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Commit | Line | Data |
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f5d942e1 | 1 | #include "builtin.h" |
b2141fc1 | 2 | #include "config.h" |
f5d942e1 NTND |
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" | |
47a59185 | 9 | #include "connect.h" |
f5d942e1 NTND |
10 | #include "send-pack.h" |
11 | #include "quote.h" | |
12 | #include "transport.h" | |
13 | #include "version.h" | |
13eb4626 | 14 | #include "sha1-array.h" |
a85b377d | 15 | #include "gpg-interface.h" |
30261094 DB |
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 | } | |
f5d942e1 | 39 | |
f0bca72d | 40 | static void feed_object(const unsigned char *sha1, FILE *fh, int negative) |
f5d942e1 | 41 | { |
f5d942e1 | 42 | if (negative && !has_sha1_file(sha1)) |
f0bca72d | 43 | return; |
f5d942e1 | 44 | |
f5d942e1 | 45 | if (negative) |
f0bca72d JK |
46 | putc('^', fh); |
47 | fputs(sha1_to_hex(sha1), fh); | |
48 | putc('\n', fh); | |
f5d942e1 NTND |
49 | } |
50 | ||
51 | /* | |
52 | * Make a pack stream and spit it out into file descriptor fd | |
53 | */ | |
910650d2 | 54 | static int pack_objects(int fd, struct ref *refs, struct oid_array *extra, struct send_pack_args *args) |
f5d942e1 NTND |
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 | */ | |
d3180279 | 61 | struct child_process po = CHILD_PROCESS_INIT; |
f0bca72d | 62 | FILE *po_in; |
f5d942e1 | 63 | int i; |
d1a13d3f | 64 | int rc; |
f5d942e1 | 65 | |
a923e059 RS |
66 | argv_array_push(&po.args, "pack-objects"); |
67 | argv_array_push(&po.args, "--all-progress-implied"); | |
68 | argv_array_push(&po.args, "--revs"); | |
69 | argv_array_push(&po.args, "--stdout"); | |
f5d942e1 | 70 | if (args->use_thin_pack) |
a923e059 | 71 | argv_array_push(&po.args, "--thin"); |
f5d942e1 | 72 | if (args->use_ofs_delta) |
a923e059 | 73 | argv_array_push(&po.args, "--delta-base-offset"); |
f5d942e1 | 74 | if (args->quiet || !args->progress) |
a923e059 | 75 | argv_array_push(&po.args, "-q"); |
f5d942e1 | 76 | if (args->progress) |
a923e059 | 77 | argv_array_push(&po.args, "--progress"); |
2dacf26d | 78 | if (is_repository_shallow()) |
a923e059 | 79 | argv_array_push(&po.args, "--shallow"); |
f5d942e1 NTND |
80 | po.in = -1; |
81 | po.out = args->stateless_rpc ? -1 : fd; | |
82 | po.git_cmd = 1; | |
83 | if (start_command(&po)) | |
84 | die_errno("git pack-objects failed"); | |
85 | ||
86 | /* | |
87 | * We feed the pack-objects we just spawned with revision | |
88 | * parameters by writing to the pipe. | |
89 | */ | |
f0bca72d | 90 | po_in = xfdopen(po.in, "w"); |
f5d942e1 | 91 | for (i = 0; i < extra->nr; i++) |
ee3051bd | 92 | feed_object(extra->oid[i].hash, po_in, 1); |
f5d942e1 NTND |
93 | |
94 | while (refs) { | |
f0bca72d JK |
95 | if (!is_null_oid(&refs->old_oid)) |
96 | feed_object(refs->old_oid.hash, po_in, 1); | |
97 | if (!is_null_oid(&refs->new_oid)) | |
98 | feed_object(refs->new_oid.hash, po_in, 0); | |
f5d942e1 NTND |
99 | refs = refs->next; |
100 | } | |
101 | ||
f0bca72d JK |
102 | fflush(po_in); |
103 | if (ferror(po_in)) | |
104 | die_errno("error writing to pack-objects"); | |
105 | fclose(po_in); | |
f5d942e1 NTND |
106 | |
107 | if (args->stateless_rpc) { | |
108 | char *buf = xmalloc(LARGE_PACKET_MAX); | |
109 | while (1) { | |
110 | ssize_t n = xread(po.out, buf, LARGE_PACKET_MAX); | |
111 | if (n <= 0) | |
112 | break; | |
113 | send_sideband(fd, -1, buf, n, LARGE_PACKET_MAX); | |
114 | } | |
115 | free(buf); | |
116 | close(po.out); | |
117 | po.out = -1; | |
118 | } | |
119 | ||
d1a13d3f JK |
120 | rc = finish_command(&po); |
121 | if (rc) { | |
122 | /* | |
123 | * For a normal non-zero exit, we assume pack-objects wrote | |
124 | * something useful to stderr. For death by signal, though, | |
125 | * we should mention it to the user. The exception is SIGPIPE | |
64127575 | 126 | * (141), because that's a normal occurrence if the remote end |
d1a13d3f JK |
127 | * hangs up (and we'll report that by trying to read the unpack |
128 | * status). | |
129 | */ | |
130 | if (rc > 128 && rc != 141) | |
131 | error("pack-objects died of signal %d", rc - 128); | |
f5d942e1 | 132 | return -1; |
d1a13d3f | 133 | } |
f5d942e1 NTND |
134 | return 0; |
135 | } | |
136 | ||
7c39df29 | 137 | static int receive_unpack_status(int in) |
f5d942e1 | 138 | { |
7c39df29 | 139 | const char *line = packet_read_line(in, NULL); |
f7cd74d1 | 140 | if (!skip_prefix(line, "unpack ", &line)) |
40d05d04 | 141 | return error(_("unable to parse remote unpack status: %s"), line); |
f7cd74d1 | 142 | if (strcmp(line, "ok")) |
40d05d04 | 143 | return error(_("remote unpack failed: %s"), line); |
7c39df29 JK |
144 | return 0; |
145 | } | |
146 | ||
147 | static int receive_status(int in, struct ref *refs) | |
148 | { | |
149 | struct ref *hint; | |
150 | int ret; | |
151 | ||
f5d942e1 | 152 | hint = NULL; |
7c39df29 | 153 | ret = receive_unpack_status(in); |
f5d942e1 NTND |
154 | while (1) { |
155 | char *refname; | |
156 | char *msg; | |
7c39df29 | 157 | char *line = packet_read_line(in, NULL); |
74543a04 | 158 | if (!line) |
f5d942e1 | 159 | break; |
59556548 | 160 | if (!starts_with(line, "ok ") && !starts_with(line, "ng ")) { |
8f9e3e49 | 161 | error("invalid ref status from remote: %s", line); |
f5d942e1 NTND |
162 | ret = -1; |
163 | break; | |
164 | } | |
165 | ||
f5d942e1 NTND |
166 | refname = line + 3; |
167 | msg = strchr(refname, ' '); | |
168 | if (msg) | |
169 | *msg++ = '\0'; | |
170 | ||
171 | /* first try searching at our hint, falling back to all refs */ | |
172 | if (hint) | |
173 | hint = find_ref_by_name(hint, refname); | |
174 | if (!hint) | |
175 | hint = find_ref_by_name(refs, refname); | |
176 | if (!hint) { | |
177 | warning("remote reported status on unknown ref: %s", | |
178 | refname); | |
179 | continue; | |
180 | } | |
181 | if (hint->status != REF_STATUS_EXPECTING_REPORT) { | |
182 | warning("remote reported status on unexpected ref: %s", | |
183 | refname); | |
184 | continue; | |
185 | } | |
186 | ||
187 | if (line[0] == 'o' && line[1] == 'k') | |
188 | hint->status = REF_STATUS_OK; | |
189 | else { | |
190 | hint->status = REF_STATUS_REMOTE_REJECT; | |
191 | ret = -1; | |
192 | } | |
13092a91 | 193 | hint->remote_status = xstrdup_or_null(msg); |
f5d942e1 NTND |
194 | /* start our next search from the next ref */ |
195 | hint = hint->next; | |
196 | } | |
197 | return ret; | |
198 | } | |
199 | ||
200 | static int sideband_demux(int in, int out, void *data) | |
201 | { | |
202 | int *fd = data, ret; | |
203 | #ifdef NO_PTHREADS | |
204 | close(fd[1]); | |
205 | #endif | |
206 | ret = recv_sideband("send-pack", fd[0], out); | |
207 | close(out); | |
208 | return ret; | |
209 | } | |
210 | ||
f2c681cf NTND |
211 | static int advertise_shallow_grafts_cb(const struct commit_graft *graft, void *cb) |
212 | { | |
213 | struct strbuf *sb = cb; | |
214 | if (graft->nr_parent == -1) | |
7683e2e6 | 215 | packet_buf_write(sb, "shallow %s\n", oid_to_hex(&graft->oid)); |
f2c681cf NTND |
216 | return 0; |
217 | } | |
218 | ||
16a2743c | 219 | static void advertise_shallow_grafts_buf(struct strbuf *sb) |
f2c681cf NTND |
220 | { |
221 | if (!is_repository_shallow()) | |
222 | return; | |
223 | for_each_commit_graft(advertise_shallow_grafts_cb, sb); | |
224 | } | |
225 | ||
7582e939 SB |
226 | #define CHECK_REF_NO_PUSH -1 |
227 | #define CHECK_REF_STATUS_REJECTED -2 | |
228 | #define CHECK_REF_UPTODATE -3 | |
229 | static int check_to_send_update(const struct ref *ref, const struct send_pack_args *args) | |
e40671a3 JH |
230 | { |
231 | if (!ref->peer_ref && !args->send_mirror) | |
7582e939 | 232 | return CHECK_REF_NO_PUSH; |
e40671a3 JH |
233 | |
234 | /* Check for statuses set by set_ref_status_for_push() */ | |
235 | switch (ref->status) { | |
236 | case REF_STATUS_REJECT_NONFASTFORWARD: | |
237 | case REF_STATUS_REJECT_ALREADY_EXISTS: | |
238 | case REF_STATUS_REJECT_FETCH_FIRST: | |
239 | case REF_STATUS_REJECT_NEEDS_FORCE: | |
240 | case REF_STATUS_REJECT_STALE: | |
241 | case REF_STATUS_REJECT_NODELETE: | |
7582e939 | 242 | return CHECK_REF_STATUS_REJECTED; |
e40671a3 | 243 | case REF_STATUS_UPTODATE: |
7582e939 | 244 | return CHECK_REF_UPTODATE; |
e40671a3 | 245 | default: |
7582e939 | 246 | return 0; |
e40671a3 JH |
247 | } |
248 | } | |
249 | ||
a85b377d JH |
250 | /* |
251 | * the beginning of the next line, or the end of buffer. | |
252 | * | |
253 | * NEEDSWORK: perhaps move this to git-compat-util.h or somewhere and | |
254 | * convert many similar uses found by "git grep -A4 memchr". | |
255 | */ | |
256 | static const char *next_line(const char *line, size_t len) | |
257 | { | |
258 | const char *nl = memchr(line, '\n', len); | |
259 | if (!nl) | |
260 | return line + len; /* incomplete line */ | |
261 | return nl + 1; | |
262 | } | |
263 | ||
20a7558f JH |
264 | static int generate_push_cert(struct strbuf *req_buf, |
265 | const struct ref *remote_refs, | |
266 | struct send_pack_args *args, | |
b89363e4 JH |
267 | const char *cap_string, |
268 | const char *push_cert_nonce) | |
a85b377d JH |
269 | { |
270 | const struct ref *ref; | |
f6a4e61f | 271 | struct string_list_item *item; |
a85b377d JH |
272 | char *signing_key = xstrdup(get_signing_key()); |
273 | const char *cp, *np; | |
274 | struct strbuf cert = STRBUF_INIT; | |
275 | int update_seen = 0; | |
276 | ||
02962d36 | 277 | strbuf_addstr(&cert, "certificate version 0.1\n"); |
fb06b528 JH |
278 | strbuf_addf(&cert, "pusher %s ", signing_key); |
279 | datestamp(&cert); | |
280 | strbuf_addch(&cert, '\n'); | |
9be89160 JH |
281 | if (args->url && *args->url) { |
282 | char *anon_url = transport_anonymize_url(args->url); | |
283 | strbuf_addf(&cert, "pushee %s\n", anon_url); | |
284 | free(anon_url); | |
285 | } | |
b89363e4 JH |
286 | if (push_cert_nonce[0]) |
287 | strbuf_addf(&cert, "nonce %s\n", push_cert_nonce); | |
f6a4e61f SB |
288 | if (args->push_options) |
289 | for_each_string_list_item(item, args->push_options) | |
290 | strbuf_addf(&cert, "push-option %s\n", item->string); | |
a85b377d JH |
291 | strbuf_addstr(&cert, "\n"); |
292 | ||
293 | for (ref = remote_refs; ref; ref = ref->next) { | |
7582e939 | 294 | if (check_to_send_update(ref, args) < 0) |
a85b377d JH |
295 | continue; |
296 | update_seen = 1; | |
297 | strbuf_addf(&cert, "%s %s %s\n", | |
f4e54d02 | 298 | oid_to_hex(&ref->old_oid), |
299 | oid_to_hex(&ref->new_oid), | |
a85b377d JH |
300 | ref->name); |
301 | } | |
302 | if (!update_seen) | |
303 | goto free_return; | |
304 | ||
305 | if (sign_buffer(&cert, &cert, signing_key)) | |
306 | die(_("failed to sign the push certificate")); | |
307 | ||
20a7558f | 308 | packet_buf_write(req_buf, "push-cert%c%s", 0, cap_string); |
a85b377d JH |
309 | for (cp = cert.buf; cp < cert.buf + cert.len; cp = np) { |
310 | np = next_line(cp, cert.buf + cert.len - cp); | |
311 | packet_buf_write(req_buf, | |
312 | "%.*s", (int)(np - cp), cp); | |
313 | } | |
314 | packet_buf_write(req_buf, "push-cert-end\n"); | |
315 | ||
316 | free_return: | |
317 | free(signing_key); | |
318 | strbuf_release(&cert); | |
20a7558f | 319 | return update_seen; |
a85b377d JH |
320 | } |
321 | ||
4ff17f10 RS |
322 | |
323 | static int atomic_push_failure(struct send_pack_args *args, | |
324 | struct ref *remote_refs, | |
325 | struct ref *failing_ref) | |
326 | { | |
327 | struct ref *ref; | |
328 | /* Mark other refs as failed */ | |
329 | for (ref = remote_refs; ref; ref = ref->next) { | |
330 | if (!ref->peer_ref && !args->send_mirror) | |
331 | continue; | |
332 | ||
333 | switch (ref->status) { | |
334 | case REF_STATUS_EXPECTING_REPORT: | |
335 | ref->status = REF_STATUS_ATOMIC_PUSH_FAILED; | |
336 | continue; | |
337 | default: | |
338 | break; /* do nothing */ | |
339 | } | |
340 | } | |
341 | return error("atomic push failed for ref %s. status: %d\n", | |
342 | failing_ref->name, failing_ref->status); | |
343 | } | |
344 | ||
afcb6ee3 JH |
345 | #define NONCE_LEN_LIMIT 256 |
346 | ||
347 | static void reject_invalid_nonce(const char *nonce, int len) | |
348 | { | |
349 | int i = 0; | |
350 | ||
351 | if (NONCE_LEN_LIMIT <= len) | |
352 | die("the receiving end asked to sign an invalid nonce <%.*s>", | |
353 | len, nonce); | |
354 | ||
355 | for (i = 0; i < len; i++) { | |
356 | int ch = nonce[i] & 0xFF; | |
357 | if (isalnum(ch) || | |
358 | ch == '-' || ch == '.' || | |
359 | ch == '/' || ch == '+' || | |
360 | ch == '=' || ch == '_') | |
361 | continue; | |
362 | die("the receiving end asked to sign an invalid nonce <%.*s>", | |
363 | len, nonce); | |
364 | } | |
365 | } | |
366 | ||
f5d942e1 NTND |
367 | int send_pack(struct send_pack_args *args, |
368 | int fd[], struct child_process *conn, | |
369 | struct ref *remote_refs, | |
910650d2 | 370 | struct oid_array *extra_have) |
f5d942e1 NTND |
371 | { |
372 | int in = fd[0]; | |
373 | int out = fd[1]; | |
374 | struct strbuf req_buf = STRBUF_INIT; | |
887f3533 | 375 | struct strbuf cap_buf = STRBUF_INIT; |
f5d942e1 | 376 | struct ref *ref; |
ab2b0c90 | 377 | int need_pack_data = 0; |
f5d942e1 NTND |
378 | int allow_deleting_refs = 0; |
379 | int status_report = 0; | |
380 | int use_sideband = 0; | |
381 | int quiet_supported = 0; | |
382 | int agent_supported = 0; | |
4ff17f10 RS |
383 | int use_atomic = 0; |
384 | int atomic_supported = 0; | |
f6a4e61f SB |
385 | int use_push_options = 0; |
386 | int push_options_supported = 0; | |
f5d942e1 NTND |
387 | unsigned cmds_sent = 0; |
388 | int ret; | |
389 | struct async demux; | |
b89363e4 | 390 | const char *push_cert_nonce = NULL; |
f5d942e1 NTND |
391 | |
392 | /* Does the other end support the reporting? */ | |
393 | if (server_supports("report-status")) | |
394 | status_report = 1; | |
395 | if (server_supports("delete-refs")) | |
396 | allow_deleting_refs = 1; | |
397 | if (server_supports("ofs-delta")) | |
398 | args->use_ofs_delta = 1; | |
399 | if (server_supports("side-band-64k")) | |
400 | use_sideband = 1; | |
401 | if (server_supports("quiet")) | |
402 | quiet_supported = 1; | |
403 | if (server_supports("agent")) | |
404 | agent_supported = 1; | |
1ba98a79 CMN |
405 | if (server_supports("no-thin")) |
406 | args->use_thin_pack = 0; | |
4ff17f10 RS |
407 | if (server_supports("atomic")) |
408 | atomic_supported = 1; | |
f6a4e61f SB |
409 | if (server_supports("push-options")) |
410 | push_options_supported = 1; | |
b89363e4 | 411 | |
30261094 DB |
412 | if (args->push_cert != SEND_PACK_PUSH_CERT_NEVER) { |
413 | int len; | |
b89363e4 | 414 | push_cert_nonce = server_feature_value("push-cert", &len); |
30261094 DB |
415 | if (push_cert_nonce) { |
416 | reject_invalid_nonce(push_cert_nonce, len); | |
417 | push_cert_nonce = xmemdupz(push_cert_nonce, len); | |
418 | } else if (args->push_cert == SEND_PACK_PUSH_CERT_ALWAYS) { | |
b89363e4 | 419 | die(_("the receiving end does not support --signed push")); |
30261094 DB |
420 | } else if (args->push_cert == SEND_PACK_PUSH_CERT_IF_ASKED) { |
421 | warning(_("not sending a push certificate since the" | |
422 | " receiving end does not support --signed" | |
423 | " push")); | |
424 | } | |
b89363e4 | 425 | } |
f5d942e1 NTND |
426 | |
427 | if (!remote_refs) { | |
428 | fprintf(stderr, "No refs in common and none specified; doing nothing.\n" | |
429 | "Perhaps you should specify a branch such as 'master'.\n"); | |
430 | return 0; | |
431 | } | |
4ff17f10 | 432 | if (args->atomic && !atomic_supported) |
c8b8f22a | 433 | die(_("the receiving end does not support --atomic push")); |
4ff17f10 RS |
434 | |
435 | use_atomic = atomic_supported && args->atomic; | |
f5d942e1 | 436 | |
f6a4e61f SB |
437 | if (args->push_options && !push_options_supported) |
438 | die(_("the receiving end does not support push options")); | |
439 | ||
440 | use_push_options = push_options_supported && args->push_options; | |
441 | ||
887f3533 JH |
442 | if (status_report) |
443 | strbuf_addstr(&cap_buf, " report-status"); | |
444 | if (use_sideband) | |
445 | strbuf_addstr(&cap_buf, " side-band-64k"); | |
446 | if (quiet_supported && (args->quiet || !args->progress)) | |
447 | strbuf_addstr(&cap_buf, " quiet"); | |
4ff17f10 RS |
448 | if (use_atomic) |
449 | strbuf_addstr(&cap_buf, " atomic"); | |
f6a4e61f SB |
450 | if (use_push_options) |
451 | strbuf_addstr(&cap_buf, " push-options"); | |
887f3533 JH |
452 | if (agent_supported) |
453 | strbuf_addf(&cap_buf, " agent=%s", git_user_agent_sanitized()); | |
454 | ||
621b0599 JH |
455 | /* |
456 | * NEEDSWORK: why does delete-refs have to be so specific to | |
457 | * send-pack machinery that set_ref_status_for_push() cannot | |
458 | * set this bit for us??? | |
459 | */ | |
460 | for (ref = remote_refs; ref; ref = ref->next) | |
461 | if (ref->deletion && !allow_deleting_refs) | |
462 | ref->status = REF_STATUS_REJECT_NODELETE; | |
463 | ||
5dbd7676 | 464 | if (!args->dry_run) |
f2c681cf | 465 | advertise_shallow_grafts_buf(&req_buf); |
5dbd7676 | 466 | |
30261094 | 467 | if (!args->dry_run && push_cert_nonce) |
20a7558f | 468 | cmds_sent = generate_push_cert(&req_buf, remote_refs, args, |
b89363e4 | 469 | cap_buf.buf, push_cert_nonce); |
a85b377d | 470 | |
f5d942e1 | 471 | /* |
b783aa71 JH |
472 | * Clear the status for each ref and see if we need to send |
473 | * the pack data. | |
f5d942e1 | 474 | */ |
f5d942e1 | 475 | for (ref = remote_refs; ref; ref = ref->next) { |
4ff17f10 RS |
476 | switch (check_to_send_update(ref, args)) { |
477 | case 0: /* no error */ | |
478 | break; | |
479 | case CHECK_REF_STATUS_REJECTED: | |
480 | /* | |
481 | * When we know the server would reject a ref update if | |
482 | * we were to send it and we're trying to send the refs | |
483 | * atomically, abort the whole operation. | |
484 | */ | |
872d651f RS |
485 | if (use_atomic) { |
486 | strbuf_release(&req_buf); | |
487 | strbuf_release(&cap_buf); | |
4ff17f10 | 488 | return atomic_push_failure(args, remote_refs, ref); |
872d651f | 489 | } |
1cf01a34 | 490 | /* else fallthrough */ |
4ff17f10 | 491 | default: |
f5d942e1 | 492 | continue; |
4ff17f10 | 493 | } |
f5d942e1 | 494 | if (!ref->deletion) |
ab2b0c90 | 495 | need_pack_data = 1; |
f5d942e1 | 496 | |
b783aa71 | 497 | if (args->dry_run || !status_report) |
f5d942e1 | 498 | ref->status = REF_STATUS_OK; |
b783aa71 JH |
499 | else |
500 | ref->status = REF_STATUS_EXPECTING_REPORT; | |
501 | } | |
502 | ||
503 | /* | |
504 | * Finally, tell the other end! | |
505 | */ | |
506 | for (ref = remote_refs; ref; ref = ref->next) { | |
507 | char *old_hex, *new_hex; | |
508 | ||
30261094 | 509 | if (args->dry_run || push_cert_nonce) |
f5d942e1 | 510 | continue; |
f5d942e1 | 511 | |
7582e939 | 512 | if (check_to_send_update(ref, args) < 0) |
b783aa71 | 513 | continue; |
f5d942e1 | 514 | |
f4e54d02 | 515 | old_hex = oid_to_hex(&ref->old_oid); |
516 | new_hex = oid_to_hex(&ref->new_oid); | |
c67072b9 | 517 | if (!cmds_sent) { |
b783aa71 JH |
518 | packet_buf_write(&req_buf, |
519 | "%s %s %s%c%s", | |
520 | old_hex, new_hex, ref->name, 0, | |
521 | cap_buf.buf); | |
c67072b9 | 522 | cmds_sent = 1; |
f5d942e1 | 523 | } else { |
b783aa71 JH |
524 | packet_buf_write(&req_buf, "%s %s %s", |
525 | old_hex, new_hex, ref->name); | |
f5d942e1 NTND |
526 | } |
527 | } | |
528 | ||
eb7b9749 BW |
529 | if (use_push_options) { |
530 | struct string_list_item *item; | |
531 | ||
532 | packet_buf_flush(&req_buf); | |
533 | for_each_string_list_item(item, args->push_options) | |
534 | packet_buf_write(&req_buf, "%s", item->string); | |
535 | } | |
536 | ||
f5d942e1 | 537 | if (args->stateless_rpc) { |
f2c681cf | 538 | if (!args->dry_run && (cmds_sent || is_repository_shallow())) { |
f5d942e1 NTND |
539 | packet_buf_flush(&req_buf); |
540 | send_sideband(out, -1, req_buf.buf, req_buf.len, LARGE_PACKET_MAX); | |
541 | } | |
542 | } else { | |
cdf4fb8e | 543 | write_or_die(out, req_buf.buf, req_buf.len); |
f5d942e1 NTND |
544 | packet_flush(out); |
545 | } | |
546 | strbuf_release(&req_buf); | |
887f3533 | 547 | strbuf_release(&cap_buf); |
f5d942e1 NTND |
548 | |
549 | if (use_sideband && cmds_sent) { | |
550 | memset(&demux, 0, sizeof(demux)); | |
551 | demux.proc = sideband_demux; | |
552 | demux.data = fd; | |
553 | demux.out = -1; | |
3e8b06d0 | 554 | demux.isolate_sigpipe = 1; |
f5d942e1 NTND |
555 | if (start_async(&demux)) |
556 | die("send-pack: unable to fork off sideband demultiplexer"); | |
557 | in = demux.out; | |
558 | } | |
559 | ||
ab2b0c90 | 560 | if (need_pack_data && cmds_sent) { |
f5d942e1 NTND |
561 | if (pack_objects(out, remote_refs, extra_have, args) < 0) { |
562 | for (ref = remote_refs; ref; ref = ref->next) | |
563 | ref->status = REF_STATUS_NONE; | |
564 | if (args->stateless_rpc) | |
565 | close(out); | |
566 | if (git_connection_is_socket(conn)) | |
567 | shutdown(fd[0], SHUT_WR); | |
ba69f92d JK |
568 | |
569 | /* | |
570 | * Do not even bother with the return value; we know we | |
571 | * are failing, and just want the error() side effects. | |
572 | */ | |
573 | if (status_report) | |
574 | receive_unpack_status(in); | |
575 | ||
739cf491 JK |
576 | if (use_sideband) { |
577 | close(demux.out); | |
f5d942e1 | 578 | finish_async(&demux); |
739cf491 | 579 | } |
37cb1dd6 | 580 | fd[1] = -1; |
f5d942e1 NTND |
581 | return -1; |
582 | } | |
37cb1dd6 JL |
583 | if (!args->stateless_rpc) |
584 | /* Closed by pack_objects() via start_command() */ | |
585 | fd[1] = -1; | |
f5d942e1 NTND |
586 | } |
587 | if (args->stateless_rpc && cmds_sent) | |
588 | packet_flush(out); | |
589 | ||
590 | if (status_report && cmds_sent) | |
591 | ret = receive_status(in, remote_refs); | |
592 | else | |
593 | ret = 0; | |
594 | if (args->stateless_rpc) | |
595 | packet_flush(out); | |
596 | ||
597 | if (use_sideband && cmds_sent) { | |
739cf491 | 598 | close(demux.out); |
f5d942e1 NTND |
599 | if (finish_async(&demux)) { |
600 | error("error in sideband demultiplexer"); | |
601 | ret = -1; | |
602 | } | |
f5d942e1 NTND |
603 | } |
604 | ||
605 | if (ret < 0) | |
606 | return ret; | |
607 | ||
608 | if (args->porcelain) | |
609 | return 0; | |
610 | ||
611 | for (ref = remote_refs; ref; ref = ref->next) { | |
612 | switch (ref->status) { | |
613 | case REF_STATUS_NONE: | |
614 | case REF_STATUS_UPTODATE: | |
615 | case REF_STATUS_OK: | |
616 | break; | |
617 | default: | |
618 | return -1; | |
619 | } | |
620 | } | |
621 | return 0; | |
622 | } |