4 #include "run-command.h"
6 #include "fetch-pack.h"
17 #include "submodule.h"
18 #include "string-list.h"
19 #include "oid-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
;
125 unsigned get_refs_from_bundle_called
: 1;
128 static struct ref
*get_refs_from_bundle(struct transport
*transport
,
130 const struct argv_array
*ref_prefixes
)
132 struct bundle_transport_data
*data
= transport
->data
;
133 struct ref
*result
= NULL
;
139 data
->get_refs_from_bundle_called
= 1;
143 data
->fd
= read_bundle_header(transport
->url
, &data
->header
);
145 die(_("could not read bundle '%s'"), transport
->url
);
146 for (i
= 0; i
< data
->header
.references
.nr
; i
++) {
147 struct ref_list_entry
*e
= data
->header
.references
.list
+ i
;
148 struct ref
*ref
= alloc_ref(e
->name
);
149 oidcpy(&ref
->old_oid
, &e
->oid
);
156 static int fetch_refs_from_bundle(struct transport
*transport
,
157 int nr_heads
, struct ref
**to_fetch
)
159 struct bundle_transport_data
*data
= transport
->data
;
161 if (!data
->get_refs_from_bundle_called
)
162 get_refs_from_bundle(transport
, 0, NULL
);
163 return unbundle(the_repository
, &data
->header
, data
->fd
,
164 transport
->progress
? BUNDLE_VERBOSE
: 0);
167 static int close_bundle(struct transport
*transport
)
169 struct bundle_transport_data
*data
= transport
->data
;
176 struct git_transport_data
{
177 struct git_transport_options options
;
178 struct child_process
*conn
;
180 unsigned got_remote_heads
: 1;
181 enum protocol_version version
;
182 struct oid_array extra_have
;
183 struct oid_array shallow
;
186 static int set_git_option(struct git_transport_options
*opts
,
187 const char *name
, const char *value
)
189 if (!strcmp(name
, TRANS_OPT_UPLOADPACK
)) {
190 opts
->uploadpack
= value
;
192 } else if (!strcmp(name
, TRANS_OPT_RECEIVEPACK
)) {
193 opts
->receivepack
= value
;
195 } else if (!strcmp(name
, TRANS_OPT_THIN
)) {
196 opts
->thin
= !!value
;
198 } else if (!strcmp(name
, TRANS_OPT_FOLLOWTAGS
)) {
199 opts
->followtags
= !!value
;
201 } else if (!strcmp(name
, TRANS_OPT_KEEP
)) {
202 opts
->keep
= !!value
;
204 } else if (!strcmp(name
, TRANS_OPT_UPDATE_SHALLOW
)) {
205 opts
->update_shallow
= !!value
;
207 } else if (!strcmp(name
, TRANS_OPT_DEPTH
)) {
212 opts
->depth
= strtol(value
, &end
, 0);
214 die(_("transport: invalid depth option '%s'"), value
);
217 } else if (!strcmp(name
, TRANS_OPT_DEEPEN_SINCE
)) {
218 opts
->deepen_since
= value
;
220 } else if (!strcmp(name
, TRANS_OPT_DEEPEN_NOT
)) {
221 opts
->deepen_not
= (const struct string_list
*)value
;
223 } else if (!strcmp(name
, TRANS_OPT_DEEPEN_RELATIVE
)) {
224 opts
->deepen_relative
= !!value
;
226 } else if (!strcmp(name
, TRANS_OPT_FROM_PROMISOR
)) {
227 opts
->from_promisor
= !!value
;
229 } else if (!strcmp(name
, TRANS_OPT_NO_DEPENDENTS
)) {
230 opts
->no_dependents
= !!value
;
232 } else if (!strcmp(name
, TRANS_OPT_LIST_OBJECTS_FILTER
)) {
233 list_objects_filter_die_if_populated(&opts
->filter_options
);
234 parse_list_objects_filter(&opts
->filter_options
, value
);
240 static int connect_setup(struct transport
*transport
, int for_push
)
242 struct git_transport_data
*data
= transport
->data
;
243 int flags
= transport
->verbose
> 0 ? CONNECT_VERBOSE
: 0;
248 switch (transport
->family
) {
249 case TRANSPORT_FAMILY_ALL
: break;
250 case TRANSPORT_FAMILY_IPV4
: flags
|= CONNECT_IPV4
; break;
251 case TRANSPORT_FAMILY_IPV6
: flags
|= CONNECT_IPV6
; break;
254 data
->conn
= git_connect(data
->fd
, transport
->url
,
255 for_push
? data
->options
.receivepack
:
256 data
->options
.uploadpack
,
262 static void die_if_server_options(struct transport
*transport
)
264 if (!transport
->server_options
|| !transport
->server_options
->nr
)
266 advise(_("see protocol.version in 'git help config' for more details"));
267 die(_("server options require protocol version 2 or later"));
271 * Obtains the protocol version from the transport and writes it to
272 * transport->data->version, first connecting if not already connected.
274 * If the protocol version is one that allows skipping the listing of remote
275 * refs, and must_list_refs is 0, the listing of remote refs is skipped and
276 * this function returns NULL. Otherwise, this function returns the list of
279 static struct ref
*handshake(struct transport
*transport
, int for_push
,
280 const struct argv_array
*ref_prefixes
,
283 struct git_transport_data
*data
= transport
->data
;
284 struct ref
*refs
= NULL
;
285 struct packet_reader reader
;
287 connect_setup(transport
, for_push
);
289 packet_reader_init(&reader
, data
->fd
[0], NULL
, 0,
290 PACKET_READ_CHOMP_NEWLINE
|
291 PACKET_READ_GENTLE_ON_EOF
|
292 PACKET_READ_DIE_ON_ERR_PACKET
);
294 data
->version
= discover_version(&reader
);
295 switch (data
->version
) {
298 get_remote_refs(data
->fd
[1], &reader
, &refs
, for_push
,
300 transport
->server_options
);
304 die_if_server_options(transport
);
305 get_remote_heads(&reader
, &refs
,
306 for_push
? REF_NORMAL
: 0,
310 case protocol_unknown_version
:
311 BUG("unknown protocol version");
313 data
->got_remote_heads
= 1;
315 if (reader
.line_peeked
)
316 BUG("buffer must be empty at the end of handshake()");
321 static struct ref
*get_refs_via_connect(struct transport
*transport
, int for_push
,
322 const struct argv_array
*ref_prefixes
)
324 return handshake(transport
, for_push
, ref_prefixes
, 1);
327 static int fetch_refs_via_pack(struct transport
*transport
,
328 int nr_heads
, struct ref
**to_fetch
)
331 struct git_transport_data
*data
= transport
->data
;
332 struct ref
*refs
= NULL
;
333 struct fetch_pack_args args
;
334 struct ref
*refs_tmp
= NULL
;
336 memset(&args
, 0, sizeof(args
));
337 args
.uploadpack
= data
->options
.uploadpack
;
338 args
.keep_pack
= data
->options
.keep
;
340 args
.use_thin_pack
= data
->options
.thin
;
341 args
.include_tag
= data
->options
.followtags
;
342 args
.verbose
= (transport
->verbose
> 1);
343 args
.quiet
= (transport
->verbose
< 0);
344 args
.no_progress
= !transport
->progress
;
345 args
.depth
= data
->options
.depth
;
346 args
.deepen_since
= data
->options
.deepen_since
;
347 args
.deepen_not
= data
->options
.deepen_not
;
348 args
.deepen_relative
= data
->options
.deepen_relative
;
349 args
.check_self_contained_and_connected
=
350 data
->options
.check_self_contained_and_connected
;
351 args
.cloning
= transport
->cloning
;
352 args
.update_shallow
= data
->options
.update_shallow
;
353 args
.from_promisor
= data
->options
.from_promisor
;
354 args
.no_dependents
= data
->options
.no_dependents
;
355 args
.filter_options
= data
->options
.filter_options
;
356 args
.stateless_rpc
= transport
->stateless_rpc
;
357 args
.server_options
= transport
->server_options
;
358 args
.negotiation_tips
= data
->options
.negotiation_tips
;
360 if (!data
->got_remote_heads
) {
362 int must_list_refs
= 0;
363 for (i
= 0; i
< nr_heads
; i
++) {
364 if (!to_fetch
[i
]->exact_oid
) {
369 refs_tmp
= handshake(transport
, 0, NULL
, must_list_refs
);
372 switch (data
->version
) {
374 refs
= fetch_pack(&args
, data
->fd
,
375 refs_tmp
? refs_tmp
: transport
->remote_refs
,
376 to_fetch
, nr_heads
, &data
->shallow
,
377 &transport
->pack_lockfile
, data
->version
);
381 die_if_server_options(transport
);
382 refs
= fetch_pack(&args
, data
->fd
,
383 refs_tmp
? refs_tmp
: transport
->remote_refs
,
384 to_fetch
, nr_heads
, &data
->shallow
,
385 &transport
->pack_lockfile
, data
->version
);
387 case protocol_unknown_version
:
388 BUG("unknown protocol version");
393 if (finish_connect(data
->conn
))
396 data
->got_remote_heads
= 0;
397 data
->options
.self_contained_and_connected
=
398 args
.self_contained_and_connected
;
399 data
->options
.connectivity_checked
= args
.connectivity_checked
;
403 if (report_unmatched_refs(to_fetch
, nr_heads
))
411 static int push_had_errors(struct ref
*ref
)
413 for (; ref
; ref
= ref
->next
) {
414 switch (ref
->status
) {
415 case REF_STATUS_NONE
:
416 case REF_STATUS_UPTODATE
:
426 int transport_refs_pushed(struct ref
*ref
)
428 for (; ref
; ref
= ref
->next
) {
429 switch(ref
->status
) {
430 case REF_STATUS_NONE
:
431 case REF_STATUS_UPTODATE
:
440 static void update_one_tracking_ref(struct remote
*remote
, char *refname
,
441 struct object_id
*new_oid
, int deletion
,
444 struct refspec_item rs
;
449 if (!remote_find_tracking(remote
, &rs
)) {
451 fprintf(stderr
, "updating local tracking ref '%s'\n", rs
.dst
);
453 delete_ref(NULL
, rs
.dst
, NULL
, 0);
455 update_ref("update by push", rs
.dst
, new_oid
,
461 void transport_update_tracking_ref(struct remote
*remote
, struct ref
*ref
, int verbose
)
464 struct object_id
*new_oid
;
465 struct ref_push_report
*report
;
467 if (ref
->status
!= REF_STATUS_OK
&& ref
->status
!= REF_STATUS_UPTODATE
)
470 report
= ref
->report
;
472 update_one_tracking_ref(remote
, ref
->name
, &ref
->new_oid
,
473 ref
->deletion
, verbose
);
475 for (; report
; report
= report
->next
) {
476 refname
= report
->ref_name
? (char *)report
->ref_name
: ref
->name
;
477 new_oid
= report
->new_oid
? report
->new_oid
: &ref
->new_oid
;
478 update_one_tracking_ref(remote
, refname
, new_oid
,
479 is_null_oid(new_oid
), verbose
);
483 static void print_ref_status(char flag
, const char *summary
,
484 struct ref
*to
, struct ref
*from
, const char *msg
,
485 struct ref_push_report
*report
,
486 int porcelain
, int summary_width
)
490 if (report
&& report
->ref_name
)
491 to_name
= report
->ref_name
;
497 fprintf(stdout
, "%c\t%s:%s\t", flag
, from
->name
, to_name
);
499 fprintf(stdout
, "%c\t:%s\t", flag
, to_name
);
501 fprintf(stdout
, "%s (%s)\n", summary
, msg
);
503 fprintf(stdout
, "%s\n", summary
);
505 const char *red
= "", *reset
= "";
506 if (push_had_errors(to
)) {
507 red
= transport_get_color(TRANSPORT_COLOR_REJECTED
);
508 reset
= transport_get_color(TRANSPORT_COLOR_RESET
);
510 fprintf(stderr
, " %s%c %-*s%s ", red
, flag
, summary_width
,
513 fprintf(stderr
, "%s -> %s",
514 prettify_refname(from
->name
),
515 prettify_refname(to_name
));
517 fputs(prettify_refname(to_name
), stderr
);
527 static void print_ok_ref_status(struct ref
*ref
,
528 struct ref_push_report
*report
,
529 int porcelain
, int summary_width
)
531 struct object_id
*old_oid
;
532 struct object_id
*new_oid
;
533 const char *ref_name
;
536 if (report
&& report
->old_oid
)
537 old_oid
= report
->old_oid
;
539 old_oid
= &ref
->old_oid
;
540 if (report
&& report
->new_oid
)
541 new_oid
= report
->new_oid
;
543 new_oid
= &ref
->new_oid
;
544 if (report
&& report
->forced_update
)
545 forced_update
= report
->forced_update
;
547 forced_update
= ref
->forced_update
;
548 if (report
&& report
->ref_name
)
549 ref_name
= report
->ref_name
;
551 ref_name
= ref
->name
;
554 print_ref_status('-', "[deleted]", ref
, NULL
, NULL
,
555 report
, porcelain
, summary_width
);
556 else if (is_null_oid(old_oid
))
557 print_ref_status('*',
558 (starts_with(ref_name
, "refs/tags/")
560 : (starts_with(ref_name
, "refs/heads/")
562 : "[new reference]")),
563 ref
, ref
->peer_ref
, NULL
,
564 report
, porcelain
, summary_width
);
566 struct strbuf quickref
= STRBUF_INIT
;
570 strbuf_add_unique_abbrev(&quickref
, old_oid
,
573 strbuf_addstr(&quickref
, "...");
575 msg
= "forced update";
577 strbuf_addstr(&quickref
, "..");
581 strbuf_add_unique_abbrev(&quickref
, new_oid
,
584 print_ref_status(type
, quickref
.buf
, ref
, ref
->peer_ref
, msg
,
585 report
, porcelain
, summary_width
);
586 strbuf_release(&quickref
);
590 static int print_one_push_report(struct ref
*ref
, const char *dest
, int count
,
591 struct ref_push_report
*report
,
592 int porcelain
, int summary_width
)
595 char *url
= transport_anonymize_url(dest
);
596 fprintf(porcelain
? stdout
: stderr
, "To %s\n", url
);
600 switch(ref
->status
) {
601 case REF_STATUS_NONE
:
602 print_ref_status('X', "[no match]", ref
, NULL
, NULL
,
603 report
, porcelain
, summary_width
);
605 case REF_STATUS_REJECT_NODELETE
:
606 print_ref_status('!', "[rejected]", ref
, NULL
,
607 "remote does not support deleting refs",
608 report
, porcelain
, summary_width
);
610 case REF_STATUS_UPTODATE
:
611 print_ref_status('=', "[up to date]", ref
,
613 report
, porcelain
, summary_width
);
615 case REF_STATUS_REJECT_NONFASTFORWARD
:
616 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
618 report
, porcelain
, summary_width
);
620 case REF_STATUS_REJECT_ALREADY_EXISTS
:
621 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
623 report
, porcelain
, summary_width
);
625 case REF_STATUS_REJECT_FETCH_FIRST
:
626 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
628 report
, porcelain
, summary_width
);
630 case REF_STATUS_REJECT_NEEDS_FORCE
:
631 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
633 report
, porcelain
, summary_width
);
635 case REF_STATUS_REJECT_STALE
:
636 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
638 report
, porcelain
, summary_width
);
640 case REF_STATUS_REJECT_SHALLOW
:
641 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
642 "new shallow roots not allowed",
643 report
, porcelain
, summary_width
);
645 case REF_STATUS_REMOTE_REJECT
:
646 print_ref_status('!', "[remote rejected]", ref
,
647 ref
->deletion
? NULL
: ref
->peer_ref
,
649 report
, porcelain
, summary_width
);
651 case REF_STATUS_EXPECTING_REPORT
:
652 print_ref_status('!', "[remote failure]", ref
,
653 ref
->deletion
? NULL
: ref
->peer_ref
,
654 "remote failed to report status",
655 report
, porcelain
, summary_width
);
657 case REF_STATUS_ATOMIC_PUSH_FAILED
:
658 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
659 "atomic push failed",
660 report
, porcelain
, summary_width
);
663 print_ok_ref_status(ref
, report
, porcelain
, summary_width
);
670 static int print_one_push_status(struct ref
*ref
, const char *dest
, int count
,
671 int porcelain
, int summary_width
)
673 struct ref_push_report
*report
;
677 return print_one_push_report(ref
, dest
, count
,
678 NULL
, porcelain
, summary_width
);
680 for (report
= ref
->report
; report
; report
= report
->next
)
681 print_one_push_report(ref
, dest
, count
+ n
++,
682 report
, porcelain
, summary_width
);
686 static int measure_abbrev(const struct object_id
*oid
, int sofar
)
688 char hex
[GIT_MAX_HEXSZ
+ 1];
689 int w
= find_unique_abbrev_r(hex
, oid
, DEFAULT_ABBREV
);
691 return (w
< sofar
) ? sofar
: w
;
694 int transport_summary_width(const struct ref
*refs
)
698 for (; refs
; refs
= refs
->next
) {
699 maxw
= measure_abbrev(&refs
->old_oid
, maxw
);
700 maxw
= measure_abbrev(&refs
->new_oid
, maxw
);
703 maxw
= FALLBACK_DEFAULT_ABBREV
;
704 return (2 * maxw
+ 3);
707 void transport_print_push_status(const char *dest
, struct ref
*refs
,
708 int verbose
, int porcelain
, unsigned int *reject_reasons
)
713 int summary_width
= transport_summary_width(refs
);
715 if (transport_color_config() < 0)
716 warning(_("could not parse transport.color.* config"));
718 head
= resolve_refdup("HEAD", RESOLVE_REF_READING
, NULL
, NULL
);
721 for (ref
= refs
; ref
; ref
= ref
->next
)
722 if (ref
->status
== REF_STATUS_UPTODATE
)
723 n
+= print_one_push_status(ref
, dest
, n
,
724 porcelain
, summary_width
);
727 for (ref
= refs
; ref
; ref
= ref
->next
)
728 if (ref
->status
== REF_STATUS_OK
)
729 n
+= print_one_push_status(ref
, dest
, n
,
730 porcelain
, summary_width
);
733 for (ref
= refs
; ref
; ref
= ref
->next
) {
734 if (ref
->status
!= REF_STATUS_NONE
&&
735 ref
->status
!= REF_STATUS_UPTODATE
&&
736 ref
->status
!= REF_STATUS_OK
)
737 n
+= print_one_push_status(ref
, dest
, n
,
738 porcelain
, summary_width
);
739 if (ref
->status
== REF_STATUS_REJECT_NONFASTFORWARD
) {
740 if (head
!= NULL
&& !strcmp(head
, ref
->name
))
741 *reject_reasons
|= REJECT_NON_FF_HEAD
;
743 *reject_reasons
|= REJECT_NON_FF_OTHER
;
744 } else if (ref
->status
== REF_STATUS_REJECT_ALREADY_EXISTS
) {
745 *reject_reasons
|= REJECT_ALREADY_EXISTS
;
746 } else if (ref
->status
== REF_STATUS_REJECT_FETCH_FIRST
) {
747 *reject_reasons
|= REJECT_FETCH_FIRST
;
748 } else if (ref
->status
== REF_STATUS_REJECT_NEEDS_FORCE
) {
749 *reject_reasons
|= REJECT_NEEDS_FORCE
;
755 static int git_transport_push(struct transport
*transport
, struct ref
*remote_refs
, int flags
)
757 struct git_transport_data
*data
= transport
->data
;
758 struct send_pack_args args
;
761 if (transport_color_config() < 0)
764 if (!data
->got_remote_heads
)
765 get_refs_via_connect(transport
, 1, NULL
);
767 memset(&args
, 0, sizeof(args
));
768 args
.send_mirror
= !!(flags
& TRANSPORT_PUSH_MIRROR
);
769 args
.force_update
= !!(flags
& TRANSPORT_PUSH_FORCE
);
770 args
.use_thin_pack
= data
->options
.thin
;
771 args
.verbose
= (transport
->verbose
> 0);
772 args
.quiet
= (transport
->verbose
< 0);
773 args
.progress
= transport
->progress
;
774 args
.dry_run
= !!(flags
& TRANSPORT_PUSH_DRY_RUN
);
775 args
.porcelain
= !!(flags
& TRANSPORT_PUSH_PORCELAIN
);
776 args
.atomic
= !!(flags
& TRANSPORT_PUSH_ATOMIC
);
777 args
.push_options
= transport
->push_options
;
778 args
.url
= transport
->url
;
780 if (flags
& TRANSPORT_PUSH_CERT_ALWAYS
)
781 args
.push_cert
= SEND_PACK_PUSH_CERT_ALWAYS
;
782 else if (flags
& TRANSPORT_PUSH_CERT_IF_ASKED
)
783 args
.push_cert
= SEND_PACK_PUSH_CERT_IF_ASKED
;
785 args
.push_cert
= SEND_PACK_PUSH_CERT_NEVER
;
787 switch (data
->version
) {
789 die(_("support for protocol v2 not implemented yet"));
793 ret
= send_pack(&args
, data
->fd
, data
->conn
, remote_refs
,
796 case protocol_unknown_version
:
797 BUG("unknown protocol version");
803 * Atomic push may abort the connection early and close the pipe,
804 * which may cause an error for `finish_connect()`. Ignore this error
805 * for atomic git-push.
807 if (ret
|| args
.atomic
)
808 finish_connect(data
->conn
);
810 ret
= finish_connect(data
->conn
);
812 data
->got_remote_heads
= 0;
817 static int connect_git(struct transport
*transport
, const char *name
,
818 const char *executable
, int fd
[2])
820 struct git_transport_data
*data
= transport
->data
;
821 data
->conn
= git_connect(data
->fd
, transport
->url
,
828 static int disconnect_git(struct transport
*transport
)
830 struct git_transport_data
*data
= transport
->data
;
832 if (data
->got_remote_heads
&& !transport
->stateless_rpc
)
833 packet_flush(data
->fd
[1]);
836 finish_connect(data
->conn
);
843 static struct transport_vtable taken_over_vtable
= {
845 get_refs_via_connect
,
852 void transport_take_over(struct transport
*transport
,
853 struct child_process
*child
)
855 struct git_transport_data
*data
;
857 if (!transport
->smart_options
)
858 BUG("taking over transport requires non-NULL "
859 "smart_options field.");
861 data
= xcalloc(1, sizeof(*data
));
862 data
->options
= *transport
->smart_options
;
864 data
->fd
[0] = data
->conn
->out
;
865 data
->fd
[1] = data
->conn
->in
;
866 data
->got_remote_heads
= 0;
867 transport
->data
= data
;
869 transport
->vtable
= &taken_over_vtable
;
870 transport
->smart_options
= &(data
->options
);
872 transport
->cannot_reuse
= 1;
875 static int is_file(const char *url
)
880 return S_ISREG(buf
.st_mode
);
883 static int external_specification_len(const char *url
)
885 return strchr(url
, ':') - url
;
888 static const struct string_list
*protocol_whitelist(void)
890 static int enabled
= -1;
891 static struct string_list allowed
= STRING_LIST_INIT_DUP
;
894 const char *v
= getenv("GIT_ALLOW_PROTOCOL");
896 string_list_split(&allowed
, v
, ':', -1);
897 string_list_sort(&allowed
);
904 return enabled
? &allowed
: NULL
;
907 enum protocol_allow_config
{
908 PROTOCOL_ALLOW_NEVER
= 0,
909 PROTOCOL_ALLOW_USER_ONLY
,
910 PROTOCOL_ALLOW_ALWAYS
913 static enum protocol_allow_config
parse_protocol_config(const char *key
,
916 if (!strcasecmp(value
, "always"))
917 return PROTOCOL_ALLOW_ALWAYS
;
918 else if (!strcasecmp(value
, "never"))
919 return PROTOCOL_ALLOW_NEVER
;
920 else if (!strcasecmp(value
, "user"))
921 return PROTOCOL_ALLOW_USER_ONLY
;
923 die(_("unknown value for config '%s': %s"), key
, value
);
926 static enum protocol_allow_config
get_protocol_config(const char *type
)
928 char *key
= xstrfmt("protocol.%s.allow", type
);
931 /* first check the per-protocol config */
932 if (!git_config_get_string(key
, &value
)) {
933 enum protocol_allow_config ret
=
934 parse_protocol_config(key
, value
);
941 /* if defined, fallback to user-defined default for unknown protocols */
942 if (!git_config_get_string("protocol.allow", &value
)) {
943 enum protocol_allow_config ret
=
944 parse_protocol_config("protocol.allow", value
);
949 /* fallback to built-in defaults */
951 if (!strcmp(type
, "http") ||
952 !strcmp(type
, "https") ||
953 !strcmp(type
, "git") ||
954 !strcmp(type
, "ssh") ||
955 !strcmp(type
, "file"))
956 return PROTOCOL_ALLOW_ALWAYS
;
958 /* known scary; err on the side of caution */
959 if (!strcmp(type
, "ext"))
960 return PROTOCOL_ALLOW_NEVER
;
962 /* unknown; by default let them be used only directly by the user */
963 return PROTOCOL_ALLOW_USER_ONLY
;
966 int is_transport_allowed(const char *type
, int from_user
)
968 const struct string_list
*whitelist
= protocol_whitelist();
970 return string_list_has_string(whitelist
, type
);
972 switch (get_protocol_config(type
)) {
973 case PROTOCOL_ALLOW_ALWAYS
:
975 case PROTOCOL_ALLOW_NEVER
:
977 case PROTOCOL_ALLOW_USER_ONLY
:
979 from_user
= git_env_bool("GIT_PROTOCOL_FROM_USER", 1);
983 BUG("invalid protocol_allow_config type");
986 void transport_check_allowed(const char *type
)
988 if (!is_transport_allowed(type
, -1))
989 die(_("transport '%s' not allowed"), type
);
992 static struct transport_vtable bundle_vtable
= {
994 get_refs_from_bundle
,
995 fetch_refs_from_bundle
,
1001 static struct transport_vtable builtin_smart_vtable
= {
1003 get_refs_via_connect
,
1004 fetch_refs_via_pack
,
1010 struct transport
*transport_get(struct remote
*remote
, const char *url
)
1013 struct transport
*ret
= xcalloc(1, sizeof(*ret
));
1015 ret
->progress
= isatty(2);
1018 BUG("No remote provided to transport_get()");
1020 ret
->got_remote_refs
= 0;
1021 ret
->remote
= remote
;
1022 helper
= remote
->foreign_vcs
;
1024 if (!url
&& remote
->url
)
1025 url
= remote
->url
[0];
1028 /* maybe it is a foreign URL? */
1030 const char *p
= url
;
1032 while (is_urlschemechar(p
== url
, *p
))
1034 if (starts_with(p
, "::"))
1035 helper
= xstrndup(url
, p
- url
);
1039 transport_helper_init(ret
, helper
);
1040 } else if (starts_with(url
, "rsync:")) {
1041 die(_("git-over-rsync is no longer supported"));
1042 } else if (url_is_local_not_ssh(url
) && is_file(url
) && is_bundle(url
, 1)) {
1043 struct bundle_transport_data
*data
= xcalloc(1, sizeof(*data
));
1044 transport_check_allowed("file");
1046 ret
->vtable
= &bundle_vtable
;
1047 ret
->smart_options
= NULL
;
1048 } else if (!is_url(url
)
1049 || starts_with(url
, "file://")
1050 || starts_with(url
, "git://")
1051 || starts_with(url
, "ssh://")
1052 || starts_with(url
, "git+ssh://") /* deprecated - do not use */
1053 || starts_with(url
, "ssh+git://") /* deprecated - do not use */
1056 * These are builtin smart transports; "allowed" transports
1057 * will be checked individually in git_connect.
1059 struct git_transport_data
*data
= xcalloc(1, sizeof(*data
));
1061 ret
->vtable
= &builtin_smart_vtable
;
1062 ret
->smart_options
= &(data
->options
);
1065 data
->got_remote_heads
= 0;
1067 /* Unknown protocol in URL. Pass to external handler. */
1068 int len
= external_specification_len(url
);
1069 char *handler
= xmemdupz(url
, len
);
1070 transport_helper_init(ret
, handler
);
1073 if (ret
->smart_options
) {
1074 ret
->smart_options
->thin
= 1;
1075 ret
->smart_options
->uploadpack
= "git-upload-pack";
1076 if (remote
->uploadpack
)
1077 ret
->smart_options
->uploadpack
= remote
->uploadpack
;
1078 ret
->smart_options
->receivepack
= "git-receive-pack";
1079 if (remote
->receivepack
)
1080 ret
->smart_options
->receivepack
= remote
->receivepack
;
1086 int transport_set_option(struct transport
*transport
,
1087 const char *name
, const char *value
)
1089 int git_reports
= 1, protocol_reports
= 1;
1091 if (transport
->smart_options
)
1092 git_reports
= set_git_option(transport
->smart_options
,
1095 if (transport
->vtable
->set_option
)
1096 protocol_reports
= transport
->vtable
->set_option(transport
,
1099 /* If either report is 0, report 0 (success). */
1100 if (!git_reports
|| !protocol_reports
)
1102 /* If either reports -1 (invalid value), report -1. */
1103 if ((git_reports
== -1) || (protocol_reports
== -1))
1105 /* Otherwise if both report unknown, report unknown. */
1109 void transport_set_verbosity(struct transport
*transport
, int verbosity
,
1113 transport
->verbose
= verbosity
<= 3 ? verbosity
: 3;
1115 transport
->verbose
= -1;
1118 * Rules used to determine whether to report progress (processing aborts
1119 * when a rule is satisfied):
1121 * . Report progress, if force_progress is 1 (ie. --progress).
1122 * . Don't report progress, if force_progress is 0 (ie. --no-progress).
1123 * . Don't report progress, if verbosity < 0 (ie. -q/--quiet ).
1124 * . Report progress if isatty(2) is 1.
1126 if (force_progress
>= 0)
1127 transport
->progress
= !!force_progress
;
1129 transport
->progress
= verbosity
>= 0 && isatty(2);
1132 static void die_with_unpushed_submodules(struct string_list
*needs_pushing
)
1136 fprintf(stderr
, _("The following submodule paths contain changes that can\n"
1137 "not be found on any remote:\n"));
1138 for (i
= 0; i
< needs_pushing
->nr
; i
++)
1139 fprintf(stderr
, " %s\n", needs_pushing
->items
[i
].string
);
1140 fprintf(stderr
, _("\nPlease try\n\n"
1141 " git push --recurse-submodules=on-demand\n\n"
1142 "or cd to the path and use\n\n"
1144 "to push them to a remote.\n\n"));
1146 string_list_clear(needs_pushing
, 0);
1148 die(_("Aborting."));
1151 static int run_pre_push_hook(struct transport
*transport
,
1152 struct ref
*remote_refs
)
1156 struct child_process proc
= CHILD_PROCESS_INIT
;
1158 const char *argv
[4];
1160 if (!(argv
[0] = find_hook("pre-push")))
1163 argv
[1] = transport
->remote
->name
;
1164 argv
[2] = transport
->url
;
1169 proc
.trace2_hook_name
= "pre-push";
1171 if (start_command(&proc
)) {
1172 finish_command(&proc
);
1176 sigchain_push(SIGPIPE
, SIG_IGN
);
1178 strbuf_init(&buf
, 256);
1180 for (r
= remote_refs
; r
; r
= r
->next
) {
1181 if (!r
->peer_ref
) continue;
1182 if (r
->status
== REF_STATUS_REJECT_NONFASTFORWARD
) continue;
1183 if (r
->status
== REF_STATUS_REJECT_STALE
) continue;
1184 if (r
->status
== REF_STATUS_UPTODATE
) continue;
1187 strbuf_addf( &buf
, "%s %s %s %s\n",
1188 r
->peer_ref
->name
, oid_to_hex(&r
->new_oid
),
1189 r
->name
, oid_to_hex(&r
->old_oid
));
1191 if (write_in_full(proc
.in
, buf
.buf
, buf
.len
) < 0) {
1192 /* We do not mind if a hook does not read all refs. */
1199 strbuf_release(&buf
);
1205 sigchain_pop(SIGPIPE
);
1207 x
= finish_command(&proc
);
1214 int transport_push(struct repository
*r
,
1215 struct transport
*transport
,
1216 struct refspec
*rs
, int flags
,
1217 unsigned int *reject_reasons
)
1219 *reject_reasons
= 0;
1221 if (transport_color_config() < 0)
1224 if (transport
->vtable
->push_refs
) {
1225 struct ref
*remote_refs
;
1226 struct ref
*local_refs
= get_local_heads();
1227 int match_flags
= MATCH_REFS_NONE
;
1228 int verbose
= (transport
->verbose
> 0);
1229 int quiet
= (transport
->verbose
< 0);
1230 int porcelain
= flags
& TRANSPORT_PUSH_PORCELAIN
;
1231 int pretend
= flags
& TRANSPORT_PUSH_DRY_RUN
;
1232 int push_ret
, ret
, err
;
1233 struct argv_array ref_prefixes
= ARGV_ARRAY_INIT
;
1235 if (check_push_refs(local_refs
, rs
) < 0)
1238 refspec_ref_prefixes(rs
, &ref_prefixes
);
1240 trace2_region_enter("transport_push", "get_refs_list", r
);
1241 remote_refs
= transport
->vtable
->get_refs_list(transport
, 1,
1243 trace2_region_leave("transport_push", "get_refs_list", r
);
1245 argv_array_clear(&ref_prefixes
);
1247 if (flags
& TRANSPORT_PUSH_ALL
)
1248 match_flags
|= MATCH_REFS_ALL
;
1249 if (flags
& TRANSPORT_PUSH_MIRROR
)
1250 match_flags
|= MATCH_REFS_MIRROR
;
1251 if (flags
& TRANSPORT_PUSH_PRUNE
)
1252 match_flags
|= MATCH_REFS_PRUNE
;
1253 if (flags
& TRANSPORT_PUSH_FOLLOW_TAGS
)
1254 match_flags
|= MATCH_REFS_FOLLOW_TAGS
;
1256 if (match_push_refs(local_refs
, &remote_refs
, rs
, match_flags
))
1259 if (transport
->smart_options
&&
1260 transport
->smart_options
->cas
&&
1261 !is_empty_cas(transport
->smart_options
->cas
))
1262 apply_push_cas(transport
->smart_options
->cas
,
1263 transport
->remote
, remote_refs
);
1265 set_ref_status_for_push(remote_refs
,
1266 flags
& TRANSPORT_PUSH_MIRROR
,
1267 flags
& TRANSPORT_PUSH_FORCE
);
1269 if (!(flags
& TRANSPORT_PUSH_NO_HOOK
))
1270 if (run_pre_push_hook(transport
, remote_refs
))
1273 if ((flags
& (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND
|
1274 TRANSPORT_RECURSE_SUBMODULES_ONLY
)) &&
1275 !is_bare_repository()) {
1276 struct ref
*ref
= remote_refs
;
1277 struct oid_array commits
= OID_ARRAY_INIT
;
1279 trace2_region_enter("transport_push", "push_submodules", r
);
1280 for (; ref
; ref
= ref
->next
)
1281 if (!is_null_oid(&ref
->new_oid
))
1282 oid_array_append(&commits
,
1285 if (!push_unpushed_submodules(r
,
1289 transport
->push_options
,
1291 oid_array_clear(&commits
);
1292 trace2_region_leave("transport_push", "push_submodules", r
);
1293 die(_("failed to push all needed submodules"));
1295 oid_array_clear(&commits
);
1296 trace2_region_leave("transport_push", "push_submodules", r
);
1299 if (((flags
& TRANSPORT_RECURSE_SUBMODULES_CHECK
) ||
1300 ((flags
& (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND
|
1301 TRANSPORT_RECURSE_SUBMODULES_ONLY
)) &&
1302 !pretend
)) && !is_bare_repository()) {
1303 struct ref
*ref
= remote_refs
;
1304 struct string_list needs_pushing
= STRING_LIST_INIT_DUP
;
1305 struct oid_array commits
= OID_ARRAY_INIT
;
1307 trace2_region_enter("transport_push", "check_submodules", r
);
1308 for (; ref
; ref
= ref
->next
)
1309 if (!is_null_oid(&ref
->new_oid
))
1310 oid_array_append(&commits
,
1313 if (find_unpushed_submodules(r
,
1315 transport
->remote
->name
,
1317 oid_array_clear(&commits
);
1318 trace2_region_leave("transport_push", "check_submodules", r
);
1319 die_with_unpushed_submodules(&needs_pushing
);
1321 string_list_clear(&needs_pushing
, 0);
1322 oid_array_clear(&commits
);
1323 trace2_region_leave("transport_push", "check_submodules", r
);
1326 if (!(flags
& TRANSPORT_RECURSE_SUBMODULES_ONLY
)) {
1327 trace2_region_enter("transport_push", "push_refs", r
);
1328 push_ret
= transport
->vtable
->push_refs(transport
, remote_refs
, flags
);
1329 trace2_region_leave("transport_push", "push_refs", r
);
1332 err
= push_had_errors(remote_refs
);
1333 ret
= push_ret
| err
;
1336 transport_print_push_status(transport
->url
, remote_refs
,
1337 verbose
| porcelain
, porcelain
,
1340 if (flags
& TRANSPORT_PUSH_SET_UPSTREAM
)
1341 set_upstreams(transport
, remote_refs
, pretend
);
1343 if (!(flags
& (TRANSPORT_PUSH_DRY_RUN
|
1344 TRANSPORT_RECURSE_SUBMODULES_ONLY
))) {
1346 for (ref
= remote_refs
; ref
; ref
= ref
->next
)
1347 transport_update_tracking_ref(transport
->remote
, ref
, verbose
);
1350 if (porcelain
&& !push_ret
)
1352 else if (!quiet
&& !ret
&& !transport_refs_pushed(remote_refs
))
1353 fprintf(stderr
, "Everything up-to-date\n");
1360 const struct ref
*transport_get_remote_refs(struct transport
*transport
,
1361 const struct argv_array
*ref_prefixes
)
1363 if (!transport
->got_remote_refs
) {
1364 transport
->remote_refs
=
1365 transport
->vtable
->get_refs_list(transport
, 0,
1367 transport
->got_remote_refs
= 1;
1370 return transport
->remote_refs
;
1373 int transport_fetch_refs(struct transport
*transport
, struct ref
*refs
)
1376 int nr_heads
= 0, nr_alloc
= 0, nr_refs
= 0;
1377 struct ref
**heads
= NULL
;
1380 for (rm
= refs
; rm
; rm
= rm
->next
) {
1383 !is_null_oid(&rm
->old_oid
) &&
1384 oideq(&rm
->peer_ref
->old_oid
, &rm
->old_oid
))
1386 ALLOC_GROW(heads
, nr_heads
+ 1, nr_alloc
);
1387 heads
[nr_heads
++] = rm
;
1392 * When deepening of a shallow repository is requested,
1393 * then local and remote refs are likely to still be equal.
1394 * Just feed them all to the fetch method in that case.
1395 * This condition shouldn't be met in a non-deepening fetch
1396 * (see builtin/fetch.c:quickfetch()).
1398 ALLOC_ARRAY(heads
, nr_refs
);
1399 for (rm
= refs
; rm
; rm
= rm
->next
)
1400 heads
[nr_heads
++] = rm
;
1403 rc
= transport
->vtable
->fetch(transport
, nr_heads
, heads
);
1409 void transport_unlock_pack(struct transport
*transport
)
1411 if (transport
->pack_lockfile
) {
1412 unlink_or_warn(transport
->pack_lockfile
);
1413 FREE_AND_NULL(transport
->pack_lockfile
);
1417 int transport_connect(struct transport
*transport
, const char *name
,
1418 const char *exec
, int fd
[2])
1420 if (transport
->vtable
->connect
)
1421 return transport
->vtable
->connect(transport
, name
, exec
, fd
);
1423 die(_("operation not supported by protocol"));
1426 int transport_disconnect(struct transport
*transport
)
1429 if (transport
->vtable
->disconnect
)
1430 ret
= transport
->vtable
->disconnect(transport
);
1436 * Strip username (and password) from a URL and return
1437 * it in a newly allocated string.
1439 char *transport_anonymize_url(const char *url
)
1441 char *scheme_prefix
, *anon_part
;
1442 size_t anon_len
, prefix_len
= 0;
1444 anon_part
= strchr(url
, '@');
1445 if (url_is_local_not_ssh(url
) || !anon_part
)
1448 anon_len
= strlen(++anon_part
);
1449 scheme_prefix
= strstr(url
, "://");
1450 if (!scheme_prefix
) {
1451 if (!strchr(anon_part
, ':'))
1452 /* cannot be "me@there:/path/name" */
1456 /* make sure scheme is reasonable */
1457 for (cp
= url
; cp
< scheme_prefix
; cp
++) {
1460 case '+': case '.': case '-':
1469 /* @ past the first slash does not count */
1470 cp
= strchr(scheme_prefix
+ 3, '/');
1471 if (cp
&& cp
< anon_part
)
1473 prefix_len
= scheme_prefix
- url
+ 3;
1475 return xstrfmt("%.*s%.*s", (int)prefix_len
, url
,
1476 (int)anon_len
, anon_part
);
1478 return xstrdup(url
);