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Commit | Line | Data |
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58e60dd2 NH |
1 | #include "cache.h" |
2 | #include "commit.h" | |
3 | #include "pack.h" | |
4 | #include "fetch.h" | |
5 | #include "tag.h" | |
6 | #include "blob.h" | |
29508e1e | 7 | #include "http.h" |
aa1dbc98 | 8 | #include "refs.h" |
c4e05b1a | 9 | #include "diff.h" |
aa1dbc98 | 10 | #include "revision.h" |
3dfaf7bc | 11 | #include "exec_cmd.h" |
29508e1e | 12 | |
bee8e79d | 13 | #include <expat.h> |
58e60dd2 NH |
14 | |
15 | static const char http_push_usage[] = | |
1a703cba | 16 | "git-http-push [--all] [--force] [--verbose] <remote> [<head>...]\n"; |
58e60dd2 | 17 | |
92e2eb9c JS |
18 | #ifndef XML_STATUS_OK |
19 | enum XML_Status { | |
20 | XML_STATUS_OK = 1, | |
21 | XML_STATUS_ERROR = 0 | |
22 | }; | |
23 | #define XML_STATUS_OK 1 | |
24 | #define XML_STATUS_ERROR 0 | |
25 | #endif | |
26 | ||
197e8951 | 27 | #define PREV_BUF_SIZE 4096 |
58e60dd2 NH |
28 | #define RANGE_HEADER_SIZE 30 |
29 | ||
acf59575 | 30 | /* DAV methods */ |
58e60dd2 NH |
31 | #define DAV_LOCK "LOCK" |
32 | #define DAV_MKCOL "MKCOL" | |
33 | #define DAV_MOVE "MOVE" | |
34 | #define DAV_PROPFIND "PROPFIND" | |
35 | #define DAV_PUT "PUT" | |
36 | #define DAV_UNLOCK "UNLOCK" | |
3dfaf7bc | 37 | #define DAV_DELETE "DELETE" |
acf59575 NH |
38 | |
39 | /* DAV lock flags */ | |
40 | #define DAV_PROP_LOCKWR (1u << 0) | |
41 | #define DAV_PROP_LOCKEX (1u << 1) | |
42 | #define DAV_LOCK_OK (1u << 2) | |
43 | ||
44 | /* DAV XML properties */ | |
45 | #define DAV_CTX_LOCKENTRY ".multistatus.response.propstat.prop.supportedlock.lockentry" | |
46 | #define DAV_CTX_LOCKTYPE_WRITE ".multistatus.response.propstat.prop.supportedlock.lockentry.locktype.write" | |
47 | #define DAV_CTX_LOCKTYPE_EXCLUSIVE ".multistatus.response.propstat.prop.supportedlock.lockentry.lockscope.exclusive" | |
48 | #define DAV_ACTIVELOCK_OWNER ".prop.lockdiscovery.activelock.owner.href" | |
49 | #define DAV_ACTIVELOCK_TIMEOUT ".prop.lockdiscovery.activelock.timeout" | |
50 | #define DAV_ACTIVELOCK_TOKEN ".prop.lockdiscovery.activelock.locktoken.href" | |
aa1dbc98 NH |
51 | #define DAV_PROPFIND_RESP ".multistatus.response" |
52 | #define DAV_PROPFIND_NAME ".multistatus.response.href" | |
53 | #define DAV_PROPFIND_COLLECTION ".multistatus.response.propstat.prop.resourcetype.collection" | |
acf59575 NH |
54 | |
55 | /* DAV request body templates */ | |
aa1dbc98 NH |
56 | #define PROPFIND_SUPPORTEDLOCK_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:propfind xmlns:D=\"DAV:\">\n<D:prop xmlns:R=\"%s\">\n<D:supportedlock/>\n</D:prop>\n</D:propfind>" |
57 | #define PROPFIND_ALL_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:propfind xmlns:D=\"DAV:\">\n<D:allprop/>\n</D:propfind>" | |
58e60dd2 NH |
58 | #define LOCK_REQUEST "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n<D:lockinfo xmlns:D=\"DAV:\">\n<D:lockscope><D:exclusive/></D:lockscope>\n<D:locktype><D:write/></D:locktype>\n<D:owner>\n<D:href>mailto:%s</D:href>\n</D:owner>\n</D:lockinfo>" |
59 | ||
75187c9d NH |
60 | #define LOCK_TIME 600 |
61 | #define LOCK_REFRESH 30 | |
62 | ||
1b65a5aa | 63 | /* bits #0-15 in revision.h */ |
aa1dbc98 | 64 | |
1b65a5aa JH |
65 | #define LOCAL (1u<<16) |
66 | #define REMOTE (1u<<17) | |
67 | #define FETCHING (1u<<18) | |
68 | #define PUSHING (1u<<19) | |
aa1dbc98 | 69 | |
3dfaf7bc NH |
70 | /* We allow "recursive" symbolic refs. Only within reason, though */ |
71 | #define MAXDEPTH 5 | |
72 | ||
58e60dd2 NH |
73 | static int pushing = 0; |
74 | static int aborted = 0; | |
a3c57c9a | 75 | static signed char remote_dir_exists[256]; |
58e60dd2 | 76 | |
58e60dd2 NH |
77 | static struct curl_slist *no_pragma_header; |
78 | static struct curl_slist *default_headers; | |
58e60dd2 NH |
79 | |
80 | static int push_verbosely = 0; | |
81 | static int push_all = 0; | |
82 | static int force_all = 0; | |
83 | ||
aa1dbc98 NH |
84 | static struct object_list *objects = NULL; |
85 | ||
58e60dd2 NH |
86 | struct repo |
87 | { | |
88 | char *url; | |
aa1dbc98 | 89 | int path_len; |
197e8951 NH |
90 | int has_info_refs; |
91 | int can_update_info_refs; | |
92 | int has_info_packs; | |
58e60dd2 | 93 | struct packed_git *packs; |
512d632c | 94 | struct remote_lock *locks; |
58e60dd2 NH |
95 | }; |
96 | ||
97 | static struct repo *remote = NULL; | |
98 | ||
99 | enum transfer_state { | |
197e8951 NH |
100 | NEED_FETCH, |
101 | RUN_FETCH_LOOSE, | |
102 | RUN_FETCH_PACKED, | |
58e60dd2 NH |
103 | NEED_PUSH, |
104 | RUN_MKCOL, | |
105 | RUN_PUT, | |
106 | RUN_MOVE, | |
107 | ABORTED, | |
108 | COMPLETE, | |
109 | }; | |
110 | ||
111 | struct transfer_request | |
112 | { | |
aa1dbc98 | 113 | struct object *obj; |
58e60dd2 NH |
114 | char *url; |
115 | char *dest; | |
aa1dbc98 | 116 | struct remote_lock *lock; |
58e60dd2 NH |
117 | struct curl_slist *headers; |
118 | struct buffer buffer; | |
119 | char filename[PATH_MAX]; | |
120 | char tmpfile[PATH_MAX]; | |
197e8951 NH |
121 | int local_fileno; |
122 | FILE *local_stream; | |
58e60dd2 NH |
123 | enum transfer_state state; |
124 | CURLcode curl_result; | |
125 | char errorstr[CURL_ERROR_SIZE]; | |
126 | long http_code; | |
127 | unsigned char real_sha1[20]; | |
128 | SHA_CTX c; | |
129 | z_stream stream; | |
130 | int zret; | |
131 | int rename; | |
197e8951 | 132 | void *userData; |
58e60dd2 NH |
133 | struct active_request_slot *slot; |
134 | struct transfer_request *next; | |
135 | }; | |
136 | ||
58e60dd2 | 137 | static struct transfer_request *request_queue_head = NULL; |
58e60dd2 | 138 | |
acf59575 NH |
139 | struct xml_ctx |
140 | { | |
141 | char *name; | |
142 | int len; | |
143 | char *cdata; | |
144 | void (*userFunc)(struct xml_ctx *ctx, int tag_closed); | |
145 | void *userData; | |
146 | }; | |
147 | ||
aa1dbc98 | 148 | struct remote_lock |
26349b2e | 149 | { |
75187c9d | 150 | char *url; |
26349b2e | 151 | char *owner; |
75187c9d | 152 | char *token; |
26349b2e NH |
153 | time_t start_time; |
154 | long timeout; | |
75187c9d | 155 | int refreshing; |
aa1dbc98 NH |
156 | struct remote_lock *next; |
157 | }; | |
158 | ||
3030baa7 NH |
159 | /* Flags that control remote_ls processing */ |
160 | #define PROCESS_FILES (1u << 0) | |
161 | #define PROCESS_DIRS (1u << 1) | |
162 | #define RECURSIVE (1u << 2) | |
163 | ||
164 | /* Flags that remote_ls passes to callback functions */ | |
165 | #define IS_DIR (1u << 0) | |
166 | ||
167 | struct remote_ls_ctx | |
aa1dbc98 | 168 | { |
3030baa7 NH |
169 | char *path; |
170 | void (*userFunc)(struct remote_ls_ctx *ls); | |
171 | void *userData; | |
172 | int flags; | |
173 | char *dentry_name; | |
174 | int dentry_flags; | |
175 | struct remote_ls_ctx *parent; | |
26349b2e NH |
176 | }; |
177 | ||
29508e1e | 178 | static void finish_request(struct transfer_request *request); |
197e8951 | 179 | static void release_request(struct transfer_request *request); |
58e60dd2 | 180 | |
29508e1e | 181 | static void process_response(void *callback_data) |
58e60dd2 | 182 | { |
29508e1e NH |
183 | struct transfer_request *request = |
184 | (struct transfer_request *)callback_data; | |
58e60dd2 | 185 | |
29508e1e | 186 | finish_request(request); |
58e60dd2 NH |
187 | } |
188 | ||
197e8951 NH |
189 | static size_t fwrite_sha1_file(void *ptr, size_t eltsize, size_t nmemb, |
190 | void *data) | |
191 | { | |
192 | unsigned char expn[4096]; | |
193 | size_t size = eltsize * nmemb; | |
194 | int posn = 0; | |
195 | struct transfer_request *request = (struct transfer_request *)data; | |
196 | do { | |
197 | ssize_t retval = write(request->local_fileno, | |
198 | ptr + posn, size - posn); | |
199 | if (retval < 0) | |
200 | return posn; | |
201 | posn += retval; | |
202 | } while (posn < size); | |
203 | ||
204 | request->stream.avail_in = size; | |
205 | request->stream.next_in = ptr; | |
206 | do { | |
207 | request->stream.next_out = expn; | |
208 | request->stream.avail_out = sizeof(expn); | |
209 | request->zret = inflate(&request->stream, Z_SYNC_FLUSH); | |
210 | SHA1_Update(&request->c, expn, | |
211 | sizeof(expn) - request->stream.avail_out); | |
212 | } while (request->stream.avail_in && request->zret == Z_OK); | |
213 | data_received++; | |
214 | return size; | |
215 | } | |
216 | ||
217 | static void start_fetch_loose(struct transfer_request *request) | |
218 | { | |
219 | char *hex = sha1_to_hex(request->obj->sha1); | |
220 | char *filename; | |
221 | char prevfile[PATH_MAX]; | |
222 | char *url; | |
223 | char *posn; | |
224 | int prevlocal; | |
225 | unsigned char prev_buf[PREV_BUF_SIZE]; | |
226 | ssize_t prev_read = 0; | |
227 | long prev_posn = 0; | |
228 | char range[RANGE_HEADER_SIZE]; | |
229 | struct curl_slist *range_header = NULL; | |
230 | struct active_request_slot *slot; | |
231 | ||
232 | filename = sha1_file_name(request->obj->sha1); | |
233 | snprintf(request->filename, sizeof(request->filename), "%s", filename); | |
234 | snprintf(request->tmpfile, sizeof(request->tmpfile), | |
235 | "%s.temp", filename); | |
236 | ||
237 | snprintf(prevfile, sizeof(prevfile), "%s.prev", request->filename); | |
238 | unlink(prevfile); | |
239 | rename(request->tmpfile, prevfile); | |
240 | unlink(request->tmpfile); | |
241 | ||
242 | if (request->local_fileno != -1) | |
243 | error("fd leakage in start: %d", request->local_fileno); | |
244 | request->local_fileno = open(request->tmpfile, | |
245 | O_WRONLY | O_CREAT | O_EXCL, 0666); | |
246 | /* This could have failed due to the "lazy directory creation"; | |
247 | * try to mkdir the last path component. | |
248 | */ | |
249 | if (request->local_fileno < 0 && errno == ENOENT) { | |
250 | char *dir = strrchr(request->tmpfile, '/'); | |
251 | if (dir) { | |
252 | *dir = 0; | |
253 | mkdir(request->tmpfile, 0777); | |
254 | *dir = '/'; | |
255 | } | |
256 | request->local_fileno = open(request->tmpfile, | |
257 | O_WRONLY | O_CREAT | O_EXCL, 0666); | |
258 | } | |
259 | ||
260 | if (request->local_fileno < 0) { | |
261 | request->state = ABORTED; | |
262 | error("Couldn't create temporary file %s for %s: %s", | |
263 | request->tmpfile, request->filename, strerror(errno)); | |
264 | return; | |
265 | } | |
266 | ||
267 | memset(&request->stream, 0, sizeof(request->stream)); | |
268 | ||
269 | inflateInit(&request->stream); | |
270 | ||
271 | SHA1_Init(&request->c); | |
272 | ||
273 | url = xmalloc(strlen(remote->url) + 50); | |
274 | request->url = xmalloc(strlen(remote->url) + 50); | |
275 | strcpy(url, remote->url); | |
276 | posn = url + strlen(remote->url); | |
277 | strcpy(posn, "objects/"); | |
278 | posn += 8; | |
279 | memcpy(posn, hex, 2); | |
280 | posn += 2; | |
281 | *(posn++) = '/'; | |
282 | strcpy(posn, hex + 2); | |
283 | strcpy(request->url, url); | |
284 | ||
285 | /* If a previous temp file is present, process what was already | |
286 | fetched. */ | |
287 | prevlocal = open(prevfile, O_RDONLY); | |
288 | if (prevlocal != -1) { | |
289 | do { | |
290 | prev_read = read(prevlocal, prev_buf, PREV_BUF_SIZE); | |
291 | if (prev_read>0) { | |
292 | if (fwrite_sha1_file(prev_buf, | |
293 | 1, | |
294 | prev_read, | |
295 | request) == prev_read) { | |
296 | prev_posn += prev_read; | |
297 | } else { | |
298 | prev_read = -1; | |
299 | } | |
300 | } | |
301 | } while (prev_read > 0); | |
302 | close(prevlocal); | |
303 | } | |
304 | unlink(prevfile); | |
305 | ||
306 | /* Reset inflate/SHA1 if there was an error reading the previous temp | |
307 | file; also rewind to the beginning of the local file. */ | |
308 | if (prev_read == -1) { | |
309 | memset(&request->stream, 0, sizeof(request->stream)); | |
310 | inflateInit(&request->stream); | |
311 | SHA1_Init(&request->c); | |
312 | if (prev_posn>0) { | |
313 | prev_posn = 0; | |
314 | lseek(request->local_fileno, SEEK_SET, 0); | |
315 | ftruncate(request->local_fileno, 0); | |
316 | } | |
317 | } | |
318 | ||
319 | slot = get_active_slot(); | |
320 | slot->callback_func = process_response; | |
321 | slot->callback_data = request; | |
322 | request->slot = slot; | |
323 | ||
324 | curl_easy_setopt(slot->curl, CURLOPT_FILE, request); | |
325 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_sha1_file); | |
326 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr); | |
327 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
328 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); | |
329 | ||
330 | /* If we have successfully processed data from a previous fetch | |
331 | attempt, only fetch the data we don't already have. */ | |
332 | if (prev_posn>0) { | |
333 | if (push_verbosely) | |
334 | fprintf(stderr, | |
335 | "Resuming fetch of object %s at byte %ld\n", | |
336 | hex, prev_posn); | |
337 | sprintf(range, "Range: bytes=%ld-", prev_posn); | |
338 | range_header = curl_slist_append(range_header, range); | |
339 | curl_easy_setopt(slot->curl, | |
340 | CURLOPT_HTTPHEADER, range_header); | |
341 | } | |
342 | ||
343 | /* Try to get the request started, abort the request on error */ | |
344 | request->state = RUN_FETCH_LOOSE; | |
345 | if (!start_active_slot(slot)) { | |
346 | fprintf(stderr, "Unable to start GET request\n"); | |
347 | remote->can_update_info_refs = 0; | |
348 | release_request(request); | |
349 | } | |
350 | } | |
351 | ||
352 | static void start_fetch_packed(struct transfer_request *request) | |
353 | { | |
354 | char *url; | |
355 | struct packed_git *target; | |
356 | FILE *packfile; | |
357 | char *filename; | |
358 | long prev_posn = 0; | |
359 | char range[RANGE_HEADER_SIZE]; | |
360 | struct curl_slist *range_header = NULL; | |
361 | ||
362 | struct transfer_request *check_request = request_queue_head; | |
363 | struct active_request_slot *slot; | |
364 | ||
365 | target = find_sha1_pack(request->obj->sha1, remote->packs); | |
366 | if (!target) { | |
367 | fprintf(stderr, "Unable to fetch %s, will not be able to update server info refs\n", sha1_to_hex(request->obj->sha1)); | |
368 | remote->can_update_info_refs = 0; | |
369 | release_request(request); | |
370 | return; | |
371 | } | |
372 | ||
373 | fprintf(stderr, "Fetching pack %s\n", sha1_to_hex(target->sha1)); | |
374 | fprintf(stderr, " which contains %s\n", sha1_to_hex(request->obj->sha1)); | |
375 | ||
376 | filename = sha1_pack_name(target->sha1); | |
377 | snprintf(request->filename, sizeof(request->filename), "%s", filename); | |
378 | snprintf(request->tmpfile, sizeof(request->tmpfile), | |
379 | "%s.temp", filename); | |
380 | ||
381 | url = xmalloc(strlen(remote->url) + 64); | |
382 | sprintf(url, "%sobjects/pack/pack-%s.pack", | |
383 | remote->url, sha1_to_hex(target->sha1)); | |
384 | ||
385 | /* Make sure there isn't another open request for this pack */ | |
386 | while (check_request) { | |
387 | if (check_request->state == RUN_FETCH_PACKED && | |
388 | !strcmp(check_request->url, url)) { | |
389 | free(url); | |
390 | release_request(request); | |
391 | return; | |
392 | } | |
393 | check_request = check_request->next; | |
394 | } | |
395 | ||
396 | packfile = fopen(request->tmpfile, "a"); | |
397 | if (!packfile) { | |
398 | fprintf(stderr, "Unable to open local file %s for pack", | |
399 | filename); | |
400 | remote->can_update_info_refs = 0; | |
401 | free(url); | |
402 | return; | |
403 | } | |
404 | ||
405 | slot = get_active_slot(); | |
406 | slot->callback_func = process_response; | |
407 | slot->callback_data = request; | |
408 | request->slot = slot; | |
409 | request->local_stream = packfile; | |
410 | request->userData = target; | |
411 | ||
412 | request->url = url; | |
413 | curl_easy_setopt(slot->curl, CURLOPT_FILE, packfile); | |
414 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite); | |
415 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
416 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); | |
417 | slot->local = packfile; | |
418 | ||
419 | /* If there is data present from a previous transfer attempt, | |
420 | resume where it left off */ | |
421 | prev_posn = ftell(packfile); | |
422 | if (prev_posn>0) { | |
423 | if (push_verbosely) | |
424 | fprintf(stderr, | |
425 | "Resuming fetch of pack %s at byte %ld\n", | |
426 | sha1_to_hex(target->sha1), prev_posn); | |
427 | sprintf(range, "Range: bytes=%ld-", prev_posn); | |
428 | range_header = curl_slist_append(range_header, range); | |
429 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header); | |
430 | } | |
431 | ||
432 | /* Try to get the request started, abort the request on error */ | |
433 | request->state = RUN_FETCH_PACKED; | |
434 | if (!start_active_slot(slot)) { | |
435 | fprintf(stderr, "Unable to start GET request\n"); | |
436 | remote->can_update_info_refs = 0; | |
437 | release_request(request); | |
438 | } | |
439 | } | |
440 | ||
58e60dd2 NH |
441 | static void start_mkcol(struct transfer_request *request) |
442 | { | |
aa1dbc98 | 443 | char *hex = sha1_to_hex(request->obj->sha1); |
58e60dd2 NH |
444 | struct active_request_slot *slot; |
445 | char *posn; | |
446 | ||
447 | request->url = xmalloc(strlen(remote->url) + 13); | |
448 | strcpy(request->url, remote->url); | |
449 | posn = request->url + strlen(remote->url); | |
450 | strcpy(posn, "objects/"); | |
451 | posn += 8; | |
452 | memcpy(posn, hex, 2); | |
453 | posn += 2; | |
454 | strcpy(posn, "/"); | |
455 | ||
456 | slot = get_active_slot(); | |
29508e1e NH |
457 | slot->callback_func = process_response; |
458 | slot->callback_data = request; | |
58e60dd2 NH |
459 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */ |
460 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
461 | curl_easy_setopt(slot->curl, CURLOPT_ERRORBUFFER, request->errorstr); | |
462 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL); | |
463 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
464 | ||
465 | if (start_active_slot(slot)) { | |
466 | request->slot = slot; | |
467 | request->state = RUN_MKCOL; | |
468 | } else { | |
469 | request->state = ABORTED; | |
470 | free(request->url); | |
7b899967 | 471 | request->url = NULL; |
58e60dd2 NH |
472 | } |
473 | } | |
474 | ||
475 | static void start_put(struct transfer_request *request) | |
476 | { | |
aa1dbc98 | 477 | char *hex = sha1_to_hex(request->obj->sha1); |
58e60dd2 NH |
478 | struct active_request_slot *slot; |
479 | char *posn; | |
480 | char type[20]; | |
481 | char hdr[50]; | |
482 | void *unpacked; | |
483 | unsigned long len; | |
484 | int hdrlen; | |
485 | ssize_t size; | |
486 | z_stream stream; | |
487 | ||
aa1dbc98 | 488 | unpacked = read_sha1_file(request->obj->sha1, type, &len); |
58e60dd2 NH |
489 | hdrlen = sprintf(hdr, "%s %lu", type, len) + 1; |
490 | ||
491 | /* Set it up */ | |
492 | memset(&stream, 0, sizeof(stream)); | |
493 | deflateInit(&stream, Z_BEST_COMPRESSION); | |
494 | size = deflateBound(&stream, len + hdrlen); | |
495 | request->buffer.buffer = xmalloc(size); | |
496 | ||
497 | /* Compress it */ | |
498 | stream.next_out = request->buffer.buffer; | |
499 | stream.avail_out = size; | |
500 | ||
501 | /* First header.. */ | |
502 | stream.next_in = (void *)hdr; | |
503 | stream.avail_in = hdrlen; | |
504 | while (deflate(&stream, 0) == Z_OK) | |
505 | /* nothing */; | |
506 | ||
507 | /* Then the data itself.. */ | |
508 | stream.next_in = unpacked; | |
509 | stream.avail_in = len; | |
510 | while (deflate(&stream, Z_FINISH) == Z_OK) | |
511 | /* nothing */; | |
512 | deflateEnd(&stream); | |
513 | free(unpacked); | |
514 | ||
515 | request->buffer.size = stream.total_out; | |
516 | request->buffer.posn = 0; | |
517 | ||
58e60dd2 | 518 | request->url = xmalloc(strlen(remote->url) + |
26349b2e | 519 | strlen(request->lock->token) + 51); |
58e60dd2 NH |
520 | strcpy(request->url, remote->url); |
521 | posn = request->url + strlen(remote->url); | |
522 | strcpy(posn, "objects/"); | |
523 | posn += 8; | |
524 | memcpy(posn, hex, 2); | |
525 | posn += 2; | |
526 | *(posn++) = '/'; | |
527 | strcpy(posn, hex + 2); | |
528 | request->dest = xmalloc(strlen(request->url) + 14); | |
529 | sprintf(request->dest, "Destination: %s", request->url); | |
530 | posn += 38; | |
531 | *(posn++) = '.'; | |
26349b2e | 532 | strcpy(posn, request->lock->token); |
58e60dd2 NH |
533 | |
534 | slot = get_active_slot(); | |
29508e1e NH |
535 | slot->callback_func = process_response; |
536 | slot->callback_data = request; | |
58e60dd2 NH |
537 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &request->buffer); |
538 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, request->buffer.size); | |
539 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
540 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
541 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT); | |
542 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
543 | curl_easy_setopt(slot->curl, CURLOPT_PUT, 1); | |
544 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0); | |
545 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
546 | ||
547 | if (start_active_slot(slot)) { | |
548 | request->slot = slot; | |
549 | request->state = RUN_PUT; | |
550 | } else { | |
551 | request->state = ABORTED; | |
552 | free(request->url); | |
7b899967 | 553 | request->url = NULL; |
58e60dd2 NH |
554 | } |
555 | } | |
556 | ||
557 | static void start_move(struct transfer_request *request) | |
558 | { | |
559 | struct active_request_slot *slot; | |
560 | struct curl_slist *dav_headers = NULL; | |
561 | ||
562 | slot = get_active_slot(); | |
29508e1e NH |
563 | slot->callback_func = process_response; |
564 | slot->callback_data = request; | |
58e60dd2 NH |
565 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); /* undo PUT setup */ |
566 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MOVE); | |
567 | dav_headers = curl_slist_append(dav_headers, request->dest); | |
568 | dav_headers = curl_slist_append(dav_headers, "Overwrite: T"); | |
569 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
570 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
571 | curl_easy_setopt(slot->curl, CURLOPT_URL, request->url); | |
572 | ||
573 | if (start_active_slot(slot)) { | |
574 | request->slot = slot; | |
575 | request->state = RUN_MOVE; | |
576 | } else { | |
577 | request->state = ABORTED; | |
578 | free(request->url); | |
7b899967 | 579 | request->url = NULL; |
58e60dd2 NH |
580 | } |
581 | } | |
582 | ||
512d632c | 583 | static int refresh_lock(struct remote_lock *lock) |
75187c9d NH |
584 | { |
585 | struct active_request_slot *slot; | |
baa7b67d | 586 | struct slot_results results; |
75187c9d NH |
587 | char *if_header; |
588 | char timeout_header[25]; | |
589 | struct curl_slist *dav_headers = NULL; | |
512d632c | 590 | int rc = 0; |
75187c9d | 591 | |
512d632c | 592 | lock->refreshing = 1; |
75187c9d | 593 | |
512d632c NH |
594 | if_header = xmalloc(strlen(lock->token) + 25); |
595 | sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token); | |
596 | sprintf(timeout_header, "Timeout: Second-%ld", lock->timeout); | |
597 | dav_headers = curl_slist_append(dav_headers, if_header); | |
598 | dav_headers = curl_slist_append(dav_headers, timeout_header); | |
75187c9d | 599 | |
512d632c NH |
600 | slot = get_active_slot(); |
601 | slot->results = &results; | |
602 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
603 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
604 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); | |
605 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK); | |
606 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
75187c9d | 607 | |
512d632c NH |
608 | if (start_active_slot(slot)) { |
609 | run_active_slot(slot); | |
610 | if (results.curl_result != CURLE_OK) { | |
611 | fprintf(stderr, "LOCK HTTP error %ld\n", | |
612 | results.http_code); | |
613 | } else { | |
614 | lock->start_time = time(NULL); | |
615 | rc = 1; | |
616 | } | |
617 | } | |
aa1dbc98 | 618 | |
512d632c NH |
619 | lock->refreshing = 0; |
620 | curl_slist_free_all(dav_headers); | |
621 | free(if_header); | |
aa1dbc98 | 622 | |
512d632c NH |
623 | return rc; |
624 | } | |
625 | ||
ec26b4d6 | 626 | static void check_locks(void) |
512d632c NH |
627 | { |
628 | struct remote_lock *lock = remote->locks; | |
629 | time_t current_time = time(NULL); | |
630 | int time_remaining; | |
631 | ||
632 | while (lock) { | |
633 | time_remaining = lock->start_time + lock->timeout - | |
634 | current_time; | |
635 | if (!lock->refreshing && time_remaining < LOCK_REFRESH) { | |
636 | if (!refresh_lock(lock)) { | |
637 | fprintf(stderr, | |
638 | "Unable to refresh lock for %s\n", | |
639 | lock->url); | |
640 | aborted = 1; | |
641 | return; | |
aa1dbc98 | 642 | } |
75187c9d | 643 | } |
512d632c | 644 | lock = lock->next; |
75187c9d | 645 | } |
aa1dbc98 | 646 | } |
75187c9d | 647 | |
aa1dbc98 NH |
648 | static void release_request(struct transfer_request *request) |
649 | { | |
650 | struct transfer_request *entry = request_queue_head; | |
651 | ||
652 | if (request == request_queue_head) { | |
653 | request_queue_head = request->next; | |
654 | } else { | |
655 | while (entry->next != NULL && entry->next != request) | |
656 | entry = entry->next; | |
657 | if (entry->next == request) | |
658 | entry->next = entry->next->next; | |
659 | } | |
660 | ||
197e8951 NH |
661 | if (request->local_fileno != -1) |
662 | close(request->local_fileno); | |
663 | if (request->local_stream) | |
664 | fclose(request->local_stream); | |
aa1dbc98 NH |
665 | if (request->url != NULL) |
666 | free(request->url); | |
667 | free(request); | |
75187c9d NH |
668 | } |
669 | ||
58e60dd2 NH |
670 | static void finish_request(struct transfer_request *request) |
671 | { | |
197e8951 NH |
672 | struct stat st; |
673 | struct packed_git *target; | |
674 | struct packed_git **lst; | |
675 | ||
676 | request->curl_result = request->slot->curl_result; | |
58e60dd2 NH |
677 | request->http_code = request->slot->http_code; |
678 | request->slot = NULL; | |
75187c9d | 679 | |
aa1dbc98 | 680 | /* Keep locks active */ |
512d632c | 681 | check_locks(); |
75187c9d | 682 | |
58e60dd2 NH |
683 | if (request->headers != NULL) |
684 | curl_slist_free_all(request->headers); | |
7b899967 NH |
685 | |
686 | /* URL is reused for MOVE after PUT */ | |
687 | if (request->state != RUN_PUT) { | |
688 | free(request->url); | |
689 | request->url = NULL; | |
aa1dbc98 | 690 | } |
7b899967 | 691 | |
aa1dbc98 | 692 | if (request->state == RUN_MKCOL) { |
58e60dd2 NH |
693 | if (request->curl_result == CURLE_OK || |
694 | request->http_code == 405) { | |
aa1dbc98 | 695 | remote_dir_exists[request->obj->sha1[0]] = 1; |
58e60dd2 NH |
696 | start_put(request); |
697 | } else { | |
698 | fprintf(stderr, "MKCOL %s failed, aborting (%d/%ld)\n", | |
aa1dbc98 | 699 | sha1_to_hex(request->obj->sha1), |
58e60dd2 NH |
700 | request->curl_result, request->http_code); |
701 | request->state = ABORTED; | |
702 | aborted = 1; | |
703 | } | |
704 | } else if (request->state == RUN_PUT) { | |
705 | if (request->curl_result == CURLE_OK) { | |
706 | start_move(request); | |
707 | } else { | |
708 | fprintf(stderr, "PUT %s failed, aborting (%d/%ld)\n", | |
aa1dbc98 | 709 | sha1_to_hex(request->obj->sha1), |
58e60dd2 NH |
710 | request->curl_result, request->http_code); |
711 | request->state = ABORTED; | |
712 | aborted = 1; | |
713 | } | |
714 | } else if (request->state == RUN_MOVE) { | |
715 | if (request->curl_result == CURLE_OK) { | |
1a703cba NH |
716 | if (push_verbosely) |
717 | fprintf(stderr, " sent %s\n", | |
718 | sha1_to_hex(request->obj->sha1)); | |
aa1dbc98 NH |
719 | request->obj->flags |= REMOTE; |
720 | release_request(request); | |
58e60dd2 NH |
721 | } else { |
722 | fprintf(stderr, "MOVE %s failed, aborting (%d/%ld)\n", | |
aa1dbc98 | 723 | sha1_to_hex(request->obj->sha1), |
58e60dd2 NH |
724 | request->curl_result, request->http_code); |
725 | request->state = ABORTED; | |
726 | aborted = 1; | |
727 | } | |
197e8951 NH |
728 | } else if (request->state == RUN_FETCH_LOOSE) { |
729 | fchmod(request->local_fileno, 0444); | |
730 | close(request->local_fileno); request->local_fileno = -1; | |
731 | ||
732 | if (request->curl_result != CURLE_OK && | |
733 | request->http_code != 416) { | |
734 | if (stat(request->tmpfile, &st) == 0) { | |
735 | if (st.st_size == 0) | |
736 | unlink(request->tmpfile); | |
737 | } | |
738 | } else { | |
739 | if (request->http_code == 416) | |
740 | fprintf(stderr, "Warning: requested range invalid; we may already have all the data.\n"); | |
741 | ||
742 | inflateEnd(&request->stream); | |
743 | SHA1_Final(request->real_sha1, &request->c); | |
744 | if (request->zret != Z_STREAM_END) { | |
745 | unlink(request->tmpfile); | |
746 | } else if (memcmp(request->obj->sha1, request->real_sha1, 20)) { | |
747 | unlink(request->tmpfile); | |
748 | } else { | |
749 | request->rename = | |
750 | move_temp_to_file( | |
751 | request->tmpfile, | |
752 | request->filename); | |
753 | if (request->rename == 0) { | |
754 | request->obj->flags |= (LOCAL | REMOTE); | |
755 | } | |
756 | } | |
757 | } | |
758 | ||
759 | /* Try fetching packed if necessary */ | |
760 | if (request->obj->flags & LOCAL) | |
761 | release_request(request); | |
762 | else | |
763 | start_fetch_packed(request); | |
764 | ||
765 | } else if (request->state == RUN_FETCH_PACKED) { | |
766 | if (request->curl_result != CURLE_OK) { | |
767 | fprintf(stderr, "Unable to get pack file %s\n%s", | |
768 | request->url, curl_errorstr); | |
769 | remote->can_update_info_refs = 0; | |
770 | } else { | |
771 | fclose(request->local_stream); | |
772 | request->local_stream = NULL; | |
773 | if (!move_temp_to_file(request->tmpfile, | |
774 | request->filename)) { | |
775 | target = (struct packed_git *)request->userData; | |
776 | lst = &remote->packs; | |
777 | while (*lst != target) | |
778 | lst = &((*lst)->next); | |
779 | *lst = (*lst)->next; | |
780 | ||
781 | if (!verify_pack(target, 0)) | |
782 | install_packed_git(target); | |
783 | else | |
784 | remote->can_update_info_refs = 0; | |
785 | } | |
786 | } | |
787 | release_request(request); | |
58e60dd2 NH |
788 | } |
789 | } | |
790 | ||
b3ca4e4e | 791 | #ifdef USE_CURL_MULTI |
29508e1e | 792 | void fill_active_slots(void) |
58e60dd2 NH |
793 | { |
794 | struct transfer_request *request = request_queue_head; | |
197e8951 | 795 | struct transfer_request *next; |
58e60dd2 NH |
796 | struct active_request_slot *slot = active_queue_head; |
797 | int num_transfers; | |
798 | ||
799 | if (aborted) | |
800 | return; | |
801 | ||
802 | while (active_requests < max_requests && request != NULL) { | |
197e8951 NH |
803 | next = request->next; |
804 | if (request->state == NEED_FETCH) { | |
805 | start_fetch_loose(request); | |
806 | } else if (pushing && request->state == NEED_PUSH) { | |
aa1dbc98 | 807 | if (remote_dir_exists[request->obj->sha1[0]] == 1) { |
0dd276b8 | 808 | start_put(request); |
aa1dbc98 | 809 | } else { |
0dd276b8 | 810 | start_mkcol(request); |
aa1dbc98 | 811 | } |
58e60dd2 NH |
812 | curl_multi_perform(curlm, &num_transfers); |
813 | } | |
197e8951 | 814 | request = next; |
58e60dd2 NH |
815 | } |
816 | ||
817 | while (slot != NULL) { | |
818 | if (!slot->in_use && slot->curl != NULL) { | |
819 | curl_easy_cleanup(slot->curl); | |
820 | slot->curl = NULL; | |
821 | } | |
822 | slot = slot->next; | |
aa1dbc98 | 823 | } |
58e60dd2 | 824 | } |
b3ca4e4e | 825 | #endif |
58e60dd2 | 826 | |
aa1dbc98 NH |
827 | static void get_remote_object_list(unsigned char parent); |
828 | ||
197e8951 NH |
829 | static void add_fetch_request(struct object *obj) |
830 | { | |
831 | struct transfer_request *request; | |
832 | ||
833 | check_locks(); | |
834 | ||
835 | /* | |
836 | * Don't fetch the object if it's known to exist locally | |
837 | * or is already in the request queue | |
838 | */ | |
839 | if (remote_dir_exists[obj->sha1[0]] == -1) | |
840 | get_remote_object_list(obj->sha1[0]); | |
841 | if (obj->flags & (LOCAL | FETCHING)) | |
842 | return; | |
843 | ||
844 | obj->flags |= FETCHING; | |
845 | request = xmalloc(sizeof(*request)); | |
846 | request->obj = obj; | |
847 | request->url = NULL; | |
848 | request->lock = NULL; | |
849 | request->headers = NULL; | |
850 | request->local_fileno = -1; | |
851 | request->local_stream = NULL; | |
852 | request->state = NEED_FETCH; | |
853 | request->next = request_queue_head; | |
854 | request_queue_head = request; | |
855 | ||
b3ca4e4e | 856 | #ifdef USE_CURL_MULTI |
197e8951 NH |
857 | fill_active_slots(); |
858 | step_active_slots(); | |
b3ca4e4e | 859 | #endif |
197e8951 NH |
860 | } |
861 | ||
1a703cba | 862 | static int add_send_request(struct object *obj, struct remote_lock *lock) |
58e60dd2 NH |
863 | { |
864 | struct transfer_request *request = request_queue_head; | |
58e60dd2 | 865 | struct packed_git *target; |
58e60dd2 | 866 | |
512d632c NH |
867 | /* Keep locks active */ |
868 | check_locks(); | |
869 | ||
aa1dbc98 NH |
870 | /* |
871 | * Don't push the object if it's known to exist on the remote | |
872 | * or is already in the request queue | |
873 | */ | |
874 | if (remote_dir_exists[obj->sha1[0]] == -1) | |
875 | get_remote_object_list(obj->sha1[0]); | |
876 | if (obj->flags & (REMOTE | PUSHING)) | |
1a703cba | 877 | return 0; |
aa1dbc98 NH |
878 | target = find_sha1_pack(obj->sha1, remote->packs); |
879 | if (target) { | |
880 | obj->flags |= REMOTE; | |
1a703cba | 881 | return 0; |
aa1dbc98 | 882 | } |
58e60dd2 | 883 | |
aa1dbc98 | 884 | obj->flags |= PUSHING; |
58e60dd2 | 885 | request = xmalloc(sizeof(*request)); |
aa1dbc98 | 886 | request->obj = obj; |
58e60dd2 | 887 | request->url = NULL; |
26349b2e | 888 | request->lock = lock; |
58e60dd2 | 889 | request->headers = NULL; |
197e8951 NH |
890 | request->local_fileno = -1; |
891 | request->local_stream = NULL; | |
aa1dbc98 | 892 | request->state = NEED_PUSH; |
c17fb6ee NH |
893 | request->next = request_queue_head; |
894 | request_queue_head = request; | |
29508e1e | 895 | |
b3ca4e4e | 896 | #ifdef USE_CURL_MULTI |
29508e1e NH |
897 | fill_active_slots(); |
898 | step_active_slots(); | |
b3ca4e4e | 899 | #endif |
1a703cba NH |
900 | |
901 | return 1; | |
58e60dd2 NH |
902 | } |
903 | ||
904 | static int fetch_index(unsigned char *sha1) | |
905 | { | |
906 | char *hex = sha1_to_hex(sha1); | |
907 | char *filename; | |
908 | char *url; | |
909 | char tmpfile[PATH_MAX]; | |
910 | long prev_posn = 0; | |
911 | char range[RANGE_HEADER_SIZE]; | |
912 | struct curl_slist *range_header = NULL; | |
913 | ||
914 | FILE *indexfile; | |
915 | struct active_request_slot *slot; | |
baa7b67d | 916 | struct slot_results results; |
58e60dd2 | 917 | |
c17fb6ee | 918 | /* Don't use the index if the pack isn't there */ |
1a703cba NH |
919 | url = xmalloc(strlen(remote->url) + 64); |
920 | sprintf(url, "%sobjects/pack/pack-%s.pack", remote->url, hex); | |
c17fb6ee | 921 | slot = get_active_slot(); |
baa7b67d | 922 | slot->results = &results; |
c17fb6ee NH |
923 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
924 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 1); | |
925 | if (start_active_slot(slot)) { | |
926 | run_active_slot(slot); | |
baa7b67d | 927 | if (results.curl_result != CURLE_OK) { |
c17fb6ee NH |
928 | free(url); |
929 | return error("Unable to verify pack %s is available", | |
930 | hex); | |
931 | } | |
932 | } else { | |
933 | return error("Unable to start request"); | |
934 | } | |
935 | ||
58e60dd2 NH |
936 | if (has_pack_index(sha1)) |
937 | return 0; | |
938 | ||
939 | if (push_verbosely) | |
940 | fprintf(stderr, "Getting index for pack %s\n", hex); | |
1a703cba NH |
941 | |
942 | sprintf(url, "%sobjects/pack/pack-%s.idx", remote->url, hex); | |
943 | ||
58e60dd2 NH |
944 | filename = sha1_pack_index_name(sha1); |
945 | snprintf(tmpfile, sizeof(tmpfile), "%s.temp", filename); | |
946 | indexfile = fopen(tmpfile, "a"); | |
947 | if (!indexfile) | |
948 | return error("Unable to open local file %s for pack index", | |
949 | filename); | |
950 | ||
951 | slot = get_active_slot(); | |
baa7b67d | 952 | slot->results = &results; |
c17fb6ee NH |
953 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 0); |
954 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
58e60dd2 NH |
955 | curl_easy_setopt(slot->curl, CURLOPT_FILE, indexfile); |
956 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite); | |
957 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
958 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, no_pragma_header); | |
959 | slot->local = indexfile; | |
960 | ||
961 | /* If there is data present from a previous transfer attempt, | |
962 | resume where it left off */ | |
963 | prev_posn = ftell(indexfile); | |
964 | if (prev_posn>0) { | |
965 | if (push_verbosely) | |
966 | fprintf(stderr, | |
967 | "Resuming fetch of index for pack %s at byte %ld\n", | |
968 | hex, prev_posn); | |
969 | sprintf(range, "Range: bytes=%ld-", prev_posn); | |
970 | range_header = curl_slist_append(range_header, range); | |
971 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, range_header); | |
972 | } | |
973 | ||
974 | if (start_active_slot(slot)) { | |
975 | run_active_slot(slot); | |
baa7b67d | 976 | if (results.curl_result != CURLE_OK) { |
58e60dd2 NH |
977 | free(url); |
978 | fclose(indexfile); | |
979 | return error("Unable to get pack index %s\n%s", url, | |
980 | curl_errorstr); | |
981 | } | |
982 | } else { | |
983 | free(url); | |
7b899967 | 984 | fclose(indexfile); |
58e60dd2 NH |
985 | return error("Unable to start request"); |
986 | } | |
987 | ||
988 | free(url); | |
989 | fclose(indexfile); | |
990 | ||
991 | return move_temp_to_file(tmpfile, filename); | |
992 | } | |
993 | ||
994 | static int setup_index(unsigned char *sha1) | |
995 | { | |
996 | struct packed_git *new_pack; | |
58e60dd2 NH |
997 | |
998 | if (fetch_index(sha1)) | |
999 | return -1; | |
1000 | ||
1001 | new_pack = parse_pack_index(sha1); | |
1002 | new_pack->next = remote->packs; | |
1003 | remote->packs = new_pack; | |
1004 | return 0; | |
1005 | } | |
1006 | ||
f4f440a0 | 1007 | static int fetch_indices(void) |
58e60dd2 NH |
1008 | { |
1009 | unsigned char sha1[20]; | |
1010 | char *url; | |
1011 | struct buffer buffer; | |
1012 | char *data; | |
1013 | int i = 0; | |
1014 | ||
1015 | struct active_request_slot *slot; | |
baa7b67d | 1016 | struct slot_results results; |
58e60dd2 | 1017 | |
90321c10 | 1018 | data = xcalloc(1, 4096); |
58e60dd2 NH |
1019 | buffer.size = 4096; |
1020 | buffer.posn = 0; | |
1021 | buffer.buffer = data; | |
1022 | ||
1023 | if (push_verbosely) | |
1024 | fprintf(stderr, "Getting pack list\n"); | |
1a703cba NH |
1025 | |
1026 | url = xmalloc(strlen(remote->url) + 20); | |
1027 | sprintf(url, "%sobjects/info/packs", remote->url); | |
58e60dd2 NH |
1028 | |
1029 | slot = get_active_slot(); | |
baa7b67d | 1030 | slot->results = &results; |
58e60dd2 | 1031 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); |
29508e1e | 1032 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
58e60dd2 NH |
1033 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
1034 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
1035 | if (start_active_slot(slot)) { | |
1036 | run_active_slot(slot); | |
baa7b67d | 1037 | if (results.curl_result != CURLE_OK) { |
58e60dd2 NH |
1038 | free(buffer.buffer); |
1039 | free(url); | |
baa7b67d | 1040 | if (results.http_code == 404) |
58e60dd2 NH |
1041 | return 0; |
1042 | else | |
1043 | return error("%s", curl_errorstr); | |
1044 | } | |
1045 | } else { | |
1046 | free(buffer.buffer); | |
1047 | free(url); | |
1048 | return error("Unable to start request"); | |
1049 | } | |
1050 | free(url); | |
1051 | ||
1052 | data = buffer.buffer; | |
1053 | while (i < buffer.posn) { | |
1054 | switch (data[i]) { | |
1055 | case 'P': | |
1056 | i++; | |
1057 | if (i + 52 < buffer.posn && | |
1058 | !strncmp(data + i, " pack-", 6) && | |
1059 | !strncmp(data + i + 46, ".pack\n", 6)) { | |
1060 | get_sha1_hex(data + i + 6, sha1); | |
1061 | setup_index(sha1); | |
1062 | i += 51; | |
1063 | break; | |
1064 | } | |
1065 | default: | |
1066 | while (data[i] != '\n') | |
1067 | i++; | |
1068 | } | |
1069 | i++; | |
1070 | } | |
1071 | ||
1072 | free(buffer.buffer); | |
1073 | return 0; | |
1074 | } | |
1075 | ||
1076 | static inline int needs_quote(int ch) | |
1077 | { | |
1078 | switch (ch) { | |
1079 | case '/': case '-': case '.': | |
1080 | case 'A'...'Z': case 'a'...'z': case '0'...'9': | |
1081 | return 0; | |
1082 | default: | |
1083 | return 1; | |
1084 | } | |
1085 | } | |
1086 | ||
1087 | static inline int hex(int v) | |
1088 | { | |
1089 | if (v < 10) return '0' + v; | |
1090 | else return 'A' + v - 10; | |
1091 | } | |
1092 | ||
1093 | static char *quote_ref_url(const char *base, const char *ref) | |
1094 | { | |
1095 | const char *cp; | |
1096 | char *dp, *qref; | |
1097 | int len, baselen, ch; | |
1098 | ||
1099 | baselen = strlen(base); | |
aa1dbc98 | 1100 | len = baselen + 1; |
58e60dd2 NH |
1101 | for (cp = ref; (ch = *cp) != 0; cp++, len++) |
1102 | if (needs_quote(ch)) | |
1103 | len += 2; /* extra two hex plus replacement % */ | |
1104 | qref = xmalloc(len); | |
1105 | memcpy(qref, base, baselen); | |
aa1dbc98 | 1106 | for (cp = ref, dp = qref + baselen; (ch = *cp) != 0; cp++) { |
58e60dd2 NH |
1107 | if (needs_quote(ch)) { |
1108 | *dp++ = '%'; | |
1109 | *dp++ = hex((ch >> 4) & 0xF); | |
1110 | *dp++ = hex(ch & 0xF); | |
1111 | } | |
1112 | else | |
1113 | *dp++ = ch; | |
1114 | } | |
1115 | *dp = 0; | |
1116 | ||
1117 | return qref; | |
1118 | } | |
1119 | ||
1120 | int fetch_ref(char *ref, unsigned char *sha1) | |
1121 | { | |
1122 | char *url; | |
1123 | char hex[42]; | |
1124 | struct buffer buffer; | |
1125 | char *base = remote->url; | |
1126 | struct active_request_slot *slot; | |
baa7b67d | 1127 | struct slot_results results; |
58e60dd2 NH |
1128 | buffer.size = 41; |
1129 | buffer.posn = 0; | |
1130 | buffer.buffer = hex; | |
1131 | hex[41] = '\0'; | |
baa7b67d | 1132 | |
58e60dd2 NH |
1133 | url = quote_ref_url(base, ref); |
1134 | slot = get_active_slot(); | |
baa7b67d | 1135 | slot->results = &results; |
58e60dd2 | 1136 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); |
29508e1e | 1137 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
58e60dd2 NH |
1138 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); |
1139 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
1140 | if (start_active_slot(slot)) { | |
1141 | run_active_slot(slot); | |
baa7b67d | 1142 | if (results.curl_result != CURLE_OK) |
58e60dd2 NH |
1143 | return error("Couldn't get %s for %s\n%s", |
1144 | url, ref, curl_errorstr); | |
1145 | } else { | |
1146 | return error("Unable to start request"); | |
1147 | } | |
1148 | ||
1149 | hex[40] = '\0'; | |
1150 | get_sha1_hex(hex, sha1); | |
1151 | return 0; | |
1152 | } | |
1153 | ||
aa1dbc98 NH |
1154 | static void one_remote_object(const char *hex) |
1155 | { | |
1156 | unsigned char sha1[20]; | |
1157 | struct object *obj; | |
1158 | ||
1159 | if (get_sha1_hex(hex, sha1) != 0) | |
1160 | return; | |
1161 | ||
1162 | obj = lookup_object(sha1); | |
1163 | if (!obj) | |
1164 | obj = parse_object(sha1); | |
1165 | ||
1166 | /* Ignore remote objects that don't exist locally */ | |
1167 | if (!obj) | |
1168 | return; | |
1169 | ||
1170 | obj->flags |= REMOTE; | |
1171 | if (!object_list_contains(objects, obj)) | |
1172 | add_object(obj, &objects, NULL, ""); | |
1173 | } | |
1174 | ||
acf59575 | 1175 | static void handle_lockprop_ctx(struct xml_ctx *ctx, int tag_closed) |
26349b2e | 1176 | { |
acf59575 NH |
1177 | int *lock_flags = (int *)ctx->userData; |
1178 | ||
1179 | if (tag_closed) { | |
1180 | if (!strcmp(ctx->name, DAV_CTX_LOCKENTRY)) { | |
1181 | if ((*lock_flags & DAV_PROP_LOCKEX) && | |
1182 | (*lock_flags & DAV_PROP_LOCKWR)) { | |
1183 | *lock_flags |= DAV_LOCK_OK; | |
1184 | } | |
1185 | *lock_flags &= DAV_LOCK_OK; | |
1186 | } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_WRITE)) { | |
1187 | *lock_flags |= DAV_PROP_LOCKWR; | |
1188 | } else if (!strcmp(ctx->name, DAV_CTX_LOCKTYPE_EXCLUSIVE)) { | |
1189 | *lock_flags |= DAV_PROP_LOCKEX; | |
1190 | } | |
1191 | } | |
26349b2e NH |
1192 | } |
1193 | ||
acf59575 | 1194 | static void handle_new_lock_ctx(struct xml_ctx *ctx, int tag_closed) |
26349b2e | 1195 | { |
aa1dbc98 | 1196 | struct remote_lock *lock = (struct remote_lock *)ctx->userData; |
acf59575 NH |
1197 | |
1198 | if (tag_closed && ctx->cdata) { | |
1199 | if (!strcmp(ctx->name, DAV_ACTIVELOCK_OWNER)) { | |
1200 | lock->owner = xmalloc(strlen(ctx->cdata) + 1); | |
1201 | strcpy(lock->owner, ctx->cdata); | |
1202 | } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TIMEOUT)) { | |
1203 | if (!strncmp(ctx->cdata, "Second-", 7)) | |
1204 | lock->timeout = | |
1205 | strtol(ctx->cdata + 7, NULL, 10); | |
1206 | } else if (!strcmp(ctx->name, DAV_ACTIVELOCK_TOKEN)) { | |
1207 | if (!strncmp(ctx->cdata, "opaquelocktoken:", 16)) { | |
3e2f62be | 1208 | lock->token = xmalloc(strlen(ctx->cdata) - 15); |
acf59575 NH |
1209 | strcpy(lock->token, ctx->cdata + 16); |
1210 | } | |
1211 | } | |
26349b2e NH |
1212 | } |
1213 | } | |
1214 | ||
aa1dbc98 | 1215 | static void one_remote_ref(char *refname); |
aa1dbc98 | 1216 | |
26349b2e | 1217 | static void |
acf59575 | 1218 | xml_start_tag(void *userData, const char *name, const char **atts) |
26349b2e | 1219 | { |
acf59575 | 1220 | struct xml_ctx *ctx = (struct xml_ctx *)userData; |
ef9e58c8 | 1221 | const char *c = strchr(name, ':'); |
acf59575 NH |
1222 | int new_len; |
1223 | ||
1224 | if (c == NULL) | |
1225 | c = name; | |
1226 | else | |
1227 | c++; | |
1228 | ||
1229 | new_len = strlen(ctx->name) + strlen(c) + 2; | |
1230 | ||
1231 | if (new_len > ctx->len) { | |
1232 | ctx->name = xrealloc(ctx->name, new_len); | |
1233 | ctx->len = new_len; | |
26349b2e | 1234 | } |
acf59575 NH |
1235 | strcat(ctx->name, "."); |
1236 | strcat(ctx->name, c); | |
26349b2e | 1237 | |
acf59575 NH |
1238 | if (ctx->cdata) { |
1239 | free(ctx->cdata); | |
1240 | ctx->cdata = NULL; | |
1241 | } | |
1242 | ||
1243 | ctx->userFunc(ctx, 0); | |
26349b2e NH |
1244 | } |
1245 | ||
58e60dd2 | 1246 | static void |
acf59575 | 1247 | xml_end_tag(void *userData, const char *name) |
58e60dd2 | 1248 | { |
acf59575 | 1249 | struct xml_ctx *ctx = (struct xml_ctx *)userData; |
ef9e58c8 | 1250 | const char *c = strchr(name, ':'); |
acf59575 | 1251 | char *ep; |
58e60dd2 | 1252 | |
acf59575 NH |
1253 | ctx->userFunc(ctx, 1); |
1254 | ||
1255 | if (c == NULL) | |
1256 | c = name; | |
1257 | else | |
1258 | c++; | |
1259 | ||
1260 | ep = ctx->name + strlen(ctx->name) - strlen(c) - 1; | |
1261 | *ep = 0; | |
58e60dd2 NH |
1262 | } |
1263 | ||
1264 | static void | |
acf59575 | 1265 | xml_cdata(void *userData, const XML_Char *s, int len) |
58e60dd2 | 1266 | { |
acf59575 NH |
1267 | struct xml_ctx *ctx = (struct xml_ctx *)userData; |
1268 | if (ctx->cdata) | |
1269 | free(ctx->cdata); | |
1270 | ctx->cdata = xcalloc(len+1, 1); | |
1271 | strncpy(ctx->cdata, s, len); | |
58e60dd2 NH |
1272 | } |
1273 | ||
aa1dbc98 | 1274 | static struct remote_lock *lock_remote(char *path, long timeout) |
58e60dd2 NH |
1275 | { |
1276 | struct active_request_slot *slot; | |
baa7b67d | 1277 | struct slot_results results; |
58e60dd2 | 1278 | struct buffer out_buffer; |
26349b2e | 1279 | struct buffer in_buffer; |
58e60dd2 | 1280 | char *out_data; |
26349b2e | 1281 | char *in_data; |
58e60dd2 | 1282 | char *url; |
0772b9a6 | 1283 | char *ep; |
58e60dd2 | 1284 | char timeout_header[25]; |
512d632c | 1285 | struct remote_lock *lock = NULL; |
26349b2e NH |
1286 | XML_Parser parser = XML_ParserCreate(NULL); |
1287 | enum XML_Status result; | |
58e60dd2 | 1288 | struct curl_slist *dav_headers = NULL; |
acf59575 | 1289 | struct xml_ctx ctx; |
58e60dd2 | 1290 | |
aa1dbc98 NH |
1291 | url = xmalloc(strlen(remote->url) + strlen(path) + 1); |
1292 | sprintf(url, "%s%s", remote->url, path); | |
1293 | ||
0772b9a6 NH |
1294 | /* Make sure leading directories exist for the remote ref */ |
1295 | ep = strchr(url + strlen(remote->url) + 11, '/'); | |
1296 | while (ep) { | |
1297 | *ep = 0; | |
1298 | slot = get_active_slot(); | |
baa7b67d | 1299 | slot->results = &results; |
0772b9a6 NH |
1300 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); |
1301 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
1302 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_MKCOL); | |
1303 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
1304 | if (start_active_slot(slot)) { | |
1305 | run_active_slot(slot); | |
baa7b67d NH |
1306 | if (results.curl_result != CURLE_OK && |
1307 | results.http_code != 405) { | |
0772b9a6 NH |
1308 | fprintf(stderr, |
1309 | "Unable to create branch path %s\n", | |
1310 | url); | |
1311 | free(url); | |
1312 | return NULL; | |
1313 | } | |
1314 | } else { | |
1a703cba | 1315 | fprintf(stderr, "Unable to start MKCOL request\n"); |
0772b9a6 NH |
1316 | free(url); |
1317 | return NULL; | |
1318 | } | |
1319 | *ep = '/'; | |
1320 | ep = strchr(ep + 1, '/'); | |
1321 | } | |
1322 | ||
58e60dd2 NH |
1323 | out_buffer.size = strlen(LOCK_REQUEST) + strlen(git_default_email) - 2; |
1324 | out_data = xmalloc(out_buffer.size + 1); | |
1325 | snprintf(out_data, out_buffer.size + 1, LOCK_REQUEST, git_default_email); | |
1326 | out_buffer.posn = 0; | |
1327 | out_buffer.buffer = out_data; | |
1328 | ||
26349b2e NH |
1329 | in_buffer.size = 4096; |
1330 | in_data = xmalloc(in_buffer.size); | |
1331 | in_buffer.posn = 0; | |
1332 | in_buffer.buffer = in_data; | |
1333 | ||
75187c9d | 1334 | sprintf(timeout_header, "Timeout: Second-%ld", timeout); |
58e60dd2 NH |
1335 | dav_headers = curl_slist_append(dav_headers, timeout_header); |
1336 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1337 | ||
1338 | slot = get_active_slot(); | |
baa7b67d | 1339 | slot->results = &results; |
58e60dd2 NH |
1340 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); |
1341 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1342 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
26349b2e | 1343 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); |
29508e1e | 1344 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
58e60dd2 NH |
1345 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); |
1346 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1347 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_LOCK); | |
1348 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1349 | ||
aa1dbc98 | 1350 | lock = xcalloc(1, sizeof(*lock)); |
aa1dbc98 | 1351 | lock->timeout = -1; |
acf59575 | 1352 | |
58e60dd2 NH |
1353 | if (start_active_slot(slot)) { |
1354 | run_active_slot(slot); | |
baa7b67d | 1355 | if (results.curl_result == CURLE_OK) { |
acf59575 NH |
1356 | ctx.name = xcalloc(10, 1); |
1357 | ctx.len = 0; | |
1358 | ctx.cdata = NULL; | |
1359 | ctx.userFunc = handle_new_lock_ctx; | |
aa1dbc98 | 1360 | ctx.userData = lock; |
acf59575 NH |
1361 | XML_SetUserData(parser, &ctx); |
1362 | XML_SetElementHandler(parser, xml_start_tag, | |
1363 | xml_end_tag); | |
1364 | XML_SetCharacterDataHandler(parser, xml_cdata); | |
1365 | result = XML_Parse(parser, in_buffer.buffer, | |
1366 | in_buffer.posn, 1); | |
1367 | free(ctx.name); | |
1368 | if (result != XML_STATUS_OK) { | |
1369 | fprintf(stderr, "XML error: %s\n", | |
1370 | XML_ErrorString( | |
1371 | XML_GetErrorCode(parser))); | |
aa1dbc98 | 1372 | lock->timeout = -1; |
acf59575 | 1373 | } |
58e60dd2 NH |
1374 | } |
1375 | } else { | |
1a703cba | 1376 | fprintf(stderr, "Unable to start LOCK request\n"); |
58e60dd2 NH |
1377 | } |
1378 | ||
acf59575 | 1379 | curl_slist_free_all(dav_headers); |
0772b9a6 | 1380 | free(out_data); |
26349b2e | 1381 | free(in_data); |
26349b2e | 1382 | |
aa1dbc98 NH |
1383 | if (lock->token == NULL || lock->timeout <= 0) { |
1384 | if (lock->token != NULL) | |
1385 | free(lock->token); | |
1386 | if (lock->owner != NULL) | |
1387 | free(lock->owner); | |
75187c9d | 1388 | free(url); |
aa1dbc98 NH |
1389 | free(lock); |
1390 | lock = NULL; | |
acf59575 | 1391 | } else { |
aa1dbc98 | 1392 | lock->url = url; |
aa1dbc98 | 1393 | lock->start_time = time(NULL); |
512d632c NH |
1394 | lock->next = remote->locks; |
1395 | remote->locks = lock; | |
26349b2e NH |
1396 | } |
1397 | ||
aa1dbc98 | 1398 | return lock; |
58e60dd2 NH |
1399 | } |
1400 | ||
aa1dbc98 | 1401 | static int unlock_remote(struct remote_lock *lock) |
58e60dd2 NH |
1402 | { |
1403 | struct active_request_slot *slot; | |
baa7b67d | 1404 | struct slot_results results; |
512d632c | 1405 | struct remote_lock *prev = remote->locks; |
58e60dd2 NH |
1406 | char *lock_token_header; |
1407 | struct curl_slist *dav_headers = NULL; | |
1408 | int rc = 0; | |
1409 | ||
26349b2e | 1410 | lock_token_header = xmalloc(strlen(lock->token) + 31); |
58e60dd2 | 1411 | sprintf(lock_token_header, "Lock-Token: <opaquelocktoken:%s>", |
26349b2e | 1412 | lock->token); |
58e60dd2 NH |
1413 | dav_headers = curl_slist_append(dav_headers, lock_token_header); |
1414 | ||
1415 | slot = get_active_slot(); | |
baa7b67d | 1416 | slot->results = &results; |
58e60dd2 | 1417 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); |
75187c9d | 1418 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); |
58e60dd2 NH |
1419 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_UNLOCK); |
1420 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1421 | ||
1422 | if (start_active_slot(slot)) { | |
1423 | run_active_slot(slot); | |
baa7b67d | 1424 | if (results.curl_result == CURLE_OK) |
58e60dd2 NH |
1425 | rc = 1; |
1426 | else | |
512d632c | 1427 | fprintf(stderr, "UNLOCK HTTP error %ld\n", |
baa7b67d | 1428 | results.http_code); |
58e60dd2 | 1429 | } else { |
512d632c | 1430 | fprintf(stderr, "Unable to start UNLOCK request\n"); |
58e60dd2 NH |
1431 | } |
1432 | ||
1433 | curl_slist_free_all(dav_headers); | |
1434 | free(lock_token_header); | |
75187c9d | 1435 | |
512d632c NH |
1436 | if (remote->locks == lock) { |
1437 | remote->locks = lock->next; | |
1438 | } else { | |
1439 | while (prev && prev->next != lock) | |
1440 | prev = prev->next; | |
1441 | if (prev) | |
1442 | prev->next = prev->next->next; | |
1443 | } | |
1444 | ||
1445 | if (lock->owner != NULL) | |
1446 | free(lock->owner); | |
1447 | free(lock->url); | |
1448 | free(lock->token); | |
1449 | free(lock); | |
58e60dd2 NH |
1450 | |
1451 | return rc; | |
1452 | } | |
1453 | ||
3030baa7 NH |
1454 | static void remote_ls(const char *path, int flags, |
1455 | void (*userFunc)(struct remote_ls_ctx *ls), | |
1456 | void *userData); | |
aa1dbc98 | 1457 | |
3030baa7 NH |
1458 | static void process_ls_object(struct remote_ls_ctx *ls) |
1459 | { | |
1460 | unsigned int *parent = (unsigned int *)ls->userData; | |
1461 | char *path = ls->dentry_name; | |
1462 | char *obj_hex; | |
aa1dbc98 | 1463 | |
3030baa7 NH |
1464 | if (!strcmp(ls->path, ls->dentry_name) && (ls->flags & IS_DIR)) { |
1465 | remote_dir_exists[*parent] = 1; | |
1466 | return; | |
1467 | } | |
aa1dbc98 | 1468 | |
3030baa7 NH |
1469 | if (strlen(path) != 49) |
1470 | return; | |
1471 | path += 8; | |
1472 | obj_hex = xmalloc(strlen(path)); | |
1473 | strncpy(obj_hex, path, 2); | |
1474 | strcpy(obj_hex + 2, path + 3); | |
1475 | one_remote_object(obj_hex); | |
1476 | free(obj_hex); | |
1477 | } | |
aa1dbc98 | 1478 | |
3030baa7 NH |
1479 | static void process_ls_ref(struct remote_ls_ctx *ls) |
1480 | { | |
1481 | if (!strcmp(ls->path, ls->dentry_name) && (ls->dentry_flags & IS_DIR)) { | |
1482 | fprintf(stderr, " %s\n", ls->dentry_name); | |
1483 | return; | |
1484 | } | |
aa1dbc98 | 1485 | |
3030baa7 NH |
1486 | if (!(ls->dentry_flags & IS_DIR)) |
1487 | one_remote_ref(ls->dentry_name); | |
1488 | } | |
aa1dbc98 | 1489 | |
3030baa7 NH |
1490 | static void handle_remote_ls_ctx(struct xml_ctx *ctx, int tag_closed) |
1491 | { | |
1492 | struct remote_ls_ctx *ls = (struct remote_ls_ctx *)ctx->userData; | |
aa1dbc98 | 1493 | |
3030baa7 NH |
1494 | if (tag_closed) { |
1495 | if (!strcmp(ctx->name, DAV_PROPFIND_RESP) && ls->dentry_name) { | |
1496 | if (ls->dentry_flags & IS_DIR) { | |
1497 | if (ls->flags & PROCESS_DIRS) { | |
1498 | ls->userFunc(ls); | |
1499 | } | |
1500 | if (strcmp(ls->dentry_name, ls->path) && | |
1501 | ls->flags & RECURSIVE) { | |
1502 | remote_ls(ls->dentry_name, | |
1503 | ls->flags, | |
1504 | ls->userFunc, | |
1505 | ls->userData); | |
1506 | } | |
1507 | } else if (ls->flags & PROCESS_FILES) { | |
1508 | ls->userFunc(ls); | |
aa1dbc98 | 1509 | } |
3030baa7 NH |
1510 | } else if (!strcmp(ctx->name, DAV_PROPFIND_NAME) && ctx->cdata) { |
1511 | ls->dentry_name = xmalloc(strlen(ctx->cdata) - | |
1512 | remote->path_len + 1); | |
1513 | strcpy(ls->dentry_name, ctx->cdata + remote->path_len); | |
1514 | } else if (!strcmp(ctx->name, DAV_PROPFIND_COLLECTION)) { | |
1515 | ls->dentry_flags |= IS_DIR; | |
aa1dbc98 | 1516 | } |
3030baa7 NH |
1517 | } else if (!strcmp(ctx->name, DAV_PROPFIND_RESP)) { |
1518 | if (ls->dentry_name) { | |
1519 | free(ls->dentry_name); | |
1520 | } | |
1521 | ls->dentry_name = NULL; | |
1522 | ls->dentry_flags = 0; | |
aa1dbc98 | 1523 | } |
aa1dbc98 NH |
1524 | } |
1525 | ||
3030baa7 NH |
1526 | static void remote_ls(const char *path, int flags, |
1527 | void (*userFunc)(struct remote_ls_ctx *ls), | |
1528 | void *userData) | |
aa1dbc98 | 1529 | { |
3030baa7 | 1530 | char *url = xmalloc(strlen(remote->url) + strlen(path) + 1); |
aa1dbc98 | 1531 | struct active_request_slot *slot; |
baa7b67d | 1532 | struct slot_results results; |
aa1dbc98 NH |
1533 | struct buffer in_buffer; |
1534 | struct buffer out_buffer; | |
1535 | char *in_data; | |
1536 | char *out_data; | |
1537 | XML_Parser parser = XML_ParserCreate(NULL); | |
1538 | enum XML_Status result; | |
1539 | struct curl_slist *dav_headers = NULL; | |
1540 | struct xml_ctx ctx; | |
3030baa7 NH |
1541 | struct remote_ls_ctx ls; |
1542 | ||
1543 | ls.flags = flags; | |
1544 | ls.path = strdup(path); | |
1545 | ls.dentry_name = NULL; | |
1546 | ls.dentry_flags = 0; | |
1547 | ls.userData = userData; | |
1548 | ls.userFunc = userFunc; | |
aa1dbc98 | 1549 | |
aa1dbc98 NH |
1550 | sprintf(url, "%s%s", remote->url, path); |
1551 | ||
1552 | out_buffer.size = strlen(PROPFIND_ALL_REQUEST); | |
1553 | out_data = xmalloc(out_buffer.size + 1); | |
1554 | snprintf(out_data, out_buffer.size + 1, PROPFIND_ALL_REQUEST); | |
1555 | out_buffer.posn = 0; | |
1556 | out_buffer.buffer = out_data; | |
1557 | ||
1558 | in_buffer.size = 4096; | |
1559 | in_data = xmalloc(in_buffer.size); | |
1560 | in_buffer.posn = 0; | |
1561 | in_buffer.buffer = in_data; | |
1562 | ||
1563 | dav_headers = curl_slist_append(dav_headers, "Depth: 1"); | |
1564 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
1565 | ||
1566 | slot = get_active_slot(); | |
baa7b67d | 1567 | slot->results = &results; |
aa1dbc98 NH |
1568 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); |
1569 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1570 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1571 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
1572 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); | |
1573 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
1574 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1575 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND); | |
1576 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1577 | ||
1578 | if (start_active_slot(slot)) { | |
1579 | run_active_slot(slot); | |
baa7b67d | 1580 | if (results.curl_result == CURLE_OK) { |
aa1dbc98 NH |
1581 | ctx.name = xcalloc(10, 1); |
1582 | ctx.len = 0; | |
1583 | ctx.cdata = NULL; | |
3030baa7 NH |
1584 | ctx.userFunc = handle_remote_ls_ctx; |
1585 | ctx.userData = &ls; | |
aa1dbc98 NH |
1586 | XML_SetUserData(parser, &ctx); |
1587 | XML_SetElementHandler(parser, xml_start_tag, | |
1588 | xml_end_tag); | |
1589 | XML_SetCharacterDataHandler(parser, xml_cdata); | |
1590 | result = XML_Parse(parser, in_buffer.buffer, | |
1591 | in_buffer.posn, 1); | |
1592 | free(ctx.name); | |
1593 | ||
1594 | if (result != XML_STATUS_OK) { | |
1595 | fprintf(stderr, "XML error: %s\n", | |
1596 | XML_ErrorString( | |
1597 | XML_GetErrorCode(parser))); | |
1598 | } | |
aa1dbc98 NH |
1599 | } |
1600 | } else { | |
3030baa7 | 1601 | fprintf(stderr, "Unable to start PROPFIND request\n"); |
aa1dbc98 NH |
1602 | } |
1603 | ||
3030baa7 | 1604 | free(ls.path); |
aa1dbc98 NH |
1605 | free(url); |
1606 | free(out_data); | |
1607 | free(in_buffer.buffer); | |
1608 | curl_slist_free_all(dav_headers); | |
1609 | } | |
1610 | ||
3030baa7 NH |
1611 | static void get_remote_object_list(unsigned char parent) |
1612 | { | |
1613 | char path[] = "objects/XX/"; | |
1614 | static const char hex[] = "0123456789abcdef"; | |
1615 | unsigned int val = parent; | |
1616 | ||
1617 | path[8] = hex[val >> 4]; | |
1618 | path[9] = hex[val & 0xf]; | |
1619 | remote_dir_exists[val] = 0; | |
1620 | remote_ls(path, (PROCESS_FILES | PROCESS_DIRS), | |
1621 | process_ls_object, &val); | |
1622 | } | |
1623 | ||
acf59575 | 1624 | static int locking_available(void) |
58e60dd2 NH |
1625 | { |
1626 | struct active_request_slot *slot; | |
baa7b67d | 1627 | struct slot_results results; |
58e60dd2 NH |
1628 | struct buffer in_buffer; |
1629 | struct buffer out_buffer; | |
1630 | char *in_data; | |
1631 | char *out_data; | |
1632 | XML_Parser parser = XML_ParserCreate(NULL); | |
1633 | enum XML_Status result; | |
58e60dd2 | 1634 | struct curl_slist *dav_headers = NULL; |
acf59575 NH |
1635 | struct xml_ctx ctx; |
1636 | int lock_flags = 0; | |
58e60dd2 | 1637 | |
aa1dbc98 NH |
1638 | out_buffer.size = |
1639 | strlen(PROPFIND_SUPPORTEDLOCK_REQUEST) + | |
1640 | strlen(remote->url) - 2; | |
58e60dd2 | 1641 | out_data = xmalloc(out_buffer.size + 1); |
aa1dbc98 NH |
1642 | snprintf(out_data, out_buffer.size + 1, |
1643 | PROPFIND_SUPPORTEDLOCK_REQUEST, remote->url); | |
58e60dd2 NH |
1644 | out_buffer.posn = 0; |
1645 | out_buffer.buffer = out_data; | |
1646 | ||
1647 | in_buffer.size = 4096; | |
1648 | in_data = xmalloc(in_buffer.size); | |
1649 | in_buffer.posn = 0; | |
1650 | in_buffer.buffer = in_data; | |
1651 | ||
1652 | dav_headers = curl_slist_append(dav_headers, "Depth: 0"); | |
1653 | dav_headers = curl_slist_append(dav_headers, "Content-Type: text/xml"); | |
baa7b67d | 1654 | |
58e60dd2 | 1655 | slot = get_active_slot(); |
baa7b67d | 1656 | slot->results = &results; |
58e60dd2 NH |
1657 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); |
1658 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1659 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1660 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &in_buffer); | |
29508e1e | 1661 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); |
58e60dd2 NH |
1662 | curl_easy_setopt(slot->curl, CURLOPT_URL, remote->url); |
1663 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1664 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PROPFIND); | |
1665 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1666 | ||
1667 | if (start_active_slot(slot)) { | |
1668 | run_active_slot(slot); | |
baa7b67d | 1669 | if (results.curl_result == CURLE_OK) { |
acf59575 NH |
1670 | ctx.name = xcalloc(10, 1); |
1671 | ctx.len = 0; | |
1672 | ctx.cdata = NULL; | |
1673 | ctx.userFunc = handle_lockprop_ctx; | |
1674 | ctx.userData = &lock_flags; | |
1675 | XML_SetUserData(parser, &ctx); | |
1676 | XML_SetElementHandler(parser, xml_start_tag, | |
1677 | xml_end_tag); | |
1678 | result = XML_Parse(parser, in_buffer.buffer, | |
1679 | in_buffer.posn, 1); | |
1680 | free(ctx.name); | |
1681 | ||
1682 | if (result != XML_STATUS_OK) { | |
1683 | fprintf(stderr, "XML error: %s\n", | |
1684 | XML_ErrorString( | |
1685 | XML_GetErrorCode(parser))); | |
1686 | lock_flags = 0; | |
1687 | } | |
58e60dd2 | 1688 | } |
58e60dd2 | 1689 | } else { |
1a703cba | 1690 | fprintf(stderr, "Unable to start PROPFIND request\n"); |
58e60dd2 NH |
1691 | } |
1692 | ||
acf59575 NH |
1693 | free(out_data); |
1694 | free(in_buffer.buffer); | |
1695 | curl_slist_free_all(dav_headers); | |
1696 | ||
1697 | return lock_flags; | |
58e60dd2 NH |
1698 | } |
1699 | ||
aa1dbc98 NH |
1700 | static struct object_list **process_blob(struct blob *blob, |
1701 | struct object_list **p, | |
1702 | struct name_path *path, | |
1703 | const char *name) | |
58e60dd2 | 1704 | { |
aa1dbc98 | 1705 | struct object *obj = &blob->object; |
58e60dd2 | 1706 | |
aa1dbc98 NH |
1707 | obj->flags |= LOCAL; |
1708 | ||
1709 | if (obj->flags & (UNINTERESTING | SEEN)) | |
1710 | return p; | |
1711 | ||
1712 | obj->flags |= SEEN; | |
2d9c58c6 | 1713 | name = strdup(name); |
aa1dbc98 NH |
1714 | return add_object(obj, p, path, name); |
1715 | } | |
1716 | ||
1717 | static struct object_list **process_tree(struct tree *tree, | |
1718 | struct object_list **p, | |
1719 | struct name_path *path, | |
1720 | const char *name) | |
1721 | { | |
1722 | struct object *obj = &tree->object; | |
2d9c58c6 | 1723 | struct tree_desc desc; |
4c068a98 | 1724 | struct name_entry entry; |
aa1dbc98 NH |
1725 | struct name_path me; |
1726 | ||
1727 | obj->flags |= LOCAL; | |
1728 | ||
1729 | if (obj->flags & (UNINTERESTING | SEEN)) | |
1730 | return p; | |
1731 | if (parse_tree(tree) < 0) | |
1732 | die("bad tree object %s", sha1_to_hex(obj->sha1)); | |
1733 | ||
1734 | obj->flags |= SEEN; | |
2d9c58c6 | 1735 | name = strdup(name); |
aa1dbc98 NH |
1736 | p = add_object(obj, p, NULL, name); |
1737 | me.up = path; | |
1738 | me.elem = name; | |
1739 | me.elem_len = strlen(name); | |
2d9c58c6 LT |
1740 | |
1741 | desc.buf = tree->buffer; | |
1742 | desc.size = tree->size; | |
1743 | ||
4c068a98 LT |
1744 | while (tree_entry(&desc, &entry)) { |
1745 | if (S_ISDIR(entry.mode)) | |
1746 | p = process_tree(lookup_tree(entry.sha1), p, &me, name); | |
aa1dbc98 | 1747 | else |
4c068a98 | 1748 | p = process_blob(lookup_blob(entry.sha1), p, &me, name); |
58e60dd2 | 1749 | } |
2d9c58c6 LT |
1750 | free(tree->buffer); |
1751 | tree->buffer = NULL; | |
aa1dbc98 | 1752 | return p; |
58e60dd2 NH |
1753 | } |
1754 | ||
1a703cba | 1755 | static int get_delta(struct rev_info *revs, struct remote_lock *lock) |
58e60dd2 NH |
1756 | { |
1757 | struct commit *commit; | |
aa1dbc98 | 1758 | struct object_list **p = &objects, *pending; |
1a703cba | 1759 | int count = 0; |
58e60dd2 | 1760 | |
aa1dbc98 NH |
1761 | while ((commit = get_revision(revs)) != NULL) { |
1762 | p = process_tree(commit->tree, p, NULL, ""); | |
1763 | commit->object.flags |= LOCAL; | |
1764 | if (!(commit->object.flags & UNINTERESTING)) | |
1a703cba | 1765 | count += add_send_request(&commit->object, lock); |
aa1dbc98 | 1766 | } |
58e60dd2 | 1767 | |
aa1dbc98 NH |
1768 | for (pending = revs->pending_objects; pending; pending = pending->next) { |
1769 | struct object *obj = pending->item; | |
1770 | const char *name = pending->name; | |
58e60dd2 | 1771 | |
aa1dbc98 NH |
1772 | if (obj->flags & (UNINTERESTING | SEEN)) |
1773 | continue; | |
1774 | if (obj->type == tag_type) { | |
1775 | obj->flags |= SEEN; | |
1776 | p = add_object(obj, p, NULL, name); | |
1777 | continue; | |
58e60dd2 | 1778 | } |
aa1dbc98 NH |
1779 | if (obj->type == tree_type) { |
1780 | p = process_tree((struct tree *)obj, p, NULL, name); | |
1781 | continue; | |
58e60dd2 | 1782 | } |
aa1dbc98 NH |
1783 | if (obj->type == blob_type) { |
1784 | p = process_blob((struct blob *)obj, p, NULL, name); | |
1785 | continue; | |
58e60dd2 | 1786 | } |
aa1dbc98 NH |
1787 | die("unknown pending object %s (%s)", sha1_to_hex(obj->sha1), name); |
1788 | } | |
1789 | ||
1790 | while (objects) { | |
1791 | if (!(objects->item->flags & UNINTERESTING)) | |
1a703cba | 1792 | count += add_send_request(objects->item, lock); |
aa1dbc98 | 1793 | objects = objects->next; |
58e60dd2 | 1794 | } |
1a703cba NH |
1795 | |
1796 | return count; | |
58e60dd2 NH |
1797 | } |
1798 | ||
aa1dbc98 | 1799 | static int update_remote(unsigned char *sha1, struct remote_lock *lock) |
58e60dd2 NH |
1800 | { |
1801 | struct active_request_slot *slot; | |
baa7b67d | 1802 | struct slot_results results; |
58e60dd2 NH |
1803 | char *out_data; |
1804 | char *if_header; | |
1805 | struct buffer out_buffer; | |
1806 | struct curl_slist *dav_headers = NULL; | |
1807 | int i; | |
1808 | ||
26349b2e NH |
1809 | if_header = xmalloc(strlen(lock->token) + 25); |
1810 | sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token); | |
58e60dd2 NH |
1811 | dav_headers = curl_slist_append(dav_headers, if_header); |
1812 | ||
1813 | out_buffer.size = 41; | |
1814 | out_data = xmalloc(out_buffer.size + 1); | |
1815 | i = snprintf(out_data, out_buffer.size + 1, "%s\n", sha1_to_hex(sha1)); | |
1816 | if (i != out_buffer.size) { | |
1817 | fprintf(stderr, "Unable to initialize PUT request body\n"); | |
1818 | return 0; | |
1819 | } | |
1820 | out_buffer.posn = 0; | |
1821 | out_buffer.buffer = out_data; | |
1822 | ||
1823 | slot = get_active_slot(); | |
baa7b67d | 1824 | slot->results = &results; |
58e60dd2 NH |
1825 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &out_buffer); |
1826 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, out_buffer.size); | |
1827 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
1828 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
1829 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT); | |
1830 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
1831 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
1832 | curl_easy_setopt(slot->curl, CURLOPT_PUT, 1); | |
75187c9d | 1833 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); |
58e60dd2 NH |
1834 | |
1835 | if (start_active_slot(slot)) { | |
1836 | run_active_slot(slot); | |
1837 | free(out_data); | |
1838 | free(if_header); | |
baa7b67d | 1839 | if (results.curl_result != CURLE_OK) { |
58e60dd2 NH |
1840 | fprintf(stderr, |
1841 | "PUT error: curl result=%d, HTTP code=%ld\n", | |
baa7b67d | 1842 | results.curl_result, results.http_code); |
58e60dd2 NH |
1843 | /* We should attempt recovery? */ |
1844 | return 0; | |
1845 | } | |
1846 | } else { | |
1847 | free(out_data); | |
1848 | free(if_header); | |
58e60dd2 NH |
1849 | fprintf(stderr, "Unable to start PUT request\n"); |
1850 | return 0; | |
1851 | } | |
1852 | ||
1853 | return 1; | |
1854 | } | |
1855 | ||
aa1dbc98 NH |
1856 | static struct ref *local_refs, **local_tail; |
1857 | static struct ref *remote_refs, **remote_tail; | |
1858 | ||
1859 | static int one_local_ref(const char *refname, const unsigned char *sha1) | |
1860 | { | |
1861 | struct ref *ref; | |
1862 | int len = strlen(refname) + 1; | |
1863 | ref = xcalloc(1, sizeof(*ref) + len); | |
1864 | memcpy(ref->new_sha1, sha1, 20); | |
1865 | memcpy(ref->name, refname, len); | |
1866 | *local_tail = ref; | |
1867 | local_tail = &ref->next; | |
1868 | return 0; | |
1869 | } | |
1870 | ||
1871 | static void one_remote_ref(char *refname) | |
1872 | { | |
1873 | struct ref *ref; | |
1874 | unsigned char remote_sha1[20]; | |
197e8951 | 1875 | struct object *obj; |
8c9e7947 | 1876 | int len = strlen(refname) + 1; |
aa1dbc98 NH |
1877 | |
1878 | if (fetch_ref(refname, remote_sha1) != 0) { | |
1879 | fprintf(stderr, | |
1880 | "Unable to fetch ref %s from %s\n", | |
1881 | refname, remote->url); | |
1882 | return; | |
1883 | } | |
1884 | ||
197e8951 NH |
1885 | /* |
1886 | * Fetch a copy of the object if it doesn't exist locally - it | |
1887 | * may be required for updating server info later. | |
1888 | */ | |
1889 | if (remote->can_update_info_refs && !has_sha1_file(remote_sha1)) { | |
1890 | obj = lookup_unknown_object(remote_sha1); | |
1891 | if (obj) { | |
1892 | fprintf(stderr, " fetch %s for %s\n", | |
1893 | sha1_to_hex(remote_sha1), refname); | |
1894 | add_fetch_request(obj); | |
1895 | } | |
1896 | } | |
1897 | ||
aa1dbc98 NH |
1898 | ref = xcalloc(1, sizeof(*ref) + len); |
1899 | memcpy(ref->old_sha1, remote_sha1, 20); | |
1900 | memcpy(ref->name, refname, len); | |
1901 | *remote_tail = ref; | |
1902 | remote_tail = &ref->next; | |
1903 | } | |
1904 | ||
1905 | static void get_local_heads(void) | |
1906 | { | |
1907 | local_tail = &local_refs; | |
1908 | for_each_ref(one_local_ref); | |
1909 | } | |
1910 | ||
1911 | static void get_dav_remote_heads(void) | |
1912 | { | |
1913 | remote_tail = &remote_refs; | |
3030baa7 | 1914 | remote_ls("refs/", (PROCESS_FILES | PROCESS_DIRS | RECURSIVE), process_ls_ref, NULL); |
aa1dbc98 NH |
1915 | } |
1916 | ||
1917 | static int is_zero_sha1(const unsigned char *sha1) | |
1918 | { | |
1919 | int i; | |
1920 | ||
1921 | for (i = 0; i < 20; i++) { | |
1922 | if (*sha1++) | |
1923 | return 0; | |
1924 | } | |
1925 | return 1; | |
1926 | } | |
1927 | ||
1928 | static void unmark_and_free(struct commit_list *list, unsigned int mark) | |
1929 | { | |
1930 | while (list) { | |
1931 | struct commit_list *temp = list; | |
1932 | temp->item->object.flags &= ~mark; | |
1933 | list = temp->next; | |
1934 | free(temp); | |
1935 | } | |
1936 | } | |
1937 | ||
1938 | static int ref_newer(const unsigned char *new_sha1, | |
1939 | const unsigned char *old_sha1) | |
1940 | { | |
1941 | struct object *o; | |
1942 | struct commit *old, *new; | |
1943 | struct commit_list *list, *used; | |
1944 | int found = 0; | |
1945 | ||
1946 | /* Both new and old must be commit-ish and new is descendant of | |
1947 | * old. Otherwise we require --force. | |
1948 | */ | |
1949 | o = deref_tag(parse_object(old_sha1), NULL, 0); | |
1950 | if (!o || o->type != commit_type) | |
1951 | return 0; | |
1952 | old = (struct commit *) o; | |
1953 | ||
1954 | o = deref_tag(parse_object(new_sha1), NULL, 0); | |
1955 | if (!o || o->type != commit_type) | |
1956 | return 0; | |
1957 | new = (struct commit *) o; | |
1958 | ||
1959 | if (parse_commit(new) < 0) | |
1960 | return 0; | |
1961 | ||
1962 | used = list = NULL; | |
1963 | commit_list_insert(new, &list); | |
1964 | while (list) { | |
1965 | new = pop_most_recent_commit(&list, TMP_MARK); | |
1966 | commit_list_insert(new, &used); | |
1967 | if (new == old) { | |
1968 | found = 1; | |
1969 | break; | |
1970 | } | |
1971 | } | |
1972 | unmark_and_free(list, TMP_MARK); | |
1973 | unmark_and_free(used, TMP_MARK); | |
1974 | return found; | |
1975 | } | |
1976 | ||
1977 | static void mark_edge_parents_uninteresting(struct commit *commit) | |
1978 | { | |
1979 | struct commit_list *parents; | |
1980 | ||
1981 | for (parents = commit->parents; parents; parents = parents->next) { | |
1982 | struct commit *parent = parents->item; | |
1983 | if (!(parent->object.flags & UNINTERESTING)) | |
1984 | continue; | |
1985 | mark_tree_uninteresting(parent->tree); | |
1986 | } | |
1987 | } | |
1988 | ||
1989 | static void mark_edges_uninteresting(struct commit_list *list) | |
1990 | { | |
1991 | for ( ; list; list = list->next) { | |
1992 | struct commit *commit = list->item; | |
1993 | ||
1994 | if (commit->object.flags & UNINTERESTING) { | |
1995 | mark_tree_uninteresting(commit->tree); | |
1996 | continue; | |
1997 | } | |
1998 | mark_edge_parents_uninteresting(commit); | |
1999 | } | |
2000 | } | |
2001 | ||
197e8951 NH |
2002 | static void add_remote_info_ref(struct remote_ls_ctx *ls) |
2003 | { | |
2004 | struct buffer *buf = (struct buffer *)ls->userData; | |
2005 | unsigned char remote_sha1[20]; | |
2006 | struct object *o; | |
2007 | int len; | |
2008 | char *ref_info; | |
2009 | ||
2010 | if (fetch_ref(ls->dentry_name, remote_sha1) != 0) { | |
2011 | fprintf(stderr, | |
2012 | "Unable to fetch ref %s from %s\n", | |
2013 | ls->dentry_name, remote->url); | |
2014 | aborted = 1; | |
2015 | return; | |
2016 | } | |
2017 | ||
2018 | o = parse_object(remote_sha1); | |
2019 | if (!o) { | |
2020 | fprintf(stderr, | |
2021 | "Unable to parse object %s for remote ref %s\n", | |
2022 | sha1_to_hex(remote_sha1), ls->dentry_name); | |
2023 | aborted = 1; | |
2024 | return; | |
2025 | } | |
2026 | ||
2027 | len = strlen(ls->dentry_name) + 42; | |
2028 | ref_info = xcalloc(len + 1, 1); | |
2029 | sprintf(ref_info, "%s %s\n", | |
2030 | sha1_to_hex(remote_sha1), ls->dentry_name); | |
2031 | fwrite_buffer(ref_info, 1, len, buf); | |
2032 | free(ref_info); | |
2033 | ||
2034 | if (o->type == tag_type) { | |
2035 | o = deref_tag(o, ls->dentry_name, 0); | |
2036 | if (o) { | |
2037 | len = strlen(ls->dentry_name) + 45; | |
2038 | ref_info = xcalloc(len + 1, 1); | |
2039 | sprintf(ref_info, "%s %s^{}\n", | |
2040 | sha1_to_hex(o->sha1), ls->dentry_name); | |
2041 | fwrite_buffer(ref_info, 1, len, buf); | |
2042 | free(ref_info); | |
2043 | } | |
2044 | } | |
2045 | } | |
2046 | ||
2047 | static void update_remote_info_refs(struct remote_lock *lock) | |
2048 | { | |
2049 | struct buffer buffer; | |
2050 | struct active_request_slot *slot; | |
2051 | struct slot_results results; | |
2052 | char *if_header; | |
2053 | struct curl_slist *dav_headers = NULL; | |
2054 | ||
90321c10 | 2055 | buffer.buffer = xcalloc(1, 4096); |
197e8951 NH |
2056 | buffer.size = 4096; |
2057 | buffer.posn = 0; | |
2058 | remote_ls("refs/", (PROCESS_FILES | RECURSIVE), | |
2059 | add_remote_info_ref, &buffer); | |
2060 | if (!aborted) { | |
2061 | if_header = xmalloc(strlen(lock->token) + 25); | |
2062 | sprintf(if_header, "If: (<opaquelocktoken:%s>)", lock->token); | |
2063 | dav_headers = curl_slist_append(dav_headers, if_header); | |
2064 | ||
2065 | slot = get_active_slot(); | |
2066 | slot->results = &results; | |
2067 | curl_easy_setopt(slot->curl, CURLOPT_INFILE, &buffer); | |
2068 | curl_easy_setopt(slot->curl, CURLOPT_INFILESIZE, buffer.posn); | |
2069 | curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, fread_buffer); | |
2070 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
2071 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_PUT); | |
2072 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, dav_headers); | |
2073 | curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 1); | |
2074 | curl_easy_setopt(slot->curl, CURLOPT_PUT, 1); | |
2075 | curl_easy_setopt(slot->curl, CURLOPT_URL, lock->url); | |
2076 | ||
2077 | buffer.posn = 0; | |
2078 | ||
2079 | if (start_active_slot(slot)) { | |
2080 | run_active_slot(slot); | |
2081 | if (results.curl_result != CURLE_OK) { | |
2082 | fprintf(stderr, | |
2083 | "PUT error: curl result=%d, HTTP code=%ld\n", | |
2084 | results.curl_result, results.http_code); | |
2085 | } | |
2086 | } | |
2087 | free(if_header); | |
2088 | } | |
2089 | free(buffer.buffer); | |
2090 | } | |
2091 | ||
2092 | static int remote_exists(const char *path) | |
2093 | { | |
2094 | char *url = xmalloc(strlen(remote->url) + strlen(path) + 1); | |
2095 | struct active_request_slot *slot; | |
2096 | struct slot_results results; | |
2097 | ||
2098 | sprintf(url, "%s%s", remote->url, path); | |
2099 | ||
2100 | slot = get_active_slot(); | |
2101 | slot->results = &results; | |
2102 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
2103 | curl_easy_setopt(slot->curl, CURLOPT_NOBODY, 1); | |
2104 | ||
2105 | if (start_active_slot(slot)) { | |
2106 | run_active_slot(slot); | |
2107 | if (results.http_code == 404) | |
2108 | return 0; | |
2109 | else if (results.curl_result == CURLE_OK) | |
2110 | return 1; | |
2111 | else | |
2112 | fprintf(stderr, "HEAD HTTP error %ld\n", results.http_code); | |
2113 | } else { | |
2114 | fprintf(stderr, "Unable to start HEAD request\n"); | |
2115 | } | |
2116 | ||
2117 | return -1; | |
2118 | } | |
2119 | ||
3dfaf7bc NH |
2120 | static void fetch_symref(char *path, char **symref, unsigned char *sha1) |
2121 | { | |
2122 | char *url; | |
2123 | struct buffer buffer; | |
2124 | struct active_request_slot *slot; | |
2125 | struct slot_results results; | |
2126 | ||
2127 | url = xmalloc(strlen(remote->url) + strlen(path) + 1); | |
2128 | sprintf(url, "%s%s", remote->url, path); | |
2129 | ||
2130 | buffer.size = 4096; | |
2131 | buffer.posn = 0; | |
2132 | buffer.buffer = xmalloc(buffer.size); | |
2133 | ||
2134 | slot = get_active_slot(); | |
2135 | slot->results = &results; | |
2136 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); | |
2137 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); | |
2138 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
2139 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
2140 | if (start_active_slot(slot)) { | |
2141 | run_active_slot(slot); | |
2142 | if (results.curl_result != CURLE_OK) { | |
2143 | die("Couldn't get %s for remote symref\n%s", | |
2144 | url, curl_errorstr); | |
2145 | } | |
2146 | } else { | |
2147 | die("Unable to start remote symref request"); | |
2148 | } | |
2149 | free(url); | |
2150 | ||
2151 | if (*symref != NULL) | |
2152 | free(*symref); | |
2153 | *symref = NULL; | |
2154 | memset(sha1, 0, 20); | |
2155 | ||
2156 | if (buffer.posn == 0) | |
2157 | return; | |
2158 | ||
2159 | /* If it's a symref, set the refname; otherwise try for a sha1 */ | |
2160 | if (!strncmp((char *)buffer.buffer, "ref: ", 5)) { | |
2161 | *symref = xcalloc(buffer.posn - 5, 1); | |
2162 | strncpy(*symref, (char *)buffer.buffer + 5, buffer.posn - 6); | |
2163 | } else { | |
2164 | get_sha1_hex(buffer.buffer, sha1); | |
2165 | } | |
2166 | ||
2167 | free(buffer.buffer); | |
2168 | } | |
2169 | ||
2170 | static int verify_merge_base(unsigned char *head_sha1, unsigned char *branch_sha1) | |
2171 | { | |
2172 | int pipe_fd[2]; | |
2173 | pid_t merge_base_pid; | |
2174 | char line[PATH_MAX + 20]; | |
2175 | unsigned char merge_sha1[20]; | |
2176 | int verified = 0; | |
2177 | ||
2178 | if (pipe(pipe_fd) < 0) | |
2179 | die("Verify merge base: pipe failed"); | |
2180 | ||
2181 | merge_base_pid = fork(); | |
2182 | if (!merge_base_pid) { | |
2183 | static const char *args[] = { | |
2184 | "merge-base", | |
2185 | "-a", | |
2186 | NULL, | |
2187 | NULL, | |
2188 | NULL | |
2189 | }; | |
2190 | args[2] = strdup(sha1_to_hex(head_sha1)); | |
2191 | args[3] = sha1_to_hex(branch_sha1); | |
2192 | ||
2193 | dup2(pipe_fd[1], 1); | |
2194 | close(pipe_fd[0]); | |
2195 | close(pipe_fd[1]); | |
2196 | execv_git_cmd(args); | |
2197 | die("merge-base setup failed"); | |
2198 | } | |
2199 | if (merge_base_pid < 0) | |
2200 | die("merge-base fork failed"); | |
2201 | ||
2202 | dup2(pipe_fd[0], 0); | |
2203 | close(pipe_fd[0]); | |
2204 | close(pipe_fd[1]); | |
2205 | while (fgets(line, sizeof(line), stdin) != NULL) { | |
2206 | if (get_sha1_hex(line, merge_sha1)) | |
2207 | die("expected sha1, got garbage:\n %s", line); | |
2208 | if (!memcmp(branch_sha1, merge_sha1, 20)) { | |
2209 | verified = 1; | |
2210 | break; | |
2211 | } | |
2212 | } | |
2213 | ||
2214 | return verified; | |
2215 | } | |
2216 | ||
2217 | static int delete_remote_branch(char *pattern, int force) | |
2218 | { | |
2219 | struct ref *refs = remote_refs; | |
2220 | struct ref *remote_ref = NULL; | |
2221 | unsigned char head_sha1[20]; | |
2222 | char *symref = NULL; | |
2223 | int match; | |
2224 | int patlen = strlen(pattern); | |
2225 | int i; | |
2226 | struct active_request_slot *slot; | |
2227 | struct slot_results results; | |
2228 | char *url; | |
2229 | ||
2230 | /* Find the remote branch(es) matching the specified branch name */ | |
2231 | for (match = 0; refs; refs = refs->next) { | |
2232 | char *name = refs->name; | |
2233 | int namelen = strlen(name); | |
2234 | if (namelen < patlen || | |
2235 | memcmp(name + namelen - patlen, pattern, patlen)) | |
2236 | continue; | |
2237 | if (namelen != patlen && name[namelen - patlen - 1] != '/') | |
2238 | continue; | |
2239 | match++; | |
2240 | remote_ref = refs; | |
2241 | } | |
2242 | if (match == 0) | |
2243 | return error("No remote branch matches %s", pattern); | |
2244 | if (match != 1) | |
2245 | return error("More than one remote branch matches %s", | |
2246 | pattern); | |
2247 | ||
2248 | /* | |
2249 | * Remote HEAD must be a symref (not exactly foolproof; a remote | |
2250 | * symlink to a symref will look like a symref) | |
2251 | */ | |
2252 | fetch_symref("HEAD", &symref, head_sha1); | |
2253 | if (!symref) | |
2254 | return error("Remote HEAD is not a symref"); | |
2255 | ||
2256 | /* Remote branch must not be the remote HEAD */ | |
2257 | for (i=0; symref && i<MAXDEPTH; i++) { | |
2258 | if (!strcmp(remote_ref->name, symref)) | |
2259 | return error("Remote branch %s is the current HEAD", | |
2260 | remote_ref->name); | |
2261 | fetch_symref(symref, &symref, head_sha1); | |
2262 | } | |
2263 | ||
2264 | /* Run extra sanity checks if delete is not forced */ | |
2265 | if (!force) { | |
2266 | /* Remote HEAD must resolve to a known object */ | |
2267 | if (symref) | |
2268 | return error("Remote HEAD symrefs too deep"); | |
2269 | if (is_zero_sha1(head_sha1)) | |
2270 | return error("Unable to resolve remote HEAD"); | |
2271 | if (!has_sha1_file(head_sha1)) | |
2272 | return error("Remote HEAD resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", sha1_to_hex(head_sha1)); | |
2273 | ||
2274 | /* Remote branch must resolve to a known object */ | |
2275 | if (is_zero_sha1(remote_ref->old_sha1)) | |
2276 | return error("Unable to resolve remote branch %s", | |
2277 | remote_ref->name); | |
2278 | if (!has_sha1_file(remote_ref->old_sha1)) | |
2279 | return error("Remote branch %s resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", remote_ref->name, sha1_to_hex(remote_ref->old_sha1)); | |
2280 | ||
2281 | /* Remote branch must be an ancestor of remote HEAD */ | |
2282 | if (!verify_merge_base(head_sha1, remote_ref->old_sha1)) { | |
2283 | return error("The branch '%s' is not a strict subset of your current HEAD.\nIf you are sure you want to delete it, run:\n\t'git http-push -D %s %s'", remote_ref->name, remote->url, pattern); | |
2284 | } | |
2285 | } | |
2286 | ||
2287 | /* Send delete request */ | |
2288 | fprintf(stderr, "Removing remote branch '%s'\n", remote_ref->name); | |
2289 | url = xmalloc(strlen(remote->url) + strlen(remote_ref->name) + 1); | |
2290 | sprintf(url, "%s%s", remote->url, remote_ref->name); | |
2291 | slot = get_active_slot(); | |
2292 | slot->results = &results; | |
2293 | curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); | |
2294 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_null); | |
2295 | curl_easy_setopt(slot->curl, CURLOPT_URL, url); | |
2296 | curl_easy_setopt(slot->curl, CURLOPT_CUSTOMREQUEST, DAV_DELETE); | |
2297 | if (start_active_slot(slot)) { | |
2298 | run_active_slot(slot); | |
2299 | free(url); | |
2300 | if (results.curl_result != CURLE_OK) | |
2301 | return error("DELETE request failed (%d/%ld)\n", | |
2302 | results.curl_result, results.http_code); | |
2303 | } else { | |
2304 | free(url); | |
2305 | return error("Unable to start DELETE request"); | |
2306 | } | |
2307 | ||
2308 | return 0; | |
2309 | } | |
2310 | ||
58e60dd2 NH |
2311 | int main(int argc, char **argv) |
2312 | { | |
58e60dd2 NH |
2313 | struct transfer_request *request; |
2314 | struct transfer_request *next_request; | |
2315 | int nr_refspec = 0; | |
2316 | char **refspec = NULL; | |
512d632c | 2317 | struct remote_lock *ref_lock = NULL; |
197e8951 | 2318 | struct remote_lock *info_ref_lock = NULL; |
aa1dbc98 | 2319 | struct rev_info revs; |
3dfaf7bc NH |
2320 | int delete_branch = 0; |
2321 | int force_delete = 0; | |
1a703cba | 2322 | int objects_to_send; |
58e60dd2 NH |
2323 | int rc = 0; |
2324 | int i; | |
8c9e7947 JH |
2325 | int new_refs; |
2326 | struct ref *ref; | |
58e60dd2 | 2327 | |
5a327713 | 2328 | setup_git_directory(); |
58e60dd2 NH |
2329 | setup_ident(); |
2330 | ||
512d632c | 2331 | remote = xcalloc(sizeof(*remote), 1); |
58e60dd2 NH |
2332 | |
2333 | argv++; | |
2334 | for (i = 1; i < argc; i++, argv++) { | |
2335 | char *arg = *argv; | |
2336 | ||
2337 | if (*arg == '-') { | |
aa1dbc98 | 2338 | if (!strcmp(arg, "--all")) { |
58e60dd2 NH |
2339 | push_all = 1; |
2340 | continue; | |
2341 | } | |
2342 | if (!strcmp(arg, "--force")) { | |
2343 | force_all = 1; | |
2344 | continue; | |
2345 | } | |
2346 | if (!strcmp(arg, "--verbose")) { | |
2347 | push_verbosely = 1; | |
2348 | continue; | |
2349 | } | |
3dfaf7bc NH |
2350 | if (!strcmp(arg, "-d")) { |
2351 | delete_branch = 1; | |
2352 | continue; | |
2353 | } | |
2354 | if (!strcmp(arg, "-D")) { | |
2355 | delete_branch = 1; | |
2356 | force_delete = 1; | |
2357 | continue; | |
2358 | } | |
58e60dd2 NH |
2359 | } |
2360 | if (!remote->url) { | |
aa1dbc98 | 2361 | char *path = strstr(arg, "//"); |
8c9e7947 | 2362 | remote->url = arg; |
aa1dbc98 | 2363 | if (path) { |
ef9e58c8 | 2364 | path = strchr(path+2, '/'); |
aa1dbc98 NH |
2365 | if (path) |
2366 | remote->path_len = strlen(path); | |
2367 | } | |
58e60dd2 NH |
2368 | continue; |
2369 | } | |
2370 | refspec = argv; | |
2371 | nr_refspec = argc - i; | |
2372 | break; | |
2373 | } | |
2374 | ||
3e9fabc8 NH |
2375 | if (!remote->url) |
2376 | usage(http_push_usage); | |
2377 | ||
3dfaf7bc NH |
2378 | if (delete_branch && nr_refspec != 1) |
2379 | die("You must specify only one branch name when deleting a remote branch"); | |
2380 | ||
aa1dbc98 | 2381 | memset(remote_dir_exists, -1, 256); |
0dd276b8 | 2382 | |
29508e1e | 2383 | http_init(); |
58e60dd2 NH |
2384 | |
2385 | no_pragma_header = curl_slist_append(no_pragma_header, "Pragma:"); | |
2386 | default_headers = curl_slist_append(default_headers, "Range:"); | |
2387 | default_headers = curl_slist_append(default_headers, "Destination:"); | |
2388 | default_headers = curl_slist_append(default_headers, "If:"); | |
2389 | default_headers = curl_slist_append(default_headers, | |
2390 | "Pragma: no-cache"); | |
2391 | ||
58e60dd2 | 2392 | /* Verify DAV compliance/lock support */ |
acf59575 | 2393 | if (!locking_available()) { |
58e60dd2 NH |
2394 | fprintf(stderr, "Error: no DAV locking support on remote repo %s\n", remote->url); |
2395 | rc = 1; | |
2396 | goto cleanup; | |
2397 | } | |
2398 | ||
197e8951 NH |
2399 | /* Check whether the remote has server info files */ |
2400 | remote->can_update_info_refs = 0; | |
2401 | remote->has_info_refs = remote_exists("info/refs"); | |
2402 | remote->has_info_packs = remote_exists("objects/info/packs"); | |
2403 | if (remote->has_info_refs) { | |
2404 | info_ref_lock = lock_remote("info/refs", LOCK_TIME); | |
2405 | if (info_ref_lock) | |
2406 | remote->can_update_info_refs = 1; | |
2407 | } | |
2408 | if (remote->has_info_packs) | |
2409 | fetch_indices(); | |
2410 | ||
aa1dbc98 NH |
2411 | /* Get a list of all local and remote heads to validate refspecs */ |
2412 | get_local_heads(); | |
2413 | fprintf(stderr, "Fetching remote heads...\n"); | |
2414 | get_dav_remote_heads(); | |
2415 | ||
3dfaf7bc NH |
2416 | /* Remove a remote branch if -d or -D was specified */ |
2417 | if (delete_branch) { | |
2418 | if (delete_remote_branch(refspec[0], force_delete) == -1) | |
2419 | fprintf(stderr, "Unable to delete remote branch %s\n", | |
2420 | refspec[0]); | |
2421 | goto cleanup; | |
2422 | } | |
2423 | ||
aa1dbc98 NH |
2424 | /* match them up */ |
2425 | if (!remote_tail) | |
2426 | remote_tail = &remote_refs; | |
2427 | if (match_refs(local_refs, remote_refs, &remote_tail, | |
2428 | nr_refspec, refspec, push_all)) | |
2429 | return -1; | |
2430 | if (!remote_refs) { | |
2431 | fprintf(stderr, "No refs in common and none specified; doing nothing.\n"); | |
2432 | return 0; | |
2433 | } | |
2434 | ||
8c9e7947 | 2435 | new_refs = 0; |
aa1dbc98 NH |
2436 | for (ref = remote_refs; ref; ref = ref->next) { |
2437 | char old_hex[60], *new_hex; | |
8c9e7947 JH |
2438 | const char *commit_argv[4]; |
2439 | int commit_argc; | |
2440 | char *new_sha1_hex, *old_sha1_hex; | |
2441 | ||
aa1dbc98 NH |
2442 | if (!ref->peer_ref) |
2443 | continue; | |
2444 | if (!memcmp(ref->old_sha1, ref->peer_ref->new_sha1, 20)) { | |
2445 | if (push_verbosely || 1) | |
2446 | fprintf(stderr, "'%s': up-to-date\n", ref->name); | |
2447 | continue; | |
2448 | } | |
2449 | ||
2450 | if (!force_all && | |
2451 | !is_zero_sha1(ref->old_sha1) && | |
2452 | !ref->force) { | |
2453 | if (!has_sha1_file(ref->old_sha1) || | |
2454 | !ref_newer(ref->peer_ref->new_sha1, | |
2455 | ref->old_sha1)) { | |
2456 | /* We do not have the remote ref, or | |
2457 | * we know that the remote ref is not | |
2458 | * an ancestor of what we are trying to | |
2459 | * push. Either way this can be losing | |
2460 | * commits at the remote end and likely | |
2461 | * we were not up to date to begin with. | |
2462 | */ | |
2463 | error("remote '%s' is not a strict " | |
2464 | "subset of local ref '%s'. " | |
2465 | "maybe you are not up-to-date and " | |
2466 | "need to pull first?", | |
2467 | ref->name, | |
2468 | ref->peer_ref->name); | |
1a703cba | 2469 | rc = -2; |
aa1dbc98 NH |
2470 | continue; |
2471 | } | |
58e60dd2 | 2472 | } |
aa1dbc98 NH |
2473 | memcpy(ref->new_sha1, ref->peer_ref->new_sha1, 20); |
2474 | if (is_zero_sha1(ref->new_sha1)) { | |
2475 | error("cannot happen anymore"); | |
1a703cba | 2476 | rc = -3; |
aa1dbc98 | 2477 | continue; |
58e60dd2 | 2478 | } |
aa1dbc98 NH |
2479 | new_refs++; |
2480 | strcpy(old_hex, sha1_to_hex(ref->old_sha1)); | |
2481 | new_hex = sha1_to_hex(ref->new_sha1); | |
2482 | ||
2483 | fprintf(stderr, "updating '%s'", ref->name); | |
2484 | if (strcmp(ref->name, ref->peer_ref->name)) | |
2485 | fprintf(stderr, " using '%s'", ref->peer_ref->name); | |
2486 | fprintf(stderr, "\n from %s\n to %s\n", old_hex, new_hex); | |
2487 | ||
58e60dd2 NH |
2488 | |
2489 | /* Lock remote branch ref */ | |
aa1dbc98 NH |
2490 | ref_lock = lock_remote(ref->name, LOCK_TIME); |
2491 | if (ref_lock == NULL) { | |
58e60dd2 | 2492 | fprintf(stderr, "Unable to lock remote branch %s\n", |
aa1dbc98 | 2493 | ref->name); |
58e60dd2 NH |
2494 | rc = 1; |
2495 | continue; | |
2496 | } | |
2497 | ||
aa1dbc98 | 2498 | /* Set up revision info for this refspec */ |
8c9e7947 JH |
2499 | commit_argc = 3; |
2500 | new_sha1_hex = strdup(sha1_to_hex(ref->new_sha1)); | |
2501 | old_sha1_hex = NULL; | |
5241bfe6 NH |
2502 | commit_argv[1] = "--objects"; |
2503 | commit_argv[2] = new_sha1_hex; | |
aa1dbc98 NH |
2504 | if (!push_all && !is_zero_sha1(ref->old_sha1)) { |
2505 | old_sha1_hex = xmalloc(42); | |
2506 | sprintf(old_sha1_hex, "^%s", | |
2507 | sha1_to_hex(ref->old_sha1)); | |
5241bfe6 | 2508 | commit_argv[3] = old_sha1_hex; |
aa1dbc98 | 2509 | commit_argc++; |
58e60dd2 | 2510 | } |
6b9c58f4 | 2511 | init_revisions(&revs); |
aa1dbc98 | 2512 | setup_revisions(commit_argc, commit_argv, &revs, NULL); |
aa1dbc98 NH |
2513 | free(new_sha1_hex); |
2514 | if (old_sha1_hex) { | |
2515 | free(old_sha1_hex); | |
2516 | commit_argv[1] = NULL; | |
58e60dd2 NH |
2517 | } |
2518 | ||
aa1dbc98 | 2519 | /* Generate a list of objects that need to be pushed */ |
58e60dd2 | 2520 | pushing = 0; |
aa1dbc98 NH |
2521 | prepare_revision_walk(&revs); |
2522 | mark_edges_uninteresting(revs.commits); | |
1a703cba | 2523 | objects_to_send = get_delta(&revs, ref_lock); |
29508e1e | 2524 | finish_all_active_slots(); |
58e60dd2 NH |
2525 | |
2526 | /* Push missing objects to remote, this would be a | |
2527 | convenient time to pack them first if appropriate. */ | |
2528 | pushing = 1; | |
1a703cba NH |
2529 | if (objects_to_send) |
2530 | fprintf(stderr, " sending %d objects\n", | |
2531 | objects_to_send); | |
b3ca4e4e | 2532 | #ifdef USE_CURL_MULTI |
29508e1e | 2533 | fill_active_slots(); |
b3ca4e4e | 2534 | #endif |
29508e1e | 2535 | finish_all_active_slots(); |
58e60dd2 NH |
2536 | |
2537 | /* Update the remote branch if all went well */ | |
aa1dbc98 NH |
2538 | if (aborted || !update_remote(ref->new_sha1, ref_lock)) { |
2539 | rc = 1; | |
2540 | goto unlock; | |
58e60dd2 NH |
2541 | } |
2542 | ||
2543 | unlock: | |
aa1dbc98 NH |
2544 | if (!rc) |
2545 | fprintf(stderr, " done\n"); | |
2546 | unlock_remote(ref_lock); | |
512d632c | 2547 | check_locks(); |
58e60dd2 NH |
2548 | } |
2549 | ||
197e8951 NH |
2550 | /* Update remote server info if appropriate */ |
2551 | if (remote->has_info_refs && new_refs) { | |
2552 | if (info_ref_lock && remote->can_update_info_refs) { | |
2553 | fprintf(stderr, "Updating remote server info\n"); | |
2554 | update_remote_info_refs(info_ref_lock); | |
2555 | } else { | |
2556 | fprintf(stderr, "Unable to update server info\n"); | |
2557 | } | |
2558 | } | |
2559 | if (info_ref_lock) | |
2560 | unlock_remote(info_ref_lock); | |
2561 | ||
58e60dd2 NH |
2562 | cleanup: |
2563 | free(remote); | |
2564 | ||
2565 | curl_slist_free_all(no_pragma_header); | |
2566 | curl_slist_free_all(default_headers); | |
2567 | ||
29508e1e | 2568 | http_cleanup(); |
58e60dd2 NH |
2569 | |
2570 | request = request_queue_head; | |
2571 | while (request != NULL) { | |
2572 | next_request = request->next; | |
2573 | release_request(request); | |
58e60dd2 NH |
2574 | request = next_request; |
2575 | } | |
2576 | ||
58e60dd2 NH |
2577 | return rc; |
2578 | } |