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
;
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 void transport_update_tracking_ref(struct remote
*remote
, struct ref
*ref
, int verbose
)
442 struct refspec_item rs
;
444 if (ref
->status
!= REF_STATUS_OK
&& ref
->status
!= REF_STATUS_UPTODATE
)
450 if (!remote_find_tracking(remote
, &rs
)) {
452 fprintf(stderr
, "updating local tracking ref '%s'\n", rs
.dst
);
454 delete_ref(NULL
, rs
.dst
, NULL
, 0);
456 update_ref("update by push", rs
.dst
, &ref
->new_oid
,
462 static void print_ref_status(char flag
, const char *summary
,
463 struct ref
*to
, struct ref
*from
, const char *msg
,
464 int porcelain
, int summary_width
)
468 fprintf(stdout
, "%c\t%s:%s\t", flag
, from
->name
, to
->name
);
470 fprintf(stdout
, "%c\t:%s\t", flag
, to
->name
);
472 fprintf(stdout
, "%s (%s)\n", summary
, msg
);
474 fprintf(stdout
, "%s\n", summary
);
476 const char *red
= "", *reset
= "";
477 if (push_had_errors(to
)) {
478 red
= transport_get_color(TRANSPORT_COLOR_REJECTED
);
479 reset
= transport_get_color(TRANSPORT_COLOR_RESET
);
481 fprintf(stderr
, " %s%c %-*s%s ", red
, flag
, summary_width
,
484 fprintf(stderr
, "%s -> %s", prettify_refname(from
->name
), prettify_refname(to
->name
));
486 fputs(prettify_refname(to
->name
), stderr
);
496 static void print_ok_ref_status(struct ref
*ref
, int porcelain
, int summary_width
)
499 print_ref_status('-', "[deleted]", ref
, NULL
, NULL
,
500 porcelain
, summary_width
);
501 else if (is_null_oid(&ref
->old_oid
))
502 print_ref_status('*',
503 (starts_with(ref
->name
, "refs/tags/") ? "[new tag]" :
505 ref
, ref
->peer_ref
, NULL
, porcelain
, summary_width
);
507 struct strbuf quickref
= STRBUF_INIT
;
511 strbuf_add_unique_abbrev(&quickref
, &ref
->old_oid
,
513 if (ref
->forced_update
) {
514 strbuf_addstr(&quickref
, "...");
516 msg
= "forced update";
518 strbuf_addstr(&quickref
, "..");
522 strbuf_add_unique_abbrev(&quickref
, &ref
->new_oid
,
525 print_ref_status(type
, quickref
.buf
, ref
, ref
->peer_ref
, msg
,
526 porcelain
, summary_width
);
527 strbuf_release(&quickref
);
531 static int print_one_push_status(struct ref
*ref
, const char *dest
, int count
,
532 int porcelain
, int summary_width
)
535 char *url
= transport_anonymize_url(dest
);
536 fprintf(porcelain
? stdout
: stderr
, "To %s\n", url
);
540 switch(ref
->status
) {
541 case REF_STATUS_NONE
:
542 print_ref_status('X', "[no match]", ref
, NULL
, NULL
,
543 porcelain
, summary_width
);
545 case REF_STATUS_REJECT_NODELETE
:
546 print_ref_status('!', "[rejected]", ref
, NULL
,
547 "remote does not support deleting refs",
548 porcelain
, summary_width
);
550 case REF_STATUS_UPTODATE
:
551 print_ref_status('=', "[up to date]", ref
,
552 ref
->peer_ref
, NULL
, porcelain
, summary_width
);
554 case REF_STATUS_REJECT_NONFASTFORWARD
:
555 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
556 "non-fast-forward", porcelain
, summary_width
);
558 case REF_STATUS_REJECT_ALREADY_EXISTS
:
559 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
560 "already exists", porcelain
, summary_width
);
562 case REF_STATUS_REJECT_FETCH_FIRST
:
563 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
564 "fetch first", porcelain
, summary_width
);
566 case REF_STATUS_REJECT_NEEDS_FORCE
:
567 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
568 "needs force", porcelain
, summary_width
);
570 case REF_STATUS_REJECT_STALE
:
571 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
572 "stale info", porcelain
, summary_width
);
574 case REF_STATUS_REJECT_SHALLOW
:
575 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
576 "new shallow roots not allowed",
577 porcelain
, summary_width
);
579 case REF_STATUS_REMOTE_REJECT
:
580 print_ref_status('!', "[remote rejected]", ref
,
581 ref
->deletion
? NULL
: ref
->peer_ref
,
582 ref
->remote_status
, porcelain
, summary_width
);
584 case REF_STATUS_EXPECTING_REPORT
:
585 print_ref_status('!', "[remote failure]", ref
,
586 ref
->deletion
? NULL
: ref
->peer_ref
,
587 "remote failed to report status",
588 porcelain
, summary_width
);
590 case REF_STATUS_ATOMIC_PUSH_FAILED
:
591 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
592 "atomic push failed", porcelain
, summary_width
);
595 print_ok_ref_status(ref
, porcelain
, summary_width
);
602 static int measure_abbrev(const struct object_id
*oid
, int sofar
)
604 char hex
[GIT_MAX_HEXSZ
+ 1];
605 int w
= find_unique_abbrev_r(hex
, oid
, DEFAULT_ABBREV
);
607 return (w
< sofar
) ? sofar
: w
;
610 int transport_summary_width(const struct ref
*refs
)
614 for (; refs
; refs
= refs
->next
) {
615 maxw
= measure_abbrev(&refs
->old_oid
, maxw
);
616 maxw
= measure_abbrev(&refs
->new_oid
, maxw
);
619 maxw
= FALLBACK_DEFAULT_ABBREV
;
620 return (2 * maxw
+ 3);
623 void transport_print_push_status(const char *dest
, struct ref
*refs
,
624 int verbose
, int porcelain
, unsigned int *reject_reasons
)
629 int summary_width
= transport_summary_width(refs
);
631 if (transport_color_config() < 0)
632 warning(_("could not parse transport.color.* config"));
634 head
= resolve_refdup("HEAD", RESOLVE_REF_READING
, NULL
, NULL
);
637 for (ref
= refs
; ref
; ref
= ref
->next
)
638 if (ref
->status
== REF_STATUS_UPTODATE
)
639 n
+= print_one_push_status(ref
, dest
, n
,
640 porcelain
, summary_width
);
643 for (ref
= refs
; ref
; ref
= ref
->next
)
644 if (ref
->status
== REF_STATUS_OK
)
645 n
+= print_one_push_status(ref
, dest
, n
,
646 porcelain
, summary_width
);
649 for (ref
= refs
; ref
; ref
= ref
->next
) {
650 if (ref
->status
!= REF_STATUS_NONE
&&
651 ref
->status
!= REF_STATUS_UPTODATE
&&
652 ref
->status
!= REF_STATUS_OK
)
653 n
+= print_one_push_status(ref
, dest
, n
,
654 porcelain
, summary_width
);
655 if (ref
->status
== REF_STATUS_REJECT_NONFASTFORWARD
) {
656 if (head
!= NULL
&& !strcmp(head
, ref
->name
))
657 *reject_reasons
|= REJECT_NON_FF_HEAD
;
659 *reject_reasons
|= REJECT_NON_FF_OTHER
;
660 } else if (ref
->status
== REF_STATUS_REJECT_ALREADY_EXISTS
) {
661 *reject_reasons
|= REJECT_ALREADY_EXISTS
;
662 } else if (ref
->status
== REF_STATUS_REJECT_FETCH_FIRST
) {
663 *reject_reasons
|= REJECT_FETCH_FIRST
;
664 } else if (ref
->status
== REF_STATUS_REJECT_NEEDS_FORCE
) {
665 *reject_reasons
|= REJECT_NEEDS_FORCE
;
671 static int git_transport_push(struct transport
*transport
, struct ref
*remote_refs
, int flags
)
673 struct git_transport_data
*data
= transport
->data
;
674 struct send_pack_args args
;
677 if (transport_color_config() < 0)
680 if (!data
->got_remote_heads
)
681 get_refs_via_connect(transport
, 1, NULL
);
683 memset(&args
, 0, sizeof(args
));
684 args
.send_mirror
= !!(flags
& TRANSPORT_PUSH_MIRROR
);
685 args
.force_update
= !!(flags
& TRANSPORT_PUSH_FORCE
);
686 args
.use_thin_pack
= data
->options
.thin
;
687 args
.verbose
= (transport
->verbose
> 0);
688 args
.quiet
= (transport
->verbose
< 0);
689 args
.progress
= transport
->progress
;
690 args
.dry_run
= !!(flags
& TRANSPORT_PUSH_DRY_RUN
);
691 args
.porcelain
= !!(flags
& TRANSPORT_PUSH_PORCELAIN
);
692 args
.atomic
= !!(flags
& TRANSPORT_PUSH_ATOMIC
);
693 args
.push_options
= transport
->push_options
;
694 args
.url
= transport
->url
;
696 if (flags
& TRANSPORT_PUSH_CERT_ALWAYS
)
697 args
.push_cert
= SEND_PACK_PUSH_CERT_ALWAYS
;
698 else if (flags
& TRANSPORT_PUSH_CERT_IF_ASKED
)
699 args
.push_cert
= SEND_PACK_PUSH_CERT_IF_ASKED
;
701 args
.push_cert
= SEND_PACK_PUSH_CERT_NEVER
;
703 switch (data
->version
) {
705 die(_("support for protocol v2 not implemented yet"));
709 ret
= send_pack(&args
, data
->fd
, data
->conn
, remote_refs
,
712 case protocol_unknown_version
:
713 BUG("unknown protocol version");
718 ret
|= finish_connect(data
->conn
);
720 data
->got_remote_heads
= 0;
725 static int connect_git(struct transport
*transport
, const char *name
,
726 const char *executable
, int fd
[2])
728 struct git_transport_data
*data
= transport
->data
;
729 data
->conn
= git_connect(data
->fd
, transport
->url
,
736 static int disconnect_git(struct transport
*transport
)
738 struct git_transport_data
*data
= transport
->data
;
740 if (data
->got_remote_heads
)
741 packet_flush(data
->fd
[1]);
744 finish_connect(data
->conn
);
751 static struct transport_vtable taken_over_vtable
= {
753 get_refs_via_connect
,
760 void transport_take_over(struct transport
*transport
,
761 struct child_process
*child
)
763 struct git_transport_data
*data
;
765 if (!transport
->smart_options
)
766 BUG("taking over transport requires non-NULL "
767 "smart_options field.");
769 data
= xcalloc(1, sizeof(*data
));
770 data
->options
= *transport
->smart_options
;
772 data
->fd
[0] = data
->conn
->out
;
773 data
->fd
[1] = data
->conn
->in
;
774 data
->got_remote_heads
= 0;
775 transport
->data
= data
;
777 transport
->vtable
= &taken_over_vtable
;
778 transport
->smart_options
= &(data
->options
);
780 transport
->cannot_reuse
= 1;
783 static int is_file(const char *url
)
788 return S_ISREG(buf
.st_mode
);
791 static int external_specification_len(const char *url
)
793 return strchr(url
, ':') - url
;
796 static const struct string_list
*protocol_whitelist(void)
798 static int enabled
= -1;
799 static struct string_list allowed
= STRING_LIST_INIT_DUP
;
802 const char *v
= getenv("GIT_ALLOW_PROTOCOL");
804 string_list_split(&allowed
, v
, ':', -1);
805 string_list_sort(&allowed
);
812 return enabled
? &allowed
: NULL
;
815 enum protocol_allow_config
{
816 PROTOCOL_ALLOW_NEVER
= 0,
817 PROTOCOL_ALLOW_USER_ONLY
,
818 PROTOCOL_ALLOW_ALWAYS
821 static enum protocol_allow_config
parse_protocol_config(const char *key
,
824 if (!strcasecmp(value
, "always"))
825 return PROTOCOL_ALLOW_ALWAYS
;
826 else if (!strcasecmp(value
, "never"))
827 return PROTOCOL_ALLOW_NEVER
;
828 else if (!strcasecmp(value
, "user"))
829 return PROTOCOL_ALLOW_USER_ONLY
;
831 die(_("unknown value for config '%s': %s"), key
, value
);
834 static enum protocol_allow_config
get_protocol_config(const char *type
)
836 char *key
= xstrfmt("protocol.%s.allow", type
);
839 /* first check the per-protocol config */
840 if (!git_config_get_string(key
, &value
)) {
841 enum protocol_allow_config ret
=
842 parse_protocol_config(key
, value
);
849 /* if defined, fallback to user-defined default for unknown protocols */
850 if (!git_config_get_string("protocol.allow", &value
)) {
851 enum protocol_allow_config ret
=
852 parse_protocol_config("protocol.allow", value
);
857 /* fallback to built-in defaults */
859 if (!strcmp(type
, "http") ||
860 !strcmp(type
, "https") ||
861 !strcmp(type
, "git") ||
862 !strcmp(type
, "ssh") ||
863 !strcmp(type
, "file"))
864 return PROTOCOL_ALLOW_ALWAYS
;
866 /* known scary; err on the side of caution */
867 if (!strcmp(type
, "ext"))
868 return PROTOCOL_ALLOW_NEVER
;
870 /* unknown; by default let them be used only directly by the user */
871 return PROTOCOL_ALLOW_USER_ONLY
;
874 int is_transport_allowed(const char *type
, int from_user
)
876 const struct string_list
*whitelist
= protocol_whitelist();
878 return string_list_has_string(whitelist
, type
);
880 switch (get_protocol_config(type
)) {
881 case PROTOCOL_ALLOW_ALWAYS
:
883 case PROTOCOL_ALLOW_NEVER
:
885 case PROTOCOL_ALLOW_USER_ONLY
:
887 from_user
= git_env_bool("GIT_PROTOCOL_FROM_USER", 1);
891 BUG("invalid protocol_allow_config type");
894 void transport_check_allowed(const char *type
)
896 if (!is_transport_allowed(type
, -1))
897 die(_("transport '%s' not allowed"), type
);
900 static struct transport_vtable bundle_vtable
= {
902 get_refs_from_bundle
,
903 fetch_refs_from_bundle
,
909 static struct transport_vtable builtin_smart_vtable
= {
911 get_refs_via_connect
,
918 struct transport
*transport_get(struct remote
*remote
, const char *url
)
921 struct transport
*ret
= xcalloc(1, sizeof(*ret
));
923 ret
->progress
= isatty(2);
926 BUG("No remote provided to transport_get()");
928 ret
->got_remote_refs
= 0;
929 ret
->remote
= remote
;
930 helper
= remote
->foreign_vcs
;
932 if (!url
&& remote
->url
)
933 url
= remote
->url
[0];
936 /* maybe it is a foreign URL? */
940 while (is_urlschemechar(p
== url
, *p
))
942 if (starts_with(p
, "::"))
943 helper
= xstrndup(url
, p
- url
);
947 transport_helper_init(ret
, helper
);
948 } else if (starts_with(url
, "rsync:")) {
949 die(_("git-over-rsync is no longer supported"));
950 } else if (url_is_local_not_ssh(url
) && is_file(url
) && is_bundle(url
, 1)) {
951 struct bundle_transport_data
*data
= xcalloc(1, sizeof(*data
));
952 transport_check_allowed("file");
954 ret
->vtable
= &bundle_vtable
;
955 ret
->smart_options
= NULL
;
956 } else if (!is_url(url
)
957 || starts_with(url
, "file://")
958 || starts_with(url
, "git://")
959 || starts_with(url
, "ssh://")
960 || starts_with(url
, "git+ssh://") /* deprecated - do not use */
961 || starts_with(url
, "ssh+git://") /* deprecated - do not use */
964 * These are builtin smart transports; "allowed" transports
965 * will be checked individually in git_connect.
967 struct git_transport_data
*data
= xcalloc(1, sizeof(*data
));
969 ret
->vtable
= &builtin_smart_vtable
;
970 ret
->smart_options
= &(data
->options
);
973 data
->got_remote_heads
= 0;
975 /* Unknown protocol in URL. Pass to external handler. */
976 int len
= external_specification_len(url
);
977 char *handler
= xmemdupz(url
, len
);
978 transport_helper_init(ret
, handler
);
981 if (ret
->smart_options
) {
982 ret
->smart_options
->thin
= 1;
983 ret
->smart_options
->uploadpack
= "git-upload-pack";
984 if (remote
->uploadpack
)
985 ret
->smart_options
->uploadpack
= remote
->uploadpack
;
986 ret
->smart_options
->receivepack
= "git-receive-pack";
987 if (remote
->receivepack
)
988 ret
->smart_options
->receivepack
= remote
->receivepack
;
994 int transport_set_option(struct transport
*transport
,
995 const char *name
, const char *value
)
997 int git_reports
= 1, protocol_reports
= 1;
999 if (transport
->smart_options
)
1000 git_reports
= set_git_option(transport
->smart_options
,
1003 if (transport
->vtable
->set_option
)
1004 protocol_reports
= transport
->vtable
->set_option(transport
,
1007 /* If either report is 0, report 0 (success). */
1008 if (!git_reports
|| !protocol_reports
)
1010 /* If either reports -1 (invalid value), report -1. */
1011 if ((git_reports
== -1) || (protocol_reports
== -1))
1013 /* Otherwise if both report unknown, report unknown. */
1017 void transport_set_verbosity(struct transport
*transport
, int verbosity
,
1021 transport
->verbose
= verbosity
<= 3 ? verbosity
: 3;
1023 transport
->verbose
= -1;
1026 * Rules used to determine whether to report progress (processing aborts
1027 * when a rule is satisfied):
1029 * . Report progress, if force_progress is 1 (ie. --progress).
1030 * . Don't report progress, if force_progress is 0 (ie. --no-progress).
1031 * . Don't report progress, if verbosity < 0 (ie. -q/--quiet ).
1032 * . Report progress if isatty(2) is 1.
1034 if (force_progress
>= 0)
1035 transport
->progress
= !!force_progress
;
1037 transport
->progress
= verbosity
>= 0 && isatty(2);
1040 static void die_with_unpushed_submodules(struct string_list
*needs_pushing
)
1044 fprintf(stderr
, _("The following submodule paths contain changes that can\n"
1045 "not be found on any remote:\n"));
1046 for (i
= 0; i
< needs_pushing
->nr
; i
++)
1047 fprintf(stderr
, " %s\n", needs_pushing
->items
[i
].string
);
1048 fprintf(stderr
, _("\nPlease try\n\n"
1049 " git push --recurse-submodules=on-demand\n\n"
1050 "or cd to the path and use\n\n"
1052 "to push them to a remote.\n\n"));
1054 string_list_clear(needs_pushing
, 0);
1056 die(_("Aborting."));
1059 static int run_pre_push_hook(struct transport
*transport
,
1060 struct ref
*remote_refs
)
1064 struct child_process proc
= CHILD_PROCESS_INIT
;
1066 const char *argv
[4];
1068 if (!(argv
[0] = find_hook("pre-push")))
1071 argv
[1] = transport
->remote
->name
;
1072 argv
[2] = transport
->url
;
1077 proc
.trace2_hook_name
= "pre-push";
1079 if (start_command(&proc
)) {
1080 finish_command(&proc
);
1084 sigchain_push(SIGPIPE
, SIG_IGN
);
1086 strbuf_init(&buf
, 256);
1088 for (r
= remote_refs
; r
; r
= r
->next
) {
1089 if (!r
->peer_ref
) continue;
1090 if (r
->status
== REF_STATUS_REJECT_NONFASTFORWARD
) continue;
1091 if (r
->status
== REF_STATUS_REJECT_STALE
) continue;
1092 if (r
->status
== REF_STATUS_UPTODATE
) continue;
1095 strbuf_addf( &buf
, "%s %s %s %s\n",
1096 r
->peer_ref
->name
, oid_to_hex(&r
->new_oid
),
1097 r
->name
, oid_to_hex(&r
->old_oid
));
1099 if (write_in_full(proc
.in
, buf
.buf
, buf
.len
) < 0) {
1100 /* We do not mind if a hook does not read all refs. */
1107 strbuf_release(&buf
);
1113 sigchain_pop(SIGPIPE
);
1115 x
= finish_command(&proc
);
1122 int transport_push(struct repository
*r
,
1123 struct transport
*transport
,
1124 struct refspec
*rs
, int flags
,
1125 unsigned int *reject_reasons
)
1127 *reject_reasons
= 0;
1129 if (transport_color_config() < 0)
1132 if (transport
->vtable
->push_refs
) {
1133 struct ref
*remote_refs
;
1134 struct ref
*local_refs
= get_local_heads();
1135 int match_flags
= MATCH_REFS_NONE
;
1136 int verbose
= (transport
->verbose
> 0);
1137 int quiet
= (transport
->verbose
< 0);
1138 int porcelain
= flags
& TRANSPORT_PUSH_PORCELAIN
;
1139 int pretend
= flags
& TRANSPORT_PUSH_DRY_RUN
;
1140 int push_ret
, ret
, err
;
1141 struct argv_array ref_prefixes
= ARGV_ARRAY_INIT
;
1143 if (check_push_refs(local_refs
, rs
) < 0)
1146 refspec_ref_prefixes(rs
, &ref_prefixes
);
1148 trace2_region_enter("transport_push", "get_refs_list", r
);
1149 remote_refs
= transport
->vtable
->get_refs_list(transport
, 1,
1151 trace2_region_leave("transport_push", "get_refs_list", r
);
1153 argv_array_clear(&ref_prefixes
);
1155 if (flags
& TRANSPORT_PUSH_ALL
)
1156 match_flags
|= MATCH_REFS_ALL
;
1157 if (flags
& TRANSPORT_PUSH_MIRROR
)
1158 match_flags
|= MATCH_REFS_MIRROR
;
1159 if (flags
& TRANSPORT_PUSH_PRUNE
)
1160 match_flags
|= MATCH_REFS_PRUNE
;
1161 if (flags
& TRANSPORT_PUSH_FOLLOW_TAGS
)
1162 match_flags
|= MATCH_REFS_FOLLOW_TAGS
;
1164 if (match_push_refs(local_refs
, &remote_refs
, rs
, match_flags
))
1167 if (transport
->smart_options
&&
1168 transport
->smart_options
->cas
&&
1169 !is_empty_cas(transport
->smart_options
->cas
))
1170 apply_push_cas(transport
->smart_options
->cas
,
1171 transport
->remote
, remote_refs
);
1173 set_ref_status_for_push(remote_refs
,
1174 flags
& TRANSPORT_PUSH_MIRROR
,
1175 flags
& TRANSPORT_PUSH_FORCE
);
1177 if (!(flags
& TRANSPORT_PUSH_NO_HOOK
))
1178 if (run_pre_push_hook(transport
, remote_refs
))
1181 if ((flags
& (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND
|
1182 TRANSPORT_RECURSE_SUBMODULES_ONLY
)) &&
1183 !is_bare_repository()) {
1184 struct ref
*ref
= remote_refs
;
1185 struct oid_array commits
= OID_ARRAY_INIT
;
1187 trace2_region_enter("transport_push", "push_submodules", r
);
1188 for (; ref
; ref
= ref
->next
)
1189 if (!is_null_oid(&ref
->new_oid
))
1190 oid_array_append(&commits
,
1193 if (!push_unpushed_submodules(r
,
1197 transport
->push_options
,
1199 oid_array_clear(&commits
);
1200 trace2_region_leave("transport_push", "push_submodules", r
);
1201 die(_("failed to push all needed submodules"));
1203 oid_array_clear(&commits
);
1204 trace2_region_leave("transport_push", "push_submodules", r
);
1207 if (((flags
& TRANSPORT_RECURSE_SUBMODULES_CHECK
) ||
1208 ((flags
& (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND
|
1209 TRANSPORT_RECURSE_SUBMODULES_ONLY
)) &&
1210 !pretend
)) && !is_bare_repository()) {
1211 struct ref
*ref
= remote_refs
;
1212 struct string_list needs_pushing
= STRING_LIST_INIT_DUP
;
1213 struct oid_array commits
= OID_ARRAY_INIT
;
1215 trace2_region_enter("transport_push", "check_submodules", r
);
1216 for (; ref
; ref
= ref
->next
)
1217 if (!is_null_oid(&ref
->new_oid
))
1218 oid_array_append(&commits
,
1221 if (find_unpushed_submodules(r
,
1223 transport
->remote
->name
,
1225 oid_array_clear(&commits
);
1226 trace2_region_leave("transport_push", "check_submodules", r
);
1227 die_with_unpushed_submodules(&needs_pushing
);
1229 string_list_clear(&needs_pushing
, 0);
1230 oid_array_clear(&commits
);
1231 trace2_region_leave("transport_push", "check_submodules", r
);
1234 if (!(flags
& TRANSPORT_RECURSE_SUBMODULES_ONLY
)) {
1235 trace2_region_enter("transport_push", "push_refs", r
);
1236 push_ret
= transport
->vtable
->push_refs(transport
, remote_refs
, flags
);
1237 trace2_region_leave("transport_push", "push_refs", r
);
1240 err
= push_had_errors(remote_refs
);
1241 ret
= push_ret
| err
;
1243 if ((flags
& TRANSPORT_PUSH_ATOMIC
) && err
) {
1245 for (it
= remote_refs
; it
; it
= it
->next
)
1246 switch (it
->status
) {
1247 case REF_STATUS_NONE
:
1248 case REF_STATUS_UPTODATE
:
1250 it
->status
= REF_STATUS_ATOMIC_PUSH_FAILED
;
1258 transport_print_push_status(transport
->url
, remote_refs
,
1259 verbose
| porcelain
, porcelain
,
1262 if (flags
& TRANSPORT_PUSH_SET_UPSTREAM
)
1263 set_upstreams(transport
, remote_refs
, pretend
);
1265 if (!(flags
& (TRANSPORT_PUSH_DRY_RUN
|
1266 TRANSPORT_RECURSE_SUBMODULES_ONLY
))) {
1268 for (ref
= remote_refs
; ref
; ref
= ref
->next
)
1269 transport_update_tracking_ref(transport
->remote
, ref
, verbose
);
1272 if (porcelain
&& !push_ret
)
1274 else if (!quiet
&& !ret
&& !transport_refs_pushed(remote_refs
))
1275 fprintf(stderr
, "Everything up-to-date\n");
1282 const struct ref
*transport_get_remote_refs(struct transport
*transport
,
1283 const struct argv_array
*ref_prefixes
)
1285 if (!transport
->got_remote_refs
) {
1286 transport
->remote_refs
=
1287 transport
->vtable
->get_refs_list(transport
, 0,
1289 transport
->got_remote_refs
= 1;
1292 return transport
->remote_refs
;
1295 int transport_fetch_refs(struct transport
*transport
, struct ref
*refs
)
1298 int nr_heads
= 0, nr_alloc
= 0, nr_refs
= 0;
1299 struct ref
**heads
= NULL
;
1302 for (rm
= refs
; rm
; rm
= rm
->next
) {
1305 !is_null_oid(&rm
->old_oid
) &&
1306 oideq(&rm
->peer_ref
->old_oid
, &rm
->old_oid
))
1308 ALLOC_GROW(heads
, nr_heads
+ 1, nr_alloc
);
1309 heads
[nr_heads
++] = rm
;
1314 * When deepening of a shallow repository is requested,
1315 * then local and remote refs are likely to still be equal.
1316 * Just feed them all to the fetch method in that case.
1317 * This condition shouldn't be met in a non-deepening fetch
1318 * (see builtin/fetch.c:quickfetch()).
1320 ALLOC_ARRAY(heads
, nr_refs
);
1321 for (rm
= refs
; rm
; rm
= rm
->next
)
1322 heads
[nr_heads
++] = rm
;
1325 rc
= transport
->vtable
->fetch(transport
, nr_heads
, heads
);
1331 void transport_unlock_pack(struct transport
*transport
)
1333 if (transport
->pack_lockfile
) {
1334 unlink_or_warn(transport
->pack_lockfile
);
1335 FREE_AND_NULL(transport
->pack_lockfile
);
1339 int transport_connect(struct transport
*transport
, const char *name
,
1340 const char *exec
, int fd
[2])
1342 if (transport
->vtable
->connect
)
1343 return transport
->vtable
->connect(transport
, name
, exec
, fd
);
1345 die(_("operation not supported by protocol"));
1348 int transport_disconnect(struct transport
*transport
)
1351 if (transport
->vtable
->disconnect
)
1352 ret
= transport
->vtable
->disconnect(transport
);
1358 * Strip username (and password) from a URL and return
1359 * it in a newly allocated string.
1361 char *transport_anonymize_url(const char *url
)
1363 char *scheme_prefix
, *anon_part
;
1364 size_t anon_len
, prefix_len
= 0;
1366 anon_part
= strchr(url
, '@');
1367 if (url_is_local_not_ssh(url
) || !anon_part
)
1370 anon_len
= strlen(++anon_part
);
1371 scheme_prefix
= strstr(url
, "://");
1372 if (!scheme_prefix
) {
1373 if (!strchr(anon_part
, ':'))
1374 /* cannot be "me@there:/path/name" */
1378 /* make sure scheme is reasonable */
1379 for (cp
= url
; cp
< scheme_prefix
; cp
++) {
1382 case '+': case '.': case '-':
1391 /* @ past the first slash does not count */
1392 cp
= strchr(scheme_prefix
+ 3, '/');
1393 if (cp
&& cp
< anon_part
)
1395 prefix_len
= scheme_prefix
- url
+ 3;
1397 return xstrfmt("%.*s%.*s", (int)prefix_len
, url
,
1398 (int)anon_len
, anon_part
);
1400 return xstrdup(url
);