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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; | |
78 | next = alloc_ref(path->len - name_offset + 1); | |
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); | |
86 | strcpy(next->name, path->buf + name_offset); | |
87 | (*tail)->next = next; | |
88 | *tail = next; | |
89 | } | |
90 | } | |
91 | strbuf_setlen(path, pathlen); | |
92 | ||
93 | for (i = 0; i < list.nr; i++) | |
94 | free(list.entries[i]); | |
95 | free(list.entries); | |
96 | ||
97 | return 0; | |
98 | } | |
99 | ||
100 | /* insert the packed refs for which no loose refs were found */ | |
101 | ||
102 | static void insert_packed_refs(const char *packed_refs, struct ref **list) | |
103 | { | |
104 | FILE *f = fopen(packed_refs, "r"); | |
105 | static char buffer[PATH_MAX]; | |
106 | ||
107 | if (!f) | |
108 | return; | |
109 | ||
110 | for (;;) { | |
47ec7943 | 111 | int cmp = cmp, len; |
cd547b48 JS |
112 | |
113 | if (!fgets(buffer, sizeof(buffer), f)) { | |
114 | fclose(f); | |
115 | return; | |
116 | } | |
117 | ||
118 | if (hexval(buffer[0]) > 0xf) | |
119 | continue; | |
120 | len = strlen(buffer); | |
872c930d | 121 | if (len && buffer[len - 1] == '\n') |
cd547b48 JS |
122 | buffer[--len] = '\0'; |
123 | if (len < 41) | |
124 | continue; | |
125 | while ((*list)->next && | |
126 | (cmp = strcmp(buffer + 41, | |
127 | (*list)->next->name)) > 0) | |
128 | list = &(*list)->next; | |
129 | if (!(*list)->next || cmp < 0) { | |
130 | struct ref *next = alloc_ref(len - 40); | |
131 | buffer[40] = '\0'; | |
132 | if (get_sha1_hex(buffer, next->old_sha1)) { | |
133 | warning ("invalid SHA-1: %s", buffer); | |
134 | free(next); | |
135 | continue; | |
136 | } | |
137 | strcpy(next->name, buffer + 41); | |
138 | next->next = (*list)->next; | |
139 | (*list)->next = next; | |
140 | list = &(*list)->next; | |
141 | } | |
142 | } | |
143 | } | |
144 | ||
4577370e | 145 | static struct ref *get_refs_via_rsync(struct transport *transport) |
cd547b48 JS |
146 | { |
147 | struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT; | |
148 | struct ref dummy, *tail = &dummy; | |
149 | struct child_process rsync; | |
150 | const char *args[5]; | |
151 | int temp_dir_len; | |
152 | ||
153 | /* copy the refs to the temporary directory */ | |
154 | ||
155 | strbuf_addstr(&temp_dir, git_path("rsync-refs-XXXXXX")); | |
156 | if (!mkdtemp(temp_dir.buf)) | |
157 | die ("Could not make temporary directory"); | |
158 | temp_dir_len = temp_dir.len; | |
159 | ||
160 | strbuf_addstr(&buf, transport->url); | |
161 | strbuf_addstr(&buf, "/refs"); | |
162 | ||
163 | memset(&rsync, 0, sizeof(rsync)); | |
164 | rsync.argv = args; | |
165 | rsync.stdout_to_stderr = 1; | |
166 | args[0] = "rsync"; | |
2b5a06ed | 167 | args[1] = (transport->verbose > 0) ? "-rv" : "-r"; |
cd547b48 JS |
168 | args[2] = buf.buf; |
169 | args[3] = temp_dir.buf; | |
170 | args[4] = NULL; | |
171 | ||
172 | if (run_command(&rsync)) | |
173 | die ("Could not run rsync to get refs"); | |
174 | ||
175 | strbuf_reset(&buf); | |
176 | strbuf_addstr(&buf, transport->url); | |
177 | strbuf_addstr(&buf, "/packed-refs"); | |
178 | ||
179 | args[2] = buf.buf; | |
180 | ||
181 | if (run_command(&rsync)) | |
182 | die ("Could not run rsync to get refs"); | |
183 | ||
184 | /* read the copied refs */ | |
185 | ||
186 | strbuf_addstr(&temp_dir, "/refs"); | |
187 | read_loose_refs(&temp_dir, temp_dir_len + 1, &tail); | |
188 | strbuf_setlen(&temp_dir, temp_dir_len); | |
189 | ||
190 | tail = &dummy; | |
191 | strbuf_addstr(&temp_dir, "/packed-refs"); | |
192 | insert_packed_refs(temp_dir.buf, &tail); | |
193 | strbuf_setlen(&temp_dir, temp_dir_len); | |
194 | ||
195 | if (remove_dir_recursively(&temp_dir, 0)) | |
196 | warning ("Error removing temporary directory %s.", | |
197 | temp_dir.buf); | |
198 | ||
199 | strbuf_release(&buf); | |
200 | strbuf_release(&temp_dir); | |
201 | ||
202 | return dummy.next; | |
203 | } | |
204 | ||
205 | static int fetch_objs_via_rsync(struct transport *transport, | |
206 | int nr_objs, struct ref **to_fetch) | |
207 | { | |
208 | struct strbuf buf = STRBUF_INIT; | |
209 | struct child_process rsync; | |
210 | const char *args[8]; | |
211 | int result; | |
212 | ||
213 | strbuf_addstr(&buf, transport->url); | |
214 | strbuf_addstr(&buf, "/objects/"); | |
215 | ||
216 | memset(&rsync, 0, sizeof(rsync)); | |
217 | rsync.argv = args; | |
218 | rsync.stdout_to_stderr = 1; | |
219 | args[0] = "rsync"; | |
2b5a06ed | 220 | args[1] = (transport->verbose > 0) ? "-rv" : "-r"; |
cd547b48 JS |
221 | args[2] = "--ignore-existing"; |
222 | args[3] = "--exclude"; | |
223 | args[4] = "info"; | |
224 | args[5] = buf.buf; | |
225 | args[6] = get_object_directory(); | |
226 | args[7] = NULL; | |
227 | ||
228 | /* NEEDSWORK: handle one level of alternates */ | |
229 | result = run_command(&rsync); | |
230 | ||
231 | strbuf_release(&buf); | |
232 | ||
233 | return result; | |
234 | } | |
235 | ||
236 | static int write_one_ref(const char *name, const unsigned char *sha1, | |
237 | int flags, void *data) | |
238 | { | |
239 | struct strbuf *buf = data; | |
240 | int len = buf->len; | |
241 | FILE *f; | |
242 | ||
243 | /* when called via for_each_ref(), flags is non-zero */ | |
244 | if (flags && prefixcmp(name, "refs/heads/") && | |
245 | prefixcmp(name, "refs/tags/")) | |
246 | return 0; | |
247 | ||
248 | strbuf_addstr(buf, name); | |
249 | if (safe_create_leading_directories(buf->buf) || | |
250 | !(f = fopen(buf->buf, "w")) || | |
251 | fprintf(f, "%s\n", sha1_to_hex(sha1)) < 0 || | |
252 | fclose(f)) | |
253 | return error("problems writing temporary file %s", buf->buf); | |
254 | strbuf_setlen(buf, len); | |
255 | return 0; | |
256 | } | |
257 | ||
258 | static int write_refs_to_temp_dir(struct strbuf *temp_dir, | |
259 | int refspec_nr, const char **refspec) | |
260 | { | |
261 | int i; | |
262 | ||
263 | for (i = 0; i < refspec_nr; i++) { | |
264 | unsigned char sha1[20]; | |
265 | char *ref; | |
266 | ||
267 | if (dwim_ref(refspec[i], strlen(refspec[i]), sha1, &ref) != 1) | |
268 | return error("Could not get ref %s", refspec[i]); | |
269 | ||
270 | if (write_one_ref(ref, sha1, 0, temp_dir)) { | |
271 | free(ref); | |
272 | return -1; | |
273 | } | |
274 | free(ref); | |
275 | } | |
276 | return 0; | |
277 | } | |
278 | ||
279 | static int rsync_transport_push(struct transport *transport, | |
280 | int refspec_nr, const char **refspec, int flags) | |
281 | { | |
282 | struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT; | |
283 | int result = 0, i; | |
284 | struct child_process rsync; | |
ee020f35 | 285 | const char *args[10]; |
cd547b48 | 286 | |
94c89ba6 AW |
287 | if (flags & TRANSPORT_PUSH_MIRROR) |
288 | return error("rsync transport does not support mirror mode"); | |
289 | ||
cd547b48 JS |
290 | /* first push the objects */ |
291 | ||
292 | strbuf_addstr(&buf, transport->url); | |
293 | strbuf_addch(&buf, '/'); | |
294 | ||
295 | memset(&rsync, 0, sizeof(rsync)); | |
296 | rsync.argv = args; | |
297 | rsync.stdout_to_stderr = 1; | |
ee020f35 SP |
298 | i = 0; |
299 | args[i++] = "rsync"; | |
300 | args[i++] = "-a"; | |
301 | if (flags & TRANSPORT_PUSH_DRY_RUN) | |
302 | args[i++] = "--dry-run"; | |
303 | if (transport->verbose > 0) | |
304 | args[i++] = "-v"; | |
305 | args[i++] = "--ignore-existing"; | |
306 | args[i++] = "--exclude"; | |
307 | args[i++] = "info"; | |
308 | args[i++] = get_object_directory(); | |
309 | args[i++] = buf.buf; | |
310 | args[i++] = NULL; | |
cd547b48 JS |
311 | |
312 | if (run_command(&rsync)) | |
313 | return error("Could not push objects to %s", transport->url); | |
314 | ||
315 | /* copy the refs to the temporary directory; they could be packed. */ | |
316 | ||
317 | strbuf_addstr(&temp_dir, git_path("rsync-refs-XXXXXX")); | |
318 | if (!mkdtemp(temp_dir.buf)) | |
319 | die ("Could not make temporary directory"); | |
320 | strbuf_addch(&temp_dir, '/'); | |
321 | ||
322 | if (flags & TRANSPORT_PUSH_ALL) { | |
323 | if (for_each_ref(write_one_ref, &temp_dir)) | |
324 | return -1; | |
325 | } else if (write_refs_to_temp_dir(&temp_dir, refspec_nr, refspec)) | |
326 | return -1; | |
327 | ||
ee020f35 SP |
328 | i = 2; |
329 | if (flags & TRANSPORT_PUSH_DRY_RUN) | |
330 | args[i++] = "--dry-run"; | |
331 | if (!(flags & TRANSPORT_PUSH_FORCE)) | |
332 | args[i++] = "--ignore-existing"; | |
cd547b48 JS |
333 | args[i++] = temp_dir.buf; |
334 | args[i++] = transport->url; | |
335 | args[i++] = NULL; | |
336 | if (run_command(&rsync)) | |
337 | result = error("Could not push to %s", transport->url); | |
338 | ||
339 | if (remove_dir_recursively(&temp_dir, 0)) | |
340 | warning ("Could not remove temporary directory %s.", | |
341 | temp_dir.buf); | |
342 | ||
343 | strbuf_release(&buf); | |
344 | strbuf_release(&temp_dir); | |
345 | ||
346 | return result; | |
347 | } | |
c29727d5 DB |
348 | |
349 | /* Generic functions for using commit walkers */ | |
350 | ||
b9c506f7 | 351 | #ifndef NO_CURL /* http fetch is the only user */ |
1788c39c | 352 | static int fetch_objs_via_walker(struct transport *transport, |
425b1393 | 353 | int nr_objs, struct ref **to_fetch) |
c29727d5 DB |
354 | { |
355 | char *dest = xstrdup(transport->url); | |
356 | struct walker *walker = transport->data; | |
425b1393 SP |
357 | char **objs = xmalloc(nr_objs * sizeof(*objs)); |
358 | int i; | |
c29727d5 DB |
359 | |
360 | walker->get_all = 1; | |
361 | walker->get_tree = 1; | |
362 | walker->get_history = 1; | |
2b5a06ed | 363 | walker->get_verbosely = transport->verbose >= 0; |
c29727d5 DB |
364 | walker->get_recover = 0; |
365 | ||
425b1393 SP |
366 | for (i = 0; i < nr_objs; i++) |
367 | objs[i] = xstrdup(sha1_to_hex(to_fetch[i]->old_sha1)); | |
368 | ||
b6abb48a | 369 | if (walker_fetch(walker, nr_objs, objs, NULL, NULL)) |
c29727d5 DB |
370 | die("Fetch failed."); |
371 | ||
425b1393 SP |
372 | for (i = 0; i < nr_objs; i++) |
373 | free(objs[i]); | |
374 | free(objs); | |
c29727d5 DB |
375 | free(dest); |
376 | return 0; | |
377 | } | |
b9c506f7 | 378 | #endif /* NO_CURL */ |
c29727d5 DB |
379 | |
380 | static int disconnect_walker(struct transport *transport) | |
381 | { | |
382 | struct walker *walker = transport->data; | |
383 | if (walker) | |
384 | walker_free(walker); | |
385 | return 0; | |
386 | } | |
9b288516 | 387 | |
ccfc02a3 | 388 | #ifndef NO_CURL |
f3fa1838 JH |
389 | static int curl_transport_push(struct transport *transport, int refspec_nr, const char **refspec, int flags) |
390 | { | |
9b288516 DB |
391 | const char **argv; |
392 | int argc; | |
393 | int err; | |
394 | ||
94c89ba6 AW |
395 | if (flags & TRANSPORT_PUSH_MIRROR) |
396 | return error("http transport does not support mirror mode"); | |
397 | ||
1b2486d7 | 398 | argv = xmalloc((refspec_nr + 12) * sizeof(char *)); |
9b288516 DB |
399 | argv[0] = "http-push"; |
400 | argc = 1; | |
401 | if (flags & TRANSPORT_PUSH_ALL) | |
402 | argv[argc++] = "--all"; | |
403 | if (flags & TRANSPORT_PUSH_FORCE) | |
404 | argv[argc++] = "--force"; | |
fe5d1d3e SP |
405 | if (flags & TRANSPORT_PUSH_DRY_RUN) |
406 | argv[argc++] = "--dry-run"; | |
1b2486d7 SP |
407 | if (flags & TRANSPORT_PUSH_VERBOSE) |
408 | argv[argc++] = "--verbose"; | |
9b288516 DB |
409 | argv[argc++] = transport->url; |
410 | while (refspec_nr--) | |
411 | argv[argc++] = *refspec++; | |
412 | argv[argc] = NULL; | |
413 | err = run_command_v_opt(argv, RUN_GIT_CMD); | |
414 | switch (err) { | |
415 | case -ERR_RUN_COMMAND_FORK: | |
416 | error("unable to fork for %s", argv[0]); | |
417 | case -ERR_RUN_COMMAND_EXEC: | |
418 | error("unable to exec %s", argv[0]); | |
419 | break; | |
420 | case -ERR_RUN_COMMAND_WAITPID: | |
421 | case -ERR_RUN_COMMAND_WAITPID_WRONG_PID: | |
422 | case -ERR_RUN_COMMAND_WAITPID_SIGNAL: | |
423 | case -ERR_RUN_COMMAND_WAITPID_NOEXIT: | |
424 | error("%s died with strange error", argv[0]); | |
425 | } | |
426 | return !!err; | |
427 | } | |
428 | ||
4577370e | 429 | static struct ref *get_refs_via_curl(struct transport *transport) |
c29727d5 | 430 | { |
028c2976 | 431 | struct strbuf buffer = STRBUF_INIT; |
c29727d5 DB |
432 | char *data, *start, *mid; |
433 | char *ref_name; | |
434 | char *refs_url; | |
435 | int i = 0; | |
436 | ||
437 | struct active_request_slot *slot; | |
438 | struct slot_results results; | |
439 | ||
440 | struct ref *refs = NULL; | |
441 | struct ref *ref = NULL; | |
442 | struct ref *last_ref = NULL; | |
443 | ||
9fd9279b | 444 | if (!transport->data) |
9fc6440d MH |
445 | transport->data = get_http_walker(transport->url, |
446 | transport->remote); | |
9fd9279b | 447 | |
c29727d5 DB |
448 | refs_url = xmalloc(strlen(transport->url) + 11); |
449 | sprintf(refs_url, "%s/info/refs", transport->url); | |
450 | ||
c29727d5 DB |
451 | slot = get_active_slot(); |
452 | slot->results = &results; | |
453 | curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer); | |
454 | curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite_buffer); | |
455 | curl_easy_setopt(slot->curl, CURLOPT_URL, refs_url); | |
456 | curl_easy_setopt(slot->curl, CURLOPT_HTTPHEADER, NULL); | |
14c98218 | 457 | |
c29727d5 DB |
458 | if (start_active_slot(slot)) { |
459 | run_active_slot(slot); | |
460 | if (results.curl_result != CURLE_OK) { | |
028c2976 | 461 | strbuf_release(&buffer); |
c29727d5 | 462 | if (missing_target(&results)) { |
c29727d5 DB |
463 | return NULL; |
464 | } else { | |
c29727d5 DB |
465 | error("%s", curl_errorstr); |
466 | return NULL; | |
467 | } | |
468 | } | |
469 | } else { | |
028c2976 | 470 | strbuf_release(&buffer); |
c29727d5 DB |
471 | error("Unable to start request"); |
472 | return NULL; | |
473 | } | |
474 | ||
028c2976 | 475 | data = buffer.buf; |
c29727d5 DB |
476 | start = NULL; |
477 | mid = data; | |
028c2976 | 478 | while (i < buffer.len) { |
c29727d5 DB |
479 | if (!start) |
480 | start = &data[i]; | |
481 | if (data[i] == '\t') | |
482 | mid = &data[i]; | |
483 | if (data[i] == '\n') { | |
484 | data[i] = 0; | |
485 | ref_name = mid + 1; | |
486 | ref = xmalloc(sizeof(struct ref) + | |
487 | strlen(ref_name) + 1); | |
488 | memset(ref, 0, sizeof(struct ref)); | |
489 | strcpy(ref->name, ref_name); | |
490 | get_sha1_hex(start, ref->old_sha1); | |
491 | if (!refs) | |
492 | refs = ref; | |
493 | if (last_ref) | |
494 | last_ref->next = ref; | |
495 | last_ref = ref; | |
496 | start = NULL; | |
497 | } | |
498 | i++; | |
499 | } | |
500 | ||
028c2976 | 501 | strbuf_release(&buffer); |
c29727d5 DB |
502 | |
503 | return refs; | |
504 | } | |
505 | ||
e5f4e214 SP |
506 | static int fetch_objs_via_curl(struct transport *transport, |
507 | int nr_objs, struct ref **to_fetch) | |
508 | { | |
509 | if (!transport->data) | |
9fc6440d MH |
510 | transport->data = get_http_walker(transport->url, |
511 | transport->remote); | |
e5f4e214 SP |
512 | return fetch_objs_via_walker(transport, nr_objs, to_fetch); |
513 | } | |
514 | ||
c29727d5 DB |
515 | #endif |
516 | ||
c7a8a162 JS |
517 | struct bundle_transport_data { |
518 | int fd; | |
519 | struct bundle_header header; | |
520 | }; | |
521 | ||
4577370e | 522 | static struct ref *get_refs_from_bundle(struct transport *transport) |
c7a8a162 JS |
523 | { |
524 | struct bundle_transport_data *data = transport->data; | |
525 | struct ref *result = NULL; | |
526 | int i; | |
527 | ||
528 | if (data->fd > 0) | |
529 | close(data->fd); | |
530 | data->fd = read_bundle_header(transport->url, &data->header); | |
531 | if (data->fd < 0) | |
532 | die ("Could not read bundle '%s'.", transport->url); | |
533 | for (i = 0; i < data->header.references.nr; i++) { | |
534 | struct ref_list_entry *e = data->header.references.list + i; | |
90446a00 | 535 | struct ref *ref = alloc_ref(strlen(e->name) + 1); |
c7a8a162 JS |
536 | hashcpy(ref->old_sha1, e->sha1); |
537 | strcpy(ref->name, e->name); | |
538 | ref->next = result; | |
539 | result = ref; | |
540 | } | |
541 | return result; | |
542 | } | |
543 | ||
1788c39c | 544 | static int fetch_refs_from_bundle(struct transport *transport, |
425b1393 | 545 | int nr_heads, struct ref **to_fetch) |
c7a8a162 JS |
546 | { |
547 | struct bundle_transport_data *data = transport->data; | |
548 | return unbundle(&data->header, data->fd); | |
549 | } | |
550 | ||
551 | static int close_bundle(struct transport *transport) | |
552 | { | |
553 | struct bundle_transport_data *data = transport->data; | |
554 | if (data->fd > 0) | |
555 | close(data->fd); | |
f4e95765 | 556 | free(data); |
c7a8a162 JS |
557 | return 0; |
558 | } | |
559 | ||
9b288516 DB |
560 | struct git_transport_data { |
561 | unsigned thin : 1; | |
c29727d5 | 562 | unsigned keep : 1; |
c29727d5 | 563 | int depth; |
ba227857 DB |
564 | struct child_process *conn; |
565 | int fd[2]; | |
c29727d5 | 566 | const char *uploadpack; |
9b288516 DB |
567 | const char *receivepack; |
568 | }; | |
569 | ||
570 | static int set_git_option(struct transport *connection, | |
571 | const char *name, const char *value) | |
572 | { | |
573 | struct git_transport_data *data = connection->data; | |
c29727d5 DB |
574 | if (!strcmp(name, TRANS_OPT_UPLOADPACK)) { |
575 | data->uploadpack = value; | |
576 | return 0; | |
577 | } else if (!strcmp(name, TRANS_OPT_RECEIVEPACK)) { | |
9b288516 DB |
578 | data->receivepack = value; |
579 | return 0; | |
580 | } else if (!strcmp(name, TRANS_OPT_THIN)) { | |
581 | data->thin = !!value; | |
582 | return 0; | |
c29727d5 DB |
583 | } else if (!strcmp(name, TRANS_OPT_KEEP)) { |
584 | data->keep = !!value; | |
585 | return 0; | |
c29727d5 DB |
586 | } else if (!strcmp(name, TRANS_OPT_DEPTH)) { |
587 | if (!value) | |
588 | data->depth = 0; | |
589 | else | |
590 | data->depth = atoi(value); | |
591 | return 0; | |
9b288516 DB |
592 | } |
593 | return 1; | |
594 | } | |
595 | ||
ba227857 DB |
596 | static int connect_setup(struct transport *transport) |
597 | { | |
598 | struct git_transport_data *data = transport->data; | |
599 | data->conn = git_connect(data->fd, transport->url, data->uploadpack, 0); | |
600 | return 0; | |
601 | } | |
602 | ||
4577370e | 603 | static struct ref *get_refs_via_connect(struct transport *transport) |
c29727d5 DB |
604 | { |
605 | struct git_transport_data *data = transport->data; | |
606 | struct ref *refs; | |
c29727d5 | 607 | |
ba227857 DB |
608 | connect_setup(transport); |
609 | get_remote_heads(data->fd[0], &refs, 0, NULL, 0); | |
c29727d5 DB |
610 | |
611 | return refs; | |
612 | } | |
613 | ||
1788c39c | 614 | static int fetch_refs_via_pack(struct transport *transport, |
425b1393 | 615 | int nr_heads, struct ref **to_fetch) |
c29727d5 DB |
616 | { |
617 | struct git_transport_data *data = transport->data; | |
425b1393 | 618 | char **heads = xmalloc(nr_heads * sizeof(*heads)); |
e4cd6c7a | 619 | char **origh = xmalloc(nr_heads * sizeof(*origh)); |
ba227857 | 620 | const struct ref *refs; |
c29727d5 DB |
621 | char *dest = xstrdup(transport->url); |
622 | struct fetch_pack_args args; | |
425b1393 | 623 | int i; |
00183cbb | 624 | struct ref *refs_tmp = NULL; |
c29727d5 | 625 | |
fa740529 | 626 | memset(&args, 0, sizeof(args)); |
c29727d5 | 627 | args.uploadpack = data->uploadpack; |
c29727d5 | 628 | args.keep_pack = data->keep; |
fa740529 | 629 | args.lock_pack = 1; |
c29727d5 | 630 | args.use_thin_pack = data->thin; |
2b5a06ed | 631 | args.verbose = transport->verbose > 0; |
c29727d5 | 632 | args.depth = data->depth; |
c29727d5 | 633 | |
425b1393 | 634 | for (i = 0; i < nr_heads; i++) |
e4cd6c7a | 635 | origh[i] = heads[i] = xstrdup(to_fetch[i]->name); |
ba227857 | 636 | |
ba227857 | 637 | if (!data->conn) { |
ba227857 DB |
638 | connect_setup(transport); |
639 | get_remote_heads(data->fd[0], &refs_tmp, 0, NULL, 0); | |
ba227857 DB |
640 | } |
641 | ||
00183cbb DB |
642 | refs = fetch_pack(&args, data->fd, data->conn, |
643 | refs_tmp ? refs_tmp : transport->remote_refs, | |
ba227857 DB |
644 | dest, nr_heads, heads, &transport->pack_lockfile); |
645 | close(data->fd[0]); | |
646 | close(data->fd[1]); | |
647 | if (finish_connect(data->conn)) | |
648 | refs = NULL; | |
649 | data->conn = NULL; | |
c29727d5 | 650 | |
00183cbb DB |
651 | free_refs(refs_tmp); |
652 | ||
425b1393 | 653 | for (i = 0; i < nr_heads; i++) |
e4cd6c7a SP |
654 | free(origh[i]); |
655 | free(origh); | |
656 | free(heads); | |
c29727d5 | 657 | free(dest); |
c6bc4005 | 658 | return (refs ? 0 : -1); |
c29727d5 DB |
659 | } |
660 | ||
f3fa1838 JH |
661 | static int git_transport_push(struct transport *transport, int refspec_nr, const char **refspec, int flags) |
662 | { | |
9b288516 | 663 | struct git_transport_data *data = transport->data; |
40cb4fab | 664 | struct send_pack_args args; |
9b288516 | 665 | |
40cb4fab DB |
666 | args.receivepack = data->receivepack; |
667 | args.send_all = !!(flags & TRANSPORT_PUSH_ALL); | |
94c89ba6 | 668 | args.send_mirror = !!(flags & TRANSPORT_PUSH_MIRROR); |
40cb4fab DB |
669 | args.force_update = !!(flags & TRANSPORT_PUSH_FORCE); |
670 | args.use_thin_pack = data->thin; | |
a108e538 | 671 | args.verbose = !!(flags & TRANSPORT_PUSH_VERBOSE); |
40cb4fab DB |
672 | args.dry_run = !!(flags & TRANSPORT_PUSH_DRY_RUN); |
673 | ||
674 | return send_pack(&args, transport->url, transport->remote, refspec_nr, refspec); | |
9b288516 DB |
675 | } |
676 | ||
f4e95765 SP |
677 | static int disconnect_git(struct transport *transport) |
678 | { | |
ba227857 DB |
679 | struct git_transport_data *data = transport->data; |
680 | if (data->conn) { | |
681 | packet_flush(data->fd[1]); | |
682 | close(data->fd[0]); | |
683 | close(data->fd[1]); | |
684 | finish_connect(data->conn); | |
685 | } | |
686 | ||
687 | free(data); | |
f4e95765 SP |
688 | return 0; |
689 | } | |
690 | ||
9b288516 DB |
691 | static int is_local(const char *url) |
692 | { | |
693 | const char *colon = strchr(url, ':'); | |
694 | const char *slash = strchr(url, '/'); | |
695 | return !colon || (slash && slash < colon); | |
696 | } | |
697 | ||
698 | static int is_file(const char *url) | |
699 | { | |
700 | struct stat buf; | |
701 | if (stat(url, &buf)) | |
702 | return 0; | |
703 | return S_ISREG(buf.st_mode); | |
704 | } | |
705 | ||
e5f4e214 | 706 | struct transport *transport_get(struct remote *remote, const char *url) |
9b288516 | 707 | { |
8eb554ae SP |
708 | struct transport *ret = xcalloc(1, sizeof(*ret)); |
709 | ||
710 | ret->remote = remote; | |
711 | ret->url = url; | |
8eb554ae | 712 | |
9b288516 | 713 | if (!prefixcmp(url, "rsync://")) { |
cd547b48 JS |
714 | ret->get_refs_list = get_refs_via_rsync; |
715 | ret->fetch = fetch_objs_via_rsync; | |
716 | ret->push = rsync_transport_push; | |
824d5776 | 717 | |
8eb554ae SP |
718 | } else if (!prefixcmp(url, "http://") |
719 | || !prefixcmp(url, "https://") | |
720 | || !prefixcmp(url, "ftp://")) { | |
ccfc02a3 JS |
721 | #ifdef NO_CURL |
722 | error("git was compiled without libcurl support."); | |
723 | #else | |
824d5776 SP |
724 | ret->get_refs_list = get_refs_via_curl; |
725 | ret->fetch = fetch_objs_via_curl; | |
726 | ret->push = curl_transport_push; | |
ccfc02a3 | 727 | #endif |
824d5776 SP |
728 | ret->disconnect = disconnect_walker; |
729 | ||
9b288516 | 730 | } else if (is_local(url) && is_file(url)) { |
c7a8a162 | 731 | struct bundle_transport_data *data = xcalloc(1, sizeof(*data)); |
c7a8a162 | 732 | ret->data = data; |
824d5776 SP |
733 | ret->get_refs_list = get_refs_from_bundle; |
734 | ret->fetch = fetch_refs_from_bundle; | |
735 | ret->disconnect = close_bundle; | |
736 | ||
9b288516 DB |
737 | } else { |
738 | struct git_transport_data *data = xcalloc(1, sizeof(*data)); | |
9b288516 | 739 | ret->data = data; |
824d5776 SP |
740 | ret->set_option = set_git_option; |
741 | ret->get_refs_list = get_refs_via_connect; | |
742 | ret->fetch = fetch_refs_via_pack; | |
743 | ret->push = git_transport_push; | |
f4e95765 | 744 | ret->disconnect = disconnect_git; |
824d5776 | 745 | |
9b288516 | 746 | data->thin = 1; |
ba227857 | 747 | data->conn = NULL; |
c29727d5 DB |
748 | data->uploadpack = "git-upload-pack"; |
749 | if (remote && remote->uploadpack) | |
750 | data->uploadpack = remote->uploadpack; | |
9b288516 DB |
751 | data->receivepack = "git-receive-pack"; |
752 | if (remote && remote->receivepack) | |
753 | data->receivepack = remote->receivepack; | |
9b288516 | 754 | } |
8eb554ae | 755 | |
9b288516 DB |
756 | return ret; |
757 | } | |
758 | ||
759 | int transport_set_option(struct transport *transport, | |
760 | const char *name, const char *value) | |
761 | { | |
824d5776 SP |
762 | if (transport->set_option) |
763 | return transport->set_option(transport, name, value); | |
ab865e6e | 764 | return 1; |
9b288516 DB |
765 | } |
766 | ||
767 | int transport_push(struct transport *transport, | |
768 | int refspec_nr, const char **refspec, int flags) | |
769 | { | |
824d5776 | 770 | if (!transport->push) |
9b288516 | 771 | return 1; |
824d5776 | 772 | return transport->push(transport, refspec_nr, refspec, flags); |
9b288516 DB |
773 | } |
774 | ||
4577370e | 775 | const struct ref *transport_get_remote_refs(struct transport *transport) |
c29727d5 DB |
776 | { |
777 | if (!transport->remote_refs) | |
824d5776 | 778 | transport->remote_refs = transport->get_refs_list(transport); |
c29727d5 DB |
779 | return transport->remote_refs; |
780 | } | |
781 | ||
c29727d5 DB |
782 | int transport_fetch_refs(struct transport *transport, struct ref *refs) |
783 | { | |
425b1393 | 784 | int rc; |
7a2bff45 | 785 | int nr_heads = 0, nr_alloc = 0; |
425b1393 | 786 | struct ref **heads = NULL; |
c29727d5 | 787 | struct ref *rm; |
c29727d5 DB |
788 | |
789 | for (rm = refs; rm; rm = rm->next) { | |
790 | if (rm->peer_ref && | |
791 | !hashcmp(rm->peer_ref->old_sha1, rm->old_sha1)) | |
792 | continue; | |
7a2bff45 | 793 | ALLOC_GROW(heads, nr_heads + 1, nr_alloc); |
425b1393 | 794 | heads[nr_heads++] = rm; |
c29727d5 DB |
795 | } |
796 | ||
824d5776 | 797 | rc = transport->fetch(transport, nr_heads, heads); |
c29727d5 | 798 | free(heads); |
425b1393 | 799 | return rc; |
c29727d5 DB |
800 | } |
801 | ||
1788c39c SP |
802 | void transport_unlock_pack(struct transport *transport) |
803 | { | |
804 | if (transport->pack_lockfile) { | |
805 | unlink(transport->pack_lockfile); | |
806 | free(transport->pack_lockfile); | |
807 | transport->pack_lockfile = NULL; | |
808 | } | |
809 | } | |
810 | ||
9b288516 DB |
811 | int transport_disconnect(struct transport *transport) |
812 | { | |
813 | int ret = 0; | |
824d5776 SP |
814 | if (transport->disconnect) |
815 | ret = transport->disconnect(transport); | |
9b288516 DB |
816 | free(transport); |
817 | return ret; | |
818 | } |