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1 | #include "cache.h" | |
2 | #include "repository.h" | |
3 | #include "commit.h" | |
4 | #include "tag.h" | |
5 | #include "blob.h" | |
6 | #include "http.h" | |
7 | #include "refs.h" | |
8 | #include "diff.h" | |
9 | #include "revision.h" | |
10 | #include "exec-cmd.h" | |
11 | #include "remote.h" | |
12 | #include "list-objects.h" | |
13 | #include "sigchain.h" | |
14 | #include "argv-array.h" | |
15 | #include "packfile.h" | |
16 | #include "object-store.h" | |
17 | #include "commit-reach.h" | |
18 | ||
19 | #ifdef EXPAT_NEEDS_XMLPARSE_H | |
20 | #include <xmlparse.h> | |
21 | #else | |
22 | #include <expat.h> | |
23 | #endif | |
24 | ||
25 | static const char http_push_usage[] = | |
26 | "git http-push [--all] [--dry-run] [--force] [--verbose] <remote> [<head>...]\n"; | |
27 | ||
28 | #ifndef XML_STATUS_OK | |
29 | enum XML_Status { | |
30 | XML_STATUS_OK = 1, | |
31 | XML_STATUS_ERROR = 0 | |
32 | }; | |
33 | #define XML_STATUS_OK 1 | |
34 | #define XML_STATUS_ERROR 0 | |
35 | #endif | |
36 | ||
37 | #define PREV_BUF_SIZE 4096 | |
38 | ||
39 | /* DAV methods */ | |
40 | #define DAV_LOCK "LOCK" | |
41 | #define DAV_MKCOL "MKCOL" | |
42 | #define DAV_MOVE "MOVE" | |
43 | #define DAV_PROPFIND "PROPFIND" | |
44 | #define DAV_PUT "PUT" | |
45 | #define DAV_UNLOCK "UNLOCK" | |
46 | #define DAV_DELETE "DELETE" | |
47 | ||
48 | /* DAV lock flags */ | |
49 | #define DAV_PROP_LOCKWR (1u << 0) | |
50 | #define DAV_PROP_LOCKEX (1u << 1) | |
51 | #define DAV_LOCK_OK (1u << 2) | |
52 | ||
53 | /* DAV XML properties */ | |
54 | #define DAV_CTX_LOCKENTRY ".multistatus.response.propstat.prop.supportedlock.lockentry" | |
55 | #define DAV_CTX_LOCKTYPE_WRITE ".multistatus.response.propstat.prop.supportedlock.lockentry.locktype.write" | |
56 | #define DAV_CTX_LOCKTYPE_EXCLUSIVE ".multistatus.response.propstat.prop.supportedlock.lockentry.lockscope.exclusive" | |
57 | #define DAV_ACTIVELOCK_OWNER ".prop.lockdiscovery.activelock.owner.href" | |
58 | #define DAV_ACTIVELOCK_TIMEOUT ".prop.lockdiscovery.activelock.timeout" | |
59 | #define DAV_ACTIVELOCK_TOKEN ".prop.lockdiscovery.activelock.locktoken.href" | |
60 | #define DAV_PROPFIND_RESP ".multistatus.response" | |
61 | #define DAV_PROPFIND_NAME ".multistatus.response.href" | |
62 | #define DAV_PROPFIND_COLLECTION ".multistatus.response.propstat.prop.resourcetype.collection" | |
63 | ||
64 | /* DAV request body templates */ | |
65 | #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>" | |
66 | #define PROPFIND_ALL_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:propfind xmlns:D=\"DAV:\">\n<D:allprop/>\n</D:propfind>" | |
67 | #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>" | |
68 | ||
69 | #define LOCK_TIME 600 | |
70 | #define LOCK_REFRESH 30 | |
71 | ||
72 | /* Remember to update object flag allocation in object.h */ | |
73 | #define LOCAL (1u<<16) | |
74 | #define REMOTE (1u<<17) | |
75 | #define FETCHING (1u<<18) | |
76 | #define PUSHING (1u<<19) | |
77 | ||
78 | /* We allow "recursive" symbolic refs. Only within reason, though */ | |
79 | #define MAXDEPTH 5 | |
80 | ||
81 | static int pushing; | |
82 | static int aborted; | |
83 | static signed char remote_dir_exists[256]; | |
84 | ||
85 | static int push_verbosely; | |
86 | static int push_all = MATCH_REFS_NONE; | |
87 | static int force_all; | |
88 | static int dry_run; | |
89 | static int helper_status; | |
90 | ||
91 | static struct object_list *objects; | |
92 | ||
93 | struct repo { | |
94 | char *url; | |
95 | char *path; | |
96 | int path_len; | |
97 | int has_info_refs; | |
98 | int can_update_info_refs; | |
99 | int has_info_packs; | |
100 | struct packed_git *packs; | |
101 | struct remote_lock *locks; | |
102 | }; | |
103 | ||
104 | static struct repo *repo; | |
105 | ||
106 | enum transfer_state { | |
107 | NEED_FETCH, | |
108 | RUN_FETCH_LOOSE, | |
109 | RUN_FETCH_PACKED, | |
110 | NEED_PUSH, | |
111 | RUN_MKCOL, | |
112 | RUN_PUT, | |
113 | RUN_MOVE, | |
114 | ABORTED, | |
115 | COMPLETE | |
116 | }; | |
117 | ||
118 | struct transfer_request { | |
119 | struct object *obj; | |
120 | char *url; | |
121 | char *dest; | |
122 | struct remote_lock *lock; | |
123 | struct curl_slist *headers; | |
124 | struct buffer buffer; | |
125 | enum transfer_state state; | |
126 | CURLcode curl_result; | |
127 | char errorstr[CURL_ERROR_SIZE]; | |
128 | long http_code; | |
129 | void *userData; | |
130 | struct active_request_slot *slot; | |
131 | struct transfer_request *next; | |
132 | }; | |
133 | ||
134 | static struct transfer_request *request_queue_head; | |
135 | ||
136 | struct xml_ctx { | |
137 | char *name; | |
138 | int len; | |
139 | char *cdata; | |
140 | void (*userFunc)(struct xml_ctx *ctx, int tag_closed); | |
141 | void *userData; | |
142 | }; | |
143 | ||
144 | struct remote_lock { | |
145 | char *url; | |
146 | char *owner; | |
147 | char *token; | |
148 | char tmpfile_suffix[41]; | |
149 | time_t start_time; | |
150 | long timeout; | |
151 | int refreshing; | |
152 | struct remote_lock *next; | |
153 | }; | |
154 | ||
155 | /* Flags that control remote_ls processing */ | |
156 | #define PROCESS_FILES (1u << 0) | |
157 | #define PROCESS_DIRS (1u << 1) | |
158 | #define RECURSIVE (1u << 2) | |
159 | ||
160 | /* Flags that remote_ls passes to callback functions */ | |
161 | #define IS_DIR (1u << 0) | |
162 | ||
163 | struct remote_ls_ctx { | |
164 | char *path; | |
165 | void (*userFunc)(struct remote_ls_ctx *ls); | |
166 | void *userData; | |
167 | int flags; | |
168 | char *dentry_name; | |
169 | int dentry_flags; | |
170 | struct remote_ls_ctx *parent; | |
171 | }; | |
172 | ||
173 | /* get_dav_token_headers options */ | |
174 | enum dav_header_flag { | |
175 | DAV_HEADER_IF = (1u << 0), | |
176 | DAV_HEADER_LOCK = (1u << 1), | |
177 | DAV_HEADER_TIMEOUT = (1u << 2) | |
178 | }; | |
179 | ||
180 | static char *xml_entities(const char *s) | |
181 | { | |
182 | struct strbuf buf = STRBUF_INIT; | |
183 | strbuf_addstr_xml_quoted(&buf, s); | |
184 | return strbuf_detach(&buf, NULL); | |
185 | } | |
186 | ||
187 | static void curl_setup_http_get(CURL *curl, const char *url, | |
188 | const char *custom_req) | |
189 | { | |
190 | curl_easy_setopt(curl, CURLOPT_HTTPGET, 1); | |
191 | curl_easy_setopt(curl, CURLOPT_URL, url); | |
192 | curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, custom_req); | |
193 | curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
194 | } | |
195 | ||
196 | static void curl_setup_http(CURL *curl, const char *url, | |
197 | const char *custom_req, struct buffer *buffer, | |
198 | curl_write_callback write_fn) | |
199 | { | |
200 | curl_easy_setopt(curl, CURLOPT_PUT, 1); | |
201 | curl_easy_setopt(curl, CURLOPT_URL, url); | |
202 | curl_easy_setopt(curl, CURLOPT_INFILE, buffer); | |
203 | curl_easy_setopt(curl, CURLOPT_INFILESIZE, buffer->buf.len); | |
204 | curl_easy_setopt(curl, CURLOPT_READFUNCTION, fread_buffer); | |
205 | #ifndef NO_CURL_IOCTL | |
206 | curl_easy_setopt(curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer); | |
207 | curl_easy_setopt(curl, CURLOPT_IOCTLDATA, buffer); | |
208 | #endif | |
209 | curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_fn); | |
210 | curl_easy_setopt(curl, CURLOPT_NOBODY, 0); | |
211 | curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, custom_req); | |
212 | curl_easy_setopt(curl, CURLOPT_UPLOAD, 1); | |
213 | } | |
214 | ||
215 | static struct curl_slist *get_dav_token_headers(struct remote_lock *lock, enum dav_header_flag options) | |
216 | { | |
217 | struct strbuf buf = STRBUF_INIT; | |
218 | struct curl_slist *dav_headers = http_copy_default_headers(); | |
219 | ||
220 | if (options & DAV_HEADER_IF) { | |
221 | strbuf_addf(&buf, "If: (<%s>)", lock->token); | |
222 | dav_headers = curl_slist_append(dav_headers, buf.buf); | |
223 | strbuf_reset(&buf); | |
224 | } | |
225 | if (options & DAV_HEADER_LOCK) { | |
226 | strbuf_addf(&buf, "Lock-Token: <%s>", lock->token); | |
227 | dav_headers = curl_slist_append(dav_headers, buf.buf); | |
228 | strbuf_reset(&buf); | |
229 | } | |
230 | if (options & DAV_HEADER_TIMEOUT) { | |
231 | strbuf_addf(&buf, "Timeout: Second-%ld", lock->timeout); | |
232 | dav_headers = curl_slist_append(dav_headers, buf.buf); | |
233 | strbuf_reset(&buf); | |
234 | } | |
235 | strbuf_release(&buf); | |
236 | ||
237 | return dav_headers; | |
238 | } | |
239 | ||
240 | static void finish_request(struct transfer_request *request); | |
241 | static void release_request(struct transfer_request *request); | |
242 | ||
243 | static void process_response(void *callback_data) | |
244 | { | |
245 | struct transfer_request *request = | |
246 | (struct transfer_request *)callback_data; | |
247 | ||
248 | finish_request(request); | |
249 | } | |
250 | ||
251 | #ifdef USE_CURL_MULTI | |
252 | ||
253 | static void start_fetch_loose(struct transfer_request *request) | |
254 | { | |
255 | struct active_request_slot *slot; | |
256 | struct http_object_request *obj_req; | |
257 | ||
258 | obj_req = new_http_object_request(repo->url, &request->obj->oid); | |
259 | if (obj_req == NULL) { | |
260 | request->state = ABORTED; | |
261 | return; | |
262 | } | |
263 | ||
264 | slot = obj_req->slot; | |
265 | slot->callback_func = process_response; | |
266 | slot->callback_data = request; | |
267 | request->slot = slot; | |
268 | request->userData = obj_req; | |
269 | ||
270 | /* Try to get the request started, abort the request on error */ | |
271 | request->state = RUN_FETCH_LOOSE; | |
272 | if (!start_active_slot(slot)) { | |
273 | fprintf(stderr, "Unable to start GET request\n"); | |
274 | repo->can_update_info_refs = 0; | |
275 | release_http_object_request(obj_req); | |
276 | release_request(request); | |
277 | } | |
278 | } | |
279 | ||
280 | static void start_mkcol(struct transfer_request *request) | |
281 | { | |
282 | char *hex = oid_to_hex(&request->obj->oid); | |
283 | struct active_request_slot *slot; | |
284 | ||
285 | request->url = get_remote_object_url(repo->url, hex, 1); | |
286 | ||
287 | slot = get_active_slot(); | |
288 | slot->callback_func = process_response; | |
289 | slot->callback_data = request; | |
290 | curl_setup_http_get(slot->curl, request->url, DAV_MKCOL); | |
291 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr); | |
292 | ||
293 | if (start_active_slot(slot)) { | |
294 | request->slot = slot; | |
295 | request->state = RUN_MKCOL; | |
296 | } else { | |
297 | request->state = ABORTED; | |
298 | FREE_AND_NULL(request->url); | |
299 | } | |
300 | } | |
301 | #endif | |
302 | ||
303 | static void start_fetch_packed(struct transfer_request *request) | |
304 | { | |
305 | struct packed_git *target; | |
306 | ||
307 | struct transfer_request *check_request = request_queue_head; | |
308 | struct http_pack_request *preq; | |
309 | ||
310 | target = find_sha1_pack(request->obj->oid.hash, repo->packs); | |
311 | if (!target) { | |
312 | fprintf(stderr, "Unable to fetch %s, will not be able to update server info refs\n", oid_to_hex(&request->obj->oid)); | |
313 | repo->can_update_info_refs = 0; | |
314 | release_request(request); | |
315 | return; | |
316 | } | |
317 | ||
318 | fprintf(stderr, "Fetching pack %s\n", sha1_to_hex(target->sha1)); | |
319 | fprintf(stderr, " which contains %s\n", oid_to_hex(&request->obj->oid)); | |
320 | ||
321 | preq = new_http_pack_request(target, repo->url); | |
322 | if (preq == NULL) { | |
323 | repo->can_update_info_refs = 0; | |
324 | return; | |
325 | } | |
326 | preq->lst = &repo->packs; | |
327 | ||
328 | /* Make sure there isn't another open request for this pack */ | |
329 | while (check_request) { | |
330 | if (check_request->state == RUN_FETCH_PACKED && | |
331 | !strcmp(check_request->url, preq->url)) { | |
332 | release_http_pack_request(preq); | |
333 | release_request(request); | |
334 | return; | |
335 | } | |
336 | check_request = check_request->next; | |
337 | } | |
338 | ||
339 | preq->slot->callback_func = process_response; | |
340 | preq->slot->callback_data = request; | |
341 | request->slot = preq->slot; | |
342 | request->userData = preq; | |
343 | ||
344 | /* Try to get the request started, abort the request on error */ | |
345 | request->state = RUN_FETCH_PACKED; | |
346 | if (!start_active_slot(preq->slot)) { | |
347 | fprintf(stderr, "Unable to start GET request\n"); | |
348 | release_http_pack_request(preq); | |
349 | repo->can_update_info_refs = 0; | |
350 | release_request(request); | |
351 | } | |
352 | } | |
353 | ||
354 | static void start_put(struct transfer_request *request) | |
355 | { | |
356 | char *hex = oid_to_hex(&request->obj->oid); | |
357 | struct active_request_slot *slot; | |
358 | struct strbuf buf = STRBUF_INIT; | |
359 | enum object_type type; | |
360 | char hdr[50]; | |
361 | void *unpacked; | |
362 | unsigned long len; | |
363 | int hdrlen; | |
364 | ssize_t size; | |
365 | git_zstream stream; | |
366 | ||
367 | unpacked = read_object_file(&request->obj->oid, &type, &len); | |
368 | hdrlen = xsnprintf(hdr, sizeof(hdr), "%s %"PRIuMAX , type_name(type), (uintmax_t)len) + 1; | |
369 | ||
370 | /* Set it up */ | |
371 | git_deflate_init(&stream, zlib_compression_level); | |
372 | size = git_deflate_bound(&stream, len + hdrlen); | |
373 | strbuf_init(&request->buffer.buf, size); | |
374 | request->buffer.posn = 0; | |
375 | ||
376 | /* Compress it */ | |
377 | stream.next_out = (unsigned char *)request->buffer.buf.buf; | |
378 | stream.avail_out = size; | |
379 | ||
380 | /* First header.. */ | |
381 | stream.next_in = (void *)hdr; | |
382 | stream.avail_in = hdrlen; | |
383 | while (git_deflate(&stream, 0) == Z_OK) | |
384 | ; /* nothing */ | |
385 | ||
386 | /* Then the data itself.. */ | |
387 | stream.next_in = unpacked; | |
388 | stream.avail_in = len; | |
389 | while (git_deflate(&stream, Z_FINISH) == Z_OK) | |
390 | ; /* nothing */ | |
391 | git_deflate_end(&stream); | |
392 | free(unpacked); | |
393 | ||
394 | request->buffer.buf.len = stream.total_out; | |
395 | ||
396 | strbuf_addstr(&buf, "Destination: "); | |
397 | append_remote_object_url(&buf, repo->url, hex, 0); | |
398 | request->dest = strbuf_detach(&buf, NULL); | |
399 | ||
400 | append_remote_object_url(&buf, repo->url, hex, 0); | |
401 | strbuf_add(&buf, request->lock->tmpfile_suffix, 41); | |
402 | request->url = strbuf_detach(&buf, NULL); | |
403 | ||
404 | slot = get_active_slot(); | |
405 | slot->callback_func = process_response; | |
406 | slot->callback_data = request; | |
407 | curl_setup_http(slot->curl, request->url, DAV_PUT, | |
408 | &request->buffer, fwrite_null); | |
409 | ||
410 | if (start_active_slot(slot)) { | |
411 | request->slot = slot; | |
412 | request->state = RUN_PUT; | |
413 | } else { | |
414 | request->state = ABORTED; | |
415 | FREE_AND_NULL(request->url); | |
416 | } | |
417 | } | |
418 | ||
419 | static void start_move(struct transfer_request *request) | |
420 | { | |
421 | struct active_request_slot *slot; | |
422 | struct curl_slist *dav_headers = http_copy_default_headers(); | |
423 | ||
424 | slot = get_active_slot(); | |
425 | slot->callback_func = process_response; | |
426 | slot->callback_data = request; | |
427 | curl_setup_http_get(slot->curl, request->url, DAV_MOVE); | |
428 | dav_headers = curl_slist_append(dav_headers, request->dest); | |
429 | dav_headers = curl_slist_append(dav_headers, "Overwrite: T"); | |
430 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
431 | ||
432 | if (start_active_slot(slot)) { | |
433 | request->slot = slot; | |
434 | request->state = RUN_MOVE; | |
435 | } else { | |
436 | request->state = ABORTED; | |
437 | FREE_AND_NULL(request->url); | |
438 | } | |
439 | } | |
440 | ||
441 | static int refresh_lock(struct remote_lock *lock) | |
442 | { | |
443 | struct active_request_slot *slot; | |
444 | struct slot_results results; | |
445 | struct curl_slist *dav_headers; | |
446 | int rc = 0; | |
447 | ||
448 | lock->refreshing = 1; | |
449 | ||
450 | dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF | DAV_HEADER_TIMEOUT); | |
451 | ||
452 | slot = get_active_slot(); | |
453 | slot->results = &results; | |
454 | curl_setup_http_get(slot->curl, lock->url, DAV_LOCK); | |
455 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
456 | ||
457 | if (start_active_slot(slot)) { | |
458 | run_active_slot(slot); | |
459 | if (results.curl_result != CURLE_OK) { | |
460 | fprintf(stderr, "LOCK HTTP error %ld\n", | |
461 | results.http_code); | |
462 | } else { | |
463 | lock->start_time = time(NULL); | |
464 | rc = 1; | |
465 | } | |
466 | } | |
467 | ||
468 | lock->refreshing = 0; | |
469 | curl_slist_free_all(dav_headers); | |
470 | ||
471 | return rc; | |
472 | } | |
473 | ||
474 | static void check_locks(void) | |
475 | { | |
476 | struct remote_lock *lock = repo->locks; | |
477 | time_t current_time = time(NULL); | |
478 | int time_remaining; | |
479 | ||
480 | while (lock) { | |
481 | time_remaining = lock->start_time + lock->timeout - | |
482 | current_time; | |
483 | if (!lock->refreshing && time_remaining < LOCK_REFRESH) { | |
484 | if (!refresh_lock(lock)) { | |
485 | fprintf(stderr, | |
486 | "Unable to refresh lock for %s\n", | |
487 | lock->url); | |
488 | aborted = 1; | |
489 | return; | |
490 | } | |
491 | } | |
492 | lock = lock->next; | |
493 | } | |
494 | } | |
495 | ||
496 | static void release_request(struct transfer_request *request) | |
497 | { | |
498 | struct transfer_request *entry = request_queue_head; | |
499 | ||
500 | if (request == request_queue_head) { | |
501 | request_queue_head = request->next; | |
502 | } else { | |
503 | while (entry->next != NULL && entry->next != request) | |
504 | entry = entry->next; | |
505 | if (entry->next == request) | |
506 | entry->next = entry->next->next; | |
507 | } | |
508 | ||
509 | free(request->url); | |
510 | free(request); | |
511 | } | |
512 | ||
513 | static void finish_request(struct transfer_request *request) | |
514 | { | |
515 | struct http_pack_request *preq; | |
516 | struct http_object_request *obj_req; | |
517 | ||
518 | request->curl_result = request->slot->curl_result; | |
519 | request->http_code = request->slot->http_code; | |
520 | request->slot = NULL; | |
521 | ||
522 | /* Keep locks active */ | |
523 | check_locks(); | |
524 | ||
525 | if (request->headers != NULL) | |
526 | curl_slist_free_all(request->headers); | |
527 | ||
528 | /* URL is reused for MOVE after PUT */ | |
529 | if (request->state != RUN_PUT) { | |
530 | FREE_AND_NULL(request->url); | |
531 | } | |
532 | ||
533 | if (request->state == RUN_MKCOL) { | |
534 | if (request->curl_result == CURLE_OK || | |
535 | request->http_code == 405) { | |
536 | remote_dir_exists[request->obj->oid.hash[0]] = 1; | |
537 | start_put(request); | |
538 | } else { | |
539 | fprintf(stderr, "MKCOL %s failed, aborting (%d/%ld)\n", | |
540 | oid_to_hex(&request->obj->oid), | |
541 | request->curl_result, request->http_code); | |
542 | request->state = ABORTED; | |
543 | aborted = 1; | |
544 | } | |
545 | } else if (request->state == RUN_PUT) { | |
546 | if (request->curl_result == CURLE_OK) { | |
547 | start_move(request); | |
548 | } else { | |
549 | fprintf(stderr, "PUT %s failed, aborting (%d/%ld)\n", | |
550 | oid_to_hex(&request->obj->oid), | |
551 | request->curl_result, request->http_code); | |
552 | request->state = ABORTED; | |
553 | aborted = 1; | |
554 | } | |
555 | } else if (request->state == RUN_MOVE) { | |
556 | if (request->curl_result == CURLE_OK) { | |
557 | if (push_verbosely) | |
558 | fprintf(stderr, " sent %s\n", | |
559 | oid_to_hex(&request->obj->oid)); | |
560 | request->obj->flags |= REMOTE; | |
561 | release_request(request); | |
562 | } else { | |
563 | fprintf(stderr, "MOVE %s failed, aborting (%d/%ld)\n", | |
564 | oid_to_hex(&request->obj->oid), | |
565 | request->curl_result, request->http_code); | |
566 | request->state = ABORTED; | |
567 | aborted = 1; | |
568 | } | |
569 | } else if (request->state == RUN_FETCH_LOOSE) { | |
570 | obj_req = (struct http_object_request *)request->userData; | |
571 | ||
572 | if (finish_http_object_request(obj_req) == 0) | |
573 | if (obj_req->rename == 0) | |
574 | request->obj->flags |= (LOCAL | REMOTE); | |
575 | ||
576 | /* Try fetching packed if necessary */ | |
577 | if (request->obj->flags & LOCAL) { | |
578 | release_http_object_request(obj_req); | |
579 | release_request(request); | |
580 | } else | |
581 | start_fetch_packed(request); | |
582 | ||
583 | } else if (request->state == RUN_FETCH_PACKED) { | |
584 | int fail = 1; | |
585 | if (request->curl_result != CURLE_OK) { | |
586 | fprintf(stderr, "Unable to get pack file %s\n%s", | |
587 | request->url, curl_errorstr); | |
588 | } else { | |
589 | preq = (struct http_pack_request *)request->userData; | |
590 | ||
591 | if (preq) { | |
592 | if (finish_http_pack_request(preq) == 0) | |
593 | fail = 0; | |
594 | release_http_pack_request(preq); | |
595 | } | |
596 | } | |
597 | if (fail) | |
598 | repo->can_update_info_refs = 0; | |
599 | release_request(request); | |
600 | } | |
601 | } | |
602 | ||
603 | #ifdef USE_CURL_MULTI | |
604 | static int is_running_queue; | |
605 | static int fill_active_slot(void *unused) | |
606 | { | |
607 | struct transfer_request *request; | |
608 | ||
609 | if (aborted || !is_running_queue) | |
610 | return 0; | |
611 | ||
612 | for (request = request_queue_head; request; request = request->next) { | |
613 | if (request->state == NEED_FETCH) { | |
614 | start_fetch_loose(request); | |
615 | return 1; | |
616 | } else if (pushing && request->state == NEED_PUSH) { | |
617 | if (remote_dir_exists[request->obj->oid.hash[0]] == 1) { | |
618 | start_put(request); | |
619 | } else { | |
620 | start_mkcol(request); | |
621 | } | |
622 | return 1; | |
623 | } | |
624 | } | |
625 | return 0; | |
626 | } | |
627 | #endif | |
628 | ||
629 | static void get_remote_object_list(unsigned char parent); | |
630 | ||
631 | static void add_fetch_request(struct object *obj) | |
632 | { | |
633 | struct transfer_request *request; | |
634 | ||
635 | check_locks(); | |
636 | ||
637 | /* | |
638 | * Don't fetch the object if it's known to exist locally | |
639 | * or is already in the request queue | |
640 | */ | |
641 | if (remote_dir_exists[obj->oid.hash[0]] == -1) | |
642 | get_remote_object_list(obj->oid.hash[0]); | |
643 | if (obj->flags & (LOCAL | FETCHING)) | |
644 | return; | |
645 | ||
646 | obj->flags |= FETCHING; | |
647 | request = xmalloc(sizeof(*request)); | |
648 | request->obj = obj; | |
649 | request->url = NULL; | |
650 | request->lock = NULL; | |
651 | request->headers = NULL; | |
652 | request->state = NEED_FETCH; | |
653 | request->next = request_queue_head; | |
654 | request_queue_head = request; | |
655 | ||
656 | #ifdef USE_CURL_MULTI | |
657 | fill_active_slots(); | |
658 | step_active_slots(); | |
659 | #endif | |
660 | } | |
661 | ||
662 | static int add_send_request(struct object *obj, struct remote_lock *lock) | |
663 | { | |
664 | struct transfer_request *request; | |
665 | struct packed_git *target; | |
666 | ||
667 | /* Keep locks active */ | |
668 | check_locks(); | |
669 | ||
670 | /* | |
671 | * Don't push the object if it's known to exist on the remote | |
672 | * or is already in the request queue | |
673 | */ | |
674 | if (remote_dir_exists[obj->oid.hash[0]] == -1) | |
675 | get_remote_object_list(obj->oid.hash[0]); | |
676 | if (obj->flags & (REMOTE | PUSHING)) | |
677 | return 0; | |
678 | target = find_sha1_pack(obj->oid.hash, repo->packs); | |
679 | if (target) { | |
680 | obj->flags |= REMOTE; | |
681 | return 0; | |
682 | } | |
683 | ||
684 | obj->flags |= PUSHING; | |
685 | request = xmalloc(sizeof(*request)); | |
686 | request->obj = obj; | |
687 | request->url = NULL; | |
688 | request->lock = lock; | |
689 | request->headers = NULL; | |
690 | request->state = NEED_PUSH; | |
691 | request->next = request_queue_head; | |
692 | request_queue_head = request; | |
693 | ||
694 | #ifdef USE_CURL_MULTI | |
695 | fill_active_slots(); | |
696 | step_active_slots(); | |
697 | #endif | |
698 | ||
699 | return 1; | |
700 | } | |
701 | ||
702 | static int fetch_indices(void) | |
703 | { | |
704 | int ret; | |
705 | ||
706 | if (push_verbosely) | |
707 | fprintf(stderr, "Getting pack list\n"); | |
708 | ||
709 | switch (http_get_info_packs(repo->url, &repo->packs)) { | |
710 | case HTTP_OK: | |
711 | case HTTP_MISSING_TARGET: | |
712 | ret = 0; | |
713 | break; | |
714 | default: | |
715 | ret = -1; | |
716 | } | |
717 | ||
718 | return ret; | |
719 | } | |
720 | ||
721 | static void one_remote_object(const struct object_id *oid) | |
722 | { | |
723 | struct object *obj; | |
724 | ||
725 | obj = lookup_object(the_repository, oid->hash); | |
726 | if (!obj) | |
727 | obj = parse_object(the_repository, oid); | |
728 | ||
729 | /* Ignore remote objects that don't exist locally */ | |
730 | if (!obj) | |
731 | return; | |
732 | ||
733 | obj->flags |= REMOTE; | |
734 | if (!object_list_contains(objects, obj)) | |
735 | object_list_insert(obj, &objects); | |
736 | } | |
737 | ||
738 | static void handle_lockprop_ctx(struct xml_ctx *ctx, int tag_closed) | |
739 | { | |
740 | int *lock_flags = (int *)ctx->userData; | |
741 | ||
742 | if (tag_closed) { | |
743 | if (!strcmp(ctx->name, DAV_CTX_LOCKENTRY)) { | |
744 | if ((*lock_flags & DAV_PROP_LOCKEX) && | |
745 | (*lock_flags & DAV_PROP_LOCKWR)) { | |
746 | *lock_flags |= DAV_LOCK_OK; | |
747 | } | |
748 | *lock_flags &= DAV_LOCK_OK; | |
749 | } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_WRITE)) { | |
750 | *lock_flags |= DAV_PROP_LOCKWR; | |
751 | } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_EXCLUSIVE)) { | |
752 | *lock_flags |= DAV_PROP_LOCKEX; | |
753 | } | |
754 | } | |
755 | } | |
756 | ||
757 | static void handle_new_lock_ctx(struct xml_ctx *ctx, int tag_closed) | |
758 | { | |
759 | struct remote_lock *lock = (struct remote_lock *)ctx->userData; | |
760 | git_SHA_CTX sha_ctx; | |
761 | unsigned char lock_token_sha1[20]; | |
762 | ||
763 | if (tag_closed && ctx->cdata) { | |
764 | if (!strcmp(ctx->name, DAV_ACTIVELOCK_OWNER)) { | |
765 | lock->owner = xstrdup(ctx->cdata); | |
766 | } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TIMEOUT)) { | |
767 | const char *arg; | |
768 | if (skip_prefix(ctx->cdata, "Second-", &arg)) | |
769 | lock->timeout = strtol(arg, NULL, 10); | |
770 | } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TOKEN)) { | |
771 | lock->token = xstrdup(ctx->cdata); | |
772 | ||
773 | git_SHA1_Init(&sha_ctx); | |
774 | git_SHA1_Update(&sha_ctx, lock->token, strlen(lock->token)); | |
775 | git_SHA1_Final(lock_token_sha1, &sha_ctx); | |
776 | ||
777 | lock->tmpfile_suffix[0] = '_'; | |
778 | memcpy(lock->tmpfile_suffix + 1, sha1_to_hex(lock_token_sha1), 40); | |
779 | } | |
780 | } | |
781 | } | |
782 | ||
783 | static void one_remote_ref(const char *refname); | |
784 | ||
785 | static void | |
786 | xml_start_tag(void *userData, const char *name, const char **atts) | |
787 | { | |
788 | struct xml_ctx *ctx = (struct xml_ctx *)userData; | |
789 | const char *c = strchr(name, ':'); | |
790 | int old_namelen, new_len; | |
791 | ||
792 | if (c == NULL) | |
793 | c = name; | |
794 | else | |
795 | c++; | |
796 | ||
797 | old_namelen = strlen(ctx->name); | |
798 | new_len = old_namelen + strlen(c) + 2; | |
799 | ||
800 | if (new_len > ctx->len) { | |
801 | ctx->name = xrealloc(ctx->name, new_len); | |
802 | ctx->len = new_len; | |
803 | } | |
804 | xsnprintf(ctx->name + old_namelen, ctx->len - old_namelen, ".%s", c); | |
805 | ||
806 | FREE_AND_NULL(ctx->cdata); | |
807 | ||
808 | ctx->userFunc(ctx, 0); | |
809 | } | |
810 | ||
811 | static void | |
812 | xml_end_tag(void *userData, const char *name) | |
813 | { | |
814 | struct xml_ctx *ctx = (struct xml_ctx *)userData; | |
815 | const char *c = strchr(name, ':'); | |
816 | char *ep; | |
817 | ||
818 | ctx->userFunc(ctx, 1); | |
819 | ||
820 | if (c == NULL) | |
821 | c = name; | |
822 | else | |
823 | c++; | |
824 | ||
825 | ep = ctx->name + strlen(ctx->name) - strlen(c) - 1; | |
826 | *ep = 0; | |
827 | } | |
828 | ||
829 | static void | |
830 | xml_cdata(void *userData, const XML_Char *s, int len) | |
831 | { | |
832 | struct xml_ctx *ctx = (struct xml_ctx *)userData; | |
833 | free(ctx->cdata); | |
834 | ctx->cdata = xmemdupz(s, len); | |
835 | } | |
836 | ||
837 | static struct remote_lock *lock_remote(const char *path, long timeout) | |
838 | { | |
839 | struct active_request_slot *slot; | |
840 | struct slot_results results; | |
841 | struct buffer out_buffer = { STRBUF_INIT, 0 }; | |
842 | struct strbuf in_buffer = STRBUF_INIT; | |
843 | char *url; | |
844 | char *ep; | |
845 | char timeout_header[25]; | |
846 | struct remote_lock *lock = NULL; | |
847 | struct curl_slist *dav_headers = http_copy_default_headers(); | |
848 | struct xml_ctx ctx; | |
849 | char *escaped; | |
850 | ||
851 | url = xstrfmt("%s%s", repo->url, path); | |
852 | ||
853 | /* Make sure leading directories exist for the remote ref */ | |
854 | ep = strchr(url + strlen(repo->url) + 1, '/'); | |
855 | while (ep) { | |
856 | char saved_character = ep[1]; | |
857 | ep[1] = '\0'; | |
858 | slot = get_active_slot(); | |
859 | slot->results = &results; | |
860 | curl_setup_http_get(slot->curl, url, DAV_MKCOL); | |
861 | if (start_active_slot(slot)) { | |
862 | run_active_slot(slot); | |
863 | if (results.curl_result != CURLE_OK && | |
864 | results.http_code != 405) { | |
865 | fprintf(stderr, | |
866 | "Unable to create branch path %s\n", | |
867 | url); | |
868 | free(url); | |
869 | return NULL; | |
870 | } | |
871 | } else { | |
872 | fprintf(stderr, "Unable to start MKCOL request\n"); | |
873 | free(url); | |
874 | return NULL; | |
875 | } | |
876 | ep[1] = saved_character; | |
877 | ep = strchr(ep + 1, '/'); | |
878 | } | |
879 | ||
880 | escaped = xml_entities(ident_default_email()); | |
881 | strbuf_addf(&out_buffer.buf, LOCK_REQUEST, escaped); | |
882 | free(escaped); | |
883 | ||
884 | xsnprintf(timeout_header, sizeof(timeout_header), "Timeout: Second-%ld", timeout); | |
885 | dav_headers = curl_slist_append(dav_headers, timeout_header); | |
886 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
887 | ||
888 | slot = get_active_slot(); | |
889 | slot->results = &results; | |
890 | curl_setup_http(slot->curl, url, DAV_LOCK, &out_buffer, fwrite_buffer); | |
891 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
892 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
893 | ||
894 | lock = xcalloc(1, sizeof(*lock)); | |
895 | lock->timeout = -1; | |
896 | ||
897 | if (start_active_slot(slot)) { | |
898 | run_active_slot(slot); | |
899 | if (results.curl_result == CURLE_OK) { | |
900 | XML_Parser parser = XML_ParserCreate(NULL); | |
901 | enum XML_Status result; | |
902 | ctx.name = xcalloc(10, 1); | |
903 | ctx.len = 0; | |
904 | ctx.cdata = NULL; | |
905 | ctx.userFunc = handle_new_lock_ctx; | |
906 | ctx.userData = lock; | |
907 | XML_SetUserData(parser, &ctx); | |
908 | XML_SetElementHandler(parser, xml_start_tag, | |
909 | xml_end_tag); | |
910 | XML_SetCharacterDataHandler(parser, xml_cdata); | |
911 | result = XML_Parse(parser, in_buffer.buf, | |
912 | in_buffer.len, 1); | |
913 | free(ctx.name); | |
914 | if (result != XML_STATUS_OK) { | |
915 | fprintf(stderr, "XML error: %s\n", | |
916 | XML_ErrorString( | |
917 | XML_GetErrorCode(parser))); | |
918 | lock->timeout = -1; | |
919 | } | |
920 | XML_ParserFree(parser); | |
921 | } else { | |
922 | fprintf(stderr, | |
923 | "error: curl result=%d, HTTP code=%ld\n", | |
924 | results.curl_result, results.http_code); | |
925 | } | |
926 | } else { | |
927 | fprintf(stderr, "Unable to start LOCK request\n"); | |
928 | } | |
929 | ||
930 | curl_slist_free_all(dav_headers); | |
931 | strbuf_release(&out_buffer.buf); | |
932 | strbuf_release(&in_buffer); | |
933 | ||
934 | if (lock->token == NULL || lock->timeout <= 0) { | |
935 | free(lock->token); | |
936 | free(lock->owner); | |
937 | free(url); | |
938 | FREE_AND_NULL(lock); | |
939 | } else { | |
940 | lock->url = url; | |
941 | lock->start_time = time(NULL); | |
942 | lock->next = repo->locks; | |
943 | repo->locks = lock; | |
944 | } | |
945 | ||
946 | return lock; | |
947 | } | |
948 | ||
949 | static int unlock_remote(struct remote_lock *lock) | |
950 | { | |
951 | struct active_request_slot *slot; | |
952 | struct slot_results results; | |
953 | struct remote_lock *prev = repo->locks; | |
954 | struct curl_slist *dav_headers; | |
955 | int rc = 0; | |
956 | ||
957 | dav_headers = get_dav_token_headers(lock, DAV_HEADER_LOCK); | |
958 | ||
959 | slot = get_active_slot(); | |
960 | slot->results = &results; | |
961 | curl_setup_http_get(slot->curl, lock->url, DAV_UNLOCK); | |
962 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
963 | ||
964 | if (start_active_slot(slot)) { | |
965 | run_active_slot(slot); | |
966 | if (results.curl_result == CURLE_OK) | |
967 | rc = 1; | |
968 | else | |
969 | fprintf(stderr, "UNLOCK HTTP error %ld\n", | |
970 | results.http_code); | |
971 | } else { | |
972 | fprintf(stderr, "Unable to start UNLOCK request\n"); | |
973 | } | |
974 | ||
975 | curl_slist_free_all(dav_headers); | |
976 | ||
977 | if (repo->locks == lock) { | |
978 | repo->locks = lock->next; | |
979 | } else { | |
980 | while (prev && prev->next != lock) | |
981 | prev = prev->next; | |
982 | if (prev) | |
983 | prev->next = prev->next->next; | |
984 | } | |
985 | ||
986 | free(lock->owner); | |
987 | free(lock->url); | |
988 | free(lock->token); | |
989 | free(lock); | |
990 | ||
991 | return rc; | |
992 | } | |
993 | ||
994 | static void remove_locks(void) | |
995 | { | |
996 | struct remote_lock *lock = repo->locks; | |
997 | ||
998 | fprintf(stderr, "Removing remote locks...\n"); | |
999 | while (lock) { | |
1000 | struct remote_lock *next = lock->next; | |
1001 | unlock_remote(lock); | |
1002 | lock = next; | |
1003 | } | |
1004 | } | |
1005 | ||
1006 | static void remove_locks_on_signal(int signo) | |
1007 | { | |
1008 | remove_locks(); | |
1009 | sigchain_pop(signo); | |
1010 | raise(signo); | |
1011 | } | |
1012 | ||
1013 | static void remote_ls(const char *path, int flags, | |
1014 | void (*userFunc)(struct remote_ls_ctx *ls), | |
1015 | void *userData); | |
1016 | ||
1017 | /* extract hex from sharded "xx/x{38}" filename */ | |
1018 | static int get_oid_hex_from_objpath(const char *path, struct object_id *oid) | |
1019 | { | |
1020 | if (strlen(path) != GIT_SHA1_HEXSZ + 1) | |
1021 | return -1; | |
1022 | ||
1023 | if (hex_to_bytes(oid->hash, path, 1)) | |
1024 | return -1; | |
1025 | path += 2; | |
1026 | path++; /* skip '/' */ | |
1027 | ||
1028 | return hex_to_bytes(oid->hash + 1, path, GIT_SHA1_RAWSZ - 1); | |
1029 | } | |
1030 | ||
1031 | static void process_ls_object(struct remote_ls_ctx *ls) | |
1032 | { | |
1033 | unsigned int *parent = (unsigned int *)ls->userData; | |
1034 | const char *path = ls->dentry_name; | |
1035 | struct object_id oid; | |
1036 | ||
1037 | if (!strcmp(ls->path, ls->dentry_name) && (ls->flags & IS_DIR)) { | |
1038 | remote_dir_exists[*parent] = 1; | |
1039 | return; | |
1040 | } | |
1041 | ||
1042 | if (!skip_prefix(path, "objects/", &path) || | |
1043 | get_oid_hex_from_objpath(path, &oid)) | |
1044 | return; | |
1045 | ||
1046 | one_remote_object(&oid); | |
1047 | } | |
1048 | ||
1049 | static void process_ls_ref(struct remote_ls_ctx *ls) | |
1050 | { | |
1051 | if (!strcmp(ls->path, ls->dentry_name) && (ls->dentry_flags & IS_DIR)) { | |
1052 | fprintf(stderr, " %s\n", ls->dentry_name); | |
1053 | return; | |
1054 | } | |
1055 | ||
1056 | if (!(ls->dentry_flags & IS_DIR)) | |
1057 | one_remote_ref(ls->dentry_name); | |
1058 | } | |
1059 | ||
1060 | static void handle_remote_ls_ctx(struct xml_ctx *ctx, int tag_closed) | |
1061 | { | |
1062 | struct remote_ls_ctx *ls = (struct remote_ls_ctx *)ctx->userData; | |
1063 | ||
1064 | if (tag_closed) { | |
1065 | if (!strcmp(ctx->name, DAV_PROPFIND_RESP) && ls->dentry_name) { | |
1066 | if (ls->dentry_flags & IS_DIR) { | |
1067 | ||
1068 | /* ensure collection names end with slash */ | |
1069 | str_end_url_with_slash(ls->dentry_name, &ls->dentry_name); | |
1070 | ||
1071 | if (ls->flags & PROCESS_DIRS) { | |
1072 | ls->userFunc(ls); | |
1073 | } | |
1074 | if (strcmp(ls->dentry_name, ls->path) && | |
1075 | ls->flags & RECURSIVE) { | |
1076 | remote_ls(ls->dentry_name, | |
1077 | ls->flags, | |
1078 | ls->userFunc, | |
1079 | ls->userData); | |
1080 | } | |
1081 | } else if (ls->flags & PROCESS_FILES) { | |
1082 | ls->userFunc(ls); | |
1083 | } | |
1084 | } else if (!strcmp(ctx->name, DAV_PROPFIND_NAME) && ctx->cdata) { | |
1085 | char *path = ctx->cdata; | |
1086 | if (*ctx->cdata == 'h') { | |
1087 | path = strstr(path, "//"); | |
1088 | if (path) { | |
1089 | path = strchr(path+2, '/'); | |
1090 | } | |
1091 | } | |
1092 | if (path) { | |
1093 | const char *url = repo->url; | |
1094 | if (repo->path) | |
1095 | url = repo->path; | |
1096 | if (strncmp(path, url, repo->path_len)) | |
1097 | error("Parsed path '%s' does not match url: '%s'", | |
1098 | path, url); | |
1099 | else { | |
1100 | path += repo->path_len; | |
1101 | ls->dentry_name = xstrdup(path); | |
1102 | } | |
1103 | } | |
1104 | } else if (!strcmp(ctx->name, DAV_PROPFIND_COLLECTION)) { | |
1105 | ls->dentry_flags |= IS_DIR; | |
1106 | } | |
1107 | } else if (!strcmp(ctx->name, DAV_PROPFIND_RESP)) { | |
1108 | FREE_AND_NULL(ls->dentry_name); | |
1109 | ls->dentry_flags = 0; | |
1110 | } | |
1111 | } | |
1112 | ||
1113 | /* | |
1114 | * NEEDSWORK: remote_ls() ignores info/refs on the remote side. But it | |
1115 | * should _only_ heed the information from that file, instead of trying to | |
1116 | * determine the refs from the remote file system (badly: it does not even | |
1117 | * know about packed-refs). | |
1118 | */ | |
1119 | static void remote_ls(const char *path, int flags, | |
1120 | void (*userFunc)(struct remote_ls_ctx *ls), | |
1121 | void *userData) | |
1122 | { | |
1123 | char *url = xstrfmt("%s%s", repo->url, path); | |
1124 | struct active_request_slot *slot; | |
1125 | struct slot_results results; | |
1126 | struct strbuf in_buffer = STRBUF_INIT; | |
1127 | struct buffer out_buffer = { STRBUF_INIT, 0 }; | |
1128 | struct curl_slist *dav_headers = http_copy_default_headers(); | |
1129 | struct xml_ctx ctx; | |
1130 | struct remote_ls_ctx ls; | |
1131 | ||
1132 | ls.flags = flags; | |
1133 | ls.path = xstrdup(path); | |
1134 | ls.dentry_name = NULL; | |
1135 | ls.dentry_flags = 0; | |
1136 | ls.userData = userData; | |
1137 | ls.userFunc = userFunc; | |
1138 | ||
1139 | strbuf_addstr(&out_buffer.buf, PROPFIND_ALL_REQUEST); | |
1140 | ||
1141 | dav_headers = curl_slist_append(dav_headers, "Depth: 1"); | |
1142 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1143 | ||
1144 | slot = get_active_slot(); | |
1145 | slot->results = &results; | |
1146 | curl_setup_http(slot->curl, url, DAV_PROPFIND, | |
1147 | &out_buffer, fwrite_buffer); | |
1148 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1149 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
1150 | ||
1151 | if (start_active_slot(slot)) { | |
1152 | run_active_slot(slot); | |
1153 | if (results.curl_result == CURLE_OK) { | |
1154 | XML_Parser parser = XML_ParserCreate(NULL); | |
1155 | enum XML_Status result; | |
1156 | ctx.name = xcalloc(10, 1); | |
1157 | ctx.len = 0; | |
1158 | ctx.cdata = NULL; | |
1159 | ctx.userFunc = handle_remote_ls_ctx; | |
1160 | ctx.userData = &ls; | |
1161 | XML_SetUserData(parser, &ctx); | |
1162 | XML_SetElementHandler(parser, xml_start_tag, | |
1163 | xml_end_tag); | |
1164 | XML_SetCharacterDataHandler(parser, xml_cdata); | |
1165 | result = XML_Parse(parser, in_buffer.buf, | |
1166 | in_buffer.len, 1); | |
1167 | free(ctx.name); | |
1168 | ||
1169 | if (result != XML_STATUS_OK) { | |
1170 | fprintf(stderr, "XML error: %s\n", | |
1171 | XML_ErrorString( | |
1172 | XML_GetErrorCode(parser))); | |
1173 | } | |
1174 | XML_ParserFree(parser); | |
1175 | } | |
1176 | } else { | |
1177 | fprintf(stderr, "Unable to start PROPFIND request\n"); | |
1178 | } | |
1179 | ||
1180 | free(ls.path); | |
1181 | free(url); | |
1182 | strbuf_release(&out_buffer.buf); | |
1183 | strbuf_release(&in_buffer); | |
1184 | curl_slist_free_all(dav_headers); | |
1185 | } | |
1186 | ||
1187 | static void get_remote_object_list(unsigned char parent) | |
1188 | { | |
1189 | char path[] = "objects/XX/"; | |
1190 | static const char hex[] = "0123456789abcdef"; | |
1191 | unsigned int val = parent; | |
1192 | ||
1193 | path[8] = hex[val >> 4]; | |
1194 | path[9] = hex[val & 0xf]; | |
1195 | remote_dir_exists[val] = 0; | |
1196 | remote_ls(path, (PROCESS_FILES | PROCESS_DIRS), | |
1197 | process_ls_object, &val); | |
1198 | } | |
1199 | ||
1200 | static int locking_available(void) | |
1201 | { | |
1202 | struct active_request_slot *slot; | |
1203 | struct slot_results results; | |
1204 | struct strbuf in_buffer = STRBUF_INIT; | |
1205 | struct buffer out_buffer = { STRBUF_INIT, 0 }; | |
1206 | struct curl_slist *dav_headers = http_copy_default_headers(); | |
1207 | struct xml_ctx ctx; | |
1208 | int lock_flags = 0; | |
1209 | char *escaped; | |
1210 | ||
1211 | escaped = xml_entities(repo->url); | |
1212 | strbuf_addf(&out_buffer.buf, PROPFIND_SUPPORTEDLOCK_REQUEST, escaped); | |
1213 | free(escaped); | |
1214 | ||
1215 | dav_headers = curl_slist_append(dav_headers, "Depth: 0"); | |
1216 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1217 | ||
1218 | slot = get_active_slot(); | |
1219 | slot->results = &results; | |
1220 | curl_setup_http(slot->curl, repo->url, DAV_PROPFIND, | |
1221 | &out_buffer, fwrite_buffer); | |
1222 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1223 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
1224 | ||
1225 | if (start_active_slot(slot)) { | |
1226 | run_active_slot(slot); | |
1227 | if (results.curl_result == CURLE_OK) { | |
1228 | XML_Parser parser = XML_ParserCreate(NULL); | |
1229 | enum XML_Status result; | |
1230 | ctx.name = xcalloc(10, 1); | |
1231 | ctx.len = 0; | |
1232 | ctx.cdata = NULL; | |
1233 | ctx.userFunc = handle_lockprop_ctx; | |
1234 | ctx.userData = &lock_flags; | |
1235 | XML_SetUserData(parser, &ctx); | |
1236 | XML_SetElementHandler(parser, xml_start_tag, | |
1237 | xml_end_tag); | |
1238 | result = XML_Parse(parser, in_buffer.buf, | |
1239 | in_buffer.len, 1); | |
1240 | free(ctx.name); | |
1241 | ||
1242 | if (result != XML_STATUS_OK) { | |
1243 | fprintf(stderr, "XML error: %s\n", | |
1244 | XML_ErrorString( | |
1245 | XML_GetErrorCode(parser))); | |
1246 | lock_flags = 0; | |
1247 | } | |
1248 | XML_ParserFree(parser); | |
1249 | if (!lock_flags) | |
1250 | error("no DAV locking support on %s", | |
1251 | repo->url); | |
1252 | ||
1253 | } else { | |
1254 | error("Cannot access URL %s, return code %d", | |
1255 | repo->url, results.curl_result); | |
1256 | lock_flags = 0; | |
1257 | } | |
1258 | } else { | |
1259 | error("Unable to start PROPFIND request on %s", repo->url); | |
1260 | } | |
1261 | ||
1262 | strbuf_release(&out_buffer.buf); | |
1263 | strbuf_release(&in_buffer); | |
1264 | curl_slist_free_all(dav_headers); | |
1265 | ||
1266 | return lock_flags; | |
1267 | } | |
1268 | ||
1269 | static struct object_list **add_one_object(struct object *obj, struct object_list **p) | |
1270 | { | |
1271 | struct object_list *entry = xmalloc(sizeof(struct object_list)); | |
1272 | entry->item = obj; | |
1273 | entry->next = *p; | |
1274 | *p = entry; | |
1275 | return &entry->next; | |
1276 | } | |
1277 | ||
1278 | static struct object_list **process_blob(struct blob *blob, | |
1279 | struct object_list **p) | |
1280 | { | |
1281 | struct object *obj = &blob->object; | |
1282 | ||
1283 | obj->flags |= LOCAL; | |
1284 | ||
1285 | if (obj->flags & (UNINTERESTING | SEEN)) | |
1286 | return p; | |
1287 | ||
1288 | obj->flags |= SEEN; | |
1289 | return add_one_object(obj, p); | |
1290 | } | |
1291 | ||
1292 | static struct object_list **process_tree(struct tree *tree, | |
1293 | struct object_list **p) | |
1294 | { | |
1295 | struct object *obj = &tree->object; | |
1296 | struct tree_desc desc; | |
1297 | struct name_entry entry; | |
1298 | ||
1299 | obj->flags |= LOCAL; | |
1300 | ||
1301 | if (obj->flags & (UNINTERESTING | SEEN)) | |
1302 | return p; | |
1303 | if (parse_tree(tree) < 0) | |
1304 | die("bad tree object %s", oid_to_hex(&obj->oid)); | |
1305 | ||
1306 | obj->flags |= SEEN; | |
1307 | p = add_one_object(obj, p); | |
1308 | ||
1309 | init_tree_desc(&desc, tree->buffer, tree->size); | |
1310 | ||
1311 | while (tree_entry(&desc, &entry)) | |
1312 | switch (object_type(entry.mode)) { | |
1313 | case OBJ_TREE: | |
1314 | p = process_tree(lookup_tree(the_repository, &entry.oid), | |
1315 | p); | |
1316 | break; | |
1317 | case OBJ_BLOB: | |
1318 | p = process_blob(lookup_blob(the_repository, &entry.oid), | |
1319 | p); | |
1320 | break; | |
1321 | default: | |
1322 | /* Subproject commit - not in this repository */ | |
1323 | break; | |
1324 | } | |
1325 | ||
1326 | free_tree_buffer(tree); | |
1327 | return p; | |
1328 | } | |
1329 | ||
1330 | static int get_delta(struct rev_info *revs, struct remote_lock *lock) | |
1331 | { | |
1332 | int i; | |
1333 | struct commit *commit; | |
1334 | struct object_list **p = &objects; | |
1335 | int count = 0; | |
1336 | ||
1337 | while ((commit = get_revision(revs)) != NULL) { | |
1338 | p = process_tree(get_commit_tree(commit), p); | |
1339 | commit->object.flags |= LOCAL; | |
1340 | if (!(commit->object.flags & UNINTERESTING)) | |
1341 | count += add_send_request(&commit->object, lock); | |
1342 | } | |
1343 | ||
1344 | for (i = 0; i < revs->pending.nr; i++) { | |
1345 | struct object_array_entry *entry = revs->pending.objects + i; | |
1346 | struct object *obj = entry->item; | |
1347 | const char *name = entry->name; | |
1348 | ||
1349 | if (obj->flags & (UNINTERESTING | SEEN)) | |
1350 | continue; | |
1351 | if (obj->type == OBJ_TAG) { | |
1352 | obj->flags |= SEEN; | |
1353 | p = add_one_object(obj, p); | |
1354 | continue; | |
1355 | } | |
1356 | if (obj->type == OBJ_TREE) { | |
1357 | p = process_tree((struct tree *)obj, p); | |
1358 | continue; | |
1359 | } | |
1360 | if (obj->type == OBJ_BLOB) { | |
1361 | p = process_blob((struct blob *)obj, p); | |
1362 | continue; | |
1363 | } | |
1364 | die("unknown pending object %s (%s)", oid_to_hex(&obj->oid), name); | |
1365 | } | |
1366 | ||
1367 | while (objects) { | |
1368 | if (!(objects->item->flags & UNINTERESTING)) | |
1369 | count += add_send_request(objects->item, lock); | |
1370 | objects = objects->next; | |
1371 | } | |
1372 | ||
1373 | return count; | |
1374 | } | |
1375 | ||
1376 | static int update_remote(unsigned char *sha1, struct remote_lock *lock) | |
1377 | { | |
1378 | struct active_request_slot *slot; | |
1379 | struct slot_results results; | |
1380 | struct buffer out_buffer = { STRBUF_INIT, 0 }; | |
1381 | struct curl_slist *dav_headers; | |
1382 | ||
1383 | dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF); | |
1384 | ||
1385 | strbuf_addf(&out_buffer.buf, "%s\n", sha1_to_hex(sha1)); | |
1386 | ||
1387 | slot = get_active_slot(); | |
1388 | slot->results = &results; | |
1389 | curl_setup_http(slot->curl, lock->url, DAV_PUT, | |
1390 | &out_buffer, fwrite_null); | |
1391 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1392 | ||
1393 | if (start_active_slot(slot)) { | |
1394 | run_active_slot(slot); | |
1395 | strbuf_release(&out_buffer.buf); | |
1396 | if (results.curl_result != CURLE_OK) { | |
1397 | fprintf(stderr, | |
1398 | "PUT error: curl result=%d, HTTP code=%ld\n", | |
1399 | results.curl_result, results.http_code); | |
1400 | /* We should attempt recovery? */ | |
1401 | return 0; | |
1402 | } | |
1403 | } else { | |
1404 | strbuf_release(&out_buffer.buf); | |
1405 | fprintf(stderr, "Unable to start PUT request\n"); | |
1406 | return 0; | |
1407 | } | |
1408 | ||
1409 | return 1; | |
1410 | } | |
1411 | ||
1412 | static struct ref *remote_refs; | |
1413 | ||
1414 | static void one_remote_ref(const char *refname) | |
1415 | { | |
1416 | struct ref *ref; | |
1417 | struct object *obj; | |
1418 | ||
1419 | ref = alloc_ref(refname); | |
1420 | ||
1421 | if (http_fetch_ref(repo->url, ref) != 0) { | |
1422 | fprintf(stderr, | |
1423 | "Unable to fetch ref %s from %s\n", | |
1424 | refname, repo->url); | |
1425 | free(ref); | |
1426 | return; | |
1427 | } | |
1428 | ||
1429 | /* | |
1430 | * Fetch a copy of the object if it doesn't exist locally - it | |
1431 | * may be required for updating server info later. | |
1432 | */ | |
1433 | if (repo->can_update_info_refs && !has_object_file(&ref->old_oid)) { | |
1434 | obj = lookup_unknown_object(ref->old_oid.hash); | |
1435 | fprintf(stderr, " fetch %s for %s\n", | |
1436 | oid_to_hex(&ref->old_oid), refname); | |
1437 | add_fetch_request(obj); | |
1438 | } | |
1439 | ||
1440 | ref->next = remote_refs; | |
1441 | remote_refs = ref; | |
1442 | } | |
1443 | ||
1444 | static void get_dav_remote_heads(void) | |
1445 | { | |
1446 | remote_ls("refs/", (PROCESS_FILES | PROCESS_DIRS | RECURSIVE), process_ls_ref, NULL); | |
1447 | } | |
1448 | ||
1449 | static void add_remote_info_ref(struct remote_ls_ctx *ls) | |
1450 | { | |
1451 | struct strbuf *buf = (struct strbuf *)ls->userData; | |
1452 | struct object *o; | |
1453 | struct ref *ref; | |
1454 | ||
1455 | ref = alloc_ref(ls->dentry_name); | |
1456 | ||
1457 | if (http_fetch_ref(repo->url, ref) != 0) { | |
1458 | fprintf(stderr, | |
1459 | "Unable to fetch ref %s from %s\n", | |
1460 | ls->dentry_name, repo->url); | |
1461 | aborted = 1; | |
1462 | free(ref); | |
1463 | return; | |
1464 | } | |
1465 | ||
1466 | o = parse_object(the_repository, &ref->old_oid); | |
1467 | if (!o) { | |
1468 | fprintf(stderr, | |
1469 | "Unable to parse object %s for remote ref %s\n", | |
1470 | oid_to_hex(&ref->old_oid), ls->dentry_name); | |
1471 | aborted = 1; | |
1472 | free(ref); | |
1473 | return; | |
1474 | } | |
1475 | ||
1476 | strbuf_addf(buf, "%s\t%s\n", | |
1477 | oid_to_hex(&ref->old_oid), ls->dentry_name); | |
1478 | ||
1479 | if (o->type == OBJ_TAG) { | |
1480 | o = deref_tag(the_repository, o, ls->dentry_name, 0); | |
1481 | if (o) | |
1482 | strbuf_addf(buf, "%s\t%s^{}\n", | |
1483 | oid_to_hex(&o->oid), ls->dentry_name); | |
1484 | } | |
1485 | free(ref); | |
1486 | } | |
1487 | ||
1488 | static void update_remote_info_refs(struct remote_lock *lock) | |
1489 | { | |
1490 | struct buffer buffer = { STRBUF_INIT, 0 }; | |
1491 | struct active_request_slot *slot; | |
1492 | struct slot_results results; | |
1493 | struct curl_slist *dav_headers; | |
1494 | ||
1495 | remote_ls("refs/", (PROCESS_FILES | RECURSIVE), | |
1496 | add_remote_info_ref, &buffer.buf); | |
1497 | if (!aborted) { | |
1498 | dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF); | |
1499 | ||
1500 | slot = get_active_slot(); | |
1501 | slot->results = &results; | |
1502 | curl_setup_http(slot->curl, lock->url, DAV_PUT, | |
1503 | &buffer, fwrite_null); | |
1504 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1505 | ||
1506 | if (start_active_slot(slot)) { | |
1507 | run_active_slot(slot); | |
1508 | if (results.curl_result != CURLE_OK) { | |
1509 | fprintf(stderr, | |
1510 | "PUT error: curl result=%d, HTTP code=%ld\n", | |
1511 | results.curl_result, results.http_code); | |
1512 | } | |
1513 | } | |
1514 | } | |
1515 | strbuf_release(&buffer.buf); | |
1516 | } | |
1517 | ||
1518 | static int remote_exists(const char *path) | |
1519 | { | |
1520 | char *url = xstrfmt("%s%s", repo->url, path); | |
1521 | int ret; | |
1522 | ||
1523 | ||
1524 | switch (http_get_strbuf(url, NULL, NULL)) { | |
1525 | case HTTP_OK: | |
1526 | ret = 1; | |
1527 | break; | |
1528 | case HTTP_MISSING_TARGET: | |
1529 | ret = 0; | |
1530 | break; | |
1531 | case HTTP_ERROR: | |
1532 | error("unable to access '%s': %s", url, curl_errorstr); | |
1533 | /* fallthrough */ | |
1534 | default: | |
1535 | ret = -1; | |
1536 | } | |
1537 | free(url); | |
1538 | return ret; | |
1539 | } | |
1540 | ||
1541 | static void fetch_symref(const char *path, char **symref, struct object_id *oid) | |
1542 | { | |
1543 | char *url = xstrfmt("%s%s", repo->url, path); | |
1544 | struct strbuf buffer = STRBUF_INIT; | |
1545 | const char *name; | |
1546 | ||
1547 | if (http_get_strbuf(url, &buffer, NULL) != HTTP_OK) | |
1548 | die("Couldn't get %s for remote symref\n%s", url, | |
1549 | curl_errorstr); | |
1550 | free(url); | |
1551 | ||
1552 | FREE_AND_NULL(*symref); | |
1553 | oidclr(oid); | |
1554 | ||
1555 | if (buffer.len == 0) | |
1556 | return; | |
1557 | ||
1558 | /* Cut off trailing newline. */ | |
1559 | strbuf_rtrim(&buffer); | |
1560 | ||
1561 | /* If it's a symref, set the refname; otherwise try for a sha1 */ | |
1562 | if (skip_prefix(buffer.buf, "ref: ", &name)) { | |
1563 | *symref = xmemdupz(name, buffer.len - (name - buffer.buf)); | |
1564 | } else { | |
1565 | get_oid_hex(buffer.buf, oid); | |
1566 | } | |
1567 | ||
1568 | strbuf_release(&buffer); | |
1569 | } | |
1570 | ||
1571 | static int verify_merge_base(struct object_id *head_oid, struct ref *remote) | |
1572 | { | |
1573 | struct commit *head = lookup_commit_or_die(head_oid, "HEAD"); | |
1574 | struct commit *branch = lookup_commit_or_die(&remote->old_oid, | |
1575 | remote->name); | |
1576 | ||
1577 | return in_merge_bases(branch, head); | |
1578 | } | |
1579 | ||
1580 | static int delete_remote_branch(const char *pattern, int force) | |
1581 | { | |
1582 | struct ref *refs = remote_refs; | |
1583 | struct ref *remote_ref = NULL; | |
1584 | struct object_id head_oid; | |
1585 | char *symref = NULL; | |
1586 | int match; | |
1587 | int patlen = strlen(pattern); | |
1588 | int i; | |
1589 | struct active_request_slot *slot; | |
1590 | struct slot_results results; | |
1591 | char *url; | |
1592 | ||
1593 | /* Find the remote branch(es) matching the specified branch name */ | |
1594 | for (match = 0; refs; refs = refs->next) { | |
1595 | char *name = refs->name; | |
1596 | int namelen = strlen(name); | |
1597 | if (namelen < patlen || | |
1598 | memcmp(name + namelen - patlen, pattern, patlen)) | |
1599 | continue; | |
1600 | if (namelen != patlen && name[namelen - patlen - 1] != '/') | |
1601 | continue; | |
1602 | match++; | |
1603 | remote_ref = refs; | |
1604 | } | |
1605 | if (match == 0) | |
1606 | return error("No remote branch matches %s", pattern); | |
1607 | if (match != 1) | |
1608 | return error("More than one remote branch matches %s", | |
1609 | pattern); | |
1610 | ||
1611 | /* | |
1612 | * Remote HEAD must be a symref (not exactly foolproof; a remote | |
1613 | * symlink to a symref will look like a symref) | |
1614 | */ | |
1615 | fetch_symref("HEAD", &symref, &head_oid); | |
1616 | if (!symref) | |
1617 | return error("Remote HEAD is not a symref"); | |
1618 | ||
1619 | /* Remote branch must not be the remote HEAD */ | |
1620 | for (i = 0; symref && i < MAXDEPTH; i++) { | |
1621 | if (!strcmp(remote_ref->name, symref)) | |
1622 | return error("Remote branch %s is the current HEAD", | |
1623 | remote_ref->name); | |
1624 | fetch_symref(symref, &symref, &head_oid); | |
1625 | } | |
1626 | ||
1627 | /* Run extra sanity checks if delete is not forced */ | |
1628 | if (!force) { | |
1629 | /* Remote HEAD must resolve to a known object */ | |
1630 | if (symref) | |
1631 | return error("Remote HEAD symrefs too deep"); | |
1632 | if (is_null_oid(&head_oid)) | |
1633 | return error("Unable to resolve remote HEAD"); | |
1634 | if (!has_object_file(&head_oid)) | |
1635 | return error("Remote HEAD resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", oid_to_hex(&head_oid)); | |
1636 | ||
1637 | /* Remote branch must resolve to a known object */ | |
1638 | if (is_null_oid(&remote_ref->old_oid)) | |
1639 | return error("Unable to resolve remote branch %s", | |
1640 | remote_ref->name); | |
1641 | if (!has_object_file(&remote_ref->old_oid)) | |
1642 | return error("Remote branch %s resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", remote_ref->name, oid_to_hex(&remote_ref->old_oid)); | |
1643 | ||
1644 | /* Remote branch must be an ancestor of remote HEAD */ | |
1645 | if (!verify_merge_base(&head_oid, remote_ref)) { | |
1646 | return error("The branch '%s' is not an ancestor " | |
1647 | "of your current HEAD.\n" | |
1648 | "If you are sure you want to delete it," | |
1649 | " run:\n\t'git http-push -D %s %s'", | |
1650 | remote_ref->name, repo->url, pattern); | |
1651 | } | |
1652 | } | |
1653 | ||
1654 | /* Send delete request */ | |
1655 | fprintf(stderr, "Removing remote branch '%s'\n", remote_ref->name); | |
1656 | if (dry_run) | |
1657 | return 0; | |
1658 | url = xstrfmt("%s%s", repo->url, remote_ref->name); | |
1659 | slot = get_active_slot(); | |
1660 | slot->results = &results; | |
1661 | curl_setup_http_get(slot->curl, url, DAV_DELETE); | |
1662 | if (start_active_slot(slot)) { | |
1663 | run_active_slot(slot); | |
1664 | free(url); | |
1665 | if (results.curl_result != CURLE_OK) | |
1666 | return error("DELETE request failed (%d/%ld)", | |
1667 | results.curl_result, results.http_code); | |
1668 | } else { | |
1669 | free(url); | |
1670 | return error("Unable to start DELETE request"); | |
1671 | } | |
1672 | ||
1673 | return 0; | |
1674 | } | |
1675 | ||
1676 | static void run_request_queue(void) | |
1677 | { | |
1678 | #ifdef USE_CURL_MULTI | |
1679 | is_running_queue = 1; | |
1680 | fill_active_slots(); | |
1681 | add_fill_function(NULL, fill_active_slot); | |
1682 | #endif | |
1683 | do { | |
1684 | finish_all_active_slots(); | |
1685 | #ifdef USE_CURL_MULTI | |
1686 | fill_active_slots(); | |
1687 | #endif | |
1688 | } while (request_queue_head && !aborted); | |
1689 | ||
1690 | #ifdef USE_CURL_MULTI | |
1691 | is_running_queue = 0; | |
1692 | #endif | |
1693 | } | |
1694 | ||
1695 | int cmd_main(int argc, const char **argv) | |
1696 | { | |
1697 | struct transfer_request *request; | |
1698 | struct transfer_request *next_request; | |
1699 | struct refspec rs = REFSPEC_INIT_PUSH; | |
1700 | struct remote_lock *ref_lock = NULL; | |
1701 | struct remote_lock *info_ref_lock = NULL; | |
1702 | struct rev_info revs; | |
1703 | int delete_branch = 0; | |
1704 | int force_delete = 0; | |
1705 | int objects_to_send; | |
1706 | int rc = 0; | |
1707 | int i; | |
1708 | int new_refs; | |
1709 | struct ref *ref, *local_refs; | |
1710 | ||
1711 | repo = xcalloc(1, sizeof(*repo)); | |
1712 | ||
1713 | argv++; | |
1714 | for (i = 1; i < argc; i++, argv++) { | |
1715 | const char *arg = *argv; | |
1716 | ||
1717 | if (*arg == '-') { | |
1718 | if (!strcmp(arg, "--all")) { | |
1719 | push_all = MATCH_REFS_ALL; | |
1720 | continue; | |
1721 | } | |
1722 | if (!strcmp(arg, "--force")) { | |
1723 | force_all = 1; | |
1724 | continue; | |
1725 | } | |
1726 | if (!strcmp(arg, "--dry-run")) { | |
1727 | dry_run = 1; | |
1728 | continue; | |
1729 | } | |
1730 | if (!strcmp(arg, "--helper-status")) { | |
1731 | helper_status = 1; | |
1732 | continue; | |
1733 | } | |
1734 | if (!strcmp(arg, "--verbose")) { | |
1735 | push_verbosely = 1; | |
1736 | http_is_verbose = 1; | |
1737 | continue; | |
1738 | } | |
1739 | if (!strcmp(arg, "-d")) { | |
1740 | delete_branch = 1; | |
1741 | continue; | |
1742 | } | |
1743 | if (!strcmp(arg, "-D")) { | |
1744 | delete_branch = 1; | |
1745 | force_delete = 1; | |
1746 | continue; | |
1747 | } | |
1748 | if (!strcmp(arg, "-h")) | |
1749 | usage(http_push_usage); | |
1750 | } | |
1751 | if (!repo->url) { | |
1752 | char *path = strstr(arg, "//"); | |
1753 | str_end_url_with_slash(arg, &repo->url); | |
1754 | repo->path_len = strlen(repo->url); | |
1755 | if (path) { | |
1756 | repo->path = strchr(path+2, '/'); | |
1757 | if (repo->path) | |
1758 | repo->path_len = strlen(repo->path); | |
1759 | } | |
1760 | continue; | |
1761 | } | |
1762 | refspec_appendn(&rs, argv, argc - i); | |
1763 | break; | |
1764 | } | |
1765 | ||
1766 | #ifndef USE_CURL_MULTI | |
1767 | die("git-push is not available for http/https repository when not compiled with USE_CURL_MULTI"); | |
1768 | #endif | |
1769 | ||
1770 | if (!repo->url) | |
1771 | usage(http_push_usage); | |
1772 | ||
1773 | if (delete_branch && rs.nr != 1) | |
1774 | die("You must specify only one branch name when deleting a remote branch"); | |
1775 | ||
1776 | setup_git_directory(); | |
1777 | ||
1778 | memset(remote_dir_exists, -1, 256); | |
1779 | ||
1780 | http_init(NULL, repo->url, 1); | |
1781 | ||
1782 | #ifdef USE_CURL_MULTI | |
1783 | is_running_queue = 0; | |
1784 | #endif | |
1785 | ||
1786 | /* Verify DAV compliance/lock support */ | |
1787 | if (!locking_available()) { | |
1788 | rc = 1; | |
1789 | goto cleanup; | |
1790 | } | |
1791 | ||
1792 | sigchain_push_common(remove_locks_on_signal); | |
1793 | ||
1794 | /* Check whether the remote has server info files */ | |
1795 | repo->can_update_info_refs = 0; | |
1796 | repo->has_info_refs = remote_exists("info/refs"); | |
1797 | repo->has_info_packs = remote_exists("objects/info/packs"); | |
1798 | if (repo->has_info_refs) { | |
1799 | info_ref_lock = lock_remote("info/refs", LOCK_TIME); | |
1800 | if (info_ref_lock) | |
1801 | repo->can_update_info_refs = 1; | |
1802 | else { | |
1803 | error("cannot lock existing info/refs"); | |
1804 | rc = 1; | |
1805 | goto cleanup; | |
1806 | } | |
1807 | } | |
1808 | if (repo->has_info_packs) | |
1809 | fetch_indices(); | |
1810 | ||
1811 | /* Get a list of all local and remote heads to validate refspecs */ | |
1812 | local_refs = get_local_heads(); | |
1813 | fprintf(stderr, "Fetching remote heads...\n"); | |
1814 | get_dav_remote_heads(); | |
1815 | run_request_queue(); | |
1816 | ||
1817 | /* Remove a remote branch if -d or -D was specified */ | |
1818 | if (delete_branch) { | |
1819 | const char *branch = rs.items[i].src; | |
1820 | if (delete_remote_branch(branch, force_delete) == -1) { | |
1821 | fprintf(stderr, "Unable to delete remote branch %s\n", | |
1822 | branch); | |
1823 | if (helper_status) | |
1824 | printf("error %s cannot remove\n", branch); | |
1825 | } | |
1826 | goto cleanup; | |
1827 | } | |
1828 | ||
1829 | /* match them up */ | |
1830 | if (match_push_refs(local_refs, &remote_refs, &rs, push_all)) { | |
1831 | rc = -1; | |
1832 | goto cleanup; | |
1833 | } | |
1834 | if (!remote_refs) { | |
1835 | fprintf(stderr, "No refs in common and none specified; doing nothing.\n"); | |
1836 | if (helper_status) | |
1837 | printf("error null no match\n"); | |
1838 | rc = 0; | |
1839 | goto cleanup; | |
1840 | } | |
1841 | ||
1842 | new_refs = 0; | |
1843 | for (ref = remote_refs; ref; ref = ref->next) { | |
1844 | struct argv_array commit_argv = ARGV_ARRAY_INIT; | |
1845 | ||
1846 | if (!ref->peer_ref) | |
1847 | continue; | |
1848 | ||
1849 | if (is_null_oid(&ref->peer_ref->new_oid)) { | |
1850 | if (delete_remote_branch(ref->name, 1) == -1) { | |
1851 | error("Could not remove %s", ref->name); | |
1852 | if (helper_status) | |
1853 | printf("error %s cannot remove\n", ref->name); | |
1854 | rc = -4; | |
1855 | } | |
1856 | else if (helper_status) | |
1857 | printf("ok %s\n", ref->name); | |
1858 | new_refs++; | |
1859 | continue; | |
1860 | } | |
1861 | ||
1862 | if (oideq(&ref->old_oid, &ref->peer_ref->new_oid)) { | |
1863 | if (push_verbosely) | |
1864 | fprintf(stderr, "'%s': up-to-date\n", ref->name); | |
1865 | if (helper_status) | |
1866 | printf("ok %s up to date\n", ref->name); | |
1867 | continue; | |
1868 | } | |
1869 | ||
1870 | if (!force_all && | |
1871 | !is_null_oid(&ref->old_oid) && | |
1872 | !ref->force) { | |
1873 | if (!has_object_file(&ref->old_oid) || | |
1874 | !ref_newer(&ref->peer_ref->new_oid, | |
1875 | &ref->old_oid)) { | |
1876 | /* | |
1877 | * We do not have the remote ref, or | |
1878 | * we know that the remote ref is not | |
1879 | * an ancestor of what we are trying to | |
1880 | * push. Either way this can be losing | |
1881 | * commits at the remote end and likely | |
1882 | * we were not up to date to begin with. | |
1883 | */ | |
1884 | error("remote '%s' is not an ancestor of\n" | |
1885 | "local '%s'.\n" | |
1886 | "Maybe you are not up-to-date and " | |
1887 | "need to pull first?", | |
1888 | ref->name, | |
1889 | ref->peer_ref->name); | |
1890 | if (helper_status) | |
1891 | printf("error %s non-fast forward\n", ref->name); | |
1892 | rc = -2; | |
1893 | continue; | |
1894 | } | |
1895 | } | |
1896 | oidcpy(&ref->new_oid, &ref->peer_ref->new_oid); | |
1897 | new_refs++; | |
1898 | ||
1899 | fprintf(stderr, "updating '%s'", ref->name); | |
1900 | if (strcmp(ref->name, ref->peer_ref->name)) | |
1901 | fprintf(stderr, " using '%s'", ref->peer_ref->name); | |
1902 | fprintf(stderr, "\n from %s\n to %s\n", | |
1903 | oid_to_hex(&ref->old_oid), oid_to_hex(&ref->new_oid)); | |
1904 | if (dry_run) { | |
1905 | if (helper_status) | |
1906 | printf("ok %s\n", ref->name); | |
1907 | continue; | |
1908 | } | |
1909 | ||
1910 | /* Lock remote branch ref */ | |
1911 | ref_lock = lock_remote(ref->name, LOCK_TIME); | |
1912 | if (ref_lock == NULL) { | |
1913 | fprintf(stderr, "Unable to lock remote branch %s\n", | |
1914 | ref->name); | |
1915 | if (helper_status) | |
1916 | printf("error %s lock error\n", ref->name); | |
1917 | rc = 1; | |
1918 | continue; | |
1919 | } | |
1920 | ||
1921 | /* Set up revision info for this refspec */ | |
1922 | argv_array_push(&commit_argv, ""); /* ignored */ | |
1923 | argv_array_push(&commit_argv, "--objects"); | |
1924 | argv_array_push(&commit_argv, oid_to_hex(&ref->new_oid)); | |
1925 | if (!push_all && !is_null_oid(&ref->old_oid)) | |
1926 | argv_array_pushf(&commit_argv, "^%s", | |
1927 | oid_to_hex(&ref->old_oid)); | |
1928 | repo_init_revisions(the_repository, &revs, setup_git_directory()); | |
1929 | setup_revisions(commit_argv.argc, commit_argv.argv, &revs, NULL); | |
1930 | revs.edge_hint = 0; /* just in case */ | |
1931 | ||
1932 | /* Generate a list of objects that need to be pushed */ | |
1933 | pushing = 0; | |
1934 | if (prepare_revision_walk(&revs)) | |
1935 | die("revision walk setup failed"); | |
1936 | mark_edges_uninteresting(&revs, NULL, 0); | |
1937 | objects_to_send = get_delta(&revs, ref_lock); | |
1938 | finish_all_active_slots(); | |
1939 | ||
1940 | /* Push missing objects to remote, this would be a | |
1941 | convenient time to pack them first if appropriate. */ | |
1942 | pushing = 1; | |
1943 | if (objects_to_send) | |
1944 | fprintf(stderr, " sending %d objects\n", | |
1945 | objects_to_send); | |
1946 | ||
1947 | run_request_queue(); | |
1948 | ||
1949 | /* Update the remote branch if all went well */ | |
1950 | if (aborted || !update_remote(ref->new_oid.hash, ref_lock)) | |
1951 | rc = 1; | |
1952 | ||
1953 | if (!rc) | |
1954 | fprintf(stderr, " done\n"); | |
1955 | if (helper_status) | |
1956 | printf("%s %s\n", !rc ? "ok" : "error", ref->name); | |
1957 | unlock_remote(ref_lock); | |
1958 | check_locks(); | |
1959 | argv_array_clear(&commit_argv); | |
1960 | } | |
1961 | ||
1962 | /* Update remote server info if appropriate */ | |
1963 | if (repo->has_info_refs && new_refs) { | |
1964 | if (info_ref_lock && repo->can_update_info_refs) { | |
1965 | fprintf(stderr, "Updating remote server info\n"); | |
1966 | if (!dry_run) | |
1967 | update_remote_info_refs(info_ref_lock); | |
1968 | } else { | |
1969 | fprintf(stderr, "Unable to update server info\n"); | |
1970 | } | |
1971 | } | |
1972 | ||
1973 | cleanup: | |
1974 | if (info_ref_lock) | |
1975 | unlock_remote(info_ref_lock); | |
1976 | free(repo); | |
1977 | ||
1978 | http_cleanup(); | |
1979 | ||
1980 | request = request_queue_head; | |
1981 | while (request != NULL) { | |
1982 | next_request = request->next; | |
1983 | release_request(request); | |
1984 | request = next_request; | |
1985 | } | |
1986 | ||
1987 | return rc; | |
1988 | } |