1 #include "cache.h"
2 #include "commit.h"
3 #include "tag.h"
4 #include "blob.h"
5 #include "http.h"
6 #include "refs.h"
7 #include "diff.h"
8 #include "revision.h"
9 #include "exec_cmd.h"
10 #include "remote.h"
11 #include "list-objects.h"
12 #include "sigchain.h"
13 #include "gettext.h"
15 #include <expat.h>
17 static const char http_push_usage[] =
18 "git http-push [--all] [--dry-run] [--force] [--verbose] <remote> [<head>...]\n";
20 #ifndef XML_STATUS_OK
21 enum XML_Status {
22 XML_STATUS_OK = 1,
23 XML_STATUS_ERROR = 0
24 };
25 #define XML_STATUS_OK 1
26 #define XML_STATUS_ERROR 0
27 #endif
29 #define PREV_BUF_SIZE 4096
31 /* DAV methods */
32 #define DAV_LOCK "LOCK"
33 #define DAV_MKCOL "MKCOL"
34 #define DAV_MOVE "MOVE"
35 #define DAV_PROPFIND "PROPFIND"
36 #define DAV_PUT "PUT"
37 #define DAV_UNLOCK "UNLOCK"
38 #define DAV_DELETE "DELETE"
40 /* DAV lock flags */
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>"
61 #define LOCK_TIME 600
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 */
72 #define MAXDEPTH 5
74 static int pushing;
75 static int aborted;
76 static signed char remote_dir_exists[256];
78 static int push_verbosely;
79 static int push_all = MATCH_REFS_NONE;
80 static int force_all;
81 static int dry_run;
82 static int helper_status;
84 static struct object_list *objects;
86 struct repo
87 {
88 char *url;
89 char *path;
90 int path_len;
91 int has_info_refs;
92 int can_update_info_refs;
93 int has_info_packs;
94 struct packed_git *packs;
95 struct remote_lock *locks;
96 };
98 static struct repo *repo;
100 enum transfer_state {
101 NEED_FETCH,
102 RUN_FETCH_LOOSE,
103 RUN_FETCH_PACKED,
104 NEED_PUSH,
105 RUN_MKCOL,
106 RUN_PUT,
107 RUN_MOVE,
108 ABORTED,
109 COMPLETE
110 };
112 struct transfer_request
113 {
114 struct object *obj;
115 char *url;
116 char *dest;
117 struct remote_lock *lock;
118 struct curl_slist *headers;
119 struct buffer buffer;
120 enum transfer_state state;
121 CURLcode curl_result;
122 char errorstr[CURL_ERROR_SIZE];
123 long http_code;
124 void *userData;
125 struct active_request_slot *slot;
126 struct transfer_request *next;
127 };
129 static struct transfer_request *request_queue_head;
131 struct xml_ctx
132 {
133 char *name;
134 int len;
135 char *cdata;
136 void (*userFunc)(struct xml_ctx *ctx, int tag_closed);
137 void *userData;
138 };
140 struct remote_lock
141 {
142 char *url;
143 char *owner;
144 char *token;
145 char tmpfile_suffix[41];
146 time_t start_time;
147 long timeout;
148 int refreshing;
149 struct remote_lock *next;
150 };
152 /* Flags that control remote_ls processing */
153 #define PROCESS_FILES (1u << 0)
154 #define PROCESS_DIRS (1u << 1)
155 #define RECURSIVE (1u << 2)
157 /* Flags that remote_ls passes to callback functions */
158 #define IS_DIR (1u << 0)
160 struct remote_ls_ctx
161 {
162 char *path;
163 void (*userFunc)(struct remote_ls_ctx *ls);
164 void *userData;
165 int flags;
166 char *dentry_name;
167 int dentry_flags;
168 struct remote_ls_ctx *parent;
169 };
171 /* get_dav_token_headers options */
172 enum dav_header_flag {
173 DAV_HEADER_IF = (1u << 0),
174 DAV_HEADER_LOCK = (1u << 1),
175 DAV_HEADER_TIMEOUT = (1u << 2)
176 };
178 static char *xml_entities(char *s)
179 {
180 struct strbuf buf = STRBUF_INIT;
181 while (*s) {
182 size_t len = strcspn(s, "\"<>&");
183 strbuf_add(&buf, s, len);
184 s += len;
185 switch (*s) {
186 case '"':
187 strbuf_addstr(&buf, """);
188 break;
189 case '<':
190 strbuf_addstr(&buf, "<");
191 break;
192 case '>':
193 strbuf_addstr(&buf, ">");
194 break;
195 case '&':
196 strbuf_addstr(&buf, "&");
197 break;
198 case 0:
199 return strbuf_detach(&buf, NULL);
200 }
201 s++;
202 }
203 return strbuf_detach(&buf, NULL);
204 }
206 static struct curl_slist *get_dav_token_headers(struct remote_lock *lock, enum dav_header_flag options)
207 {
208 struct strbuf buf = STRBUF_INIT;
209 struct curl_slist *dav_headers = NULL;
211 if (options & DAV_HEADER_IF) {
212 strbuf_addf(&buf, "If: (<%s>)", lock->token);
213 dav_headers = curl_slist_append(dav_headers, buf.buf);
214 strbuf_reset(&buf);
215 }
216 if (options & DAV_HEADER_LOCK) {
217 strbuf_addf(&buf, "Lock-Token: <%s>", lock->token);
218 dav_headers = curl_slist_append(dav_headers, buf.buf);
219 strbuf_reset(&buf);
220 }
221 if (options & DAV_HEADER_TIMEOUT) {
222 strbuf_addf(&buf, "Timeout: Second-%ld", lock->timeout);
223 dav_headers = curl_slist_append(dav_headers, buf.buf);
224 strbuf_reset(&buf);
225 }
226 strbuf_release(&buf);
228 return dav_headers;
229 }
231 static void finish_request(struct transfer_request *request);
232 static void release_request(struct transfer_request *request);
234 static void process_response(void *callback_data)
235 {
236 struct transfer_request *request =
237 (struct transfer_request *)callback_data;
239 finish_request(request);
240 }
242 #ifdef USE_CURL_MULTI
244 static void start_fetch_loose(struct transfer_request *request)
245 {
246 struct active_request_slot *slot;
247 struct http_object_request *obj_req;
249 obj_req = new_http_object_request(repo->url, request->obj->sha1);
250 if (obj_req == NULL) {
251 request->state = ABORTED;
252 return;
253 }
255 slot = obj_req->slot;
256 slot->callback_func = process_response;
257 slot->callback_data = request;
258 request->slot = slot;
259 request->userData = obj_req;
261 /* Try to get the request started, abort the request on error */
262 request->state = RUN_FETCH_LOOSE;
263 if (!start_active_slot(slot)) {
264 fprintf(stderr, "Unable to start GET request\n");
265 repo->can_update_info_refs = 0;
266 release_http_object_request(obj_req);
267 release_request(request);
268 }
269 }
271 static void start_mkcol(struct transfer_request *request)
272 {
273 char *hex = sha1_to_hex(request->obj->sha1);
274 struct active_request_slot *slot;
276 request->url = get_remote_object_url(repo->url, hex, 1);
278 slot = get_active_slot();
279 slot->callback_func = process_response;
280 slot->callback_data = request;
281 curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */
282 curl_easy_setopt(slot->curl, CURLOPT_URL, request->url);
283 curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr);
284 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL);
285 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
287 if (start_active_slot(slot)) {
288 request->slot = slot;
289 request->state = RUN_MKCOL;
290 } else {
291 request->state = ABORTED;
292 free(request->url);
293 request->url = NULL;
294 }
295 }
296 #endif
298 static void start_fetch_packed(struct transfer_request *request)
299 {
300 struct packed_git *target;
302 struct transfer_request *check_request = request_queue_head;
303 struct http_pack_request *preq;
305 target = find_sha1_pack(request->obj->sha1, repo->packs);
306 if (!target) {
307 fprintf(stderr, "Unable to fetch %s, will not be able to update server info refs\n", sha1_to_hex(request->obj->sha1));
308 repo->can_update_info_refs = 0;
309 release_request(request);
310 return;
311 }
313 fprintf(stderr, "Fetching pack %s\n", sha1_to_hex(target->sha1));
314 fprintf(stderr, " which contains %s\n", sha1_to_hex(request->obj->sha1));
316 preq = new_http_pack_request(target, repo->url);
317 if (preq == NULL) {
318 release_http_pack_request(preq);
319 repo->can_update_info_refs = 0;
320 return;
321 }
322 preq->lst = &repo->packs;
324 /* Make sure there isn't another open request for this pack */
325 while (check_request) {
326 if (check_request->state == RUN_FETCH_PACKED &&
327 !strcmp(check_request->url, preq->url)) {
328 release_http_pack_request(preq);
329 release_request(request);
330 return;
331 }
332 check_request = check_request->next;
333 }
335 preq->slot->callback_func = process_response;
336 preq->slot->callback_data = request;
337 request->slot = preq->slot;
338 request->userData = preq;
340 /* Try to get the request started, abort the request on error */
341 request->state = RUN_FETCH_PACKED;
342 if (!start_active_slot(preq->slot)) {
343 fprintf(stderr, "Unable to start GET request\n");
344 release_http_pack_request(preq);
345 repo->can_update_info_refs = 0;
346 release_request(request);
347 }
348 }
350 static void start_put(struct transfer_request *request)
351 {
352 char *hex = sha1_to_hex(request->obj->sha1);
353 struct active_request_slot *slot;
354 struct strbuf buf = STRBUF_INIT;
355 enum object_type type;
356 char hdr[50];
357 void *unpacked;
358 unsigned long len;
359 int hdrlen;
360 ssize_t size;
361 z_stream stream;
363 unpacked = read_sha1_file(request->obj->sha1, &type, &len);
364 hdrlen = sprintf(hdr, "%s %lu", typename(type), len) + 1;
366 /* Set it up */
367 memset(&stream, 0, sizeof(stream));
368 deflateInit(&stream, zlib_compression_level);
369 size = deflateBound(&stream, len + hdrlen);
370 strbuf_init(&request->buffer.buf, size);
371 request->buffer.posn = 0;
373 /* Compress it */
374 stream.next_out = (unsigned char *)request->buffer.buf.buf;
375 stream.avail_out = size;
377 /* First header.. */
378 stream.next_in = (void *)hdr;
379 stream.avail_in = hdrlen;
380 while (deflate(&stream, 0) == Z_OK)
381 /* nothing */;
383 /* Then the data itself.. */
384 stream.next_in = unpacked;
385 stream.avail_in = len;
386 while (deflate(&stream, Z_FINISH) == Z_OK)
387 /* nothing */;
388 deflateEnd(&stream);
389 free(unpacked);
391 request->buffer.buf.len = stream.total_out;
393 strbuf_addstr(&buf, "Destination: ");
394 append_remote_object_url(&buf, repo->url, hex, 0);
395 request->dest = strbuf_detach(&buf, NULL);
397 append_remote_object_url(&buf, repo->url, hex, 0);
398 strbuf_add(&buf, request->lock->tmpfile_suffix, 41);
399 request->url = strbuf_detach(&buf, NULL);
401 slot = get_active_slot();
402 slot->callback_func = process_response;
403 slot->callback_data = request;
404 curl_easy_setopt(slot->curl, CURLOPT_INFILE, &request->buffer);
405 curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, request->buffer.buf.len);
406 curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
407 #ifndef NO_CURL_IOCTL
408 curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
409 curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &request->buffer);
410 #endif
411 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
412 curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0);
413 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT);
414 curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
415 curl_easy_setopt(slot->curl, CURLOPT_PUT, 1);
416 curl_easy_setopt(slot->curl, CURLOPT_URL, request->url);
418 if (start_active_slot(slot)) {
419 request->slot = slot;
420 request->state = RUN_PUT;
421 } else {
422 request->state = ABORTED;
423 free(request->url);
424 request->url = NULL;
425 }
426 }
428 static void start_move(struct transfer_request *request)
429 {
430 struct active_request_slot *slot;
431 struct curl_slist *dav_headers = NULL;
433 slot = get_active_slot();
434 slot->callback_func = process_response;
435 slot->callback_data = request;
436 curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */
437 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MOVE);
438 dav_headers = curl_slist_append(dav_headers, request->dest);
439 dav_headers = curl_slist_append(dav_headers, "Overwrite: T");
440 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
441 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
442 curl_easy_setopt(slot->curl, CURLOPT_URL, request->url);
444 if (start_active_slot(slot)) {
445 request->slot = slot;
446 request->state = RUN_MOVE;
447 } else {
448 request->state = ABORTED;
449 free(request->url);
450 request->url = NULL;
451 }
452 }
454 static int refresh_lock(struct remote_lock *lock)
455 {
456 struct active_request_slot *slot;
457 struct slot_results results;
458 struct curl_slist *dav_headers;
459 int rc = 0;
461 lock->refreshing = 1;
463 dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF | DAV_HEADER_TIMEOUT);
465 slot = get_active_slot();
466 slot->results = &results;
467 curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
468 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
469 curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url);
470 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK);
471 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
473 if (start_active_slot(slot)) {
474 run_active_slot(slot);
475 if (results.curl_result != CURLE_OK) {
476 fprintf(stderr, "LOCK HTTP error %ld\n",
477 results.http_code);
478 } else {
479 lock->start_time = time(NULL);
480 rc = 1;
481 }
482 }
484 lock->refreshing = 0;
485 curl_slist_free_all(dav_headers);
487 return rc;
488 }
490 static void check_locks(void)
491 {
492 struct remote_lock *lock = repo->locks;
493 time_t current_time = time(NULL);
494 int time_remaining;
496 while (lock) {
497 time_remaining = lock->start_time + lock->timeout -
498 current_time;
499 if (!lock->refreshing && time_remaining < LOCK_REFRESH) {
500 if (!refresh_lock(lock)) {
501 fprintf(stderr,
502 "Unable to refresh lock for %s\n",
503 lock->url);
504 aborted = 1;
505 return;
506 }
507 }
508 lock = lock->next;
509 }
510 }
512 static void release_request(struct transfer_request *request)
513 {
514 struct transfer_request *entry = request_queue_head;
516 if (request == request_queue_head) {
517 request_queue_head = request->next;
518 } else {
519 while (entry->next != NULL && entry->next != request)
520 entry = entry->next;
521 if (entry->next == request)
522 entry->next = entry->next->next;
523 }
525 free(request->url);
526 free(request);
527 }
529 static void finish_request(struct transfer_request *request)
530 {
531 struct http_pack_request *preq;
532 struct http_object_request *obj_req;
534 request->curl_result = request->slot->curl_result;
535 request->http_code = request->slot->http_code;
536 request->slot = NULL;
538 /* Keep locks active */
539 check_locks();
541 if (request->headers != NULL)
542 curl_slist_free_all(request->headers);
544 /* URL is reused for MOVE after PUT */
545 if (request->state != RUN_PUT) {
546 free(request->url);
547 request->url = NULL;
548 }
550 if (request->state == RUN_MKCOL) {
551 if (request->curl_result == CURLE_OK ||
552 request->http_code == 405) {
553 remote_dir_exists[request->obj->sha1[0]] = 1;
554 start_put(request);
555 } else {
556 fprintf(stderr, "MKCOL %s failed, aborting (%d/%ld)\n",
557 sha1_to_hex(request->obj->sha1),
558 request->curl_result, request->http_code);
559 request->state = ABORTED;
560 aborted = 1;
561 }
562 } else if (request->state == RUN_PUT) {
563 if (request->curl_result == CURLE_OK) {
564 start_move(request);
565 } else {
566 fprintf(stderr, "PUT %s failed, aborting (%d/%ld)\n",
567 sha1_to_hex(request->obj->sha1),
568 request->curl_result, request->http_code);
569 request->state = ABORTED;
570 aborted = 1;
571 }
572 } else if (request->state == RUN_MOVE) {
573 if (request->curl_result == CURLE_OK) {
574 if (push_verbosely)
575 fprintf(stderr, " sent %s\n",
576 sha1_to_hex(request->obj->sha1));
577 request->obj->flags |= REMOTE;
578 release_request(request);
579 } else {
580 fprintf(stderr, "MOVE %s failed, aborting (%d/%ld)\n",
581 sha1_to_hex(request->obj->sha1),
582 request->curl_result, request->http_code);
583 request->state = ABORTED;
584 aborted = 1;
585 }
586 } else if (request->state == RUN_FETCH_LOOSE) {
587 obj_req = (struct http_object_request *)request->userData;
589 if (finish_http_object_request(obj_req) == 0)
590 if (obj_req->rename == 0)
591 request->obj->flags |= (LOCAL | REMOTE);
593 /* Try fetching packed if necessary */
594 if (request->obj->flags & LOCAL) {
595 release_http_object_request(obj_req);
596 release_request(request);
597 } else
598 start_fetch_packed(request);
600 } else if (request->state == RUN_FETCH_PACKED) {
601 int fail = 1;
602 if (request->curl_result != CURLE_OK) {
603 fprintf(stderr, "Unable to get pack file %s\n%s",
604 request->url, curl_errorstr);
605 } else {
606 preq = (struct http_pack_request *)request->userData;
608 if (preq) {
609 if (finish_http_pack_request(preq) == 0)
610 fail = 0;
611 release_http_pack_request(preq);
612 }
613 }
614 if (fail)
615 repo->can_update_info_refs = 0;
616 release_request(request);
617 }
618 }
620 #ifdef USE_CURL_MULTI
621 static int is_running_queue;
622 static int fill_active_slot(void *unused)
623 {
624 struct transfer_request *request;
626 if (aborted || !is_running_queue)
627 return 0;
629 for (request = request_queue_head; request; request = request->next) {
630 if (request->state == NEED_FETCH) {
631 start_fetch_loose(request);
632 return 1;
633 } else if (pushing && request->state == NEED_PUSH) {
634 if (remote_dir_exists[request->obj->sha1[0]] == 1) {
635 start_put(request);
636 } else {
637 start_mkcol(request);
638 }
639 return 1;
640 }
641 }
642 return 0;
643 }
644 #endif
646 static void get_remote_object_list(unsigned char parent);
648 static void add_fetch_request(struct object *obj)
649 {
650 struct transfer_request *request;
652 check_locks();
654 /*
655 * Don't fetch the object if it's known to exist locally
656 * or is already in the request queue
657 */
658 if (remote_dir_exists[obj->sha1[0]] == -1)
659 get_remote_object_list(obj->sha1[0]);
660 if (obj->flags & (LOCAL | FETCHING))
661 return;
663 obj->flags |= FETCHING;
664 request = xmalloc(sizeof(*request));
665 request->obj = obj;
666 request->url = NULL;
667 request->lock = NULL;
668 request->headers = NULL;
669 request->state = NEED_FETCH;
670 request->next = request_queue_head;
671 request_queue_head = request;
673 #ifdef USE_CURL_MULTI
674 fill_active_slots();
675 step_active_slots();
676 #endif
677 }
679 static int add_send_request(struct object *obj, struct remote_lock *lock)
680 {
681 struct transfer_request *request = request_queue_head;
682 struct packed_git *target;
684 /* Keep locks active */
685 check_locks();
687 /*
688 * Don't push the object if it's known to exist on the remote
689 * or is already in the request queue
690 */
691 if (remote_dir_exists[obj->sha1[0]] == -1)
692 get_remote_object_list(obj->sha1[0]);
693 if (obj->flags & (REMOTE | PUSHING))
694 return 0;
695 target = find_sha1_pack(obj->sha1, repo->packs);
696 if (target) {
697 obj->flags |= REMOTE;
698 return 0;
699 }
701 obj->flags |= PUSHING;
702 request = xmalloc(sizeof(*request));
703 request->obj = obj;
704 request->url = NULL;
705 request->lock = lock;
706 request->headers = NULL;
707 request->state = NEED_PUSH;
708 request->next = request_queue_head;
709 request_queue_head = request;
711 #ifdef USE_CURL_MULTI
712 fill_active_slots();
713 step_active_slots();
714 #endif
716 return 1;
717 }
719 static int fetch_indices(void)
720 {
721 int ret;
723 if (push_verbosely)
724 fprintf(stderr, "Getting pack list\n");
726 switch (http_get_info_packs(repo->url, &repo->packs)) {
727 case HTTP_OK:
728 case HTTP_MISSING_TARGET:
729 ret = 0;
730 break;
731 default:
732 ret = -1;
733 }
735 return ret;
736 }
738 static void one_remote_object(const char *hex)
739 {
740 unsigned char sha1[20];
741 struct object *obj;
743 if (get_sha1_hex(hex, sha1) != 0)
744 return;
746 obj = lookup_object(sha1);
747 if (!obj)
748 obj = parse_object(sha1);
750 /* Ignore remote objects that don't exist locally */
751 if (!obj)
752 return;
754 obj->flags |= REMOTE;
755 if (!object_list_contains(objects, obj))
756 object_list_insert(obj, &objects);
757 }
759 static void handle_lockprop_ctx(struct xml_ctx *ctx, int tag_closed)
760 {
761 int *lock_flags = (int *)ctx->userData;
763 if (tag_closed) {
764 if (!strcmp(ctx->name, DAV_CTX_LOCKENTRY)) {
765 if ((*lock_flags & DAV_PROP_LOCKEX) &&
766 (*lock_flags & DAV_PROP_LOCKWR)) {
767 *lock_flags |= DAV_LOCK_OK;
768 }
769 *lock_flags &= DAV_LOCK_OK;
770 } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_WRITE)) {
771 *lock_flags |= DAV_PROP_LOCKWR;
772 } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_EXCLUSIVE)) {
773 *lock_flags |= DAV_PROP_LOCKEX;
774 }
775 }
776 }
778 static void handle_new_lock_ctx(struct xml_ctx *ctx, int tag_closed)
779 {
780 struct remote_lock *lock = (struct remote_lock *)ctx->userData;
781 git_SHA_CTX sha_ctx;
782 unsigned char lock_token_sha1[20];
784 if (tag_closed && ctx->cdata) {
785 if (!strcmp(ctx->name, DAV_ACTIVELOCK_OWNER)) {
786 lock->owner = xmalloc(strlen(ctx->cdata) + 1);
787 strcpy(lock->owner, ctx->cdata);
788 } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TIMEOUT)) {
789 if (!prefixcmp(ctx->cdata, "Second-"))
790 lock->timeout =
791 strtol(ctx->cdata + 7, NULL, 10);
792 } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TOKEN)) {
793 lock->token = xmalloc(strlen(ctx->cdata) + 1);
794 strcpy(lock->token, ctx->cdata);
796 git_SHA1_Init(&sha_ctx);
797 git_SHA1_Update(&sha_ctx, lock->token, strlen(lock->token));
798 git_SHA1_Final(lock_token_sha1, &sha_ctx);
800 lock->tmpfile_suffix[0] = '_';
801 memcpy(lock->tmpfile_suffix + 1, sha1_to_hex(lock_token_sha1), 40);
802 }
803 }
804 }
806 static void one_remote_ref(char *refname);
808 static void
809 xml_start_tag(void *userData, const char *name, const char **atts)
810 {
811 struct xml_ctx *ctx = (struct xml_ctx *)userData;
812 const char *c = strchr(name, ':');
813 int new_len;
815 if (c == NULL)
816 c = name;
817 else
818 c++;
820 new_len = strlen(ctx->name) + strlen(c) + 2;
822 if (new_len > ctx->len) {
823 ctx->name = xrealloc(ctx->name, new_len);
824 ctx->len = new_len;
825 }
826 strcat(ctx->name, ".");
827 strcat(ctx->name, c);
829 free(ctx->cdata);
830 ctx->cdata = NULL;
832 ctx->userFunc(ctx, 0);
833 }
835 static void
836 xml_end_tag(void *userData, const char *name)
837 {
838 struct xml_ctx *ctx = (struct xml_ctx *)userData;
839 const char *c = strchr(name, ':');
840 char *ep;
842 ctx->userFunc(ctx, 1);
844 if (c == NULL)
845 c = name;
846 else
847 c++;
849 ep = ctx->name + strlen(ctx->name) - strlen(c) - 1;
850 *ep = 0;
851 }
853 static void
854 xml_cdata(void *userData, const XML_Char *s, int len)
855 {
856 struct xml_ctx *ctx = (struct xml_ctx *)userData;
857 free(ctx->cdata);
858 ctx->cdata = xmemdupz(s, len);
859 }
861 static struct remote_lock *lock_remote(const char *path, long timeout)
862 {
863 struct active_request_slot *slot;
864 struct slot_results results;
865 struct buffer out_buffer = { STRBUF_INIT, 0 };
866 struct strbuf in_buffer = STRBUF_INIT;
867 char *url;
868 char *ep;
869 char timeout_header[25];
870 struct remote_lock *lock = NULL;
871 struct curl_slist *dav_headers = NULL;
872 struct xml_ctx ctx;
873 char *escaped;
875 url = xmalloc(strlen(repo->url) + strlen(path) + 1);
876 sprintf(url, "%s%s", repo->url, path);
878 /* Make sure leading directories exist for the remote ref */
879 ep = strchr(url + strlen(repo->url) + 1, '/');
880 while (ep) {
881 char saved_character = ep[1];
882 ep[1] = '\0';
883 slot = get_active_slot();
884 slot->results = &results;
885 curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
886 curl_easy_setopt(slot->curl, CURLOPT_URL, url);
887 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL);
888 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
889 if (start_active_slot(slot)) {
890 run_active_slot(slot);
891 if (results.curl_result != CURLE_OK &&
892 results.http_code != 405) {
893 fprintf(stderr,
894 "Unable to create branch path %s\n",
895 url);
896 free(url);
897 return NULL;
898 }
899 } else {
900 fprintf(stderr, "Unable to start MKCOL request\n");
901 free(url);
902 return NULL;
903 }
904 ep[1] = saved_character;
905 ep = strchr(ep + 1, '/');
906 }
908 escaped = xml_entities(git_default_email);
909 strbuf_addf(&out_buffer.buf, LOCK_REQUEST, escaped);
910 free(escaped);
912 sprintf(timeout_header, "Timeout: Second-%ld", timeout);
913 dav_headers = curl_slist_append(dav_headers, timeout_header);
914 dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml");
916 slot = get_active_slot();
917 slot->results = &results;
918 curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer);
919 curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len);
920 curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
921 #ifndef NO_CURL_IOCTL
922 curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
923 curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &out_buffer);
924 #endif
925 curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
926 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
927 curl_easy_setopt(slot->curl, CURLOPT_URL, url);
928 curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
929 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK);
930 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
932 lock = xcalloc(1, sizeof(*lock));
933 lock->timeout = -1;
935 if (start_active_slot(slot)) {
936 run_active_slot(slot);
937 if (results.curl_result == CURLE_OK) {
938 XML_Parser parser = XML_ParserCreate(NULL);
939 enum XML_Status result;
940 ctx.name = xcalloc(10, 1);
941 ctx.len = 0;
942 ctx.cdata = NULL;
943 ctx.userFunc = handle_new_lock_ctx;
944 ctx.userData = lock;
945 XML_SetUserData(parser, &ctx);
946 XML_SetElementHandler(parser, xml_start_tag,
947 xml_end_tag);
948 XML_SetCharacterDataHandler(parser, xml_cdata);
949 result = XML_Parse(parser, in_buffer.buf,
950 in_buffer.len, 1);
951 free(ctx.name);
952 if (result != XML_STATUS_OK) {
953 fprintf(stderr, "XML error: %s\n",
954 XML_ErrorString(
955 XML_GetErrorCode(parser)));
956 lock->timeout = -1;
957 }
958 XML_ParserFree(parser);
959 }
960 } else {
961 fprintf(stderr, "Unable to start LOCK request\n");
962 }
964 curl_slist_free_all(dav_headers);
965 strbuf_release(&out_buffer.buf);
966 strbuf_release(&in_buffer);
968 if (lock->token == NULL || lock->timeout <= 0) {
969 free(lock->token);
970 free(lock->owner);
971 free(url);
972 free(lock);
973 lock = NULL;
974 } else {
975 lock->url = url;
976 lock->start_time = time(NULL);
977 lock->next = repo->locks;
978 repo->locks = lock;
979 }
981 return lock;
982 }
984 static int unlock_remote(struct remote_lock *lock)
985 {
986 struct active_request_slot *slot;
987 struct slot_results results;
988 struct remote_lock *prev = repo->locks;
989 struct curl_slist *dav_headers;
990 int rc = 0;
992 dav_headers = get_dav_token_headers(lock, DAV_HEADER_LOCK);
994 slot = get_active_slot();
995 slot->results = &results;
996 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
997 curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url);
998 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_UNLOCK);
999 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
1001 if (start_active_slot(slot)) {
1002 run_active_slot(slot);
1003 if (results.curl_result == CURLE_OK)
1004 rc = 1;
1005 else
1006 fprintf(stderr, "UNLOCK HTTP error %ld\n",
1007 results.http_code);
1008 } else {
1009 fprintf(stderr, "Unable to start UNLOCK request\n");
1010 }
1012 curl_slist_free_all(dav_headers);
1014 if (repo->locks == lock) {
1015 repo->locks = lock->next;
1016 } else {
1017 while (prev && prev->next != lock)
1018 prev = prev->next;
1019 if (prev)
1020 prev->next = prev->next->next;
1021 }
1023 free(lock->owner);
1024 free(lock->url);
1025 free(lock->token);
1026 free(lock);
1028 return rc;
1029 }
1031 static void remove_locks(void)
1032 {
1033 struct remote_lock *lock = repo->locks;
1035 fprintf(stderr, "Removing remote locks...\n");
1036 while (lock) {
1037 struct remote_lock *next = lock->next;
1038 unlock_remote(lock);
1039 lock = next;
1040 }
1041 }
1043 static void remove_locks_on_signal(int signo)
1044 {
1045 remove_locks();
1046 sigchain_pop(signo);
1047 raise(signo);
1048 }
1050 static void remote_ls(const char *path, int flags,
1051 void (*userFunc)(struct remote_ls_ctx *ls),
1052 void *userData);
1054 static void process_ls_object(struct remote_ls_ctx *ls)
1055 {
1056 unsigned int *parent = (unsigned int *)ls->userData;
1057 char *path = ls->dentry_name;
1058 char *obj_hex;
1060 if (!strcmp(ls->path, ls->dentry_name) && (ls->flags & IS_DIR)) {
1061 remote_dir_exists[*parent] = 1;
1062 return;
1063 }
1065 if (strlen(path) != 49)
1066 return;
1067 path += 8;
1068 obj_hex = xmalloc(strlen(path));
1069 /* NB: path is not null-terminated, can not use strlcpy here */
1070 memcpy(obj_hex, path, 2);
1071 strcpy(obj_hex + 2, path + 3);
1072 one_remote_object(obj_hex);
1073 free(obj_hex);
1074 }
1076 static void process_ls_ref(struct remote_ls_ctx *ls)
1077 {
1078 if (!strcmp(ls->path, ls->dentry_name) && (ls->dentry_flags & IS_DIR)) {
1079 fprintf(stderr, " %s\n", ls->dentry_name);
1080 return;
1081 }
1083 if (!(ls->dentry_flags & IS_DIR))
1084 one_remote_ref(ls->dentry_name);
1085 }
1087 static void handle_remote_ls_ctx(struct xml_ctx *ctx, int tag_closed)
1088 {
1089 struct remote_ls_ctx *ls = (struct remote_ls_ctx *)ctx->userData;
1091 if (tag_closed) {
1092 if (!strcmp(ctx->name, DAV_PROPFIND_RESP) && ls->dentry_name) {
1093 if (ls->dentry_flags & IS_DIR) {
1095 /* ensure collection names end with slash */
1096 str_end_url_with_slash(ls->dentry_name, &ls->dentry_name);
1098 if (ls->flags & PROCESS_DIRS) {
1099 ls->userFunc(ls);
1100 }
1101 if (strcmp(ls->dentry_name, ls->path) &&
1102 ls->flags & RECURSIVE) {
1103 remote_ls(ls->dentry_name,
1104 ls->flags,
1105 ls->userFunc,
1106 ls->userData);
1107 }
1108 } else if (ls->flags & PROCESS_FILES) {
1109 ls->userFunc(ls);
1110 }
1111 } else if (!strcmp(ctx->name, DAV_PROPFIND_NAME) && ctx->cdata) {
1112 char *path = ctx->cdata;
1113 if (*ctx->cdata == 'h') {
1114 path = strstr(path, "//");
1115 if (path) {
1116 path = strchr(path+2, '/');
1117 }
1118 }
1119 if (path) {
1120 const char *url = repo->url;
1121 if (repo->path)
1122 url = repo->path;
1123 if (strncmp(path, url, repo->path_len))
1124 error("Parsed path '%s' does not match url: '%s'\n",
1125 path, url);
1126 else {
1127 path += repo->path_len;
1128 ls->dentry_name = xstrdup(path);
1129 }
1130 }
1131 } else if (!strcmp(ctx->name, DAV_PROPFIND_COLLECTION)) {
1132 ls->dentry_flags |= IS_DIR;
1133 }
1134 } else if (!strcmp(ctx->name, DAV_PROPFIND_RESP)) {
1135 free(ls->dentry_name);
1136 ls->dentry_name = NULL;
1137 ls->dentry_flags = 0;
1138 }
1139 }
1141 /*
1142 * NEEDSWORK: remote_ls() ignores info/refs on the remote side. But it
1143 * should _only_ heed the information from that file, instead of trying to
1144 * determine the refs from the remote file system (badly: it does not even
1145 * know about packed-refs).
1146 */
1147 static void remote_ls(const char *path, int flags,
1148 void (*userFunc)(struct remote_ls_ctx *ls),
1149 void *userData)
1150 {
1151 char *url = xmalloc(strlen(repo->url) + strlen(path) + 1);
1152 struct active_request_slot *slot;
1153 struct slot_results results;
1154 struct strbuf in_buffer = STRBUF_INIT;
1155 struct buffer out_buffer = { STRBUF_INIT, 0 };
1156 struct curl_slist *dav_headers = NULL;
1157 struct xml_ctx ctx;
1158 struct remote_ls_ctx ls;
1160 ls.flags = flags;
1161 ls.path = xstrdup(path);
1162 ls.dentry_name = NULL;
1163 ls.dentry_flags = 0;
1164 ls.userData = userData;
1165 ls.userFunc = userFunc;
1167 sprintf(url, "%s%s", repo->url, path);
1169 strbuf_addf(&out_buffer.buf, PROPFIND_ALL_REQUEST);
1171 dav_headers = curl_slist_append(dav_headers, "Depth: 1");
1172 dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml");
1174 slot = get_active_slot();
1175 slot->results = &results;
1176 curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer);
1177 curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len);
1178 curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
1179 #ifndef NO_CURL_IOCTL
1180 curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
1181 curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &out_buffer);
1182 #endif
1183 curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
1184 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
1185 curl_easy_setopt(slot->curl, CURLOPT_URL, url);
1186 curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
1187 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND);
1188 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
1190 if (start_active_slot(slot)) {
1191 run_active_slot(slot);
1192 if (results.curl_result == CURLE_OK) {
1193 XML_Parser parser = XML_ParserCreate(NULL);
1194 enum XML_Status result;
1195 ctx.name = xcalloc(10, 1);
1196 ctx.len = 0;
1197 ctx.cdata = NULL;
1198 ctx.userFunc = handle_remote_ls_ctx;
1199 ctx.userData = &ls;
1200 XML_SetUserData(parser, &ctx);
1201 XML_SetElementHandler(parser, xml_start_tag,
1202 xml_end_tag);
1203 XML_SetCharacterDataHandler(parser, xml_cdata);
1204 result = XML_Parse(parser, in_buffer.buf,
1205 in_buffer.len, 1);
1206 free(ctx.name);
1208 if (result != XML_STATUS_OK) {
1209 fprintf(stderr, "XML error: %s\n",
1210 XML_ErrorString(
1211 XML_GetErrorCode(parser)));
1212 }
1213 XML_ParserFree(parser);
1214 }
1215 } else {
1216 fprintf(stderr, "Unable to start PROPFIND request\n");
1217 }
1219 free(ls.path);
1220 free(url);
1221 strbuf_release(&out_buffer.buf);
1222 strbuf_release(&in_buffer);
1223 curl_slist_free_all(dav_headers);
1224 }
1226 static void get_remote_object_list(unsigned char parent)
1227 {
1228 char path[] = "objects/XX/";
1229 static const char hex[] = "0123456789abcdef";
1230 unsigned int val = parent;
1232 path[8] = hex[val >> 4];
1233 path[9] = hex[val & 0xf];
1234 remote_dir_exists[val] = 0;
1235 remote_ls(path, (PROCESS_FILES | PROCESS_DIRS),
1236 process_ls_object, &val);
1237 }
1239 static int locking_available(void)
1240 {
1241 struct active_request_slot *slot;
1242 struct slot_results results;
1243 struct strbuf in_buffer = STRBUF_INIT;
1244 struct buffer out_buffer = { STRBUF_INIT, 0 };
1245 struct curl_slist *dav_headers = NULL;
1246 struct xml_ctx ctx;
1247 int lock_flags = 0;
1248 char *escaped;
1250 escaped = xml_entities(repo->url);
1251 strbuf_addf(&out_buffer.buf, PROPFIND_SUPPORTEDLOCK_REQUEST, escaped);
1252 free(escaped);
1254 dav_headers = curl_slist_append(dav_headers, "Depth: 0");
1255 dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml");
1257 slot = get_active_slot();
1258 slot->results = &results;
1259 curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer);
1260 curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len);
1261 curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
1262 #ifndef NO_CURL_IOCTL
1263 curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
1264 curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &out_buffer);
1265 #endif
1266 curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer);
1267 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer);
1268 curl_easy_setopt(slot->curl, CURLOPT_URL, repo->url);
1269 curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
1270 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND);
1271 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
1273 if (start_active_slot(slot)) {
1274 run_active_slot(slot);
1275 if (results.curl_result == CURLE_OK) {
1276 XML_Parser parser = XML_ParserCreate(NULL);
1277 enum XML_Status result;
1278 ctx.name = xcalloc(10, 1);
1279 ctx.len = 0;
1280 ctx.cdata = NULL;
1281 ctx.userFunc = handle_lockprop_ctx;
1282 ctx.userData = &lock_flags;
1283 XML_SetUserData(parser, &ctx);
1284 XML_SetElementHandler(parser, xml_start_tag,
1285 xml_end_tag);
1286 result = XML_Parse(parser, in_buffer.buf,
1287 in_buffer.len, 1);
1288 free(ctx.name);
1290 if (result != XML_STATUS_OK) {
1291 fprintf(stderr, "XML error: %s\n",
1292 XML_ErrorString(
1293 XML_GetErrorCode(parser)));
1294 lock_flags = 0;
1295 }
1296 XML_ParserFree(parser);
1297 if (!lock_flags)
1298 error("no DAV locking support on %s",
1299 repo->url);
1301 } else {
1302 error("Cannot access URL %s, return code %d",
1303 repo->url, results.curl_result);
1304 lock_flags = 0;
1305 }
1306 } else {
1307 error("Unable to start PROPFIND request on %s", repo->url);
1308 }
1310 strbuf_release(&out_buffer.buf);
1311 strbuf_release(&in_buffer);
1312 curl_slist_free_all(dav_headers);
1314 return lock_flags;
1315 }
1317 static struct object_list **add_one_object(struct object *obj, struct object_list **p)
1318 {
1319 struct object_list *entry = xmalloc(sizeof(struct object_list));
1320 entry->item = obj;
1321 entry->next = *p;
1322 *p = entry;
1323 return &entry->next;
1324 }
1326 static struct object_list **process_blob(struct blob *blob,
1327 struct object_list **p,
1328 struct name_path *path,
1329 const char *name)
1330 {
1331 struct object *obj = &blob->object;
1333 obj->flags |= LOCAL;
1335 if (obj->flags & (UNINTERESTING | SEEN))
1336 return p;
1338 obj->flags |= SEEN;
1339 return add_one_object(obj, p);
1340 }
1342 static struct object_list **process_tree(struct tree *tree,
1343 struct object_list **p,
1344 struct name_path *path,
1345 const char *name)
1346 {
1347 struct object *obj = &tree->object;
1348 struct tree_desc desc;
1349 struct name_entry entry;
1350 struct name_path me;
1352 obj->flags |= LOCAL;
1354 if (obj->flags & (UNINTERESTING | SEEN))
1355 return p;
1356 if (parse_tree(tree) < 0)
1357 die("bad tree object %s", sha1_to_hex(obj->sha1));
1359 obj->flags |= SEEN;
1360 name = xstrdup(name);
1361 p = add_one_object(obj, p);
1362 me.up = path;
1363 me.elem = name;
1364 me.elem_len = strlen(name);
1366 init_tree_desc(&desc, tree->buffer, tree->size);
1368 while (tree_entry(&desc, &entry))
1369 switch (object_type(entry.mode)) {
1370 case OBJ_TREE:
1371 p = process_tree(lookup_tree(entry.sha1), p, &me, name);
1372 break;
1373 case OBJ_BLOB:
1374 p = process_blob(lookup_blob(entry.sha1), p, &me, name);
1375 break;
1376 default:
1377 /* Subproject commit - not in this repository */
1378 break;
1379 }
1381 free(tree->buffer);
1382 tree->buffer = NULL;
1383 return p;
1384 }
1386 static int get_delta(struct rev_info *revs, struct remote_lock *lock)
1387 {
1388 int i;
1389 struct commit *commit;
1390 struct object_list **p = &objects;
1391 int count = 0;
1393 while ((commit = get_revision(revs)) != NULL) {
1394 p = process_tree(commit->tree, p, NULL, "");
1395 commit->object.flags |= LOCAL;
1396 if (!(commit->object.flags & UNINTERESTING))
1397 count += add_send_request(&commit->object, lock);
1398 }
1400 for (i = 0; i < revs->pending.nr; i++) {
1401 struct object_array_entry *entry = revs->pending.objects + i;
1402 struct object *obj = entry->item;
1403 const char *name = entry->name;
1405 if (obj->flags & (UNINTERESTING | SEEN))
1406 continue;
1407 if (obj->type == OBJ_TAG) {
1408 obj->flags |= SEEN;
1409 p = add_one_object(obj, p);
1410 continue;
1411 }
1412 if (obj->type == OBJ_TREE) {
1413 p = process_tree((struct tree *)obj, p, NULL, name);
1414 continue;
1415 }
1416 if (obj->type == OBJ_BLOB) {
1417 p = process_blob((struct blob *)obj, p, NULL, name);
1418 continue;
1419 }
1420 die("unknown pending object %s (%s)", sha1_to_hex(obj->sha1), name);
1421 }
1423 while (objects) {
1424 if (!(objects->item->flags & UNINTERESTING))
1425 count += add_send_request(objects->item, lock);
1426 objects = objects->next;
1427 }
1429 return count;
1430 }
1432 static int update_remote(unsigned char *sha1, struct remote_lock *lock)
1433 {
1434 struct active_request_slot *slot;
1435 struct slot_results results;
1436 struct buffer out_buffer = { STRBUF_INIT, 0 };
1437 struct curl_slist *dav_headers;
1439 dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF);
1441 strbuf_addf(&out_buffer.buf, "%s\n", sha1_to_hex(sha1));
1443 slot = get_active_slot();
1444 slot->results = &results;
1445 curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer);
1446 curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.buf.len);
1447 curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
1448 #ifndef NO_CURL_IOCTL
1449 curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
1450 curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &out_buffer);
1451 #endif
1452 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
1453 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT);
1454 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
1455 curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
1456 curl_easy_setopt(slot->curl, CURLOPT_PUT, 1);
1457 curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url);
1459 if (start_active_slot(slot)) {
1460 run_active_slot(slot);
1461 strbuf_release(&out_buffer.buf);
1462 if (results.curl_result != CURLE_OK) {
1463 fprintf(stderr,
1464 "PUT error: curl result=%d, HTTP code=%ld\n",
1465 results.curl_result, results.http_code);
1466 /* We should attempt recovery? */
1467 return 0;
1468 }
1469 } else {
1470 strbuf_release(&out_buffer.buf);
1471 fprintf(stderr, "Unable to start PUT request\n");
1472 return 0;
1473 }
1475 return 1;
1476 }
1478 static struct ref *remote_refs;
1480 static void one_remote_ref(char *refname)
1481 {
1482 struct ref *ref;
1483 struct object *obj;
1485 ref = alloc_ref(refname);
1487 if (http_fetch_ref(repo->url, ref) != 0) {
1488 fprintf(stderr,
1489 "Unable to fetch ref %s from %s\n",
1490 refname, repo->url);
1491 free(ref);
1492 return;
1493 }
1495 /*
1496 * Fetch a copy of the object if it doesn't exist locally - it
1497 * may be required for updating server info later.
1498 */
1499 if (repo->can_update_info_refs && !has_sha1_file(ref->old_sha1)) {
1500 obj = lookup_unknown_object(ref->old_sha1);
1501 if (obj) {
1502 fprintf(stderr, " fetch %s for %s\n",
1503 sha1_to_hex(ref->old_sha1), refname);
1504 add_fetch_request(obj);
1505 }
1506 }
1508 ref->next = remote_refs;
1509 remote_refs = ref;
1510 }
1512 static void get_dav_remote_heads(void)
1513 {
1514 remote_ls("refs/", (PROCESS_FILES | PROCESS_DIRS | RECURSIVE), process_ls_ref, NULL);
1515 }
1517 static void add_remote_info_ref(struct remote_ls_ctx *ls)
1518 {
1519 struct strbuf *buf = (struct strbuf *)ls->userData;
1520 struct object *o;
1521 int len;
1522 char *ref_info;
1523 struct ref *ref;
1525 ref = alloc_ref(ls->dentry_name);
1527 if (http_fetch_ref(repo->url, ref) != 0) {
1528 fprintf(stderr,
1529 "Unable to fetch ref %s from %s\n",
1530 ls->dentry_name, repo->url);
1531 aborted = 1;
1532 free(ref);
1533 return;
1534 }
1536 o = parse_object(ref->old_sha1);
1537 if (!o) {
1538 fprintf(stderr,
1539 "Unable to parse object %s for remote ref %s\n",
1540 sha1_to_hex(ref->old_sha1), ls->dentry_name);
1541 aborted = 1;
1542 free(ref);
1543 return;
1544 }
1546 len = strlen(ls->dentry_name) + 42;
1547 ref_info = xcalloc(len + 1, 1);
1548 sprintf(ref_info, "%s %s\n",
1549 sha1_to_hex(ref->old_sha1), ls->dentry_name);
1550 fwrite_buffer(ref_info, 1, len, buf);
1551 free(ref_info);
1553 if (o->type == OBJ_TAG) {
1554 o = deref_tag(o, ls->dentry_name, 0);
1555 if (o) {
1556 len = strlen(ls->dentry_name) + 45;
1557 ref_info = xcalloc(len + 1, 1);
1558 sprintf(ref_info, "%s %s^{}\n",
1559 sha1_to_hex(o->sha1), ls->dentry_name);
1560 fwrite_buffer(ref_info, 1, len, buf);
1561 free(ref_info);
1562 }
1563 }
1564 free(ref);
1565 }
1567 static void update_remote_info_refs(struct remote_lock *lock)
1568 {
1569 struct buffer buffer = { STRBUF_INIT, 0 };
1570 struct active_request_slot *slot;
1571 struct slot_results results;
1572 struct curl_slist *dav_headers;
1574 remote_ls("refs/", (PROCESS_FILES | RECURSIVE),
1575 add_remote_info_ref, &buffer.buf);
1576 if (!aborted) {
1577 dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF);
1579 slot = get_active_slot();
1580 slot->results = &results;
1581 curl_easy_setopt(slot->curl, CURLOPT_INFILE, &buffer);
1582 curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, buffer.buf.len);
1583 curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer);
1584 #ifndef NO_CURL_IOCTL
1585 curl_easy_setopt(slot->curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer);
1586 curl_easy_setopt(slot->curl, CURLOPT_IOCTLDATA, &buffer);
1587 #endif
1588 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
1589 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT);
1590 curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers);
1591 curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1);
1592 curl_easy_setopt(slot->curl, CURLOPT_PUT, 1);
1593 curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url);
1595 if (start_active_slot(slot)) {
1596 run_active_slot(slot);
1597 if (results.curl_result != CURLE_OK) {
1598 fprintf(stderr,
1599 "PUT error: curl result=%d, HTTP code=%ld\n",
1600 results.curl_result, results.http_code);
1601 }
1602 }
1603 }
1604 strbuf_release(&buffer.buf);
1605 }
1607 static int remote_exists(const char *path)
1608 {
1609 char *url = xmalloc(strlen(repo->url) + strlen(path) + 1);
1610 int ret;
1612 sprintf(url, "%s%s", repo->url, path);
1614 switch (http_get_strbuf(url, NULL, 0)) {
1615 case HTTP_OK:
1616 ret = 1;
1617 break;
1618 case HTTP_MISSING_TARGET:
1619 ret = 0;
1620 break;
1621 case HTTP_ERROR:
1622 http_error(url, HTTP_ERROR);
1623 default:
1624 ret = -1;
1625 }
1626 free(url);
1627 return ret;
1628 }
1630 static void fetch_symref(const char *path, char **symref, unsigned char *sha1)
1631 {
1632 char *url;
1633 struct strbuf buffer = STRBUF_INIT;
1635 url = xmalloc(strlen(repo->url) + strlen(path) + 1);
1636 sprintf(url, "%s%s", repo->url, path);
1638 if (http_get_strbuf(url, &buffer, 0) != HTTP_OK)
1639 die("Couldn't get %s for remote symref\n%s", url,
1640 curl_errorstr);
1641 free(url);
1643 free(*symref);
1644 *symref = NULL;
1645 hashclr(sha1);
1647 if (buffer.len == 0)
1648 return;
1650 /* If it's a symref, set the refname; otherwise try for a sha1 */
1651 if (!prefixcmp((char *)buffer.buf, "ref: ")) {
1652 *symref = xmemdupz((char *)buffer.buf + 5, buffer.len - 6);
1653 } else {
1654 get_sha1_hex(buffer.buf, sha1);
1655 }
1657 strbuf_release(&buffer);
1658 }
1660 static int verify_merge_base(unsigned char *head_sha1, unsigned char *branch_sha1)
1661 {
1662 struct commit *head = lookup_commit(head_sha1);
1663 struct commit *branch = lookup_commit(branch_sha1);
1664 struct commit_list *merge_bases = get_merge_bases(head, branch, 1);
1666 return (merge_bases && !merge_bases->next && merge_bases->item == branch);
1667 }
1669 static int delete_remote_branch(char *pattern, int force)
1670 {
1671 struct ref *refs = remote_refs;
1672 struct ref *remote_ref = NULL;
1673 unsigned char head_sha1[20];
1674 char *symref = NULL;
1675 int match;
1676 int patlen = strlen(pattern);
1677 int i;
1678 struct active_request_slot *slot;
1679 struct slot_results results;
1680 char *url;
1682 /* Find the remote branch(es) matching the specified branch name */
1683 for (match = 0; refs; refs = refs->next) {
1684 char *name = refs->name;
1685 int namelen = strlen(name);
1686 if (namelen < patlen ||
1687 memcmp(name + namelen - patlen, pattern, patlen))
1688 continue;
1689 if (namelen != patlen && name[namelen - patlen - 1] != '/')
1690 continue;
1691 match++;
1692 remote_ref = refs;
1693 }
1694 if (match == 0)
1695 return error("No remote branch matches %s", pattern);
1696 if (match != 1)
1697 return error("More than one remote branch matches %s",
1698 pattern);
1700 /*
1701 * Remote HEAD must be a symref (not exactly foolproof; a remote
1702 * symlink to a symref will look like a symref)
1703 */
1704 fetch_symref("HEAD", &symref, head_sha1);
1705 if (!symref)
1706 return error("Remote HEAD is not a symref");
1708 /* Remote branch must not be the remote HEAD */
1709 for (i=0; symref && i<MAXDEPTH; i++) {
1710 if (!strcmp(remote_ref->name, symref))
1711 return error("Remote branch %s is the current HEAD",
1712 remote_ref->name);
1713 fetch_symref(symref, &symref, head_sha1);
1714 }
1716 /* Run extra sanity checks if delete is not forced */
1717 if (!force) {
1718 /* Remote HEAD must resolve to a known object */
1719 if (symref)
1720 return error("Remote HEAD symrefs too deep");
1721 if (is_null_sha1(head_sha1))
1722 return error("Unable to resolve remote HEAD");
1723 if (!has_sha1_file(head_sha1))
1724 return error("Remote HEAD resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", sha1_to_hex(head_sha1));
1726 /* Remote branch must resolve to a known object */
1727 if (is_null_sha1(remote_ref->old_sha1))
1728 return error("Unable to resolve remote branch %s",
1729 remote_ref->name);
1730 if (!has_sha1_file(remote_ref->old_sha1))
1731 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));
1733 /* Remote branch must be an ancestor of remote HEAD */
1734 if (!verify_merge_base(head_sha1, remote_ref->old_sha1)) {
1735 return error("The branch '%s' is not an ancestor "
1736 "of your current HEAD.\n"
1737 "If you are sure you want to delete it,"
1738 " run:\n\t'git http-push -D %s %s'",
1739 remote_ref->name, repo->url, pattern);
1740 }
1741 }
1743 /* Send delete request */
1744 fprintf(stderr, "Removing remote branch '%s'\n", remote_ref->name);
1745 if (dry_run)
1746 return 0;
1747 url = xmalloc(strlen(repo->url) + strlen(remote_ref->name) + 1);
1748 sprintf(url, "%s%s", repo->url, remote_ref->name);
1749 slot = get_active_slot();
1750 slot->results = &results;
1751 curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1);
1752 curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null);
1753 curl_easy_setopt(slot->curl, CURLOPT_URL, url);
1754 curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_DELETE);
1755 if (start_active_slot(slot)) {
1756 run_active_slot(slot);
1757 free(url);
1758 if (results.curl_result != CURLE_OK)
1759 return error("DELETE request failed (%d/%ld)\n",
1760 results.curl_result, results.http_code);
1761 } else {
1762 free(url);
1763 return error("Unable to start DELETE request");
1764 }
1766 return 0;
1767 }
1769 static void run_request_queue(void)
1770 {
1771 #ifdef USE_CURL_MULTI
1772 is_running_queue = 1;
1773 fill_active_slots();
1774 add_fill_function(NULL, fill_active_slot);
1775 #endif
1776 do {
1777 finish_all_active_slots();
1778 #ifdef USE_CURL_MULTI
1779 fill_active_slots();
1780 #endif
1781 } while (request_queue_head && !aborted);
1783 #ifdef USE_CURL_MULTI
1784 is_running_queue = 0;
1785 #endif
1786 }
1788 int main(int argc, char **argv)
1789 {
1790 struct transfer_request *request;
1791 struct transfer_request *next_request;
1792 int nr_refspec = 0;
1793 char **refspec = NULL;
1794 struct remote_lock *ref_lock = NULL;
1795 struct remote_lock *info_ref_lock = NULL;
1796 struct rev_info revs;
1797 int delete_branch = 0;
1798 int force_delete = 0;
1799 int objects_to_send;
1800 int rc = 0;
1801 int i;
1802 int new_refs;
1803 struct ref *ref, *local_refs;
1804 struct remote *remote;
1806 git_setup_gettext();
1808 git_extract_argv0_path(argv[0]);
1810 repo = xcalloc(sizeof(*repo), 1);
1812 argv++;
1813 for (i = 1; i < argc; i++, argv++) {
1814 char *arg = *argv;
1816 if (*arg == '-') {
1817 if (!strcmp(arg, "--all")) {
1818 push_all = MATCH_REFS_ALL;
1819 continue;
1820 }
1821 if (!strcmp(arg, "--force")) {
1822 force_all = 1;
1823 continue;
1824 }
1825 if (!strcmp(arg, "--dry-run")) {
1826 dry_run = 1;
1827 continue;
1828 }
1829 if (!strcmp(arg, "--helper-status")) {
1830 helper_status = 1;
1831 continue;
1832 }
1833 if (!strcmp(arg, "--verbose")) {
1834 push_verbosely = 1;
1835 http_is_verbose = 1;
1836 continue;
1837 }
1838 if (!strcmp(arg, "-d")) {
1839 delete_branch = 1;
1840 continue;
1841 }
1842 if (!strcmp(arg, "-D")) {
1843 delete_branch = 1;
1844 force_delete = 1;
1845 continue;
1846 }
1847 if (!strcmp(arg, "-h"))
1848 usage(http_push_usage);
1849 }
1850 if (!repo->url) {
1851 char *path = strstr(arg, "//");
1852 str_end_url_with_slash(arg, &repo->url);
1853 repo->path_len = strlen(repo->url);
1854 if (path) {
1855 repo->path = strchr(path+2, '/');
1856 if (repo->path)
1857 repo->path_len = strlen(repo->path);
1858 }
1859 continue;
1860 }
1861 refspec = argv;
1862 nr_refspec = argc - i;
1863 break;
1864 }
1866 #ifndef USE_CURL_MULTI
1867 die("git-push is not available for http/https repository when not compiled with USE_CURL_MULTI");
1868 #endif
1870 if (!repo->url)
1871 usage(http_push_usage);
1873 if (delete_branch && nr_refspec != 1)
1874 die("You must specify only one branch name when deleting a remote branch");
1876 setup_git_directory();
1878 memset(remote_dir_exists, -1, 256);
1880 /*
1881 * Create a minimum remote by hand to give to http_init(),
1882 * primarily to allow it to look at the URL.
1883 */
1884 remote = xcalloc(sizeof(*remote), 1);
1885 ALLOC_GROW(remote->url, remote->url_nr + 1, remote->url_alloc);
1886 remote->url[remote->url_nr++] = repo->url;
1887 http_init(remote);
1889 #ifdef USE_CURL_MULTI
1890 is_running_queue = 0;
1891 #endif
1893 /* Verify DAV compliance/lock support */
1894 if (!locking_available()) {
1895 rc = 1;
1896 goto cleanup;
1897 }
1899 sigchain_push_common(remove_locks_on_signal);
1901 /* Check whether the remote has server info files */
1902 repo->can_update_info_refs = 0;
1903 repo->has_info_refs = remote_exists("info/refs");
1904 repo->has_info_packs = remote_exists("objects/info/packs");
1905 if (repo->has_info_refs) {
1906 info_ref_lock = lock_remote("info/refs", LOCK_TIME);
1907 if (info_ref_lock)
1908 repo->can_update_info_refs = 1;
1909 else {
1910 error("cannot lock existing info/refs");
1911 rc = 1;
1912 goto cleanup;
1913 }
1914 }
1915 if (repo->has_info_packs)
1916 fetch_indices();
1918 /* Get a list of all local and remote heads to validate refspecs */
1919 local_refs = get_local_heads();
1920 fprintf(stderr, "Fetching remote heads...\n");
1921 get_dav_remote_heads();
1922 run_request_queue();
1924 /* Remove a remote branch if -d or -D was specified */
1925 if (delete_branch) {
1926 if (delete_remote_branch(refspec[0], force_delete) == -1) {
1927 fprintf(stderr, "Unable to delete remote branch %s\n",
1928 refspec[0]);
1929 if (helper_status)
1930 printf("error %s cannot remove\n", refspec[0]);
1931 }
1932 goto cleanup;
1933 }
1935 /* match them up */
1936 if (match_refs(local_refs, &remote_refs,
1937 nr_refspec, (const char **) refspec, push_all)) {
1938 rc = -1;
1939 goto cleanup;
1940 }
1941 if (!remote_refs) {
1942 fprintf(stderr, "No refs in common and none specified; doing nothing.\n");
1943 if (helper_status)
1944 printf("error null no match\n");
1945 rc = 0;
1946 goto cleanup;
1947 }
1949 new_refs = 0;
1950 for (ref = remote_refs; ref; ref = ref->next) {
1951 char old_hex[60], *new_hex;
1952 const char *commit_argv[5];
1953 int commit_argc;
1954 char *new_sha1_hex, *old_sha1_hex;
1956 if (!ref->peer_ref)
1957 continue;
1959 if (is_null_sha1(ref->peer_ref->new_sha1)) {
1960 if (delete_remote_branch(ref->name, 1) == -1) {
1961 error("Could not remove %s", ref->name);
1962 if (helper_status)
1963 printf("error %s cannot remove\n", ref->name);
1964 rc = -4;
1965 }
1966 else if (helper_status)
1967 printf("ok %s\n", ref->name);
1968 new_refs++;
1969 continue;
1970 }
1972 if (!hashcmp(ref->old_sha1, ref->peer_ref->new_sha1)) {
1973 if (push_verbosely)
1974 fprintf(stderr, "'%s': up-to-date\n", ref->name);
1975 if (helper_status)
1976 printf("ok %s up to date\n", ref->name);
1977 continue;
1978 }
1980 if (!force_all &&
1981 !is_null_sha1(ref->old_sha1) &&
1982 !ref->force) {
1983 if (!has_sha1_file(ref->old_sha1) ||
1984 !ref_newer(ref->peer_ref->new_sha1,
1985 ref->old_sha1)) {
1986 /*
1987 * We do not have the remote ref, or
1988 * we know that the remote ref is not
1989 * an ancestor of what we are trying to
1990 * push. Either way this can be losing
1991 * commits at the remote end and likely
1992 * we were not up to date to begin with.
1993 */
1994 error("remote '%s' is not an ancestor of\n"
1995 "local '%s'.\n"
1996 "Maybe you are not up-to-date and "
1997 "need to pull first?",
1998 ref->name,
1999 ref->peer_ref->name);
2000 if (helper_status)
2001 printf("error %s non-fast forward\n", ref->name);
2002 rc = -2;
2003 continue;
2004 }
2005 }
2006 hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
2007 new_refs++;
2008 strcpy(old_hex, sha1_to_hex(ref->old_sha1));
2009 new_hex = sha1_to_hex(ref->new_sha1);
2011 fprintf(stderr, "updating '%s'", ref->name);
2012 if (strcmp(ref->name, ref->peer_ref->name))
2013 fprintf(stderr, " using '%s'", ref->peer_ref->name);
2014 fprintf(stderr, "\n from %s\n to %s\n", old_hex, new_hex);
2015 if (dry_run) {
2016 if (helper_status)
2017 printf("ok %s\n", ref->name);
2018 continue;
2019 }
2021 /* Lock remote branch ref */
2022 ref_lock = lock_remote(ref->name, LOCK_TIME);
2023 if (ref_lock == NULL) {
2024 fprintf(stderr, "Unable to lock remote branch %s\n",
2025 ref->name);
2026 if (helper_status)
2027 printf("error %s lock error\n", ref->name);
2028 rc = 1;
2029 continue;
2030 }
2032 /* Set up revision info for this refspec */
2033 commit_argc = 3;
2034 new_sha1_hex = xstrdup(sha1_to_hex(ref->new_sha1));
2035 old_sha1_hex = NULL;
2036 commit_argv[1] = "--objects";
2037 commit_argv[2] = new_sha1_hex;
2038 if (!push_all && !is_null_sha1(ref->old_sha1)) {
2039 old_sha1_hex = xmalloc(42);
2040 sprintf(old_sha1_hex, "^%s",
2041 sha1_to_hex(ref->old_sha1));
2042 commit_argv[3] = old_sha1_hex;
2043 commit_argc++;
2044 }
2045 commit_argv[commit_argc] = NULL;
2046 init_revisions(&revs, setup_git_directory());
2047 setup_revisions(commit_argc, commit_argv, &revs, NULL);
2048 revs.edge_hint = 0; /* just in case */
2049 free(new_sha1_hex);
2050 if (old_sha1_hex) {
2051 free(old_sha1_hex);
2052 commit_argv[1] = NULL;
2053 }
2055 /* Generate a list of objects that need to be pushed */
2056 pushing = 0;
2057 if (prepare_revision_walk(&revs))
2058 die("revision walk setup failed");
2059 mark_edges_uninteresting(revs.commits, &revs, NULL);
2060 objects_to_send = get_delta(&revs, ref_lock);
2061 finish_all_active_slots();
2063 /* Push missing objects to remote, this would be a
2064 convenient time to pack them first if appropriate. */
2065 pushing = 1;
2066 if (objects_to_send)
2067 fprintf(stderr, " sending %d objects\n",
2068 objects_to_send);
2070 run_request_queue();
2072 /* Update the remote branch if all went well */
2073 if (aborted || !update_remote(ref->new_sha1, ref_lock))
2074 rc = 1;
2076 if (!rc)
2077 fprintf(stderr, " done\n");
2078 if (helper_status)
2079 printf("%s %s\n", !rc ? "ok" : "error", ref->name);
2080 unlock_remote(ref_lock);
2081 check_locks();
2082 }
2084 /* Update remote server info if appropriate */
2085 if (repo->has_info_refs && new_refs) {
2086 if (info_ref_lock && repo->can_update_info_refs) {
2087 fprintf(stderr, "Updating remote server info\n");
2088 if (!dry_run)
2089 update_remote_info_refs(info_ref_lock);
2090 } else {
2091 fprintf(stderr, "Unable to update server info\n");
2092 }
2093 }
2095 cleanup:
2096 if (info_ref_lock)
2097 unlock_remote(info_ref_lock);
2098 free(repo);
2100 http_cleanup();
2102 request = request_queue_head;
2103 while (request != NULL) {
2104 next_request = request->next;
2105 release_request(request);
2106 request = next_request;
2107 }
2109 return rc;
2110 }