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