11 #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
31 #define DAV_LOCK "LOCK"
32 #define DAV_MKCOL "MKCOL"
33 #define DAV_MOVE "MOVE"
34 #define DAV_PROPFIND "PROPFIND"
36 #define DAV_UNLOCK "UNLOCK"
37 #define DAV_DELETE "DELETE"
40 #define DAV_PROP_LOCKWR (1u << 0)
41 #define DAV_PROP_LOCKEX (1u << 1)
42 #define DAV_LOCK_OK (1u << 2)
44 /* DAV XML properties */
45 #define DAV_CTX_LOCKENTRY ".multistatus.response.propstat.prop.supportedlock.lockentry"
46 #define DAV_CTX_LOCKTYPE_WRITE ".multistatus.response.propstat.prop.supportedlock.lockentry.locktype.write"
47 #define DAV_CTX_LOCKTYPE_EXCLUSIVE ".multistatus.response.propstat.prop.supportedlock.lockentry.lockscope.exclusive"
48 #define DAV_ACTIVELOCK_OWNER ".prop.lockdiscovery.activelock.owner.href"
49 #define DAV_ACTIVELOCK_TIMEOUT ".prop.lockdiscovery.activelock.timeout"
50 #define DAV_ACTIVELOCK_TOKEN ".prop.lockdiscovery.activelock.locktoken.href"
51 #define DAV_PROPFIND_RESP ".multistatus.response"
52 #define DAV_PROPFIND_NAME ".multistatus.response.href"
53 #define DAV_PROPFIND_COLLECTION ".multistatus.response.propstat.prop.resourcetype.collection"
55 /* DAV request body templates */
56 #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>"
57 #define PROPFIND_ALL_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:propfind xmlns:D=\"DAV:\">\n<D:allprop/>\n</D:propfind>"
58 #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>"
61 #define LOCK_REFRESH 30
63 /* bits #0-15 in revision.h */
65 #define LOCAL (1u<<16)
66 #define REMOTE (1u<<17)
67 #define FETCHING (1u<<18)
68 #define PUSHING (1u<<19)
70 /* We allow "recursive" symbolic refs. Only within reason, though */
75 static signed char remote_dir_exists[256];
77 static int push_verbosely;
78 static int push_all = MATCH_REFS_NONE;
81 static int helper_status;
83 static struct object_list *objects;
91 int can_update_info_refs;
93 struct packed_git *packs;
94 struct remote_lock *locks;
97 static struct repo *repo;
111 struct transfer_request
116 struct remote_lock *lock;
117 struct curl_slist *headers;
118 struct buffer buffer;
119 enum transfer_state state;
120 CURLcode curl_result;
121 char errorstr[CURL_ERROR_SIZE];
124 struct active_request_slot *slot;
125 struct transfer_request *next;
128 static struct transfer_request *request_queue_head;
135 void (*userFunc)(struct xml_ctx *ctx, int tag_closed);
144 char tmpfile_suffix[41];
148 struct remote_lock *next;
151 /* Flags that control remote_ls processing */
152 #define PROCESS_FILES (1u << 0)
153 #define PROCESS_DIRS (1u << 1)
154 #define RECURSIVE (1u << 2)
156 /* Flags that remote_ls passes to callback functions */
157 #define IS_DIR (1u << 0)
162 void (*userFunc)(struct remote_ls_ctx *ls);
167 struct remote_ls_ctx *parent;
170 /* get_dav_token_headers options */
171 enum dav_header_flag {
172 DAV_HEADER_IF = (1u << 0),
173 DAV_HEADER_LOCK = (1u << 1),
174 DAV_HEADER_TIMEOUT = (1u << 2)
177 static char *xml_entities(char *s)
179 struct strbuf buf = STRBUF_INIT;
181 size_t len = strcspn(s, "\"<>&");
182 strbuf_add(&buf, s, len);
186 strbuf_addstr(&buf, """);
189 strbuf_addstr(&buf, "<");
192 strbuf_addstr(&buf, ">");
195 strbuf_addstr(&buf, "&");
198 return strbuf_detach(&buf, NULL);
202 return strbuf_detach(&buf, NULL);
205 static struct curl_slist *get_dav_token_headers(struct remote_lock *lock, enum dav_header_flag options)
207 struct strbuf buf = STRBUF_INIT;
208 struct curl_slist *dav_headers = NULL;
210 if (options & DAV_HEADER_IF) {
211 strbuf_addf(&buf, "If: (<%s>)", lock->token);
212 dav_headers = curl_slist_append(dav_headers, buf.buf);
215 if (options & DAV_HEADER_LOCK) {
216 strbuf_addf(&buf, "Lock-Token: <%s>", lock->token);
217 dav_headers = curl_slist_append(dav_headers, buf.buf);
220 if (options & DAV_HEADER_TIMEOUT) {
221 strbuf_addf(&buf, "Timeout: Second-%ld", lock->timeout);
222 dav_headers = curl_slist_append(dav_headers, buf.buf);
225 strbuf_release(&buf);
230 static void finish_request(struct transfer_request *request);
231 static void release_request(struct transfer_request *request);
233 static void process_response(void *callback_data)
235 struct transfer_request *request =
236 (struct transfer_request *)callback_data;
238 finish_request(request);
241 #ifdef USE_CURL_MULTI
243 static void start_fetch_loose(struct transfer_request *request)
245 struct active_request_slot *slot;
246 struct http_object_request *obj_req;
248 obj_req = new_http_object_request(repo->url, request->obj->sha1);
249 if (obj_req == NULL) {
250 request->state = ABORTED;
254 slot = obj_req->slot;
255 slot->callback_func = process_response;
256 slot->callback_data = request;
257 request->slot = slot;
258 request->userData = obj_req;
260 /* Try to get the request started, abort the request on error */
261 request->state = RUN_FETCH_LOOSE;
262 if (!start_active_slot(slot)) {
263 fprintf(stderr, "Unable to start GET request\n");
264 repo->can_update_info_refs = 0;
265 release_http_object_request(obj_req);
266 release_request(request);
270 static void start_mkcol(struct transfer_request *request)
272 char *hex = sha1_to_hex(request->obj->sha1);
273 struct active_request_slot *slot;
275 request->url = get_remote_object_url(repo->url, hex, 1);
277 slot = get_active_slot();
278 slot->callback_func = process_response;
279 slot->callback_data = request;
280 curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */
281 curl_easy_setopt(slot->curl, CURLOPT_URL, request->url);
282 curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr);
283 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL);
284 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
286 if (start_active_slot(slot)) {
287 request->slot = slot;
288 request->state = RUN_MKCOL;
290 request->state = ABORTED;
297 static void start_fetch_packed(struct transfer_request *request)
299 struct packed_git *target;
301 struct transfer_request *check_request = request_queue_head;
302 struct http_pack_request *preq;
304 target = find_sha1_pack(request->obj->sha1, repo->packs);
306 fprintf(stderr, "Unable to fetch %s, will not be able to update server info refs\n", sha1_to_hex(request->obj->sha1));
307 repo->can_update_info_refs = 0;
308 release_request(request);
312 fprintf(stderr, "Fetching pack %s\n", sha1_to_hex(target->sha1));
313 fprintf(stderr, " which contains %s\n", sha1_to_hex(request->obj->sha1));
315 preq = new_http_pack_request(target, repo->url);
317 release_http_pack_request(preq);
318 repo->can_update_info_refs = 0;
321 preq->lst = &repo->packs;
323 /* Make sure there isn't another open request for this pack */
324 while (check_request) {
325 if (check_request->state == RUN_FETCH_PACKED &&
326 !strcmp(check_request->url, preq->url)) {
327 release_http_pack_request(preq);
328 release_request(request);
331 check_request = check_request->next;
334 preq->slot->callback_func = process_response;
335 preq->slot->callback_data = request;
336 request->slot = preq->slot;
337 request->userData = preq;
339 /* Try to get the request started, abort the request on error */
340 request->state = RUN_FETCH_PACKED;
341 if (!start_active_slot(preq->slot)) {
342 fprintf(stderr, "Unable to start GET request\n");
343 release_http_pack_request(preq);
344 repo->can_update_info_refs = 0;
345 release_request(request);
349 static void start_put(struct transfer_request *request)
351 char *hex = sha1_to_hex(request->obj->sha1);
352 struct active_request_slot *slot;
353 struct strbuf buf = STRBUF_INIT;
354 enum object_type type;
362 unpacked = read_sha1_file(request->obj->sha1, &type, &len);
363 hdrlen = sprintf(hdr, "%s %lu", typename(type), len) + 1;
366 memset(&stream, 0, sizeof(stream));
367 deflateInit(&stream, zlib_compression_level);
368 size = deflateBound(&stream, len + hdrlen);
369 strbuf_init(&request->buffer.buf, size);
370 request->buffer.posn = 0;
373 stream.next_out = (unsigned char *)request->buffer.buf.buf;
374 stream.avail_out = size;
377 stream.next_in = (void *)hdr;
378 stream.avail_in = hdrlen;
379 while (deflate(&stream, 0) == Z_OK)
382 /* Then the data itself.. */
383 stream.next_in = unpacked;
384 stream.avail_in = len;
385 while (deflate(&stream, Z_FINISH) == Z_OK)
390 request->buffer.buf.len = stream.total_out;
392 strbuf_addstr(&buf, "Destination: ");
393 append_remote_object_url(&buf, repo->url, hex, 0);
394 request->dest = strbuf_detach(&buf, NULL);
396 append_remote_object_url(&buf, repo->url, hex, 0);
397 strbuf_add(&buf, request->lock->tmpfile_suffix, 41);
398 request->url = strbuf_detach(&buf, NULL);
400 slot = get_active_slot();
401 slot->callback_func = process_response;
402 slot->callback_data = request;
403 curl_easy_setopt(slot->curl, CURLOPT_INFILE, &request->buffer);
404 curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, request->buffer.buf.len);
405 curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
406 #ifndef NO_CURL_IOCTL
407 curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
408 curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &request->buffer);
410 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
411 curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0);
412 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT);
413 curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
414 curl_easy_setopt(slot->curl, CURLOPT_PUT, 1);
415 curl_easy_setopt(slot->curl, CURLOPT_URL, request->url);
417 if (start_active_slot(slot)) {
418 request->slot = slot;
419 request->state = RUN_PUT;
421 request->state = ABORTED;
427 static void start_move(struct transfer_request *request)
429 struct active_request_slot *slot;
430 struct curl_slist *dav_headers = NULL;
432 slot = get_active_slot();
433 slot->callback_func = process_response;
434 slot->callback_data = request;
435 curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */
436 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MOVE);
437 dav_headers = curl_slist_append(dav_headers, request->dest);
438 dav_headers = curl_slist_append(dav_headers, "Overwrite: T");
439 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
440 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
441 curl_easy_setopt(slot->curl, CURLOPT_URL, request->url);
443 if (start_active_slot(slot)) {
444 request->slot = slot;
445 request->state = RUN_MOVE;
447 request->state = ABORTED;
453 static int refresh_lock(struct remote_lock *lock)
455 struct active_request_slot *slot;
456 struct slot_results results;
457 struct curl_slist *dav_headers;
460 lock->refreshing = 1;
462 dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF | DAV_HEADER_TIMEOUT);
464 slot = get_active_slot();
465 slot->results = &results;
466 curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
467 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
468 curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url);
469 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK);
470 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
472 if (start_active_slot(slot)) {
473 run_active_slot(slot);
474 if (results.curl_result != CURLE_OK) {
475 fprintf(stderr, "LOCK HTTP error %ld\n",
478 lock->start_time = time(NULL);
483 lock->refreshing = 0;
484 curl_slist_free_all(dav_headers);
489 static void check_locks(void)
491 struct remote_lock *lock = repo->locks;
492 time_t current_time = time(NULL);
496 time_remaining = lock->start_time + lock->timeout -
498 if (!lock->refreshing && time_remaining < LOCK_REFRESH) {
499 if (!refresh_lock(lock)) {
501 "Unable to refresh lock for %s\n",
511 static void release_request(struct transfer_request *request)
513 struct transfer_request *entry = request_queue_head;
515 if (request == request_queue_head) {
516 request_queue_head = request->next;
518 while (entry->next != NULL && entry->next != request)
520 if (entry->next == request)
521 entry->next = entry->next->next;
528 static void finish_request(struct transfer_request *request)
530 struct http_pack_request *preq;
531 struct http_object_request *obj_req;
533 request->curl_result = request->slot->curl_result;
534 request->http_code = request->slot->http_code;
535 request->slot = NULL;
537 /* Keep locks active */
540 if (request->headers != NULL)
541 curl_slist_free_all(request->headers);
543 /* URL is reused for MOVE after PUT */
544 if (request->state != RUN_PUT) {
549 if (request->state == RUN_MKCOL) {
550 if (request->curl_result == CURLE_OK ||
551 request->http_code == 405) {
552 remote_dir_exists[request->obj->sha1[0]] = 1;
555 fprintf(stderr, "MKCOL %s failed, aborting (%d/%ld)\n",
556 sha1_to_hex(request->obj->sha1),
557 request->curl_result, request->http_code);
558 request->state = ABORTED;
561 } else if (request->state == RUN_PUT) {
562 if (request->curl_result == CURLE_OK) {
565 fprintf(stderr, "PUT %s failed, aborting (%d/%ld)\n",
566 sha1_to_hex(request->obj->sha1),
567 request->curl_result, request->http_code);
568 request->state = ABORTED;
571 } else if (request->state == RUN_MOVE) {
572 if (request->curl_result == CURLE_OK) {
574 fprintf(stderr, " sent %s\n",
575 sha1_to_hex(request->obj->sha1));
576 request->obj->flags |= REMOTE;
577 release_request(request);
579 fprintf(stderr, "MOVE %s failed, aborting (%d/%ld)\n",
580 sha1_to_hex(request->obj->sha1),
581 request->curl_result, request->http_code);
582 request->state = ABORTED;
585 } else if (request->state == RUN_FETCH_LOOSE) {
586 obj_req = (struct http_object_request *)request->userData;
588 if (finish_http_object_request(obj_req) == 0)
589 if (obj_req->rename == 0)
590 request->obj->flags |= (LOCAL | REMOTE);
592 /* Try fetching packed if necessary */
593 if (request->obj->flags & LOCAL) {
594 release_http_object_request(obj_req);
595 release_request(request);
597 start_fetch_packed(request);
599 } else if (request->state == RUN_FETCH_PACKED) {
601 if (request->curl_result != CURLE_OK) {
602 fprintf(stderr, "Unable to get pack file %s\n%s",
603 request->url, curl_errorstr);
605 preq = (struct http_pack_request *)request->userData;
608 if (finish_http_pack_request(preq) == 0)
610 release_http_pack_request(preq);
614 repo->can_update_info_refs = 0;
615 release_request(request);
619 #ifdef USE_CURL_MULTI
620 static int is_running_queue;
621 static int fill_active_slot(void *unused)
623 struct transfer_request *request;
625 if (aborted || !is_running_queue)
628 for (request = request_queue_head; request; request = request->next) {
629 if (request->state == NEED_FETCH) {
630 start_fetch_loose(request);
632 } else if (pushing && request->state == NEED_PUSH) {
633 if (remote_dir_exists[request->obj->sha1[0]] == 1) {
636 start_mkcol(request);
645 static void get_remote_object_list(unsigned char parent);
647 static void add_fetch_request(struct object *obj)
649 struct transfer_request *request;
654 * Don't fetch the object if it's known to exist locally
655 * or is already in the request queue
657 if (remote_dir_exists[obj->sha1[0]] == -1)
658 get_remote_object_list(obj->sha1[0]);
659 if (obj->flags & (LOCAL | FETCHING))
662 obj->flags |= FETCHING;
663 request = xmalloc(sizeof(*request));
666 request->lock = NULL;
667 request->headers = NULL;
668 request->state = NEED_FETCH;
669 request->next = request_queue_head;
670 request_queue_head = request;
672 #ifdef USE_CURL_MULTI
678 static int add_send_request(struct object *obj, struct remote_lock *lock)
680 struct transfer_request *request = request_queue_head;
681 struct packed_git *target;
683 /* Keep locks active */
687 * Don't push the object if it's known to exist on the remote
688 * or is already in the request queue
690 if (remote_dir_exists[obj->sha1[0]] == -1)
691 get_remote_object_list(obj->sha1[0]);
692 if (obj->flags & (REMOTE | PUSHING))
694 target = find_sha1_pack(obj->sha1, repo->packs);
696 obj->flags |= REMOTE;
700 obj->flags |= PUSHING;
701 request = xmalloc(sizeof(*request));
704 request->lock = lock;
705 request->headers = NULL;
706 request->state = NEED_PUSH;
707 request->next = request_queue_head;
708 request_queue_head = request;
710 #ifdef USE_CURL_MULTI
718 static int fetch_indices(void)
723 fprintf(stderr, "Getting pack list\n");
725 switch (http_get_info_packs(repo->url, &repo->packs)) {
727 case HTTP_MISSING_TARGET:
737 static void one_remote_object(const char *hex)
739 unsigned char sha1[20];
742 if (get_sha1_hex(hex, sha1) != 0)
745 obj = lookup_object(sha1);
747 obj = parse_object(sha1);
749 /* Ignore remote objects that don't exist locally */
753 obj->flags |= REMOTE;
754 if (!object_list_contains(objects, obj))
755 object_list_insert(obj, &objects);
758 static void handle_lockprop_ctx(struct xml_ctx *ctx, int tag_closed)
760 int *lock_flags = (int *)ctx->userData;
763 if (!strcmp(ctx->name, DAV_CTX_LOCKENTRY)) {
764 if ((*lock_flags & DAV_PROP_LOCKEX) &&
765 (*lock_flags & DAV_PROP_LOCKWR)) {
766 *lock_flags |= DAV_LOCK_OK;
768 *lock_flags &= DAV_LOCK_OK;
769 } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_WRITE)) {
770 *lock_flags |= DAV_PROP_LOCKWR;
771 } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_EXCLUSIVE)) {
772 *lock_flags |= DAV_PROP_LOCKEX;
777 static void handle_new_lock_ctx(struct xml_ctx *ctx, int tag_closed)
779 struct remote_lock *lock = (struct remote_lock *)ctx->userData;
781 unsigned char lock_token_sha1[20];
783 if (tag_closed && ctx->cdata) {
784 if (!strcmp(ctx->name, DAV_ACTIVELOCK_OWNER)) {
785 lock->owner = xmalloc(strlen(ctx->cdata) + 1);
786 strcpy(lock->owner, ctx->cdata);
787 } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TIMEOUT)) {
788 if (!prefixcmp(ctx->cdata, "Second-"))
790 strtol(ctx->cdata + 7, NULL, 10);
791 } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TOKEN)) {
792 lock->token = xmalloc(strlen(ctx->cdata) + 1);
793 strcpy(lock->token, ctx->cdata);
795 git_SHA1_Init(&sha_ctx);
796 git_SHA1_Update(&sha_ctx, lock->token, strlen(lock->token));
797 git_SHA1_Final(lock_token_sha1, &sha_ctx);
799 lock->tmpfile_suffix[0] = '_';
800 memcpy(lock->tmpfile_suffix + 1, sha1_to_hex(lock_token_sha1), 40);
805 static void one_remote_ref(char *refname);
808 xml_start_tag(void *userData, const char *name, const char **atts)
810 struct xml_ctx *ctx = (struct xml_ctx *)userData;
811 const char *c = strchr(name, ':');
819 new_len = strlen(ctx->name) + strlen(c) + 2;
821 if (new_len > ctx->len) {
822 ctx->name = xrealloc(ctx->name, new_len);
825 strcat(ctx->name, ".");
826 strcat(ctx->name, c);
831 ctx->userFunc(ctx, 0);
835 xml_end_tag(void *userData, const char *name)
837 struct xml_ctx *ctx = (struct xml_ctx *)userData;
838 const char *c = strchr(name, ':');
841 ctx->userFunc(ctx, 1);
848 ep = ctx->name + strlen(ctx->name) - strlen(c) - 1;
853 xml_cdata(void *userData, const XML_Char *s, int len)
855 struct xml_ctx *ctx = (struct xml_ctx *)userData;
857 ctx->cdata = xmemdupz(s, len);
860 static struct remote_lock *lock_remote(const char *path, long timeout)
862 struct active_request_slot *slot;
863 struct slot_results results;
864 struct buffer out_buffer = { STRBUF_INIT, 0 };
865 struct strbuf in_buffer = STRBUF_INIT;
868 char timeout_header[25];
869 struct remote_lock *lock = NULL;
870 struct curl_slist *dav_headers = NULL;
874 url = xmalloc(strlen(repo->url) + strlen(path) + 1);
875 sprintf(url, "%s%s", repo->url, path);
877 /* Make sure leading directories exist for the remote ref */
878 ep = strchr(url + strlen(repo->url) + 1, '/');
880 char saved_character = ep[1];
882 slot = get_active_slot();
883 slot->results = &results;
884 curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
885 curl_easy_setopt(slot->curl, CURLOPT_URL, url);
886 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL);
887 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
888 if (start_active_slot(slot)) {
889 run_active_slot(slot);
890 if (results.curl_result != CURLE_OK &&
891 results.http_code != 405) {
893 "Unable to create branch path %s\n",
899 fprintf(stderr, "Unable to start MKCOL request\n");
903 ep[1] = saved_character;
904 ep = strchr(ep + 1, '/');
907 escaped = xml_entities(git_default_email);
908 strbuf_addf(&out_buffer.buf, LOCK_REQUEST, escaped);
911 sprintf(timeout_header, "Timeout: Second-%ld", timeout);
912 dav_headers = curl_slist_append(dav_headers, timeout_header);
913 dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml");
915 slot = get_active_slot();
916 slot->results = &results;
917 curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer);
918 curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len);
919 curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
920 #ifndef NO_CURL_IOCTL
921 curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
922 curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &out_buffer);
924 curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
925 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
926 curl_easy_setopt(slot->curl, CURLOPT_URL, url);
927 curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
928 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK);
929 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
931 lock = xcalloc(1, sizeof(*lock));
934 if (start_active_slot(slot)) {
935 run_active_slot(slot);
936 if (results.curl_result == CURLE_OK) {
937 XML_Parser parser = XML_ParserCreate(NULL);
938 enum XML_Status result;
939 ctx.name = xcalloc(10, 1);
942 ctx.userFunc = handle_new_lock_ctx;
944 XML_SetUserData(parser, &ctx);
945 XML_SetElementHandler(parser, xml_start_tag,
947 XML_SetCharacterDataHandler(parser, xml_cdata);
948 result = XML_Parse(parser, in_buffer.buf,
951 if (result != XML_STATUS_OK) {
952 fprintf(stderr, "XML error: %s\n",
954 XML_GetErrorCode(parser)));
957 XML_ParserFree(parser);
960 fprintf(stderr, "Unable to start LOCK request\n");
963 curl_slist_free_all(dav_headers);
964 strbuf_release(&out_buffer.buf);
965 strbuf_release(&in_buffer);
967 if (lock->token == NULL || lock->timeout <= 0) {
975 lock->start_time = time(NULL);
976 lock->next = repo->locks;
983 static int unlock_remote(struct remote_lock *lock)
985 struct active_request_slot *slot;
986 struct slot_results results;
987 struct remote_lock *prev = repo->locks;
988 struct curl_slist *dav_headers;
991 dav_headers = get_dav_token_headers(lock, DAV_HEADER_LOCK);
993 slot = get_active_slot();
994 slot->results = &results;
995 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
996 curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url);
997 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_UNLOCK);
998 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
1000 if (start_active_slot(slot)) {
1001 run_active_slot(slot);
1002 if (results.curl_result == CURLE_OK)
1005 fprintf(stderr, "UNLOCK HTTP error %ld\n",
1008 fprintf(stderr, "Unable to start UNLOCK request\n");
1011 curl_slist_free_all(dav_headers);
1013 if (repo->locks == lock) {
1014 repo->locks = lock->next;
1016 while (prev && prev->next != lock)
1019 prev->next = prev->next->next;
1030 static void remove_locks(void)
1032 struct remote_lock *lock = repo->locks;
1034 fprintf(stderr, "Removing remote locks...\n");
1036 struct remote_lock *next = lock->next;
1037 unlock_remote(lock);
1042 static void remove_locks_on_signal(int signo)
1045 sigchain_pop(signo);
1049 static void remote_ls(const char *path, int flags,
1050 void (*userFunc)(struct remote_ls_ctx *ls),
1053 static void process_ls_object(struct remote_ls_ctx *ls)
1055 unsigned int *parent = (unsigned int *)ls->userData;
1056 char *path = ls->dentry_name;
1059 if (!strcmp(ls->path, ls->dentry_name) && (ls->flags & IS_DIR)) {
1060 remote_dir_exists[*parent] = 1;
1064 if (strlen(path) != 49)
1067 obj_hex = xmalloc(strlen(path));
1068 /* NB: path is not null-terminated, can not use strlcpy here */
1069 memcpy(obj_hex, path, 2);
1070 strcpy(obj_hex + 2, path + 3);
1071 one_remote_object(obj_hex);
1075 static void process_ls_ref(struct remote_ls_ctx *ls)
1077 if (!strcmp(ls->path, ls->dentry_name) && (ls->dentry_flags & IS_DIR)) {
1078 fprintf(stderr, " %s\n", ls->dentry_name);
1082 if (!(ls->dentry_flags & IS_DIR))
1083 one_remote_ref(ls->dentry_name);
1086 static void handle_remote_ls_ctx(struct xml_ctx *ctx, int tag_closed)
1088 struct remote_ls_ctx *ls = (struct remote_ls_ctx *)ctx->userData;
1091 if (!strcmp(ctx->name, DAV_PROPFIND_RESP) && ls->dentry_name) {
1092 if (ls->dentry_flags & IS_DIR) {
1093 if (ls->flags & PROCESS_DIRS) {
1096 if (strcmp(ls->dentry_name, ls->path) &&
1097 ls->flags & RECURSIVE) {
1098 remote_ls(ls->dentry_name,
1103 } else if (ls->flags & PROCESS_FILES) {
1106 } else if (!strcmp(ctx->name, DAV_PROPFIND_NAME) && ctx->cdata) {
1107 char *path = ctx->cdata;
1108 if (*ctx->cdata == 'h') {
1109 path = strstr(path, "//");
1111 path = strchr(path+2, '/');
1115 path += repo->path_len;
1116 ls->dentry_name = xstrdup(path);
1118 } else if (!strcmp(ctx->name, DAV_PROPFIND_COLLECTION)) {
1119 ls->dentry_flags |= IS_DIR;
1121 } else if (!strcmp(ctx->name, DAV_PROPFIND_RESP)) {
1122 free(ls->dentry_name);
1123 ls->dentry_name = NULL;
1124 ls->dentry_flags = 0;
1129 * NEEDSWORK: remote_ls() ignores info/refs on the remote side. But it
1130 * should _only_ heed the information from that file, instead of trying to
1131 * determine the refs from the remote file system (badly: it does not even
1132 * know about packed-refs).
1134 static void remote_ls(const char *path, int flags,
1135 void (*userFunc)(struct remote_ls_ctx *ls),
1138 char *url = xmalloc(strlen(repo->url) + strlen(path) + 1);
1139 struct active_request_slot *slot;
1140 struct slot_results results;
1141 struct strbuf in_buffer = STRBUF_INIT;
1142 struct buffer out_buffer = { STRBUF_INIT, 0 };
1143 struct curl_slist *dav_headers = NULL;
1145 struct remote_ls_ctx ls;
1148 ls.path = xstrdup(path);
1149 ls.dentry_name = NULL;
1150 ls.dentry_flags = 0;
1151 ls.userData = userData;
1152 ls.userFunc = userFunc;
1154 sprintf(url, "%s%s", repo->url, path);
1156 strbuf_addf(&out_buffer.buf, PROPFIND_ALL_REQUEST);
1158 dav_headers = curl_slist_append(dav_headers, "Depth: 1");
1159 dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml");
1161 slot = get_active_slot();
1162 slot->results = &results;
1163 curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer);
1164 curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len);
1165 curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
1166 #ifndef NO_CURL_IOCTL
1167 curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
1168 curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &out_buffer);
1170 curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
1171 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
1172 curl_easy_setopt(slot->curl, CURLOPT_URL, url);
1173 curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
1174 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND);
1175 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
1177 if (start_active_slot(slot)) {
1178 run_active_slot(slot);
1179 if (results.curl_result == CURLE_OK) {
1180 XML_Parser parser = XML_ParserCreate(NULL);
1181 enum XML_Status result;
1182 ctx.name = xcalloc(10, 1);
1185 ctx.userFunc = handle_remote_ls_ctx;
1187 XML_SetUserData(parser, &ctx);
1188 XML_SetElementHandler(parser, xml_start_tag,
1190 XML_SetCharacterDataHandler(parser, xml_cdata);
1191 result = XML_Parse(parser, in_buffer.buf,
1195 if (result != XML_STATUS_OK) {
1196 fprintf(stderr, "XML error: %s\n",
1198 XML_GetErrorCode(parser)));
1200 XML_ParserFree(parser);
1203 fprintf(stderr, "Unable to start PROPFIND request\n");
1208 strbuf_release(&out_buffer.buf);
1209 strbuf_release(&in_buffer);
1210 curl_slist_free_all(dav_headers);
1213 static void get_remote_object_list(unsigned char parent)
1215 char path[] = "objects/XX/";
1216 static const char hex[] = "0123456789abcdef";
1217 unsigned int val = parent;
1219 path[8] = hex[val >> 4];
1220 path[9] = hex[val & 0xf];
1221 remote_dir_exists[val] = 0;
1222 remote_ls(path, (PROCESS_FILES | PROCESS_DIRS),
1223 process_ls_object, &val);
1226 static int locking_available(void)
1228 struct active_request_slot *slot;
1229 struct slot_results results;
1230 struct strbuf in_buffer = STRBUF_INIT;
1231 struct buffer out_buffer = { STRBUF_INIT, 0 };
1232 struct curl_slist *dav_headers = NULL;
1237 escaped = xml_entities(repo->url);
1238 strbuf_addf(&out_buffer.buf, PROPFIND_SUPPORTEDLOCK_REQUEST, escaped);
1241 dav_headers = curl_slist_append(dav_headers, "Depth: 0");
1242 dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml");
1244 slot = get_active_slot();
1245 slot->results = &results;
1246 curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer);
1247 curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len);
1248 curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
1249 #ifndef NO_CURL_IOCTL
1250 curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
1251 curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &out_buffer);
1253 curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
1254 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
1255 curl_easy_setopt(slot->curl, CURLOPT_URL, repo->url);
1256 curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
1257 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND);
1258 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
1260 if (start_active_slot(slot)) {
1261 run_active_slot(slot);
1262 if (results.curl_result == CURLE_OK) {
1263 XML_Parser parser = XML_ParserCreate(NULL);
1264 enum XML_Status result;
1265 ctx.name = xcalloc(10, 1);
1268 ctx.userFunc = handle_lockprop_ctx;
1269 ctx.userData = &lock_flags;
1270 XML_SetUserData(parser, &ctx);
1271 XML_SetElementHandler(parser, xml_start_tag,
1273 result = XML_Parse(parser, in_buffer.buf,
1277 if (result != XML_STATUS_OK) {
1278 fprintf(stderr, "XML error: %s\n",
1280 XML_GetErrorCode(parser)));
1283 XML_ParserFree(parser);
1285 error("no DAV locking support on %s",
1289 error("Cannot access URL %s, return code %d",
1290 repo->url, results.curl_result);
1294 error("Unable to start PROPFIND request on %s", repo->url);
1297 strbuf_release(&out_buffer.buf);
1298 strbuf_release(&in_buffer);
1299 curl_slist_free_all(dav_headers);
1304 static struct object_list **add_one_object(struct object *obj, struct object_list **p)
1306 struct object_list *entry = xmalloc(sizeof(struct object_list));
1310 return &entry->next;
1313 static struct object_list **process_blob(struct blob *blob,
1314 struct object_list **p,
1315 struct name_path *path,
1318 struct object *obj = &blob->object;
1320 obj->flags |= LOCAL;
1322 if (obj->flags & (UNINTERESTING | SEEN))
1326 return add_one_object(obj, p);
1329 static struct object_list **process_tree(struct tree *tree,
1330 struct object_list **p,
1331 struct name_path *path,
1334 struct object *obj = &tree->object;
1335 struct tree_desc desc;
1336 struct name_entry entry;
1337 struct name_path me;
1339 obj->flags |= LOCAL;
1341 if (obj->flags & (UNINTERESTING | SEEN))
1343 if (parse_tree(tree) < 0)
1344 die("bad tree object %s", sha1_to_hex(obj->sha1));
1347 name = xstrdup(name);
1348 p = add_one_object(obj, p);
1351 me.elem_len = strlen(name);
1353 init_tree_desc(&desc, tree->buffer, tree->size);
1355 while (tree_entry(&desc, &entry))
1356 switch (object_type(entry.mode)) {
1358 p = process_tree(lookup_tree(entry.sha1), p, &me, name);
1361 p = process_blob(lookup_blob(entry.sha1), p, &me, name);
1364 /* Subproject commit - not in this repository */
1369 tree->buffer = NULL;
1373 static int get_delta(struct rev_info *revs, struct remote_lock *lock)
1376 struct commit *commit;
1377 struct object_list **p = &objects;
1380 while ((commit = get_revision(revs)) != NULL) {
1381 p = process_tree(commit->tree, p, NULL, "");
1382 commit->object.flags |= LOCAL;
1383 if (!(commit->object.flags & UNINTERESTING))
1384 count += add_send_request(&commit->object, lock);
1387 for (i = 0; i < revs->pending.nr; i++) {
1388 struct object_array_entry *entry = revs->pending.objects + i;
1389 struct object *obj = entry->item;
1390 const char *name = entry->name;
1392 if (obj->flags & (UNINTERESTING | SEEN))
1394 if (obj->type == OBJ_TAG) {
1396 p = add_one_object(obj, p);
1399 if (obj->type == OBJ_TREE) {
1400 p = process_tree((struct tree *)obj, p, NULL, name);
1403 if (obj->type == OBJ_BLOB) {
1404 p = process_blob((struct blob *)obj, p, NULL, name);
1407 die("unknown pending object %s (%s)", sha1_to_hex(obj->sha1), name);
1411 if (!(objects->item->flags & UNINTERESTING))
1412 count += add_send_request(objects->item, lock);
1413 objects = objects->next;
1419 static int update_remote(unsigned char *sha1, struct remote_lock *lock)
1421 struct active_request_slot *slot;
1422 struct slot_results results;
1423 struct buffer out_buffer = { STRBUF_INIT, 0 };
1424 struct curl_slist *dav_headers;
1426 dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF);
1428 strbuf_addf(&out_buffer.buf, "%s\n", sha1_to_hex(sha1));
1430 slot = get_active_slot();
1431 slot->results = &results;
1432 curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer);
1433 curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len);
1434 curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
1435 #ifndef NO_CURL_IOCTL
1436 curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
1437 curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &out_buffer);
1439 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
1440 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT);
1441 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
1442 curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
1443 curl_easy_setopt(slot->curl, CURLOPT_PUT, 1);
1444 curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url);
1446 if (start_active_slot(slot)) {
1447 run_active_slot(slot);
1448 strbuf_release(&out_buffer.buf);
1449 if (results.curl_result != CURLE_OK) {
1451 "PUT error: curl result=%d, HTTP code=%ld\n",
1452 results.curl_result, results.http_code);
1453 /* We should attempt recovery? */
1457 strbuf_release(&out_buffer.buf);
1458 fprintf(stderr, "Unable to start PUT request\n");
1465 static struct ref *remote_refs;
1467 static void one_remote_ref(char *refname)
1472 ref = alloc_ref(refname);
1474 if (http_fetch_ref(repo->url, ref) != 0) {
1476 "Unable to fetch ref %s from %s\n",
1477 refname, repo->url);
1483 * Fetch a copy of the object if it doesn't exist locally - it
1484 * may be required for updating server info later.
1486 if (repo->can_update_info_refs && !has_sha1_file(ref->old_sha1)) {
1487 obj = lookup_unknown_object(ref->old_sha1);
1489 fprintf(stderr, " fetch %s for %s\n",
1490 sha1_to_hex(ref->old_sha1), refname);
1491 add_fetch_request(obj);
1495 ref->next = remote_refs;
1499 static void get_dav_remote_heads(void)
1501 remote_ls("refs/", (PROCESS_FILES | PROCESS_DIRS | RECURSIVE), process_ls_ref, NULL);
1504 static void add_remote_info_ref(struct remote_ls_ctx *ls)
1506 struct strbuf *buf = (struct strbuf *)ls->userData;
1512 ref = alloc_ref(ls->dentry_name);
1514 if (http_fetch_ref(repo->url, ref) != 0) {
1516 "Unable to fetch ref %s from %s\n",
1517 ls->dentry_name, repo->url);
1523 o = parse_object(ref->old_sha1);
1526 "Unable to parse object %s for remote ref %s\n",
1527 sha1_to_hex(ref->old_sha1), ls->dentry_name);
1533 len = strlen(ls->dentry_name) + 42;
1534 ref_info = xcalloc(len + 1, 1);
1535 sprintf(ref_info, "%s %s\n",
1536 sha1_to_hex(ref->old_sha1), ls->dentry_name);
1537 fwrite_buffer(ref_info, 1, len, buf);
1540 if (o->type == OBJ_TAG) {
1541 o = deref_tag(o, ls->dentry_name, 0);
1543 len = strlen(ls->dentry_name) + 45;
1544 ref_info = xcalloc(len + 1, 1);
1545 sprintf(ref_info, "%s %s^{}\n",
1546 sha1_to_hex(o->sha1), ls->dentry_name);
1547 fwrite_buffer(ref_info, 1, len, buf);
1554 static void update_remote_info_refs(struct remote_lock *lock)
1556 struct buffer buffer = { STRBUF_INIT, 0 };
1557 struct active_request_slot *slot;
1558 struct slot_results results;
1559 struct curl_slist *dav_headers;
1561 remote_ls("refs/", (PROCESS_FILES | RECURSIVE),
1562 add_remote_info_ref, &buffer.buf);
1564 dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF);
1566 slot = get_active_slot();
1567 slot->results = &results;
1568 curl_easy_setopt(slot->curl, CURLOPT_INFILE, &buffer);
1569 curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, buffer.buf.len);
1570 curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
1571 #ifndef NO_CURL_IOCTL
1572 curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
1573 curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &buffer);
1575 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
1576 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT);
1577 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
1578 curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
1579 curl_easy_setopt(slot->curl, CURLOPT_PUT, 1);
1580 curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url);
1582 if (start_active_slot(slot)) {
1583 run_active_slot(slot);
1584 if (results.curl_result != CURLE_OK) {
1586 "PUT error: curl result=%d, HTTP code=%ld\n",
1587 results.curl_result, results.http_code);
1591 strbuf_release(&buffer.buf);
1594 static int remote_exists(const char *path)
1596 char *url = xmalloc(strlen(repo->url) + strlen(path) + 1);
1599 sprintf(url, "%s%s", repo->url, path);
1601 switch (http_get_strbuf(url, NULL, 0)) {
1605 case HTTP_MISSING_TARGET:
1609 http_error(url, HTTP_ERROR);
1617 static void fetch_symref(const char *path, char **symref, unsigned char *sha1)
1620 struct strbuf buffer = STRBUF_INIT;
1622 url = xmalloc(strlen(repo->url) + strlen(path) + 1);
1623 sprintf(url, "%s%s", repo->url, path);
1625 if (http_get_strbuf(url, &buffer, 0) != HTTP_OK)
1626 die("Couldn't get %s for remote symref\n%s", url,
1634 if (buffer.len == 0)
1637 /* If it's a symref, set the refname; otherwise try for a sha1 */
1638 if (!prefixcmp((char *)buffer.buf, "ref: ")) {
1639 *symref = xmemdupz((char *)buffer.buf + 5, buffer.len - 6);
1641 get_sha1_hex(buffer.buf, sha1);
1644 strbuf_release(&buffer);
1647 static int verify_merge_base(unsigned char *head_sha1, unsigned char *branch_sha1)
1649 struct commit *head = lookup_commit(head_sha1);
1650 struct commit *branch = lookup_commit(branch_sha1);
1651 struct commit_list *merge_bases = get_merge_bases(head, branch, 1);
1653 return (merge_bases && !merge_bases->next && merge_bases->item == branch);
1656 static int delete_remote_branch(char *pattern, int force)
1658 struct ref *refs = remote_refs;
1659 struct ref *remote_ref = NULL;
1660 unsigned char head_sha1[20];
1661 char *symref = NULL;
1663 int patlen = strlen(pattern);
1665 struct active_request_slot *slot;
1666 struct slot_results results;
1669 /* Find the remote branch(es) matching the specified branch name */
1670 for (match = 0; refs; refs = refs->next) {
1671 char *name = refs->name;
1672 int namelen = strlen(name);
1673 if (namelen < patlen ||
1674 memcmp(name + namelen - patlen, pattern, patlen))
1676 if (namelen != patlen && name[namelen - patlen - 1] != '/')
1682 return error("No remote branch matches %s", pattern);
1684 return error("More than one remote branch matches %s",
1688 * Remote HEAD must be a symref (not exactly foolproof; a remote
1689 * symlink to a symref will look like a symref)
1691 fetch_symref("HEAD", &symref, head_sha1);
1693 return error("Remote HEAD is not a symref");
1695 /* Remote branch must not be the remote HEAD */
1696 for (i=0; symref && i<MAXDEPTH; i++) {
1697 if (!strcmp(remote_ref->name, symref))
1698 return error("Remote branch %s is the current HEAD",
1700 fetch_symref(symref, &symref, head_sha1);
1703 /* Run extra sanity checks if delete is not forced */
1705 /* Remote HEAD must resolve to a known object */
1707 return error("Remote HEAD symrefs too deep");
1708 if (is_null_sha1(head_sha1))
1709 return error("Unable to resolve remote HEAD");
1710 if (!has_sha1_file(head_sha1))
1711 return error("Remote HEAD resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", sha1_to_hex(head_sha1));
1713 /* Remote branch must resolve to a known object */
1714 if (is_null_sha1(remote_ref->old_sha1))
1715 return error("Unable to resolve remote branch %s",
1717 if (!has_sha1_file(remote_ref->old_sha1))
1718 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));
1720 /* Remote branch must be an ancestor of remote HEAD */
1721 if (!verify_merge_base(head_sha1, remote_ref->old_sha1)) {
1722 return error("The branch '%s' is not an ancestor "
1723 "of your current HEAD.\n"
1724 "If you are sure you want to delete it,"
1725 " run:\n\t'git http-push -D %s %s'",
1726 remote_ref->name, repo->url, pattern);
1730 /* Send delete request */
1731 fprintf(stderr, "Removing remote branch '%s'\n", remote_ref->name);
1734 url = xmalloc(strlen(repo->url) + strlen(remote_ref->name) + 1);
1735 sprintf(url, "%s%s", repo->url, remote_ref->name);
1736 slot = get_active_slot();
1737 slot->results = &results;
1738 curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
1739 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
1740 curl_easy_setopt(slot->curl, CURLOPT_URL, url);
1741 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_DELETE);
1742 if (start_active_slot(slot)) {
1743 run_active_slot(slot);
1745 if (results.curl_result != CURLE_OK)
1746 return error("DELETE request failed (%d/%ld)\n",
1747 results.curl_result, results.http_code);
1750 return error("Unable to start DELETE request");
1756 static void run_request_queue(void)
1758 #ifdef USE_CURL_MULTI
1759 is_running_queue = 1;
1760 fill_active_slots();
1761 add_fill_function(NULL, fill_active_slot);
1764 finish_all_active_slots();
1765 #ifdef USE_CURL_MULTI
1766 fill_active_slots();
1768 } while (request_queue_head && !aborted);
1770 #ifdef USE_CURL_MULTI
1771 is_running_queue = 0;
1775 int main(int argc, char **argv)
1777 struct transfer_request *request;
1778 struct transfer_request *next_request;
1780 char **refspec = NULL;
1781 struct remote_lock *ref_lock = NULL;
1782 struct remote_lock *info_ref_lock = NULL;
1783 struct rev_info revs;
1784 int delete_branch = 0;
1785 int force_delete = 0;
1786 int objects_to_send;
1790 struct ref *ref, *local_refs;
1791 struct remote *remote;
1792 char *rewritten_url = NULL;
1794 git_extract_argv0_path(argv[0]);
1796 repo = xcalloc(sizeof(*repo), 1);
1799 for (i = 1; i < argc; i++, argv++) {
1803 if (!strcmp(arg, "--all")) {
1804 push_all = MATCH_REFS_ALL;
1807 if (!strcmp(arg, "--force")) {
1811 if (!strcmp(arg, "--dry-run")) {
1815 if (!strcmp(arg, "--helper-status")) {
1819 if (!strcmp(arg, "--verbose")) {
1821 http_is_verbose = 1;
1824 if (!strcmp(arg, "-d")) {
1828 if (!strcmp(arg, "-D")) {
1833 if (!strcmp(arg, "-h"))
1834 usage(http_push_usage);
1837 char *path = strstr(arg, "//");
1839 repo->path_len = strlen(arg);
1841 repo->path = strchr(path+2, '/');
1843 repo->path_len = strlen(repo->path);
1848 nr_refspec = argc - i;
1852 #ifndef USE_CURL_MULTI
1853 die("git-push is not available for http/https repository when not compiled with USE_CURL_MULTI");
1857 usage(http_push_usage);
1859 if (delete_branch && nr_refspec != 1)
1860 die("You must specify only one branch name when deleting a remote branch");
1862 setup_git_directory();
1864 memset(remote_dir_exists, -1, 256);
1867 * Create a minimum remote by hand to give to http_init(),
1868 * primarily to allow it to look at the URL.
1870 remote = xcalloc(sizeof(*remote), 1);
1871 ALLOC_GROW(remote->url, remote->url_nr + 1, remote->url_alloc);
1872 remote->url[remote->url_nr++] = repo->url;
1875 if (repo->url && repo->url[strlen(repo->url)-1] != '/') {
1876 rewritten_url = xmalloc(strlen(repo->url)+2);
1877 strcpy(rewritten_url, repo->url);
1878 strcat(rewritten_url, "/");
1879 repo->path = rewritten_url + (repo->path - repo->url);
1881 repo->url = rewritten_url;
1884 #ifdef USE_CURL_MULTI
1885 is_running_queue = 0;
1888 /* Verify DAV compliance/lock support */
1889 if (!locking_available()) {
1894 sigchain_push_common(remove_locks_on_signal);
1896 /* Check whether the remote has server info files */
1897 repo->can_update_info_refs = 0;
1898 repo->has_info_refs = remote_exists("info/refs");
1899 repo->has_info_packs = remote_exists("objects/info/packs");
1900 if (repo->has_info_refs) {
1901 info_ref_lock = lock_remote("info/refs", LOCK_TIME);
1903 repo->can_update_info_refs = 1;
1905 error("cannot lock existing info/refs");
1910 if (repo->has_info_packs)
1913 /* Get a list of all local and remote heads to validate refspecs */
1914 local_refs = get_local_heads();
1915 fprintf(stderr, "Fetching remote heads...\n");
1916 get_dav_remote_heads();
1917 run_request_queue();
1919 /* Remove a remote branch if -d or -D was specified */
1920 if (delete_branch) {
1921 if (delete_remote_branch(refspec[0], force_delete) == -1) {
1922 fprintf(stderr, "Unable to delete remote branch %s\n",
1925 printf("error %s cannot remove\n", refspec[0]);
1931 if (match_refs(local_refs, &remote_refs,
1932 nr_refspec, (const char **) refspec, push_all)) {
1937 fprintf(stderr, "No refs in common and none specified; doing nothing.\n");
1939 printf("error null no match\n");
1945 for (ref = remote_refs; ref; ref = ref->next) {
1946 char old_hex[60], *new_hex;
1947 const char *commit_argv[5];
1949 char *new_sha1_hex, *old_sha1_hex;
1954 if (is_null_sha1(ref->peer_ref->new_sha1)) {
1955 if (delete_remote_branch(ref->name, 1) == -1) {
1956 error("Could not remove %s", ref->name);
1958 printf("error %s cannot remove\n", ref->name);
1961 else if (helper_status)
1962 printf("ok %s\n", ref->name);
1967 if (!hashcmp(ref->old_sha1, ref->peer_ref->new_sha1)) {
1968 if (push_verbosely || 1)
1969 fprintf(stderr, "'%s': up-to-date\n", ref->name);
1971 printf("ok %s up to date\n", ref->name);
1976 !is_null_sha1(ref->old_sha1) &&
1978 if (!has_sha1_file(ref->old_sha1) ||
1979 !ref_newer(ref->peer_ref->new_sha1,
1982 * We do not have the remote ref, or
1983 * we know that the remote ref is not
1984 * an ancestor of what we are trying to
1985 * push. Either way this can be losing
1986 * commits at the remote end and likely
1987 * we were not up to date to begin with.
1989 error("remote '%s' is not an ancestor of\n"
1991 "Maybe you are not up-to-date and "
1992 "need to pull first?",
1994 ref->peer_ref->name);
1996 printf("error %s non-fast forward\n", ref->name);
2001 hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
2003 strcpy(old_hex, sha1_to_hex(ref->old_sha1));
2004 new_hex = sha1_to_hex(ref->new_sha1);
2006 fprintf(stderr, "updating '%s'", ref->name);
2007 if (strcmp(ref->name, ref->peer_ref->name))
2008 fprintf(stderr, " using '%s'", ref->peer_ref->name);
2009 fprintf(stderr, "\n from %s\n to %s\n", old_hex, new_hex);
2012 printf("ok %s\n", ref->name);
2016 /* Lock remote branch ref */
2017 ref_lock = lock_remote(ref->name, LOCK_TIME);
2018 if (ref_lock == NULL) {
2019 fprintf(stderr, "Unable to lock remote branch %s\n",
2022 printf("error %s lock error\n", ref->name);
2027 /* Set up revision info for this refspec */
2029 new_sha1_hex = xstrdup(sha1_to_hex(ref->new_sha1));
2030 old_sha1_hex = NULL;
2031 commit_argv[1] = "--objects";
2032 commit_argv[2] = new_sha1_hex;
2033 if (!push_all && !is_null_sha1(ref->old_sha1)) {
2034 old_sha1_hex = xmalloc(42);
2035 sprintf(old_sha1_hex, "^%s",
2036 sha1_to_hex(ref->old_sha1));
2037 commit_argv[3] = old_sha1_hex;
2040 commit_argv[commit_argc] = NULL;
2041 init_revisions(&revs, setup_git_directory());
2042 setup_revisions(commit_argc, commit_argv, &revs, NULL);
2043 revs.edge_hint = 0; /* just in case */
2047 commit_argv[1] = NULL;
2050 /* Generate a list of objects that need to be pushed */
2052 if (prepare_revision_walk(&revs))
2053 die("revision walk setup failed");
2054 mark_edges_uninteresting(revs.commits, &revs, NULL);
2055 objects_to_send = get_delta(&revs, ref_lock);
2056 finish_all_active_slots();
2058 /* Push missing objects to remote, this would be a
2059 convenient time to pack them first if appropriate. */
2061 if (objects_to_send)
2062 fprintf(stderr, " sending %d objects\n",
2065 run_request_queue();
2067 /* Update the remote branch if all went well */
2068 if (aborted || !update_remote(ref->new_sha1, ref_lock))
2072 fprintf(stderr, " done\n");
2074 printf("%s %s\n", !rc ? "ok" : "error", ref->name);
2075 unlock_remote(ref_lock);
2079 /* Update remote server info if appropriate */
2080 if (repo->has_info_refs && new_refs) {
2081 if (info_ref_lock && repo->can_update_info_refs) {
2082 fprintf(stderr, "Updating remote server info\n");
2084 update_remote_info_refs(info_ref_lock);
2086 fprintf(stderr, "Unable to update server info\n");
2091 free(rewritten_url);
2093 unlock_remote(info_ref_lock);
2098 request = request_queue_head;
2099 while (request != NULL) {
2100 next_request = request->next;
2101 release_request(request);
2102 request = next_request;