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Commit | Line | Data |
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1e4cd68c | 1 | #include "builtin.h" |
a49d2834 | 2 | #include "repository.h" |
b2141fc1 | 3 | #include "config.h" |
697cc8ef | 4 | #include "lockfile.h" |
fc04c412 | 5 | #include "pack.h" |
8a65ff76 | 6 | #include "refs.h" |
f3a3214e | 7 | #include "pkt-line.h" |
38a81b4e | 8 | #include "sideband.h" |
b1bf95bb | 9 | #include "run-command.h" |
d807c4a0 | 10 | #include "exec-cmd.h" |
11031d7e JS |
11 | #include "commit.h" |
12 | #include "object.h" | |
d79796bc | 13 | #include "remote.h" |
47a59185 | 14 | #include "connect.h" |
da3efdb1 | 15 | #include "string-list.h" |
fe299ec5 | 16 | #include "oid-array.h" |
52fed6e1 | 17 | #include "connected.h" |
dbbcd44f | 18 | #include "strvec.h" |
ff5effdf | 19 | #include "version.h" |
d05b9618 JH |
20 | #include "tag.h" |
21 | #include "gpg-interface.h" | |
ec7dbd14 | 22 | #include "sigchain.h" |
5d477a33 | 23 | #include "fsck.h" |
722ff7f8 | 24 | #include "tmp-objdir.h" |
ab6eea6f | 25 | #include "oidset.h" |
3836d88a | 26 | #include "packfile.h" |
cbd53a21 | 27 | #include "object-store.h" |
aa9bab29 | 28 | #include "protocol.h" |
64043556 | 29 | #include "commit-reach.h" |
4ef34648 | 30 | #include "worktree.h" |
120ad2b0 | 31 | #include "shallow.h" |
575f4974 | 32 | |
1b68387e SS |
33 | static const char * const receive_pack_usage[] = { |
34 | N_("git receive-pack <git-dir>"), | |
35 | NULL | |
36 | }; | |
575f4974 | 37 | |
986e8239 | 38 | enum deny_action { |
3d95d92b | 39 | DENY_UNCONFIGURED, |
986e8239 JK |
40 | DENY_IGNORE, |
41 | DENY_WARN, | |
1404bcbb JS |
42 | DENY_REFUSE, |
43 | DENY_UPDATE_INSTEAD | |
986e8239 JK |
44 | }; |
45 | ||
1b53a076 JH |
46 | static int deny_deletes; |
47 | static int deny_non_fast_forwards; | |
3d95d92b | 48 | static enum deny_action deny_current_branch = DENY_UNCONFIGURED; |
747ca245 | 49 | static enum deny_action deny_delete_current = DENY_UNCONFIGURED; |
dab76d3a JH |
50 | static int receive_fsck_objects = -1; |
51 | static int transfer_fsck_objects = -1; | |
5d477a33 | 52 | static struct strbuf fsck_msg_types = STRBUF_INIT; |
e28714c5 JH |
53 | static int receive_unpack_limit = -1; |
54 | static int transfer_unpack_limit = -1; | |
1b70fe5d | 55 | static int advertise_atomic_push = 1; |
c714e45f | 56 | static int advertise_push_options; |
46732fae | 57 | static int unpack_limit = 100; |
c08db5a2 | 58 | static off_t max_input_size; |
96f1e58f | 59 | static int report_status; |
63518a57 | 60 | static int report_status_v2; |
38a81b4e | 61 | static int use_sideband; |
68deed29 | 62 | static int use_atomic; |
c714e45f | 63 | static int use_push_options; |
c207e34f | 64 | static int quiet; |
b74fce16 | 65 | static int prefer_ofs_delta = 1; |
77e3efbf JH |
66 | static int auto_update_server_info; |
67 | static int auto_gc = 1; | |
1b68387e | 68 | static int reject_thin; |
5732373d JH |
69 | static int stateless_rpc; |
70 | static const char *service_dir; | |
747ca245 | 71 | static const char *head_name; |
96ec7b1e | 72 | static void *head_name_to_free; |
185c04e0 | 73 | static int sent_capabilities; |
0a1bc12b | 74 | static int shallow_update; |
5dbd7676 | 75 | static const char *alt_shallow_file; |
a85b377d | 76 | static struct strbuf push_cert = STRBUF_INIT; |
a09c985e | 77 | static struct object_id push_cert_oid; |
d05b9618 | 78 | static struct signature_check sigcheck; |
b89363e4 JH |
79 | static const char *push_cert_nonce; |
80 | static const char *cert_nonce_seed; | |
81 | ||
82 | static const char *NONCE_UNSOLICITED = "UNSOLICITED"; | |
83 | static const char *NONCE_BAD = "BAD"; | |
84 | static const char *NONCE_MISSING = "MISSING"; | |
85 | static const char *NONCE_OK = "OK"; | |
5732373d | 86 | static const char *NONCE_SLOP = "SLOP"; |
b89363e4 | 87 | static const char *nonce_status; |
5732373d | 88 | static long nonce_stamp_slop; |
dddbad72 | 89 | static timestamp_t nonce_stamp_slop_limit; |
222368c6 | 90 | static struct ref_transaction *transaction; |
cfee10a7 | 91 | |
83558686 JK |
92 | static enum { |
93 | KEEPALIVE_NEVER = 0, | |
94 | KEEPALIVE_AFTER_NUL, | |
95 | KEEPALIVE_ALWAYS | |
96 | } use_keepalive; | |
97 | static int keepalive_in_sec = 5; | |
98 | ||
722ff7f8 JK |
99 | static struct tmp_objdir *tmp_objdir; |
100 | ||
31e8595a JX |
101 | static struct proc_receive_ref { |
102 | unsigned int want_add:1, | |
103 | want_delete:1, | |
104 | want_modify:1, | |
105 | negative_ref:1; | |
106 | char *ref_prefix; | |
107 | struct proc_receive_ref *next; | |
108 | } *proc_receive_ref; | |
109 | ||
110 | static void proc_receive_ref_append(const char *prefix); | |
111 | ||
986e8239 JK |
112 | static enum deny_action parse_deny_action(const char *var, const char *value) |
113 | { | |
114 | if (value) { | |
115 | if (!strcasecmp(value, "ignore")) | |
116 | return DENY_IGNORE; | |
117 | if (!strcasecmp(value, "warn")) | |
118 | return DENY_WARN; | |
119 | if (!strcasecmp(value, "refuse")) | |
120 | return DENY_REFUSE; | |
1404bcbb JS |
121 | if (!strcasecmp(value, "updateinstead")) |
122 | return DENY_UPDATE_INSTEAD; | |
986e8239 JK |
123 | } |
124 | if (git_config_bool(var, value)) | |
125 | return DENY_REFUSE; | |
126 | return DENY_IGNORE; | |
127 | } | |
128 | ||
ef90d6d4 | 129 | static int receive_pack_config(const char *var, const char *value, void *cb) |
6fb75bed | 130 | { |
daebaa78 JH |
131 | int status = parse_hide_refs_config(var, value, "receive"); |
132 | ||
133 | if (status) | |
134 | return status; | |
135 | ||
a240de11 JK |
136 | if (strcmp(var, "receive.denydeletes") == 0) { |
137 | deny_deletes = git_config_bool(var, value); | |
138 | return 0; | |
139 | } | |
140 | ||
e28714c5 | 141 | if (strcmp(var, "receive.denynonfastforwards") == 0) { |
6fb75bed SP |
142 | deny_non_fast_forwards = git_config_bool(var, value); |
143 | return 0; | |
144 | } | |
145 | ||
e28714c5 JH |
146 | if (strcmp(var, "receive.unpacklimit") == 0) { |
147 | receive_unpack_limit = git_config_int(var, value); | |
fc04c412 SP |
148 | return 0; |
149 | } | |
150 | ||
e28714c5 JH |
151 | if (strcmp(var, "transfer.unpacklimit") == 0) { |
152 | transfer_unpack_limit = git_config_int(var, value); | |
153 | return 0; | |
154 | } | |
155 | ||
cd94c6f9 JS |
156 | if (strcmp(var, "receive.fsck.skiplist") == 0) { |
157 | const char *path; | |
158 | ||
159 | if (git_config_pathname(&path, var, value)) | |
160 | return 1; | |
161 | strbuf_addf(&fsck_msg_types, "%cskiplist=%s", | |
162 | fsck_msg_types.len ? ',' : '=', path); | |
163 | free((char *)path); | |
164 | return 0; | |
165 | } | |
166 | ||
5d477a33 JS |
167 | if (skip_prefix(var, "receive.fsck.", &var)) { |
168 | if (is_valid_msg_type(var, value)) | |
169 | strbuf_addf(&fsck_msg_types, "%c%s=%s", | |
170 | fsck_msg_types.len ? ',' : '=', var, value); | |
171 | else | |
172 | warning("Skipping unknown msg id '%s'", var); | |
173 | return 0; | |
174 | } | |
175 | ||
20dc0016 MK |
176 | if (strcmp(var, "receive.fsckobjects") == 0) { |
177 | receive_fsck_objects = git_config_bool(var, value); | |
178 | return 0; | |
179 | } | |
180 | ||
dab76d3a JH |
181 | if (strcmp(var, "transfer.fsckobjects") == 0) { |
182 | transfer_fsck_objects = git_config_bool(var, value); | |
183 | return 0; | |
184 | } | |
185 | ||
986e8239 JK |
186 | if (!strcmp(var, "receive.denycurrentbranch")) { |
187 | deny_current_branch = parse_deny_action(var, value); | |
188 | return 0; | |
189 | } | |
190 | ||
747ca245 JH |
191 | if (strcmp(var, "receive.denydeletecurrent") == 0) { |
192 | deny_delete_current = parse_deny_action(var, value); | |
193 | return 0; | |
194 | } | |
195 | ||
b74fce16 NP |
196 | if (strcmp(var, "repack.usedeltabaseoffset") == 0) { |
197 | prefer_ofs_delta = git_config_bool(var, value); | |
198 | return 0; | |
199 | } | |
200 | ||
77e3efbf JH |
201 | if (strcmp(var, "receive.updateserverinfo") == 0) { |
202 | auto_update_server_info = git_config_bool(var, value); | |
203 | return 0; | |
204 | } | |
205 | ||
206 | if (strcmp(var, "receive.autogc") == 0) { | |
207 | auto_gc = git_config_bool(var, value); | |
208 | return 0; | |
209 | } | |
210 | ||
0a1bc12b NTND |
211 | if (strcmp(var, "receive.shallowupdate") == 0) { |
212 | shallow_update = git_config_bool(var, value); | |
213 | return 0; | |
214 | } | |
215 | ||
b89363e4 JH |
216 | if (strcmp(var, "receive.certnonceseed") == 0) |
217 | return git_config_string(&cert_nonce_seed, var, value); | |
a85b377d | 218 | |
5732373d JH |
219 | if (strcmp(var, "receive.certnonceslop") == 0) { |
220 | nonce_stamp_slop_limit = git_config_ulong(var, value); | |
221 | return 0; | |
222 | } | |
223 | ||
1b70fe5d RS |
224 | if (strcmp(var, "receive.advertiseatomic") == 0) { |
225 | advertise_atomic_push = git_config_bool(var, value); | |
226 | return 0; | |
227 | } | |
228 | ||
c714e45f SB |
229 | if (strcmp(var, "receive.advertisepushoptions") == 0) { |
230 | advertise_push_options = git_config_bool(var, value); | |
231 | return 0; | |
232 | } | |
233 | ||
83558686 JK |
234 | if (strcmp(var, "receive.keepalive") == 0) { |
235 | keepalive_in_sec = git_config_int(var, value); | |
236 | return 0; | |
237 | } | |
238 | ||
c08db5a2 JK |
239 | if (strcmp(var, "receive.maxinputsize") == 0) { |
240 | max_input_size = git_config_int64(var, value); | |
241 | return 0; | |
242 | } | |
243 | ||
31e8595a JX |
244 | if (strcmp(var, "receive.procreceiverefs") == 0) { |
245 | if (!value) | |
246 | return config_error_nonbool(var); | |
247 | proc_receive_ref_append(value); | |
248 | return 0; | |
249 | } | |
250 | ||
ef90d6d4 | 251 | return git_default_config(var, value, cb); |
6fb75bed SP |
252 | } |
253 | ||
1b7ba794 | 254 | static void show_ref(const char *path, const struct object_id *oid) |
575f4974 | 255 | { |
52d2ae58 | 256 | if (sent_capabilities) { |
1b7ba794 | 257 | packet_write_fmt(1, "%s %s\n", oid_to_hex(oid), path); |
52d2ae58 JH |
258 | } else { |
259 | struct strbuf cap = STRBUF_INIT; | |
260 | ||
261 | strbuf_addstr(&cap, | |
63518a57 | 262 | "report-status report-status-v2 delete-refs side-band-64k quiet"); |
1b70fe5d RS |
263 | if (advertise_atomic_push) |
264 | strbuf_addstr(&cap, " atomic"); | |
52d2ae58 JH |
265 | if (prefer_ofs_delta) |
266 | strbuf_addstr(&cap, " ofs-delta"); | |
b89363e4 JH |
267 | if (push_cert_nonce) |
268 | strbuf_addf(&cap, " push-cert=%s", push_cert_nonce); | |
c714e45f SB |
269 | if (advertise_push_options) |
270 | strbuf_addstr(&cap, " push-options"); | |
bf30dbf8 | 271 | strbuf_addf(&cap, " object-format=%s", the_hash_algo->name); |
52d2ae58 | 272 | strbuf_addf(&cap, " agent=%s", git_user_agent_sanitized()); |
81c634e9 | 273 | packet_write_fmt(1, "%s %s%c%s\n", |
1b7ba794 | 274 | oid_to_hex(oid), path, 0, cap.buf); |
52d2ae58 JH |
275 | strbuf_release(&cap); |
276 | sent_capabilities = 1; | |
277 | } | |
575f4974 LT |
278 | } |
279 | ||
78a766ab | 280 | static int show_ref_cb(const char *path_full, const struct object_id *oid, |
8b24b9e7 | 281 | int flag, void *data) |
6b01ecfe | 282 | { |
8b24b9e7 | 283 | struct oidset *seen = data; |
78a766ab LF |
284 | const char *path = strip_namespace(path_full); |
285 | ||
286 | if (ref_is_hidden(path, path_full)) | |
287 | return 0; | |
288 | ||
6b01ecfe JT |
289 | /* |
290 | * Advertise refs outside our current namespace as ".have" | |
291 | * refs, so that the client can use them to minimize data | |
fea6c47f | 292 | * transfer but will otherwise ignore them. |
6b01ecfe | 293 | */ |
8b24b9e7 JK |
294 | if (!path) { |
295 | if (oidset_insert(seen, oid)) | |
296 | return 0; | |
6b01ecfe | 297 | path = ".have"; |
63d428e6 JK |
298 | } else { |
299 | oidset_insert(seen, oid); | |
8b24b9e7 | 300 | } |
1b7ba794 | 301 | show_ref(path, oid); |
bc98201d | 302 | return 0; |
6b01ecfe JT |
303 | } |
304 | ||
bdf4276c | 305 | static void show_one_alternate_ref(const struct object_id *oid, |
ab6eea6f | 306 | void *data) |
b7a025d9 | 307 | { |
ab6eea6f | 308 | struct oidset *seen = data; |
b7a025d9 | 309 | |
ab6eea6f JK |
310 | if (oidset_insert(seen, oid)) |
311 | return; | |
312 | ||
1b7ba794 | 313 | show_ref(".have", oid); |
6b01ecfe JT |
314 | } |
315 | ||
8a65ff76 | 316 | static void write_head_info(void) |
575f4974 | 317 | { |
ab6eea6f | 318 | static struct oidset seen = OIDSET_INIT; |
2b2a5be3 | 319 | |
63d428e6 | 320 | for_each_ref(show_ref_cb, &seen); |
ab6eea6f JK |
321 | for_each_alternate_ref(show_one_alternate_ref, &seen); |
322 | oidset_clear(&seen); | |
185c04e0 | 323 | if (!sent_capabilities) |
1b7ba794 | 324 | show_ref("capabilities^{}", &null_oid); |
cfee10a7 | 325 | |
ad491366 NTND |
326 | advertise_shallow_grafts(1); |
327 | ||
b7a025d9 MH |
328 | /* EOF */ |
329 | packet_flush(1); | |
575f4974 LT |
330 | } |
331 | ||
15d3af5e JX |
332 | #define RUN_PROC_RECEIVE_SCHEDULED 1 |
333 | #define RUN_PROC_RECEIVE_RETURNED 2 | |
eb1af2df LT |
334 | struct command { |
335 | struct command *next; | |
cfee10a7 | 336 | const char *error_string; |
15d3af5e | 337 | struct ref_push_report *report; |
160b81ed | 338 | unsigned int skip_update:1, |
15d3af5e JX |
339 | did_not_exist:1, |
340 | run_proc_receive:2; | |
5dbd7676 | 341 | int index; |
9c44ea44 | 342 | struct object_id old_oid; |
343 | struct object_id new_oid; | |
8f1d2e6f | 344 | char ref_name[FLEX_ARRAY]; /* more */ |
575f4974 LT |
345 | }; |
346 | ||
31e8595a JX |
347 | static void proc_receive_ref_append(const char *prefix) |
348 | { | |
349 | struct proc_receive_ref *ref_pattern; | |
350 | char *p; | |
351 | int len; | |
352 | ||
353 | ref_pattern = xcalloc(1, sizeof(struct proc_receive_ref)); | |
354 | p = strchr(prefix, ':'); | |
355 | if (p) { | |
356 | while (prefix < p) { | |
357 | if (*prefix == 'a') | |
358 | ref_pattern->want_add = 1; | |
359 | else if (*prefix == 'd') | |
360 | ref_pattern->want_delete = 1; | |
361 | else if (*prefix == 'm') | |
362 | ref_pattern->want_modify = 1; | |
363 | else if (*prefix == '!') | |
364 | ref_pattern->negative_ref = 1; | |
365 | prefix++; | |
366 | } | |
367 | prefix++; | |
368 | } else { | |
369 | ref_pattern->want_add = 1; | |
370 | ref_pattern->want_delete = 1; | |
371 | ref_pattern->want_modify = 1; | |
372 | } | |
373 | len = strlen(prefix); | |
374 | while (len && prefix[len - 1] == '/') | |
375 | len--; | |
376 | ref_pattern->ref_prefix = xmemdupz(prefix, len); | |
377 | if (!proc_receive_ref) { | |
378 | proc_receive_ref = ref_pattern; | |
379 | } else { | |
380 | struct proc_receive_ref *end; | |
381 | ||
382 | end = proc_receive_ref; | |
383 | while (end->next) | |
384 | end = end->next; | |
385 | end->next = ref_pattern; | |
386 | } | |
387 | } | |
388 | ||
389 | static int proc_receive_ref_matches(struct command *cmd) | |
390 | { | |
391 | struct proc_receive_ref *p; | |
392 | ||
393 | if (!proc_receive_ref) | |
394 | return 0; | |
395 | ||
396 | for (p = proc_receive_ref; p; p = p->next) { | |
397 | const char *match = p->ref_prefix; | |
398 | const char *remains; | |
399 | ||
400 | if (!p->want_add && is_null_oid(&cmd->old_oid)) | |
401 | continue; | |
402 | else if (!p->want_delete && is_null_oid(&cmd->new_oid)) | |
403 | continue; | |
404 | else if (!p->want_modify && | |
405 | !is_null_oid(&cmd->old_oid) && | |
406 | !is_null_oid(&cmd->new_oid)) | |
407 | continue; | |
408 | ||
409 | if (skip_prefix(cmd->ref_name, match, &remains) && | |
410 | (!*remains || *remains == '/')) { | |
411 | if (!p->negative_ref) | |
412 | return 1; | |
413 | } else if (p->negative_ref) { | |
414 | return 1; | |
415 | } | |
416 | } | |
417 | return 0; | |
418 | } | |
419 | ||
466dbc42 SP |
420 | static void rp_error(const char *err, ...) __attribute__((format (printf, 1, 2))); |
421 | static void rp_warning(const char *err, ...) __attribute__((format (printf, 1, 2))); | |
422 | ||
423 | static void report_message(const char *prefix, const char *err, va_list params) | |
424 | { | |
b7115a35 | 425 | int sz; |
466dbc42 SP |
426 | char msg[4096]; |
427 | ||
b7115a35 | 428 | sz = xsnprintf(msg, sizeof(msg), "%s", prefix); |
466dbc42 SP |
429 | sz += vsnprintf(msg + sz, sizeof(msg) - sz, err, params); |
430 | if (sz > (sizeof(msg) - 1)) | |
431 | sz = sizeof(msg) - 1; | |
432 | msg[sz++] = '\n'; | |
433 | ||
434 | if (use_sideband) | |
435 | send_sideband(1, 2, msg, sz, use_sideband); | |
436 | else | |
437 | xwrite(2, msg, sz); | |
438 | } | |
439 | ||
440 | static void rp_warning(const char *err, ...) | |
441 | { | |
442 | va_list params; | |
443 | va_start(params, err); | |
444 | report_message("warning: ", err, params); | |
445 | va_end(params); | |
446 | } | |
447 | ||
448 | static void rp_error(const char *err, ...) | |
449 | { | |
450 | va_list params; | |
451 | va_start(params, err); | |
452 | report_message("error: ", err, params); | |
453 | va_end(params); | |
454 | } | |
455 | ||
6d525d38 SP |
456 | static int copy_to_sideband(int in, int out, void *arg) |
457 | { | |
458 | char data[128]; | |
83558686 JK |
459 | int keepalive_active = 0; |
460 | ||
461 | if (keepalive_in_sec <= 0) | |
462 | use_keepalive = KEEPALIVE_NEVER; | |
463 | if (use_keepalive == KEEPALIVE_ALWAYS) | |
464 | keepalive_active = 1; | |
465 | ||
6d525d38 | 466 | while (1) { |
83558686 JK |
467 | ssize_t sz; |
468 | ||
469 | if (keepalive_active) { | |
470 | struct pollfd pfd; | |
471 | int ret; | |
472 | ||
473 | pfd.fd = in; | |
474 | pfd.events = POLLIN; | |
475 | ret = poll(&pfd, 1, 1000 * keepalive_in_sec); | |
476 | ||
477 | if (ret < 0) { | |
478 | if (errno == EINTR) | |
479 | continue; | |
480 | else | |
481 | break; | |
482 | } else if (ret == 0) { | |
483 | /* no data; send a keepalive packet */ | |
484 | static const char buf[] = "0005\1"; | |
485 | write_or_die(1, buf, sizeof(buf) - 1); | |
486 | continue; | |
487 | } /* else there is actual data to read */ | |
488 | } | |
489 | ||
490 | sz = xread(in, data, sizeof(data)); | |
6d525d38 SP |
491 | if (sz <= 0) |
492 | break; | |
83558686 JK |
493 | |
494 | if (use_keepalive == KEEPALIVE_AFTER_NUL && !keepalive_active) { | |
495 | const char *p = memchr(data, '\0', sz); | |
496 | if (p) { | |
497 | /* | |
498 | * The NUL tells us to start sending keepalives. Make | |
499 | * sure we send any other data we read along | |
500 | * with it. | |
501 | */ | |
502 | keepalive_active = 1; | |
503 | send_sideband(1, 2, data, p - data, use_sideband); | |
504 | send_sideband(1, 2, p + 1, sz - (p - data + 1), use_sideband); | |
505 | continue; | |
506 | } | |
507 | } | |
508 | ||
509 | /* | |
510 | * Either we're not looking for a NUL signal, or we didn't see | |
511 | * it yet; just pass along the data. | |
512 | */ | |
6d525d38 SP |
513 | send_sideband(1, 2, data, sz, use_sideband); |
514 | } | |
515 | close(in); | |
516 | return 0; | |
517 | } | |
518 | ||
3013118e | 519 | static void hmac_hash(unsigned char *out, |
b89363e4 JH |
520 | const char *key_in, size_t key_len, |
521 | const char *text, size_t text_len) | |
522 | { | |
fabec2c5 | 523 | unsigned char key[GIT_MAX_BLKSZ]; |
524 | unsigned char k_ipad[GIT_MAX_BLKSZ]; | |
525 | unsigned char k_opad[GIT_MAX_BLKSZ]; | |
b89363e4 | 526 | int i; |
fabec2c5 | 527 | git_hash_ctx ctx; |
b89363e4 JH |
528 | |
529 | /* RFC 2104 2. (1) */ | |
fabec2c5 | 530 | memset(key, '\0', GIT_MAX_BLKSZ); |
531 | if (the_hash_algo->blksz < key_len) { | |
532 | the_hash_algo->init_fn(&ctx); | |
533 | the_hash_algo->update_fn(&ctx, key_in, key_len); | |
534 | the_hash_algo->final_fn(key, &ctx); | |
b89363e4 JH |
535 | } else { |
536 | memcpy(key, key_in, key_len); | |
537 | } | |
538 | ||
539 | /* RFC 2104 2. (2) & (5) */ | |
540 | for (i = 0; i < sizeof(key); i++) { | |
541 | k_ipad[i] = key[i] ^ 0x36; | |
542 | k_opad[i] = key[i] ^ 0x5c; | |
543 | } | |
544 | ||
545 | /* RFC 2104 2. (3) & (4) */ | |
fabec2c5 | 546 | the_hash_algo->init_fn(&ctx); |
547 | the_hash_algo->update_fn(&ctx, k_ipad, sizeof(k_ipad)); | |
548 | the_hash_algo->update_fn(&ctx, text, text_len); | |
549 | the_hash_algo->final_fn(out, &ctx); | |
b89363e4 JH |
550 | |
551 | /* RFC 2104 2. (6) & (7) */ | |
fabec2c5 | 552 | the_hash_algo->init_fn(&ctx); |
553 | the_hash_algo->update_fn(&ctx, k_opad, sizeof(k_opad)); | |
554 | the_hash_algo->update_fn(&ctx, out, the_hash_algo->rawsz); | |
555 | the_hash_algo->final_fn(out, &ctx); | |
b89363e4 JH |
556 | } |
557 | ||
dddbad72 | 558 | static char *prepare_push_cert_nonce(const char *path, timestamp_t stamp) |
b89363e4 JH |
559 | { |
560 | struct strbuf buf = STRBUF_INIT; | |
fabec2c5 | 561 | unsigned char hash[GIT_MAX_RAWSZ]; |
b89363e4 | 562 | |
cb71f8bd | 563 | strbuf_addf(&buf, "%s:%"PRItime, path, stamp); |
3013118e | 564 | hmac_hash(hash, buf.buf, buf.len, cert_nonce_seed, strlen(cert_nonce_seed)); |
b89363e4 JH |
565 | strbuf_release(&buf); |
566 | ||
3013118e | 567 | /* RFC 2104 5. HMAC-SHA1 or HMAC-SHA256 */ |
fc06be3b | 568 | strbuf_addf(&buf, "%"PRItime"-%.*s", stamp, (int)the_hash_algo->hexsz, hash_to_hex(hash)); |
b89363e4 JH |
569 | return strbuf_detach(&buf, NULL); |
570 | } | |
571 | ||
572 | /* | |
573 | * NEEDSWORK: reuse find_commit_header() from jk/commit-author-parsing | |
574 | * after dropping "_commit" from its name and possibly moving it out | |
575 | * of commit.c | |
576 | */ | |
cbaf82cc JT |
577 | static char *find_header(const char *msg, size_t len, const char *key, |
578 | const char **next_line) | |
b89363e4 JH |
579 | { |
580 | int key_len = strlen(key); | |
581 | const char *line = msg; | |
582 | ||
583 | while (line && line < msg + len) { | |
584 | const char *eol = strchrnul(line, '\n'); | |
585 | ||
586 | if ((msg + len <= eol) || line == eol) | |
587 | return NULL; | |
588 | if (line + key_len < eol && | |
589 | !memcmp(line, key, key_len) && line[key_len] == ' ') { | |
590 | int offset = key_len + 1; | |
cbaf82cc JT |
591 | if (next_line) |
592 | *next_line = *eol ? eol + 1 : eol; | |
b89363e4 JH |
593 | return xmemdupz(line + offset, (eol - line) - offset); |
594 | } | |
595 | line = *eol ? eol + 1 : NULL; | |
596 | } | |
597 | return NULL; | |
598 | } | |
599 | ||
edc6dccf | 600 | /* |
601 | * Return zero if a and b are equal up to n bytes and nonzero if they are not. | |
602 | * This operation is guaranteed to run in constant time to avoid leaking data. | |
603 | */ | |
604 | static int constant_memequal(const char *a, const char *b, size_t n) | |
605 | { | |
606 | int res = 0; | |
719483e5 JH |
607 | size_t i; |
608 | ||
609 | for (i = 0; i < n; i++) | |
edc6dccf | 610 | res |= a[i] ^ b[i]; |
611 | return res; | |
612 | } | |
613 | ||
b89363e4 JH |
614 | static const char *check_nonce(const char *buf, size_t len) |
615 | { | |
cbaf82cc | 616 | char *nonce = find_header(buf, len, "nonce", NULL); |
dddbad72 | 617 | timestamp_t stamp, ostamp; |
5732373d | 618 | char *bohmac, *expect = NULL; |
b89363e4 | 619 | const char *retval = NONCE_BAD; |
edc6dccf | 620 | size_t noncelen; |
b89363e4 JH |
621 | |
622 | if (!nonce) { | |
623 | retval = NONCE_MISSING; | |
624 | goto leave; | |
625 | } else if (!push_cert_nonce) { | |
626 | retval = NONCE_UNSOLICITED; | |
627 | goto leave; | |
628 | } else if (!strcmp(push_cert_nonce, nonce)) { | |
629 | retval = NONCE_OK; | |
630 | goto leave; | |
631 | } | |
632 | ||
5732373d JH |
633 | if (!stateless_rpc) { |
634 | /* returned nonce MUST match what we gave out earlier */ | |
635 | retval = NONCE_BAD; | |
636 | goto leave; | |
637 | } | |
638 | ||
639 | /* | |
640 | * In stateless mode, we may be receiving a nonce issued by | |
641 | * another instance of the server that serving the same | |
642 | * repository, and the timestamps may not match, but the | |
643 | * nonce-seed and dir should match, so we can recompute and | |
644 | * report the time slop. | |
645 | * | |
646 | * In addition, when a nonce issued by another instance has | |
647 | * timestamp within receive.certnonceslop seconds, we pretend | |
648 | * as if we issued that nonce when reporting to the hook. | |
649 | */ | |
650 | ||
651 | /* nonce is concat(<seconds-since-epoch>, "-", <hmac>) */ | |
652 | if (*nonce <= '0' || '9' < *nonce) { | |
653 | retval = NONCE_BAD; | |
654 | goto leave; | |
655 | } | |
1aeb7e75 | 656 | stamp = parse_timestamp(nonce, &bohmac, 10); |
5732373d JH |
657 | if (bohmac == nonce || bohmac[0] != '-') { |
658 | retval = NONCE_BAD; | |
659 | goto leave; | |
660 | } | |
661 | ||
edc6dccf | 662 | noncelen = strlen(nonce); |
5732373d | 663 | expect = prepare_push_cert_nonce(service_dir, stamp); |
edc6dccf | 664 | if (noncelen != strlen(expect)) { |
665 | /* This is not even the right size. */ | |
666 | retval = NONCE_BAD; | |
667 | goto leave; | |
668 | } | |
669 | if (constant_memequal(expect, nonce, noncelen)) { | |
5732373d JH |
670 | /* Not what we would have signed earlier */ |
671 | retval = NONCE_BAD; | |
672 | goto leave; | |
673 | } | |
674 | ||
675 | /* | |
676 | * By how many seconds is this nonce stale? Negative value | |
677 | * would mean it was issued by another server with its clock | |
678 | * skewed in the future. | |
679 | */ | |
1aeb7e75 | 680 | ostamp = parse_timestamp(push_cert_nonce, NULL, 10); |
5732373d JH |
681 | nonce_stamp_slop = (long)ostamp - (long)stamp; |
682 | ||
683 | if (nonce_stamp_slop_limit && | |
31a8aa1e | 684 | labs(nonce_stamp_slop) <= nonce_stamp_slop_limit) { |
5732373d JH |
685 | /* |
686 | * Pretend as if the received nonce (which passes the | |
687 | * HMAC check, so it is not a forged by third-party) | |
688 | * is what we issued. | |
689 | */ | |
690 | free((void *)push_cert_nonce); | |
691 | push_cert_nonce = xstrdup(nonce); | |
692 | retval = NONCE_OK; | |
693 | } else { | |
694 | retval = NONCE_SLOP; | |
695 | } | |
b89363e4 JH |
696 | |
697 | leave: | |
698 | free(nonce); | |
5732373d | 699 | free(expect); |
b89363e4 JH |
700 | return retval; |
701 | } | |
702 | ||
cbaf82cc JT |
703 | /* |
704 | * Return 1 if there is no push_cert or if the push options in push_cert are | |
705 | * the same as those in the argument; 0 otherwise. | |
706 | */ | |
707 | static int check_cert_push_options(const struct string_list *push_options) | |
708 | { | |
709 | const char *buf = push_cert.buf; | |
710 | int len = push_cert.len; | |
711 | ||
712 | char *option; | |
713 | const char *next_line; | |
714 | int options_seen = 0; | |
715 | ||
716 | int retval = 1; | |
717 | ||
718 | if (!len) | |
719 | return 1; | |
720 | ||
721 | while ((option = find_header(buf, len, "push-option", &next_line))) { | |
722 | len -= (next_line - buf); | |
723 | buf = next_line; | |
724 | options_seen++; | |
725 | if (options_seen > push_options->nr | |
726 | || strcmp(option, | |
727 | push_options->items[options_seen - 1].string)) { | |
728 | retval = 0; | |
729 | goto leave; | |
730 | } | |
731 | free(option); | |
732 | } | |
733 | ||
734 | if (options_seen != push_options->nr) | |
735 | retval = 0; | |
736 | ||
737 | leave: | |
738 | free(option); | |
739 | return retval; | |
740 | } | |
741 | ||
a85b377d JH |
742 | static void prepare_push_cert_sha1(struct child_process *proc) |
743 | { | |
744 | static int already_done; | |
a85b377d JH |
745 | |
746 | if (!push_cert.len) | |
747 | return; | |
748 | ||
749 | if (!already_done) { | |
d05b9618 JH |
750 | int bogs /* beginning_of_gpg_sig */; |
751 | ||
a85b377d | 752 | already_done = 1; |
a09c985e PO |
753 | if (write_object_file(push_cert.buf, push_cert.len, "blob", |
754 | &push_cert_oid)) | |
755 | oidclr(&push_cert_oid); | |
d05b9618 JH |
756 | |
757 | memset(&sigcheck, '\0', sizeof(sigcheck)); | |
d05b9618 JH |
758 | |
759 | bogs = parse_signature(push_cert.buf, push_cert.len); | |
3b9291e1 HS |
760 | check_signature(push_cert.buf, bogs, push_cert.buf + bogs, |
761 | push_cert.len - bogs, &sigcheck); | |
d05b9618 | 762 | |
b89363e4 | 763 | nonce_status = check_nonce(push_cert.buf, bogs); |
a85b377d | 764 | } |
a09c985e | 765 | if (!is_null_oid(&push_cert_oid)) { |
22f9b7f3 | 766 | strvec_pushf(&proc->env_array, "GIT_PUSH_CERT=%s", |
f6d8942b | 767 | oid_to_hex(&push_cert_oid)); |
22f9b7f3 | 768 | strvec_pushf(&proc->env_array, "GIT_PUSH_CERT_SIGNER=%s", |
f6d8942b | 769 | sigcheck.signer ? sigcheck.signer : ""); |
22f9b7f3 | 770 | strvec_pushf(&proc->env_array, "GIT_PUSH_CERT_KEY=%s", |
f6d8942b | 771 | sigcheck.key ? sigcheck.key : ""); |
22f9b7f3 | 772 | strvec_pushf(&proc->env_array, "GIT_PUSH_CERT_STATUS=%c", |
f6d8942b | 773 | sigcheck.result); |
b89363e4 | 774 | if (push_cert_nonce) { |
22f9b7f3 | 775 | strvec_pushf(&proc->env_array, |
f6d8942b JK |
776 | "GIT_PUSH_CERT_NONCE=%s", |
777 | push_cert_nonce); | |
22f9b7f3 | 778 | strvec_pushf(&proc->env_array, |
f6d8942b JK |
779 | "GIT_PUSH_CERT_NONCE_STATUS=%s", |
780 | nonce_status); | |
5732373d | 781 | if (nonce_status == NONCE_SLOP) |
22f9b7f3 | 782 | strvec_pushf(&proc->env_array, |
f6d8942b JK |
783 | "GIT_PUSH_CERT_NONCE_SLOP=%ld", |
784 | nonce_stamp_slop); | |
b89363e4 | 785 | } |
a85b377d JH |
786 | } |
787 | } | |
788 | ||
77a9745d SB |
789 | struct receive_hook_feed_state { |
790 | struct command *cmd; | |
195d6eae | 791 | struct ref_push_report *report; |
77a9745d SB |
792 | int skip_broken; |
793 | struct strbuf buf; | |
794 | const struct string_list *push_options; | |
795 | }; | |
796 | ||
9684e44a | 797 | typedef int (*feed_fn)(void *, const char **, size_t *); |
77a9745d SB |
798 | static int run_and_feed_hook(const char *hook_name, feed_fn feed, |
799 | struct receive_hook_feed_state *feed_state) | |
b1bf95bb | 800 | { |
d3180279 | 801 | struct child_process proc = CHILD_PROCESS_INIT; |
6d525d38 | 802 | struct async muxer; |
f43cd49f | 803 | const char *argv[2]; |
9684e44a | 804 | int code; |
b1bf95bb | 805 | |
5a7da2dc AS |
806 | argv[0] = find_hook(hook_name); |
807 | if (!argv[0]) | |
b1bf95bb | 808 | return 0; |
c8dd2771 | 809 | |
f43cd49f SP |
810 | argv[1] = NULL; |
811 | ||
f43cd49f SP |
812 | proc.argv = argv; |
813 | proc.in = -1; | |
814 | proc.stdout_to_stderr = 1; | |
6206286e JH |
815 | proc.trace2_hook_name = hook_name; |
816 | ||
77a9745d SB |
817 | if (feed_state->push_options) { |
818 | int i; | |
819 | for (i = 0; i < feed_state->push_options->nr; i++) | |
22f9b7f3 | 820 | strvec_pushf(&proc.env_array, |
f6d8942b JK |
821 | "GIT_PUSH_OPTION_%d=%s", i, |
822 | feed_state->push_options->items[i].string); | |
22f9b7f3 | 823 | strvec_pushf(&proc.env_array, "GIT_PUSH_OPTION_COUNT=%d", |
f6d8942b | 824 | feed_state->push_options->nr); |
77a9745d | 825 | } else |
22f9b7f3 | 826 | strvec_pushf(&proc.env_array, "GIT_PUSH_OPTION_COUNT"); |
f43cd49f | 827 | |
722ff7f8 | 828 | if (tmp_objdir) |
22f9b7f3 | 829 | strvec_pushv(&proc.env_array, tmp_objdir_env(tmp_objdir)); |
722ff7f8 | 830 | |
6d525d38 SP |
831 | if (use_sideband) { |
832 | memset(&muxer, 0, sizeof(muxer)); | |
833 | muxer.proc = copy_to_sideband; | |
834 | muxer.in = -1; | |
835 | code = start_async(&muxer); | |
836 | if (code) | |
837 | return code; | |
838 | proc.err = muxer.in; | |
839 | } | |
840 | ||
5d222c09 RS |
841 | prepare_push_cert_sha1(&proc); |
842 | ||
f43cd49f | 843 | code = start_command(&proc); |
6d525d38 SP |
844 | if (code) { |
845 | if (use_sideband) | |
846 | finish_async(&muxer); | |
90e41a89 | 847 | return code; |
6d525d38 SP |
848 | } |
849 | ||
ec7dbd14 JH |
850 | sigchain_push(SIGPIPE, SIG_IGN); |
851 | ||
9684e44a JH |
852 | while (1) { |
853 | const char *buf; | |
854 | size_t n; | |
855 | if (feed(feed_state, &buf, &n)) | |
856 | break; | |
06f46f23 | 857 | if (write_in_full(proc.in, buf, n) < 0) |
9684e44a | 858 | break; |
c8dd2771 | 859 | } |
e72ae288 | 860 | close(proc.in); |
6d525d38 SP |
861 | if (use_sideband) |
862 | finish_async(&muxer); | |
ec7dbd14 JH |
863 | |
864 | sigchain_pop(SIGPIPE); | |
865 | ||
90e41a89 | 866 | return finish_command(&proc); |
b1bf95bb JW |
867 | } |
868 | ||
9684e44a JH |
869 | static int feed_receive_hook(void *state_, const char **bufp, size_t *sizep) |
870 | { | |
871 | struct receive_hook_feed_state *state = state_; | |
872 | struct command *cmd = state->cmd; | |
873 | ||
cdc2b2f3 JH |
874 | while (cmd && |
875 | state->skip_broken && (cmd->error_string || cmd->did_not_exist)) | |
9684e44a JH |
876 | cmd = cmd->next; |
877 | if (!cmd) | |
878 | return -1; /* EOF */ | |
195d6eae JX |
879 | if (!bufp) |
880 | return 0; /* OK, can feed something. */ | |
9684e44a | 881 | strbuf_reset(&state->buf); |
195d6eae JX |
882 | if (!state->report) |
883 | state->report = cmd->report; | |
884 | if (state->report) { | |
885 | struct object_id *old_oid; | |
886 | struct object_id *new_oid; | |
887 | const char *ref_name; | |
888 | ||
889 | old_oid = state->report->old_oid ? state->report->old_oid : &cmd->old_oid; | |
890 | new_oid = state->report->new_oid ? state->report->new_oid : &cmd->new_oid; | |
891 | ref_name = state->report->ref_name ? state->report->ref_name : cmd->ref_name; | |
892 | strbuf_addf(&state->buf, "%s %s %s\n", | |
893 | oid_to_hex(old_oid), oid_to_hex(new_oid), | |
894 | ref_name); | |
895 | state->report = state->report->next; | |
896 | if (!state->report) | |
897 | state->cmd = cmd->next; | |
898 | } else { | |
899 | strbuf_addf(&state->buf, "%s %s %s\n", | |
900 | oid_to_hex(&cmd->old_oid), oid_to_hex(&cmd->new_oid), | |
901 | cmd->ref_name); | |
902 | state->cmd = cmd->next; | |
903 | } | |
9684e44a JH |
904 | if (bufp) { |
905 | *bufp = state->buf.buf; | |
906 | *sizep = state->buf.len; | |
907 | } | |
908 | return 0; | |
909 | } | |
910 | ||
77a9745d SB |
911 | static int run_receive_hook(struct command *commands, |
912 | const char *hook_name, | |
913 | int skip_broken, | |
914 | const struct string_list *push_options) | |
9684e44a JH |
915 | { |
916 | struct receive_hook_feed_state state; | |
917 | int status; | |
918 | ||
919 | strbuf_init(&state.buf, 0); | |
920 | state.cmd = commands; | |
cdc2b2f3 | 921 | state.skip_broken = skip_broken; |
195d6eae | 922 | state.report = NULL; |
9684e44a JH |
923 | if (feed_receive_hook(&state, NULL, NULL)) |
924 | return 0; | |
925 | state.cmd = commands; | |
77a9745d | 926 | state.push_options = push_options; |
9684e44a JH |
927 | status = run_and_feed_hook(hook_name, feed_receive_hook, &state); |
928 | strbuf_release(&state.buf); | |
929 | return status; | |
930 | } | |
931 | ||
1d9e8b56 SP |
932 | static int run_update_hook(struct command *cmd) |
933 | { | |
1d9e8b56 | 934 | const char *argv[5]; |
d3180279 | 935 | struct child_process proc = CHILD_PROCESS_INIT; |
6d525d38 | 936 | int code; |
1d9e8b56 | 937 | |
5a7da2dc AS |
938 | argv[0] = find_hook("update"); |
939 | if (!argv[0]) | |
1d9e8b56 SP |
940 | return 0; |
941 | ||
1d9e8b56 | 942 | argv[1] = cmd->ref_name; |
9c44ea44 | 943 | argv[2] = oid_to_hex(&cmd->old_oid); |
944 | argv[3] = oid_to_hex(&cmd->new_oid); | |
1d9e8b56 SP |
945 | argv[4] = NULL; |
946 | ||
6d525d38 SP |
947 | proc.no_stdin = 1; |
948 | proc.stdout_to_stderr = 1; | |
949 | proc.err = use_sideband ? -1 : 0; | |
950 | proc.argv = argv; | |
6206286e | 951 | proc.trace2_hook_name = "update"; |
6d525d38 SP |
952 | |
953 | code = start_command(&proc); | |
954 | if (code) | |
955 | return code; | |
956 | if (use_sideband) | |
957 | copy_to_sideband(proc.err, -1, NULL); | |
958 | return finish_command(&proc); | |
1d9e8b56 SP |
959 | } |
960 | ||
15d3af5e JX |
961 | static struct command *find_command_by_refname(struct command *list, |
962 | const char *refname) | |
963 | { | |
964 | for (; list; list = list->next) | |
965 | if (!strcmp(list->ref_name, refname)) | |
966 | return list; | |
967 | return NULL; | |
968 | } | |
969 | ||
970 | static int read_proc_receive_report(struct packet_reader *reader, | |
971 | struct command *commands, | |
972 | struct strbuf *errmsg) | |
973 | { | |
974 | struct command *cmd; | |
975 | struct command *hint = NULL; | |
976 | struct ref_push_report *report = NULL; | |
977 | int new_report = 0; | |
978 | int code = 0; | |
979 | int once = 0; | |
980 | ||
981 | for (;;) { | |
982 | struct object_id old_oid, new_oid; | |
983 | const char *head; | |
984 | const char *refname; | |
985 | char *p; | |
986 | ||
987 | if (packet_reader_read(reader) != PACKET_READ_NORMAL) | |
988 | break; | |
989 | ||
990 | head = reader->line; | |
991 | p = strchr(head, ' '); | |
992 | if (!p) { | |
993 | strbuf_addf(errmsg, "proc-receive reported incomplete status line: '%s'\n", head); | |
994 | code = -1; | |
995 | continue; | |
996 | } | |
997 | *p++ = '\0'; | |
998 | if (!strcmp(head, "option")) { | |
999 | const char *key, *val; | |
1000 | ||
1001 | if (!hint || !(report || new_report)) { | |
1002 | if (!once++) | |
1003 | strbuf_addstr(errmsg, "proc-receive reported 'option' without a matching 'ok/ng' directive\n"); | |
1004 | code = -1; | |
1005 | continue; | |
1006 | } | |
1007 | if (new_report) { | |
1008 | if (!hint->report) { | |
1009 | hint->report = xcalloc(1, sizeof(struct ref_push_report)); | |
1010 | report = hint->report; | |
1011 | } else { | |
1012 | report = hint->report; | |
1013 | while (report->next) | |
1014 | report = report->next; | |
1015 | report->next = xcalloc(1, sizeof(struct ref_push_report)); | |
1016 | report = report->next; | |
1017 | } | |
1018 | new_report = 0; | |
1019 | } | |
1020 | key = p; | |
1021 | p = strchr(key, ' '); | |
1022 | if (p) | |
1023 | *p++ = '\0'; | |
1024 | val = p; | |
1025 | if (!strcmp(key, "refname")) | |
1026 | report->ref_name = xstrdup_or_null(val); | |
1027 | else if (!strcmp(key, "old-oid") && val && | |
1028 | !parse_oid_hex(val, &old_oid, &val)) | |
1029 | report->old_oid = oiddup(&old_oid); | |
1030 | else if (!strcmp(key, "new-oid") && val && | |
1031 | !parse_oid_hex(val, &new_oid, &val)) | |
1032 | report->new_oid = oiddup(&new_oid); | |
1033 | else if (!strcmp(key, "forced-update")) | |
1034 | report->forced_update = 1; | |
1035 | else if (!strcmp(key, "fall-through")) | |
1036 | /* Fall through, let 'receive-pack' to execute it. */ | |
1037 | hint->run_proc_receive = 0; | |
1038 | continue; | |
1039 | } | |
1040 | ||
1041 | report = NULL; | |
1042 | new_report = 0; | |
1043 | refname = p; | |
1044 | p = strchr(refname, ' '); | |
1045 | if (p) | |
1046 | *p++ = '\0'; | |
1047 | if (strcmp(head, "ok") && strcmp(head, "ng")) { | |
1048 | strbuf_addf(errmsg, "proc-receive reported bad status '%s' on ref '%s'\n", | |
1049 | head, refname); | |
1050 | code = -1; | |
1051 | continue; | |
1052 | } | |
1053 | ||
1054 | /* first try searching at our hint, falling back to all refs */ | |
1055 | if (hint) | |
1056 | hint = find_command_by_refname(hint, refname); | |
1057 | if (!hint) | |
1058 | hint = find_command_by_refname(commands, refname); | |
1059 | if (!hint) { | |
1060 | strbuf_addf(errmsg, "proc-receive reported status on unknown ref: %s\n", | |
1061 | refname); | |
1062 | code = -1; | |
1063 | continue; | |
1064 | } | |
1065 | if (!hint->run_proc_receive) { | |
1066 | strbuf_addf(errmsg, "proc-receive reported status on unexpected ref: %s\n", | |
1067 | refname); | |
1068 | code = -1; | |
1069 | continue; | |
1070 | } | |
1071 | hint->run_proc_receive |= RUN_PROC_RECEIVE_RETURNED; | |
1072 | if (!strcmp(head, "ng")) { | |
1073 | if (p) | |
1074 | hint->error_string = xstrdup(p); | |
1075 | else | |
1076 | hint->error_string = "failed"; | |
1077 | code = -1; | |
1078 | continue; | |
1079 | } | |
1080 | new_report = 1; | |
1081 | } | |
1082 | ||
1083 | for (cmd = commands; cmd; cmd = cmd->next) | |
1084 | if (cmd->run_proc_receive && !cmd->error_string && | |
1085 | !(cmd->run_proc_receive & RUN_PROC_RECEIVE_RETURNED)) { | |
1086 | cmd->error_string = "proc-receive failed to report status"; | |
1087 | code = -1; | |
1088 | } | |
1089 | return code; | |
1090 | } | |
1091 | ||
1092 | static int run_proc_receive_hook(struct command *commands, | |
1093 | const struct string_list *push_options) | |
1094 | { | |
1095 | struct child_process proc = CHILD_PROCESS_INIT; | |
1096 | struct async muxer; | |
1097 | struct command *cmd; | |
1098 | const char *argv[2]; | |
1099 | struct packet_reader reader; | |
1100 | struct strbuf cap = STRBUF_INIT; | |
1101 | struct strbuf errmsg = STRBUF_INIT; | |
1102 | int hook_use_push_options = 0; | |
1103 | int version = 0; | |
1104 | int code; | |
1105 | ||
1106 | argv[0] = find_hook("proc-receive"); | |
1107 | if (!argv[0]) { | |
1108 | rp_error("cannot find hook 'proc-receive'"); | |
1109 | return -1; | |
1110 | } | |
1111 | argv[1] = NULL; | |
1112 | ||
1113 | proc.argv = argv; | |
1114 | proc.in = -1; | |
1115 | proc.out = -1; | |
1116 | proc.trace2_hook_name = "proc-receive"; | |
1117 | ||
1118 | if (use_sideband) { | |
1119 | memset(&muxer, 0, sizeof(muxer)); | |
1120 | muxer.proc = copy_to_sideband; | |
1121 | muxer.in = -1; | |
1122 | code = start_async(&muxer); | |
1123 | if (code) | |
1124 | return code; | |
1125 | proc.err = muxer.in; | |
1126 | } else { | |
1127 | proc.err = 0; | |
1128 | } | |
1129 | ||
1130 | code = start_command(&proc); | |
1131 | if (code) { | |
1132 | if (use_sideband) | |
1133 | finish_async(&muxer); | |
1134 | return code; | |
1135 | } | |
1136 | ||
1137 | sigchain_push(SIGPIPE, SIG_IGN); | |
1138 | ||
1139 | /* Version negotiaton */ | |
1140 | packet_reader_init(&reader, proc.out, NULL, 0, | |
1141 | PACKET_READ_CHOMP_NEWLINE | | |
1142 | PACKET_READ_GENTLE_ON_EOF); | |
1143 | if (use_atomic) | |
1144 | strbuf_addstr(&cap, " atomic"); | |
1145 | if (use_push_options) | |
1146 | strbuf_addstr(&cap, " push-options"); | |
1147 | if (cap.len) { | |
1148 | packet_write_fmt(proc.in, "version=1%c%s\n", '\0', cap.buf + 1); | |
1149 | strbuf_release(&cap); | |
1150 | } else { | |
1151 | packet_write_fmt(proc.in, "version=1\n"); | |
1152 | } | |
1153 | packet_flush(proc.in); | |
1154 | ||
1155 | for (;;) { | |
1156 | int linelen; | |
1157 | ||
1158 | if (packet_reader_read(&reader) != PACKET_READ_NORMAL) | |
1159 | break; | |
1160 | ||
1161 | if (reader.pktlen > 8 && starts_with(reader.line, "version=")) { | |
1162 | version = atoi(reader.line + 8); | |
1163 | linelen = strlen(reader.line); | |
1164 | if (linelen < reader.pktlen) { | |
1165 | const char *feature_list = reader.line + linelen + 1; | |
1166 | if (parse_feature_request(feature_list, "push-options")) | |
1167 | hook_use_push_options = 1; | |
1168 | } | |
1169 | } | |
1170 | } | |
1171 | ||
1172 | if (version != 1) { | |
1173 | strbuf_addf(&errmsg, "proc-receive version '%d' is not supported", | |
1174 | version); | |
1175 | code = -1; | |
1176 | goto cleanup; | |
1177 | } | |
1178 | ||
1179 | /* Send commands */ | |
1180 | for (cmd = commands; cmd; cmd = cmd->next) { | |
1181 | if (!cmd->run_proc_receive || cmd->skip_update || cmd->error_string) | |
1182 | continue; | |
1183 | packet_write_fmt(proc.in, "%s %s %s", | |
1184 | oid_to_hex(&cmd->old_oid), | |
1185 | oid_to_hex(&cmd->new_oid), | |
1186 | cmd->ref_name); | |
1187 | } | |
1188 | packet_flush(proc.in); | |
1189 | ||
1190 | /* Send push options */ | |
1191 | if (hook_use_push_options) { | |
1192 | struct string_list_item *item; | |
1193 | ||
1194 | for_each_string_list_item(item, push_options) | |
1195 | packet_write_fmt(proc.in, "%s", item->string); | |
1196 | packet_flush(proc.in); | |
1197 | } | |
1198 | ||
1199 | /* Read result from proc-receive */ | |
1200 | code = read_proc_receive_report(&reader, commands, &errmsg); | |
1201 | ||
1202 | cleanup: | |
1203 | close(proc.in); | |
1204 | close(proc.out); | |
1205 | if (use_sideband) | |
1206 | finish_async(&muxer); | |
1207 | if (finish_command(&proc)) | |
1208 | code = -1; | |
1209 | if (errmsg.len >0) { | |
1210 | char *p = errmsg.buf; | |
1211 | ||
1212 | p += errmsg.len - 1; | |
1213 | if (*p == '\n') | |
1214 | *p = '\0'; | |
1215 | rp_error("%s", errmsg.buf); | |
1216 | strbuf_release(&errmsg); | |
1217 | } | |
1218 | sigchain_pop(SIGPIPE); | |
1219 | ||
1220 | return code; | |
1221 | } | |
1222 | ||
8ba35a2d VA |
1223 | static char *refuse_unconfigured_deny_msg = |
1224 | N_("By default, updating the current branch in a non-bare repository\n" | |
1225 | "is denied, because it will make the index and work tree inconsistent\n" | |
1226 | "with what you pushed, and will require 'git reset --hard' to match\n" | |
1227 | "the work tree to HEAD.\n" | |
1228 | "\n" | |
2ddaa427 AH |
1229 | "You can set the 'receive.denyCurrentBranch' configuration variable\n" |
1230 | "to 'ignore' or 'warn' in the remote repository to allow pushing into\n" | |
8ba35a2d VA |
1231 | "its current branch; however, this is not recommended unless you\n" |
1232 | "arranged to update its work tree to match what you pushed in some\n" | |
1233 | "other way.\n" | |
1234 | "\n" | |
1235 | "To squelch this message and still keep the default behaviour, set\n" | |
1236 | "'receive.denyCurrentBranch' configuration variable to 'refuse'."); | |
3d95d92b | 1237 | |
acd2a45b | 1238 | static void refuse_unconfigured_deny(void) |
3d95d92b | 1239 | { |
8ba35a2d | 1240 | rp_error("%s", _(refuse_unconfigured_deny_msg)); |
3d95d92b JH |
1241 | } |
1242 | ||
8ba35a2d VA |
1243 | static char *refuse_unconfigured_deny_delete_current_msg = |
1244 | N_("By default, deleting the current branch is denied, because the next\n" | |
1245 | "'git clone' won't result in any file checked out, causing confusion.\n" | |
1246 | "\n" | |
1247 | "You can set 'receive.denyDeleteCurrent' configuration variable to\n" | |
1248 | "'warn' or 'ignore' in the remote repository to allow deleting the\n" | |
1249 | "current branch, with or without a warning message.\n" | |
1250 | "\n" | |
1251 | "To squelch this message, you can set it to 'refuse'."); | |
747ca245 | 1252 | |
375881fa | 1253 | static void refuse_unconfigured_deny_delete_current(void) |
747ca245 | 1254 | { |
8ba35a2d | 1255 | rp_error("%s", _(refuse_unconfigured_deny_delete_current_msg)); |
747ca245 JH |
1256 | } |
1257 | ||
6ccac9ee | 1258 | static int command_singleton_iterator(void *cb_data, struct object_id *oid); |
0a1bc12b NTND |
1259 | static int update_shallow_ref(struct command *cmd, struct shallow_info *si) |
1260 | { | |
cac4b8e2 | 1261 | struct shallow_lock shallow_lock = SHALLOW_LOCK_INIT; |
910650d2 | 1262 | struct oid_array extra = OID_ARRAY_INIT; |
7043c707 | 1263 | struct check_connected_options opt = CHECK_CONNECTED_INIT; |
0a1bc12b NTND |
1264 | uint32_t mask = 1 << (cmd->index % 32); |
1265 | int i; | |
1266 | ||
6aa30857 | 1267 | trace_printf_key(&trace_shallow, |
0a1bc12b NTND |
1268 | "shallow: update_shallow_ref %s\n", cmd->ref_name); |
1269 | for (i = 0; i < si->shallow->nr; i++) | |
1270 | if (si->used_shallow[i] && | |
1271 | (si->used_shallow[i][cmd->index / 32] & mask) && | |
1272 | !delayed_reachability_test(si, i)) | |
910650d2 | 1273 | oid_array_append(&extra, &si->shallow->oid[i]); |
0a1bc12b | 1274 | |
722ff7f8 | 1275 | opt.env = tmp_objdir_env(tmp_objdir); |
7043c707 JK |
1276 | setup_alternate_shallow(&shallow_lock, &opt.shallow_file, &extra); |
1277 | if (check_connected(command_singleton_iterator, cmd, &opt)) { | |
37b9dcab | 1278 | rollback_shallow_file(the_repository, &shallow_lock); |
910650d2 | 1279 | oid_array_clear(&extra); |
0a1bc12b NTND |
1280 | return -1; |
1281 | } | |
1282 | ||
37b9dcab | 1283 | commit_shallow_file(the_repository, &shallow_lock); |
0a1bc12b NTND |
1284 | |
1285 | /* | |
1286 | * Make sure setup_alternate_shallow() for the next ref does | |
1287 | * not lose these new roots.. | |
1288 | */ | |
1289 | for (i = 0; i < extra.nr; i++) | |
19143f13 | 1290 | register_shallow(the_repository, &extra.oid[i]); |
0a1bc12b NTND |
1291 | |
1292 | si->shallow_ref[cmd->index] = 0; | |
910650d2 | 1293 | oid_array_clear(&extra); |
0a1bc12b NTND |
1294 | return 0; |
1295 | } | |
1296 | ||
1a51b524 JH |
1297 | /* |
1298 | * NEEDSWORK: we should consolidate various implementions of "are we | |
1299 | * on an unborn branch?" test into one, and make the unified one more | |
1300 | * robust. !get_sha1() based check used here and elsewhere would not | |
1301 | * allow us to tell an unborn branch from corrupt ref, for example. | |
1302 | * For the purpose of fixing "deploy-to-update does not work when | |
1303 | * pushing into an empty repository" issue, this should suffice for | |
1304 | * now. | |
1305 | */ | |
1306 | static int head_has_history(void) | |
1307 | { | |
15be4a5d | 1308 | struct object_id oid; |
1a51b524 | 1309 | |
15be4a5d | 1310 | return !get_oid("HEAD", &oid); |
1a51b524 JH |
1311 | } |
1312 | ||
21b138d0 | 1313 | static const char *push_to_deploy(unsigned char *sha1, |
22f9b7f3 | 1314 | struct strvec *env, |
21b138d0 | 1315 | const char *work_tree) |
1404bcbb JS |
1316 | { |
1317 | const char *update_refresh[] = { | |
1318 | "update-index", "-q", "--ignore-submodules", "--refresh", NULL | |
1319 | }; | |
1320 | const char *diff_files[] = { | |
1321 | "diff-files", "--quiet", "--ignore-submodules", "--", NULL | |
1322 | }; | |
1323 | const char *diff_index[] = { | |
1324 | "diff-index", "--quiet", "--cached", "--ignore-submodules", | |
1a51b524 | 1325 | NULL, "--", NULL |
1404bcbb JS |
1326 | }; |
1327 | const char *read_tree[] = { | |
1328 | "read-tree", "-u", "-m", NULL, NULL | |
1329 | }; | |
1404bcbb JS |
1330 | struct child_process child = CHILD_PROCESS_INIT; |
1331 | ||
1404bcbb | 1332 | child.argv = update_refresh; |
d70a9eb6 | 1333 | child.env = env->v; |
1404bcbb JS |
1334 | child.dir = work_tree; |
1335 | child.no_stdin = 1; | |
1336 | child.stdout_to_stderr = 1; | |
1337 | child.git_cmd = 1; | |
21b138d0 | 1338 | if (run_command(&child)) |
1404bcbb | 1339 | return "Up-to-date check failed"; |
1404bcbb JS |
1340 | |
1341 | /* run_command() does not clean up completely; reinitialize */ | |
1342 | child_process_init(&child); | |
1343 | child.argv = diff_files; | |
d70a9eb6 | 1344 | child.env = env->v; |
1404bcbb JS |
1345 | child.dir = work_tree; |
1346 | child.no_stdin = 1; | |
1347 | child.stdout_to_stderr = 1; | |
1348 | child.git_cmd = 1; | |
21b138d0 | 1349 | if (run_command(&child)) |
1404bcbb | 1350 | return "Working directory has unstaged changes"; |
1404bcbb | 1351 | |
1a51b524 | 1352 | /* diff-index with either HEAD or an empty tree */ |
c00866a2 | 1353 | diff_index[4] = head_has_history() ? "HEAD" : empty_tree_oid_hex(); |
1a51b524 | 1354 | |
1404bcbb JS |
1355 | child_process_init(&child); |
1356 | child.argv = diff_index; | |
d70a9eb6 | 1357 | child.env = env->v; |
1404bcbb JS |
1358 | child.no_stdin = 1; |
1359 | child.no_stdout = 1; | |
1360 | child.stdout_to_stderr = 0; | |
1361 | child.git_cmd = 1; | |
21b138d0 | 1362 | if (run_command(&child)) |
1404bcbb | 1363 | return "Working directory has staged changes"; |
1404bcbb | 1364 | |
fc06be3b | 1365 | read_tree[3] = hash_to_hex(sha1); |
1404bcbb JS |
1366 | child_process_init(&child); |
1367 | child.argv = read_tree; | |
d70a9eb6 | 1368 | child.env = env->v; |
1404bcbb JS |
1369 | child.dir = work_tree; |
1370 | child.no_stdin = 1; | |
1371 | child.no_stdout = 1; | |
1372 | child.stdout_to_stderr = 0; | |
1373 | child.git_cmd = 1; | |
21b138d0 | 1374 | if (run_command(&child)) |
1404bcbb | 1375 | return "Could not update working tree to new HEAD"; |
1404bcbb | 1376 | |
1404bcbb JS |
1377 | return NULL; |
1378 | } | |
1379 | ||
08553319 JH |
1380 | static const char *push_to_checkout_hook = "push-to-checkout"; |
1381 | ||
fc06be3b | 1382 | static const char *push_to_checkout(unsigned char *hash, |
22f9b7f3 | 1383 | struct strvec *env, |
08553319 JH |
1384 | const char *work_tree) |
1385 | { | |
22f9b7f3 | 1386 | strvec_pushf(env, "GIT_WORK_TREE=%s", absolute_path(work_tree)); |
d70a9eb6 | 1387 | if (run_hook_le(env->v, push_to_checkout_hook, |
fc06be3b | 1388 | hash_to_hex(hash), NULL)) |
08553319 JH |
1389 | return "push-to-checkout hook declined"; |
1390 | else | |
1391 | return NULL; | |
1392 | } | |
1393 | ||
4ef34648 | 1394 | static const char *update_worktree(unsigned char *sha1, const struct worktree *worktree) |
21b138d0 | 1395 | { |
4ef34648 | 1396 | const char *retval, *work_tree, *git_dir = NULL; |
22f9b7f3 | 1397 | struct strvec env = STRVEC_INIT; |
21b138d0 | 1398 | |
4ef34648 HV |
1399 | if (worktree && worktree->path) |
1400 | work_tree = worktree->path; | |
1401 | else if (git_work_tree_cfg) | |
1402 | work_tree = git_work_tree_cfg; | |
1403 | else | |
1404 | work_tree = ".."; | |
1405 | ||
21b138d0 JH |
1406 | if (is_bare_repository()) |
1407 | return "denyCurrentBranch = updateInstead needs a worktree"; | |
4ef34648 HV |
1408 | if (worktree) |
1409 | git_dir = get_worktree_git_dir(worktree); | |
1410 | if (!git_dir) | |
1411 | git_dir = get_git_dir(); | |
21b138d0 | 1412 | |
22f9b7f3 | 1413 | strvec_pushf(&env, "GIT_DIR=%s", absolute_path(git_dir)); |
21b138d0 | 1414 | |
08553319 JH |
1415 | if (!find_hook(push_to_checkout_hook)) |
1416 | retval = push_to_deploy(sha1, &env, work_tree); | |
1417 | else | |
1418 | retval = push_to_checkout(sha1, &env, work_tree); | |
21b138d0 | 1419 | |
22f9b7f3 | 1420 | strvec_clear(&env); |
21b138d0 JH |
1421 | return retval; |
1422 | } | |
1423 | ||
0a1bc12b | 1424 | static const char *update(struct command *cmd, struct shallow_info *si) |
2eca23da | 1425 | { |
cfee10a7 | 1426 | const char *name = cmd->ref_name; |
6b01ecfe | 1427 | struct strbuf namespaced_name_buf = STRBUF_INIT; |
bda6e828 JS |
1428 | static char *namespaced_name; |
1429 | const char *ret; | |
9c44ea44 | 1430 | struct object_id *old_oid = &cmd->old_oid; |
1431 | struct object_id *new_oid = &cmd->new_oid; | |
b072a25f | 1432 | int do_update_worktree = 0; |
4ef34648 | 1433 | const struct worktree *worktree = is_bare_repository() ? NULL : find_shared_symref("HEAD", name); |
2eca23da | 1434 | |
061d6b9a | 1435 | /* only refs/... are allowed */ |
59556548 | 1436 | if (!starts_with(name, "refs/") || check_refname_format(name + 5, 0)) { |
466dbc42 | 1437 | rp_error("refusing to create funny ref '%s' remotely", name); |
8aaf7d64 | 1438 | return "funny refname"; |
cfee10a7 | 1439 | } |
d8a1deec | 1440 | |
6b01ecfe | 1441 | strbuf_addf(&namespaced_name_buf, "%s%s", get_git_namespace(), name); |
bda6e828 | 1442 | free(namespaced_name); |
6b01ecfe JT |
1443 | namespaced_name = strbuf_detach(&namespaced_name_buf, NULL); |
1444 | ||
4ef34648 | 1445 | if (worktree) { |
3d95d92b JH |
1446 | switch (deny_current_branch) { |
1447 | case DENY_IGNORE: | |
986e8239 | 1448 | break; |
3d95d92b | 1449 | case DENY_WARN: |
466dbc42 | 1450 | rp_warning("updating the current branch"); |
986e8239 | 1451 | break; |
3d95d92b | 1452 | case DENY_REFUSE: |
acd2a45b | 1453 | case DENY_UNCONFIGURED: |
466dbc42 | 1454 | rp_error("refusing to update checked out branch: %s", name); |
acd2a45b JH |
1455 | if (deny_current_branch == DENY_UNCONFIGURED) |
1456 | refuse_unconfigured_deny(); | |
3d95d92b | 1457 | return "branch is currently checked out"; |
1404bcbb | 1458 | case DENY_UPDATE_INSTEAD: |
b072a25f JH |
1459 | /* pass -- let other checks intervene first */ |
1460 | do_update_worktree = 1; | |
1404bcbb | 1461 | break; |
3d95d92b | 1462 | } |
986e8239 JK |
1463 | } |
1464 | ||
9c44ea44 | 1465 | if (!is_null_oid(new_oid) && !has_object_file(new_oid)) { |
8aaf7d64 | 1466 | error("unpack should have generated %s, " |
9c44ea44 | 1467 | "but I can't find it!", oid_to_hex(new_oid)); |
8aaf7d64 | 1468 | return "bad pack"; |
cfee10a7 | 1469 | } |
747ca245 | 1470 | |
9c44ea44 | 1471 | if (!is_null_oid(old_oid) && is_null_oid(new_oid)) { |
59556548 | 1472 | if (deny_deletes && starts_with(name, "refs/heads/")) { |
466dbc42 | 1473 | rp_error("denying ref deletion for %s", name); |
747ca245 JH |
1474 | return "deletion prohibited"; |
1475 | } | |
1476 | ||
4ef34648 | 1477 | if (worktree || (head_name && !strcmp(namespaced_name, head_name))) { |
747ca245 JH |
1478 | switch (deny_delete_current) { |
1479 | case DENY_IGNORE: | |
1480 | break; | |
1481 | case DENY_WARN: | |
466dbc42 | 1482 | rp_warning("deleting the current branch"); |
747ca245 JH |
1483 | break; |
1484 | case DENY_REFUSE: | |
375881fa | 1485 | case DENY_UNCONFIGURED: |
1404bcbb | 1486 | case DENY_UPDATE_INSTEAD: |
375881fa JH |
1487 | if (deny_delete_current == DENY_UNCONFIGURED) |
1488 | refuse_unconfigured_deny_delete_current(); | |
466dbc42 | 1489 | rp_error("refusing to delete the current branch: %s", name); |
747ca245 | 1490 | return "deletion of the current branch prohibited"; |
1404bcbb JS |
1491 | default: |
1492 | return "Invalid denyDeleteCurrent setting"; | |
747ca245 JH |
1493 | } |
1494 | } | |
a240de11 | 1495 | } |
747ca245 | 1496 | |
9c44ea44 | 1497 | if (deny_non_fast_forwards && !is_null_oid(new_oid) && |
1498 | !is_null_oid(old_oid) && | |
59556548 | 1499 | starts_with(name, "refs/heads/")) { |
eab82707 | 1500 | struct object *old_object, *new_object; |
11031d7e | 1501 | struct commit *old_commit, *new_commit; |
11031d7e | 1502 | |
109cd76d SB |
1503 | old_object = parse_object(the_repository, old_oid); |
1504 | new_object = parse_object(the_repository, new_oid); | |
eab82707 MK |
1505 | |
1506 | if (!old_object || !new_object || | |
1507 | old_object->type != OBJ_COMMIT || | |
1508 | new_object->type != OBJ_COMMIT) { | |
1509 | error("bad sha1 objects for %s", name); | |
1510 | return "bad ref"; | |
1511 | } | |
1512 | old_commit = (struct commit *)old_object; | |
1513 | new_commit = (struct commit *)new_object; | |
5d55915c | 1514 | if (!in_merge_bases(old_commit, new_commit)) { |
466dbc42 SP |
1515 | rp_error("denying non-fast-forward %s" |
1516 | " (you should pull first)", name); | |
a75d7b54 | 1517 | return "non-fast-forward"; |
8aaf7d64 | 1518 | } |
11031d7e | 1519 | } |
1d9e8b56 | 1520 | if (run_update_hook(cmd)) { |
466dbc42 | 1521 | rp_error("hook declined to update %s", name); |
8aaf7d64 | 1522 | return "hook declined"; |
b1bf95bb | 1523 | } |
3159c8dc | 1524 | |
b072a25f | 1525 | if (do_update_worktree) { |
4ef34648 | 1526 | ret = update_worktree(new_oid->hash, find_shared_symref("HEAD", name)); |
b072a25f JH |
1527 | if (ret) |
1528 | return ret; | |
1529 | } | |
1530 | ||
9c44ea44 | 1531 | if (is_null_oid(new_oid)) { |
222368c6 | 1532 | struct strbuf err = STRBUF_INIT; |
109cd76d | 1533 | if (!parse_object(the_repository, old_oid)) { |
9c44ea44 | 1534 | old_oid = NULL; |
160b81ed PYH |
1535 | if (ref_exists(name)) { |
1536 | rp_warning("Allowing deletion of corrupt ref."); | |
1537 | } else { | |
1538 | rp_warning("Deleting a non-existent ref."); | |
1539 | cmd->did_not_exist = 1; | |
1540 | } | |
28391a80 | 1541 | } |
222368c6 SB |
1542 | if (ref_transaction_delete(transaction, |
1543 | namespaced_name, | |
89f3bbdd | 1544 | old_oid, |
fb5a6bb6 | 1545 | 0, "push", &err)) { |
222368c6 SB |
1546 | rp_error("%s", err.buf); |
1547 | strbuf_release(&err); | |
8aaf7d64 | 1548 | return "failed to delete"; |
d4f694ba | 1549 | } |
222368c6 | 1550 | strbuf_release(&err); |
8aaf7d64 | 1551 | return NULL; /* good */ |
d4f694ba JH |
1552 | } |
1553 | else { | |
6629ea2d | 1554 | struct strbuf err = STRBUF_INIT; |
0a1bc12b NTND |
1555 | if (shallow_update && si->shallow_ref[cmd->index] && |
1556 | update_shallow_ref(cmd, si)) | |
1557 | return "shallow error"; | |
1558 | ||
222368c6 SB |
1559 | if (ref_transaction_update(transaction, |
1560 | namespaced_name, | |
89f3bbdd | 1561 | new_oid, old_oid, |
1d147bdf | 1562 | 0, "push", |
222368c6 | 1563 | &err)) { |
6629ea2d RS |
1564 | rp_error("%s", err.buf); |
1565 | strbuf_release(&err); | |
222368c6 | 1566 | |
6629ea2d | 1567 | return "failed to update ref"; |
ef203f08 | 1568 | } |
6629ea2d | 1569 | strbuf_release(&err); |
222368c6 | 1570 | |
8aaf7d64 | 1571 | return NULL; /* good */ |
19614330 | 1572 | } |
2eca23da LT |
1573 | } |
1574 | ||
5e1c71fd | 1575 | static void run_update_post_hook(struct command *commands) |
19614330 | 1576 | { |
5e1c71fd | 1577 | struct command *cmd; |
d3180279 | 1578 | struct child_process proc = CHILD_PROCESS_INIT; |
dcf69262 | 1579 | const char *hook; |
19614330 | 1580 | |
5a7da2dc | 1581 | hook = find_hook("post-update"); |
dce96c41 | 1582 | if (!hook) |
3e6e152c | 1583 | return; |
5a7da2dc | 1584 | |
850d2fec | 1585 | for (cmd = commands; cmd; cmd = cmd->next) { |
160b81ed | 1586 | if (cmd->error_string || cmd->did_not_exist) |
19614330 | 1587 | continue; |
d70a9eb6 | 1588 | if (!proc.args.nr) |
22f9b7f3 JK |
1589 | strvec_push(&proc.args, hook); |
1590 | strvec_push(&proc.args, cmd->ref_name); | |
19614330 | 1591 | } |
d70a9eb6 | 1592 | if (!proc.args.nr) |
dce96c41 | 1593 | return; |
6d525d38 | 1594 | |
6d525d38 SP |
1595 | proc.no_stdin = 1; |
1596 | proc.stdout_to_stderr = 1; | |
1597 | proc.err = use_sideband ? -1 : 0; | |
6206286e | 1598 | proc.trace2_hook_name = "post-update"; |
6d525d38 SP |
1599 | |
1600 | if (!start_command(&proc)) { | |
1601 | if (use_sideband) | |
1602 | copy_to_sideband(proc.err, -1, NULL); | |
1603 | finish_command(&proc); | |
1604 | } | |
19614330 | 1605 | } |
2eca23da | 1606 | |
99036237 ÆAB |
1607 | static void check_aliased_update_internal(struct command *cmd, |
1608 | struct string_list *list, | |
1609 | const char *dst_name, int flag) | |
da3efdb1 JS |
1610 | { |
1611 | struct string_list_item *item; | |
1612 | struct command *dst_cmd; | |
da3efdb1 JS |
1613 | |
1614 | if (!(flag & REF_ISSYMREF)) | |
1615 | return; | |
1616 | ||
6b01ecfe JT |
1617 | if (!dst_name) { |
1618 | rp_error("refusing update to broken symref '%s'", cmd->ref_name); | |
1619 | cmd->skip_update = 1; | |
1620 | cmd->error_string = "broken symref"; | |
1621 | return; | |
1622 | } | |
ded83936 | 1623 | dst_name = strip_namespace(dst_name); |
6b01ecfe | 1624 | |
e8c8b713 | 1625 | if ((item = string_list_lookup(list, dst_name)) == NULL) |
da3efdb1 JS |
1626 | return; |
1627 | ||
1628 | cmd->skip_update = 1; | |
1629 | ||
1630 | dst_cmd = (struct command *) item->util; | |
1631 | ||
4a7e27e9 JK |
1632 | if (oideq(&cmd->old_oid, &dst_cmd->old_oid) && |
1633 | oideq(&cmd->new_oid, &dst_cmd->new_oid)) | |
da3efdb1 JS |
1634 | return; |
1635 | ||
1636 | dst_cmd->skip_update = 1; | |
1637 | ||
da3efdb1 JS |
1638 | rp_error("refusing inconsistent update between symref '%s' (%s..%s) and" |
1639 | " its target '%s' (%s..%s)", | |
ef2ed501 | 1640 | cmd->ref_name, |
aab9583f | 1641 | find_unique_abbrev(&cmd->old_oid, DEFAULT_ABBREV), |
1642 | find_unique_abbrev(&cmd->new_oid, DEFAULT_ABBREV), | |
ef2ed501 | 1643 | dst_cmd->ref_name, |
aab9583f | 1644 | find_unique_abbrev(&dst_cmd->old_oid, DEFAULT_ABBREV), |
1645 | find_unique_abbrev(&dst_cmd->new_oid, DEFAULT_ABBREV)); | |
da3efdb1 JS |
1646 | |
1647 | cmd->error_string = dst_cmd->error_string = | |
1648 | "inconsistent aliased update"; | |
1649 | } | |
1650 | ||
99036237 ÆAB |
1651 | static void check_aliased_update(struct command *cmd, struct string_list *list) |
1652 | { | |
1653 | struct strbuf buf = STRBUF_INIT; | |
1654 | const char *dst_name; | |
1655 | int flag; | |
1656 | ||
1657 | strbuf_addf(&buf, "%s%s", get_git_namespace(), cmd->ref_name); | |
1658 | dst_name = resolve_ref_unsafe(buf.buf, 0, NULL, &flag); | |
1659 | check_aliased_update_internal(cmd, list, dst_name, flag); | |
1660 | strbuf_release(&buf); | |
1661 | } | |
1662 | ||
da3efdb1 JS |
1663 | static void check_aliased_updates(struct command *commands) |
1664 | { | |
1665 | struct command *cmd; | |
183113a5 | 1666 | struct string_list ref_list = STRING_LIST_INIT_NODUP; |
da3efdb1 JS |
1667 | |
1668 | for (cmd = commands; cmd; cmd = cmd->next) { | |
1669 | struct string_list_item *item = | |
1d2f80fa | 1670 | string_list_append(&ref_list, cmd->ref_name); |
da3efdb1 JS |
1671 | item->util = (void *)cmd; |
1672 | } | |
3383e199 | 1673 | string_list_sort(&ref_list); |
da3efdb1 | 1674 | |
ef7e93d9 CB |
1675 | for (cmd = commands; cmd; cmd = cmd->next) { |
1676 | if (!cmd->error_string) | |
1677 | check_aliased_update(cmd, &ref_list); | |
1678 | } | |
da3efdb1 JS |
1679 | |
1680 | string_list_clear(&ref_list, 0); | |
1681 | } | |
1682 | ||
6ccac9ee | 1683 | static int command_singleton_iterator(void *cb_data, struct object_id *oid) |
52fed6e1 JH |
1684 | { |
1685 | struct command **cmd_list = cb_data; | |
1686 | struct command *cmd = *cmd_list; | |
1687 | ||
9c44ea44 | 1688 | if (!cmd || is_null_oid(&cmd->new_oid)) |
52fed6e1 JH |
1689 | return -1; /* end of list */ |
1690 | *cmd_list = NULL; /* this returns only one */ | |
6ccac9ee | 1691 | oidcpy(oid, &cmd->new_oid); |
52fed6e1 JH |
1692 | return 0; |
1693 | } | |
1694 | ||
0a1bc12b NTND |
1695 | static void set_connectivity_errors(struct command *commands, |
1696 | struct shallow_info *si) | |
52fed6e1 JH |
1697 | { |
1698 | struct command *cmd; | |
1699 | ||
1700 | for (cmd = commands; cmd; cmd = cmd->next) { | |
1701 | struct command *singleton = cmd; | |
722ff7f8 JK |
1702 | struct check_connected_options opt = CHECK_CONNECTED_INIT; |
1703 | ||
0a1bc12b NTND |
1704 | if (shallow_update && si->shallow_ref[cmd->index]) |
1705 | /* to be checked in update_shallow_ref() */ | |
1706 | continue; | |
722ff7f8 JK |
1707 | |
1708 | opt.env = tmp_objdir_env(tmp_objdir); | |
7043c707 | 1709 | if (!check_connected(command_singleton_iterator, &singleton, |
722ff7f8 | 1710 | &opt)) |
52fed6e1 | 1711 | continue; |
722ff7f8 | 1712 | |
52fed6e1 JH |
1713 | cmd->error_string = "missing necessary objects"; |
1714 | } | |
1715 | } | |
1716 | ||
0a1bc12b NTND |
1717 | struct iterate_data { |
1718 | struct command *cmds; | |
1719 | struct shallow_info *si; | |
1720 | }; | |
1721 | ||
6ccac9ee | 1722 | static int iterate_receive_command_list(void *cb_data, struct object_id *oid) |
52fed6e1 | 1723 | { |
0a1bc12b NTND |
1724 | struct iterate_data *data = cb_data; |
1725 | struct command **cmd_list = &data->cmds; | |
52fed6e1 JH |
1726 | struct command *cmd = *cmd_list; |
1727 | ||
0a1bc12b NTND |
1728 | for (; cmd; cmd = cmd->next) { |
1729 | if (shallow_update && data->si->shallow_ref[cmd->index]) | |
1730 | /* to be checked in update_shallow_ref() */ | |
1731 | continue; | |
9c44ea44 | 1732 | if (!is_null_oid(&cmd->new_oid) && !cmd->skip_update) { |
6ccac9ee | 1733 | oidcpy(oid, &cmd->new_oid); |
ee6dfb2d JH |
1734 | *cmd_list = cmd->next; |
1735 | return 0; | |
1736 | } | |
ee6dfb2d JH |
1737 | } |
1738 | *cmd_list = NULL; | |
1739 | return -1; /* end of list */ | |
52fed6e1 JH |
1740 | } |
1741 | ||
daebaa78 JH |
1742 | static void reject_updates_to_hidden(struct command *commands) |
1743 | { | |
78a766ab LF |
1744 | struct strbuf refname_full = STRBUF_INIT; |
1745 | size_t prefix_len; | |
daebaa78 JH |
1746 | struct command *cmd; |
1747 | ||
78a766ab LF |
1748 | strbuf_addstr(&refname_full, get_git_namespace()); |
1749 | prefix_len = refname_full.len; | |
1750 | ||
daebaa78 | 1751 | for (cmd = commands; cmd; cmd = cmd->next) { |
78a766ab LF |
1752 | if (cmd->error_string) |
1753 | continue; | |
1754 | ||
1755 | strbuf_setlen(&refname_full, prefix_len); | |
1756 | strbuf_addstr(&refname_full, cmd->ref_name); | |
1757 | ||
1758 | if (!ref_is_hidden(cmd->ref_name, refname_full.buf)) | |
daebaa78 | 1759 | continue; |
9c44ea44 | 1760 | if (is_null_oid(&cmd->new_oid)) |
daebaa78 JH |
1761 | cmd->error_string = "deny deleting a hidden ref"; |
1762 | else | |
1763 | cmd->error_string = "deny updating a hidden ref"; | |
1764 | } | |
78a766ab LF |
1765 | |
1766 | strbuf_release(&refname_full); | |
daebaa78 JH |
1767 | } |
1768 | ||
a6a84319 SB |
1769 | static int should_process_cmd(struct command *cmd) |
1770 | { | |
1771 | return !cmd->error_string && !cmd->skip_update; | |
1772 | } | |
1773 | ||
1774 | static void warn_if_skipped_connectivity_check(struct command *commands, | |
1775 | struct shallow_info *si) | |
1776 | { | |
1777 | struct command *cmd; | |
1778 | int checked_connectivity = 1; | |
1779 | ||
1780 | for (cmd = commands; cmd; cmd = cmd->next) { | |
1781 | if (should_process_cmd(cmd) && si->shallow_ref[cmd->index]) { | |
1782 | error("BUG: connectivity check has not been run on ref %s", | |
1783 | cmd->ref_name); | |
1784 | checked_connectivity = 0; | |
1785 | } | |
1786 | } | |
1787 | if (!checked_connectivity) | |
033abf97 | 1788 | BUG("connectivity check skipped???"); |
a6a84319 SB |
1789 | } |
1790 | ||
a1a26145 SB |
1791 | static void execute_commands_non_atomic(struct command *commands, |
1792 | struct shallow_info *si) | |
1793 | { | |
1794 | struct command *cmd; | |
222368c6 SB |
1795 | struct strbuf err = STRBUF_INIT; |
1796 | ||
a1a26145 | 1797 | for (cmd = commands; cmd; cmd = cmd->next) { |
15d3af5e | 1798 | if (!should_process_cmd(cmd) || cmd->run_proc_receive) |
a1a26145 SB |
1799 | continue; |
1800 | ||
222368c6 SB |
1801 | transaction = ref_transaction_begin(&err); |
1802 | if (!transaction) { | |
1803 | rp_error("%s", err.buf); | |
1804 | strbuf_reset(&err); | |
1805 | cmd->error_string = "transaction failed to start"; | |
1806 | continue; | |
1807 | } | |
1808 | ||
a1a26145 | 1809 | cmd->error_string = update(cmd, si); |
222368c6 SB |
1810 | |
1811 | if (!cmd->error_string | |
1812 | && ref_transaction_commit(transaction, &err)) { | |
1813 | rp_error("%s", err.buf); | |
1814 | strbuf_reset(&err); | |
1815 | cmd->error_string = "failed to update ref"; | |
1816 | } | |
1817 | ref_transaction_free(transaction); | |
a1a26145 | 1818 | } |
68deed29 SB |
1819 | strbuf_release(&err); |
1820 | } | |
222368c6 | 1821 | |
68deed29 SB |
1822 | static void execute_commands_atomic(struct command *commands, |
1823 | struct shallow_info *si) | |
1824 | { | |
1825 | struct command *cmd; | |
1826 | struct strbuf err = STRBUF_INIT; | |
1827 | const char *reported_error = "atomic push failure"; | |
1828 | ||
1829 | transaction = ref_transaction_begin(&err); | |
1830 | if (!transaction) { | |
1831 | rp_error("%s", err.buf); | |
1832 | strbuf_reset(&err); | |
1833 | reported_error = "transaction failed to start"; | |
1834 | goto failure; | |
1835 | } | |
1836 | ||
1837 | for (cmd = commands; cmd; cmd = cmd->next) { | |
15d3af5e | 1838 | if (!should_process_cmd(cmd) || cmd->run_proc_receive) |
68deed29 SB |
1839 | continue; |
1840 | ||
1841 | cmd->error_string = update(cmd, si); | |
1842 | ||
1843 | if (cmd->error_string) | |
1844 | goto failure; | |
1845 | } | |
1846 | ||
1847 | if (ref_transaction_commit(transaction, &err)) { | |
1848 | rp_error("%s", err.buf); | |
1849 | reported_error = "atomic transaction failed"; | |
1850 | goto failure; | |
1851 | } | |
1852 | goto cleanup; | |
1853 | ||
1854 | failure: | |
1855 | for (cmd = commands; cmd; cmd = cmd->next) | |
1856 | if (!cmd->error_string) | |
1857 | cmd->error_string = reported_error; | |
1858 | ||
1859 | cleanup: | |
1860 | ref_transaction_free(transaction); | |
222368c6 | 1861 | strbuf_release(&err); |
a1a26145 SB |
1862 | } |
1863 | ||
0a1bc12b NTND |
1864 | static void execute_commands(struct command *commands, |
1865 | const char *unpacker_error, | |
77a9745d SB |
1866 | struct shallow_info *si, |
1867 | const struct string_list *push_options) | |
575f4974 | 1868 | { |
d415092a | 1869 | struct check_connected_options opt = CHECK_CONNECTED_INIT; |
5e1c71fd | 1870 | struct command *cmd; |
0a1bc12b | 1871 | struct iterate_data data; |
d415092a JK |
1872 | struct async muxer; |
1873 | int err_fd = 0; | |
15d3af5e | 1874 | int run_proc_receive = 0; |
8aaf7d64 SP |
1875 | |
1876 | if (unpacker_error) { | |
5e1c71fd | 1877 | for (cmd = commands; cmd; cmd = cmd->next) |
74eb32d3 | 1878 | cmd->error_string = "unpacker error"; |
8aaf7d64 SP |
1879 | return; |
1880 | } | |
1881 | ||
d415092a JK |
1882 | if (use_sideband) { |
1883 | memset(&muxer, 0, sizeof(muxer)); | |
1884 | muxer.proc = copy_to_sideband; | |
1885 | muxer.in = -1; | |
1886 | if (!start_async(&muxer)) | |
1887 | err_fd = muxer.in; | |
1888 | /* ...else, continue without relaying sideband */ | |
1889 | } | |
1890 | ||
0a1bc12b NTND |
1891 | data.cmds = commands; |
1892 | data.si = si; | |
d415092a | 1893 | opt.err_fd = err_fd; |
6b4cd2f8 | 1894 | opt.progress = err_fd && !quiet; |
722ff7f8 | 1895 | opt.env = tmp_objdir_env(tmp_objdir); |
d415092a | 1896 | if (check_connected(iterate_receive_command_list, &data, &opt)) |
0a1bc12b | 1897 | set_connectivity_errors(commands, si); |
52fed6e1 | 1898 | |
d415092a JK |
1899 | if (use_sideband) |
1900 | finish_async(&muxer); | |
1901 | ||
daebaa78 JH |
1902 | reject_updates_to_hidden(commands); |
1903 | ||
15d3af5e JX |
1904 | /* |
1905 | * Try to find commands that have special prefix in their reference names, | |
1906 | * and mark them to run an external "proc-receive" hook later. | |
1907 | */ | |
31e8595a JX |
1908 | if (proc_receive_ref) { |
1909 | for (cmd = commands; cmd; cmd = cmd->next) { | |
1910 | if (!should_process_cmd(cmd)) | |
1911 | continue; | |
15d3af5e | 1912 | |
31e8595a JX |
1913 | if (proc_receive_ref_matches(cmd)) { |
1914 | cmd->run_proc_receive = RUN_PROC_RECEIVE_SCHEDULED; | |
1915 | run_proc_receive = 1; | |
1916 | } | |
15d3af5e JX |
1917 | } |
1918 | } | |
1919 | ||
77a9745d | 1920 | if (run_receive_hook(commands, "pre-receive", 0, push_options)) { |
ef7e93d9 CB |
1921 | for (cmd = commands; cmd; cmd = cmd->next) { |
1922 | if (!cmd->error_string) | |
1923 | cmd->error_string = "pre-receive hook declined"; | |
1924 | } | |
05ef58ec SP |
1925 | return; |
1926 | } | |
1927 | ||
722ff7f8 JK |
1928 | /* |
1929 | * Now we'll start writing out refs, which means the objects need | |
1930 | * to be in their final positions so that other processes can see them. | |
1931 | */ | |
1932 | if (tmp_objdir_migrate(tmp_objdir) < 0) { | |
1933 | for (cmd = commands; cmd; cmd = cmd->next) { | |
1934 | if (!cmd->error_string) | |
1935 | cmd->error_string = "unable to migrate objects to permanent storage"; | |
1936 | } | |
1937 | return; | |
1938 | } | |
1939 | tmp_objdir = NULL; | |
1940 | ||
da3efdb1 JS |
1941 | check_aliased_updates(commands); |
1942 | ||
96ec7b1e | 1943 | free(head_name_to_free); |
efbd4fdf | 1944 | head_name = head_name_to_free = resolve_refdup("HEAD", 0, NULL, NULL); |
747ca245 | 1945 | |
15d3af5e JX |
1946 | if (run_proc_receive && |
1947 | run_proc_receive_hook(commands, push_options)) | |
1948 | for (cmd = commands; cmd; cmd = cmd->next) | |
1949 | if (!cmd->error_string && | |
1950 | !(cmd->run_proc_receive & RUN_PROC_RECEIVE_RETURNED) && | |
1951 | (cmd->run_proc_receive || use_atomic)) | |
1952 | cmd->error_string = "fail to run proc-receive hook"; | |
1953 | ||
68deed29 SB |
1954 | if (use_atomic) |
1955 | execute_commands_atomic(commands, si); | |
1956 | else | |
1957 | execute_commands_non_atomic(commands, si); | |
0a1bc12b | 1958 | |
a6a84319 SB |
1959 | if (shallow_update) |
1960 | warn_if_skipped_connectivity_check(commands, si); | |
575f4974 LT |
1961 | } |
1962 | ||
39895c74 JH |
1963 | static struct command **queue_command(struct command **tail, |
1964 | const char *line, | |
1965 | int linelen) | |
1966 | { | |
9c44ea44 | 1967 | struct object_id old_oid, new_oid; |
39895c74 JH |
1968 | struct command *cmd; |
1969 | const char *refname; | |
1970 | int reflen; | |
9c44ea44 | 1971 | const char *p; |
39895c74 | 1972 | |
9c44ea44 | 1973 | if (parse_oid_hex(line, &old_oid, &p) || |
1974 | *p++ != ' ' || | |
1975 | parse_oid_hex(p, &new_oid, &p) || | |
1976 | *p++ != ' ') | |
39895c74 JH |
1977 | die("protocol error: expected old/new/ref, got '%s'", line); |
1978 | ||
9c44ea44 | 1979 | refname = p; |
1980 | reflen = linelen - (p - line); | |
ddd0bfac | 1981 | FLEX_ALLOC_MEM(cmd, ref_name, refname, reflen); |
9c44ea44 | 1982 | oidcpy(&cmd->old_oid, &old_oid); |
1983 | oidcpy(&cmd->new_oid, &new_oid); | |
39895c74 JH |
1984 | *tail = cmd; |
1985 | return &cmd->next; | |
1986 | } | |
1987 | ||
4adf569d JH |
1988 | static void queue_commands_from_cert(struct command **tail, |
1989 | struct strbuf *push_cert) | |
1990 | { | |
1991 | const char *boc, *eoc; | |
1992 | ||
1993 | if (*tail) | |
1994 | die("protocol error: got both push certificate and unsigned commands"); | |
1995 | ||
1996 | boc = strstr(push_cert->buf, "\n\n"); | |
1997 | if (!boc) | |
1998 | die("malformed push certificate %.*s", 100, push_cert->buf); | |
1999 | else | |
2000 | boc += 2; | |
2001 | eoc = push_cert->buf + parse_signature(push_cert->buf, push_cert->len); | |
2002 | ||
2003 | while (boc < eoc) { | |
2004 | const char *eol = memchr(boc, '\n', eoc - boc); | |
f2214ded | 2005 | tail = queue_command(tail, boc, eol ? eol - boc : eoc - boc); |
4adf569d JH |
2006 | boc = eol ? eol + 1 : eoc; |
2007 | } | |
2008 | } | |
2009 | ||
01f9ec64 MS |
2010 | static struct command *read_head_info(struct packet_reader *reader, |
2011 | struct oid_array *shallow) | |
575f4974 | 2012 | { |
5e1c71fd | 2013 | struct command *commands = NULL; |
eb1af2df | 2014 | struct command **p = &commands; |
575f4974 | 2015 | for (;;) { |
01f9ec64 | 2016 | int linelen; |
eb1af2df | 2017 | |
01f9ec64 | 2018 | if (packet_reader_read(reader) != PACKET_READ_NORMAL) |
575f4974 | 2019 | break; |
5dbd7676 | 2020 | |
01f9ec64 | 2021 | if (reader->pktlen > 8 && starts_with(reader->line, "shallow ")) { |
9c44ea44 | 2022 | struct object_id oid; |
01f9ec64 | 2023 | if (get_oid_hex(reader->line + 8, &oid)) |
c09b71cc | 2024 | die("protocol error: expected shallow sha, got '%s'", |
01f9ec64 | 2025 | reader->line + 8); |
910650d2 | 2026 | oid_array_append(shallow, &oid); |
5dbd7676 NTND |
2027 | continue; |
2028 | } | |
2029 | ||
01f9ec64 MS |
2030 | linelen = strlen(reader->line); |
2031 | if (linelen < reader->pktlen) { | |
2032 | const char *feature_list = reader->line + linelen + 1; | |
bb095d08 | 2033 | const char *hash = NULL; |
2034 | int len = 0; | |
f47182c8 | 2035 | if (parse_feature_request(feature_list, "report-status")) |
cfee10a7 | 2036 | report_status = 1; |
63518a57 JX |
2037 | if (parse_feature_request(feature_list, "report-status-v2")) |
2038 | report_status_v2 = 1; | |
f47182c8 | 2039 | if (parse_feature_request(feature_list, "side-band-64k")) |
38a81b4e | 2040 | use_sideband = LARGE_PACKET_MAX; |
c207e34f CB |
2041 | if (parse_feature_request(feature_list, "quiet")) |
2042 | quiet = 1; | |
1b70fe5d RS |
2043 | if (advertise_atomic_push |
2044 | && parse_feature_request(feature_list, "atomic")) | |
2045 | use_atomic = 1; | |
c714e45f SB |
2046 | if (advertise_push_options |
2047 | && parse_feature_request(feature_list, "push-options")) | |
2048 | use_push_options = 1; | |
bb095d08 | 2049 | hash = parse_feature_value(feature_list, "object-format", &len, NULL); |
2050 | if (!hash) { | |
2051 | hash = hash_algos[GIT_HASH_SHA1].name; | |
2052 | len = strlen(hash); | |
2053 | } | |
2054 | if (xstrncmpz(the_hash_algo->name, hash, len)) | |
2055 | die("error: unsupported object format '%s'", hash); | |
cfee10a7 | 2056 | } |
0e3c339b | 2057 | |
01f9ec64 | 2058 | if (!strcmp(reader->line, "push-cert")) { |
a85b377d | 2059 | int true_flush = 0; |
01f9ec64 MS |
2060 | int saved_options = reader->options; |
2061 | reader->options &= ~PACKET_READ_CHOMP_NEWLINE; | |
a85b377d JH |
2062 | |
2063 | for (;;) { | |
01f9ec64 MS |
2064 | packet_reader_read(reader); |
2065 | if (reader->status == PACKET_READ_FLUSH) { | |
a85b377d JH |
2066 | true_flush = 1; |
2067 | break; | |
2068 | } | |
01f9ec64 MS |
2069 | if (reader->status != PACKET_READ_NORMAL) { |
2070 | die("protocol error: got an unexpected packet"); | |
2071 | } | |
2072 | if (!strcmp(reader->line, "push-cert-end\n")) | |
a85b377d | 2073 | break; /* end of cert */ |
01f9ec64 | 2074 | strbuf_addstr(&push_cert, reader->line); |
a85b377d | 2075 | } |
01f9ec64 | 2076 | reader->options = saved_options; |
a85b377d JH |
2077 | |
2078 | if (true_flush) | |
2079 | break; | |
2080 | continue; | |
2081 | } | |
2082 | ||
01f9ec64 | 2083 | p = queue_command(p, reader->line, linelen); |
575f4974 | 2084 | } |
4adf569d JH |
2085 | |
2086 | if (push_cert.len) | |
2087 | queue_commands_from_cert(p, &push_cert); | |
2088 | ||
5e1c71fd | 2089 | return commands; |
575f4974 LT |
2090 | } |
2091 | ||
01f9ec64 MS |
2092 | static void read_push_options(struct packet_reader *reader, |
2093 | struct string_list *options) | |
c714e45f SB |
2094 | { |
2095 | while (1) { | |
01f9ec64 | 2096 | if (packet_reader_read(reader) != PACKET_READ_NORMAL) |
c714e45f SB |
2097 | break; |
2098 | ||
01f9ec64 | 2099 | string_list_append(options, reader->line); |
c714e45f SB |
2100 | } |
2101 | } | |
2102 | ||
fc04c412 SP |
2103 | static const char *parse_pack_header(struct pack_header *hdr) |
2104 | { | |
a69e5429 JH |
2105 | switch (read_pack_header(0, hdr)) { |
2106 | case PH_ERROR_EOF: | |
2107 | return "eof before pack header was fully read"; | |
2108 | ||
2109 | case PH_ERROR_PACK_SIGNATURE: | |
fc04c412 | 2110 | return "protocol error (pack signature mismatch detected)"; |
a69e5429 JH |
2111 | |
2112 | case PH_ERROR_PROTOCOL: | |
fc04c412 | 2113 | return "protocol error (pack version unsupported)"; |
a69e5429 JH |
2114 | |
2115 | default: | |
2116 | return "unknown error in parse_pack_header"; | |
2117 | ||
2118 | case 0: | |
2119 | return NULL; | |
2120 | } | |
fc04c412 SP |
2121 | } |
2122 | ||
576162a4 NP |
2123 | static const char *pack_lockfile; |
2124 | ||
22f9b7f3 | 2125 | static void push_header_arg(struct strvec *args, struct pack_header *hdr) |
446d5d91 | 2126 | { |
22f9b7f3 | 2127 | strvec_pushf(args, "--pack_header=%"PRIu32",%"PRIu32, |
f6d8942b | 2128 | ntohl(hdr->hdr_version), ntohl(hdr->hdr_entries)); |
446d5d91 JK |
2129 | } |
2130 | ||
5dbd7676 | 2131 | static const char *unpack(int err_fd, struct shallow_info *si) |
575f4974 | 2132 | { |
fc04c412 SP |
2133 | struct pack_header hdr; |
2134 | const char *hdr_err; | |
31c42bff | 2135 | int status; |
d3180279 | 2136 | struct child_process child = CHILD_PROCESS_INIT; |
dab76d3a JH |
2137 | int fsck_objects = (receive_fsck_objects >= 0 |
2138 | ? receive_fsck_objects | |
2139 | : transfer_fsck_objects >= 0 | |
2140 | ? transfer_fsck_objects | |
2141 | : 0); | |
fc04c412 SP |
2142 | |
2143 | hdr_err = parse_pack_header(&hdr); | |
49ecfa13 JK |
2144 | if (hdr_err) { |
2145 | if (err_fd > 0) | |
2146 | close(err_fd); | |
fc04c412 | 2147 | return hdr_err; |
49ecfa13 | 2148 | } |
fc04c412 | 2149 | |
5dbd7676 NTND |
2150 | if (si->nr_ours || si->nr_theirs) { |
2151 | alt_shallow_file = setup_temporary_shallow(si->shallow); | |
22f9b7f3 JK |
2152 | strvec_push(&child.args, "--shallow-file"); |
2153 | strvec_push(&child.args, alt_shallow_file); | |
5dbd7676 NTND |
2154 | } |
2155 | ||
722ff7f8 | 2156 | tmp_objdir = tmp_objdir_create(); |
6cdad1f1 JK |
2157 | if (!tmp_objdir) { |
2158 | if (err_fd > 0) | |
2159 | close(err_fd); | |
722ff7f8 | 2160 | return "unable to create temporary object directory"; |
6cdad1f1 | 2161 | } |
722ff7f8 JK |
2162 | child.env = tmp_objdir_env(tmp_objdir); |
2163 | ||
2164 | /* | |
2165 | * Normally we just pass the tmp_objdir environment to the child | |
2166 | * processes that do the heavy lifting, but we may need to see these | |
2167 | * objects ourselves to set up shallow information. | |
2168 | */ | |
2169 | tmp_objdir_add_as_alternate(tmp_objdir); | |
2170 | ||
fc04c412 | 2171 | if (ntohl(hdr.hdr_entries) < unpack_limit) { |
22f9b7f3 | 2172 | strvec_push(&child.args, "unpack-objects"); |
446d5d91 | 2173 | push_header_arg(&child.args, &hdr); |
c207e34f | 2174 | if (quiet) |
22f9b7f3 | 2175 | strvec_push(&child.args, "-q"); |
dab76d3a | 2176 | if (fsck_objects) |
22f9b7f3 | 2177 | strvec_pushf(&child.args, "--strict%s", |
f6d8942b | 2178 | fsck_msg_types.buf); |
c08db5a2 | 2179 | if (max_input_size) |
22f9b7f3 | 2180 | strvec_pushf(&child.args, "--max-input-size=%"PRIuMAX, |
f6d8942b | 2181 | (uintmax_t)max_input_size); |
59bfdfb8 | 2182 | child.no_stdout = 1; |
a22e6f85 | 2183 | child.err = err_fd; |
59bfdfb8 | 2184 | child.git_cmd = 1; |
31c42bff NTND |
2185 | status = run_command(&child); |
2186 | if (status) | |
2187 | return "unpack-objects abnormal exit"; | |
576162a4 | 2188 | } else { |
da25bdb7 | 2189 | char hostname[HOST_NAME_MAX + 1]; |
576162a4 | 2190 | |
22f9b7f3 | 2191 | strvec_pushl(&child.args, "index-pack", "--stdin", NULL); |
446d5d91 | 2192 | push_header_arg(&child.args, &hdr); |
b26cb7c7 | 2193 | |
5781a9a2 | 2194 | if (xgethostname(hostname, sizeof(hostname))) |
b26cb7c7 | 2195 | xsnprintf(hostname, sizeof(hostname), "localhost"); |
22f9b7f3 | 2196 | strvec_pushf(&child.args, |
f6d8942b JK |
2197 | "--keep=receive-pack %"PRIuMAX" on %s", |
2198 | (uintmax_t)getpid(), | |
2199 | hostname); | |
b26cb7c7 | 2200 | |
d06303bb | 2201 | if (!quiet && err_fd) |
22f9b7f3 | 2202 | strvec_push(&child.args, "--show-resolving-progress"); |
83558686 | 2203 | if (use_sideband) |
22f9b7f3 | 2204 | strvec_push(&child.args, "--report-end-of-input"); |
dab76d3a | 2205 | if (fsck_objects) |
22f9b7f3 | 2206 | strvec_pushf(&child.args, "--strict%s", |
f6d8942b | 2207 | fsck_msg_types.buf); |
1b68387e | 2208 | if (!reject_thin) |
22f9b7f3 | 2209 | strvec_push(&child.args, "--fix-thin"); |
c08db5a2 | 2210 | if (max_input_size) |
22f9b7f3 | 2211 | strvec_pushf(&child.args, "--max-input-size=%"PRIuMAX, |
f6d8942b | 2212 | (uintmax_t)max_input_size); |
31c42bff NTND |
2213 | child.out = -1; |
2214 | child.err = err_fd; | |
2215 | child.git_cmd = 1; | |
2216 | status = start_command(&child); | |
2217 | if (status) | |
576162a4 | 2218 | return "index-pack fork failed"; |
31c42bff NTND |
2219 | pack_lockfile = index_pack_lockfile(child.out); |
2220 | close(child.out); | |
2221 | status = finish_command(&child); | |
2222 | if (status) | |
2223 | return "index-pack abnormal exit"; | |
a49d2834 | 2224 | reprepare_packed_git(the_repository); |
cfee10a7 | 2225 | } |
31c42bff | 2226 | return NULL; |
cfee10a7 JH |
2227 | } |
2228 | ||
5dbd7676 | 2229 | static const char *unpack_with_sideband(struct shallow_info *si) |
a22e6f85 JK |
2230 | { |
2231 | struct async muxer; | |
2232 | const char *ret; | |
2233 | ||
2234 | if (!use_sideband) | |
5dbd7676 | 2235 | return unpack(0, si); |
a22e6f85 | 2236 | |
83558686 | 2237 | use_keepalive = KEEPALIVE_AFTER_NUL; |
a22e6f85 JK |
2238 | memset(&muxer, 0, sizeof(muxer)); |
2239 | muxer.proc = copy_to_sideband; | |
2240 | muxer.in = -1; | |
2241 | if (start_async(&muxer)) | |
2242 | return NULL; | |
2243 | ||
5dbd7676 | 2244 | ret = unpack(muxer.in, si); |
a22e6f85 JK |
2245 | |
2246 | finish_async(&muxer); | |
2247 | return ret; | |
2248 | } | |
2249 | ||
c95fc72f | 2250 | static void prepare_shallow_update(struct shallow_info *si) |
0a1bc12b | 2251 | { |
42c78a21 | 2252 | int i, j, k, bitmap_size = DIV_ROUND_UP(si->ref->nr, 32); |
0a1bc12b | 2253 | |
b32fa95f | 2254 | ALLOC_ARRAY(si->used_shallow, si->shallow->nr); |
0a1bc12b NTND |
2255 | assign_shallow_commits_to_refs(si, si->used_shallow, NULL); |
2256 | ||
2257 | si->need_reachability_test = | |
2258 | xcalloc(si->shallow->nr, sizeof(*si->need_reachability_test)); | |
2259 | si->reachable = | |
2260 | xcalloc(si->shallow->nr, sizeof(*si->reachable)); | |
2261 | si->shallow_ref = xcalloc(si->ref->nr, sizeof(*si->shallow_ref)); | |
2262 | ||
2263 | for (i = 0; i < si->nr_ours; i++) | |
2264 | si->need_reachability_test[si->ours[i]] = 1; | |
2265 | ||
2266 | for (i = 0; i < si->shallow->nr; i++) { | |
2267 | if (!si->used_shallow[i]) | |
2268 | continue; | |
2269 | for (j = 0; j < bitmap_size; j++) { | |
2270 | if (!si->used_shallow[i][j]) | |
2271 | continue; | |
2272 | si->need_reachability_test[i]++; | |
2273 | for (k = 0; k < 32; k++) | |
9a93c668 | 2274 | if (si->used_shallow[i][j] & (1U << k)) |
0a1bc12b NTND |
2275 | si->shallow_ref[j * 32 + k]++; |
2276 | } | |
2277 | ||
2278 | /* | |
2279 | * true for those associated with some refs and belong | |
2280 | * in "ours" list aka "step 7 not done yet" | |
2281 | */ | |
2282 | si->need_reachability_test[i] = | |
2283 | si->need_reachability_test[i] > 1; | |
2284 | } | |
2285 | ||
2286 | /* | |
2287 | * keep hooks happy by forcing a temporary shallow file via | |
2288 | * env variable because we can't add --shallow-file to every | |
7987d223 | 2289 | * command. check_connected() will be done with |
0a1bc12b NTND |
2290 | * true .git/shallow though. |
2291 | */ | |
2292 | setenv(GIT_SHALLOW_FILE_ENVIRONMENT, alt_shallow_file, 1); | |
2293 | } | |
2294 | ||
5dbd7676 NTND |
2295 | static void update_shallow_info(struct command *commands, |
2296 | struct shallow_info *si, | |
910650d2 | 2297 | struct oid_array *ref) |
5dbd7676 NTND |
2298 | { |
2299 | struct command *cmd; | |
2300 | int *ref_status; | |
2301 | remove_nonexistent_theirs_shallow(si); | |
0a1bc12b NTND |
2302 | if (!si->nr_ours && !si->nr_theirs) { |
2303 | shallow_update = 0; | |
5dbd7676 | 2304 | return; |
0a1bc12b | 2305 | } |
5dbd7676 NTND |
2306 | |
2307 | for (cmd = commands; cmd; cmd = cmd->next) { | |
9c44ea44 | 2308 | if (is_null_oid(&cmd->new_oid)) |
5dbd7676 | 2309 | continue; |
910650d2 | 2310 | oid_array_append(ref, &cmd->new_oid); |
5dbd7676 NTND |
2311 | cmd->index = ref->nr - 1; |
2312 | } | |
2313 | si->ref = ref; | |
2314 | ||
0a1bc12b | 2315 | if (shallow_update) { |
c95fc72f | 2316 | prepare_shallow_update(si); |
0a1bc12b NTND |
2317 | return; |
2318 | } | |
2319 | ||
b32fa95f | 2320 | ALLOC_ARRAY(ref_status, ref->nr); |
5dbd7676 NTND |
2321 | assign_shallow_commits_to_refs(si, NULL, ref_status); |
2322 | for (cmd = commands; cmd; cmd = cmd->next) { | |
9c44ea44 | 2323 | if (is_null_oid(&cmd->new_oid)) |
5dbd7676 NTND |
2324 | continue; |
2325 | if (ref_status[cmd->index]) { | |
2326 | cmd->error_string = "shallow update not allowed"; | |
2327 | cmd->skip_update = 1; | |
2328 | } | |
2329 | } | |
5dbd7676 NTND |
2330 | free(ref_status); |
2331 | } | |
2332 | ||
5e1c71fd | 2333 | static void report(struct command *commands, const char *unpack_status) |
cfee10a7 JH |
2334 | { |
2335 | struct command *cmd; | |
38a81b4e SP |
2336 | struct strbuf buf = STRBUF_INIT; |
2337 | ||
2338 | packet_buf_write(&buf, "unpack %s\n", | |
2339 | unpack_status ? unpack_status : "ok"); | |
cfee10a7 JH |
2340 | for (cmd = commands; cmd; cmd = cmd->next) { |
2341 | if (!cmd->error_string) | |
38a81b4e SP |
2342 | packet_buf_write(&buf, "ok %s\n", |
2343 | cmd->ref_name); | |
cfee10a7 | 2344 | else |
38a81b4e SP |
2345 | packet_buf_write(&buf, "ng %s %s\n", |
2346 | cmd->ref_name, cmd->error_string); | |
575f4974 | 2347 | } |
38a81b4e SP |
2348 | packet_buf_flush(&buf); |
2349 | ||
2350 | if (use_sideband) | |
2351 | send_sideband(1, 1, buf.buf, buf.len, use_sideband); | |
2352 | else | |
cdf4fb8e | 2353 | write_or_die(1, buf.buf, buf.len); |
38a81b4e | 2354 | strbuf_release(&buf); |
575f4974 LT |
2355 | } |
2356 | ||
63518a57 JX |
2357 | static void report_v2(struct command *commands, const char *unpack_status) |
2358 | { | |
2359 | struct command *cmd; | |
2360 | struct strbuf buf = STRBUF_INIT; | |
2361 | struct ref_push_report *report; | |
2362 | ||
2363 | packet_buf_write(&buf, "unpack %s\n", | |
2364 | unpack_status ? unpack_status : "ok"); | |
2365 | for (cmd = commands; cmd; cmd = cmd->next) { | |
2366 | int count = 0; | |
2367 | ||
2368 | if (cmd->error_string) { | |
2369 | packet_buf_write(&buf, "ng %s %s\n", | |
2370 | cmd->ref_name, | |
2371 | cmd->error_string); | |
2372 | continue; | |
2373 | } | |
2374 | packet_buf_write(&buf, "ok %s\n", | |
2375 | cmd->ref_name); | |
2376 | for (report = cmd->report; report; report = report->next) { | |
2377 | if (count++ > 0) | |
2378 | packet_buf_write(&buf, "ok %s\n", | |
2379 | cmd->ref_name); | |
2380 | if (report->ref_name) | |
2381 | packet_buf_write(&buf, "option refname %s\n", | |
2382 | report->ref_name); | |
2383 | if (report->old_oid) | |
2384 | packet_buf_write(&buf, "option old-oid %s\n", | |
2385 | oid_to_hex(report->old_oid)); | |
2386 | if (report->new_oid) | |
2387 | packet_buf_write(&buf, "option new-oid %s\n", | |
2388 | oid_to_hex(report->new_oid)); | |
2389 | if (report->forced_update) | |
2390 | packet_buf_write(&buf, "option forced-update\n"); | |
2391 | } | |
2392 | } | |
2393 | packet_buf_flush(&buf); | |
2394 | ||
2395 | if (use_sideband) | |
2396 | send_sideband(1, 1, buf.buf, buf.len, use_sideband); | |
2397 | else | |
2398 | write_or_die(1, buf.buf, buf.len); | |
2399 | strbuf_release(&buf); | |
2400 | } | |
2401 | ||
5e1c71fd | 2402 | static int delete_only(struct command *commands) |
d4f694ba | 2403 | { |
5e1c71fd JS |
2404 | struct command *cmd; |
2405 | for (cmd = commands; cmd; cmd = cmd->next) { | |
9c44ea44 | 2406 | if (!is_null_oid(&cmd->new_oid)) |
d4f694ba | 2407 | return 0; |
d4f694ba JH |
2408 | } |
2409 | return 1; | |
2410 | } | |
2411 | ||
be5908ae | 2412 | int cmd_receive_pack(int argc, const char **argv, const char *prefix) |
575f4974 | 2413 | { |
42526b47 | 2414 | int advertise_refs = 0; |
5e1c71fd | 2415 | struct command *commands; |
910650d2 | 2416 | struct oid_array shallow = OID_ARRAY_INIT; |
2417 | struct oid_array ref = OID_ARRAY_INIT; | |
5dbd7676 | 2418 | struct shallow_info si; |
01f9ec64 | 2419 | struct packet_reader reader; |
575f4974 | 2420 | |
1b68387e SS |
2421 | struct option options[] = { |
2422 | OPT__QUIET(&quiet, N_("quiet")), | |
2423 | OPT_HIDDEN_BOOL(0, "stateless-rpc", &stateless_rpc, NULL), | |
2424 | OPT_HIDDEN_BOOL(0, "advertise-refs", &advertise_refs, NULL), | |
2425 | OPT_HIDDEN_BOOL(0, "reject-thin-pack-for-testing", &reject_thin, NULL), | |
2426 | OPT_END() | |
2427 | }; | |
bbc30f99 | 2428 | |
1b68387e | 2429 | packet_trace_identity("receive-pack"); |
575f4974 | 2430 | |
1b68387e | 2431 | argc = parse_options(argc, argv, prefix, options, receive_pack_usage, 0); |
c207e34f | 2432 | |
1b68387e SS |
2433 | if (argc > 1) |
2434 | usage_msg_opt(_("Too many arguments."), receive_pack_usage, options); | |
2435 | if (argc == 0) | |
2436 | usage_msg_opt(_("You must specify a directory."), receive_pack_usage, options); | |
42526b47 | 2437 | |
1b68387e | 2438 | service_dir = argv[0]; |
575f4974 | 2439 | |
e1464ca7 | 2440 | setup_path(); |
5c09f321 | 2441 | |
5732373d JH |
2442 | if (!enter_repo(service_dir, 0)) |
2443 | die("'%s' does not appear to be a git repository", service_dir); | |
575f4974 | 2444 | |
ef90d6d4 | 2445 | git_config(receive_pack_config, NULL); |
b89363e4 | 2446 | if (cert_nonce_seed) |
5732373d | 2447 | push_cert_nonce = prepare_push_cert_nonce(service_dir, time(NULL)); |
6fb75bed | 2448 | |
e28714c5 JH |
2449 | if (0 <= transfer_unpack_limit) |
2450 | unpack_limit = transfer_unpack_limit; | |
2451 | else if (0 <= receive_unpack_limit) | |
2452 | unpack_limit = receive_unpack_limit; | |
2453 | ||
aa9bab29 | 2454 | switch (determine_protocol_version_server()) { |
8f6982b4 BW |
2455 | case protocol_v2: |
2456 | /* | |
2457 | * push support for protocol v2 has not been implemented yet, | |
2458 | * so ignore the request to use v2 and fallback to using v0. | |
2459 | */ | |
2460 | break; | |
aa9bab29 BW |
2461 | case protocol_v1: |
2462 | /* | |
2463 | * v1 is just the original protocol with a version string, | |
2464 | * so just fall through after writing the version string. | |
2465 | */ | |
2466 | if (advertise_refs || !stateless_rpc) | |
2467 | packet_write_fmt(1, "version 1\n"); | |
2468 | ||
2469 | /* fallthrough */ | |
2470 | case protocol_v0: | |
2471 | break; | |
2472 | case protocol_unknown_version: | |
2473 | BUG("unknown protocol version"); | |
2474 | } | |
2475 | ||
42526b47 | 2476 | if (advertise_refs || !stateless_rpc) { |
42526b47 | 2477 | write_head_info(); |
42526b47 SP |
2478 | } |
2479 | if (advertise_refs) | |
2480 | return 0; | |
575f4974 | 2481 | |
2d103c31 MS |
2482 | packet_reader_init(&reader, 0, NULL, 0, |
2483 | PACKET_READ_CHOMP_NEWLINE | | |
2484 | PACKET_READ_DIE_ON_ERR_PACKET); | |
01f9ec64 MS |
2485 | |
2486 | if ((commands = read_head_info(&reader, &shallow)) != NULL) { | |
d4f694ba | 2487 | const char *unpack_status = NULL; |
77a9745d | 2488 | struct string_list push_options = STRING_LIST_INIT_DUP; |
d4f694ba | 2489 | |
c714e45f | 2490 | if (use_push_options) |
01f9ec64 | 2491 | read_push_options(&reader, &push_options); |
cbaf82cc JT |
2492 | if (!check_cert_push_options(&push_options)) { |
2493 | struct command *cmd; | |
2494 | for (cmd = commands; cmd; cmd = cmd->next) | |
2495 | cmd->error_string = "inconsistent push options"; | |
2496 | } | |
c714e45f | 2497 | |
5dbd7676 | 2498 | prepare_shallow_info(&si, &shallow); |
0a1bc12b NTND |
2499 | if (!si.nr_ours && !si.nr_theirs) |
2500 | shallow_update = 0; | |
5dbd7676 NTND |
2501 | if (!delete_only(commands)) { |
2502 | unpack_status = unpack_with_sideband(&si); | |
2503 | update_shallow_info(commands, &si, &ref); | |
2504 | } | |
83558686 | 2505 | use_keepalive = KEEPALIVE_ALWAYS; |
77a9745d SB |
2506 | execute_commands(commands, unpack_status, &si, |
2507 | &push_options); | |
576162a4 | 2508 | if (pack_lockfile) |
691f1a28 | 2509 | unlink_or_warn(pack_lockfile); |
63518a57 JX |
2510 | if (report_status_v2) |
2511 | report_v2(commands, unpack_status); | |
2512 | else if (report_status) | |
5e1c71fd | 2513 | report(commands, unpack_status); |
77a9745d SB |
2514 | run_receive_hook(commands, "post-receive", 1, |
2515 | &push_options); | |
8e663d9e | 2516 | run_update_post_hook(commands); |
4432dd6b | 2517 | string_list_clear(&push_options, 0); |
77e3efbf JH |
2518 | if (auto_gc) { |
2519 | const char *argv_gc_auto[] = { | |
2520 | "gc", "--auto", "--quiet", NULL, | |
2521 | }; | |
860a2ebe LF |
2522 | struct child_process proc = CHILD_PROCESS_INIT; |
2523 | ||
2524 | proc.no_stdin = 1; | |
2525 | proc.stdout_to_stderr = 1; | |
2526 | proc.err = use_sideband ? -1 : 0; | |
2527 | proc.git_cmd = 1; | |
2528 | proc.argv = argv_gc_auto; | |
2529 | ||
2d511cfc | 2530 | close_object_store(the_repository->objects); |
860a2ebe LF |
2531 | if (!start_command(&proc)) { |
2532 | if (use_sideband) | |
2533 | copy_to_sideband(proc.err, -1, NULL); | |
2534 | finish_command(&proc); | |
2535 | } | |
77e3efbf JH |
2536 | } |
2537 | if (auto_update_server_info) | |
2538 | update_server_info(0); | |
5dbd7676 | 2539 | clear_shallow_info(&si); |
7f8e9828 | 2540 | } |
38a81b4e SP |
2541 | if (use_sideband) |
2542 | packet_flush(1); | |
910650d2 | 2543 | oid_array_clear(&shallow); |
2544 | oid_array_clear(&ref); | |
b89363e4 | 2545 | free((void *)push_cert_nonce); |
575f4974 LT |
2546 | return 0; |
2547 | } |