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Commit | Line | Data |
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9b288516 DB |
1 | #include "cache.h" |
2 | #include "transport.h" | |
3 | #include "run-command.h" | |
ccfc02a3 | 4 | #ifndef NO_CURL |
c29727d5 | 5 | #include "http.h" |
ccfc02a3 | 6 | #endif |
c29727d5 DB |
7 | #include "pkt-line.h" |
8 | #include "fetch-pack.h" | |
40cb4fab | 9 | #include "send-pack.h" |
c29727d5 | 10 | #include "walker.h" |
c7a8a162 | 11 | #include "bundle.h" |
cd547b48 JS |
12 | #include "dir.h" |
13 | #include "refs.h" | |
14 | ||
15 | /* rsync support */ | |
16 | ||
17 | /* | |
18 | * We copy packed-refs and refs/ into a temporary file, then read the | |
19 | * loose refs recursively (sorting whenever possible), and then inserting | |
20 | * those packed refs that are not yet in the list (not validating, but | |
21 | * assuming that the file is sorted). | |
22 | * | |
23 | * Appears refactoring this from refs.c is too cumbersome. | |
24 | */ | |
25 | ||
26 | static int str_cmp(const void *a, const void *b) | |
27 | { | |
28 | const char *s1 = a; | |
29 | const char *s2 = b; | |
30 | ||
31 | return strcmp(s1, s2); | |
32 | } | |
33 | ||
34 | /* path->buf + name_offset is expected to point to "refs/" */ | |
35 | ||
36 | static int read_loose_refs(struct strbuf *path, int name_offset, | |
37 | struct ref **tail) | |
38 | { | |
39 | DIR *dir = opendir(path->buf); | |
40 | struct dirent *de; | |
41 | struct { | |
42 | char **entries; | |
43 | int nr, alloc; | |
44 | } list; | |
45 | int i, pathlen; | |
46 | ||
47 | if (!dir) | |
48 | return -1; | |
49 | ||
50 | memset (&list, 0, sizeof(list)); | |
51 | ||
52 | while ((de = readdir(dir))) { | |
53 | if (de->d_name[0] == '.' && (de->d_name[1] == '\0' || | |
54 | (de->d_name[1] == '.' && | |
55 | de->d_name[2] == '\0'))) | |
56 | continue; | |
57 | ALLOC_GROW(list.entries, list.nr + 1, list.alloc); | |
58 | list.entries[list.nr++] = xstrdup(de->d_name); | |
59 | } | |
60 | closedir(dir); | |
61 | ||
62 | /* sort the list */ | |
63 | ||
64 | qsort(list.entries, list.nr, sizeof(char *), str_cmp); | |
65 | ||
66 | pathlen = path->len; | |
67 | strbuf_addch(path, '/'); | |
68 | ||
69 | for (i = 0; i < list.nr; i++, strbuf_setlen(path, pathlen + 1)) { | |
70 | strbuf_addstr(path, list.entries[i]); | |
71 | if (read_loose_refs(path, name_offset, tail)) { | |
72 | int fd = open(path->buf, O_RDONLY); | |
73 | char buffer[40]; | |
74 | struct ref *next; | |
75 | ||
76 | if (fd < 0) | |
77 | continue; | |
b0b44bc7 | 78 | next = alloc_ref_from_str(path->buf + name_offset); |
cd547b48 JS |
79 | if (read_in_full(fd, buffer, 40) != 40 || |
80 | get_sha1_hex(buffer, next->old_sha1)) { | |
81 | close(fd); | |
82 | free(next); | |
83 | continue; | |
84 | } | |
85 | close(fd); | |
cd547b48 JS |
86 | (*tail)->next = next; |
87 | *tail = next; | |
88 | } | |
89 | } | |
90 | strbuf_setlen(path, pathlen); | |
91 | ||
92 | for (i = 0; i < list.nr; i++) | |
93 | free(list.entries[i]); | |
94 | free(list.entries); | |
95 | ||
96 | return 0; | |
97 | } | |
98 | ||
99 | /* insert the packed refs for which no loose refs were found */ | |
100 | ||
101 | static void insert_packed_refs(const char *packed_refs, struct ref **list) | |
102 | { | |
103 | FILE *f = fopen(packed_refs, "r"); | |
104 | static char buffer[PATH_MAX]; | |
105 | ||
106 | if (!f) | |
107 | return; | |
108 | ||
109 | for (;;) { | |
47ec7943 | 110 | int cmp = cmp, len; |
cd547b48 JS |
111 | |
112 | if (!fgets(buffer, sizeof(buffer), f)) { | |
113 | fclose(f); | |
114 | return; | |
115 | } | |
116 | ||
117 | if (hexval(buffer[0]) > 0xf) | |
118 | continue; | |
119 | len = strlen(buffer); | |
872c930d | 120 | if (len && buffer[len - 1] == '\n') |
cd547b48 JS |
121 | buffer[--len] = '\0'; |
122 | if (len < 41) | |
123 | continue; | |
124 | while ((*list)->next && | |
125 | (cmp = strcmp(buffer + 41, | |
126 | (*list)->next->name)) > 0) | |
127 | list = &(*list)->next; | |
128 | if (!(*list)->next || cmp < 0) { | |
b0b44bc7 | 129 | struct ref *next = alloc_ref_from_str(buffer + 41); |
cd547b48 JS |
130 | buffer[40] = '\0'; |
131 | if (get_sha1_hex(buffer, next->old_sha1)) { | |
132 | warning ("invalid SHA-1: %s", buffer); | |
133 | free(next); | |
134 | continue; | |
135 | } | |
cd547b48 JS |
136 | next->next = (*list)->next; |
137 | (*list)->next = next; | |
138 | list = &(*list)->next; | |
139 | } | |
140 | } | |
141 | } | |
142 | ||
4577370e | 143 | static struct ref *get_refs_via_rsync(struct transport *transport) |
cd547b48 JS |
144 | { |
145 | struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT; | |
146 | struct ref dummy, *tail = &dummy; | |
147 | struct child_process rsync; | |
148 | const char *args[5]; | |
149 | int temp_dir_len; | |
150 | ||
151 | /* copy the refs to the temporary directory */ | |
152 | ||
153 | strbuf_addstr(&temp_dir, git_path("rsync-refs-XXXXXX")); | |
154 | if (!mkdtemp(temp_dir.buf)) | |
155 | die ("Could not make temporary directory"); | |
156 | temp_dir_len = temp_dir.len; | |
157 | ||
158 | strbuf_addstr(&buf, transport->url); | |
159 | strbuf_addstr(&buf, "/refs"); | |
160 | ||
161 | memset(&rsync, 0, sizeof(rsync)); | |
162 | rsync.argv = args; | |
163 | rsync.stdout_to_stderr = 1; | |
164 | args[0] = "rsync"; | |
2b5a06ed | 165 | args[1] = (transport->verbose > 0) ? "-rv" : "-r"; |
cd547b48 JS |
166 | args[2] = buf.buf; |
167 | args[3] = temp_dir.buf; | |
168 | args[4] = NULL; | |
169 | ||
170 | if (run_command(&rsync)) | |
171 | die ("Could not run rsync to get refs"); | |
172 | ||
173 | strbuf_reset(&buf); | |
174 | strbuf_addstr(&buf, transport->url); | |
175 | strbuf_addstr(&buf, "/packed-refs"); | |
176 | ||
177 | args[2] = buf.buf; | |
178 | ||
179 | if (run_command(&rsync)) | |
180 | die ("Could not run rsync to get refs"); | |
181 | ||
182 | /* read the copied refs */ | |
183 | ||
184 | strbuf_addstr(&temp_dir, "/refs"); | |
185 | read_loose_refs(&temp_dir, temp_dir_len + 1, &tail); | |
186 | strbuf_setlen(&temp_dir, temp_dir_len); | |
187 | ||
188 | tail = &dummy; | |
189 | strbuf_addstr(&temp_dir, "/packed-refs"); | |
190 | insert_packed_refs(temp_dir.buf, &tail); | |
191 | strbuf_setlen(&temp_dir, temp_dir_len); | |
192 | ||
193 | if (remove_dir_recursively(&temp_dir, 0)) | |
194 | warning ("Error removing temporary directory %s.", | |
195 | temp_dir.buf); | |
196 | ||
197 | strbuf_release(&buf); | |
198 | strbuf_release(&temp_dir); | |
199 | ||
200 | return dummy.next; | |
201 | } | |
202 | ||
203 | static int fetch_objs_via_rsync(struct transport *transport, | |
2d5c298f | 204 | int nr_objs, const struct ref **to_fetch) |
cd547b48 JS |
205 | { |
206 | struct strbuf buf = STRBUF_INIT; | |
207 | struct child_process rsync; | |
208 | const char *args[8]; | |
209 | int result; | |
210 | ||
211 | strbuf_addstr(&buf, transport->url); | |
212 | strbuf_addstr(&buf, "/objects/"); | |
213 | ||
214 | memset(&rsync, 0, sizeof(rsync)); | |
215 | rsync.argv = args; | |
216 | rsync.stdout_to_stderr = 1; | |
217 | args[0] = "rsync"; | |
2b5a06ed | 218 | args[1] = (transport->verbose > 0) ? "-rv" : "-r"; |
cd547b48 JS |
219 | args[2] = "--ignore-existing"; |
220 | args[3] = "--exclude"; | |
221 | args[4] = "info"; | |
222 | args[5] = buf.buf; | |
223 | args[6] = get_object_directory(); | |
224 | args[7] = NULL; | |
225 | ||
226 | /* NEEDSWORK: handle one level of alternates */ | |
227 | result = run_command(&rsync); | |
228 | ||
229 | strbuf_release(&buf); | |
230 | ||
231 | return result; | |
232 | } | |
233 | ||
234 | static int write_one_ref(const char *name, const unsigned char *sha1, | |
235 | int flags, void *data) | |
236 | { | |
237 | struct strbuf *buf = data; | |
238 | int len = buf->len; | |
239 | FILE *f; | |
240 | ||
241 | /* when called via for_each_ref(), flags is non-zero */ | |
242 | if (flags && prefixcmp(name, "refs/heads/") && | |
243 | prefixcmp(name, "refs/tags/")) | |
244 | return 0; | |
245 | ||
246 | strbuf_addstr(buf, name); | |
247 | if (safe_create_leading_directories(buf->buf) || | |
248 | !(f = fopen(buf->buf, "w")) || | |
249 | fprintf(f, "%s\n", sha1_to_hex(sha1)) < 0 || | |
250 | fclose(f)) | |
251 | return error("problems writing temporary file %s", buf->buf); | |
252 | strbuf_setlen(buf, len); | |
253 | return 0; | |
254 | } | |
255 | ||
256 | static int write_refs_to_temp_dir(struct strbuf *temp_dir, | |
257 | int refspec_nr, const char **refspec) | |
258 | { | |
259 | int i; | |
260 | ||
261 | for (i = 0; i < refspec_nr; i++) { | |
262 | unsigned char sha1[20]; | |
263 | char *ref; | |
264 | ||
265 | if (dwim_ref(refspec[i], strlen(refspec[i]), sha1, &ref) != 1) | |
266 | return error("Could not get ref %s", refspec[i]); | |
267 | ||
268 | if (write_one_ref(ref, sha1, 0, temp_dir)) { | |
269 | free(ref); | |
270 | return -1; | |
271 | } | |
272 | free(ref); | |
273 | } | |
274 | return 0; | |
275 | } | |
276 | ||
277 | static int rsync_transport_push(struct transport *transport, | |
278 | int refspec_nr, const char **refspec, int flags) | |
279 | { | |
280 | struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT; | |
281 | int result = 0, i; | |
282 | struct child_process rsync; | |
ee020f35 | 283 | const char *args[10]; |
cd547b48 | 284 | |
94c89ba6 AW |
285 | if (flags & TRANSPORT_PUSH_MIRROR) |
286 | return error("rsync transport does not support mirror mode"); | |
287 | ||
cd547b48 JS |
288 | /* first push the objects */ |
289 | ||
290 | strbuf_addstr(&buf, transport->url); | |
291 | strbuf_addch(&buf, '/'); | |
292 | ||
293 | memset(&rsync, 0, sizeof(rsync)); | |
294 | rsync.argv = args; | |
295 | rsync.stdout_to_stderr = 1; | |
ee020f35 SP |
296 | i = 0; |
297 | args[i++] = "rsync"; | |
298 | args[i++] = "-a"; | |
299 | if (flags & TRANSPORT_PUSH_DRY_RUN) | |
300 | args[i++] = "--dry-run"; | |
301 | if (transport->verbose > 0) | |
302 | args[i++] = "-v"; | |
303 | args[i++] = "--ignore-existing"; | |
304 | args[i++] = "--exclude"; | |
305 | args[i++] = "info"; | |
306 | args[i++] = get_object_directory(); | |
307 | args[i++] = buf.buf; | |
308 | args[i++] = NULL; | |
cd547b48 JS |
309 | |
310 | if (run_command(&rsync)) | |
311 | return error("Could not push objects to %s", transport->url); | |
312 | ||
313 | /* copy the refs to the temporary directory; they could be packed. */ | |
314 | ||
315 | strbuf_addstr(&temp_dir, git_path("rsync-refs-XXXXXX")); | |
316 | if (!mkdtemp(temp_dir.buf)) | |
317 | die ("Could not make temporary directory"); | |
318 | strbuf_addch(&temp_dir, '/'); | |
319 | ||
320 | if (flags & TRANSPORT_PUSH_ALL) { | |
321 | if (for_each_ref(write_one_ref, &temp_dir)) | |
322 | return -1; | |
323 | } else if (write_refs_to_temp_dir(&temp_dir, refspec_nr, refspec)) | |
324 | return -1; | |
325 | ||
ee020f35 SP |
326 | i = 2; |
327 | if (flags & TRANSPORT_PUSH_DRY_RUN) | |
328 | args[i++] = "--dry-run"; | |
329 | if (!(flags & TRANSPORT_PUSH_FORCE)) | |
330 | args[i++] = "--ignore-existing"; | |
cd547b48 JS |
331 | args[i++] = temp_dir.buf; |
332 | args[i++] = transport->url; | |
333 | args[i++] = NULL; | |
334 | if (run_command(&rsync)) | |
335 | result = error("Could not push to %s", transport->url); | |
336 | ||
337 | if (remove_dir_recursively(&temp_dir, 0)) | |
338 | warning ("Could not remove temporary directory %s.", | |
339 | temp_dir.buf); | |
340 | ||
341 | strbuf_release(&buf); | |
342 | strbuf_release(&temp_dir); | |
343 | ||
344 | return result; | |
345 | } | |
c29727d5 DB |
346 | |
347 | /* Generic functions for using commit walkers */ | |
348 | ||
b9c506f7 | 349 | #ifndef NO_CURL /* http fetch is the only user */ |
1788c39c | 350 | static int fetch_objs_via_walker(struct transport *transport, |
2d5c298f | 351 | int nr_objs, const struct ref **to_fetch) |
c29727d5 DB |
352 | { |
353 | char *dest = xstrdup(transport->url); | |
354 | struct walker *walker = transport->data; | |
425b1393 SP |
355 | char **objs = xmalloc(nr_objs * sizeof(*objs)); |
356 | int i; | |
c29727d5 DB |
357 | |
358 | walker->get_all = 1; | |
359 | walker->get_tree = 1; | |
360 | walker->get_history = 1; | |
2b5a06ed | 361 | walker->get_verbosely = transport->verbose >= 0; |
c29727d5 DB |
362 | walker->get_recover = 0; |
363 | ||
425b1393 SP |
364 | for (i = 0; i < nr_objs; i++) |
365 | objs[i] = xstrdup(sha1_to_hex(to_fetch[i]->old_sha1)); | |
366 | ||
b6abb48a | 367 | if (walker_fetch(walker, nr_objs, objs, NULL, NULL)) |
c29727d5 DB |
368 | die("Fetch failed."); |
369 | ||
425b1393 SP |
370 | for (i = 0; i < nr_objs; i++) |
371 | free(objs[i]); | |
372 | free(objs); | |
c29727d5 DB |
373 | free(dest); |
374 | return 0; | |
375 | } | |
b9c506f7 | 376 | #endif /* NO_CURL */ |
c29727d5 DB |
377 | |
378 | static int disconnect_walker(struct transport *transport) | |
379 | { | |
380 | struct walker *walker = transport->data; | |
381 | if (walker) | |
382 | walker_free(walker); | |
383 | return 0; | |
384 | } | |
9b288516 | 385 | |
ccfc02a3 | 386 | #ifndef NO_CURL |
f3fa1838 JH |
387 | static int curl_transport_push(struct transport *transport, int refspec_nr, const char **refspec, int flags) |
388 | { | |
9b288516 DB |
389 | const char **argv; |
390 | int argc; | |
391 | int err; | |
392 | ||
94c89ba6 AW |
393 | if (flags & TRANSPORT_PUSH_MIRROR) |
394 | return error("http transport does not support mirror mode"); | |
395 | ||
1b2486d7 | 396 | argv = xmalloc((refspec_nr + 12) * sizeof(char *)); |
9b288516 DB |
397 | argv[0] = "http-push"; |
398 | argc = 1; | |
399 | if (flags & TRANSPORT_PUSH_ALL) | |
400 | argv[argc++] = "--all"; | |
401 | if (flags & TRANSPORT_PUSH_FORCE) | |
402 | argv[argc++] = "--force"; | |
fe5d1d3e SP |
403 | if (flags & TRANSPORT_PUSH_DRY_RUN) |
404 | argv[argc++] = "--dry-run"; | |
1b2486d7 SP |
405 | if (flags & TRANSPORT_PUSH_VERBOSE) |
406 | argv[argc++] = "--verbose"; | |
9b288516 DB |
407 | argv[argc++] = transport->url; |
408 | while (refspec_nr--) | |
409 | argv[argc++] = *refspec++; | |
410 | argv[argc] = NULL; | |
411 | err = run_command_v_opt(argv, RUN_GIT_CMD); | |
412 | switch (err) { | |
413 | case -ERR_RUN_COMMAND_FORK: | |
414 | error("unable to fork for %s", argv[0]); | |
415 | case -ERR_RUN_COMMAND_EXEC: | |
416 | error("unable to exec %s", argv[0]); | |
417 | break; | |
418 | case -ERR_RUN_COMMAND_WAITPID: | |
419 | case -ERR_RUN_COMMAND_WAITPID_WRONG_PID: | |
420 | case -ERR_RUN_COMMAND_WAITPID_SIGNAL: | |
421 | case -ERR_RUN_COMMAND_WAITPID_NOEXIT: | |
422 | error("%s died with strange error", argv[0]); | |
423 | } | |
424 | return !!err; | |
425 | } | |
426 | ||
4577370e | 427 | static struct ref *get_refs_via_curl(struct transport *transport) |
c29727d5 | 428 | { |
028c2976 | 429 | struct strbuf buffer = STRBUF_INIT; |
c29727d5 DB |
430 | char *data, *start, *mid; |
431 | char *ref_name; | |
432 | char *refs_url; | |
433 | int i = 0; | |
434 | ||
435 | struct active_request_slot *slot; | |
436 | struct slot_results results; | |
437 | ||
438 | struct ref *refs = NULL; | |
439 | struct ref *ref = NULL; | |
440 | struct ref *last_ref = NULL; | |
441 | ||
be885d96 DB |
442 | struct walker *walker; |
443 | ||
9fd9279b | 444 | if (!transport->data) |
9fc6440d MH |
445 | transport->data = get_http_walker(transport->url, |
446 | transport->remote); | |
9fd9279b | 447 | |
be885d96 DB |
448 | walker = transport->data; |
449 | ||
c29727d5 DB |
450 | refs_url = xmalloc(strlen(transport->url) + 11); |
451 | sprintf(refs_url, "%s/info/refs", transport->url); | |
452 | ||
c29727d5 DB |
453 | slot = get_active_slot(); |
454 | slot->results = &results; | |
455 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); | |
456 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); | |
457 | curl_easy_setopt(slot->curl, CURLOPT_URL, refs_url); | |
458 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
14c98218 | 459 | |
c29727d5 DB |
460 | if (start_active_slot(slot)) { |
461 | run_active_slot(slot); | |
462 | if (results.curl_result != CURLE_OK) { | |
028c2976 | 463 | strbuf_release(&buffer); |
fd35e426 PB |
464 | if (missing_target(&results)) |
465 | die("%s not found: did you run git update-server-info on the server?", refs_url); | |
466 | else | |
467 | die("%s download error - %s", refs_url, curl_errorstr); | |
c29727d5 DB |
468 | } |
469 | } else { | |
028c2976 | 470 | strbuf_release(&buffer); |
fd35e426 | 471 | die("Unable to start HTTP request"); |
c29727d5 DB |
472 | } |
473 | ||
028c2976 | 474 | data = buffer.buf; |
c29727d5 DB |
475 | start = NULL; |
476 | mid = data; | |
028c2976 | 477 | while (i < buffer.len) { |
c29727d5 DB |
478 | if (!start) |
479 | start = &data[i]; | |
480 | if (data[i] == '\t') | |
481 | mid = &data[i]; | |
482 | if (data[i] == '\n') { | |
483 | data[i] = 0; | |
484 | ref_name = mid + 1; | |
485 | ref = xmalloc(sizeof(struct ref) + | |
486 | strlen(ref_name) + 1); | |
487 | memset(ref, 0, sizeof(struct ref)); | |
488 | strcpy(ref->name, ref_name); | |
489 | get_sha1_hex(start, ref->old_sha1); | |
490 | if (!refs) | |
491 | refs = ref; | |
492 | if (last_ref) | |
493 | last_ref->next = ref; | |
494 | last_ref = ref; | |
495 | start = NULL; | |
496 | } | |
497 | i++; | |
498 | } | |
499 | ||
028c2976 | 500 | strbuf_release(&buffer); |
c29727d5 | 501 | |
737922aa | 502 | ref = alloc_ref_from_str("HEAD"); |
be885d96 DB |
503 | if (!walker->fetch_ref(walker, ref) && |
504 | !resolve_remote_symref(ref, refs)) { | |
505 | ref->next = refs; | |
506 | refs = ref; | |
507 | } else { | |
508 | free(ref); | |
509 | } | |
510 | ||
c29727d5 DB |
511 | return refs; |
512 | } | |
513 | ||
e5f4e214 | 514 | static int fetch_objs_via_curl(struct transport *transport, |
2d5c298f | 515 | int nr_objs, const struct ref **to_fetch) |
e5f4e214 SP |
516 | { |
517 | if (!transport->data) | |
9fc6440d MH |
518 | transport->data = get_http_walker(transport->url, |
519 | transport->remote); | |
e5f4e214 SP |
520 | return fetch_objs_via_walker(transport, nr_objs, to_fetch); |
521 | } | |
522 | ||
c29727d5 DB |
523 | #endif |
524 | ||
c7a8a162 JS |
525 | struct bundle_transport_data { |
526 | int fd; | |
527 | struct bundle_header header; | |
528 | }; | |
529 | ||
4577370e | 530 | static struct ref *get_refs_from_bundle(struct transport *transport) |
c7a8a162 JS |
531 | { |
532 | struct bundle_transport_data *data = transport->data; | |
533 | struct ref *result = NULL; | |
534 | int i; | |
535 | ||
536 | if (data->fd > 0) | |
537 | close(data->fd); | |
538 | data->fd = read_bundle_header(transport->url, &data->header); | |
539 | if (data->fd < 0) | |
540 | die ("Could not read bundle '%s'.", transport->url); | |
541 | for (i = 0; i < data->header.references.nr; i++) { | |
542 | struct ref_list_entry *e = data->header.references.list + i; | |
737922aa | 543 | struct ref *ref = alloc_ref_from_str(e->name); |
c7a8a162 | 544 | hashcpy(ref->old_sha1, e->sha1); |
c7a8a162 JS |
545 | ref->next = result; |
546 | result = ref; | |
547 | } | |
548 | return result; | |
549 | } | |
550 | ||
1788c39c | 551 | static int fetch_refs_from_bundle(struct transport *transport, |
2d5c298f | 552 | int nr_heads, const struct ref **to_fetch) |
c7a8a162 JS |
553 | { |
554 | struct bundle_transport_data *data = transport->data; | |
555 | return unbundle(&data->header, data->fd); | |
556 | } | |
557 | ||
558 | static int close_bundle(struct transport *transport) | |
559 | { | |
560 | struct bundle_transport_data *data = transport->data; | |
561 | if (data->fd > 0) | |
562 | close(data->fd); | |
f4e95765 | 563 | free(data); |
c7a8a162 JS |
564 | return 0; |
565 | } | |
566 | ||
9b288516 DB |
567 | struct git_transport_data { |
568 | unsigned thin : 1; | |
c29727d5 | 569 | unsigned keep : 1; |
41fa7d2e | 570 | unsigned followtags : 1; |
c29727d5 | 571 | int depth; |
ba227857 DB |
572 | struct child_process *conn; |
573 | int fd[2]; | |
c29727d5 | 574 | const char *uploadpack; |
9b288516 DB |
575 | const char *receivepack; |
576 | }; | |
577 | ||
578 | static int set_git_option(struct transport *connection, | |
579 | const char *name, const char *value) | |
580 | { | |
581 | struct git_transport_data *data = connection->data; | |
c29727d5 DB |
582 | if (!strcmp(name, TRANS_OPT_UPLOADPACK)) { |
583 | data->uploadpack = value; | |
584 | return 0; | |
585 | } else if (!strcmp(name, TRANS_OPT_RECEIVEPACK)) { | |
9b288516 DB |
586 | data->receivepack = value; |
587 | return 0; | |
588 | } else if (!strcmp(name, TRANS_OPT_THIN)) { | |
589 | data->thin = !!value; | |
590 | return 0; | |
41fa7d2e SP |
591 | } else if (!strcmp(name, TRANS_OPT_FOLLOWTAGS)) { |
592 | data->followtags = !!value; | |
593 | return 0; | |
c29727d5 DB |
594 | } else if (!strcmp(name, TRANS_OPT_KEEP)) { |
595 | data->keep = !!value; | |
596 | return 0; | |
c29727d5 DB |
597 | } else if (!strcmp(name, TRANS_OPT_DEPTH)) { |
598 | if (!value) | |
599 | data->depth = 0; | |
600 | else | |
601 | data->depth = atoi(value); | |
602 | return 0; | |
9b288516 DB |
603 | } |
604 | return 1; | |
605 | } | |
606 | ||
ba227857 DB |
607 | static int connect_setup(struct transport *transport) |
608 | { | |
609 | struct git_transport_data *data = transport->data; | |
610 | data->conn = git_connect(data->fd, transport->url, data->uploadpack, 0); | |
611 | return 0; | |
612 | } | |
613 | ||
4577370e | 614 | static struct ref *get_refs_via_connect(struct transport *transport) |
c29727d5 DB |
615 | { |
616 | struct git_transport_data *data = transport->data; | |
617 | struct ref *refs; | |
c29727d5 | 618 | |
ba227857 | 619 | connect_setup(transport); |
40c155ff | 620 | get_remote_heads(data->fd[0], &refs, 0, NULL, 0, NULL); |
c29727d5 DB |
621 | |
622 | return refs; | |
623 | } | |
624 | ||
1788c39c | 625 | static int fetch_refs_via_pack(struct transport *transport, |
2d5c298f | 626 | int nr_heads, const struct ref **to_fetch) |
c29727d5 DB |
627 | { |
628 | struct git_transport_data *data = transport->data; | |
425b1393 | 629 | char **heads = xmalloc(nr_heads * sizeof(*heads)); |
e4cd6c7a | 630 | char **origh = xmalloc(nr_heads * sizeof(*origh)); |
ba227857 | 631 | const struct ref *refs; |
c29727d5 DB |
632 | char *dest = xstrdup(transport->url); |
633 | struct fetch_pack_args args; | |
425b1393 | 634 | int i; |
00183cbb | 635 | struct ref *refs_tmp = NULL; |
c29727d5 | 636 | |
fa740529 | 637 | memset(&args, 0, sizeof(args)); |
c29727d5 | 638 | args.uploadpack = data->uploadpack; |
c29727d5 | 639 | args.keep_pack = data->keep; |
fa740529 | 640 | args.lock_pack = 1; |
c29727d5 | 641 | args.use_thin_pack = data->thin; |
41fa7d2e | 642 | args.include_tag = data->followtags; |
9b373229 | 643 | args.verbose = (transport->verbose > 0); |
fe8aa148 TA |
644 | args.quiet = (transport->verbose < 0); |
645 | args.no_progress = args.quiet || !isatty(1); | |
c29727d5 | 646 | args.depth = data->depth; |
c29727d5 | 647 | |
425b1393 | 648 | for (i = 0; i < nr_heads; i++) |
e4cd6c7a | 649 | origh[i] = heads[i] = xstrdup(to_fetch[i]->name); |
ba227857 | 650 | |
ba227857 | 651 | if (!data->conn) { |
ba227857 | 652 | connect_setup(transport); |
40c155ff | 653 | get_remote_heads(data->fd[0], &refs_tmp, 0, NULL, 0, NULL); |
ba227857 DB |
654 | } |
655 | ||
00183cbb DB |
656 | refs = fetch_pack(&args, data->fd, data->conn, |
657 | refs_tmp ? refs_tmp : transport->remote_refs, | |
ba227857 DB |
658 | dest, nr_heads, heads, &transport->pack_lockfile); |
659 | close(data->fd[0]); | |
660 | close(data->fd[1]); | |
661 | if (finish_connect(data->conn)) | |
662 | refs = NULL; | |
663 | data->conn = NULL; | |
c29727d5 | 664 | |
00183cbb DB |
665 | free_refs(refs_tmp); |
666 | ||
425b1393 | 667 | for (i = 0; i < nr_heads; i++) |
e4cd6c7a SP |
668 | free(origh[i]); |
669 | free(origh); | |
670 | free(heads); | |
c29727d5 | 671 | free(dest); |
c6bc4005 | 672 | return (refs ? 0 : -1); |
c29727d5 DB |
673 | } |
674 | ||
f3fa1838 JH |
675 | static int git_transport_push(struct transport *transport, int refspec_nr, const char **refspec, int flags) |
676 | { | |
9b288516 | 677 | struct git_transport_data *data = transport->data; |
40cb4fab | 678 | struct send_pack_args args; |
9b288516 | 679 | |
40cb4fab DB |
680 | args.receivepack = data->receivepack; |
681 | args.send_all = !!(flags & TRANSPORT_PUSH_ALL); | |
94c89ba6 | 682 | args.send_mirror = !!(flags & TRANSPORT_PUSH_MIRROR); |
40cb4fab DB |
683 | args.force_update = !!(flags & TRANSPORT_PUSH_FORCE); |
684 | args.use_thin_pack = data->thin; | |
a108e538 | 685 | args.verbose = !!(flags & TRANSPORT_PUSH_VERBOSE); |
40cb4fab DB |
686 | args.dry_run = !!(flags & TRANSPORT_PUSH_DRY_RUN); |
687 | ||
688 | return send_pack(&args, transport->url, transport->remote, refspec_nr, refspec); | |
9b288516 DB |
689 | } |
690 | ||
f4e95765 SP |
691 | static int disconnect_git(struct transport *transport) |
692 | { | |
ba227857 DB |
693 | struct git_transport_data *data = transport->data; |
694 | if (data->conn) { | |
695 | packet_flush(data->fd[1]); | |
696 | close(data->fd[0]); | |
697 | close(data->fd[1]); | |
698 | finish_connect(data->conn); | |
699 | } | |
700 | ||
701 | free(data); | |
f4e95765 SP |
702 | return 0; |
703 | } | |
704 | ||
9b288516 DB |
705 | static int is_local(const char *url) |
706 | { | |
707 | const char *colon = strchr(url, ':'); | |
708 | const char *slash = strchr(url, '/'); | |
be501813 JS |
709 | return !colon || (slash && slash < colon) || |
710 | has_dos_drive_prefix(url); | |
9b288516 DB |
711 | } |
712 | ||
713 | static int is_file(const char *url) | |
714 | { | |
715 | struct stat buf; | |
716 | if (stat(url, &buf)) | |
717 | return 0; | |
718 | return S_ISREG(buf.st_mode); | |
719 | } | |
720 | ||
e5f4e214 | 721 | struct transport *transport_get(struct remote *remote, const char *url) |
9b288516 | 722 | { |
8eb554ae SP |
723 | struct transport *ret = xcalloc(1, sizeof(*ret)); |
724 | ||
725 | ret->remote = remote; | |
726 | ret->url = url; | |
8eb554ae | 727 | |
9b288516 | 728 | if (!prefixcmp(url, "rsync://")) { |
cd547b48 JS |
729 | ret->get_refs_list = get_refs_via_rsync; |
730 | ret->fetch = fetch_objs_via_rsync; | |
731 | ret->push = rsync_transport_push; | |
824d5776 | 732 | |
8eb554ae SP |
733 | } else if (!prefixcmp(url, "http://") |
734 | || !prefixcmp(url, "https://") | |
735 | || !prefixcmp(url, "ftp://")) { | |
ccfc02a3 JS |
736 | #ifdef NO_CURL |
737 | error("git was compiled without libcurl support."); | |
738 | #else | |
824d5776 SP |
739 | ret->get_refs_list = get_refs_via_curl; |
740 | ret->fetch = fetch_objs_via_curl; | |
741 | ret->push = curl_transport_push; | |
ccfc02a3 | 742 | #endif |
824d5776 SP |
743 | ret->disconnect = disconnect_walker; |
744 | ||
9b288516 | 745 | } else if (is_local(url) && is_file(url)) { |
c7a8a162 | 746 | struct bundle_transport_data *data = xcalloc(1, sizeof(*data)); |
c7a8a162 | 747 | ret->data = data; |
824d5776 SP |
748 | ret->get_refs_list = get_refs_from_bundle; |
749 | ret->fetch = fetch_refs_from_bundle; | |
750 | ret->disconnect = close_bundle; | |
751 | ||
9b288516 DB |
752 | } else { |
753 | struct git_transport_data *data = xcalloc(1, sizeof(*data)); | |
9b288516 | 754 | ret->data = data; |
824d5776 SP |
755 | ret->set_option = set_git_option; |
756 | ret->get_refs_list = get_refs_via_connect; | |
757 | ret->fetch = fetch_refs_via_pack; | |
758 | ret->push = git_transport_push; | |
f4e95765 | 759 | ret->disconnect = disconnect_git; |
824d5776 | 760 | |
9b288516 | 761 | data->thin = 1; |
ba227857 | 762 | data->conn = NULL; |
c29727d5 DB |
763 | data->uploadpack = "git-upload-pack"; |
764 | if (remote && remote->uploadpack) | |
765 | data->uploadpack = remote->uploadpack; | |
9b288516 DB |
766 | data->receivepack = "git-receive-pack"; |
767 | if (remote && remote->receivepack) | |
768 | data->receivepack = remote->receivepack; | |
9b288516 | 769 | } |
8eb554ae | 770 | |
9b288516 DB |
771 | return ret; |
772 | } | |
773 | ||
774 | int transport_set_option(struct transport *transport, | |
775 | const char *name, const char *value) | |
776 | { | |
824d5776 SP |
777 | if (transport->set_option) |
778 | return transport->set_option(transport, name, value); | |
ab865e6e | 779 | return 1; |
9b288516 DB |
780 | } |
781 | ||
782 | int transport_push(struct transport *transport, | |
783 | int refspec_nr, const char **refspec, int flags) | |
784 | { | |
824d5776 | 785 | if (!transport->push) |
9b288516 | 786 | return 1; |
824d5776 | 787 | return transport->push(transport, refspec_nr, refspec, flags); |
9b288516 DB |
788 | } |
789 | ||
4577370e | 790 | const struct ref *transport_get_remote_refs(struct transport *transport) |
c29727d5 DB |
791 | { |
792 | if (!transport->remote_refs) | |
824d5776 | 793 | transport->remote_refs = transport->get_refs_list(transport); |
c29727d5 DB |
794 | return transport->remote_refs; |
795 | } | |
796 | ||
2d5c298f | 797 | int transport_fetch_refs(struct transport *transport, const struct ref *refs) |
c29727d5 | 798 | { |
425b1393 | 799 | int rc; |
7a2bff45 | 800 | int nr_heads = 0, nr_alloc = 0; |
2d5c298f DB |
801 | const struct ref **heads = NULL; |
802 | const struct ref *rm; | |
c29727d5 DB |
803 | |
804 | for (rm = refs; rm; rm = rm->next) { | |
805 | if (rm->peer_ref && | |
806 | !hashcmp(rm->peer_ref->old_sha1, rm->old_sha1)) | |
807 | continue; | |
7a2bff45 | 808 | ALLOC_GROW(heads, nr_heads + 1, nr_alloc); |
425b1393 | 809 | heads[nr_heads++] = rm; |
c29727d5 DB |
810 | } |
811 | ||
824d5776 | 812 | rc = transport->fetch(transport, nr_heads, heads); |
c29727d5 | 813 | free(heads); |
425b1393 | 814 | return rc; |
c29727d5 DB |
815 | } |
816 | ||
1788c39c SP |
817 | void transport_unlock_pack(struct transport *transport) |
818 | { | |
819 | if (transport->pack_lockfile) { | |
820 | unlink(transport->pack_lockfile); | |
821 | free(transport->pack_lockfile); | |
822 | transport->pack_lockfile = NULL; | |
823 | } | |
824 | } | |
825 | ||
9b288516 DB |
826 | int transport_disconnect(struct transport *transport) |
827 | { | |
828 | int ret = 0; | |
824d5776 SP |
829 | if (transport->disconnect) |
830 | ret = transport->disconnect(transport); | |
9b288516 DB |
831 | free(transport); |
832 | return ret; | |
833 | } |