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1 | #include "builtin.h" | |
2 | #include "config.h" | |
3 | #include "commit.h" | |
4 | #include "refs.h" | |
5 | #include "pkt-line.h" | |
6 | #include "sideband.h" | |
7 | #include "run-command.h" | |
8 | #include "remote.h" | |
9 | #include "connect.h" | |
10 | #include "send-pack.h" | |
11 | #include "quote.h" | |
12 | #include "transport.h" | |
13 | #include "version.h" | |
14 | #include "sha1-array.h" | |
15 | #include "gpg-interface.h" | |
16 | #include "cache.h" | |
17 | ||
18 | int option_parse_push_signed(const struct option *opt, | |
19 | const char *arg, int unset) | |
20 | { | |
21 | if (unset) { | |
22 | *(int *)(opt->value) = SEND_PACK_PUSH_CERT_NEVER; | |
23 | return 0; | |
24 | } | |
25 | switch (git_parse_maybe_bool(arg)) { | |
26 | case 1: | |
27 | *(int *)(opt->value) = SEND_PACK_PUSH_CERT_ALWAYS; | |
28 | return 0; | |
29 | case 0: | |
30 | *(int *)(opt->value) = SEND_PACK_PUSH_CERT_NEVER; | |
31 | return 0; | |
32 | } | |
33 | if (!strcasecmp("if-asked", arg)) { | |
34 | *(int *)(opt->value) = SEND_PACK_PUSH_CERT_IF_ASKED; | |
35 | return 0; | |
36 | } | |
37 | die("bad %s argument: %s", opt->long_name, arg); | |
38 | } | |
39 | ||
40 | static void feed_object(const unsigned char *sha1, FILE *fh, int negative) | |
41 | { | |
42 | if (negative && !has_sha1_file(sha1)) | |
43 | return; | |
44 | ||
45 | if (negative) | |
46 | putc('^', fh); | |
47 | fputs(sha1_to_hex(sha1), fh); | |
48 | putc('\n', fh); | |
49 | } | |
50 | ||
51 | /* | |
52 | * Make a pack stream and spit it out into file descriptor fd | |
53 | */ | |
54 | static int pack_objects(int fd, struct ref *refs, struct oid_array *extra, struct send_pack_args *args) | |
55 | { | |
56 | /* | |
57 | * The child becomes pack-objects --revs; we feed | |
58 | * the revision parameters to it via its stdin and | |
59 | * let its stdout go back to the other end. | |
60 | */ | |
61 | const char *argv[] = { | |
62 | "pack-objects", | |
63 | "--all-progress-implied", | |
64 | "--revs", | |
65 | "--stdout", | |
66 | NULL, | |
67 | NULL, | |
68 | NULL, | |
69 | NULL, | |
70 | NULL, | |
71 | NULL, | |
72 | }; | |
73 | struct child_process po = CHILD_PROCESS_INIT; | |
74 | FILE *po_in; | |
75 | int i; | |
76 | int rc; | |
77 | ||
78 | i = 4; | |
79 | if (args->use_thin_pack) | |
80 | argv[i++] = "--thin"; | |
81 | if (args->use_ofs_delta) | |
82 | argv[i++] = "--delta-base-offset"; | |
83 | if (args->quiet || !args->progress) | |
84 | argv[i++] = "-q"; | |
85 | if (args->progress) | |
86 | argv[i++] = "--progress"; | |
87 | if (is_repository_shallow()) | |
88 | argv[i++] = "--shallow"; | |
89 | po.argv = argv; | |
90 | po.in = -1; | |
91 | po.out = args->stateless_rpc ? -1 : fd; | |
92 | po.git_cmd = 1; | |
93 | if (start_command(&po)) | |
94 | die_errno("git pack-objects failed"); | |
95 | ||
96 | /* | |
97 | * We feed the pack-objects we just spawned with revision | |
98 | * parameters by writing to the pipe. | |
99 | */ | |
100 | po_in = xfdopen(po.in, "w"); | |
101 | for (i = 0; i < extra->nr; i++) | |
102 | feed_object(extra->oid[i].hash, po_in, 1); | |
103 | ||
104 | while (refs) { | |
105 | if (!is_null_oid(&refs->old_oid)) | |
106 | feed_object(refs->old_oid.hash, po_in, 1); | |
107 | if (!is_null_oid(&refs->new_oid)) | |
108 | feed_object(refs->new_oid.hash, po_in, 0); | |
109 | refs = refs->next; | |
110 | } | |
111 | ||
112 | fflush(po_in); | |
113 | if (ferror(po_in)) | |
114 | die_errno("error writing to pack-objects"); | |
115 | fclose(po_in); | |
116 | ||
117 | if (args->stateless_rpc) { | |
118 | char *buf = xmalloc(LARGE_PACKET_MAX); | |
119 | while (1) { | |
120 | ssize_t n = xread(po.out, buf, LARGE_PACKET_MAX); | |
121 | if (n <= 0) | |
122 | break; | |
123 | send_sideband(fd, -1, buf, n, LARGE_PACKET_MAX); | |
124 | } | |
125 | free(buf); | |
126 | close(po.out); | |
127 | po.out = -1; | |
128 | } | |
129 | ||
130 | rc = finish_command(&po); | |
131 | if (rc) { | |
132 | /* | |
133 | * For a normal non-zero exit, we assume pack-objects wrote | |
134 | * something useful to stderr. For death by signal, though, | |
135 | * we should mention it to the user. The exception is SIGPIPE | |
136 | * (141), because that's a normal occurrence if the remote end | |
137 | * hangs up (and we'll report that by trying to read the unpack | |
138 | * status). | |
139 | */ | |
140 | if (rc > 128 && rc != 141) | |
141 | error("pack-objects died of signal %d", rc - 128); | |
142 | return -1; | |
143 | } | |
144 | return 0; | |
145 | } | |
146 | ||
147 | static int receive_unpack_status(int in) | |
148 | { | |
149 | const char *line = packet_read_line(in, NULL); | |
150 | if (!skip_prefix(line, "unpack ", &line)) | |
151 | return error(_("unable to parse remote unpack status: %s"), line); | |
152 | if (strcmp(line, "ok")) | |
153 | return error(_("remote unpack failed: %s"), line); | |
154 | return 0; | |
155 | } | |
156 | ||
157 | static int receive_status(int in, struct ref *refs) | |
158 | { | |
159 | struct ref *hint; | |
160 | int ret; | |
161 | ||
162 | hint = NULL; | |
163 | ret = receive_unpack_status(in); | |
164 | while (1) { | |
165 | char *refname; | |
166 | char *msg; | |
167 | char *line = packet_read_line(in, NULL); | |
168 | if (!line) | |
169 | break; | |
170 | if (!starts_with(line, "ok ") && !starts_with(line, "ng ")) { | |
171 | error("invalid ref status from remote: %s", line); | |
172 | ret = -1; | |
173 | break; | |
174 | } | |
175 | ||
176 | refname = line + 3; | |
177 | msg = strchr(refname, ' '); | |
178 | if (msg) | |
179 | *msg++ = '\0'; | |
180 | ||
181 | /* first try searching at our hint, falling back to all refs */ | |
182 | if (hint) | |
183 | hint = find_ref_by_name(hint, refname); | |
184 | if (!hint) | |
185 | hint = find_ref_by_name(refs, refname); | |
186 | if (!hint) { | |
187 | warning("remote reported status on unknown ref: %s", | |
188 | refname); | |
189 | continue; | |
190 | } | |
191 | if (hint->status != REF_STATUS_EXPECTING_REPORT) { | |
192 | warning("remote reported status on unexpected ref: %s", | |
193 | refname); | |
194 | continue; | |
195 | } | |
196 | ||
197 | if (line[0] == 'o' && line[1] == 'k') | |
198 | hint->status = REF_STATUS_OK; | |
199 | else { | |
200 | hint->status = REF_STATUS_REMOTE_REJECT; | |
201 | ret = -1; | |
202 | } | |
203 | hint->remote_status = xstrdup_or_null(msg); | |
204 | /* start our next search from the next ref */ | |
205 | hint = hint->next; | |
206 | } | |
207 | return ret; | |
208 | } | |
209 | ||
210 | static int sideband_demux(int in, int out, void *data) | |
211 | { | |
212 | int *fd = data, ret; | |
213 | #ifdef NO_PTHREADS | |
214 | close(fd[1]); | |
215 | #endif | |
216 | ret = recv_sideband("send-pack", fd[0], out); | |
217 | close(out); | |
218 | return ret; | |
219 | } | |
220 | ||
221 | static int advertise_shallow_grafts_cb(const struct commit_graft *graft, void *cb) | |
222 | { | |
223 | struct strbuf *sb = cb; | |
224 | if (graft->nr_parent == -1) | |
225 | packet_buf_write(sb, "shallow %s\n", oid_to_hex(&graft->oid)); | |
226 | return 0; | |
227 | } | |
228 | ||
229 | static void advertise_shallow_grafts_buf(struct strbuf *sb) | |
230 | { | |
231 | if (!is_repository_shallow()) | |
232 | return; | |
233 | for_each_commit_graft(advertise_shallow_grafts_cb, sb); | |
234 | } | |
235 | ||
236 | #define CHECK_REF_NO_PUSH -1 | |
237 | #define CHECK_REF_STATUS_REJECTED -2 | |
238 | #define CHECK_REF_UPTODATE -3 | |
239 | static int check_to_send_update(const struct ref *ref, const struct send_pack_args *args) | |
240 | { | |
241 | if (!ref->peer_ref && !args->send_mirror) | |
242 | return CHECK_REF_NO_PUSH; | |
243 | ||
244 | /* Check for statuses set by set_ref_status_for_push() */ | |
245 | switch (ref->status) { | |
246 | case REF_STATUS_REJECT_NONFASTFORWARD: | |
247 | case REF_STATUS_REJECT_ALREADY_EXISTS: | |
248 | case REF_STATUS_REJECT_FETCH_FIRST: | |
249 | case REF_STATUS_REJECT_NEEDS_FORCE: | |
250 | case REF_STATUS_REJECT_STALE: | |
251 | case REF_STATUS_REJECT_NODELETE: | |
252 | return CHECK_REF_STATUS_REJECTED; | |
253 | case REF_STATUS_UPTODATE: | |
254 | return CHECK_REF_UPTODATE; | |
255 | default: | |
256 | return 0; | |
257 | } | |
258 | } | |
259 | ||
260 | /* | |
261 | * the beginning of the next line, or the end of buffer. | |
262 | * | |
263 | * NEEDSWORK: perhaps move this to git-compat-util.h or somewhere and | |
264 | * convert many similar uses found by "git grep -A4 memchr". | |
265 | */ | |
266 | static const char *next_line(const char *line, size_t len) | |
267 | { | |
268 | const char *nl = memchr(line, '\n', len); | |
269 | if (!nl) | |
270 | return line + len; /* incomplete line */ | |
271 | return nl + 1; | |
272 | } | |
273 | ||
274 | static int generate_push_cert(struct strbuf *req_buf, | |
275 | const struct ref *remote_refs, | |
276 | struct send_pack_args *args, | |
277 | const char *cap_string, | |
278 | const char *push_cert_nonce) | |
279 | { | |
280 | const struct ref *ref; | |
281 | struct string_list_item *item; | |
282 | char *signing_key = xstrdup(get_signing_key()); | |
283 | const char *cp, *np; | |
284 | struct strbuf cert = STRBUF_INIT; | |
285 | int update_seen = 0; | |
286 | ||
287 | strbuf_addstr(&cert, "certificate version 0.1\n"); | |
288 | strbuf_addf(&cert, "pusher %s ", signing_key); | |
289 | datestamp(&cert); | |
290 | strbuf_addch(&cert, '\n'); | |
291 | if (args->url && *args->url) { | |
292 | char *anon_url = transport_anonymize_url(args->url); | |
293 | strbuf_addf(&cert, "pushee %s\n", anon_url); | |
294 | free(anon_url); | |
295 | } | |
296 | if (push_cert_nonce[0]) | |
297 | strbuf_addf(&cert, "nonce %s\n", push_cert_nonce); | |
298 | if (args->push_options) | |
299 | for_each_string_list_item(item, args->push_options) | |
300 | strbuf_addf(&cert, "push-option %s\n", item->string); | |
301 | strbuf_addstr(&cert, "\n"); | |
302 | ||
303 | for (ref = remote_refs; ref; ref = ref->next) { | |
304 | if (check_to_send_update(ref, args) < 0) | |
305 | continue; | |
306 | update_seen = 1; | |
307 | strbuf_addf(&cert, "%s %s %s\n", | |
308 | oid_to_hex(&ref->old_oid), | |
309 | oid_to_hex(&ref->new_oid), | |
310 | ref->name); | |
311 | } | |
312 | if (!update_seen) | |
313 | goto free_return; | |
314 | ||
315 | if (sign_buffer(&cert, &cert, signing_key)) | |
316 | die(_("failed to sign the push certificate")); | |
317 | ||
318 | packet_buf_write(req_buf, "push-cert%c%s", 0, cap_string); | |
319 | for (cp = cert.buf; cp < cert.buf + cert.len; cp = np) { | |
320 | np = next_line(cp, cert.buf + cert.len - cp); | |
321 | packet_buf_write(req_buf, | |
322 | "%.*s", (int)(np - cp), cp); | |
323 | } | |
324 | packet_buf_write(req_buf, "push-cert-end\n"); | |
325 | ||
326 | free_return: | |
327 | free(signing_key); | |
328 | strbuf_release(&cert); | |
329 | return update_seen; | |
330 | } | |
331 | ||
332 | ||
333 | static int atomic_push_failure(struct send_pack_args *args, | |
334 | struct ref *remote_refs, | |
335 | struct ref *failing_ref) | |
336 | { | |
337 | struct ref *ref; | |
338 | /* Mark other refs as failed */ | |
339 | for (ref = remote_refs; ref; ref = ref->next) { | |
340 | if (!ref->peer_ref && !args->send_mirror) | |
341 | continue; | |
342 | ||
343 | switch (ref->status) { | |
344 | case REF_STATUS_EXPECTING_REPORT: | |
345 | ref->status = REF_STATUS_ATOMIC_PUSH_FAILED; | |
346 | continue; | |
347 | default: | |
348 | break; /* do nothing */ | |
349 | } | |
350 | } | |
351 | return error("atomic push failed for ref %s. status: %d\n", | |
352 | failing_ref->name, failing_ref->status); | |
353 | } | |
354 | ||
355 | #define NONCE_LEN_LIMIT 256 | |
356 | ||
357 | static void reject_invalid_nonce(const char *nonce, int len) | |
358 | { | |
359 | int i = 0; | |
360 | ||
361 | if (NONCE_LEN_LIMIT <= len) | |
362 | die("the receiving end asked to sign an invalid nonce <%.*s>", | |
363 | len, nonce); | |
364 | ||
365 | for (i = 0; i < len; i++) { | |
366 | int ch = nonce[i] & 0xFF; | |
367 | if (isalnum(ch) || | |
368 | ch == '-' || ch == '.' || | |
369 | ch == '/' || ch == '+' || | |
370 | ch == '=' || ch == '_') | |
371 | continue; | |
372 | die("the receiving end asked to sign an invalid nonce <%.*s>", | |
373 | len, nonce); | |
374 | } | |
375 | } | |
376 | ||
377 | int send_pack(struct send_pack_args *args, | |
378 | int fd[], struct child_process *conn, | |
379 | struct ref *remote_refs, | |
380 | struct oid_array *extra_have) | |
381 | { | |
382 | int in = fd[0]; | |
383 | int out = fd[1]; | |
384 | struct strbuf req_buf = STRBUF_INIT; | |
385 | struct strbuf cap_buf = STRBUF_INIT; | |
386 | struct ref *ref; | |
387 | int need_pack_data = 0; | |
388 | int allow_deleting_refs = 0; | |
389 | int status_report = 0; | |
390 | int use_sideband = 0; | |
391 | int quiet_supported = 0; | |
392 | int agent_supported = 0; | |
393 | int use_atomic = 0; | |
394 | int atomic_supported = 0; | |
395 | int use_push_options = 0; | |
396 | int push_options_supported = 0; | |
397 | unsigned cmds_sent = 0; | |
398 | int ret; | |
399 | struct async demux; | |
400 | const char *push_cert_nonce = NULL; | |
401 | ||
402 | /* Does the other end support the reporting? */ | |
403 | if (server_supports("report-status")) | |
404 | status_report = 1; | |
405 | if (server_supports("delete-refs")) | |
406 | allow_deleting_refs = 1; | |
407 | if (server_supports("ofs-delta")) | |
408 | args->use_ofs_delta = 1; | |
409 | if (server_supports("side-band-64k")) | |
410 | use_sideband = 1; | |
411 | if (server_supports("quiet")) | |
412 | quiet_supported = 1; | |
413 | if (server_supports("agent")) | |
414 | agent_supported = 1; | |
415 | if (server_supports("no-thin")) | |
416 | args->use_thin_pack = 0; | |
417 | if (server_supports("atomic")) | |
418 | atomic_supported = 1; | |
419 | if (server_supports("push-options")) | |
420 | push_options_supported = 1; | |
421 | ||
422 | if (args->push_cert != SEND_PACK_PUSH_CERT_NEVER) { | |
423 | int len; | |
424 | push_cert_nonce = server_feature_value("push-cert", &len); | |
425 | if (push_cert_nonce) { | |
426 | reject_invalid_nonce(push_cert_nonce, len); | |
427 | push_cert_nonce = xmemdupz(push_cert_nonce, len); | |
428 | } else if (args->push_cert == SEND_PACK_PUSH_CERT_ALWAYS) { | |
429 | die(_("the receiving end does not support --signed push")); | |
430 | } else if (args->push_cert == SEND_PACK_PUSH_CERT_IF_ASKED) { | |
431 | warning(_("not sending a push certificate since the" | |
432 | " receiving end does not support --signed" | |
433 | " push")); | |
434 | } | |
435 | } | |
436 | ||
437 | if (!remote_refs) { | |
438 | fprintf(stderr, "No refs in common and none specified; doing nothing.\n" | |
439 | "Perhaps you should specify a branch such as 'master'.\n"); | |
440 | return 0; | |
441 | } | |
442 | if (args->atomic && !atomic_supported) | |
443 | die(_("the receiving end does not support --atomic push")); | |
444 | ||
445 | use_atomic = atomic_supported && args->atomic; | |
446 | ||
447 | if (args->push_options && !push_options_supported) | |
448 | die(_("the receiving end does not support push options")); | |
449 | ||
450 | use_push_options = push_options_supported && args->push_options; | |
451 | ||
452 | if (status_report) | |
453 | strbuf_addstr(&cap_buf, " report-status"); | |
454 | if (use_sideband) | |
455 | strbuf_addstr(&cap_buf, " side-band-64k"); | |
456 | if (quiet_supported && (args->quiet || !args->progress)) | |
457 | strbuf_addstr(&cap_buf, " quiet"); | |
458 | if (use_atomic) | |
459 | strbuf_addstr(&cap_buf, " atomic"); | |
460 | if (use_push_options) | |
461 | strbuf_addstr(&cap_buf, " push-options"); | |
462 | if (agent_supported) | |
463 | strbuf_addf(&cap_buf, " agent=%s", git_user_agent_sanitized()); | |
464 | ||
465 | /* | |
466 | * NEEDSWORK: why does delete-refs have to be so specific to | |
467 | * send-pack machinery that set_ref_status_for_push() cannot | |
468 | * set this bit for us??? | |
469 | */ | |
470 | for (ref = remote_refs; ref; ref = ref->next) | |
471 | if (ref->deletion && !allow_deleting_refs) | |
472 | ref->status = REF_STATUS_REJECT_NODELETE; | |
473 | ||
474 | if (!args->dry_run) | |
475 | advertise_shallow_grafts_buf(&req_buf); | |
476 | ||
477 | if (!args->dry_run && push_cert_nonce) | |
478 | cmds_sent = generate_push_cert(&req_buf, remote_refs, args, | |
479 | cap_buf.buf, push_cert_nonce); | |
480 | ||
481 | /* | |
482 | * Clear the status for each ref and see if we need to send | |
483 | * the pack data. | |
484 | */ | |
485 | for (ref = remote_refs; ref; ref = ref->next) { | |
486 | switch (check_to_send_update(ref, args)) { | |
487 | case 0: /* no error */ | |
488 | break; | |
489 | case CHECK_REF_STATUS_REJECTED: | |
490 | /* | |
491 | * When we know the server would reject a ref update if | |
492 | * we were to send it and we're trying to send the refs | |
493 | * atomically, abort the whole operation. | |
494 | */ | |
495 | if (use_atomic) { | |
496 | strbuf_release(&req_buf); | |
497 | strbuf_release(&cap_buf); | |
498 | return atomic_push_failure(args, remote_refs, ref); | |
499 | } | |
500 | /* else fallthrough */ | |
501 | default: | |
502 | continue; | |
503 | } | |
504 | if (!ref->deletion) | |
505 | need_pack_data = 1; | |
506 | ||
507 | if (args->dry_run || !status_report) | |
508 | ref->status = REF_STATUS_OK; | |
509 | else | |
510 | ref->status = REF_STATUS_EXPECTING_REPORT; | |
511 | } | |
512 | ||
513 | /* | |
514 | * Finally, tell the other end! | |
515 | */ | |
516 | for (ref = remote_refs; ref; ref = ref->next) { | |
517 | char *old_hex, *new_hex; | |
518 | ||
519 | if (args->dry_run || push_cert_nonce) | |
520 | continue; | |
521 | ||
522 | if (check_to_send_update(ref, args) < 0) | |
523 | continue; | |
524 | ||
525 | old_hex = oid_to_hex(&ref->old_oid); | |
526 | new_hex = oid_to_hex(&ref->new_oid); | |
527 | if (!cmds_sent) { | |
528 | packet_buf_write(&req_buf, | |
529 | "%s %s %s%c%s", | |
530 | old_hex, new_hex, ref->name, 0, | |
531 | cap_buf.buf); | |
532 | cmds_sent = 1; | |
533 | } else { | |
534 | packet_buf_write(&req_buf, "%s %s %s", | |
535 | old_hex, new_hex, ref->name); | |
536 | } | |
537 | } | |
538 | ||
539 | if (use_push_options) { | |
540 | struct string_list_item *item; | |
541 | ||
542 | packet_buf_flush(&req_buf); | |
543 | for_each_string_list_item(item, args->push_options) | |
544 | packet_buf_write(&req_buf, "%s", item->string); | |
545 | } | |
546 | ||
547 | if (args->stateless_rpc) { | |
548 | if (!args->dry_run && (cmds_sent || is_repository_shallow())) { | |
549 | packet_buf_flush(&req_buf); | |
550 | send_sideband(out, -1, req_buf.buf, req_buf.len, LARGE_PACKET_MAX); | |
551 | } | |
552 | } else { | |
553 | write_or_die(out, req_buf.buf, req_buf.len); | |
554 | packet_flush(out); | |
555 | } | |
556 | strbuf_release(&req_buf); | |
557 | strbuf_release(&cap_buf); | |
558 | ||
559 | if (use_sideband && cmds_sent) { | |
560 | memset(&demux, 0, sizeof(demux)); | |
561 | demux.proc = sideband_demux; | |
562 | demux.data = fd; | |
563 | demux.out = -1; | |
564 | demux.isolate_sigpipe = 1; | |
565 | if (start_async(&demux)) | |
566 | die("send-pack: unable to fork off sideband demultiplexer"); | |
567 | in = demux.out; | |
568 | } | |
569 | ||
570 | if (need_pack_data && cmds_sent) { | |
571 | if (pack_objects(out, remote_refs, extra_have, args) < 0) { | |
572 | for (ref = remote_refs; ref; ref = ref->next) | |
573 | ref->status = REF_STATUS_NONE; | |
574 | if (args->stateless_rpc) | |
575 | close(out); | |
576 | if (git_connection_is_socket(conn)) | |
577 | shutdown(fd[0], SHUT_WR); | |
578 | ||
579 | /* | |
580 | * Do not even bother with the return value; we know we | |
581 | * are failing, and just want the error() side effects. | |
582 | */ | |
583 | if (status_report) | |
584 | receive_unpack_status(in); | |
585 | ||
586 | if (use_sideband) { | |
587 | close(demux.out); | |
588 | finish_async(&demux); | |
589 | } | |
590 | fd[1] = -1; | |
591 | return -1; | |
592 | } | |
593 | if (!args->stateless_rpc) | |
594 | /* Closed by pack_objects() via start_command() */ | |
595 | fd[1] = -1; | |
596 | } | |
597 | if (args->stateless_rpc && cmds_sent) | |
598 | packet_flush(out); | |
599 | ||
600 | if (status_report && cmds_sent) | |
601 | ret = receive_status(in, remote_refs); | |
602 | else | |
603 | ret = 0; | |
604 | if (args->stateless_rpc) | |
605 | packet_flush(out); | |
606 | ||
607 | if (use_sideband && cmds_sent) { | |
608 | close(demux.out); | |
609 | if (finish_async(&demux)) { | |
610 | error("error in sideband demultiplexer"); | |
611 | ret = -1; | |
612 | } | |
613 | } | |
614 | ||
615 | if (ret < 0) | |
616 | return ret; | |
617 | ||
618 | if (args->porcelain) | |
619 | return 0; | |
620 | ||
621 | for (ref = remote_refs; ref; ref = ref->next) { | |
622 | switch (ref->status) { | |
623 | case REF_STATUS_NONE: | |
624 | case REF_STATUS_UPTODATE: | |
625 | case REF_STATUS_OK: | |
626 | break; | |
627 | default: | |
628 | return -1; | |
629 | } | |
630 | } | |
631 | return 0; | |
632 | } |