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