12 #include "list-objects.h"
16 static const char http_push_usage
[] =
17 "git http-push [--all] [--dry-run] [--force] [--verbose] <remote> [<head>...]\n";
24 #define XML_STATUS_OK 1
25 #define XML_STATUS_ERROR 0
28 #define PREV_BUF_SIZE 4096
29 #define RANGE_HEADER_SIZE 30
32 #define DAV_LOCK "LOCK"
33 #define DAV_MKCOL "MKCOL"
34 #define DAV_MOVE "MOVE"
35 #define DAV_PROPFIND "PROPFIND"
37 #define DAV_UNLOCK "UNLOCK"
38 #define DAV_DELETE "DELETE"
41 #define DAV_PROP_LOCKWR (1u << 0)
42 #define DAV_PROP_LOCKEX (1u << 1)
43 #define DAV_LOCK_OK (1u << 2)
45 /* DAV XML properties */
46 #define DAV_CTX_LOCKENTRY ".multistatus.response.propstat.prop.supportedlock.lockentry"
47 #define DAV_CTX_LOCKTYPE_WRITE ".multistatus.response.propstat.prop.supportedlock.lockentry.locktype.write"
48 #define DAV_CTX_LOCKTYPE_EXCLUSIVE ".multistatus.response.propstat.prop.supportedlock.lockentry.lockscope.exclusive"
49 #define DAV_ACTIVELOCK_OWNER ".prop.lockdiscovery.activelock.owner.href"
50 #define DAV_ACTIVELOCK_TIMEOUT ".prop.lockdiscovery.activelock.timeout"
51 #define DAV_ACTIVELOCK_TOKEN ".prop.lockdiscovery.activelock.locktoken.href"
52 #define DAV_PROPFIND_RESP ".multistatus.response"
53 #define DAV_PROPFIND_NAME ".multistatus.response.href"
54 #define DAV_PROPFIND_COLLECTION ".multistatus.response.propstat.prop.resourcetype.collection"
56 /* DAV request body templates */
57 #define PROPFIND_SUPPORTEDLOCK_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:propfind xmlns:D=\"DAV:\">\n<D:prop xmlns:R=\"%s\">\n<D:supportedlock/>\n</D:prop>\n</D:propfind>"
58 #define PROPFIND_ALL_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:propfind xmlns:D=\"DAV:\">\n<D:allprop/>\n</D:propfind>"
59 #define LOCK_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:lockinfo xmlns:D=\"DAV:\">\n<D:lockscope><D:exclusive/></D:lockscope>\n<D:locktype><D:write/></D:locktype>\n<D:owner>\n<D:href>mailto:%s</D:href>\n</D:owner>\n</D:lockinfo>"
62 #define LOCK_REFRESH 30
64 /* bits #0-15 in revision.h */
66 #define LOCAL (1u<<16)
67 #define REMOTE (1u<<17)
68 #define FETCHING (1u<<18)
69 #define PUSHING (1u<<19)
71 /* We allow "recursive" symbolic refs. Only within reason, though */
76 static signed char remote_dir_exists
[256];
78 static struct curl_slist
*no_pragma_header
;
80 static int push_verbosely
;
81 static int push_all
= MATCH_REFS_NONE
;
85 static struct object_list
*objects
;
93 int can_update_info_refs
;
95 struct packed_git
*packs
;
96 struct remote_lock
*locks
;
99 static struct repo
*remote
;
101 enum transfer_state
{
113 struct transfer_request
118 struct remote_lock
*lock
;
119 struct curl_slist
*headers
;
120 struct buffer buffer
;
121 char filename
[PATH_MAX
];
122 char tmpfile
[PATH_MAX
];
125 enum transfer_state state
;
126 CURLcode curl_result
;
127 char errorstr
[CURL_ERROR_SIZE
];
129 unsigned char real_sha1
[20];
135 struct active_request_slot
*slot
;
136 struct transfer_request
*next
;
139 static struct transfer_request
*request_queue_head
;
146 void (*userFunc
)(struct xml_ctx
*ctx
, int tag_closed
);
158 struct remote_lock
*next
;
161 /* Flags that control remote_ls processing */
162 #define PROCESS_FILES (1u << 0)
163 #define PROCESS_DIRS (1u << 1)
164 #define RECURSIVE (1u << 2)
166 /* Flags that remote_ls passes to callback functions */
167 #define IS_DIR (1u << 0)
172 void (*userFunc
)(struct remote_ls_ctx
*ls
);
177 struct remote_ls_ctx
*parent
;
180 /* get_dav_token_headers options */
181 enum dav_header_flag
{
182 DAV_HEADER_IF
= (1u << 0),
183 DAV_HEADER_LOCK
= (1u << 1),
184 DAV_HEADER_TIMEOUT
= (1u << 2)
187 static struct curl_slist
*get_dav_token_headers(struct remote_lock
*lock
, enum dav_header_flag options
)
189 struct strbuf buf
= STRBUF_INIT
;
190 struct curl_slist
*dav_headers
= NULL
;
192 if (options
& DAV_HEADER_IF
) {
193 strbuf_addf(&buf
, "If: (<%s>)", lock
->token
);
194 dav_headers
= curl_slist_append(dav_headers
, buf
.buf
);
197 if (options
& DAV_HEADER_LOCK
) {
198 strbuf_addf(&buf
, "Lock-Token: <%s>", lock
->token
);
199 dav_headers
= curl_slist_append(dav_headers
, buf
.buf
);
202 if (options
& DAV_HEADER_TIMEOUT
) {
203 strbuf_addf(&buf
, "Timeout: Second-%ld", lock
->timeout
);
204 dav_headers
= curl_slist_append(dav_headers
, buf
.buf
);
207 strbuf_release(&buf
);
212 static void append_remote_object_url(struct strbuf
*buf
, const char *url
,
214 int only_two_digit_prefix
)
216 strbuf_addf(buf
, "%sobjects/%.*s/", url
, 2, hex
);
217 if (!only_two_digit_prefix
)
218 strbuf_addf(buf
, "%s", hex
+2);
221 static void finish_request(struct transfer_request
*request
);
222 static void release_request(struct transfer_request
*request
);
224 static void process_response(void *callback_data
)
226 struct transfer_request
*request
=
227 (struct transfer_request
*)callback_data
;
229 finish_request(request
);
232 #ifdef USE_CURL_MULTI
234 static char *get_remote_object_url(const char *url
, const char *hex
,
235 int only_two_digit_prefix
)
237 struct strbuf buf
= STRBUF_INIT
;
238 append_remote_object_url(&buf
, url
, hex
, only_two_digit_prefix
);
239 return strbuf_detach(&buf
, NULL
);
242 static size_t fwrite_sha1_file(void *ptr
, size_t eltsize
, size_t nmemb
,
245 unsigned char expn
[4096];
246 size_t size
= eltsize
* nmemb
;
248 struct transfer_request
*request
= (struct transfer_request
*)data
;
250 ssize_t retval
= xwrite(request
->local_fileno
,
251 (char *) ptr
+ posn
, size
- posn
);
255 } while (posn
< size
);
257 request
->stream
.avail_in
= size
;
258 request
->stream
.next_in
= ptr
;
260 request
->stream
.next_out
= expn
;
261 request
->stream
.avail_out
= sizeof(expn
);
262 request
->zret
= git_inflate(&request
->stream
, Z_SYNC_FLUSH
);
263 git_SHA1_Update(&request
->c
, expn
,
264 sizeof(expn
) - request
->stream
.avail_out
);
265 } while (request
->stream
.avail_in
&& request
->zret
== Z_OK
);
270 static void start_fetch_loose(struct transfer_request
*request
)
272 char *hex
= sha1_to_hex(request
->obj
->sha1
);
274 char prevfile
[PATH_MAX
];
277 unsigned char prev_buf
[PREV_BUF_SIZE
];
278 ssize_t prev_read
= 0;
280 char range
[RANGE_HEADER_SIZE
];
281 struct curl_slist
*range_header
= NULL
;
282 struct active_request_slot
*slot
;
284 filename
= sha1_file_name(request
->obj
->sha1
);
285 snprintf(request
->filename
, sizeof(request
->filename
), "%s", filename
);
286 snprintf(request
->tmpfile
, sizeof(request
->tmpfile
),
287 "%s.temp", filename
);
289 snprintf(prevfile
, sizeof(prevfile
), "%s.prev", request
->filename
);
291 rename(request
->tmpfile
, prevfile
);
292 unlink(request
->tmpfile
);
294 if (request
->local_fileno
!= -1)
295 error("fd leakage in start: %d", request
->local_fileno
);
296 request
->local_fileno
= open(request
->tmpfile
,
297 O_WRONLY
| O_CREAT
| O_EXCL
, 0666);
298 /* This could have failed due to the "lazy directory creation";
299 * try to mkdir the last path component.
301 if (request
->local_fileno
< 0 && errno
== ENOENT
) {
302 char *dir
= strrchr(request
->tmpfile
, '/');
305 mkdir(request
->tmpfile
, 0777);
308 request
->local_fileno
= open(request
->tmpfile
,
309 O_WRONLY
| O_CREAT
| O_EXCL
, 0666);
312 if (request
->local_fileno
< 0) {
313 request
->state
= ABORTED
;
314 error("Couldn't create temporary file %s for %s: %s",
315 request
->tmpfile
, request
->filename
, strerror(errno
));
319 memset(&request
->stream
, 0, sizeof(request
->stream
));
321 git_inflate_init(&request
->stream
);
323 git_SHA1_Init(&request
->c
);
325 url
= get_remote_object_url(remote
->url
, hex
, 0);
326 request
->url
= xstrdup(url
);
328 /* If a previous temp file is present, process what was already
330 prevlocal
= open(prevfile
, O_RDONLY
);
331 if (prevlocal
!= -1) {
333 prev_read
= xread(prevlocal
, prev_buf
, PREV_BUF_SIZE
);
335 if (fwrite_sha1_file(prev_buf
,
338 request
) == prev_read
) {
339 prev_posn
+= prev_read
;
344 } while (prev_read
> 0);
349 /* Reset inflate/SHA1 if there was an error reading the previous temp
350 file; also rewind to the beginning of the local file. */
351 if (prev_read
== -1) {
352 memset(&request
->stream
, 0, sizeof(request
->stream
));
353 git_inflate_init(&request
->stream
);
354 git_SHA1_Init(&request
->c
);
357 lseek(request
->local_fileno
, 0, SEEK_SET
);
358 ftruncate(request
->local_fileno
, 0);
362 slot
= get_active_slot();
363 slot
->callback_func
= process_response
;
364 slot
->callback_data
= request
;
365 request
->slot
= slot
;
367 curl_easy_setopt(slot
->curl
, CURLOPT_FILE
, request
);
368 curl_easy_setopt(slot
->curl
, CURLOPT_WRITEFUNCTION
, fwrite_sha1_file
);
369 curl_easy_setopt(slot
->curl
, CURLOPT_ERRORBUFFER
, request
->errorstr
);
370 curl_easy_setopt(slot
->curl
, CURLOPT_URL
, url
);
371 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPHEADER
, no_pragma_header
);
373 /* If we have successfully processed data from a previous fetch
374 attempt, only fetch the data we don't already have. */
378 "Resuming fetch of object %s at byte %ld\n",
380 sprintf(range
, "Range: bytes=%ld-", prev_posn
);
381 range_header
= curl_slist_append(range_header
, range
);
382 curl_easy_setopt(slot
->curl
,
383 CURLOPT_HTTPHEADER
, range_header
);
386 /* Try to get the request started, abort the request on error */
387 request
->state
= RUN_FETCH_LOOSE
;
388 if (!start_active_slot(slot
)) {
389 fprintf(stderr
, "Unable to start GET request\n");
390 remote
->can_update_info_refs
= 0;
391 release_request(request
);
395 static void start_mkcol(struct transfer_request
*request
)
397 char *hex
= sha1_to_hex(request
->obj
->sha1
);
398 struct active_request_slot
*slot
;
400 request
->url
= get_remote_object_url(remote
->url
, hex
, 1);
402 slot
= get_active_slot();
403 slot
->callback_func
= process_response
;
404 slot
->callback_data
= request
;
405 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPGET
, 1); /* undo PUT setup */
406 curl_easy_setopt(slot
->curl
, CURLOPT_URL
, request
->url
);
407 curl_easy_setopt(slot
->curl
, CURLOPT_ERRORBUFFER
, request
->errorstr
);
408 curl_easy_setopt(slot
->curl
, CURLOPT_CUSTOMREQUEST
, DAV_MKCOL
);
409 curl_easy_setopt(slot
->curl
, CURLOPT_WRITEFUNCTION
, fwrite_null
);
411 if (start_active_slot(slot
)) {
412 request
->slot
= slot
;
413 request
->state
= RUN_MKCOL
;
415 request
->state
= ABORTED
;
422 static void start_fetch_packed(struct transfer_request
*request
)
425 struct packed_git
*target
;
429 char range
[RANGE_HEADER_SIZE
];
430 struct curl_slist
*range_header
= NULL
;
432 struct transfer_request
*check_request
= request_queue_head
;
433 struct active_request_slot
*slot
;
435 target
= find_sha1_pack(request
->obj
->sha1
, remote
->packs
);
437 fprintf(stderr
, "Unable to fetch %s, will not be able to update server info refs\n", sha1_to_hex(request
->obj
->sha1
));
438 remote
->can_update_info_refs
= 0;
439 release_request(request
);
443 fprintf(stderr
, "Fetching pack %s\n", sha1_to_hex(target
->sha1
));
444 fprintf(stderr
, " which contains %s\n", sha1_to_hex(request
->obj
->sha1
));
446 filename
= sha1_pack_name(target
->sha1
);
447 snprintf(request
->filename
, sizeof(request
->filename
), "%s", filename
);
448 snprintf(request
->tmpfile
, sizeof(request
->tmpfile
),
449 "%s.temp", filename
);
451 url
= xmalloc(strlen(remote
->url
) + 64);
452 sprintf(url
, "%sobjects/pack/pack-%s.pack",
453 remote
->url
, sha1_to_hex(target
->sha1
));
455 /* Make sure there isn't another open request for this pack */
456 while (check_request
) {
457 if (check_request
->state
== RUN_FETCH_PACKED
&&
458 !strcmp(check_request
->url
, url
)) {
460 release_request(request
);
463 check_request
= check_request
->next
;
466 packfile
= fopen(request
->tmpfile
, "a");
468 fprintf(stderr
, "Unable to open local file %s for pack",
470 remote
->can_update_info_refs
= 0;
475 slot
= get_active_slot();
476 slot
->callback_func
= process_response
;
477 slot
->callback_data
= request
;
478 request
->slot
= slot
;
479 request
->local_stream
= packfile
;
480 request
->userData
= target
;
483 curl_easy_setopt(slot
->curl
, CURLOPT_FILE
, packfile
);
484 curl_easy_setopt(slot
->curl
, CURLOPT_WRITEFUNCTION
, fwrite
);
485 curl_easy_setopt(slot
->curl
, CURLOPT_URL
, url
);
486 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPHEADER
, no_pragma_header
);
487 slot
->local
= packfile
;
489 /* If there is data present from a previous transfer attempt,
490 resume where it left off */
491 prev_posn
= ftell(packfile
);
495 "Resuming fetch of pack %s at byte %ld\n",
496 sha1_to_hex(target
->sha1
), prev_posn
);
497 sprintf(range
, "Range: bytes=%ld-", prev_posn
);
498 range_header
= curl_slist_append(range_header
, range
);
499 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPHEADER
, range_header
);
502 /* Try to get the request started, abort the request on error */
503 request
->state
= RUN_FETCH_PACKED
;
504 if (!start_active_slot(slot
)) {
505 fprintf(stderr
, "Unable to start GET request\n");
506 remote
->can_update_info_refs
= 0;
507 release_request(request
);
511 static void start_put(struct transfer_request
*request
)
513 char *hex
= sha1_to_hex(request
->obj
->sha1
);
514 struct active_request_slot
*slot
;
515 struct strbuf buf
= STRBUF_INIT
;
516 enum object_type type
;
524 unpacked
= read_sha1_file(request
->obj
->sha1
, &type
, &len
);
525 hdrlen
= sprintf(hdr
, "%s %lu", typename(type
), len
) + 1;
528 memset(&stream
, 0, sizeof(stream
));
529 deflateInit(&stream
, zlib_compression_level
);
530 size
= deflateBound(&stream
, len
+ hdrlen
);
531 strbuf_init(&request
->buffer
.buf
, size
);
532 request
->buffer
.posn
= 0;
535 stream
.next_out
= (unsigned char *)request
->buffer
.buf
.buf
;
536 stream
.avail_out
= size
;
539 stream
.next_in
= (void *)hdr
;
540 stream
.avail_in
= hdrlen
;
541 while (deflate(&stream
, 0) == Z_OK
)
544 /* Then the data itself.. */
545 stream
.next_in
= unpacked
;
546 stream
.avail_in
= len
;
547 while (deflate(&stream
, Z_FINISH
) == Z_OK
)
552 request
->buffer
.buf
.len
= stream
.total_out
;
554 strbuf_addstr(&buf
, "Destination: ");
555 append_remote_object_url(&buf
, remote
->url
, hex
, 0);
556 request
->dest
= strbuf_detach(&buf
, NULL
);
558 append_remote_object_url(&buf
, remote
->url
, hex
, 0);
559 strbuf_addstr(&buf
, "_");
560 strbuf_addstr(&buf
, request
->lock
->token
);
561 request
->url
= strbuf_detach(&buf
, NULL
);
563 slot
= get_active_slot();
564 slot
->callback_func
= process_response
;
565 slot
->callback_data
= request
;
566 curl_easy_setopt(slot
->curl
, CURLOPT_INFILE
, &request
->buffer
);
567 curl_easy_setopt(slot
->curl
, CURLOPT_INFILESIZE
, request
->buffer
.buf
.len
);
568 curl_easy_setopt(slot
->curl
, CURLOPT_READFUNCTION
, fread_buffer
);
569 curl_easy_setopt(slot
->curl
, CURLOPT_WRITEFUNCTION
, fwrite_null
);
570 curl_easy_setopt(slot
->curl
, CURLOPT_CUSTOMREQUEST
, DAV_PUT
);
571 curl_easy_setopt(slot
->curl
, CURLOPT_UPLOAD
, 1);
572 curl_easy_setopt(slot
->curl
, CURLOPT_PUT
, 1);
573 curl_easy_setopt(slot
->curl
, CURLOPT_NOBODY
, 0);
574 curl_easy_setopt(slot
->curl
, CURLOPT_URL
, request
->url
);
576 if (start_active_slot(slot
)) {
577 request
->slot
= slot
;
578 request
->state
= RUN_PUT
;
580 request
->state
= ABORTED
;
586 static void start_move(struct transfer_request
*request
)
588 struct active_request_slot
*slot
;
589 struct curl_slist
*dav_headers
= NULL
;
591 slot
= get_active_slot();
592 slot
->callback_func
= process_response
;
593 slot
->callback_data
= request
;
594 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPGET
, 1); /* undo PUT setup */
595 curl_easy_setopt(slot
->curl
, CURLOPT_CUSTOMREQUEST
, DAV_MOVE
);
596 dav_headers
= curl_slist_append(dav_headers
, request
->dest
);
597 dav_headers
= curl_slist_append(dav_headers
, "Overwrite: T");
598 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPHEADER
, dav_headers
);
599 curl_easy_setopt(slot
->curl
, CURLOPT_WRITEFUNCTION
, fwrite_null
);
600 curl_easy_setopt(slot
->curl
, CURLOPT_URL
, request
->url
);
602 if (start_active_slot(slot
)) {
603 request
->slot
= slot
;
604 request
->state
= RUN_MOVE
;
606 request
->state
= ABORTED
;
612 static int refresh_lock(struct remote_lock
*lock
)
614 struct active_request_slot
*slot
;
615 struct slot_results results
;
616 struct curl_slist
*dav_headers
;
619 lock
->refreshing
= 1;
621 dav_headers
= get_dav_token_headers(lock
, DAV_HEADER_IF
| DAV_HEADER_TIMEOUT
);
623 slot
= get_active_slot();
624 slot
->results
= &results
;
625 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPGET
, 1);
626 curl_easy_setopt(slot
->curl
, CURLOPT_WRITEFUNCTION
, fwrite_null
);
627 curl_easy_setopt(slot
->curl
, CURLOPT_URL
, lock
->url
);
628 curl_easy_setopt(slot
->curl
, CURLOPT_CUSTOMREQUEST
, DAV_LOCK
);
629 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPHEADER
, dav_headers
);
631 if (start_active_slot(slot
)) {
632 run_active_slot(slot
);
633 if (results
.curl_result
!= CURLE_OK
) {
634 fprintf(stderr
, "LOCK HTTP error %ld\n",
637 lock
->start_time
= time(NULL
);
642 lock
->refreshing
= 0;
643 curl_slist_free_all(dav_headers
);
648 static void check_locks(void)
650 struct remote_lock
*lock
= remote
->locks
;
651 time_t current_time
= time(NULL
);
655 time_remaining
= lock
->start_time
+ lock
->timeout
-
657 if (!lock
->refreshing
&& time_remaining
< LOCK_REFRESH
) {
658 if (!refresh_lock(lock
)) {
660 "Unable to refresh lock for %s\n",
670 static void release_request(struct transfer_request
*request
)
672 struct transfer_request
*entry
= request_queue_head
;
674 if (request
== request_queue_head
) {
675 request_queue_head
= request
->next
;
677 while (entry
->next
!= NULL
&& entry
->next
!= request
)
679 if (entry
->next
== request
)
680 entry
->next
= entry
->next
->next
;
683 if (request
->local_fileno
!= -1)
684 close(request
->local_fileno
);
685 if (request
->local_stream
)
686 fclose(request
->local_stream
);
691 static void finish_request(struct transfer_request
*request
)
694 struct packed_git
*target
;
695 struct packed_git
**lst
;
697 request
->curl_result
= request
->slot
->curl_result
;
698 request
->http_code
= request
->slot
->http_code
;
699 request
->slot
= NULL
;
701 /* Keep locks active */
704 if (request
->headers
!= NULL
)
705 curl_slist_free_all(request
->headers
);
707 /* URL is reused for MOVE after PUT */
708 if (request
->state
!= RUN_PUT
) {
713 if (request
->state
== RUN_MKCOL
) {
714 if (request
->curl_result
== CURLE_OK
||
715 request
->http_code
== 405) {
716 remote_dir_exists
[request
->obj
->sha1
[0]] = 1;
719 fprintf(stderr
, "MKCOL %s failed, aborting (%d/%ld)\n",
720 sha1_to_hex(request
->obj
->sha1
),
721 request
->curl_result
, request
->http_code
);
722 request
->state
= ABORTED
;
725 } else if (request
->state
== RUN_PUT
) {
726 if (request
->curl_result
== CURLE_OK
) {
729 fprintf(stderr
, "PUT %s failed, aborting (%d/%ld)\n",
730 sha1_to_hex(request
->obj
->sha1
),
731 request
->curl_result
, request
->http_code
);
732 request
->state
= ABORTED
;
735 } else if (request
->state
== RUN_MOVE
) {
736 if (request
->curl_result
== CURLE_OK
) {
738 fprintf(stderr
, " sent %s\n",
739 sha1_to_hex(request
->obj
->sha1
));
740 request
->obj
->flags
|= REMOTE
;
741 release_request(request
);
743 fprintf(stderr
, "MOVE %s failed, aborting (%d/%ld)\n",
744 sha1_to_hex(request
->obj
->sha1
),
745 request
->curl_result
, request
->http_code
);
746 request
->state
= ABORTED
;
749 } else if (request
->state
== RUN_FETCH_LOOSE
) {
750 fchmod(request
->local_fileno
, 0444);
751 close(request
->local_fileno
); request
->local_fileno
= -1;
753 if (request
->curl_result
!= CURLE_OK
&&
754 request
->http_code
!= 416) {
755 if (stat(request
->tmpfile
, &st
) == 0) {
757 unlink(request
->tmpfile
);
760 if (request
->http_code
== 416)
761 fprintf(stderr
, "Warning: requested range invalid; we may already have all the data.\n");
763 git_inflate_end(&request
->stream
);
764 git_SHA1_Final(request
->real_sha1
, &request
->c
);
765 if (request
->zret
!= Z_STREAM_END
) {
766 unlink(request
->tmpfile
);
767 } else if (hashcmp(request
->obj
->sha1
, request
->real_sha1
)) {
768 unlink(request
->tmpfile
);
774 if (request
->rename
== 0) {
775 request
->obj
->flags
|= (LOCAL
| REMOTE
);
780 /* Try fetching packed if necessary */
781 if (request
->obj
->flags
& LOCAL
)
782 release_request(request
);
784 start_fetch_packed(request
);
786 } else if (request
->state
== RUN_FETCH_PACKED
) {
787 if (request
->curl_result
!= CURLE_OK
) {
788 fprintf(stderr
, "Unable to get pack file %s\n%s",
789 request
->url
, curl_errorstr
);
790 remote
->can_update_info_refs
= 0;
792 off_t pack_size
= ftell(request
->local_stream
);
794 fclose(request
->local_stream
);
795 request
->local_stream
= NULL
;
796 if (!move_temp_to_file(request
->tmpfile
,
797 request
->filename
)) {
798 target
= (struct packed_git
*)request
->userData
;
799 target
->pack_size
= pack_size
;
800 lst
= &remote
->packs
;
801 while (*lst
!= target
)
802 lst
= &((*lst
)->next
);
805 if (!verify_pack(target
))
806 install_packed_git(target
);
808 remote
->can_update_info_refs
= 0;
811 release_request(request
);
815 #ifdef USE_CURL_MULTI
816 static int fill_active_slot(void *unused
)
818 struct transfer_request
*request
= request_queue_head
;
823 for (request
= request_queue_head
; request
; request
= request
->next
) {
824 if (request
->state
== NEED_FETCH
) {
825 start_fetch_loose(request
);
827 } else if (pushing
&& request
->state
== NEED_PUSH
) {
828 if (remote_dir_exists
[request
->obj
->sha1
[0]] == 1) {
831 start_mkcol(request
);
840 static void get_remote_object_list(unsigned char parent
);
842 static void add_fetch_request(struct object
*obj
)
844 struct transfer_request
*request
;
849 * Don't fetch the object if it's known to exist locally
850 * or is already in the request queue
852 if (remote_dir_exists
[obj
->sha1
[0]] == -1)
853 get_remote_object_list(obj
->sha1
[0]);
854 if (obj
->flags
& (LOCAL
| FETCHING
))
857 obj
->flags
|= FETCHING
;
858 request
= xmalloc(sizeof(*request
));
861 request
->lock
= NULL
;
862 request
->headers
= NULL
;
863 request
->local_fileno
= -1;
864 request
->local_stream
= NULL
;
865 request
->state
= NEED_FETCH
;
866 request
->next
= request_queue_head
;
867 request_queue_head
= request
;
869 #ifdef USE_CURL_MULTI
875 static int add_send_request(struct object
*obj
, struct remote_lock
*lock
)
877 struct transfer_request
*request
= request_queue_head
;
878 struct packed_git
*target
;
880 /* Keep locks active */
884 * Don't push the object if it's known to exist on the remote
885 * or is already in the request queue
887 if (remote_dir_exists
[obj
->sha1
[0]] == -1)
888 get_remote_object_list(obj
->sha1
[0]);
889 if (obj
->flags
& (REMOTE
| PUSHING
))
891 target
= find_sha1_pack(obj
->sha1
, remote
->packs
);
893 obj
->flags
|= REMOTE
;
897 obj
->flags
|= PUSHING
;
898 request
= xmalloc(sizeof(*request
));
901 request
->lock
= lock
;
902 request
->headers
= NULL
;
903 request
->local_fileno
= -1;
904 request
->local_stream
= NULL
;
905 request
->state
= NEED_PUSH
;
906 request
->next
= request_queue_head
;
907 request_queue_head
= request
;
909 #ifdef USE_CURL_MULTI
917 static int fetch_index(unsigned char *sha1
)
919 char *hex
= sha1_to_hex(sha1
);
922 char tmpfile
[PATH_MAX
];
924 char range
[RANGE_HEADER_SIZE
];
925 struct curl_slist
*range_header
= NULL
;
928 struct active_request_slot
*slot
;
929 struct slot_results results
;
931 /* Don't use the index if the pack isn't there */
932 url
= xmalloc(strlen(remote
->url
) + 64);
933 sprintf(url
, "%sobjects/pack/pack-%s.pack", remote
->url
, hex
);
934 slot
= get_active_slot();
935 slot
->results
= &results
;
936 curl_easy_setopt(slot
->curl
, CURLOPT_URL
, url
);
937 curl_easy_setopt(slot
->curl
, CURLOPT_NOBODY
, 1);
938 if (start_active_slot(slot
)) {
939 run_active_slot(slot
);
940 if (results
.curl_result
!= CURLE_OK
) {
942 return error("Unable to verify pack %s is available",
947 return error("Unable to start request");
950 if (has_pack_index(sha1
)) {
956 fprintf(stderr
, "Getting index for pack %s\n", hex
);
958 sprintf(url
, "%sobjects/pack/pack-%s.idx", remote
->url
, hex
);
960 filename
= sha1_pack_index_name(sha1
);
961 snprintf(tmpfile
, sizeof(tmpfile
), "%s.temp", filename
);
962 indexfile
= fopen(tmpfile
, "a");
965 return error("Unable to open local file %s for pack index",
969 slot
= get_active_slot();
970 slot
->results
= &results
;
971 curl_easy_setopt(slot
->curl
, CURLOPT_NOBODY
, 0);
972 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPGET
, 1);
973 curl_easy_setopt(slot
->curl
, CURLOPT_FILE
, indexfile
);
974 curl_easy_setopt(slot
->curl
, CURLOPT_WRITEFUNCTION
, fwrite
);
975 curl_easy_setopt(slot
->curl
, CURLOPT_URL
, url
);
976 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPHEADER
, no_pragma_header
);
977 slot
->local
= indexfile
;
979 /* If there is data present from a previous transfer attempt,
980 resume where it left off */
981 prev_posn
= ftell(indexfile
);
985 "Resuming fetch of index for pack %s at byte %ld\n",
987 sprintf(range
, "Range: bytes=%ld-", prev_posn
);
988 range_header
= curl_slist_append(range_header
, range
);
989 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPHEADER
, range_header
);
992 if (start_active_slot(slot
)) {
993 run_active_slot(slot
);
994 if (results
.curl_result
!= CURLE_OK
) {
997 return error("Unable to get pack index %s\n%s", url
,
1003 return error("Unable to start request");
1009 return move_temp_to_file(tmpfile
, filename
);
1012 static int setup_index(unsigned char *sha1
)
1014 struct packed_git
*new_pack
;
1016 if (fetch_index(sha1
))
1019 new_pack
= parse_pack_index(sha1
);
1020 new_pack
->next
= remote
->packs
;
1021 remote
->packs
= new_pack
;
1025 static int fetch_indices(void)
1027 unsigned char sha1
[20];
1029 struct strbuf buffer
= STRBUF_INIT
;
1033 struct active_request_slot
*slot
;
1034 struct slot_results results
;
1037 fprintf(stderr
, "Getting pack list\n");
1039 url
= xmalloc(strlen(remote
->url
) + 20);
1040 sprintf(url
, "%sobjects/info/packs", remote
->url
);
1042 slot
= get_active_slot();
1043 slot
->results
= &results
;
1044 curl_easy_setopt(slot
->curl
, CURLOPT_FILE
, &buffer
);
1045 curl_easy_setopt(slot
->curl
, CURLOPT_WRITEFUNCTION
, fwrite_buffer
);
1046 curl_easy_setopt(slot
->curl
, CURLOPT_URL
, url
);
1047 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPHEADER
, NULL
);
1048 if (start_active_slot(slot
)) {
1049 run_active_slot(slot
);
1050 if (results
.curl_result
!= CURLE_OK
) {
1051 strbuf_release(&buffer
);
1053 if (results
.http_code
== 404)
1056 return error("%s", curl_errorstr
);
1059 strbuf_release(&buffer
);
1061 return error("Unable to start request");
1066 while (i
< buffer
.len
) {
1070 if (i
+ 52 < buffer
.len
&&
1071 !prefixcmp(data
+ i
, " pack-") &&
1072 !prefixcmp(data
+ i
+ 46, ".pack\n")) {
1073 get_sha1_hex(data
+ i
+ 6, sha1
);
1079 while (data
[i
] != '\n')
1085 strbuf_release(&buffer
);
1089 static void one_remote_object(const char *hex
)
1091 unsigned char sha1
[20];
1094 if (get_sha1_hex(hex
, sha1
) != 0)
1097 obj
= lookup_object(sha1
);
1099 obj
= parse_object(sha1
);
1101 /* Ignore remote objects that don't exist locally */
1105 obj
->flags
|= REMOTE
;
1106 if (!object_list_contains(objects
, obj
))
1107 object_list_insert(obj
, &objects
);
1110 static void handle_lockprop_ctx(struct xml_ctx
*ctx
, int tag_closed
)
1112 int *lock_flags
= (int *)ctx
->userData
;
1115 if (!strcmp(ctx
->name
, DAV_CTX_LOCKENTRY
)) {
1116 if ((*lock_flags
& DAV_PROP_LOCKEX
) &&
1117 (*lock_flags
& DAV_PROP_LOCKWR
)) {
1118 *lock_flags
|= DAV_LOCK_OK
;
1120 *lock_flags
&= DAV_LOCK_OK
;
1121 } else if (!strcmp(ctx
->name
, DAV_CTX_LOCKTYPE_WRITE
)) {
1122 *lock_flags
|= DAV_PROP_LOCKWR
;
1123 } else if (!strcmp(ctx
->name
, DAV_CTX_LOCKTYPE_EXCLUSIVE
)) {
1124 *lock_flags
|= DAV_PROP_LOCKEX
;
1129 static void handle_new_lock_ctx(struct xml_ctx
*ctx
, int tag_closed
)
1131 struct remote_lock
*lock
= (struct remote_lock
*)ctx
->userData
;
1133 if (tag_closed
&& ctx
->cdata
) {
1134 if (!strcmp(ctx
->name
, DAV_ACTIVELOCK_OWNER
)) {
1135 lock
->owner
= xmalloc(strlen(ctx
->cdata
) + 1);
1136 strcpy(lock
->owner
, ctx
->cdata
);
1137 } else if (!strcmp(ctx
->name
, DAV_ACTIVELOCK_TIMEOUT
)) {
1138 if (!prefixcmp(ctx
->cdata
, "Second-"))
1140 strtol(ctx
->cdata
+ 7, NULL
, 10);
1141 } else if (!strcmp(ctx
->name
, DAV_ACTIVELOCK_TOKEN
)) {
1142 lock
->token
= xmalloc(strlen(ctx
->cdata
) + 1);
1143 strcpy(lock
->token
, ctx
->cdata
);
1148 static void one_remote_ref(char *refname
);
1151 xml_start_tag(void *userData
, const char *name
, const char **atts
)
1153 struct xml_ctx
*ctx
= (struct xml_ctx
*)userData
;
1154 const char *c
= strchr(name
, ':');
1162 new_len
= strlen(ctx
->name
) + strlen(c
) + 2;
1164 if (new_len
> ctx
->len
) {
1165 ctx
->name
= xrealloc(ctx
->name
, new_len
);
1168 strcat(ctx
->name
, ".");
1169 strcat(ctx
->name
, c
);
1174 ctx
->userFunc(ctx
, 0);
1178 xml_end_tag(void *userData
, const char *name
)
1180 struct xml_ctx
*ctx
= (struct xml_ctx
*)userData
;
1181 const char *c
= strchr(name
, ':');
1184 ctx
->userFunc(ctx
, 1);
1191 ep
= ctx
->name
+ strlen(ctx
->name
) - strlen(c
) - 1;
1196 xml_cdata(void *userData
, const XML_Char
*s
, int len
)
1198 struct xml_ctx
*ctx
= (struct xml_ctx
*)userData
;
1200 ctx
->cdata
= xmemdupz(s
, len
);
1203 static struct remote_lock
*lock_remote(const char *path
, long timeout
)
1205 struct active_request_slot
*slot
;
1206 struct slot_results results
;
1207 struct buffer out_buffer
= { STRBUF_INIT
, 0 };
1208 struct strbuf in_buffer
= STRBUF_INIT
;
1211 char timeout_header
[25];
1212 struct remote_lock
*lock
= NULL
;
1213 struct curl_slist
*dav_headers
= NULL
;
1216 url
= xmalloc(strlen(remote
->url
) + strlen(path
) + 1);
1217 sprintf(url
, "%s%s", remote
->url
, path
);
1219 /* Make sure leading directories exist for the remote ref */
1220 ep
= strchr(url
+ strlen(remote
->url
) + 1, '/');
1222 char saved_character
= ep
[1];
1224 slot
= get_active_slot();
1225 slot
->results
= &results
;
1226 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPGET
, 1);
1227 curl_easy_setopt(slot
->curl
, CURLOPT_URL
, url
);
1228 curl_easy_setopt(slot
->curl
, CURLOPT_CUSTOMREQUEST
, DAV_MKCOL
);
1229 curl_easy_setopt(slot
->curl
, CURLOPT_WRITEFUNCTION
, fwrite_null
);
1230 if (start_active_slot(slot
)) {
1231 run_active_slot(slot
);
1232 if (results
.curl_result
!= CURLE_OK
&&
1233 results
.http_code
!= 405) {
1235 "Unable to create branch path %s\n",
1241 fprintf(stderr
, "Unable to start MKCOL request\n");
1245 ep
[1] = saved_character
;
1246 ep
= strchr(ep
+ 1, '/');
1249 strbuf_addf(&out_buffer
.buf
, LOCK_REQUEST
, git_default_email
);
1251 sprintf(timeout_header
, "Timeout: Second-%ld", timeout
);
1252 dav_headers
= curl_slist_append(dav_headers
, timeout_header
);
1253 dav_headers
= curl_slist_append(dav_headers
, "Content-Type: text/xml");
1255 slot
= get_active_slot();
1256 slot
->results
= &results
;
1257 curl_easy_setopt(slot
->curl
, CURLOPT_INFILE
, &out_buffer
);
1258 curl_easy_setopt(slot
->curl
, CURLOPT_INFILESIZE
, out_buffer
.buf
.len
);
1259 curl_easy_setopt(slot
->curl
, CURLOPT_READFUNCTION
, fread_buffer
);
1260 curl_easy_setopt(slot
->curl
, CURLOPT_FILE
, &in_buffer
);
1261 curl_easy_setopt(slot
->curl
, CURLOPT_WRITEFUNCTION
, fwrite_buffer
);
1262 curl_easy_setopt(slot
->curl
, CURLOPT_URL
, url
);
1263 curl_easy_setopt(slot
->curl
, CURLOPT_UPLOAD
, 1);
1264 curl_easy_setopt(slot
->curl
, CURLOPT_CUSTOMREQUEST
, DAV_LOCK
);
1265 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPHEADER
, dav_headers
);
1267 lock
= xcalloc(1, sizeof(*lock
));
1270 if (start_active_slot(slot
)) {
1271 run_active_slot(slot
);
1272 if (results
.curl_result
== CURLE_OK
) {
1273 XML_Parser parser
= XML_ParserCreate(NULL
);
1274 enum XML_Status result
;
1275 ctx
.name
= xcalloc(10, 1);
1278 ctx
.userFunc
= handle_new_lock_ctx
;
1279 ctx
.userData
= lock
;
1280 XML_SetUserData(parser
, &ctx
);
1281 XML_SetElementHandler(parser
, xml_start_tag
,
1283 XML_SetCharacterDataHandler(parser
, xml_cdata
);
1284 result
= XML_Parse(parser
, in_buffer
.buf
,
1287 if (result
!= XML_STATUS_OK
) {
1288 fprintf(stderr
, "XML error: %s\n",
1290 XML_GetErrorCode(parser
)));
1293 XML_ParserFree(parser
);
1296 fprintf(stderr
, "Unable to start LOCK request\n");
1299 curl_slist_free_all(dav_headers
);
1300 strbuf_release(&out_buffer
.buf
);
1301 strbuf_release(&in_buffer
);
1303 if (lock
->token
== NULL
|| lock
->timeout
<= 0) {
1311 lock
->start_time
= time(NULL
);
1312 lock
->next
= remote
->locks
;
1313 remote
->locks
= lock
;
1319 static int unlock_remote(struct remote_lock
*lock
)
1321 struct active_request_slot
*slot
;
1322 struct slot_results results
;
1323 struct remote_lock
*prev
= remote
->locks
;
1324 struct curl_slist
*dav_headers
;
1327 dav_headers
= get_dav_token_headers(lock
, DAV_HEADER_LOCK
);
1329 slot
= get_active_slot();
1330 slot
->results
= &results
;
1331 curl_easy_setopt(slot
->curl
, CURLOPT_WRITEFUNCTION
, fwrite_null
);
1332 curl_easy_setopt(slot
->curl
, CURLOPT_URL
, lock
->url
);
1333 curl_easy_setopt(slot
->curl
, CURLOPT_CUSTOMREQUEST
, DAV_UNLOCK
);
1334 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPHEADER
, dav_headers
);
1336 if (start_active_slot(slot
)) {
1337 run_active_slot(slot
);
1338 if (results
.curl_result
== CURLE_OK
)
1341 fprintf(stderr
, "UNLOCK HTTP error %ld\n",
1344 fprintf(stderr
, "Unable to start UNLOCK request\n");
1347 curl_slist_free_all(dav_headers
);
1349 if (remote
->locks
== lock
) {
1350 remote
->locks
= lock
->next
;
1352 while (prev
&& prev
->next
!= lock
)
1355 prev
->next
= prev
->next
->next
;
1366 static void remove_locks(void)
1368 struct remote_lock
*lock
= remote
->locks
;
1370 fprintf(stderr
, "Removing remote locks...\n");
1372 unlock_remote(lock
);
1377 static void remove_locks_on_signal(int signo
)
1380 signal(signo
, SIG_DFL
);
1384 static void remote_ls(const char *path
, int flags
,
1385 void (*userFunc
)(struct remote_ls_ctx
*ls
),
1388 static void process_ls_object(struct remote_ls_ctx
*ls
)
1390 unsigned int *parent
= (unsigned int *)ls
->userData
;
1391 char *path
= ls
->dentry_name
;
1394 if (!strcmp(ls
->path
, ls
->dentry_name
) && (ls
->flags
& IS_DIR
)) {
1395 remote_dir_exists
[*parent
] = 1;
1399 if (strlen(path
) != 49)
1402 obj_hex
= xmalloc(strlen(path
));
1403 /* NB: path is not null-terminated, can not use strlcpy here */
1404 memcpy(obj_hex
, path
, 2);
1405 strcpy(obj_hex
+ 2, path
+ 3);
1406 one_remote_object(obj_hex
);
1410 static void process_ls_ref(struct remote_ls_ctx
*ls
)
1412 if (!strcmp(ls
->path
, ls
->dentry_name
) && (ls
->dentry_flags
& IS_DIR
)) {
1413 fprintf(stderr
, " %s\n", ls
->dentry_name
);
1417 if (!(ls
->dentry_flags
& IS_DIR
))
1418 one_remote_ref(ls
->dentry_name
);
1421 static void handle_remote_ls_ctx(struct xml_ctx
*ctx
, int tag_closed
)
1423 struct remote_ls_ctx
*ls
= (struct remote_ls_ctx
*)ctx
->userData
;
1426 if (!strcmp(ctx
->name
, DAV_PROPFIND_RESP
) && ls
->dentry_name
) {
1427 if (ls
->dentry_flags
& IS_DIR
) {
1428 if (ls
->flags
& PROCESS_DIRS
) {
1431 if (strcmp(ls
->dentry_name
, ls
->path
) &&
1432 ls
->flags
& RECURSIVE
) {
1433 remote_ls(ls
->dentry_name
,
1438 } else if (ls
->flags
& PROCESS_FILES
) {
1441 } else if (!strcmp(ctx
->name
, DAV_PROPFIND_NAME
) && ctx
->cdata
) {
1442 char *path
= ctx
->cdata
;
1443 if (*ctx
->cdata
== 'h') {
1444 path
= strstr(path
, "//");
1446 path
= strchr(path
+2, '/');
1450 path
+= remote
->path_len
;
1451 ls
->dentry_name
= xstrdup(path
);
1453 } else if (!strcmp(ctx
->name
, DAV_PROPFIND_COLLECTION
)) {
1454 ls
->dentry_flags
|= IS_DIR
;
1456 } else if (!strcmp(ctx
->name
, DAV_PROPFIND_RESP
)) {
1457 free(ls
->dentry_name
);
1458 ls
->dentry_name
= NULL
;
1459 ls
->dentry_flags
= 0;
1464 * NEEDSWORK: remote_ls() ignores info/refs on the remote side. But it
1465 * should _only_ heed the information from that file, instead of trying to
1466 * determine the refs from the remote file system (badly: it does not even
1467 * know about packed-refs).
1469 static void remote_ls(const char *path
, int flags
,
1470 void (*userFunc
)(struct remote_ls_ctx
*ls
),
1473 char *url
= xmalloc(strlen(remote
->url
) + strlen(path
) + 1);
1474 struct active_request_slot
*slot
;
1475 struct slot_results results
;
1476 struct strbuf in_buffer
= STRBUF_INIT
;
1477 struct buffer out_buffer
= { STRBUF_INIT
, 0 };
1478 struct curl_slist
*dav_headers
= NULL
;
1480 struct remote_ls_ctx ls
;
1483 ls
.path
= xstrdup(path
);
1484 ls
.dentry_name
= NULL
;
1485 ls
.dentry_flags
= 0;
1486 ls
.userData
= userData
;
1487 ls
.userFunc
= userFunc
;
1489 sprintf(url
, "%s%s", remote
->url
, path
);
1491 strbuf_addf(&out_buffer
.buf
, PROPFIND_ALL_REQUEST
);
1493 dav_headers
= curl_slist_append(dav_headers
, "Depth: 1");
1494 dav_headers
= curl_slist_append(dav_headers
, "Content-Type: text/xml");
1496 slot
= get_active_slot();
1497 slot
->results
= &results
;
1498 curl_easy_setopt(slot
->curl
, CURLOPT_INFILE
, &out_buffer
);
1499 curl_easy_setopt(slot
->curl
, CURLOPT_INFILESIZE
, out_buffer
.buf
.len
);
1500 curl_easy_setopt(slot
->curl
, CURLOPT_READFUNCTION
, fread_buffer
);
1501 curl_easy_setopt(slot
->curl
, CURLOPT_FILE
, &in_buffer
);
1502 curl_easy_setopt(slot
->curl
, CURLOPT_WRITEFUNCTION
, fwrite_buffer
);
1503 curl_easy_setopt(slot
->curl
, CURLOPT_URL
, url
);
1504 curl_easy_setopt(slot
->curl
, CURLOPT_UPLOAD
, 1);
1505 curl_easy_setopt(slot
->curl
, CURLOPT_CUSTOMREQUEST
, DAV_PROPFIND
);
1506 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPHEADER
, dav_headers
);
1508 if (start_active_slot(slot
)) {
1509 run_active_slot(slot
);
1510 if (results
.curl_result
== CURLE_OK
) {
1511 XML_Parser parser
= XML_ParserCreate(NULL
);
1512 enum XML_Status result
;
1513 ctx
.name
= xcalloc(10, 1);
1516 ctx
.userFunc
= handle_remote_ls_ctx
;
1518 XML_SetUserData(parser
, &ctx
);
1519 XML_SetElementHandler(parser
, xml_start_tag
,
1521 XML_SetCharacterDataHandler(parser
, xml_cdata
);
1522 result
= XML_Parse(parser
, in_buffer
.buf
,
1526 if (result
!= XML_STATUS_OK
) {
1527 fprintf(stderr
, "XML error: %s\n",
1529 XML_GetErrorCode(parser
)));
1531 XML_ParserFree(parser
);
1534 fprintf(stderr
, "Unable to start PROPFIND request\n");
1539 strbuf_release(&out_buffer
.buf
);
1540 strbuf_release(&in_buffer
);
1541 curl_slist_free_all(dav_headers
);
1544 static void get_remote_object_list(unsigned char parent
)
1546 char path
[] = "objects/XX/";
1547 static const char hex
[] = "0123456789abcdef";
1548 unsigned int val
= parent
;
1550 path
[8] = hex
[val
>> 4];
1551 path
[9] = hex
[val
& 0xf];
1552 remote_dir_exists
[val
] = 0;
1553 remote_ls(path
, (PROCESS_FILES
| PROCESS_DIRS
),
1554 process_ls_object
, &val
);
1557 static int locking_available(void)
1559 struct active_request_slot
*slot
;
1560 struct slot_results results
;
1561 struct strbuf in_buffer
= STRBUF_INIT
;
1562 struct buffer out_buffer
= { STRBUF_INIT
, 0 };
1563 struct curl_slist
*dav_headers
= NULL
;
1567 strbuf_addf(&out_buffer
.buf
, PROPFIND_SUPPORTEDLOCK_REQUEST
, remote
->url
);
1569 dav_headers
= curl_slist_append(dav_headers
, "Depth: 0");
1570 dav_headers
= curl_slist_append(dav_headers
, "Content-Type: text/xml");
1572 slot
= get_active_slot();
1573 slot
->results
= &results
;
1574 curl_easy_setopt(slot
->curl
, CURLOPT_INFILE
, &out_buffer
);
1575 curl_easy_setopt(slot
->curl
, CURLOPT_INFILESIZE
, out_buffer
.buf
.len
);
1576 curl_easy_setopt(slot
->curl
, CURLOPT_READFUNCTION
, fread_buffer
);
1577 curl_easy_setopt(slot
->curl
, CURLOPT_FILE
, &in_buffer
);
1578 curl_easy_setopt(slot
->curl
, CURLOPT_WRITEFUNCTION
, fwrite_buffer
);
1579 curl_easy_setopt(slot
->curl
, CURLOPT_URL
, remote
->url
);
1580 curl_easy_setopt(slot
->curl
, CURLOPT_UPLOAD
, 1);
1581 curl_easy_setopt(slot
->curl
, CURLOPT_CUSTOMREQUEST
, DAV_PROPFIND
);
1582 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPHEADER
, dav_headers
);
1584 if (start_active_slot(slot
)) {
1585 run_active_slot(slot
);
1586 if (results
.curl_result
== CURLE_OK
) {
1587 XML_Parser parser
= XML_ParserCreate(NULL
);
1588 enum XML_Status result
;
1589 ctx
.name
= xcalloc(10, 1);
1592 ctx
.userFunc
= handle_lockprop_ctx
;
1593 ctx
.userData
= &lock_flags
;
1594 XML_SetUserData(parser
, &ctx
);
1595 XML_SetElementHandler(parser
, xml_start_tag
,
1597 result
= XML_Parse(parser
, in_buffer
.buf
,
1601 if (result
!= XML_STATUS_OK
) {
1602 fprintf(stderr
, "XML error: %s\n",
1604 XML_GetErrorCode(parser
)));
1607 XML_ParserFree(parser
);
1609 error("Error: no DAV locking support on %s",
1613 error("Cannot access URL %s, return code %d",
1614 remote
->url
, results
.curl_result
);
1618 error("Unable to start PROPFIND request on %s", remote
->url
);
1621 strbuf_release(&out_buffer
.buf
);
1622 strbuf_release(&in_buffer
);
1623 curl_slist_free_all(dav_headers
);
1628 static struct object_list
**add_one_object(struct object
*obj
, struct object_list
**p
)
1630 struct object_list
*entry
= xmalloc(sizeof(struct object_list
));
1634 return &entry
->next
;
1637 static struct object_list
**process_blob(struct blob
*blob
,
1638 struct object_list
**p
,
1639 struct name_path
*path
,
1642 struct object
*obj
= &blob
->object
;
1644 obj
->flags
|= LOCAL
;
1646 if (obj
->flags
& (UNINTERESTING
| SEEN
))
1650 return add_one_object(obj
, p
);
1653 static struct object_list
**process_tree(struct tree
*tree
,
1654 struct object_list
**p
,
1655 struct name_path
*path
,
1658 struct object
*obj
= &tree
->object
;
1659 struct tree_desc desc
;
1660 struct name_entry entry
;
1661 struct name_path me
;
1663 obj
->flags
|= LOCAL
;
1665 if (obj
->flags
& (UNINTERESTING
| SEEN
))
1667 if (parse_tree(tree
) < 0)
1668 die("bad tree object %s", sha1_to_hex(obj
->sha1
));
1671 name
= xstrdup(name
);
1672 p
= add_one_object(obj
, p
);
1675 me
.elem_len
= strlen(name
);
1677 init_tree_desc(&desc
, tree
->buffer
, tree
->size
);
1679 while (tree_entry(&desc
, &entry
))
1680 switch (object_type(entry
.mode
)) {
1682 p
= process_tree(lookup_tree(entry
.sha1
), p
, &me
, name
);
1685 p
= process_blob(lookup_blob(entry
.sha1
), p
, &me
, name
);
1688 /* Subproject commit - not in this repository */
1693 tree
->buffer
= NULL
;
1697 static int get_delta(struct rev_info
*revs
, struct remote_lock
*lock
)
1700 struct commit
*commit
;
1701 struct object_list
**p
= &objects
;
1704 while ((commit
= get_revision(revs
)) != NULL
) {
1705 p
= process_tree(commit
->tree
, p
, NULL
, "");
1706 commit
->object
.flags
|= LOCAL
;
1707 if (!(commit
->object
.flags
& UNINTERESTING
))
1708 count
+= add_send_request(&commit
->object
, lock
);
1711 for (i
= 0; i
< revs
->pending
.nr
; i
++) {
1712 struct object_array_entry
*entry
= revs
->pending
.objects
+ i
;
1713 struct object
*obj
= entry
->item
;
1714 const char *name
= entry
->name
;
1716 if (obj
->flags
& (UNINTERESTING
| SEEN
))
1718 if (obj
->type
== OBJ_TAG
) {
1720 p
= add_one_object(obj
, p
);
1723 if (obj
->type
== OBJ_TREE
) {
1724 p
= process_tree((struct tree
*)obj
, p
, NULL
, name
);
1727 if (obj
->type
== OBJ_BLOB
) {
1728 p
= process_blob((struct blob
*)obj
, p
, NULL
, name
);
1731 die("unknown pending object %s (%s)", sha1_to_hex(obj
->sha1
), name
);
1735 if (!(objects
->item
->flags
& UNINTERESTING
))
1736 count
+= add_send_request(objects
->item
, lock
);
1737 objects
= objects
->next
;
1743 static int update_remote(unsigned char *sha1
, struct remote_lock
*lock
)
1745 struct active_request_slot
*slot
;
1746 struct slot_results results
;
1747 struct buffer out_buffer
= { STRBUF_INIT
, 0 };
1748 struct curl_slist
*dav_headers
;
1750 dav_headers
= get_dav_token_headers(lock
, DAV_HEADER_IF
);
1752 strbuf_addf(&out_buffer
.buf
, "%s\n", sha1_to_hex(sha1
));
1754 slot
= get_active_slot();
1755 slot
->results
= &results
;
1756 curl_easy_setopt(slot
->curl
, CURLOPT_INFILE
, &out_buffer
);
1757 curl_easy_setopt(slot
->curl
, CURLOPT_INFILESIZE
, out_buffer
.buf
.len
);
1758 curl_easy_setopt(slot
->curl
, CURLOPT_READFUNCTION
, fread_buffer
);
1759 curl_easy_setopt(slot
->curl
, CURLOPT_WRITEFUNCTION
, fwrite_null
);
1760 curl_easy_setopt(slot
->curl
, CURLOPT_CUSTOMREQUEST
, DAV_PUT
);
1761 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPHEADER
, dav_headers
);
1762 curl_easy_setopt(slot
->curl
, CURLOPT_UPLOAD
, 1);
1763 curl_easy_setopt(slot
->curl
, CURLOPT_PUT
, 1);
1764 curl_easy_setopt(slot
->curl
, CURLOPT_URL
, lock
->url
);
1766 if (start_active_slot(slot
)) {
1767 run_active_slot(slot
);
1768 strbuf_release(&out_buffer
.buf
);
1769 if (results
.curl_result
!= CURLE_OK
) {
1771 "PUT error: curl result=%d, HTTP code=%ld\n",
1772 results
.curl_result
, results
.http_code
);
1773 /* We should attempt recovery? */
1777 strbuf_release(&out_buffer
.buf
);
1778 fprintf(stderr
, "Unable to start PUT request\n");
1785 static struct ref
*local_refs
, **local_tail
;
1786 static struct ref
*remote_refs
, **remote_tail
;
1788 static int one_local_ref(const char *refname
, const unsigned char *sha1
, int flag
, void *cb_data
)
1791 int len
= strlen(refname
) + 1;
1792 ref
= xcalloc(1, sizeof(*ref
) + len
);
1793 hashcpy(ref
->new_sha1
, sha1
);
1794 memcpy(ref
->name
, refname
, len
);
1796 local_tail
= &ref
->next
;
1800 static void one_remote_ref(char *refname
)
1805 ref
= alloc_ref(refname
);
1807 if (http_fetch_ref(remote
->url
, ref
) != 0) {
1809 "Unable to fetch ref %s from %s\n",
1810 refname
, remote
->url
);
1816 * Fetch a copy of the object if it doesn't exist locally - it
1817 * may be required for updating server info later.
1819 if (remote
->can_update_info_refs
&& !has_sha1_file(ref
->old_sha1
)) {
1820 obj
= lookup_unknown_object(ref
->old_sha1
);
1822 fprintf(stderr
, " fetch %s for %s\n",
1823 sha1_to_hex(ref
->old_sha1
), refname
);
1824 add_fetch_request(obj
);
1829 remote_tail
= &ref
->next
;
1832 static void get_local_heads(void)
1834 local_tail
= &local_refs
;
1835 for_each_ref(one_local_ref
, NULL
);
1838 static void get_dav_remote_heads(void)
1840 remote_tail
= &remote_refs
;
1841 remote_ls("refs/", (PROCESS_FILES
| PROCESS_DIRS
| RECURSIVE
), process_ls_ref
, NULL
);
1844 static int is_zero_sha1(const unsigned char *sha1
)
1848 for (i
= 0; i
< 20; i
++) {
1855 static void unmark_and_free(struct commit_list
*list
, unsigned int mark
)
1858 struct commit_list
*temp
= list
;
1859 temp
->item
->object
.flags
&= ~mark
;
1865 static int ref_newer(const unsigned char *new_sha1
,
1866 const unsigned char *old_sha1
)
1869 struct commit
*old
, *new;
1870 struct commit_list
*list
, *used
;
1873 /* Both new and old must be commit-ish and new is descendant of
1874 * old. Otherwise we require --force.
1876 o
= deref_tag(parse_object(old_sha1
), NULL
, 0);
1877 if (!o
|| o
->type
!= OBJ_COMMIT
)
1879 old
= (struct commit
*) o
;
1881 o
= deref_tag(parse_object(new_sha1
), NULL
, 0);
1882 if (!o
|| o
->type
!= OBJ_COMMIT
)
1884 new = (struct commit
*) o
;
1886 if (parse_commit(new) < 0)
1890 commit_list_insert(new, &list
);
1892 new = pop_most_recent_commit(&list
, TMP_MARK
);
1893 commit_list_insert(new, &used
);
1899 unmark_and_free(list
, TMP_MARK
);
1900 unmark_and_free(used
, TMP_MARK
);
1904 static void add_remote_info_ref(struct remote_ls_ctx
*ls
)
1906 struct strbuf
*buf
= (struct strbuf
*)ls
->userData
;
1912 ref
= alloc_ref(ls
->dentry_name
);
1914 if (http_fetch_ref(remote
->url
, ref
) != 0) {
1916 "Unable to fetch ref %s from %s\n",
1917 ls
->dentry_name
, remote
->url
);
1923 o
= parse_object(ref
->old_sha1
);
1926 "Unable to parse object %s for remote ref %s\n",
1927 sha1_to_hex(ref
->old_sha1
), ls
->dentry_name
);
1933 len
= strlen(ls
->dentry_name
) + 42;
1934 ref_info
= xcalloc(len
+ 1, 1);
1935 sprintf(ref_info
, "%s %s\n",
1936 sha1_to_hex(ref
->old_sha1
), ls
->dentry_name
);
1937 fwrite_buffer(ref_info
, 1, len
, buf
);
1940 if (o
->type
== OBJ_TAG
) {
1941 o
= deref_tag(o
, ls
->dentry_name
, 0);
1943 len
= strlen(ls
->dentry_name
) + 45;
1944 ref_info
= xcalloc(len
+ 1, 1);
1945 sprintf(ref_info
, "%s %s^{}\n",
1946 sha1_to_hex(o
->sha1
), ls
->dentry_name
);
1947 fwrite_buffer(ref_info
, 1, len
, buf
);
1954 static void update_remote_info_refs(struct remote_lock
*lock
)
1956 struct buffer buffer
= { STRBUF_INIT
, 0 };
1957 struct active_request_slot
*slot
;
1958 struct slot_results results
;
1959 struct curl_slist
*dav_headers
;
1961 remote_ls("refs/", (PROCESS_FILES
| RECURSIVE
),
1962 add_remote_info_ref
, &buffer
.buf
);
1964 dav_headers
= get_dav_token_headers(lock
, DAV_HEADER_IF
);
1966 slot
= get_active_slot();
1967 slot
->results
= &results
;
1968 curl_easy_setopt(slot
->curl
, CURLOPT_INFILE
, &buffer
);
1969 curl_easy_setopt(slot
->curl
, CURLOPT_INFILESIZE
, buffer
.buf
.len
);
1970 curl_easy_setopt(slot
->curl
, CURLOPT_READFUNCTION
, fread_buffer
);
1971 curl_easy_setopt(slot
->curl
, CURLOPT_WRITEFUNCTION
, fwrite_null
);
1972 curl_easy_setopt(slot
->curl
, CURLOPT_CUSTOMREQUEST
, DAV_PUT
);
1973 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPHEADER
, dav_headers
);
1974 curl_easy_setopt(slot
->curl
, CURLOPT_UPLOAD
, 1);
1975 curl_easy_setopt(slot
->curl
, CURLOPT_PUT
, 1);
1976 curl_easy_setopt(slot
->curl
, CURLOPT_URL
, lock
->url
);
1978 if (start_active_slot(slot
)) {
1979 run_active_slot(slot
);
1980 if (results
.curl_result
!= CURLE_OK
) {
1982 "PUT error: curl result=%d, HTTP code=%ld\n",
1983 results
.curl_result
, results
.http_code
);
1987 strbuf_release(&buffer
.buf
);
1990 static int remote_exists(const char *path
)
1992 char *url
= xmalloc(strlen(remote
->url
) + strlen(path
) + 1);
1993 struct active_request_slot
*slot
;
1994 struct slot_results results
;
1997 sprintf(url
, "%s%s", remote
->url
, path
);
1999 slot
= get_active_slot();
2000 slot
->results
= &results
;
2001 curl_easy_setopt(slot
->curl
, CURLOPT_URL
, url
);
2002 curl_easy_setopt(slot
->curl
, CURLOPT_NOBODY
, 1);
2004 if (start_active_slot(slot
)) {
2005 run_active_slot(slot
);
2006 if (results
.http_code
== 404)
2008 else if (results
.curl_result
== CURLE_OK
)
2011 fprintf(stderr
, "HEAD HTTP error %ld\n", results
.http_code
);
2013 fprintf(stderr
, "Unable to start HEAD request\n");
2020 static void fetch_symref(const char *path
, char **symref
, unsigned char *sha1
)
2023 struct strbuf buffer
= STRBUF_INIT
;
2024 struct active_request_slot
*slot
;
2025 struct slot_results results
;
2027 url
= xmalloc(strlen(remote
->url
) + strlen(path
) + 1);
2028 sprintf(url
, "%s%s", remote
->url
, path
);
2030 slot
= get_active_slot();
2031 slot
->results
= &results
;
2032 curl_easy_setopt(slot
->curl
, CURLOPT_FILE
, &buffer
);
2033 curl_easy_setopt(slot
->curl
, CURLOPT_WRITEFUNCTION
, fwrite_buffer
);
2034 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPHEADER
, NULL
);
2035 curl_easy_setopt(slot
->curl
, CURLOPT_URL
, url
);
2036 if (start_active_slot(slot
)) {
2037 run_active_slot(slot
);
2038 if (results
.curl_result
!= CURLE_OK
) {
2039 die("Couldn't get %s for remote symref\n%s",
2040 url
, curl_errorstr
);
2043 die("Unable to start remote symref request");
2051 if (buffer
.len
== 0)
2054 /* If it's a symref, set the refname; otherwise try for a sha1 */
2055 if (!prefixcmp((char *)buffer
.buf
, "ref: ")) {
2056 *symref
= xmemdupz((char *)buffer
.buf
+ 5, buffer
.len
- 6);
2058 get_sha1_hex(buffer
.buf
, sha1
);
2061 strbuf_release(&buffer
);
2064 static int verify_merge_base(unsigned char *head_sha1
, unsigned char *branch_sha1
)
2066 struct commit
*head
= lookup_commit(head_sha1
);
2067 struct commit
*branch
= lookup_commit(branch_sha1
);
2068 struct commit_list
*merge_bases
= get_merge_bases(head
, branch
, 1);
2070 return (merge_bases
&& !merge_bases
->next
&& merge_bases
->item
== branch
);
2073 static int delete_remote_branch(char *pattern
, int force
)
2075 struct ref
*refs
= remote_refs
;
2076 struct ref
*remote_ref
= NULL
;
2077 unsigned char head_sha1
[20];
2078 char *symref
= NULL
;
2080 int patlen
= strlen(pattern
);
2082 struct active_request_slot
*slot
;
2083 struct slot_results results
;
2086 /* Find the remote branch(es) matching the specified branch name */
2087 for (match
= 0; refs
; refs
= refs
->next
) {
2088 char *name
= refs
->name
;
2089 int namelen
= strlen(name
);
2090 if (namelen
< patlen
||
2091 memcmp(name
+ namelen
- patlen
, pattern
, patlen
))
2093 if (namelen
!= patlen
&& name
[namelen
- patlen
- 1] != '/')
2099 return error("No remote branch matches %s", pattern
);
2101 return error("More than one remote branch matches %s",
2105 * Remote HEAD must be a symref (not exactly foolproof; a remote
2106 * symlink to a symref will look like a symref)
2108 fetch_symref("HEAD", &symref
, head_sha1
);
2110 return error("Remote HEAD is not a symref");
2112 /* Remote branch must not be the remote HEAD */
2113 for (i
=0; symref
&& i
<MAXDEPTH
; i
++) {
2114 if (!strcmp(remote_ref
->name
, symref
))
2115 return error("Remote branch %s is the current HEAD",
2117 fetch_symref(symref
, &symref
, head_sha1
);
2120 /* Run extra sanity checks if delete is not forced */
2122 /* Remote HEAD must resolve to a known object */
2124 return error("Remote HEAD symrefs too deep");
2125 if (is_zero_sha1(head_sha1
))
2126 return error("Unable to resolve remote HEAD");
2127 if (!has_sha1_file(head_sha1
))
2128 return error("Remote HEAD resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", sha1_to_hex(head_sha1
));
2130 /* Remote branch must resolve to a known object */
2131 if (is_zero_sha1(remote_ref
->old_sha1
))
2132 return error("Unable to resolve remote branch %s",
2134 if (!has_sha1_file(remote_ref
->old_sha1
))
2135 return error("Remote branch %s resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", remote_ref
->name
, sha1_to_hex(remote_ref
->old_sha1
));
2137 /* Remote branch must be an ancestor of remote HEAD */
2138 if (!verify_merge_base(head_sha1
, remote_ref
->old_sha1
)) {
2139 return error("The branch '%s' is not an ancestor "
2140 "of your current HEAD.\n"
2141 "If you are sure you want to delete it,"
2142 " run:\n\t'git http-push -D %s %s'",
2143 remote_ref
->name
, remote
->url
, pattern
);
2147 /* Send delete request */
2148 fprintf(stderr
, "Removing remote branch '%s'\n", remote_ref
->name
);
2151 url
= xmalloc(strlen(remote
->url
) + strlen(remote_ref
->name
) + 1);
2152 sprintf(url
, "%s%s", remote
->url
, remote_ref
->name
);
2153 slot
= get_active_slot();
2154 slot
->results
= &results
;
2155 curl_easy_setopt(slot
->curl
, CURLOPT_HTTPGET
, 1);
2156 curl_easy_setopt(slot
->curl
, CURLOPT_WRITEFUNCTION
, fwrite_null
);
2157 curl_easy_setopt(slot
->curl
, CURLOPT_URL
, url
);
2158 curl_easy_setopt(slot
->curl
, CURLOPT_CUSTOMREQUEST
, DAV_DELETE
);
2159 if (start_active_slot(slot
)) {
2160 run_active_slot(slot
);
2162 if (results
.curl_result
!= CURLE_OK
)
2163 return error("DELETE request failed (%d/%ld)\n",
2164 results
.curl_result
, results
.http_code
);
2167 return error("Unable to start DELETE request");
2173 int main(int argc
, char **argv
)
2175 struct transfer_request
*request
;
2176 struct transfer_request
*next_request
;
2178 char **refspec
= NULL
;
2179 struct remote_lock
*ref_lock
= NULL
;
2180 struct remote_lock
*info_ref_lock
= NULL
;
2181 struct rev_info revs
;
2182 int delete_branch
= 0;
2183 int force_delete
= 0;
2184 int objects_to_send
;
2189 char *rewritten_url
= NULL
;
2191 setup_git_directory();
2193 remote
= xcalloc(sizeof(*remote
), 1);
2196 for (i
= 1; i
< argc
; i
++, argv
++) {
2200 if (!strcmp(arg
, "--all")) {
2201 push_all
= MATCH_REFS_ALL
;
2204 if (!strcmp(arg
, "--force")) {
2208 if (!strcmp(arg
, "--dry-run")) {
2212 if (!strcmp(arg
, "--verbose")) {
2216 if (!strcmp(arg
, "-d")) {
2220 if (!strcmp(arg
, "-D")) {
2227 char *path
= strstr(arg
, "//");
2229 remote
->path_len
= strlen(arg
);
2231 remote
->path
= strchr(path
+2, '/');
2233 remote
->path_len
= strlen(remote
->path
);
2238 nr_refspec
= argc
- i
;
2242 #ifndef USE_CURL_MULTI
2243 die("git-push is not available for http/https repository when not compiled with USE_CURL_MULTI");
2247 usage(http_push_usage
);
2249 if (delete_branch
&& nr_refspec
!= 1)
2250 die("You must specify only one branch name when deleting a remote branch");
2252 memset(remote_dir_exists
, -1, 256);
2256 no_pragma_header
= curl_slist_append(no_pragma_header
, "Pragma:");
2258 if (remote
->url
&& remote
->url
[strlen(remote
->url
)-1] != '/') {
2259 rewritten_url
= xmalloc(strlen(remote
->url
)+2);
2260 strcpy(rewritten_url
, remote
->url
);
2261 strcat(rewritten_url
, "/");
2262 remote
->path
= rewritten_url
+ (remote
->path
- remote
->url
);
2264 remote
->url
= rewritten_url
;
2267 /* Verify DAV compliance/lock support */
2268 if (!locking_available()) {
2273 signal(SIGINT
, remove_locks_on_signal
);
2274 signal(SIGHUP
, remove_locks_on_signal
);
2275 signal(SIGQUIT
, remove_locks_on_signal
);
2276 signal(SIGTERM
, remove_locks_on_signal
);
2278 /* Check whether the remote has server info files */
2279 remote
->can_update_info_refs
= 0;
2280 remote
->has_info_refs
= remote_exists("info/refs");
2281 remote
->has_info_packs
= remote_exists("objects/info/packs");
2282 if (remote
->has_info_refs
) {
2283 info_ref_lock
= lock_remote("info/refs", LOCK_TIME
);
2285 remote
->can_update_info_refs
= 1;
2287 fprintf(stderr
, "Error: cannot lock existing info/refs\n");
2292 if (remote
->has_info_packs
)
2295 /* Get a list of all local and remote heads to validate refspecs */
2297 fprintf(stderr
, "Fetching remote heads...\n");
2298 get_dav_remote_heads();
2300 /* Remove a remote branch if -d or -D was specified */
2301 if (delete_branch
) {
2302 if (delete_remote_branch(refspec
[0], force_delete
) == -1)
2303 fprintf(stderr
, "Unable to delete remote branch %s\n",
2310 remote_tail
= &remote_refs
;
2311 if (match_refs(local_refs
, remote_refs
, &remote_tail
,
2312 nr_refspec
, (const char **) refspec
, push_all
)) {
2317 fprintf(stderr
, "No refs in common and none specified; doing nothing.\n");
2323 for (ref
= remote_refs
; ref
; ref
= ref
->next
) {
2324 char old_hex
[60], *new_hex
;
2325 const char *commit_argv
[4];
2327 char *new_sha1_hex
, *old_sha1_hex
;
2332 if (is_zero_sha1(ref
->peer_ref
->new_sha1
)) {
2333 if (delete_remote_branch(ref
->name
, 1) == -1) {
2334 error("Could not remove %s", ref
->name
);
2341 if (!hashcmp(ref
->old_sha1
, ref
->peer_ref
->new_sha1
)) {
2342 if (push_verbosely
|| 1)
2343 fprintf(stderr
, "'%s': up-to-date\n", ref
->name
);
2348 !is_zero_sha1(ref
->old_sha1
) &&
2350 if (!has_sha1_file(ref
->old_sha1
) ||
2351 !ref_newer(ref
->peer_ref
->new_sha1
,
2354 * We do not have the remote ref, or
2355 * we know that the remote ref is not
2356 * an ancestor of what we are trying to
2357 * push. Either way this can be losing
2358 * commits at the remote end and likely
2359 * we were not up to date to begin with.
2361 error("remote '%s' is not an ancestor of\n"
2363 "Maybe you are not up-to-date and "
2364 "need to pull first?",
2366 ref
->peer_ref
->name
);
2371 hashcpy(ref
->new_sha1
, ref
->peer_ref
->new_sha1
);
2373 strcpy(old_hex
, sha1_to_hex(ref
->old_sha1
));
2374 new_hex
= sha1_to_hex(ref
->new_sha1
);
2376 fprintf(stderr
, "updating '%s'", ref
->name
);
2377 if (strcmp(ref
->name
, ref
->peer_ref
->name
))
2378 fprintf(stderr
, " using '%s'", ref
->peer_ref
->name
);
2379 fprintf(stderr
, "\n from %s\n to %s\n", old_hex
, new_hex
);
2383 /* Lock remote branch ref */
2384 ref_lock
= lock_remote(ref
->name
, LOCK_TIME
);
2385 if (ref_lock
== NULL
) {
2386 fprintf(stderr
, "Unable to lock remote branch %s\n",
2392 /* Set up revision info for this refspec */
2394 new_sha1_hex
= xstrdup(sha1_to_hex(ref
->new_sha1
));
2395 old_sha1_hex
= NULL
;
2396 commit_argv
[1] = "--objects";
2397 commit_argv
[2] = new_sha1_hex
;
2398 if (!push_all
&& !is_zero_sha1(ref
->old_sha1
)) {
2399 old_sha1_hex
= xmalloc(42);
2400 sprintf(old_sha1_hex
, "^%s",
2401 sha1_to_hex(ref
->old_sha1
));
2402 commit_argv
[3] = old_sha1_hex
;
2405 init_revisions(&revs
, setup_git_directory());
2406 setup_revisions(commit_argc
, commit_argv
, &revs
, NULL
);
2407 revs
.edge_hint
= 0; /* just in case */
2411 commit_argv
[1] = NULL
;
2414 /* Generate a list of objects that need to be pushed */
2416 if (prepare_revision_walk(&revs
))
2417 die("revision walk setup failed");
2418 mark_edges_uninteresting(revs
.commits
, &revs
, NULL
);
2419 objects_to_send
= get_delta(&revs
, ref_lock
);
2420 finish_all_active_slots();
2422 /* Push missing objects to remote, this would be a
2423 convenient time to pack them first if appropriate. */
2425 if (objects_to_send
)
2426 fprintf(stderr
, " sending %d objects\n",
2428 #ifdef USE_CURL_MULTI
2429 fill_active_slots();
2430 add_fill_function(NULL
, fill_active_slot
);
2433 finish_all_active_slots();
2434 #ifdef USE_CURL_MULTI
2435 fill_active_slots();
2437 } while (request_queue_head
&& !aborted
);
2439 /* Update the remote branch if all went well */
2440 if (aborted
|| !update_remote(ref
->new_sha1
, ref_lock
))
2444 fprintf(stderr
, " done\n");
2445 unlock_remote(ref_lock
);
2449 /* Update remote server info if appropriate */
2450 if (remote
->has_info_refs
&& new_refs
) {
2451 if (info_ref_lock
&& remote
->can_update_info_refs
) {
2452 fprintf(stderr
, "Updating remote server info\n");
2454 update_remote_info_refs(info_ref_lock
);
2456 fprintf(stderr
, "Unable to update server info\n");
2461 free(rewritten_url
);
2463 unlock_remote(info_ref_lock
);
2466 curl_slist_free_all(no_pragma_header
);
2470 request
= request_queue_head
;
2471 while (request
!= NULL
) {
2472 next_request
= request
->next
;
2473 release_request(request
);
2474 request
= next_request
;