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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" | |
cbd53a21 | 5 | #include "object-store.h" |
f5d942e1 NTND |
6 | #include "pkt-line.h" |
7 | #include "sideband.h" | |
8 | #include "run-command.h" | |
9 | #include "remote.h" | |
47a59185 | 10 | #include "connect.h" |
f5d942e1 NTND |
11 | #include "send-pack.h" |
12 | #include "quote.h" | |
13 | #include "transport.h" | |
14 | #include "version.h" | |
fe299ec5 | 15 | #include "oid-array.h" |
a85b377d | 16 | #include "gpg-interface.h" |
30261094 DB |
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 | } | |
f5d942e1 | 40 | |
246d7400 | 41 | static void feed_object(const struct object_id *oid, FILE *fh, int negative) |
f5d942e1 | 42 | { |
d8bc1a51 | 43 | if (negative && |
5cf7a17d JK |
44 | !has_object_file_with_flags(oid, |
45 | OBJECT_INFO_SKIP_FETCH_OBJECT | | |
46 | OBJECT_INFO_QUICK)) | |
f0bca72d | 47 | return; |
f5d942e1 | 48 | |
f5d942e1 | 49 | if (negative) |
f0bca72d | 50 | putc('^', fh); |
246d7400 | 51 | fputs(oid_to_hex(oid), fh); |
f0bca72d | 52 | putc('\n', fh); |
f5d942e1 NTND |
53 | } |
54 | ||
55 | /* | |
56 | * Make a pack stream and spit it out into file descriptor fd | |
57 | */ | |
910650d2 | 58 | static int pack_objects(int fd, struct ref *refs, struct oid_array *extra, struct send_pack_args *args) |
f5d942e1 NTND |
59 | { |
60 | /* | |
61 | * The child becomes pack-objects --revs; we feed | |
62 | * the revision parameters to it via its stdin and | |
63 | * let its stdout go back to the other end. | |
64 | */ | |
d3180279 | 65 | struct child_process po = CHILD_PROCESS_INIT; |
f0bca72d | 66 | FILE *po_in; |
f5d942e1 | 67 | int i; |
d1a13d3f | 68 | int rc; |
f5d942e1 | 69 | |
a923e059 RS |
70 | argv_array_push(&po.args, "pack-objects"); |
71 | argv_array_push(&po.args, "--all-progress-implied"); | |
72 | argv_array_push(&po.args, "--revs"); | |
73 | argv_array_push(&po.args, "--stdout"); | |
f5d942e1 | 74 | if (args->use_thin_pack) |
a923e059 | 75 | argv_array_push(&po.args, "--thin"); |
f5d942e1 | 76 | if (args->use_ofs_delta) |
a923e059 | 77 | argv_array_push(&po.args, "--delta-base-offset"); |
f5d942e1 | 78 | if (args->quiet || !args->progress) |
a923e059 | 79 | argv_array_push(&po.args, "-q"); |
f5d942e1 | 80 | if (args->progress) |
a923e059 | 81 | argv_array_push(&po.args, "--progress"); |
c8813487 | 82 | if (is_repository_shallow(the_repository)) |
a923e059 | 83 | argv_array_push(&po.args, "--shallow"); |
f5d942e1 NTND |
84 | po.in = -1; |
85 | po.out = args->stateless_rpc ? -1 : fd; | |
86 | po.git_cmd = 1; | |
87 | if (start_command(&po)) | |
88 | die_errno("git pack-objects failed"); | |
89 | ||
90 | /* | |
91 | * We feed the pack-objects we just spawned with revision | |
92 | * parameters by writing to the pipe. | |
93 | */ | |
f0bca72d | 94 | po_in = xfdopen(po.in, "w"); |
f5d942e1 | 95 | for (i = 0; i < extra->nr; i++) |
246d7400 | 96 | feed_object(&extra->oid[i], po_in, 1); |
f5d942e1 NTND |
97 | |
98 | while (refs) { | |
f0bca72d | 99 | if (!is_null_oid(&refs->old_oid)) |
246d7400 | 100 | feed_object(&refs->old_oid, po_in, 1); |
f0bca72d | 101 | if (!is_null_oid(&refs->new_oid)) |
246d7400 | 102 | feed_object(&refs->new_oid, po_in, 0); |
f5d942e1 NTND |
103 | refs = refs->next; |
104 | } | |
105 | ||
f0bca72d JK |
106 | fflush(po_in); |
107 | if (ferror(po_in)) | |
108 | die_errno("error writing to pack-objects"); | |
109 | fclose(po_in); | |
f5d942e1 NTND |
110 | |
111 | if (args->stateless_rpc) { | |
112 | char *buf = xmalloc(LARGE_PACKET_MAX); | |
113 | while (1) { | |
114 | ssize_t n = xread(po.out, buf, LARGE_PACKET_MAX); | |
115 | if (n <= 0) | |
116 | break; | |
117 | send_sideband(fd, -1, buf, n, LARGE_PACKET_MAX); | |
118 | } | |
119 | free(buf); | |
120 | close(po.out); | |
121 | po.out = -1; | |
122 | } | |
123 | ||
d1a13d3f JK |
124 | rc = finish_command(&po); |
125 | if (rc) { | |
126 | /* | |
127 | * For a normal non-zero exit, we assume pack-objects wrote | |
128 | * something useful to stderr. For death by signal, though, | |
129 | * we should mention it to the user. The exception is SIGPIPE | |
64127575 | 130 | * (141), because that's a normal occurrence if the remote end |
d1a13d3f JK |
131 | * hangs up (and we'll report that by trying to read the unpack |
132 | * status). | |
133 | */ | |
134 | if (rc > 128 && rc != 141) | |
135 | error("pack-objects died of signal %d", rc - 128); | |
f5d942e1 | 136 | return -1; |
d1a13d3f | 137 | } |
f5d942e1 NTND |
138 | return 0; |
139 | } | |
140 | ||
01f9ec64 | 141 | static int receive_unpack_status(struct packet_reader *reader) |
f5d942e1 | 142 | { |
01f9ec64 | 143 | if (packet_reader_read(reader) != PACKET_READ_NORMAL) |
bb1356dc | 144 | return error(_("unexpected flush packet while reading remote unpack status")); |
01f9ec64 MS |
145 | if (!skip_prefix(reader->line, "unpack ", &reader->line)) |
146 | return error(_("unable to parse remote unpack status: %s"), reader->line); | |
147 | if (strcmp(reader->line, "ok")) | |
148 | return error(_("remote unpack failed: %s"), reader->line); | |
7c39df29 JK |
149 | return 0; |
150 | } | |
151 | ||
01f9ec64 | 152 | static int receive_status(struct packet_reader *reader, struct ref *refs) |
7c39df29 JK |
153 | { |
154 | struct ref *hint; | |
155 | int ret; | |
156 | ||
f5d942e1 | 157 | hint = NULL; |
01f9ec64 | 158 | ret = receive_unpack_status(reader); |
f5d942e1 | 159 | while (1) { |
01f9ec64 | 160 | const char *refname; |
f5d942e1 | 161 | char *msg; |
01f9ec64 | 162 | if (packet_reader_read(reader) != PACKET_READ_NORMAL) |
f5d942e1 | 163 | break; |
01f9ec64 MS |
164 | if (!starts_with(reader->line, "ok ") && !starts_with(reader->line, "ng ")) { |
165 | error("invalid ref status from remote: %s", reader->line); | |
f5d942e1 NTND |
166 | ret = -1; |
167 | break; | |
168 | } | |
169 | ||
01f9ec64 | 170 | refname = reader->line + 3; |
f5d942e1 NTND |
171 | msg = strchr(refname, ' '); |
172 | if (msg) | |
173 | *msg++ = '\0'; | |
174 | ||
175 | /* first try searching at our hint, falling back to all refs */ | |
176 | if (hint) | |
177 | hint = find_ref_by_name(hint, refname); | |
178 | if (!hint) | |
179 | hint = find_ref_by_name(refs, refname); | |
180 | if (!hint) { | |
181 | warning("remote reported status on unknown ref: %s", | |
182 | refname); | |
183 | continue; | |
184 | } | |
185 | if (hint->status != REF_STATUS_EXPECTING_REPORT) { | |
186 | warning("remote reported status on unexpected ref: %s", | |
187 | refname); | |
188 | continue; | |
189 | } | |
190 | ||
01f9ec64 | 191 | if (reader->line[0] == 'o' && reader->line[1] == 'k') |
f5d942e1 | 192 | hint->status = REF_STATUS_OK; |
7dcbeaa0 | 193 | else |
f5d942e1 | 194 | hint->status = REF_STATUS_REMOTE_REJECT; |
13092a91 | 195 | hint->remote_status = xstrdup_or_null(msg); |
f5d942e1 NTND |
196 | /* start our next search from the next ref */ |
197 | hint = hint->next; | |
198 | } | |
199 | return ret; | |
200 | } | |
201 | ||
202 | static int sideband_demux(int in, int out, void *data) | |
203 | { | |
204 | int *fd = data, ret; | |
c0e40a2d NTND |
205 | if (async_with_fork()) |
206 | close(fd[1]); | |
f5d942e1 NTND |
207 | ret = recv_sideband("send-pack", fd[0], out); |
208 | close(out); | |
209 | return ret; | |
210 | } | |
211 | ||
f2c681cf NTND |
212 | static int advertise_shallow_grafts_cb(const struct commit_graft *graft, void *cb) |
213 | { | |
214 | struct strbuf *sb = cb; | |
215 | if (graft->nr_parent == -1) | |
7683e2e6 | 216 | packet_buf_write(sb, "shallow %s\n", oid_to_hex(&graft->oid)); |
f2c681cf NTND |
217 | return 0; |
218 | } | |
219 | ||
16a2743c | 220 | static void advertise_shallow_grafts_buf(struct strbuf *sb) |
f2c681cf | 221 | { |
c8813487 | 222 | if (!is_repository_shallow(the_repository)) |
f2c681cf NTND |
223 | return; |
224 | for_each_commit_graft(advertise_shallow_grafts_cb, sb); | |
225 | } | |
226 | ||
7582e939 SB |
227 | #define CHECK_REF_NO_PUSH -1 |
228 | #define CHECK_REF_STATUS_REJECTED -2 | |
229 | #define CHECK_REF_UPTODATE -3 | |
230 | static int check_to_send_update(const struct ref *ref, const struct send_pack_args *args) | |
e40671a3 JH |
231 | { |
232 | if (!ref->peer_ref && !args->send_mirror) | |
7582e939 | 233 | return CHECK_REF_NO_PUSH; |
e40671a3 JH |
234 | |
235 | /* Check for statuses set by set_ref_status_for_push() */ | |
236 | switch (ref->status) { | |
237 | case REF_STATUS_REJECT_NONFASTFORWARD: | |
238 | case REF_STATUS_REJECT_ALREADY_EXISTS: | |
239 | case REF_STATUS_REJECT_FETCH_FIRST: | |
240 | case REF_STATUS_REJECT_NEEDS_FORCE: | |
241 | case REF_STATUS_REJECT_STALE: | |
242 | case REF_STATUS_REJECT_NODELETE: | |
7582e939 | 243 | return CHECK_REF_STATUS_REJECTED; |
e40671a3 | 244 | case REF_STATUS_UPTODATE: |
7582e939 | 245 | return CHECK_REF_UPTODATE; |
e40671a3 | 246 | default: |
7582e939 | 247 | return 0; |
e40671a3 JH |
248 | } |
249 | } | |
250 | ||
a85b377d JH |
251 | /* |
252 | * the beginning of the next line, or the end of buffer. | |
253 | * | |
254 | * NEEDSWORK: perhaps move this to git-compat-util.h or somewhere and | |
255 | * convert many similar uses found by "git grep -A4 memchr". | |
256 | */ | |
257 | static const char *next_line(const char *line, size_t len) | |
258 | { | |
259 | const char *nl = memchr(line, '\n', len); | |
260 | if (!nl) | |
261 | return line + len; /* incomplete line */ | |
262 | return nl + 1; | |
263 | } | |
264 | ||
20a7558f JH |
265 | static int generate_push_cert(struct strbuf *req_buf, |
266 | const struct ref *remote_refs, | |
267 | struct send_pack_args *args, | |
b89363e4 JH |
268 | const char *cap_string, |
269 | const char *push_cert_nonce) | |
a85b377d JH |
270 | { |
271 | const struct ref *ref; | |
f6a4e61f | 272 | struct string_list_item *item; |
a85b377d JH |
273 | char *signing_key = xstrdup(get_signing_key()); |
274 | const char *cp, *np; | |
275 | struct strbuf cert = STRBUF_INIT; | |
276 | int update_seen = 0; | |
277 | ||
02962d36 | 278 | strbuf_addstr(&cert, "certificate version 0.1\n"); |
fb06b528 JH |
279 | strbuf_addf(&cert, "pusher %s ", signing_key); |
280 | datestamp(&cert); | |
281 | strbuf_addch(&cert, '\n'); | |
9be89160 JH |
282 | if (args->url && *args->url) { |
283 | char *anon_url = transport_anonymize_url(args->url); | |
284 | strbuf_addf(&cert, "pushee %s\n", anon_url); | |
285 | free(anon_url); | |
286 | } | |
b89363e4 JH |
287 | if (push_cert_nonce[0]) |
288 | strbuf_addf(&cert, "nonce %s\n", push_cert_nonce); | |
f6a4e61f SB |
289 | if (args->push_options) |
290 | for_each_string_list_item(item, args->push_options) | |
291 | strbuf_addf(&cert, "push-option %s\n", item->string); | |
a85b377d JH |
292 | strbuf_addstr(&cert, "\n"); |
293 | ||
294 | for (ref = remote_refs; ref; ref = ref->next) { | |
7582e939 | 295 | if (check_to_send_update(ref, args) < 0) |
a85b377d JH |
296 | continue; |
297 | update_seen = 1; | |
298 | strbuf_addf(&cert, "%s %s %s\n", | |
f4e54d02 | 299 | oid_to_hex(&ref->old_oid), |
300 | oid_to_hex(&ref->new_oid), | |
a85b377d JH |
301 | ref->name); |
302 | } | |
303 | if (!update_seen) | |
304 | goto free_return; | |
305 | ||
306 | if (sign_buffer(&cert, &cert, signing_key)) | |
307 | die(_("failed to sign the push certificate")); | |
308 | ||
20a7558f | 309 | packet_buf_write(req_buf, "push-cert%c%s", 0, cap_string); |
a85b377d JH |
310 | for (cp = cert.buf; cp < cert.buf + cert.len; cp = np) { |
311 | np = next_line(cp, cert.buf + cert.len - cp); | |
312 | packet_buf_write(req_buf, | |
313 | "%.*s", (int)(np - cp), cp); | |
314 | } | |
315 | packet_buf_write(req_buf, "push-cert-end\n"); | |
316 | ||
317 | free_return: | |
318 | free(signing_key); | |
319 | strbuf_release(&cert); | |
20a7558f | 320 | return update_seen; |
a85b377d JH |
321 | } |
322 | ||
afcb6ee3 JH |
323 | #define NONCE_LEN_LIMIT 256 |
324 | ||
325 | static void reject_invalid_nonce(const char *nonce, int len) | |
326 | { | |
327 | int i = 0; | |
328 | ||
329 | if (NONCE_LEN_LIMIT <= len) | |
330 | die("the receiving end asked to sign an invalid nonce <%.*s>", | |
331 | len, nonce); | |
332 | ||
333 | for (i = 0; i < len; i++) { | |
334 | int ch = nonce[i] & 0xFF; | |
335 | if (isalnum(ch) || | |
336 | ch == '-' || ch == '.' || | |
337 | ch == '/' || ch == '+' || | |
338 | ch == '=' || ch == '_') | |
339 | continue; | |
340 | die("the receiving end asked to sign an invalid nonce <%.*s>", | |
341 | len, nonce); | |
342 | } | |
343 | } | |
344 | ||
f5d942e1 NTND |
345 | int send_pack(struct send_pack_args *args, |
346 | int fd[], struct child_process *conn, | |
347 | struct ref *remote_refs, | |
910650d2 | 348 | struct oid_array *extra_have) |
f5d942e1 NTND |
349 | { |
350 | int in = fd[0]; | |
351 | int out = fd[1]; | |
352 | struct strbuf req_buf = STRBUF_INIT; | |
887f3533 | 353 | struct strbuf cap_buf = STRBUF_INIT; |
f5d942e1 | 354 | struct ref *ref; |
ab2b0c90 | 355 | int need_pack_data = 0; |
f5d942e1 NTND |
356 | int allow_deleting_refs = 0; |
357 | int status_report = 0; | |
358 | int use_sideband = 0; | |
359 | int quiet_supported = 0; | |
360 | int agent_supported = 0; | |
4ff17f10 RS |
361 | int use_atomic = 0; |
362 | int atomic_supported = 0; | |
f6a4e61f SB |
363 | int use_push_options = 0; |
364 | int push_options_supported = 0; | |
f5d942e1 NTND |
365 | unsigned cmds_sent = 0; |
366 | int ret; | |
367 | struct async demux; | |
b89363e4 | 368 | const char *push_cert_nonce = NULL; |
01f9ec64 | 369 | struct packet_reader reader; |
f5d942e1 NTND |
370 | |
371 | /* Does the other end support the reporting? */ | |
372 | if (server_supports("report-status")) | |
373 | status_report = 1; | |
374 | if (server_supports("delete-refs")) | |
375 | allow_deleting_refs = 1; | |
376 | if (server_supports("ofs-delta")) | |
377 | args->use_ofs_delta = 1; | |
378 | if (server_supports("side-band-64k")) | |
379 | use_sideband = 1; | |
380 | if (server_supports("quiet")) | |
381 | quiet_supported = 1; | |
382 | if (server_supports("agent")) | |
383 | agent_supported = 1; | |
1ba98a79 CMN |
384 | if (server_supports("no-thin")) |
385 | args->use_thin_pack = 0; | |
4ff17f10 RS |
386 | if (server_supports("atomic")) |
387 | atomic_supported = 1; | |
f6a4e61f SB |
388 | if (server_supports("push-options")) |
389 | push_options_supported = 1; | |
b89363e4 | 390 | |
30261094 DB |
391 | if (args->push_cert != SEND_PACK_PUSH_CERT_NEVER) { |
392 | int len; | |
b89363e4 | 393 | push_cert_nonce = server_feature_value("push-cert", &len); |
30261094 DB |
394 | if (push_cert_nonce) { |
395 | reject_invalid_nonce(push_cert_nonce, len); | |
396 | push_cert_nonce = xmemdupz(push_cert_nonce, len); | |
397 | } else if (args->push_cert == SEND_PACK_PUSH_CERT_ALWAYS) { | |
b89363e4 | 398 | die(_("the receiving end does not support --signed push")); |
30261094 DB |
399 | } else if (args->push_cert == SEND_PACK_PUSH_CERT_IF_ASKED) { |
400 | warning(_("not sending a push certificate since the" | |
401 | " receiving end does not support --signed" | |
402 | " push")); | |
403 | } | |
b89363e4 | 404 | } |
f5d942e1 NTND |
405 | |
406 | if (!remote_refs) { | |
407 | fprintf(stderr, "No refs in common and none specified; doing nothing.\n" | |
408 | "Perhaps you should specify a branch such as 'master'.\n"); | |
409 | return 0; | |
410 | } | |
4ff17f10 | 411 | if (args->atomic && !atomic_supported) |
c8b8f22a | 412 | die(_("the receiving end does not support --atomic push")); |
4ff17f10 RS |
413 | |
414 | use_atomic = atomic_supported && args->atomic; | |
f5d942e1 | 415 | |
f6a4e61f SB |
416 | if (args->push_options && !push_options_supported) |
417 | die(_("the receiving end does not support push options")); | |
418 | ||
419 | use_push_options = push_options_supported && args->push_options; | |
420 | ||
887f3533 JH |
421 | if (status_report) |
422 | strbuf_addstr(&cap_buf, " report-status"); | |
423 | if (use_sideband) | |
424 | strbuf_addstr(&cap_buf, " side-band-64k"); | |
425 | if (quiet_supported && (args->quiet || !args->progress)) | |
426 | strbuf_addstr(&cap_buf, " quiet"); | |
4ff17f10 RS |
427 | if (use_atomic) |
428 | strbuf_addstr(&cap_buf, " atomic"); | |
f6a4e61f SB |
429 | if (use_push_options) |
430 | strbuf_addstr(&cap_buf, " push-options"); | |
887f3533 JH |
431 | if (agent_supported) |
432 | strbuf_addf(&cap_buf, " agent=%s", git_user_agent_sanitized()); | |
433 | ||
621b0599 JH |
434 | /* |
435 | * NEEDSWORK: why does delete-refs have to be so specific to | |
436 | * send-pack machinery that set_ref_status_for_push() cannot | |
437 | * set this bit for us??? | |
438 | */ | |
439 | for (ref = remote_refs; ref; ref = ref->next) | |
440 | if (ref->deletion && !allow_deleting_refs) | |
441 | ref->status = REF_STATUS_REJECT_NODELETE; | |
442 | ||
5dbd7676 | 443 | if (!args->dry_run) |
f2c681cf | 444 | advertise_shallow_grafts_buf(&req_buf); |
5dbd7676 | 445 | |
30261094 | 446 | if (!args->dry_run && push_cert_nonce) |
20a7558f | 447 | cmds_sent = generate_push_cert(&req_buf, remote_refs, args, |
b89363e4 | 448 | cap_buf.buf, push_cert_nonce); |
a85b377d | 449 | |
f5d942e1 | 450 | /* |
b783aa71 JH |
451 | * Clear the status for each ref and see if we need to send |
452 | * the pack data. | |
f5d942e1 | 453 | */ |
f5d942e1 | 454 | for (ref = remote_refs; ref; ref = ref->next) { |
4ff17f10 RS |
455 | switch (check_to_send_update(ref, args)) { |
456 | case 0: /* no error */ | |
457 | break; | |
458 | case CHECK_REF_STATUS_REJECTED: | |
459 | /* | |
460 | * When we know the server would reject a ref update if | |
461 | * we were to send it and we're trying to send the refs | |
462 | * atomically, abort the whole operation. | |
463 | */ | |
872d651f RS |
464 | if (use_atomic) { |
465 | strbuf_release(&req_buf); | |
466 | strbuf_release(&cap_buf); | |
dfe1b7f1 JX |
467 | reject_atomic_push(remote_refs, args->send_mirror); |
468 | error("atomic push failed for ref %s. status: %d\n", | |
469 | ref->name, ref->status); | |
7dcbeaa0 | 470 | return args->porcelain ? 0 : -1; |
872d651f | 471 | } |
1cf01a34 | 472 | /* else fallthrough */ |
4ff17f10 | 473 | default: |
f5d942e1 | 474 | continue; |
4ff17f10 | 475 | } |
f5d942e1 | 476 | if (!ref->deletion) |
ab2b0c90 | 477 | need_pack_data = 1; |
f5d942e1 | 478 | |
b783aa71 | 479 | if (args->dry_run || !status_report) |
f5d942e1 | 480 | ref->status = REF_STATUS_OK; |
b783aa71 JH |
481 | else |
482 | ref->status = REF_STATUS_EXPECTING_REPORT; | |
483 | } | |
484 | ||
485 | /* | |
486 | * Finally, tell the other end! | |
487 | */ | |
488 | for (ref = remote_refs; ref; ref = ref->next) { | |
489 | char *old_hex, *new_hex; | |
490 | ||
30261094 | 491 | if (args->dry_run || push_cert_nonce) |
f5d942e1 | 492 | continue; |
f5d942e1 | 493 | |
7582e939 | 494 | if (check_to_send_update(ref, args) < 0) |
b783aa71 | 495 | continue; |
f5d942e1 | 496 | |
f4e54d02 | 497 | old_hex = oid_to_hex(&ref->old_oid); |
498 | new_hex = oid_to_hex(&ref->new_oid); | |
c67072b9 | 499 | if (!cmds_sent) { |
b783aa71 JH |
500 | packet_buf_write(&req_buf, |
501 | "%s %s %s%c%s", | |
502 | old_hex, new_hex, ref->name, 0, | |
503 | cap_buf.buf); | |
c67072b9 | 504 | cmds_sent = 1; |
f5d942e1 | 505 | } else { |
b783aa71 JH |
506 | packet_buf_write(&req_buf, "%s %s %s", |
507 | old_hex, new_hex, ref->name); | |
f5d942e1 NTND |
508 | } |
509 | } | |
510 | ||
eb7b9749 BW |
511 | if (use_push_options) { |
512 | struct string_list_item *item; | |
513 | ||
514 | packet_buf_flush(&req_buf); | |
515 | for_each_string_list_item(item, args->push_options) | |
516 | packet_buf_write(&req_buf, "%s", item->string); | |
517 | } | |
518 | ||
f5d942e1 | 519 | if (args->stateless_rpc) { |
c8813487 | 520 | if (!args->dry_run && (cmds_sent || is_repository_shallow(the_repository))) { |
f5d942e1 NTND |
521 | packet_buf_flush(&req_buf); |
522 | send_sideband(out, -1, req_buf.buf, req_buf.len, LARGE_PACKET_MAX); | |
523 | } | |
524 | } else { | |
cdf4fb8e | 525 | write_or_die(out, req_buf.buf, req_buf.len); |
f5d942e1 NTND |
526 | packet_flush(out); |
527 | } | |
528 | strbuf_release(&req_buf); | |
887f3533 | 529 | strbuf_release(&cap_buf); |
f5d942e1 NTND |
530 | |
531 | if (use_sideband && cmds_sent) { | |
532 | memset(&demux, 0, sizeof(demux)); | |
533 | demux.proc = sideband_demux; | |
534 | demux.data = fd; | |
535 | demux.out = -1; | |
3e8b06d0 | 536 | demux.isolate_sigpipe = 1; |
f5d942e1 NTND |
537 | if (start_async(&demux)) |
538 | die("send-pack: unable to fork off sideband demultiplexer"); | |
539 | in = demux.out; | |
540 | } | |
541 | ||
2d103c31 MS |
542 | packet_reader_init(&reader, in, NULL, 0, |
543 | PACKET_READ_CHOMP_NEWLINE | | |
544 | PACKET_READ_DIE_ON_ERR_PACKET); | |
01f9ec64 | 545 | |
ab2b0c90 | 546 | if (need_pack_data && cmds_sent) { |
f5d942e1 | 547 | if (pack_objects(out, remote_refs, extra_have, args) < 0) { |
f5d942e1 NTND |
548 | if (args->stateless_rpc) |
549 | close(out); | |
550 | if (git_connection_is_socket(conn)) | |
551 | shutdown(fd[0], SHUT_WR); | |
ba69f92d JK |
552 | |
553 | /* | |
554 | * Do not even bother with the return value; we know we | |
ad7a4032 JK |
555 | * are failing, and just want the error() side effects, |
556 | * as well as marking refs with their remote status (if | |
557 | * we get one). | |
ba69f92d JK |
558 | */ |
559 | if (status_report) | |
ad7a4032 | 560 | receive_status(&reader, remote_refs); |
ba69f92d | 561 | |
739cf491 JK |
562 | if (use_sideband) { |
563 | close(demux.out); | |
f5d942e1 | 564 | finish_async(&demux); |
739cf491 | 565 | } |
37cb1dd6 | 566 | fd[1] = -1; |
f5d942e1 NTND |
567 | return -1; |
568 | } | |
37cb1dd6 JL |
569 | if (!args->stateless_rpc) |
570 | /* Closed by pack_objects() via start_command() */ | |
571 | fd[1] = -1; | |
f5d942e1 NTND |
572 | } |
573 | if (args->stateless_rpc && cmds_sent) | |
574 | packet_flush(out); | |
575 | ||
576 | if (status_report && cmds_sent) | |
01f9ec64 | 577 | ret = receive_status(&reader, remote_refs); |
f5d942e1 NTND |
578 | else |
579 | ret = 0; | |
580 | if (args->stateless_rpc) | |
581 | packet_flush(out); | |
582 | ||
583 | if (use_sideband && cmds_sent) { | |
739cf491 | 584 | close(demux.out); |
f5d942e1 NTND |
585 | if (finish_async(&demux)) { |
586 | error("error in sideband demultiplexer"); | |
587 | ret = -1; | |
588 | } | |
f5d942e1 NTND |
589 | } |
590 | ||
591 | if (ret < 0) | |
592 | return ret; | |
593 | ||
594 | if (args->porcelain) | |
595 | return 0; | |
596 | ||
597 | for (ref = remote_refs; ref; ref = ref->next) { | |
598 | switch (ref->status) { | |
599 | case REF_STATUS_NONE: | |
600 | case REF_STATUS_UPTODATE: | |
601 | case REF_STATUS_OK: | |
602 | break; | |
603 | default: | |
604 | return -1; | |
605 | } | |
606 | } | |
607 | return 0; | |
608 | } |