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
, 1, &flag
);
172 if (tmp
&& flag
& REF_ISSYMREF
&&
173 !prefixcmp(tmp
, "refs/heads/"))
176 /* Both source and destination must be local branches. */
177 if (!localname
|| prefixcmp(localname
, "refs/heads/"))
179 if (!remotename
|| prefixcmp(remotename
, "refs/heads/"))
183 install_branch_config(BRANCH_CONFIG_VERBOSE
,
184 localname
+ 11, transport
->remote
->name
,
187 printf("Would set upstream of '%s' to '%s' of '%s'\n",
188 localname
+ 11, remotename
+ 11,
189 transport
->remote
->name
);
193 static const char *rsync_url(const char *url
)
195 return prefixcmp(url
, "rsync://") ? skip_prefix(url
, "rsync:") : url
;
198 static struct ref
*get_refs_via_rsync(struct transport
*transport
, int for_push
)
200 struct strbuf buf
= STRBUF_INIT
, temp_dir
= STRBUF_INIT
;
201 struct ref dummy
= {NULL
}, *tail
= &dummy
;
202 struct child_process rsync
;
209 /* copy the refs to the temporary directory */
211 strbuf_addstr(&temp_dir
, git_path("rsync-refs-XXXXXX"));
212 if (!mkdtemp(temp_dir
.buf
))
213 die_errno ("Could not make temporary directory");
214 temp_dir_len
= temp_dir
.len
;
216 strbuf_addstr(&buf
, rsync_url(transport
->url
));
217 strbuf_addstr(&buf
, "/refs");
219 memset(&rsync
, 0, sizeof(rsync
));
221 rsync
.stdout_to_stderr
= 1;
223 args
[1] = (transport
->verbose
> 1) ? "-rv" : "-r";
225 args
[3] = temp_dir
.buf
;
228 if (run_command(&rsync
))
229 die ("Could not run rsync to get refs");
232 strbuf_addstr(&buf
, rsync_url(transport
->url
));
233 strbuf_addstr(&buf
, "/packed-refs");
237 if (run_command(&rsync
))
238 die ("Could not run rsync to get refs");
240 /* read the copied refs */
242 strbuf_addstr(&temp_dir
, "/refs");
243 read_loose_refs(&temp_dir
, temp_dir_len
+ 1, &tail
);
244 strbuf_setlen(&temp_dir
, temp_dir_len
);
247 strbuf_addstr(&temp_dir
, "/packed-refs");
248 insert_packed_refs(temp_dir
.buf
, &tail
);
249 strbuf_setlen(&temp_dir
, temp_dir_len
);
251 if (remove_dir_recursively(&temp_dir
, 0))
252 warning ("Error removing temporary directory %s.",
255 strbuf_release(&buf
);
256 strbuf_release(&temp_dir
);
261 static int fetch_objs_via_rsync(struct transport
*transport
,
262 int nr_objs
, struct ref
**to_fetch
)
264 struct strbuf buf
= STRBUF_INIT
;
265 struct child_process rsync
;
269 strbuf_addstr(&buf
, rsync_url(transport
->url
));
270 strbuf_addstr(&buf
, "/objects/");
272 memset(&rsync
, 0, sizeof(rsync
));
274 rsync
.stdout_to_stderr
= 1;
276 args
[1] = (transport
->verbose
> 1) ? "-rv" : "-r";
277 args
[2] = "--ignore-existing";
278 args
[3] = "--exclude";
281 args
[6] = get_object_directory();
284 /* NEEDSWORK: handle one level of alternates */
285 result
= run_command(&rsync
);
287 strbuf_release(&buf
);
292 static int write_one_ref(const char *name
, const unsigned char *sha1
,
293 int flags
, void *data
)
295 struct strbuf
*buf
= data
;
299 /* when called via for_each_ref(), flags is non-zero */
300 if (flags
&& prefixcmp(name
, "refs/heads/") &&
301 prefixcmp(name
, "refs/tags/"))
304 strbuf_addstr(buf
, name
);
305 if (safe_create_leading_directories(buf
->buf
) ||
306 !(f
= fopen(buf
->buf
, "w")) ||
307 fprintf(f
, "%s\n", sha1_to_hex(sha1
)) < 0 ||
309 return error("problems writing temporary file %s", buf
->buf
);
310 strbuf_setlen(buf
, len
);
314 static int write_refs_to_temp_dir(struct strbuf
*temp_dir
,
315 int refspec_nr
, const char **refspec
)
319 for (i
= 0; i
< refspec_nr
; i
++) {
320 unsigned char sha1
[20];
323 if (dwim_ref(refspec
[i
], strlen(refspec
[i
]), sha1
, &ref
) != 1)
324 return error("Could not get ref %s", refspec
[i
]);
326 if (write_one_ref(ref
, sha1
, 0, temp_dir
)) {
335 static int rsync_transport_push(struct transport
*transport
,
336 int refspec_nr
, const char **refspec
, int flags
)
338 struct strbuf buf
= STRBUF_INIT
, temp_dir
= STRBUF_INIT
;
340 struct child_process rsync
;
341 const char *args
[10];
343 if (flags
& TRANSPORT_PUSH_MIRROR
)
344 return error("rsync transport does not support mirror mode");
346 /* first push the objects */
348 strbuf_addstr(&buf
, rsync_url(transport
->url
));
349 strbuf_addch(&buf
, '/');
351 memset(&rsync
, 0, sizeof(rsync
));
353 rsync
.stdout_to_stderr
= 1;
357 if (flags
& TRANSPORT_PUSH_DRY_RUN
)
358 args
[i
++] = "--dry-run";
359 if (transport
->verbose
> 1)
361 args
[i
++] = "--ignore-existing";
362 args
[i
++] = "--exclude";
364 args
[i
++] = get_object_directory();
368 if (run_command(&rsync
))
369 return error("Could not push objects to %s",
370 rsync_url(transport
->url
));
372 /* copy the refs to the temporary directory; they could be packed. */
374 strbuf_addstr(&temp_dir
, git_path("rsync-refs-XXXXXX"));
375 if (!mkdtemp(temp_dir
.buf
))
376 die_errno ("Could not make temporary directory");
377 strbuf_addch(&temp_dir
, '/');
379 if (flags
& TRANSPORT_PUSH_ALL
) {
380 if (for_each_ref(write_one_ref
, &temp_dir
))
382 } else if (write_refs_to_temp_dir(&temp_dir
, refspec_nr
, refspec
))
386 if (flags
& TRANSPORT_PUSH_DRY_RUN
)
387 args
[i
++] = "--dry-run";
388 if (!(flags
& TRANSPORT_PUSH_FORCE
))
389 args
[i
++] = "--ignore-existing";
390 args
[i
++] = temp_dir
.buf
;
391 args
[i
++] = rsync_url(transport
->url
);
393 if (run_command(&rsync
))
394 result
= error("Could not push to %s",
395 rsync_url(transport
->url
));
397 if (remove_dir_recursively(&temp_dir
, 0))
398 warning ("Could not remove temporary directory %s.",
401 strbuf_release(&buf
);
402 strbuf_release(&temp_dir
);
407 struct bundle_transport_data
{
409 struct bundle_header header
;
412 static struct ref
*get_refs_from_bundle(struct transport
*transport
, int for_push
)
414 struct bundle_transport_data
*data
= transport
->data
;
415 struct ref
*result
= NULL
;
423 data
->fd
= read_bundle_header(transport
->url
, &data
->header
);
425 die ("Could not read bundle '%s'.", transport
->url
);
426 for (i
= 0; i
< data
->header
.references
.nr
; i
++) {
427 struct ref_list_entry
*e
= data
->header
.references
.list
+ i
;
428 struct ref
*ref
= alloc_ref(e
->name
);
429 hashcpy(ref
->old_sha1
, e
->sha1
);
436 static int fetch_refs_from_bundle(struct transport
*transport
,
437 int nr_heads
, struct ref
**to_fetch
)
439 struct bundle_transport_data
*data
= transport
->data
;
440 return unbundle(&data
->header
, data
->fd
,
441 transport
->progress
? BUNDLE_VERBOSE
: 0);
444 static int close_bundle(struct transport
*transport
)
446 struct bundle_transport_data
*data
= transport
->data
;
453 struct git_transport_data
{
454 struct git_transport_options options
;
455 struct child_process
*conn
;
457 unsigned got_remote_heads
: 1;
458 struct sha1_array extra_have
;
459 struct sha1_array shallow
;
462 static int set_git_option(struct git_transport_options
*opts
,
463 const char *name
, const char *value
)
465 if (!strcmp(name
, TRANS_OPT_UPLOADPACK
)) {
466 opts
->uploadpack
= value
;
468 } else if (!strcmp(name
, TRANS_OPT_RECEIVEPACK
)) {
469 opts
->receivepack
= value
;
471 } else if (!strcmp(name
, TRANS_OPT_THIN
)) {
472 opts
->thin
= !!value
;
474 } else if (!strcmp(name
, TRANS_OPT_FOLLOWTAGS
)) {
475 opts
->followtags
= !!value
;
477 } else if (!strcmp(name
, TRANS_OPT_KEEP
)) {
478 opts
->keep
= !!value
;
480 } else if (!strcmp(name
, TRANS_OPT_DEPTH
)) {
485 opts
->depth
= strtol(value
, &end
, 0);
487 die("transport: invalid depth option '%s'", value
);
494 static int connect_setup(struct transport
*transport
, int for_push
, int verbose
)
496 struct git_transport_data
*data
= transport
->data
;
501 data
->conn
= git_connect(data
->fd
, transport
->url
,
502 for_push
? data
->options
.receivepack
:
503 data
->options
.uploadpack
,
504 verbose
? CONNECT_VERBOSE
: 0);
509 static struct ref
*get_refs_via_connect(struct transport
*transport
, int for_push
)
511 struct git_transport_data
*data
= transport
->data
;
514 connect_setup(transport
, for_push
, 0);
515 get_remote_heads(data
->fd
[0], NULL
, 0, &refs
,
516 for_push
? REF_NORMAL
: 0,
519 data
->got_remote_heads
= 1;
524 static int fetch_refs_via_pack(struct transport
*transport
,
525 int nr_heads
, struct ref
**to_fetch
)
527 struct git_transport_data
*data
= transport
->data
;
528 const struct ref
*refs
;
529 char *dest
= xstrdup(transport
->url
);
530 struct fetch_pack_args args
;
531 struct ref
*refs_tmp
= NULL
;
533 memset(&args
, 0, sizeof(args
));
534 args
.uploadpack
= data
->options
.uploadpack
;
535 args
.keep_pack
= data
->options
.keep
;
537 args
.use_thin_pack
= data
->options
.thin
;
538 args
.include_tag
= data
->options
.followtags
;
539 args
.verbose
= (transport
->verbose
> 1);
540 args
.quiet
= (transport
->verbose
< 0);
541 args
.no_progress
= !transport
->progress
;
542 args
.depth
= data
->options
.depth
;
543 args
.check_self_contained_and_connected
=
544 data
->options
.check_self_contained_and_connected
;
545 args
.cloning
= transport
->cloning
;
547 if (!data
->got_remote_heads
) {
548 connect_setup(transport
, 0, 0);
549 get_remote_heads(data
->fd
[0], NULL
, 0, &refs_tmp
, 0,
550 NULL
, &data
->shallow
);
551 data
->got_remote_heads
= 1;
554 refs
= fetch_pack(&args
, data
->fd
, data
->conn
,
555 refs_tmp
? refs_tmp
: transport
->remote_refs
,
556 dest
, to_fetch
, nr_heads
, &data
->shallow
,
557 &transport
->pack_lockfile
);
560 if (finish_connect(data
->conn
))
563 data
->got_remote_heads
= 0;
564 data
->options
.self_contained_and_connected
=
565 args
.self_contained_and_connected
;
570 return (refs
? 0 : -1);
573 static int push_had_errors(struct ref
*ref
)
575 for (; ref
; ref
= ref
->next
) {
576 switch (ref
->status
) {
577 case REF_STATUS_NONE
:
578 case REF_STATUS_UPTODATE
:
588 int transport_refs_pushed(struct ref
*ref
)
590 for (; ref
; ref
= ref
->next
) {
591 switch(ref
->status
) {
592 case REF_STATUS_NONE
:
593 case REF_STATUS_UPTODATE
:
602 void transport_update_tracking_ref(struct remote
*remote
, struct ref
*ref
, int verbose
)
606 if (ref
->status
!= REF_STATUS_OK
&& ref
->status
!= REF_STATUS_UPTODATE
)
612 if (!remote_find_tracking(remote
, &rs
)) {
614 fprintf(stderr
, "updating local tracking ref '%s'\n", rs
.dst
);
616 delete_ref(rs
.dst
, NULL
, 0);
618 update_ref("update by push", rs
.dst
,
619 ref
->new_sha1
, NULL
, 0, 0);
624 static void print_ref_status(char flag
, const char *summary
, struct ref
*to
, struct ref
*from
, const char *msg
, int porcelain
)
628 fprintf(stdout
, "%c\t%s:%s\t", flag
, from
->name
, to
->name
);
630 fprintf(stdout
, "%c\t:%s\t", flag
, to
->name
);
632 fprintf(stdout
, "%s (%s)\n", summary
, msg
);
634 fprintf(stdout
, "%s\n", summary
);
636 fprintf(stderr
, " %c %-*s ", flag
, TRANSPORT_SUMMARY_WIDTH
, summary
);
638 fprintf(stderr
, "%s -> %s", prettify_refname(from
->name
), prettify_refname(to
->name
));
640 fputs(prettify_refname(to
->name
), stderr
);
650 static const char *status_abbrev(unsigned char sha1
[20])
652 return find_unique_abbrev(sha1
, DEFAULT_ABBREV
);
655 static void print_ok_ref_status(struct ref
*ref
, int porcelain
)
658 print_ref_status('-', "[deleted]", ref
, NULL
, NULL
, porcelain
);
659 else if (is_null_sha1(ref
->old_sha1
))
660 print_ref_status('*',
661 (!prefixcmp(ref
->name
, "refs/tags/") ? "[new tag]" :
663 ref
, ref
->peer_ref
, NULL
, porcelain
);
669 strcpy(quickref
, status_abbrev(ref
->old_sha1
));
670 if (ref
->forced_update
) {
671 strcat(quickref
, "...");
673 msg
= "forced update";
675 strcat(quickref
, "..");
679 strcat(quickref
, status_abbrev(ref
->new_sha1
));
681 print_ref_status(type
, quickref
, ref
, ref
->peer_ref
, msg
, porcelain
);
685 static int print_one_push_status(struct ref
*ref
, const char *dest
, int count
, int porcelain
)
688 fprintf(porcelain
? stdout
: stderr
, "To %s\n", dest
);
690 switch(ref
->status
) {
691 case REF_STATUS_NONE
:
692 print_ref_status('X', "[no match]", ref
, NULL
, NULL
, porcelain
);
694 case REF_STATUS_REJECT_NODELETE
:
695 print_ref_status('!', "[rejected]", ref
, NULL
,
696 "remote does not support deleting refs", porcelain
);
698 case REF_STATUS_UPTODATE
:
699 print_ref_status('=', "[up to date]", ref
,
700 ref
->peer_ref
, NULL
, porcelain
);
702 case REF_STATUS_REJECT_NONFASTFORWARD
:
703 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
704 "non-fast-forward", porcelain
);
706 case REF_STATUS_REJECT_ALREADY_EXISTS
:
707 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
708 "already exists", porcelain
);
710 case REF_STATUS_REJECT_FETCH_FIRST
:
711 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
712 "fetch first", porcelain
);
714 case REF_STATUS_REJECT_NEEDS_FORCE
:
715 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
716 "needs force", porcelain
);
718 case REF_STATUS_REJECT_STALE
:
719 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
720 "stale info", porcelain
);
722 case REF_STATUS_REJECT_SHALLOW
:
723 print_ref_status('!', "[rejected]", ref
, ref
->peer_ref
,
724 "new shallow roots not allowed", porcelain
);
726 case REF_STATUS_REMOTE_REJECT
:
727 print_ref_status('!', "[remote rejected]", ref
,
728 ref
->deletion
? NULL
: ref
->peer_ref
,
729 ref
->remote_status
, porcelain
);
731 case REF_STATUS_EXPECTING_REPORT
:
732 print_ref_status('!', "[remote failure]", ref
,
733 ref
->deletion
? NULL
: ref
->peer_ref
,
734 "remote failed to report status", porcelain
);
737 print_ok_ref_status(ref
, porcelain
);
744 void transport_print_push_status(const char *dest
, struct ref
*refs
,
745 int verbose
, int porcelain
, unsigned int *reject_reasons
)
749 unsigned char head_sha1
[20];
752 head
= resolve_refdup("HEAD", head_sha1
, 1, NULL
);
755 for (ref
= refs
; ref
; ref
= ref
->next
)
756 if (ref
->status
== REF_STATUS_UPTODATE
)
757 n
+= print_one_push_status(ref
, dest
, n
, porcelain
);
760 for (ref
= refs
; ref
; ref
= ref
->next
)
761 if (ref
->status
== REF_STATUS_OK
)
762 n
+= print_one_push_status(ref
, dest
, n
, porcelain
);
765 for (ref
= refs
; ref
; ref
= ref
->next
) {
766 if (ref
->status
!= REF_STATUS_NONE
&&
767 ref
->status
!= REF_STATUS_UPTODATE
&&
768 ref
->status
!= REF_STATUS_OK
)
769 n
+= print_one_push_status(ref
, dest
, n
, porcelain
);
770 if (ref
->status
== REF_STATUS_REJECT_NONFASTFORWARD
) {
771 if (head
!= NULL
&& !strcmp(head
, ref
->name
))
772 *reject_reasons
|= REJECT_NON_FF_HEAD
;
774 *reject_reasons
|= REJECT_NON_FF_OTHER
;
775 } else if (ref
->status
== REF_STATUS_REJECT_ALREADY_EXISTS
) {
776 *reject_reasons
|= REJECT_ALREADY_EXISTS
;
777 } else if (ref
->status
== REF_STATUS_REJECT_FETCH_FIRST
) {
778 *reject_reasons
|= REJECT_FETCH_FIRST
;
779 } else if (ref
->status
== REF_STATUS_REJECT_NEEDS_FORCE
) {
780 *reject_reasons
|= REJECT_NEEDS_FORCE
;
785 void transport_verify_remote_names(int nr_heads
, const char **heads
)
789 for (i
= 0; i
< nr_heads
; i
++) {
790 const char *local
= heads
[i
];
791 const char *remote
= strrchr(heads
[i
], ':');
796 /* A matching refspec is okay. */
797 if (remote
== local
&& remote
[1] == '\0')
800 remote
= remote
? (remote
+ 1) : local
;
801 if (check_refname_format(remote
,
802 REFNAME_ALLOW_ONELEVEL
|REFNAME_REFSPEC_PATTERN
))
803 die("remote part of refspec is not a valid name in %s",
808 static int git_transport_push(struct transport
*transport
, struct ref
*remote_refs
, int flags
)
810 struct git_transport_data
*data
= transport
->data
;
811 struct send_pack_args args
;
814 if (!data
->got_remote_heads
) {
815 struct ref
*tmp_refs
;
816 connect_setup(transport
, 1, 0);
818 get_remote_heads(data
->fd
[0], NULL
, 0, &tmp_refs
, REF_NORMAL
, NULL
, NULL
);
819 data
->got_remote_heads
= 1;
821 if (data
->shallow
.nr
)
822 die("pushing to a shallow repository is not supported");
824 memset(&args
, 0, sizeof(args
));
825 args
.send_mirror
= !!(flags
& TRANSPORT_PUSH_MIRROR
);
826 args
.force_update
= !!(flags
& TRANSPORT_PUSH_FORCE
);
827 args
.use_thin_pack
= data
->options
.thin
;
828 args
.verbose
= (transport
->verbose
> 0);
829 args
.quiet
= (transport
->verbose
< 0);
830 args
.progress
= transport
->progress
;
831 args
.dry_run
= !!(flags
& TRANSPORT_PUSH_DRY_RUN
);
832 args
.porcelain
= !!(flags
& TRANSPORT_PUSH_PORCELAIN
);
834 ret
= send_pack(&args
, data
->fd
, data
->conn
, remote_refs
,
839 ret
|= finish_connect(data
->conn
);
841 data
->got_remote_heads
= 0;
846 static int connect_git(struct transport
*transport
, const char *name
,
847 const char *executable
, int fd
[2])
849 struct git_transport_data
*data
= transport
->data
;
850 data
->conn
= git_connect(data
->fd
, transport
->url
,
857 static int disconnect_git(struct transport
*transport
)
859 struct git_transport_data
*data
= transport
->data
;
861 if (data
->got_remote_heads
)
862 packet_flush(data
->fd
[1]);
865 finish_connect(data
->conn
);
872 void transport_take_over(struct transport
*transport
,
873 struct child_process
*child
)
875 struct git_transport_data
*data
;
877 if (!transport
->smart_options
)
878 die("Bug detected: Taking over transport requires non-NULL "
879 "smart_options field.");
881 data
= xcalloc(1, sizeof(*data
));
882 data
->options
= *transport
->smart_options
;
884 data
->fd
[0] = data
->conn
->out
;
885 data
->fd
[1] = data
->conn
->in
;
886 data
->got_remote_heads
= 0;
887 transport
->data
= data
;
889 transport
->set_option
= NULL
;
890 transport
->get_refs_list
= get_refs_via_connect
;
891 transport
->fetch
= fetch_refs_via_pack
;
892 transport
->push
= NULL
;
893 transport
->push_refs
= git_transport_push
;
894 transport
->disconnect
= disconnect_git
;
895 transport
->smart_options
= &(data
->options
);
897 transport
->cannot_reuse
= 1;
900 static int is_local(const char *url
)
902 const char *colon
= strchr(url
, ':');
903 const char *slash
= strchr(url
, '/');
904 return !colon
|| (slash
&& slash
< colon
) ||
905 has_dos_drive_prefix(url
);
908 static int is_file(const char *url
)
913 return S_ISREG(buf
.st_mode
);
916 static int external_specification_len(const char *url
)
918 return strchr(url
, ':') - url
;
921 struct transport
*transport_get(struct remote
*remote
, const char *url
)
924 struct transport
*ret
= xcalloc(1, sizeof(*ret
));
926 ret
->progress
= isatty(2);
929 die("No remote provided to transport_get()");
931 ret
->got_remote_refs
= 0;
932 ret
->remote
= remote
;
933 helper
= remote
->foreign_vcs
;
935 if (!url
&& remote
->url
)
936 url
= remote
->url
[0];
939 /* maybe it is a foreign URL? */
943 while (is_urlschemechar(p
== url
, *p
))
945 if (!prefixcmp(p
, "::"))
946 helper
= xstrndup(url
, p
- url
);
950 transport_helper_init(ret
, helper
);
951 } else if (!prefixcmp(url
, "rsync:")) {
952 ret
->get_refs_list
= get_refs_via_rsync
;
953 ret
->fetch
= fetch_objs_via_rsync
;
954 ret
->push
= rsync_transport_push
;
955 ret
->smart_options
= NULL
;
956 } else if (is_local(url
) && is_file(url
) && is_bundle(url
, 1)) {
957 struct bundle_transport_data
*data
= xcalloc(1, sizeof(*data
));
959 ret
->get_refs_list
= get_refs_from_bundle
;
960 ret
->fetch
= fetch_refs_from_bundle
;
961 ret
->disconnect
= close_bundle
;
962 ret
->smart_options
= NULL
;
963 } else if (!is_url(url
)
964 || !prefixcmp(url
, "file://")
965 || !prefixcmp(url
, "git://")
966 || !prefixcmp(url
, "ssh://")
967 || !prefixcmp(url
, "git+ssh://")
968 || !prefixcmp(url
, "ssh+git://")) {
969 /* These are builtin smart transports. */
970 struct git_transport_data
*data
= xcalloc(1, sizeof(*data
));
972 ret
->set_option
= NULL
;
973 ret
->get_refs_list
= get_refs_via_connect
;
974 ret
->fetch
= fetch_refs_via_pack
;
975 ret
->push_refs
= git_transport_push
;
976 ret
->connect
= connect_git
;
977 ret
->disconnect
= disconnect_git
;
978 ret
->smart_options
= &(data
->options
);
981 data
->got_remote_heads
= 0;
983 /* Unknown protocol in URL. Pass to external handler. */
984 int len
= external_specification_len(url
);
985 char *handler
= xmalloc(len
+ 1);
987 strncpy(handler
, url
, len
);
988 transport_helper_init(ret
, handler
);
991 if (ret
->smart_options
) {
992 ret
->smart_options
->thin
= 1;
993 ret
->smart_options
->uploadpack
= "git-upload-pack";
994 if (remote
->uploadpack
)
995 ret
->smart_options
->uploadpack
= remote
->uploadpack
;
996 ret
->smart_options
->receivepack
= "git-receive-pack";
997 if (remote
->receivepack
)
998 ret
->smart_options
->receivepack
= remote
->receivepack
;
1004 int transport_set_option(struct transport
*transport
,
1005 const char *name
, const char *value
)
1007 int git_reports
= 1, protocol_reports
= 1;
1009 if (transport
->smart_options
)
1010 git_reports
= set_git_option(transport
->smart_options
,
1013 if (transport
->set_option
)
1014 protocol_reports
= transport
->set_option(transport
, name
,
1017 /* If either report is 0, report 0 (success). */
1018 if (!git_reports
|| !protocol_reports
)
1020 /* If either reports -1 (invalid value), report -1. */
1021 if ((git_reports
== -1) || (protocol_reports
== -1))
1023 /* Otherwise if both report unknown, report unknown. */
1027 void transport_set_verbosity(struct transport
*transport
, int verbosity
,
1031 transport
->verbose
= verbosity
<= 3 ? verbosity
: 3;
1033 transport
->verbose
= -1;
1036 * Rules used to determine whether to report progress (processing aborts
1037 * when a rule is satisfied):
1039 * . Report progress, if force_progress is 1 (ie. --progress).
1040 * . Don't report progress, if force_progress is 0 (ie. --no-progress).
1041 * . Don't report progress, if verbosity < 0 (ie. -q/--quiet ).
1042 * . Report progress if isatty(2) is 1.
1044 if (force_progress
>= 0)
1045 transport
->progress
= !!force_progress
;
1047 transport
->progress
= verbosity
>= 0 && isatty(2);
1050 static void die_with_unpushed_submodules(struct string_list
*needs_pushing
)
1054 fprintf(stderr
, "The following submodule paths contain changes that can\n"
1055 "not be found on any remote:\n");
1056 for (i
= 0; i
< needs_pushing
->nr
; i
++)
1057 printf(" %s\n", needs_pushing
->items
[i
].string
);
1058 fprintf(stderr
, "\nPlease try\n\n"
1059 " git push --recurse-submodules=on-demand\n\n"
1060 "or cd to the path and use\n\n"
1062 "to push them to a remote.\n\n");
1064 string_list_clear(needs_pushing
, 0);
1069 static int run_pre_push_hook(struct transport
*transport
,
1070 struct ref
*remote_refs
)
1074 struct child_process proc
;
1076 const char *argv
[4];
1078 if (!(argv
[0] = find_hook("pre-push")))
1081 argv
[1] = transport
->remote
->name
;
1082 argv
[2] = transport
->url
;
1085 memset(&proc
, 0, sizeof(proc
));
1089 if (start_command(&proc
)) {
1090 finish_command(&proc
);
1094 strbuf_init(&buf
, 256);
1096 for (r
= remote_refs
; r
; r
= r
->next
) {
1097 if (!r
->peer_ref
) continue;
1098 if (r
->status
== REF_STATUS_REJECT_NONFASTFORWARD
) continue;
1099 if (r
->status
== REF_STATUS_REJECT_STALE
) continue;
1100 if (r
->status
== REF_STATUS_UPTODATE
) continue;
1103 strbuf_addf( &buf
, "%s %s %s %s\n",
1104 r
->peer_ref
->name
, sha1_to_hex(r
->new_sha1
),
1105 r
->name
, sha1_to_hex(r
->old_sha1
));
1107 if (write_in_full(proc
.in
, buf
.buf
, buf
.len
) != buf
.len
) {
1113 strbuf_release(&buf
);
1119 x
= finish_command(&proc
);
1126 int transport_push(struct transport
*transport
,
1127 int refspec_nr
, const char **refspec
, int flags
,
1128 unsigned int *reject_reasons
)
1130 *reject_reasons
= 0;
1131 transport_verify_remote_names(refspec_nr
, refspec
);
1133 if (transport
->push
) {
1134 /* Maybe FIXME. But no important transport uses this case. */
1135 if (flags
& TRANSPORT_PUSH_SET_UPSTREAM
)
1136 die("This transport does not support using --set-upstream");
1138 return transport
->push(transport
, refspec_nr
, refspec
, flags
);
1139 } else if (transport
->push_refs
) {
1140 struct ref
*remote_refs
=
1141 transport
->get_refs_list(transport
, 1);
1142 struct ref
*local_refs
= get_local_heads();
1143 int match_flags
= MATCH_REFS_NONE
;
1144 int verbose
= (transport
->verbose
> 0);
1145 int quiet
= (transport
->verbose
< 0);
1146 int porcelain
= flags
& TRANSPORT_PUSH_PORCELAIN
;
1147 int pretend
= flags
& TRANSPORT_PUSH_DRY_RUN
;
1148 int push_ret
, ret
, err
;
1150 if (flags
& TRANSPORT_PUSH_ALL
)
1151 match_flags
|= MATCH_REFS_ALL
;
1152 if (flags
& TRANSPORT_PUSH_MIRROR
)
1153 match_flags
|= MATCH_REFS_MIRROR
;
1154 if (flags
& TRANSPORT_PUSH_PRUNE
)
1155 match_flags
|= MATCH_REFS_PRUNE
;
1156 if (flags
& TRANSPORT_PUSH_FOLLOW_TAGS
)
1157 match_flags
|= MATCH_REFS_FOLLOW_TAGS
;
1159 if (match_push_refs(local_refs
, &remote_refs
,
1160 refspec_nr
, refspec
, match_flags
)) {
1164 if (transport
->smart_options
&&
1165 transport
->smart_options
->cas
&&
1166 !is_empty_cas(transport
->smart_options
->cas
))
1167 apply_push_cas(transport
->smart_options
->cas
,
1168 transport
->remote
, remote_refs
);
1170 set_ref_status_for_push(remote_refs
,
1171 flags
& TRANSPORT_PUSH_MIRROR
,
1172 flags
& TRANSPORT_PUSH_FORCE
);
1174 if (!(flags
& TRANSPORT_PUSH_NO_HOOK
))
1175 if (run_pre_push_hook(transport
, remote_refs
))
1178 if ((flags
& TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND
) && !is_bare_repository()) {
1179 struct ref
*ref
= remote_refs
;
1180 for (; ref
; ref
= ref
->next
)
1181 if (!is_null_sha1(ref
->new_sha1
) &&
1182 !push_unpushed_submodules(ref
->new_sha1
,
1183 transport
->remote
->name
))
1184 die ("Failed to push all needed submodules!");
1187 if ((flags
& (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND
|
1188 TRANSPORT_RECURSE_SUBMODULES_CHECK
)) && !is_bare_repository()) {
1189 struct ref
*ref
= remote_refs
;
1190 struct string_list needs_pushing
;
1192 memset(&needs_pushing
, 0, sizeof(struct string_list
));
1193 needs_pushing
.strdup_strings
= 1;
1194 for (; ref
; ref
= ref
->next
)
1195 if (!is_null_sha1(ref
->new_sha1
) &&
1196 find_unpushed_submodules(ref
->new_sha1
,
1197 transport
->remote
->name
, &needs_pushing
))
1198 die_with_unpushed_submodules(&needs_pushing
);
1201 push_ret
= transport
->push_refs(transport
, remote_refs
, flags
);
1202 err
= push_had_errors(remote_refs
);
1203 ret
= push_ret
| err
;
1206 transport_print_push_status(transport
->url
, remote_refs
,
1207 verbose
| porcelain
, porcelain
,
1210 if (flags
& TRANSPORT_PUSH_SET_UPSTREAM
)
1211 set_upstreams(transport
, remote_refs
, pretend
);
1213 if (!(flags
& TRANSPORT_PUSH_DRY_RUN
)) {
1215 for (ref
= remote_refs
; ref
; ref
= ref
->next
)
1216 transport_update_tracking_ref(transport
->remote
, ref
, verbose
);
1219 if (porcelain
&& !push_ret
)
1221 else if (!quiet
&& !ret
&& !transport_refs_pushed(remote_refs
))
1222 fprintf(stderr
, "Everything up-to-date\n");
1229 const struct ref
*transport_get_remote_refs(struct transport
*transport
)
1231 if (!transport
->got_remote_refs
) {
1232 transport
->remote_refs
= transport
->get_refs_list(transport
, 0);
1233 transport
->got_remote_refs
= 1;
1236 return transport
->remote_refs
;
1239 int transport_fetch_refs(struct transport
*transport
, struct ref
*refs
)
1242 int nr_heads
= 0, nr_alloc
= 0, nr_refs
= 0;
1243 struct ref
**heads
= NULL
;
1246 for (rm
= refs
; rm
; rm
= rm
->next
) {
1249 !is_null_sha1(rm
->old_sha1
) &&
1250 !hashcmp(rm
->peer_ref
->old_sha1
, rm
->old_sha1
))
1252 ALLOC_GROW(heads
, nr_heads
+ 1, nr_alloc
);
1253 heads
[nr_heads
++] = rm
;
1258 * When deepening of a shallow repository is requested,
1259 * then local and remote refs are likely to still be equal.
1260 * Just feed them all to the fetch method in that case.
1261 * This condition shouldn't be met in a non-deepening fetch
1262 * (see builtin/fetch.c:quickfetch()).
1264 heads
= xmalloc(nr_refs
* sizeof(*heads
));
1265 for (rm
= refs
; rm
; rm
= rm
->next
)
1266 heads
[nr_heads
++] = rm
;
1269 rc
= transport
->fetch(transport
, nr_heads
, heads
);
1275 void transport_unlock_pack(struct transport
*transport
)
1277 if (transport
->pack_lockfile
) {
1278 unlink_or_warn(transport
->pack_lockfile
);
1279 free(transport
->pack_lockfile
);
1280 transport
->pack_lockfile
= NULL
;
1284 int transport_connect(struct transport
*transport
, const char *name
,
1285 const char *exec
, int fd
[2])
1287 if (transport
->connect
)
1288 return transport
->connect(transport
, name
, exec
, fd
);
1290 die("Operation not supported by protocol");
1293 int transport_disconnect(struct transport
*transport
)
1296 if (transport
->disconnect
)
1297 ret
= transport
->disconnect(transport
);
1303 * Strip username (and password) from a URL and return
1304 * it in a newly allocated string.
1306 char *transport_anonymize_url(const char *url
)
1308 char *anon_url
, *scheme_prefix
, *anon_part
;
1309 size_t anon_len
, prefix_len
= 0;
1311 anon_part
= strchr(url
, '@');
1312 if (is_local(url
) || !anon_part
)
1315 anon_len
= strlen(++anon_part
);
1316 scheme_prefix
= strstr(url
, "://");
1317 if (!scheme_prefix
) {
1318 if (!strchr(anon_part
, ':'))
1319 /* cannot be "me@there:/path/name" */
1323 /* make sure scheme is reasonable */
1324 for (cp
= url
; cp
< scheme_prefix
; cp
++) {
1327 case '+': case '.': case '-':
1336 /* @ past the first slash does not count */
1337 cp
= strchr(scheme_prefix
+ 3, '/');
1338 if (cp
&& cp
< anon_part
)
1340 prefix_len
= scheme_prefix
- url
+ 3;
1342 anon_url
= xcalloc(1, 1 + prefix_len
+ anon_len
);
1343 memcpy(anon_url
, url
, prefix_len
);
1344 memcpy(anon_url
+ prefix_len
, anon_part
, anon_len
);
1347 return xstrdup(url
);
1350 struct alternate_refs_data
{
1351 alternate_ref_fn
*fn
;
1355 static int refs_from_alternate_cb(struct alternate_object_database
*e
,
1360 struct remote
*remote
;
1361 struct transport
*transport
;
1362 const struct ref
*extra
;
1363 struct alternate_refs_data
*cb
= data
;
1366 other
= xstrdup(real_path(e
->base
));
1368 len
= strlen(other
);
1370 while (other
[len
-1] == '/')
1371 other
[--len
] = '\0';
1372 if (len
< 8 || memcmp(other
+ len
- 8, "/objects", 8))
1374 /* Is this a git repository with refs? */
1375 memcpy(other
+ len
- 8, "/refs", 6);
1376 if (!is_directory(other
))
1378 other
[len
- 8] = '\0';
1379 remote
= remote_get(other
);
1380 transport
= transport_get(remote
, other
);
1381 for (extra
= transport_get_remote_refs(transport
);
1383 extra
= extra
->next
)
1384 cb
->fn(extra
, cb
->data
);
1385 transport_disconnect(transport
);
1390 void for_each_alternate_ref(alternate_ref_fn fn
, void *data
)
1392 struct alternate_refs_data cb
;
1395 foreach_alt_odb(refs_from_alternate_cb
, &cb
);