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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 | #include "argv-array.h" | |
14 | #include "packfile.h" | |
15 | ||
16 | #ifdef EXPAT_NEEDS_XMLPARSE_H | |
17 | #include <xmlparse.h> | |
18 | #else | |
19 | #include <expat.h> | |
20 | #endif | |
21 | ||
22 | static const char http_push_usage[] = | |
23 | "git http-push [--all] [--dry-run] [--force] [--verbose] <remote> [<head>...]\n"; | |
24 | ||
25 | #ifndef XML_STATUS_OK | |
26 | enum XML_Status { | |
27 | XML_STATUS_OK = 1, | |
28 | XML_STATUS_ERROR = 0 | |
29 | }; | |
30 | #define XML_STATUS_OK 1 | |
31 | #define XML_STATUS_ERROR 0 | |
32 | #endif | |
33 | ||
34 | #define PREV_BUF_SIZE 4096 | |
35 | ||
36 | /* DAV methods */ | |
37 | #define DAV_LOCK "LOCK" | |
38 | #define DAV_MKCOL "MKCOL" | |
39 | #define DAV_MOVE "MOVE" | |
40 | #define DAV_PROPFIND "PROPFIND" | |
41 | #define DAV_PUT "PUT" | |
42 | #define DAV_UNLOCK "UNLOCK" | |
43 | #define DAV_DELETE "DELETE" | |
44 | ||
45 | /* DAV lock flags */ | |
46 | #define DAV_PROP_LOCKWR (1u << 0) | |
47 | #define DAV_PROP_LOCKEX (1u << 1) | |
48 | #define DAV_LOCK_OK (1u << 2) | |
49 | ||
50 | /* DAV XML properties */ | |
51 | #define DAV_CTX_LOCKENTRY ".multistatus.response.propstat.prop.supportedlock.lockentry" | |
52 | #define DAV_CTX_LOCKTYPE_WRITE ".multistatus.response.propstat.prop.supportedlock.lockentry.locktype.write" | |
53 | #define DAV_CTX_LOCKTYPE_EXCLUSIVE ".multistatus.response.propstat.prop.supportedlock.lockentry.lockscope.exclusive" | |
54 | #define DAV_ACTIVELOCK_OWNER ".prop.lockdiscovery.activelock.owner.href" | |
55 | #define DAV_ACTIVELOCK_TIMEOUT ".prop.lockdiscovery.activelock.timeout" | |
56 | #define DAV_ACTIVELOCK_TOKEN ".prop.lockdiscovery.activelock.locktoken.href" | |
57 | #define DAV_PROPFIND_RESP ".multistatus.response" | |
58 | #define DAV_PROPFIND_NAME ".multistatus.response.href" | |
59 | #define DAV_PROPFIND_COLLECTION ".multistatus.response.propstat.prop.resourcetype.collection" | |
60 | ||
61 | /* DAV request body templates */ | |
62 | #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>" | |
63 | #define PROPFIND_ALL_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:propfind xmlns:D=\"DAV:\">\n<D:allprop/>\n</D:propfind>" | |
64 | #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>" | |
65 | ||
66 | #define LOCK_TIME 600 | |
67 | #define LOCK_REFRESH 30 | |
68 | ||
69 | /* Remember to update object flag allocation in object.h */ | |
70 | #define LOCAL (1u<<16) | |
71 | #define REMOTE (1u<<17) | |
72 | #define FETCHING (1u<<18) | |
73 | #define PUSHING (1u<<19) | |
74 | ||
75 | /* We allow "recursive" symbolic refs. Only within reason, though */ | |
76 | #define MAXDEPTH 5 | |
77 | ||
78 | static int pushing; | |
79 | static int aborted; | |
80 | static signed char remote_dir_exists[256]; | |
81 | ||
82 | static int push_verbosely; | |
83 | static int push_all = MATCH_REFS_NONE; | |
84 | static int force_all; | |
85 | static int dry_run; | |
86 | static int helper_status; | |
87 | ||
88 | static struct object_list *objects; | |
89 | ||
90 | struct repo { | |
91 | char *url; | |
92 | char *path; | |
93 | int path_len; | |
94 | int has_info_refs; | |
95 | int can_update_info_refs; | |
96 | int has_info_packs; | |
97 | struct packed_git *packs; | |
98 | struct remote_lock *locks; | |
99 | }; | |
100 | ||
101 | static struct repo *repo; | |
102 | ||
103 | enum transfer_state { | |
104 | NEED_FETCH, | |
105 | RUN_FETCH_LOOSE, | |
106 | RUN_FETCH_PACKED, | |
107 | NEED_PUSH, | |
108 | RUN_MKCOL, | |
109 | RUN_PUT, | |
110 | RUN_MOVE, | |
111 | ABORTED, | |
112 | COMPLETE | |
113 | }; | |
114 | ||
115 | struct transfer_request { | |
116 | struct object *obj; | |
117 | char *url; | |
118 | char *dest; | |
119 | struct remote_lock *lock; | |
120 | struct curl_slist *headers; | |
121 | struct buffer buffer; | |
122 | enum transfer_state state; | |
123 | CURLcode curl_result; | |
124 | char errorstr[CURL_ERROR_SIZE]; | |
125 | long http_code; | |
126 | void *userData; | |
127 | struct active_request_slot *slot; | |
128 | struct transfer_request *next; | |
129 | }; | |
130 | ||
131 | static struct transfer_request *request_queue_head; | |
132 | ||
133 | struct xml_ctx { | |
134 | char *name; | |
135 | int len; | |
136 | char *cdata; | |
137 | void (*userFunc)(struct xml_ctx *ctx, int tag_closed); | |
138 | void *userData; | |
139 | }; | |
140 | ||
141 | struct remote_lock { | |
142 | char *url; | |
143 | char *owner; | |
144 | char *token; | |
145 | char tmpfile_suffix[41]; | |
146 | time_t start_time; | |
147 | long timeout; | |
148 | int refreshing; | |
149 | struct remote_lock *next; | |
150 | }; | |
151 | ||
152 | /* Flags that control remote_ls processing */ | |
153 | #define PROCESS_FILES (1u << 0) | |
154 | #define PROCESS_DIRS (1u << 1) | |
155 | #define RECURSIVE (1u << 2) | |
156 | ||
157 | /* Flags that remote_ls passes to callback functions */ | |
158 | #define IS_DIR (1u << 0) | |
159 | ||
160 | struct remote_ls_ctx { | |
161 | char *path; | |
162 | void (*userFunc)(struct remote_ls_ctx *ls); | |
163 | void *userData; | |
164 | int flags; | |
165 | char *dentry_name; | |
166 | int dentry_flags; | |
167 | struct remote_ls_ctx *parent; | |
168 | }; | |
169 | ||
170 | /* get_dav_token_headers options */ | |
171 | enum dav_header_flag { | |
172 | DAV_HEADER_IF = (1u << 0), | |
173 | DAV_HEADER_LOCK = (1u << 1), | |
174 | DAV_HEADER_TIMEOUT = (1u << 2) | |
175 | }; | |
176 | ||
177 | static char *xml_entities(const char *s) | |
178 | { | |
179 | struct strbuf buf = STRBUF_INIT; | |
180 | strbuf_addstr_xml_quoted(&buf, s); | |
181 | return strbuf_detach(&buf, NULL); | |
182 | } | |
183 | ||
184 | static void curl_setup_http_get(CURL *curl, const char *url, | |
185 | const char *custom_req) | |
186 | { | |
187 | curl_easy_setopt(curl, CURLOPT_HTTPGET, 1); | |
188 | curl_easy_setopt(curl, CURLOPT_URL, url); | |
189 | curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, custom_req); | |
190 | curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
191 | } | |
192 | ||
193 | static void curl_setup_http(CURL *curl, const char *url, | |
194 | const char *custom_req, struct buffer *buffer, | |
195 | curl_write_callback write_fn) | |
196 | { | |
197 | curl_easy_setopt(curl, CURLOPT_PUT, 1); | |
198 | curl_easy_setopt(curl, CURLOPT_URL, url); | |
199 | curl_easy_setopt(curl, CURLOPT_INFILE, buffer); | |
200 | curl_easy_setopt(curl, CURLOPT_INFILESIZE, buffer->buf.len); | |
201 | curl_easy_setopt(curl, CURLOPT_READFUNCTION, fread_buffer); | |
202 | #ifndef NO_CURL_IOCTL | |
203 | curl_easy_setopt(curl, CURLOPT_IOCTLFUNCTION, ioctl_buffer); | |
204 | curl_easy_setopt(curl, CURLOPT_IOCTLDATA, buffer); | |
205 | #endif | |
206 | curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_fn); | |
207 | curl_easy_setopt(curl, CURLOPT_NOBODY, 0); | |
208 | curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, custom_req); | |
209 | curl_easy_setopt(curl, CURLOPT_UPLOAD, 1); | |
210 | } | |
211 | ||
212 | static struct curl_slist *get_dav_token_headers(struct remote_lock *lock, enum dav_header_flag options) | |
213 | { | |
214 | struct strbuf buf = STRBUF_INIT; | |
215 | struct curl_slist *dav_headers = http_copy_default_headers(); | |
216 | ||
217 | if (options & DAV_HEADER_IF) { | |
218 | strbuf_addf(&buf, "If: (<%s>)", lock->token); | |
219 | dav_headers = curl_slist_append(dav_headers, buf.buf); | |
220 | strbuf_reset(&buf); | |
221 | } | |
222 | if (options & DAV_HEADER_LOCK) { | |
223 | strbuf_addf(&buf, "Lock-Token: <%s>", lock->token); | |
224 | dav_headers = curl_slist_append(dav_headers, buf.buf); | |
225 | strbuf_reset(&buf); | |
226 | } | |
227 | if (options & DAV_HEADER_TIMEOUT) { | |
228 | strbuf_addf(&buf, "Timeout: Second-%ld", lock->timeout); | |
229 | dav_headers = curl_slist_append(dav_headers, buf.buf); | |
230 | strbuf_reset(&buf); | |
231 | } | |
232 | strbuf_release(&buf); | |
233 | ||
234 | return dav_headers; | |
235 | } | |
236 | ||
237 | static void finish_request(struct transfer_request *request); | |
238 | static void release_request(struct transfer_request *request); | |
239 | ||
240 | static void process_response(void *callback_data) | |
241 | { | |
242 | struct transfer_request *request = | |
243 | (struct transfer_request *)callback_data; | |
244 | ||
245 | finish_request(request); | |
246 | } | |
247 | ||
248 | #ifdef USE_CURL_MULTI | |
249 | ||
250 | static void start_fetch_loose(struct transfer_request *request) | |
251 | { | |
252 | struct active_request_slot *slot; | |
253 | struct http_object_request *obj_req; | |
254 | ||
255 | obj_req = new_http_object_request(repo->url, request->obj->oid.hash); | |
256 | if (obj_req == NULL) { | |
257 | request->state = ABORTED; | |
258 | return; | |
259 | } | |
260 | ||
261 | slot = obj_req->slot; | |
262 | slot->callback_func = process_response; | |
263 | slot->callback_data = request; | |
264 | request->slot = slot; | |
265 | request->userData = obj_req; | |
266 | ||
267 | /* Try to get the request started, abort the request on error */ | |
268 | request->state = RUN_FETCH_LOOSE; | |
269 | if (!start_active_slot(slot)) { | |
270 | fprintf(stderr, "Unable to start GET request\n"); | |
271 | repo->can_update_info_refs = 0; | |
272 | release_http_object_request(obj_req); | |
273 | release_request(request); | |
274 | } | |
275 | } | |
276 | ||
277 | static void start_mkcol(struct transfer_request *request) | |
278 | { | |
279 | char *hex = oid_to_hex(&request->obj->oid); | |
280 | struct active_request_slot *slot; | |
281 | ||
282 | request->url = get_remote_object_url(repo->url, hex, 1); | |
283 | ||
284 | slot = get_active_slot(); | |
285 | slot->callback_func = process_response; | |
286 | slot->callback_data = request; | |
287 | curl_setup_http_get(slot->curl, request->url, DAV_MKCOL); | |
288 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr); | |
289 | ||
290 | if (start_active_slot(slot)) { | |
291 | request->slot = slot; | |
292 | request->state = RUN_MKCOL; | |
293 | } else { | |
294 | request->state = ABORTED; | |
295 | FREE_AND_NULL(request->url); | |
296 | } | |
297 | } | |
298 | #endif | |
299 | ||
300 | static void start_fetch_packed(struct transfer_request *request) | |
301 | { | |
302 | struct packed_git *target; | |
303 | ||
304 | struct transfer_request *check_request = request_queue_head; | |
305 | struct http_pack_request *preq; | |
306 | ||
307 | target = find_sha1_pack(request->obj->oid.hash, repo->packs); | |
308 | if (!target) { | |
309 | fprintf(stderr, "Unable to fetch %s, will not be able to update server info refs\n", oid_to_hex(&request->obj->oid)); | |
310 | repo->can_update_info_refs = 0; | |
311 | release_request(request); | |
312 | return; | |
313 | } | |
314 | ||
315 | fprintf(stderr, "Fetching pack %s\n", sha1_to_hex(target->sha1)); | |
316 | fprintf(stderr, " which contains %s\n", oid_to_hex(&request->obj->oid)); | |
317 | ||
318 | preq = new_http_pack_request(target, repo->url); | |
319 | if (preq == NULL) { | |
320 | repo->can_update_info_refs = 0; | |
321 | return; | |
322 | } | |
323 | preq->lst = &repo->packs; | |
324 | ||
325 | /* Make sure there isn't another open request for this pack */ | |
326 | while (check_request) { | |
327 | if (check_request->state == RUN_FETCH_PACKED && | |
328 | !strcmp(check_request->url, preq->url)) { | |
329 | release_http_pack_request(preq); | |
330 | release_request(request); | |
331 | return; | |
332 | } | |
333 | check_request = check_request->next; | |
334 | } | |
335 | ||
336 | preq->slot->callback_func = process_response; | |
337 | preq->slot->callback_data = request; | |
338 | request->slot = preq->slot; | |
339 | request->userData = preq; | |
340 | ||
341 | /* Try to get the request started, abort the request on error */ | |
342 | request->state = RUN_FETCH_PACKED; | |
343 | if (!start_active_slot(preq->slot)) { | |
344 | fprintf(stderr, "Unable to start GET request\n"); | |
345 | release_http_pack_request(preq); | |
346 | repo->can_update_info_refs = 0; | |
347 | release_request(request); | |
348 | } | |
349 | } | |
350 | ||
351 | static void start_put(struct transfer_request *request) | |
352 | { | |
353 | char *hex = oid_to_hex(&request->obj->oid); | |
354 | struct active_request_slot *slot; | |
355 | struct strbuf buf = STRBUF_INIT; | |
356 | enum object_type type; | |
357 | char hdr[50]; | |
358 | void *unpacked; | |
359 | unsigned long len; | |
360 | int hdrlen; | |
361 | ssize_t size; | |
362 | git_zstream stream; | |
363 | ||
364 | unpacked = read_sha1_file(request->obj->oid.hash, &type, &len); | |
365 | hdrlen = xsnprintf(hdr, sizeof(hdr), "%s %lu", typename(type), len) + 1; | |
366 | ||
367 | /* Set it up */ | |
368 | git_deflate_init(&stream, zlib_compression_level); | |
369 | size = git_deflate_bound(&stream, len + hdrlen); | |
370 | strbuf_init(&request->buffer.buf, size); | |
371 | request->buffer.posn = 0; | |
372 | ||
373 | /* Compress it */ | |
374 | stream.next_out = (unsigned char *)request->buffer.buf.buf; | |
375 | stream.avail_out = size; | |
376 | ||
377 | /* First header.. */ | |
378 | stream.next_in = (void *)hdr; | |
379 | stream.avail_in = hdrlen; | |
380 | while (git_deflate(&stream, 0) == Z_OK) | |
381 | ; /* nothing */ | |
382 | ||
383 | /* Then the data itself.. */ | |
384 | stream.next_in = unpacked; | |
385 | stream.avail_in = len; | |
386 | while (git_deflate(&stream, Z_FINISH) == Z_OK) | |
387 | ; /* nothing */ | |
388 | git_deflate_end(&stream); | |
389 | free(unpacked); | |
390 | ||
391 | request->buffer.buf.len = stream.total_out; | |
392 | ||
393 | strbuf_addstr(&buf, "Destination: "); | |
394 | append_remote_object_url(&buf, repo->url, hex, 0); | |
395 | request->dest = strbuf_detach(&buf, NULL); | |
396 | ||
397 | append_remote_object_url(&buf, repo->url, hex, 0); | |
398 | strbuf_add(&buf, request->lock->tmpfile_suffix, 41); | |
399 | request->url = strbuf_detach(&buf, NULL); | |
400 | ||
401 | slot = get_active_slot(); | |
402 | slot->callback_func = process_response; | |
403 | slot->callback_data = request; | |
404 | curl_setup_http(slot->curl, request->url, DAV_PUT, | |
405 | &request->buffer, fwrite_null); | |
406 | ||
407 | if (start_active_slot(slot)) { | |
408 | request->slot = slot; | |
409 | request->state = RUN_PUT; | |
410 | } else { | |
411 | request->state = ABORTED; | |
412 | FREE_AND_NULL(request->url); | |
413 | } | |
414 | } | |
415 | ||
416 | static void start_move(struct transfer_request *request) | |
417 | { | |
418 | struct active_request_slot *slot; | |
419 | struct curl_slist *dav_headers = http_copy_default_headers(); | |
420 | ||
421 | slot = get_active_slot(); | |
422 | slot->callback_func = process_response; | |
423 | slot->callback_data = request; | |
424 | curl_setup_http_get(slot->curl, request->url, DAV_MOVE); | |
425 | dav_headers = curl_slist_append(dav_headers, request->dest); | |
426 | dav_headers = curl_slist_append(dav_headers, "Overwrite: T"); | |
427 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
428 | ||
429 | if (start_active_slot(slot)) { | |
430 | request->slot = slot; | |
431 | request->state = RUN_MOVE; | |
432 | } else { | |
433 | request->state = ABORTED; | |
434 | FREE_AND_NULL(request->url); | |
435 | } | |
436 | } | |
437 | ||
438 | static int refresh_lock(struct remote_lock *lock) | |
439 | { | |
440 | struct active_request_slot *slot; | |
441 | struct slot_results results; | |
442 | struct curl_slist *dav_headers; | |
443 | int rc = 0; | |
444 | ||
445 | lock->refreshing = 1; | |
446 | ||
447 | dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF | DAV_HEADER_TIMEOUT); | |
448 | ||
449 | slot = get_active_slot(); | |
450 | slot->results = &results; | |
451 | curl_setup_http_get(slot->curl, lock->url, DAV_LOCK); | |
452 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
453 | ||
454 | if (start_active_slot(slot)) { | |
455 | run_active_slot(slot); | |
456 | if (results.curl_result != CURLE_OK) { | |
457 | fprintf(stderr, "LOCK HTTP error %ld\n", | |
458 | results.http_code); | |
459 | } else { | |
460 | lock->start_time = time(NULL); | |
461 | rc = 1; | |
462 | } | |
463 | } | |
464 | ||
465 | lock->refreshing = 0; | |
466 | curl_slist_free_all(dav_headers); | |
467 | ||
468 | return rc; | |
469 | } | |
470 | ||
471 | static void check_locks(void) | |
472 | { | |
473 | struct remote_lock *lock = repo->locks; | |
474 | time_t current_time = time(NULL); | |
475 | int time_remaining; | |
476 | ||
477 | while (lock) { | |
478 | time_remaining = lock->start_time + lock->timeout - | |
479 | current_time; | |
480 | if (!lock->refreshing && time_remaining < LOCK_REFRESH) { | |
481 | if (!refresh_lock(lock)) { | |
482 | fprintf(stderr, | |
483 | "Unable to refresh lock for %s\n", | |
484 | lock->url); | |
485 | aborted = 1; | |
486 | return; | |
487 | } | |
488 | } | |
489 | lock = lock->next; | |
490 | } | |
491 | } | |
492 | ||
493 | static void release_request(struct transfer_request *request) | |
494 | { | |
495 | struct transfer_request *entry = request_queue_head; | |
496 | ||
497 | if (request == request_queue_head) { | |
498 | request_queue_head = request->next; | |
499 | } else { | |
500 | while (entry->next != NULL && entry->next != request) | |
501 | entry = entry->next; | |
502 | if (entry->next == request) | |
503 | entry->next = entry->next->next; | |
504 | } | |
505 | ||
506 | free(request->url); | |
507 | free(request); | |
508 | } | |
509 | ||
510 | static void finish_request(struct transfer_request *request) | |
511 | { | |
512 | struct http_pack_request *preq; | |
513 | struct http_object_request *obj_req; | |
514 | ||
515 | request->curl_result = request->slot->curl_result; | |
516 | request->http_code = request->slot->http_code; | |
517 | request->slot = NULL; | |
518 | ||
519 | /* Keep locks active */ | |
520 | check_locks(); | |
521 | ||
522 | if (request->headers != NULL) | |
523 | curl_slist_free_all(request->headers); | |
524 | ||
525 | /* URL is reused for MOVE after PUT */ | |
526 | if (request->state != RUN_PUT) { | |
527 | FREE_AND_NULL(request->url); | |
528 | } | |
529 | ||
530 | if (request->state == RUN_MKCOL) { | |
531 | if (request->curl_result == CURLE_OK || | |
532 | request->http_code == 405) { | |
533 | remote_dir_exists[request->obj->oid.hash[0]] = 1; | |
534 | start_put(request); | |
535 | } else { | |
536 | fprintf(stderr, "MKCOL %s failed, aborting (%d/%ld)\n", | |
537 | oid_to_hex(&request->obj->oid), | |
538 | request->curl_result, request->http_code); | |
539 | request->state = ABORTED; | |
540 | aborted = 1; | |
541 | } | |
542 | } else if (request->state == RUN_PUT) { | |
543 | if (request->curl_result == CURLE_OK) { | |
544 | start_move(request); | |
545 | } else { | |
546 | fprintf(stderr, "PUT %s failed, aborting (%d/%ld)\n", | |
547 | oid_to_hex(&request->obj->oid), | |
548 | request->curl_result, request->http_code); | |
549 | request->state = ABORTED; | |
550 | aborted = 1; | |
551 | } | |
552 | } else if (request->state == RUN_MOVE) { | |
553 | if (request->curl_result == CURLE_OK) { | |
554 | if (push_verbosely) | |
555 | fprintf(stderr, " sent %s\n", | |
556 | oid_to_hex(&request->obj->oid)); | |
557 | request->obj->flags |= REMOTE; | |
558 | release_request(request); | |
559 | } else { | |
560 | fprintf(stderr, "MOVE %s failed, aborting (%d/%ld)\n", | |
561 | oid_to_hex(&request->obj->oid), | |
562 | request->curl_result, request->http_code); | |
563 | request->state = ABORTED; | |
564 | aborted = 1; | |
565 | } | |
566 | } else if (request->state == RUN_FETCH_LOOSE) { | |
567 | obj_req = (struct http_object_request *)request->userData; | |
568 | ||
569 | if (finish_http_object_request(obj_req) == 0) | |
570 | if (obj_req->rename == 0) | |
571 | request->obj->flags |= (LOCAL | REMOTE); | |
572 | ||
573 | /* Try fetching packed if necessary */ | |
574 | if (request->obj->flags & LOCAL) { | |
575 | release_http_object_request(obj_req); | |
576 | release_request(request); | |
577 | } else | |
578 | start_fetch_packed(request); | |
579 | ||
580 | } else if (request->state == RUN_FETCH_PACKED) { | |
581 | int fail = 1; | |
582 | if (request->curl_result != CURLE_OK) { | |
583 | fprintf(stderr, "Unable to get pack file %s\n%s", | |
584 | request->url, curl_errorstr); | |
585 | } else { | |
586 | preq = (struct http_pack_request *)request->userData; | |
587 | ||
588 | if (preq) { | |
589 | if (finish_http_pack_request(preq) == 0) | |
590 | fail = 0; | |
591 | release_http_pack_request(preq); | |
592 | } | |
593 | } | |
594 | if (fail) | |
595 | repo->can_update_info_refs = 0; | |
596 | release_request(request); | |
597 | } | |
598 | } | |
599 | ||
600 | #ifdef USE_CURL_MULTI | |
601 | static int is_running_queue; | |
602 | static int fill_active_slot(void *unused) | |
603 | { | |
604 | struct transfer_request *request; | |
605 | ||
606 | if (aborted || !is_running_queue) | |
607 | return 0; | |
608 | ||
609 | for (request = request_queue_head; request; request = request->next) { | |
610 | if (request->state == NEED_FETCH) { | |
611 | start_fetch_loose(request); | |
612 | return 1; | |
613 | } else if (pushing && request->state == NEED_PUSH) { | |
614 | if (remote_dir_exists[request->obj->oid.hash[0]] == 1) { | |
615 | start_put(request); | |
616 | } else { | |
617 | start_mkcol(request); | |
618 | } | |
619 | return 1; | |
620 | } | |
621 | } | |
622 | return 0; | |
623 | } | |
624 | #endif | |
625 | ||
626 | static void get_remote_object_list(unsigned char parent); | |
627 | ||
628 | static void add_fetch_request(struct object *obj) | |
629 | { | |
630 | struct transfer_request *request; | |
631 | ||
632 | check_locks(); | |
633 | ||
634 | /* | |
635 | * Don't fetch the object if it's known to exist locally | |
636 | * or is already in the request queue | |
637 | */ | |
638 | if (remote_dir_exists[obj->oid.hash[0]] == -1) | |
639 | get_remote_object_list(obj->oid.hash[0]); | |
640 | if (obj->flags & (LOCAL | FETCHING)) | |
641 | return; | |
642 | ||
643 | obj->flags |= FETCHING; | |
644 | request = xmalloc(sizeof(*request)); | |
645 | request->obj = obj; | |
646 | request->url = NULL; | |
647 | request->lock = NULL; | |
648 | request->headers = NULL; | |
649 | request->state = NEED_FETCH; | |
650 | request->next = request_queue_head; | |
651 | request_queue_head = request; | |
652 | ||
653 | #ifdef USE_CURL_MULTI | |
654 | fill_active_slots(); | |
655 | step_active_slots(); | |
656 | #endif | |
657 | } | |
658 | ||
659 | static int add_send_request(struct object *obj, struct remote_lock *lock) | |
660 | { | |
661 | struct transfer_request *request; | |
662 | struct packed_git *target; | |
663 | ||
664 | /* Keep locks active */ | |
665 | check_locks(); | |
666 | ||
667 | /* | |
668 | * Don't push the object if it's known to exist on the remote | |
669 | * or is already in the request queue | |
670 | */ | |
671 | if (remote_dir_exists[obj->oid.hash[0]] == -1) | |
672 | get_remote_object_list(obj->oid.hash[0]); | |
673 | if (obj->flags & (REMOTE | PUSHING)) | |
674 | return 0; | |
675 | target = find_sha1_pack(obj->oid.hash, repo->packs); | |
676 | if (target) { | |
677 | obj->flags |= REMOTE; | |
678 | return 0; | |
679 | } | |
680 | ||
681 | obj->flags |= PUSHING; | |
682 | request = xmalloc(sizeof(*request)); | |
683 | request->obj = obj; | |
684 | request->url = NULL; | |
685 | request->lock = lock; | |
686 | request->headers = NULL; | |
687 | request->state = NEED_PUSH; | |
688 | request->next = request_queue_head; | |
689 | request_queue_head = request; | |
690 | ||
691 | #ifdef USE_CURL_MULTI | |
692 | fill_active_slots(); | |
693 | step_active_slots(); | |
694 | #endif | |
695 | ||
696 | return 1; | |
697 | } | |
698 | ||
699 | static int fetch_indices(void) | |
700 | { | |
701 | int ret; | |
702 | ||
703 | if (push_verbosely) | |
704 | fprintf(stderr, "Getting pack list\n"); | |
705 | ||
706 | switch (http_get_info_packs(repo->url, &repo->packs)) { | |
707 | case HTTP_OK: | |
708 | case HTTP_MISSING_TARGET: | |
709 | ret = 0; | |
710 | break; | |
711 | default: | |
712 | ret = -1; | |
713 | } | |
714 | ||
715 | return ret; | |
716 | } | |
717 | ||
718 | static void one_remote_object(const struct object_id *oid) | |
719 | { | |
720 | struct object *obj; | |
721 | ||
722 | obj = lookup_object(oid->hash); | |
723 | if (!obj) | |
724 | obj = parse_object(oid); | |
725 | ||
726 | /* Ignore remote objects that don't exist locally */ | |
727 | if (!obj) | |
728 | return; | |
729 | ||
730 | obj->flags |= REMOTE; | |
731 | if (!object_list_contains(objects, obj)) | |
732 | object_list_insert(obj, &objects); | |
733 | } | |
734 | ||
735 | static void handle_lockprop_ctx(struct xml_ctx *ctx, int tag_closed) | |
736 | { | |
737 | int *lock_flags = (int *)ctx->userData; | |
738 | ||
739 | if (tag_closed) { | |
740 | if (!strcmp(ctx->name, DAV_CTX_LOCKENTRY)) { | |
741 | if ((*lock_flags & DAV_PROP_LOCKEX) && | |
742 | (*lock_flags & DAV_PROP_LOCKWR)) { | |
743 | *lock_flags |= DAV_LOCK_OK; | |
744 | } | |
745 | *lock_flags &= DAV_LOCK_OK; | |
746 | } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_WRITE)) { | |
747 | *lock_flags |= DAV_PROP_LOCKWR; | |
748 | } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_EXCLUSIVE)) { | |
749 | *lock_flags |= DAV_PROP_LOCKEX; | |
750 | } | |
751 | } | |
752 | } | |
753 | ||
754 | static void handle_new_lock_ctx(struct xml_ctx *ctx, int tag_closed) | |
755 | { | |
756 | struct remote_lock *lock = (struct remote_lock *)ctx->userData; | |
757 | git_SHA_CTX sha_ctx; | |
758 | unsigned char lock_token_sha1[20]; | |
759 | ||
760 | if (tag_closed && ctx->cdata) { | |
761 | if (!strcmp(ctx->name, DAV_ACTIVELOCK_OWNER)) { | |
762 | lock->owner = xstrdup(ctx->cdata); | |
763 | } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TIMEOUT)) { | |
764 | const char *arg; | |
765 | if (skip_prefix(ctx->cdata, "Second-", &arg)) | |
766 | lock->timeout = strtol(arg, NULL, 10); | |
767 | } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TOKEN)) { | |
768 | lock->token = xstrdup(ctx->cdata); | |
769 | ||
770 | git_SHA1_Init(&sha_ctx); | |
771 | git_SHA1_Update(&sha_ctx, lock->token, strlen(lock->token)); | |
772 | git_SHA1_Final(lock_token_sha1, &sha_ctx); | |
773 | ||
774 | lock->tmpfile_suffix[0] = '_'; | |
775 | memcpy(lock->tmpfile_suffix + 1, sha1_to_hex(lock_token_sha1), 40); | |
776 | } | |
777 | } | |
778 | } | |
779 | ||
780 | static void one_remote_ref(const char *refname); | |
781 | ||
782 | static void | |
783 | xml_start_tag(void *userData, const char *name, const char **atts) | |
784 | { | |
785 | struct xml_ctx *ctx = (struct xml_ctx *)userData; | |
786 | const char *c = strchr(name, ':'); | |
787 | int old_namelen, new_len; | |
788 | ||
789 | if (c == NULL) | |
790 | c = name; | |
791 | else | |
792 | c++; | |
793 | ||
794 | old_namelen = strlen(ctx->name); | |
795 | new_len = old_namelen + strlen(c) + 2; | |
796 | ||
797 | if (new_len > ctx->len) { | |
798 | ctx->name = xrealloc(ctx->name, new_len); | |
799 | ctx->len = new_len; | |
800 | } | |
801 | xsnprintf(ctx->name + old_namelen, ctx->len - old_namelen, ".%s", c); | |
802 | ||
803 | FREE_AND_NULL(ctx->cdata); | |
804 | ||
805 | ctx->userFunc(ctx, 0); | |
806 | } | |
807 | ||
808 | static void | |
809 | xml_end_tag(void *userData, const char *name) | |
810 | { | |
811 | struct xml_ctx *ctx = (struct xml_ctx *)userData; | |
812 | const char *c = strchr(name, ':'); | |
813 | char *ep; | |
814 | ||
815 | ctx->userFunc(ctx, 1); | |
816 | ||
817 | if (c == NULL) | |
818 | c = name; | |
819 | else | |
820 | c++; | |
821 | ||
822 | ep = ctx->name + strlen(ctx->name) - strlen(c) - 1; | |
823 | *ep = 0; | |
824 | } | |
825 | ||
826 | static void | |
827 | xml_cdata(void *userData, const XML_Char *s, int len) | |
828 | { | |
829 | struct xml_ctx *ctx = (struct xml_ctx *)userData; | |
830 | free(ctx->cdata); | |
831 | ctx->cdata = xmemdupz(s, len); | |
832 | } | |
833 | ||
834 | static struct remote_lock *lock_remote(const char *path, long timeout) | |
835 | { | |
836 | struct active_request_slot *slot; | |
837 | struct slot_results results; | |
838 | struct buffer out_buffer = { STRBUF_INIT, 0 }; | |
839 | struct strbuf in_buffer = STRBUF_INIT; | |
840 | char *url; | |
841 | char *ep; | |
842 | char timeout_header[25]; | |
843 | struct remote_lock *lock = NULL; | |
844 | struct curl_slist *dav_headers = http_copy_default_headers(); | |
845 | struct xml_ctx ctx; | |
846 | char *escaped; | |
847 | ||
848 | url = xstrfmt("%s%s", repo->url, path); | |
849 | ||
850 | /* Make sure leading directories exist for the remote ref */ | |
851 | ep = strchr(url + strlen(repo->url) + 1, '/'); | |
852 | while (ep) { | |
853 | char saved_character = ep[1]; | |
854 | ep[1] = '\0'; | |
855 | slot = get_active_slot(); | |
856 | slot->results = &results; | |
857 | curl_setup_http_get(slot->curl, url, DAV_MKCOL); | |
858 | if (start_active_slot(slot)) { | |
859 | run_active_slot(slot); | |
860 | if (results.curl_result != CURLE_OK && | |
861 | results.http_code != 405) { | |
862 | fprintf(stderr, | |
863 | "Unable to create branch path %s\n", | |
864 | url); | |
865 | free(url); | |
866 | return NULL; | |
867 | } | |
868 | } else { | |
869 | fprintf(stderr, "Unable to start MKCOL request\n"); | |
870 | free(url); | |
871 | return NULL; | |
872 | } | |
873 | ep[1] = saved_character; | |
874 | ep = strchr(ep + 1, '/'); | |
875 | } | |
876 | ||
877 | escaped = xml_entities(ident_default_email()); | |
878 | strbuf_addf(&out_buffer.buf, LOCK_REQUEST, escaped); | |
879 | free(escaped); | |
880 | ||
881 | xsnprintf(timeout_header, sizeof(timeout_header), "Timeout: Second-%ld", timeout); | |
882 | dav_headers = curl_slist_append(dav_headers, timeout_header); | |
883 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
884 | ||
885 | slot = get_active_slot(); | |
886 | slot->results = &results; | |
887 | curl_setup_http(slot->curl, url, DAV_LOCK, &out_buffer, fwrite_buffer); | |
888 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
889 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
890 | ||
891 | lock = xcalloc(1, sizeof(*lock)); | |
892 | lock->timeout = -1; | |
893 | ||
894 | if (start_active_slot(slot)) { | |
895 | run_active_slot(slot); | |
896 | if (results.curl_result == CURLE_OK) { | |
897 | XML_Parser parser = XML_ParserCreate(NULL); | |
898 | enum XML_Status result; | |
899 | ctx.name = xcalloc(10, 1); | |
900 | ctx.len = 0; | |
901 | ctx.cdata = NULL; | |
902 | ctx.userFunc = handle_new_lock_ctx; | |
903 | ctx.userData = lock; | |
904 | XML_SetUserData(parser, &ctx); | |
905 | XML_SetElementHandler(parser, xml_start_tag, | |
906 | xml_end_tag); | |
907 | XML_SetCharacterDataHandler(parser, xml_cdata); | |
908 | result = XML_Parse(parser, in_buffer.buf, | |
909 | in_buffer.len, 1); | |
910 | free(ctx.name); | |
911 | if (result != XML_STATUS_OK) { | |
912 | fprintf(stderr, "XML error: %s\n", | |
913 | XML_ErrorString( | |
914 | XML_GetErrorCode(parser))); | |
915 | lock->timeout = -1; | |
916 | } | |
917 | XML_ParserFree(parser); | |
918 | } else { | |
919 | fprintf(stderr, | |
920 | "error: curl result=%d, HTTP code=%ld\n", | |
921 | results.curl_result, results.http_code); | |
922 | } | |
923 | } else { | |
924 | fprintf(stderr, "Unable to start LOCK request\n"); | |
925 | } | |
926 | ||
927 | curl_slist_free_all(dav_headers); | |
928 | strbuf_release(&out_buffer.buf); | |
929 | strbuf_release(&in_buffer); | |
930 | ||
931 | if (lock->token == NULL || lock->timeout <= 0) { | |
932 | free(lock->token); | |
933 | free(lock->owner); | |
934 | free(url); | |
935 | FREE_AND_NULL(lock); | |
936 | } else { | |
937 | lock->url = url; | |
938 | lock->start_time = time(NULL); | |
939 | lock->next = repo->locks; | |
940 | repo->locks = lock; | |
941 | } | |
942 | ||
943 | return lock; | |
944 | } | |
945 | ||
946 | static int unlock_remote(struct remote_lock *lock) | |
947 | { | |
948 | struct active_request_slot *slot; | |
949 | struct slot_results results; | |
950 | struct remote_lock *prev = repo->locks; | |
951 | struct curl_slist *dav_headers; | |
952 | int rc = 0; | |
953 | ||
954 | dav_headers = get_dav_token_headers(lock, DAV_HEADER_LOCK); | |
955 | ||
956 | slot = get_active_slot(); | |
957 | slot->results = &results; | |
958 | curl_setup_http_get(slot->curl, lock->url, DAV_UNLOCK); | |
959 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
960 | ||
961 | if (start_active_slot(slot)) { | |
962 | run_active_slot(slot); | |
963 | if (results.curl_result == CURLE_OK) | |
964 | rc = 1; | |
965 | else | |
966 | fprintf(stderr, "UNLOCK HTTP error %ld\n", | |
967 | results.http_code); | |
968 | } else { | |
969 | fprintf(stderr, "Unable to start UNLOCK request\n"); | |
970 | } | |
971 | ||
972 | curl_slist_free_all(dav_headers); | |
973 | ||
974 | if (repo->locks == lock) { | |
975 | repo->locks = lock->next; | |
976 | } else { | |
977 | while (prev && prev->next != lock) | |
978 | prev = prev->next; | |
979 | if (prev) | |
980 | prev->next = prev->next->next; | |
981 | } | |
982 | ||
983 | free(lock->owner); | |
984 | free(lock->url); | |
985 | free(lock->token); | |
986 | free(lock); | |
987 | ||
988 | return rc; | |
989 | } | |
990 | ||
991 | static void remove_locks(void) | |
992 | { | |
993 | struct remote_lock *lock = repo->locks; | |
994 | ||
995 | fprintf(stderr, "Removing remote locks...\n"); | |
996 | while (lock) { | |
997 | struct remote_lock *next = lock->next; | |
998 | unlock_remote(lock); | |
999 | lock = next; | |
1000 | } | |
1001 | } | |
1002 | ||
1003 | static void remove_locks_on_signal(int signo) | |
1004 | { | |
1005 | remove_locks(); | |
1006 | sigchain_pop(signo); | |
1007 | raise(signo); | |
1008 | } | |
1009 | ||
1010 | static void remote_ls(const char *path, int flags, | |
1011 | void (*userFunc)(struct remote_ls_ctx *ls), | |
1012 | void *userData); | |
1013 | ||
1014 | /* extract hex from sharded "xx/x{38}" filename */ | |
1015 | static int get_oid_hex_from_objpath(const char *path, struct object_id *oid) | |
1016 | { | |
1017 | if (strlen(path) != GIT_SHA1_HEXSZ + 1) | |
1018 | return -1; | |
1019 | ||
1020 | if (hex_to_bytes(oid->hash, path, 1)) | |
1021 | return -1; | |
1022 | path += 2; | |
1023 | path++; /* skip '/' */ | |
1024 | ||
1025 | return hex_to_bytes(oid->hash + 1, path, GIT_SHA1_RAWSZ - 1); | |
1026 | } | |
1027 | ||
1028 | static void process_ls_object(struct remote_ls_ctx *ls) | |
1029 | { | |
1030 | unsigned int *parent = (unsigned int *)ls->userData; | |
1031 | const char *path = ls->dentry_name; | |
1032 | struct object_id oid; | |
1033 | ||
1034 | if (!strcmp(ls->path, ls->dentry_name) && (ls->flags & IS_DIR)) { | |
1035 | remote_dir_exists[*parent] = 1; | |
1036 | return; | |
1037 | } | |
1038 | ||
1039 | if (!skip_prefix(path, "objects/", &path) || | |
1040 | get_oid_hex_from_objpath(path, &oid)) | |
1041 | return; | |
1042 | ||
1043 | one_remote_object(&oid); | |
1044 | } | |
1045 | ||
1046 | static void process_ls_ref(struct remote_ls_ctx *ls) | |
1047 | { | |
1048 | if (!strcmp(ls->path, ls->dentry_name) && (ls->dentry_flags & IS_DIR)) { | |
1049 | fprintf(stderr, " %s\n", ls->dentry_name); | |
1050 | return; | |
1051 | } | |
1052 | ||
1053 | if (!(ls->dentry_flags & IS_DIR)) | |
1054 | one_remote_ref(ls->dentry_name); | |
1055 | } | |
1056 | ||
1057 | static void handle_remote_ls_ctx(struct xml_ctx *ctx, int tag_closed) | |
1058 | { | |
1059 | struct remote_ls_ctx *ls = (struct remote_ls_ctx *)ctx->userData; | |
1060 | ||
1061 | if (tag_closed) { | |
1062 | if (!strcmp(ctx->name, DAV_PROPFIND_RESP) && ls->dentry_name) { | |
1063 | if (ls->dentry_flags & IS_DIR) { | |
1064 | ||
1065 | /* ensure collection names end with slash */ | |
1066 | str_end_url_with_slash(ls->dentry_name, &ls->dentry_name); | |
1067 | ||
1068 | if (ls->flags & PROCESS_DIRS) { | |
1069 | ls->userFunc(ls); | |
1070 | } | |
1071 | if (strcmp(ls->dentry_name, ls->path) && | |
1072 | ls->flags & RECURSIVE) { | |
1073 | remote_ls(ls->dentry_name, | |
1074 | ls->flags, | |
1075 | ls->userFunc, | |
1076 | ls->userData); | |
1077 | } | |
1078 | } else if (ls->flags & PROCESS_FILES) { | |
1079 | ls->userFunc(ls); | |
1080 | } | |
1081 | } else if (!strcmp(ctx->name, DAV_PROPFIND_NAME) && ctx->cdata) { | |
1082 | char *path = ctx->cdata; | |
1083 | if (*ctx->cdata == 'h') { | |
1084 | path = strstr(path, "//"); | |
1085 | if (path) { | |
1086 | path = strchr(path+2, '/'); | |
1087 | } | |
1088 | } | |
1089 | if (path) { | |
1090 | const char *url = repo->url; | |
1091 | if (repo->path) | |
1092 | url = repo->path; | |
1093 | if (strncmp(path, url, repo->path_len)) | |
1094 | error("Parsed path '%s' does not match url: '%s'", | |
1095 | path, url); | |
1096 | else { | |
1097 | path += repo->path_len; | |
1098 | ls->dentry_name = xstrdup(path); | |
1099 | } | |
1100 | } | |
1101 | } else if (!strcmp(ctx->name, DAV_PROPFIND_COLLECTION)) { | |
1102 | ls->dentry_flags |= IS_DIR; | |
1103 | } | |
1104 | } else if (!strcmp(ctx->name, DAV_PROPFIND_RESP)) { | |
1105 | FREE_AND_NULL(ls->dentry_name); | |
1106 | ls->dentry_flags = 0; | |
1107 | } | |
1108 | } | |
1109 | ||
1110 | /* | |
1111 | * NEEDSWORK: remote_ls() ignores info/refs on the remote side. But it | |
1112 | * should _only_ heed the information from that file, instead of trying to | |
1113 | * determine the refs from the remote file system (badly: it does not even | |
1114 | * know about packed-refs). | |
1115 | */ | |
1116 | static void remote_ls(const char *path, int flags, | |
1117 | void (*userFunc)(struct remote_ls_ctx *ls), | |
1118 | void *userData) | |
1119 | { | |
1120 | char *url = xstrfmt("%s%s", repo->url, path); | |
1121 | struct active_request_slot *slot; | |
1122 | struct slot_results results; | |
1123 | struct strbuf in_buffer = STRBUF_INIT; | |
1124 | struct buffer out_buffer = { STRBUF_INIT, 0 }; | |
1125 | struct curl_slist *dav_headers = http_copy_default_headers(); | |
1126 | struct xml_ctx ctx; | |
1127 | struct remote_ls_ctx ls; | |
1128 | ||
1129 | ls.flags = flags; | |
1130 | ls.path = xstrdup(path); | |
1131 | ls.dentry_name = NULL; | |
1132 | ls.dentry_flags = 0; | |
1133 | ls.userData = userData; | |
1134 | ls.userFunc = userFunc; | |
1135 | ||
1136 | strbuf_addstr(&out_buffer.buf, PROPFIND_ALL_REQUEST); | |
1137 | ||
1138 | dav_headers = curl_slist_append(dav_headers, "Depth: 1"); | |
1139 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1140 | ||
1141 | slot = get_active_slot(); | |
1142 | slot->results = &results; | |
1143 | curl_setup_http(slot->curl, url, DAV_PROPFIND, | |
1144 | &out_buffer, fwrite_buffer); | |
1145 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1146 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
1147 | ||
1148 | if (start_active_slot(slot)) { | |
1149 | run_active_slot(slot); | |
1150 | if (results.curl_result == CURLE_OK) { | |
1151 | XML_Parser parser = XML_ParserCreate(NULL); | |
1152 | enum XML_Status result; | |
1153 | ctx.name = xcalloc(10, 1); | |
1154 | ctx.len = 0; | |
1155 | ctx.cdata = NULL; | |
1156 | ctx.userFunc = handle_remote_ls_ctx; | |
1157 | ctx.userData = &ls; | |
1158 | XML_SetUserData(parser, &ctx); | |
1159 | XML_SetElementHandler(parser, xml_start_tag, | |
1160 | xml_end_tag); | |
1161 | XML_SetCharacterDataHandler(parser, xml_cdata); | |
1162 | result = XML_Parse(parser, in_buffer.buf, | |
1163 | in_buffer.len, 1); | |
1164 | free(ctx.name); | |
1165 | ||
1166 | if (result != XML_STATUS_OK) { | |
1167 | fprintf(stderr, "XML error: %s\n", | |
1168 | XML_ErrorString( | |
1169 | XML_GetErrorCode(parser))); | |
1170 | } | |
1171 | XML_ParserFree(parser); | |
1172 | } | |
1173 | } else { | |
1174 | fprintf(stderr, "Unable to start PROPFIND request\n"); | |
1175 | } | |
1176 | ||
1177 | free(ls.path); | |
1178 | free(url); | |
1179 | strbuf_release(&out_buffer.buf); | |
1180 | strbuf_release(&in_buffer); | |
1181 | curl_slist_free_all(dav_headers); | |
1182 | } | |
1183 | ||
1184 | static void get_remote_object_list(unsigned char parent) | |
1185 | { | |
1186 | char path[] = "objects/XX/"; | |
1187 | static const char hex[] = "0123456789abcdef"; | |
1188 | unsigned int val = parent; | |
1189 | ||
1190 | path[8] = hex[val >> 4]; | |
1191 | path[9] = hex[val & 0xf]; | |
1192 | remote_dir_exists[val] = 0; | |
1193 | remote_ls(path, (PROCESS_FILES | PROCESS_DIRS), | |
1194 | process_ls_object, &val); | |
1195 | } | |
1196 | ||
1197 | static int locking_available(void) | |
1198 | { | |
1199 | struct active_request_slot *slot; | |
1200 | struct slot_results results; | |
1201 | struct strbuf in_buffer = STRBUF_INIT; | |
1202 | struct buffer out_buffer = { STRBUF_INIT, 0 }; | |
1203 | struct curl_slist *dav_headers = http_copy_default_headers(); | |
1204 | struct xml_ctx ctx; | |
1205 | int lock_flags = 0; | |
1206 | char *escaped; | |
1207 | ||
1208 | escaped = xml_entities(repo->url); | |
1209 | strbuf_addf(&out_buffer.buf, PROPFIND_SUPPORTEDLOCK_REQUEST, escaped); | |
1210 | free(escaped); | |
1211 | ||
1212 | dav_headers = curl_slist_append(dav_headers, "Depth: 0"); | |
1213 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1214 | ||
1215 | slot = get_active_slot(); | |
1216 | slot->results = &results; | |
1217 | curl_setup_http(slot->curl, repo->url, DAV_PROPFIND, | |
1218 | &out_buffer, fwrite_buffer); | |
1219 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1220 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
1221 | ||
1222 | if (start_active_slot(slot)) { | |
1223 | run_active_slot(slot); | |
1224 | if (results.curl_result == CURLE_OK) { | |
1225 | XML_Parser parser = XML_ParserCreate(NULL); | |
1226 | enum XML_Status result; | |
1227 | ctx.name = xcalloc(10, 1); | |
1228 | ctx.len = 0; | |
1229 | ctx.cdata = NULL; | |
1230 | ctx.userFunc = handle_lockprop_ctx; | |
1231 | ctx.userData = &lock_flags; | |
1232 | XML_SetUserData(parser, &ctx); | |
1233 | XML_SetElementHandler(parser, xml_start_tag, | |
1234 | xml_end_tag); | |
1235 | result = XML_Parse(parser, in_buffer.buf, | |
1236 | in_buffer.len, 1); | |
1237 | free(ctx.name); | |
1238 | ||
1239 | if (result != XML_STATUS_OK) { | |
1240 | fprintf(stderr, "XML error: %s\n", | |
1241 | XML_ErrorString( | |
1242 | XML_GetErrorCode(parser))); | |
1243 | lock_flags = 0; | |
1244 | } | |
1245 | XML_ParserFree(parser); | |
1246 | if (!lock_flags) | |
1247 | error("no DAV locking support on %s", | |
1248 | repo->url); | |
1249 | ||
1250 | } else { | |
1251 | error("Cannot access URL %s, return code %d", | |
1252 | repo->url, results.curl_result); | |
1253 | lock_flags = 0; | |
1254 | } | |
1255 | } else { | |
1256 | error("Unable to start PROPFIND request on %s", repo->url); | |
1257 | } | |
1258 | ||
1259 | strbuf_release(&out_buffer.buf); | |
1260 | strbuf_release(&in_buffer); | |
1261 | curl_slist_free_all(dav_headers); | |
1262 | ||
1263 | return lock_flags; | |
1264 | } | |
1265 | ||
1266 | static struct object_list **add_one_object(struct object *obj, struct object_list **p) | |
1267 | { | |
1268 | struct object_list *entry = xmalloc(sizeof(struct object_list)); | |
1269 | entry->item = obj; | |
1270 | entry->next = *p; | |
1271 | *p = entry; | |
1272 | return &entry->next; | |
1273 | } | |
1274 | ||
1275 | static struct object_list **process_blob(struct blob *blob, | |
1276 | struct object_list **p) | |
1277 | { | |
1278 | struct object *obj = &blob->object; | |
1279 | ||
1280 | obj->flags |= LOCAL; | |
1281 | ||
1282 | if (obj->flags & (UNINTERESTING | SEEN)) | |
1283 | return p; | |
1284 | ||
1285 | obj->flags |= SEEN; | |
1286 | return add_one_object(obj, p); | |
1287 | } | |
1288 | ||
1289 | static struct object_list **process_tree(struct tree *tree, | |
1290 | struct object_list **p) | |
1291 | { | |
1292 | struct object *obj = &tree->object; | |
1293 | struct tree_desc desc; | |
1294 | struct name_entry entry; | |
1295 | ||
1296 | obj->flags |= LOCAL; | |
1297 | ||
1298 | if (obj->flags & (UNINTERESTING | SEEN)) | |
1299 | return p; | |
1300 | if (parse_tree(tree) < 0) | |
1301 | die("bad tree object %s", oid_to_hex(&obj->oid)); | |
1302 | ||
1303 | obj->flags |= SEEN; | |
1304 | p = add_one_object(obj, p); | |
1305 | ||
1306 | init_tree_desc(&desc, tree->buffer, tree->size); | |
1307 | ||
1308 | while (tree_entry(&desc, &entry)) | |
1309 | switch (object_type(entry.mode)) { | |
1310 | case OBJ_TREE: | |
1311 | p = process_tree(lookup_tree(entry.oid), p); | |
1312 | break; | |
1313 | case OBJ_BLOB: | |
1314 | p = process_blob(lookup_blob(entry.oid), p); | |
1315 | break; | |
1316 | default: | |
1317 | /* Subproject commit - not in this repository */ | |
1318 | break; | |
1319 | } | |
1320 | ||
1321 | free_tree_buffer(tree); | |
1322 | return p; | |
1323 | } | |
1324 | ||
1325 | static int get_delta(struct rev_info *revs, struct remote_lock *lock) | |
1326 | { | |
1327 | int i; | |
1328 | struct commit *commit; | |
1329 | struct object_list **p = &objects; | |
1330 | int count = 0; | |
1331 | ||
1332 | while ((commit = get_revision(revs)) != NULL) { | |
1333 | p = process_tree(commit->tree, p); | |
1334 | commit->object.flags |= LOCAL; | |
1335 | if (!(commit->object.flags & UNINTERESTING)) | |
1336 | count += add_send_request(&commit->object, lock); | |
1337 | } | |
1338 | ||
1339 | for (i = 0; i < revs->pending.nr; i++) { | |
1340 | struct object_array_entry *entry = revs->pending.objects + i; | |
1341 | struct object *obj = entry->item; | |
1342 | const char *name = entry->name; | |
1343 | ||
1344 | if (obj->flags & (UNINTERESTING | SEEN)) | |
1345 | continue; | |
1346 | if (obj->type == OBJ_TAG) { | |
1347 | obj->flags |= SEEN; | |
1348 | p = add_one_object(obj, p); | |
1349 | continue; | |
1350 | } | |
1351 | if (obj->type == OBJ_TREE) { | |
1352 | p = process_tree((struct tree *)obj, p); | |
1353 | continue; | |
1354 | } | |
1355 | if (obj->type == OBJ_BLOB) { | |
1356 | p = process_blob((struct blob *)obj, p); | |
1357 | continue; | |
1358 | } | |
1359 | die("unknown pending object %s (%s)", oid_to_hex(&obj->oid), name); | |
1360 | } | |
1361 | ||
1362 | while (objects) { | |
1363 | if (!(objects->item->flags & UNINTERESTING)) | |
1364 | count += add_send_request(objects->item, lock); | |
1365 | objects = objects->next; | |
1366 | } | |
1367 | ||
1368 | return count; | |
1369 | } | |
1370 | ||
1371 | static int update_remote(unsigned char *sha1, struct remote_lock *lock) | |
1372 | { | |
1373 | struct active_request_slot *slot; | |
1374 | struct slot_results results; | |
1375 | struct buffer out_buffer = { STRBUF_INIT, 0 }; | |
1376 | struct curl_slist *dav_headers; | |
1377 | ||
1378 | dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF); | |
1379 | ||
1380 | strbuf_addf(&out_buffer.buf, "%s\n", sha1_to_hex(sha1)); | |
1381 | ||
1382 | slot = get_active_slot(); | |
1383 | slot->results = &results; | |
1384 | curl_setup_http(slot->curl, lock->url, DAV_PUT, | |
1385 | &out_buffer, fwrite_null); | |
1386 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1387 | ||
1388 | if (start_active_slot(slot)) { | |
1389 | run_active_slot(slot); | |
1390 | strbuf_release(&out_buffer.buf); | |
1391 | if (results.curl_result != CURLE_OK) { | |
1392 | fprintf(stderr, | |
1393 | "PUT error: curl result=%d, HTTP code=%ld\n", | |
1394 | results.curl_result, results.http_code); | |
1395 | /* We should attempt recovery? */ | |
1396 | return 0; | |
1397 | } | |
1398 | } else { | |
1399 | strbuf_release(&out_buffer.buf); | |
1400 | fprintf(stderr, "Unable to start PUT request\n"); | |
1401 | return 0; | |
1402 | } | |
1403 | ||
1404 | return 1; | |
1405 | } | |
1406 | ||
1407 | static struct ref *remote_refs; | |
1408 | ||
1409 | static void one_remote_ref(const char *refname) | |
1410 | { | |
1411 | struct ref *ref; | |
1412 | struct object *obj; | |
1413 | ||
1414 | ref = alloc_ref(refname); | |
1415 | ||
1416 | if (http_fetch_ref(repo->url, ref) != 0) { | |
1417 | fprintf(stderr, | |
1418 | "Unable to fetch ref %s from %s\n", | |
1419 | refname, repo->url); | |
1420 | free(ref); | |
1421 | return; | |
1422 | } | |
1423 | ||
1424 | /* | |
1425 | * Fetch a copy of the object if it doesn't exist locally - it | |
1426 | * may be required for updating server info later. | |
1427 | */ | |
1428 | if (repo->can_update_info_refs && !has_object_file(&ref->old_oid)) { | |
1429 | obj = lookup_unknown_object(ref->old_oid.hash); | |
1430 | fprintf(stderr, " fetch %s for %s\n", | |
1431 | oid_to_hex(&ref->old_oid), refname); | |
1432 | add_fetch_request(obj); | |
1433 | } | |
1434 | ||
1435 | ref->next = remote_refs; | |
1436 | remote_refs = ref; | |
1437 | } | |
1438 | ||
1439 | static void get_dav_remote_heads(void) | |
1440 | { | |
1441 | remote_ls("refs/", (PROCESS_FILES | PROCESS_DIRS | RECURSIVE), process_ls_ref, NULL); | |
1442 | } | |
1443 | ||
1444 | static void add_remote_info_ref(struct remote_ls_ctx *ls) | |
1445 | { | |
1446 | struct strbuf *buf = (struct strbuf *)ls->userData; | |
1447 | struct object *o; | |
1448 | struct ref *ref; | |
1449 | ||
1450 | ref = alloc_ref(ls->dentry_name); | |
1451 | ||
1452 | if (http_fetch_ref(repo->url, ref) != 0) { | |
1453 | fprintf(stderr, | |
1454 | "Unable to fetch ref %s from %s\n", | |
1455 | ls->dentry_name, repo->url); | |
1456 | aborted = 1; | |
1457 | free(ref); | |
1458 | return; | |
1459 | } | |
1460 | ||
1461 | o = parse_object(&ref->old_oid); | |
1462 | if (!o) { | |
1463 | fprintf(stderr, | |
1464 | "Unable to parse object %s for remote ref %s\n", | |
1465 | oid_to_hex(&ref->old_oid), ls->dentry_name); | |
1466 | aborted = 1; | |
1467 | free(ref); | |
1468 | return; | |
1469 | } | |
1470 | ||
1471 | strbuf_addf(buf, "%s\t%s\n", | |
1472 | oid_to_hex(&ref->old_oid), ls->dentry_name); | |
1473 | ||
1474 | if (o->type == OBJ_TAG) { | |
1475 | o = deref_tag(o, ls->dentry_name, 0); | |
1476 | if (o) | |
1477 | strbuf_addf(buf, "%s\t%s^{}\n", | |
1478 | oid_to_hex(&o->oid), ls->dentry_name); | |
1479 | } | |
1480 | free(ref); | |
1481 | } | |
1482 | ||
1483 | static void update_remote_info_refs(struct remote_lock *lock) | |
1484 | { | |
1485 | struct buffer buffer = { STRBUF_INIT, 0 }; | |
1486 | struct active_request_slot *slot; | |
1487 | struct slot_results results; | |
1488 | struct curl_slist *dav_headers; | |
1489 | ||
1490 | remote_ls("refs/", (PROCESS_FILES | RECURSIVE), | |
1491 | add_remote_info_ref, &buffer.buf); | |
1492 | if (!aborted) { | |
1493 | dav_headers = get_dav_token_headers(lock, DAV_HEADER_IF); | |
1494 | ||
1495 | slot = get_active_slot(); | |
1496 | slot->results = &results; | |
1497 | curl_setup_http(slot->curl, lock->url, DAV_PUT, | |
1498 | &buffer, fwrite_null); | |
1499 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1500 | ||
1501 | if (start_active_slot(slot)) { | |
1502 | run_active_slot(slot); | |
1503 | if (results.curl_result != CURLE_OK) { | |
1504 | fprintf(stderr, | |
1505 | "PUT error: curl result=%d, HTTP code=%ld\n", | |
1506 | results.curl_result, results.http_code); | |
1507 | } | |
1508 | } | |
1509 | } | |
1510 | strbuf_release(&buffer.buf); | |
1511 | } | |
1512 | ||
1513 | static int remote_exists(const char *path) | |
1514 | { | |
1515 | char *url = xstrfmt("%s%s", repo->url, path); | |
1516 | int ret; | |
1517 | ||
1518 | ||
1519 | switch (http_get_strbuf(url, NULL, NULL)) { | |
1520 | case HTTP_OK: | |
1521 | ret = 1; | |
1522 | break; | |
1523 | case HTTP_MISSING_TARGET: | |
1524 | ret = 0; | |
1525 | break; | |
1526 | case HTTP_ERROR: | |
1527 | error("unable to access '%s': %s", url, curl_errorstr); | |
1528 | /* fallthrough */ | |
1529 | default: | |
1530 | ret = -1; | |
1531 | } | |
1532 | free(url); | |
1533 | return ret; | |
1534 | } | |
1535 | ||
1536 | static void fetch_symref(const char *path, char **symref, struct object_id *oid) | |
1537 | { | |
1538 | char *url = xstrfmt("%s%s", repo->url, path); | |
1539 | struct strbuf buffer = STRBUF_INIT; | |
1540 | const char *name; | |
1541 | ||
1542 | if (http_get_strbuf(url, &buffer, NULL) != HTTP_OK) | |
1543 | die("Couldn't get %s for remote symref\n%s", url, | |
1544 | curl_errorstr); | |
1545 | free(url); | |
1546 | ||
1547 | FREE_AND_NULL(*symref); | |
1548 | oidclr(oid); | |
1549 | ||
1550 | if (buffer.len == 0) | |
1551 | return; | |
1552 | ||
1553 | /* Cut off trailing newline. */ | |
1554 | strbuf_rtrim(&buffer); | |
1555 | ||
1556 | /* If it's a symref, set the refname; otherwise try for a sha1 */ | |
1557 | if (skip_prefix(buffer.buf, "ref: ", &name)) { | |
1558 | *symref = xmemdupz(name, buffer.len - (name - buffer.buf)); | |
1559 | } else { | |
1560 | get_oid_hex(buffer.buf, oid); | |
1561 | } | |
1562 | ||
1563 | strbuf_release(&buffer); | |
1564 | } | |
1565 | ||
1566 | static int verify_merge_base(struct object_id *head_oid, struct ref *remote) | |
1567 | { | |
1568 | struct commit *head = lookup_commit_or_die(head_oid, "HEAD"); | |
1569 | struct commit *branch = lookup_commit_or_die(&remote->old_oid, | |
1570 | remote->name); | |
1571 | ||
1572 | return in_merge_bases(branch, head); | |
1573 | } | |
1574 | ||
1575 | static int delete_remote_branch(const char *pattern, int force) | |
1576 | { | |
1577 | struct ref *refs = remote_refs; | |
1578 | struct ref *remote_ref = NULL; | |
1579 | struct object_id head_oid; | |
1580 | char *symref = NULL; | |
1581 | int match; | |
1582 | int patlen = strlen(pattern); | |
1583 | int i; | |
1584 | struct active_request_slot *slot; | |
1585 | struct slot_results results; | |
1586 | char *url; | |
1587 | ||
1588 | /* Find the remote branch(es) matching the specified branch name */ | |
1589 | for (match = 0; refs; refs = refs->next) { | |
1590 | char *name = refs->name; | |
1591 | int namelen = strlen(name); | |
1592 | if (namelen < patlen || | |
1593 | memcmp(name + namelen - patlen, pattern, patlen)) | |
1594 | continue; | |
1595 | if (namelen != patlen && name[namelen - patlen - 1] != '/') | |
1596 | continue; | |
1597 | match++; | |
1598 | remote_ref = refs; | |
1599 | } | |
1600 | if (match == 0) | |
1601 | return error("No remote branch matches %s", pattern); | |
1602 | if (match != 1) | |
1603 | return error("More than one remote branch matches %s", | |
1604 | pattern); | |
1605 | ||
1606 | /* | |
1607 | * Remote HEAD must be a symref (not exactly foolproof; a remote | |
1608 | * symlink to a symref will look like a symref) | |
1609 | */ | |
1610 | fetch_symref("HEAD", &symref, &head_oid); | |
1611 | if (!symref) | |
1612 | return error("Remote HEAD is not a symref"); | |
1613 | ||
1614 | /* Remote branch must not be the remote HEAD */ | |
1615 | for (i = 0; symref && i < MAXDEPTH; i++) { | |
1616 | if (!strcmp(remote_ref->name, symref)) | |
1617 | return error("Remote branch %s is the current HEAD", | |
1618 | remote_ref->name); | |
1619 | fetch_symref(symref, &symref, &head_oid); | |
1620 | } | |
1621 | ||
1622 | /* Run extra sanity checks if delete is not forced */ | |
1623 | if (!force) { | |
1624 | /* Remote HEAD must resolve to a known object */ | |
1625 | if (symref) | |
1626 | return error("Remote HEAD symrefs too deep"); | |
1627 | if (is_null_oid(&head_oid)) | |
1628 | return error("Unable to resolve remote HEAD"); | |
1629 | if (!has_object_file(&head_oid)) | |
1630 | return error("Remote HEAD resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", oid_to_hex(&head_oid)); | |
1631 | ||
1632 | /* Remote branch must resolve to a known object */ | |
1633 | if (is_null_oid(&remote_ref->old_oid)) | |
1634 | return error("Unable to resolve remote branch %s", | |
1635 | remote_ref->name); | |
1636 | if (!has_object_file(&remote_ref->old_oid)) | |
1637 | 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)); | |
1638 | ||
1639 | /* Remote branch must be an ancestor of remote HEAD */ | |
1640 | if (!verify_merge_base(&head_oid, remote_ref)) { | |
1641 | return error("The branch '%s' is not an ancestor " | |
1642 | "of your current HEAD.\n" | |
1643 | "If you are sure you want to delete it," | |
1644 | " run:\n\t'git http-push -D %s %s'", | |
1645 | remote_ref->name, repo->url, pattern); | |
1646 | } | |
1647 | } | |
1648 | ||
1649 | /* Send delete request */ | |
1650 | fprintf(stderr, "Removing remote branch '%s'\n", remote_ref->name); | |
1651 | if (dry_run) | |
1652 | return 0; | |
1653 | url = xstrfmt("%s%s", repo->url, remote_ref->name); | |
1654 | slot = get_active_slot(); | |
1655 | slot->results = &results; | |
1656 | curl_setup_http_get(slot->curl, url, DAV_DELETE); | |
1657 | if (start_active_slot(slot)) { | |
1658 | run_active_slot(slot); | |
1659 | free(url); | |
1660 | if (results.curl_result != CURLE_OK) | |
1661 | return error("DELETE request failed (%d/%ld)", | |
1662 | results.curl_result, results.http_code); | |
1663 | } else { | |
1664 | free(url); | |
1665 | return error("Unable to start DELETE request"); | |
1666 | } | |
1667 | ||
1668 | return 0; | |
1669 | } | |
1670 | ||
1671 | static void run_request_queue(void) | |
1672 | { | |
1673 | #ifdef USE_CURL_MULTI | |
1674 | is_running_queue = 1; | |
1675 | fill_active_slots(); | |
1676 | add_fill_function(NULL, fill_active_slot); | |
1677 | #endif | |
1678 | do { | |
1679 | finish_all_active_slots(); | |
1680 | #ifdef USE_CURL_MULTI | |
1681 | fill_active_slots(); | |
1682 | #endif | |
1683 | } while (request_queue_head && !aborted); | |
1684 | ||
1685 | #ifdef USE_CURL_MULTI | |
1686 | is_running_queue = 0; | |
1687 | #endif | |
1688 | } | |
1689 | ||
1690 | int cmd_main(int argc, const char **argv) | |
1691 | { | |
1692 | struct transfer_request *request; | |
1693 | struct transfer_request *next_request; | |
1694 | int nr_refspec = 0; | |
1695 | const char **refspec = NULL; | |
1696 | struct remote_lock *ref_lock = NULL; | |
1697 | struct remote_lock *info_ref_lock = NULL; | |
1698 | struct rev_info revs; | |
1699 | int delete_branch = 0; | |
1700 | int force_delete = 0; | |
1701 | int objects_to_send; | |
1702 | int rc = 0; | |
1703 | int i; | |
1704 | int new_refs; | |
1705 | struct ref *ref, *local_refs; | |
1706 | ||
1707 | repo = xcalloc(1, sizeof(*repo)); | |
1708 | ||
1709 | argv++; | |
1710 | for (i = 1; i < argc; i++, argv++) { | |
1711 | const char *arg = *argv; | |
1712 | ||
1713 | if (*arg == '-') { | |
1714 | if (!strcmp(arg, "--all")) { | |
1715 | push_all = MATCH_REFS_ALL; | |
1716 | continue; | |
1717 | } | |
1718 | if (!strcmp(arg, "--force")) { | |
1719 | force_all = 1; | |
1720 | continue; | |
1721 | } | |
1722 | if (!strcmp(arg, "--dry-run")) { | |
1723 | dry_run = 1; | |
1724 | continue; | |
1725 | } | |
1726 | if (!strcmp(arg, "--helper-status")) { | |
1727 | helper_status = 1; | |
1728 | continue; | |
1729 | } | |
1730 | if (!strcmp(arg, "--verbose")) { | |
1731 | push_verbosely = 1; | |
1732 | http_is_verbose = 1; | |
1733 | continue; | |
1734 | } | |
1735 | if (!strcmp(arg, "-d")) { | |
1736 | delete_branch = 1; | |
1737 | continue; | |
1738 | } | |
1739 | if (!strcmp(arg, "-D")) { | |
1740 | delete_branch = 1; | |
1741 | force_delete = 1; | |
1742 | continue; | |
1743 | } | |
1744 | if (!strcmp(arg, "-h")) | |
1745 | usage(http_push_usage); | |
1746 | } | |
1747 | if (!repo->url) { | |
1748 | char *path = strstr(arg, "//"); | |
1749 | str_end_url_with_slash(arg, &repo->url); | |
1750 | repo->path_len = strlen(repo->url); | |
1751 | if (path) { | |
1752 | repo->path = strchr(path+2, '/'); | |
1753 | if (repo->path) | |
1754 | repo->path_len = strlen(repo->path); | |
1755 | } | |
1756 | continue; | |
1757 | } | |
1758 | refspec = argv; | |
1759 | nr_refspec = argc - i; | |
1760 | break; | |
1761 | } | |
1762 | ||
1763 | #ifndef USE_CURL_MULTI | |
1764 | die("git-push is not available for http/https repository when not compiled with USE_CURL_MULTI"); | |
1765 | #endif | |
1766 | ||
1767 | if (!repo->url) | |
1768 | usage(http_push_usage); | |
1769 | ||
1770 | if (delete_branch && nr_refspec != 1) | |
1771 | die("You must specify only one branch name when deleting a remote branch"); | |
1772 | ||
1773 | setup_git_directory(); | |
1774 | ||
1775 | memset(remote_dir_exists, -1, 256); | |
1776 | ||
1777 | http_init(NULL, repo->url, 1); | |
1778 | ||
1779 | #ifdef USE_CURL_MULTI | |
1780 | is_running_queue = 0; | |
1781 | #endif | |
1782 | ||
1783 | /* Verify DAV compliance/lock support */ | |
1784 | if (!locking_available()) { | |
1785 | rc = 1; | |
1786 | goto cleanup; | |
1787 | } | |
1788 | ||
1789 | sigchain_push_common(remove_locks_on_signal); | |
1790 | ||
1791 | /* Check whether the remote has server info files */ | |
1792 | repo->can_update_info_refs = 0; | |
1793 | repo->has_info_refs = remote_exists("info/refs"); | |
1794 | repo->has_info_packs = remote_exists("objects/info/packs"); | |
1795 | if (repo->has_info_refs) { | |
1796 | info_ref_lock = lock_remote("info/refs", LOCK_TIME); | |
1797 | if (info_ref_lock) | |
1798 | repo->can_update_info_refs = 1; | |
1799 | else { | |
1800 | error("cannot lock existing info/refs"); | |
1801 | rc = 1; | |
1802 | goto cleanup; | |
1803 | } | |
1804 | } | |
1805 | if (repo->has_info_packs) | |
1806 | fetch_indices(); | |
1807 | ||
1808 | /* Get a list of all local and remote heads to validate refspecs */ | |
1809 | local_refs = get_local_heads(); | |
1810 | fprintf(stderr, "Fetching remote heads...\n"); | |
1811 | get_dav_remote_heads(); | |
1812 | run_request_queue(); | |
1813 | ||
1814 | /* Remove a remote branch if -d or -D was specified */ | |
1815 | if (delete_branch) { | |
1816 | if (delete_remote_branch(refspec[0], force_delete) == -1) { | |
1817 | fprintf(stderr, "Unable to delete remote branch %s\n", | |
1818 | refspec[0]); | |
1819 | if (helper_status) | |
1820 | printf("error %s cannot remove\n", refspec[0]); | |
1821 | } | |
1822 | goto cleanup; | |
1823 | } | |
1824 | ||
1825 | /* match them up */ | |
1826 | if (match_push_refs(local_refs, &remote_refs, | |
1827 | nr_refspec, (const char **) refspec, push_all)) { | |
1828 | rc = -1; | |
1829 | goto cleanup; | |
1830 | } | |
1831 | if (!remote_refs) { | |
1832 | fprintf(stderr, "No refs in common and none specified; doing nothing.\n"); | |
1833 | if (helper_status) | |
1834 | printf("error null no match\n"); | |
1835 | rc = 0; | |
1836 | goto cleanup; | |
1837 | } | |
1838 | ||
1839 | new_refs = 0; | |
1840 | for (ref = remote_refs; ref; ref = ref->next) { | |
1841 | struct argv_array commit_argv = ARGV_ARRAY_INIT; | |
1842 | ||
1843 | if (!ref->peer_ref) | |
1844 | continue; | |
1845 | ||
1846 | if (is_null_oid(&ref->peer_ref->new_oid)) { | |
1847 | if (delete_remote_branch(ref->name, 1) == -1) { | |
1848 | error("Could not remove %s", ref->name); | |
1849 | if (helper_status) | |
1850 | printf("error %s cannot remove\n", ref->name); | |
1851 | rc = -4; | |
1852 | } | |
1853 | else if (helper_status) | |
1854 | printf("ok %s\n", ref->name); | |
1855 | new_refs++; | |
1856 | continue; | |
1857 | } | |
1858 | ||
1859 | if (!oidcmp(&ref->old_oid, &ref->peer_ref->new_oid)) { | |
1860 | if (push_verbosely) | |
1861 | fprintf(stderr, "'%s': up-to-date\n", ref->name); | |
1862 | if (helper_status) | |
1863 | printf("ok %s up to date\n", ref->name); | |
1864 | continue; | |
1865 | } | |
1866 | ||
1867 | if (!force_all && | |
1868 | !is_null_oid(&ref->old_oid) && | |
1869 | !ref->force) { | |
1870 | if (!has_object_file(&ref->old_oid) || | |
1871 | !ref_newer(&ref->peer_ref->new_oid, | |
1872 | &ref->old_oid)) { | |
1873 | /* | |
1874 | * We do not have the remote ref, or | |
1875 | * we know that the remote ref is not | |
1876 | * an ancestor of what we are trying to | |
1877 | * push. Either way this can be losing | |
1878 | * commits at the remote end and likely | |
1879 | * we were not up to date to begin with. | |
1880 | */ | |
1881 | error("remote '%s' is not an ancestor of\n" | |
1882 | "local '%s'.\n" | |
1883 | "Maybe you are not up-to-date and " | |
1884 | "need to pull first?", | |
1885 | ref->name, | |
1886 | ref->peer_ref->name); | |
1887 | if (helper_status) | |
1888 | printf("error %s non-fast forward\n", ref->name); | |
1889 | rc = -2; | |
1890 | continue; | |
1891 | } | |
1892 | } | |
1893 | oidcpy(&ref->new_oid, &ref->peer_ref->new_oid); | |
1894 | new_refs++; | |
1895 | ||
1896 | fprintf(stderr, "updating '%s'", ref->name); | |
1897 | if (strcmp(ref->name, ref->peer_ref->name)) | |
1898 | fprintf(stderr, " using '%s'", ref->peer_ref->name); | |
1899 | fprintf(stderr, "\n from %s\n to %s\n", | |
1900 | oid_to_hex(&ref->old_oid), oid_to_hex(&ref->new_oid)); | |
1901 | if (dry_run) { | |
1902 | if (helper_status) | |
1903 | printf("ok %s\n", ref->name); | |
1904 | continue; | |
1905 | } | |
1906 | ||
1907 | /* Lock remote branch ref */ | |
1908 | ref_lock = lock_remote(ref->name, LOCK_TIME); | |
1909 | if (ref_lock == NULL) { | |
1910 | fprintf(stderr, "Unable to lock remote branch %s\n", | |
1911 | ref->name); | |
1912 | if (helper_status) | |
1913 | printf("error %s lock error\n", ref->name); | |
1914 | rc = 1; | |
1915 | continue; | |
1916 | } | |
1917 | ||
1918 | /* Set up revision info for this refspec */ | |
1919 | argv_array_push(&commit_argv, ""); /* ignored */ | |
1920 | argv_array_push(&commit_argv, "--objects"); | |
1921 | argv_array_push(&commit_argv, oid_to_hex(&ref->new_oid)); | |
1922 | if (!push_all && !is_null_oid(&ref->old_oid)) | |
1923 | argv_array_pushf(&commit_argv, "^%s", | |
1924 | oid_to_hex(&ref->old_oid)); | |
1925 | init_revisions(&revs, setup_git_directory()); | |
1926 | setup_revisions(commit_argv.argc, commit_argv.argv, &revs, NULL); | |
1927 | revs.edge_hint = 0; /* just in case */ | |
1928 | ||
1929 | /* Generate a list of objects that need to be pushed */ | |
1930 | pushing = 0; | |
1931 | if (prepare_revision_walk(&revs)) | |
1932 | die("revision walk setup failed"); | |
1933 | mark_edges_uninteresting(&revs, NULL); | |
1934 | objects_to_send = get_delta(&revs, ref_lock); | |
1935 | finish_all_active_slots(); | |
1936 | ||
1937 | /* Push missing objects to remote, this would be a | |
1938 | convenient time to pack them first if appropriate. */ | |
1939 | pushing = 1; | |
1940 | if (objects_to_send) | |
1941 | fprintf(stderr, " sending %d objects\n", | |
1942 | objects_to_send); | |
1943 | ||
1944 | run_request_queue(); | |
1945 | ||
1946 | /* Update the remote branch if all went well */ | |
1947 | if (aborted || !update_remote(ref->new_oid.hash, ref_lock)) | |
1948 | rc = 1; | |
1949 | ||
1950 | if (!rc) | |
1951 | fprintf(stderr, " done\n"); | |
1952 | if (helper_status) | |
1953 | printf("%s %s\n", !rc ? "ok" : "error", ref->name); | |
1954 | unlock_remote(ref_lock); | |
1955 | check_locks(); | |
1956 | argv_array_clear(&commit_argv); | |
1957 | } | |
1958 | ||
1959 | /* Update remote server info if appropriate */ | |
1960 | if (repo->has_info_refs && new_refs) { | |
1961 | if (info_ref_lock && repo->can_update_info_refs) { | |
1962 | fprintf(stderr, "Updating remote server info\n"); | |
1963 | if (!dry_run) | |
1964 | update_remote_info_refs(info_ref_lock); | |
1965 | } else { | |
1966 | fprintf(stderr, "Unable to update server info\n"); | |
1967 | } | |
1968 | } | |
1969 | ||
1970 | cleanup: | |
1971 | if (info_ref_lock) | |
1972 | unlock_remote(info_ref_lock); | |
1973 | free(repo); | |
1974 | ||
1975 | http_cleanup(); | |
1976 | ||
1977 | request = request_queue_head; | |
1978 | while (request != NULL) { | |
1979 | next_request = request->next; | |
1980 | release_request(request); | |
1981 | request = next_request; | |
1982 | } | |
1983 | ||
1984 | return rc; | |
1985 | } |