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1 | #include "cache.h" | |
2 | #include "config.h" | |
3 | #include "transport.h" | |
4 | #include "run-command.h" | |
5 | #include "pkt-line.h" | |
6 | #include "fetch-pack.h" | |
7 | #include "remote.h" | |
8 | #include "connect.h" | |
9 | #include "send-pack.h" | |
10 | #include "walker.h" | |
11 | #include "bundle.h" | |
12 | #include "dir.h" | |
13 | #include "refs.h" | |
14 | #include "refspec.h" | |
15 | #include "branch.h" | |
16 | #include "url.h" | |
17 | #include "submodule.h" | |
18 | #include "string-list.h" | |
19 | #include "sha1-array.h" | |
20 | #include "sigchain.h" | |
21 | #include "transport-internal.h" | |
22 | #include "protocol.h" | |
23 | #include "object-store.h" | |
24 | #include "color.h" | |
25 | ||
26 | static int transport_use_color = -1; | |
27 | static char transport_colors[][COLOR_MAXLEN] = { | |
28 | GIT_COLOR_RESET, | |
29 | GIT_COLOR_RED /* REJECTED */ | |
30 | }; | |
31 | ||
32 | enum color_transport { | |
33 | TRANSPORT_COLOR_RESET = 0, | |
34 | TRANSPORT_COLOR_REJECTED = 1 | |
35 | }; | |
36 | ||
37 | static int transport_color_config(void) | |
38 | { | |
39 | const char *keys[] = { | |
40 | "color.transport.reset", | |
41 | "color.transport.rejected" | |
42 | }, *key = "color.transport"; | |
43 | char *value; | |
44 | int i; | |
45 | static int initialized; | |
46 | ||
47 | if (initialized) | |
48 | return 0; | |
49 | initialized = 1; | |
50 | ||
51 | if (!git_config_get_string(key, &value)) | |
52 | transport_use_color = git_config_colorbool(key, value); | |
53 | ||
54 | if (!want_color_stderr(transport_use_color)) | |
55 | return 0; | |
56 | ||
57 | for (i = 0; i < ARRAY_SIZE(keys); i++) | |
58 | if (!git_config_get_string(keys[i], &value)) { | |
59 | if (!value) | |
60 | return config_error_nonbool(keys[i]); | |
61 | if (color_parse(value, transport_colors[i]) < 0) | |
62 | return -1; | |
63 | } | |
64 | ||
65 | return 0; | |
66 | } | |
67 | ||
68 | static const char *transport_get_color(enum color_transport ix) | |
69 | { | |
70 | if (want_color_stderr(transport_use_color)) | |
71 | return transport_colors[ix]; | |
72 | return ""; | |
73 | } | |
74 | ||
75 | static void set_upstreams(struct transport *transport, struct ref *refs, | |
76 | int pretend) | |
77 | { | |
78 | struct ref *ref; | |
79 | for (ref = refs; ref; ref = ref->next) { | |
80 | const char *localname; | |
81 | const char *tmp; | |
82 | const char *remotename; | |
83 | int flag = 0; | |
84 | /* | |
85 | * Check suitability for tracking. Must be successful / | |
86 | * already up-to-date ref create/modify (not delete). | |
87 | */ | |
88 | if (ref->status != REF_STATUS_OK && | |
89 | ref->status != REF_STATUS_UPTODATE) | |
90 | continue; | |
91 | if (!ref->peer_ref) | |
92 | continue; | |
93 | if (is_null_oid(&ref->new_oid)) | |
94 | continue; | |
95 | ||
96 | /* Follow symbolic refs (mainly for HEAD). */ | |
97 | localname = ref->peer_ref->name; | |
98 | remotename = ref->name; | |
99 | tmp = resolve_ref_unsafe(localname, RESOLVE_REF_READING, | |
100 | NULL, &flag); | |
101 | if (tmp && flag & REF_ISSYMREF && | |
102 | starts_with(tmp, "refs/heads/")) | |
103 | localname = tmp; | |
104 | ||
105 | /* Both source and destination must be local branches. */ | |
106 | if (!localname || !starts_with(localname, "refs/heads/")) | |
107 | continue; | |
108 | if (!remotename || !starts_with(remotename, "refs/heads/")) | |
109 | continue; | |
110 | ||
111 | if (!pretend) | |
112 | install_branch_config(BRANCH_CONFIG_VERBOSE, | |
113 | localname + 11, transport->remote->name, | |
114 | remotename); | |
115 | else | |
116 | printf(_("Would set upstream of '%s' to '%s' of '%s'\n"), | |
117 | localname + 11, remotename + 11, | |
118 | transport->remote->name); | |
119 | } | |
120 | } | |
121 | ||
122 | struct bundle_transport_data { | |
123 | int fd; | |
124 | struct bundle_header header; | |
125 | }; | |
126 | ||
127 | static struct ref *get_refs_from_bundle(struct transport *transport, | |
128 | int for_push, | |
129 | const struct argv_array *ref_prefixes) | |
130 | { | |
131 | struct bundle_transport_data *data = transport->data; | |
132 | struct ref *result = NULL; | |
133 | int i; | |
134 | ||
135 | if (for_push) | |
136 | return NULL; | |
137 | ||
138 | if (data->fd > 0) | |
139 | close(data->fd); | |
140 | data->fd = read_bundle_header(transport->url, &data->header); | |
141 | if (data->fd < 0) | |
142 | die(_("could not read bundle '%s'"), transport->url); | |
143 | for (i = 0; i < data->header.references.nr; i++) { | |
144 | struct ref_list_entry *e = data->header.references.list + i; | |
145 | struct ref *ref = alloc_ref(e->name); | |
146 | oidcpy(&ref->old_oid, &e->oid); | |
147 | ref->next = result; | |
148 | result = ref; | |
149 | } | |
150 | return result; | |
151 | } | |
152 | ||
153 | static int fetch_refs_from_bundle(struct transport *transport, | |
154 | int nr_heads, struct ref **to_fetch) | |
155 | { | |
156 | struct bundle_transport_data *data = transport->data; | |
157 | return unbundle(the_repository, &data->header, data->fd, | |
158 | transport->progress ? BUNDLE_VERBOSE : 0); | |
159 | } | |
160 | ||
161 | static int close_bundle(struct transport *transport) | |
162 | { | |
163 | struct bundle_transport_data *data = transport->data; | |
164 | if (data->fd > 0) | |
165 | close(data->fd); | |
166 | free(data); | |
167 | return 0; | |
168 | } | |
169 | ||
170 | struct git_transport_data { | |
171 | struct git_transport_options options; | |
172 | struct child_process *conn; | |
173 | int fd[2]; | |
174 | unsigned got_remote_heads : 1; | |
175 | enum protocol_version version; | |
176 | struct oid_array extra_have; | |
177 | struct oid_array shallow; | |
178 | }; | |
179 | ||
180 | static int set_git_option(struct git_transport_options *opts, | |
181 | const char *name, const char *value) | |
182 | { | |
183 | if (!strcmp(name, TRANS_OPT_UPLOADPACK)) { | |
184 | opts->uploadpack = value; | |
185 | return 0; | |
186 | } else if (!strcmp(name, TRANS_OPT_RECEIVEPACK)) { | |
187 | opts->receivepack = value; | |
188 | return 0; | |
189 | } else if (!strcmp(name, TRANS_OPT_THIN)) { | |
190 | opts->thin = !!value; | |
191 | return 0; | |
192 | } else if (!strcmp(name, TRANS_OPT_FOLLOWTAGS)) { | |
193 | opts->followtags = !!value; | |
194 | return 0; | |
195 | } else if (!strcmp(name, TRANS_OPT_KEEP)) { | |
196 | opts->keep = !!value; | |
197 | return 0; | |
198 | } else if (!strcmp(name, TRANS_OPT_UPDATE_SHALLOW)) { | |
199 | opts->update_shallow = !!value; | |
200 | return 0; | |
201 | } else if (!strcmp(name, TRANS_OPT_DEPTH)) { | |
202 | if (!value) | |
203 | opts->depth = 0; | |
204 | else { | |
205 | char *end; | |
206 | opts->depth = strtol(value, &end, 0); | |
207 | if (*end) | |
208 | die(_("transport: invalid depth option '%s'"), value); | |
209 | } | |
210 | return 0; | |
211 | } else if (!strcmp(name, TRANS_OPT_DEEPEN_SINCE)) { | |
212 | opts->deepen_since = value; | |
213 | return 0; | |
214 | } else if (!strcmp(name, TRANS_OPT_DEEPEN_NOT)) { | |
215 | opts->deepen_not = (const struct string_list *)value; | |
216 | return 0; | |
217 | } else if (!strcmp(name, TRANS_OPT_DEEPEN_RELATIVE)) { | |
218 | opts->deepen_relative = !!value; | |
219 | return 0; | |
220 | } else if (!strcmp(name, TRANS_OPT_FROM_PROMISOR)) { | |
221 | opts->from_promisor = !!value; | |
222 | return 0; | |
223 | } else if (!strcmp(name, TRANS_OPT_NO_DEPENDENTS)) { | |
224 | opts->no_dependents = !!value; | |
225 | return 0; | |
226 | } else if (!strcmp(name, TRANS_OPT_LIST_OBJECTS_FILTER)) { | |
227 | parse_list_objects_filter(&opts->filter_options, value); | |
228 | return 0; | |
229 | } | |
230 | return 1; | |
231 | } | |
232 | ||
233 | static int connect_setup(struct transport *transport, int for_push) | |
234 | { | |
235 | struct git_transport_data *data = transport->data; | |
236 | int flags = transport->verbose > 0 ? CONNECT_VERBOSE : 0; | |
237 | ||
238 | if (data->conn) | |
239 | return 0; | |
240 | ||
241 | switch (transport->family) { | |
242 | case TRANSPORT_FAMILY_ALL: break; | |
243 | case TRANSPORT_FAMILY_IPV4: flags |= CONNECT_IPV4; break; | |
244 | case TRANSPORT_FAMILY_IPV6: flags |= CONNECT_IPV6; break; | |
245 | } | |
246 | ||
247 | data->conn = git_connect(data->fd, transport->url, | |
248 | for_push ? data->options.receivepack : | |
249 | data->options.uploadpack, | |
250 | flags); | |
251 | ||
252 | return 0; | |
253 | } | |
254 | ||
255 | /* | |
256 | * Obtains the protocol version from the transport and writes it to | |
257 | * transport->data->version, first connecting if not already connected. | |
258 | * | |
259 | * If the protocol version is one that allows skipping the listing of remote | |
260 | * refs, and must_list_refs is 0, the listing of remote refs is skipped and | |
261 | * this function returns NULL. Otherwise, this function returns the list of | |
262 | * remote refs. | |
263 | */ | |
264 | static struct ref *handshake(struct transport *transport, int for_push, | |
265 | const struct argv_array *ref_prefixes, | |
266 | int must_list_refs) | |
267 | { | |
268 | struct git_transport_data *data = transport->data; | |
269 | struct ref *refs = NULL; | |
270 | struct packet_reader reader; | |
271 | ||
272 | connect_setup(transport, for_push); | |
273 | ||
274 | packet_reader_init(&reader, data->fd[0], NULL, 0, | |
275 | PACKET_READ_CHOMP_NEWLINE | | |
276 | PACKET_READ_GENTLE_ON_EOF | | |
277 | PACKET_READ_DIE_ON_ERR_PACKET); | |
278 | ||
279 | data->version = discover_version(&reader); | |
280 | switch (data->version) { | |
281 | case protocol_v2: | |
282 | if (must_list_refs) | |
283 | get_remote_refs(data->fd[1], &reader, &refs, for_push, | |
284 | ref_prefixes, | |
285 | transport->server_options); | |
286 | break; | |
287 | case protocol_v1: | |
288 | case protocol_v0: | |
289 | get_remote_heads(&reader, &refs, | |
290 | for_push ? REF_NORMAL : 0, | |
291 | &data->extra_have, | |
292 | &data->shallow); | |
293 | break; | |
294 | case protocol_unknown_version: | |
295 | BUG("unknown protocol version"); | |
296 | } | |
297 | data->got_remote_heads = 1; | |
298 | ||
299 | if (reader.line_peeked) | |
300 | BUG("buffer must be empty at the end of handshake()"); | |
301 | ||
302 | return refs; | |
303 | } | |
304 | ||
305 | static struct ref *get_refs_via_connect(struct transport *transport, int for_push, | |
306 | const struct argv_array *ref_prefixes) | |
307 | { | |
308 | return handshake(transport, for_push, ref_prefixes, 1); | |
309 | } | |
310 | ||
311 | static int fetch_refs_via_pack(struct transport *transport, | |
312 | int nr_heads, struct ref **to_fetch) | |
313 | { | |
314 | int ret = 0; | |
315 | struct git_transport_data *data = transport->data; | |
316 | struct ref *refs = NULL; | |
317 | char *dest = xstrdup(transport->url); | |
318 | struct fetch_pack_args args; | |
319 | struct ref *refs_tmp = NULL; | |
320 | ||
321 | memset(&args, 0, sizeof(args)); | |
322 | args.uploadpack = data->options.uploadpack; | |
323 | args.keep_pack = data->options.keep; | |
324 | args.lock_pack = 1; | |
325 | args.use_thin_pack = data->options.thin; | |
326 | args.include_tag = data->options.followtags; | |
327 | args.verbose = (transport->verbose > 1); | |
328 | args.quiet = (transport->verbose < 0); | |
329 | args.no_progress = !transport->progress; | |
330 | args.depth = data->options.depth; | |
331 | args.deepen_since = data->options.deepen_since; | |
332 | args.deepen_not = data->options.deepen_not; | |
333 | args.deepen_relative = data->options.deepen_relative; | |
334 | args.check_self_contained_and_connected = | |
335 | data->options.check_self_contained_and_connected; | |
336 | args.cloning = transport->cloning; | |
337 | args.update_shallow = data->options.update_shallow; | |
338 | args.from_promisor = data->options.from_promisor; | |
339 | args.no_dependents = data->options.no_dependents; | |
340 | args.filter_options = data->options.filter_options; | |
341 | args.stateless_rpc = transport->stateless_rpc; | |
342 | args.server_options = transport->server_options; | |
343 | args.negotiation_tips = data->options.negotiation_tips; | |
344 | ||
345 | if (!data->got_remote_heads) { | |
346 | int i; | |
347 | int must_list_refs = 0; | |
348 | for (i = 0; i < nr_heads; i++) { | |
349 | if (!to_fetch[i]->exact_oid) { | |
350 | must_list_refs = 1; | |
351 | break; | |
352 | } | |
353 | } | |
354 | refs_tmp = handshake(transport, 0, NULL, must_list_refs); | |
355 | } | |
356 | ||
357 | switch (data->version) { | |
358 | case protocol_v2: | |
359 | refs = fetch_pack(&args, data->fd, data->conn, | |
360 | refs_tmp ? refs_tmp : transport->remote_refs, | |
361 | dest, to_fetch, nr_heads, &data->shallow, | |
362 | &transport->pack_lockfile, data->version); | |
363 | break; | |
364 | case protocol_v1: | |
365 | case protocol_v0: | |
366 | refs = fetch_pack(&args, data->fd, data->conn, | |
367 | refs_tmp ? refs_tmp : transport->remote_refs, | |
368 | dest, to_fetch, nr_heads, &data->shallow, | |
369 | &transport->pack_lockfile, data->version); | |
370 | break; | |
371 | case protocol_unknown_version: | |
372 | BUG("unknown protocol version"); | |
373 | } | |
374 | ||
375 | close(data->fd[0]); | |
376 | close(data->fd[1]); | |
377 | if (finish_connect(data->conn)) | |
378 | ret = -1; | |
379 | data->conn = NULL; | |
380 | data->got_remote_heads = 0; | |
381 | data->options.self_contained_and_connected = | |
382 | args.self_contained_and_connected; | |
383 | data->options.connectivity_checked = args.connectivity_checked; | |
384 | ||
385 | if (refs == NULL) | |
386 | ret = -1; | |
387 | if (report_unmatched_refs(to_fetch, nr_heads)) | |
388 | ret = -1; | |
389 | ||
390 | free_refs(refs_tmp); | |
391 | free_refs(refs); | |
392 | free(dest); | |
393 | return ret; | |
394 | } | |
395 | ||
396 | static int push_had_errors(struct ref *ref) | |
397 | { | |
398 | for (; ref; ref = ref->next) { | |
399 | switch (ref->status) { | |
400 | case REF_STATUS_NONE: | |
401 | case REF_STATUS_UPTODATE: | |
402 | case REF_STATUS_OK: | |
403 | break; | |
404 | default: | |
405 | return 1; | |
406 | } | |
407 | } | |
408 | return 0; | |
409 | } | |
410 | ||
411 | int transport_refs_pushed(struct ref *ref) | |
412 | { | |
413 | for (; ref; ref = ref->next) { | |
414 | switch(ref->status) { | |
415 | case REF_STATUS_NONE: | |
416 | case REF_STATUS_UPTODATE: | |
417 | break; | |
418 | default: | |
419 | return 1; | |
420 | } | |
421 | } | |
422 | return 0; | |
423 | } | |
424 | ||
425 | void transport_update_tracking_ref(struct remote *remote, struct ref *ref, int verbose) | |
426 | { | |
427 | struct refspec_item rs; | |
428 | ||
429 | if (ref->status != REF_STATUS_OK && ref->status != REF_STATUS_UPTODATE) | |
430 | return; | |
431 | ||
432 | rs.src = ref->name; | |
433 | rs.dst = NULL; | |
434 | ||
435 | if (!remote_find_tracking(remote, &rs)) { | |
436 | if (verbose) | |
437 | fprintf(stderr, "updating local tracking ref '%s'\n", rs.dst); | |
438 | if (ref->deletion) { | |
439 | delete_ref(NULL, rs.dst, NULL, 0); | |
440 | } else | |
441 | update_ref("update by push", rs.dst, &ref->new_oid, | |
442 | NULL, 0, 0); | |
443 | free(rs.dst); | |
444 | } | |
445 | } | |
446 | ||
447 | static void print_ref_status(char flag, const char *summary, | |
448 | struct ref *to, struct ref *from, const char *msg, | |
449 | int porcelain, int summary_width) | |
450 | { | |
451 | if (porcelain) { | |
452 | if (from) | |
453 | fprintf(stdout, "%c\t%s:%s\t", flag, from->name, to->name); | |
454 | else | |
455 | fprintf(stdout, "%c\t:%s\t", flag, to->name); | |
456 | if (msg) | |
457 | fprintf(stdout, "%s (%s)\n", summary, msg); | |
458 | else | |
459 | fprintf(stdout, "%s\n", summary); | |
460 | } else { | |
461 | const char *red = "", *reset = ""; | |
462 | if (push_had_errors(to)) { | |
463 | red = transport_get_color(TRANSPORT_COLOR_REJECTED); | |
464 | reset = transport_get_color(TRANSPORT_COLOR_RESET); | |
465 | } | |
466 | fprintf(stderr, " %s%c %-*s%s ", red, flag, summary_width, | |
467 | summary, reset); | |
468 | if (from) | |
469 | fprintf(stderr, "%s -> %s", prettify_refname(from->name), prettify_refname(to->name)); | |
470 | else | |
471 | fputs(prettify_refname(to->name), stderr); | |
472 | if (msg) { | |
473 | fputs(" (", stderr); | |
474 | fputs(msg, stderr); | |
475 | fputc(')', stderr); | |
476 | } | |
477 | fputc('\n', stderr); | |
478 | } | |
479 | } | |
480 | ||
481 | static void print_ok_ref_status(struct ref *ref, int porcelain, int summary_width) | |
482 | { | |
483 | if (ref->deletion) | |
484 | print_ref_status('-', "[deleted]", ref, NULL, NULL, | |
485 | porcelain, summary_width); | |
486 | else if (is_null_oid(&ref->old_oid)) | |
487 | print_ref_status('*', | |
488 | (starts_with(ref->name, "refs/tags/") ? "[new tag]" : | |
489 | "[new branch]"), | |
490 | ref, ref->peer_ref, NULL, porcelain, summary_width); | |
491 | else { | |
492 | struct strbuf quickref = STRBUF_INIT; | |
493 | char type; | |
494 | const char *msg; | |
495 | ||
496 | strbuf_add_unique_abbrev(&quickref, &ref->old_oid, | |
497 | DEFAULT_ABBREV); | |
498 | if (ref->forced_update) { | |
499 | strbuf_addstr(&quickref, "..."); | |
500 | type = '+'; | |
501 | msg = "forced update"; | |
502 | } else { | |
503 | strbuf_addstr(&quickref, ".."); | |
504 | type = ' '; | |
505 | msg = NULL; | |
506 | } | |
507 | strbuf_add_unique_abbrev(&quickref, &ref->new_oid, | |
508 | DEFAULT_ABBREV); | |
509 | ||
510 | print_ref_status(type, quickref.buf, ref, ref->peer_ref, msg, | |
511 | porcelain, summary_width); | |
512 | strbuf_release(&quickref); | |
513 | } | |
514 | } | |
515 | ||
516 | static int print_one_push_status(struct ref *ref, const char *dest, int count, | |
517 | int porcelain, int summary_width) | |
518 | { | |
519 | if (!count) { | |
520 | char *url = transport_anonymize_url(dest); | |
521 | fprintf(porcelain ? stdout : stderr, "To %s\n", url); | |
522 | free(url); | |
523 | } | |
524 | ||
525 | switch(ref->status) { | |
526 | case REF_STATUS_NONE: | |
527 | print_ref_status('X', "[no match]", ref, NULL, NULL, | |
528 | porcelain, summary_width); | |
529 | break; | |
530 | case REF_STATUS_REJECT_NODELETE: | |
531 | print_ref_status('!', "[rejected]", ref, NULL, | |
532 | "remote does not support deleting refs", | |
533 | porcelain, summary_width); | |
534 | break; | |
535 | case REF_STATUS_UPTODATE: | |
536 | print_ref_status('=', "[up to date]", ref, | |
537 | ref->peer_ref, NULL, porcelain, summary_width); | |
538 | break; | |
539 | case REF_STATUS_REJECT_NONFASTFORWARD: | |
540 | print_ref_status('!', "[rejected]", ref, ref->peer_ref, | |
541 | "non-fast-forward", porcelain, summary_width); | |
542 | break; | |
543 | case REF_STATUS_REJECT_ALREADY_EXISTS: | |
544 | print_ref_status('!', "[rejected]", ref, ref->peer_ref, | |
545 | "already exists", porcelain, summary_width); | |
546 | break; | |
547 | case REF_STATUS_REJECT_FETCH_FIRST: | |
548 | print_ref_status('!', "[rejected]", ref, ref->peer_ref, | |
549 | "fetch first", porcelain, summary_width); | |
550 | break; | |
551 | case REF_STATUS_REJECT_NEEDS_FORCE: | |
552 | print_ref_status('!', "[rejected]", ref, ref->peer_ref, | |
553 | "needs force", porcelain, summary_width); | |
554 | break; | |
555 | case REF_STATUS_REJECT_STALE: | |
556 | print_ref_status('!', "[rejected]", ref, ref->peer_ref, | |
557 | "stale info", porcelain, summary_width); | |
558 | break; | |
559 | case REF_STATUS_REJECT_SHALLOW: | |
560 | print_ref_status('!', "[rejected]", ref, ref->peer_ref, | |
561 | "new shallow roots not allowed", | |
562 | porcelain, summary_width); | |
563 | break; | |
564 | case REF_STATUS_REMOTE_REJECT: | |
565 | print_ref_status('!', "[remote rejected]", ref, | |
566 | ref->deletion ? NULL : ref->peer_ref, | |
567 | ref->remote_status, porcelain, summary_width); | |
568 | break; | |
569 | case REF_STATUS_EXPECTING_REPORT: | |
570 | print_ref_status('!', "[remote failure]", ref, | |
571 | ref->deletion ? NULL : ref->peer_ref, | |
572 | "remote failed to report status", | |
573 | porcelain, summary_width); | |
574 | break; | |
575 | case REF_STATUS_ATOMIC_PUSH_FAILED: | |
576 | print_ref_status('!', "[rejected]", ref, ref->peer_ref, | |
577 | "atomic push failed", porcelain, summary_width); | |
578 | break; | |
579 | case REF_STATUS_OK: | |
580 | print_ok_ref_status(ref, porcelain, summary_width); | |
581 | break; | |
582 | } | |
583 | ||
584 | return 1; | |
585 | } | |
586 | ||
587 | static int measure_abbrev(const struct object_id *oid, int sofar) | |
588 | { | |
589 | char hex[GIT_MAX_HEXSZ + 1]; | |
590 | int w = find_unique_abbrev_r(hex, oid, DEFAULT_ABBREV); | |
591 | ||
592 | return (w < sofar) ? sofar : w; | |
593 | } | |
594 | ||
595 | int transport_summary_width(const struct ref *refs) | |
596 | { | |
597 | int maxw = -1; | |
598 | ||
599 | for (; refs; refs = refs->next) { | |
600 | maxw = measure_abbrev(&refs->old_oid, maxw); | |
601 | maxw = measure_abbrev(&refs->new_oid, maxw); | |
602 | } | |
603 | if (maxw < 0) | |
604 | maxw = FALLBACK_DEFAULT_ABBREV; | |
605 | return (2 * maxw + 3); | |
606 | } | |
607 | ||
608 | void transport_print_push_status(const char *dest, struct ref *refs, | |
609 | int verbose, int porcelain, unsigned int *reject_reasons) | |
610 | { | |
611 | struct ref *ref; | |
612 | int n = 0; | |
613 | char *head; | |
614 | int summary_width = transport_summary_width(refs); | |
615 | ||
616 | if (transport_color_config() < 0) | |
617 | warning(_("could not parse transport.color.* config")); | |
618 | ||
619 | head = resolve_refdup("HEAD", RESOLVE_REF_READING, NULL, NULL); | |
620 | ||
621 | if (verbose) { | |
622 | for (ref = refs; ref; ref = ref->next) | |
623 | if (ref->status == REF_STATUS_UPTODATE) | |
624 | n += print_one_push_status(ref, dest, n, | |
625 | porcelain, summary_width); | |
626 | } | |
627 | ||
628 | for (ref = refs; ref; ref = ref->next) | |
629 | if (ref->status == REF_STATUS_OK) | |
630 | n += print_one_push_status(ref, dest, n, | |
631 | porcelain, summary_width); | |
632 | ||
633 | *reject_reasons = 0; | |
634 | for (ref = refs; ref; ref = ref->next) { | |
635 | if (ref->status != REF_STATUS_NONE && | |
636 | ref->status != REF_STATUS_UPTODATE && | |
637 | ref->status != REF_STATUS_OK) | |
638 | n += print_one_push_status(ref, dest, n, | |
639 | porcelain, summary_width); | |
640 | if (ref->status == REF_STATUS_REJECT_NONFASTFORWARD) { | |
641 | if (head != NULL && !strcmp(head, ref->name)) | |
642 | *reject_reasons |= REJECT_NON_FF_HEAD; | |
643 | else | |
644 | *reject_reasons |= REJECT_NON_FF_OTHER; | |
645 | } else if (ref->status == REF_STATUS_REJECT_ALREADY_EXISTS) { | |
646 | *reject_reasons |= REJECT_ALREADY_EXISTS; | |
647 | } else if (ref->status == REF_STATUS_REJECT_FETCH_FIRST) { | |
648 | *reject_reasons |= REJECT_FETCH_FIRST; | |
649 | } else if (ref->status == REF_STATUS_REJECT_NEEDS_FORCE) { | |
650 | *reject_reasons |= REJECT_NEEDS_FORCE; | |
651 | } | |
652 | } | |
653 | free(head); | |
654 | } | |
655 | ||
656 | static int git_transport_push(struct transport *transport, struct ref *remote_refs, int flags) | |
657 | { | |
658 | struct git_transport_data *data = transport->data; | |
659 | struct send_pack_args args; | |
660 | int ret = 0; | |
661 | ||
662 | if (transport_color_config() < 0) | |
663 | return -1; | |
664 | ||
665 | if (!data->got_remote_heads) | |
666 | get_refs_via_connect(transport, 1, NULL); | |
667 | ||
668 | memset(&args, 0, sizeof(args)); | |
669 | args.send_mirror = !!(flags & TRANSPORT_PUSH_MIRROR); | |
670 | args.force_update = !!(flags & TRANSPORT_PUSH_FORCE); | |
671 | args.use_thin_pack = data->options.thin; | |
672 | args.verbose = (transport->verbose > 0); | |
673 | args.quiet = (transport->verbose < 0); | |
674 | args.progress = transport->progress; | |
675 | args.dry_run = !!(flags & TRANSPORT_PUSH_DRY_RUN); | |
676 | args.porcelain = !!(flags & TRANSPORT_PUSH_PORCELAIN); | |
677 | args.atomic = !!(flags & TRANSPORT_PUSH_ATOMIC); | |
678 | args.push_options = transport->push_options; | |
679 | args.url = transport->url; | |
680 | ||
681 | if (flags & TRANSPORT_PUSH_CERT_ALWAYS) | |
682 | args.push_cert = SEND_PACK_PUSH_CERT_ALWAYS; | |
683 | else if (flags & TRANSPORT_PUSH_CERT_IF_ASKED) | |
684 | args.push_cert = SEND_PACK_PUSH_CERT_IF_ASKED; | |
685 | else | |
686 | args.push_cert = SEND_PACK_PUSH_CERT_NEVER; | |
687 | ||
688 | switch (data->version) { | |
689 | case protocol_v2: | |
690 | die(_("support for protocol v2 not implemented yet")); | |
691 | break; | |
692 | case protocol_v1: | |
693 | case protocol_v0: | |
694 | ret = send_pack(&args, data->fd, data->conn, remote_refs, | |
695 | &data->extra_have); | |
696 | break; | |
697 | case protocol_unknown_version: | |
698 | BUG("unknown protocol version"); | |
699 | } | |
700 | ||
701 | close(data->fd[1]); | |
702 | close(data->fd[0]); | |
703 | ret |= finish_connect(data->conn); | |
704 | data->conn = NULL; | |
705 | data->got_remote_heads = 0; | |
706 | ||
707 | return ret; | |
708 | } | |
709 | ||
710 | static int connect_git(struct transport *transport, const char *name, | |
711 | const char *executable, int fd[2]) | |
712 | { | |
713 | struct git_transport_data *data = transport->data; | |
714 | data->conn = git_connect(data->fd, transport->url, | |
715 | executable, 0); | |
716 | fd[0] = data->fd[0]; | |
717 | fd[1] = data->fd[1]; | |
718 | return 0; | |
719 | } | |
720 | ||
721 | static int disconnect_git(struct transport *transport) | |
722 | { | |
723 | struct git_transport_data *data = transport->data; | |
724 | if (data->conn) { | |
725 | if (data->got_remote_heads) | |
726 | packet_flush(data->fd[1]); | |
727 | close(data->fd[0]); | |
728 | close(data->fd[1]); | |
729 | finish_connect(data->conn); | |
730 | } | |
731 | ||
732 | free(data); | |
733 | return 0; | |
734 | } | |
735 | ||
736 | static struct transport_vtable taken_over_vtable = { | |
737 | 1, | |
738 | NULL, | |
739 | get_refs_via_connect, | |
740 | fetch_refs_via_pack, | |
741 | git_transport_push, | |
742 | NULL, | |
743 | disconnect_git | |
744 | }; | |
745 | ||
746 | void transport_take_over(struct transport *transport, | |
747 | struct child_process *child) | |
748 | { | |
749 | struct git_transport_data *data; | |
750 | ||
751 | if (!transport->smart_options) | |
752 | BUG("taking over transport requires non-NULL " | |
753 | "smart_options field."); | |
754 | ||
755 | data = xcalloc(1, sizeof(*data)); | |
756 | data->options = *transport->smart_options; | |
757 | data->conn = child; | |
758 | data->fd[0] = data->conn->out; | |
759 | data->fd[1] = data->conn->in; | |
760 | data->got_remote_heads = 0; | |
761 | transport->data = data; | |
762 | ||
763 | transport->vtable = &taken_over_vtable; | |
764 | transport->smart_options = &(data->options); | |
765 | ||
766 | transport->cannot_reuse = 1; | |
767 | } | |
768 | ||
769 | static int is_file(const char *url) | |
770 | { | |
771 | struct stat buf; | |
772 | if (stat(url, &buf)) | |
773 | return 0; | |
774 | return S_ISREG(buf.st_mode); | |
775 | } | |
776 | ||
777 | static int external_specification_len(const char *url) | |
778 | { | |
779 | return strchr(url, ':') - url; | |
780 | } | |
781 | ||
782 | static const struct string_list *protocol_whitelist(void) | |
783 | { | |
784 | static int enabled = -1; | |
785 | static struct string_list allowed = STRING_LIST_INIT_DUP; | |
786 | ||
787 | if (enabled < 0) { | |
788 | const char *v = getenv("GIT_ALLOW_PROTOCOL"); | |
789 | if (v) { | |
790 | string_list_split(&allowed, v, ':', -1); | |
791 | string_list_sort(&allowed); | |
792 | enabled = 1; | |
793 | } else { | |
794 | enabled = 0; | |
795 | } | |
796 | } | |
797 | ||
798 | return enabled ? &allowed : NULL; | |
799 | } | |
800 | ||
801 | enum protocol_allow_config { | |
802 | PROTOCOL_ALLOW_NEVER = 0, | |
803 | PROTOCOL_ALLOW_USER_ONLY, | |
804 | PROTOCOL_ALLOW_ALWAYS | |
805 | }; | |
806 | ||
807 | static enum protocol_allow_config parse_protocol_config(const char *key, | |
808 | const char *value) | |
809 | { | |
810 | if (!strcasecmp(value, "always")) | |
811 | return PROTOCOL_ALLOW_ALWAYS; | |
812 | else if (!strcasecmp(value, "never")) | |
813 | return PROTOCOL_ALLOW_NEVER; | |
814 | else if (!strcasecmp(value, "user")) | |
815 | return PROTOCOL_ALLOW_USER_ONLY; | |
816 | ||
817 | die(_("unknown value for config '%s': %s"), key, value); | |
818 | } | |
819 | ||
820 | static enum protocol_allow_config get_protocol_config(const char *type) | |
821 | { | |
822 | char *key = xstrfmt("protocol.%s.allow", type); | |
823 | char *value; | |
824 | ||
825 | /* first check the per-protocol config */ | |
826 | if (!git_config_get_string(key, &value)) { | |
827 | enum protocol_allow_config ret = | |
828 | parse_protocol_config(key, value); | |
829 | free(key); | |
830 | free(value); | |
831 | return ret; | |
832 | } | |
833 | free(key); | |
834 | ||
835 | /* if defined, fallback to user-defined default for unknown protocols */ | |
836 | if (!git_config_get_string("protocol.allow", &value)) { | |
837 | enum protocol_allow_config ret = | |
838 | parse_protocol_config("protocol.allow", value); | |
839 | free(value); | |
840 | return ret; | |
841 | } | |
842 | ||
843 | /* fallback to built-in defaults */ | |
844 | /* known safe */ | |
845 | if (!strcmp(type, "http") || | |
846 | !strcmp(type, "https") || | |
847 | !strcmp(type, "git") || | |
848 | !strcmp(type, "ssh") || | |
849 | !strcmp(type, "file")) | |
850 | return PROTOCOL_ALLOW_ALWAYS; | |
851 | ||
852 | /* known scary; err on the side of caution */ | |
853 | if (!strcmp(type, "ext")) | |
854 | return PROTOCOL_ALLOW_NEVER; | |
855 | ||
856 | /* unknown; by default let them be used only directly by the user */ | |
857 | return PROTOCOL_ALLOW_USER_ONLY; | |
858 | } | |
859 | ||
860 | int is_transport_allowed(const char *type, int from_user) | |
861 | { | |
862 | const struct string_list *whitelist = protocol_whitelist(); | |
863 | if (whitelist) | |
864 | return string_list_has_string(whitelist, type); | |
865 | ||
866 | switch (get_protocol_config(type)) { | |
867 | case PROTOCOL_ALLOW_ALWAYS: | |
868 | return 1; | |
869 | case PROTOCOL_ALLOW_NEVER: | |
870 | return 0; | |
871 | case PROTOCOL_ALLOW_USER_ONLY: | |
872 | if (from_user < 0) | |
873 | from_user = git_env_bool("GIT_PROTOCOL_FROM_USER", 1); | |
874 | return from_user; | |
875 | } | |
876 | ||
877 | BUG("invalid protocol_allow_config type"); | |
878 | } | |
879 | ||
880 | void transport_check_allowed(const char *type) | |
881 | { | |
882 | if (!is_transport_allowed(type, -1)) | |
883 | die(_("transport '%s' not allowed"), type); | |
884 | } | |
885 | ||
886 | static struct transport_vtable bundle_vtable = { | |
887 | 0, | |
888 | NULL, | |
889 | get_refs_from_bundle, | |
890 | fetch_refs_from_bundle, | |
891 | NULL, | |
892 | NULL, | |
893 | close_bundle | |
894 | }; | |
895 | ||
896 | static struct transport_vtable builtin_smart_vtable = { | |
897 | 1, | |
898 | NULL, | |
899 | get_refs_via_connect, | |
900 | fetch_refs_via_pack, | |
901 | git_transport_push, | |
902 | connect_git, | |
903 | disconnect_git | |
904 | }; | |
905 | ||
906 | struct transport *transport_get(struct remote *remote, const char *url) | |
907 | { | |
908 | const char *helper; | |
909 | struct transport *ret = xcalloc(1, sizeof(*ret)); | |
910 | ||
911 | ret->progress = isatty(2); | |
912 | ||
913 | if (!remote) | |
914 | BUG("No remote provided to transport_get()"); | |
915 | ||
916 | ret->got_remote_refs = 0; | |
917 | ret->remote = remote; | |
918 | helper = remote->foreign_vcs; | |
919 | ||
920 | if (!url && remote->url) | |
921 | url = remote->url[0]; | |
922 | ret->url = url; | |
923 | ||
924 | /* maybe it is a foreign URL? */ | |
925 | if (url) { | |
926 | const char *p = url; | |
927 | ||
928 | while (is_urlschemechar(p == url, *p)) | |
929 | p++; | |
930 | if (starts_with(p, "::")) | |
931 | helper = xstrndup(url, p - url); | |
932 | } | |
933 | ||
934 | if (helper) { | |
935 | transport_helper_init(ret, helper); | |
936 | } else if (starts_with(url, "rsync:")) { | |
937 | die(_("git-over-rsync is no longer supported")); | |
938 | } else if (url_is_local_not_ssh(url) && is_file(url) && is_bundle(url, 1)) { | |
939 | struct bundle_transport_data *data = xcalloc(1, sizeof(*data)); | |
940 | transport_check_allowed("file"); | |
941 | ret->data = data; | |
942 | ret->vtable = &bundle_vtable; | |
943 | ret->smart_options = NULL; | |
944 | } else if (!is_url(url) | |
945 | || starts_with(url, "file://") | |
946 | || starts_with(url, "git://") | |
947 | || starts_with(url, "ssh://") | |
948 | || starts_with(url, "git+ssh://") /* deprecated - do not use */ | |
949 | || starts_with(url, "ssh+git://") /* deprecated - do not use */ | |
950 | ) { | |
951 | /* | |
952 | * These are builtin smart transports; "allowed" transports | |
953 | * will be checked individually in git_connect. | |
954 | */ | |
955 | struct git_transport_data *data = xcalloc(1, sizeof(*data)); | |
956 | ret->data = data; | |
957 | ret->vtable = &builtin_smart_vtable; | |
958 | ret->smart_options = &(data->options); | |
959 | ||
960 | data->conn = NULL; | |
961 | data->got_remote_heads = 0; | |
962 | } else { | |
963 | /* Unknown protocol in URL. Pass to external handler. */ | |
964 | int len = external_specification_len(url); | |
965 | char *handler = xmemdupz(url, len); | |
966 | transport_helper_init(ret, handler); | |
967 | } | |
968 | ||
969 | if (ret->smart_options) { | |
970 | ret->smart_options->thin = 1; | |
971 | ret->smart_options->uploadpack = "git-upload-pack"; | |
972 | if (remote->uploadpack) | |
973 | ret->smart_options->uploadpack = remote->uploadpack; | |
974 | ret->smart_options->receivepack = "git-receive-pack"; | |
975 | if (remote->receivepack) | |
976 | ret->smart_options->receivepack = remote->receivepack; | |
977 | } | |
978 | ||
979 | return ret; | |
980 | } | |
981 | ||
982 | int transport_set_option(struct transport *transport, | |
983 | const char *name, const char *value) | |
984 | { | |
985 | int git_reports = 1, protocol_reports = 1; | |
986 | ||
987 | if (transport->smart_options) | |
988 | git_reports = set_git_option(transport->smart_options, | |
989 | name, value); | |
990 | ||
991 | if (transport->vtable->set_option) | |
992 | protocol_reports = transport->vtable->set_option(transport, | |
993 | name, value); | |
994 | ||
995 | /* If either report is 0, report 0 (success). */ | |
996 | if (!git_reports || !protocol_reports) | |
997 | return 0; | |
998 | /* If either reports -1 (invalid value), report -1. */ | |
999 | if ((git_reports == -1) || (protocol_reports == -1)) | |
1000 | return -1; | |
1001 | /* Otherwise if both report unknown, report unknown. */ | |
1002 | return 1; | |
1003 | } | |
1004 | ||
1005 | void transport_set_verbosity(struct transport *transport, int verbosity, | |
1006 | int force_progress) | |
1007 | { | |
1008 | if (verbosity >= 1) | |
1009 | transport->verbose = verbosity <= 3 ? verbosity : 3; | |
1010 | if (verbosity < 0) | |
1011 | transport->verbose = -1; | |
1012 | ||
1013 | /** | |
1014 | * Rules used to determine whether to report progress (processing aborts | |
1015 | * when a rule is satisfied): | |
1016 | * | |
1017 | * . Report progress, if force_progress is 1 (ie. --progress). | |
1018 | * . Don't report progress, if force_progress is 0 (ie. --no-progress). | |
1019 | * . Don't report progress, if verbosity < 0 (ie. -q/--quiet ). | |
1020 | * . Report progress if isatty(2) is 1. | |
1021 | **/ | |
1022 | if (force_progress >= 0) | |
1023 | transport->progress = !!force_progress; | |
1024 | else | |
1025 | transport->progress = verbosity >= 0 && isatty(2); | |
1026 | } | |
1027 | ||
1028 | static void die_with_unpushed_submodules(struct string_list *needs_pushing) | |
1029 | { | |
1030 | int i; | |
1031 | ||
1032 | fprintf(stderr, _("The following submodule paths contain changes that can\n" | |
1033 | "not be found on any remote:\n")); | |
1034 | for (i = 0; i < needs_pushing->nr; i++) | |
1035 | fprintf(stderr, " %s\n", needs_pushing->items[i].string); | |
1036 | fprintf(stderr, _("\nPlease try\n\n" | |
1037 | " git push --recurse-submodules=on-demand\n\n" | |
1038 | "or cd to the path and use\n\n" | |
1039 | " git push\n\n" | |
1040 | "to push them to a remote.\n\n")); | |
1041 | ||
1042 | string_list_clear(needs_pushing, 0); | |
1043 | ||
1044 | die(_("Aborting.")); | |
1045 | } | |
1046 | ||
1047 | static int run_pre_push_hook(struct transport *transport, | |
1048 | struct ref *remote_refs) | |
1049 | { | |
1050 | int ret = 0, x; | |
1051 | struct ref *r; | |
1052 | struct child_process proc = CHILD_PROCESS_INIT; | |
1053 | struct strbuf buf; | |
1054 | const char *argv[4]; | |
1055 | ||
1056 | if (!(argv[0] = find_hook("pre-push"))) | |
1057 | return 0; | |
1058 | ||
1059 | argv[1] = transport->remote->name; | |
1060 | argv[2] = transport->url; | |
1061 | argv[3] = NULL; | |
1062 | ||
1063 | proc.argv = argv; | |
1064 | proc.in = -1; | |
1065 | proc.trace2_hook_name = "pre-push"; | |
1066 | ||
1067 | if (start_command(&proc)) { | |
1068 | finish_command(&proc); | |
1069 | return -1; | |
1070 | } | |
1071 | ||
1072 | sigchain_push(SIGPIPE, SIG_IGN); | |
1073 | ||
1074 | strbuf_init(&buf, 256); | |
1075 | ||
1076 | for (r = remote_refs; r; r = r->next) { | |
1077 | if (!r->peer_ref) continue; | |
1078 | if (r->status == REF_STATUS_REJECT_NONFASTFORWARD) continue; | |
1079 | if (r->status == REF_STATUS_REJECT_STALE) continue; | |
1080 | if (r->status == REF_STATUS_UPTODATE) continue; | |
1081 | ||
1082 | strbuf_reset(&buf); | |
1083 | strbuf_addf( &buf, "%s %s %s %s\n", | |
1084 | r->peer_ref->name, oid_to_hex(&r->new_oid), | |
1085 | r->name, oid_to_hex(&r->old_oid)); | |
1086 | ||
1087 | if (write_in_full(proc.in, buf.buf, buf.len) < 0) { | |
1088 | /* We do not mind if a hook does not read all refs. */ | |
1089 | if (errno != EPIPE) | |
1090 | ret = -1; | |
1091 | break; | |
1092 | } | |
1093 | } | |
1094 | ||
1095 | strbuf_release(&buf); | |
1096 | ||
1097 | x = close(proc.in); | |
1098 | if (!ret) | |
1099 | ret = x; | |
1100 | ||
1101 | sigchain_pop(SIGPIPE); | |
1102 | ||
1103 | x = finish_command(&proc); | |
1104 | if (!ret) | |
1105 | ret = x; | |
1106 | ||
1107 | return ret; | |
1108 | } | |
1109 | ||
1110 | int transport_push(struct repository *r, | |
1111 | struct transport *transport, | |
1112 | struct refspec *rs, int flags, | |
1113 | unsigned int *reject_reasons) | |
1114 | { | |
1115 | *reject_reasons = 0; | |
1116 | ||
1117 | if (transport_color_config() < 0) | |
1118 | return -1; | |
1119 | ||
1120 | if (transport->vtable->push_refs) { | |
1121 | struct ref *remote_refs; | |
1122 | struct ref *local_refs = get_local_heads(); | |
1123 | int match_flags = MATCH_REFS_NONE; | |
1124 | int verbose = (transport->verbose > 0); | |
1125 | int quiet = (transport->verbose < 0); | |
1126 | int porcelain = flags & TRANSPORT_PUSH_PORCELAIN; | |
1127 | int pretend = flags & TRANSPORT_PUSH_DRY_RUN; | |
1128 | int push_ret, ret, err; | |
1129 | struct argv_array ref_prefixes = ARGV_ARRAY_INIT; | |
1130 | ||
1131 | if (check_push_refs(local_refs, rs) < 0) | |
1132 | return -1; | |
1133 | ||
1134 | refspec_ref_prefixes(rs, &ref_prefixes); | |
1135 | ||
1136 | remote_refs = transport->vtable->get_refs_list(transport, 1, | |
1137 | &ref_prefixes); | |
1138 | ||
1139 | argv_array_clear(&ref_prefixes); | |
1140 | ||
1141 | if (flags & TRANSPORT_PUSH_ALL) | |
1142 | match_flags |= MATCH_REFS_ALL; | |
1143 | if (flags & TRANSPORT_PUSH_MIRROR) | |
1144 | match_flags |= MATCH_REFS_MIRROR; | |
1145 | if (flags & TRANSPORT_PUSH_PRUNE) | |
1146 | match_flags |= MATCH_REFS_PRUNE; | |
1147 | if (flags & TRANSPORT_PUSH_FOLLOW_TAGS) | |
1148 | match_flags |= MATCH_REFS_FOLLOW_TAGS; | |
1149 | ||
1150 | if (match_push_refs(local_refs, &remote_refs, rs, match_flags)) | |
1151 | return -1; | |
1152 | ||
1153 | if (transport->smart_options && | |
1154 | transport->smart_options->cas && | |
1155 | !is_empty_cas(transport->smart_options->cas)) | |
1156 | apply_push_cas(transport->smart_options->cas, | |
1157 | transport->remote, remote_refs); | |
1158 | ||
1159 | set_ref_status_for_push(remote_refs, | |
1160 | flags & TRANSPORT_PUSH_MIRROR, | |
1161 | flags & TRANSPORT_PUSH_FORCE); | |
1162 | ||
1163 | if (!(flags & TRANSPORT_PUSH_NO_HOOK)) | |
1164 | if (run_pre_push_hook(transport, remote_refs)) | |
1165 | return -1; | |
1166 | ||
1167 | if ((flags & (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND | | |
1168 | TRANSPORT_RECURSE_SUBMODULES_ONLY)) && | |
1169 | !is_bare_repository()) { | |
1170 | struct ref *ref = remote_refs; | |
1171 | struct oid_array commits = OID_ARRAY_INIT; | |
1172 | ||
1173 | for (; ref; ref = ref->next) | |
1174 | if (!is_null_oid(&ref->new_oid)) | |
1175 | oid_array_append(&commits, | |
1176 | &ref->new_oid); | |
1177 | ||
1178 | if (!push_unpushed_submodules(r, | |
1179 | &commits, | |
1180 | transport->remote, | |
1181 | rs, | |
1182 | transport->push_options, | |
1183 | pretend)) { | |
1184 | oid_array_clear(&commits); | |
1185 | die(_("failed to push all needed submodules")); | |
1186 | } | |
1187 | oid_array_clear(&commits); | |
1188 | } | |
1189 | ||
1190 | if (((flags & TRANSPORT_RECURSE_SUBMODULES_CHECK) || | |
1191 | ((flags & (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND | | |
1192 | TRANSPORT_RECURSE_SUBMODULES_ONLY)) && | |
1193 | !pretend)) && !is_bare_repository()) { | |
1194 | struct ref *ref = remote_refs; | |
1195 | struct string_list needs_pushing = STRING_LIST_INIT_DUP; | |
1196 | struct oid_array commits = OID_ARRAY_INIT; | |
1197 | ||
1198 | for (; ref; ref = ref->next) | |
1199 | if (!is_null_oid(&ref->new_oid)) | |
1200 | oid_array_append(&commits, | |
1201 | &ref->new_oid); | |
1202 | ||
1203 | if (find_unpushed_submodules(r, | |
1204 | &commits, | |
1205 | transport->remote->name, | |
1206 | &needs_pushing)) { | |
1207 | oid_array_clear(&commits); | |
1208 | die_with_unpushed_submodules(&needs_pushing); | |
1209 | } | |
1210 | string_list_clear(&needs_pushing, 0); | |
1211 | oid_array_clear(&commits); | |
1212 | } | |
1213 | ||
1214 | if (!(flags & TRANSPORT_RECURSE_SUBMODULES_ONLY)) | |
1215 | push_ret = transport->vtable->push_refs(transport, remote_refs, flags); | |
1216 | else | |
1217 | push_ret = 0; | |
1218 | err = push_had_errors(remote_refs); | |
1219 | ret = push_ret | err; | |
1220 | ||
1221 | if (!quiet || err) | |
1222 | transport_print_push_status(transport->url, remote_refs, | |
1223 | verbose | porcelain, porcelain, | |
1224 | reject_reasons); | |
1225 | ||
1226 | if (flags & TRANSPORT_PUSH_SET_UPSTREAM) | |
1227 | set_upstreams(transport, remote_refs, pretend); | |
1228 | ||
1229 | if (!(flags & (TRANSPORT_PUSH_DRY_RUN | | |
1230 | TRANSPORT_RECURSE_SUBMODULES_ONLY))) { | |
1231 | struct ref *ref; | |
1232 | for (ref = remote_refs; ref; ref = ref->next) | |
1233 | transport_update_tracking_ref(transport->remote, ref, verbose); | |
1234 | } | |
1235 | ||
1236 | if (porcelain && !push_ret) | |
1237 | puts("Done"); | |
1238 | else if (!quiet && !ret && !transport_refs_pushed(remote_refs)) | |
1239 | fprintf(stderr, "Everything up-to-date\n"); | |
1240 | ||
1241 | return ret; | |
1242 | } | |
1243 | return 1; | |
1244 | } | |
1245 | ||
1246 | const struct ref *transport_get_remote_refs(struct transport *transport, | |
1247 | const struct argv_array *ref_prefixes) | |
1248 | { | |
1249 | if (!transport->got_remote_refs) { | |
1250 | transport->remote_refs = | |
1251 | transport->vtable->get_refs_list(transport, 0, | |
1252 | ref_prefixes); | |
1253 | transport->got_remote_refs = 1; | |
1254 | } | |
1255 | ||
1256 | return transport->remote_refs; | |
1257 | } | |
1258 | ||
1259 | int transport_fetch_refs(struct transport *transport, struct ref *refs) | |
1260 | { | |
1261 | int rc; | |
1262 | int nr_heads = 0, nr_alloc = 0, nr_refs = 0; | |
1263 | struct ref **heads = NULL; | |
1264 | struct ref *rm; | |
1265 | ||
1266 | if (!transport->vtable->fetch_without_list) | |
1267 | /* | |
1268 | * Some transports (e.g. the built-in bundle transport and the | |
1269 | * transport helper interface) do not work when fetching is | |
1270 | * done immediately after transport creation. List the remote | |
1271 | * refs anyway (if not already listed) as a workaround. | |
1272 | */ | |
1273 | transport_get_remote_refs(transport, NULL); | |
1274 | ||
1275 | for (rm = refs; rm; rm = rm->next) { | |
1276 | nr_refs++; | |
1277 | if (rm->peer_ref && | |
1278 | !is_null_oid(&rm->old_oid) && | |
1279 | oideq(&rm->peer_ref->old_oid, &rm->old_oid)) | |
1280 | continue; | |
1281 | ALLOC_GROW(heads, nr_heads + 1, nr_alloc); | |
1282 | heads[nr_heads++] = rm; | |
1283 | } | |
1284 | ||
1285 | if (!nr_heads) { | |
1286 | /* | |
1287 | * When deepening of a shallow repository is requested, | |
1288 | * then local and remote refs are likely to still be equal. | |
1289 | * Just feed them all to the fetch method in that case. | |
1290 | * This condition shouldn't be met in a non-deepening fetch | |
1291 | * (see builtin/fetch.c:quickfetch()). | |
1292 | */ | |
1293 | ALLOC_ARRAY(heads, nr_refs); | |
1294 | for (rm = refs; rm; rm = rm->next) | |
1295 | heads[nr_heads++] = rm; | |
1296 | } | |
1297 | ||
1298 | rc = transport->vtable->fetch(transport, nr_heads, heads); | |
1299 | ||
1300 | free(heads); | |
1301 | return rc; | |
1302 | } | |
1303 | ||
1304 | void transport_unlock_pack(struct transport *transport) | |
1305 | { | |
1306 | if (transport->pack_lockfile) { | |
1307 | unlink_or_warn(transport->pack_lockfile); | |
1308 | FREE_AND_NULL(transport->pack_lockfile); | |
1309 | } | |
1310 | } | |
1311 | ||
1312 | int transport_connect(struct transport *transport, const char *name, | |
1313 | const char *exec, int fd[2]) | |
1314 | { | |
1315 | if (transport->vtable->connect) | |
1316 | return transport->vtable->connect(transport, name, exec, fd); | |
1317 | else | |
1318 | die(_("operation not supported by protocol")); | |
1319 | } | |
1320 | ||
1321 | int transport_disconnect(struct transport *transport) | |
1322 | { | |
1323 | int ret = 0; | |
1324 | if (transport->vtable->disconnect) | |
1325 | ret = transport->vtable->disconnect(transport); | |
1326 | free(transport); | |
1327 | return ret; | |
1328 | } | |
1329 | ||
1330 | /* | |
1331 | * Strip username (and password) from a URL and return | |
1332 | * it in a newly allocated string. | |
1333 | */ | |
1334 | char *transport_anonymize_url(const char *url) | |
1335 | { | |
1336 | char *scheme_prefix, *anon_part; | |
1337 | size_t anon_len, prefix_len = 0; | |
1338 | ||
1339 | anon_part = strchr(url, '@'); | |
1340 | if (url_is_local_not_ssh(url) || !anon_part) | |
1341 | goto literal_copy; | |
1342 | ||
1343 | anon_len = strlen(++anon_part); | |
1344 | scheme_prefix = strstr(url, "://"); | |
1345 | if (!scheme_prefix) { | |
1346 | if (!strchr(anon_part, ':')) | |
1347 | /* cannot be "me@there:/path/name" */ | |
1348 | goto literal_copy; | |
1349 | } else { | |
1350 | const char *cp; | |
1351 | /* make sure scheme is reasonable */ | |
1352 | for (cp = url; cp < scheme_prefix; cp++) { | |
1353 | switch (*cp) { | |
1354 | /* RFC 1738 2.1 */ | |
1355 | case '+': case '.': case '-': | |
1356 | break; /* ok */ | |
1357 | default: | |
1358 | if (isalnum(*cp)) | |
1359 | break; | |
1360 | /* it isn't */ | |
1361 | goto literal_copy; | |
1362 | } | |
1363 | } | |
1364 | /* @ past the first slash does not count */ | |
1365 | cp = strchr(scheme_prefix + 3, '/'); | |
1366 | if (cp && cp < anon_part) | |
1367 | goto literal_copy; | |
1368 | prefix_len = scheme_prefix - url + 3; | |
1369 | } | |
1370 | return xstrfmt("%.*s%.*s", (int)prefix_len, url, | |
1371 | (int)anon_len, anon_part); | |
1372 | literal_copy: | |
1373 | return xstrdup(url); | |
1374 | } | |
1375 | ||
1376 | static void fill_alternate_refs_command(struct child_process *cmd, | |
1377 | const char *repo_path) | |
1378 | { | |
1379 | const char *value; | |
1380 | ||
1381 | if (!git_config_get_value("core.alternateRefsCommand", &value)) { | |
1382 | cmd->use_shell = 1; | |
1383 | ||
1384 | argv_array_push(&cmd->args, value); | |
1385 | argv_array_push(&cmd->args, repo_path); | |
1386 | } else { | |
1387 | cmd->git_cmd = 1; | |
1388 | ||
1389 | argv_array_pushf(&cmd->args, "--git-dir=%s", repo_path); | |
1390 | argv_array_push(&cmd->args, "for-each-ref"); | |
1391 | argv_array_push(&cmd->args, "--format=%(objectname)"); | |
1392 | ||
1393 | if (!git_config_get_value("core.alternateRefsPrefixes", &value)) { | |
1394 | argv_array_push(&cmd->args, "--"); | |
1395 | argv_array_split(&cmd->args, value); | |
1396 | } | |
1397 | } | |
1398 | ||
1399 | cmd->env = local_repo_env; | |
1400 | cmd->out = -1; | |
1401 | } | |
1402 | ||
1403 | static void read_alternate_refs(const char *path, | |
1404 | alternate_ref_fn *cb, | |
1405 | void *data) | |
1406 | { | |
1407 | struct child_process cmd = CHILD_PROCESS_INIT; | |
1408 | struct strbuf line = STRBUF_INIT; | |
1409 | FILE *fh; | |
1410 | ||
1411 | fill_alternate_refs_command(&cmd, path); | |
1412 | ||
1413 | if (start_command(&cmd)) | |
1414 | return; | |
1415 | ||
1416 | fh = xfdopen(cmd.out, "r"); | |
1417 | while (strbuf_getline_lf(&line, fh) != EOF) { | |
1418 | struct object_id oid; | |
1419 | const char *p; | |
1420 | ||
1421 | if (parse_oid_hex(line.buf, &oid, &p) || *p) { | |
1422 | warning(_("invalid line while parsing alternate refs: %s"), | |
1423 | line.buf); | |
1424 | break; | |
1425 | } | |
1426 | ||
1427 | cb(&oid, data); | |
1428 | } | |
1429 | ||
1430 | fclose(fh); | |
1431 | finish_command(&cmd); | |
1432 | } | |
1433 | ||
1434 | struct alternate_refs_data { | |
1435 | alternate_ref_fn *fn; | |
1436 | void *data; | |
1437 | }; | |
1438 | ||
1439 | static int refs_from_alternate_cb(struct object_directory *e, | |
1440 | void *data) | |
1441 | { | |
1442 | struct strbuf path = STRBUF_INIT; | |
1443 | size_t base_len; | |
1444 | struct alternate_refs_data *cb = data; | |
1445 | ||
1446 | if (!strbuf_realpath(&path, e->path, 0)) | |
1447 | goto out; | |
1448 | if (!strbuf_strip_suffix(&path, "/objects")) | |
1449 | goto out; | |
1450 | base_len = path.len; | |
1451 | ||
1452 | /* Is this a git repository with refs? */ | |
1453 | strbuf_addstr(&path, "/refs"); | |
1454 | if (!is_directory(path.buf)) | |
1455 | goto out; | |
1456 | strbuf_setlen(&path, base_len); | |
1457 | ||
1458 | read_alternate_refs(path.buf, cb->fn, cb->data); | |
1459 | ||
1460 | out: | |
1461 | strbuf_release(&path); | |
1462 | return 0; | |
1463 | } | |
1464 | ||
1465 | void for_each_alternate_ref(alternate_ref_fn fn, void *data) | |
1466 | { | |
1467 | struct alternate_refs_data cb; | |
1468 | cb.fn = fn; | |
1469 | cb.data = data; | |
1470 | foreach_alt_odb(refs_from_alternate_cb, &cb); | |
1471 | } |