
1151 match_flags
|= MATCH_REFS_ALL
;
1152 if (flags
& TRANSPORT_PUSH_MIRROR
)
1153 match_flags
|= MATCH_REFS_MIRROR
;
1154 if (flags
& TRANSPORT_PUSH_PRUNE
)
1155 match_flags
|= MATCH_REFS_PRUNE
;
1156 if (flags
& TRANSPORT_PUSH_FOLLOW_TAGS
)
1157 match_flags
|= MATCH_REFS_FOLLOW_TAGS
;
1159 if (match_push_refs(local_refs
, &remote_refs
, rs
, match_flags
))
1162 if (transport
->smart_options
&&
1163 transport
->smart_options
->cas
&&
1164 !is_empty_cas(transport
->smart_options
->cas
))
1165 apply_push_cas(transport
->smart_options
->cas
,
1166 transport
->remote
, remote_refs
);
1168 set_ref_status_for_push(remote_refs
,
1169 flags
& TRANSPORT_PUSH_MIRROR
,
1170 flags
& TRANSPORT_PUSH_FORCE
);
1172 if (!(flags
& TRANSPORT_PUSH_NO_HOOK
))
1173 if (run_pre_push_hook(transport
, remote_refs
))
1176 if ((flags
& (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND
|
1177 TRANSPORT_RECURSE_SUBMODULES_ONLY
)) &&
1178 !is_bare_repository()) {
1179 struct ref
*ref
= remote_refs
;
1180 struct oid_array commits
= OID_ARRAY_INIT
;
1182 for (; ref
; ref
= ref
->next
)
1183 if (!is_null_oid(&ref
->new_oid
))
1184 oid_array_append(&commits
,
1187 if (!push_unpushed_submodules(r
,
1191 transport
->push_options
,
1193 oid_array_clear(&commits
);
1194 die(_("failed to push all needed submodules"));
1196 oid_array_clear(&commits
);
1199 if (((flags
& TRANSPORT_RECURSE_SUBMODULES_CHECK
) ||
1200 ((flags
& (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND
|
1201 TRANSPORT_RECURSE_SUBMODULES_ONLY
)) &&
1202 !pretend
)) && !is_bare_repository()) {
1203 struct ref
*ref
= remote_refs
;
1204 struct string_list needs_pushing
= STRING_LIST_INIT_DUP
;
1205 struct oid_array commits
= OID_ARRAY_INIT
;
1207 for (; ref
; ref
= ref
->next
)
1208 if (!is_null_oid(&ref
->new_oid
))
1209 oid_array_append(&commits
,
1212 if (find_unpushed_submodules(r
,
1214 transport
->remote
->name
,
1216 oid_array_clear(&commits
);
1217 die_with_unpushed_submodules(&needs_pushing
);
1219 string_list_clear(&needs_pushing
, 0);
1220 oid_array_clear(&commits
);
1223 if (!(flags
& TRANSPORT_RECURSE_SUBMODULES_ONLY
))
1224 push_ret
= transport
->vtable
->push_refs(transport
, remote_refs
, flags
);
1227 err
= push_had_errors(remote_refs
);
1228 ret
= push_ret
| err
;
1231 transport_print_push_status(transport
->url
, remote_refs
,
1232 verbose
| porcelain
, porcelain
,
1235 if (flags
& TRANSPORT_PUSH_SET_UPSTREAM
)
1236 set_upstreams(transport
, remote_refs
, pretend
);
1238 if (!(flags
& (TRANSPORT_PUSH_DRY_RUN
|
1239 TRANSPORT_RECURSE_SUBMODULES_ONLY
))) {
1241 for (ref
= remote_refs
; ref
; ref
= ref
->next
)
1242 transport_update_tracking_ref(transport
->remote
, ref
, verbose
);
1245 if (porcelain
&& !push_ret
)
1247 else if (!quiet
&& !ret
&& !transport_refs_pushed(remote_refs
))
1248 fprintf(stderr
, "Everything up-to-date\n");
1255 const struct ref
*transport_get_remote_refs(struct transport
*transport
,
1256 const struct argv_array
*ref_prefixes
)
1258 if (!transport
->got_remote_refs
) {
1259 transport
->remote_refs
=
1260 transport
->vtable
->get_refs_list(transport
, 0,
1262 transport
->got_remote_refs
= 1;
1265 return transport
->remote_refs
;
1268 int transport_fetch_refs(struct transport
*transport
, struct ref
*refs
)
1271 int nr_heads
= 0, nr_alloc
= 0, nr_refs
= 0;
1272 struct ref
**heads
= NULL
;
1275 if (!transport
->vtable
->fetch_without_list
)
1277 * Some transports (e.g. the built-in bundle transport and the
1278 * transport helper interface) do not work when fetching is
1279 * done immediately after transport creation. List the remote
1280 * refs anyway (if not already listed) as a workaround.
1282 transport_get_remote_refs(transport
, NULL
);
1284 for (rm
= refs
; rm
; rm
= rm
->next
) {
1287 !is_null_oid(&rm
->old_oid
) &&
1288 oideq(&rm
->peer_ref
->old_oid
, &rm
->old_oid
))
1290 ALLOC_GROW(heads
, nr_heads
+ 1, nr_alloc
);
1291 heads
[nr_heads
++] = rm
;
1296 * When deepening of a shallow repository is requested,
1297 * then local and remote refs are likely to still be equal.
1298 * Just feed them all to the fetch method in that case.
1299 * This condition shouldn't be met in a non-deepening fetch
1300 * (see builtin/fetch.c:quickfetch()).
1302 ALLOC_ARRAY(heads
, nr_refs
);
1303 for (rm
= refs
; rm
; rm
= rm
->next
)
1304 heads
[nr_heads
++] = rm
;
1307 rc
= transport
->vtable
->fetch(transport
, nr_heads
, heads
);
1313 void transport_unlock_pack(struct transport
*transport
)
1315 if (transport
->pack_lockfile
) {
1316 unlink_or_warn(transport
->pack_lockfile
);
1317 FREE_AND_NULL(transport
->pack_lockfile
);
1321 int transport_connect(struct transport
*transport
, const char *name
,
1322 const char *exec
, int fd
[2])
1324 if (transport
->vtable
->connect
)
1325 return transport
->vtable
->connect(transport
, name
, exec
, fd
);
1327 die(_("operation not supported by protocol"));
1330 int transport_disconnect(struct transport
*transport
)
1333 if (transport
->vtable
->disconnect
)
1334 ret
= transport
->vtable
->disconnect(transport
);
1340 * Strip username (and password) from a URL and return
1341 * it in a newly allocated string.
1343 char *transport_anonymize_url(const char *url
)
1345 char *scheme_prefix
, *anon_part
;
1346 size_t anon_len
, prefix_len
= 0;
1348 anon_part
= strchr(url
, '@');
1349 if (url_is_local_not_ssh(url
) || !anon_part
)
1352 anon_len
= strlen(++anon_part
);
1353 scheme_prefix
= strstr(url
, "://");
1354 if (!scheme_prefix
) {
1355 if (!strchr(anon_part
, ':'))
1356 /* cannot be "me@there:/path/name" */
1360 /* make sure scheme is reasonable */
1361 for (cp
= url
; cp
< scheme_prefix
; cp
++) {
1364 case '+': case '.': case '-':
1373 /* @ past the first slash does not count */
1374 cp
= strchr(scheme_prefix
+ 3, '/');
1375 if (cp
&& cp
< anon_part
)
1377 prefix_len
= scheme_prefix
- url
+ 3;
1379 return xstrfmt("%.*s%.*s", (int)prefix_len
, url
,
1380 (int)anon_len
, anon_part
);
1382 return xstrdup(url
);
1385 static void fill_alternate_refs_command(struct child_process
*cmd
,
1386 const char *repo_path
)
1390 if (!git_config_get_value("core.alternateRefsCommand", &value
)) {
1393 argv_array_push(&cmd
->args
, value
);
1394 argv_array_push(&cmd
->args
, repo_path
);
1398 argv_array_pushf(&cmd
->args
, "--git-dir=%s", repo_path
);
1399 argv_array_push(&cmd
->args
, "for-each-ref");
1400 argv_array_push(&cmd
->args
, "--format=%(objectname)");
1402 if (!git_config_get_value("core.alternateRefsPrefixes", &value
)) {
1403 argv_array_push(&cmd
->args
, "--");
1404 argv_array_split(&cmd
->args
, value
);
1408 cmd
->env
= local_repo_env
;
1412 static void read_alternate_refs(const char *path
,
1413 alternate_ref_fn
*cb
,
1416 struct child_process cmd
= CHILD_PROCESS_INIT
;
1417 struct strbuf line
= STRBUF_INIT
;
1420 fill_alternate_refs_command(&cmd
, path
);
1422 if (start_command(&cmd
))
1425 fh
= xfdopen(cmd
.out
, "r");
1426 while (strbuf_getline_lf(&line
, fh
) != EOF
) {
1427 struct object_id oid
;
1430 if (parse_oid_hex(line
.buf
, &oid
, &p
) || *p
) {
1431 warning(_("invalid line while parsing alternate refs: %s"),
1440 finish_command(&cmd
);
1443 struct alternate_refs_data
{
1444 alternate_ref_fn
*fn
;
1448 static int refs_from_alternate_cb(struct object_directory
*e
,
1451 struct strbuf path
= STRBUF_INIT
;
1453 struct alternate_refs_data
*cb
= data
;
1455 if (!strbuf_realpath(&path
, e
->path
, 0))
1457 if (!strbuf_strip_suffix(&path
, "/objects"))
1459 base_len
= path
.len
;
1461 /* Is this a git repository with refs? */
1462 strbuf_addstr(&path
, "/refs");
1463 if (!is_directory(path
.buf
))
1465 strbuf_setlen(&path
, base_len
);
1467 read_alternate_refs(path
.buf
, cb
->fn
, cb
->data
);
1470 strbuf_release(&path
);
1474 void for_each_alternate_ref(alternate_ref_fn fn
, void *data
)
1476 struct alternate_refs_data cb
;
1479 foreach_alt_odb(refs_from_alternate_cb
, &cb
);