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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 | ||
14 | #include <expat.h> | |
15 | ||
16 | static const char http_push_usage[] = | |
17 | "git http-push [--all] [--dry-run] [--force] [--verbose] <remote> [<head>...]\n"; | |
18 | ||
19 | #ifndef XML_STATUS_OK | |
20 | enum XML_Status { | |
21 | XML_STATUS_OK = 1, | |
22 | XML_STATUS_ERROR = 0 | |
23 | }; | |
24 | #define XML_STATUS_OK 1 | |
25 | #define XML_STATUS_ERROR 0 | |
26 | #endif | |
27 | ||
28 | #define PREV_BUF_SIZE 4096 | |
29 | ||
30 | /* DAV methods */ | |
31 | #define DAV_LOCK "LOCK" | |
32 | #define DAV_MKCOL "MKCOL" | |
33 | #define DAV_MOVE "MOVE" | |
34 | #define DAV_PROPFIND "PROPFIND" | |
35 | #define DAV_PUT "PUT" | |
36 | #define DAV_UNLOCK "UNLOCK" | |
37 | #define DAV_DELETE "DELETE" | |
38 | ||
39 | /* DAV lock flags */ | |
40 | #define DAV_PROP_LOCKWR (1u << 0) | |
41 | #define DAV_PROP_LOCKEX (1u << 1) | |
42 | #define DAV_LOCK_OK (1u << 2) | |
43 | ||
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" | |
54 | ||
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>" | |
59 | ||
60 | #define LOCK_TIME 600 | |
61 | #define LOCK_REFRESH 30 | |
62 | ||
63 | /* bits #0-15 in revision.h */ | |
64 | ||
65 | #define LOCAL (1u<<16) | |
66 | #define REMOTE (1u<<17) | |
67 | #define FETCHING (1u<<18) | |
68 | #define PUSHING (1u<<19) | |
69 | ||
70 | /* We allow "recursive" symbolic refs. Only within reason, though */ | |
71 | #define MAXDEPTH 5 | |
72 | ||
73 | static int pushing; | |
74 | static int aborted; | |
75 | static signed char remote_dir_exists[256]; | |
76 | ||
77 | static int push_verbosely; | |
78 | static int push_all = MATCH_REFS_NONE; | |
79 | static int force_all; | |
80 | static int dry_run; | |
81 | static int helper_status; | |
82 | ||
83 | static struct object_list *objects; | |
84 | ||
85 | struct repo { | |
86 | char *url; | |
87 | char *path; | |
88 | int path_len; | |
89 | int has_info_refs; | |
90 | int can_update_info_refs; | |
91 | int has_info_packs; | |
92 | struct packed_git *packs; | |
93 | struct remote_lock *locks; | |
94 | }; | |
95 | ||
96 | static struct repo *repo; | |
97 | ||
98 | enum transfer_state { | |
99 | NEED_FETCH, | |
100 | RUN_FETCH_LOOSE, | |
101 | RUN_FETCH_PACKED, | |
102 | NEED_PUSH, | |
103 | RUN_MKCOL, | |
104 | RUN_PUT, | |
105 | RUN_MOVE, | |
106 | ABORTED, | |
107 | COMPLETE | |
108 | }; | |
109 | ||
110 | struct transfer_request { | |
111 | struct object *obj; | |
112 | char *url; | |
113 | char *dest; | |
114 | struct remote_lock *lock; | |
115 | struct curl_slist *headers; | |
116 | struct buffer buffer; | |
117 | enum transfer_state state; | |
118 | CURLcode curl_result; | |
119 | char errorstr[CURL_ERROR_SIZE]; | |
120 | long http_code; | |
121 | void *userData; | |
122 | struct active_request_slot *slot; | |
123 | struct transfer_request *next; | |
124 | }; | |
125 | ||
126 | static struct transfer_request *request_queue_head; | |
127 | ||
128 | struct xml_ctx { | |
129 | char *name; | |
130 | int len; | |
131 | char *cdata; | |
132 | void (*userFunc)(struct xml_ctx *ctx, int tag_closed); | |
133 | void *userData; | |
134 | }; | |
135 | ||
136 | struct remote_lock { | |
137 | char *url; | |
138 | char *owner; | |
139 | char *token; | |
140 | char tmpfile_suffix[41]; | |
141 | time_t start_time; | |
142 | long timeout; | |
143 | int refreshing; | |
144 | struct remote_lock *next; | |
145 | }; | |
146 | ||
147 | /* Flags that control remote_ls processing */ | |
148 | #define PROCESS_FILES (1u << 0) | |
149 | #define PROCESS_DIRS (1u << 1) | |
150 | #define RECURSIVE (1u << 2) | |
151 | ||
152 | /* Flags that remote_ls passes to callback functions */ | |
153 | #define IS_DIR (1u << 0) | |
154 | ||
155 | struct remote_ls_ctx { | |
156 | char *path; | |
157 | void (*userFunc)(struct remote_ls_ctx *ls); | |
158 | void *userData; | |
159 | int flags; | |
160 | char *dentry_name; | |
161 | int dentry_flags; | |
162 | struct remote_ls_ctx *parent; | |
163 | }; | |
164 | ||
165 | /* get_dav_token_headers options */ | |
166 | enum dav_header_flag { | |
167 | DAV_HEADER_IF = (1u << 0), | |
168 | DAV_HEADER_LOCK = (1u << 1), | |
169 | DAV_HEADER_TIMEOUT = (1u << 2) | |
170 | }; | |
171 | ||
172 | static char *xml_entities(const char *s) | |
173 | { | |
174 | struct strbuf buf = STRBUF_INIT; | |
175 | while (*s) { | |
176 | size_t len = strcspn(s, "\"<>&"); | |
177 | strbuf_add(&buf, s, len); | |
178 | s += len; | |
179 | switch (*s) { | |
180 | case '"': | |
181 | strbuf_addstr(&buf, """); | |
182 | break; | |
183 | case '<': | |
184 | strbuf_addstr(&buf, "<"); | |
185 | break; | |
186 | case '>': | |
187 | strbuf_addstr(&buf, ">"); | |
188 | break; | |
189 | case '&': | |
190 | strbuf_addstr(&buf, "&"); | |
191 | break; | |
192 | case 0: | |
193 | return strbuf_detach(&buf, NULL); | |
194 | } | |
195 | s++; | |
196 | } | |
197 | return strbuf_detach(&buf, NULL); | |
198 | } | |
199 | ||
200 | static void curl_setup_http_get(CURL *curl, const char *url, | |
201 | const char *custom_req) | |
202 | { | |
203 | curl_easy_setopt(curl, CURLOPT_HTTPGET, 1); | |
204 | curl_easy_setopt(curl, CURLOPT_URL, url); | |
205 | curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, custom_req); | |
206 | curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
207 | } | |
208 | ||
209 | static void curl_setup_http(CURL *curl, const char *url, | |
210 | const char *custom_req, struct buffer *buffer, | |
211 | curl_write_callback write_fn) | |
212 | { | |
213 | curl_easy_setopt(curl, CURLOPT_PUT, 1); | |
214 | curl_easy_setopt(curl, CURLOPT_URL, url); | |
215 | curl_easy_setopt(curl, CURLOPT_INFILE, buffer); | |
216 | curl_easy_setopt(curl, CURLOPT_INFILESIZE, buffer->buf.len); | |
217 | curl_easy_setopt(curl, CURLOPT_READFUNCTION, fread_buffer); | |
218 | #ifndef NO_CURL_IOCTL | |
219 | curl_easy_setopt(curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer); | |
220 | curl_easy_setopt(curl, CURLOPT_IOCTLDATA, &buffer); | |
221 | #endif | |
222 | curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_fn); | |
223 | curl_easy_setopt(curl, CURLOPT_NOBODY, 0); | |
224 | curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, custom_req); | |
225 | curl_easy_setopt(curl, CURLOPT_UPLOAD, 1); | |
226 | } | |
227 | ||
228 | static struct curl_slist *get_dav_token_headers(struct remote_lock *lock, enum dav_header_flag options) | |
229 | { | |
230 | struct strbuf buf = STRBUF_INIT; | |
231 | struct curl_slist *dav_headers = NULL; | |
232 | ||
233 | if (options & DAV_HEADER_IF) { | |
234 | strbuf_addf(&buf, "If: (<%s>)", lock->token); | |
235 | dav_headers = curl_slist_append(dav_headers, buf.buf); | |
236 | strbuf_reset(&buf); | |
237 | } | |
238 | if (options & DAV_HEADER_LOCK) { | |
239 | strbuf_addf(&buf, "Lock-Token: <%s>", lock->token); | |
240 | dav_headers = curl_slist_append(dav_headers, buf.buf); | |
241 | strbuf_reset(&buf); | |
242 | } | |
243 | if (options & DAV_HEADER_TIMEOUT) { | |
244 | strbuf_addf(&buf, "Timeout: Second-%ld", lock->timeout); | |
245 | dav_headers = curl_slist_append(dav_headers, buf.buf); | |
246 | strbuf_reset(&buf); | |
247 | } | |
248 | strbuf_release(&buf); | |
249 | ||
250 | return dav_headers; | |
251 | } | |
252 | ||
253 | static void finish_request(struct transfer_request *request); | |
254 | static void release_request(struct transfer_request *request); | |
255 | ||
256 | static void process_response(void *callback_data) | |
257 | { | |
258 | struct transfer_request *request = | |
259 | (struct transfer_request *)callback_data; | |
260 | ||
261 | finish_request(request); | |
262 | } | |
263 | ||
264 | #ifdef USE_CURL_MULTI | |
265 | ||
266 | static void start_fetch_loose(struct transfer_request *request) | |
267 | { | |
268 | struct active_request_slot *slot; | |
269 | struct http_object_request *obj_req; | |
270 | ||
271 | obj_req = new_http_object_request(repo->url, request->obj->sha1); | |
272 | if (obj_req == NULL) { | |
273 | request->state = ABORTED; | |
274 | return; | |
275 | } | |
276 | ||
277 | slot = obj_req->slot; | |
278 | slot->callback_func = process_response; | |
279 | slot->callback_data = request; | |
280 | request->slot = slot; | |
281 | request->userData = obj_req; | |
282 | ||
283 | /* Try to get the request started, abort the request on error */ | |
284 | request->state = RUN_FETCH_LOOSE; | |
285 | if (!start_active_slot(slot)) { | |
286 | fprintf(stderr, "Unable to start GET request\n"); | |
287 | repo->can_update_info_refs = 0; | |
288 | release_http_object_request(obj_req); | |
289 | release_request(request); | |
290 | } | |
291 | } | |
292 | ||
293 | static void start_mkcol(struct transfer_request *request) | |
294 | { | |
295 | char *hex = sha1_to_hex(request->obj->sha1); | |
296 | struct active_request_slot *slot; | |
297 | ||
298 | request->url = get_remote_object_url(repo->url, hex, 1); | |
299 | ||
300 | slot = get_active_slot(); | |
301 | slot->callback_func = process_response; | |
302 | slot->callback_data = request; | |
303 | curl_setup_http_get(slot->curl, request->url, DAV_MKCOL); | |
304 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr); | |
305 | ||
306 | if (start_active_slot(slot)) { | |
307 | request->slot = slot; | |
308 | request->state = RUN_MKCOL; | |
309 | } else { | |
310 | request->state = ABORTED; | |
311 | free(request->url); | |
312 | request->url = NULL; | |
313 | } | |
314 | } | |
315 | #endif | |
316 | ||
317 | static void start_fetch_packed(struct transfer_request *request) | |
318 | { | |
319 | struct packed_git *target; | |
320 | ||
321 | struct transfer_request *check_request = request_queue_head; | |
322 | struct http_pack_request *preq; | |
323 | ||
324 | target = find_sha1_pack(request->obj->sha1, repo->packs); | |
325 | if (!target) { | |
326 | fprintf(stderr, "Unable to fetch %s, will not be able to update server info refs\n", sha1_to_hex(request->obj->sha1)); | |
327 | repo->can_update_info_refs = 0; | |
328 | release_request(request); | |
329 | return; | |
330 | } | |
331 | ||
332 | fprintf(stderr, "Fetching pack %s\n", sha1_to_hex(target->sha1)); | |
333 | fprintf(stderr, " which contains %s\n", sha1_to_hex(request->obj->sha1)); | |
334 | ||
335 | preq = new_http_pack_request(target, repo->url); | |
336 | if (preq == NULL) { | |
337 | release_http_pack_request(preq); | |
338 | repo->can_update_info_refs = 0; | |
339 | return; | |
340 | } | |
341 | preq->lst = &repo->packs; | |
342 | ||
343 | /* Make sure there isn't another open request for this pack */ | |
344 | while (check_request) { | |
345 | if (check_request->state == RUN_FETCH_PACKED && | |
346 | !strcmp(check_request->url, preq->url)) { | |
347 | release_http_pack_request(preq); | |
348 | release_request(request); | |
349 | return; | |
350 | } | |
351 | check_request = check_request->next; | |
352 | } | |
353 | ||
354 | preq->slot->callback_func = process_response; | |
355 | preq->slot->callback_data = request; | |
356 | request->slot = preq->slot; | |
357 | request->userData = preq; | |
358 | ||
359 | /* Try to get the request started, abort the request on error */ | |
360 | request->state = RUN_FETCH_PACKED; | |
361 | if (!start_active_slot(preq->slot)) { | |
362 | fprintf(stderr, "Unable to start GET request\n"); | |
363 | release_http_pack_request(preq); | |
364 | repo->can_update_info_refs = 0; | |
365 | release_request(request); | |
366 | } | |
367 | } | |
368 | ||
369 | static void start_put(struct transfer_request *request) | |
370 | { | |
371 | char *hex = sha1_to_hex(request->obj->sha1); | |
372 | struct active_request_slot *slot; | |
373 | struct strbuf buf = STRBUF_INIT; | |
374 | enum object_type type; | |
375 | char hdr[50]; | |
376 | void *unpacked; | |
377 | unsigned long len; | |
378 | int hdrlen; | |
379 | ssize_t size; | |
380 | git_zstream stream; | |
381 | ||
382 | unpacked = read_sha1_file(request->obj->sha1, &type, &len); | |
383 | hdrlen = sprintf(hdr, "%s %lu", typename(type), len) + 1; | |
384 | ||
385 | /* Set it up */ | |
386 | memset(&stream, 0, sizeof(stream)); | |
387 | git_deflate_init(&stream, zlib_compression_level); | |
388 | size = git_deflate_bound(&stream, len + hdrlen); | |
389 | strbuf_init(&request->buffer.buf, size); | |
390 | request->buffer.posn = 0; | |
391 | ||
392 | /* Compress it */ | |
393 | stream.next_out = (unsigned char *)request->buffer.buf.buf; | |
394 | stream.avail_out = size; | |
395 | ||
396 | /* First header.. */ | |
397 | stream.next_in = (void *)hdr; | |
398 | stream.avail_in = hdrlen; | |
399 | while (git_deflate(&stream, 0) == Z_OK) | |
400 | ; /* nothing */ | |
401 | ||
402 | /* Then the data itself.. */ | |
403 | stream.next_in = unpacked; | |
404 | stream.avail_in = len; | |
405 | while (git_deflate(&stream, Z_FINISH) == Z_OK) | |
406 | ; /* nothing */ | |
407 | git_deflate_end(&stream); | |
408 | free(unpacked); | |
409 | ||
410 | request->buffer.buf.len = stream.total_out; | |
411 | ||
412 | strbuf_addstr(&buf, "Destination: "); | |
413 | append_remote_object_url(&buf, repo->url, hex, 0); | |
414 | request->dest = strbuf_detach(&buf, NULL); | |
415 | ||
416 | append_remote_object_url(&buf, repo->url, hex, 0); | |
417 | strbuf_add(&buf, request->lock->tmpfile_suffix, 41); | |
418 | request->url = strbuf_detach(&buf, NULL); | |
419 | ||
420 | slot = get_active_slot(); | |
421 | slot->callback_func = process_response; | |
422 | slot->callback_data = request; | |
423 | curl_setup_http(slot->curl, request->url, DAV_PUT, | |
424 | &request->buffer, fwrite_null); | |
425 | ||
426 | if (start_active_slot(slot)) { | |
427 | request->slot = slot; | |
428 | request->state = RUN_PUT; | |
429 | } else { | |
430 | request->state = ABORTED; | |
431 | free(request->url); | |
432 | request->url = NULL; | |
433 | } | |
434 | } | |
435 | ||
436 | static void start_move(struct transfer_request *request) | |
437 | { | |
438 | struct active_request_slot *slot; | |
439 | struct curl_slist *dav_headers = NULL; | |
440 | ||
441 | slot = get_active_slot(); | |
442 | slot->callback_func = process_response; | |
443 | slot->callback_data = request; | |
444 | curl_setup_http_get(slot->curl, request->url, DAV_MOVE); | |
445 | dav_headers = curl_slist_append(dav_headers, request->dest); | |
446 | dav_headers = curl_slist_append(dav_headers, "Overwrite: T"); | |
447 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
448 | ||
449 | if (start_active_slot(slot)) { | |
450 | request->slot = slot; | |
451 | request->state = RUN_MOVE; | |
452 | } else { | |
453 | request->state = ABORTED; | |
454 | free(request->url); | |
455 | request->url = NULL; | |
456 | } | |
457 | } | |
458 | ||
459 | static int refresh_lock(struct remote_lock *lock) | |
460 | { | |
461 | struct active_request_slot *slot; | |
462 | struct slot_results results; | |
463 | struct curl_slist *dav_headers; | |
464 | int rc = 0; | |
465 | ||
466 | lock->refreshing = 1; | |
467 | ||
468 | dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF | DAV_HEADER_TIMEOUT); | |
469 | ||
470 | slot = get_active_slot(); | |
471 | slot->results = &results; | |
472 | curl_setup_http_get(slot->curl, lock->url, DAV_LOCK); | |
473 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
474 | ||
475 | if (start_active_slot(slot)) { | |
476 | run_active_slot(slot); | |
477 | if (results.curl_result != CURLE_OK) { | |
478 | fprintf(stderr, "LOCK HTTP error %ld\n", | |
479 | results.http_code); | |
480 | } else { | |
481 | lock->start_time = time(NULL); | |
482 | rc = 1; | |
483 | } | |
484 | } | |
485 | ||
486 | lock->refreshing = 0; | |
487 | curl_slist_free_all(dav_headers); | |
488 | ||
489 | return rc; | |
490 | } | |
491 | ||
492 | static void check_locks(void) | |
493 | { | |
494 | struct remote_lock *lock = repo->locks; | |
495 | time_t current_time = time(NULL); | |
496 | int time_remaining; | |
497 | ||
498 | while (lock) { | |
499 | time_remaining = lock->start_time + lock->timeout - | |
500 | current_time; | |
501 | if (!lock->refreshing && time_remaining < LOCK_REFRESH) { | |
502 | if (!refresh_lock(lock)) { | |
503 | fprintf(stderr, | |
504 | "Unable to refresh lock for %s\n", | |
505 | lock->url); | |
506 | aborted = 1; | |
507 | return; | |
508 | } | |
509 | } | |
510 | lock = lock->next; | |
511 | } | |
512 | } | |
513 | ||
514 | static void release_request(struct transfer_request *request) | |
515 | { | |
516 | struct transfer_request *entry = request_queue_head; | |
517 | ||
518 | if (request == request_queue_head) { | |
519 | request_queue_head = request->next; | |
520 | } else { | |
521 | while (entry->next != NULL && entry->next != request) | |
522 | entry = entry->next; | |
523 | if (entry->next == request) | |
524 | entry->next = entry->next->next; | |
525 | } | |
526 | ||
527 | free(request->url); | |
528 | free(request); | |
529 | } | |
530 | ||
531 | static void finish_request(struct transfer_request *request) | |
532 | { | |
533 | struct http_pack_request *preq; | |
534 | struct http_object_request *obj_req; | |
535 | ||
536 | request->curl_result = request->slot->curl_result; | |
537 | request->http_code = request->slot->http_code; | |
538 | request->slot = NULL; | |
539 | ||
540 | /* Keep locks active */ | |
541 | check_locks(); | |
542 | ||
543 | if (request->headers != NULL) | |
544 | curl_slist_free_all(request->headers); | |
545 | ||
546 | /* URL is reused for MOVE after PUT */ | |
547 | if (request->state != RUN_PUT) { | |
548 | free(request->url); | |
549 | request->url = NULL; | |
550 | } | |
551 | ||
552 | if (request->state == RUN_MKCOL) { | |
553 | if (request->curl_result == CURLE_OK || | |
554 | request->http_code == 405) { | |
555 | remote_dir_exists[request->obj->sha1[0]] = 1; | |
556 | start_put(request); | |
557 | } else { | |
558 | fprintf(stderr, "MKCOL %s failed, aborting (%d/%ld)\n", | |
559 | sha1_to_hex(request->obj->sha1), | |
560 | request->curl_result, request->http_code); | |
561 | request->state = ABORTED; | |
562 | aborted = 1; | |
563 | } | |
564 | } else if (request->state == RUN_PUT) { | |
565 | if (request->curl_result == CURLE_OK) { | |
566 | start_move(request); | |
567 | } else { | |
568 | fprintf(stderr, "PUT %s failed, aborting (%d/%ld)\n", | |
569 | sha1_to_hex(request->obj->sha1), | |
570 | request->curl_result, request->http_code); | |
571 | request->state = ABORTED; | |
572 | aborted = 1; | |
573 | } | |
574 | } else if (request->state == RUN_MOVE) { | |
575 | if (request->curl_result == CURLE_OK) { | |
576 | if (push_verbosely) | |
577 | fprintf(stderr, " sent %s\n", | |
578 | sha1_to_hex(request->obj->sha1)); | |
579 | request->obj->flags |= REMOTE; | |
580 | release_request(request); | |
581 | } else { | |
582 | fprintf(stderr, "MOVE %s failed, aborting (%d/%ld)\n", | |
583 | sha1_to_hex(request->obj->sha1), | |
584 | request->curl_result, request->http_code); | |
585 | request->state = ABORTED; | |
586 | aborted = 1; | |
587 | } | |
588 | } else if (request->state == RUN_FETCH_LOOSE) { | |
589 | obj_req = (struct http_object_request *)request->userData; | |
590 | ||
591 | if (finish_http_object_request(obj_req) == 0) | |
592 | if (obj_req->rename == 0) | |
593 | request->obj->flags |= (LOCAL | REMOTE); | |
594 | ||
595 | /* Try fetching packed if necessary */ | |
596 | if (request->obj->flags & LOCAL) { | |
597 | release_http_object_request(obj_req); | |
598 | release_request(request); | |
599 | } else | |
600 | start_fetch_packed(request); | |
601 | ||
602 | } else if (request->state == RUN_FETCH_PACKED) { | |
603 | int fail = 1; | |
604 | if (request->curl_result != CURLE_OK) { | |
605 | fprintf(stderr, "Unable to get pack file %s\n%s", | |
606 | request->url, curl_errorstr); | |
607 | } else { | |
608 | preq = (struct http_pack_request *)request->userData; | |
609 | ||
610 | if (preq) { | |
611 | if (finish_http_pack_request(preq) == 0) | |
612 | fail = 0; | |
613 | release_http_pack_request(preq); | |
614 | } | |
615 | } | |
616 | if (fail) | |
617 | repo->can_update_info_refs = 0; | |
618 | release_request(request); | |
619 | } | |
620 | } | |
621 | ||
622 | #ifdef USE_CURL_MULTI | |
623 | static int is_running_queue; | |
624 | static int fill_active_slot(void *unused) | |
625 | { | |
626 | struct transfer_request *request; | |
627 | ||
628 | if (aborted || !is_running_queue) | |
629 | return 0; | |
630 | ||
631 | for (request = request_queue_head; request; request = request->next) { | |
632 | if (request->state == NEED_FETCH) { | |
633 | start_fetch_loose(request); | |
634 | return 1; | |
635 | } else if (pushing && request->state == NEED_PUSH) { | |
636 | if (remote_dir_exists[request->obj->sha1[0]] == 1) { | |
637 | start_put(request); | |
638 | } else { | |
639 | start_mkcol(request); | |
640 | } | |
641 | return 1; | |
642 | } | |
643 | } | |
644 | return 0; | |
645 | } | |
646 | #endif | |
647 | ||
648 | static void get_remote_object_list(unsigned char parent); | |
649 | ||
650 | static void add_fetch_request(struct object *obj) | |
651 | { | |
652 | struct transfer_request *request; | |
653 | ||
654 | check_locks(); | |
655 | ||
656 | /* | |
657 | * Don't fetch the object if it's known to exist locally | |
658 | * or is already in the request queue | |
659 | */ | |
660 | if (remote_dir_exists[obj->sha1[0]] == -1) | |
661 | get_remote_object_list(obj->sha1[0]); | |
662 | if (obj->flags & (LOCAL | FETCHING)) | |
663 | return; | |
664 | ||
665 | obj->flags |= FETCHING; | |
666 | request = xmalloc(sizeof(*request)); | |
667 | request->obj = obj; | |
668 | request->url = NULL; | |
669 | request->lock = NULL; | |
670 | request->headers = NULL; | |
671 | request->state = NEED_FETCH; | |
672 | request->next = request_queue_head; | |
673 | request_queue_head = request; | |
674 | ||
675 | #ifdef USE_CURL_MULTI | |
676 | fill_active_slots(); | |
677 | step_active_slots(); | |
678 | #endif | |
679 | } | |
680 | ||
681 | static int add_send_request(struct object *obj, struct remote_lock *lock) | |
682 | { | |
683 | struct transfer_request *request = request_queue_head; | |
684 | struct packed_git *target; | |
685 | ||
686 | /* Keep locks active */ | |
687 | check_locks(); | |
688 | ||
689 | /* | |
690 | * Don't push the object if it's known to exist on the remote | |
691 | * or is already in the request queue | |
692 | */ | |
693 | if (remote_dir_exists[obj->sha1[0]] == -1) | |
694 | get_remote_object_list(obj->sha1[0]); | |
695 | if (obj->flags & (REMOTE | PUSHING)) | |
696 | return 0; | |
697 | target = find_sha1_pack(obj->sha1, repo->packs); | |
698 | if (target) { | |
699 | obj->flags |= REMOTE; | |
700 | return 0; | |
701 | } | |
702 | ||
703 | obj->flags |= PUSHING; | |
704 | request = xmalloc(sizeof(*request)); | |
705 | request->obj = obj; | |
706 | request->url = NULL; | |
707 | request->lock = lock; | |
708 | request->headers = NULL; | |
709 | request->state = NEED_PUSH; | |
710 | request->next = request_queue_head; | |
711 | request_queue_head = request; | |
712 | ||
713 | #ifdef USE_CURL_MULTI | |
714 | fill_active_slots(); | |
715 | step_active_slots(); | |
716 | #endif | |
717 | ||
718 | return 1; | |
719 | } | |
720 | ||
721 | static int fetch_indices(void) | |
722 | { | |
723 | int ret; | |
724 | ||
725 | if (push_verbosely) | |
726 | fprintf(stderr, "Getting pack list\n"); | |
727 | ||
728 | switch (http_get_info_packs(repo->url, &repo->packs)) { | |
729 | case HTTP_OK: | |
730 | case HTTP_MISSING_TARGET: | |
731 | ret = 0; | |
732 | break; | |
733 | default: | |
734 | ret = -1; | |
735 | } | |
736 | ||
737 | return ret; | |
738 | } | |
739 | ||
740 | static void one_remote_object(const char *hex) | |
741 | { | |
742 | unsigned char sha1[20]; | |
743 | struct object *obj; | |
744 | ||
745 | if (get_sha1_hex(hex, sha1) != 0) | |
746 | return; | |
747 | ||
748 | obj = lookup_object(sha1); | |
749 | if (!obj) | |
750 | obj = parse_object(sha1); | |
751 | ||
752 | /* Ignore remote objects that don't exist locally */ | |
753 | if (!obj) | |
754 | return; | |
755 | ||
756 | obj->flags |= REMOTE; | |
757 | if (!object_list_contains(objects, obj)) | |
758 | object_list_insert(obj, &objects); | |
759 | } | |
760 | ||
761 | static void handle_lockprop_ctx(struct xml_ctx *ctx, int tag_closed) | |
762 | { | |
763 | int *lock_flags = (int *)ctx->userData; | |
764 | ||
765 | if (tag_closed) { | |
766 | if (!strcmp(ctx->name, DAV_CTX_LOCKENTRY)) { | |
767 | if ((*lock_flags & DAV_PROP_LOCKEX) && | |
768 | (*lock_flags & DAV_PROP_LOCKWR)) { | |
769 | *lock_flags |= DAV_LOCK_OK; | |
770 | } | |
771 | *lock_flags &= DAV_LOCK_OK; | |
772 | } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_WRITE)) { | |
773 | *lock_flags |= DAV_PROP_LOCKWR; | |
774 | } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_EXCLUSIVE)) { | |
775 | *lock_flags |= DAV_PROP_LOCKEX; | |
776 | } | |
777 | } | |
778 | } | |
779 | ||
780 | static void handle_new_lock_ctx(struct xml_ctx *ctx, int tag_closed) | |
781 | { | |
782 | struct remote_lock *lock = (struct remote_lock *)ctx->userData; | |
783 | git_SHA_CTX sha_ctx; | |
784 | unsigned char lock_token_sha1[20]; | |
785 | ||
786 | if (tag_closed && ctx->cdata) { | |
787 | if (!strcmp(ctx->name, DAV_ACTIVELOCK_OWNER)) { | |
788 | lock->owner = xmalloc(strlen(ctx->cdata) + 1); | |
789 | strcpy(lock->owner, ctx->cdata); | |
790 | } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TIMEOUT)) { | |
791 | if (!prefixcmp(ctx->cdata, "Second-")) | |
792 | lock->timeout = | |
793 | strtol(ctx->cdata + 7, NULL, 10); | |
794 | } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TOKEN)) { | |
795 | lock->token = xmalloc(strlen(ctx->cdata) + 1); | |
796 | strcpy(lock->token, ctx->cdata); | |
797 | ||
798 | git_SHA1_Init(&sha_ctx); | |
799 | git_SHA1_Update(&sha_ctx, lock->token, strlen(lock->token)); | |
800 | git_SHA1_Final(lock_token_sha1, &sha_ctx); | |
801 | ||
802 | lock->tmpfile_suffix[0] = '_'; | |
803 | memcpy(lock->tmpfile_suffix + 1, sha1_to_hex(lock_token_sha1), 40); | |
804 | } | |
805 | } | |
806 | } | |
807 | ||
808 | static void one_remote_ref(const char *refname); | |
809 | ||
810 | static void | |
811 | xml_start_tag(void *userData, const char *name, const char **atts) | |
812 | { | |
813 | struct xml_ctx *ctx = (struct xml_ctx *)userData; | |
814 | const char *c = strchr(name, ':'); | |
815 | int new_len; | |
816 | ||
817 | if (c == NULL) | |
818 | c = name; | |
819 | else | |
820 | c++; | |
821 | ||
822 | new_len = strlen(ctx->name) + strlen(c) + 2; | |
823 | ||
824 | if (new_len > ctx->len) { | |
825 | ctx->name = xrealloc(ctx->name, new_len); | |
826 | ctx->len = new_len; | |
827 | } | |
828 | strcat(ctx->name, "."); | |
829 | strcat(ctx->name, c); | |
830 | ||
831 | free(ctx->cdata); | |
832 | ctx->cdata = NULL; | |
833 | ||
834 | ctx->userFunc(ctx, 0); | |
835 | } | |
836 | ||
837 | static void | |
838 | xml_end_tag(void *userData, const char *name) | |
839 | { | |
840 | struct xml_ctx *ctx = (struct xml_ctx *)userData; | |
841 | const char *c = strchr(name, ':'); | |
842 | char *ep; | |
843 | ||
844 | ctx->userFunc(ctx, 1); | |
845 | ||
846 | if (c == NULL) | |
847 | c = name; | |
848 | else | |
849 | c++; | |
850 | ||
851 | ep = ctx->name + strlen(ctx->name) - strlen(c) - 1; | |
852 | *ep = 0; | |
853 | } | |
854 | ||
855 | static void | |
856 | xml_cdata(void *userData, const XML_Char *s, int len) | |
857 | { | |
858 | struct xml_ctx *ctx = (struct xml_ctx *)userData; | |
859 | free(ctx->cdata); | |
860 | ctx->cdata = xmemdupz(s, len); | |
861 | } | |
862 | ||
863 | static struct remote_lock *lock_remote(const char *path, long timeout) | |
864 | { | |
865 | struct active_request_slot *slot; | |
866 | struct slot_results results; | |
867 | struct buffer out_buffer = { STRBUF_INIT, 0 }; | |
868 | struct strbuf in_buffer = STRBUF_INIT; | |
869 | char *url; | |
870 | char *ep; | |
871 | char timeout_header[25]; | |
872 | struct remote_lock *lock = NULL; | |
873 | struct curl_slist *dav_headers = NULL; | |
874 | struct xml_ctx ctx; | |
875 | char *escaped; | |
876 | ||
877 | url = xmalloc(strlen(repo->url) + strlen(path) + 1); | |
878 | sprintf(url, "%s%s", repo->url, path); | |
879 | ||
880 | /* Make sure leading directories exist for the remote ref */ | |
881 | ep = strchr(url + strlen(repo->url) + 1, '/'); | |
882 | while (ep) { | |
883 | char saved_character = ep[1]; | |
884 | ep[1] = '\0'; | |
885 | slot = get_active_slot(); | |
886 | slot->results = &results; | |
887 | curl_setup_http_get(slot->curl, url, DAV_MKCOL); | |
888 | if (start_active_slot(slot)) { | |
889 | run_active_slot(slot); | |
890 | if (results.curl_result != CURLE_OK && | |
891 | results.http_code != 405) { | |
892 | fprintf(stderr, | |
893 | "Unable to create branch path %s\n", | |
894 | url); | |
895 | free(url); | |
896 | return NULL; | |
897 | } | |
898 | } else { | |
899 | fprintf(stderr, "Unable to start MKCOL request\n"); | |
900 | free(url); | |
901 | return NULL; | |
902 | } | |
903 | ep[1] = saved_character; | |
904 | ep = strchr(ep + 1, '/'); | |
905 | } | |
906 | ||
907 | escaped = xml_entities(git_default_email); | |
908 | strbuf_addf(&out_buffer.buf, LOCK_REQUEST, escaped); | |
909 | free(escaped); | |
910 | ||
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"); | |
914 | ||
915 | slot = get_active_slot(); | |
916 | slot->results = &results; | |
917 | curl_setup_http(slot->curl, url, DAV_LOCK, &out_buffer, fwrite_buffer); | |
918 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
919 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
920 | ||
921 | lock = xcalloc(1, sizeof(*lock)); | |
922 | lock->timeout = -1; | |
923 | ||
924 | if (start_active_slot(slot)) { | |
925 | run_active_slot(slot); | |
926 | if (results.curl_result == CURLE_OK) { | |
927 | XML_Parser parser = XML_ParserCreate(NULL); | |
928 | enum XML_Status result; | |
929 | ctx.name = xcalloc(10, 1); | |
930 | ctx.len = 0; | |
931 | ctx.cdata = NULL; | |
932 | ctx.userFunc = handle_new_lock_ctx; | |
933 | ctx.userData = lock; | |
934 | XML_SetUserData(parser, &ctx); | |
935 | XML_SetElementHandler(parser, xml_start_tag, | |
936 | xml_end_tag); | |
937 | XML_SetCharacterDataHandler(parser, xml_cdata); | |
938 | result = XML_Parse(parser, in_buffer.buf, | |
939 | in_buffer.len, 1); | |
940 | free(ctx.name); | |
941 | if (result != XML_STATUS_OK) { | |
942 | fprintf(stderr, "XML error: %s\n", | |
943 | XML_ErrorString( | |
944 | XML_GetErrorCode(parser))); | |
945 | lock->timeout = -1; | |
946 | } | |
947 | XML_ParserFree(parser); | |
948 | } | |
949 | } else { | |
950 | fprintf(stderr, "Unable to start LOCK request\n"); | |
951 | } | |
952 | ||
953 | curl_slist_free_all(dav_headers); | |
954 | strbuf_release(&out_buffer.buf); | |
955 | strbuf_release(&in_buffer); | |
956 | ||
957 | if (lock->token == NULL || lock->timeout <= 0) { | |
958 | free(lock->token); | |
959 | free(lock->owner); | |
960 | free(url); | |
961 | free(lock); | |
962 | lock = NULL; | |
963 | } else { | |
964 | lock->url = url; | |
965 | lock->start_time = time(NULL); | |
966 | lock->next = repo->locks; | |
967 | repo->locks = lock; | |
968 | } | |
969 | ||
970 | return lock; | |
971 | } | |
972 | ||
973 | static int unlock_remote(struct remote_lock *lock) | |
974 | { | |
975 | struct active_request_slot *slot; | |
976 | struct slot_results results; | |
977 | struct remote_lock *prev = repo->locks; | |
978 | struct curl_slist *dav_headers; | |
979 | int rc = 0; | |
980 | ||
981 | dav_headers = get_dav_token_headers(lock, DAV_HEADER_LOCK); | |
982 | ||
983 | slot = get_active_slot(); | |
984 | slot->results = &results; | |
985 | curl_setup_http_get(slot->curl, lock->url, DAV_UNLOCK); | |
986 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
987 | ||
988 | if (start_active_slot(slot)) { | |
989 | run_active_slot(slot); | |
990 | if (results.curl_result == CURLE_OK) | |
991 | rc = 1; | |
992 | else | |
993 | fprintf(stderr, "UNLOCK HTTP error %ld\n", | |
994 | results.http_code); | |
995 | } else { | |
996 | fprintf(stderr, "Unable to start UNLOCK request\n"); | |
997 | } | |
998 | ||
999 | curl_slist_free_all(dav_headers); | |
1000 | ||
1001 | if (repo->locks == lock) { | |
1002 | repo->locks = lock->next; | |
1003 | } else { | |
1004 | while (prev && prev->next != lock) | |
1005 | prev = prev->next; | |
1006 | if (prev) | |
1007 | prev->next = prev->next->next; | |
1008 | } | |
1009 | ||
1010 | free(lock->owner); | |
1011 | free(lock->url); | |
1012 | free(lock->token); | |
1013 | free(lock); | |
1014 | ||
1015 | return rc; | |
1016 | } | |
1017 | ||
1018 | static void remove_locks(void) | |
1019 | { | |
1020 | struct remote_lock *lock = repo->locks; | |
1021 | ||
1022 | fprintf(stderr, "Removing remote locks...\n"); | |
1023 | while (lock) { | |
1024 | struct remote_lock *next = lock->next; | |
1025 | unlock_remote(lock); | |
1026 | lock = next; | |
1027 | } | |
1028 | } | |
1029 | ||
1030 | static void remove_locks_on_signal(int signo) | |
1031 | { | |
1032 | remove_locks(); | |
1033 | sigchain_pop(signo); | |
1034 | raise(signo); | |
1035 | } | |
1036 | ||
1037 | static void remote_ls(const char *path, int flags, | |
1038 | void (*userFunc)(struct remote_ls_ctx *ls), | |
1039 | void *userData); | |
1040 | ||
1041 | static void process_ls_object(struct remote_ls_ctx *ls) | |
1042 | { | |
1043 | unsigned int *parent = (unsigned int *)ls->userData; | |
1044 | char *path = ls->dentry_name; | |
1045 | char *obj_hex; | |
1046 | ||
1047 | if (!strcmp(ls->path, ls->dentry_name) && (ls->flags & IS_DIR)) { | |
1048 | remote_dir_exists[*parent] = 1; | |
1049 | return; | |
1050 | } | |
1051 | ||
1052 | if (strlen(path) != 49) | |
1053 | return; | |
1054 | path += 8; | |
1055 | obj_hex = xmalloc(strlen(path)); | |
1056 | /* NB: path is not null-terminated, can not use strlcpy here */ | |
1057 | memcpy(obj_hex, path, 2); | |
1058 | strcpy(obj_hex + 2, path + 3); | |
1059 | one_remote_object(obj_hex); | |
1060 | free(obj_hex); | |
1061 | } | |
1062 | ||
1063 | static void process_ls_ref(struct remote_ls_ctx *ls) | |
1064 | { | |
1065 | if (!strcmp(ls->path, ls->dentry_name) && (ls->dentry_flags & IS_DIR)) { | |
1066 | fprintf(stderr, " %s\n", ls->dentry_name); | |
1067 | return; | |
1068 | } | |
1069 | ||
1070 | if (!(ls->dentry_flags & IS_DIR)) | |
1071 | one_remote_ref(ls->dentry_name); | |
1072 | } | |
1073 | ||
1074 | static void handle_remote_ls_ctx(struct xml_ctx *ctx, int tag_closed) | |
1075 | { | |
1076 | struct remote_ls_ctx *ls = (struct remote_ls_ctx *)ctx->userData; | |
1077 | ||
1078 | if (tag_closed) { | |
1079 | if (!strcmp(ctx->name, DAV_PROPFIND_RESP) && ls->dentry_name) { | |
1080 | if (ls->dentry_flags & IS_DIR) { | |
1081 | ||
1082 | /* ensure collection names end with slash */ | |
1083 | str_end_url_with_slash(ls->dentry_name, &ls->dentry_name); | |
1084 | ||
1085 | if (ls->flags & PROCESS_DIRS) { | |
1086 | ls->userFunc(ls); | |
1087 | } | |
1088 | if (strcmp(ls->dentry_name, ls->path) && | |
1089 | ls->flags & RECURSIVE) { | |
1090 | remote_ls(ls->dentry_name, | |
1091 | ls->flags, | |
1092 | ls->userFunc, | |
1093 | ls->userData); | |
1094 | } | |
1095 | } else if (ls->flags & PROCESS_FILES) { | |
1096 | ls->userFunc(ls); | |
1097 | } | |
1098 | } else if (!strcmp(ctx->name, DAV_PROPFIND_NAME) && ctx->cdata) { | |
1099 | char *path = ctx->cdata; | |
1100 | if (*ctx->cdata == 'h') { | |
1101 | path = strstr(path, "//"); | |
1102 | if (path) { | |
1103 | path = strchr(path+2, '/'); | |
1104 | } | |
1105 | } | |
1106 | if (path) { | |
1107 | const char *url = repo->url; | |
1108 | if (repo->path) | |
1109 | url = repo->path; | |
1110 | if (strncmp(path, url, repo->path_len)) | |
1111 | error("Parsed path '%s' does not match url: '%s'\n", | |
1112 | path, url); | |
1113 | else { | |
1114 | path += repo->path_len; | |
1115 | ls->dentry_name = xstrdup(path); | |
1116 | } | |
1117 | } | |
1118 | } else if (!strcmp(ctx->name, DAV_PROPFIND_COLLECTION)) { | |
1119 | ls->dentry_flags |= IS_DIR; | |
1120 | } | |
1121 | } else if (!strcmp(ctx->name, DAV_PROPFIND_RESP)) { | |
1122 | free(ls->dentry_name); | |
1123 | ls->dentry_name = NULL; | |
1124 | ls->dentry_flags = 0; | |
1125 | } | |
1126 | } | |
1127 | ||
1128 | /* | |
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). | |
1133 | */ | |
1134 | static void remote_ls(const char *path, int flags, | |
1135 | void (*userFunc)(struct remote_ls_ctx *ls), | |
1136 | void *userData) | |
1137 | { | |
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; | |
1144 | struct xml_ctx ctx; | |
1145 | struct remote_ls_ctx ls; | |
1146 | ||
1147 | ls.flags = flags; | |
1148 | ls.path = xstrdup(path); | |
1149 | ls.dentry_name = NULL; | |
1150 | ls.dentry_flags = 0; | |
1151 | ls.userData = userData; | |
1152 | ls.userFunc = userFunc; | |
1153 | ||
1154 | sprintf(url, "%s%s", repo->url, path); | |
1155 | ||
1156 | strbuf_addf(&out_buffer.buf, PROPFIND_ALL_REQUEST); | |
1157 | ||
1158 | dav_headers = curl_slist_append(dav_headers, "Depth: 1"); | |
1159 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1160 | ||
1161 | slot = get_active_slot(); | |
1162 | slot->results = &results; | |
1163 | curl_setup_http(slot->curl, url, DAV_PROPFIND, | |
1164 | &out_buffer, fwrite_buffer); | |
1165 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1166 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
1167 | ||
1168 | if (start_active_slot(slot)) { | |
1169 | run_active_slot(slot); | |
1170 | if (results.curl_result == CURLE_OK) { | |
1171 | XML_Parser parser = XML_ParserCreate(NULL); | |
1172 | enum XML_Status result; | |
1173 | ctx.name = xcalloc(10, 1); | |
1174 | ctx.len = 0; | |
1175 | ctx.cdata = NULL; | |
1176 | ctx.userFunc = handle_remote_ls_ctx; | |
1177 | ctx.userData = &ls; | |
1178 | XML_SetUserData(parser, &ctx); | |
1179 | XML_SetElementHandler(parser, xml_start_tag, | |
1180 | xml_end_tag); | |
1181 | XML_SetCharacterDataHandler(parser, xml_cdata); | |
1182 | result = XML_Parse(parser, in_buffer.buf, | |
1183 | in_buffer.len, 1); | |
1184 | free(ctx.name); | |
1185 | ||
1186 | if (result != XML_STATUS_OK) { | |
1187 | fprintf(stderr, "XML error: %s\n", | |
1188 | XML_ErrorString( | |
1189 | XML_GetErrorCode(parser))); | |
1190 | } | |
1191 | XML_ParserFree(parser); | |
1192 | } | |
1193 | } else { | |
1194 | fprintf(stderr, "Unable to start PROPFIND request\n"); | |
1195 | } | |
1196 | ||
1197 | free(ls.path); | |
1198 | free(url); | |
1199 | strbuf_release(&out_buffer.buf); | |
1200 | strbuf_release(&in_buffer); | |
1201 | curl_slist_free_all(dav_headers); | |
1202 | } | |
1203 | ||
1204 | static void get_remote_object_list(unsigned char parent) | |
1205 | { | |
1206 | char path[] = "objects/XX/"; | |
1207 | static const char hex[] = "0123456789abcdef"; | |
1208 | unsigned int val = parent; | |
1209 | ||
1210 | path[8] = hex[val >> 4]; | |
1211 | path[9] = hex[val & 0xf]; | |
1212 | remote_dir_exists[val] = 0; | |
1213 | remote_ls(path, (PROCESS_FILES | PROCESS_DIRS), | |
1214 | process_ls_object, &val); | |
1215 | } | |
1216 | ||
1217 | static int locking_available(void) | |
1218 | { | |
1219 | struct active_request_slot *slot; | |
1220 | struct slot_results results; | |
1221 | struct strbuf in_buffer = STRBUF_INIT; | |
1222 | struct buffer out_buffer = { STRBUF_INIT, 0 }; | |
1223 | struct curl_slist *dav_headers = NULL; | |
1224 | struct xml_ctx ctx; | |
1225 | int lock_flags = 0; | |
1226 | char *escaped; | |
1227 | ||
1228 | escaped = xml_entities(repo->url); | |
1229 | strbuf_addf(&out_buffer.buf, PROPFIND_SUPPORTEDLOCK_REQUEST, escaped); | |
1230 | free(escaped); | |
1231 | ||
1232 | dav_headers = curl_slist_append(dav_headers, "Depth: 0"); | |
1233 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1234 | ||
1235 | slot = get_active_slot(); | |
1236 | slot->results = &results; | |
1237 | curl_setup_http(slot->curl, repo->url, DAV_PROPFIND, | |
1238 | &out_buffer, fwrite_buffer); | |
1239 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1240 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
1241 | ||
1242 | if (start_active_slot(slot)) { | |
1243 | run_active_slot(slot); | |
1244 | if (results.curl_result == CURLE_OK) { | |
1245 | XML_Parser parser = XML_ParserCreate(NULL); | |
1246 | enum XML_Status result; | |
1247 | ctx.name = xcalloc(10, 1); | |
1248 | ctx.len = 0; | |
1249 | ctx.cdata = NULL; | |
1250 | ctx.userFunc = handle_lockprop_ctx; | |
1251 | ctx.userData = &lock_flags; | |
1252 | XML_SetUserData(parser, &ctx); | |
1253 | XML_SetElementHandler(parser, xml_start_tag, | |
1254 | xml_end_tag); | |
1255 | result = XML_Parse(parser, in_buffer.buf, | |
1256 | in_buffer.len, 1); | |
1257 | free(ctx.name); | |
1258 | ||
1259 | if (result != XML_STATUS_OK) { | |
1260 | fprintf(stderr, "XML error: %s\n", | |
1261 | XML_ErrorString( | |
1262 | XML_GetErrorCode(parser))); | |
1263 | lock_flags = 0; | |
1264 | } | |
1265 | XML_ParserFree(parser); | |
1266 | if (!lock_flags) | |
1267 | error("no DAV locking support on %s", | |
1268 | repo->url); | |
1269 | ||
1270 | } else { | |
1271 | error("Cannot access URL %s, return code %d", | |
1272 | repo->url, results.curl_result); | |
1273 | lock_flags = 0; | |
1274 | } | |
1275 | } else { | |
1276 | error("Unable to start PROPFIND request on %s", repo->url); | |
1277 | } | |
1278 | ||
1279 | strbuf_release(&out_buffer.buf); | |
1280 | strbuf_release(&in_buffer); | |
1281 | curl_slist_free_all(dav_headers); | |
1282 | ||
1283 | return lock_flags; | |
1284 | } | |
1285 | ||
1286 | static struct object_list **add_one_object(struct object *obj, struct object_list **p) | |
1287 | { | |
1288 | struct object_list *entry = xmalloc(sizeof(struct object_list)); | |
1289 | entry->item = obj; | |
1290 | entry->next = *p; | |
1291 | *p = entry; | |
1292 | return &entry->next; | |
1293 | } | |
1294 | ||
1295 | static struct object_list **process_blob(struct blob *blob, | |
1296 | struct object_list **p, | |
1297 | struct name_path *path, | |
1298 | const char *name) | |
1299 | { | |
1300 | struct object *obj = &blob->object; | |
1301 | ||
1302 | obj->flags |= LOCAL; | |
1303 | ||
1304 | if (obj->flags & (UNINTERESTING | SEEN)) | |
1305 | return p; | |
1306 | ||
1307 | obj->flags |= SEEN; | |
1308 | return add_one_object(obj, p); | |
1309 | } | |
1310 | ||
1311 | static struct object_list **process_tree(struct tree *tree, | |
1312 | struct object_list **p, | |
1313 | struct name_path *path, | |
1314 | const char *name) | |
1315 | { | |
1316 | struct object *obj = &tree->object; | |
1317 | struct tree_desc desc; | |
1318 | struct name_entry entry; | |
1319 | struct name_path me; | |
1320 | ||
1321 | obj->flags |= LOCAL; | |
1322 | ||
1323 | if (obj->flags & (UNINTERESTING | SEEN)) | |
1324 | return p; | |
1325 | if (parse_tree(tree) < 0) | |
1326 | die("bad tree object %s", sha1_to_hex(obj->sha1)); | |
1327 | ||
1328 | obj->flags |= SEEN; | |
1329 | name = xstrdup(name); | |
1330 | p = add_one_object(obj, p); | |
1331 | me.up = path; | |
1332 | me.elem = name; | |
1333 | me.elem_len = strlen(name); | |
1334 | ||
1335 | init_tree_desc(&desc, tree->buffer, tree->size); | |
1336 | ||
1337 | while (tree_entry(&desc, &entry)) | |
1338 | switch (object_type(entry.mode)) { | |
1339 | case OBJ_TREE: | |
1340 | p = process_tree(lookup_tree(entry.sha1), p, &me, name); | |
1341 | break; | |
1342 | case OBJ_BLOB: | |
1343 | p = process_blob(lookup_blob(entry.sha1), p, &me, name); | |
1344 | break; | |
1345 | default: | |
1346 | /* Subproject commit - not in this repository */ | |
1347 | break; | |
1348 | } | |
1349 | ||
1350 | free(tree->buffer); | |
1351 | tree->buffer = NULL; | |
1352 | return p; | |
1353 | } | |
1354 | ||
1355 | static int get_delta(struct rev_info *revs, struct remote_lock *lock) | |
1356 | { | |
1357 | int i; | |
1358 | struct commit *commit; | |
1359 | struct object_list **p = &objects; | |
1360 | int count = 0; | |
1361 | ||
1362 | while ((commit = get_revision(revs)) != NULL) { | |
1363 | p = process_tree(commit->tree, p, NULL, ""); | |
1364 | commit->object.flags |= LOCAL; | |
1365 | if (!(commit->object.flags & UNINTERESTING)) | |
1366 | count += add_send_request(&commit->object, lock); | |
1367 | } | |
1368 | ||
1369 | for (i = 0; i < revs->pending.nr; i++) { | |
1370 | struct object_array_entry *entry = revs->pending.objects + i; | |
1371 | struct object *obj = entry->item; | |
1372 | const char *name = entry->name; | |
1373 | ||
1374 | if (obj->flags & (UNINTERESTING | SEEN)) | |
1375 | continue; | |
1376 | if (obj->type == OBJ_TAG) { | |
1377 | obj->flags |= SEEN; | |
1378 | p = add_one_object(obj, p); | |
1379 | continue; | |
1380 | } | |
1381 | if (obj->type == OBJ_TREE) { | |
1382 | p = process_tree((struct tree *)obj, p, NULL, name); | |
1383 | continue; | |
1384 | } | |
1385 | if (obj->type == OBJ_BLOB) { | |
1386 | p = process_blob((struct blob *)obj, p, NULL, name); | |
1387 | continue; | |
1388 | } | |
1389 | die("unknown pending object %s (%s)", sha1_to_hex(obj->sha1), name); | |
1390 | } | |
1391 | ||
1392 | while (objects) { | |
1393 | if (!(objects->item->flags & UNINTERESTING)) | |
1394 | count += add_send_request(objects->item, lock); | |
1395 | objects = objects->next; | |
1396 | } | |
1397 | ||
1398 | return count; | |
1399 | } | |
1400 | ||
1401 | static int update_remote(unsigned char *sha1, struct remote_lock *lock) | |
1402 | { | |
1403 | struct active_request_slot *slot; | |
1404 | struct slot_results results; | |
1405 | struct buffer out_buffer = { STRBUF_INIT, 0 }; | |
1406 | struct curl_slist *dav_headers; | |
1407 | ||
1408 | dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF); | |
1409 | ||
1410 | strbuf_addf(&out_buffer.buf, "%s\n", sha1_to_hex(sha1)); | |
1411 | ||
1412 | slot = get_active_slot(); | |
1413 | slot->results = &results; | |
1414 | curl_setup_http(slot->curl, lock->url, DAV_PUT, | |
1415 | &out_buffer, fwrite_null); | |
1416 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1417 | ||
1418 | if (start_active_slot(slot)) { | |
1419 | run_active_slot(slot); | |
1420 | strbuf_release(&out_buffer.buf); | |
1421 | if (results.curl_result != CURLE_OK) { | |
1422 | fprintf(stderr, | |
1423 | "PUT error: curl result=%d, HTTP code=%ld\n", | |
1424 | results.curl_result, results.http_code); | |
1425 | /* We should attempt recovery? */ | |
1426 | return 0; | |
1427 | } | |
1428 | } else { | |
1429 | strbuf_release(&out_buffer.buf); | |
1430 | fprintf(stderr, "Unable to start PUT request\n"); | |
1431 | return 0; | |
1432 | } | |
1433 | ||
1434 | return 1; | |
1435 | } | |
1436 | ||
1437 | static struct ref *remote_refs; | |
1438 | ||
1439 | static void one_remote_ref(const char *refname) | |
1440 | { | |
1441 | struct ref *ref; | |
1442 | struct object *obj; | |
1443 | ||
1444 | ref = alloc_ref(refname); | |
1445 | ||
1446 | if (http_fetch_ref(repo->url, ref) != 0) { | |
1447 | fprintf(stderr, | |
1448 | "Unable to fetch ref %s from %s\n", | |
1449 | refname, repo->url); | |
1450 | free(ref); | |
1451 | return; | |
1452 | } | |
1453 | ||
1454 | /* | |
1455 | * Fetch a copy of the object if it doesn't exist locally - it | |
1456 | * may be required for updating server info later. | |
1457 | */ | |
1458 | if (repo->can_update_info_refs && !has_sha1_file(ref->old_sha1)) { | |
1459 | obj = lookup_unknown_object(ref->old_sha1); | |
1460 | if (obj) { | |
1461 | fprintf(stderr, " fetch %s for %s\n", | |
1462 | sha1_to_hex(ref->old_sha1), refname); | |
1463 | add_fetch_request(obj); | |
1464 | } | |
1465 | } | |
1466 | ||
1467 | ref->next = remote_refs; | |
1468 | remote_refs = ref; | |
1469 | } | |
1470 | ||
1471 | static void get_dav_remote_heads(void) | |
1472 | { | |
1473 | remote_ls("refs/", (PROCESS_FILES | PROCESS_DIRS | RECURSIVE), process_ls_ref, NULL); | |
1474 | } | |
1475 | ||
1476 | static void add_remote_info_ref(struct remote_ls_ctx *ls) | |
1477 | { | |
1478 | struct strbuf *buf = (struct strbuf *)ls->userData; | |
1479 | struct object *o; | |
1480 | int len; | |
1481 | char *ref_info; | |
1482 | struct ref *ref; | |
1483 | ||
1484 | ref = alloc_ref(ls->dentry_name); | |
1485 | ||
1486 | if (http_fetch_ref(repo->url, ref) != 0) { | |
1487 | fprintf(stderr, | |
1488 | "Unable to fetch ref %s from %s\n", | |
1489 | ls->dentry_name, repo->url); | |
1490 | aborted = 1; | |
1491 | free(ref); | |
1492 | return; | |
1493 | } | |
1494 | ||
1495 | o = parse_object(ref->old_sha1); | |
1496 | if (!o) { | |
1497 | fprintf(stderr, | |
1498 | "Unable to parse object %s for remote ref %s\n", | |
1499 | sha1_to_hex(ref->old_sha1), ls->dentry_name); | |
1500 | aborted = 1; | |
1501 | free(ref); | |
1502 | return; | |
1503 | } | |
1504 | ||
1505 | len = strlen(ls->dentry_name) + 42; | |
1506 | ref_info = xcalloc(len + 1, 1); | |
1507 | sprintf(ref_info, "%s %s\n", | |
1508 | sha1_to_hex(ref->old_sha1), ls->dentry_name); | |
1509 | fwrite_buffer(ref_info, 1, len, buf); | |
1510 | free(ref_info); | |
1511 | ||
1512 | if (o->type == OBJ_TAG) { | |
1513 | o = deref_tag(o, ls->dentry_name, 0); | |
1514 | if (o) { | |
1515 | len = strlen(ls->dentry_name) + 45; | |
1516 | ref_info = xcalloc(len + 1, 1); | |
1517 | sprintf(ref_info, "%s %s^{}\n", | |
1518 | sha1_to_hex(o->sha1), ls->dentry_name); | |
1519 | fwrite_buffer(ref_info, 1, len, buf); | |
1520 | free(ref_info); | |
1521 | } | |
1522 | } | |
1523 | free(ref); | |
1524 | } | |
1525 | ||
1526 | static void update_remote_info_refs(struct remote_lock *lock) | |
1527 | { | |
1528 | struct buffer buffer = { STRBUF_INIT, 0 }; | |
1529 | struct active_request_slot *slot; | |
1530 | struct slot_results results; | |
1531 | struct curl_slist *dav_headers; | |
1532 | ||
1533 | remote_ls("refs/", (PROCESS_FILES | RECURSIVE), | |
1534 | add_remote_info_ref, &buffer.buf); | |
1535 | if (!aborted) { | |
1536 | dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF); | |
1537 | ||
1538 | slot = get_active_slot(); | |
1539 | slot->results = &results; | |
1540 | curl_setup_http(slot->curl, lock->url, DAV_PUT, | |
1541 | &buffer, fwrite_null); | |
1542 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1543 | ||
1544 | if (start_active_slot(slot)) { | |
1545 | run_active_slot(slot); | |
1546 | if (results.curl_result != CURLE_OK) { | |
1547 | fprintf(stderr, | |
1548 | "PUT error: curl result=%d, HTTP code=%ld\n", | |
1549 | results.curl_result, results.http_code); | |
1550 | } | |
1551 | } | |
1552 | } | |
1553 | strbuf_release(&buffer.buf); | |
1554 | } | |
1555 | ||
1556 | static int remote_exists(const char *path) | |
1557 | { | |
1558 | char *url = xmalloc(strlen(repo->url) + strlen(path) + 1); | |
1559 | int ret; | |
1560 | ||
1561 | sprintf(url, "%s%s", repo->url, path); | |
1562 | ||
1563 | switch (http_get_strbuf(url, NULL, 0)) { | |
1564 | case HTTP_OK: | |
1565 | ret = 1; | |
1566 | break; | |
1567 | case HTTP_MISSING_TARGET: | |
1568 | ret = 0; | |
1569 | break; | |
1570 | case HTTP_ERROR: | |
1571 | http_error(url, HTTP_ERROR); | |
1572 | default: | |
1573 | ret = -1; | |
1574 | } | |
1575 | free(url); | |
1576 | return ret; | |
1577 | } | |
1578 | ||
1579 | static void fetch_symref(const char *path, char **symref, unsigned char *sha1) | |
1580 | { | |
1581 | char *url; | |
1582 | struct strbuf buffer = STRBUF_INIT; | |
1583 | ||
1584 | url = xmalloc(strlen(repo->url) + strlen(path) + 1); | |
1585 | sprintf(url, "%s%s", repo->url, path); | |
1586 | ||
1587 | if (http_get_strbuf(url, &buffer, 0) != HTTP_OK) | |
1588 | die("Couldn't get %s for remote symref\n%s", url, | |
1589 | curl_errorstr); | |
1590 | free(url); | |
1591 | ||
1592 | free(*symref); | |
1593 | *symref = NULL; | |
1594 | hashclr(sha1); | |
1595 | ||
1596 | if (buffer.len == 0) | |
1597 | return; | |
1598 | ||
1599 | /* If it's a symref, set the refname; otherwise try for a sha1 */ | |
1600 | if (!prefixcmp((char *)buffer.buf, "ref: ")) { | |
1601 | *symref = xmemdupz((char *)buffer.buf + 5, buffer.len - 6); | |
1602 | } else { | |
1603 | get_sha1_hex(buffer.buf, sha1); | |
1604 | } | |
1605 | ||
1606 | strbuf_release(&buffer); | |
1607 | } | |
1608 | ||
1609 | static int verify_merge_base(unsigned char *head_sha1, struct ref *remote) | |
1610 | { | |
1611 | struct commit *head = lookup_commit_or_die(head_sha1, "HEAD"); | |
1612 | struct commit *branch = lookup_commit_or_die(remote->old_sha1, remote->name); | |
1613 | struct commit_list *merge_bases = get_merge_bases(head, branch, 1); | |
1614 | ||
1615 | return (merge_bases && !merge_bases->next && merge_bases->item == branch); | |
1616 | } | |
1617 | ||
1618 | static int delete_remote_branch(const char *pattern, int force) | |
1619 | { | |
1620 | struct ref *refs = remote_refs; | |
1621 | struct ref *remote_ref = NULL; | |
1622 | unsigned char head_sha1[20]; | |
1623 | char *symref = NULL; | |
1624 | int match; | |
1625 | int patlen = strlen(pattern); | |
1626 | int i; | |
1627 | struct active_request_slot *slot; | |
1628 | struct slot_results results; | |
1629 | char *url; | |
1630 | ||
1631 | /* Find the remote branch(es) matching the specified branch name */ | |
1632 | for (match = 0; refs; refs = refs->next) { | |
1633 | char *name = refs->name; | |
1634 | int namelen = strlen(name); | |
1635 | if (namelen < patlen || | |
1636 | memcmp(name + namelen - patlen, pattern, patlen)) | |
1637 | continue; | |
1638 | if (namelen != patlen && name[namelen - patlen - 1] != '/') | |
1639 | continue; | |
1640 | match++; | |
1641 | remote_ref = refs; | |
1642 | } | |
1643 | if (match == 0) | |
1644 | return error("No remote branch matches %s", pattern); | |
1645 | if (match != 1) | |
1646 | return error("More than one remote branch matches %s", | |
1647 | pattern); | |
1648 | ||
1649 | /* | |
1650 | * Remote HEAD must be a symref (not exactly foolproof; a remote | |
1651 | * symlink to a symref will look like a symref) | |
1652 | */ | |
1653 | fetch_symref("HEAD", &symref, head_sha1); | |
1654 | if (!symref) | |
1655 | return error("Remote HEAD is not a symref"); | |
1656 | ||
1657 | /* Remote branch must not be the remote HEAD */ | |
1658 | for (i = 0; symref && i < MAXDEPTH; i++) { | |
1659 | if (!strcmp(remote_ref->name, symref)) | |
1660 | return error("Remote branch %s is the current HEAD", | |
1661 | remote_ref->name); | |
1662 | fetch_symref(symref, &symref, head_sha1); | |
1663 | } | |
1664 | ||
1665 | /* Run extra sanity checks if delete is not forced */ | |
1666 | if (!force) { | |
1667 | /* Remote HEAD must resolve to a known object */ | |
1668 | if (symref) | |
1669 | return error("Remote HEAD symrefs too deep"); | |
1670 | if (is_null_sha1(head_sha1)) | |
1671 | return error("Unable to resolve remote HEAD"); | |
1672 | if (!has_sha1_file(head_sha1)) | |
1673 | return error("Remote HEAD resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", sha1_to_hex(head_sha1)); | |
1674 | ||
1675 | /* Remote branch must resolve to a known object */ | |
1676 | if (is_null_sha1(remote_ref->old_sha1)) | |
1677 | return error("Unable to resolve remote branch %s", | |
1678 | remote_ref->name); | |
1679 | if (!has_sha1_file(remote_ref->old_sha1)) | |
1680 | 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)); | |
1681 | ||
1682 | /* Remote branch must be an ancestor of remote HEAD */ | |
1683 | if (!verify_merge_base(head_sha1, remote_ref)) { | |
1684 | return error("The branch '%s' is not an ancestor " | |
1685 | "of your current HEAD.\n" | |
1686 | "If you are sure you want to delete it," | |
1687 | " run:\n\t'git http-push -D %s %s'", | |
1688 | remote_ref->name, repo->url, pattern); | |
1689 | } | |
1690 | } | |
1691 | ||
1692 | /* Send delete request */ | |
1693 | fprintf(stderr, "Removing remote branch '%s'\n", remote_ref->name); | |
1694 | if (dry_run) | |
1695 | return 0; | |
1696 | url = xmalloc(strlen(repo->url) + strlen(remote_ref->name) + 1); | |
1697 | sprintf(url, "%s%s", repo->url, remote_ref->name); | |
1698 | slot = get_active_slot(); | |
1699 | slot->results = &results; | |
1700 | curl_setup_http_get(slot->curl, url, DAV_DELETE); | |
1701 | if (start_active_slot(slot)) { | |
1702 | run_active_slot(slot); | |
1703 | free(url); | |
1704 | if (results.curl_result != CURLE_OK) | |
1705 | return error("DELETE request failed (%d/%ld)\n", | |
1706 | results.curl_result, results.http_code); | |
1707 | } else { | |
1708 | free(url); | |
1709 | return error("Unable to start DELETE request"); | |
1710 | } | |
1711 | ||
1712 | return 0; | |
1713 | } | |
1714 | ||
1715 | static void run_request_queue(void) | |
1716 | { | |
1717 | #ifdef USE_CURL_MULTI | |
1718 | is_running_queue = 1; | |
1719 | fill_active_slots(); | |
1720 | add_fill_function(NULL, fill_active_slot); | |
1721 | #endif | |
1722 | do { | |
1723 | finish_all_active_slots(); | |
1724 | #ifdef USE_CURL_MULTI | |
1725 | fill_active_slots(); | |
1726 | #endif | |
1727 | } while (request_queue_head && !aborted); | |
1728 | ||
1729 | #ifdef USE_CURL_MULTI | |
1730 | is_running_queue = 0; | |
1731 | #endif | |
1732 | } | |
1733 | ||
1734 | int main(int argc, char **argv) | |
1735 | { | |
1736 | struct transfer_request *request; | |
1737 | struct transfer_request *next_request; | |
1738 | int nr_refspec = 0; | |
1739 | char **refspec = NULL; | |
1740 | struct remote_lock *ref_lock = NULL; | |
1741 | struct remote_lock *info_ref_lock = NULL; | |
1742 | struct rev_info revs; | |
1743 | int delete_branch = 0; | |
1744 | int force_delete = 0; | |
1745 | int objects_to_send; | |
1746 | int rc = 0; | |
1747 | int i; | |
1748 | int new_refs; | |
1749 | struct ref *ref, *local_refs; | |
1750 | ||
1751 | git_extract_argv0_path(argv[0]); | |
1752 | ||
1753 | repo = xcalloc(sizeof(*repo), 1); | |
1754 | ||
1755 | argv++; | |
1756 | for (i = 1; i < argc; i++, argv++) { | |
1757 | char *arg = *argv; | |
1758 | ||
1759 | if (*arg == '-') { | |
1760 | if (!strcmp(arg, "--all")) { | |
1761 | push_all = MATCH_REFS_ALL; | |
1762 | continue; | |
1763 | } | |
1764 | if (!strcmp(arg, "--force")) { | |
1765 | force_all = 1; | |
1766 | continue; | |
1767 | } | |
1768 | if (!strcmp(arg, "--dry-run")) { | |
1769 | dry_run = 1; | |
1770 | continue; | |
1771 | } | |
1772 | if (!strcmp(arg, "--helper-status")) { | |
1773 | helper_status = 1; | |
1774 | continue; | |
1775 | } | |
1776 | if (!strcmp(arg, "--verbose")) { | |
1777 | push_verbosely = 1; | |
1778 | http_is_verbose = 1; | |
1779 | continue; | |
1780 | } | |
1781 | if (!strcmp(arg, "-d")) { | |
1782 | delete_branch = 1; | |
1783 | continue; | |
1784 | } | |
1785 | if (!strcmp(arg, "-D")) { | |
1786 | delete_branch = 1; | |
1787 | force_delete = 1; | |
1788 | continue; | |
1789 | } | |
1790 | if (!strcmp(arg, "-h")) | |
1791 | usage(http_push_usage); | |
1792 | } | |
1793 | if (!repo->url) { | |
1794 | char *path = strstr(arg, "//"); | |
1795 | str_end_url_with_slash(arg, &repo->url); | |
1796 | repo->path_len = strlen(repo->url); | |
1797 | if (path) { | |
1798 | repo->path = strchr(path+2, '/'); | |
1799 | if (repo->path) | |
1800 | repo->path_len = strlen(repo->path); | |
1801 | } | |
1802 | continue; | |
1803 | } | |
1804 | refspec = argv; | |
1805 | nr_refspec = argc - i; | |
1806 | break; | |
1807 | } | |
1808 | ||
1809 | #ifndef USE_CURL_MULTI | |
1810 | die("git-push is not available for http/https repository when not compiled with USE_CURL_MULTI"); | |
1811 | #endif | |
1812 | ||
1813 | if (!repo->url) | |
1814 | usage(http_push_usage); | |
1815 | ||
1816 | if (delete_branch && nr_refspec != 1) | |
1817 | die("You must specify only one branch name when deleting a remote branch"); | |
1818 | ||
1819 | setup_git_directory(); | |
1820 | ||
1821 | memset(remote_dir_exists, -1, 256); | |
1822 | ||
1823 | http_init(NULL, repo->url); | |
1824 | ||
1825 | #ifdef USE_CURL_MULTI | |
1826 | is_running_queue = 0; | |
1827 | #endif | |
1828 | ||
1829 | /* Verify DAV compliance/lock support */ | |
1830 | if (!locking_available()) { | |
1831 | rc = 1; | |
1832 | goto cleanup; | |
1833 | } | |
1834 | ||
1835 | sigchain_push_common(remove_locks_on_signal); | |
1836 | ||
1837 | /* Check whether the remote has server info files */ | |
1838 | repo->can_update_info_refs = 0; | |
1839 | repo->has_info_refs = remote_exists("info/refs"); | |
1840 | repo->has_info_packs = remote_exists("objects/info/packs"); | |
1841 | if (repo->has_info_refs) { | |
1842 | info_ref_lock = lock_remote("info/refs", LOCK_TIME); | |
1843 | if (info_ref_lock) | |
1844 | repo->can_update_info_refs = 1; | |
1845 | else { | |
1846 | error("cannot lock existing info/refs"); | |
1847 | rc = 1; | |
1848 | goto cleanup; | |
1849 | } | |
1850 | } | |
1851 | if (repo->has_info_packs) | |
1852 | fetch_indices(); | |
1853 | ||
1854 | /* Get a list of all local and remote heads to validate refspecs */ | |
1855 | local_refs = get_local_heads(); | |
1856 | fprintf(stderr, "Fetching remote heads...\n"); | |
1857 | get_dav_remote_heads(); | |
1858 | run_request_queue(); | |
1859 | ||
1860 | /* Remove a remote branch if -d or -D was specified */ | |
1861 | if (delete_branch) { | |
1862 | if (delete_remote_branch(refspec[0], force_delete) == -1) { | |
1863 | fprintf(stderr, "Unable to delete remote branch %s\n", | |
1864 | refspec[0]); | |
1865 | if (helper_status) | |
1866 | printf("error %s cannot remove\n", refspec[0]); | |
1867 | } | |
1868 | goto cleanup; | |
1869 | } | |
1870 | ||
1871 | /* match them up */ | |
1872 | if (match_push_refs(local_refs, &remote_refs, | |
1873 | nr_refspec, (const char **) refspec, push_all)) { | |
1874 | rc = -1; | |
1875 | goto cleanup; | |
1876 | } | |
1877 | if (!remote_refs) { | |
1878 | fprintf(stderr, "No refs in common and none specified; doing nothing.\n"); | |
1879 | if (helper_status) | |
1880 | printf("error null no match\n"); | |
1881 | rc = 0; | |
1882 | goto cleanup; | |
1883 | } | |
1884 | ||
1885 | new_refs = 0; | |
1886 | for (ref = remote_refs; ref; ref = ref->next) { | |
1887 | char old_hex[60], *new_hex; | |
1888 | const char *commit_argv[5]; | |
1889 | int commit_argc; | |
1890 | char *new_sha1_hex, *old_sha1_hex; | |
1891 | ||
1892 | if (!ref->peer_ref) | |
1893 | continue; | |
1894 | ||
1895 | if (is_null_sha1(ref->peer_ref->new_sha1)) { | |
1896 | if (delete_remote_branch(ref->name, 1) == -1) { | |
1897 | error("Could not remove %s", ref->name); | |
1898 | if (helper_status) | |
1899 | printf("error %s cannot remove\n", ref->name); | |
1900 | rc = -4; | |
1901 | } | |
1902 | else if (helper_status) | |
1903 | printf("ok %s\n", ref->name); | |
1904 | new_refs++; | |
1905 | continue; | |
1906 | } | |
1907 | ||
1908 | if (!hashcmp(ref->old_sha1, ref->peer_ref->new_sha1)) { | |
1909 | if (push_verbosely) | |
1910 | fprintf(stderr, "'%s': up-to-date\n", ref->name); | |
1911 | if (helper_status) | |
1912 | printf("ok %s up to date\n", ref->name); | |
1913 | continue; | |
1914 | } | |
1915 | ||
1916 | if (!force_all && | |
1917 | !is_null_sha1(ref->old_sha1) && | |
1918 | !ref->force) { | |
1919 | if (!has_sha1_file(ref->old_sha1) || | |
1920 | !ref_newer(ref->peer_ref->new_sha1, | |
1921 | ref->old_sha1)) { | |
1922 | /* | |
1923 | * We do not have the remote ref, or | |
1924 | * we know that the remote ref is not | |
1925 | * an ancestor of what we are trying to | |
1926 | * push. Either way this can be losing | |
1927 | * commits at the remote end and likely | |
1928 | * we were not up to date to begin with. | |
1929 | */ | |
1930 | error("remote '%s' is not an ancestor of\n" | |
1931 | "local '%s'.\n" | |
1932 | "Maybe you are not up-to-date and " | |
1933 | "need to pull first?", | |
1934 | ref->name, | |
1935 | ref->peer_ref->name); | |
1936 | if (helper_status) | |
1937 | printf("error %s non-fast forward\n", ref->name); | |
1938 | rc = -2; | |
1939 | continue; | |
1940 | } | |
1941 | } | |
1942 | hashcpy(ref->new_sha1, ref->peer_ref->new_sha1); | |
1943 | new_refs++; | |
1944 | strcpy(old_hex, sha1_to_hex(ref->old_sha1)); | |
1945 | new_hex = sha1_to_hex(ref->new_sha1); | |
1946 | ||
1947 | fprintf(stderr, "updating '%s'", ref->name); | |
1948 | if (strcmp(ref->name, ref->peer_ref->name)) | |
1949 | fprintf(stderr, " using '%s'", ref->peer_ref->name); | |
1950 | fprintf(stderr, "\n from %s\n to %s\n", old_hex, new_hex); | |
1951 | if (dry_run) { | |
1952 | if (helper_status) | |
1953 | printf("ok %s\n", ref->name); | |
1954 | continue; | |
1955 | } | |
1956 | ||
1957 | /* Lock remote branch ref */ | |
1958 | ref_lock = lock_remote(ref->name, LOCK_TIME); | |
1959 | if (ref_lock == NULL) { | |
1960 | fprintf(stderr, "Unable to lock remote branch %s\n", | |
1961 | ref->name); | |
1962 | if (helper_status) | |
1963 | printf("error %s lock error\n", ref->name); | |
1964 | rc = 1; | |
1965 | continue; | |
1966 | } | |
1967 | ||
1968 | /* Set up revision info for this refspec */ | |
1969 | commit_argc = 3; | |
1970 | new_sha1_hex = xstrdup(sha1_to_hex(ref->new_sha1)); | |
1971 | old_sha1_hex = NULL; | |
1972 | commit_argv[1] = "--objects"; | |
1973 | commit_argv[2] = new_sha1_hex; | |
1974 | if (!push_all && !is_null_sha1(ref->old_sha1)) { | |
1975 | old_sha1_hex = xmalloc(42); | |
1976 | sprintf(old_sha1_hex, "^%s", | |
1977 | sha1_to_hex(ref->old_sha1)); | |
1978 | commit_argv[3] = old_sha1_hex; | |
1979 | commit_argc++; | |
1980 | } | |
1981 | commit_argv[commit_argc] = NULL; | |
1982 | init_revisions(&revs, setup_git_directory()); | |
1983 | setup_revisions(commit_argc, commit_argv, &revs, NULL); | |
1984 | revs.edge_hint = 0; /* just in case */ | |
1985 | free(new_sha1_hex); | |
1986 | if (old_sha1_hex) { | |
1987 | free(old_sha1_hex); | |
1988 | commit_argv[1] = NULL; | |
1989 | } | |
1990 | ||
1991 | /* Generate a list of objects that need to be pushed */ | |
1992 | pushing = 0; | |
1993 | if (prepare_revision_walk(&revs)) | |
1994 | die("revision walk setup failed"); | |
1995 | mark_edges_uninteresting(revs.commits, &revs, NULL); | |
1996 | objects_to_send = get_delta(&revs, ref_lock); | |
1997 | finish_all_active_slots(); | |
1998 | ||
1999 | /* Push missing objects to remote, this would be a | |
2000 | convenient time to pack them first if appropriate. */ | |
2001 | pushing = 1; | |
2002 | if (objects_to_send) | |
2003 | fprintf(stderr, " sending %d objects\n", | |
2004 | objects_to_send); | |
2005 | ||
2006 | run_request_queue(); | |
2007 | ||
2008 | /* Update the remote branch if all went well */ | |
2009 | if (aborted || !update_remote(ref->new_sha1, ref_lock)) | |
2010 | rc = 1; | |
2011 | ||
2012 | if (!rc) | |
2013 | fprintf(stderr, " done\n"); | |
2014 | if (helper_status) | |
2015 | printf("%s %s\n", !rc ? "ok" : "error", ref->name); | |
2016 | unlock_remote(ref_lock); | |
2017 | check_locks(); | |
2018 | } | |
2019 | ||
2020 | /* Update remote server info if appropriate */ | |
2021 | if (repo->has_info_refs && new_refs) { | |
2022 | if (info_ref_lock && repo->can_update_info_refs) { | |
2023 | fprintf(stderr, "Updating remote server info\n"); | |
2024 | if (!dry_run) | |
2025 | update_remote_info_refs(info_ref_lock); | |
2026 | } else { | |
2027 | fprintf(stderr, "Unable to update server info\n"); | |
2028 | } | |
2029 | } | |
2030 | ||
2031 | cleanup: | |
2032 | if (info_ref_lock) | |
2033 | unlock_remote(info_ref_lock); | |
2034 | free(repo); | |
2035 | ||
2036 | http_cleanup(); | |
2037 | ||
2038 | request = request_queue_head; | |
2039 | while (request != NULL) { | |
2040 | next_request = request->next; | |
2041 | release_request(request); | |
2042 | request = next_request; | |
2043 | } | |
2044 | ||
2045 | return rc; | |
2046 | } |