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Commit | Line | Data |
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1e4cd68c | 1 | #include "builtin.h" |
697cc8ef | 2 | #include "lockfile.h" |
fc04c412 | 3 | #include "pack.h" |
8a65ff76 | 4 | #include "refs.h" |
f3a3214e | 5 | #include "pkt-line.h" |
38a81b4e | 6 | #include "sideband.h" |
b1bf95bb | 7 | #include "run-command.h" |
576162a4 | 8 | #include "exec_cmd.h" |
11031d7e JS |
9 | #include "commit.h" |
10 | #include "object.h" | |
d79796bc | 11 | #include "remote.h" |
47a59185 | 12 | #include "connect.h" |
d79796bc | 13 | #include "transport.h" |
da3efdb1 | 14 | #include "string-list.h" |
cff38a5e | 15 | #include "sha1-array.h" |
52fed6e1 | 16 | #include "connected.h" |
31c42bff | 17 | #include "argv-array.h" |
ff5effdf | 18 | #include "version.h" |
d05b9618 JH |
19 | #include "tag.h" |
20 | #include "gpg-interface.h" | |
ec7dbd14 | 21 | #include "sigchain.h" |
575f4974 | 22 | |
34263de0 | 23 | static const char receive_pack_usage[] = "git receive-pack <git-dir>"; |
575f4974 | 24 | |
986e8239 | 25 | enum deny_action { |
3d95d92b | 26 | DENY_UNCONFIGURED, |
986e8239 JK |
27 | DENY_IGNORE, |
28 | DENY_WARN, | |
4b05548f | 29 | DENY_REFUSE |
986e8239 JK |
30 | }; |
31 | ||
1b53a076 JH |
32 | static int deny_deletes; |
33 | static int deny_non_fast_forwards; | |
3d95d92b | 34 | static enum deny_action deny_current_branch = DENY_UNCONFIGURED; |
747ca245 | 35 | static enum deny_action deny_delete_current = DENY_UNCONFIGURED; |
dab76d3a JH |
36 | static int receive_fsck_objects = -1; |
37 | static int transfer_fsck_objects = -1; | |
e28714c5 JH |
38 | static int receive_unpack_limit = -1; |
39 | static int transfer_unpack_limit = -1; | |
46732fae | 40 | static int unpack_limit = 100; |
96f1e58f | 41 | static int report_status; |
38a81b4e | 42 | static int use_sideband; |
c207e34f | 43 | static int quiet; |
b74fce16 | 44 | static int prefer_ofs_delta = 1; |
77e3efbf JH |
45 | static int auto_update_server_info; |
46 | static int auto_gc = 1; | |
f7c815c3 | 47 | static int fix_thin = 1; |
5732373d JH |
48 | static int stateless_rpc; |
49 | static const char *service_dir; | |
747ca245 | 50 | static const char *head_name; |
96ec7b1e | 51 | static void *head_name_to_free; |
185c04e0 | 52 | static int sent_capabilities; |
0a1bc12b | 53 | static int shallow_update; |
5dbd7676 | 54 | static const char *alt_shallow_file; |
a85b377d JH |
55 | static struct strbuf push_cert = STRBUF_INIT; |
56 | static unsigned char push_cert_sha1[20]; | |
d05b9618 | 57 | static struct signature_check sigcheck; |
b89363e4 JH |
58 | static const char *push_cert_nonce; |
59 | static const char *cert_nonce_seed; | |
60 | ||
61 | static const char *NONCE_UNSOLICITED = "UNSOLICITED"; | |
62 | static const char *NONCE_BAD = "BAD"; | |
63 | static const char *NONCE_MISSING = "MISSING"; | |
64 | static const char *NONCE_OK = "OK"; | |
5732373d | 65 | static const char *NONCE_SLOP = "SLOP"; |
b89363e4 | 66 | static const char *nonce_status; |
5732373d JH |
67 | static long nonce_stamp_slop; |
68 | static unsigned long nonce_stamp_slop_limit; | |
cfee10a7 | 69 | |
986e8239 JK |
70 | static enum deny_action parse_deny_action(const char *var, const char *value) |
71 | { | |
72 | if (value) { | |
73 | if (!strcasecmp(value, "ignore")) | |
74 | return DENY_IGNORE; | |
75 | if (!strcasecmp(value, "warn")) | |
76 | return DENY_WARN; | |
77 | if (!strcasecmp(value, "refuse")) | |
78 | return DENY_REFUSE; | |
79 | } | |
80 | if (git_config_bool(var, value)) | |
81 | return DENY_REFUSE; | |
82 | return DENY_IGNORE; | |
83 | } | |
84 | ||
ef90d6d4 | 85 | static int receive_pack_config(const char *var, const char *value, void *cb) |
6fb75bed | 86 | { |
daebaa78 JH |
87 | int status = parse_hide_refs_config(var, value, "receive"); |
88 | ||
89 | if (status) | |
90 | return status; | |
91 | ||
a240de11 JK |
92 | if (strcmp(var, "receive.denydeletes") == 0) { |
93 | deny_deletes = git_config_bool(var, value); | |
94 | return 0; | |
95 | } | |
96 | ||
e28714c5 | 97 | if (strcmp(var, "receive.denynonfastforwards") == 0) { |
6fb75bed SP |
98 | deny_non_fast_forwards = git_config_bool(var, value); |
99 | return 0; | |
100 | } | |
101 | ||
e28714c5 JH |
102 | if (strcmp(var, "receive.unpacklimit") == 0) { |
103 | receive_unpack_limit = git_config_int(var, value); | |
fc04c412 SP |
104 | return 0; |
105 | } | |
106 | ||
e28714c5 JH |
107 | if (strcmp(var, "transfer.unpacklimit") == 0) { |
108 | transfer_unpack_limit = git_config_int(var, value); | |
109 | return 0; | |
110 | } | |
111 | ||
20dc0016 MK |
112 | if (strcmp(var, "receive.fsckobjects") == 0) { |
113 | receive_fsck_objects = git_config_bool(var, value); | |
114 | return 0; | |
115 | } | |
116 | ||
dab76d3a JH |
117 | if (strcmp(var, "transfer.fsckobjects") == 0) { |
118 | transfer_fsck_objects = git_config_bool(var, value); | |
119 | return 0; | |
120 | } | |
121 | ||
986e8239 JK |
122 | if (!strcmp(var, "receive.denycurrentbranch")) { |
123 | deny_current_branch = parse_deny_action(var, value); | |
124 | return 0; | |
125 | } | |
126 | ||
747ca245 JH |
127 | if (strcmp(var, "receive.denydeletecurrent") == 0) { |
128 | deny_delete_current = parse_deny_action(var, value); | |
129 | return 0; | |
130 | } | |
131 | ||
b74fce16 NP |
132 | if (strcmp(var, "repack.usedeltabaseoffset") == 0) { |
133 | prefer_ofs_delta = git_config_bool(var, value); | |
134 | return 0; | |
135 | } | |
136 | ||
77e3efbf JH |
137 | if (strcmp(var, "receive.updateserverinfo") == 0) { |
138 | auto_update_server_info = git_config_bool(var, value); | |
139 | return 0; | |
140 | } | |
141 | ||
142 | if (strcmp(var, "receive.autogc") == 0) { | |
143 | auto_gc = git_config_bool(var, value); | |
144 | return 0; | |
145 | } | |
146 | ||
0a1bc12b NTND |
147 | if (strcmp(var, "receive.shallowupdate") == 0) { |
148 | shallow_update = git_config_bool(var, value); | |
149 | return 0; | |
150 | } | |
151 | ||
b89363e4 JH |
152 | if (strcmp(var, "receive.certnonceseed") == 0) |
153 | return git_config_string(&cert_nonce_seed, var, value); | |
a85b377d | 154 | |
5732373d JH |
155 | if (strcmp(var, "receive.certnonceslop") == 0) { |
156 | nonce_stamp_slop_limit = git_config_ulong(var, value); | |
157 | return 0; | |
158 | } | |
159 | ||
ef90d6d4 | 160 | return git_default_config(var, value, cb); |
6fb75bed SP |
161 | } |
162 | ||
bc98201d | 163 | static void show_ref(const char *path, const unsigned char *sha1) |
575f4974 | 164 | { |
daebaa78 JH |
165 | if (ref_is_hidden(path)) |
166 | return; | |
167 | ||
52d2ae58 | 168 | if (sent_capabilities) { |
cfee10a7 | 169 | packet_write(1, "%s %s\n", sha1_to_hex(sha1), path); |
52d2ae58 JH |
170 | } else { |
171 | struct strbuf cap = STRBUF_INIT; | |
172 | ||
173 | strbuf_addstr(&cap, | |
174 | "report-status delete-refs side-band-64k quiet"); | |
175 | if (prefer_ofs_delta) | |
176 | strbuf_addstr(&cap, " ofs-delta"); | |
b89363e4 JH |
177 | if (push_cert_nonce) |
178 | strbuf_addf(&cap, " push-cert=%s", push_cert_nonce); | |
52d2ae58 JH |
179 | strbuf_addf(&cap, " agent=%s", git_user_agent_sanitized()); |
180 | packet_write(1, "%s %s%c%s\n", | |
181 | sha1_to_hex(sha1), path, 0, cap.buf); | |
182 | strbuf_release(&cap); | |
183 | sent_capabilities = 1; | |
184 | } | |
575f4974 LT |
185 | } |
186 | ||
bc98201d | 187 | static int show_ref_cb(const char *path, const unsigned char *sha1, int flag, void *unused) |
6b01ecfe JT |
188 | { |
189 | path = strip_namespace(path); | |
190 | /* | |
191 | * Advertise refs outside our current namespace as ".have" | |
192 | * refs, so that the client can use them to minimize data | |
193 | * transfer but will otherwise ignore them. This happens to | |
194 | * cover ".have" that are thrown in by add_one_alternate_ref() | |
195 | * to mark histories that are complete in our alternates as | |
196 | * well. | |
197 | */ | |
198 | if (!path) | |
199 | path = ".have"; | |
bc98201d MH |
200 | show_ref(path, sha1); |
201 | return 0; | |
6b01ecfe JT |
202 | } |
203 | ||
85f25104 | 204 | static void show_one_alternate_sha1(const unsigned char sha1[20], void *unused) |
b7a025d9 | 205 | { |
85f25104 | 206 | show_ref(".have", sha1); |
b7a025d9 MH |
207 | } |
208 | ||
209 | static void collect_one_alternate_ref(const struct ref *ref, void *data) | |
210 | { | |
211 | struct sha1_array *sa = data; | |
212 | sha1_array_append(sa, ref->old_sha1); | |
6b01ecfe JT |
213 | } |
214 | ||
8a65ff76 | 215 | static void write_head_info(void) |
575f4974 | 216 | { |
b7a025d9 MH |
217 | struct sha1_array sa = SHA1_ARRAY_INIT; |
218 | for_each_alternate_ref(collect_one_alternate_ref, &sa); | |
85f25104 | 219 | sha1_array_for_each_unique(&sa, show_one_alternate_sha1, NULL); |
b7a025d9 | 220 | sha1_array_clear(&sa); |
6b01ecfe | 221 | for_each_ref(show_ref_cb, NULL); |
185c04e0 | 222 | if (!sent_capabilities) |
bc98201d | 223 | show_ref("capabilities^{}", null_sha1); |
cfee10a7 | 224 | |
ad491366 NTND |
225 | advertise_shallow_grafts(1); |
226 | ||
b7a025d9 MH |
227 | /* EOF */ |
228 | packet_flush(1); | |
575f4974 LT |
229 | } |
230 | ||
eb1af2df LT |
231 | struct command { |
232 | struct command *next; | |
cfee10a7 | 233 | const char *error_string; |
160b81ed PYH |
234 | unsigned int skip_update:1, |
235 | did_not_exist:1; | |
5dbd7676 | 236 | int index; |
eb1af2df LT |
237 | unsigned char old_sha1[20]; |
238 | unsigned char new_sha1[20]; | |
8f1d2e6f | 239 | char ref_name[FLEX_ARRAY]; /* more */ |
575f4974 LT |
240 | }; |
241 | ||
466dbc42 SP |
242 | static void rp_error(const char *err, ...) __attribute__((format (printf, 1, 2))); |
243 | static void rp_warning(const char *err, ...) __attribute__((format (printf, 1, 2))); | |
244 | ||
245 | static void report_message(const char *prefix, const char *err, va_list params) | |
246 | { | |
247 | int sz = strlen(prefix); | |
248 | char msg[4096]; | |
249 | ||
250 | strncpy(msg, prefix, sz); | |
251 | sz += vsnprintf(msg + sz, sizeof(msg) - sz, err, params); | |
252 | if (sz > (sizeof(msg) - 1)) | |
253 | sz = sizeof(msg) - 1; | |
254 | msg[sz++] = '\n'; | |
255 | ||
256 | if (use_sideband) | |
257 | send_sideband(1, 2, msg, sz, use_sideband); | |
258 | else | |
259 | xwrite(2, msg, sz); | |
260 | } | |
261 | ||
262 | static void rp_warning(const char *err, ...) | |
263 | { | |
264 | va_list params; | |
265 | va_start(params, err); | |
266 | report_message("warning: ", err, params); | |
267 | va_end(params); | |
268 | } | |
269 | ||
270 | static void rp_error(const char *err, ...) | |
271 | { | |
272 | va_list params; | |
273 | va_start(params, err); | |
274 | report_message("error: ", err, params); | |
275 | va_end(params); | |
276 | } | |
277 | ||
6d525d38 SP |
278 | static int copy_to_sideband(int in, int out, void *arg) |
279 | { | |
280 | char data[128]; | |
281 | while (1) { | |
282 | ssize_t sz = xread(in, data, sizeof(data)); | |
283 | if (sz <= 0) | |
284 | break; | |
285 | send_sideband(1, 2, data, sz, use_sideband); | |
286 | } | |
287 | close(in); | |
288 | return 0; | |
289 | } | |
290 | ||
b89363e4 JH |
291 | #define HMAC_BLOCK_SIZE 64 |
292 | ||
6f5ef44e | 293 | static void hmac_sha1(unsigned char *out, |
b89363e4 JH |
294 | const char *key_in, size_t key_len, |
295 | const char *text, size_t text_len) | |
296 | { | |
297 | unsigned char key[HMAC_BLOCK_SIZE]; | |
298 | unsigned char k_ipad[HMAC_BLOCK_SIZE]; | |
299 | unsigned char k_opad[HMAC_BLOCK_SIZE]; | |
300 | int i; | |
301 | git_SHA_CTX ctx; | |
302 | ||
303 | /* RFC 2104 2. (1) */ | |
304 | memset(key, '\0', HMAC_BLOCK_SIZE); | |
305 | if (HMAC_BLOCK_SIZE < key_len) { | |
306 | git_SHA1_Init(&ctx); | |
307 | git_SHA1_Update(&ctx, key_in, key_len); | |
308 | git_SHA1_Final(key, &ctx); | |
309 | } else { | |
310 | memcpy(key, key_in, key_len); | |
311 | } | |
312 | ||
313 | /* RFC 2104 2. (2) & (5) */ | |
314 | for (i = 0; i < sizeof(key); i++) { | |
315 | k_ipad[i] = key[i] ^ 0x36; | |
316 | k_opad[i] = key[i] ^ 0x5c; | |
317 | } | |
318 | ||
319 | /* RFC 2104 2. (3) & (4) */ | |
320 | git_SHA1_Init(&ctx); | |
321 | git_SHA1_Update(&ctx, k_ipad, sizeof(k_ipad)); | |
322 | git_SHA1_Update(&ctx, text, text_len); | |
323 | git_SHA1_Final(out, &ctx); | |
324 | ||
325 | /* RFC 2104 2. (6) & (7) */ | |
326 | git_SHA1_Init(&ctx); | |
327 | git_SHA1_Update(&ctx, k_opad, sizeof(k_opad)); | |
6f5ef44e | 328 | git_SHA1_Update(&ctx, out, 20); |
b89363e4 JH |
329 | git_SHA1_Final(out, &ctx); |
330 | } | |
331 | ||
332 | static char *prepare_push_cert_nonce(const char *path, unsigned long stamp) | |
333 | { | |
334 | struct strbuf buf = STRBUF_INIT; | |
335 | unsigned char sha1[20]; | |
336 | ||
337 | strbuf_addf(&buf, "%s:%lu", path, stamp); | |
338 | hmac_sha1(sha1, buf.buf, buf.len, cert_nonce_seed, strlen(cert_nonce_seed));; | |
339 | strbuf_release(&buf); | |
340 | ||
341 | /* RFC 2104 5. HMAC-SHA1-80 */ | |
342 | strbuf_addf(&buf, "%lu-%.*s", stamp, 20, sha1_to_hex(sha1)); | |
343 | return strbuf_detach(&buf, NULL); | |
344 | } | |
345 | ||
346 | /* | |
347 | * NEEDSWORK: reuse find_commit_header() from jk/commit-author-parsing | |
348 | * after dropping "_commit" from its name and possibly moving it out | |
349 | * of commit.c | |
350 | */ | |
351 | static char *find_header(const char *msg, size_t len, const char *key) | |
352 | { | |
353 | int key_len = strlen(key); | |
354 | const char *line = msg; | |
355 | ||
356 | while (line && line < msg + len) { | |
357 | const char *eol = strchrnul(line, '\n'); | |
358 | ||
359 | if ((msg + len <= eol) || line == eol) | |
360 | return NULL; | |
361 | if (line + key_len < eol && | |
362 | !memcmp(line, key, key_len) && line[key_len] == ' ') { | |
363 | int offset = key_len + 1; | |
364 | return xmemdupz(line + offset, (eol - line) - offset); | |
365 | } | |
366 | line = *eol ? eol + 1 : NULL; | |
367 | } | |
368 | return NULL; | |
369 | } | |
370 | ||
371 | static const char *check_nonce(const char *buf, size_t len) | |
372 | { | |
373 | char *nonce = find_header(buf, len, "nonce"); | |
5732373d JH |
374 | unsigned long stamp, ostamp; |
375 | char *bohmac, *expect = NULL; | |
b89363e4 JH |
376 | const char *retval = NONCE_BAD; |
377 | ||
378 | if (!nonce) { | |
379 | retval = NONCE_MISSING; | |
380 | goto leave; | |
381 | } else if (!push_cert_nonce) { | |
382 | retval = NONCE_UNSOLICITED; | |
383 | goto leave; | |
384 | } else if (!strcmp(push_cert_nonce, nonce)) { | |
385 | retval = NONCE_OK; | |
386 | goto leave; | |
387 | } | |
388 | ||
5732373d JH |
389 | if (!stateless_rpc) { |
390 | /* returned nonce MUST match what we gave out earlier */ | |
391 | retval = NONCE_BAD; | |
392 | goto leave; | |
393 | } | |
394 | ||
395 | /* | |
396 | * In stateless mode, we may be receiving a nonce issued by | |
397 | * another instance of the server that serving the same | |
398 | * repository, and the timestamps may not match, but the | |
399 | * nonce-seed and dir should match, so we can recompute and | |
400 | * report the time slop. | |
401 | * | |
402 | * In addition, when a nonce issued by another instance has | |
403 | * timestamp within receive.certnonceslop seconds, we pretend | |
404 | * as if we issued that nonce when reporting to the hook. | |
405 | */ | |
406 | ||
407 | /* nonce is concat(<seconds-since-epoch>, "-", <hmac>) */ | |
408 | if (*nonce <= '0' || '9' < *nonce) { | |
409 | retval = NONCE_BAD; | |
410 | goto leave; | |
411 | } | |
412 | stamp = strtoul(nonce, &bohmac, 10); | |
413 | if (bohmac == nonce || bohmac[0] != '-') { | |
414 | retval = NONCE_BAD; | |
415 | goto leave; | |
416 | } | |
417 | ||
418 | expect = prepare_push_cert_nonce(service_dir, stamp); | |
419 | if (strcmp(expect, nonce)) { | |
420 | /* Not what we would have signed earlier */ | |
421 | retval = NONCE_BAD; | |
422 | goto leave; | |
423 | } | |
424 | ||
425 | /* | |
426 | * By how many seconds is this nonce stale? Negative value | |
427 | * would mean it was issued by another server with its clock | |
428 | * skewed in the future. | |
429 | */ | |
430 | ostamp = strtoul(push_cert_nonce, NULL, 10); | |
431 | nonce_stamp_slop = (long)ostamp - (long)stamp; | |
432 | ||
433 | if (nonce_stamp_slop_limit && | |
31a8aa1e | 434 | labs(nonce_stamp_slop) <= nonce_stamp_slop_limit) { |
5732373d JH |
435 | /* |
436 | * Pretend as if the received nonce (which passes the | |
437 | * HMAC check, so it is not a forged by third-party) | |
438 | * is what we issued. | |
439 | */ | |
440 | free((void *)push_cert_nonce); | |
441 | push_cert_nonce = xstrdup(nonce); | |
442 | retval = NONCE_OK; | |
443 | } else { | |
444 | retval = NONCE_SLOP; | |
445 | } | |
b89363e4 JH |
446 | |
447 | leave: | |
448 | free(nonce); | |
5732373d | 449 | free(expect); |
b89363e4 JH |
450 | return retval; |
451 | } | |
452 | ||
a85b377d JH |
453 | static void prepare_push_cert_sha1(struct child_process *proc) |
454 | { | |
455 | static int already_done; | |
a85b377d JH |
456 | |
457 | if (!push_cert.len) | |
458 | return; | |
459 | ||
460 | if (!already_done) { | |
d05b9618 JH |
461 | struct strbuf gpg_output = STRBUF_INIT; |
462 | struct strbuf gpg_status = STRBUF_INIT; | |
463 | int bogs /* beginning_of_gpg_sig */; | |
464 | ||
a85b377d JH |
465 | already_done = 1; |
466 | if (write_sha1_file(push_cert.buf, push_cert.len, "blob", push_cert_sha1)) | |
467 | hashclr(push_cert_sha1); | |
d05b9618 JH |
468 | |
469 | memset(&sigcheck, '\0', sizeof(sigcheck)); | |
470 | sigcheck.result = 'N'; | |
471 | ||
472 | bogs = parse_signature(push_cert.buf, push_cert.len); | |
473 | if (verify_signed_buffer(push_cert.buf, bogs, | |
474 | push_cert.buf + bogs, push_cert.len - bogs, | |
475 | &gpg_output, &gpg_status) < 0) { | |
476 | ; /* error running gpg */ | |
477 | } else { | |
478 | sigcheck.payload = push_cert.buf; | |
479 | sigcheck.gpg_output = gpg_output.buf; | |
480 | sigcheck.gpg_status = gpg_status.buf; | |
481 | parse_gpg_output(&sigcheck); | |
482 | } | |
483 | ||
484 | strbuf_release(&gpg_output); | |
485 | strbuf_release(&gpg_status); | |
b89363e4 | 486 | nonce_status = check_nonce(push_cert.buf, bogs); |
a85b377d JH |
487 | } |
488 | if (!is_null_sha1(push_cert_sha1)) { | |
a9154590 RS |
489 | argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT=%s", |
490 | sha1_to_hex(push_cert_sha1)); | |
491 | argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_SIGNER=%s", | |
d05b9618 | 492 | sigcheck.signer ? sigcheck.signer : ""); |
a9154590 | 493 | argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_KEY=%s", |
d05b9618 | 494 | sigcheck.key ? sigcheck.key : ""); |
a9154590 RS |
495 | argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_STATUS=%c", |
496 | sigcheck.result); | |
b89363e4 | 497 | if (push_cert_nonce) { |
a9154590 RS |
498 | argv_array_pushf(&proc->env_array, |
499 | "GIT_PUSH_CERT_NONCE=%s", | |
500 | push_cert_nonce); | |
501 | argv_array_pushf(&proc->env_array, | |
502 | "GIT_PUSH_CERT_NONCE_STATUS=%s", | |
503 | nonce_status); | |
5732373d | 504 | if (nonce_status == NONCE_SLOP) |
a9154590 RS |
505 | argv_array_pushf(&proc->env_array, |
506 | "GIT_PUSH_CERT_NONCE_SLOP=%ld", | |
5732373d | 507 | nonce_stamp_slop); |
b89363e4 | 508 | } |
a85b377d JH |
509 | } |
510 | } | |
511 | ||
9684e44a JH |
512 | typedef int (*feed_fn)(void *, const char **, size_t *); |
513 | static int run_and_feed_hook(const char *hook_name, feed_fn feed, void *feed_state) | |
b1bf95bb | 514 | { |
d3180279 | 515 | struct child_process proc = CHILD_PROCESS_INIT; |
6d525d38 | 516 | struct async muxer; |
f43cd49f | 517 | const char *argv[2]; |
9684e44a | 518 | int code; |
b1bf95bb | 519 | |
5a7da2dc AS |
520 | argv[0] = find_hook(hook_name); |
521 | if (!argv[0]) | |
b1bf95bb | 522 | return 0; |
c8dd2771 | 523 | |
f43cd49f SP |
524 | argv[1] = NULL; |
525 | ||
f43cd49f SP |
526 | proc.argv = argv; |
527 | proc.in = -1; | |
528 | proc.stdout_to_stderr = 1; | |
529 | ||
6d525d38 SP |
530 | if (use_sideband) { |
531 | memset(&muxer, 0, sizeof(muxer)); | |
532 | muxer.proc = copy_to_sideband; | |
533 | muxer.in = -1; | |
534 | code = start_async(&muxer); | |
535 | if (code) | |
536 | return code; | |
537 | proc.err = muxer.in; | |
538 | } | |
539 | ||
5d222c09 RS |
540 | prepare_push_cert_sha1(&proc); |
541 | ||
f43cd49f | 542 | code = start_command(&proc); |
6d525d38 SP |
543 | if (code) { |
544 | if (use_sideband) | |
545 | finish_async(&muxer); | |
90e41a89 | 546 | return code; |
6d525d38 SP |
547 | } |
548 | ||
ec7dbd14 JH |
549 | sigchain_push(SIGPIPE, SIG_IGN); |
550 | ||
9684e44a JH |
551 | while (1) { |
552 | const char *buf; | |
553 | size_t n; | |
554 | if (feed(feed_state, &buf, &n)) | |
555 | break; | |
556 | if (write_in_full(proc.in, buf, n) != n) | |
557 | break; | |
c8dd2771 | 558 | } |
e72ae288 | 559 | close(proc.in); |
6d525d38 SP |
560 | if (use_sideband) |
561 | finish_async(&muxer); | |
ec7dbd14 JH |
562 | |
563 | sigchain_pop(SIGPIPE); | |
564 | ||
90e41a89 | 565 | return finish_command(&proc); |
b1bf95bb JW |
566 | } |
567 | ||
9684e44a JH |
568 | struct receive_hook_feed_state { |
569 | struct command *cmd; | |
cdc2b2f3 | 570 | int skip_broken; |
9684e44a JH |
571 | struct strbuf buf; |
572 | }; | |
573 | ||
574 | static int feed_receive_hook(void *state_, const char **bufp, size_t *sizep) | |
575 | { | |
576 | struct receive_hook_feed_state *state = state_; | |
577 | struct command *cmd = state->cmd; | |
578 | ||
cdc2b2f3 JH |
579 | while (cmd && |
580 | state->skip_broken && (cmd->error_string || cmd->did_not_exist)) | |
9684e44a JH |
581 | cmd = cmd->next; |
582 | if (!cmd) | |
583 | return -1; /* EOF */ | |
584 | strbuf_reset(&state->buf); | |
585 | strbuf_addf(&state->buf, "%s %s %s\n", | |
586 | sha1_to_hex(cmd->old_sha1), sha1_to_hex(cmd->new_sha1), | |
587 | cmd->ref_name); | |
588 | state->cmd = cmd->next; | |
589 | if (bufp) { | |
590 | *bufp = state->buf.buf; | |
591 | *sizep = state->buf.len; | |
592 | } | |
593 | return 0; | |
594 | } | |
595 | ||
cdc2b2f3 JH |
596 | static int run_receive_hook(struct command *commands, const char *hook_name, |
597 | int skip_broken) | |
9684e44a JH |
598 | { |
599 | struct receive_hook_feed_state state; | |
600 | int status; | |
601 | ||
602 | strbuf_init(&state.buf, 0); | |
603 | state.cmd = commands; | |
cdc2b2f3 | 604 | state.skip_broken = skip_broken; |
9684e44a JH |
605 | if (feed_receive_hook(&state, NULL, NULL)) |
606 | return 0; | |
607 | state.cmd = commands; | |
608 | status = run_and_feed_hook(hook_name, feed_receive_hook, &state); | |
609 | strbuf_release(&state.buf); | |
610 | return status; | |
611 | } | |
612 | ||
1d9e8b56 SP |
613 | static int run_update_hook(struct command *cmd) |
614 | { | |
1d9e8b56 | 615 | const char *argv[5]; |
d3180279 | 616 | struct child_process proc = CHILD_PROCESS_INIT; |
6d525d38 | 617 | int code; |
1d9e8b56 | 618 | |
5a7da2dc AS |
619 | argv[0] = find_hook("update"); |
620 | if (!argv[0]) | |
1d9e8b56 SP |
621 | return 0; |
622 | ||
1d9e8b56 SP |
623 | argv[1] = cmd->ref_name; |
624 | argv[2] = sha1_to_hex(cmd->old_sha1); | |
625 | argv[3] = sha1_to_hex(cmd->new_sha1); | |
626 | argv[4] = NULL; | |
627 | ||
6d525d38 SP |
628 | proc.no_stdin = 1; |
629 | proc.stdout_to_stderr = 1; | |
630 | proc.err = use_sideband ? -1 : 0; | |
631 | proc.argv = argv; | |
632 | ||
633 | code = start_command(&proc); | |
634 | if (code) | |
635 | return code; | |
636 | if (use_sideband) | |
637 | copy_to_sideband(proc.err, -1, NULL); | |
638 | return finish_command(&proc); | |
1d9e8b56 SP |
639 | } |
640 | ||
986e8239 JK |
641 | static int is_ref_checked_out(const char *ref) |
642 | { | |
986e8239 JK |
643 | if (is_bare_repository()) |
644 | return 0; | |
645 | ||
747ca245 | 646 | if (!head_name) |
986e8239 | 647 | return 0; |
747ca245 | 648 | return !strcmp(head_name, ref); |
986e8239 JK |
649 | } |
650 | ||
acd2a45b JH |
651 | static char *refuse_unconfigured_deny_msg[] = { |
652 | "By default, updating the current branch in a non-bare repository", | |
653 | "is denied, because it will make the index and work tree inconsistent", | |
654 | "with what you pushed, and will require 'git reset --hard' to match", | |
655 | "the work tree to HEAD.", | |
3d95d92b JH |
656 | "", |
657 | "You can set 'receive.denyCurrentBranch' configuration variable to", | |
acd2a45b JH |
658 | "'ignore' or 'warn' in the remote repository to allow pushing into", |
659 | "its current branch; however, this is not recommended unless you", | |
660 | "arranged to update its work tree to match what you pushed in some", | |
661 | "other way.", | |
3d95d92b | 662 | "", |
acd2a45b JH |
663 | "To squelch this message and still keep the default behaviour, set", |
664 | "'receive.denyCurrentBranch' configuration variable to 'refuse'." | |
3d95d92b JH |
665 | }; |
666 | ||
acd2a45b | 667 | static void refuse_unconfigured_deny(void) |
3d95d92b JH |
668 | { |
669 | int i; | |
acd2a45b | 670 | for (i = 0; i < ARRAY_SIZE(refuse_unconfigured_deny_msg); i++) |
a886ba28 | 671 | rp_error("%s", refuse_unconfigured_deny_msg[i]); |
3d95d92b JH |
672 | } |
673 | ||
375881fa JH |
674 | static char *refuse_unconfigured_deny_delete_current_msg[] = { |
675 | "By default, deleting the current branch is denied, because the next", | |
676 | "'git clone' won't result in any file checked out, causing confusion.", | |
747ca245 JH |
677 | "", |
678 | "You can set 'receive.denyDeleteCurrent' configuration variable to", | |
375881fa JH |
679 | "'warn' or 'ignore' in the remote repository to allow deleting the", |
680 | "current branch, with or without a warning message.", | |
747ca245 | 681 | "", |
375881fa | 682 | "To squelch this message, you can set it to 'refuse'." |
747ca245 JH |
683 | }; |
684 | ||
375881fa | 685 | static void refuse_unconfigured_deny_delete_current(void) |
747ca245 JH |
686 | { |
687 | int i; | |
688 | for (i = 0; | |
375881fa | 689 | i < ARRAY_SIZE(refuse_unconfigured_deny_delete_current_msg); |
747ca245 | 690 | i++) |
a886ba28 | 691 | rp_error("%s", refuse_unconfigured_deny_delete_current_msg[i]); |
747ca245 JH |
692 | } |
693 | ||
0a1bc12b NTND |
694 | static int command_singleton_iterator(void *cb_data, unsigned char sha1[20]); |
695 | static int update_shallow_ref(struct command *cmd, struct shallow_info *si) | |
696 | { | |
697 | static struct lock_file shallow_lock; | |
698 | struct sha1_array extra = SHA1_ARRAY_INIT; | |
699 | const char *alt_file; | |
700 | uint32_t mask = 1 << (cmd->index % 32); | |
701 | int i; | |
702 | ||
6aa30857 | 703 | trace_printf_key(&trace_shallow, |
0a1bc12b NTND |
704 | "shallow: update_shallow_ref %s\n", cmd->ref_name); |
705 | for (i = 0; i < si->shallow->nr; i++) | |
706 | if (si->used_shallow[i] && | |
707 | (si->used_shallow[i][cmd->index / 32] & mask) && | |
708 | !delayed_reachability_test(si, i)) | |
709 | sha1_array_append(&extra, si->shallow->sha1[i]); | |
710 | ||
711 | setup_alternate_shallow(&shallow_lock, &alt_file, &extra); | |
712 | if (check_shallow_connected(command_singleton_iterator, | |
713 | 0, cmd, alt_file)) { | |
714 | rollback_lock_file(&shallow_lock); | |
715 | sha1_array_clear(&extra); | |
716 | return -1; | |
717 | } | |
718 | ||
719 | commit_lock_file(&shallow_lock); | |
720 | ||
721 | /* | |
722 | * Make sure setup_alternate_shallow() for the next ref does | |
723 | * not lose these new roots.. | |
724 | */ | |
725 | for (i = 0; i < extra.nr; i++) | |
726 | register_shallow(extra.sha1[i]); | |
727 | ||
728 | si->shallow_ref[cmd->index] = 0; | |
729 | sha1_array_clear(&extra); | |
730 | return 0; | |
731 | } | |
732 | ||
733 | static const char *update(struct command *cmd, struct shallow_info *si) | |
2eca23da | 734 | { |
cfee10a7 | 735 | const char *name = cmd->ref_name; |
6b01ecfe JT |
736 | struct strbuf namespaced_name_buf = STRBUF_INIT; |
737 | const char *namespaced_name; | |
cfee10a7 JH |
738 | unsigned char *old_sha1 = cmd->old_sha1; |
739 | unsigned char *new_sha1 = cmd->new_sha1; | |
2eca23da | 740 | |
061d6b9a | 741 | /* only refs/... are allowed */ |
59556548 | 742 | if (!starts_with(name, "refs/") || check_refname_format(name + 5, 0)) { |
466dbc42 | 743 | rp_error("refusing to create funny ref '%s' remotely", name); |
8aaf7d64 | 744 | return "funny refname"; |
cfee10a7 | 745 | } |
d8a1deec | 746 | |
6b01ecfe JT |
747 | strbuf_addf(&namespaced_name_buf, "%s%s", get_git_namespace(), name); |
748 | namespaced_name = strbuf_detach(&namespaced_name_buf, NULL); | |
749 | ||
750 | if (is_ref_checked_out(namespaced_name)) { | |
3d95d92b JH |
751 | switch (deny_current_branch) { |
752 | case DENY_IGNORE: | |
986e8239 | 753 | break; |
3d95d92b | 754 | case DENY_WARN: |
466dbc42 | 755 | rp_warning("updating the current branch"); |
986e8239 | 756 | break; |
3d95d92b | 757 | case DENY_REFUSE: |
acd2a45b | 758 | case DENY_UNCONFIGURED: |
466dbc42 | 759 | rp_error("refusing to update checked out branch: %s", name); |
acd2a45b JH |
760 | if (deny_current_branch == DENY_UNCONFIGURED) |
761 | refuse_unconfigured_deny(); | |
3d95d92b JH |
762 | return "branch is currently checked out"; |
763 | } | |
986e8239 JK |
764 | } |
765 | ||
d4f694ba | 766 | if (!is_null_sha1(new_sha1) && !has_sha1_file(new_sha1)) { |
8aaf7d64 SP |
767 | error("unpack should have generated %s, " |
768 | "but I can't find it!", sha1_to_hex(new_sha1)); | |
769 | return "bad pack"; | |
cfee10a7 | 770 | } |
747ca245 JH |
771 | |
772 | if (!is_null_sha1(old_sha1) && is_null_sha1(new_sha1)) { | |
59556548 | 773 | if (deny_deletes && starts_with(name, "refs/heads/")) { |
466dbc42 | 774 | rp_error("denying ref deletion for %s", name); |
747ca245 JH |
775 | return "deletion prohibited"; |
776 | } | |
777 | ||
6b01ecfe | 778 | if (!strcmp(namespaced_name, head_name)) { |
747ca245 JH |
779 | switch (deny_delete_current) { |
780 | case DENY_IGNORE: | |
781 | break; | |
782 | case DENY_WARN: | |
466dbc42 | 783 | rp_warning("deleting the current branch"); |
747ca245 JH |
784 | break; |
785 | case DENY_REFUSE: | |
375881fa JH |
786 | case DENY_UNCONFIGURED: |
787 | if (deny_delete_current == DENY_UNCONFIGURED) | |
788 | refuse_unconfigured_deny_delete_current(); | |
466dbc42 | 789 | rp_error("refusing to delete the current branch: %s", name); |
747ca245 JH |
790 | return "deletion of the current branch prohibited"; |
791 | } | |
792 | } | |
a240de11 | 793 | } |
747ca245 | 794 | |
d4f694ba | 795 | if (deny_non_fast_forwards && !is_null_sha1(new_sha1) && |
ba988a83 | 796 | !is_null_sha1(old_sha1) && |
59556548 | 797 | starts_with(name, "refs/heads/")) { |
eab82707 | 798 | struct object *old_object, *new_object; |
11031d7e | 799 | struct commit *old_commit, *new_commit; |
11031d7e | 800 | |
eab82707 MK |
801 | old_object = parse_object(old_sha1); |
802 | new_object = parse_object(new_sha1); | |
803 | ||
804 | if (!old_object || !new_object || | |
805 | old_object->type != OBJ_COMMIT || | |
806 | new_object->type != OBJ_COMMIT) { | |
807 | error("bad sha1 objects for %s", name); | |
808 | return "bad ref"; | |
809 | } | |
810 | old_commit = (struct commit *)old_object; | |
811 | new_commit = (struct commit *)new_object; | |
5d55915c | 812 | if (!in_merge_bases(old_commit, new_commit)) { |
466dbc42 SP |
813 | rp_error("denying non-fast-forward %s" |
814 | " (you should pull first)", name); | |
a75d7b54 | 815 | return "non-fast-forward"; |
8aaf7d64 | 816 | } |
11031d7e | 817 | } |
1d9e8b56 | 818 | if (run_update_hook(cmd)) { |
466dbc42 | 819 | rp_error("hook declined to update %s", name); |
8aaf7d64 | 820 | return "hook declined"; |
b1bf95bb | 821 | } |
3159c8dc | 822 | |
d4f694ba | 823 | if (is_null_sha1(new_sha1)) { |
28391a80 | 824 | if (!parse_object(old_sha1)) { |
28391a80 | 825 | old_sha1 = NULL; |
160b81ed PYH |
826 | if (ref_exists(name)) { |
827 | rp_warning("Allowing deletion of corrupt ref."); | |
828 | } else { | |
829 | rp_warning("Deleting a non-existent ref."); | |
830 | cmd->did_not_exist = 1; | |
831 | } | |
28391a80 | 832 | } |
6b01ecfe | 833 | if (delete_ref(namespaced_name, old_sha1, 0)) { |
466dbc42 | 834 | rp_error("failed to delete %s", name); |
8aaf7d64 | 835 | return "failed to delete"; |
d4f694ba | 836 | } |
8aaf7d64 | 837 | return NULL; /* good */ |
d4f694ba JH |
838 | } |
839 | else { | |
6629ea2d RS |
840 | struct strbuf err = STRBUF_INIT; |
841 | struct ref_transaction *transaction; | |
842 | ||
0a1bc12b NTND |
843 | if (shallow_update && si->shallow_ref[cmd->index] && |
844 | update_shallow_ref(cmd, si)) | |
845 | return "shallow error"; | |
846 | ||
6629ea2d RS |
847 | transaction = ref_transaction_begin(&err); |
848 | if (!transaction || | |
849 | ref_transaction_update(transaction, namespaced_name, | |
db7516ab RS |
850 | new_sha1, old_sha1, 0, 1, "push", |
851 | &err) || | |
852 | ref_transaction_commit(transaction, &err)) { | |
6629ea2d RS |
853 | ref_transaction_free(transaction); |
854 | ||
855 | rp_error("%s", err.buf); | |
856 | strbuf_release(&err); | |
857 | return "failed to update ref"; | |
ef203f08 | 858 | } |
6629ea2d RS |
859 | |
860 | ref_transaction_free(transaction); | |
861 | strbuf_release(&err); | |
8aaf7d64 | 862 | return NULL; /* good */ |
19614330 | 863 | } |
2eca23da LT |
864 | } |
865 | ||
5e1c71fd | 866 | static void run_update_post_hook(struct command *commands) |
19614330 | 867 | { |
5e1c71fd | 868 | struct command *cmd; |
6d525d38 | 869 | int argc; |
9201c707 | 870 | const char **argv; |
d3180279 | 871 | struct child_process proc = CHILD_PROCESS_INIT; |
5a7da2dc | 872 | char *hook; |
19614330 | 873 | |
5a7da2dc | 874 | hook = find_hook("post-update"); |
5e1c71fd | 875 | for (argc = 0, cmd = commands; cmd; cmd = cmd->next) { |
160b81ed | 876 | if (cmd->error_string || cmd->did_not_exist) |
19614330 JH |
877 | continue; |
878 | argc++; | |
879 | } | |
5a7da2dc | 880 | if (!argc || !hook) |
3e6e152c | 881 | return; |
5a7da2dc | 882 | |
3e6e152c | 883 | argv = xmalloc(sizeof(*argv) * (2 + argc)); |
5a7da2dc | 884 | argv[0] = hook; |
19614330 | 885 | |
5e1c71fd | 886 | for (argc = 1, cmd = commands; cmd; cmd = cmd->next) { |
160b81ed | 887 | if (cmd->error_string || cmd->did_not_exist) |
19614330 | 888 | continue; |
95244ae3 | 889 | argv[argc] = xstrdup(cmd->ref_name); |
19614330 JH |
890 | argc++; |
891 | } | |
892 | argv[argc] = NULL; | |
6d525d38 | 893 | |
6d525d38 SP |
894 | proc.no_stdin = 1; |
895 | proc.stdout_to_stderr = 1; | |
896 | proc.err = use_sideband ? -1 : 0; | |
897 | proc.argv = argv; | |
898 | ||
899 | if (!start_command(&proc)) { | |
900 | if (use_sideband) | |
901 | copy_to_sideband(proc.err, -1, NULL); | |
902 | finish_command(&proc); | |
903 | } | |
19614330 | 904 | } |
2eca23da | 905 | |
da3efdb1 JS |
906 | static void check_aliased_update(struct command *cmd, struct string_list *list) |
907 | { | |
6b01ecfe JT |
908 | struct strbuf buf = STRBUF_INIT; |
909 | const char *dst_name; | |
da3efdb1 JS |
910 | struct string_list_item *item; |
911 | struct command *dst_cmd; | |
912 | unsigned char sha1[20]; | |
913 | char cmd_oldh[41], cmd_newh[41], dst_oldh[41], dst_newh[41]; | |
914 | int flag; | |
915 | ||
6b01ecfe | 916 | strbuf_addf(&buf, "%s%s", get_git_namespace(), cmd->ref_name); |
7695d118 | 917 | dst_name = resolve_ref_unsafe(buf.buf, 0, sha1, &flag); |
6b01ecfe | 918 | strbuf_release(&buf); |
da3efdb1 JS |
919 | |
920 | if (!(flag & REF_ISSYMREF)) | |
921 | return; | |
922 | ||
6b01ecfe JT |
923 | dst_name = strip_namespace(dst_name); |
924 | if (!dst_name) { | |
925 | rp_error("refusing update to broken symref '%s'", cmd->ref_name); | |
926 | cmd->skip_update = 1; | |
927 | cmd->error_string = "broken symref"; | |
928 | return; | |
929 | } | |
930 | ||
e8c8b713 | 931 | if ((item = string_list_lookup(list, dst_name)) == NULL) |
da3efdb1 JS |
932 | return; |
933 | ||
934 | cmd->skip_update = 1; | |
935 | ||
936 | dst_cmd = (struct command *) item->util; | |
937 | ||
938 | if (!hashcmp(cmd->old_sha1, dst_cmd->old_sha1) && | |
939 | !hashcmp(cmd->new_sha1, dst_cmd->new_sha1)) | |
940 | return; | |
941 | ||
942 | dst_cmd->skip_update = 1; | |
943 | ||
944 | strcpy(cmd_oldh, find_unique_abbrev(cmd->old_sha1, DEFAULT_ABBREV)); | |
0e71bc30 | 945 | strcpy(cmd_newh, find_unique_abbrev(cmd->new_sha1, DEFAULT_ABBREV)); |
da3efdb1 | 946 | strcpy(dst_oldh, find_unique_abbrev(dst_cmd->old_sha1, DEFAULT_ABBREV)); |
0e71bc30 | 947 | strcpy(dst_newh, find_unique_abbrev(dst_cmd->new_sha1, DEFAULT_ABBREV)); |
da3efdb1 JS |
948 | rp_error("refusing inconsistent update between symref '%s' (%s..%s) and" |
949 | " its target '%s' (%s..%s)", | |
950 | cmd->ref_name, cmd_oldh, cmd_newh, | |
951 | dst_cmd->ref_name, dst_oldh, dst_newh); | |
952 | ||
953 | cmd->error_string = dst_cmd->error_string = | |
954 | "inconsistent aliased update"; | |
955 | } | |
956 | ||
957 | static void check_aliased_updates(struct command *commands) | |
958 | { | |
959 | struct command *cmd; | |
183113a5 | 960 | struct string_list ref_list = STRING_LIST_INIT_NODUP; |
da3efdb1 JS |
961 | |
962 | for (cmd = commands; cmd; cmd = cmd->next) { | |
963 | struct string_list_item *item = | |
1d2f80fa | 964 | string_list_append(&ref_list, cmd->ref_name); |
da3efdb1 JS |
965 | item->util = (void *)cmd; |
966 | } | |
967 | sort_string_list(&ref_list); | |
968 | ||
ef7e93d9 CB |
969 | for (cmd = commands; cmd; cmd = cmd->next) { |
970 | if (!cmd->error_string) | |
971 | check_aliased_update(cmd, &ref_list); | |
972 | } | |
da3efdb1 JS |
973 | |
974 | string_list_clear(&ref_list, 0); | |
975 | } | |
976 | ||
52fed6e1 JH |
977 | static int command_singleton_iterator(void *cb_data, unsigned char sha1[20]) |
978 | { | |
979 | struct command **cmd_list = cb_data; | |
980 | struct command *cmd = *cmd_list; | |
981 | ||
ee6dfb2d | 982 | if (!cmd || is_null_sha1(cmd->new_sha1)) |
52fed6e1 JH |
983 | return -1; /* end of list */ |
984 | *cmd_list = NULL; /* this returns only one */ | |
985 | hashcpy(sha1, cmd->new_sha1); | |
986 | return 0; | |
987 | } | |
988 | ||
0a1bc12b NTND |
989 | static void set_connectivity_errors(struct command *commands, |
990 | struct shallow_info *si) | |
52fed6e1 JH |
991 | { |
992 | struct command *cmd; | |
993 | ||
994 | for (cmd = commands; cmd; cmd = cmd->next) { | |
995 | struct command *singleton = cmd; | |
0a1bc12b NTND |
996 | if (shallow_update && si->shallow_ref[cmd->index]) |
997 | /* to be checked in update_shallow_ref() */ | |
998 | continue; | |
52fed6e1 JH |
999 | if (!check_everything_connected(command_singleton_iterator, |
1000 | 0, &singleton)) | |
1001 | continue; | |
1002 | cmd->error_string = "missing necessary objects"; | |
1003 | } | |
1004 | } | |
1005 | ||
0a1bc12b NTND |
1006 | struct iterate_data { |
1007 | struct command *cmds; | |
1008 | struct shallow_info *si; | |
1009 | }; | |
1010 | ||
52fed6e1 JH |
1011 | static int iterate_receive_command_list(void *cb_data, unsigned char sha1[20]) |
1012 | { | |
0a1bc12b NTND |
1013 | struct iterate_data *data = cb_data; |
1014 | struct command **cmd_list = &data->cmds; | |
52fed6e1 JH |
1015 | struct command *cmd = *cmd_list; |
1016 | ||
0a1bc12b NTND |
1017 | for (; cmd; cmd = cmd->next) { |
1018 | if (shallow_update && data->si->shallow_ref[cmd->index]) | |
1019 | /* to be checked in update_shallow_ref() */ | |
1020 | continue; | |
5dbd7676 | 1021 | if (!is_null_sha1(cmd->new_sha1) && !cmd->skip_update) { |
ee6dfb2d JH |
1022 | hashcpy(sha1, cmd->new_sha1); |
1023 | *cmd_list = cmd->next; | |
1024 | return 0; | |
1025 | } | |
ee6dfb2d JH |
1026 | } |
1027 | *cmd_list = NULL; | |
1028 | return -1; /* end of list */ | |
52fed6e1 JH |
1029 | } |
1030 | ||
daebaa78 JH |
1031 | static void reject_updates_to_hidden(struct command *commands) |
1032 | { | |
1033 | struct command *cmd; | |
1034 | ||
1035 | for (cmd = commands; cmd; cmd = cmd->next) { | |
1036 | if (cmd->error_string || !ref_is_hidden(cmd->ref_name)) | |
1037 | continue; | |
1038 | if (is_null_sha1(cmd->new_sha1)) | |
1039 | cmd->error_string = "deny deleting a hidden ref"; | |
1040 | else | |
1041 | cmd->error_string = "deny updating a hidden ref"; | |
1042 | } | |
1043 | } | |
1044 | ||
0a1bc12b NTND |
1045 | static void execute_commands(struct command *commands, |
1046 | const char *unpacker_error, | |
1047 | struct shallow_info *si) | |
575f4974 | 1048 | { |
0a1bc12b | 1049 | int checked_connectivity; |
5e1c71fd | 1050 | struct command *cmd; |
747ca245 | 1051 | unsigned char sha1[20]; |
0a1bc12b | 1052 | struct iterate_data data; |
8aaf7d64 SP |
1053 | |
1054 | if (unpacker_error) { | |
5e1c71fd | 1055 | for (cmd = commands; cmd; cmd = cmd->next) |
74eb32d3 | 1056 | cmd->error_string = "unpacker error"; |
8aaf7d64 SP |
1057 | return; |
1058 | } | |
1059 | ||
0a1bc12b NTND |
1060 | data.cmds = commands; |
1061 | data.si = si; | |
1062 | if (check_everything_connected(iterate_receive_command_list, 0, &data)) | |
1063 | set_connectivity_errors(commands, si); | |
52fed6e1 | 1064 | |
daebaa78 JH |
1065 | reject_updates_to_hidden(commands); |
1066 | ||
5a7da2dc | 1067 | if (run_receive_hook(commands, "pre-receive", 0)) { |
ef7e93d9 CB |
1068 | for (cmd = commands; cmd; cmd = cmd->next) { |
1069 | if (!cmd->error_string) | |
1070 | cmd->error_string = "pre-receive hook declined"; | |
1071 | } | |
05ef58ec SP |
1072 | return; |
1073 | } | |
1074 | ||
da3efdb1 JS |
1075 | check_aliased_updates(commands); |
1076 | ||
96ec7b1e | 1077 | free(head_name_to_free); |
7695d118 | 1078 | head_name = head_name_to_free = resolve_refdup("HEAD", 0, sha1, NULL); |
747ca245 | 1079 | |
0a1bc12b | 1080 | checked_connectivity = 1; |
ef7e93d9 CB |
1081 | for (cmd = commands; cmd; cmd = cmd->next) { |
1082 | if (cmd->error_string) | |
1083 | continue; | |
1084 | ||
1085 | if (cmd->skip_update) | |
1086 | continue; | |
1087 | ||
0a1bc12b NTND |
1088 | cmd->error_string = update(cmd, si); |
1089 | if (shallow_update && !cmd->error_string && | |
1090 | si->shallow_ref[cmd->index]) { | |
1091 | error("BUG: connectivity check has not been run on ref %s", | |
1092 | cmd->ref_name); | |
1093 | checked_connectivity = 0; | |
1094 | } | |
1095 | } | |
1096 | ||
0179c945 JK |
1097 | if (shallow_update && !checked_connectivity) |
1098 | error("BUG: run 'git fsck' for safety.\n" | |
1099 | "If there are errors, try to remove " | |
1100 | "the reported refs above"); | |
575f4974 LT |
1101 | } |
1102 | ||
39895c74 JH |
1103 | static struct command **queue_command(struct command **tail, |
1104 | const char *line, | |
1105 | int linelen) | |
1106 | { | |
1107 | unsigned char old_sha1[20], new_sha1[20]; | |
1108 | struct command *cmd; | |
1109 | const char *refname; | |
1110 | int reflen; | |
1111 | ||
1112 | if (linelen < 83 || | |
1113 | line[40] != ' ' || | |
1114 | line[81] != ' ' || | |
1115 | get_sha1_hex(line, old_sha1) || | |
1116 | get_sha1_hex(line + 41, new_sha1)) | |
1117 | die("protocol error: expected old/new/ref, got '%s'", line); | |
1118 | ||
1119 | refname = line + 82; | |
1120 | reflen = linelen - 82; | |
1121 | cmd = xcalloc(1, sizeof(struct command) + reflen + 1); | |
1122 | hashcpy(cmd->old_sha1, old_sha1); | |
1123 | hashcpy(cmd->new_sha1, new_sha1); | |
1124 | memcpy(cmd->ref_name, refname, reflen); | |
1125 | cmd->ref_name[reflen] = '\0'; | |
1126 | *tail = cmd; | |
1127 | return &cmd->next; | |
1128 | } | |
1129 | ||
4adf569d JH |
1130 | static void queue_commands_from_cert(struct command **tail, |
1131 | struct strbuf *push_cert) | |
1132 | { | |
1133 | const char *boc, *eoc; | |
1134 | ||
1135 | if (*tail) | |
1136 | die("protocol error: got both push certificate and unsigned commands"); | |
1137 | ||
1138 | boc = strstr(push_cert->buf, "\n\n"); | |
1139 | if (!boc) | |
1140 | die("malformed push certificate %.*s", 100, push_cert->buf); | |
1141 | else | |
1142 | boc += 2; | |
1143 | eoc = push_cert->buf + parse_signature(push_cert->buf, push_cert->len); | |
1144 | ||
1145 | while (boc < eoc) { | |
1146 | const char *eol = memchr(boc, '\n', eoc - boc); | |
1147 | tail = queue_command(tail, boc, eol ? eol - boc : eoc - eol); | |
1148 | boc = eol ? eol + 1 : eoc; | |
1149 | } | |
1150 | } | |
1151 | ||
5dbd7676 | 1152 | static struct command *read_head_info(struct sha1_array *shallow) |
575f4974 | 1153 | { |
5e1c71fd | 1154 | struct command *commands = NULL; |
eb1af2df | 1155 | struct command **p = &commands; |
575f4974 | 1156 | for (;;) { |
74543a04 | 1157 | char *line; |
39895c74 | 1158 | int len, linelen; |
eb1af2df | 1159 | |
74543a04 JK |
1160 | line = packet_read_line(0, &len); |
1161 | if (!line) | |
575f4974 | 1162 | break; |
5dbd7676 | 1163 | |
92251b1b | 1164 | if (len == 48 && starts_with(line, "shallow ")) { |
c09b71cc JH |
1165 | unsigned char sha1[20]; |
1166 | if (get_sha1_hex(line + 8, sha1)) | |
1167 | die("protocol error: expected shallow sha, got '%s'", | |
1168 | line + 8); | |
1169 | sha1_array_append(shallow, sha1); | |
5dbd7676 NTND |
1170 | continue; |
1171 | } | |
1172 | ||
0e3c339b JH |
1173 | linelen = strlen(line); |
1174 | if (linelen < len) { | |
1175 | const char *feature_list = line + linelen + 1; | |
f47182c8 | 1176 | if (parse_feature_request(feature_list, "report-status")) |
cfee10a7 | 1177 | report_status = 1; |
f47182c8 | 1178 | if (parse_feature_request(feature_list, "side-band-64k")) |
38a81b4e | 1179 | use_sideband = LARGE_PACKET_MAX; |
c207e34f CB |
1180 | if (parse_feature_request(feature_list, "quiet")) |
1181 | quiet = 1; | |
cfee10a7 | 1182 | } |
0e3c339b | 1183 | |
a85b377d JH |
1184 | if (!strcmp(line, "push-cert")) { |
1185 | int true_flush = 0; | |
1186 | char certbuf[1024]; | |
1187 | ||
1188 | for (;;) { | |
1189 | len = packet_read(0, NULL, NULL, | |
1190 | certbuf, sizeof(certbuf), 0); | |
1191 | if (!len) { | |
1192 | true_flush = 1; | |
1193 | break; | |
1194 | } | |
1195 | if (!strcmp(certbuf, "push-cert-end\n")) | |
1196 | break; /* end of cert */ | |
1197 | strbuf_addstr(&push_cert, certbuf); | |
1198 | } | |
1199 | ||
1200 | if (true_flush) | |
1201 | break; | |
1202 | continue; | |
1203 | } | |
1204 | ||
39895c74 | 1205 | p = queue_command(p, line, linelen); |
575f4974 | 1206 | } |
4adf569d JH |
1207 | |
1208 | if (push_cert.len) | |
1209 | queue_commands_from_cert(p, &push_cert); | |
1210 | ||
5e1c71fd | 1211 | return commands; |
575f4974 LT |
1212 | } |
1213 | ||
fc04c412 SP |
1214 | static const char *parse_pack_header(struct pack_header *hdr) |
1215 | { | |
a69e5429 JH |
1216 | switch (read_pack_header(0, hdr)) { |
1217 | case PH_ERROR_EOF: | |
1218 | return "eof before pack header was fully read"; | |
1219 | ||
1220 | case PH_ERROR_PACK_SIGNATURE: | |
fc04c412 | 1221 | return "protocol error (pack signature mismatch detected)"; |
a69e5429 JH |
1222 | |
1223 | case PH_ERROR_PROTOCOL: | |
fc04c412 | 1224 | return "protocol error (pack version unsupported)"; |
a69e5429 JH |
1225 | |
1226 | default: | |
1227 | return "unknown error in parse_pack_header"; | |
1228 | ||
1229 | case 0: | |
1230 | return NULL; | |
1231 | } | |
fc04c412 SP |
1232 | } |
1233 | ||
576162a4 NP |
1234 | static const char *pack_lockfile; |
1235 | ||
5dbd7676 | 1236 | static const char *unpack(int err_fd, struct shallow_info *si) |
575f4974 | 1237 | { |
fc04c412 SP |
1238 | struct pack_header hdr; |
1239 | const char *hdr_err; | |
31c42bff | 1240 | int status; |
fc04c412 | 1241 | char hdr_arg[38]; |
d3180279 | 1242 | struct child_process child = CHILD_PROCESS_INIT; |
dab76d3a JH |
1243 | int fsck_objects = (receive_fsck_objects >= 0 |
1244 | ? receive_fsck_objects | |
1245 | : transfer_fsck_objects >= 0 | |
1246 | ? transfer_fsck_objects | |
1247 | : 0); | |
fc04c412 SP |
1248 | |
1249 | hdr_err = parse_pack_header(&hdr); | |
49ecfa13 JK |
1250 | if (hdr_err) { |
1251 | if (err_fd > 0) | |
1252 | close(err_fd); | |
fc04c412 | 1253 | return hdr_err; |
49ecfa13 | 1254 | } |
6e1c2344 RJ |
1255 | snprintf(hdr_arg, sizeof(hdr_arg), |
1256 | "--pack_header=%"PRIu32",%"PRIu32, | |
fc04c412 SP |
1257 | ntohl(hdr.hdr_version), ntohl(hdr.hdr_entries)); |
1258 | ||
5dbd7676 NTND |
1259 | if (si->nr_ours || si->nr_theirs) { |
1260 | alt_shallow_file = setup_temporary_shallow(si->shallow); | |
64a7e92f RS |
1261 | argv_array_push(&child.args, "--shallow-file"); |
1262 | argv_array_push(&child.args, alt_shallow_file); | |
5dbd7676 NTND |
1263 | } |
1264 | ||
fc04c412 | 1265 | if (ntohl(hdr.hdr_entries) < unpack_limit) { |
64a7e92f | 1266 | argv_array_pushl(&child.args, "unpack-objects", hdr_arg, NULL); |
c207e34f | 1267 | if (quiet) |
64a7e92f | 1268 | argv_array_push(&child.args, "-q"); |
dab76d3a | 1269 | if (fsck_objects) |
64a7e92f | 1270 | argv_array_push(&child.args, "--strict"); |
59bfdfb8 | 1271 | child.no_stdout = 1; |
a22e6f85 | 1272 | child.err = err_fd; |
59bfdfb8 | 1273 | child.git_cmd = 1; |
31c42bff NTND |
1274 | status = run_command(&child); |
1275 | if (status) | |
1276 | return "unpack-objects abnormal exit"; | |
576162a4 | 1277 | } else { |
31c42bff | 1278 | int s; |
576162a4 | 1279 | char keep_arg[256]; |
576162a4 | 1280 | |
85e72830 | 1281 | s = sprintf(keep_arg, "--keep=receive-pack %"PRIuMAX" on ", (uintmax_t) getpid()); |
576162a4 NP |
1282 | if (gethostname(keep_arg + s, sizeof(keep_arg) - s)) |
1283 | strcpy(keep_arg + s, "localhost"); | |
1284 | ||
64a7e92f | 1285 | argv_array_pushl(&child.args, "index-pack", |
31c42bff | 1286 | "--stdin", hdr_arg, keep_arg, NULL); |
dab76d3a | 1287 | if (fsck_objects) |
64a7e92f | 1288 | argv_array_push(&child.args, "--strict"); |
f7c815c3 | 1289 | if (fix_thin) |
64a7e92f | 1290 | argv_array_push(&child.args, "--fix-thin"); |
31c42bff NTND |
1291 | child.out = -1; |
1292 | child.err = err_fd; | |
1293 | child.git_cmd = 1; | |
1294 | status = start_command(&child); | |
1295 | if (status) | |
576162a4 | 1296 | return "index-pack fork failed"; |
31c42bff NTND |
1297 | pack_lockfile = index_pack_lockfile(child.out); |
1298 | close(child.out); | |
1299 | status = finish_command(&child); | |
1300 | if (status) | |
1301 | return "index-pack abnormal exit"; | |
1302 | reprepare_packed_git(); | |
cfee10a7 | 1303 | } |
31c42bff | 1304 | return NULL; |
cfee10a7 JH |
1305 | } |
1306 | ||
5dbd7676 | 1307 | static const char *unpack_with_sideband(struct shallow_info *si) |
a22e6f85 JK |
1308 | { |
1309 | struct async muxer; | |
1310 | const char *ret; | |
1311 | ||
1312 | if (!use_sideband) | |
5dbd7676 | 1313 | return unpack(0, si); |
a22e6f85 JK |
1314 | |
1315 | memset(&muxer, 0, sizeof(muxer)); | |
1316 | muxer.proc = copy_to_sideband; | |
1317 | muxer.in = -1; | |
1318 | if (start_async(&muxer)) | |
1319 | return NULL; | |
1320 | ||
5dbd7676 | 1321 | ret = unpack(muxer.in, si); |
a22e6f85 JK |
1322 | |
1323 | finish_async(&muxer); | |
1324 | return ret; | |
1325 | } | |
1326 | ||
0a1bc12b NTND |
1327 | static void prepare_shallow_update(struct command *commands, |
1328 | struct shallow_info *si) | |
1329 | { | |
1330 | int i, j, k, bitmap_size = (si->ref->nr + 31) / 32; | |
1331 | ||
1332 | si->used_shallow = xmalloc(sizeof(*si->used_shallow) * | |
1333 | si->shallow->nr); | |
1334 | assign_shallow_commits_to_refs(si, si->used_shallow, NULL); | |
1335 | ||
1336 | si->need_reachability_test = | |
1337 | xcalloc(si->shallow->nr, sizeof(*si->need_reachability_test)); | |
1338 | si->reachable = | |
1339 | xcalloc(si->shallow->nr, sizeof(*si->reachable)); | |
1340 | si->shallow_ref = xcalloc(si->ref->nr, sizeof(*si->shallow_ref)); | |
1341 | ||
1342 | for (i = 0; i < si->nr_ours; i++) | |
1343 | si->need_reachability_test[si->ours[i]] = 1; | |
1344 | ||
1345 | for (i = 0; i < si->shallow->nr; i++) { | |
1346 | if (!si->used_shallow[i]) | |
1347 | continue; | |
1348 | for (j = 0; j < bitmap_size; j++) { | |
1349 | if (!si->used_shallow[i][j]) | |
1350 | continue; | |
1351 | si->need_reachability_test[i]++; | |
1352 | for (k = 0; k < 32; k++) | |
1353 | if (si->used_shallow[i][j] & (1 << k)) | |
1354 | si->shallow_ref[j * 32 + k]++; | |
1355 | } | |
1356 | ||
1357 | /* | |
1358 | * true for those associated with some refs and belong | |
1359 | * in "ours" list aka "step 7 not done yet" | |
1360 | */ | |
1361 | si->need_reachability_test[i] = | |
1362 | si->need_reachability_test[i] > 1; | |
1363 | } | |
1364 | ||
1365 | /* | |
1366 | * keep hooks happy by forcing a temporary shallow file via | |
1367 | * env variable because we can't add --shallow-file to every | |
1368 | * command. check_everything_connected() will be done with | |
1369 | * true .git/shallow though. | |
1370 | */ | |
1371 | setenv(GIT_SHALLOW_FILE_ENVIRONMENT, alt_shallow_file, 1); | |
1372 | } | |
1373 | ||
5dbd7676 NTND |
1374 | static void update_shallow_info(struct command *commands, |
1375 | struct shallow_info *si, | |
1376 | struct sha1_array *ref) | |
1377 | { | |
1378 | struct command *cmd; | |
1379 | int *ref_status; | |
1380 | remove_nonexistent_theirs_shallow(si); | |
0a1bc12b NTND |
1381 | if (!si->nr_ours && !si->nr_theirs) { |
1382 | shallow_update = 0; | |
5dbd7676 | 1383 | return; |
0a1bc12b | 1384 | } |
5dbd7676 NTND |
1385 | |
1386 | for (cmd = commands; cmd; cmd = cmd->next) { | |
1387 | if (is_null_sha1(cmd->new_sha1)) | |
1388 | continue; | |
1389 | sha1_array_append(ref, cmd->new_sha1); | |
1390 | cmd->index = ref->nr - 1; | |
1391 | } | |
1392 | si->ref = ref; | |
1393 | ||
0a1bc12b NTND |
1394 | if (shallow_update) { |
1395 | prepare_shallow_update(commands, si); | |
1396 | return; | |
1397 | } | |
1398 | ||
5dbd7676 NTND |
1399 | ref_status = xmalloc(sizeof(*ref_status) * ref->nr); |
1400 | assign_shallow_commits_to_refs(si, NULL, ref_status); | |
1401 | for (cmd = commands; cmd; cmd = cmd->next) { | |
1402 | if (is_null_sha1(cmd->new_sha1)) | |
1403 | continue; | |
1404 | if (ref_status[cmd->index]) { | |
1405 | cmd->error_string = "shallow update not allowed"; | |
1406 | cmd->skip_update = 1; | |
1407 | } | |
1408 | } | |
5dbd7676 NTND |
1409 | free(ref_status); |
1410 | } | |
1411 | ||
5e1c71fd | 1412 | static void report(struct command *commands, const char *unpack_status) |
cfee10a7 JH |
1413 | { |
1414 | struct command *cmd; | |
38a81b4e SP |
1415 | struct strbuf buf = STRBUF_INIT; |
1416 | ||
1417 | packet_buf_write(&buf, "unpack %s\n", | |
1418 | unpack_status ? unpack_status : "ok"); | |
cfee10a7 JH |
1419 | for (cmd = commands; cmd; cmd = cmd->next) { |
1420 | if (!cmd->error_string) | |
38a81b4e SP |
1421 | packet_buf_write(&buf, "ok %s\n", |
1422 | cmd->ref_name); | |
cfee10a7 | 1423 | else |
38a81b4e SP |
1424 | packet_buf_write(&buf, "ng %s %s\n", |
1425 | cmd->ref_name, cmd->error_string); | |
575f4974 | 1426 | } |
38a81b4e SP |
1427 | packet_buf_flush(&buf); |
1428 | ||
1429 | if (use_sideband) | |
1430 | send_sideband(1, 1, buf.buf, buf.len, use_sideband); | |
1431 | else | |
cdf4fb8e | 1432 | write_or_die(1, buf.buf, buf.len); |
38a81b4e | 1433 | strbuf_release(&buf); |
575f4974 LT |
1434 | } |
1435 | ||
5e1c71fd | 1436 | static int delete_only(struct command *commands) |
d4f694ba | 1437 | { |
5e1c71fd JS |
1438 | struct command *cmd; |
1439 | for (cmd = commands; cmd; cmd = cmd->next) { | |
d4f694ba JH |
1440 | if (!is_null_sha1(cmd->new_sha1)) |
1441 | return 0; | |
d4f694ba JH |
1442 | } |
1443 | return 1; | |
1444 | } | |
1445 | ||
be5908ae | 1446 | int cmd_receive_pack(int argc, const char **argv, const char *prefix) |
575f4974 | 1447 | { |
42526b47 | 1448 | int advertise_refs = 0; |
d0efc8a7 | 1449 | int i; |
5e1c71fd | 1450 | struct command *commands; |
5dbd7676 NTND |
1451 | struct sha1_array shallow = SHA1_ARRAY_INIT; |
1452 | struct sha1_array ref = SHA1_ARRAY_INIT; | |
1453 | struct shallow_info si; | |
575f4974 | 1454 | |
bbc30f99 JK |
1455 | packet_trace_identity("receive-pack"); |
1456 | ||
575f4974 LT |
1457 | argv++; |
1458 | for (i = 1; i < argc; i++) { | |
be5908ae | 1459 | const char *arg = *argv++; |
575f4974 LT |
1460 | |
1461 | if (*arg == '-') { | |
c207e34f CB |
1462 | if (!strcmp(arg, "--quiet")) { |
1463 | quiet = 1; | |
1464 | continue; | |
1465 | } | |
1466 | ||
42526b47 SP |
1467 | if (!strcmp(arg, "--advertise-refs")) { |
1468 | advertise_refs = 1; | |
1469 | continue; | |
1470 | } | |
1471 | if (!strcmp(arg, "--stateless-rpc")) { | |
1472 | stateless_rpc = 1; | |
1473 | continue; | |
1474 | } | |
f7c815c3 NTND |
1475 | if (!strcmp(arg, "--reject-thin-pack-for-testing")) { |
1476 | fix_thin = 0; | |
1477 | continue; | |
1478 | } | |
42526b47 | 1479 | |
575f4974 LT |
1480 | usage(receive_pack_usage); |
1481 | } | |
5732373d | 1482 | if (service_dir) |
d0efc8a7 | 1483 | usage(receive_pack_usage); |
5732373d | 1484 | service_dir = arg; |
575f4974 | 1485 | } |
5732373d | 1486 | if (!service_dir) |
575f4974 LT |
1487 | usage(receive_pack_usage); |
1488 | ||
e1464ca7 | 1489 | setup_path(); |
5c09f321 | 1490 | |
5732373d JH |
1491 | if (!enter_repo(service_dir, 0)) |
1492 | die("'%s' does not appear to be a git repository", service_dir); | |
575f4974 | 1493 | |
ef90d6d4 | 1494 | git_config(receive_pack_config, NULL); |
b89363e4 | 1495 | if (cert_nonce_seed) |
5732373d | 1496 | push_cert_nonce = prepare_push_cert_nonce(service_dir, time(NULL)); |
6fb75bed | 1497 | |
e28714c5 JH |
1498 | if (0 <= transfer_unpack_limit) |
1499 | unpack_limit = transfer_unpack_limit; | |
1500 | else if (0 <= receive_unpack_limit) | |
1501 | unpack_limit = receive_unpack_limit; | |
1502 | ||
42526b47 | 1503 | if (advertise_refs || !stateless_rpc) { |
42526b47 | 1504 | write_head_info(); |
42526b47 SP |
1505 | } |
1506 | if (advertise_refs) | |
1507 | return 0; | |
575f4974 | 1508 | |
5dbd7676 | 1509 | if ((commands = read_head_info(&shallow)) != NULL) { |
d4f694ba JH |
1510 | const char *unpack_status = NULL; |
1511 | ||
5dbd7676 | 1512 | prepare_shallow_info(&si, &shallow); |
0a1bc12b NTND |
1513 | if (!si.nr_ours && !si.nr_theirs) |
1514 | shallow_update = 0; | |
5dbd7676 NTND |
1515 | if (!delete_only(commands)) { |
1516 | unpack_status = unpack_with_sideband(&si); | |
1517 | update_shallow_info(commands, &si, &ref); | |
1518 | } | |
0a1bc12b | 1519 | execute_commands(commands, unpack_status, &si); |
576162a4 | 1520 | if (pack_lockfile) |
691f1a28 | 1521 | unlink_or_warn(pack_lockfile); |
cfee10a7 | 1522 | if (report_status) |
5e1c71fd | 1523 | report(commands, unpack_status); |
5a7da2dc | 1524 | run_receive_hook(commands, "post-receive", 1); |
8e663d9e | 1525 | run_update_post_hook(commands); |
77e3efbf JH |
1526 | if (auto_gc) { |
1527 | const char *argv_gc_auto[] = { | |
1528 | "gc", "--auto", "--quiet", NULL, | |
1529 | }; | |
4b7f2fa4 JH |
1530 | int opt = RUN_GIT_CMD | RUN_COMMAND_STDOUT_TO_STDERR; |
1531 | run_command_v_opt(argv_gc_auto, opt); | |
77e3efbf JH |
1532 | } |
1533 | if (auto_update_server_info) | |
1534 | update_server_info(0); | |
5dbd7676 | 1535 | clear_shallow_info(&si); |
7f8e9828 | 1536 | } |
38a81b4e SP |
1537 | if (use_sideband) |
1538 | packet_flush(1); | |
5dbd7676 NTND |
1539 | sha1_array_clear(&shallow); |
1540 | sha1_array_clear(&ref); | |
b89363e4 | 1541 | free((void *)push_cert_nonce); |
575f4974 LT |
1542 | return 0; |
1543 | } |