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Commit | Line | Data |
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f5d942e1 NTND |
1 | #include "builtin.h" |
2 | #include "commit.h" | |
3 | #include "refs.h" | |
4 | #include "pkt-line.h" | |
5 | #include "sideband.h" | |
6 | #include "run-command.h" | |
7 | #include "remote.h" | |
47a59185 | 8 | #include "connect.h" |
f5d942e1 NTND |
9 | #include "send-pack.h" |
10 | #include "quote.h" | |
11 | #include "transport.h" | |
12 | #include "version.h" | |
13eb4626 | 13 | #include "sha1-array.h" |
a85b377d | 14 | #include "gpg-interface.h" |
30261094 DB |
15 | #include "cache.h" |
16 | ||
17 | int option_parse_push_signed(const struct option *opt, | |
18 | const char *arg, int unset) | |
19 | { | |
20 | if (unset) { | |
21 | *(int *)(opt->value) = SEND_PACK_PUSH_CERT_NEVER; | |
22 | return 0; | |
23 | } | |
24 | switch (git_parse_maybe_bool(arg)) { | |
25 | case 1: | |
26 | *(int *)(opt->value) = SEND_PACK_PUSH_CERT_ALWAYS; | |
27 | return 0; | |
28 | case 0: | |
29 | *(int *)(opt->value) = SEND_PACK_PUSH_CERT_NEVER; | |
30 | return 0; | |
31 | } | |
32 | if (!strcasecmp("if-asked", arg)) { | |
33 | *(int *)(opt->value) = SEND_PACK_PUSH_CERT_IF_ASKED; | |
34 | return 0; | |
35 | } | |
36 | die("bad %s argument: %s", opt->long_name, arg); | |
37 | } | |
f5d942e1 | 38 | |
f0bca72d | 39 | static void feed_object(const unsigned char *sha1, FILE *fh, int negative) |
f5d942e1 | 40 | { |
f5d942e1 | 41 | if (negative && !has_sha1_file(sha1)) |
f0bca72d | 42 | return; |
f5d942e1 | 43 | |
f5d942e1 | 44 | if (negative) |
f0bca72d JK |
45 | putc('^', fh); |
46 | fputs(sha1_to_hex(sha1), fh); | |
47 | putc('\n', fh); | |
f5d942e1 NTND |
48 | } |
49 | ||
50 | /* | |
51 | * Make a pack stream and spit it out into file descriptor fd | |
52 | */ | |
910650d2 | 53 | static int pack_objects(int fd, struct ref *refs, struct oid_array *extra, struct send_pack_args *args) |
f5d942e1 NTND |
54 | { |
55 | /* | |
56 | * The child becomes pack-objects --revs; we feed | |
57 | * the revision parameters to it via its stdin and | |
58 | * let its stdout go back to the other end. | |
59 | */ | |
60 | const char *argv[] = { | |
61 | "pack-objects", | |
62 | "--all-progress-implied", | |
63 | "--revs", | |
64 | "--stdout", | |
65 | NULL, | |
66 | NULL, | |
67 | NULL, | |
68 | NULL, | |
69 | NULL, | |
2dacf26d | 70 | NULL, |
f5d942e1 | 71 | }; |
d3180279 | 72 | struct child_process po = CHILD_PROCESS_INIT; |
f0bca72d | 73 | FILE *po_in; |
f5d942e1 | 74 | int i; |
d1a13d3f | 75 | int rc; |
f5d942e1 NTND |
76 | |
77 | i = 4; | |
78 | if (args->use_thin_pack) | |
79 | argv[i++] = "--thin"; | |
80 | if (args->use_ofs_delta) | |
81 | argv[i++] = "--delta-base-offset"; | |
82 | if (args->quiet || !args->progress) | |
83 | argv[i++] = "-q"; | |
84 | if (args->progress) | |
85 | argv[i++] = "--progress"; | |
2dacf26d | 86 | if (is_repository_shallow()) |
87 | argv[i++] = "--shallow"; | |
f5d942e1 NTND |
88 | po.argv = argv; |
89 | po.in = -1; | |
90 | po.out = args->stateless_rpc ? -1 : fd; | |
91 | po.git_cmd = 1; | |
92 | if (start_command(&po)) | |
93 | die_errno("git pack-objects failed"); | |
94 | ||
95 | /* | |
96 | * We feed the pack-objects we just spawned with revision | |
97 | * parameters by writing to the pipe. | |
98 | */ | |
f0bca72d | 99 | po_in = xfdopen(po.in, "w"); |
f5d942e1 | 100 | for (i = 0; i < extra->nr; i++) |
ee3051bd | 101 | feed_object(extra->oid[i].hash, po_in, 1); |
f5d942e1 NTND |
102 | |
103 | while (refs) { | |
f0bca72d JK |
104 | if (!is_null_oid(&refs->old_oid)) |
105 | feed_object(refs->old_oid.hash, po_in, 1); | |
106 | if (!is_null_oid(&refs->new_oid)) | |
107 | feed_object(refs->new_oid.hash, po_in, 0); | |
f5d942e1 NTND |
108 | refs = refs->next; |
109 | } | |
110 | ||
f0bca72d JK |
111 | fflush(po_in); |
112 | if (ferror(po_in)) | |
113 | die_errno("error writing to pack-objects"); | |
114 | fclose(po_in); | |
f5d942e1 NTND |
115 | |
116 | if (args->stateless_rpc) { | |
117 | char *buf = xmalloc(LARGE_PACKET_MAX); | |
118 | while (1) { | |
119 | ssize_t n = xread(po.out, buf, LARGE_PACKET_MAX); | |
120 | if (n <= 0) | |
121 | break; | |
122 | send_sideband(fd, -1, buf, n, LARGE_PACKET_MAX); | |
123 | } | |
124 | free(buf); | |
125 | close(po.out); | |
126 | po.out = -1; | |
127 | } | |
128 | ||
d1a13d3f JK |
129 | rc = finish_command(&po); |
130 | if (rc) { | |
131 | /* | |
132 | * For a normal non-zero exit, we assume pack-objects wrote | |
133 | * something useful to stderr. For death by signal, though, | |
134 | * we should mention it to the user. The exception is SIGPIPE | |
135 | * (141), because that's a normal occurence if the remote end | |
136 | * hangs up (and we'll report that by trying to read the unpack | |
137 | * status). | |
138 | */ | |
139 | if (rc > 128 && rc != 141) | |
140 | error("pack-objects died of signal %d", rc - 128); | |
f5d942e1 | 141 | return -1; |
d1a13d3f | 142 | } |
f5d942e1 NTND |
143 | return 0; |
144 | } | |
145 | ||
7c39df29 | 146 | static int receive_unpack_status(int in) |
f5d942e1 | 147 | { |
7c39df29 | 148 | const char *line = packet_read_line(in, NULL); |
f7cd74d1 | 149 | if (!skip_prefix(line, "unpack ", &line)) |
40d05d04 | 150 | return error(_("unable to parse remote unpack status: %s"), line); |
f7cd74d1 | 151 | if (strcmp(line, "ok")) |
40d05d04 | 152 | return error(_("remote unpack failed: %s"), line); |
7c39df29 JK |
153 | return 0; |
154 | } | |
155 | ||
156 | static int receive_status(int in, struct ref *refs) | |
157 | { | |
158 | struct ref *hint; | |
159 | int ret; | |
160 | ||
f5d942e1 | 161 | hint = NULL; |
7c39df29 | 162 | ret = receive_unpack_status(in); |
f5d942e1 NTND |
163 | while (1) { |
164 | char *refname; | |
165 | char *msg; | |
7c39df29 | 166 | char *line = packet_read_line(in, NULL); |
74543a04 | 167 | if (!line) |
f5d942e1 | 168 | break; |
59556548 | 169 | if (!starts_with(line, "ok ") && !starts_with(line, "ng ")) { |
8f9e3e49 | 170 | error("invalid ref status from remote: %s", line); |
f5d942e1 NTND |
171 | ret = -1; |
172 | break; | |
173 | } | |
174 | ||
f5d942e1 NTND |
175 | refname = line + 3; |
176 | msg = strchr(refname, ' '); | |
177 | if (msg) | |
178 | *msg++ = '\0'; | |
179 | ||
180 | /* first try searching at our hint, falling back to all refs */ | |
181 | if (hint) | |
182 | hint = find_ref_by_name(hint, refname); | |
183 | if (!hint) | |
184 | hint = find_ref_by_name(refs, refname); | |
185 | if (!hint) { | |
186 | warning("remote reported status on unknown ref: %s", | |
187 | refname); | |
188 | continue; | |
189 | } | |
190 | if (hint->status != REF_STATUS_EXPECTING_REPORT) { | |
191 | warning("remote reported status on unexpected ref: %s", | |
192 | refname); | |
193 | continue; | |
194 | } | |
195 | ||
196 | if (line[0] == 'o' && line[1] == 'k') | |
197 | hint->status = REF_STATUS_OK; | |
198 | else { | |
199 | hint->status = REF_STATUS_REMOTE_REJECT; | |
200 | ret = -1; | |
201 | } | |
13092a91 | 202 | hint->remote_status = xstrdup_or_null(msg); |
f5d942e1 NTND |
203 | /* start our next search from the next ref */ |
204 | hint = hint->next; | |
205 | } | |
206 | return ret; | |
207 | } | |
208 | ||
209 | static int sideband_demux(int in, int out, void *data) | |
210 | { | |
211 | int *fd = data, ret; | |
212 | #ifdef NO_PTHREADS | |
213 | close(fd[1]); | |
214 | #endif | |
215 | ret = recv_sideband("send-pack", fd[0], out); | |
216 | close(out); | |
217 | return ret; | |
218 | } | |
219 | ||
f2c681cf NTND |
220 | static int advertise_shallow_grafts_cb(const struct commit_graft *graft, void *cb) |
221 | { | |
222 | struct strbuf *sb = cb; | |
223 | if (graft->nr_parent == -1) | |
7683e2e6 | 224 | packet_buf_write(sb, "shallow %s\n", oid_to_hex(&graft->oid)); |
f2c681cf NTND |
225 | return 0; |
226 | } | |
227 | ||
16a2743c | 228 | static void advertise_shallow_grafts_buf(struct strbuf *sb) |
f2c681cf NTND |
229 | { |
230 | if (!is_repository_shallow()) | |
231 | return; | |
232 | for_each_commit_graft(advertise_shallow_grafts_cb, sb); | |
233 | } | |
234 | ||
7582e939 SB |
235 | #define CHECK_REF_NO_PUSH -1 |
236 | #define CHECK_REF_STATUS_REJECTED -2 | |
237 | #define CHECK_REF_UPTODATE -3 | |
238 | static int check_to_send_update(const struct ref *ref, const struct send_pack_args *args) | |
e40671a3 JH |
239 | { |
240 | if (!ref->peer_ref && !args->send_mirror) | |
7582e939 | 241 | return CHECK_REF_NO_PUSH; |
e40671a3 JH |
242 | |
243 | /* Check for statuses set by set_ref_status_for_push() */ | |
244 | switch (ref->status) { | |
245 | case REF_STATUS_REJECT_NONFASTFORWARD: | |
246 | case REF_STATUS_REJECT_ALREADY_EXISTS: | |
247 | case REF_STATUS_REJECT_FETCH_FIRST: | |
248 | case REF_STATUS_REJECT_NEEDS_FORCE: | |
249 | case REF_STATUS_REJECT_STALE: | |
250 | case REF_STATUS_REJECT_NODELETE: | |
7582e939 | 251 | return CHECK_REF_STATUS_REJECTED; |
e40671a3 | 252 | case REF_STATUS_UPTODATE: |
7582e939 | 253 | return CHECK_REF_UPTODATE; |
e40671a3 | 254 | default: |
7582e939 | 255 | return 0; |
e40671a3 JH |
256 | } |
257 | } | |
258 | ||
a85b377d JH |
259 | /* |
260 | * the beginning of the next line, or the end of buffer. | |
261 | * | |
262 | * NEEDSWORK: perhaps move this to git-compat-util.h or somewhere and | |
263 | * convert many similar uses found by "git grep -A4 memchr". | |
264 | */ | |
265 | static const char *next_line(const char *line, size_t len) | |
266 | { | |
267 | const char *nl = memchr(line, '\n', len); | |
268 | if (!nl) | |
269 | return line + len; /* incomplete line */ | |
270 | return nl + 1; | |
271 | } | |
272 | ||
20a7558f JH |
273 | static int generate_push_cert(struct strbuf *req_buf, |
274 | const struct ref *remote_refs, | |
275 | struct send_pack_args *args, | |
b89363e4 JH |
276 | const char *cap_string, |
277 | const char *push_cert_nonce) | |
a85b377d JH |
278 | { |
279 | const struct ref *ref; | |
f6a4e61f | 280 | struct string_list_item *item; |
a85b377d JH |
281 | char *signing_key = xstrdup(get_signing_key()); |
282 | const char *cp, *np; | |
283 | struct strbuf cert = STRBUF_INIT; | |
284 | int update_seen = 0; | |
285 | ||
02962d36 | 286 | strbuf_addstr(&cert, "certificate version 0.1\n"); |
fb06b528 JH |
287 | strbuf_addf(&cert, "pusher %s ", signing_key); |
288 | datestamp(&cert); | |
289 | strbuf_addch(&cert, '\n'); | |
9be89160 JH |
290 | if (args->url && *args->url) { |
291 | char *anon_url = transport_anonymize_url(args->url); | |
292 | strbuf_addf(&cert, "pushee %s\n", anon_url); | |
293 | free(anon_url); | |
294 | } | |
b89363e4 JH |
295 | if (push_cert_nonce[0]) |
296 | strbuf_addf(&cert, "nonce %s\n", push_cert_nonce); | |
f6a4e61f SB |
297 | if (args->push_options) |
298 | for_each_string_list_item(item, args->push_options) | |
299 | strbuf_addf(&cert, "push-option %s\n", item->string); | |
a85b377d JH |
300 | strbuf_addstr(&cert, "\n"); |
301 | ||
302 | for (ref = remote_refs; ref; ref = ref->next) { | |
7582e939 | 303 | if (check_to_send_update(ref, args) < 0) |
a85b377d JH |
304 | continue; |
305 | update_seen = 1; | |
306 | strbuf_addf(&cert, "%s %s %s\n", | |
f4e54d02 | 307 | oid_to_hex(&ref->old_oid), |
308 | oid_to_hex(&ref->new_oid), | |
a85b377d JH |
309 | ref->name); |
310 | } | |
311 | if (!update_seen) | |
312 | goto free_return; | |
313 | ||
314 | if (sign_buffer(&cert, &cert, signing_key)) | |
315 | die(_("failed to sign the push certificate")); | |
316 | ||
20a7558f | 317 | packet_buf_write(req_buf, "push-cert%c%s", 0, cap_string); |
a85b377d JH |
318 | for (cp = cert.buf; cp < cert.buf + cert.len; cp = np) { |
319 | np = next_line(cp, cert.buf + cert.len - cp); | |
320 | packet_buf_write(req_buf, | |
321 | "%.*s", (int)(np - cp), cp); | |
322 | } | |
323 | packet_buf_write(req_buf, "push-cert-end\n"); | |
324 | ||
325 | free_return: | |
326 | free(signing_key); | |
327 | strbuf_release(&cert); | |
20a7558f | 328 | return update_seen; |
a85b377d JH |
329 | } |
330 | ||
4ff17f10 RS |
331 | |
332 | static int atomic_push_failure(struct send_pack_args *args, | |
333 | struct ref *remote_refs, | |
334 | struct ref *failing_ref) | |
335 | { | |
336 | struct ref *ref; | |
337 | /* Mark other refs as failed */ | |
338 | for (ref = remote_refs; ref; ref = ref->next) { | |
339 | if (!ref->peer_ref && !args->send_mirror) | |
340 | continue; | |
341 | ||
342 | switch (ref->status) { | |
343 | case REF_STATUS_EXPECTING_REPORT: | |
344 | ref->status = REF_STATUS_ATOMIC_PUSH_FAILED; | |
345 | continue; | |
346 | default: | |
347 | break; /* do nothing */ | |
348 | } | |
349 | } | |
350 | return error("atomic push failed for ref %s. status: %d\n", | |
351 | failing_ref->name, failing_ref->status); | |
352 | } | |
353 | ||
afcb6ee3 JH |
354 | #define NONCE_LEN_LIMIT 256 |
355 | ||
356 | static void reject_invalid_nonce(const char *nonce, int len) | |
357 | { | |
358 | int i = 0; | |
359 | ||
360 | if (NONCE_LEN_LIMIT <= len) | |
361 | die("the receiving end asked to sign an invalid nonce <%.*s>", | |
362 | len, nonce); | |
363 | ||
364 | for (i = 0; i < len; i++) { | |
365 | int ch = nonce[i] & 0xFF; | |
366 | if (isalnum(ch) || | |
367 | ch == '-' || ch == '.' || | |
368 | ch == '/' || ch == '+' || | |
369 | ch == '=' || ch == '_') | |
370 | continue; | |
371 | die("the receiving end asked to sign an invalid nonce <%.*s>", | |
372 | len, nonce); | |
373 | } | |
374 | } | |
375 | ||
f5d942e1 NTND |
376 | int send_pack(struct send_pack_args *args, |
377 | int fd[], struct child_process *conn, | |
378 | struct ref *remote_refs, | |
910650d2 | 379 | struct oid_array *extra_have) |
f5d942e1 NTND |
380 | { |
381 | int in = fd[0]; | |
382 | int out = fd[1]; | |
383 | struct strbuf req_buf = STRBUF_INIT; | |
887f3533 | 384 | struct strbuf cap_buf = STRBUF_INIT; |
f5d942e1 | 385 | struct ref *ref; |
ab2b0c90 | 386 | int need_pack_data = 0; |
f5d942e1 NTND |
387 | int allow_deleting_refs = 0; |
388 | int status_report = 0; | |
389 | int use_sideband = 0; | |
390 | int quiet_supported = 0; | |
391 | int agent_supported = 0; | |
4ff17f10 RS |
392 | int use_atomic = 0; |
393 | int atomic_supported = 0; | |
f6a4e61f SB |
394 | int use_push_options = 0; |
395 | int push_options_supported = 0; | |
f5d942e1 NTND |
396 | unsigned cmds_sent = 0; |
397 | int ret; | |
398 | struct async demux; | |
b89363e4 | 399 | const char *push_cert_nonce = NULL; |
f5d942e1 NTND |
400 | |
401 | /* Does the other end support the reporting? */ | |
402 | if (server_supports("report-status")) | |
403 | status_report = 1; | |
404 | if (server_supports("delete-refs")) | |
405 | allow_deleting_refs = 1; | |
406 | if (server_supports("ofs-delta")) | |
407 | args->use_ofs_delta = 1; | |
408 | if (server_supports("side-band-64k")) | |
409 | use_sideband = 1; | |
410 | if (server_supports("quiet")) | |
411 | quiet_supported = 1; | |
412 | if (server_supports("agent")) | |
413 | agent_supported = 1; | |
1ba98a79 CMN |
414 | if (server_supports("no-thin")) |
415 | args->use_thin_pack = 0; | |
4ff17f10 RS |
416 | if (server_supports("atomic")) |
417 | atomic_supported = 1; | |
f6a4e61f SB |
418 | if (server_supports("push-options")) |
419 | push_options_supported = 1; | |
b89363e4 | 420 | |
30261094 DB |
421 | if (args->push_cert != SEND_PACK_PUSH_CERT_NEVER) { |
422 | int len; | |
b89363e4 | 423 | push_cert_nonce = server_feature_value("push-cert", &len); |
30261094 DB |
424 | if (push_cert_nonce) { |
425 | reject_invalid_nonce(push_cert_nonce, len); | |
426 | push_cert_nonce = xmemdupz(push_cert_nonce, len); | |
427 | } else if (args->push_cert == SEND_PACK_PUSH_CERT_ALWAYS) { | |
b89363e4 | 428 | die(_("the receiving end does not support --signed push")); |
30261094 DB |
429 | } else if (args->push_cert == SEND_PACK_PUSH_CERT_IF_ASKED) { |
430 | warning(_("not sending a push certificate since the" | |
431 | " receiving end does not support --signed" | |
432 | " push")); | |
433 | } | |
b89363e4 | 434 | } |
f5d942e1 NTND |
435 | |
436 | if (!remote_refs) { | |
437 | fprintf(stderr, "No refs in common and none specified; doing nothing.\n" | |
438 | "Perhaps you should specify a branch such as 'master'.\n"); | |
439 | return 0; | |
440 | } | |
4ff17f10 | 441 | if (args->atomic && !atomic_supported) |
c8b8f22a | 442 | die(_("the receiving end does not support --atomic push")); |
4ff17f10 RS |
443 | |
444 | use_atomic = atomic_supported && args->atomic; | |
f5d942e1 | 445 | |
f6a4e61f SB |
446 | if (args->push_options && !push_options_supported) |
447 | die(_("the receiving end does not support push options")); | |
448 | ||
449 | use_push_options = push_options_supported && args->push_options; | |
450 | ||
887f3533 JH |
451 | if (status_report) |
452 | strbuf_addstr(&cap_buf, " report-status"); | |
453 | if (use_sideband) | |
454 | strbuf_addstr(&cap_buf, " side-band-64k"); | |
455 | if (quiet_supported && (args->quiet || !args->progress)) | |
456 | strbuf_addstr(&cap_buf, " quiet"); | |
4ff17f10 RS |
457 | if (use_atomic) |
458 | strbuf_addstr(&cap_buf, " atomic"); | |
f6a4e61f SB |
459 | if (use_push_options) |
460 | strbuf_addstr(&cap_buf, " push-options"); | |
887f3533 JH |
461 | if (agent_supported) |
462 | strbuf_addf(&cap_buf, " agent=%s", git_user_agent_sanitized()); | |
463 | ||
621b0599 JH |
464 | /* |
465 | * NEEDSWORK: why does delete-refs have to be so specific to | |
466 | * send-pack machinery that set_ref_status_for_push() cannot | |
467 | * set this bit for us??? | |
468 | */ | |
469 | for (ref = remote_refs; ref; ref = ref->next) | |
470 | if (ref->deletion && !allow_deleting_refs) | |
471 | ref->status = REF_STATUS_REJECT_NODELETE; | |
472 | ||
5dbd7676 | 473 | if (!args->dry_run) |
f2c681cf | 474 | advertise_shallow_grafts_buf(&req_buf); |
5dbd7676 | 475 | |
30261094 | 476 | if (!args->dry_run && push_cert_nonce) |
20a7558f | 477 | cmds_sent = generate_push_cert(&req_buf, remote_refs, args, |
b89363e4 | 478 | cap_buf.buf, push_cert_nonce); |
a85b377d | 479 | |
f5d942e1 | 480 | /* |
b783aa71 JH |
481 | * Clear the status for each ref and see if we need to send |
482 | * the pack data. | |
f5d942e1 | 483 | */ |
f5d942e1 | 484 | for (ref = remote_refs; ref; ref = ref->next) { |
4ff17f10 RS |
485 | switch (check_to_send_update(ref, args)) { |
486 | case 0: /* no error */ | |
487 | break; | |
488 | case CHECK_REF_STATUS_REJECTED: | |
489 | /* | |
490 | * When we know the server would reject a ref update if | |
491 | * we were to send it and we're trying to send the refs | |
492 | * atomically, abort the whole operation. | |
493 | */ | |
494 | if (use_atomic) | |
495 | return atomic_push_failure(args, remote_refs, ref); | |
496 | /* Fallthrough for non atomic case. */ | |
497 | default: | |
f5d942e1 | 498 | continue; |
4ff17f10 | 499 | } |
f5d942e1 | 500 | if (!ref->deletion) |
ab2b0c90 | 501 | need_pack_data = 1; |
f5d942e1 | 502 | |
b783aa71 | 503 | if (args->dry_run || !status_report) |
f5d942e1 | 504 | ref->status = REF_STATUS_OK; |
b783aa71 JH |
505 | else |
506 | ref->status = REF_STATUS_EXPECTING_REPORT; | |
507 | } | |
508 | ||
509 | /* | |
510 | * Finally, tell the other end! | |
511 | */ | |
512 | for (ref = remote_refs; ref; ref = ref->next) { | |
513 | char *old_hex, *new_hex; | |
514 | ||
30261094 | 515 | if (args->dry_run || push_cert_nonce) |
f5d942e1 | 516 | continue; |
f5d942e1 | 517 | |
7582e939 | 518 | if (check_to_send_update(ref, args) < 0) |
b783aa71 | 519 | continue; |
f5d942e1 | 520 | |
f4e54d02 | 521 | old_hex = oid_to_hex(&ref->old_oid); |
522 | new_hex = oid_to_hex(&ref->new_oid); | |
c67072b9 | 523 | if (!cmds_sent) { |
b783aa71 JH |
524 | packet_buf_write(&req_buf, |
525 | "%s %s %s%c%s", | |
526 | old_hex, new_hex, ref->name, 0, | |
527 | cap_buf.buf); | |
c67072b9 | 528 | cmds_sent = 1; |
f5d942e1 | 529 | } else { |
b783aa71 JH |
530 | packet_buf_write(&req_buf, "%s %s %s", |
531 | old_hex, new_hex, ref->name); | |
f5d942e1 NTND |
532 | } |
533 | } | |
534 | ||
eb7b9749 BW |
535 | if (use_push_options) { |
536 | struct string_list_item *item; | |
537 | ||
538 | packet_buf_flush(&req_buf); | |
539 | for_each_string_list_item(item, args->push_options) | |
540 | packet_buf_write(&req_buf, "%s", item->string); | |
541 | } | |
542 | ||
f5d942e1 | 543 | if (args->stateless_rpc) { |
f2c681cf | 544 | if (!args->dry_run && (cmds_sent || is_repository_shallow())) { |
f5d942e1 NTND |
545 | packet_buf_flush(&req_buf); |
546 | send_sideband(out, -1, req_buf.buf, req_buf.len, LARGE_PACKET_MAX); | |
547 | } | |
548 | } else { | |
cdf4fb8e | 549 | write_or_die(out, req_buf.buf, req_buf.len); |
f5d942e1 NTND |
550 | packet_flush(out); |
551 | } | |
552 | strbuf_release(&req_buf); | |
887f3533 | 553 | strbuf_release(&cap_buf); |
f5d942e1 NTND |
554 | |
555 | if (use_sideband && cmds_sent) { | |
556 | memset(&demux, 0, sizeof(demux)); | |
557 | demux.proc = sideband_demux; | |
558 | demux.data = fd; | |
559 | demux.out = -1; | |
3e8b06d0 | 560 | demux.isolate_sigpipe = 1; |
f5d942e1 NTND |
561 | if (start_async(&demux)) |
562 | die("send-pack: unable to fork off sideband demultiplexer"); | |
563 | in = demux.out; | |
564 | } | |
565 | ||
ab2b0c90 | 566 | if (need_pack_data && cmds_sent) { |
f5d942e1 NTND |
567 | if (pack_objects(out, remote_refs, extra_have, args) < 0) { |
568 | for (ref = remote_refs; ref; ref = ref->next) | |
569 | ref->status = REF_STATUS_NONE; | |
570 | if (args->stateless_rpc) | |
571 | close(out); | |
572 | if (git_connection_is_socket(conn)) | |
573 | shutdown(fd[0], SHUT_WR); | |
ba69f92d JK |
574 | |
575 | /* | |
576 | * Do not even bother with the return value; we know we | |
577 | * are failing, and just want the error() side effects. | |
578 | */ | |
579 | if (status_report) | |
580 | receive_unpack_status(in); | |
581 | ||
739cf491 JK |
582 | if (use_sideband) { |
583 | close(demux.out); | |
f5d942e1 | 584 | finish_async(&demux); |
739cf491 | 585 | } |
37cb1dd6 | 586 | fd[1] = -1; |
f5d942e1 NTND |
587 | return -1; |
588 | } | |
37cb1dd6 JL |
589 | if (!args->stateless_rpc) |
590 | /* Closed by pack_objects() via start_command() */ | |
591 | fd[1] = -1; | |
f5d942e1 NTND |
592 | } |
593 | if (args->stateless_rpc && cmds_sent) | |
594 | packet_flush(out); | |
595 | ||
596 | if (status_report && cmds_sent) | |
597 | ret = receive_status(in, remote_refs); | |
598 | else | |
599 | ret = 0; | |
600 | if (args->stateless_rpc) | |
601 | packet_flush(out); | |
602 | ||
603 | if (use_sideband && cmds_sent) { | |
739cf491 | 604 | close(demux.out); |
f5d942e1 NTND |
605 | if (finish_async(&demux)) { |
606 | error("error in sideband demultiplexer"); | |
607 | ret = -1; | |
608 | } | |
f5d942e1 NTND |
609 | } |
610 | ||
611 | if (ret < 0) | |
612 | return ret; | |
613 | ||
614 | if (args->porcelain) | |
615 | return 0; | |
616 | ||
617 | for (ref = remote_refs; ref; ref = ref->next) { | |
618 | switch (ref->status) { | |
619 | case REF_STATUS_NONE: | |
620 | case REF_STATUS_UPTODATE: | |
621 | case REF_STATUS_OK: | |
622 | break; | |
623 | default: | |
624 | return -1; | |
625 | } | |
626 | } | |
627 | return 0; | |
628 | } |