3 #include "run-command.h"
5 #include "fetch-pack.h"
15 #include "submodule.h"
16 #include "string-list.h"
17 #include "sha1-array.h"
22 * We copy packed-refs and refs/ into a temporary file, then read the
23 * loose refs recursively (sorting whenever possible), and then inserting
24 * those packed refs that are not yet in the list (not validating, but
25 * assuming that the file is sorted).
27 * Appears refactoring this from refs.c is too cumbersome.
30 static int str_cmp(const void *a
, const void *b
)
35 return strcmp(s1
, s2
);
38 /* path->buf + name_offset is expected to point to "refs/" */
40 static int read_loose_refs(struct strbuf
*path
, int name_offset
,
43 DIR *dir
= opendir(path
->buf
);
54 memset (&list
, 0, sizeof(list
));
56 while ((de
= readdir(dir
))) {
57 if (is_dot_or_dotdot(de
->d_name
))
59 ALLOC_GROW(list
.entries
, list
.nr
+ 1, list
.alloc
);
60 list
.entries
[list
.nr
++] = xstrdup(de
->d_name
);
66 qsort(list
.entries
, list
.nr
, sizeof(char *), str_cmp
);
69 strbuf_addch(path
, '/');
71 for (i
= 0; i
< list
.nr
; i
++, strbuf_setlen(path
, pathlen
+ 1)) {
72 strbuf_addstr(path
, list
.entries
[i
]);
73 if (read_loose_refs(path
, name_offset
, tail
)) {
74 int fd
= open(path
->buf
, O_RDONLY
);
80 next
= alloc_ref(path
->buf
+ name_offset
);
81 if (read_in_full(fd
, buffer
, 40) != 40 ||
82 get_sha1_hex(buffer
, next
->old_sha1
)) {
92 strbuf_setlen(path
, pathlen
);
94 for (i
= 0; i
< list
.nr
; i
++)
95 free(list
.entries
[i
]);
101 /* insert the packed refs for which no loose refs were found */
103 static void insert_packed_refs(const char *packed_refs
, struct ref
**list
)
105 FILE *f
= fopen(packed_refs
, "r");
106 static char buffer
[PATH_MAX
];
112 int cmp
= 0; /* assigned before used */
115 if (!fgets(buffer
, sizeof(buffer
), f
)) {
120 if (hexval(buffer
[0]) > 0xf)
122 len
= strlen(buffer
);
123 if (len
&& buffer
[len
- 1] == '\n')
124 buffer
[--len
] = '\0';
127 while ((*list
)->next
&&
128 (cmp
= strcmp(buffer
+ 41,
129 (*list
)->next
->name
)) > 0)
130 list
= &(*list
)->next
;
131 if (!(*list
)->next
|| cmp
< 0) {
132 struct ref
*next
= alloc_ref(buffer
+ 41);
134 if (get_sha1_hex(buffer
, next
->old_sha1
)) {
135 warning ("invalid SHA-1: %s", buffer
);
139 next
->next
= (*list
)->next
;
140 (*list
)->next
= next
;
141 list
= &(*list
)->next
;
146 static void set_upstreams(struct transport
*transport
, struct ref
*refs
,
150 for (ref
= refs
; ref
; ref
= ref
->next
) {
151 const char *localname
;
153 const char *remotename
;
154 unsigned char sha
[20];
157 * Check suitability for tracking. Must be successful /
158 * already up-to-date ref create/modify (not delete).
160 if (ref
->status
!= REF_STATUS_OK
&&
161 ref
->status
!= REF_STATUS_UPTODATE
)
165 if (is_null_sha1(ref
->new_sha1
))
168 /* Follow symbolic refs (mainly for HEAD). */
169 localname
= ref
->peer_ref
->name
;
170 remotename
= ref
->name
;
171 tmp
= resolve_ref_unsafe(localname
, sha
,
172 RESOLVE_REF_READING
, &flag
);
173 if (tmp
&& flag
& REF_ISSYMREF
&&
174 starts_with(tmp
, "refs/heads/"))
177 /* Both source and destination must be local branches. */
178 if (!localname
|| !starts_with(localname
, "refs/heads/"))
180 if (!remotename
|| !starts_with(remotename
, "refs/heads/"))
184 install_branch_config(BRANCH_CONFIG_VERBOSE
,
185 localname
+ 11, transport
->remote
->name
,
188 printf("Would set upstream of '%s' to '%s' of '%s'\n",
189 localname
+ 11, remotename
+ 11,
190 transport
->remote
->name
);
194 static const char *rsync_url(const char *url
)
196 if (!starts_with(url
, "rsync://"))
197 skip_prefix(url
, "rsync:", &url
);
201 static struct ref
*get_refs_via_rsync(struct transport
*transport
, int for_push
)
203 struct strbuf buf
= STRBUF_INIT
, temp_dir
= STRBUF_INIT
;
204 struct ref dummy
= {NULL
}, *tail
= &dummy
;
205 struct child_process rsync
= CHILD_PROCESS_INIT
;
212 /* copy the refs to the temporary directory */
214 strbuf_addstr(&temp_dir
, git_path("rsync-refs-XXXXXX"));
215 if (!mkdtemp(temp_dir
.buf
))
216 die_errno ("Could not make temporary directory");
217 temp_dir_len
= temp_dir
.len
;
219 strbuf_addstr(&buf
, rsync_url(transport
->url
));
220 strbuf_addstr(&buf
, "/refs");
223 rsync
.stdout_to_stderr
= 1;
225 args
[1] = (transport
->verbose
> 1) ? "-rv" : "-r";
227 args
[3] = temp_dir
.buf
;
230 if (run_command(&rsync
))
231 die ("Could not run rsync to get refs");
234 strbuf_addstr(&buf
, rsync_url(transport
->url
));
235 strbuf_addstr(&buf
, "/packed-refs");
239 if (run_command(&rsync
))
240 die ("Could not run rsync to get refs");
242 /* read the copied refs */
244 strbuf_addstr(&temp_dir
, "/refs");
245 read_loose_refs(&temp_dir
, temp_dir_len
+ 1, &tail
);
246 strbuf_setlen(&temp_dir
, temp_dir_len
);
249 strbuf_addstr(&temp_dir
, "/packed-refs");
250 insert_packed_refs(temp_dir
.buf
, &tail
);
251 strbuf_setlen(&temp_dir
, temp_dir_len
);
253 if (remove_dir_recursively(&temp_dir
, 0))
254 warning ("Error removing temporary directory %s.",
257 strbuf_release(&buf
);
258 strbuf_release(&temp_dir
);
263 static int fetch_objs_via_rsync(struct transport
*transport
,
264 int nr_objs
, struct ref
**to_fetch
)
266 struct child_process rsync
= CHILD_PROCESS_INIT
;
268 rsync
.stdout_to_stderr
= 1;
269 argv_array_push(&rsync
.args
, "rsync");
270 argv_array_push(&rsync
.args
, (transport
->verbose
> 1) ? "-rv" : "-r");
271 argv_array_push(&rsync
.args
, "--ignore-existing");
272 argv_array_push(&rsync
.args
, "--exclude");
273 argv_array_push(&rsync
.args
, "info");
274 argv_array_pushf(&rsync
.args
, "%s/objects/", rsync_url(transport
->url
));
275 argv_array_push(&rsync
.args
, get_object_directory());
277 /* NEEDSWORK: handle one level of alternates */
278 return run_command(&rsync
);
281 static int write_one_ref(const char *name
, const unsigned char *sha1
,
282 int flags
, void *data
)
284 struct strbuf
*buf
= data
;
287 /* when called via for_each_ref(), flags is non-zero */
288 if (flags
&& !starts_with(name
, "refs/heads/") &&
289 !starts_with(name
, "refs/tags/"))
292 strbuf_addstr(buf
, name
);
293 if (safe_create_leading_directories(buf
->buf
) ||
294 write_file(buf
->buf
, 0, "%s\n", sha1_to_hex(sha1
)))
295 return error("problems writing temporary file %s: %s",
296 buf
->buf
, strerror(errno
));
297 strbuf_setlen(buf
, len
);
301 static int write_refs_to_temp_dir(struct strbuf
*temp_dir
,
302 int refspec_nr
, const char **refspec
)
306 for (i
= 0; i
< refspec_nr
; i
++) {
307 unsigned char sha1
[20];
310 if (dwim_ref(refspec
[i
], strlen(refspec
[i
]), sha1
, &ref
) != 1)
311 return error("Could not get ref %s", refspec
[i
]);
313 if (write_one_ref(ref
, sha1
, 0, temp_dir
)) {
322 static int rsync_transport_push(struct transport
*transport
,
323 int refspec_nr
, const char **refspec
, int flags
)
325 struct strbuf buf
= STRBUF_INIT
, temp_dir
= STRBUF_INIT
;
327 struct child_process rsync
= CHILD_PROCESS_INIT
;
328 const char *args
[10];
330 if (flags
& TRANSPORT_PUSH_MIRROR
)
331 return error("rsync transport does not support mirror mode");
333 /* first push the objects */
335 strbuf_addstr(&buf
, rsync_url(transport
->url
));
336 strbuf_addch(&buf
, '/');
339 rsync
.stdout_to_stderr
= 1;
343 if (flags
& TRANSPORT_PUSH_DRY_RUN
)
344 args
[i
++] = "--dry-run";
345 if (transport
->verbose
> 1)
347 args
[i
++] = "--ignore-existing";
348 args
[i
++] = "--exclude";
350 args
[i
++] = get_object_directory();
354 if (run_command(&rsync
))
355 return error("Could not push objects to %s",
356 rsync_url(transport
->url
));
358 /* copy the refs to the temporary directory; they could be packed. */
360 strbuf_addstr(&temp_dir
, git_path("rsync-refs-XXXXXX"));
361 if (!mkdtemp(temp_dir
.buf
))
362 die_errno ("Could not make temporary directory");
363 strbuf_addch(&temp_dir
, '/');
365 if (flags
& TRANSPORT_PUSH_ALL
) {
366 if (for_each_ref(write_one_ref
, &temp_dir
))
368 } else if (write_refs_to_temp_dir(&temp_dir
, refspec_nr
, refspec
))
372 if (flags
& TRANSPORT_PUSH_DRY_RUN
)
373 args
[i
++] = "--dry-run";
374 if (!(flags
& TRANSPORT_PUSH_FORCE
))
375 args
[i
++] = "--ignore-existing";
376 args
[i
++] = temp_dir
.buf
;
377 args
[i
++] = rsync_url(transport
->url
);
379 if (run_command(&rsync
))
380 result
= error("Could not push to %s",
381 rsync_url(transport
->url
));
383 if (remove_dir_recursively(&temp_dir
, 0))
384 warning ("Could not remove temporary directory %s.",
387 strbuf_release(&buf
);
388 strbuf_release(&temp_dir
);
393 struct bundle_transport_data
{
395 struct bundle_header header
;
398 static struct ref
*get_refs_from_bundle(struct transport
*transport
, int for_push
)
400 struct bundle_transport_data
*data
= transport
->data
;
401 struct ref
*result
= NULL
;
409 data
->fd
= read_bundle_header(transport
->url
, &data
->header
);
411 die ("Could not read bundle '%s'.", transport
->url
);
412 for (i
= 0; i
< data
->header
.references
.nr
; i
++) {
413 struct ref_list_entry
*e
= data
->header
.references
.list
+ i
;
414 struct ref
*ref
= alloc_ref(e
->name
);
415 hashcpy(ref
->old_sha1
, e
->sha1
);
422 static int fetch_refs_from_bundle(struct transport
*transport
,
423 int nr_heads
, struct ref
**to_fetch
)
425 struct bundle_transport_data
*data
= transport
->data
;
426 return unbundle(&data
->header
, data
->fd
,
427 transport
->progress
? BUNDLE_VERBOSE
: 0);
430 static int close_bundle(struct transport
*transport
)
432 struct bundle_transport_data
*data
= transport
->data
;
439 struct git_transport_data
{
440 struct git_transport_options options
;
441 struct child_process
*conn
;
443 unsigned got_remote_heads
: 1;
444 struct sha1_array extra_have
;
445 struct sha1_array shallow
;
448 static int set_git_option(struct git_transport_options
*opts
,
449 const char *name
, const char *value
)
451 if (!strcmp(name
, TRANS_OPT_UPLOADPACK
)) {
452 opts
->uploadpack
= value
;
454 } else if (!strcmp(name
, TRANS_OPT_RECEIVEPACK
)) {
455 opts
->receivepack
= value
;
457 } else if (!strcmp(name
, TRANS_OPT_THIN
)) {
458 opts
->thin
= !!value
;
460 } else if (!strcmp(name
, TRANS_OPT_FOLLOWTAGS
)) {
461 opts
->followtags
= !!value
;
463 } else if (!strcmp(name
, TRANS_OPT_KEEP
)) {
464 opts
->keep
= !!value
;
466 } else if (!strcmp(name
, TRANS_OPT_UPDATE_SHALLOW
)) {
467 opts
->update_shallow
= !!value
;
469 } else if (!strcmp(name
, TRANS_OPT_DEPTH
)) {
474 opts
->depth
= strtol(value
, &end
, 0);
476 die("transport: invalid depth option '%s'", value
);
483 static int connect_setup(struct transport
*transport
, int for_push
, int verbose
)
485 struct git_transport_data
*data
= transport
->data
;
490 data
->conn
= git_connect(data
->fd
, transport
->url
,
491 for_push
? data
->options
.receivepack
:
492 data
->options
.uploadpack
,
493 verbose
? CONNECT_VERBOSE
: 0);
498 static struct ref
*get_refs_via_connect(struct transport
*transport
, int for_push
)
500 struct git_transport_data
*data
= transport
->data
;
503 connect_setup(transport
, for_push
, 0);
504 get_remote_heads(data
->fd
[0], NULL
, 0, &refs
,
505 for_push
? REF_NORMAL
: 0,
508 data
->got_remote_heads
= 1;
513 static int fetch_refs_via_pack(struct transport
*transport
,
514 int nr_heads
, struct ref
**to_fetch
)
516 struct git_transport_data
*data
= transport
->data
;
517 const struct ref
*refs
;
518 char *dest
= xstrdup(transport
->url
);
519 struct fetch_pack_args args
;
520 struct ref
*refs_tmp
= NULL
;
522 memset(&args
, 0, sizeof(args
));
523 args
.uploadpack
= data
->options
.uploadpack
;
524 args
.keep_pack
= data
->options
.keep
;
526 args
.use_thin_pack
= data
->options
.thin
;
527 args
.include_tag
= data
->options
.followtags
;
528 args
.verbose
= (transport
->verbose
> 1);
529 args
.quiet
= (transport
->verbose
< 0);
530 args
.no_progress
= !transport
->progress
;
531 args
.depth
= data
->options
.depth
;
532 args
.check_self_contained_and_connected
=
533 data
->options
.check_self_contained_and_connected
;
534 args
.cloning
= transport
->cloning
;
535 args
.update_shallow
= data
->options
.update_shallow
;
537 if (!data
->got_remote_heads
) {
538 connect_setup(transport
, 0, 0);
539 get_remote_heads(data
->fd
[0], NULL
, 0, &refs_tmp
, 0,
540 NULL
, &data
->shallow
);
541 data
->got_remote_heads
= 1;
544 refs
= fetch_pack(&args
, data
->fd
, data
->conn
,
545 refs_tmp
? refs_tmp
: transport
->remote_refs
,
546 dest
, to_fetch
, nr_heads
, &data
->shallow
,
547 &transport
->pack_lockfile
);
550 if (finish_connect(data
->conn
))
553 data
->got_remote_heads
= 0;
554 data
->options
.self_contained_and_connected
=
555 args
.self_contained_and_connected
;
560 return (refs
? 0 : -1);
563 static int push_had_errors(struct ref
*ref
)
565 for (; ref
; ref
= ref
->next
) {
566 switch (ref
->status
) {
567 case REF_STATUS_NONE
:
568 case REF_STATUS_UPTODATE
:
578 int transport_refs_pushed(struct ref
*ref
)
580 for (; ref
; ref
= ref
->next
) {
581 switch(ref
->status
) {
582 case REF_STATUS_NONE
:
583 case REF_STATUS_UPTODATE
:
592 void transport_update_tracking_ref(struct remote
*remote
, struct ref
*ref
, int verbose
)
596 if (ref
->status
!= REF_STATUS_OK
&& ref
->status
!= REF_STATUS_UPTODATE
)
602 if (!remote_find_tracking(remote
, &rs
)) {
604 fprintf(stderr
, "updating local tracking ref '%s'\n", rs
.dst
);
606 delete_ref(rs
.dst
, NULL
, 0);
608 update_ref("update by push", rs
.dst
,
609 ref
->new_sha1
, NULL
, 0, 0);
614 static void print_ref_status(char flag
, const char *summary
, struct ref
*to
, struct ref
*from
, const char *msg
, int porcelain
)
618 fprintf(stdout
, "%c\t%s:%s\t", flag
, from
->name
, to
->name
);
620 fprintf(stdout
, "%c\t:%s\t", flag
, to
->name
);
622 fprintf(stdout
, "%s (%s)\n", summary
, msg
);
624 fprintf(stdout
, "%s\n", summary
);
626 fprintf(stderr
, " %c %-*s ", flag
, TRANSPORT_SUMMARY_WIDTH
, summary
);
628 fprintf(stderr
, "%s -> %s", prettify_refname(from
->name
), prettify_refname(to
->name
));
630 fputs(prettify_refname(to
->name
), stderr
);
640 static const char *status_abbrev(unsigned char sha1
[20])
642 return find_unique_abbrev(sha1
, DEFAULT_ABBREV
);
645 static void print_ok_ref_status(struct ref
*ref
, int porcelain
)
648 print_ref_status('-', "[deleted]", ref
, NULL
, NULL
, porcelain
);
649 else if (is_null_sha1(ref
->old_sha1
))
650 print_ref_status('*',
651 (starts_with(ref
->name
, "refs/tags/") ? "[new tag]" :
653 ref
, ref
->peer_ref
, NULL
, porcelain
);
659 strcpy(quickref
, status_abbrev(ref
->old_sha1
));
660 if (ref
->forced_update
) {
661 strcat(quickref
, "...");
663 msg
= "forced update";
665 strcat(quickref
, "..");
669 strcat(quickref
, status_abbrev(ref
->new_sha1
));
671 print_ref_status(type
, quickref
, ref
, ref
->peer_ref
, msg
, porcelain
);
675 static int print_one_push_status(struct ref
*ref
, const char *dest
, int count
, int porcelain
)
678 fprintf(porcelain
? stdout
: stderr
, "To %s\n", dest
);
680 switch(ref
->status
) {
681 case REF_STATUS_NONE
:
682 print_ref_status('X', "[no match]", ref
, NULL
, NULL
, porcelain
);
684 case REF_STATUS_REJECT_NODELETE
:
685 print_ref_status('!', "[rejected]", ref
, NULL
,
686 "remote does not support deleting refs", porcelain
);
688 case REF_STATUS_UPTODATE
:
689 print_ref_status('=', "[up to date]", ref
,
690 ref
->peer_ref
, NULL
, porcelain
);
692 case REF_STATUS_REJECT_NONFASTFORWARD
:
693 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
694 "non-fast-forward", porcelain
);
696 case REF_STATUS_REJECT_ALREADY_EXISTS
:
697 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
698 "already exists", porcelain
);
700 case REF_STATUS_REJECT_FETCH_FIRST
:
701 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
702 "fetch first", porcelain
);
704 case REF_STATUS_REJECT_NEEDS_FORCE
:
705 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
706 "needs force", porcelain
);
708 case REF_STATUS_REJECT_STALE
:
709 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
710 "stale info", porcelain
);
712 case REF_STATUS_REJECT_SHALLOW
:
713 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
714 "new shallow roots not allowed", porcelain
);
716 case REF_STATUS_REMOTE_REJECT
:
717 print_ref_status('!', "[remote rejected]", ref
,
718 ref
->deletion
? NULL
: ref
->peer_ref
,
719 ref
->remote_status
, porcelain
);
721 case REF_STATUS_EXPECTING_REPORT
:
722 print_ref_status('!', "[remote failure]", ref
,
723 ref
->deletion
? NULL
: ref
->peer_ref
,
724 "remote failed to report status", porcelain
);
727 print_ok_ref_status(ref
, porcelain
);
734 void transport_print_push_status(const char *dest
, struct ref
*refs
,
735 int verbose
, int porcelain
, unsigned int *reject_reasons
)
739 unsigned char head_sha1
[20];
742 head
= resolve_refdup("HEAD", head_sha1
, RESOLVE_REF_READING
, NULL
);
745 for (ref
= refs
; ref
; ref
= ref
->next
)
746 if (ref
->status
== REF_STATUS_UPTODATE
)
747 n
+= print_one_push_status(ref
, dest
, n
, porcelain
);
750 for (ref
= refs
; ref
; ref
= ref
->next
)
751 if (ref
->status
== REF_STATUS_OK
)
752 n
+= print_one_push_status(ref
, dest
, n
, porcelain
);
755 for (ref
= refs
; ref
; ref
= ref
->next
) {
756 if (ref
->status
!= REF_STATUS_NONE
&&
757 ref
->status
!= REF_STATUS_UPTODATE
&&
758 ref
->status
!= REF_STATUS_OK
)
759 n
+= print_one_push_status(ref
, dest
, n
, porcelain
);
760 if (ref
->status
== REF_STATUS_REJECT_NONFASTFORWARD
) {
761 if (head
!= NULL
&& !strcmp(head
, ref
->name
))
762 *reject_reasons
|= REJECT_NON_FF_HEAD
;
764 *reject_reasons
|= REJECT_NON_FF_OTHER
;
765 } else if (ref
->status
== REF_STATUS_REJECT_ALREADY_EXISTS
) {
766 *reject_reasons
|= REJECT_ALREADY_EXISTS
;
767 } else if (ref
->status
== REF_STATUS_REJECT_FETCH_FIRST
) {
768 *reject_reasons
|= REJECT_FETCH_FIRST
;
769 } else if (ref
->status
== REF_STATUS_REJECT_NEEDS_FORCE
) {
770 *reject_reasons
|= REJECT_NEEDS_FORCE
;
775 void transport_verify_remote_names(int nr_heads
, const char **heads
)
779 for (i
= 0; i
< nr_heads
; i
++) {
780 const char *local
= heads
[i
];
781 const char *remote
= strrchr(heads
[i
], ':');
786 /* A matching refspec is okay. */
787 if (remote
== local
&& remote
[1] == '\0')
790 remote
= remote
? (remote
+ 1) : local
;
791 if (check_refname_format(remote
,
792 REFNAME_ALLOW_ONELEVEL
|REFNAME_REFSPEC_PATTERN
))
793 die("remote part of refspec is not a valid name in %s",
798 static int git_transport_push(struct transport
*transport
, struct ref
*remote_refs
, int flags
)
800 struct git_transport_data
*data
= transport
->data
;
801 struct send_pack_args args
;
804 if (!data
->got_remote_heads
) {
805 struct ref
*tmp_refs
;
806 connect_setup(transport
, 1, 0);
808 get_remote_heads(data
->fd
[0], NULL
, 0, &tmp_refs
, REF_NORMAL
,
809 NULL
, &data
->shallow
);
810 data
->got_remote_heads
= 1;
813 memset(&args
, 0, sizeof(args
));
814 args
.send_mirror
= !!(flags
& TRANSPORT_PUSH_MIRROR
);
815 args
.force_update
= !!(flags
& TRANSPORT_PUSH_FORCE
);
816 args
.use_thin_pack
= data
->options
.thin
;
817 args
.verbose
= (transport
->verbose
> 0);
818 args
.quiet
= (transport
->verbose
< 0);
819 args
.progress
= transport
->progress
;
820 args
.dry_run
= !!(flags
& TRANSPORT_PUSH_DRY_RUN
);
821 args
.porcelain
= !!(flags
& TRANSPORT_PUSH_PORCELAIN
);
823 ret
= send_pack(&args
, data
->fd
, data
->conn
, remote_refs
,
828 ret
|= finish_connect(data
->conn
);
830 data
->got_remote_heads
= 0;
835 static int connect_git(struct transport
*transport
, const char *name
,
836 const char *executable
, int fd
[2])
838 struct git_transport_data
*data
= transport
->data
;
839 data
->conn
= git_connect(data
->fd
, transport
->url
,
846 static int disconnect_git(struct transport
*transport
)
848 struct git_transport_data
*data
= transport
->data
;
850 if (data
->got_remote_heads
)
851 packet_flush(data
->fd
[1]);
854 finish_connect(data
->conn
);
861 void transport_take_over(struct transport
*transport
,
862 struct child_process
*child
)
864 struct git_transport_data
*data
;
866 if (!transport
->smart_options
)
867 die("Bug detected: Taking over transport requires non-NULL "
868 "smart_options field.");
870 data
= xcalloc(1, sizeof(*data
));
871 data
->options
= *transport
->smart_options
;
873 data
->fd
[0] = data
->conn
->out
;
874 data
->fd
[1] = data
->conn
->in
;
875 data
->got_remote_heads
= 0;
876 transport
->data
= data
;
878 transport
->set_option
= NULL
;
879 transport
->get_refs_list
= get_refs_via_connect
;
880 transport
->fetch
= fetch_refs_via_pack
;
881 transport
->push
= NULL
;
882 transport
->push_refs
= git_transport_push
;
883 transport
->disconnect
= disconnect_git
;
884 transport
->smart_options
= &(data
->options
);
886 transport
->cannot_reuse
= 1;
889 static int is_file(const char *url
)
894 return S_ISREG(buf
.st_mode
);
897 static int external_specification_len(const char *url
)
899 return strchr(url
, ':') - url
;
902 struct transport
*transport_get(struct remote
*remote
, const char *url
)
905 struct transport
*ret
= xcalloc(1, sizeof(*ret
));
907 ret
->progress
= isatty(2);
910 die("No remote provided to transport_get()");
912 ret
->got_remote_refs
= 0;
913 ret
->remote
= remote
;
914 helper
= remote
->foreign_vcs
;
916 if (!url
&& remote
->url
)
917 url
= remote
->url
[0];
920 /* maybe it is a foreign URL? */
924 while (is_urlschemechar(p
== url
, *p
))
926 if (starts_with(p
, "::"))
927 helper
= xstrndup(url
, p
- url
);
931 transport_helper_init(ret
, helper
);
932 } else if (starts_with(url
, "rsync:")) {
933 ret
->get_refs_list
= get_refs_via_rsync
;
934 ret
->fetch
= fetch_objs_via_rsync
;
935 ret
->push
= rsync_transport_push
;
936 ret
->smart_options
= NULL
;
937 } else if (url_is_local_not_ssh(url
) && is_file(url
) && is_bundle(url
, 1)) {
938 struct bundle_transport_data
*data
= xcalloc(1, sizeof(*data
));
940 ret
->get_refs_list
= get_refs_from_bundle
;
941 ret
->fetch
= fetch_refs_from_bundle
;
942 ret
->disconnect
= close_bundle
;
943 ret
->smart_options
= NULL
;
944 } else if (!is_url(url
)
945 || starts_with(url
, "file://")
946 || starts_with(url
, "git://")
947 || starts_with(url
, "ssh://")
948 || starts_with(url
, "git+ssh://")
949 || starts_with(url
, "ssh+git://")) {
950 /* These are builtin smart transports. */
951 struct git_transport_data
*data
= xcalloc(1, sizeof(*data
));
953 ret
->set_option
= NULL
;
954 ret
->get_refs_list
= get_refs_via_connect
;
955 ret
->fetch
= fetch_refs_via_pack
;
956 ret
->push_refs
= git_transport_push
;
957 ret
->connect
= connect_git
;
958 ret
->disconnect
= disconnect_git
;
959 ret
->smart_options
= &(data
->options
);
962 data
->got_remote_heads
= 0;
964 /* Unknown protocol in URL. Pass to external handler. */
965 int len
= external_specification_len(url
);
966 char *handler
= xmalloc(len
+ 1);
968 strncpy(handler
, url
, len
);
969 transport_helper_init(ret
, handler
);
972 if (ret
->smart_options
) {
973 ret
->smart_options
->thin
= 1;
974 ret
->smart_options
->uploadpack
= "git-upload-pack";
975 if (remote
->uploadpack
)
976 ret
->smart_options
->uploadpack
= remote
->uploadpack
;
977 ret
->smart_options
->receivepack
= "git-receive-pack";
978 if (remote
->receivepack
)
979 ret
->smart_options
->receivepack
= remote
->receivepack
;
985 int transport_set_option(struct transport
*transport
,
986 const char *name
, const char *value
)
988 int git_reports
= 1, protocol_reports
= 1;
990 if (transport
->smart_options
)
991 git_reports
= set_git_option(transport
->smart_options
,
994 if (transport
->set_option
)
995 protocol_reports
= transport
->set_option(transport
, name
,
998 /* If either report is 0, report 0 (success). */
999 if (!git_reports
|| !protocol_reports
)
1001 /* If either reports -1 (invalid value), report -1. */
1002 if ((git_reports
== -1) || (protocol_reports
== -1))
1004 /* Otherwise if both report unknown, report unknown. */
1008 void transport_set_verbosity(struct transport
*transport
, int verbosity
,
1012 transport
->verbose
= verbosity
<= 3 ? verbosity
: 3;
1014 transport
->verbose
= -1;
1017 * Rules used to determine whether to report progress (processing aborts
1018 * when a rule is satisfied):
1020 * . Report progress, if force_progress is 1 (ie. --progress).
1021 * . Don't report progress, if force_progress is 0 (ie. --no-progress).
1022 * . Don't report progress, if verbosity < 0 (ie. -q/--quiet ).
1023 * . Report progress if isatty(2) is 1.
1025 if (force_progress
>= 0)
1026 transport
->progress
= !!force_progress
;
1028 transport
->progress
= verbosity
>= 0 && isatty(2);
1031 static void die_with_unpushed_submodules(struct string_list
*needs_pushing
)
1035 fprintf(stderr
, "The following submodule paths contain changes that can\n"
1036 "not be found on any remote:\n");
1037 for (i
= 0; i
< needs_pushing
->nr
; i
++)
1038 printf(" %s\n", needs_pushing
->items
[i
].string
);
1039 fprintf(stderr
, "\nPlease try\n\n"
1040 " git push --recurse-submodules=on-demand\n\n"
1041 "or cd to the path and use\n\n"
1043 "to push them to a remote.\n\n");
1045 string_list_clear(needs_pushing
, 0);
1050 static int run_pre_push_hook(struct transport
*transport
,
1051 struct ref
*remote_refs
)
1055 struct child_process proc
= CHILD_PROCESS_INIT
;
1057 const char *argv
[4];
1059 if (!(argv
[0] = find_hook("pre-push")))
1062 argv
[1] = transport
->remote
->name
;
1063 argv
[2] = transport
->url
;
1069 if (start_command(&proc
)) {
1070 finish_command(&proc
);
1074 strbuf_init(&buf
, 256);
1076 for (r
= remote_refs
; r
; r
= r
->next
) {
1077 if (!r
->peer_ref
) continue;
1078 if (r
->status
== REF_STATUS_REJECT_NONFASTFORWARD
) continue;
1079 if (r
->status
== REF_STATUS_REJECT_STALE
) continue;
1080 if (r
->status
== REF_STATUS_UPTODATE
) continue;
1083 strbuf_addf( &buf
, "%s %s %s %s\n",
1084 r
->peer_ref
->name
, sha1_to_hex(r
->new_sha1
),
1085 r
->name
, sha1_to_hex(r
->old_sha1
));
1087 if (write_in_full(proc
.in
, buf
.buf
, buf
.len
) != buf
.len
) {
1093 strbuf_release(&buf
);
1099 x
= finish_command(&proc
);
1106 int transport_push(struct transport
*transport
,
1107 int refspec_nr
, const char **refspec
, int flags
,
1108 unsigned int *reject_reasons
)
1110 *reject_reasons
= 0;
1111 transport_verify_remote_names(refspec_nr
, refspec
);
1113 if (transport
->push
) {
1114 /* Maybe FIXME. But no important transport uses this case. */
1115 if (flags
& TRANSPORT_PUSH_SET_UPSTREAM
)
1116 die("This transport does not support using --set-upstream");
1118 return transport
->push(transport
, refspec_nr
, refspec
, flags
);
1119 } else if (transport
->push_refs
) {
1120 struct ref
*remote_refs
;
1121 struct ref
*local_refs
= get_local_heads();
1122 int match_flags
= MATCH_REFS_NONE
;
1123 int verbose
= (transport
->verbose
> 0);
1124 int quiet
= (transport
->verbose
< 0);
1125 int porcelain
= flags
& TRANSPORT_PUSH_PORCELAIN
;
1126 int pretend
= flags
& TRANSPORT_PUSH_DRY_RUN
;
1127 int push_ret
, ret
, err
;
1129 if (check_push_refs(local_refs
, refspec_nr
, refspec
) < 0)
1132 remote_refs
= transport
->get_refs_list(transport
, 1);
1134 if (flags
& TRANSPORT_PUSH_ALL
)
1135 match_flags
|= MATCH_REFS_ALL
;
1136 if (flags
& TRANSPORT_PUSH_MIRROR
)
1137 match_flags
|= MATCH_REFS_MIRROR
;
1138 if (flags
& TRANSPORT_PUSH_PRUNE
)
1139 match_flags
|= MATCH_REFS_PRUNE
;
1140 if (flags
& TRANSPORT_PUSH_FOLLOW_TAGS
)
1141 match_flags
|= MATCH_REFS_FOLLOW_TAGS
;
1143 if (match_push_refs(local_refs
, &remote_refs
,
1144 refspec_nr
, refspec
, match_flags
)) {
1148 if (transport
->smart_options
&&
1149 transport
->smart_options
->cas
&&
1150 !is_empty_cas(transport
->smart_options
->cas
))
1151 apply_push_cas(transport
->smart_options
->cas
,
1152 transport
->remote
, remote_refs
);
1154 set_ref_status_for_push(remote_refs
,
1155 flags
& TRANSPORT_PUSH_MIRROR
,
1156 flags
& TRANSPORT_PUSH_FORCE
);
1158 if (!(flags
& TRANSPORT_PUSH_NO_HOOK
))
1159 if (run_pre_push_hook(transport
, remote_refs
))
1162 if ((flags
& TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND
) && !is_bare_repository()) {
1163 struct ref
*ref
= remote_refs
;
1164 for (; ref
; ref
= ref
->next
)
1165 if (!is_null_sha1(ref
->new_sha1
) &&
1166 !push_unpushed_submodules(ref
->new_sha1
,
1167 transport
->remote
->name
))
1168 die ("Failed to push all needed submodules!");
1171 if ((flags
& (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND
|
1172 TRANSPORT_RECURSE_SUBMODULES_CHECK
)) && !is_bare_repository()) {
1173 struct ref
*ref
= remote_refs
;
1174 struct string_list needs_pushing
= STRING_LIST_INIT_DUP
;
1176 for (; ref
; ref
= ref
->next
)
1177 if (!is_null_sha1(ref
->new_sha1
) &&
1178 find_unpushed_submodules(ref
->new_sha1
,
1179 transport
->remote
->name
, &needs_pushing
))
1180 die_with_unpushed_submodules(&needs_pushing
);
1183 push_ret
= transport
->push_refs(transport
, remote_refs
, flags
);
1184 err
= push_had_errors(remote_refs
);
1185 ret
= push_ret
| err
;
1188 transport_print_push_status(transport
->url
, remote_refs
,
1189 verbose
| porcelain
, porcelain
,
1192 if (flags
& TRANSPORT_PUSH_SET_UPSTREAM
)
1193 set_upstreams(transport
, remote_refs
, pretend
);
1195 if (!(flags
& TRANSPORT_PUSH_DRY_RUN
)) {
1197 for (ref
= remote_refs
; ref
; ref
= ref
->next
)
1198 transport_update_tracking_ref(transport
->remote
, ref
, verbose
);
1201 if (porcelain
&& !push_ret
)
1203 else if (!quiet
&& !ret
&& !transport_refs_pushed(remote_refs
))
1204 fprintf(stderr
, "Everything up-to-date\n");
1211 const struct ref
*transport_get_remote_refs(struct transport
*transport
)
1213 if (!transport
->got_remote_refs
) {
1214 transport
->remote_refs
= transport
->get_refs_list(transport
, 0);
1215 transport
->got_remote_refs
= 1;
1218 return transport
->remote_refs
;
1221 int transport_fetch_refs(struct transport
*transport
, struct ref
*refs
)
1224 int nr_heads
= 0, nr_alloc
= 0, nr_refs
= 0;
1225 struct ref
**heads
= NULL
;
1228 for (rm
= refs
; rm
; rm
= rm
->next
) {
1231 !is_null_sha1(rm
->old_sha1
) &&
1232 !hashcmp(rm
->peer_ref
->old_sha1
, rm
->old_sha1
))
1234 ALLOC_GROW(heads
, nr_heads
+ 1, nr_alloc
);
1235 heads
[nr_heads
++] = rm
;
1240 * When deepening of a shallow repository is requested,
1241 * then local and remote refs are likely to still be equal.
1242 * Just feed them all to the fetch method in that case.
1243 * This condition shouldn't be met in a non-deepening fetch
1244 * (see builtin/fetch.c:quickfetch()).
1246 heads
= xmalloc(nr_refs
* sizeof(*heads
));
1247 for (rm
= refs
; rm
; rm
= rm
->next
)
1248 heads
[nr_heads
++] = rm
;
1251 rc
= transport
->fetch(transport
, nr_heads
, heads
);
1257 void transport_unlock_pack(struct transport
*transport
)
1259 if (transport
->pack_lockfile
) {
1260 unlink_or_warn(transport
->pack_lockfile
);
1261 free(transport
->pack_lockfile
);
1262 transport
->pack_lockfile
= NULL
;
1266 int transport_connect(struct transport
*transport
, const char *name
,
1267 const char *exec
, int fd
[2])
1269 if (transport
->connect
)
1270 return transport
->connect(transport
, name
, exec
, fd
);
1272 die("Operation not supported by protocol");
1275 int transport_disconnect(struct transport
*transport
)
1278 if (transport
->disconnect
)
1279 ret
= transport
->disconnect(transport
);
1285 * Strip username (and password) from a URL and return
1286 * it in a newly allocated string.
1288 char *transport_anonymize_url(const char *url
)
1290 char *anon_url
, *scheme_prefix
, *anon_part
;
1291 size_t anon_len
, prefix_len
= 0;
1293 anon_part
= strchr(url
, '@');
1294 if (url_is_local_not_ssh(url
) || !anon_part
)
1297 anon_len
= strlen(++anon_part
);
1298 scheme_prefix
= strstr(url
, "://");
1299 if (!scheme_prefix
) {
1300 if (!strchr(anon_part
, ':'))
1301 /* cannot be "me@there:/path/name" */
1305 /* make sure scheme is reasonable */
1306 for (cp
= url
; cp
< scheme_prefix
; cp
++) {
1309 case '+': case '.': case '-':
1318 /* @ past the first slash does not count */
1319 cp
= strchr(scheme_prefix
+ 3, '/');
1320 if (cp
&& cp
< anon_part
)
1322 prefix_len
= scheme_prefix
- url
+ 3;
1324 anon_url
= xcalloc(1, 1 + prefix_len
+ anon_len
);
1325 memcpy(anon_url
, url
, prefix_len
);
1326 memcpy(anon_url
+ prefix_len
, anon_part
, anon_len
);
1329 return xstrdup(url
);
1332 struct alternate_refs_data
{
1333 alternate_ref_fn
*fn
;
1337 static int refs_from_alternate_cb(struct alternate_object_database
*e
,
1342 struct remote
*remote
;
1343 struct transport
*transport
;
1344 const struct ref
*extra
;
1345 struct alternate_refs_data
*cb
= data
;
1348 other
= xstrdup(real_path(e
->base
));
1350 len
= strlen(other
);
1352 while (other
[len
-1] == '/')
1353 other
[--len
] = '\0';
1354 if (len
< 8 || memcmp(other
+ len
- 8, "/objects", 8))
1356 /* Is this a git repository with refs? */
1357 memcpy(other
+ len
- 8, "/refs", 6);
1358 if (!is_directory(other
))
1360 other
[len
- 8] = '\0';
1361 remote
= remote_get(other
);
1362 transport
= transport_get(remote
, other
);
1363 for (extra
= transport_get_remote_refs(transport
);
1365 extra
= extra
->next
)
1366 cb
->fn(extra
, cb
->data
);
1367 transport_disconnect(transport
);
1373 void for_each_alternate_ref(alternate_ref_fn fn
, void *data
)
1375 struct alternate_refs_data cb
;
1378 foreach_alt_odb(refs_from_alternate_cb
, &cb
);