transport.c: extract 'fill_alternate_refs_command'
[git/git.git] / transport.c
CommitLineData
9b288516 1#include "cache.h"
b2141fc1 2#include "config.h"
9b288516
DB
3#include "transport.h"
4#include "run-command.h"
c29727d5
DB
5#include "pkt-line.h"
6#include "fetch-pack.h"
47a59185
JH
7#include "remote.h"
8#include "connect.h"
40cb4fab 9#include "send-pack.h"
c29727d5 10#include "walker.h"
c7a8a162 11#include "bundle.h"
cd547b48
JS
12#include "dir.h"
13#include "refs.h"
ec0cb496 14#include "refspec.h"
e9fcd1e2 15#include "branch.h"
638794cd 16#include "url.h"
d2b17b32 17#include "submodule.h"
a762e51e 18#include "string-list.h"
13eb4626 19#include "sha1-array.h"
af65f68c 20#include "sigchain.h"
e967ca38 21#include "transport-internal.h"
ad6ac124 22#include "protocol.h"
0d4a1321 23#include "object-store.h"
960786e7
RD
24#include "color.h"
25
26static int transport_use_color = -1;
27static char transport_colors[][COLOR_MAXLEN] = {
28 GIT_COLOR_RESET,
29 GIT_COLOR_RED /* REJECTED */
30};
31
32enum color_transport {
33 TRANSPORT_COLOR_RESET = 0,
34 TRANSPORT_COLOR_REJECTED = 1
35};
36
37static int transport_color_config(void)
38{
39 const char *keys[] = {
40 "color.transport.reset",
41 "color.transport.rejected"
42 }, *key = "color.transport";
43 char *value;
44 int i;
45 static int initialized;
46
47 if (initialized)
48 return 0;
49 initialized = 1;
50
51 if (!git_config_get_string(key, &value))
52 transport_use_color = git_config_colorbool(key, value);
53
54 if (!want_color_stderr(transport_use_color))
55 return 0;
56
57 for (i = 0; i < ARRAY_SIZE(keys); i++)
58 if (!git_config_get_string(keys[i], &value)) {
59 if (!value)
60 return config_error_nonbool(keys[i]);
61 if (color_parse(value, transport_colors[i]) < 0)
62 return -1;
63 }
64
65 return 0;
66}
67
68static const char *transport_get_color(enum color_transport ix)
69{
70 if (want_color_stderr(transport_use_color))
71 return transport_colors[ix];
72 return "";
73}
cd547b48 74
e9fcd1e2
IL
75static void set_upstreams(struct transport *transport, struct ref *refs,
76 int pretend)
77{
78 struct ref *ref;
79 for (ref = refs; ref; ref = ref->next) {
80 const char *localname;
81 const char *tmp;
82 const char *remotename;
e9fcd1e2
IL
83 int flag = 0;
84 /*
85 * Check suitability for tracking. Must be successful /
86 * already up-to-date ref create/modify (not delete).
87 */
88 if (ref->status != REF_STATUS_OK &&
89 ref->status != REF_STATUS_UPTODATE)
90 continue;
91 if (!ref->peer_ref)
92 continue;
f4e54d02 93 if (is_null_oid(&ref->new_oid))
e9fcd1e2
IL
94 continue;
95
96 /* Follow symbolic refs (mainly for HEAD). */
97 localname = ref->peer_ref->name;
98 remotename = ref->name;
7695d118 99 tmp = resolve_ref_unsafe(localname, RESOLVE_REF_READING,
744c040b 100 NULL, &flag);
e9fcd1e2 101 if (tmp && flag & REF_ISSYMREF &&
59556548 102 starts_with(tmp, "refs/heads/"))
e9fcd1e2
IL
103 localname = tmp;
104
105 /* Both source and destination must be local branches. */
59556548 106 if (!localname || !starts_with(localname, "refs/heads/"))
e9fcd1e2 107 continue;
59556548 108 if (!remotename || !starts_with(remotename, "refs/heads/"))
e9fcd1e2
IL
109 continue;
110
111 if (!pretend)
112 install_branch_config(BRANCH_CONFIG_VERBOSE,
113 localname + 11, transport->remote->name,
114 remotename);
115 else
7ab1d44f 116 printf(_("Would set upstream of '%s' to '%s' of '%s'\n"),
e9fcd1e2
IL
117 localname + 11, remotename + 11,
118 transport->remote->name);
119 }
120}
121
c7a8a162
JS
122struct bundle_transport_data {
123 int fd;
124 struct bundle_header header;
125};
126
834cf34b
BW
127static struct ref *get_refs_from_bundle(struct transport *transport,
128 int for_push,
129 const struct argv_array *ref_prefixes)
c7a8a162
JS
130{
131 struct bundle_transport_data *data = transport->data;
132 struct ref *result = NULL;
133 int i;
134
64fcef2d
DB
135 if (for_push)
136 return NULL;
137
c7a8a162
JS
138 if (data->fd > 0)
139 close(data->fd);
140 data->fd = read_bundle_header(transport->url, &data->header);
141 if (data->fd < 0)
68e39e41 142 die(_("could not read bundle '%s'"), transport->url);
c7a8a162
JS
143 for (i = 0; i < data->header.references.nr; i++) {
144 struct ref_list_entry *e = data->header.references.list + i;
59c69c0c 145 struct ref *ref = alloc_ref(e->name);
b8607f35 146 oidcpy(&ref->old_oid, &e->oid);
c7a8a162
JS
147 ref->next = result;
148 result = ref;
149 }
150 return result;
151}
152
1788c39c 153static int fetch_refs_from_bundle(struct transport *transport,
e2842b39 154 int nr_heads, struct ref **to_fetch)
c7a8a162
JS
155{
156 struct bundle_transport_data *data = transport->data;
be042aff
JH
157 return unbundle(&data->header, data->fd,
158 transport->progress ? BUNDLE_VERBOSE : 0);
c7a8a162
JS
159}
160
161static int close_bundle(struct transport *transport)
162{
163 struct bundle_transport_data *data = transport->data;
164 if (data->fd > 0)
165 close(data->fd);
f4e95765 166 free(data);
c7a8a162
JS
167 return 0;
168}
169
9b288516 170struct git_transport_data {
aa5af974 171 struct git_transport_options options;
ba227857
DB
172 struct child_process *conn;
173 int fd[2];
61b075bd 174 unsigned got_remote_heads : 1;
432e9565 175 enum protocol_version version;
910650d2 176 struct oid_array extra_have;
177 struct oid_array shallow;
9b288516
DB
178};
179
aa5af974 180static int set_git_option(struct git_transport_options *opts,
9b288516
DB
181 const char *name, const char *value)
182{
c29727d5 183 if (!strcmp(name, TRANS_OPT_UPLOADPACK)) {
aa5af974 184 opts->uploadpack = value;
c29727d5
DB
185 return 0;
186 } else if (!strcmp(name, TRANS_OPT_RECEIVEPACK)) {
aa5af974 187 opts->receivepack = value;
9b288516
DB
188 return 0;
189 } else if (!strcmp(name, TRANS_OPT_THIN)) {
aa5af974 190 opts->thin = !!value;
9b288516 191 return 0;
41fa7d2e 192 } else if (!strcmp(name, TRANS_OPT_FOLLOWTAGS)) {
aa5af974 193 opts->followtags = !!value;
41fa7d2e 194 return 0;
c29727d5 195 } else if (!strcmp(name, TRANS_OPT_KEEP)) {
aa5af974 196 opts->keep = !!value;
c29727d5 197 return 0;
48d25cae
NTND
198 } else if (!strcmp(name, TRANS_OPT_UPDATE_SHALLOW)) {
199 opts->update_shallow = !!value;
200 return 0;
c29727d5
DB
201 } else if (!strcmp(name, TRANS_OPT_DEPTH)) {
202 if (!value)
aa5af974 203 opts->depth = 0;
e7622ce8
NTND
204 else {
205 char *end;
206 opts->depth = strtol(value, &end, 0);
207 if (*end)
7ab1d44f 208 die(_("transport: invalid depth option '%s'"), value);
e7622ce8 209 }
c29727d5 210 return 0;
508ea882
NTND
211 } else if (!strcmp(name, TRANS_OPT_DEEPEN_SINCE)) {
212 opts->deepen_since = value;
213 return 0;
a45a2600
NTND
214 } else if (!strcmp(name, TRANS_OPT_DEEPEN_NOT)) {
215 opts->deepen_not = (const struct string_list *)value;
216 return 0;
cccf74e2
NTND
217 } else if (!strcmp(name, TRANS_OPT_DEEPEN_RELATIVE)) {
218 opts->deepen_relative = !!value;
219 return 0;
88e2f9ed
JT
220 } else if (!strcmp(name, TRANS_OPT_FROM_PROMISOR)) {
221 opts->from_promisor = !!value;
222 return 0;
223 } else if (!strcmp(name, TRANS_OPT_NO_DEPENDENTS)) {
224 opts->no_dependents = !!value;
225 return 0;
640d8b72
JH
226 } else if (!strcmp(name, TRANS_OPT_LIST_OBJECTS_FILTER)) {
227 parse_list_objects_filter(&opts->filter_options, value);
228 return 0;
9b288516
DB
229 }
230 return 1;
231}
232
f3ee9ca5 233static int connect_setup(struct transport *transport, int for_push)
ba227857
DB
234{
235 struct git_transport_data *data = transport->data;
f3ee9ca5 236 int flags = transport->verbose > 0 ? CONNECT_VERBOSE : 0;
61b075bd
IL
237
238 if (data->conn)
239 return 0;
240
c915f11e
EW
241 switch (transport->family) {
242 case TRANSPORT_FAMILY_ALL: break;
243 case TRANSPORT_FAMILY_IPV4: flags |= CONNECT_IPV4; break;
244 case TRANSPORT_FAMILY_IPV6: flags |= CONNECT_IPV6; break;
245 }
246
5a277f3f
JH
247 data->conn = git_connect(data->fd, transport->url,
248 for_push ? data->options.receivepack :
249 data->options.uploadpack,
f3ee9ca5 250 flags);
61b075bd 251
ba227857
DB
252 return 0;
253}
254
834cf34b
BW
255static struct ref *get_refs_via_connect(struct transport *transport, int for_push,
256 const struct argv_array *ref_prefixes)
c29727d5
DB
257{
258 struct git_transport_data *data = transport->data;
ad6ac124
BW
259 struct ref *refs = NULL;
260 struct packet_reader reader;
c29727d5 261
f3ee9ca5 262 connect_setup(transport, for_push);
ad6ac124
BW
263
264 packet_reader_init(&reader, data->fd[0], NULL, 0,
265 PACKET_READ_CHOMP_NEWLINE |
266 PACKET_READ_GENTLE_ON_EOF);
267
432e9565
BW
268 data->version = discover_version(&reader);
269 switch (data->version) {
8f6982b4 270 case protocol_v2:
834cf34b 271 get_remote_refs(data->fd[1], &reader, &refs, for_push,
ff473221 272 ref_prefixes, transport->server_options);
8f6982b4 273 break;
ad6ac124
BW
274 case protocol_v1:
275 case protocol_v0:
276 get_remote_heads(&reader, &refs,
277 for_push ? REF_NORMAL : 0,
278 &data->extra_have,
279 &data->shallow);
280 break;
281 case protocol_unknown_version:
282 BUG("unknown protocol version");
283 }
61b075bd 284 data->got_remote_heads = 1;
c29727d5
DB
285
286 return refs;
287}
288
1788c39c 289static int fetch_refs_via_pack(struct transport *transport,
e2842b39 290 int nr_heads, struct ref **to_fetch)
c29727d5 291{
e70a65c5 292 int ret = 0;
c29727d5 293 struct git_transport_data *data = transport->data;
432e9565 294 struct ref *refs = NULL;
c29727d5
DB
295 char *dest = xstrdup(transport->url);
296 struct fetch_pack_args args;
00183cbb 297 struct ref *refs_tmp = NULL;
c29727d5 298
fa740529 299 memset(&args, 0, sizeof(args));
aa5af974
IL
300 args.uploadpack = data->options.uploadpack;
301 args.keep_pack = data->options.keep;
fa740529 302 args.lock_pack = 1;
aa5af974
IL
303 args.use_thin_pack = data->options.thin;
304 args.include_tag = data->options.followtags;
bd2c86ef 305 args.verbose = (transport->verbose > 1);
fe8aa148 306 args.quiet = (transport->verbose < 0);
d01b3c02 307 args.no_progress = !transport->progress;
aa5af974 308 args.depth = data->options.depth;
508ea882 309 args.deepen_since = data->options.deepen_since;
a45a2600 310 args.deepen_not = data->options.deepen_not;
cccf74e2 311 args.deepen_relative = data->options.deepen_relative;
c6807a40
NTND
312 args.check_self_contained_and_connected =
313 data->options.check_self_contained_and_connected;
beea4152 314 args.cloning = transport->cloning;
48d25cae 315 args.update_shallow = data->options.update_shallow;
88e2f9ed
JT
316 args.from_promisor = data->options.from_promisor;
317 args.no_dependents = data->options.no_dependents;
640d8b72 318 args.filter_options = data->options.filter_options;
edc9caf7 319 args.stateless_rpc = transport->stateless_rpc;
5e3548ef 320 args.server_options = transport->server_options;
3390e42a 321 args.negotiation_tips = data->options.negotiation_tips;
c29727d5 322
635365eb 323 if (!data->got_remote_heads)
834cf34b 324 refs_tmp = get_refs_via_connect(transport, 0, NULL);
ba227857 325
432e9565 326 switch (data->version) {
8f6982b4 327 case protocol_v2:
685fbd32
BW
328 refs = fetch_pack(&args, data->fd, data->conn,
329 refs_tmp ? refs_tmp : transport->remote_refs,
330 dest, to_fetch, nr_heads, &data->shallow,
331 &transport->pack_lockfile, data->version);
8f6982b4 332 break;
432e9565
BW
333 case protocol_v1:
334 case protocol_v0:
335 refs = fetch_pack(&args, data->fd, data->conn,
336 refs_tmp ? refs_tmp : transport->remote_refs,
337 dest, to_fetch, nr_heads, &data->shallow,
685fbd32 338 &transport->pack_lockfile, data->version);
432e9565
BW
339 break;
340 case protocol_unknown_version:
341 BUG("unknown protocol version");
ba227857
DB
342 }
343
ba227857
DB
344 close(data->fd[0]);
345 close(data->fd[1]);
e70a65c5
MM
346 if (finish_connect(data->conn))
347 ret = -1;
ba227857 348 data->conn = NULL;
61b075bd 349 data->got_remote_heads = 0;
c6807a40
NTND
350 data->options.self_contained_and_connected =
351 args.self_contained_and_connected;
cf1e7c07 352 data->options.connectivity_checked = args.connectivity_checked;
c29727d5 353
e70a65c5
MM
354 if (refs == NULL)
355 ret = -1;
356 if (report_unmatched_refs(to_fetch, nr_heads))
357 ret = -1;
358
00183cbb 359 free_refs(refs_tmp);
e2842b39 360 free_refs(refs);
c29727d5 361 free(dest);
e70a65c5 362 return ret;
c29727d5
DB
363}
364
481c7a6d
JK
365static int push_had_errors(struct ref *ref)
366{
367 for (; ref; ref = ref->next) {
368 switch (ref->status) {
369 case REF_STATUS_NONE:
370 case REF_STATUS_UPTODATE:
371 case REF_STATUS_OK:
372 break;
373 default:
374 return 1;
375 }
376 }
377 return 0;
378}
379
f1863d0d 380int transport_refs_pushed(struct ref *ref)
64fcef2d
DB
381{
382 for (; ref; ref = ref->next) {
383 switch(ref->status) {
384 case REF_STATUS_NONE:
385 case REF_STATUS_UPTODATE:
386 break;
387 default:
388 return 1;
389 }
390 }
391 return 0;
392}
393
f1863d0d 394void transport_update_tracking_ref(struct remote *remote, struct ref *ref, int verbose)
64fcef2d 395{
0ad4a5ff 396 struct refspec_item rs;
64fcef2d
DB
397
398 if (ref->status != REF_STATUS_OK && ref->status != REF_STATUS_UPTODATE)
399 return;
400
401 rs.src = ref->name;
402 rs.dst = NULL;
403
404 if (!remote_find_tracking(remote, &rs)) {
405 if (verbose)
406 fprintf(stderr, "updating local tracking ref '%s'\n", rs.dst);
407 if (ref->deletion) {
755b49ae 408 delete_ref(NULL, rs.dst, NULL, 0);
64fcef2d 409 } else
ae077771 410 update_ref("update by push", rs.dst, &ref->new_oid,
411 NULL, 0, 0);
64fcef2d
DB
412 free(rs.dst);
413 }
414}
415
7101e10c
JH
416static void print_ref_status(char flag, const char *summary,
417 struct ref *to, struct ref *from, const char *msg,
418 int porcelain, int summary_width)
64fcef2d 419{
1965ff74
LA
420 if (porcelain) {
421 if (from)
422 fprintf(stdout, "%c\t%s:%s\t", flag, from->name, to->name);
423 else
424 fprintf(stdout, "%c\t:%s\t", flag, to->name);
425 if (msg)
426 fprintf(stdout, "%s (%s)\n", summary, msg);
427 else
428 fprintf(stdout, "%s\n", summary);
429 } else {
960786e7
RD
430 const char *red = "", *reset = "";
431 if (push_had_errors(to)) {
432 red = transport_get_color(TRANSPORT_COLOR_REJECTED);
433 reset = transport_get_color(TRANSPORT_COLOR_RESET);
434 }
435 fprintf(stderr, " %s%c %-*s%s ", red, flag, summary_width,
436 summary, reset);
1965ff74
LA
437 if (from)
438 fprintf(stderr, "%s -> %s", prettify_refname(from->name), prettify_refname(to->name));
439 else
440 fputs(prettify_refname(to->name), stderr);
441 if (msg) {
442 fputs(" (", stderr);
443 fputs(msg, stderr);
444 fputc(')', stderr);
445 }
446 fputc('\n', stderr);
64fcef2d 447 }
64fcef2d
DB
448}
449
7101e10c 450static void print_ok_ref_status(struct ref *ref, int porcelain, int summary_width)
64fcef2d
DB
451{
452 if (ref->deletion)
7101e10c
JH
453 print_ref_status('-', "[deleted]", ref, NULL, NULL,
454 porcelain, summary_width);
f4e54d02 455 else if (is_null_oid(&ref->old_oid))
64fcef2d 456 print_ref_status('*',
59556548 457 (starts_with(ref->name, "refs/tags/") ? "[new tag]" :
1965ff74 458 "[new branch]"),
7101e10c 459 ref, ref->peer_ref, NULL, porcelain, summary_width);
64fcef2d 460 else {
bd22d4ff 461 struct strbuf quickref = STRBUF_INIT;
64fcef2d
DB
462 char type;
463 const char *msg;
464
30e677e0 465 strbuf_add_unique_abbrev(&quickref, &ref->old_oid,
1eb47f16 466 DEFAULT_ABBREV);
5ece083f 467 if (ref->forced_update) {
bd22d4ff 468 strbuf_addstr(&quickref, "...");
64fcef2d
DB
469 type = '+';
470 msg = "forced update";
471 } else {
bd22d4ff 472 strbuf_addstr(&quickref, "..");
64fcef2d
DB
473 type = ' ';
474 msg = NULL;
475 }
30e677e0 476 strbuf_add_unique_abbrev(&quickref, &ref->new_oid,
1eb47f16 477 DEFAULT_ABBREV);
64fcef2d 478
7101e10c
JH
479 print_ref_status(type, quickref.buf, ref, ref->peer_ref, msg,
480 porcelain, summary_width);
bd22d4ff 481 strbuf_release(&quickref);
64fcef2d
DB
482 }
483}
484
7101e10c
JH
485static int print_one_push_status(struct ref *ref, const char *dest, int count,
486 int porcelain, int summary_width)
64fcef2d 487{
882d49ca
JK
488 if (!count) {
489 char *url = transport_anonymize_url(dest);
490 fprintf(porcelain ? stdout : stderr, "To %s\n", url);
491 free(url);
492 }
64fcef2d
DB
493
494 switch(ref->status) {
495 case REF_STATUS_NONE:
7101e10c
JH
496 print_ref_status('X', "[no match]", ref, NULL, NULL,
497 porcelain, summary_width);
64fcef2d
DB
498 break;
499 case REF_STATUS_REJECT_NODELETE:
500 print_ref_status('!', "[rejected]", ref, NULL,
7101e10c
JH
501 "remote does not support deleting refs",
502 porcelain, summary_width);
64fcef2d
DB
503 break;
504 case REF_STATUS_UPTODATE:
505 print_ref_status('=', "[up to date]", ref,
7101e10c 506 ref->peer_ref, NULL, porcelain, summary_width);
64fcef2d
DB
507 break;
508 case REF_STATUS_REJECT_NONFASTFORWARD:
509 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
7101e10c 510 "non-fast-forward", porcelain, summary_width);
64fcef2d 511 break;
dbfeddb1
CR
512 case REF_STATUS_REJECT_ALREADY_EXISTS:
513 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
7101e10c 514 "already exists", porcelain, summary_width);
dbfeddb1 515 break;
75e5c0dc
JH
516 case REF_STATUS_REJECT_FETCH_FIRST:
517 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
7101e10c 518 "fetch first", porcelain, summary_width);
75e5c0dc
JH
519 break;
520 case REF_STATUS_REJECT_NEEDS_FORCE:
521 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
7101e10c 522 "needs force", porcelain, summary_width);
75e5c0dc 523 break;
631b5ef2
JH
524 case REF_STATUS_REJECT_STALE:
525 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
7101e10c 526 "stale info", porcelain, summary_width);
631b5ef2 527 break;
4820a33b
NTND
528 case REF_STATUS_REJECT_SHALLOW:
529 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
7101e10c
JH
530 "new shallow roots not allowed",
531 porcelain, summary_width);
4820a33b 532 break;
64fcef2d
DB
533 case REF_STATUS_REMOTE_REJECT:
534 print_ref_status('!', "[remote rejected]", ref,
7101e10c
JH
535 ref->deletion ? NULL : ref->peer_ref,
536 ref->remote_status, porcelain, summary_width);
64fcef2d
DB
537 break;
538 case REF_STATUS_EXPECTING_REPORT:
539 print_ref_status('!', "[remote failure]", ref,
7101e10c
JH
540 ref->deletion ? NULL : ref->peer_ref,
541 "remote failed to report status",
542 porcelain, summary_width);
64fcef2d 543 break;
4ff17f10
RS
544 case REF_STATUS_ATOMIC_PUSH_FAILED:
545 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
7101e10c 546 "atomic push failed", porcelain, summary_width);
4ff17f10 547 break;
64fcef2d 548 case REF_STATUS_OK:
7101e10c 549 print_ok_ref_status(ref, porcelain, summary_width);
64fcef2d
DB
550 break;
551 }
552
553 return 1;
554}
555
db98d9ba
JH
556static int measure_abbrev(const struct object_id *oid, int sofar)
557{
dc01505f 558 char hex[GIT_MAX_HEXSZ + 1];
aab9583f 559 int w = find_unique_abbrev_r(hex, oid, DEFAULT_ABBREV);
db98d9ba
JH
560
561 return (w < sofar) ? sofar : w;
562}
563
11fd66de
JH
564int transport_summary_width(const struct ref *refs)
565{
db98d9ba
JH
566 int maxw = -1;
567
568 for (; refs; refs = refs->next) {
569 maxw = measure_abbrev(&refs->old_oid, maxw);
570 maxw = measure_abbrev(&refs->new_oid, maxw);
571 }
572 if (maxw < 0)
573 maxw = FALLBACK_DEFAULT_ABBREV;
574 return (2 * maxw + 3);
11fd66de
JH
575}
576
f1863d0d 577void transport_print_push_status(const char *dest, struct ref *refs,
10643d4e 578 int verbose, int porcelain, unsigned int *reject_reasons)
64fcef2d
DB
579{
580 struct ref *ref;
581 int n = 0;
f25950f3 582 char *head;
11fd66de 583 int summary_width = transport_summary_width(refs);
f25950f3 584
960786e7
RD
585 if (transport_color_config() < 0)
586 warning(_("could not parse transport.color.* config"));
587
efbd4fdf 588 head = resolve_refdup("HEAD", RESOLVE_REF_READING, NULL, NULL);
64fcef2d
DB
589
590 if (verbose) {
591 for (ref = refs; ref; ref = ref->next)
592 if (ref->status == REF_STATUS_UPTODATE)
7101e10c
JH
593 n += print_one_push_status(ref, dest, n,
594 porcelain, summary_width);
64fcef2d
DB
595 }
596
597 for (ref = refs; ref; ref = ref->next)
598 if (ref->status == REF_STATUS_OK)
7101e10c
JH
599 n += print_one_push_status(ref, dest, n,
600 porcelain, summary_width);
64fcef2d 601
10643d4e 602 *reject_reasons = 0;
64fcef2d
DB
603 for (ref = refs; ref; ref = ref->next) {
604 if (ref->status != REF_STATUS_NONE &&
605 ref->status != REF_STATUS_UPTODATE &&
606 ref->status != REF_STATUS_OK)
7101e10c
JH
607 n += print_one_push_status(ref, dest, n,
608 porcelain, summary_width);
10643d4e 609 if (ref->status == REF_STATUS_REJECT_NONFASTFORWARD) {
1d2c14df 610 if (head != NULL && !strcmp(head, ref->name))
10643d4e 611 *reject_reasons |= REJECT_NON_FF_HEAD;
f25950f3 612 else
10643d4e 613 *reject_reasons |= REJECT_NON_FF_OTHER;
dbfeddb1
CR
614 } else if (ref->status == REF_STATUS_REJECT_ALREADY_EXISTS) {
615 *reject_reasons |= REJECT_ALREADY_EXISTS;
75e5c0dc
JH
616 } else if (ref->status == REF_STATUS_REJECT_FETCH_FIRST) {
617 *reject_reasons |= REJECT_FETCH_FIRST;
618 } else if (ref->status == REF_STATUS_REJECT_NEEDS_FORCE) {
619 *reject_reasons |= REJECT_NEEDS_FORCE;
f25950f3 620 }
64fcef2d 621 }
dc76c7f7 622 free(head);
64fcef2d
DB
623}
624
64fcef2d 625static int git_transport_push(struct transport *transport, struct ref *remote_refs, int flags)
f3fa1838 626{
9b288516 627 struct git_transport_data *data = transport->data;
40cb4fab 628 struct send_pack_args args;
432e9565 629 int ret = 0;
64fcef2d 630
960786e7
RD
631 if (transport_color_config() < 0)
632 return -1;
633
635365eb 634 if (!data->got_remote_heads)
834cf34b 635 get_refs_via_connect(transport, 1, NULL);
9b288516 636
de1a2fdd 637 memset(&args, 0, sizeof(args));
94c89ba6 638 args.send_mirror = !!(flags & TRANSPORT_PUSH_MIRROR);
40cb4fab 639 args.force_update = !!(flags & TRANSPORT_PUSH_FORCE);
aa5af974 640 args.use_thin_pack = data->options.thin;
8afd8dc0
TRC
641 args.verbose = (transport->verbose > 0);
642 args.quiet = (transport->verbose < 0);
d7c411b7 643 args.progress = transport->progress;
40cb4fab 644 args.dry_run = !!(flags & TRANSPORT_PUSH_DRY_RUN);
77555854 645 args.porcelain = !!(flags & TRANSPORT_PUSH_PORCELAIN);
d0e8e09c 646 args.atomic = !!(flags & TRANSPORT_PUSH_ATOMIC);
f6a4e61f 647 args.push_options = transport->push_options;
9be89160 648 args.url = transport->url;
40cb4fab 649
30261094
DB
650 if (flags & TRANSPORT_PUSH_CERT_ALWAYS)
651 args.push_cert = SEND_PACK_PUSH_CERT_ALWAYS;
652 else if (flags & TRANSPORT_PUSH_CERT_IF_ASKED)
653 args.push_cert = SEND_PACK_PUSH_CERT_IF_ASKED;
654 else
655 args.push_cert = SEND_PACK_PUSH_CERT_NEVER;
656
432e9565 657 switch (data->version) {
8f6982b4 658 case protocol_v2:
68e39e41 659 die(_("support for protocol v2 not implemented yet"));
8f6982b4 660 break;
432e9565
BW
661 case protocol_v1:
662 case protocol_v0:
663 ret = send_pack(&args, data->fd, data->conn, remote_refs,
664 &data->extra_have);
665 break;
666 case protocol_unknown_version:
667 BUG("unknown protocol version");
668 }
64fcef2d
DB
669
670 close(data->fd[1]);
671 close(data->fd[0]);
672 ret |= finish_connect(data->conn);
673 data->conn = NULL;
61b075bd 674 data->got_remote_heads = 0;
64fcef2d
DB
675
676 return ret;
9b288516
DB
677}
678
b236752a
IL
679static int connect_git(struct transport *transport, const char *name,
680 const char *executable, int fd[2])
681{
682 struct git_transport_data *data = transport->data;
683 data->conn = git_connect(data->fd, transport->url,
684 executable, 0);
685 fd[0] = data->fd[0];
686 fd[1] = data->fd[1];
687 return 0;
688}
689
f4e95765
SP
690static int disconnect_git(struct transport *transport)
691{
ba227857
DB
692 struct git_transport_data *data = transport->data;
693 if (data->conn) {
61b075bd
IL
694 if (data->got_remote_heads)
695 packet_flush(data->fd[1]);
ba227857
DB
696 close(data->fd[0]);
697 close(data->fd[1]);
698 finish_connect(data->conn);
699 }
700
701 free(data);
f4e95765
SP
702 return 0;
703}
704
e967ca38
JT
705static struct transport_vtable taken_over_vtable = {
706 NULL,
707 get_refs_via_connect,
708 fetch_refs_via_pack,
709 git_transport_push,
710 NULL,
711 disconnect_git
712};
713
61b075bd
IL
714void transport_take_over(struct transport *transport,
715 struct child_process *child)
716{
717 struct git_transport_data *data;
718
719 if (!transport->smart_options)
033abf97 720 BUG("taking over transport requires non-NULL "
61b075bd
IL
721 "smart_options field.");
722
723 data = xcalloc(1, sizeof(*data));
724 data->options = *transport->smart_options;
725 data->conn = child;
726 data->fd[0] = data->conn->out;
727 data->fd[1] = data->conn->in;
728 data->got_remote_heads = 0;
729 transport->data = data;
730
e967ca38 731 transport->vtable = &taken_over_vtable;
61b075bd 732 transport->smart_options = &(data->options);
b26ed430
JH
733
734 transport->cannot_reuse = 1;
61b075bd
IL
735}
736
9b288516
DB
737static int is_file(const char *url)
738{
739 struct stat buf;
740 if (stat(url, &buf))
741 return 0;
742 return S_ISREG(buf.st_mode);
743}
744
25d5cc48
IL
745static int external_specification_len(const char *url)
746{
747 return strchr(url, ':') - url;
748}
749
5088d3b3 750static const struct string_list *protocol_whitelist(void)
a5adaced 751{
5088d3b3
JK
752 static int enabled = -1;
753 static struct string_list allowed = STRING_LIST_INIT_DUP;
a5adaced 754
5088d3b3
JK
755 if (enabled < 0) {
756 const char *v = getenv("GIT_ALLOW_PROTOCOL");
757 if (v) {
758 string_list_split(&allowed, v, ':', -1);
759 string_list_sort(&allowed);
760 enabled = 1;
761 } else {
762 enabled = 0;
763 }
764 }
765
766 return enabled ? &allowed : NULL;
767}
a5adaced 768
f1762d77
BW
769enum protocol_allow_config {
770 PROTOCOL_ALLOW_NEVER = 0,
771 PROTOCOL_ALLOW_USER_ONLY,
772 PROTOCOL_ALLOW_ALWAYS
773};
774
775static enum protocol_allow_config parse_protocol_config(const char *key,
776 const char *value)
5088d3b3 777{
f1762d77
BW
778 if (!strcasecmp(value, "always"))
779 return PROTOCOL_ALLOW_ALWAYS;
780 else if (!strcasecmp(value, "never"))
781 return PROTOCOL_ALLOW_NEVER;
782 else if (!strcasecmp(value, "user"))
783 return PROTOCOL_ALLOW_USER_ONLY;
784
68e39e41 785 die(_("unknown value for config '%s': %s"), key, value);
5088d3b3
JK
786}
787
f1762d77 788static enum protocol_allow_config get_protocol_config(const char *type)
5088d3b3 789{
f1762d77
BW
790 char *key = xstrfmt("protocol.%s.allow", type);
791 char *value;
792
793 /* first check the per-protocol config */
794 if (!git_config_get_string(key, &value)) {
795 enum protocol_allow_config ret =
796 parse_protocol_config(key, value);
797 free(key);
798 free(value);
799 return ret;
800 }
801 free(key);
802
803 /* if defined, fallback to user-defined default for unknown protocols */
804 if (!git_config_get_string("protocol.allow", &value)) {
805 enum protocol_allow_config ret =
806 parse_protocol_config("protocol.allow", value);
807 free(value);
808 return ret;
809 }
810
811 /* fallback to built-in defaults */
812 /* known safe */
813 if (!strcmp(type, "http") ||
814 !strcmp(type, "https") ||
815 !strcmp(type, "git") ||
816 !strcmp(type, "ssh") ||
817 !strcmp(type, "file"))
818 return PROTOCOL_ALLOW_ALWAYS;
819
820 /* known scary; err on the side of caution */
821 if (!strcmp(type, "ext"))
822 return PROTOCOL_ALLOW_NEVER;
823
824 /* unknown; by default let them be used only directly by the user */
825 return PROTOCOL_ALLOW_USER_ONLY;
5088d3b3
JK
826}
827
a768a022 828int is_transport_allowed(const char *type, int from_user)
5088d3b3 829{
f1762d77
BW
830 const struct string_list *whitelist = protocol_whitelist();
831 if (whitelist)
832 return string_list_has_string(whitelist, type);
833
834 switch (get_protocol_config(type)) {
835 case PROTOCOL_ALLOW_ALWAYS:
836 return 1;
837 case PROTOCOL_ALLOW_NEVER:
838 return 0;
839 case PROTOCOL_ALLOW_USER_ONLY:
a768a022
BW
840 if (from_user < 0)
841 from_user = git_env_bool("GIT_PROTOCOL_FROM_USER", 1);
842 return from_user;
f1762d77
BW
843 }
844
033abf97 845 BUG("invalid protocol_allow_config type");
5088d3b3
JK
846}
847
848void transport_check_allowed(const char *type)
849{
a768a022 850 if (!is_transport_allowed(type, -1))
68e39e41 851 die(_("transport '%s' not allowed"), type);
a5adaced
JK
852}
853
e967ca38
JT
854static struct transport_vtable bundle_vtable = {
855 NULL,
856 get_refs_from_bundle,
857 fetch_refs_from_bundle,
858 NULL,
859 NULL,
860 close_bundle
861};
862
863static struct transport_vtable builtin_smart_vtable = {
864 NULL,
865 get_refs_via_connect,
866 fetch_refs_via_pack,
867 git_transport_push,
868 connect_git,
869 disconnect_git
870};
871
e5f4e214 872struct transport *transport_get(struct remote *remote, const char *url)
9b288516 873{
4da50460 874 const char *helper;
8eb554ae
SP
875 struct transport *ret = xcalloc(1, sizeof(*ret));
876
d01b3c02
TRC
877 ret->progress = isatty(2);
878
c1d45cf7 879 if (!remote)
1a07e59c 880 BUG("No remote provided to transport_get()");
c1d45cf7 881
b0d66e15 882 ret->got_remote_refs = 0;
8eb554ae 883 ret->remote = remote;
4da50460 884 helper = remote->foreign_vcs;
fb0cc87e 885
cb21d8f0 886 if (!url && remote->url)
fb0cc87e 887 url = remote->url[0];
8eb554ae 888 ret->url = url;
8eb554ae 889
87422439
JS
890 /* maybe it is a foreign URL? */
891 if (url) {
892 const char *p = url;
893
638794cd 894 while (is_urlschemechar(p == url, *p))
87422439 895 p++;
59556548 896 if (starts_with(p, "::"))
4da50460 897 helper = xstrndup(url, p - url);
87422439
JS
898 }
899
4da50460
IL
900 if (helper) {
901 transport_helper_init(ret, helper);
59556548 902 } else if (starts_with(url, "rsync:")) {
68e39e41 903 die(_("git-over-rsync is no longer supported"));
c59ab2e5 904 } else if (url_is_local_not_ssh(url) && is_file(url) && is_bundle(url, 1)) {
c7a8a162 905 struct bundle_transport_data *data = xcalloc(1, sizeof(*data));
a5adaced 906 transport_check_allowed("file");
c7a8a162 907 ret->data = data;
e967ca38 908 ret->vtable = &bundle_vtable;
aa5af974 909 ret->smart_options = NULL;
25d5cc48 910 } else if (!is_url(url)
59556548
CC
911 || starts_with(url, "file://")
912 || starts_with(url, "git://")
913 || starts_with(url, "ssh://")
07c7782c
CMN
914 || starts_with(url, "git+ssh://") /* deprecated - do not use */
915 || starts_with(url, "ssh+git://") /* deprecated - do not use */
916 ) {
a5adaced
JK
917 /*
918 * These are builtin smart transports; "allowed" transports
919 * will be checked individually in git_connect.
920 */
9b288516 921 struct git_transport_data *data = xcalloc(1, sizeof(*data));
9b288516 922 ret->data = data;
e967ca38 923 ret->vtable = &builtin_smart_vtable;
aa5af974 924 ret->smart_options = &(data->options);
824d5776 925
ba227857 926 data->conn = NULL;
61b075bd 927 data->got_remote_heads = 0;
25d5cc48
IL
928 } else {
929 /* Unknown protocol in URL. Pass to external handler. */
930 int len = external_specification_len(url);
6b33894f 931 char *handler = xmemdupz(url, len);
25d5cc48 932 transport_helper_init(ret, handler);
9b288516 933 }
8eb554ae 934
aa5af974
IL
935 if (ret->smart_options) {
936 ret->smart_options->thin = 1;
937 ret->smart_options->uploadpack = "git-upload-pack";
938 if (remote->uploadpack)
939 ret->smart_options->uploadpack = remote->uploadpack;
940 ret->smart_options->receivepack = "git-receive-pack";
941 if (remote->receivepack)
942 ret->smart_options->receivepack = remote->receivepack;
943 }
944
9b288516
DB
945 return ret;
946}
947
948int transport_set_option(struct transport *transport,
949 const char *name, const char *value)
950{
aa5af974
IL
951 int git_reports = 1, protocol_reports = 1;
952
953 if (transport->smart_options)
954 git_reports = set_git_option(transport->smart_options,
955 name, value);
956
e967ca38
JT
957 if (transport->vtable->set_option)
958 protocol_reports = transport->vtable->set_option(transport,
959 name, value);
aa5af974
IL
960
961 /* If either report is 0, report 0 (success). */
962 if (!git_reports || !protocol_reports)
963 return 0;
964 /* If either reports -1 (invalid value), report -1. */
965 if ((git_reports == -1) || (protocol_reports == -1))
966 return -1;
967 /* Otherwise if both report unknown, report unknown. */
ab865e6e 968 return 1;
9b288516
DB
969}
970
d01b3c02
TRC
971void transport_set_verbosity(struct transport *transport, int verbosity,
972 int force_progress)
bde873c5 973{
bd2c86ef 974 if (verbosity >= 1)
bde873c5
TRC
975 transport->verbose = verbosity <= 3 ? verbosity : 3;
976 if (verbosity < 0)
977 transport->verbose = -1;
d01b3c02
TRC
978
979 /**
980 * Rules used to determine whether to report progress (processing aborts
981 * when a rule is satisfied):
982 *
01fdc21f
CB
983 * . Report progress, if force_progress is 1 (ie. --progress).
984 * . Don't report progress, if force_progress is 0 (ie. --no-progress).
985 * . Don't report progress, if verbosity < 0 (ie. -q/--quiet ).
986 * . Report progress if isatty(2) is 1.
d01b3c02 987 **/
01fdc21f
CB
988 if (force_progress >= 0)
989 transport->progress = !!force_progress;
990 else
991 transport->progress = verbosity >= 0 && isatty(2);
bde873c5
TRC
992}
993
a762e51e
HV
994static void die_with_unpushed_submodules(struct string_list *needs_pushing)
995{
996 int i;
997
7ab1d44f
VA
998 fprintf(stderr, _("The following submodule paths contain changes that can\n"
999 "not be found on any remote:\n"));
a762e51e 1000 for (i = 0; i < needs_pushing->nr; i++)
5cb5fe4a 1001 fprintf(stderr, " %s\n", needs_pushing->items[i].string);
7ab1d44f
VA
1002 fprintf(stderr, _("\nPlease try\n\n"
1003 " git push --recurse-submodules=on-demand\n\n"
1004 "or cd to the path and use\n\n"
1005 " git push\n\n"
1006 "to push them to a remote.\n\n"));
a762e51e
HV
1007
1008 string_list_clear(needs_pushing, 0);
1009
7ab1d44f 1010 die(_("Aborting."));
a762e51e
HV
1011}
1012
ec55559f
AS
1013static int run_pre_push_hook(struct transport *transport,
1014 struct ref *remote_refs)
1015{
1016 int ret = 0, x;
1017 struct ref *r;
d3180279 1018 struct child_process proc = CHILD_PROCESS_INIT;
ec55559f
AS
1019 struct strbuf buf;
1020 const char *argv[4];
1021
1022 if (!(argv[0] = find_hook("pre-push")))
1023 return 0;
1024
1025 argv[1] = transport->remote->name;
1026 argv[2] = transport->url;
1027 argv[3] = NULL;
1028
ec55559f
AS
1029 proc.argv = argv;
1030 proc.in = -1;
1031
1032 if (start_command(&proc)) {
1033 finish_command(&proc);
1034 return -1;
1035 }
1036
af65f68c
CB
1037 sigchain_push(SIGPIPE, SIG_IGN);
1038
ec55559f
AS
1039 strbuf_init(&buf, 256);
1040
1041 for (r = remote_refs; r; r = r->next) {
1042 if (!r->peer_ref) continue;
1043 if (r->status == REF_STATUS_REJECT_NONFASTFORWARD) continue;
631b5ef2 1044 if (r->status == REF_STATUS_REJECT_STALE) continue;
ec55559f
AS
1045 if (r->status == REF_STATUS_UPTODATE) continue;
1046
1047 strbuf_reset(&buf);
1048 strbuf_addf( &buf, "%s %s %s %s\n",
f4e54d02 1049 r->peer_ref->name, oid_to_hex(&r->new_oid),
1050 r->name, oid_to_hex(&r->old_oid));
ec55559f 1051
af65f68c
CB
1052 if (write_in_full(proc.in, buf.buf, buf.len) < 0) {
1053 /* We do not mind if a hook does not read all refs. */
1054 if (errno != EPIPE)
1055 ret = -1;
ec55559f
AS
1056 break;
1057 }
1058 }
1059
1060 strbuf_release(&buf);
1061
1062 x = close(proc.in);
1063 if (!ret)
1064 ret = x;
1065
af65f68c
CB
1066 sigchain_pop(SIGPIPE);
1067
ec55559f
AS
1068 x = finish_command(&proc);
1069 if (!ret)
1070 ret = x;
1071
1072 return ret;
1073}
1074
9b288516 1075int transport_push(struct transport *transport,
306f22db 1076 struct refspec *rs, int flags,
10643d4e 1077 unsigned int *reject_reasons)
9b288516 1078{
10643d4e 1079 *reject_reasons = 0;
64fcef2d 1080
960786e7
RD
1081 if (transport_color_config() < 0)
1082 return -1;
1083
e967ca38 1084 if (transport->vtable->push_refs) {
ba928c13 1085 struct ref *remote_refs;
64fcef2d
DB
1086 struct ref *local_refs = get_local_heads();
1087 int match_flags = MATCH_REFS_NONE;
8afd8dc0
TRC
1088 int verbose = (transport->verbose > 0);
1089 int quiet = (transport->verbose < 0);
1965ff74 1090 int porcelain = flags & TRANSPORT_PUSH_PORCELAIN;
e9fcd1e2 1091 int pretend = flags & TRANSPORT_PUSH_DRY_RUN;
77555854 1092 int push_ret, ret, err;
5b872fff 1093 struct argv_array ref_prefixes = ARGV_ARRAY_INIT;
64fcef2d 1094
afb1aed4 1095 if (check_push_refs(local_refs, rs) < 0)
ba928c13
JK
1096 return -1;
1097
6373cb59 1098 refspec_ref_prefixes(rs, &ref_prefixes);
5b872fff
BW
1099
1100 remote_refs = transport->vtable->get_refs_list(transport, 1,
1101 &ref_prefixes);
1102
1103 argv_array_clear(&ref_prefixes);
ba928c13 1104
64fcef2d
DB
1105 if (flags & TRANSPORT_PUSH_ALL)
1106 match_flags |= MATCH_REFS_ALL;
1107 if (flags & TRANSPORT_PUSH_MIRROR)
1108 match_flags |= MATCH_REFS_MIRROR;
6ddba5e2
FC
1109 if (flags & TRANSPORT_PUSH_PRUNE)
1110 match_flags |= MATCH_REFS_PRUNE;
c2aba155
JH
1111 if (flags & TRANSPORT_PUSH_FOLLOW_TAGS)
1112 match_flags |= MATCH_REFS_FOLLOW_TAGS;
64fcef2d 1113
5c7ec846 1114 if (match_push_refs(local_refs, &remote_refs, rs, match_flags))
64fcef2d 1115 return -1;
64fcef2d 1116
91048a95
JH
1117 if (transport->smart_options &&
1118 transport->smart_options->cas &&
1119 !is_empty_cas(transport->smart_options->cas))
1120 apply_push_cas(transport->smart_options->cas,
1121 transport->remote, remote_refs);
1122
20e8b465
TRC
1123 set_ref_status_for_push(remote_refs,
1124 flags & TRANSPORT_PUSH_MIRROR,
1125 flags & TRANSPORT_PUSH_FORCE);
1126
ec55559f
AS
1127 if (!(flags & TRANSPORT_PUSH_NO_HOOK))
1128 if (run_pre_push_hook(transport, remote_refs))
1129 return -1;
1130
225e8bf7
BW
1131 if ((flags & (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND |
1132 TRANSPORT_RECURSE_SUBMODULES_ONLY)) &&
1133 !is_bare_repository()) {
d2b17b32 1134 struct ref *ref = remote_refs;
910650d2 1135 struct oid_array commits = OID_ARRAY_INIT;
9cfa1c26 1136
d2b17b32 1137 for (; ref; ref = ref->next)
9cfa1c26 1138 if (!is_null_oid(&ref->new_oid))
910650d2 1139 oid_array_append(&commits,
98a72ddc 1140 &ref->new_oid);
9cfa1c26 1141
0301c821 1142 if (!push_unpushed_submodules(&commits,
06bf4ad1 1143 transport->remote,
60fba4bf 1144 rs,
2a90556d 1145 transport->push_options,
0301c821 1146 pretend)) {
910650d2 1147 oid_array_clear(&commits);
68e39e41 1148 die(_("failed to push all needed submodules"));
9cfa1c26 1149 }
910650d2 1150 oid_array_clear(&commits);
eb21c732
HV
1151 }
1152
0301c821 1153 if (((flags & TRANSPORT_RECURSE_SUBMODULES_CHECK) ||
225e8bf7
BW
1154 ((flags & (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND |
1155 TRANSPORT_RECURSE_SUBMODULES_ONLY)) &&
0301c821 1156 !pretend)) && !is_bare_repository()) {
d2b17b32 1157 struct ref *ref = remote_refs;
f93d7c6f 1158 struct string_list needs_pushing = STRING_LIST_INIT_DUP;
910650d2 1159 struct oid_array commits = OID_ARRAY_INIT;
a762e51e 1160
d2b17b32 1161 for (; ref; ref = ref->next)
9cfa1c26 1162 if (!is_null_oid(&ref->new_oid))
910650d2 1163 oid_array_append(&commits,
98a72ddc 1164 &ref->new_oid);
9cfa1c26
HV
1165
1166 if (find_unpushed_submodules(&commits, transport->remote->name,
1167 &needs_pushing)) {
910650d2 1168 oid_array_clear(&commits);
9cfa1c26
HV
1169 die_with_unpushed_submodules(&needs_pushing);
1170 }
1171 string_list_clear(&needs_pushing, 0);
910650d2 1172 oid_array_clear(&commits);
d2b17b32
FG
1173 }
1174
225e8bf7 1175 if (!(flags & TRANSPORT_RECURSE_SUBMODULES_ONLY))
e967ca38 1176 push_ret = transport->vtable->push_refs(transport, remote_refs, flags);
225e8bf7
BW
1177 else
1178 push_ret = 0;
42328267 1179 err = push_had_errors(remote_refs);
77555854 1180 ret = push_ret | err;
64fcef2d 1181
42328267 1182 if (!quiet || err)
f1863d0d 1183 transport_print_push_status(transport->url, remote_refs,
6ffd7812 1184 verbose | porcelain, porcelain,
10643d4e 1185 reject_reasons);
64fcef2d 1186
e9fcd1e2
IL
1187 if (flags & TRANSPORT_PUSH_SET_UPSTREAM)
1188 set_upstreams(transport, remote_refs, pretend);
1189
225e8bf7
BW
1190 if (!(flags & (TRANSPORT_PUSH_DRY_RUN |
1191 TRANSPORT_RECURSE_SUBMODULES_ONLY))) {
64fcef2d
DB
1192 struct ref *ref;
1193 for (ref = remote_refs; ref; ref = ref->next)
f1863d0d 1194 transport_update_tracking_ref(transport->remote, ref, verbose);
64fcef2d
DB
1195 }
1196
77555854
LA
1197 if (porcelain && !push_ret)
1198 puts("Done");
66bce02e 1199 else if (!quiet && !ret && !transport_refs_pushed(remote_refs))
64fcef2d 1200 fprintf(stderr, "Everything up-to-date\n");
77555854 1201
64fcef2d
DB
1202 return ret;
1203 }
1204 return 1;
9b288516
DB
1205}
1206
1af8ae1c
BW
1207const struct ref *transport_get_remote_refs(struct transport *transport,
1208 const struct argv_array *ref_prefixes)
c29727d5 1209{
b0d66e15 1210 if (!transport->got_remote_refs) {
1af8ae1c
BW
1211 transport->remote_refs =
1212 transport->vtable->get_refs_list(transport, 0,
1213 ref_prefixes);
b0d66e15
TRC
1214 transport->got_remote_refs = 1;
1215 }
61b075bd 1216
c29727d5
DB
1217 return transport->remote_refs;
1218}
1219
e2842b39 1220int transport_fetch_refs(struct transport *transport, struct ref *refs)
c29727d5 1221{
425b1393 1222 int rc;
86386829 1223 int nr_heads = 0, nr_alloc = 0, nr_refs = 0;
37148311
DB
1224 struct ref **heads = NULL;
1225 struct ref *rm;
c29727d5
DB
1226
1227 for (rm = refs; rm; rm = rm->next) {
86386829 1228 nr_refs++;
c29727d5 1229 if (rm->peer_ref &&
f4e54d02 1230 !is_null_oid(&rm->old_oid) &&
e2842b39 1231 !oidcmp(&rm->peer_ref->old_oid, &rm->old_oid))
c29727d5 1232 continue;
7a2bff45 1233 ALLOC_GROW(heads, nr_heads + 1, nr_alloc);
425b1393 1234 heads[nr_heads++] = rm;
c29727d5
DB
1235 }
1236
86386829
NP
1237 if (!nr_heads) {
1238 /*
1239 * When deepening of a shallow repository is requested,
1240 * then local and remote refs are likely to still be equal.
1241 * Just feed them all to the fetch method in that case.
1242 * This condition shouldn't be met in a non-deepening fetch
09b7e220 1243 * (see builtin/fetch.c:quickfetch()).
86386829 1244 */
b32fa95f 1245 ALLOC_ARRAY(heads, nr_refs);
86386829
NP
1246 for (rm = refs; rm; rm = rm->next)
1247 heads[nr_heads++] = rm;
1248 }
1249
e2842b39 1250 rc = transport->vtable->fetch(transport, nr_heads, heads);
61b075bd 1251
c29727d5 1252 free(heads);
425b1393 1253 return rc;
c29727d5
DB
1254}
1255
1788c39c
SP
1256void transport_unlock_pack(struct transport *transport)
1257{
1258 if (transport->pack_lockfile) {
691f1a28 1259 unlink_or_warn(transport->pack_lockfile);
6a83d902 1260 FREE_AND_NULL(transport->pack_lockfile);
1788c39c
SP
1261 }
1262}
1263
b236752a
IL
1264int transport_connect(struct transport *transport, const char *name,
1265 const char *exec, int fd[2])
1266{
e967ca38
JT
1267 if (transport->vtable->connect)
1268 return transport->vtable->connect(transport, name, exec, fd);
b236752a 1269 else
68e39e41 1270 die(_("operation not supported by protocol"));
b236752a
IL
1271}
1272
9b288516
DB
1273int transport_disconnect(struct transport *transport)
1274{
1275 int ret = 0;
e967ca38
JT
1276 if (transport->vtable->disconnect)
1277 ret = transport->vtable->disconnect(transport);
9b288516
DB
1278 free(transport);
1279 return ret;
1280}
47abd85b
AE
1281
1282/*
a7793a74 1283 * Strip username (and password) from a URL and return
47abd85b
AE
1284 * it in a newly allocated string.
1285 */
1286char *transport_anonymize_url(const char *url)
1287{
21f9d0f6 1288 char *scheme_prefix, *anon_part;
47abd85b
AE
1289 size_t anon_len, prefix_len = 0;
1290
1291 anon_part = strchr(url, '@');
c59ab2e5 1292 if (url_is_local_not_ssh(url) || !anon_part)
47abd85b
AE
1293 goto literal_copy;
1294
1295 anon_len = strlen(++anon_part);
1296 scheme_prefix = strstr(url, "://");
1297 if (!scheme_prefix) {
1298 if (!strchr(anon_part, ':'))
1299 /* cannot be "me@there:/path/name" */
1300 goto literal_copy;
1301 } else {
1302 const char *cp;
1303 /* make sure scheme is reasonable */
1304 for (cp = url; cp < scheme_prefix; cp++) {
1305 switch (*cp) {
1306 /* RFC 1738 2.1 */
1307 case '+': case '.': case '-':
1308 break; /* ok */
1309 default:
1310 if (isalnum(*cp))
1311 break;
1312 /* it isn't */
1313 goto literal_copy;
1314 }
1315 }
1316 /* @ past the first slash does not count */
1317 cp = strchr(scheme_prefix + 3, '/');
1318 if (cp && cp < anon_part)
1319 goto literal_copy;
1320 prefix_len = scheme_prefix - url + 3;
1321 }
21f9d0f6
JK
1322 return xstrfmt("%.*s%.*s", (int)prefix_len, url,
1323 (int)anon_len, anon_part);
47abd85b
AE
1324literal_copy:
1325 return xstrdup(url);
1326}
36cfda15 1327
1e5f31d4
TB
1328static void fill_alternate_refs_command(struct child_process *cmd,
1329 const char *repo_path)
1330{
1331 cmd->git_cmd = 1;
1332 argv_array_pushf(&cmd->args, "--git-dir=%s", repo_path);
1333 argv_array_push(&cmd->args, "for-each-ref");
1334 argv_array_push(&cmd->args, "--format=%(objectname)");
1335 cmd->env = local_repo_env;
1336 cmd->out = -1;
1337}
1338
a10a1787
JK
1339static void read_alternate_refs(const char *path,
1340 alternate_ref_fn *cb,
1341 void *data)
1342{
1343 struct child_process cmd = CHILD_PROCESS_INIT;
1344 struct strbuf line = STRBUF_INIT;
1345 FILE *fh;
1346
1e5f31d4 1347 fill_alternate_refs_command(&cmd, path);
a10a1787
JK
1348
1349 if (start_command(&cmd))
1350 return;
1351
1352 fh = xfdopen(cmd.out, "r");
1353 while (strbuf_getline_lf(&line, fh) != EOF) {
1354 struct object_id oid;
1355
1356 if (get_oid_hex(line.buf, &oid) ||
bdf4276c 1357 line.buf[GIT_SHA1_HEXSZ]) {
68e39e41 1358 warning(_("invalid line while parsing alternate refs: %s"),
a10a1787
JK
1359 line.buf);
1360 break;
1361 }
1362
bdf4276c 1363 cb(&oid, data);
a10a1787
JK
1364 }
1365
1366 fclose(fh);
1367 finish_command(&cmd);
1368}
1369
114a6a88
JK
1370struct alternate_refs_data {
1371 alternate_ref_fn *fn;
1372 void *data;
1373};
1374
1375static int refs_from_alternate_cb(struct alternate_object_database *e,
1376 void *data)
36cfda15 1377{
5e8c968c
JK
1378 struct strbuf path = STRBUF_INIT;
1379 size_t base_len;
114a6a88 1380 struct alternate_refs_data *cb = data;
36cfda15 1381
5e8c968c
JK
1382 if (!strbuf_realpath(&path, e->path, 0))
1383 goto out;
1384 if (!strbuf_strip_suffix(&path, "/objects"))
def06971 1385 goto out;
5e8c968c
JK
1386 base_len = path.len;
1387
36cfda15 1388 /* Is this a git repository with refs? */
5e8c968c
JK
1389 strbuf_addstr(&path, "/refs");
1390 if (!is_directory(path.buf))
def06971 1391 goto out;
5e8c968c
JK
1392 strbuf_setlen(&path, base_len);
1393
a10a1787
JK
1394 read_alternate_refs(path.buf, cb->fn, cb->data);
1395
def06971 1396out:
5e8c968c 1397 strbuf_release(&path);
36cfda15
JH
1398 return 0;
1399}
114a6a88
JK
1400
1401void for_each_alternate_ref(alternate_ref_fn fn, void *data)
1402{
1403 struct alternate_refs_data cb;
1404 cb.fn = fn;
1405 cb.data = data;
1406 foreach_alt_odb(refs_from_alternate_cb, &cb);
1407}