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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 | 17 | #include "cache.h" |
120ad2b0 | 18 | #include "shallow.h" |
30261094 DB |
19 | |
20 | int option_parse_push_signed(const struct option *opt, | |
21 | const char *arg, int unset) | |
22 | { | |
23 | if (unset) { | |
24 | *(int *)(opt->value) = SEND_PACK_PUSH_CERT_NEVER; | |
25 | return 0; | |
26 | } | |
27 | switch (git_parse_maybe_bool(arg)) { | |
28 | case 1: | |
29 | *(int *)(opt->value) = SEND_PACK_PUSH_CERT_ALWAYS; | |
30 | return 0; | |
31 | case 0: | |
32 | *(int *)(opt->value) = SEND_PACK_PUSH_CERT_NEVER; | |
33 | return 0; | |
34 | } | |
35 | if (!strcasecmp("if-asked", arg)) { | |
36 | *(int *)(opt->value) = SEND_PACK_PUSH_CERT_IF_ASKED; | |
37 | return 0; | |
38 | } | |
39 | die("bad %s argument: %s", opt->long_name, arg); | |
40 | } | |
f5d942e1 | 41 | |
246d7400 | 42 | static void feed_object(const struct object_id *oid, FILE *fh, int negative) |
f5d942e1 | 43 | { |
d8bc1a51 | 44 | if (negative && |
5cf7a17d JK |
45 | !has_object_file_with_flags(oid, |
46 | OBJECT_INFO_SKIP_FETCH_OBJECT | | |
47 | OBJECT_INFO_QUICK)) | |
f0bca72d | 48 | return; |
f5d942e1 | 49 | |
f5d942e1 | 50 | if (negative) |
f0bca72d | 51 | putc('^', fh); |
246d7400 | 52 | fputs(oid_to_hex(oid), fh); |
f0bca72d | 53 | putc('\n', fh); |
f5d942e1 NTND |
54 | } |
55 | ||
56 | /* | |
57 | * Make a pack stream and spit it out into file descriptor fd | |
58 | */ | |
910650d2 | 59 | static int pack_objects(int fd, struct ref *refs, struct oid_array *extra, struct send_pack_args *args) |
f5d942e1 NTND |
60 | { |
61 | /* | |
62 | * The child becomes pack-objects --revs; we feed | |
63 | * the revision parameters to it via its stdin and | |
64 | * let its stdout go back to the other end. | |
65 | */ | |
d3180279 | 66 | struct child_process po = CHILD_PROCESS_INIT; |
f0bca72d | 67 | FILE *po_in; |
f5d942e1 | 68 | int i; |
d1a13d3f | 69 | int rc; |
f5d942e1 | 70 | |
c972bf4c JK |
71 | strvec_push(&po.args, "pack-objects"); |
72 | strvec_push(&po.args, "--all-progress-implied"); | |
73 | strvec_push(&po.args, "--revs"); | |
74 | strvec_push(&po.args, "--stdout"); | |
f5d942e1 | 75 | if (args->use_thin_pack) |
c972bf4c | 76 | strvec_push(&po.args, "--thin"); |
f5d942e1 | 77 | if (args->use_ofs_delta) |
c972bf4c | 78 | strvec_push(&po.args, "--delta-base-offset"); |
f5d942e1 | 79 | if (args->quiet || !args->progress) |
c972bf4c | 80 | strvec_push(&po.args, "-q"); |
f5d942e1 | 81 | if (args->progress) |
c972bf4c | 82 | strvec_push(&po.args, "--progress"); |
c8813487 | 83 | if (is_repository_shallow(the_repository)) |
c972bf4c | 84 | strvec_push(&po.args, "--shallow"); |
f5d942e1 NTND |
85 | po.in = -1; |
86 | po.out = args->stateless_rpc ? -1 : fd; | |
87 | po.git_cmd = 1; | |
8b599351 | 88 | po.clean_on_exit = 1; |
f5d942e1 NTND |
89 | if (start_command(&po)) |
90 | die_errno("git pack-objects failed"); | |
91 | ||
92 | /* | |
93 | * We feed the pack-objects we just spawned with revision | |
94 | * parameters by writing to the pipe. | |
95 | */ | |
f0bca72d | 96 | po_in = xfdopen(po.in, "w"); |
f5d942e1 | 97 | for (i = 0; i < extra->nr; i++) |
246d7400 | 98 | feed_object(&extra->oid[i], po_in, 1); |
f5d942e1 NTND |
99 | |
100 | while (refs) { | |
f0bca72d | 101 | if (!is_null_oid(&refs->old_oid)) |
246d7400 | 102 | feed_object(&refs->old_oid, po_in, 1); |
f0bca72d | 103 | if (!is_null_oid(&refs->new_oid)) |
246d7400 | 104 | feed_object(&refs->new_oid, po_in, 0); |
f5d942e1 NTND |
105 | refs = refs->next; |
106 | } | |
107 | ||
f0bca72d JK |
108 | fflush(po_in); |
109 | if (ferror(po_in)) | |
110 | die_errno("error writing to pack-objects"); | |
111 | fclose(po_in); | |
f5d942e1 NTND |
112 | |
113 | if (args->stateless_rpc) { | |
114 | char *buf = xmalloc(LARGE_PACKET_MAX); | |
115 | while (1) { | |
116 | ssize_t n = xread(po.out, buf, LARGE_PACKET_MAX); | |
117 | if (n <= 0) | |
118 | break; | |
119 | send_sideband(fd, -1, buf, n, LARGE_PACKET_MAX); | |
120 | } | |
121 | free(buf); | |
122 | close(po.out); | |
123 | po.out = -1; | |
124 | } | |
125 | ||
d1a13d3f JK |
126 | rc = finish_command(&po); |
127 | if (rc) { | |
128 | /* | |
129 | * For a normal non-zero exit, we assume pack-objects wrote | |
130 | * something useful to stderr. For death by signal, though, | |
131 | * we should mention it to the user. The exception is SIGPIPE | |
64127575 | 132 | * (141), because that's a normal occurrence if the remote end |
d1a13d3f JK |
133 | * hangs up (and we'll report that by trying to read the unpack |
134 | * status). | |
135 | */ | |
136 | if (rc > 128 && rc != 141) | |
137 | error("pack-objects died of signal %d", rc - 128); | |
f5d942e1 | 138 | return -1; |
d1a13d3f | 139 | } |
f5d942e1 NTND |
140 | return 0; |
141 | } | |
142 | ||
01f9ec64 | 143 | static int receive_unpack_status(struct packet_reader *reader) |
f5d942e1 | 144 | { |
01f9ec64 | 145 | if (packet_reader_read(reader) != PACKET_READ_NORMAL) |
bb1356dc | 146 | return error(_("unexpected flush packet while reading remote unpack status")); |
01f9ec64 MS |
147 | if (!skip_prefix(reader->line, "unpack ", &reader->line)) |
148 | return error(_("unable to parse remote unpack status: %s"), reader->line); | |
149 | if (strcmp(reader->line, "ok")) | |
150 | return error(_("remote unpack failed: %s"), reader->line); | |
7c39df29 JK |
151 | return 0; |
152 | } | |
153 | ||
01f9ec64 | 154 | static int receive_status(struct packet_reader *reader, struct ref *refs) |
7c39df29 JK |
155 | { |
156 | struct ref *hint; | |
157 | int ret; | |
63518a57 JX |
158 | struct ref_push_report *report = NULL; |
159 | int new_report = 0; | |
160 | int once = 0; | |
7c39df29 | 161 | |
f5d942e1 | 162 | hint = NULL; |
01f9ec64 | 163 | ret = receive_unpack_status(reader); |
f5d942e1 | 164 | while (1) { |
63518a57 JX |
165 | struct object_id old_oid, new_oid; |
166 | const char *head; | |
01f9ec64 | 167 | const char *refname; |
63518a57 | 168 | char *p; |
01f9ec64 | 169 | if (packet_reader_read(reader) != PACKET_READ_NORMAL) |
f5d942e1 | 170 | break; |
63518a57 JX |
171 | head = reader->line; |
172 | p = strchr(head, ' '); | |
173 | if (!p) { | |
174 | error("invalid status line from remote: %s", reader->line); | |
f5d942e1 NTND |
175 | ret = -1; |
176 | break; | |
177 | } | |
63518a57 JX |
178 | *p++ = '\0'; |
179 | ||
180 | if (!strcmp(head, "option")) { | |
181 | const char *key, *val; | |
182 | ||
183 | if (!hint || !(report || new_report)) { | |
184 | if (!once++) | |
185 | error("'option' without a matching 'ok/ng' directive"); | |
186 | ret = -1; | |
187 | continue; | |
188 | } | |
189 | if (new_report) { | |
190 | if (!hint->report) { | |
191 | hint->report = xcalloc(1, sizeof(struct ref_push_report)); | |
192 | report = hint->report; | |
193 | } else { | |
194 | report = hint->report; | |
195 | while (report->next) | |
196 | report = report->next; | |
197 | report->next = xcalloc(1, sizeof(struct ref_push_report)); | |
198 | report = report->next; | |
199 | } | |
200 | new_report = 0; | |
201 | } | |
202 | key = p; | |
203 | p = strchr(key, ' '); | |
204 | if (p) | |
205 | *p++ = '\0'; | |
206 | val = p; | |
207 | if (!strcmp(key, "refname")) | |
208 | report->ref_name = xstrdup_or_null(val); | |
209 | else if (!strcmp(key, "old-oid") && val && | |
210 | !parse_oid_hex(val, &old_oid, &val)) | |
211 | report->old_oid = oiddup(&old_oid); | |
212 | else if (!strcmp(key, "new-oid") && val && | |
213 | !parse_oid_hex(val, &new_oid, &val)) | |
214 | report->new_oid = oiddup(&new_oid); | |
215 | else if (!strcmp(key, "forced-update")) | |
216 | report->forced_update = 1; | |
217 | continue; | |
218 | } | |
f5d942e1 | 219 | |
63518a57 JX |
220 | report = NULL; |
221 | new_report = 0; | |
222 | if (strcmp(head, "ok") && strcmp(head, "ng")) { | |
223 | error("invalid ref status from remote: %s", head); | |
224 | ret = -1; | |
225 | break; | |
226 | } | |
227 | refname = p; | |
228 | p = strchr(refname, ' '); | |
229 | if (p) | |
230 | *p++ = '\0'; | |
f5d942e1 NTND |
231 | /* first try searching at our hint, falling back to all refs */ |
232 | if (hint) | |
233 | hint = find_ref_by_name(hint, refname); | |
234 | if (!hint) | |
235 | hint = find_ref_by_name(refs, refname); | |
236 | if (!hint) { | |
237 | warning("remote reported status on unknown ref: %s", | |
63518a57 | 238 | refname); |
f5d942e1 NTND |
239 | continue; |
240 | } | |
63518a57 JX |
241 | if (hint->status != REF_STATUS_EXPECTING_REPORT && |
242 | hint->status != REF_STATUS_OK && | |
243 | hint->status != REF_STATUS_REMOTE_REJECT) { | |
f5d942e1 | 244 | warning("remote reported status on unexpected ref: %s", |
63518a57 | 245 | refname); |
f5d942e1 NTND |
246 | continue; |
247 | } | |
63518a57 | 248 | if (!strcmp(head, "ng")) { |
f5d942e1 | 249 | hint->status = REF_STATUS_REMOTE_REJECT; |
63518a57 JX |
250 | if (p) |
251 | hint->remote_status = xstrdup(p); | |
252 | else | |
253 | hint->remote_status = "failed"; | |
254 | } else { | |
255 | hint->status = REF_STATUS_OK; | |
256 | hint->remote_status = xstrdup_or_null(p); | |
257 | new_report = 1; | |
258 | } | |
f5d942e1 NTND |
259 | } |
260 | return ret; | |
261 | } | |
262 | ||
263 | static int sideband_demux(int in, int out, void *data) | |
264 | { | |
265 | int *fd = data, ret; | |
c0e40a2d NTND |
266 | if (async_with_fork()) |
267 | close(fd[1]); | |
f5d942e1 NTND |
268 | ret = recv_sideband("send-pack", fd[0], out); |
269 | close(out); | |
270 | return ret; | |
271 | } | |
272 | ||
f2c681cf NTND |
273 | static int advertise_shallow_grafts_cb(const struct commit_graft *graft, void *cb) |
274 | { | |
275 | struct strbuf *sb = cb; | |
276 | if (graft->nr_parent == -1) | |
7683e2e6 | 277 | packet_buf_write(sb, "shallow %s\n", oid_to_hex(&graft->oid)); |
f2c681cf NTND |
278 | return 0; |
279 | } | |
280 | ||
16a2743c | 281 | static void advertise_shallow_grafts_buf(struct strbuf *sb) |
f2c681cf | 282 | { |
c8813487 | 283 | if (!is_repository_shallow(the_repository)) |
f2c681cf NTND |
284 | return; |
285 | for_each_commit_graft(advertise_shallow_grafts_cb, sb); | |
286 | } | |
287 | ||
7582e939 SB |
288 | #define CHECK_REF_NO_PUSH -1 |
289 | #define CHECK_REF_STATUS_REJECTED -2 | |
290 | #define CHECK_REF_UPTODATE -3 | |
291 | static int check_to_send_update(const struct ref *ref, const struct send_pack_args *args) | |
e40671a3 JH |
292 | { |
293 | if (!ref->peer_ref && !args->send_mirror) | |
7582e939 | 294 | return CHECK_REF_NO_PUSH; |
e40671a3 JH |
295 | |
296 | /* Check for statuses set by set_ref_status_for_push() */ | |
297 | switch (ref->status) { | |
298 | case REF_STATUS_REJECT_NONFASTFORWARD: | |
299 | case REF_STATUS_REJECT_ALREADY_EXISTS: | |
300 | case REF_STATUS_REJECT_FETCH_FIRST: | |
301 | case REF_STATUS_REJECT_NEEDS_FORCE: | |
302 | case REF_STATUS_REJECT_STALE: | |
99a1f9ae | 303 | case REF_STATUS_REJECT_REMOTE_UPDATED: |
e40671a3 | 304 | case REF_STATUS_REJECT_NODELETE: |
7582e939 | 305 | return CHECK_REF_STATUS_REJECTED; |
e40671a3 | 306 | case REF_STATUS_UPTODATE: |
7582e939 | 307 | return CHECK_REF_UPTODATE; |
a4f324a4 | 308 | |
e40671a3 | 309 | default: |
a4f324a4 HX |
310 | case REF_STATUS_EXPECTING_REPORT: |
311 | /* already passed checks on the local side */ | |
312 | case REF_STATUS_OK: | |
313 | /* of course this is OK */ | |
7582e939 | 314 | return 0; |
e40671a3 JH |
315 | } |
316 | } | |
317 | ||
a85b377d JH |
318 | /* |
319 | * the beginning of the next line, or the end of buffer. | |
320 | * | |
321 | * NEEDSWORK: perhaps move this to git-compat-util.h or somewhere and | |
322 | * convert many similar uses found by "git grep -A4 memchr". | |
323 | */ | |
324 | static const char *next_line(const char *line, size_t len) | |
325 | { | |
326 | const char *nl = memchr(line, '\n', len); | |
327 | if (!nl) | |
328 | return line + len; /* incomplete line */ | |
329 | return nl + 1; | |
330 | } | |
331 | ||
20a7558f JH |
332 | static int generate_push_cert(struct strbuf *req_buf, |
333 | const struct ref *remote_refs, | |
334 | struct send_pack_args *args, | |
b89363e4 JH |
335 | const char *cap_string, |
336 | const char *push_cert_nonce) | |
a85b377d JH |
337 | { |
338 | const struct ref *ref; | |
f6a4e61f | 339 | struct string_list_item *item; |
a85b377d JH |
340 | char *signing_key = xstrdup(get_signing_key()); |
341 | const char *cp, *np; | |
342 | struct strbuf cert = STRBUF_INIT; | |
343 | int update_seen = 0; | |
344 | ||
02962d36 | 345 | strbuf_addstr(&cert, "certificate version 0.1\n"); |
fb06b528 JH |
346 | strbuf_addf(&cert, "pusher %s ", signing_key); |
347 | datestamp(&cert); | |
348 | strbuf_addch(&cert, '\n'); | |
9be89160 JH |
349 | if (args->url && *args->url) { |
350 | char *anon_url = transport_anonymize_url(args->url); | |
351 | strbuf_addf(&cert, "pushee %s\n", anon_url); | |
352 | free(anon_url); | |
353 | } | |
b89363e4 JH |
354 | if (push_cert_nonce[0]) |
355 | strbuf_addf(&cert, "nonce %s\n", push_cert_nonce); | |
f6a4e61f SB |
356 | if (args->push_options) |
357 | for_each_string_list_item(item, args->push_options) | |
358 | strbuf_addf(&cert, "push-option %s\n", item->string); | |
a85b377d JH |
359 | strbuf_addstr(&cert, "\n"); |
360 | ||
361 | for (ref = remote_refs; ref; ref = ref->next) { | |
7582e939 | 362 | if (check_to_send_update(ref, args) < 0) |
a85b377d JH |
363 | continue; |
364 | update_seen = 1; | |
365 | strbuf_addf(&cert, "%s %s %s\n", | |
f4e54d02 | 366 | oid_to_hex(&ref->old_oid), |
367 | oid_to_hex(&ref->new_oid), | |
a85b377d JH |
368 | ref->name); |
369 | } | |
370 | if (!update_seen) | |
371 | goto free_return; | |
372 | ||
373 | if (sign_buffer(&cert, &cert, signing_key)) | |
374 | die(_("failed to sign the push certificate")); | |
375 | ||
20a7558f | 376 | packet_buf_write(req_buf, "push-cert%c%s", 0, cap_string); |
a85b377d JH |
377 | for (cp = cert.buf; cp < cert.buf + cert.len; cp = np) { |
378 | np = next_line(cp, cert.buf + cert.len - cp); | |
379 | packet_buf_write(req_buf, | |
380 | "%.*s", (int)(np - cp), cp); | |
381 | } | |
382 | packet_buf_write(req_buf, "push-cert-end\n"); | |
383 | ||
384 | free_return: | |
385 | free(signing_key); | |
386 | strbuf_release(&cert); | |
20a7558f | 387 | return update_seen; |
a85b377d JH |
388 | } |
389 | ||
afcb6ee3 JH |
390 | #define NONCE_LEN_LIMIT 256 |
391 | ||
392 | static void reject_invalid_nonce(const char *nonce, int len) | |
393 | { | |
394 | int i = 0; | |
395 | ||
396 | if (NONCE_LEN_LIMIT <= len) | |
397 | die("the receiving end asked to sign an invalid nonce <%.*s>", | |
398 | len, nonce); | |
399 | ||
400 | for (i = 0; i < len; i++) { | |
401 | int ch = nonce[i] & 0xFF; | |
402 | if (isalnum(ch) || | |
403 | ch == '-' || ch == '.' || | |
404 | ch == '/' || ch == '+' || | |
405 | ch == '=' || ch == '_') | |
406 | continue; | |
407 | die("the receiving end asked to sign an invalid nonce <%.*s>", | |
408 | len, nonce); | |
409 | } | |
410 | } | |
411 | ||
f5d942e1 NTND |
412 | int send_pack(struct send_pack_args *args, |
413 | int fd[], struct child_process *conn, | |
414 | struct ref *remote_refs, | |
910650d2 | 415 | struct oid_array *extra_have) |
f5d942e1 NTND |
416 | { |
417 | int in = fd[0]; | |
418 | int out = fd[1]; | |
419 | struct strbuf req_buf = STRBUF_INIT; | |
887f3533 | 420 | struct strbuf cap_buf = STRBUF_INIT; |
f5d942e1 | 421 | struct ref *ref; |
ab2b0c90 | 422 | int need_pack_data = 0; |
f5d942e1 NTND |
423 | int allow_deleting_refs = 0; |
424 | int status_report = 0; | |
425 | int use_sideband = 0; | |
426 | int quiet_supported = 0; | |
427 | int agent_supported = 0; | |
8c487002 | 428 | int advertise_sid = 0; |
4ff17f10 RS |
429 | int use_atomic = 0; |
430 | int atomic_supported = 0; | |
f6a4e61f SB |
431 | int use_push_options = 0; |
432 | int push_options_supported = 0; | |
82db03ab | 433 | int object_format_supported = 0; |
f5d942e1 NTND |
434 | unsigned cmds_sent = 0; |
435 | int ret; | |
436 | struct async demux; | |
b89363e4 | 437 | const char *push_cert_nonce = NULL; |
01f9ec64 | 438 | struct packet_reader reader; |
f5d942e1 | 439 | |
8c487002 JS |
440 | git_config_get_bool("transfer.advertisesid", &advertise_sid); |
441 | ||
f5d942e1 | 442 | /* Does the other end support the reporting? */ |
63518a57 JX |
443 | if (server_supports("report-status-v2")) |
444 | status_report = 2; | |
445 | else if (server_supports("report-status")) | |
f5d942e1 NTND |
446 | status_report = 1; |
447 | if (server_supports("delete-refs")) | |
448 | allow_deleting_refs = 1; | |
449 | if (server_supports("ofs-delta")) | |
450 | args->use_ofs_delta = 1; | |
451 | if (server_supports("side-band-64k")) | |
452 | use_sideband = 1; | |
453 | if (server_supports("quiet")) | |
454 | quiet_supported = 1; | |
455 | if (server_supports("agent")) | |
456 | agent_supported = 1; | |
8c487002 JS |
457 | if (!server_supports("session-id")) |
458 | advertise_sid = 0; | |
1ba98a79 CMN |
459 | if (server_supports("no-thin")) |
460 | args->use_thin_pack = 0; | |
4ff17f10 RS |
461 | if (server_supports("atomic")) |
462 | atomic_supported = 1; | |
f6a4e61f SB |
463 | if (server_supports("push-options")) |
464 | push_options_supported = 1; | |
b89363e4 | 465 | |
82db03ab | 466 | if (!server_supports_hash(the_hash_algo->name, &object_format_supported)) |
467 | die(_("the receiving end does not support this repository's hash algorithm")); | |
468 | ||
30261094 DB |
469 | if (args->push_cert != SEND_PACK_PUSH_CERT_NEVER) { |
470 | int len; | |
b89363e4 | 471 | push_cert_nonce = server_feature_value("push-cert", &len); |
30261094 DB |
472 | if (push_cert_nonce) { |
473 | reject_invalid_nonce(push_cert_nonce, len); | |
474 | push_cert_nonce = xmemdupz(push_cert_nonce, len); | |
475 | } else if (args->push_cert == SEND_PACK_PUSH_CERT_ALWAYS) { | |
b89363e4 | 476 | die(_("the receiving end does not support --signed push")); |
30261094 DB |
477 | } else if (args->push_cert == SEND_PACK_PUSH_CERT_IF_ASKED) { |
478 | warning(_("not sending a push certificate since the" | |
479 | " receiving end does not support --signed" | |
480 | " push")); | |
481 | } | |
b89363e4 | 482 | } |
f5d942e1 NTND |
483 | |
484 | if (!remote_refs) { | |
485 | fprintf(stderr, "No refs in common and none specified; doing nothing.\n" | |
4d04658d | 486 | "Perhaps you should specify a branch.\n"); |
f5d942e1 NTND |
487 | return 0; |
488 | } | |
4ff17f10 | 489 | if (args->atomic && !atomic_supported) |
c8b8f22a | 490 | die(_("the receiving end does not support --atomic push")); |
4ff17f10 RS |
491 | |
492 | use_atomic = atomic_supported && args->atomic; | |
f5d942e1 | 493 | |
f6a4e61f SB |
494 | if (args->push_options && !push_options_supported) |
495 | die(_("the receiving end does not support push options")); | |
496 | ||
497 | use_push_options = push_options_supported && args->push_options; | |
498 | ||
63518a57 | 499 | if (status_report == 1) |
887f3533 | 500 | strbuf_addstr(&cap_buf, " report-status"); |
63518a57 JX |
501 | else if (status_report == 2) |
502 | strbuf_addstr(&cap_buf, " report-status-v2"); | |
887f3533 JH |
503 | if (use_sideband) |
504 | strbuf_addstr(&cap_buf, " side-band-64k"); | |
505 | if (quiet_supported && (args->quiet || !args->progress)) | |
506 | strbuf_addstr(&cap_buf, " quiet"); | |
4ff17f10 RS |
507 | if (use_atomic) |
508 | strbuf_addstr(&cap_buf, " atomic"); | |
f6a4e61f SB |
509 | if (use_push_options) |
510 | strbuf_addstr(&cap_buf, " push-options"); | |
82db03ab | 511 | if (object_format_supported) |
512 | strbuf_addf(&cap_buf, " object-format=%s", the_hash_algo->name); | |
887f3533 JH |
513 | if (agent_supported) |
514 | strbuf_addf(&cap_buf, " agent=%s", git_user_agent_sanitized()); | |
8c487002 JS |
515 | if (advertise_sid) |
516 | strbuf_addf(&cap_buf, " session-id=%s", trace2_session_id()); | |
887f3533 | 517 | |
621b0599 JH |
518 | /* |
519 | * NEEDSWORK: why does delete-refs have to be so specific to | |
520 | * send-pack machinery that set_ref_status_for_push() cannot | |
521 | * set this bit for us??? | |
522 | */ | |
523 | for (ref = remote_refs; ref; ref = ref->next) | |
524 | if (ref->deletion && !allow_deleting_refs) | |
525 | ref->status = REF_STATUS_REJECT_NODELETE; | |
526 | ||
f5d942e1 | 527 | /* |
b783aa71 JH |
528 | * Clear the status for each ref and see if we need to send |
529 | * the pack data. | |
f5d942e1 | 530 | */ |
f5d942e1 | 531 | for (ref = remote_refs; ref; ref = ref->next) { |
4ff17f10 RS |
532 | switch (check_to_send_update(ref, args)) { |
533 | case 0: /* no error */ | |
534 | break; | |
535 | case CHECK_REF_STATUS_REJECTED: | |
536 | /* | |
537 | * When we know the server would reject a ref update if | |
538 | * we were to send it and we're trying to send the refs | |
539 | * atomically, abort the whole operation. | |
540 | */ | |
872d651f RS |
541 | if (use_atomic) { |
542 | strbuf_release(&req_buf); | |
543 | strbuf_release(&cap_buf); | |
dfe1b7f1 JX |
544 | reject_atomic_push(remote_refs, args->send_mirror); |
545 | error("atomic push failed for ref %s. status: %d\n", | |
546 | ref->name, ref->status); | |
7dcbeaa0 | 547 | return args->porcelain ? 0 : -1; |
872d651f | 548 | } |
1cf01a34 | 549 | /* else fallthrough */ |
4ff17f10 | 550 | default: |
f5d942e1 | 551 | continue; |
4ff17f10 | 552 | } |
f5d942e1 | 553 | if (!ref->deletion) |
ab2b0c90 | 554 | need_pack_data = 1; |
f5d942e1 | 555 | |
b783aa71 | 556 | if (args->dry_run || !status_report) |
f5d942e1 | 557 | ref->status = REF_STATUS_OK; |
b783aa71 JH |
558 | else |
559 | ref->status = REF_STATUS_EXPECTING_REPORT; | |
560 | } | |
561 | ||
a4f324a4 HX |
562 | if (!args->dry_run) |
563 | advertise_shallow_grafts_buf(&req_buf); | |
564 | ||
b783aa71 JH |
565 | /* |
566 | * Finally, tell the other end! | |
567 | */ | |
a4f324a4 HX |
568 | if (!args->dry_run && push_cert_nonce) |
569 | cmds_sent = generate_push_cert(&req_buf, remote_refs, args, | |
570 | cap_buf.buf, push_cert_nonce); | |
571 | else if (!args->dry_run) | |
572 | for (ref = remote_refs; ref; ref = ref->next) { | |
573 | char *old_hex, *new_hex; | |
f5d942e1 | 574 | |
a4f324a4 HX |
575 | if (check_to_send_update(ref, args) < 0) |
576 | continue; | |
f5d942e1 | 577 | |
a4f324a4 HX |
578 | old_hex = oid_to_hex(&ref->old_oid); |
579 | new_hex = oid_to_hex(&ref->new_oid); | |
580 | if (!cmds_sent) { | |
581 | packet_buf_write(&req_buf, | |
582 | "%s %s %s%c%s", | |
583 | old_hex, new_hex, ref->name, 0, | |
584 | cap_buf.buf); | |
585 | cmds_sent = 1; | |
586 | } else { | |
587 | packet_buf_write(&req_buf, "%s %s %s", | |
588 | old_hex, new_hex, ref->name); | |
589 | } | |
f5d942e1 | 590 | } |
f5d942e1 | 591 | |
eb7b9749 BW |
592 | if (use_push_options) { |
593 | struct string_list_item *item; | |
594 | ||
595 | packet_buf_flush(&req_buf); | |
596 | for_each_string_list_item(item, args->push_options) | |
597 | packet_buf_write(&req_buf, "%s", item->string); | |
598 | } | |
599 | ||
f5d942e1 | 600 | if (args->stateless_rpc) { |
c8813487 | 601 | if (!args->dry_run && (cmds_sent || is_repository_shallow(the_repository))) { |
f5d942e1 NTND |
602 | packet_buf_flush(&req_buf); |
603 | send_sideband(out, -1, req_buf.buf, req_buf.len, LARGE_PACKET_MAX); | |
604 | } | |
605 | } else { | |
cdf4fb8e | 606 | write_or_die(out, req_buf.buf, req_buf.len); |
f5d942e1 NTND |
607 | packet_flush(out); |
608 | } | |
609 | strbuf_release(&req_buf); | |
887f3533 | 610 | strbuf_release(&cap_buf); |
f5d942e1 NTND |
611 | |
612 | if (use_sideband && cmds_sent) { | |
613 | memset(&demux, 0, sizeof(demux)); | |
614 | demux.proc = sideband_demux; | |
615 | demux.data = fd; | |
616 | demux.out = -1; | |
3e8b06d0 | 617 | demux.isolate_sigpipe = 1; |
f5d942e1 NTND |
618 | if (start_async(&demux)) |
619 | die("send-pack: unable to fork off sideband demultiplexer"); | |
620 | in = demux.out; | |
621 | } | |
622 | ||
2d103c31 MS |
623 | packet_reader_init(&reader, in, NULL, 0, |
624 | PACKET_READ_CHOMP_NEWLINE | | |
625 | PACKET_READ_DIE_ON_ERR_PACKET); | |
01f9ec64 | 626 | |
ab2b0c90 | 627 | if (need_pack_data && cmds_sent) { |
f5d942e1 | 628 | if (pack_objects(out, remote_refs, extra_have, args) < 0) { |
f5d942e1 NTND |
629 | if (args->stateless_rpc) |
630 | close(out); | |
631 | if (git_connection_is_socket(conn)) | |
632 | shutdown(fd[0], SHUT_WR); | |
ba69f92d JK |
633 | |
634 | /* | |
635 | * Do not even bother with the return value; we know we | |
ad7a4032 JK |
636 | * are failing, and just want the error() side effects, |
637 | * as well as marking refs with their remote status (if | |
638 | * we get one). | |
ba69f92d JK |
639 | */ |
640 | if (status_report) | |
ad7a4032 | 641 | receive_status(&reader, remote_refs); |
ba69f92d | 642 | |
739cf491 JK |
643 | if (use_sideband) { |
644 | close(demux.out); | |
f5d942e1 | 645 | finish_async(&demux); |
739cf491 | 646 | } |
37cb1dd6 | 647 | fd[1] = -1; |
f5d942e1 NTND |
648 | return -1; |
649 | } | |
37cb1dd6 JL |
650 | if (!args->stateless_rpc) |
651 | /* Closed by pack_objects() via start_command() */ | |
652 | fd[1] = -1; | |
f5d942e1 NTND |
653 | } |
654 | if (args->stateless_rpc && cmds_sent) | |
655 | packet_flush(out); | |
656 | ||
657 | if (status_report && cmds_sent) | |
01f9ec64 | 658 | ret = receive_status(&reader, remote_refs); |
f5d942e1 NTND |
659 | else |
660 | ret = 0; | |
661 | if (args->stateless_rpc) | |
662 | packet_flush(out); | |
663 | ||
664 | if (use_sideband && cmds_sent) { | |
739cf491 | 665 | close(demux.out); |
f5d942e1 NTND |
666 | if (finish_async(&demux)) { |
667 | error("error in sideband demultiplexer"); | |
668 | ret = -1; | |
669 | } | |
f5d942e1 NTND |
670 | } |
671 | ||
672 | if (ret < 0) | |
673 | return ret; | |
674 | ||
675 | if (args->porcelain) | |
676 | return 0; | |
677 | ||
678 | for (ref = remote_refs; ref; ref = ref->next) { | |
679 | switch (ref->status) { | |
680 | case REF_STATUS_NONE: | |
681 | case REF_STATUS_UPTODATE: | |
682 | case REF_STATUS_OK: | |
683 | break; | |
684 | default: | |
685 | return -1; | |
686 | } | |
687 | } | |
688 | return 0; | |
689 | } |