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1 | #include "cache.h" | |
2 | #include "transport.h" | |
3 | #include "run-command.h" | |
4 | #include "pkt-line.h" | |
5 | #include "fetch-pack.h" | |
6 | #include "remote.h" | |
7 | #include "connect.h" | |
8 | #include "send-pack.h" | |
9 | #include "walker.h" | |
10 | #include "bundle.h" | |
11 | #include "dir.h" | |
12 | #include "refs.h" | |
13 | #include "branch.h" | |
14 | #include "url.h" | |
15 | #include "submodule.h" | |
16 | #include "string-list.h" | |
17 | #include "sha1-array.h" | |
18 | ||
19 | /* rsync support */ | |
20 | ||
21 | /* | |
22 | * We copy packed-refs and refs/ into a temporary file, then read the | |
23 | * loose refs recursively (sorting whenever possible), and then inserting | |
24 | * those packed refs that are not yet in the list (not validating, but | |
25 | * assuming that the file is sorted). | |
26 | * | |
27 | * Appears refactoring this from refs.c is too cumbersome. | |
28 | */ | |
29 | ||
30 | static int str_cmp(const void *a, const void *b) | |
31 | { | |
32 | const char *s1 = a; | |
33 | const char *s2 = b; | |
34 | ||
35 | return strcmp(s1, s2); | |
36 | } | |
37 | ||
38 | /* path->buf + name_offset is expected to point to "refs/" */ | |
39 | ||
40 | static int read_loose_refs(struct strbuf *path, int name_offset, | |
41 | struct ref **tail) | |
42 | { | |
43 | DIR *dir = opendir(path->buf); | |
44 | struct dirent *de; | |
45 | struct { | |
46 | char **entries; | |
47 | int nr, alloc; | |
48 | } list; | |
49 | int i, pathlen; | |
50 | ||
51 | if (!dir) | |
52 | return -1; | |
53 | ||
54 | memset (&list, 0, sizeof(list)); | |
55 | ||
56 | while ((de = readdir(dir))) { | |
57 | if (is_dot_or_dotdot(de->d_name)) | |
58 | continue; | |
59 | ALLOC_GROW(list.entries, list.nr + 1, list.alloc); | |
60 | list.entries[list.nr++] = xstrdup(de->d_name); | |
61 | } | |
62 | closedir(dir); | |
63 | ||
64 | /* sort the list */ | |
65 | ||
66 | qsort(list.entries, list.nr, sizeof(char *), str_cmp); | |
67 | ||
68 | pathlen = path->len; | |
69 | strbuf_addch(path, '/'); | |
70 | ||
71 | for (i = 0; i < list.nr; i++, strbuf_setlen(path, pathlen + 1)) { | |
72 | strbuf_addstr(path, list.entries[i]); | |
73 | if (read_loose_refs(path, name_offset, tail)) { | |
74 | int fd = open(path->buf, O_RDONLY); | |
75 | char buffer[40]; | |
76 | struct ref *next; | |
77 | ||
78 | if (fd < 0) | |
79 | continue; | |
80 | next = alloc_ref(path->buf + name_offset); | |
81 | if (read_in_full(fd, buffer, 40) != 40 || | |
82 | get_sha1_hex(buffer, next->old_sha1)) { | |
83 | close(fd); | |
84 | free(next); | |
85 | continue; | |
86 | } | |
87 | close(fd); | |
88 | (*tail)->next = next; | |
89 | *tail = next; | |
90 | } | |
91 | } | |
92 | strbuf_setlen(path, pathlen); | |
93 | ||
94 | for (i = 0; i < list.nr; i++) | |
95 | free(list.entries[i]); | |
96 | free(list.entries); | |
97 | ||
98 | return 0; | |
99 | } | |
100 | ||
101 | /* insert the packed refs for which no loose refs were found */ | |
102 | ||
103 | static void insert_packed_refs(const char *packed_refs, struct ref **list) | |
104 | { | |
105 | FILE *f = fopen(packed_refs, "r"); | |
106 | static char buffer[PATH_MAX]; | |
107 | ||
108 | if (!f) | |
109 | return; | |
110 | ||
111 | for (;;) { | |
112 | int cmp = 0; /* assigned before used */ | |
113 | int len; | |
114 | ||
115 | if (!fgets(buffer, sizeof(buffer), f)) { | |
116 | fclose(f); | |
117 | return; | |
118 | } | |
119 | ||
120 | if (!isxdigit(buffer[0])) | |
121 | continue; | |
122 | len = strlen(buffer); | |
123 | if (len && buffer[len - 1] == '\n') | |
124 | buffer[--len] = '\0'; | |
125 | if (len < 41) | |
126 | continue; | |
127 | while ((*list)->next && | |
128 | (cmp = strcmp(buffer + 41, | |
129 | (*list)->next->name)) > 0) | |
130 | list = &(*list)->next; | |
131 | if (!(*list)->next || cmp < 0) { | |
132 | struct ref *next = alloc_ref(buffer + 41); | |
133 | buffer[40] = '\0'; | |
134 | if (get_sha1_hex(buffer, next->old_sha1)) { | |
135 | warning ("invalid SHA-1: %s", buffer); | |
136 | free(next); | |
137 | continue; | |
138 | } | |
139 | next->next = (*list)->next; | |
140 | (*list)->next = next; | |
141 | list = &(*list)->next; | |
142 | } | |
143 | } | |
144 | } | |
145 | ||
146 | static void set_upstreams(struct transport *transport, struct ref *refs, | |
147 | int pretend) | |
148 | { | |
149 | struct ref *ref; | |
150 | for (ref = refs; ref; ref = ref->next) { | |
151 | const char *localname; | |
152 | const char *tmp; | |
153 | const char *remotename; | |
154 | unsigned char sha[20]; | |
155 | int flag = 0; | |
156 | /* | |
157 | * Check suitability for tracking. Must be successful / | |
158 | * already up-to-date ref create/modify (not delete). | |
159 | */ | |
160 | if (ref->status != REF_STATUS_OK && | |
161 | ref->status != REF_STATUS_UPTODATE) | |
162 | continue; | |
163 | if (!ref->peer_ref) | |
164 | continue; | |
165 | if (is_null_sha1(ref->new_sha1)) | |
166 | continue; | |
167 | ||
168 | /* Follow symbolic refs (mainly for HEAD). */ | |
169 | localname = ref->peer_ref->name; | |
170 | remotename = ref->name; | |
171 | tmp = resolve_ref_unsafe(localname, RESOLVE_REF_READING, | |
172 | sha, &flag); | |
173 | if (tmp && flag & REF_ISSYMREF && | |
174 | starts_with(tmp, "refs/heads/")) | |
175 | localname = tmp; | |
176 | ||
177 | /* Both source and destination must be local branches. */ | |
178 | if (!localname || !starts_with(localname, "refs/heads/")) | |
179 | continue; | |
180 | if (!remotename || !starts_with(remotename, "refs/heads/")) | |
181 | continue; | |
182 | ||
183 | if (!pretend) | |
184 | install_branch_config(BRANCH_CONFIG_VERBOSE, | |
185 | localname + 11, transport->remote->name, | |
186 | remotename); | |
187 | else | |
188 | printf("Would set upstream of '%s' to '%s' of '%s'\n", | |
189 | localname + 11, remotename + 11, | |
190 | transport->remote->name); | |
191 | } | |
192 | } | |
193 | ||
194 | static const char *rsync_url(const char *url) | |
195 | { | |
196 | if (!starts_with(url, "rsync://")) | |
197 | skip_prefix(url, "rsync:", &url); | |
198 | return url; | |
199 | } | |
200 | ||
201 | static struct ref *get_refs_via_rsync(struct transport *transport, int for_push) | |
202 | { | |
203 | struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT; | |
204 | struct ref dummy = {NULL}, *tail = &dummy; | |
205 | struct child_process rsync = CHILD_PROCESS_INIT; | |
206 | const char *args[5]; | |
207 | int temp_dir_len; | |
208 | ||
209 | if (for_push) | |
210 | return NULL; | |
211 | ||
212 | /* copy the refs to the temporary directory */ | |
213 | ||
214 | strbuf_addstr(&temp_dir, git_path("rsync-refs-XXXXXX")); | |
215 | if (!mkdtemp(temp_dir.buf)) | |
216 | die_errno ("Could not make temporary directory"); | |
217 | temp_dir_len = temp_dir.len; | |
218 | ||
219 | strbuf_addstr(&buf, rsync_url(transport->url)); | |
220 | strbuf_addstr(&buf, "/refs"); | |
221 | ||
222 | rsync.argv = args; | |
223 | rsync.stdout_to_stderr = 1; | |
224 | args[0] = "rsync"; | |
225 | args[1] = (transport->verbose > 1) ? "-rv" : "-r"; | |
226 | args[2] = buf.buf; | |
227 | args[3] = temp_dir.buf; | |
228 | args[4] = NULL; | |
229 | ||
230 | if (run_command(&rsync)) | |
231 | die ("Could not run rsync to get refs"); | |
232 | ||
233 | strbuf_reset(&buf); | |
234 | strbuf_addstr(&buf, rsync_url(transport->url)); | |
235 | strbuf_addstr(&buf, "/packed-refs"); | |
236 | ||
237 | args[2] = buf.buf; | |
238 | ||
239 | if (run_command(&rsync)) | |
240 | die ("Could not run rsync to get refs"); | |
241 | ||
242 | /* read the copied refs */ | |
243 | ||
244 | strbuf_addstr(&temp_dir, "/refs"); | |
245 | read_loose_refs(&temp_dir, temp_dir_len + 1, &tail); | |
246 | strbuf_setlen(&temp_dir, temp_dir_len); | |
247 | ||
248 | tail = &dummy; | |
249 | strbuf_addstr(&temp_dir, "/packed-refs"); | |
250 | insert_packed_refs(temp_dir.buf, &tail); | |
251 | strbuf_setlen(&temp_dir, temp_dir_len); | |
252 | ||
253 | if (remove_dir_recursively(&temp_dir, 0)) | |
254 | warning ("Error removing temporary directory %s.", | |
255 | temp_dir.buf); | |
256 | ||
257 | strbuf_release(&buf); | |
258 | strbuf_release(&temp_dir); | |
259 | ||
260 | return dummy.next; | |
261 | } | |
262 | ||
263 | static int fetch_objs_via_rsync(struct transport *transport, | |
264 | int nr_objs, struct ref **to_fetch) | |
265 | { | |
266 | struct child_process rsync = CHILD_PROCESS_INIT; | |
267 | ||
268 | rsync.stdout_to_stderr = 1; | |
269 | argv_array_push(&rsync.args, "rsync"); | |
270 | argv_array_push(&rsync.args, (transport->verbose > 1) ? "-rv" : "-r"); | |
271 | argv_array_push(&rsync.args, "--ignore-existing"); | |
272 | argv_array_push(&rsync.args, "--exclude"); | |
273 | argv_array_push(&rsync.args, "info"); | |
274 | argv_array_pushf(&rsync.args, "%s/objects/", rsync_url(transport->url)); | |
275 | argv_array_push(&rsync.args, get_object_directory()); | |
276 | ||
277 | /* NEEDSWORK: handle one level of alternates */ | |
278 | return run_command(&rsync); | |
279 | } | |
280 | ||
281 | static int write_one_ref(const char *name, const unsigned char *sha1, | |
282 | int flags, void *data) | |
283 | { | |
284 | struct strbuf *buf = data; | |
285 | int len = buf->len; | |
286 | FILE *f; | |
287 | ||
288 | /* when called via for_each_ref(), flags is non-zero */ | |
289 | if (flags && !starts_with(name, "refs/heads/") && | |
290 | !starts_with(name, "refs/tags/")) | |
291 | return 0; | |
292 | ||
293 | strbuf_addstr(buf, name); | |
294 | if (safe_create_leading_directories(buf->buf) || | |
295 | !(f = fopen(buf->buf, "w")) || | |
296 | fprintf(f, "%s\n", sha1_to_hex(sha1)) < 0 || | |
297 | fclose(f)) | |
298 | return error("problems writing temporary file %s", buf->buf); | |
299 | strbuf_setlen(buf, len); | |
300 | return 0; | |
301 | } | |
302 | ||
303 | static int write_refs_to_temp_dir(struct strbuf *temp_dir, | |
304 | int refspec_nr, const char **refspec) | |
305 | { | |
306 | int i; | |
307 | ||
308 | for (i = 0; i < refspec_nr; i++) { | |
309 | unsigned char sha1[20]; | |
310 | char *ref; | |
311 | ||
312 | if (dwim_ref(refspec[i], strlen(refspec[i]), sha1, &ref) != 1) | |
313 | return error("Could not get ref %s", refspec[i]); | |
314 | ||
315 | if (write_one_ref(ref, sha1, 0, temp_dir)) { | |
316 | free(ref); | |
317 | return -1; | |
318 | } | |
319 | free(ref); | |
320 | } | |
321 | return 0; | |
322 | } | |
323 | ||
324 | static int rsync_transport_push(struct transport *transport, | |
325 | int refspec_nr, const char **refspec, int flags) | |
326 | { | |
327 | struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT; | |
328 | int result = 0, i; | |
329 | struct child_process rsync = CHILD_PROCESS_INIT; | |
330 | const char *args[10]; | |
331 | ||
332 | if (flags & TRANSPORT_PUSH_MIRROR) | |
333 | return error("rsync transport does not support mirror mode"); | |
334 | ||
335 | /* first push the objects */ | |
336 | ||
337 | strbuf_addstr(&buf, rsync_url(transport->url)); | |
338 | strbuf_addch(&buf, '/'); | |
339 | ||
340 | rsync.argv = args; | |
341 | rsync.stdout_to_stderr = 1; | |
342 | i = 0; | |
343 | args[i++] = "rsync"; | |
344 | args[i++] = "-a"; | |
345 | if (flags & TRANSPORT_PUSH_DRY_RUN) | |
346 | args[i++] = "--dry-run"; | |
347 | if (transport->verbose > 1) | |
348 | args[i++] = "-v"; | |
349 | args[i++] = "--ignore-existing"; | |
350 | args[i++] = "--exclude"; | |
351 | args[i++] = "info"; | |
352 | args[i++] = get_object_directory(); | |
353 | args[i++] = buf.buf; | |
354 | args[i++] = NULL; | |
355 | ||
356 | if (run_command(&rsync)) | |
357 | return error("Could not push objects to %s", | |
358 | rsync_url(transport->url)); | |
359 | ||
360 | /* copy the refs to the temporary directory; they could be packed. */ | |
361 | ||
362 | strbuf_addstr(&temp_dir, git_path("rsync-refs-XXXXXX")); | |
363 | if (!mkdtemp(temp_dir.buf)) | |
364 | die_errno ("Could not make temporary directory"); | |
365 | strbuf_addch(&temp_dir, '/'); | |
366 | ||
367 | if (flags & TRANSPORT_PUSH_ALL) { | |
368 | if (for_each_ref(write_one_ref, &temp_dir)) | |
369 | return -1; | |
370 | } else if (write_refs_to_temp_dir(&temp_dir, refspec_nr, refspec)) | |
371 | return -1; | |
372 | ||
373 | i = 2; | |
374 | if (flags & TRANSPORT_PUSH_DRY_RUN) | |
375 | args[i++] = "--dry-run"; | |
376 | if (!(flags & TRANSPORT_PUSH_FORCE)) | |
377 | args[i++] = "--ignore-existing"; | |
378 | args[i++] = temp_dir.buf; | |
379 | args[i++] = rsync_url(transport->url); | |
380 | args[i++] = NULL; | |
381 | if (run_command(&rsync)) | |
382 | result = error("Could not push to %s", | |
383 | rsync_url(transport->url)); | |
384 | ||
385 | if (remove_dir_recursively(&temp_dir, 0)) | |
386 | warning ("Could not remove temporary directory %s.", | |
387 | temp_dir.buf); | |
388 | ||
389 | strbuf_release(&buf); | |
390 | strbuf_release(&temp_dir); | |
391 | ||
392 | return result; | |
393 | } | |
394 | ||
395 | struct bundle_transport_data { | |
396 | int fd; | |
397 | struct bundle_header header; | |
398 | }; | |
399 | ||
400 | static struct ref *get_refs_from_bundle(struct transport *transport, int for_push) | |
401 | { | |
402 | struct bundle_transport_data *data = transport->data; | |
403 | struct ref *result = NULL; | |
404 | int i; | |
405 | ||
406 | if (for_push) | |
407 | return NULL; | |
408 | ||
409 | if (data->fd > 0) | |
410 | close(data->fd); | |
411 | data->fd = read_bundle_header(transport->url, &data->header); | |
412 | if (data->fd < 0) | |
413 | die ("Could not read bundle '%s'.", transport->url); | |
414 | for (i = 0; i < data->header.references.nr; i++) { | |
415 | struct ref_list_entry *e = data->header.references.list + i; | |
416 | struct ref *ref = alloc_ref(e->name); | |
417 | hashcpy(ref->old_sha1, e->sha1); | |
418 | ref->next = result; | |
419 | result = ref; | |
420 | } | |
421 | return result; | |
422 | } | |
423 | ||
424 | static int fetch_refs_from_bundle(struct transport *transport, | |
425 | int nr_heads, struct ref **to_fetch) | |
426 | { | |
427 | struct bundle_transport_data *data = transport->data; | |
428 | return unbundle(&data->header, data->fd, | |
429 | transport->progress ? BUNDLE_VERBOSE : 0); | |
430 | } | |
431 | ||
432 | static int close_bundle(struct transport *transport) | |
433 | { | |
434 | struct bundle_transport_data *data = transport->data; | |
435 | if (data->fd > 0) | |
436 | close(data->fd); | |
437 | free(data); | |
438 | return 0; | |
439 | } | |
440 | ||
441 | struct git_transport_data { | |
442 | struct git_transport_options options; | |
443 | struct child_process *conn; | |
444 | int fd[2]; | |
445 | unsigned got_remote_heads : 1; | |
446 | struct sha1_array extra_have; | |
447 | struct sha1_array shallow; | |
448 | }; | |
449 | ||
450 | static int set_git_option(struct git_transport_options *opts, | |
451 | const char *name, const char *value) | |
452 | { | |
453 | if (!strcmp(name, TRANS_OPT_UPLOADPACK)) { | |
454 | opts->uploadpack = value; | |
455 | return 0; | |
456 | } else if (!strcmp(name, TRANS_OPT_RECEIVEPACK)) { | |
457 | opts->receivepack = value; | |
458 | return 0; | |
459 | } else if (!strcmp(name, TRANS_OPT_THIN)) { | |
460 | opts->thin = !!value; | |
461 | return 0; | |
462 | } else if (!strcmp(name, TRANS_OPT_FOLLOWTAGS)) { | |
463 | opts->followtags = !!value; | |
464 | return 0; | |
465 | } else if (!strcmp(name, TRANS_OPT_KEEP)) { | |
466 | opts->keep = !!value; | |
467 | return 0; | |
468 | } else if (!strcmp(name, TRANS_OPT_UPDATE_SHALLOW)) { | |
469 | opts->update_shallow = !!value; | |
470 | return 0; | |
471 | } else if (!strcmp(name, TRANS_OPT_DEPTH)) { | |
472 | if (!value) | |
473 | opts->depth = 0; | |
474 | else { | |
475 | char *end; | |
476 | opts->depth = strtol(value, &end, 0); | |
477 | if (*end) | |
478 | die("transport: invalid depth option '%s'", value); | |
479 | } | |
480 | return 0; | |
481 | } else if (!strcmp(name, TRANS_OPT_PUSH_CERT)) { | |
482 | opts->push_cert = !!value; | |
483 | return 0; | |
484 | } | |
485 | return 1; | |
486 | } | |
487 | ||
488 | static int connect_setup(struct transport *transport, int for_push, int verbose) | |
489 | { | |
490 | struct git_transport_data *data = transport->data; | |
491 | ||
492 | if (data->conn) | |
493 | return 0; | |
494 | ||
495 | data->conn = git_connect(data->fd, transport->url, | |
496 | for_push ? data->options.receivepack : | |
497 | data->options.uploadpack, | |
498 | verbose ? CONNECT_VERBOSE : 0); | |
499 | ||
500 | return 0; | |
501 | } | |
502 | ||
503 | static struct ref *get_refs_via_connect(struct transport *transport, int for_push) | |
504 | { | |
505 | struct git_transport_data *data = transport->data; | |
506 | struct ref *refs; | |
507 | ||
508 | connect_setup(transport, for_push, 0); | |
509 | get_remote_heads(data->fd[0], NULL, 0, &refs, | |
510 | for_push ? REF_NORMAL : 0, | |
511 | &data->extra_have, | |
512 | &data->shallow); | |
513 | data->got_remote_heads = 1; | |
514 | ||
515 | return refs; | |
516 | } | |
517 | ||
518 | static int fetch_refs_via_pack(struct transport *transport, | |
519 | int nr_heads, struct ref **to_fetch) | |
520 | { | |
521 | struct git_transport_data *data = transport->data; | |
522 | struct ref *refs; | |
523 | char *dest = xstrdup(transport->url); | |
524 | struct fetch_pack_args args; | |
525 | struct ref *refs_tmp = NULL; | |
526 | ||
527 | memset(&args, 0, sizeof(args)); | |
528 | args.uploadpack = data->options.uploadpack; | |
529 | args.keep_pack = data->options.keep; | |
530 | args.lock_pack = 1; | |
531 | args.use_thin_pack = data->options.thin; | |
532 | args.include_tag = data->options.followtags; | |
533 | args.verbose = (transport->verbose > 1); | |
534 | args.quiet = (transport->verbose < 0); | |
535 | args.no_progress = !transport->progress; | |
536 | args.depth = data->options.depth; | |
537 | args.check_self_contained_and_connected = | |
538 | data->options.check_self_contained_and_connected; | |
539 | args.cloning = transport->cloning; | |
540 | args.update_shallow = data->options.update_shallow; | |
541 | ||
542 | if (!data->got_remote_heads) { | |
543 | connect_setup(transport, 0, 0); | |
544 | get_remote_heads(data->fd[0], NULL, 0, &refs_tmp, 0, | |
545 | NULL, &data->shallow); | |
546 | data->got_remote_heads = 1; | |
547 | } | |
548 | ||
549 | refs = fetch_pack(&args, data->fd, data->conn, | |
550 | refs_tmp ? refs_tmp : transport->remote_refs, | |
551 | dest, to_fetch, nr_heads, &data->shallow, | |
552 | &transport->pack_lockfile); | |
553 | close(data->fd[0]); | |
554 | close(data->fd[1]); | |
555 | if (finish_connect(data->conn)) { | |
556 | free_refs(refs); | |
557 | refs = NULL; | |
558 | } | |
559 | data->conn = NULL; | |
560 | data->got_remote_heads = 0; | |
561 | data->options.self_contained_and_connected = | |
562 | args.self_contained_and_connected; | |
563 | ||
564 | free_refs(refs_tmp); | |
565 | free_refs(refs); | |
566 | free(dest); | |
567 | return (refs ? 0 : -1); | |
568 | } | |
569 | ||
570 | static int push_had_errors(struct ref *ref) | |
571 | { | |
572 | for (; ref; ref = ref->next) { | |
573 | switch (ref->status) { | |
574 | case REF_STATUS_NONE: | |
575 | case REF_STATUS_UPTODATE: | |
576 | case REF_STATUS_OK: | |
577 | break; | |
578 | default: | |
579 | return 1; | |
580 | } | |
581 | } | |
582 | return 0; | |
583 | } | |
584 | ||
585 | int transport_refs_pushed(struct ref *ref) | |
586 | { | |
587 | for (; ref; ref = ref->next) { | |
588 | switch(ref->status) { | |
589 | case REF_STATUS_NONE: | |
590 | case REF_STATUS_UPTODATE: | |
591 | break; | |
592 | default: | |
593 | return 1; | |
594 | } | |
595 | } | |
596 | return 0; | |
597 | } | |
598 | ||
599 | void transport_update_tracking_ref(struct remote *remote, struct ref *ref, int verbose) | |
600 | { | |
601 | struct refspec rs; | |
602 | ||
603 | if (ref->status != REF_STATUS_OK && ref->status != REF_STATUS_UPTODATE) | |
604 | return; | |
605 | ||
606 | rs.src = ref->name; | |
607 | rs.dst = NULL; | |
608 | ||
609 | if (!remote_find_tracking(remote, &rs)) { | |
610 | if (verbose) | |
611 | fprintf(stderr, "updating local tracking ref '%s'\n", rs.dst); | |
612 | if (ref->deletion) { | |
613 | delete_ref(rs.dst, NULL, 0); | |
614 | } else | |
615 | update_ref("update by push", rs.dst, | |
616 | ref->new_sha1, NULL, 0, 0); | |
617 | free(rs.dst); | |
618 | } | |
619 | } | |
620 | ||
621 | static void print_ref_status(char flag, const char *summary, struct ref *to, struct ref *from, const char *msg, int porcelain) | |
622 | { | |
623 | if (porcelain) { | |
624 | if (from) | |
625 | fprintf(stdout, "%c\t%s:%s\t", flag, from->name, to->name); | |
626 | else | |
627 | fprintf(stdout, "%c\t:%s\t", flag, to->name); | |
628 | if (msg) | |
629 | fprintf(stdout, "%s (%s)\n", summary, msg); | |
630 | else | |
631 | fprintf(stdout, "%s\n", summary); | |
632 | } else { | |
633 | fprintf(stderr, " %c %-*s ", flag, TRANSPORT_SUMMARY_WIDTH, summary); | |
634 | if (from) | |
635 | fprintf(stderr, "%s -> %s", prettify_refname(from->name), prettify_refname(to->name)); | |
636 | else | |
637 | fputs(prettify_refname(to->name), stderr); | |
638 | if (msg) { | |
639 | fputs(" (", stderr); | |
640 | fputs(msg, stderr); | |
641 | fputc(')', stderr); | |
642 | } | |
643 | fputc('\n', stderr); | |
644 | } | |
645 | } | |
646 | ||
647 | static const char *status_abbrev(unsigned char sha1[20]) | |
648 | { | |
649 | return find_unique_abbrev(sha1, DEFAULT_ABBREV); | |
650 | } | |
651 | ||
652 | static void print_ok_ref_status(struct ref *ref, int porcelain) | |
653 | { | |
654 | if (ref->deletion) | |
655 | print_ref_status('-', "[deleted]", ref, NULL, NULL, porcelain); | |
656 | else if (is_null_sha1(ref->old_sha1)) | |
657 | print_ref_status('*', | |
658 | (starts_with(ref->name, "refs/tags/") ? "[new tag]" : | |
659 | "[new branch]"), | |
660 | ref, ref->peer_ref, NULL, porcelain); | |
661 | else { | |
662 | char quickref[84]; | |
663 | char type; | |
664 | const char *msg; | |
665 | ||
666 | strcpy(quickref, status_abbrev(ref->old_sha1)); | |
667 | if (ref->forced_update) { | |
668 | strcat(quickref, "..."); | |
669 | type = '+'; | |
670 | msg = "forced update"; | |
671 | } else { | |
672 | strcat(quickref, ".."); | |
673 | type = ' '; | |
674 | msg = NULL; | |
675 | } | |
676 | strcat(quickref, status_abbrev(ref->new_sha1)); | |
677 | ||
678 | print_ref_status(type, quickref, ref, ref->peer_ref, msg, porcelain); | |
679 | } | |
680 | } | |
681 | ||
682 | static int print_one_push_status(struct ref *ref, const char *dest, int count, int porcelain) | |
683 | { | |
684 | if (!count) | |
685 | fprintf(porcelain ? stdout : stderr, "To %s\n", dest); | |
686 | ||
687 | switch(ref->status) { | |
688 | case REF_STATUS_NONE: | |
689 | print_ref_status('X', "[no match]", ref, NULL, NULL, porcelain); | |
690 | break; | |
691 | case REF_STATUS_REJECT_NODELETE: | |
692 | print_ref_status('!', "[rejected]", ref, NULL, | |
693 | "remote does not support deleting refs", porcelain); | |
694 | break; | |
695 | case REF_STATUS_UPTODATE: | |
696 | print_ref_status('=', "[up to date]", ref, | |
697 | ref->peer_ref, NULL, porcelain); | |
698 | break; | |
699 | case REF_STATUS_REJECT_NONFASTFORWARD: | |
700 | print_ref_status('!', "[rejected]", ref, ref->peer_ref, | |
701 | "non-fast-forward", porcelain); | |
702 | break; | |
703 | case REF_STATUS_REJECT_ALREADY_EXISTS: | |
704 | print_ref_status('!', "[rejected]", ref, ref->peer_ref, | |
705 | "already exists", porcelain); | |
706 | break; | |
707 | case REF_STATUS_REJECT_FETCH_FIRST: | |
708 | print_ref_status('!', "[rejected]", ref, ref->peer_ref, | |
709 | "fetch first", porcelain); | |
710 | break; | |
711 | case REF_STATUS_REJECT_NEEDS_FORCE: | |
712 | print_ref_status('!', "[rejected]", ref, ref->peer_ref, | |
713 | "needs force", porcelain); | |
714 | break; | |
715 | case REF_STATUS_REJECT_STALE: | |
716 | print_ref_status('!', "[rejected]", ref, ref->peer_ref, | |
717 | "stale info", porcelain); | |
718 | break; | |
719 | case REF_STATUS_REJECT_SHALLOW: | |
720 | print_ref_status('!', "[rejected]", ref, ref->peer_ref, | |
721 | "new shallow roots not allowed", porcelain); | |
722 | break; | |
723 | case REF_STATUS_REMOTE_REJECT: | |
724 | print_ref_status('!', "[remote rejected]", ref, | |
725 | ref->deletion ? NULL : ref->peer_ref, | |
726 | ref->remote_status, porcelain); | |
727 | break; | |
728 | case REF_STATUS_EXPECTING_REPORT: | |
729 | print_ref_status('!', "[remote failure]", ref, | |
730 | ref->deletion ? NULL : ref->peer_ref, | |
731 | "remote failed to report status", porcelain); | |
732 | break; | |
733 | case REF_STATUS_OK: | |
734 | print_ok_ref_status(ref, porcelain); | |
735 | break; | |
736 | } | |
737 | ||
738 | return 1; | |
739 | } | |
740 | ||
741 | void transport_print_push_status(const char *dest, struct ref *refs, | |
742 | int verbose, int porcelain, unsigned int *reject_reasons) | |
743 | { | |
744 | struct ref *ref; | |
745 | int n = 0; | |
746 | unsigned char head_sha1[20]; | |
747 | char *head; | |
748 | ||
749 | head = resolve_refdup("HEAD", RESOLVE_REF_READING, head_sha1, NULL); | |
750 | ||
751 | if (verbose) { | |
752 | for (ref = refs; ref; ref = ref->next) | |
753 | if (ref->status == REF_STATUS_UPTODATE) | |
754 | n += print_one_push_status(ref, dest, n, porcelain); | |
755 | } | |
756 | ||
757 | for (ref = refs; ref; ref = ref->next) | |
758 | if (ref->status == REF_STATUS_OK) | |
759 | n += print_one_push_status(ref, dest, n, porcelain); | |
760 | ||
761 | *reject_reasons = 0; | |
762 | for (ref = refs; ref; ref = ref->next) { | |
763 | if (ref->status != REF_STATUS_NONE && | |
764 | ref->status != REF_STATUS_UPTODATE && | |
765 | ref->status != REF_STATUS_OK) | |
766 | n += print_one_push_status(ref, dest, n, porcelain); | |
767 | if (ref->status == REF_STATUS_REJECT_NONFASTFORWARD) { | |
768 | if (head != NULL && !strcmp(head, ref->name)) | |
769 | *reject_reasons |= REJECT_NON_FF_HEAD; | |
770 | else | |
771 | *reject_reasons |= REJECT_NON_FF_OTHER; | |
772 | } else if (ref->status == REF_STATUS_REJECT_ALREADY_EXISTS) { | |
773 | *reject_reasons |= REJECT_ALREADY_EXISTS; | |
774 | } else if (ref->status == REF_STATUS_REJECT_FETCH_FIRST) { | |
775 | *reject_reasons |= REJECT_FETCH_FIRST; | |
776 | } else if (ref->status == REF_STATUS_REJECT_NEEDS_FORCE) { | |
777 | *reject_reasons |= REJECT_NEEDS_FORCE; | |
778 | } | |
779 | } | |
780 | free(head); | |
781 | } | |
782 | ||
783 | void transport_verify_remote_names(int nr_heads, const char **heads) | |
784 | { | |
785 | int i; | |
786 | ||
787 | for (i = 0; i < nr_heads; i++) { | |
788 | const char *local = heads[i]; | |
789 | const char *remote = strrchr(heads[i], ':'); | |
790 | ||
791 | if (*local == '+') | |
792 | local++; | |
793 | ||
794 | /* A matching refspec is okay. */ | |
795 | if (remote == local && remote[1] == '\0') | |
796 | continue; | |
797 | ||
798 | remote = remote ? (remote + 1) : local; | |
799 | if (check_refname_format(remote, | |
800 | REFNAME_ALLOW_ONELEVEL|REFNAME_REFSPEC_PATTERN)) | |
801 | die("remote part of refspec is not a valid name in %s", | |
802 | heads[i]); | |
803 | } | |
804 | } | |
805 | ||
806 | static int git_transport_push(struct transport *transport, struct ref *remote_refs, int flags) | |
807 | { | |
808 | struct git_transport_data *data = transport->data; | |
809 | struct send_pack_args args; | |
810 | int ret; | |
811 | ||
812 | if (!data->got_remote_heads) { | |
813 | struct ref *tmp_refs; | |
814 | connect_setup(transport, 1, 0); | |
815 | ||
816 | get_remote_heads(data->fd[0], NULL, 0, &tmp_refs, REF_NORMAL, | |
817 | NULL, &data->shallow); | |
818 | data->got_remote_heads = 1; | |
819 | } | |
820 | ||
821 | memset(&args, 0, sizeof(args)); | |
822 | args.send_mirror = !!(flags & TRANSPORT_PUSH_MIRROR); | |
823 | args.force_update = !!(flags & TRANSPORT_PUSH_FORCE); | |
824 | args.use_thin_pack = data->options.thin; | |
825 | args.verbose = (transport->verbose > 0); | |
826 | args.quiet = (transport->verbose < 0); | |
827 | args.progress = transport->progress; | |
828 | args.dry_run = !!(flags & TRANSPORT_PUSH_DRY_RUN); | |
829 | args.porcelain = !!(flags & TRANSPORT_PUSH_PORCELAIN); | |
830 | args.push_cert = !!(flags & TRANSPORT_PUSH_CERT); | |
831 | args.url = transport->url; | |
832 | ||
833 | ret = send_pack(&args, data->fd, data->conn, remote_refs, | |
834 | &data->extra_have); | |
835 | ||
836 | close(data->fd[1]); | |
837 | close(data->fd[0]); | |
838 | ret |= finish_connect(data->conn); | |
839 | data->conn = NULL; | |
840 | data->got_remote_heads = 0; | |
841 | ||
842 | return ret; | |
843 | } | |
844 | ||
845 | static int connect_git(struct transport *transport, const char *name, | |
846 | const char *executable, int fd[2]) | |
847 | { | |
848 | struct git_transport_data *data = transport->data; | |
849 | data->conn = git_connect(data->fd, transport->url, | |
850 | executable, 0); | |
851 | fd[0] = data->fd[0]; | |
852 | fd[1] = data->fd[1]; | |
853 | return 0; | |
854 | } | |
855 | ||
856 | static int disconnect_git(struct transport *transport) | |
857 | { | |
858 | struct git_transport_data *data = transport->data; | |
859 | if (data->conn) { | |
860 | if (data->got_remote_heads) | |
861 | packet_flush(data->fd[1]); | |
862 | close(data->fd[0]); | |
863 | close(data->fd[1]); | |
864 | finish_connect(data->conn); | |
865 | } | |
866 | ||
867 | free(data); | |
868 | return 0; | |
869 | } | |
870 | ||
871 | void transport_take_over(struct transport *transport, | |
872 | struct child_process *child) | |
873 | { | |
874 | struct git_transport_data *data; | |
875 | ||
876 | if (!transport->smart_options) | |
877 | die("Bug detected: Taking over transport requires non-NULL " | |
878 | "smart_options field."); | |
879 | ||
880 | data = xcalloc(1, sizeof(*data)); | |
881 | data->options = *transport->smart_options; | |
882 | data->conn = child; | |
883 | data->fd[0] = data->conn->out; | |
884 | data->fd[1] = data->conn->in; | |
885 | data->got_remote_heads = 0; | |
886 | transport->data = data; | |
887 | ||
888 | transport->set_option = NULL; | |
889 | transport->get_refs_list = get_refs_via_connect; | |
890 | transport->fetch = fetch_refs_via_pack; | |
891 | transport->push = NULL; | |
892 | transport->push_refs = git_transport_push; | |
893 | transport->disconnect = disconnect_git; | |
894 | transport->smart_options = &(data->options); | |
895 | ||
896 | transport->cannot_reuse = 1; | |
897 | } | |
898 | ||
899 | static int is_file(const char *url) | |
900 | { | |
901 | struct stat buf; | |
902 | if (stat(url, &buf)) | |
903 | return 0; | |
904 | return S_ISREG(buf.st_mode); | |
905 | } | |
906 | ||
907 | static int external_specification_len(const char *url) | |
908 | { | |
909 | return strchr(url, ':') - url; | |
910 | } | |
911 | ||
912 | void transport_check_allowed(const char *type) | |
913 | { | |
914 | struct string_list allowed = STRING_LIST_INIT_DUP; | |
915 | const char *v = getenv("GIT_ALLOW_PROTOCOL"); | |
916 | ||
917 | if (!v) | |
918 | return; | |
919 | ||
920 | string_list_split(&allowed, v, ':', -1); | |
921 | if (!unsorted_string_list_has_string(&allowed, type)) | |
922 | die("transport '%s' not allowed", type); | |
923 | string_list_clear(&allowed, 0); | |
924 | } | |
925 | ||
926 | struct transport *transport_get(struct remote *remote, const char *url) | |
927 | { | |
928 | const char *helper; | |
929 | struct transport *ret = xcalloc(1, sizeof(*ret)); | |
930 | ||
931 | ret->progress = isatty(2); | |
932 | ||
933 | if (!remote) | |
934 | die("No remote provided to transport_get()"); | |
935 | ||
936 | ret->got_remote_refs = 0; | |
937 | ret->remote = remote; | |
938 | helper = remote->foreign_vcs; | |
939 | ||
940 | if (!url && remote->url) | |
941 | url = remote->url[0]; | |
942 | ret->url = url; | |
943 | ||
944 | /* maybe it is a foreign URL? */ | |
945 | if (url) { | |
946 | const char *p = url; | |
947 | ||
948 | while (is_urlschemechar(p == url, *p)) | |
949 | p++; | |
950 | if (starts_with(p, "::")) | |
951 | helper = xstrndup(url, p - url); | |
952 | } | |
953 | ||
954 | if (helper) { | |
955 | transport_helper_init(ret, helper); | |
956 | } else if (starts_with(url, "rsync:")) { | |
957 | transport_check_allowed("rsync"); | |
958 | ret->get_refs_list = get_refs_via_rsync; | |
959 | ret->fetch = fetch_objs_via_rsync; | |
960 | ret->push = rsync_transport_push; | |
961 | ret->smart_options = NULL; | |
962 | } else if (url_is_local_not_ssh(url) && is_file(url) && is_bundle(url, 1)) { | |
963 | struct bundle_transport_data *data = xcalloc(1, sizeof(*data)); | |
964 | transport_check_allowed("file"); | |
965 | ret->data = data; | |
966 | ret->get_refs_list = get_refs_from_bundle; | |
967 | ret->fetch = fetch_refs_from_bundle; | |
968 | ret->disconnect = close_bundle; | |
969 | ret->smart_options = NULL; | |
970 | } else if (!is_url(url) | |
971 | || starts_with(url, "file://") | |
972 | || starts_with(url, "git://") | |
973 | || starts_with(url, "ssh://") | |
974 | || starts_with(url, "git+ssh://") | |
975 | || starts_with(url, "ssh+git://")) { | |
976 | /* | |
977 | * These are builtin smart transports; "allowed" transports | |
978 | * will be checked individually in git_connect. | |
979 | */ | |
980 | struct git_transport_data *data = xcalloc(1, sizeof(*data)); | |
981 | ret->data = data; | |
982 | ret->set_option = NULL; | |
983 | ret->get_refs_list = get_refs_via_connect; | |
984 | ret->fetch = fetch_refs_via_pack; | |
985 | ret->push_refs = git_transport_push; | |
986 | ret->connect = connect_git; | |
987 | ret->disconnect = disconnect_git; | |
988 | ret->smart_options = &(data->options); | |
989 | ||
990 | data->conn = NULL; | |
991 | data->got_remote_heads = 0; | |
992 | } else { | |
993 | /* Unknown protocol in URL. Pass to external handler. */ | |
994 | int len = external_specification_len(url); | |
995 | char *handler = xmemdupz(url, len); | |
996 | transport_helper_init(ret, handler); | |
997 | } | |
998 | ||
999 | if (ret->smart_options) { | |
1000 | ret->smart_options->thin = 1; | |
1001 | ret->smart_options->uploadpack = "git-upload-pack"; | |
1002 | if (remote->uploadpack) | |
1003 | ret->smart_options->uploadpack = remote->uploadpack; | |
1004 | ret->smart_options->receivepack = "git-receive-pack"; | |
1005 | if (remote->receivepack) | |
1006 | ret->smart_options->receivepack = remote->receivepack; | |
1007 | } | |
1008 | ||
1009 | return ret; | |
1010 | } | |
1011 | ||
1012 | int transport_set_option(struct transport *transport, | |
1013 | const char *name, const char *value) | |
1014 | { | |
1015 | int git_reports = 1, protocol_reports = 1; | |
1016 | ||
1017 | if (transport->smart_options) | |
1018 | git_reports = set_git_option(transport->smart_options, | |
1019 | name, value); | |
1020 | ||
1021 | if (transport->set_option) | |
1022 | protocol_reports = transport->set_option(transport, name, | |
1023 | value); | |
1024 | ||
1025 | /* If either report is 0, report 0 (success). */ | |
1026 | if (!git_reports || !protocol_reports) | |
1027 | return 0; | |
1028 | /* If either reports -1 (invalid value), report -1. */ | |
1029 | if ((git_reports == -1) || (protocol_reports == -1)) | |
1030 | return -1; | |
1031 | /* Otherwise if both report unknown, report unknown. */ | |
1032 | return 1; | |
1033 | } | |
1034 | ||
1035 | void transport_set_verbosity(struct transport *transport, int verbosity, | |
1036 | int force_progress) | |
1037 | { | |
1038 | if (verbosity >= 1) | |
1039 | transport->verbose = verbosity <= 3 ? verbosity : 3; | |
1040 | if (verbosity < 0) | |
1041 | transport->verbose = -1; | |
1042 | ||
1043 | /** | |
1044 | * Rules used to determine whether to report progress (processing aborts | |
1045 | * when a rule is satisfied): | |
1046 | * | |
1047 | * . Report progress, if force_progress is 1 (ie. --progress). | |
1048 | * . Don't report progress, if force_progress is 0 (ie. --no-progress). | |
1049 | * . Don't report progress, if verbosity < 0 (ie. -q/--quiet ). | |
1050 | * . Report progress if isatty(2) is 1. | |
1051 | **/ | |
1052 | if (force_progress >= 0) | |
1053 | transport->progress = !!force_progress; | |
1054 | else | |
1055 | transport->progress = verbosity >= 0 && isatty(2); | |
1056 | } | |
1057 | ||
1058 | static void die_with_unpushed_submodules(struct string_list *needs_pushing) | |
1059 | { | |
1060 | int i; | |
1061 | ||
1062 | fprintf(stderr, "The following submodule paths contain changes that can\n" | |
1063 | "not be found on any remote:\n"); | |
1064 | for (i = 0; i < needs_pushing->nr; i++) | |
1065 | printf(" %s\n", needs_pushing->items[i].string); | |
1066 | fprintf(stderr, "\nPlease try\n\n" | |
1067 | " git push --recurse-submodules=on-demand\n\n" | |
1068 | "or cd to the path and use\n\n" | |
1069 | " git push\n\n" | |
1070 | "to push them to a remote.\n\n"); | |
1071 | ||
1072 | string_list_clear(needs_pushing, 0); | |
1073 | ||
1074 | die("Aborting."); | |
1075 | } | |
1076 | ||
1077 | static int run_pre_push_hook(struct transport *transport, | |
1078 | struct ref *remote_refs) | |
1079 | { | |
1080 | int ret = 0, x; | |
1081 | struct ref *r; | |
1082 | struct child_process proc = CHILD_PROCESS_INIT; | |
1083 | struct strbuf buf; | |
1084 | const char *argv[4]; | |
1085 | ||
1086 | if (!(argv[0] = find_hook("pre-push"))) | |
1087 | return 0; | |
1088 | ||
1089 | argv[1] = transport->remote->name; | |
1090 | argv[2] = transport->url; | |
1091 | argv[3] = NULL; | |
1092 | ||
1093 | proc.argv = argv; | |
1094 | proc.in = -1; | |
1095 | ||
1096 | if (start_command(&proc)) { | |
1097 | finish_command(&proc); | |
1098 | return -1; | |
1099 | } | |
1100 | ||
1101 | strbuf_init(&buf, 256); | |
1102 | ||
1103 | for (r = remote_refs; r; r = r->next) { | |
1104 | if (!r->peer_ref) continue; | |
1105 | if (r->status == REF_STATUS_REJECT_NONFASTFORWARD) continue; | |
1106 | if (r->status == REF_STATUS_REJECT_STALE) continue; | |
1107 | if (r->status == REF_STATUS_UPTODATE) continue; | |
1108 | ||
1109 | strbuf_reset(&buf); | |
1110 | strbuf_addf( &buf, "%s %s %s %s\n", | |
1111 | r->peer_ref->name, sha1_to_hex(r->new_sha1), | |
1112 | r->name, sha1_to_hex(r->old_sha1)); | |
1113 | ||
1114 | if (write_in_full(proc.in, buf.buf, buf.len) != buf.len) { | |
1115 | ret = -1; | |
1116 | break; | |
1117 | } | |
1118 | } | |
1119 | ||
1120 | strbuf_release(&buf); | |
1121 | ||
1122 | x = close(proc.in); | |
1123 | if (!ret) | |
1124 | ret = x; | |
1125 | ||
1126 | x = finish_command(&proc); | |
1127 | if (!ret) | |
1128 | ret = x; | |
1129 | ||
1130 | return ret; | |
1131 | } | |
1132 | ||
1133 | int transport_push(struct transport *transport, | |
1134 | int refspec_nr, const char **refspec, int flags, | |
1135 | unsigned int *reject_reasons) | |
1136 | { | |
1137 | *reject_reasons = 0; | |
1138 | transport_verify_remote_names(refspec_nr, refspec); | |
1139 | ||
1140 | if (transport->push) { | |
1141 | /* Maybe FIXME. But no important transport uses this case. */ | |
1142 | if (flags & TRANSPORT_PUSH_SET_UPSTREAM) | |
1143 | die("This transport does not support using --set-upstream"); | |
1144 | ||
1145 | return transport->push(transport, refspec_nr, refspec, flags); | |
1146 | } else if (transport->push_refs) { | |
1147 | struct ref *remote_refs; | |
1148 | struct ref *local_refs = get_local_heads(); | |
1149 | int match_flags = MATCH_REFS_NONE; | |
1150 | int verbose = (transport->verbose > 0); | |
1151 | int quiet = (transport->verbose < 0); | |
1152 | int porcelain = flags & TRANSPORT_PUSH_PORCELAIN; | |
1153 | int pretend = flags & TRANSPORT_PUSH_DRY_RUN; | |
1154 | int push_ret, ret, err; | |
1155 | ||
1156 | if (check_push_refs(local_refs, refspec_nr, refspec) < 0) | |
1157 | return -1; | |
1158 | ||
1159 | remote_refs = transport->get_refs_list(transport, 1); | |
1160 | ||
1161 | if (flags & TRANSPORT_PUSH_ALL) | |
1162 | match_flags |= MATCH_REFS_ALL; | |
1163 | if (flags & TRANSPORT_PUSH_MIRROR) | |
1164 | match_flags |= MATCH_REFS_MIRROR; | |
1165 | if (flags & TRANSPORT_PUSH_PRUNE) | |
1166 | match_flags |= MATCH_REFS_PRUNE; | |
1167 | if (flags & TRANSPORT_PUSH_FOLLOW_TAGS) | |
1168 | match_flags |= MATCH_REFS_FOLLOW_TAGS; | |
1169 | ||
1170 | if (match_push_refs(local_refs, &remote_refs, | |
1171 | refspec_nr, refspec, match_flags)) { | |
1172 | return -1; | |
1173 | } | |
1174 | ||
1175 | if (transport->smart_options && | |
1176 | transport->smart_options->cas && | |
1177 | !is_empty_cas(transport->smart_options->cas)) | |
1178 | apply_push_cas(transport->smart_options->cas, | |
1179 | transport->remote, remote_refs); | |
1180 | ||
1181 | set_ref_status_for_push(remote_refs, | |
1182 | flags & TRANSPORT_PUSH_MIRROR, | |
1183 | flags & TRANSPORT_PUSH_FORCE); | |
1184 | ||
1185 | if (!(flags & TRANSPORT_PUSH_NO_HOOK)) | |
1186 | if (run_pre_push_hook(transport, remote_refs)) | |
1187 | return -1; | |
1188 | ||
1189 | if ((flags & TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND) && !is_bare_repository()) { | |
1190 | struct ref *ref = remote_refs; | |
1191 | for (; ref; ref = ref->next) | |
1192 | if (!is_null_sha1(ref->new_sha1) && | |
1193 | !push_unpushed_submodules(ref->new_sha1, | |
1194 | transport->remote->name)) | |
1195 | die ("Failed to push all needed submodules!"); | |
1196 | } | |
1197 | ||
1198 | if ((flags & (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND | | |
1199 | TRANSPORT_RECURSE_SUBMODULES_CHECK)) && !is_bare_repository()) { | |
1200 | struct ref *ref = remote_refs; | |
1201 | struct string_list needs_pushing = STRING_LIST_INIT_DUP; | |
1202 | ||
1203 | for (; ref; ref = ref->next) | |
1204 | if (!is_null_sha1(ref->new_sha1) && | |
1205 | find_unpushed_submodules(ref->new_sha1, | |
1206 | transport->remote->name, &needs_pushing)) | |
1207 | die_with_unpushed_submodules(&needs_pushing); | |
1208 | } | |
1209 | ||
1210 | push_ret = transport->push_refs(transport, remote_refs, flags); | |
1211 | err = push_had_errors(remote_refs); | |
1212 | ret = push_ret | err; | |
1213 | ||
1214 | if (!quiet || err) | |
1215 | transport_print_push_status(transport->url, remote_refs, | |
1216 | verbose | porcelain, porcelain, | |
1217 | reject_reasons); | |
1218 | ||
1219 | if (flags & TRANSPORT_PUSH_SET_UPSTREAM) | |
1220 | set_upstreams(transport, remote_refs, pretend); | |
1221 | ||
1222 | if (!(flags & TRANSPORT_PUSH_DRY_RUN)) { | |
1223 | struct ref *ref; | |
1224 | for (ref = remote_refs; ref; ref = ref->next) | |
1225 | transport_update_tracking_ref(transport->remote, ref, verbose); | |
1226 | } | |
1227 | ||
1228 | if (porcelain && !push_ret) | |
1229 | puts("Done"); | |
1230 | else if (!quiet && !ret && !transport_refs_pushed(remote_refs)) | |
1231 | fprintf(stderr, "Everything up-to-date\n"); | |
1232 | ||
1233 | return ret; | |
1234 | } | |
1235 | return 1; | |
1236 | } | |
1237 | ||
1238 | const struct ref *transport_get_remote_refs(struct transport *transport) | |
1239 | { | |
1240 | if (!transport->got_remote_refs) { | |
1241 | transport->remote_refs = transport->get_refs_list(transport, 0); | |
1242 | transport->got_remote_refs = 1; | |
1243 | } | |
1244 | ||
1245 | return transport->remote_refs; | |
1246 | } | |
1247 | ||
1248 | int transport_fetch_refs(struct transport *transport, struct ref *refs) | |
1249 | { | |
1250 | int rc; | |
1251 | int nr_heads = 0, nr_alloc = 0, nr_refs = 0; | |
1252 | struct ref **heads = NULL; | |
1253 | struct ref *rm; | |
1254 | ||
1255 | for (rm = refs; rm; rm = rm->next) { | |
1256 | nr_refs++; | |
1257 | if (rm->peer_ref && | |
1258 | !is_null_sha1(rm->old_sha1) && | |
1259 | !hashcmp(rm->peer_ref->old_sha1, rm->old_sha1)) | |
1260 | continue; | |
1261 | ALLOC_GROW(heads, nr_heads + 1, nr_alloc); | |
1262 | heads[nr_heads++] = rm; | |
1263 | } | |
1264 | ||
1265 | if (!nr_heads) { | |
1266 | /* | |
1267 | * When deepening of a shallow repository is requested, | |
1268 | * then local and remote refs are likely to still be equal. | |
1269 | * Just feed them all to the fetch method in that case. | |
1270 | * This condition shouldn't be met in a non-deepening fetch | |
1271 | * (see builtin/fetch.c:quickfetch()). | |
1272 | */ | |
1273 | heads = xmalloc(nr_refs * sizeof(*heads)); | |
1274 | for (rm = refs; rm; rm = rm->next) | |
1275 | heads[nr_heads++] = rm; | |
1276 | } | |
1277 | ||
1278 | rc = transport->fetch(transport, nr_heads, heads); | |
1279 | ||
1280 | free(heads); | |
1281 | return rc; | |
1282 | } | |
1283 | ||
1284 | void transport_unlock_pack(struct transport *transport) | |
1285 | { | |
1286 | if (transport->pack_lockfile) { | |
1287 | unlink_or_warn(transport->pack_lockfile); | |
1288 | free(transport->pack_lockfile); | |
1289 | transport->pack_lockfile = NULL; | |
1290 | } | |
1291 | } | |
1292 | ||
1293 | int transport_connect(struct transport *transport, const char *name, | |
1294 | const char *exec, int fd[2]) | |
1295 | { | |
1296 | if (transport->connect) | |
1297 | return transport->connect(transport, name, exec, fd); | |
1298 | else | |
1299 | die("Operation not supported by protocol"); | |
1300 | } | |
1301 | ||
1302 | int transport_disconnect(struct transport *transport) | |
1303 | { | |
1304 | int ret = 0; | |
1305 | if (transport->disconnect) | |
1306 | ret = transport->disconnect(transport); | |
1307 | free(transport); | |
1308 | return ret; | |
1309 | } | |
1310 | ||
1311 | /* | |
1312 | * Strip username (and password) from a URL and return | |
1313 | * it in a newly allocated string. | |
1314 | */ | |
1315 | char *transport_anonymize_url(const char *url) | |
1316 | { | |
1317 | char *anon_url, *scheme_prefix, *anon_part; | |
1318 | size_t anon_len, prefix_len = 0; | |
1319 | ||
1320 | anon_part = strchr(url, '@'); | |
1321 | if (url_is_local_not_ssh(url) || !anon_part) | |
1322 | goto literal_copy; | |
1323 | ||
1324 | anon_len = strlen(++anon_part); | |
1325 | scheme_prefix = strstr(url, "://"); | |
1326 | if (!scheme_prefix) { | |
1327 | if (!strchr(anon_part, ':')) | |
1328 | /* cannot be "me@there:/path/name" */ | |
1329 | goto literal_copy; | |
1330 | } else { | |
1331 | const char *cp; | |
1332 | /* make sure scheme is reasonable */ | |
1333 | for (cp = url; cp < scheme_prefix; cp++) { | |
1334 | switch (*cp) { | |
1335 | /* RFC 1738 2.1 */ | |
1336 | case '+': case '.': case '-': | |
1337 | break; /* ok */ | |
1338 | default: | |
1339 | if (isalnum(*cp)) | |
1340 | break; | |
1341 | /* it isn't */ | |
1342 | goto literal_copy; | |
1343 | } | |
1344 | } | |
1345 | /* @ past the first slash does not count */ | |
1346 | cp = strchr(scheme_prefix + 3, '/'); | |
1347 | if (cp && cp < anon_part) | |
1348 | goto literal_copy; | |
1349 | prefix_len = scheme_prefix - url + 3; | |
1350 | } | |
1351 | anon_url = xcalloc(1, 1 + prefix_len + anon_len); | |
1352 | memcpy(anon_url, url, prefix_len); | |
1353 | memcpy(anon_url + prefix_len, anon_part, anon_len); | |
1354 | return anon_url; | |
1355 | literal_copy: | |
1356 | return xstrdup(url); | |
1357 | } | |
1358 | ||
1359 | struct alternate_refs_data { | |
1360 | alternate_ref_fn *fn; | |
1361 | void *data; | |
1362 | }; | |
1363 | ||
1364 | static int refs_from_alternate_cb(struct alternate_object_database *e, | |
1365 | void *data) | |
1366 | { | |
1367 | char *other; | |
1368 | size_t len; | |
1369 | struct remote *remote; | |
1370 | struct transport *transport; | |
1371 | const struct ref *extra; | |
1372 | struct alternate_refs_data *cb = data; | |
1373 | ||
1374 | e->name[-1] = '\0'; | |
1375 | other = xstrdup(real_path(e->base)); | |
1376 | e->name[-1] = '/'; | |
1377 | len = strlen(other); | |
1378 | ||
1379 | while (other[len-1] == '/') | |
1380 | other[--len] = '\0'; | |
1381 | if (len < 8 || memcmp(other + len - 8, "/objects", 8)) | |
1382 | goto out; | |
1383 | /* Is this a git repository with refs? */ | |
1384 | memcpy(other + len - 8, "/refs", 6); | |
1385 | if (!is_directory(other)) | |
1386 | goto out; | |
1387 | other[len - 8] = '\0'; | |
1388 | remote = remote_get(other); | |
1389 | transport = transport_get(remote, other); | |
1390 | for (extra = transport_get_remote_refs(transport); | |
1391 | extra; | |
1392 | extra = extra->next) | |
1393 | cb->fn(extra, cb->data); | |
1394 | transport_disconnect(transport); | |
1395 | out: | |
1396 | free(other); | |
1397 | return 0; | |
1398 | } | |
1399 | ||
1400 | void for_each_alternate_ref(alternate_ref_fn fn, void *data) | |
1401 | { | |
1402 | struct alternate_refs_data cb; | |
1403 | cb.fn = fn; | |
1404 | cb.data = data; | |
1405 | foreach_alt_odb(refs_from_alternate_cb, &cb); | |
1406 | } |