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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" |
575f4974 | 27 | |
1b68387e SS |
28 | static const char * const receive_pack_usage[] = { |
29 | N_("git receive-pack <git-dir>"), | |
30 | NULL | |
31 | }; | |
575f4974 | 32 | |
986e8239 | 33 | enum deny_action { |
3d95d92b | 34 | DENY_UNCONFIGURED, |
986e8239 JK |
35 | DENY_IGNORE, |
36 | DENY_WARN, | |
1404bcbb JS |
37 | DENY_REFUSE, |
38 | DENY_UPDATE_INSTEAD | |
986e8239 JK |
39 | }; |
40 | ||
1b53a076 JH |
41 | static int deny_deletes; |
42 | static int deny_non_fast_forwards; | |
3d95d92b | 43 | static enum deny_action deny_current_branch = DENY_UNCONFIGURED; |
747ca245 | 44 | static enum deny_action deny_delete_current = DENY_UNCONFIGURED; |
dab76d3a JH |
45 | static int receive_fsck_objects = -1; |
46 | static int transfer_fsck_objects = -1; | |
5d477a33 | 47 | static struct strbuf fsck_msg_types = STRBUF_INIT; |
e28714c5 JH |
48 | static int receive_unpack_limit = -1; |
49 | static int transfer_unpack_limit = -1; | |
1b70fe5d | 50 | static int advertise_atomic_push = 1; |
c714e45f | 51 | static int advertise_push_options; |
46732fae | 52 | static int unpack_limit = 100; |
c08db5a2 | 53 | static off_t max_input_size; |
96f1e58f | 54 | static int report_status; |
38a81b4e | 55 | static int use_sideband; |
68deed29 | 56 | static int use_atomic; |
c714e45f | 57 | static int use_push_options; |
c207e34f | 58 | static int quiet; |
b74fce16 | 59 | static int prefer_ofs_delta = 1; |
77e3efbf JH |
60 | static int auto_update_server_info; |
61 | static int auto_gc = 1; | |
1b68387e | 62 | static int reject_thin; |
5732373d JH |
63 | static int stateless_rpc; |
64 | static const char *service_dir; | |
747ca245 | 65 | static const char *head_name; |
96ec7b1e | 66 | static void *head_name_to_free; |
185c04e0 | 67 | static int sent_capabilities; |
0a1bc12b | 68 | static int shallow_update; |
5dbd7676 | 69 | static const char *alt_shallow_file; |
a85b377d JH |
70 | static struct strbuf push_cert = STRBUF_INIT; |
71 | static unsigned char push_cert_sha1[20]; | |
d05b9618 | 72 | static struct signature_check sigcheck; |
b89363e4 JH |
73 | static const char *push_cert_nonce; |
74 | static const char *cert_nonce_seed; | |
75 | ||
76 | static const char *NONCE_UNSOLICITED = "UNSOLICITED"; | |
77 | static const char *NONCE_BAD = "BAD"; | |
78 | static const char *NONCE_MISSING = "MISSING"; | |
79 | static const char *NONCE_OK = "OK"; | |
5732373d | 80 | static const char *NONCE_SLOP = "SLOP"; |
b89363e4 | 81 | static const char *nonce_status; |
5732373d | 82 | static long nonce_stamp_slop; |
dddbad72 | 83 | static timestamp_t nonce_stamp_slop_limit; |
222368c6 | 84 | static struct ref_transaction *transaction; |
cfee10a7 | 85 | |
83558686 JK |
86 | static enum { |
87 | KEEPALIVE_NEVER = 0, | |
88 | KEEPALIVE_AFTER_NUL, | |
89 | KEEPALIVE_ALWAYS | |
90 | } use_keepalive; | |
91 | static int keepalive_in_sec = 5; | |
92 | ||
722ff7f8 JK |
93 | static struct tmp_objdir *tmp_objdir; |
94 | ||
986e8239 JK |
95 | static enum deny_action parse_deny_action(const char *var, const char *value) |
96 | { | |
97 | if (value) { | |
98 | if (!strcasecmp(value, "ignore")) | |
99 | return DENY_IGNORE; | |
100 | if (!strcasecmp(value, "warn")) | |
101 | return DENY_WARN; | |
102 | if (!strcasecmp(value, "refuse")) | |
103 | return DENY_REFUSE; | |
1404bcbb JS |
104 | if (!strcasecmp(value, "updateinstead")) |
105 | return DENY_UPDATE_INSTEAD; | |
986e8239 JK |
106 | } |
107 | if (git_config_bool(var, value)) | |
108 | return DENY_REFUSE; | |
109 | return DENY_IGNORE; | |
110 | } | |
111 | ||
ef90d6d4 | 112 | static int receive_pack_config(const char *var, const char *value, void *cb) |
6fb75bed | 113 | { |
daebaa78 JH |
114 | int status = parse_hide_refs_config(var, value, "receive"); |
115 | ||
116 | if (status) | |
117 | return status; | |
118 | ||
a240de11 JK |
119 | if (strcmp(var, "receive.denydeletes") == 0) { |
120 | deny_deletes = git_config_bool(var, value); | |
121 | return 0; | |
122 | } | |
123 | ||
e28714c5 | 124 | if (strcmp(var, "receive.denynonfastforwards") == 0) { |
6fb75bed SP |
125 | deny_non_fast_forwards = git_config_bool(var, value); |
126 | return 0; | |
127 | } | |
128 | ||
e28714c5 JH |
129 | if (strcmp(var, "receive.unpacklimit") == 0) { |
130 | receive_unpack_limit = git_config_int(var, value); | |
fc04c412 SP |
131 | return 0; |
132 | } | |
133 | ||
e28714c5 JH |
134 | if (strcmp(var, "transfer.unpacklimit") == 0) { |
135 | transfer_unpack_limit = git_config_int(var, value); | |
136 | return 0; | |
137 | } | |
138 | ||
cd94c6f9 JS |
139 | if (strcmp(var, "receive.fsck.skiplist") == 0) { |
140 | const char *path; | |
141 | ||
142 | if (git_config_pathname(&path, var, value)) | |
143 | return 1; | |
144 | strbuf_addf(&fsck_msg_types, "%cskiplist=%s", | |
145 | fsck_msg_types.len ? ',' : '=', path); | |
146 | free((char *)path); | |
147 | return 0; | |
148 | } | |
149 | ||
5d477a33 JS |
150 | if (skip_prefix(var, "receive.fsck.", &var)) { |
151 | if (is_valid_msg_type(var, value)) | |
152 | strbuf_addf(&fsck_msg_types, "%c%s=%s", | |
153 | fsck_msg_types.len ? ',' : '=', var, value); | |
154 | else | |
155 | warning("Skipping unknown msg id '%s'", var); | |
156 | return 0; | |
157 | } | |
158 | ||
20dc0016 MK |
159 | if (strcmp(var, "receive.fsckobjects") == 0) { |
160 | receive_fsck_objects = git_config_bool(var, value); | |
161 | return 0; | |
162 | } | |
163 | ||
dab76d3a JH |
164 | if (strcmp(var, "transfer.fsckobjects") == 0) { |
165 | transfer_fsck_objects = git_config_bool(var, value); | |
166 | return 0; | |
167 | } | |
168 | ||
986e8239 JK |
169 | if (!strcmp(var, "receive.denycurrentbranch")) { |
170 | deny_current_branch = parse_deny_action(var, value); | |
171 | return 0; | |
172 | } | |
173 | ||
747ca245 JH |
174 | if (strcmp(var, "receive.denydeletecurrent") == 0) { |
175 | deny_delete_current = parse_deny_action(var, value); | |
176 | return 0; | |
177 | } | |
178 | ||
b74fce16 NP |
179 | if (strcmp(var, "repack.usedeltabaseoffset") == 0) { |
180 | prefer_ofs_delta = git_config_bool(var, value); | |
181 | return 0; | |
182 | } | |
183 | ||
77e3efbf JH |
184 | if (strcmp(var, "receive.updateserverinfo") == 0) { |
185 | auto_update_server_info = git_config_bool(var, value); | |
186 | return 0; | |
187 | } | |
188 | ||
189 | if (strcmp(var, "receive.autogc") == 0) { | |
190 | auto_gc = git_config_bool(var, value); | |
191 | return 0; | |
192 | } | |
193 | ||
0a1bc12b NTND |
194 | if (strcmp(var, "receive.shallowupdate") == 0) { |
195 | shallow_update = git_config_bool(var, value); | |
196 | return 0; | |
197 | } | |
198 | ||
b89363e4 JH |
199 | if (strcmp(var, "receive.certnonceseed") == 0) |
200 | return git_config_string(&cert_nonce_seed, var, value); | |
a85b377d | 201 | |
5732373d JH |
202 | if (strcmp(var, "receive.certnonceslop") == 0) { |
203 | nonce_stamp_slop_limit = git_config_ulong(var, value); | |
204 | return 0; | |
205 | } | |
206 | ||
1b70fe5d RS |
207 | if (strcmp(var, "receive.advertiseatomic") == 0) { |
208 | advertise_atomic_push = git_config_bool(var, value); | |
209 | return 0; | |
210 | } | |
211 | ||
c714e45f SB |
212 | if (strcmp(var, "receive.advertisepushoptions") == 0) { |
213 | advertise_push_options = git_config_bool(var, value); | |
214 | return 0; | |
215 | } | |
216 | ||
83558686 JK |
217 | if (strcmp(var, "receive.keepalive") == 0) { |
218 | keepalive_in_sec = git_config_int(var, value); | |
219 | return 0; | |
220 | } | |
221 | ||
c08db5a2 JK |
222 | if (strcmp(var, "receive.maxinputsize") == 0) { |
223 | max_input_size = git_config_int64(var, value); | |
224 | return 0; | |
225 | } | |
226 | ||
ef90d6d4 | 227 | return git_default_config(var, value, cb); |
6fb75bed SP |
228 | } |
229 | ||
1b7ba794 | 230 | static void show_ref(const char *path, const struct object_id *oid) |
575f4974 | 231 | { |
52d2ae58 | 232 | if (sent_capabilities) { |
1b7ba794 | 233 | packet_write_fmt(1, "%s %s\n", oid_to_hex(oid), path); |
52d2ae58 JH |
234 | } else { |
235 | struct strbuf cap = STRBUF_INIT; | |
236 | ||
237 | strbuf_addstr(&cap, | |
238 | "report-status delete-refs side-band-64k quiet"); | |
1b70fe5d RS |
239 | if (advertise_atomic_push) |
240 | strbuf_addstr(&cap, " atomic"); | |
52d2ae58 JH |
241 | if (prefer_ofs_delta) |
242 | strbuf_addstr(&cap, " ofs-delta"); | |
b89363e4 JH |
243 | if (push_cert_nonce) |
244 | strbuf_addf(&cap, " push-cert=%s", push_cert_nonce); | |
c714e45f SB |
245 | if (advertise_push_options) |
246 | strbuf_addstr(&cap, " push-options"); | |
52d2ae58 | 247 | strbuf_addf(&cap, " agent=%s", git_user_agent_sanitized()); |
81c634e9 | 248 | packet_write_fmt(1, "%s %s%c%s\n", |
1b7ba794 | 249 | oid_to_hex(oid), path, 0, cap.buf); |
52d2ae58 JH |
250 | strbuf_release(&cap); |
251 | sent_capabilities = 1; | |
252 | } | |
575f4974 LT |
253 | } |
254 | ||
78a766ab | 255 | static int show_ref_cb(const char *path_full, const struct object_id *oid, |
8b24b9e7 | 256 | int flag, void *data) |
6b01ecfe | 257 | { |
8b24b9e7 | 258 | struct oidset *seen = data; |
78a766ab LF |
259 | const char *path = strip_namespace(path_full); |
260 | ||
261 | if (ref_is_hidden(path, path_full)) | |
262 | return 0; | |
263 | ||
6b01ecfe JT |
264 | /* |
265 | * Advertise refs outside our current namespace as ".have" | |
266 | * refs, so that the client can use them to minimize data | |
fea6c47f | 267 | * transfer but will otherwise ignore them. |
6b01ecfe | 268 | */ |
8b24b9e7 JK |
269 | if (!path) { |
270 | if (oidset_insert(seen, oid)) | |
271 | return 0; | |
6b01ecfe | 272 | path = ".have"; |
63d428e6 JK |
273 | } else { |
274 | oidset_insert(seen, oid); | |
8b24b9e7 | 275 | } |
1b7ba794 | 276 | show_ref(path, oid); |
bc98201d | 277 | return 0; |
6b01ecfe JT |
278 | } |
279 | ||
ab6eea6f JK |
280 | static void show_one_alternate_ref(const char *refname, |
281 | const struct object_id *oid, | |
282 | void *data) | |
b7a025d9 | 283 | { |
ab6eea6f | 284 | struct oidset *seen = data; |
b7a025d9 | 285 | |
ab6eea6f JK |
286 | if (oidset_insert(seen, oid)) |
287 | return; | |
288 | ||
1b7ba794 | 289 | show_ref(".have", oid); |
6b01ecfe JT |
290 | } |
291 | ||
8a65ff76 | 292 | static void write_head_info(void) |
575f4974 | 293 | { |
ab6eea6f | 294 | static struct oidset seen = OIDSET_INIT; |
2b2a5be3 | 295 | |
63d428e6 | 296 | for_each_ref(show_ref_cb, &seen); |
ab6eea6f JK |
297 | for_each_alternate_ref(show_one_alternate_ref, &seen); |
298 | oidset_clear(&seen); | |
185c04e0 | 299 | if (!sent_capabilities) |
1b7ba794 | 300 | show_ref("capabilities^{}", &null_oid); |
cfee10a7 | 301 | |
ad491366 NTND |
302 | advertise_shallow_grafts(1); |
303 | ||
b7a025d9 MH |
304 | /* EOF */ |
305 | packet_flush(1); | |
575f4974 LT |
306 | } |
307 | ||
eb1af2df LT |
308 | struct command { |
309 | struct command *next; | |
cfee10a7 | 310 | const char *error_string; |
160b81ed PYH |
311 | unsigned int skip_update:1, |
312 | did_not_exist:1; | |
5dbd7676 | 313 | int index; |
9c44ea44 | 314 | struct object_id old_oid; |
315 | struct object_id new_oid; | |
8f1d2e6f | 316 | char ref_name[FLEX_ARRAY]; /* more */ |
575f4974 LT |
317 | }; |
318 | ||
466dbc42 SP |
319 | static void rp_error(const char *err, ...) __attribute__((format (printf, 1, 2))); |
320 | static void rp_warning(const char *err, ...) __attribute__((format (printf, 1, 2))); | |
321 | ||
322 | static void report_message(const char *prefix, const char *err, va_list params) | |
323 | { | |
b7115a35 | 324 | int sz; |
466dbc42 SP |
325 | char msg[4096]; |
326 | ||
b7115a35 | 327 | sz = xsnprintf(msg, sizeof(msg), "%s", prefix); |
466dbc42 SP |
328 | sz += vsnprintf(msg + sz, sizeof(msg) - sz, err, params); |
329 | if (sz > (sizeof(msg) - 1)) | |
330 | sz = sizeof(msg) - 1; | |
331 | msg[sz++] = '\n'; | |
332 | ||
333 | if (use_sideband) | |
334 | send_sideband(1, 2, msg, sz, use_sideband); | |
335 | else | |
336 | xwrite(2, msg, sz); | |
337 | } | |
338 | ||
339 | static void rp_warning(const char *err, ...) | |
340 | { | |
341 | va_list params; | |
342 | va_start(params, err); | |
343 | report_message("warning: ", err, params); | |
344 | va_end(params); | |
345 | } | |
346 | ||
347 | static void rp_error(const char *err, ...) | |
348 | { | |
349 | va_list params; | |
350 | va_start(params, err); | |
351 | report_message("error: ", err, params); | |
352 | va_end(params); | |
353 | } | |
354 | ||
6d525d38 SP |
355 | static int copy_to_sideband(int in, int out, void *arg) |
356 | { | |
357 | char data[128]; | |
83558686 JK |
358 | int keepalive_active = 0; |
359 | ||
360 | if (keepalive_in_sec <= 0) | |
361 | use_keepalive = KEEPALIVE_NEVER; | |
362 | if (use_keepalive == KEEPALIVE_ALWAYS) | |
363 | keepalive_active = 1; | |
364 | ||
6d525d38 | 365 | while (1) { |
83558686 JK |
366 | ssize_t sz; |
367 | ||
368 | if (keepalive_active) { | |
369 | struct pollfd pfd; | |
370 | int ret; | |
371 | ||
372 | pfd.fd = in; | |
373 | pfd.events = POLLIN; | |
374 | ret = poll(&pfd, 1, 1000 * keepalive_in_sec); | |
375 | ||
376 | if (ret < 0) { | |
377 | if (errno == EINTR) | |
378 | continue; | |
379 | else | |
380 | break; | |
381 | } else if (ret == 0) { | |
382 | /* no data; send a keepalive packet */ | |
383 | static const char buf[] = "0005\1"; | |
384 | write_or_die(1, buf, sizeof(buf) - 1); | |
385 | continue; | |
386 | } /* else there is actual data to read */ | |
387 | } | |
388 | ||
389 | sz = xread(in, data, sizeof(data)); | |
6d525d38 SP |
390 | if (sz <= 0) |
391 | break; | |
83558686 JK |
392 | |
393 | if (use_keepalive == KEEPALIVE_AFTER_NUL && !keepalive_active) { | |
394 | const char *p = memchr(data, '\0', sz); | |
395 | if (p) { | |
396 | /* | |
397 | * The NUL tells us to start sending keepalives. Make | |
398 | * sure we send any other data we read along | |
399 | * with it. | |
400 | */ | |
401 | keepalive_active = 1; | |
402 | send_sideband(1, 2, data, p - data, use_sideband); | |
403 | send_sideband(1, 2, p + 1, sz - (p - data + 1), use_sideband); | |
404 | continue; | |
405 | } | |
406 | } | |
407 | ||
408 | /* | |
409 | * Either we're not looking for a NUL signal, or we didn't see | |
410 | * it yet; just pass along the data. | |
411 | */ | |
6d525d38 SP |
412 | send_sideband(1, 2, data, sz, use_sideband); |
413 | } | |
414 | close(in); | |
415 | return 0; | |
416 | } | |
417 | ||
b89363e4 JH |
418 | #define HMAC_BLOCK_SIZE 64 |
419 | ||
6f5ef44e | 420 | static void hmac_sha1(unsigned char *out, |
b89363e4 JH |
421 | const char *key_in, size_t key_len, |
422 | const char *text, size_t text_len) | |
423 | { | |
424 | unsigned char key[HMAC_BLOCK_SIZE]; | |
425 | unsigned char k_ipad[HMAC_BLOCK_SIZE]; | |
426 | unsigned char k_opad[HMAC_BLOCK_SIZE]; | |
427 | int i; | |
428 | git_SHA_CTX ctx; | |
429 | ||
430 | /* RFC 2104 2. (1) */ | |
431 | memset(key, '\0', HMAC_BLOCK_SIZE); | |
432 | if (HMAC_BLOCK_SIZE < key_len) { | |
433 | git_SHA1_Init(&ctx); | |
434 | git_SHA1_Update(&ctx, key_in, key_len); | |
435 | git_SHA1_Final(key, &ctx); | |
436 | } else { | |
437 | memcpy(key, key_in, key_len); | |
438 | } | |
439 | ||
440 | /* RFC 2104 2. (2) & (5) */ | |
441 | for (i = 0; i < sizeof(key); i++) { | |
442 | k_ipad[i] = key[i] ^ 0x36; | |
443 | k_opad[i] = key[i] ^ 0x5c; | |
444 | } | |
445 | ||
446 | /* RFC 2104 2. (3) & (4) */ | |
447 | git_SHA1_Init(&ctx); | |
448 | git_SHA1_Update(&ctx, k_ipad, sizeof(k_ipad)); | |
449 | git_SHA1_Update(&ctx, text, text_len); | |
450 | git_SHA1_Final(out, &ctx); | |
451 | ||
452 | /* RFC 2104 2. (6) & (7) */ | |
453 | git_SHA1_Init(&ctx); | |
454 | git_SHA1_Update(&ctx, k_opad, sizeof(k_opad)); | |
6f5ef44e | 455 | git_SHA1_Update(&ctx, out, 20); |
b89363e4 JH |
456 | git_SHA1_Final(out, &ctx); |
457 | } | |
458 | ||
dddbad72 | 459 | static char *prepare_push_cert_nonce(const char *path, timestamp_t stamp) |
b89363e4 JH |
460 | { |
461 | struct strbuf buf = STRBUF_INIT; | |
462 | unsigned char sha1[20]; | |
463 | ||
cb71f8bd | 464 | strbuf_addf(&buf, "%s:%"PRItime, path, stamp); |
b89363e4 JH |
465 | hmac_sha1(sha1, buf.buf, buf.len, cert_nonce_seed, strlen(cert_nonce_seed));; |
466 | strbuf_release(&buf); | |
467 | ||
468 | /* RFC 2104 5. HMAC-SHA1-80 */ | |
cb71f8bd | 469 | strbuf_addf(&buf, "%"PRItime"-%.*s", stamp, 20, sha1_to_hex(sha1)); |
b89363e4 JH |
470 | return strbuf_detach(&buf, NULL); |
471 | } | |
472 | ||
473 | /* | |
474 | * NEEDSWORK: reuse find_commit_header() from jk/commit-author-parsing | |
475 | * after dropping "_commit" from its name and possibly moving it out | |
476 | * of commit.c | |
477 | */ | |
cbaf82cc JT |
478 | static char *find_header(const char *msg, size_t len, const char *key, |
479 | const char **next_line) | |
b89363e4 JH |
480 | { |
481 | int key_len = strlen(key); | |
482 | const char *line = msg; | |
483 | ||
484 | while (line && line < msg + len) { | |
485 | const char *eol = strchrnul(line, '\n'); | |
486 | ||
487 | if ((msg + len <= eol) || line == eol) | |
488 | return NULL; | |
489 | if (line + key_len < eol && | |
490 | !memcmp(line, key, key_len) && line[key_len] == ' ') { | |
491 | int offset = key_len + 1; | |
cbaf82cc JT |
492 | if (next_line) |
493 | *next_line = *eol ? eol + 1 : eol; | |
b89363e4 JH |
494 | return xmemdupz(line + offset, (eol - line) - offset); |
495 | } | |
496 | line = *eol ? eol + 1 : NULL; | |
497 | } | |
498 | return NULL; | |
499 | } | |
500 | ||
501 | static const char *check_nonce(const char *buf, size_t len) | |
502 | { | |
cbaf82cc | 503 | char *nonce = find_header(buf, len, "nonce", NULL); |
dddbad72 | 504 | timestamp_t stamp, ostamp; |
5732373d | 505 | char *bohmac, *expect = NULL; |
b89363e4 JH |
506 | const char *retval = NONCE_BAD; |
507 | ||
508 | if (!nonce) { | |
509 | retval = NONCE_MISSING; | |
510 | goto leave; | |
511 | } else if (!push_cert_nonce) { | |
512 | retval = NONCE_UNSOLICITED; | |
513 | goto leave; | |
514 | } else if (!strcmp(push_cert_nonce, nonce)) { | |
515 | retval = NONCE_OK; | |
516 | goto leave; | |
517 | } | |
518 | ||
5732373d JH |
519 | if (!stateless_rpc) { |
520 | /* returned nonce MUST match what we gave out earlier */ | |
521 | retval = NONCE_BAD; | |
522 | goto leave; | |
523 | } | |
524 | ||
525 | /* | |
526 | * In stateless mode, we may be receiving a nonce issued by | |
527 | * another instance of the server that serving the same | |
528 | * repository, and the timestamps may not match, but the | |
529 | * nonce-seed and dir should match, so we can recompute and | |
530 | * report the time slop. | |
531 | * | |
532 | * In addition, when a nonce issued by another instance has | |
533 | * timestamp within receive.certnonceslop seconds, we pretend | |
534 | * as if we issued that nonce when reporting to the hook. | |
535 | */ | |
536 | ||
537 | /* nonce is concat(<seconds-since-epoch>, "-", <hmac>) */ | |
538 | if (*nonce <= '0' || '9' < *nonce) { | |
539 | retval = NONCE_BAD; | |
540 | goto leave; | |
541 | } | |
1aeb7e75 | 542 | stamp = parse_timestamp(nonce, &bohmac, 10); |
5732373d JH |
543 | if (bohmac == nonce || bohmac[0] != '-') { |
544 | retval = NONCE_BAD; | |
545 | goto leave; | |
546 | } | |
547 | ||
548 | expect = prepare_push_cert_nonce(service_dir, stamp); | |
549 | if (strcmp(expect, nonce)) { | |
550 | /* Not what we would have signed earlier */ | |
551 | retval = NONCE_BAD; | |
552 | goto leave; | |
553 | } | |
554 | ||
555 | /* | |
556 | * By how many seconds is this nonce stale? Negative value | |
557 | * would mean it was issued by another server with its clock | |
558 | * skewed in the future. | |
559 | */ | |
1aeb7e75 | 560 | ostamp = parse_timestamp(push_cert_nonce, NULL, 10); |
5732373d JH |
561 | nonce_stamp_slop = (long)ostamp - (long)stamp; |
562 | ||
563 | if (nonce_stamp_slop_limit && | |
31a8aa1e | 564 | labs(nonce_stamp_slop) <= nonce_stamp_slop_limit) { |
5732373d JH |
565 | /* |
566 | * Pretend as if the received nonce (which passes the | |
567 | * HMAC check, so it is not a forged by third-party) | |
568 | * is what we issued. | |
569 | */ | |
570 | free((void *)push_cert_nonce); | |
571 | push_cert_nonce = xstrdup(nonce); | |
572 | retval = NONCE_OK; | |
573 | } else { | |
574 | retval = NONCE_SLOP; | |
575 | } | |
b89363e4 JH |
576 | |
577 | leave: | |
578 | free(nonce); | |
5732373d | 579 | free(expect); |
b89363e4 JH |
580 | return retval; |
581 | } | |
582 | ||
cbaf82cc JT |
583 | /* |
584 | * Return 1 if there is no push_cert or if the push options in push_cert are | |
585 | * the same as those in the argument; 0 otherwise. | |
586 | */ | |
587 | static int check_cert_push_options(const struct string_list *push_options) | |
588 | { | |
589 | const char *buf = push_cert.buf; | |
590 | int len = push_cert.len; | |
591 | ||
592 | char *option; | |
593 | const char *next_line; | |
594 | int options_seen = 0; | |
595 | ||
596 | int retval = 1; | |
597 | ||
598 | if (!len) | |
599 | return 1; | |
600 | ||
601 | while ((option = find_header(buf, len, "push-option", &next_line))) { | |
602 | len -= (next_line - buf); | |
603 | buf = next_line; | |
604 | options_seen++; | |
605 | if (options_seen > push_options->nr | |
606 | || strcmp(option, | |
607 | push_options->items[options_seen - 1].string)) { | |
608 | retval = 0; | |
609 | goto leave; | |
610 | } | |
611 | free(option); | |
612 | } | |
613 | ||
614 | if (options_seen != push_options->nr) | |
615 | retval = 0; | |
616 | ||
617 | leave: | |
618 | free(option); | |
619 | return retval; | |
620 | } | |
621 | ||
a85b377d JH |
622 | static void prepare_push_cert_sha1(struct child_process *proc) |
623 | { | |
624 | static int already_done; | |
a85b377d JH |
625 | |
626 | if (!push_cert.len) | |
627 | return; | |
628 | ||
629 | if (!already_done) { | |
d05b9618 JH |
630 | struct strbuf gpg_output = STRBUF_INIT; |
631 | struct strbuf gpg_status = STRBUF_INIT; | |
632 | int bogs /* beginning_of_gpg_sig */; | |
633 | ||
a85b377d JH |
634 | already_done = 1; |
635 | if (write_sha1_file(push_cert.buf, push_cert.len, "blob", push_cert_sha1)) | |
636 | hashclr(push_cert_sha1); | |
d05b9618 JH |
637 | |
638 | memset(&sigcheck, '\0', sizeof(sigcheck)); | |
639 | sigcheck.result = 'N'; | |
640 | ||
641 | bogs = parse_signature(push_cert.buf, push_cert.len); | |
642 | if (verify_signed_buffer(push_cert.buf, bogs, | |
643 | push_cert.buf + bogs, push_cert.len - bogs, | |
644 | &gpg_output, &gpg_status) < 0) { | |
645 | ; /* error running gpg */ | |
646 | } else { | |
647 | sigcheck.payload = push_cert.buf; | |
648 | sigcheck.gpg_output = gpg_output.buf; | |
649 | sigcheck.gpg_status = gpg_status.buf; | |
650 | parse_gpg_output(&sigcheck); | |
651 | } | |
652 | ||
653 | strbuf_release(&gpg_output); | |
654 | strbuf_release(&gpg_status); | |
b89363e4 | 655 | nonce_status = check_nonce(push_cert.buf, bogs); |
a85b377d JH |
656 | } |
657 | if (!is_null_sha1(push_cert_sha1)) { | |
a9154590 RS |
658 | argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT=%s", |
659 | sha1_to_hex(push_cert_sha1)); | |
660 | argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_SIGNER=%s", | |
d05b9618 | 661 | sigcheck.signer ? sigcheck.signer : ""); |
a9154590 | 662 | argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_KEY=%s", |
d05b9618 | 663 | sigcheck.key ? sigcheck.key : ""); |
a9154590 RS |
664 | argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_STATUS=%c", |
665 | sigcheck.result); | |
b89363e4 | 666 | if (push_cert_nonce) { |
a9154590 RS |
667 | argv_array_pushf(&proc->env_array, |
668 | "GIT_PUSH_CERT_NONCE=%s", | |
669 | push_cert_nonce); | |
670 | argv_array_pushf(&proc->env_array, | |
671 | "GIT_PUSH_CERT_NONCE_STATUS=%s", | |
672 | nonce_status); | |
5732373d | 673 | if (nonce_status == NONCE_SLOP) |
a9154590 RS |
674 | argv_array_pushf(&proc->env_array, |
675 | "GIT_PUSH_CERT_NONCE_SLOP=%ld", | |
5732373d | 676 | nonce_stamp_slop); |
b89363e4 | 677 | } |
a85b377d JH |
678 | } |
679 | } | |
680 | ||
77a9745d SB |
681 | struct receive_hook_feed_state { |
682 | struct command *cmd; | |
683 | int skip_broken; | |
684 | struct strbuf buf; | |
685 | const struct string_list *push_options; | |
686 | }; | |
687 | ||
9684e44a | 688 | typedef int (*feed_fn)(void *, const char **, size_t *); |
77a9745d SB |
689 | static int run_and_feed_hook(const char *hook_name, feed_fn feed, |
690 | struct receive_hook_feed_state *feed_state) | |
b1bf95bb | 691 | { |
d3180279 | 692 | struct child_process proc = CHILD_PROCESS_INIT; |
6d525d38 | 693 | struct async muxer; |
f43cd49f | 694 | const char *argv[2]; |
9684e44a | 695 | int code; |
b1bf95bb | 696 | |
5a7da2dc AS |
697 | argv[0] = find_hook(hook_name); |
698 | if (!argv[0]) | |
b1bf95bb | 699 | return 0; |
c8dd2771 | 700 | |
f43cd49f SP |
701 | argv[1] = NULL; |
702 | ||
f43cd49f SP |
703 | proc.argv = argv; |
704 | proc.in = -1; | |
705 | proc.stdout_to_stderr = 1; | |
77a9745d SB |
706 | if (feed_state->push_options) { |
707 | int i; | |
708 | for (i = 0; i < feed_state->push_options->nr; i++) | |
709 | argv_array_pushf(&proc.env_array, | |
710 | "GIT_PUSH_OPTION_%d=%s", i, | |
711 | feed_state->push_options->items[i].string); | |
712 | argv_array_pushf(&proc.env_array, "GIT_PUSH_OPTION_COUNT=%d", | |
713 | feed_state->push_options->nr); | |
714 | } else | |
715 | argv_array_pushf(&proc.env_array, "GIT_PUSH_OPTION_COUNT"); | |
f43cd49f | 716 | |
722ff7f8 JK |
717 | if (tmp_objdir) |
718 | argv_array_pushv(&proc.env_array, tmp_objdir_env(tmp_objdir)); | |
719 | ||
6d525d38 SP |
720 | if (use_sideband) { |
721 | memset(&muxer, 0, sizeof(muxer)); | |
722 | muxer.proc = copy_to_sideband; | |
723 | muxer.in = -1; | |
724 | code = start_async(&muxer); | |
725 | if (code) | |
726 | return code; | |
727 | proc.err = muxer.in; | |
728 | } | |
729 | ||
5d222c09 RS |
730 | prepare_push_cert_sha1(&proc); |
731 | ||
f43cd49f | 732 | code = start_command(&proc); |
6d525d38 SP |
733 | if (code) { |
734 | if (use_sideband) | |
735 | finish_async(&muxer); | |
90e41a89 | 736 | return code; |
6d525d38 SP |
737 | } |
738 | ||
ec7dbd14 JH |
739 | sigchain_push(SIGPIPE, SIG_IGN); |
740 | ||
9684e44a JH |
741 | while (1) { |
742 | const char *buf; | |
743 | size_t n; | |
744 | if (feed(feed_state, &buf, &n)) | |
745 | break; | |
746 | if (write_in_full(proc.in, buf, n) != n) | |
747 | break; | |
c8dd2771 | 748 | } |
e72ae288 | 749 | close(proc.in); |
6d525d38 SP |
750 | if (use_sideband) |
751 | finish_async(&muxer); | |
ec7dbd14 JH |
752 | |
753 | sigchain_pop(SIGPIPE); | |
754 | ||
90e41a89 | 755 | return finish_command(&proc); |
b1bf95bb JW |
756 | } |
757 | ||
9684e44a JH |
758 | static int feed_receive_hook(void *state_, const char **bufp, size_t *sizep) |
759 | { | |
760 | struct receive_hook_feed_state *state = state_; | |
761 | struct command *cmd = state->cmd; | |
762 | ||
cdc2b2f3 JH |
763 | while (cmd && |
764 | state->skip_broken && (cmd->error_string || cmd->did_not_exist)) | |
9684e44a JH |
765 | cmd = cmd->next; |
766 | if (!cmd) | |
767 | return -1; /* EOF */ | |
768 | strbuf_reset(&state->buf); | |
769 | strbuf_addf(&state->buf, "%s %s %s\n", | |
9c44ea44 | 770 | oid_to_hex(&cmd->old_oid), oid_to_hex(&cmd->new_oid), |
9684e44a JH |
771 | cmd->ref_name); |
772 | state->cmd = cmd->next; | |
773 | if (bufp) { | |
774 | *bufp = state->buf.buf; | |
775 | *sizep = state->buf.len; | |
776 | } | |
777 | return 0; | |
778 | } | |
779 | ||
77a9745d SB |
780 | static int run_receive_hook(struct command *commands, |
781 | const char *hook_name, | |
782 | int skip_broken, | |
783 | const struct string_list *push_options) | |
9684e44a JH |
784 | { |
785 | struct receive_hook_feed_state state; | |
786 | int status; | |
787 | ||
788 | strbuf_init(&state.buf, 0); | |
789 | state.cmd = commands; | |
cdc2b2f3 | 790 | state.skip_broken = skip_broken; |
9684e44a JH |
791 | if (feed_receive_hook(&state, NULL, NULL)) |
792 | return 0; | |
793 | state.cmd = commands; | |
77a9745d | 794 | state.push_options = push_options; |
9684e44a JH |
795 | status = run_and_feed_hook(hook_name, feed_receive_hook, &state); |
796 | strbuf_release(&state.buf); | |
797 | return status; | |
798 | } | |
799 | ||
1d9e8b56 SP |
800 | static int run_update_hook(struct command *cmd) |
801 | { | |
1d9e8b56 | 802 | const char *argv[5]; |
d3180279 | 803 | struct child_process proc = CHILD_PROCESS_INIT; |
6d525d38 | 804 | int code; |
1d9e8b56 | 805 | |
5a7da2dc AS |
806 | argv[0] = find_hook("update"); |
807 | if (!argv[0]) | |
1d9e8b56 SP |
808 | return 0; |
809 | ||
1d9e8b56 | 810 | argv[1] = cmd->ref_name; |
9c44ea44 | 811 | argv[2] = oid_to_hex(&cmd->old_oid); |
812 | argv[3] = oid_to_hex(&cmd->new_oid); | |
1d9e8b56 SP |
813 | argv[4] = NULL; |
814 | ||
6d525d38 SP |
815 | proc.no_stdin = 1; |
816 | proc.stdout_to_stderr = 1; | |
817 | proc.err = use_sideband ? -1 : 0; | |
818 | proc.argv = argv; | |
819 | ||
820 | code = start_command(&proc); | |
821 | if (code) | |
822 | return code; | |
823 | if (use_sideband) | |
824 | copy_to_sideband(proc.err, -1, NULL); | |
825 | return finish_command(&proc); | |
1d9e8b56 SP |
826 | } |
827 | ||
986e8239 JK |
828 | static int is_ref_checked_out(const char *ref) |
829 | { | |
986e8239 JK |
830 | if (is_bare_repository()) |
831 | return 0; | |
832 | ||
747ca245 | 833 | if (!head_name) |
986e8239 | 834 | return 0; |
747ca245 | 835 | return !strcmp(head_name, ref); |
986e8239 JK |
836 | } |
837 | ||
8ba35a2d VA |
838 | static char *refuse_unconfigured_deny_msg = |
839 | N_("By default, updating the current branch in a non-bare repository\n" | |
840 | "is denied, because it will make the index and work tree inconsistent\n" | |
841 | "with what you pushed, and will require 'git reset --hard' to match\n" | |
842 | "the work tree to HEAD.\n" | |
843 | "\n" | |
2ddaa427 AH |
844 | "You can set the 'receive.denyCurrentBranch' configuration variable\n" |
845 | "to 'ignore' or 'warn' in the remote repository to allow pushing into\n" | |
8ba35a2d VA |
846 | "its current branch; however, this is not recommended unless you\n" |
847 | "arranged to update its work tree to match what you pushed in some\n" | |
848 | "other way.\n" | |
849 | "\n" | |
850 | "To squelch this message and still keep the default behaviour, set\n" | |
851 | "'receive.denyCurrentBranch' configuration variable to 'refuse'."); | |
3d95d92b | 852 | |
acd2a45b | 853 | static void refuse_unconfigured_deny(void) |
3d95d92b | 854 | { |
8ba35a2d | 855 | rp_error("%s", _(refuse_unconfigured_deny_msg)); |
3d95d92b JH |
856 | } |
857 | ||
8ba35a2d VA |
858 | static char *refuse_unconfigured_deny_delete_current_msg = |
859 | N_("By default, deleting the current branch is denied, because the next\n" | |
860 | "'git clone' won't result in any file checked out, causing confusion.\n" | |
861 | "\n" | |
862 | "You can set 'receive.denyDeleteCurrent' configuration variable to\n" | |
863 | "'warn' or 'ignore' in the remote repository to allow deleting the\n" | |
864 | "current branch, with or without a warning message.\n" | |
865 | "\n" | |
866 | "To squelch this message, you can set it to 'refuse'."); | |
747ca245 | 867 | |
375881fa | 868 | static void refuse_unconfigured_deny_delete_current(void) |
747ca245 | 869 | { |
8ba35a2d | 870 | rp_error("%s", _(refuse_unconfigured_deny_delete_current_msg)); |
747ca245 JH |
871 | } |
872 | ||
0a1bc12b NTND |
873 | static int command_singleton_iterator(void *cb_data, unsigned char sha1[20]); |
874 | static int update_shallow_ref(struct command *cmd, struct shallow_info *si) | |
875 | { | |
876 | static struct lock_file shallow_lock; | |
910650d2 | 877 | struct oid_array extra = OID_ARRAY_INIT; |
7043c707 | 878 | struct check_connected_options opt = CHECK_CONNECTED_INIT; |
0a1bc12b NTND |
879 | uint32_t mask = 1 << (cmd->index % 32); |
880 | int i; | |
881 | ||
6aa30857 | 882 | trace_printf_key(&trace_shallow, |
0a1bc12b NTND |
883 | "shallow: update_shallow_ref %s\n", cmd->ref_name); |
884 | for (i = 0; i < si->shallow->nr; i++) | |
885 | if (si->used_shallow[i] && | |
886 | (si->used_shallow[i][cmd->index / 32] & mask) && | |
887 | !delayed_reachability_test(si, i)) | |
910650d2 | 888 | oid_array_append(&extra, &si->shallow->oid[i]); |
0a1bc12b | 889 | |
722ff7f8 | 890 | opt.env = tmp_objdir_env(tmp_objdir); |
7043c707 JK |
891 | setup_alternate_shallow(&shallow_lock, &opt.shallow_file, &extra); |
892 | if (check_connected(command_singleton_iterator, cmd, &opt)) { | |
0a1bc12b | 893 | rollback_lock_file(&shallow_lock); |
910650d2 | 894 | oid_array_clear(&extra); |
0a1bc12b NTND |
895 | return -1; |
896 | } | |
897 | ||
898 | commit_lock_file(&shallow_lock); | |
899 | ||
900 | /* | |
901 | * Make sure setup_alternate_shallow() for the next ref does | |
902 | * not lose these new roots.. | |
903 | */ | |
904 | for (i = 0; i < extra.nr; i++) | |
e92b848c | 905 | register_shallow(&extra.oid[i]); |
0a1bc12b NTND |
906 | |
907 | si->shallow_ref[cmd->index] = 0; | |
910650d2 | 908 | oid_array_clear(&extra); |
0a1bc12b NTND |
909 | return 0; |
910 | } | |
911 | ||
1a51b524 JH |
912 | /* |
913 | * NEEDSWORK: we should consolidate various implementions of "are we | |
914 | * on an unborn branch?" test into one, and make the unified one more | |
915 | * robust. !get_sha1() based check used here and elsewhere would not | |
916 | * allow us to tell an unborn branch from corrupt ref, for example. | |
917 | * For the purpose of fixing "deploy-to-update does not work when | |
918 | * pushing into an empty repository" issue, this should suffice for | |
919 | * now. | |
920 | */ | |
921 | static int head_has_history(void) | |
922 | { | |
15be4a5d | 923 | struct object_id oid; |
1a51b524 | 924 | |
15be4a5d | 925 | return !get_oid("HEAD", &oid); |
1a51b524 JH |
926 | } |
927 | ||
21b138d0 JH |
928 | static const char *push_to_deploy(unsigned char *sha1, |
929 | struct argv_array *env, | |
930 | const char *work_tree) | |
1404bcbb JS |
931 | { |
932 | const char *update_refresh[] = { | |
933 | "update-index", "-q", "--ignore-submodules", "--refresh", NULL | |
934 | }; | |
935 | const char *diff_files[] = { | |
936 | "diff-files", "--quiet", "--ignore-submodules", "--", NULL | |
937 | }; | |
938 | const char *diff_index[] = { | |
939 | "diff-index", "--quiet", "--cached", "--ignore-submodules", | |
1a51b524 | 940 | NULL, "--", NULL |
1404bcbb JS |
941 | }; |
942 | const char *read_tree[] = { | |
943 | "read-tree", "-u", "-m", NULL, NULL | |
944 | }; | |
1404bcbb JS |
945 | struct child_process child = CHILD_PROCESS_INIT; |
946 | ||
1404bcbb | 947 | child.argv = update_refresh; |
21b138d0 | 948 | child.env = env->argv; |
1404bcbb JS |
949 | child.dir = work_tree; |
950 | child.no_stdin = 1; | |
951 | child.stdout_to_stderr = 1; | |
952 | child.git_cmd = 1; | |
21b138d0 | 953 | if (run_command(&child)) |
1404bcbb | 954 | return "Up-to-date check failed"; |
1404bcbb JS |
955 | |
956 | /* run_command() does not clean up completely; reinitialize */ | |
957 | child_process_init(&child); | |
958 | child.argv = diff_files; | |
21b138d0 | 959 | child.env = env->argv; |
1404bcbb JS |
960 | child.dir = work_tree; |
961 | child.no_stdin = 1; | |
962 | child.stdout_to_stderr = 1; | |
963 | child.git_cmd = 1; | |
21b138d0 | 964 | if (run_command(&child)) |
1404bcbb | 965 | return "Working directory has unstaged changes"; |
1404bcbb | 966 | |
1a51b524 JH |
967 | /* diff-index with either HEAD or an empty tree */ |
968 | diff_index[4] = head_has_history() ? "HEAD" : EMPTY_TREE_SHA1_HEX; | |
969 | ||
1404bcbb JS |
970 | child_process_init(&child); |
971 | child.argv = diff_index; | |
21b138d0 | 972 | child.env = env->argv; |
1404bcbb JS |
973 | child.no_stdin = 1; |
974 | child.no_stdout = 1; | |
975 | child.stdout_to_stderr = 0; | |
976 | child.git_cmd = 1; | |
21b138d0 | 977 | if (run_command(&child)) |
1404bcbb | 978 | return "Working directory has staged changes"; |
1404bcbb JS |
979 | |
980 | read_tree[3] = sha1_to_hex(sha1); | |
981 | child_process_init(&child); | |
982 | child.argv = read_tree; | |
21b138d0 | 983 | child.env = env->argv; |
1404bcbb JS |
984 | child.dir = work_tree; |
985 | child.no_stdin = 1; | |
986 | child.no_stdout = 1; | |
987 | child.stdout_to_stderr = 0; | |
988 | child.git_cmd = 1; | |
21b138d0 | 989 | if (run_command(&child)) |
1404bcbb | 990 | return "Could not update working tree to new HEAD"; |
1404bcbb | 991 | |
1404bcbb JS |
992 | return NULL; |
993 | } | |
994 | ||
08553319 JH |
995 | static const char *push_to_checkout_hook = "push-to-checkout"; |
996 | ||
997 | static const char *push_to_checkout(unsigned char *sha1, | |
998 | struct argv_array *env, | |
999 | const char *work_tree) | |
1000 | { | |
1001 | argv_array_pushf(env, "GIT_WORK_TREE=%s", absolute_path(work_tree)); | |
1002 | if (run_hook_le(env->argv, push_to_checkout_hook, | |
1003 | sha1_to_hex(sha1), NULL)) | |
1004 | return "push-to-checkout hook declined"; | |
1005 | else | |
1006 | return NULL; | |
1007 | } | |
1008 | ||
21b138d0 JH |
1009 | static const char *update_worktree(unsigned char *sha1) |
1010 | { | |
1011 | const char *retval; | |
1012 | const char *work_tree = git_work_tree_cfg ? git_work_tree_cfg : ".."; | |
1013 | struct argv_array env = ARGV_ARRAY_INIT; | |
1014 | ||
1015 | if (is_bare_repository()) | |
1016 | return "denyCurrentBranch = updateInstead needs a worktree"; | |
1017 | ||
1018 | argv_array_pushf(&env, "GIT_DIR=%s", absolute_path(get_git_dir())); | |
1019 | ||
08553319 JH |
1020 | if (!find_hook(push_to_checkout_hook)) |
1021 | retval = push_to_deploy(sha1, &env, work_tree); | |
1022 | else | |
1023 | retval = push_to_checkout(sha1, &env, work_tree); | |
21b138d0 JH |
1024 | |
1025 | argv_array_clear(&env); | |
1026 | return retval; | |
1027 | } | |
1028 | ||
0a1bc12b | 1029 | static const char *update(struct command *cmd, struct shallow_info *si) |
2eca23da | 1030 | { |
cfee10a7 | 1031 | const char *name = cmd->ref_name; |
6b01ecfe | 1032 | struct strbuf namespaced_name_buf = STRBUF_INIT; |
bda6e828 JS |
1033 | static char *namespaced_name; |
1034 | const char *ret; | |
9c44ea44 | 1035 | struct object_id *old_oid = &cmd->old_oid; |
1036 | struct object_id *new_oid = &cmd->new_oid; | |
2eca23da | 1037 | |
061d6b9a | 1038 | /* only refs/... are allowed */ |
59556548 | 1039 | if (!starts_with(name, "refs/") || check_refname_format(name + 5, 0)) { |
466dbc42 | 1040 | rp_error("refusing to create funny ref '%s' remotely", name); |
8aaf7d64 | 1041 | return "funny refname"; |
cfee10a7 | 1042 | } |
d8a1deec | 1043 | |
6b01ecfe | 1044 | strbuf_addf(&namespaced_name_buf, "%s%s", get_git_namespace(), name); |
bda6e828 | 1045 | free(namespaced_name); |
6b01ecfe JT |
1046 | namespaced_name = strbuf_detach(&namespaced_name_buf, NULL); |
1047 | ||
1048 | if (is_ref_checked_out(namespaced_name)) { | |
3d95d92b JH |
1049 | switch (deny_current_branch) { |
1050 | case DENY_IGNORE: | |
986e8239 | 1051 | break; |
3d95d92b | 1052 | case DENY_WARN: |
466dbc42 | 1053 | rp_warning("updating the current branch"); |
986e8239 | 1054 | break; |
3d95d92b | 1055 | case DENY_REFUSE: |
acd2a45b | 1056 | case DENY_UNCONFIGURED: |
466dbc42 | 1057 | rp_error("refusing to update checked out branch: %s", name); |
acd2a45b JH |
1058 | if (deny_current_branch == DENY_UNCONFIGURED) |
1059 | refuse_unconfigured_deny(); | |
3d95d92b | 1060 | return "branch is currently checked out"; |
1404bcbb | 1061 | case DENY_UPDATE_INSTEAD: |
9c44ea44 | 1062 | ret = update_worktree(new_oid->hash); |
1404bcbb JS |
1063 | if (ret) |
1064 | return ret; | |
1065 | break; | |
3d95d92b | 1066 | } |
986e8239 JK |
1067 | } |
1068 | ||
9c44ea44 | 1069 | if (!is_null_oid(new_oid) && !has_object_file(new_oid)) { |
8aaf7d64 | 1070 | error("unpack should have generated %s, " |
9c44ea44 | 1071 | "but I can't find it!", oid_to_hex(new_oid)); |
8aaf7d64 | 1072 | return "bad pack"; |
cfee10a7 | 1073 | } |
747ca245 | 1074 | |
9c44ea44 | 1075 | if (!is_null_oid(old_oid) && is_null_oid(new_oid)) { |
59556548 | 1076 | if (deny_deletes && starts_with(name, "refs/heads/")) { |
466dbc42 | 1077 | rp_error("denying ref deletion for %s", name); |
747ca245 JH |
1078 | return "deletion prohibited"; |
1079 | } | |
1080 | ||
b112b14d | 1081 | if (head_name && !strcmp(namespaced_name, head_name)) { |
747ca245 JH |
1082 | switch (deny_delete_current) { |
1083 | case DENY_IGNORE: | |
1084 | break; | |
1085 | case DENY_WARN: | |
466dbc42 | 1086 | rp_warning("deleting the current branch"); |
747ca245 JH |
1087 | break; |
1088 | case DENY_REFUSE: | |
375881fa | 1089 | case DENY_UNCONFIGURED: |
1404bcbb | 1090 | case DENY_UPDATE_INSTEAD: |
375881fa JH |
1091 | if (deny_delete_current == DENY_UNCONFIGURED) |
1092 | refuse_unconfigured_deny_delete_current(); | |
466dbc42 | 1093 | rp_error("refusing to delete the current branch: %s", name); |
747ca245 | 1094 | return "deletion of the current branch prohibited"; |
1404bcbb JS |
1095 | default: |
1096 | return "Invalid denyDeleteCurrent setting"; | |
747ca245 JH |
1097 | } |
1098 | } | |
a240de11 | 1099 | } |
747ca245 | 1100 | |
9c44ea44 | 1101 | if (deny_non_fast_forwards && !is_null_oid(new_oid) && |
1102 | !is_null_oid(old_oid) && | |
59556548 | 1103 | starts_with(name, "refs/heads/")) { |
eab82707 | 1104 | struct object *old_object, *new_object; |
11031d7e | 1105 | struct commit *old_commit, *new_commit; |
11031d7e | 1106 | |
c251c83d | 1107 | old_object = parse_object(old_oid); |
1108 | new_object = parse_object(new_oid); | |
eab82707 MK |
1109 | |
1110 | if (!old_object || !new_object || | |
1111 | old_object->type != OBJ_COMMIT || | |
1112 | new_object->type != OBJ_COMMIT) { | |
1113 | error("bad sha1 objects for %s", name); | |
1114 | return "bad ref"; | |
1115 | } | |
1116 | old_commit = (struct commit *)old_object; | |
1117 | new_commit = (struct commit *)new_object; | |
5d55915c | 1118 | if (!in_merge_bases(old_commit, new_commit)) { |
466dbc42 SP |
1119 | rp_error("denying non-fast-forward %s" |
1120 | " (you should pull first)", name); | |
a75d7b54 | 1121 | return "non-fast-forward"; |
8aaf7d64 | 1122 | } |
11031d7e | 1123 | } |
1d9e8b56 | 1124 | if (run_update_hook(cmd)) { |
466dbc42 | 1125 | rp_error("hook declined to update %s", name); |
8aaf7d64 | 1126 | return "hook declined"; |
b1bf95bb | 1127 | } |
3159c8dc | 1128 | |
9c44ea44 | 1129 | if (is_null_oid(new_oid)) { |
222368c6 | 1130 | struct strbuf err = STRBUF_INIT; |
c251c83d | 1131 | if (!parse_object(old_oid)) { |
9c44ea44 | 1132 | old_oid = NULL; |
160b81ed PYH |
1133 | if (ref_exists(name)) { |
1134 | rp_warning("Allowing deletion of corrupt ref."); | |
1135 | } else { | |
1136 | rp_warning("Deleting a non-existent ref."); | |
1137 | cmd->did_not_exist = 1; | |
1138 | } | |
28391a80 | 1139 | } |
222368c6 SB |
1140 | if (ref_transaction_delete(transaction, |
1141 | namespaced_name, | |
f730944a | 1142 | old_oid ? old_oid->hash : NULL, |
fb5a6bb6 | 1143 | 0, "push", &err)) { |
222368c6 SB |
1144 | rp_error("%s", err.buf); |
1145 | strbuf_release(&err); | |
8aaf7d64 | 1146 | return "failed to delete"; |
d4f694ba | 1147 | } |
222368c6 | 1148 | strbuf_release(&err); |
8aaf7d64 | 1149 | return NULL; /* good */ |
d4f694ba JH |
1150 | } |
1151 | else { | |
6629ea2d | 1152 | struct strbuf err = STRBUF_INIT; |
0a1bc12b NTND |
1153 | if (shallow_update && si->shallow_ref[cmd->index] && |
1154 | update_shallow_ref(cmd, si)) | |
1155 | return "shallow error"; | |
1156 | ||
222368c6 SB |
1157 | if (ref_transaction_update(transaction, |
1158 | namespaced_name, | |
9c44ea44 | 1159 | new_oid->hash, old_oid->hash, |
1d147bdf | 1160 | 0, "push", |
222368c6 | 1161 | &err)) { |
6629ea2d RS |
1162 | rp_error("%s", err.buf); |
1163 | strbuf_release(&err); | |
222368c6 | 1164 | |
6629ea2d | 1165 | return "failed to update ref"; |
ef203f08 | 1166 | } |
6629ea2d | 1167 | strbuf_release(&err); |
222368c6 | 1168 | |
8aaf7d64 | 1169 | return NULL; /* good */ |
19614330 | 1170 | } |
2eca23da LT |
1171 | } |
1172 | ||
5e1c71fd | 1173 | static void run_update_post_hook(struct command *commands) |
19614330 | 1174 | { |
5e1c71fd | 1175 | struct command *cmd; |
d3180279 | 1176 | struct child_process proc = CHILD_PROCESS_INIT; |
dcf69262 | 1177 | const char *hook; |
19614330 | 1178 | |
5a7da2dc | 1179 | hook = find_hook("post-update"); |
dce96c41 | 1180 | if (!hook) |
3e6e152c | 1181 | return; |
5a7da2dc | 1182 | |
850d2fec | 1183 | for (cmd = commands; cmd; cmd = cmd->next) { |
160b81ed | 1184 | if (cmd->error_string || cmd->did_not_exist) |
19614330 | 1185 | continue; |
dce96c41 RS |
1186 | if (!proc.args.argc) |
1187 | argv_array_push(&proc.args, hook); | |
850d2fec | 1188 | argv_array_push(&proc.args, cmd->ref_name); |
19614330 | 1189 | } |
dce96c41 RS |
1190 | if (!proc.args.argc) |
1191 | return; | |
6d525d38 | 1192 | |
6d525d38 SP |
1193 | proc.no_stdin = 1; |
1194 | proc.stdout_to_stderr = 1; | |
1195 | proc.err = use_sideband ? -1 : 0; | |
6d525d38 SP |
1196 | |
1197 | if (!start_command(&proc)) { | |
1198 | if (use_sideband) | |
1199 | copy_to_sideband(proc.err, -1, NULL); | |
1200 | finish_command(&proc); | |
1201 | } | |
19614330 | 1202 | } |
2eca23da | 1203 | |
da3efdb1 JS |
1204 | static void check_aliased_update(struct command *cmd, struct string_list *list) |
1205 | { | |
6b01ecfe JT |
1206 | struct strbuf buf = STRBUF_INIT; |
1207 | const char *dst_name; | |
da3efdb1 JS |
1208 | struct string_list_item *item; |
1209 | struct command *dst_cmd; | |
cd02599c | 1210 | unsigned char sha1[GIT_MAX_RAWSZ]; |
da3efdb1 JS |
1211 | int flag; |
1212 | ||
6b01ecfe | 1213 | strbuf_addf(&buf, "%s%s", get_git_namespace(), cmd->ref_name); |
7695d118 | 1214 | dst_name = resolve_ref_unsafe(buf.buf, 0, sha1, &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 | ||
52fed6e1 JH |
1274 | static int command_singleton_iterator(void *cb_data, unsigned char sha1[20]) |
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 */ | |
9c44ea44 | 1282 | hashcpy(sha1, cmd->new_oid.hash); |
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 | ||
52fed6e1 JH |
1313 | static int iterate_receive_command_list(void *cb_data, unsigned char sha1[20]) |
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) { |
1324 | hashcpy(sha1, cmd->new_oid.hash); | |
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; |
2928325f | 1462 | struct object_id oid; |
0a1bc12b | 1463 | struct iterate_data data; |
d415092a JK |
1464 | struct async muxer; |
1465 | int err_fd = 0; | |
8aaf7d64 SP |
1466 | |
1467 | if (unpacker_error) { | |
5e1c71fd | 1468 | for (cmd = commands; cmd; cmd = cmd->next) |
74eb32d3 | 1469 | cmd->error_string = "unpacker error"; |
8aaf7d64 SP |
1470 | return; |
1471 | } | |
1472 | ||
d415092a JK |
1473 | if (use_sideband) { |
1474 | memset(&muxer, 0, sizeof(muxer)); | |
1475 | muxer.proc = copy_to_sideband; | |
1476 | muxer.in = -1; | |
1477 | if (!start_async(&muxer)) | |
1478 | err_fd = muxer.in; | |
1479 | /* ...else, continue without relaying sideband */ | |
1480 | } | |
1481 | ||
0a1bc12b NTND |
1482 | data.cmds = commands; |
1483 | data.si = si; | |
d415092a | 1484 | opt.err_fd = err_fd; |
6b4cd2f8 | 1485 | opt.progress = err_fd && !quiet; |
722ff7f8 | 1486 | opt.env = tmp_objdir_env(tmp_objdir); |
d415092a | 1487 | if (check_connected(iterate_receive_command_list, &data, &opt)) |
0a1bc12b | 1488 | set_connectivity_errors(commands, si); |
52fed6e1 | 1489 | |
d415092a JK |
1490 | if (use_sideband) |
1491 | finish_async(&muxer); | |
1492 | ||
daebaa78 JH |
1493 | reject_updates_to_hidden(commands); |
1494 | ||
77a9745d | 1495 | if (run_receive_hook(commands, "pre-receive", 0, push_options)) { |
ef7e93d9 CB |
1496 | for (cmd = commands; cmd; cmd = cmd->next) { |
1497 | if (!cmd->error_string) | |
1498 | cmd->error_string = "pre-receive hook declined"; | |
1499 | } | |
05ef58ec SP |
1500 | return; |
1501 | } | |
1502 | ||
722ff7f8 JK |
1503 | /* |
1504 | * Now we'll start writing out refs, which means the objects need | |
1505 | * to be in their final positions so that other processes can see them. | |
1506 | */ | |
1507 | if (tmp_objdir_migrate(tmp_objdir) < 0) { | |
1508 | for (cmd = commands; cmd; cmd = cmd->next) { | |
1509 | if (!cmd->error_string) | |
1510 | cmd->error_string = "unable to migrate objects to permanent storage"; | |
1511 | } | |
1512 | return; | |
1513 | } | |
1514 | tmp_objdir = NULL; | |
1515 | ||
da3efdb1 JS |
1516 | check_aliased_updates(commands); |
1517 | ||
96ec7b1e | 1518 | free(head_name_to_free); |
2928325f | 1519 | head_name = head_name_to_free = resolve_refdup("HEAD", 0, oid.hash, NULL); |
747ca245 | 1520 | |
68deed29 SB |
1521 | if (use_atomic) |
1522 | execute_commands_atomic(commands, si); | |
1523 | else | |
1524 | execute_commands_non_atomic(commands, si); | |
0a1bc12b | 1525 | |
a6a84319 SB |
1526 | if (shallow_update) |
1527 | warn_if_skipped_connectivity_check(commands, si); | |
575f4974 LT |
1528 | } |
1529 | ||
39895c74 JH |
1530 | static struct command **queue_command(struct command **tail, |
1531 | const char *line, | |
1532 | int linelen) | |
1533 | { | |
9c44ea44 | 1534 | struct object_id old_oid, new_oid; |
39895c74 JH |
1535 | struct command *cmd; |
1536 | const char *refname; | |
1537 | int reflen; | |
9c44ea44 | 1538 | const char *p; |
39895c74 | 1539 | |
9c44ea44 | 1540 | if (parse_oid_hex(line, &old_oid, &p) || |
1541 | *p++ != ' ' || | |
1542 | parse_oid_hex(p, &new_oid, &p) || | |
1543 | *p++ != ' ') | |
39895c74 JH |
1544 | die("protocol error: expected old/new/ref, got '%s'", line); |
1545 | ||
9c44ea44 | 1546 | refname = p; |
1547 | reflen = linelen - (p - line); | |
ddd0bfac | 1548 | FLEX_ALLOC_MEM(cmd, ref_name, refname, reflen); |
9c44ea44 | 1549 | oidcpy(&cmd->old_oid, &old_oid); |
1550 | oidcpy(&cmd->new_oid, &new_oid); | |
39895c74 JH |
1551 | *tail = cmd; |
1552 | return &cmd->next; | |
1553 | } | |
1554 | ||
4adf569d JH |
1555 | static void queue_commands_from_cert(struct command **tail, |
1556 | struct strbuf *push_cert) | |
1557 | { | |
1558 | const char *boc, *eoc; | |
1559 | ||
1560 | if (*tail) | |
1561 | die("protocol error: got both push certificate and unsigned commands"); | |
1562 | ||
1563 | boc = strstr(push_cert->buf, "\n\n"); | |
1564 | if (!boc) | |
1565 | die("malformed push certificate %.*s", 100, push_cert->buf); | |
1566 | else | |
1567 | boc += 2; | |
1568 | eoc = push_cert->buf + parse_signature(push_cert->buf, push_cert->len); | |
1569 | ||
1570 | while (boc < eoc) { | |
1571 | const char *eol = memchr(boc, '\n', eoc - boc); | |
f2214ded | 1572 | tail = queue_command(tail, boc, eol ? eol - boc : eoc - boc); |
4adf569d JH |
1573 | boc = eol ? eol + 1 : eoc; |
1574 | } | |
1575 | } | |
1576 | ||
910650d2 | 1577 | static struct command *read_head_info(struct oid_array *shallow) |
575f4974 | 1578 | { |
5e1c71fd | 1579 | struct command *commands = NULL; |
eb1af2df | 1580 | struct command **p = &commands; |
575f4974 | 1581 | for (;;) { |
74543a04 | 1582 | char *line; |
39895c74 | 1583 | int len, linelen; |
eb1af2df | 1584 | |
74543a04 JK |
1585 | line = packet_read_line(0, &len); |
1586 | if (!line) | |
575f4974 | 1587 | break; |
5dbd7676 | 1588 | |
9c44ea44 | 1589 | if (len > 8 && starts_with(line, "shallow ")) { |
1590 | struct object_id oid; | |
1591 | if (get_oid_hex(line + 8, &oid)) | |
c09b71cc JH |
1592 | die("protocol error: expected shallow sha, got '%s'", |
1593 | line + 8); | |
910650d2 | 1594 | oid_array_append(shallow, &oid); |
5dbd7676 NTND |
1595 | continue; |
1596 | } | |
1597 | ||
0e3c339b JH |
1598 | linelen = strlen(line); |
1599 | if (linelen < len) { | |
1600 | const char *feature_list = line + linelen + 1; | |
f47182c8 | 1601 | if (parse_feature_request(feature_list, "report-status")) |
cfee10a7 | 1602 | report_status = 1; |
f47182c8 | 1603 | if (parse_feature_request(feature_list, "side-band-64k")) |
38a81b4e | 1604 | use_sideband = LARGE_PACKET_MAX; |
c207e34f CB |
1605 | if (parse_feature_request(feature_list, "quiet")) |
1606 | quiet = 1; | |
1b70fe5d RS |
1607 | if (advertise_atomic_push |
1608 | && parse_feature_request(feature_list, "atomic")) | |
1609 | use_atomic = 1; | |
c714e45f SB |
1610 | if (advertise_push_options |
1611 | && parse_feature_request(feature_list, "push-options")) | |
1612 | use_push_options = 1; | |
cfee10a7 | 1613 | } |
0e3c339b | 1614 | |
a85b377d JH |
1615 | if (!strcmp(line, "push-cert")) { |
1616 | int true_flush = 0; | |
1617 | char certbuf[1024]; | |
1618 | ||
1619 | for (;;) { | |
1620 | len = packet_read(0, NULL, NULL, | |
1621 | certbuf, sizeof(certbuf), 0); | |
1622 | if (!len) { | |
1623 | true_flush = 1; | |
1624 | break; | |
1625 | } | |
1626 | if (!strcmp(certbuf, "push-cert-end\n")) | |
1627 | break; /* end of cert */ | |
1628 | strbuf_addstr(&push_cert, certbuf); | |
1629 | } | |
1630 | ||
1631 | if (true_flush) | |
1632 | break; | |
1633 | continue; | |
1634 | } | |
1635 | ||
39895c74 | 1636 | p = queue_command(p, line, linelen); |
575f4974 | 1637 | } |
4adf569d JH |
1638 | |
1639 | if (push_cert.len) | |
1640 | queue_commands_from_cert(p, &push_cert); | |
1641 | ||
5e1c71fd | 1642 | return commands; |
575f4974 LT |
1643 | } |
1644 | ||
c714e45f SB |
1645 | static void read_push_options(struct string_list *options) |
1646 | { | |
1647 | while (1) { | |
1648 | char *line; | |
1649 | int len; | |
1650 | ||
1651 | line = packet_read_line(0, &len); | |
1652 | ||
1653 | if (!line) | |
1654 | break; | |
1655 | ||
1656 | string_list_append(options, line); | |
1657 | } | |
1658 | } | |
1659 | ||
fc04c412 SP |
1660 | static const char *parse_pack_header(struct pack_header *hdr) |
1661 | { | |
a69e5429 JH |
1662 | switch (read_pack_header(0, hdr)) { |
1663 | case PH_ERROR_EOF: | |
1664 | return "eof before pack header was fully read"; | |
1665 | ||
1666 | case PH_ERROR_PACK_SIGNATURE: | |
fc04c412 | 1667 | return "protocol error (pack signature mismatch detected)"; |
a69e5429 JH |
1668 | |
1669 | case PH_ERROR_PROTOCOL: | |
fc04c412 | 1670 | return "protocol error (pack version unsupported)"; |
a69e5429 JH |
1671 | |
1672 | default: | |
1673 | return "unknown error in parse_pack_header"; | |
1674 | ||
1675 | case 0: | |
1676 | return NULL; | |
1677 | } | |
fc04c412 SP |
1678 | } |
1679 | ||
576162a4 NP |
1680 | static const char *pack_lockfile; |
1681 | ||
446d5d91 JK |
1682 | static void push_header_arg(struct argv_array *args, struct pack_header *hdr) |
1683 | { | |
1684 | argv_array_pushf(args, "--pack_header=%"PRIu32",%"PRIu32, | |
1685 | ntohl(hdr->hdr_version), ntohl(hdr->hdr_entries)); | |
1686 | } | |
1687 | ||
5dbd7676 | 1688 | static const char *unpack(int err_fd, struct shallow_info *si) |
575f4974 | 1689 | { |
fc04c412 SP |
1690 | struct pack_header hdr; |
1691 | const char *hdr_err; | |
31c42bff | 1692 | int status; |
d3180279 | 1693 | struct child_process child = CHILD_PROCESS_INIT; |
dab76d3a JH |
1694 | int fsck_objects = (receive_fsck_objects >= 0 |
1695 | ? receive_fsck_objects | |
1696 | : transfer_fsck_objects >= 0 | |
1697 | ? transfer_fsck_objects | |
1698 | : 0); | |
fc04c412 SP |
1699 | |
1700 | hdr_err = parse_pack_header(&hdr); | |
49ecfa13 JK |
1701 | if (hdr_err) { |
1702 | if (err_fd > 0) | |
1703 | close(err_fd); | |
fc04c412 | 1704 | return hdr_err; |
49ecfa13 | 1705 | } |
fc04c412 | 1706 | |
5dbd7676 NTND |
1707 | if (si->nr_ours || si->nr_theirs) { |
1708 | alt_shallow_file = setup_temporary_shallow(si->shallow); | |
64a7e92f RS |
1709 | argv_array_push(&child.args, "--shallow-file"); |
1710 | argv_array_push(&child.args, alt_shallow_file); | |
5dbd7676 NTND |
1711 | } |
1712 | ||
722ff7f8 | 1713 | tmp_objdir = tmp_objdir_create(); |
6cdad1f1 JK |
1714 | if (!tmp_objdir) { |
1715 | if (err_fd > 0) | |
1716 | close(err_fd); | |
722ff7f8 | 1717 | return "unable to create temporary object directory"; |
6cdad1f1 | 1718 | } |
722ff7f8 JK |
1719 | child.env = tmp_objdir_env(tmp_objdir); |
1720 | ||
1721 | /* | |
1722 | * Normally we just pass the tmp_objdir environment to the child | |
1723 | * processes that do the heavy lifting, but we may need to see these | |
1724 | * objects ourselves to set up shallow information. | |
1725 | */ | |
1726 | tmp_objdir_add_as_alternate(tmp_objdir); | |
1727 | ||
fc04c412 | 1728 | if (ntohl(hdr.hdr_entries) < unpack_limit) { |
446d5d91 JK |
1729 | argv_array_push(&child.args, "unpack-objects"); |
1730 | push_header_arg(&child.args, &hdr); | |
c207e34f | 1731 | if (quiet) |
64a7e92f | 1732 | argv_array_push(&child.args, "-q"); |
dab76d3a | 1733 | if (fsck_objects) |
5d477a33 JS |
1734 | argv_array_pushf(&child.args, "--strict%s", |
1735 | fsck_msg_types.buf); | |
c08db5a2 JK |
1736 | if (max_input_size) |
1737 | argv_array_pushf(&child.args, "--max-input-size=%"PRIuMAX, | |
1738 | (uintmax_t)max_input_size); | |
59bfdfb8 | 1739 | child.no_stdout = 1; |
a22e6f85 | 1740 | child.err = err_fd; |
59bfdfb8 | 1741 | child.git_cmd = 1; |
31c42bff NTND |
1742 | status = run_command(&child); |
1743 | if (status) | |
1744 | return "unpack-objects abnormal exit"; | |
576162a4 | 1745 | } else { |
da25bdb7 | 1746 | char hostname[HOST_NAME_MAX + 1]; |
576162a4 | 1747 | |
446d5d91 JK |
1748 | argv_array_pushl(&child.args, "index-pack", "--stdin", NULL); |
1749 | push_header_arg(&child.args, &hdr); | |
b26cb7c7 | 1750 | |
5781a9a2 | 1751 | if (xgethostname(hostname, sizeof(hostname))) |
b26cb7c7 JK |
1752 | xsnprintf(hostname, sizeof(hostname), "localhost"); |
1753 | argv_array_pushf(&child.args, | |
1754 | "--keep=receive-pack %"PRIuMAX" on %s", | |
1755 | (uintmax_t)getpid(), | |
1756 | hostname); | |
1757 | ||
d06303bb JK |
1758 | if (!quiet && err_fd) |
1759 | argv_array_push(&child.args, "--show-resolving-progress"); | |
83558686 JK |
1760 | if (use_sideband) |
1761 | argv_array_push(&child.args, "--report-end-of-input"); | |
dab76d3a | 1762 | if (fsck_objects) |
5d477a33 JS |
1763 | argv_array_pushf(&child.args, "--strict%s", |
1764 | fsck_msg_types.buf); | |
1b68387e | 1765 | if (!reject_thin) |
64a7e92f | 1766 | argv_array_push(&child.args, "--fix-thin"); |
c08db5a2 JK |
1767 | if (max_input_size) |
1768 | argv_array_pushf(&child.args, "--max-input-size=%"PRIuMAX, | |
1769 | (uintmax_t)max_input_size); | |
31c42bff NTND |
1770 | child.out = -1; |
1771 | child.err = err_fd; | |
1772 | child.git_cmd = 1; | |
1773 | status = start_command(&child); | |
1774 | if (status) | |
576162a4 | 1775 | return "index-pack fork failed"; |
31c42bff NTND |
1776 | pack_lockfile = index_pack_lockfile(child.out); |
1777 | close(child.out); | |
1778 | status = finish_command(&child); | |
1779 | if (status) | |
1780 | return "index-pack abnormal exit"; | |
1781 | reprepare_packed_git(); | |
cfee10a7 | 1782 | } |
31c42bff | 1783 | return NULL; |
cfee10a7 JH |
1784 | } |
1785 | ||
5dbd7676 | 1786 | static const char *unpack_with_sideband(struct shallow_info *si) |
a22e6f85 JK |
1787 | { |
1788 | struct async muxer; | |
1789 | const char *ret; | |
1790 | ||
1791 | if (!use_sideband) | |
5dbd7676 | 1792 | return unpack(0, si); |
a22e6f85 | 1793 | |
83558686 | 1794 | use_keepalive = KEEPALIVE_AFTER_NUL; |
a22e6f85 JK |
1795 | memset(&muxer, 0, sizeof(muxer)); |
1796 | muxer.proc = copy_to_sideband; | |
1797 | muxer.in = -1; | |
1798 | if (start_async(&muxer)) | |
1799 | return NULL; | |
1800 | ||
5dbd7676 | 1801 | ret = unpack(muxer.in, si); |
a22e6f85 JK |
1802 | |
1803 | finish_async(&muxer); | |
1804 | return ret; | |
1805 | } | |
1806 | ||
0a1bc12b NTND |
1807 | static void prepare_shallow_update(struct command *commands, |
1808 | struct shallow_info *si) | |
1809 | { | |
42c78a21 | 1810 | int i, j, k, bitmap_size = DIV_ROUND_UP(si->ref->nr, 32); |
0a1bc12b | 1811 | |
b32fa95f | 1812 | ALLOC_ARRAY(si->used_shallow, si->shallow->nr); |
0a1bc12b NTND |
1813 | assign_shallow_commits_to_refs(si, si->used_shallow, NULL); |
1814 | ||
1815 | si->need_reachability_test = | |
1816 | xcalloc(si->shallow->nr, sizeof(*si->need_reachability_test)); | |
1817 | si->reachable = | |
1818 | xcalloc(si->shallow->nr, sizeof(*si->reachable)); | |
1819 | si->shallow_ref = xcalloc(si->ref->nr, sizeof(*si->shallow_ref)); | |
1820 | ||
1821 | for (i = 0; i < si->nr_ours; i++) | |
1822 | si->need_reachability_test[si->ours[i]] = 1; | |
1823 | ||
1824 | for (i = 0; i < si->shallow->nr; i++) { | |
1825 | if (!si->used_shallow[i]) | |
1826 | continue; | |
1827 | for (j = 0; j < bitmap_size; j++) { | |
1828 | if (!si->used_shallow[i][j]) | |
1829 | continue; | |
1830 | si->need_reachability_test[i]++; | |
1831 | for (k = 0; k < 32; k++) | |
9a93c668 | 1832 | if (si->used_shallow[i][j] & (1U << k)) |
0a1bc12b NTND |
1833 | si->shallow_ref[j * 32 + k]++; |
1834 | } | |
1835 | ||
1836 | /* | |
1837 | * true for those associated with some refs and belong | |
1838 | * in "ours" list aka "step 7 not done yet" | |
1839 | */ | |
1840 | si->need_reachability_test[i] = | |
1841 | si->need_reachability_test[i] > 1; | |
1842 | } | |
1843 | ||
1844 | /* | |
1845 | * keep hooks happy by forcing a temporary shallow file via | |
1846 | * env variable because we can't add --shallow-file to every | |
1847 | * command. check_everything_connected() will be done with | |
1848 | * true .git/shallow though. | |
1849 | */ | |
1850 | setenv(GIT_SHALLOW_FILE_ENVIRONMENT, alt_shallow_file, 1); | |
1851 | } | |
1852 | ||
5dbd7676 NTND |
1853 | static void update_shallow_info(struct command *commands, |
1854 | struct shallow_info *si, | |
910650d2 | 1855 | struct oid_array *ref) |
5dbd7676 NTND |
1856 | { |
1857 | struct command *cmd; | |
1858 | int *ref_status; | |
1859 | remove_nonexistent_theirs_shallow(si); | |
0a1bc12b NTND |
1860 | if (!si->nr_ours && !si->nr_theirs) { |
1861 | shallow_update = 0; | |
5dbd7676 | 1862 | return; |
0a1bc12b | 1863 | } |
5dbd7676 NTND |
1864 | |
1865 | for (cmd = commands; cmd; cmd = cmd->next) { | |
9c44ea44 | 1866 | if (is_null_oid(&cmd->new_oid)) |
5dbd7676 | 1867 | continue; |
910650d2 | 1868 | oid_array_append(ref, &cmd->new_oid); |
5dbd7676 NTND |
1869 | cmd->index = ref->nr - 1; |
1870 | } | |
1871 | si->ref = ref; | |
1872 | ||
0a1bc12b NTND |
1873 | if (shallow_update) { |
1874 | prepare_shallow_update(commands, si); | |
1875 | return; | |
1876 | } | |
1877 | ||
b32fa95f | 1878 | ALLOC_ARRAY(ref_status, ref->nr); |
5dbd7676 NTND |
1879 | assign_shallow_commits_to_refs(si, NULL, ref_status); |
1880 | for (cmd = commands; cmd; cmd = cmd->next) { | |
9c44ea44 | 1881 | if (is_null_oid(&cmd->new_oid)) |
5dbd7676 NTND |
1882 | continue; |
1883 | if (ref_status[cmd->index]) { | |
1884 | cmd->error_string = "shallow update not allowed"; | |
1885 | cmd->skip_update = 1; | |
1886 | } | |
1887 | } | |
5dbd7676 NTND |
1888 | free(ref_status); |
1889 | } | |
1890 | ||
5e1c71fd | 1891 | static void report(struct command *commands, const char *unpack_status) |
cfee10a7 JH |
1892 | { |
1893 | struct command *cmd; | |
38a81b4e SP |
1894 | struct strbuf buf = STRBUF_INIT; |
1895 | ||
1896 | packet_buf_write(&buf, "unpack %s\n", | |
1897 | unpack_status ? unpack_status : "ok"); | |
cfee10a7 JH |
1898 | for (cmd = commands; cmd; cmd = cmd->next) { |
1899 | if (!cmd->error_string) | |
38a81b4e SP |
1900 | packet_buf_write(&buf, "ok %s\n", |
1901 | cmd->ref_name); | |
cfee10a7 | 1902 | else |
38a81b4e SP |
1903 | packet_buf_write(&buf, "ng %s %s\n", |
1904 | cmd->ref_name, cmd->error_string); | |
575f4974 | 1905 | } |
38a81b4e SP |
1906 | packet_buf_flush(&buf); |
1907 | ||
1908 | if (use_sideband) | |
1909 | send_sideband(1, 1, buf.buf, buf.len, use_sideband); | |
1910 | else | |
cdf4fb8e | 1911 | write_or_die(1, buf.buf, buf.len); |
38a81b4e | 1912 | strbuf_release(&buf); |
575f4974 LT |
1913 | } |
1914 | ||
5e1c71fd | 1915 | static int delete_only(struct command *commands) |
d4f694ba | 1916 | { |
5e1c71fd JS |
1917 | struct command *cmd; |
1918 | for (cmd = commands; cmd; cmd = cmd->next) { | |
9c44ea44 | 1919 | if (!is_null_oid(&cmd->new_oid)) |
d4f694ba | 1920 | return 0; |
d4f694ba JH |
1921 | } |
1922 | return 1; | |
1923 | } | |
1924 | ||
be5908ae | 1925 | int cmd_receive_pack(int argc, const char **argv, const char *prefix) |
575f4974 | 1926 | { |
42526b47 | 1927 | int advertise_refs = 0; |
5e1c71fd | 1928 | struct command *commands; |
910650d2 | 1929 | struct oid_array shallow = OID_ARRAY_INIT; |
1930 | struct oid_array ref = OID_ARRAY_INIT; | |
5dbd7676 | 1931 | struct shallow_info si; |
575f4974 | 1932 | |
1b68387e SS |
1933 | struct option options[] = { |
1934 | OPT__QUIET(&quiet, N_("quiet")), | |
1935 | OPT_HIDDEN_BOOL(0, "stateless-rpc", &stateless_rpc, NULL), | |
1936 | OPT_HIDDEN_BOOL(0, "advertise-refs", &advertise_refs, NULL), | |
1937 | OPT_HIDDEN_BOOL(0, "reject-thin-pack-for-testing", &reject_thin, NULL), | |
1938 | OPT_END() | |
1939 | }; | |
bbc30f99 | 1940 | |
1b68387e | 1941 | packet_trace_identity("receive-pack"); |
575f4974 | 1942 | |
1b68387e | 1943 | argc = parse_options(argc, argv, prefix, options, receive_pack_usage, 0); |
c207e34f | 1944 | |
1b68387e SS |
1945 | if (argc > 1) |
1946 | usage_msg_opt(_("Too many arguments."), receive_pack_usage, options); | |
1947 | if (argc == 0) | |
1948 | usage_msg_opt(_("You must specify a directory."), receive_pack_usage, options); | |
42526b47 | 1949 | |
1b68387e | 1950 | service_dir = argv[0]; |
575f4974 | 1951 | |
e1464ca7 | 1952 | setup_path(); |
5c09f321 | 1953 | |
5732373d JH |
1954 | if (!enter_repo(service_dir, 0)) |
1955 | die("'%s' does not appear to be a git repository", service_dir); | |
575f4974 | 1956 | |
ef90d6d4 | 1957 | git_config(receive_pack_config, NULL); |
b89363e4 | 1958 | if (cert_nonce_seed) |
5732373d | 1959 | push_cert_nonce = prepare_push_cert_nonce(service_dir, time(NULL)); |
6fb75bed | 1960 | |
e28714c5 JH |
1961 | if (0 <= transfer_unpack_limit) |
1962 | unpack_limit = transfer_unpack_limit; | |
1963 | else if (0 <= receive_unpack_limit) | |
1964 | unpack_limit = receive_unpack_limit; | |
1965 | ||
42526b47 | 1966 | if (advertise_refs || !stateless_rpc) { |
42526b47 | 1967 | write_head_info(); |
42526b47 SP |
1968 | } |
1969 | if (advertise_refs) | |
1970 | return 0; | |
575f4974 | 1971 | |
5dbd7676 | 1972 | if ((commands = read_head_info(&shallow)) != NULL) { |
d4f694ba | 1973 | const char *unpack_status = NULL; |
77a9745d | 1974 | struct string_list push_options = STRING_LIST_INIT_DUP; |
d4f694ba | 1975 | |
c714e45f SB |
1976 | if (use_push_options) |
1977 | read_push_options(&push_options); | |
cbaf82cc JT |
1978 | if (!check_cert_push_options(&push_options)) { |
1979 | struct command *cmd; | |
1980 | for (cmd = commands; cmd; cmd = cmd->next) | |
1981 | cmd->error_string = "inconsistent push options"; | |
1982 | } | |
c714e45f | 1983 | |
5dbd7676 | 1984 | prepare_shallow_info(&si, &shallow); |
0a1bc12b NTND |
1985 | if (!si.nr_ours && !si.nr_theirs) |
1986 | shallow_update = 0; | |
5dbd7676 NTND |
1987 | if (!delete_only(commands)) { |
1988 | unpack_status = unpack_with_sideband(&si); | |
1989 | update_shallow_info(commands, &si, &ref); | |
1990 | } | |
83558686 | 1991 | use_keepalive = KEEPALIVE_ALWAYS; |
77a9745d SB |
1992 | execute_commands(commands, unpack_status, &si, |
1993 | &push_options); | |
576162a4 | 1994 | if (pack_lockfile) |
691f1a28 | 1995 | unlink_or_warn(pack_lockfile); |
cfee10a7 | 1996 | if (report_status) |
5e1c71fd | 1997 | report(commands, unpack_status); |
77a9745d SB |
1998 | run_receive_hook(commands, "post-receive", 1, |
1999 | &push_options); | |
8e663d9e | 2000 | run_update_post_hook(commands); |
4432dd6b | 2001 | string_list_clear(&push_options, 0); |
77e3efbf JH |
2002 | if (auto_gc) { |
2003 | const char *argv_gc_auto[] = { | |
2004 | "gc", "--auto", "--quiet", NULL, | |
2005 | }; | |
860a2ebe LF |
2006 | struct child_process proc = CHILD_PROCESS_INIT; |
2007 | ||
2008 | proc.no_stdin = 1; | |
2009 | proc.stdout_to_stderr = 1; | |
2010 | proc.err = use_sideband ? -1 : 0; | |
2011 | proc.git_cmd = 1; | |
2012 | proc.argv = argv_gc_auto; | |
2013 | ||
d5621020 | 2014 | close_all_packs(); |
860a2ebe LF |
2015 | if (!start_command(&proc)) { |
2016 | if (use_sideband) | |
2017 | copy_to_sideband(proc.err, -1, NULL); | |
2018 | finish_command(&proc); | |
2019 | } | |
77e3efbf JH |
2020 | } |
2021 | if (auto_update_server_info) | |
2022 | update_server_info(0); | |
5dbd7676 | 2023 | clear_shallow_info(&si); |
7f8e9828 | 2024 | } |
38a81b4e SP |
2025 | if (use_sideband) |
2026 | packet_flush(1); | |
910650d2 | 2027 | oid_array_clear(&shallow); |
2028 | oid_array_clear(&ref); | |
b89363e4 | 2029 | free((void *)push_cert_nonce); |
575f4974 LT |
2030 | return 0; |
2031 | } |