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Commit | Line | Data |
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1e4cd68c | 1 | #include "builtin.h" |
b2141fc1 | 2 | #include "config.h" |
697cc8ef | 3 | #include "lockfile.h" |
fc04c412 | 4 | #include "pack.h" |
8a65ff76 | 5 | #include "refs.h" |
f3a3214e | 6 | #include "pkt-line.h" |
38a81b4e | 7 | #include "sideband.h" |
b1bf95bb | 8 | #include "run-command.h" |
576162a4 | 9 | #include "exec_cmd.h" |
11031d7e JS |
10 | #include "commit.h" |
11 | #include "object.h" | |
d79796bc | 12 | #include "remote.h" |
47a59185 | 13 | #include "connect.h" |
d79796bc | 14 | #include "transport.h" |
da3efdb1 | 15 | #include "string-list.h" |
cff38a5e | 16 | #include "sha1-array.h" |
52fed6e1 | 17 | #include "connected.h" |
31c42bff | 18 | #include "argv-array.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" |
aa9bab29 | 27 | #include "protocol.h" |
575f4974 | 28 | |
1b68387e SS |
29 | static const char * const receive_pack_usage[] = { |
30 | N_("git receive-pack <git-dir>"), | |
31 | NULL | |
32 | }; | |
575f4974 | 33 | |
986e8239 | 34 | enum deny_action { |
3d95d92b | 35 | DENY_UNCONFIGURED, |
986e8239 JK |
36 | DENY_IGNORE, |
37 | DENY_WARN, | |
1404bcbb JS |
38 | DENY_REFUSE, |
39 | DENY_UPDATE_INSTEAD | |
986e8239 JK |
40 | }; |
41 | ||
1b53a076 JH |
42 | static int deny_deletes; |
43 | static int deny_non_fast_forwards; | |
3d95d92b | 44 | static enum deny_action deny_current_branch = DENY_UNCONFIGURED; |
747ca245 | 45 | static enum deny_action deny_delete_current = DENY_UNCONFIGURED; |
dab76d3a JH |
46 | static int receive_fsck_objects = -1; |
47 | static int transfer_fsck_objects = -1; | |
5d477a33 | 48 | static struct strbuf fsck_msg_types = STRBUF_INIT; |
e28714c5 JH |
49 | static int receive_unpack_limit = -1; |
50 | static int transfer_unpack_limit = -1; | |
1b70fe5d | 51 | static int advertise_atomic_push = 1; |
c714e45f | 52 | static int advertise_push_options; |
46732fae | 53 | static int unpack_limit = 100; |
c08db5a2 | 54 | static off_t max_input_size; |
96f1e58f | 55 | static int report_status; |
38a81b4e | 56 | static int use_sideband; |
68deed29 | 57 | static int use_atomic; |
c714e45f | 58 | static int use_push_options; |
c207e34f | 59 | static int quiet; |
b74fce16 | 60 | static int prefer_ofs_delta = 1; |
77e3efbf JH |
61 | static int auto_update_server_info; |
62 | static int auto_gc = 1; | |
1b68387e | 63 | static int reject_thin; |
5732373d JH |
64 | static int stateless_rpc; |
65 | static const char *service_dir; | |
747ca245 | 66 | static const char *head_name; |
96ec7b1e | 67 | static void *head_name_to_free; |
185c04e0 | 68 | static int sent_capabilities; |
0a1bc12b | 69 | static int shallow_update; |
5dbd7676 | 70 | static const char *alt_shallow_file; |
a85b377d JH |
71 | static struct strbuf push_cert = STRBUF_INIT; |
72 | static unsigned char push_cert_sha1[20]; | |
d05b9618 | 73 | static struct signature_check sigcheck; |
b89363e4 JH |
74 | static const char *push_cert_nonce; |
75 | static const char *cert_nonce_seed; | |
76 | ||
77 | static const char *NONCE_UNSOLICITED = "UNSOLICITED"; | |
78 | static const char *NONCE_BAD = "BAD"; | |
79 | static const char *NONCE_MISSING = "MISSING"; | |
80 | static const char *NONCE_OK = "OK"; | |
5732373d | 81 | static const char *NONCE_SLOP = "SLOP"; |
b89363e4 | 82 | static const char *nonce_status; |
5732373d | 83 | static long nonce_stamp_slop; |
dddbad72 | 84 | static timestamp_t nonce_stamp_slop_limit; |
222368c6 | 85 | static struct ref_transaction *transaction; |
cfee10a7 | 86 | |
83558686 JK |
87 | static enum { |
88 | KEEPALIVE_NEVER = 0, | |
89 | KEEPALIVE_AFTER_NUL, | |
90 | KEEPALIVE_ALWAYS | |
91 | } use_keepalive; | |
92 | static int keepalive_in_sec = 5; | |
93 | ||
722ff7f8 JK |
94 | static struct tmp_objdir *tmp_objdir; |
95 | ||
986e8239 JK |
96 | static enum deny_action parse_deny_action(const char *var, const char *value) |
97 | { | |
98 | if (value) { | |
99 | if (!strcasecmp(value, "ignore")) | |
100 | return DENY_IGNORE; | |
101 | if (!strcasecmp(value, "warn")) | |
102 | return DENY_WARN; | |
103 | if (!strcasecmp(value, "refuse")) | |
104 | return DENY_REFUSE; | |
1404bcbb JS |
105 | if (!strcasecmp(value, "updateinstead")) |
106 | return DENY_UPDATE_INSTEAD; | |
986e8239 JK |
107 | } |
108 | if (git_config_bool(var, value)) | |
109 | return DENY_REFUSE; | |
110 | return DENY_IGNORE; | |
111 | } | |
112 | ||
ef90d6d4 | 113 | static int receive_pack_config(const char *var, const char *value, void *cb) |
6fb75bed | 114 | { |
daebaa78 JH |
115 | int status = parse_hide_refs_config(var, value, "receive"); |
116 | ||
117 | if (status) | |
118 | return status; | |
119 | ||
a240de11 JK |
120 | if (strcmp(var, "receive.denydeletes") == 0) { |
121 | deny_deletes = git_config_bool(var, value); | |
122 | return 0; | |
123 | } | |
124 | ||
e28714c5 | 125 | if (strcmp(var, "receive.denynonfastforwards") == 0) { |
6fb75bed SP |
126 | deny_non_fast_forwards = git_config_bool(var, value); |
127 | return 0; | |
128 | } | |
129 | ||
e28714c5 JH |
130 | if (strcmp(var, "receive.unpacklimit") == 0) { |
131 | receive_unpack_limit = git_config_int(var, value); | |
fc04c412 SP |
132 | return 0; |
133 | } | |
134 | ||
e28714c5 JH |
135 | if (strcmp(var, "transfer.unpacklimit") == 0) { |
136 | transfer_unpack_limit = git_config_int(var, value); | |
137 | return 0; | |
138 | } | |
139 | ||
cd94c6f9 JS |
140 | if (strcmp(var, "receive.fsck.skiplist") == 0) { |
141 | const char *path; | |
142 | ||
143 | if (git_config_pathname(&path, var, value)) | |
144 | return 1; | |
145 | strbuf_addf(&fsck_msg_types, "%cskiplist=%s", | |
146 | fsck_msg_types.len ? ',' : '=', path); | |
147 | free((char *)path); | |
148 | return 0; | |
149 | } | |
150 | ||
5d477a33 JS |
151 | if (skip_prefix(var, "receive.fsck.", &var)) { |
152 | if (is_valid_msg_type(var, value)) | |
153 | strbuf_addf(&fsck_msg_types, "%c%s=%s", | |
154 | fsck_msg_types.len ? ',' : '=', var, value); | |
155 | else | |
156 | warning("Skipping unknown msg id '%s'", var); | |
157 | return 0; | |
158 | } | |
159 | ||
20dc0016 MK |
160 | if (strcmp(var, "receive.fsckobjects") == 0) { |
161 | receive_fsck_objects = git_config_bool(var, value); | |
162 | return 0; | |
163 | } | |
164 | ||
dab76d3a JH |
165 | if (strcmp(var, "transfer.fsckobjects") == 0) { |
166 | transfer_fsck_objects = git_config_bool(var, value); | |
167 | return 0; | |
168 | } | |
169 | ||
986e8239 JK |
170 | if (!strcmp(var, "receive.denycurrentbranch")) { |
171 | deny_current_branch = parse_deny_action(var, value); | |
172 | return 0; | |
173 | } | |
174 | ||
747ca245 JH |
175 | if (strcmp(var, "receive.denydeletecurrent") == 0) { |
176 | deny_delete_current = parse_deny_action(var, value); | |
177 | return 0; | |
178 | } | |
179 | ||
b74fce16 NP |
180 | if (strcmp(var, "repack.usedeltabaseoffset") == 0) { |
181 | prefer_ofs_delta = git_config_bool(var, value); | |
182 | return 0; | |
183 | } | |
184 | ||
77e3efbf JH |
185 | if (strcmp(var, "receive.updateserverinfo") == 0) { |
186 | auto_update_server_info = git_config_bool(var, value); | |
187 | return 0; | |
188 | } | |
189 | ||
190 | if (strcmp(var, "receive.autogc") == 0) { | |
191 | auto_gc = git_config_bool(var, value); | |
192 | return 0; | |
193 | } | |
194 | ||
0a1bc12b NTND |
195 | if (strcmp(var, "receive.shallowupdate") == 0) { |
196 | shallow_update = git_config_bool(var, value); | |
197 | return 0; | |
198 | } | |
199 | ||
b89363e4 JH |
200 | if (strcmp(var, "receive.certnonceseed") == 0) |
201 | return git_config_string(&cert_nonce_seed, var, value); | |
a85b377d | 202 | |
5732373d JH |
203 | if (strcmp(var, "receive.certnonceslop") == 0) { |
204 | nonce_stamp_slop_limit = git_config_ulong(var, value); | |
205 | return 0; | |
206 | } | |
207 | ||
1b70fe5d RS |
208 | if (strcmp(var, "receive.advertiseatomic") == 0) { |
209 | advertise_atomic_push = git_config_bool(var, value); | |
210 | return 0; | |
211 | } | |
212 | ||
c714e45f SB |
213 | if (strcmp(var, "receive.advertisepushoptions") == 0) { |
214 | advertise_push_options = git_config_bool(var, value); | |
215 | return 0; | |
216 | } | |
217 | ||
83558686 JK |
218 | if (strcmp(var, "receive.keepalive") == 0) { |
219 | keepalive_in_sec = git_config_int(var, value); | |
220 | return 0; | |
221 | } | |
222 | ||
c08db5a2 JK |
223 | if (strcmp(var, "receive.maxinputsize") == 0) { |
224 | max_input_size = git_config_int64(var, value); | |
225 | return 0; | |
226 | } | |
227 | ||
ef90d6d4 | 228 | return git_default_config(var, value, cb); |
6fb75bed SP |
229 | } |
230 | ||
1b7ba794 | 231 | static void show_ref(const char *path, const struct object_id *oid) |
575f4974 | 232 | { |
52d2ae58 | 233 | if (sent_capabilities) { |
1b7ba794 | 234 | packet_write_fmt(1, "%s %s\n", oid_to_hex(oid), path); |
52d2ae58 JH |
235 | } else { |
236 | struct strbuf cap = STRBUF_INIT; | |
237 | ||
238 | strbuf_addstr(&cap, | |
239 | "report-status delete-refs side-band-64k quiet"); | |
1b70fe5d RS |
240 | if (advertise_atomic_push) |
241 | strbuf_addstr(&cap, " atomic"); | |
52d2ae58 JH |
242 | if (prefer_ofs_delta) |
243 | strbuf_addstr(&cap, " ofs-delta"); | |
b89363e4 JH |
244 | if (push_cert_nonce) |
245 | strbuf_addf(&cap, " push-cert=%s", push_cert_nonce); | |
c714e45f SB |
246 | if (advertise_push_options) |
247 | strbuf_addstr(&cap, " push-options"); | |
52d2ae58 | 248 | strbuf_addf(&cap, " agent=%s", git_user_agent_sanitized()); |
81c634e9 | 249 | packet_write_fmt(1, "%s %s%c%s\n", |
1b7ba794 | 250 | oid_to_hex(oid), path, 0, cap.buf); |
52d2ae58 JH |
251 | strbuf_release(&cap); |
252 | sent_capabilities = 1; | |
253 | } | |
575f4974 LT |
254 | } |
255 | ||
78a766ab | 256 | static int show_ref_cb(const char *path_full, const struct object_id *oid, |
8b24b9e7 | 257 | int flag, void *data) |
6b01ecfe | 258 | { |
8b24b9e7 | 259 | struct oidset *seen = data; |
78a766ab LF |
260 | const char *path = strip_namespace(path_full); |
261 | ||
262 | if (ref_is_hidden(path, path_full)) | |
263 | return 0; | |
264 | ||
6b01ecfe JT |
265 | /* |
266 | * Advertise refs outside our current namespace as ".have" | |
267 | * refs, so that the client can use them to minimize data | |
fea6c47f | 268 | * transfer but will otherwise ignore them. |
6b01ecfe | 269 | */ |
8b24b9e7 JK |
270 | if (!path) { |
271 | if (oidset_insert(seen, oid)) | |
272 | return 0; | |
6b01ecfe | 273 | path = ".have"; |
63d428e6 JK |
274 | } else { |
275 | oidset_insert(seen, oid); | |
8b24b9e7 | 276 | } |
1b7ba794 | 277 | show_ref(path, oid); |
bc98201d | 278 | return 0; |
6b01ecfe JT |
279 | } |
280 | ||
ab6eea6f JK |
281 | static void show_one_alternate_ref(const char *refname, |
282 | const struct object_id *oid, | |
283 | void *data) | |
b7a025d9 | 284 | { |
ab6eea6f | 285 | struct oidset *seen = data; |
b7a025d9 | 286 | |
ab6eea6f JK |
287 | if (oidset_insert(seen, oid)) |
288 | return; | |
289 | ||
1b7ba794 | 290 | show_ref(".have", oid); |
6b01ecfe JT |
291 | } |
292 | ||
8a65ff76 | 293 | static void write_head_info(void) |
575f4974 | 294 | { |
ab6eea6f | 295 | static struct oidset seen = OIDSET_INIT; |
2b2a5be3 | 296 | |
63d428e6 | 297 | for_each_ref(show_ref_cb, &seen); |
ab6eea6f JK |
298 | for_each_alternate_ref(show_one_alternate_ref, &seen); |
299 | oidset_clear(&seen); | |
185c04e0 | 300 | if (!sent_capabilities) |
1b7ba794 | 301 | show_ref("capabilities^{}", &null_oid); |
cfee10a7 | 302 | |
ad491366 NTND |
303 | advertise_shallow_grafts(1); |
304 | ||
b7a025d9 MH |
305 | /* EOF */ |
306 | packet_flush(1); | |
575f4974 LT |
307 | } |
308 | ||
eb1af2df LT |
309 | struct command { |
310 | struct command *next; | |
cfee10a7 | 311 | const char *error_string; |
160b81ed PYH |
312 | unsigned int skip_update:1, |
313 | did_not_exist:1; | |
5dbd7676 | 314 | int index; |
9c44ea44 | 315 | struct object_id old_oid; |
316 | struct object_id new_oid; | |
8f1d2e6f | 317 | char ref_name[FLEX_ARRAY]; /* more */ |
575f4974 LT |
318 | }; |
319 | ||
466dbc42 SP |
320 | static void rp_error(const char *err, ...) __attribute__((format (printf, 1, 2))); |
321 | static void rp_warning(const char *err, ...) __attribute__((format (printf, 1, 2))); | |
322 | ||
323 | static void report_message(const char *prefix, const char *err, va_list params) | |
324 | { | |
b7115a35 | 325 | int sz; |
466dbc42 SP |
326 | char msg[4096]; |
327 | ||
b7115a35 | 328 | sz = xsnprintf(msg, sizeof(msg), "%s", prefix); |
466dbc42 SP |
329 | sz += vsnprintf(msg + sz, sizeof(msg) - sz, err, params); |
330 | if (sz > (sizeof(msg) - 1)) | |
331 | sz = sizeof(msg) - 1; | |
332 | msg[sz++] = '\n'; | |
333 | ||
334 | if (use_sideband) | |
335 | send_sideband(1, 2, msg, sz, use_sideband); | |
336 | else | |
337 | xwrite(2, msg, sz); | |
338 | } | |
339 | ||
340 | static void rp_warning(const char *err, ...) | |
341 | { | |
342 | va_list params; | |
343 | va_start(params, err); | |
344 | report_message("warning: ", err, params); | |
345 | va_end(params); | |
346 | } | |
347 | ||
348 | static void rp_error(const char *err, ...) | |
349 | { | |
350 | va_list params; | |
351 | va_start(params, err); | |
352 | report_message("error: ", err, params); | |
353 | va_end(params); | |
354 | } | |
355 | ||
6d525d38 SP |
356 | static int copy_to_sideband(int in, int out, void *arg) |
357 | { | |
358 | char data[128]; | |
83558686 JK |
359 | int keepalive_active = 0; |
360 | ||
361 | if (keepalive_in_sec <= 0) | |
362 | use_keepalive = KEEPALIVE_NEVER; | |
363 | if (use_keepalive == KEEPALIVE_ALWAYS) | |
364 | keepalive_active = 1; | |
365 | ||
6d525d38 | 366 | while (1) { |
83558686 JK |
367 | ssize_t sz; |
368 | ||
369 | if (keepalive_active) { | |
370 | struct pollfd pfd; | |
371 | int ret; | |
372 | ||
373 | pfd.fd = in; | |
374 | pfd.events = POLLIN; | |
375 | ret = poll(&pfd, 1, 1000 * keepalive_in_sec); | |
376 | ||
377 | if (ret < 0) { | |
378 | if (errno == EINTR) | |
379 | continue; | |
380 | else | |
381 | break; | |
382 | } else if (ret == 0) { | |
383 | /* no data; send a keepalive packet */ | |
384 | static const char buf[] = "0005\1"; | |
385 | write_or_die(1, buf, sizeof(buf) - 1); | |
386 | continue; | |
387 | } /* else there is actual data to read */ | |
388 | } | |
389 | ||
390 | sz = xread(in, data, sizeof(data)); | |
6d525d38 SP |
391 | if (sz <= 0) |
392 | break; | |
83558686 JK |
393 | |
394 | if (use_keepalive == KEEPALIVE_AFTER_NUL && !keepalive_active) { | |
395 | const char *p = memchr(data, '\0', sz); | |
396 | if (p) { | |
397 | /* | |
398 | * The NUL tells us to start sending keepalives. Make | |
399 | * sure we send any other data we read along | |
400 | * with it. | |
401 | */ | |
402 | keepalive_active = 1; | |
403 | send_sideband(1, 2, data, p - data, use_sideband); | |
404 | send_sideband(1, 2, p + 1, sz - (p - data + 1), use_sideband); | |
405 | continue; | |
406 | } | |
407 | } | |
408 | ||
409 | /* | |
410 | * Either we're not looking for a NUL signal, or we didn't see | |
411 | * it yet; just pass along the data. | |
412 | */ | |
6d525d38 SP |
413 | send_sideband(1, 2, data, sz, use_sideband); |
414 | } | |
415 | close(in); | |
416 | return 0; | |
417 | } | |
418 | ||
b89363e4 JH |
419 | #define HMAC_BLOCK_SIZE 64 |
420 | ||
6f5ef44e | 421 | static void hmac_sha1(unsigned char *out, |
b89363e4 JH |
422 | const char *key_in, size_t key_len, |
423 | const char *text, size_t text_len) | |
424 | { | |
425 | unsigned char key[HMAC_BLOCK_SIZE]; | |
426 | unsigned char k_ipad[HMAC_BLOCK_SIZE]; | |
427 | unsigned char k_opad[HMAC_BLOCK_SIZE]; | |
428 | int i; | |
429 | git_SHA_CTX ctx; | |
430 | ||
431 | /* RFC 2104 2. (1) */ | |
432 | memset(key, '\0', HMAC_BLOCK_SIZE); | |
433 | if (HMAC_BLOCK_SIZE < key_len) { | |
434 | git_SHA1_Init(&ctx); | |
435 | git_SHA1_Update(&ctx, key_in, key_len); | |
436 | git_SHA1_Final(key, &ctx); | |
437 | } else { | |
438 | memcpy(key, key_in, key_len); | |
439 | } | |
440 | ||
441 | /* RFC 2104 2. (2) & (5) */ | |
442 | for (i = 0; i < sizeof(key); i++) { | |
443 | k_ipad[i] = key[i] ^ 0x36; | |
444 | k_opad[i] = key[i] ^ 0x5c; | |
445 | } | |
446 | ||
447 | /* RFC 2104 2. (3) & (4) */ | |
448 | git_SHA1_Init(&ctx); | |
449 | git_SHA1_Update(&ctx, k_ipad, sizeof(k_ipad)); | |
450 | git_SHA1_Update(&ctx, text, text_len); | |
451 | git_SHA1_Final(out, &ctx); | |
452 | ||
453 | /* RFC 2104 2. (6) & (7) */ | |
454 | git_SHA1_Init(&ctx); | |
455 | git_SHA1_Update(&ctx, k_opad, sizeof(k_opad)); | |
6f5ef44e | 456 | git_SHA1_Update(&ctx, out, 20); |
b89363e4 JH |
457 | git_SHA1_Final(out, &ctx); |
458 | } | |
459 | ||
dddbad72 | 460 | static char *prepare_push_cert_nonce(const char *path, timestamp_t stamp) |
b89363e4 JH |
461 | { |
462 | struct strbuf buf = STRBUF_INIT; | |
463 | unsigned char sha1[20]; | |
464 | ||
cb71f8bd | 465 | strbuf_addf(&buf, "%s:%"PRItime, path, stamp); |
b89363e4 JH |
466 | hmac_sha1(sha1, buf.buf, buf.len, cert_nonce_seed, strlen(cert_nonce_seed));; |
467 | strbuf_release(&buf); | |
468 | ||
469 | /* RFC 2104 5. HMAC-SHA1-80 */ | |
cb71f8bd | 470 | strbuf_addf(&buf, "%"PRItime"-%.*s", stamp, 20, sha1_to_hex(sha1)); |
b89363e4 JH |
471 | return strbuf_detach(&buf, NULL); |
472 | } | |
473 | ||
474 | /* | |
475 | * NEEDSWORK: reuse find_commit_header() from jk/commit-author-parsing | |
476 | * after dropping "_commit" from its name and possibly moving it out | |
477 | * of commit.c | |
478 | */ | |
cbaf82cc JT |
479 | static char *find_header(const char *msg, size_t len, const char *key, |
480 | const char **next_line) | |
b89363e4 JH |
481 | { |
482 | int key_len = strlen(key); | |
483 | const char *line = msg; | |
484 | ||
485 | while (line && line < msg + len) { | |
486 | const char *eol = strchrnul(line, '\n'); | |
487 | ||
488 | if ((msg + len <= eol) || line == eol) | |
489 | return NULL; | |
490 | if (line + key_len < eol && | |
491 | !memcmp(line, key, key_len) && line[key_len] == ' ') { | |
492 | int offset = key_len + 1; | |
cbaf82cc JT |
493 | if (next_line) |
494 | *next_line = *eol ? eol + 1 : eol; | |
b89363e4 JH |
495 | return xmemdupz(line + offset, (eol - line) - offset); |
496 | } | |
497 | line = *eol ? eol + 1 : NULL; | |
498 | } | |
499 | return NULL; | |
500 | } | |
501 | ||
502 | static const char *check_nonce(const char *buf, size_t len) | |
503 | { | |
cbaf82cc | 504 | char *nonce = find_header(buf, len, "nonce", NULL); |
dddbad72 | 505 | timestamp_t stamp, ostamp; |
5732373d | 506 | char *bohmac, *expect = NULL; |
b89363e4 JH |
507 | const char *retval = NONCE_BAD; |
508 | ||
509 | if (!nonce) { | |
510 | retval = NONCE_MISSING; | |
511 | goto leave; | |
512 | } else if (!push_cert_nonce) { | |
513 | retval = NONCE_UNSOLICITED; | |
514 | goto leave; | |
515 | } else if (!strcmp(push_cert_nonce, nonce)) { | |
516 | retval = NONCE_OK; | |
517 | goto leave; | |
518 | } | |
519 | ||
5732373d JH |
520 | if (!stateless_rpc) { |
521 | /* returned nonce MUST match what we gave out earlier */ | |
522 | retval = NONCE_BAD; | |
523 | goto leave; | |
524 | } | |
525 | ||
526 | /* | |
527 | * In stateless mode, we may be receiving a nonce issued by | |
528 | * another instance of the server that serving the same | |
529 | * repository, and the timestamps may not match, but the | |
530 | * nonce-seed and dir should match, so we can recompute and | |
531 | * report the time slop. | |
532 | * | |
533 | * In addition, when a nonce issued by another instance has | |
534 | * timestamp within receive.certnonceslop seconds, we pretend | |
535 | * as if we issued that nonce when reporting to the hook. | |
536 | */ | |
537 | ||
538 | /* nonce is concat(<seconds-since-epoch>, "-", <hmac>) */ | |
539 | if (*nonce <= '0' || '9' < *nonce) { | |
540 | retval = NONCE_BAD; | |
541 | goto leave; | |
542 | } | |
1aeb7e75 | 543 | stamp = parse_timestamp(nonce, &bohmac, 10); |
5732373d JH |
544 | if (bohmac == nonce || bohmac[0] != '-') { |
545 | retval = NONCE_BAD; | |
546 | goto leave; | |
547 | } | |
548 | ||
549 | expect = prepare_push_cert_nonce(service_dir, stamp); | |
550 | if (strcmp(expect, nonce)) { | |
551 | /* Not what we would have signed earlier */ | |
552 | retval = NONCE_BAD; | |
553 | goto leave; | |
554 | } | |
555 | ||
556 | /* | |
557 | * By how many seconds is this nonce stale? Negative value | |
558 | * would mean it was issued by another server with its clock | |
559 | * skewed in the future. | |
560 | */ | |
1aeb7e75 | 561 | ostamp = parse_timestamp(push_cert_nonce, NULL, 10); |
5732373d JH |
562 | nonce_stamp_slop = (long)ostamp - (long)stamp; |
563 | ||
564 | if (nonce_stamp_slop_limit && | |
31a8aa1e | 565 | labs(nonce_stamp_slop) <= nonce_stamp_slop_limit) { |
5732373d JH |
566 | /* |
567 | * Pretend as if the received nonce (which passes the | |
568 | * HMAC check, so it is not a forged by third-party) | |
569 | * is what we issued. | |
570 | */ | |
571 | free((void *)push_cert_nonce); | |
572 | push_cert_nonce = xstrdup(nonce); | |
573 | retval = NONCE_OK; | |
574 | } else { | |
575 | retval = NONCE_SLOP; | |
576 | } | |
b89363e4 JH |
577 | |
578 | leave: | |
579 | free(nonce); | |
5732373d | 580 | free(expect); |
b89363e4 JH |
581 | return retval; |
582 | } | |
583 | ||
cbaf82cc JT |
584 | /* |
585 | * Return 1 if there is no push_cert or if the push options in push_cert are | |
586 | * the same as those in the argument; 0 otherwise. | |
587 | */ | |
588 | static int check_cert_push_options(const struct string_list *push_options) | |
589 | { | |
590 | const char *buf = push_cert.buf; | |
591 | int len = push_cert.len; | |
592 | ||
593 | char *option; | |
594 | const char *next_line; | |
595 | int options_seen = 0; | |
596 | ||
597 | int retval = 1; | |
598 | ||
599 | if (!len) | |
600 | return 1; | |
601 | ||
602 | while ((option = find_header(buf, len, "push-option", &next_line))) { | |
603 | len -= (next_line - buf); | |
604 | buf = next_line; | |
605 | options_seen++; | |
606 | if (options_seen > push_options->nr | |
607 | || strcmp(option, | |
608 | push_options->items[options_seen - 1].string)) { | |
609 | retval = 0; | |
610 | goto leave; | |
611 | } | |
612 | free(option); | |
613 | } | |
614 | ||
615 | if (options_seen != push_options->nr) | |
616 | retval = 0; | |
617 | ||
618 | leave: | |
619 | free(option); | |
620 | return retval; | |
621 | } | |
622 | ||
a85b377d JH |
623 | static void prepare_push_cert_sha1(struct child_process *proc) |
624 | { | |
625 | static int already_done; | |
a85b377d JH |
626 | |
627 | if (!push_cert.len) | |
628 | return; | |
629 | ||
630 | if (!already_done) { | |
d05b9618 JH |
631 | struct strbuf gpg_output = STRBUF_INIT; |
632 | struct strbuf gpg_status = STRBUF_INIT; | |
633 | int bogs /* beginning_of_gpg_sig */; | |
634 | ||
a85b377d JH |
635 | already_done = 1; |
636 | if (write_sha1_file(push_cert.buf, push_cert.len, "blob", push_cert_sha1)) | |
637 | hashclr(push_cert_sha1); | |
d05b9618 JH |
638 | |
639 | memset(&sigcheck, '\0', sizeof(sigcheck)); | |
640 | sigcheck.result = 'N'; | |
641 | ||
642 | bogs = parse_signature(push_cert.buf, push_cert.len); | |
643 | if (verify_signed_buffer(push_cert.buf, bogs, | |
644 | push_cert.buf + bogs, push_cert.len - bogs, | |
645 | &gpg_output, &gpg_status) < 0) { | |
646 | ; /* error running gpg */ | |
647 | } else { | |
648 | sigcheck.payload = push_cert.buf; | |
649 | sigcheck.gpg_output = gpg_output.buf; | |
650 | sigcheck.gpg_status = gpg_status.buf; | |
651 | parse_gpg_output(&sigcheck); | |
652 | } | |
653 | ||
654 | strbuf_release(&gpg_output); | |
655 | strbuf_release(&gpg_status); | |
b89363e4 | 656 | nonce_status = check_nonce(push_cert.buf, bogs); |
a85b377d JH |
657 | } |
658 | if (!is_null_sha1(push_cert_sha1)) { | |
a9154590 RS |
659 | argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT=%s", |
660 | sha1_to_hex(push_cert_sha1)); | |
661 | argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_SIGNER=%s", | |
d05b9618 | 662 | sigcheck.signer ? sigcheck.signer : ""); |
a9154590 | 663 | argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_KEY=%s", |
d05b9618 | 664 | sigcheck.key ? sigcheck.key : ""); |
a9154590 RS |
665 | argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_STATUS=%c", |
666 | sigcheck.result); | |
b89363e4 | 667 | if (push_cert_nonce) { |
a9154590 RS |
668 | argv_array_pushf(&proc->env_array, |
669 | "GIT_PUSH_CERT_NONCE=%s", | |
670 | push_cert_nonce); | |
671 | argv_array_pushf(&proc->env_array, | |
672 | "GIT_PUSH_CERT_NONCE_STATUS=%s", | |
673 | nonce_status); | |
5732373d | 674 | if (nonce_status == NONCE_SLOP) |
a9154590 RS |
675 | argv_array_pushf(&proc->env_array, |
676 | "GIT_PUSH_CERT_NONCE_SLOP=%ld", | |
5732373d | 677 | nonce_stamp_slop); |
b89363e4 | 678 | } |
a85b377d JH |
679 | } |
680 | } | |
681 | ||
77a9745d SB |
682 | struct receive_hook_feed_state { |
683 | struct command *cmd; | |
684 | int skip_broken; | |
685 | struct strbuf buf; | |
686 | const struct string_list *push_options; | |
687 | }; | |
688 | ||
9684e44a | 689 | typedef int (*feed_fn)(void *, const char **, size_t *); |
77a9745d SB |
690 | static int run_and_feed_hook(const char *hook_name, feed_fn feed, |
691 | struct receive_hook_feed_state *feed_state) | |
b1bf95bb | 692 | { |
d3180279 | 693 | struct child_process proc = CHILD_PROCESS_INIT; |
6d525d38 | 694 | struct async muxer; |
f43cd49f | 695 | const char *argv[2]; |
9684e44a | 696 | int code; |
b1bf95bb | 697 | |
5a7da2dc AS |
698 | argv[0] = find_hook(hook_name); |
699 | if (!argv[0]) | |
b1bf95bb | 700 | return 0; |
c8dd2771 | 701 | |
f43cd49f SP |
702 | argv[1] = NULL; |
703 | ||
f43cd49f SP |
704 | proc.argv = argv; |
705 | proc.in = -1; | |
706 | proc.stdout_to_stderr = 1; | |
77a9745d SB |
707 | if (feed_state->push_options) { |
708 | int i; | |
709 | for (i = 0; i < feed_state->push_options->nr; i++) | |
710 | argv_array_pushf(&proc.env_array, | |
711 | "GIT_PUSH_OPTION_%d=%s", i, | |
712 | feed_state->push_options->items[i].string); | |
713 | argv_array_pushf(&proc.env_array, "GIT_PUSH_OPTION_COUNT=%d", | |
714 | feed_state->push_options->nr); | |
715 | } else | |
716 | argv_array_pushf(&proc.env_array, "GIT_PUSH_OPTION_COUNT"); | |
f43cd49f | 717 | |
722ff7f8 JK |
718 | if (tmp_objdir) |
719 | argv_array_pushv(&proc.env_array, tmp_objdir_env(tmp_objdir)); | |
720 | ||
6d525d38 SP |
721 | if (use_sideband) { |
722 | memset(&muxer, 0, sizeof(muxer)); | |
723 | muxer.proc = copy_to_sideband; | |
724 | muxer.in = -1; | |
725 | code = start_async(&muxer); | |
726 | if (code) | |
727 | return code; | |
728 | proc.err = muxer.in; | |
729 | } | |
730 | ||
5d222c09 RS |
731 | prepare_push_cert_sha1(&proc); |
732 | ||
f43cd49f | 733 | code = start_command(&proc); |
6d525d38 SP |
734 | if (code) { |
735 | if (use_sideband) | |
736 | finish_async(&muxer); | |
90e41a89 | 737 | return code; |
6d525d38 SP |
738 | } |
739 | ||
ec7dbd14 JH |
740 | sigchain_push(SIGPIPE, SIG_IGN); |
741 | ||
9684e44a JH |
742 | while (1) { |
743 | const char *buf; | |
744 | size_t n; | |
745 | if (feed(feed_state, &buf, &n)) | |
746 | break; | |
06f46f23 | 747 | if (write_in_full(proc.in, buf, n) < 0) |
9684e44a | 748 | break; |
c8dd2771 | 749 | } |
e72ae288 | 750 | close(proc.in); |
6d525d38 SP |
751 | if (use_sideband) |
752 | finish_async(&muxer); | |
ec7dbd14 JH |
753 | |
754 | sigchain_pop(SIGPIPE); | |
755 | ||
90e41a89 | 756 | return finish_command(&proc); |
b1bf95bb JW |
757 | } |
758 | ||
9684e44a JH |
759 | static int feed_receive_hook(void *state_, const char **bufp, size_t *sizep) |
760 | { | |
761 | struct receive_hook_feed_state *state = state_; | |
762 | struct command *cmd = state->cmd; | |
763 | ||
cdc2b2f3 JH |
764 | while (cmd && |
765 | state->skip_broken && (cmd->error_string || cmd->did_not_exist)) | |
9684e44a JH |
766 | cmd = cmd->next; |
767 | if (!cmd) | |
768 | return -1; /* EOF */ | |
769 | strbuf_reset(&state->buf); | |
770 | strbuf_addf(&state->buf, "%s %s %s\n", | |
9c44ea44 | 771 | oid_to_hex(&cmd->old_oid), oid_to_hex(&cmd->new_oid), |
9684e44a JH |
772 | cmd->ref_name); |
773 | state->cmd = cmd->next; | |
774 | if (bufp) { | |
775 | *bufp = state->buf.buf; | |
776 | *sizep = state->buf.len; | |
777 | } | |
778 | return 0; | |
779 | } | |
780 | ||
77a9745d SB |
781 | static int run_receive_hook(struct command *commands, |
782 | const char *hook_name, | |
783 | int skip_broken, | |
784 | const struct string_list *push_options) | |
9684e44a JH |
785 | { |
786 | struct receive_hook_feed_state state; | |
787 | int status; | |
788 | ||
789 | strbuf_init(&state.buf, 0); | |
790 | state.cmd = commands; | |
cdc2b2f3 | 791 | state.skip_broken = skip_broken; |
9684e44a JH |
792 | if (feed_receive_hook(&state, NULL, NULL)) |
793 | return 0; | |
794 | state.cmd = commands; | |
77a9745d | 795 | state.push_options = push_options; |
9684e44a JH |
796 | status = run_and_feed_hook(hook_name, feed_receive_hook, &state); |
797 | strbuf_release(&state.buf); | |
798 | return status; | |
799 | } | |
800 | ||
1d9e8b56 SP |
801 | static int run_update_hook(struct command *cmd) |
802 | { | |
1d9e8b56 | 803 | const char *argv[5]; |
d3180279 | 804 | struct child_process proc = CHILD_PROCESS_INIT; |
6d525d38 | 805 | int code; |
1d9e8b56 | 806 | |
5a7da2dc AS |
807 | argv[0] = find_hook("update"); |
808 | if (!argv[0]) | |
1d9e8b56 SP |
809 | return 0; |
810 | ||
1d9e8b56 | 811 | argv[1] = cmd->ref_name; |
9c44ea44 | 812 | argv[2] = oid_to_hex(&cmd->old_oid); |
813 | argv[3] = oid_to_hex(&cmd->new_oid); | |
1d9e8b56 SP |
814 | argv[4] = NULL; |
815 | ||
6d525d38 SP |
816 | proc.no_stdin = 1; |
817 | proc.stdout_to_stderr = 1; | |
818 | proc.err = use_sideband ? -1 : 0; | |
819 | proc.argv = argv; | |
820 | ||
821 | code = start_command(&proc); | |
822 | if (code) | |
823 | return code; | |
824 | if (use_sideband) | |
825 | copy_to_sideband(proc.err, -1, NULL); | |
826 | return finish_command(&proc); | |
1d9e8b56 SP |
827 | } |
828 | ||
986e8239 JK |
829 | static int is_ref_checked_out(const char *ref) |
830 | { | |
986e8239 JK |
831 | if (is_bare_repository()) |
832 | return 0; | |
833 | ||
747ca245 | 834 | if (!head_name) |
986e8239 | 835 | return 0; |
747ca245 | 836 | return !strcmp(head_name, ref); |
986e8239 JK |
837 | } |
838 | ||
8ba35a2d VA |
839 | static char *refuse_unconfigured_deny_msg = |
840 | N_("By default, updating the current branch in a non-bare repository\n" | |
841 | "is denied, because it will make the index and work tree inconsistent\n" | |
842 | "with what you pushed, and will require 'git reset --hard' to match\n" | |
843 | "the work tree to HEAD.\n" | |
844 | "\n" | |
2ddaa427 AH |
845 | "You can set the 'receive.denyCurrentBranch' configuration variable\n" |
846 | "to 'ignore' or 'warn' in the remote repository to allow pushing into\n" | |
8ba35a2d VA |
847 | "its current branch; however, this is not recommended unless you\n" |
848 | "arranged to update its work tree to match what you pushed in some\n" | |
849 | "other way.\n" | |
850 | "\n" | |
851 | "To squelch this message and still keep the default behaviour, set\n" | |
852 | "'receive.denyCurrentBranch' configuration variable to 'refuse'."); | |
3d95d92b | 853 | |
acd2a45b | 854 | static void refuse_unconfigured_deny(void) |
3d95d92b | 855 | { |
8ba35a2d | 856 | rp_error("%s", _(refuse_unconfigured_deny_msg)); |
3d95d92b JH |
857 | } |
858 | ||
8ba35a2d VA |
859 | static char *refuse_unconfigured_deny_delete_current_msg = |
860 | N_("By default, deleting the current branch is denied, because the next\n" | |
861 | "'git clone' won't result in any file checked out, causing confusion.\n" | |
862 | "\n" | |
863 | "You can set 'receive.denyDeleteCurrent' configuration variable to\n" | |
864 | "'warn' or 'ignore' in the remote repository to allow deleting the\n" | |
865 | "current branch, with or without a warning message.\n" | |
866 | "\n" | |
867 | "To squelch this message, you can set it to 'refuse'."); | |
747ca245 | 868 | |
375881fa | 869 | static void refuse_unconfigured_deny_delete_current(void) |
747ca245 | 870 | { |
8ba35a2d | 871 | rp_error("%s", _(refuse_unconfigured_deny_delete_current_msg)); |
747ca245 JH |
872 | } |
873 | ||
6ccac9ee | 874 | static int command_singleton_iterator(void *cb_data, struct object_id *oid); |
0a1bc12b NTND |
875 | static int update_shallow_ref(struct command *cmd, struct shallow_info *si) |
876 | { | |
877 | static struct lock_file shallow_lock; | |
910650d2 | 878 | struct oid_array extra = OID_ARRAY_INIT; |
7043c707 | 879 | struct check_connected_options opt = CHECK_CONNECTED_INIT; |
0a1bc12b NTND |
880 | uint32_t mask = 1 << (cmd->index % 32); |
881 | int i; | |
882 | ||
6aa30857 | 883 | trace_printf_key(&trace_shallow, |
0a1bc12b NTND |
884 | "shallow: update_shallow_ref %s\n", cmd->ref_name); |
885 | for (i = 0; i < si->shallow->nr; i++) | |
886 | if (si->used_shallow[i] && | |
887 | (si->used_shallow[i][cmd->index / 32] & mask) && | |
888 | !delayed_reachability_test(si, i)) | |
910650d2 | 889 | oid_array_append(&extra, &si->shallow->oid[i]); |
0a1bc12b | 890 | |
722ff7f8 | 891 | opt.env = tmp_objdir_env(tmp_objdir); |
7043c707 JK |
892 | setup_alternate_shallow(&shallow_lock, &opt.shallow_file, &extra); |
893 | if (check_connected(command_singleton_iterator, cmd, &opt)) { | |
0a1bc12b | 894 | rollback_lock_file(&shallow_lock); |
910650d2 | 895 | oid_array_clear(&extra); |
0a1bc12b NTND |
896 | return -1; |
897 | } | |
898 | ||
899 | commit_lock_file(&shallow_lock); | |
900 | ||
901 | /* | |
902 | * Make sure setup_alternate_shallow() for the next ref does | |
903 | * not lose these new roots.. | |
904 | */ | |
905 | for (i = 0; i < extra.nr; i++) | |
e92b848c | 906 | register_shallow(&extra.oid[i]); |
0a1bc12b NTND |
907 | |
908 | si->shallow_ref[cmd->index] = 0; | |
910650d2 | 909 | oid_array_clear(&extra); |
0a1bc12b NTND |
910 | return 0; |
911 | } | |
912 | ||
1a51b524 JH |
913 | /* |
914 | * NEEDSWORK: we should consolidate various implementions of "are we | |
915 | * on an unborn branch?" test into one, and make the unified one more | |
916 | * robust. !get_sha1() based check used here and elsewhere would not | |
917 | * allow us to tell an unborn branch from corrupt ref, for example. | |
918 | * For the purpose of fixing "deploy-to-update does not work when | |
919 | * pushing into an empty repository" issue, this should suffice for | |
920 | * now. | |
921 | */ | |
922 | static int head_has_history(void) | |
923 | { | |
15be4a5d | 924 | struct object_id oid; |
1a51b524 | 925 | |
15be4a5d | 926 | return !get_oid("HEAD", &oid); |
1a51b524 JH |
927 | } |
928 | ||
21b138d0 JH |
929 | static const char *push_to_deploy(unsigned char *sha1, |
930 | struct argv_array *env, | |
931 | const char *work_tree) | |
1404bcbb JS |
932 | { |
933 | const char *update_refresh[] = { | |
934 | "update-index", "-q", "--ignore-submodules", "--refresh", NULL | |
935 | }; | |
936 | const char *diff_files[] = { | |
937 | "diff-files", "--quiet", "--ignore-submodules", "--", NULL | |
938 | }; | |
939 | const char *diff_index[] = { | |
940 | "diff-index", "--quiet", "--cached", "--ignore-submodules", | |
1a51b524 | 941 | NULL, "--", NULL |
1404bcbb JS |
942 | }; |
943 | const char *read_tree[] = { | |
944 | "read-tree", "-u", "-m", NULL, NULL | |
945 | }; | |
1404bcbb JS |
946 | struct child_process child = CHILD_PROCESS_INIT; |
947 | ||
1404bcbb | 948 | child.argv = update_refresh; |
21b138d0 | 949 | child.env = env->argv; |
1404bcbb JS |
950 | child.dir = work_tree; |
951 | child.no_stdin = 1; | |
952 | child.stdout_to_stderr = 1; | |
953 | child.git_cmd = 1; | |
21b138d0 | 954 | if (run_command(&child)) |
1404bcbb | 955 | return "Up-to-date check failed"; |
1404bcbb JS |
956 | |
957 | /* run_command() does not clean up completely; reinitialize */ | |
958 | child_process_init(&child); | |
959 | child.argv = diff_files; | |
21b138d0 | 960 | child.env = env->argv; |
1404bcbb JS |
961 | child.dir = work_tree; |
962 | child.no_stdin = 1; | |
963 | child.stdout_to_stderr = 1; | |
964 | child.git_cmd = 1; | |
21b138d0 | 965 | if (run_command(&child)) |
1404bcbb | 966 | return "Working directory has unstaged changes"; |
1404bcbb | 967 | |
1a51b524 JH |
968 | /* diff-index with either HEAD or an empty tree */ |
969 | diff_index[4] = head_has_history() ? "HEAD" : EMPTY_TREE_SHA1_HEX; | |
970 | ||
1404bcbb JS |
971 | child_process_init(&child); |
972 | child.argv = diff_index; | |
21b138d0 | 973 | child.env = env->argv; |
1404bcbb JS |
974 | child.no_stdin = 1; |
975 | child.no_stdout = 1; | |
976 | child.stdout_to_stderr = 0; | |
977 | child.git_cmd = 1; | |
21b138d0 | 978 | if (run_command(&child)) |
1404bcbb | 979 | return "Working directory has staged changes"; |
1404bcbb JS |
980 | |
981 | read_tree[3] = sha1_to_hex(sha1); | |
982 | child_process_init(&child); | |
983 | child.argv = read_tree; | |
21b138d0 | 984 | child.env = env->argv; |
1404bcbb JS |
985 | child.dir = work_tree; |
986 | child.no_stdin = 1; | |
987 | child.no_stdout = 1; | |
988 | child.stdout_to_stderr = 0; | |
989 | child.git_cmd = 1; | |
21b138d0 | 990 | if (run_command(&child)) |
1404bcbb | 991 | return "Could not update working tree to new HEAD"; |
1404bcbb | 992 | |
1404bcbb JS |
993 | return NULL; |
994 | } | |
995 | ||
08553319 JH |
996 | static const char *push_to_checkout_hook = "push-to-checkout"; |
997 | ||
998 | static const char *push_to_checkout(unsigned char *sha1, | |
999 | struct argv_array *env, | |
1000 | const char *work_tree) | |
1001 | { | |
1002 | argv_array_pushf(env, "GIT_WORK_TREE=%s", absolute_path(work_tree)); | |
1003 | if (run_hook_le(env->argv, push_to_checkout_hook, | |
1004 | sha1_to_hex(sha1), NULL)) | |
1005 | return "push-to-checkout hook declined"; | |
1006 | else | |
1007 | return NULL; | |
1008 | } | |
1009 | ||
21b138d0 JH |
1010 | static const char *update_worktree(unsigned char *sha1) |
1011 | { | |
1012 | const char *retval; | |
1013 | const char *work_tree = git_work_tree_cfg ? git_work_tree_cfg : ".."; | |
1014 | struct argv_array env = ARGV_ARRAY_INIT; | |
1015 | ||
1016 | if (is_bare_repository()) | |
1017 | return "denyCurrentBranch = updateInstead needs a worktree"; | |
1018 | ||
1019 | argv_array_pushf(&env, "GIT_DIR=%s", absolute_path(get_git_dir())); | |
1020 | ||
08553319 JH |
1021 | if (!find_hook(push_to_checkout_hook)) |
1022 | retval = push_to_deploy(sha1, &env, work_tree); | |
1023 | else | |
1024 | retval = push_to_checkout(sha1, &env, work_tree); | |
21b138d0 JH |
1025 | |
1026 | argv_array_clear(&env); | |
1027 | return retval; | |
1028 | } | |
1029 | ||
0a1bc12b | 1030 | static const char *update(struct command *cmd, struct shallow_info *si) |
2eca23da | 1031 | { |
cfee10a7 | 1032 | const char *name = cmd->ref_name; |
6b01ecfe | 1033 | struct strbuf namespaced_name_buf = STRBUF_INIT; |
bda6e828 JS |
1034 | static char *namespaced_name; |
1035 | const char *ret; | |
9c44ea44 | 1036 | struct object_id *old_oid = &cmd->old_oid; |
1037 | struct object_id *new_oid = &cmd->new_oid; | |
2eca23da | 1038 | |
061d6b9a | 1039 | /* only refs/... are allowed */ |
59556548 | 1040 | if (!starts_with(name, "refs/") || check_refname_format(name + 5, 0)) { |
466dbc42 | 1041 | rp_error("refusing to create funny ref '%s' remotely", name); |
8aaf7d64 | 1042 | return "funny refname"; |
cfee10a7 | 1043 | } |
d8a1deec | 1044 | |
6b01ecfe | 1045 | strbuf_addf(&namespaced_name_buf, "%s%s", get_git_namespace(), name); |
bda6e828 | 1046 | free(namespaced_name); |
6b01ecfe JT |
1047 | namespaced_name = strbuf_detach(&namespaced_name_buf, NULL); |
1048 | ||
1049 | if (is_ref_checked_out(namespaced_name)) { | |
3d95d92b JH |
1050 | switch (deny_current_branch) { |
1051 | case DENY_IGNORE: | |
986e8239 | 1052 | break; |
3d95d92b | 1053 | case DENY_WARN: |
466dbc42 | 1054 | rp_warning("updating the current branch"); |
986e8239 | 1055 | break; |
3d95d92b | 1056 | case DENY_REFUSE: |
acd2a45b | 1057 | case DENY_UNCONFIGURED: |
466dbc42 | 1058 | rp_error("refusing to update checked out branch: %s", name); |
acd2a45b JH |
1059 | if (deny_current_branch == DENY_UNCONFIGURED) |
1060 | refuse_unconfigured_deny(); | |
3d95d92b | 1061 | return "branch is currently checked out"; |
1404bcbb | 1062 | case DENY_UPDATE_INSTEAD: |
9c44ea44 | 1063 | ret = update_worktree(new_oid->hash); |
1404bcbb JS |
1064 | if (ret) |
1065 | return ret; | |
1066 | break; | |
3d95d92b | 1067 | } |
986e8239 JK |
1068 | } |
1069 | ||
9c44ea44 | 1070 | if (!is_null_oid(new_oid) && !has_object_file(new_oid)) { |
8aaf7d64 | 1071 | error("unpack should have generated %s, " |
9c44ea44 | 1072 | "but I can't find it!", oid_to_hex(new_oid)); |
8aaf7d64 | 1073 | return "bad pack"; |
cfee10a7 | 1074 | } |
747ca245 | 1075 | |
9c44ea44 | 1076 | if (!is_null_oid(old_oid) && is_null_oid(new_oid)) { |
59556548 | 1077 | if (deny_deletes && starts_with(name, "refs/heads/")) { |
466dbc42 | 1078 | rp_error("denying ref deletion for %s", name); |
747ca245 JH |
1079 | return "deletion prohibited"; |
1080 | } | |
1081 | ||
b112b14d | 1082 | if (head_name && !strcmp(namespaced_name, head_name)) { |
747ca245 JH |
1083 | switch (deny_delete_current) { |
1084 | case DENY_IGNORE: | |
1085 | break; | |
1086 | case DENY_WARN: | |
466dbc42 | 1087 | rp_warning("deleting the current branch"); |
747ca245 JH |
1088 | break; |
1089 | case DENY_REFUSE: | |
375881fa | 1090 | case DENY_UNCONFIGURED: |
1404bcbb | 1091 | case DENY_UPDATE_INSTEAD: |
375881fa JH |
1092 | if (deny_delete_current == DENY_UNCONFIGURED) |
1093 | refuse_unconfigured_deny_delete_current(); | |
466dbc42 | 1094 | rp_error("refusing to delete the current branch: %s", name); |
747ca245 | 1095 | return "deletion of the current branch prohibited"; |
1404bcbb JS |
1096 | default: |
1097 | return "Invalid denyDeleteCurrent setting"; | |
747ca245 JH |
1098 | } |
1099 | } | |
a240de11 | 1100 | } |
747ca245 | 1101 | |
9c44ea44 | 1102 | if (deny_non_fast_forwards && !is_null_oid(new_oid) && |
1103 | !is_null_oid(old_oid) && | |
59556548 | 1104 | starts_with(name, "refs/heads/")) { |
eab82707 | 1105 | struct object *old_object, *new_object; |
11031d7e | 1106 | struct commit *old_commit, *new_commit; |
11031d7e | 1107 | |
c251c83d | 1108 | old_object = parse_object(old_oid); |
1109 | new_object = parse_object(new_oid); | |
eab82707 MK |
1110 | |
1111 | if (!old_object || !new_object || | |
1112 | old_object->type != OBJ_COMMIT || | |
1113 | new_object->type != OBJ_COMMIT) { | |
1114 | error("bad sha1 objects for %s", name); | |
1115 | return "bad ref"; | |
1116 | } | |
1117 | old_commit = (struct commit *)old_object; | |
1118 | new_commit = (struct commit *)new_object; | |
5d55915c | 1119 | if (!in_merge_bases(old_commit, new_commit)) { |
466dbc42 SP |
1120 | rp_error("denying non-fast-forward %s" |
1121 | " (you should pull first)", name); | |
a75d7b54 | 1122 | return "non-fast-forward"; |
8aaf7d64 | 1123 | } |
11031d7e | 1124 | } |
1d9e8b56 | 1125 | if (run_update_hook(cmd)) { |
466dbc42 | 1126 | rp_error("hook declined to update %s", name); |
8aaf7d64 | 1127 | return "hook declined"; |
b1bf95bb | 1128 | } |
3159c8dc | 1129 | |
9c44ea44 | 1130 | if (is_null_oid(new_oid)) { |
222368c6 | 1131 | struct strbuf err = STRBUF_INIT; |
c251c83d | 1132 | if (!parse_object(old_oid)) { |
9c44ea44 | 1133 | old_oid = NULL; |
160b81ed PYH |
1134 | if (ref_exists(name)) { |
1135 | rp_warning("Allowing deletion of corrupt ref."); | |
1136 | } else { | |
1137 | rp_warning("Deleting a non-existent ref."); | |
1138 | cmd->did_not_exist = 1; | |
1139 | } | |
28391a80 | 1140 | } |
222368c6 SB |
1141 | if (ref_transaction_delete(transaction, |
1142 | namespaced_name, | |
89f3bbdd | 1143 | old_oid, |
fb5a6bb6 | 1144 | 0, "push", &err)) { |
222368c6 SB |
1145 | rp_error("%s", err.buf); |
1146 | strbuf_release(&err); | |
8aaf7d64 | 1147 | return "failed to delete"; |
d4f694ba | 1148 | } |
222368c6 | 1149 | strbuf_release(&err); |
8aaf7d64 | 1150 | return NULL; /* good */ |
d4f694ba JH |
1151 | } |
1152 | else { | |
6629ea2d | 1153 | struct strbuf err = STRBUF_INIT; |
0a1bc12b NTND |
1154 | if (shallow_update && si->shallow_ref[cmd->index] && |
1155 | update_shallow_ref(cmd, si)) | |
1156 | return "shallow error"; | |
1157 | ||
222368c6 SB |
1158 | if (ref_transaction_update(transaction, |
1159 | namespaced_name, | |
89f3bbdd | 1160 | new_oid, old_oid, |
1d147bdf | 1161 | 0, "push", |
222368c6 | 1162 | &err)) { |
6629ea2d RS |
1163 | rp_error("%s", err.buf); |
1164 | strbuf_release(&err); | |
222368c6 | 1165 | |
6629ea2d | 1166 | return "failed to update ref"; |
ef203f08 | 1167 | } |
6629ea2d | 1168 | strbuf_release(&err); |
222368c6 | 1169 | |
8aaf7d64 | 1170 | return NULL; /* good */ |
19614330 | 1171 | } |
2eca23da LT |
1172 | } |
1173 | ||
5e1c71fd | 1174 | static void run_update_post_hook(struct command *commands) |
19614330 | 1175 | { |
5e1c71fd | 1176 | struct command *cmd; |
d3180279 | 1177 | struct child_process proc = CHILD_PROCESS_INIT; |
dcf69262 | 1178 | const char *hook; |
19614330 | 1179 | |
5a7da2dc | 1180 | hook = find_hook("post-update"); |
dce96c41 | 1181 | if (!hook) |
3e6e152c | 1182 | return; |
5a7da2dc | 1183 | |
850d2fec | 1184 | for (cmd = commands; cmd; cmd = cmd->next) { |
160b81ed | 1185 | if (cmd->error_string || cmd->did_not_exist) |
19614330 | 1186 | continue; |
dce96c41 RS |
1187 | if (!proc.args.argc) |
1188 | argv_array_push(&proc.args, hook); | |
850d2fec | 1189 | argv_array_push(&proc.args, cmd->ref_name); |
19614330 | 1190 | } |
dce96c41 RS |
1191 | if (!proc.args.argc) |
1192 | return; | |
6d525d38 | 1193 | |
6d525d38 SP |
1194 | proc.no_stdin = 1; |
1195 | proc.stdout_to_stderr = 1; | |
1196 | proc.err = use_sideband ? -1 : 0; | |
6d525d38 SP |
1197 | |
1198 | if (!start_command(&proc)) { | |
1199 | if (use_sideband) | |
1200 | copy_to_sideband(proc.err, -1, NULL); | |
1201 | finish_command(&proc); | |
1202 | } | |
19614330 | 1203 | } |
2eca23da | 1204 | |
da3efdb1 JS |
1205 | static void check_aliased_update(struct command *cmd, struct string_list *list) |
1206 | { | |
6b01ecfe JT |
1207 | struct strbuf buf = STRBUF_INIT; |
1208 | const char *dst_name; | |
da3efdb1 JS |
1209 | struct string_list_item *item; |
1210 | struct command *dst_cmd; | |
da3efdb1 JS |
1211 | int flag; |
1212 | ||
6b01ecfe | 1213 | strbuf_addf(&buf, "%s%s", get_git_namespace(), cmd->ref_name); |
744c040b | 1214 | dst_name = resolve_ref_unsafe(buf.buf, 0, NULL, &flag); |
6b01ecfe | 1215 | strbuf_release(&buf); |
da3efdb1 JS |
1216 | |
1217 | if (!(flag & REF_ISSYMREF)) | |
1218 | return; | |
1219 | ||
6b01ecfe JT |
1220 | if (!dst_name) { |
1221 | rp_error("refusing update to broken symref '%s'", cmd->ref_name); | |
1222 | cmd->skip_update = 1; | |
1223 | cmd->error_string = "broken symref"; | |
1224 | return; | |
1225 | } | |
ded83936 | 1226 | dst_name = strip_namespace(dst_name); |
6b01ecfe | 1227 | |
e8c8b713 | 1228 | if ((item = string_list_lookup(list, dst_name)) == NULL) |
da3efdb1 JS |
1229 | return; |
1230 | ||
1231 | cmd->skip_update = 1; | |
1232 | ||
1233 | dst_cmd = (struct command *) item->util; | |
1234 | ||
9c44ea44 | 1235 | if (!oidcmp(&cmd->old_oid, &dst_cmd->old_oid) && |
1236 | !oidcmp(&cmd->new_oid, &dst_cmd->new_oid)) | |
da3efdb1 JS |
1237 | return; |
1238 | ||
1239 | dst_cmd->skip_update = 1; | |
1240 | ||
da3efdb1 JS |
1241 | rp_error("refusing inconsistent update between symref '%s' (%s..%s) and" |
1242 | " its target '%s' (%s..%s)", | |
ef2ed501 | 1243 | cmd->ref_name, |
9c44ea44 | 1244 | find_unique_abbrev(cmd->old_oid.hash, DEFAULT_ABBREV), |
1245 | find_unique_abbrev(cmd->new_oid.hash, DEFAULT_ABBREV), | |
ef2ed501 | 1246 | dst_cmd->ref_name, |
9c44ea44 | 1247 | find_unique_abbrev(dst_cmd->old_oid.hash, DEFAULT_ABBREV), |
1248 | find_unique_abbrev(dst_cmd->new_oid.hash, DEFAULT_ABBREV)); | |
da3efdb1 JS |
1249 | |
1250 | cmd->error_string = dst_cmd->error_string = | |
1251 | "inconsistent aliased update"; | |
1252 | } | |
1253 | ||
1254 | static void check_aliased_updates(struct command *commands) | |
1255 | { | |
1256 | struct command *cmd; | |
183113a5 | 1257 | struct string_list ref_list = STRING_LIST_INIT_NODUP; |
da3efdb1 JS |
1258 | |
1259 | for (cmd = commands; cmd; cmd = cmd->next) { | |
1260 | struct string_list_item *item = | |
1d2f80fa | 1261 | string_list_append(&ref_list, cmd->ref_name); |
da3efdb1 JS |
1262 | item->util = (void *)cmd; |
1263 | } | |
3383e199 | 1264 | string_list_sort(&ref_list); |
da3efdb1 | 1265 | |
ef7e93d9 CB |
1266 | for (cmd = commands; cmd; cmd = cmd->next) { |
1267 | if (!cmd->error_string) | |
1268 | check_aliased_update(cmd, &ref_list); | |
1269 | } | |
da3efdb1 JS |
1270 | |
1271 | string_list_clear(&ref_list, 0); | |
1272 | } | |
1273 | ||
6ccac9ee | 1274 | static int command_singleton_iterator(void *cb_data, struct object_id *oid) |
52fed6e1 JH |
1275 | { |
1276 | struct command **cmd_list = cb_data; | |
1277 | struct command *cmd = *cmd_list; | |
1278 | ||
9c44ea44 | 1279 | if (!cmd || is_null_oid(&cmd->new_oid)) |
52fed6e1 JH |
1280 | return -1; /* end of list */ |
1281 | *cmd_list = NULL; /* this returns only one */ | |
6ccac9ee | 1282 | oidcpy(oid, &cmd->new_oid); |
52fed6e1 JH |
1283 | return 0; |
1284 | } | |
1285 | ||
0a1bc12b NTND |
1286 | static void set_connectivity_errors(struct command *commands, |
1287 | struct shallow_info *si) | |
52fed6e1 JH |
1288 | { |
1289 | struct command *cmd; | |
1290 | ||
1291 | for (cmd = commands; cmd; cmd = cmd->next) { | |
1292 | struct command *singleton = cmd; | |
722ff7f8 JK |
1293 | struct check_connected_options opt = CHECK_CONNECTED_INIT; |
1294 | ||
0a1bc12b NTND |
1295 | if (shallow_update && si->shallow_ref[cmd->index]) |
1296 | /* to be checked in update_shallow_ref() */ | |
1297 | continue; | |
722ff7f8 JK |
1298 | |
1299 | opt.env = tmp_objdir_env(tmp_objdir); | |
7043c707 | 1300 | if (!check_connected(command_singleton_iterator, &singleton, |
722ff7f8 | 1301 | &opt)) |
52fed6e1 | 1302 | continue; |
722ff7f8 | 1303 | |
52fed6e1 JH |
1304 | cmd->error_string = "missing necessary objects"; |
1305 | } | |
1306 | } | |
1307 | ||
0a1bc12b NTND |
1308 | struct iterate_data { |
1309 | struct command *cmds; | |
1310 | struct shallow_info *si; | |
1311 | }; | |
1312 | ||
6ccac9ee | 1313 | static int iterate_receive_command_list(void *cb_data, struct object_id *oid) |
52fed6e1 | 1314 | { |
0a1bc12b NTND |
1315 | struct iterate_data *data = cb_data; |
1316 | struct command **cmd_list = &data->cmds; | |
52fed6e1 JH |
1317 | struct command *cmd = *cmd_list; |
1318 | ||
0a1bc12b NTND |
1319 | for (; cmd; cmd = cmd->next) { |
1320 | if (shallow_update && data->si->shallow_ref[cmd->index]) | |
1321 | /* to be checked in update_shallow_ref() */ | |
1322 | continue; | |
9c44ea44 | 1323 | if (!is_null_oid(&cmd->new_oid) && !cmd->skip_update) { |
6ccac9ee | 1324 | oidcpy(oid, &cmd->new_oid); |
ee6dfb2d JH |
1325 | *cmd_list = cmd->next; |
1326 | return 0; | |
1327 | } | |
ee6dfb2d JH |
1328 | } |
1329 | *cmd_list = NULL; | |
1330 | return -1; /* end of list */ | |
52fed6e1 JH |
1331 | } |
1332 | ||
daebaa78 JH |
1333 | static void reject_updates_to_hidden(struct command *commands) |
1334 | { | |
78a766ab LF |
1335 | struct strbuf refname_full = STRBUF_INIT; |
1336 | size_t prefix_len; | |
daebaa78 JH |
1337 | struct command *cmd; |
1338 | ||
78a766ab LF |
1339 | strbuf_addstr(&refname_full, get_git_namespace()); |
1340 | prefix_len = refname_full.len; | |
1341 | ||
daebaa78 | 1342 | for (cmd = commands; cmd; cmd = cmd->next) { |
78a766ab LF |
1343 | if (cmd->error_string) |
1344 | continue; | |
1345 | ||
1346 | strbuf_setlen(&refname_full, prefix_len); | |
1347 | strbuf_addstr(&refname_full, cmd->ref_name); | |
1348 | ||
1349 | if (!ref_is_hidden(cmd->ref_name, refname_full.buf)) | |
daebaa78 | 1350 | continue; |
9c44ea44 | 1351 | if (is_null_oid(&cmd->new_oid)) |
daebaa78 JH |
1352 | cmd->error_string = "deny deleting a hidden ref"; |
1353 | else | |
1354 | cmd->error_string = "deny updating a hidden ref"; | |
1355 | } | |
78a766ab LF |
1356 | |
1357 | strbuf_release(&refname_full); | |
daebaa78 JH |
1358 | } |
1359 | ||
a6a84319 SB |
1360 | static int should_process_cmd(struct command *cmd) |
1361 | { | |
1362 | return !cmd->error_string && !cmd->skip_update; | |
1363 | } | |
1364 | ||
1365 | static void warn_if_skipped_connectivity_check(struct command *commands, | |
1366 | struct shallow_info *si) | |
1367 | { | |
1368 | struct command *cmd; | |
1369 | int checked_connectivity = 1; | |
1370 | ||
1371 | for (cmd = commands; cmd; cmd = cmd->next) { | |
1372 | if (should_process_cmd(cmd) && si->shallow_ref[cmd->index]) { | |
1373 | error("BUG: connectivity check has not been run on ref %s", | |
1374 | cmd->ref_name); | |
1375 | checked_connectivity = 0; | |
1376 | } | |
1377 | } | |
1378 | if (!checked_connectivity) | |
b6a47885 | 1379 | die("BUG: connectivity check skipped???"); |
a6a84319 SB |
1380 | } |
1381 | ||
a1a26145 SB |
1382 | static void execute_commands_non_atomic(struct command *commands, |
1383 | struct shallow_info *si) | |
1384 | { | |
1385 | struct command *cmd; | |
222368c6 SB |
1386 | struct strbuf err = STRBUF_INIT; |
1387 | ||
a1a26145 SB |
1388 | for (cmd = commands; cmd; cmd = cmd->next) { |
1389 | if (!should_process_cmd(cmd)) | |
1390 | continue; | |
1391 | ||
222368c6 SB |
1392 | transaction = ref_transaction_begin(&err); |
1393 | if (!transaction) { | |
1394 | rp_error("%s", err.buf); | |
1395 | strbuf_reset(&err); | |
1396 | cmd->error_string = "transaction failed to start"; | |
1397 | continue; | |
1398 | } | |
1399 | ||
a1a26145 | 1400 | cmd->error_string = update(cmd, si); |
222368c6 SB |
1401 | |
1402 | if (!cmd->error_string | |
1403 | && ref_transaction_commit(transaction, &err)) { | |
1404 | rp_error("%s", err.buf); | |
1405 | strbuf_reset(&err); | |
1406 | cmd->error_string = "failed to update ref"; | |
1407 | } | |
1408 | ref_transaction_free(transaction); | |
a1a26145 | 1409 | } |
68deed29 SB |
1410 | strbuf_release(&err); |
1411 | } | |
222368c6 | 1412 | |
68deed29 SB |
1413 | static void execute_commands_atomic(struct command *commands, |
1414 | struct shallow_info *si) | |
1415 | { | |
1416 | struct command *cmd; | |
1417 | struct strbuf err = STRBUF_INIT; | |
1418 | const char *reported_error = "atomic push failure"; | |
1419 | ||
1420 | transaction = ref_transaction_begin(&err); | |
1421 | if (!transaction) { | |
1422 | rp_error("%s", err.buf); | |
1423 | strbuf_reset(&err); | |
1424 | reported_error = "transaction failed to start"; | |
1425 | goto failure; | |
1426 | } | |
1427 | ||
1428 | for (cmd = commands; cmd; cmd = cmd->next) { | |
1429 | if (!should_process_cmd(cmd)) | |
1430 | continue; | |
1431 | ||
1432 | cmd->error_string = update(cmd, si); | |
1433 | ||
1434 | if (cmd->error_string) | |
1435 | goto failure; | |
1436 | } | |
1437 | ||
1438 | if (ref_transaction_commit(transaction, &err)) { | |
1439 | rp_error("%s", err.buf); | |
1440 | reported_error = "atomic transaction failed"; | |
1441 | goto failure; | |
1442 | } | |
1443 | goto cleanup; | |
1444 | ||
1445 | failure: | |
1446 | for (cmd = commands; cmd; cmd = cmd->next) | |
1447 | if (!cmd->error_string) | |
1448 | cmd->error_string = reported_error; | |
1449 | ||
1450 | cleanup: | |
1451 | ref_transaction_free(transaction); | |
222368c6 | 1452 | strbuf_release(&err); |
a1a26145 SB |
1453 | } |
1454 | ||
0a1bc12b NTND |
1455 | static void execute_commands(struct command *commands, |
1456 | const char *unpacker_error, | |
77a9745d SB |
1457 | struct shallow_info *si, |
1458 | const struct string_list *push_options) | |
575f4974 | 1459 | { |
d415092a | 1460 | struct check_connected_options opt = CHECK_CONNECTED_INIT; |
5e1c71fd | 1461 | struct command *cmd; |
0a1bc12b | 1462 | struct iterate_data data; |
d415092a JK |
1463 | struct async muxer; |
1464 | int err_fd = 0; | |
8aaf7d64 SP |
1465 | |
1466 | if (unpacker_error) { | |
5e1c71fd | 1467 | for (cmd = commands; cmd; cmd = cmd->next) |
74eb32d3 | 1468 | cmd->error_string = "unpacker error"; |
8aaf7d64 SP |
1469 | return; |
1470 | } | |
1471 | ||
d415092a JK |
1472 | if (use_sideband) { |
1473 | memset(&muxer, 0, sizeof(muxer)); | |
1474 | muxer.proc = copy_to_sideband; | |
1475 | muxer.in = -1; | |
1476 | if (!start_async(&muxer)) | |
1477 | err_fd = muxer.in; | |
1478 | /* ...else, continue without relaying sideband */ | |
1479 | } | |
1480 | ||
0a1bc12b NTND |
1481 | data.cmds = commands; |
1482 | data.si = si; | |
d415092a | 1483 | opt.err_fd = err_fd; |
6b4cd2f8 | 1484 | opt.progress = err_fd && !quiet; |
722ff7f8 | 1485 | opt.env = tmp_objdir_env(tmp_objdir); |
d415092a | 1486 | if (check_connected(iterate_receive_command_list, &data, &opt)) |
0a1bc12b | 1487 | set_connectivity_errors(commands, si); |
52fed6e1 | 1488 | |
d415092a JK |
1489 | if (use_sideband) |
1490 | finish_async(&muxer); | |
1491 | ||
daebaa78 JH |
1492 | reject_updates_to_hidden(commands); |
1493 | ||
77a9745d | 1494 | if (run_receive_hook(commands, "pre-receive", 0, push_options)) { |
ef7e93d9 CB |
1495 | for (cmd = commands; cmd; cmd = cmd->next) { |
1496 | if (!cmd->error_string) | |
1497 | cmd->error_string = "pre-receive hook declined"; | |
1498 | } | |
05ef58ec SP |
1499 | return; |
1500 | } | |
1501 | ||
722ff7f8 JK |
1502 | /* |
1503 | * Now we'll start writing out refs, which means the objects need | |
1504 | * to be in their final positions so that other processes can see them. | |
1505 | */ | |
1506 | if (tmp_objdir_migrate(tmp_objdir) < 0) { | |
1507 | for (cmd = commands; cmd; cmd = cmd->next) { | |
1508 | if (!cmd->error_string) | |
1509 | cmd->error_string = "unable to migrate objects to permanent storage"; | |
1510 | } | |
1511 | return; | |
1512 | } | |
1513 | tmp_objdir = NULL; | |
1514 | ||
da3efdb1 JS |
1515 | check_aliased_updates(commands); |
1516 | ||
96ec7b1e | 1517 | free(head_name_to_free); |
efbd4fdf | 1518 | head_name = head_name_to_free = resolve_refdup("HEAD", 0, NULL, NULL); |
747ca245 | 1519 | |
68deed29 SB |
1520 | if (use_atomic) |
1521 | execute_commands_atomic(commands, si); | |
1522 | else | |
1523 | execute_commands_non_atomic(commands, si); | |
0a1bc12b | 1524 | |
a6a84319 SB |
1525 | if (shallow_update) |
1526 | warn_if_skipped_connectivity_check(commands, si); | |
575f4974 LT |
1527 | } |
1528 | ||
39895c74 JH |
1529 | static struct command **queue_command(struct command **tail, |
1530 | const char *line, | |
1531 | int linelen) | |
1532 | { | |
9c44ea44 | 1533 | struct object_id old_oid, new_oid; |
39895c74 JH |
1534 | struct command *cmd; |
1535 | const char *refname; | |
1536 | int reflen; | |
9c44ea44 | 1537 | const char *p; |
39895c74 | 1538 | |
9c44ea44 | 1539 | if (parse_oid_hex(line, &old_oid, &p) || |
1540 | *p++ != ' ' || | |
1541 | parse_oid_hex(p, &new_oid, &p) || | |
1542 | *p++ != ' ') | |
39895c74 JH |
1543 | die("protocol error: expected old/new/ref, got '%s'", line); |
1544 | ||
9c44ea44 | 1545 | refname = p; |
1546 | reflen = linelen - (p - line); | |
ddd0bfac | 1547 | FLEX_ALLOC_MEM(cmd, ref_name, refname, reflen); |
9c44ea44 | 1548 | oidcpy(&cmd->old_oid, &old_oid); |
1549 | oidcpy(&cmd->new_oid, &new_oid); | |
39895c74 JH |
1550 | *tail = cmd; |
1551 | return &cmd->next; | |
1552 | } | |
1553 | ||
4adf569d JH |
1554 | static void queue_commands_from_cert(struct command **tail, |
1555 | struct strbuf *push_cert) | |
1556 | { | |
1557 | const char *boc, *eoc; | |
1558 | ||
1559 | if (*tail) | |
1560 | die("protocol error: got both push certificate and unsigned commands"); | |
1561 | ||
1562 | boc = strstr(push_cert->buf, "\n\n"); | |
1563 | if (!boc) | |
1564 | die("malformed push certificate %.*s", 100, push_cert->buf); | |
1565 | else | |
1566 | boc += 2; | |
1567 | eoc = push_cert->buf + parse_signature(push_cert->buf, push_cert->len); | |
1568 | ||
1569 | while (boc < eoc) { | |
1570 | const char *eol = memchr(boc, '\n', eoc - boc); | |
f2214ded | 1571 | tail = queue_command(tail, boc, eol ? eol - boc : eoc - boc); |
4adf569d JH |
1572 | boc = eol ? eol + 1 : eoc; |
1573 | } | |
1574 | } | |
1575 | ||
910650d2 | 1576 | static struct command *read_head_info(struct oid_array *shallow) |
575f4974 | 1577 | { |
5e1c71fd | 1578 | struct command *commands = NULL; |
eb1af2df | 1579 | struct command **p = &commands; |
575f4974 | 1580 | for (;;) { |
74543a04 | 1581 | char *line; |
39895c74 | 1582 | int len, linelen; |
eb1af2df | 1583 | |
74543a04 JK |
1584 | line = packet_read_line(0, &len); |
1585 | if (!line) | |
575f4974 | 1586 | break; |
5dbd7676 | 1587 | |
9c44ea44 | 1588 | if (len > 8 && starts_with(line, "shallow ")) { |
1589 | struct object_id oid; | |
1590 | if (get_oid_hex(line + 8, &oid)) | |
c09b71cc JH |
1591 | die("protocol error: expected shallow sha, got '%s'", |
1592 | line + 8); | |
910650d2 | 1593 | oid_array_append(shallow, &oid); |
5dbd7676 NTND |
1594 | continue; |
1595 | } | |
1596 | ||
0e3c339b JH |
1597 | linelen = strlen(line); |
1598 | if (linelen < len) { | |
1599 | const char *feature_list = line + linelen + 1; | |
f47182c8 | 1600 | if (parse_feature_request(feature_list, "report-status")) |
cfee10a7 | 1601 | report_status = 1; |
f47182c8 | 1602 | if (parse_feature_request(feature_list, "side-band-64k")) |
38a81b4e | 1603 | use_sideband = LARGE_PACKET_MAX; |
c207e34f CB |
1604 | if (parse_feature_request(feature_list, "quiet")) |
1605 | quiet = 1; | |
1b70fe5d RS |
1606 | if (advertise_atomic_push |
1607 | && parse_feature_request(feature_list, "atomic")) | |
1608 | use_atomic = 1; | |
c714e45f SB |
1609 | if (advertise_push_options |
1610 | && parse_feature_request(feature_list, "push-options")) | |
1611 | use_push_options = 1; | |
cfee10a7 | 1612 | } |
0e3c339b | 1613 | |
a85b377d JH |
1614 | if (!strcmp(line, "push-cert")) { |
1615 | int true_flush = 0; | |
1616 | char certbuf[1024]; | |
1617 | ||
1618 | for (;;) { | |
1619 | len = packet_read(0, NULL, NULL, | |
1620 | certbuf, sizeof(certbuf), 0); | |
1621 | if (!len) { | |
1622 | true_flush = 1; | |
1623 | break; | |
1624 | } | |
1625 | if (!strcmp(certbuf, "push-cert-end\n")) | |
1626 | break; /* end of cert */ | |
1627 | strbuf_addstr(&push_cert, certbuf); | |
1628 | } | |
1629 | ||
1630 | if (true_flush) | |
1631 | break; | |
1632 | continue; | |
1633 | } | |
1634 | ||
39895c74 | 1635 | p = queue_command(p, line, linelen); |
575f4974 | 1636 | } |
4adf569d JH |
1637 | |
1638 | if (push_cert.len) | |
1639 | queue_commands_from_cert(p, &push_cert); | |
1640 | ||
5e1c71fd | 1641 | return commands; |
575f4974 LT |
1642 | } |
1643 | ||
c714e45f SB |
1644 | static void read_push_options(struct string_list *options) |
1645 | { | |
1646 | while (1) { | |
1647 | char *line; | |
1648 | int len; | |
1649 | ||
1650 | line = packet_read_line(0, &len); | |
1651 | ||
1652 | if (!line) | |
1653 | break; | |
1654 | ||
1655 | string_list_append(options, line); | |
1656 | } | |
1657 | } | |
1658 | ||
fc04c412 SP |
1659 | static const char *parse_pack_header(struct pack_header *hdr) |
1660 | { | |
a69e5429 JH |
1661 | switch (read_pack_header(0, hdr)) { |
1662 | case PH_ERROR_EOF: | |
1663 | return "eof before pack header was fully read"; | |
1664 | ||
1665 | case PH_ERROR_PACK_SIGNATURE: | |
fc04c412 | 1666 | return "protocol error (pack signature mismatch detected)"; |
a69e5429 JH |
1667 | |
1668 | case PH_ERROR_PROTOCOL: | |
fc04c412 | 1669 | return "protocol error (pack version unsupported)"; |
a69e5429 JH |
1670 | |
1671 | default: | |
1672 | return "unknown error in parse_pack_header"; | |
1673 | ||
1674 | case 0: | |
1675 | return NULL; | |
1676 | } | |
fc04c412 SP |
1677 | } |
1678 | ||
576162a4 NP |
1679 | static const char *pack_lockfile; |
1680 | ||
446d5d91 JK |
1681 | static void push_header_arg(struct argv_array *args, struct pack_header *hdr) |
1682 | { | |
1683 | argv_array_pushf(args, "--pack_header=%"PRIu32",%"PRIu32, | |
1684 | ntohl(hdr->hdr_version), ntohl(hdr->hdr_entries)); | |
1685 | } | |
1686 | ||
5dbd7676 | 1687 | static const char *unpack(int err_fd, struct shallow_info *si) |
575f4974 | 1688 | { |
fc04c412 SP |
1689 | struct pack_header hdr; |
1690 | const char *hdr_err; | |
31c42bff | 1691 | int status; |
d3180279 | 1692 | struct child_process child = CHILD_PROCESS_INIT; |
dab76d3a JH |
1693 | int fsck_objects = (receive_fsck_objects >= 0 |
1694 | ? receive_fsck_objects | |
1695 | : transfer_fsck_objects >= 0 | |
1696 | ? transfer_fsck_objects | |
1697 | : 0); | |
fc04c412 SP |
1698 | |
1699 | hdr_err = parse_pack_header(&hdr); | |
49ecfa13 JK |
1700 | if (hdr_err) { |
1701 | if (err_fd > 0) | |
1702 | close(err_fd); | |
fc04c412 | 1703 | return hdr_err; |
49ecfa13 | 1704 | } |
fc04c412 | 1705 | |
5dbd7676 NTND |
1706 | if (si->nr_ours || si->nr_theirs) { |
1707 | alt_shallow_file = setup_temporary_shallow(si->shallow); | |
64a7e92f RS |
1708 | argv_array_push(&child.args, "--shallow-file"); |
1709 | argv_array_push(&child.args, alt_shallow_file); | |
5dbd7676 NTND |
1710 | } |
1711 | ||
722ff7f8 | 1712 | tmp_objdir = tmp_objdir_create(); |
6cdad1f1 JK |
1713 | if (!tmp_objdir) { |
1714 | if (err_fd > 0) | |
1715 | close(err_fd); | |
722ff7f8 | 1716 | return "unable to create temporary object directory"; |
6cdad1f1 | 1717 | } |
722ff7f8 JK |
1718 | child.env = tmp_objdir_env(tmp_objdir); |
1719 | ||
1720 | /* | |
1721 | * Normally we just pass the tmp_objdir environment to the child | |
1722 | * processes that do the heavy lifting, but we may need to see these | |
1723 | * objects ourselves to set up shallow information. | |
1724 | */ | |
1725 | tmp_objdir_add_as_alternate(tmp_objdir); | |
1726 | ||
fc04c412 | 1727 | if (ntohl(hdr.hdr_entries) < unpack_limit) { |
446d5d91 JK |
1728 | argv_array_push(&child.args, "unpack-objects"); |
1729 | push_header_arg(&child.args, &hdr); | |
c207e34f | 1730 | if (quiet) |
64a7e92f | 1731 | argv_array_push(&child.args, "-q"); |
dab76d3a | 1732 | if (fsck_objects) |
5d477a33 JS |
1733 | argv_array_pushf(&child.args, "--strict%s", |
1734 | fsck_msg_types.buf); | |
c08db5a2 JK |
1735 | if (max_input_size) |
1736 | argv_array_pushf(&child.args, "--max-input-size=%"PRIuMAX, | |
1737 | (uintmax_t)max_input_size); | |
59bfdfb8 | 1738 | child.no_stdout = 1; |
a22e6f85 | 1739 | child.err = err_fd; |
59bfdfb8 | 1740 | child.git_cmd = 1; |
31c42bff NTND |
1741 | status = run_command(&child); |
1742 | if (status) | |
1743 | return "unpack-objects abnormal exit"; | |
576162a4 | 1744 | } else { |
da25bdb7 | 1745 | char hostname[HOST_NAME_MAX + 1]; |
576162a4 | 1746 | |
446d5d91 JK |
1747 | argv_array_pushl(&child.args, "index-pack", "--stdin", NULL); |
1748 | push_header_arg(&child.args, &hdr); | |
b26cb7c7 | 1749 | |
5781a9a2 | 1750 | if (xgethostname(hostname, sizeof(hostname))) |
b26cb7c7 JK |
1751 | xsnprintf(hostname, sizeof(hostname), "localhost"); |
1752 | argv_array_pushf(&child.args, | |
1753 | "--keep=receive-pack %"PRIuMAX" on %s", | |
1754 | (uintmax_t)getpid(), | |
1755 | hostname); | |
1756 | ||
d06303bb JK |
1757 | if (!quiet && err_fd) |
1758 | argv_array_push(&child.args, "--show-resolving-progress"); | |
83558686 JK |
1759 | if (use_sideband) |
1760 | argv_array_push(&child.args, "--report-end-of-input"); | |
dab76d3a | 1761 | if (fsck_objects) |
5d477a33 JS |
1762 | argv_array_pushf(&child.args, "--strict%s", |
1763 | fsck_msg_types.buf); | |
1b68387e | 1764 | if (!reject_thin) |
64a7e92f | 1765 | argv_array_push(&child.args, "--fix-thin"); |
c08db5a2 JK |
1766 | if (max_input_size) |
1767 | argv_array_pushf(&child.args, "--max-input-size=%"PRIuMAX, | |
1768 | (uintmax_t)max_input_size); | |
31c42bff NTND |
1769 | child.out = -1; |
1770 | child.err = err_fd; | |
1771 | child.git_cmd = 1; | |
1772 | status = start_command(&child); | |
1773 | if (status) | |
576162a4 | 1774 | return "index-pack fork failed"; |
31c42bff NTND |
1775 | pack_lockfile = index_pack_lockfile(child.out); |
1776 | close(child.out); | |
1777 | status = finish_command(&child); | |
1778 | if (status) | |
1779 | return "index-pack abnormal exit"; | |
1780 | reprepare_packed_git(); | |
cfee10a7 | 1781 | } |
31c42bff | 1782 | return NULL; |
cfee10a7 JH |
1783 | } |
1784 | ||
5dbd7676 | 1785 | static const char *unpack_with_sideband(struct shallow_info *si) |
a22e6f85 JK |
1786 | { |
1787 | struct async muxer; | |
1788 | const char *ret; | |
1789 | ||
1790 | if (!use_sideband) | |
5dbd7676 | 1791 | return unpack(0, si); |
a22e6f85 | 1792 | |
83558686 | 1793 | use_keepalive = KEEPALIVE_AFTER_NUL; |
a22e6f85 JK |
1794 | memset(&muxer, 0, sizeof(muxer)); |
1795 | muxer.proc = copy_to_sideband; | |
1796 | muxer.in = -1; | |
1797 | if (start_async(&muxer)) | |
1798 | return NULL; | |
1799 | ||
5dbd7676 | 1800 | ret = unpack(muxer.in, si); |
a22e6f85 JK |
1801 | |
1802 | finish_async(&muxer); | |
1803 | return ret; | |
1804 | } | |
1805 | ||
0a1bc12b NTND |
1806 | static void prepare_shallow_update(struct command *commands, |
1807 | struct shallow_info *si) | |
1808 | { | |
42c78a21 | 1809 | int i, j, k, bitmap_size = DIV_ROUND_UP(si->ref->nr, 32); |
0a1bc12b | 1810 | |
b32fa95f | 1811 | ALLOC_ARRAY(si->used_shallow, si->shallow->nr); |
0a1bc12b NTND |
1812 | assign_shallow_commits_to_refs(si, si->used_shallow, NULL); |
1813 | ||
1814 | si->need_reachability_test = | |
1815 | xcalloc(si->shallow->nr, sizeof(*si->need_reachability_test)); | |
1816 | si->reachable = | |
1817 | xcalloc(si->shallow->nr, sizeof(*si->reachable)); | |
1818 | si->shallow_ref = xcalloc(si->ref->nr, sizeof(*si->shallow_ref)); | |
1819 | ||
1820 | for (i = 0; i < si->nr_ours; i++) | |
1821 | si->need_reachability_test[si->ours[i]] = 1; | |
1822 | ||
1823 | for (i = 0; i < si->shallow->nr; i++) { | |
1824 | if (!si->used_shallow[i]) | |
1825 | continue; | |
1826 | for (j = 0; j < bitmap_size; j++) { | |
1827 | if (!si->used_shallow[i][j]) | |
1828 | continue; | |
1829 | si->need_reachability_test[i]++; | |
1830 | for (k = 0; k < 32; k++) | |
9a93c668 | 1831 | if (si->used_shallow[i][j] & (1U << k)) |
0a1bc12b NTND |
1832 | si->shallow_ref[j * 32 + k]++; |
1833 | } | |
1834 | ||
1835 | /* | |
1836 | * true for those associated with some refs and belong | |
1837 | * in "ours" list aka "step 7 not done yet" | |
1838 | */ | |
1839 | si->need_reachability_test[i] = | |
1840 | si->need_reachability_test[i] > 1; | |
1841 | } | |
1842 | ||
1843 | /* | |
1844 | * keep hooks happy by forcing a temporary shallow file via | |
1845 | * env variable because we can't add --shallow-file to every | |
1846 | * command. check_everything_connected() will be done with | |
1847 | * true .git/shallow though. | |
1848 | */ | |
1849 | setenv(GIT_SHALLOW_FILE_ENVIRONMENT, alt_shallow_file, 1); | |
1850 | } | |
1851 | ||
5dbd7676 NTND |
1852 | static void update_shallow_info(struct command *commands, |
1853 | struct shallow_info *si, | |
910650d2 | 1854 | struct oid_array *ref) |
5dbd7676 NTND |
1855 | { |
1856 | struct command *cmd; | |
1857 | int *ref_status; | |
1858 | remove_nonexistent_theirs_shallow(si); | |
0a1bc12b NTND |
1859 | if (!si->nr_ours && !si->nr_theirs) { |
1860 | shallow_update = 0; | |
5dbd7676 | 1861 | return; |
0a1bc12b | 1862 | } |
5dbd7676 NTND |
1863 | |
1864 | for (cmd = commands; cmd; cmd = cmd->next) { | |
9c44ea44 | 1865 | if (is_null_oid(&cmd->new_oid)) |
5dbd7676 | 1866 | continue; |
910650d2 | 1867 | oid_array_append(ref, &cmd->new_oid); |
5dbd7676 NTND |
1868 | cmd->index = ref->nr - 1; |
1869 | } | |
1870 | si->ref = ref; | |
1871 | ||
0a1bc12b NTND |
1872 | if (shallow_update) { |
1873 | prepare_shallow_update(commands, si); | |
1874 | return; | |
1875 | } | |
1876 | ||
b32fa95f | 1877 | ALLOC_ARRAY(ref_status, ref->nr); |
5dbd7676 NTND |
1878 | assign_shallow_commits_to_refs(si, NULL, ref_status); |
1879 | for (cmd = commands; cmd; cmd = cmd->next) { | |
9c44ea44 | 1880 | if (is_null_oid(&cmd->new_oid)) |
5dbd7676 NTND |
1881 | continue; |
1882 | if (ref_status[cmd->index]) { | |
1883 | cmd->error_string = "shallow update not allowed"; | |
1884 | cmd->skip_update = 1; | |
1885 | } | |
1886 | } | |
5dbd7676 NTND |
1887 | free(ref_status); |
1888 | } | |
1889 | ||
5e1c71fd | 1890 | static void report(struct command *commands, const char *unpack_status) |
cfee10a7 JH |
1891 | { |
1892 | struct command *cmd; | |
38a81b4e SP |
1893 | struct strbuf buf = STRBUF_INIT; |
1894 | ||
1895 | packet_buf_write(&buf, "unpack %s\n", | |
1896 | unpack_status ? unpack_status : "ok"); | |
cfee10a7 JH |
1897 | for (cmd = commands; cmd; cmd = cmd->next) { |
1898 | if (!cmd->error_string) | |
38a81b4e SP |
1899 | packet_buf_write(&buf, "ok %s\n", |
1900 | cmd->ref_name); | |
cfee10a7 | 1901 | else |
38a81b4e SP |
1902 | packet_buf_write(&buf, "ng %s %s\n", |
1903 | cmd->ref_name, cmd->error_string); | |
575f4974 | 1904 | } |
38a81b4e SP |
1905 | packet_buf_flush(&buf); |
1906 | ||
1907 | if (use_sideband) | |
1908 | send_sideband(1, 1, buf.buf, buf.len, use_sideband); | |
1909 | else | |
cdf4fb8e | 1910 | write_or_die(1, buf.buf, buf.len); |
38a81b4e | 1911 | strbuf_release(&buf); |
575f4974 LT |
1912 | } |
1913 | ||
5e1c71fd | 1914 | static int delete_only(struct command *commands) |
d4f694ba | 1915 | { |
5e1c71fd JS |
1916 | struct command *cmd; |
1917 | for (cmd = commands; cmd; cmd = cmd->next) { | |
9c44ea44 | 1918 | if (!is_null_oid(&cmd->new_oid)) |
d4f694ba | 1919 | return 0; |
d4f694ba JH |
1920 | } |
1921 | return 1; | |
1922 | } | |
1923 | ||
be5908ae | 1924 | int cmd_receive_pack(int argc, const char **argv, const char *prefix) |
575f4974 | 1925 | { |
42526b47 | 1926 | int advertise_refs = 0; |
5e1c71fd | 1927 | struct command *commands; |
910650d2 | 1928 | struct oid_array shallow = OID_ARRAY_INIT; |
1929 | struct oid_array ref = OID_ARRAY_INIT; | |
5dbd7676 | 1930 | struct shallow_info si; |
575f4974 | 1931 | |
1b68387e SS |
1932 | struct option options[] = { |
1933 | OPT__QUIET(&quiet, N_("quiet")), | |
1934 | OPT_HIDDEN_BOOL(0, "stateless-rpc", &stateless_rpc, NULL), | |
1935 | OPT_HIDDEN_BOOL(0, "advertise-refs", &advertise_refs, NULL), | |
1936 | OPT_HIDDEN_BOOL(0, "reject-thin-pack-for-testing", &reject_thin, NULL), | |
1937 | OPT_END() | |
1938 | }; | |
bbc30f99 | 1939 | |
1b68387e | 1940 | packet_trace_identity("receive-pack"); |
575f4974 | 1941 | |
1b68387e | 1942 | argc = parse_options(argc, argv, prefix, options, receive_pack_usage, 0); |
c207e34f | 1943 | |
1b68387e SS |
1944 | if (argc > 1) |
1945 | usage_msg_opt(_("Too many arguments."), receive_pack_usage, options); | |
1946 | if (argc == 0) | |
1947 | usage_msg_opt(_("You must specify a directory."), receive_pack_usage, options); | |
42526b47 | 1948 | |
1b68387e | 1949 | service_dir = argv[0]; |
575f4974 | 1950 | |
e1464ca7 | 1951 | setup_path(); |
5c09f321 | 1952 | |
5732373d JH |
1953 | if (!enter_repo(service_dir, 0)) |
1954 | die("'%s' does not appear to be a git repository", service_dir); | |
575f4974 | 1955 | |
ef90d6d4 | 1956 | git_config(receive_pack_config, NULL); |
b89363e4 | 1957 | if (cert_nonce_seed) |
5732373d | 1958 | push_cert_nonce = prepare_push_cert_nonce(service_dir, time(NULL)); |
6fb75bed | 1959 | |
e28714c5 JH |
1960 | if (0 <= transfer_unpack_limit) |
1961 | unpack_limit = transfer_unpack_limit; | |
1962 | else if (0 <= receive_unpack_limit) | |
1963 | unpack_limit = receive_unpack_limit; | |
1964 | ||
aa9bab29 BW |
1965 | switch (determine_protocol_version_server()) { |
1966 | case protocol_v1: | |
1967 | /* | |
1968 | * v1 is just the original protocol with a version string, | |
1969 | * so just fall through after writing the version string. | |
1970 | */ | |
1971 | if (advertise_refs || !stateless_rpc) | |
1972 | packet_write_fmt(1, "version 1\n"); | |
1973 | ||
1974 | /* fallthrough */ | |
1975 | case protocol_v0: | |
1976 | break; | |
1977 | case protocol_unknown_version: | |
1978 | BUG("unknown protocol version"); | |
1979 | } | |
1980 | ||
42526b47 | 1981 | if (advertise_refs || !stateless_rpc) { |
42526b47 | 1982 | write_head_info(); |
42526b47 SP |
1983 | } |
1984 | if (advertise_refs) | |
1985 | return 0; | |
575f4974 | 1986 | |
5dbd7676 | 1987 | if ((commands = read_head_info(&shallow)) != NULL) { |
d4f694ba | 1988 | const char *unpack_status = NULL; |
77a9745d | 1989 | struct string_list push_options = STRING_LIST_INIT_DUP; |
d4f694ba | 1990 | |
c714e45f SB |
1991 | if (use_push_options) |
1992 | read_push_options(&push_options); | |
cbaf82cc JT |
1993 | if (!check_cert_push_options(&push_options)) { |
1994 | struct command *cmd; | |
1995 | for (cmd = commands; cmd; cmd = cmd->next) | |
1996 | cmd->error_string = "inconsistent push options"; | |
1997 | } | |
c714e45f | 1998 | |
5dbd7676 | 1999 | prepare_shallow_info(&si, &shallow); |
0a1bc12b NTND |
2000 | if (!si.nr_ours && !si.nr_theirs) |
2001 | shallow_update = 0; | |
5dbd7676 NTND |
2002 | if (!delete_only(commands)) { |
2003 | unpack_status = unpack_with_sideband(&si); | |
2004 | update_shallow_info(commands, &si, &ref); | |
2005 | } | |
83558686 | 2006 | use_keepalive = KEEPALIVE_ALWAYS; |
77a9745d SB |
2007 | execute_commands(commands, unpack_status, &si, |
2008 | &push_options); | |
576162a4 | 2009 | if (pack_lockfile) |
691f1a28 | 2010 | unlink_or_warn(pack_lockfile); |
cfee10a7 | 2011 | if (report_status) |
5e1c71fd | 2012 | report(commands, unpack_status); |
77a9745d SB |
2013 | run_receive_hook(commands, "post-receive", 1, |
2014 | &push_options); | |
8e663d9e | 2015 | run_update_post_hook(commands); |
4432dd6b | 2016 | string_list_clear(&push_options, 0); |
77e3efbf JH |
2017 | if (auto_gc) { |
2018 | const char *argv_gc_auto[] = { | |
2019 | "gc", "--auto", "--quiet", NULL, | |
2020 | }; | |
860a2ebe LF |
2021 | struct child_process proc = CHILD_PROCESS_INIT; |
2022 | ||
2023 | proc.no_stdin = 1; | |
2024 | proc.stdout_to_stderr = 1; | |
2025 | proc.err = use_sideband ? -1 : 0; | |
2026 | proc.git_cmd = 1; | |
2027 | proc.argv = argv_gc_auto; | |
2028 | ||
d0b59866 | 2029 | close_all_packs(the_repository->objects); |
860a2ebe LF |
2030 | if (!start_command(&proc)) { |
2031 | if (use_sideband) | |
2032 | copy_to_sideband(proc.err, -1, NULL); | |
2033 | finish_command(&proc); | |
2034 | } | |
77e3efbf JH |
2035 | } |
2036 | if (auto_update_server_info) | |
2037 | update_server_info(0); | |
5dbd7676 | 2038 | clear_shallow_info(&si); |
7f8e9828 | 2039 | } |
38a81b4e SP |
2040 | if (use_sideband) |
2041 | packet_flush(1); | |
910650d2 | 2042 | oid_array_clear(&shallow); |
2043 | oid_array_clear(&ref); | |
b89363e4 | 2044 | free((void *)push_cert_nonce); |
575f4974 LT |
2045 | return 0; |
2046 | } |