convert trivial cases to ALLOC_ARRAY
[git/git.git] / transport.c
CommitLineData
9b288516
DB
1#include "cache.h"
2#include "transport.h"
3#include "run-command.h"
c29727d5
DB
4#include "pkt-line.h"
5#include "fetch-pack.h"
47a59185
JH
6#include "remote.h"
7#include "connect.h"
40cb4fab 8#include "send-pack.h"
c29727d5 9#include "walker.h"
c7a8a162 10#include "bundle.h"
cd547b48
JS
11#include "dir.h"
12#include "refs.h"
e9fcd1e2 13#include "branch.h"
638794cd 14#include "url.h"
d2b17b32 15#include "submodule.h"
a762e51e 16#include "string-list.h"
13eb4626 17#include "sha1-array.h"
af65f68c 18#include "sigchain.h"
cd547b48
JS
19
20/* rsync support */
21
22/*
23 * We copy packed-refs and refs/ into a temporary file, then read the
24 * loose refs recursively (sorting whenever possible), and then inserting
25 * those packed refs that are not yet in the list (not validating, but
26 * assuming that the file is sorted).
27 *
28 * Appears refactoring this from refs.c is too cumbersome.
29 */
30
31static int str_cmp(const void *a, const void *b)
32{
33 const char *s1 = a;
34 const char *s2 = b;
35
36 return strcmp(s1, s2);
37}
38
39/* path->buf + name_offset is expected to point to "refs/" */
40
41static int read_loose_refs(struct strbuf *path, int name_offset,
42 struct ref **tail)
43{
44 DIR *dir = opendir(path->buf);
45 struct dirent *de;
46 struct {
47 char **entries;
48 int nr, alloc;
49 } list;
50 int i, pathlen;
51
52 if (!dir)
53 return -1;
54
55 memset (&list, 0, sizeof(list));
56
57 while ((de = readdir(dir))) {
8ca12c0d 58 if (is_dot_or_dotdot(de->d_name))
cd547b48
JS
59 continue;
60 ALLOC_GROW(list.entries, list.nr + 1, list.alloc);
61 list.entries[list.nr++] = xstrdup(de->d_name);
62 }
63 closedir(dir);
64
65 /* sort the list */
66
67 qsort(list.entries, list.nr, sizeof(char *), str_cmp);
68
69 pathlen = path->len;
70 strbuf_addch(path, '/');
71
72 for (i = 0; i < list.nr; i++, strbuf_setlen(path, pathlen + 1)) {
73 strbuf_addstr(path, list.entries[i]);
74 if (read_loose_refs(path, name_offset, tail)) {
75 int fd = open(path->buf, O_RDONLY);
76 char buffer[40];
77 struct ref *next;
78
79 if (fd < 0)
80 continue;
59c69c0c 81 next = alloc_ref(path->buf + name_offset);
cd547b48 82 if (read_in_full(fd, buffer, 40) != 40 ||
f4e54d02 83 get_oid_hex(buffer, &next->old_oid)) {
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JS
84 close(fd);
85 free(next);
86 continue;
87 }
88 close(fd);
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JS
89 (*tail)->next = next;
90 *tail = next;
91 }
92 }
93 strbuf_setlen(path, pathlen);
94
95 for (i = 0; i < list.nr; i++)
96 free(list.entries[i]);
97 free(list.entries);
98
99 return 0;
100}
101
102/* insert the packed refs for which no loose refs were found */
103
104static void insert_packed_refs(const char *packed_refs, struct ref **list)
105{
106 FILE *f = fopen(packed_refs, "r");
107 static char buffer[PATH_MAX];
108
109 if (!f)
110 return;
111
112 for (;;) {
04fe1184
JH
113 int cmp = 0; /* assigned before used */
114 int len;
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JS
115
116 if (!fgets(buffer, sizeof(buffer), f)) {
117 fclose(f);
118 return;
119 }
120
6f75d45b 121 if (!isxdigit(buffer[0]))
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JS
122 continue;
123 len = strlen(buffer);
872c930d 124 if (len && buffer[len - 1] == '\n')
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125 buffer[--len] = '\0';
126 if (len < 41)
127 continue;
128 while ((*list)->next &&
129 (cmp = strcmp(buffer + 41,
130 (*list)->next->name)) > 0)
131 list = &(*list)->next;
132 if (!(*list)->next || cmp < 0) {
59c69c0c 133 struct ref *next = alloc_ref(buffer + 41);
cd547b48 134 buffer[40] = '\0';
f4e54d02 135 if (get_oid_hex(buffer, &next->old_oid)) {
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136 warning ("invalid SHA-1: %s", buffer);
137 free(next);
138 continue;
139 }
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140 next->next = (*list)->next;
141 (*list)->next = next;
142 list = &(*list)->next;
143 }
144 }
145}
146
e9fcd1e2
IL
147static void set_upstreams(struct transport *transport, struct ref *refs,
148 int pretend)
149{
150 struct ref *ref;
151 for (ref = refs; ref; ref = ref->next) {
152 const char *localname;
153 const char *tmp;
154 const char *remotename;
155 unsigned char sha[20];
156 int flag = 0;
157 /*
158 * Check suitability for tracking. Must be successful /
159 * already up-to-date ref create/modify (not delete).
160 */
161 if (ref->status != REF_STATUS_OK &&
162 ref->status != REF_STATUS_UPTODATE)
163 continue;
164 if (!ref->peer_ref)
165 continue;
f4e54d02 166 if (is_null_oid(&ref->new_oid))
e9fcd1e2
IL
167 continue;
168
169 /* Follow symbolic refs (mainly for HEAD). */
170 localname = ref->peer_ref->name;
171 remotename = ref->name;
7695d118
RS
172 tmp = resolve_ref_unsafe(localname, RESOLVE_REF_READING,
173 sha, &flag);
e9fcd1e2 174 if (tmp && flag & REF_ISSYMREF &&
59556548 175 starts_with(tmp, "refs/heads/"))
e9fcd1e2
IL
176 localname = tmp;
177
178 /* Both source and destination must be local branches. */
59556548 179 if (!localname || !starts_with(localname, "refs/heads/"))
e9fcd1e2 180 continue;
59556548 181 if (!remotename || !starts_with(remotename, "refs/heads/"))
e9fcd1e2
IL
182 continue;
183
184 if (!pretend)
185 install_branch_config(BRANCH_CONFIG_VERBOSE,
186 localname + 11, transport->remote->name,
187 remotename);
188 else
189 printf("Would set upstream of '%s' to '%s' of '%s'\n",
190 localname + 11, remotename + 11,
191 transport->remote->name);
192 }
193}
194
7efaeba2
JS
195static const char *rsync_url(const char *url)
196{
cf4fff57
JK
197 if (!starts_with(url, "rsync://"))
198 skip_prefix(url, "rsync:", &url);
199 return url;
7efaeba2
JS
200}
201
64fcef2d 202static struct ref *get_refs_via_rsync(struct transport *transport, int for_push)
cd547b48
JS
203{
204 struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT;
c2e86add 205 struct ref dummy = {NULL}, *tail = &dummy;
d3180279 206 struct child_process rsync = CHILD_PROCESS_INIT;
cd547b48
JS
207 const char *args[5];
208 int temp_dir_len;
209
64fcef2d
DB
210 if (for_push)
211 return NULL;
212
cd547b48
JS
213 /* copy the refs to the temporary directory */
214
215 strbuf_addstr(&temp_dir, git_path("rsync-refs-XXXXXX"));
216 if (!mkdtemp(temp_dir.buf))
0721c314 217 die_errno ("Could not make temporary directory");
cd547b48
JS
218 temp_dir_len = temp_dir.len;
219
7efaeba2 220 strbuf_addstr(&buf, rsync_url(transport->url));
cd547b48
JS
221 strbuf_addstr(&buf, "/refs");
222
cd547b48
JS
223 rsync.argv = args;
224 rsync.stdout_to_stderr = 1;
225 args[0] = "rsync";
bd2c86ef 226 args[1] = (transport->verbose > 1) ? "-rv" : "-r";
cd547b48
JS
227 args[2] = buf.buf;
228 args[3] = temp_dir.buf;
229 args[4] = NULL;
230
231 if (run_command(&rsync))
232 die ("Could not run rsync to get refs");
233
234 strbuf_reset(&buf);
7efaeba2 235 strbuf_addstr(&buf, rsync_url(transport->url));
cd547b48
JS
236 strbuf_addstr(&buf, "/packed-refs");
237
238 args[2] = buf.buf;
239
240 if (run_command(&rsync))
241 die ("Could not run rsync to get refs");
242
243 /* read the copied refs */
244
245 strbuf_addstr(&temp_dir, "/refs");
246 read_loose_refs(&temp_dir, temp_dir_len + 1, &tail);
247 strbuf_setlen(&temp_dir, temp_dir_len);
248
249 tail = &dummy;
250 strbuf_addstr(&temp_dir, "/packed-refs");
251 insert_packed_refs(temp_dir.buf, &tail);
252 strbuf_setlen(&temp_dir, temp_dir_len);
253
254 if (remove_dir_recursively(&temp_dir, 0))
255 warning ("Error removing temporary directory %s.",
256 temp_dir.buf);
257
258 strbuf_release(&buf);
259 strbuf_release(&temp_dir);
260
261 return dummy.next;
262}
263
264static int fetch_objs_via_rsync(struct transport *transport,
37148311 265 int nr_objs, struct ref **to_fetch)
cd547b48 266{
d3180279 267 struct child_process rsync = CHILD_PROCESS_INIT;
cd547b48 268
cd547b48 269 rsync.stdout_to_stderr = 1;
e929f515
RS
270 argv_array_push(&rsync.args, "rsync");
271 argv_array_push(&rsync.args, (transport->verbose > 1) ? "-rv" : "-r");
272 argv_array_push(&rsync.args, "--ignore-existing");
273 argv_array_push(&rsync.args, "--exclude");
274 argv_array_push(&rsync.args, "info");
275 argv_array_pushf(&rsync.args, "%s/objects/", rsync_url(transport->url));
276 argv_array_push(&rsync.args, get_object_directory());
cd547b48
JS
277
278 /* NEEDSWORK: handle one level of alternates */
e929f515 279 return run_command(&rsync);
cd547b48
JS
280}
281
1700cb3b
MH
282static int write_one_ref(const char *name, const struct object_id *oid,
283 int flags, void *data)
cd547b48
JS
284{
285 struct strbuf *buf = data;
286 int len = buf->len;
cd547b48
JS
287
288 /* when called via for_each_ref(), flags is non-zero */
59556548
CC
289 if (flags && !starts_with(name, "refs/heads/") &&
290 !starts_with(name, "refs/tags/"))
cd547b48
JS
291 return 0;
292
293 strbuf_addstr(buf, name);
294 if (safe_create_leading_directories(buf->buf) ||
1f76a10b 295 write_file_gently(buf->buf, "%s", oid_to_hex(oid)))
91aacda8
NTND
296 return error("problems writing temporary file %s: %s",
297 buf->buf, strerror(errno));
cd547b48
JS
298 strbuf_setlen(buf, len);
299 return 0;
300}
301
302static int write_refs_to_temp_dir(struct strbuf *temp_dir,
f31ba7e1 303 int refspec_nr, const char **refspec)
cd547b48
JS
304{
305 int i;
306
307 for (i = 0; i < refspec_nr; i++) {
f31ba7e1 308 struct object_id oid;
cd547b48
JS
309 char *ref;
310
f31ba7e1 311 if (dwim_ref(refspec[i], strlen(refspec[i]), oid.hash, &ref) != 1)
cd547b48
JS
312 return error("Could not get ref %s", refspec[i]);
313
1700cb3b 314 if (write_one_ref(ref, &oid, 0, temp_dir)) {
cd547b48
JS
315 free(ref);
316 return -1;
317 }
318 free(ref);
319 }
320 return 0;
321}
322
323static int rsync_transport_push(struct transport *transport,
324 int refspec_nr, const char **refspec, int flags)
325{
326 struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT;
327 int result = 0, i;
d3180279 328 struct child_process rsync = CHILD_PROCESS_INIT;
ee020f35 329 const char *args[10];
cd547b48 330
94c89ba6
AW
331 if (flags & TRANSPORT_PUSH_MIRROR)
332 return error("rsync transport does not support mirror mode");
333
cd547b48
JS
334 /* first push the objects */
335
7efaeba2 336 strbuf_addstr(&buf, rsync_url(transport->url));
cd547b48
JS
337 strbuf_addch(&buf, '/');
338
cd547b48
JS
339 rsync.argv = args;
340 rsync.stdout_to_stderr = 1;
ee020f35
SP
341 i = 0;
342 args[i++] = "rsync";
343 args[i++] = "-a";
344 if (flags & TRANSPORT_PUSH_DRY_RUN)
345 args[i++] = "--dry-run";
bd2c86ef 346 if (transport->verbose > 1)
ee020f35
SP
347 args[i++] = "-v";
348 args[i++] = "--ignore-existing";
349 args[i++] = "--exclude";
350 args[i++] = "info";
351 args[i++] = get_object_directory();
352 args[i++] = buf.buf;
353 args[i++] = NULL;
cd547b48
JS
354
355 if (run_command(&rsync))
7efaeba2
JS
356 return error("Could not push objects to %s",
357 rsync_url(transport->url));
cd547b48
JS
358
359 /* copy the refs to the temporary directory; they could be packed. */
360
361 strbuf_addstr(&temp_dir, git_path("rsync-refs-XXXXXX"));
362 if (!mkdtemp(temp_dir.buf))
0721c314 363 die_errno ("Could not make temporary directory");
cd547b48
JS
364 strbuf_addch(&temp_dir, '/');
365
366 if (flags & TRANSPORT_PUSH_ALL) {
1700cb3b 367 if (for_each_ref(write_one_ref, &temp_dir))
cd547b48
JS
368 return -1;
369 } else if (write_refs_to_temp_dir(&temp_dir, refspec_nr, refspec))
370 return -1;
371
ee020f35
SP
372 i = 2;
373 if (flags & TRANSPORT_PUSH_DRY_RUN)
374 args[i++] = "--dry-run";
375 if (!(flags & TRANSPORT_PUSH_FORCE))
376 args[i++] = "--ignore-existing";
cd547b48 377 args[i++] = temp_dir.buf;
7efaeba2 378 args[i++] = rsync_url(transport->url);
cd547b48
JS
379 args[i++] = NULL;
380 if (run_command(&rsync))
7efaeba2
JS
381 result = error("Could not push to %s",
382 rsync_url(transport->url));
cd547b48
JS
383
384 if (remove_dir_recursively(&temp_dir, 0))
385 warning ("Could not remove temporary directory %s.",
386 temp_dir.buf);
387
388 strbuf_release(&buf);
389 strbuf_release(&temp_dir);
390
391 return result;
392}
c29727d5 393
c7a8a162
JS
394struct bundle_transport_data {
395 int fd;
396 struct bundle_header header;
397};
398
64fcef2d 399static struct ref *get_refs_from_bundle(struct transport *transport, int for_push)
c7a8a162
JS
400{
401 struct bundle_transport_data *data = transport->data;
402 struct ref *result = NULL;
403 int i;
404
64fcef2d
DB
405 if (for_push)
406 return NULL;
407
c7a8a162
JS
408 if (data->fd > 0)
409 close(data->fd);
410 data->fd = read_bundle_header(transport->url, &data->header);
411 if (data->fd < 0)
412 die ("Could not read bundle '%s'.", transport->url);
413 for (i = 0; i < data->header.references.nr; i++) {
414 struct ref_list_entry *e = data->header.references.list + i;
59c69c0c 415 struct ref *ref = alloc_ref(e->name);
f4e54d02 416 hashcpy(ref->old_oid.hash, e->sha1);
c7a8a162
JS
417 ref->next = result;
418 result = ref;
419 }
420 return result;
421}
422
1788c39c 423static int fetch_refs_from_bundle(struct transport *transport,
37148311 424 int nr_heads, struct ref **to_fetch)
c7a8a162
JS
425{
426 struct bundle_transport_data *data = transport->data;
be042aff
JH
427 return unbundle(&data->header, data->fd,
428 transport->progress ? BUNDLE_VERBOSE : 0);
c7a8a162
JS
429}
430
431static int close_bundle(struct transport *transport)
432{
433 struct bundle_transport_data *data = transport->data;
434 if (data->fd > 0)
435 close(data->fd);
f4e95765 436 free(data);
c7a8a162
JS
437 return 0;
438}
439
9b288516 440struct git_transport_data {
aa5af974 441 struct git_transport_options options;
ba227857
DB
442 struct child_process *conn;
443 int fd[2];
61b075bd 444 unsigned got_remote_heads : 1;
13eb4626 445 struct sha1_array extra_have;
beea4152 446 struct sha1_array shallow;
9b288516
DB
447};
448
aa5af974 449static int set_git_option(struct git_transport_options *opts,
9b288516
DB
450 const char *name, const char *value)
451{
c29727d5 452 if (!strcmp(name, TRANS_OPT_UPLOADPACK)) {
aa5af974 453 opts->uploadpack = value;
c29727d5
DB
454 return 0;
455 } else if (!strcmp(name, TRANS_OPT_RECEIVEPACK)) {
aa5af974 456 opts->receivepack = value;
9b288516
DB
457 return 0;
458 } else if (!strcmp(name, TRANS_OPT_THIN)) {
aa5af974 459 opts->thin = !!value;
9b288516 460 return 0;
41fa7d2e 461 } else if (!strcmp(name, TRANS_OPT_FOLLOWTAGS)) {
aa5af974 462 opts->followtags = !!value;
41fa7d2e 463 return 0;
c29727d5 464 } else if (!strcmp(name, TRANS_OPT_KEEP)) {
aa5af974 465 opts->keep = !!value;
c29727d5 466 return 0;
48d25cae
NTND
467 } else if (!strcmp(name, TRANS_OPT_UPDATE_SHALLOW)) {
468 opts->update_shallow = !!value;
469 return 0;
c29727d5
DB
470 } else if (!strcmp(name, TRANS_OPT_DEPTH)) {
471 if (!value)
aa5af974 472 opts->depth = 0;
e7622ce8
NTND
473 else {
474 char *end;
475 opts->depth = strtol(value, &end, 0);
476 if (*end)
477 die("transport: invalid depth option '%s'", value);
478 }
c29727d5 479 return 0;
9b288516
DB
480 }
481 return 1;
482}
483
64fcef2d 484static int connect_setup(struct transport *transport, int for_push, int verbose)
ba227857
DB
485{
486 struct git_transport_data *data = transport->data;
61b075bd
IL
487
488 if (data->conn)
489 return 0;
490
5a277f3f
JH
491 data->conn = git_connect(data->fd, transport->url,
492 for_push ? data->options.receivepack :
493 data->options.uploadpack,
64fcef2d 494 verbose ? CONNECT_VERBOSE : 0);
61b075bd 495
ba227857
DB
496 return 0;
497}
498
64fcef2d 499static struct ref *get_refs_via_connect(struct transport *transport, int for_push)
c29727d5
DB
500{
501 struct git_transport_data *data = transport->data;
502 struct ref *refs;
c29727d5 503
64fcef2d 504 connect_setup(transport, for_push, 0);
85edf4f5 505 get_remote_heads(data->fd[0], NULL, 0, &refs,
beea4152
NTND
506 for_push ? REF_NORMAL : 0,
507 &data->extra_have,
4820a33b 508 &data->shallow);
61b075bd 509 data->got_remote_heads = 1;
c29727d5
DB
510
511 return refs;
512}
513
1788c39c 514static int fetch_refs_via_pack(struct transport *transport,
37148311 515 int nr_heads, struct ref **to_fetch)
c29727d5
DB
516{
517 struct git_transport_data *data = transport->data;
626df76e 518 struct ref *refs;
c29727d5
DB
519 char *dest = xstrdup(transport->url);
520 struct fetch_pack_args args;
00183cbb 521 struct ref *refs_tmp = NULL;
c29727d5 522
fa740529 523 memset(&args, 0, sizeof(args));
aa5af974
IL
524 args.uploadpack = data->options.uploadpack;
525 args.keep_pack = data->options.keep;
fa740529 526 args.lock_pack = 1;
aa5af974
IL
527 args.use_thin_pack = data->options.thin;
528 args.include_tag = data->options.followtags;
bd2c86ef 529 args.verbose = (transport->verbose > 1);
fe8aa148 530 args.quiet = (transport->verbose < 0);
d01b3c02 531 args.no_progress = !transport->progress;
aa5af974 532 args.depth = data->options.depth;
c6807a40
NTND
533 args.check_self_contained_and_connected =
534 data->options.check_self_contained_and_connected;
beea4152 535 args.cloning = transport->cloning;
48d25cae 536 args.update_shallow = data->options.update_shallow;
c29727d5 537
61b075bd 538 if (!data->got_remote_heads) {
64fcef2d 539 connect_setup(transport, 0, 0);
b06dcd7d 540 get_remote_heads(data->fd[0], NULL, 0, &refs_tmp, 0,
4820a33b 541 NULL, &data->shallow);
61b075bd 542 data->got_remote_heads = 1;
ba227857
DB
543 }
544
00183cbb
DB
545 refs = fetch_pack(&args, data->fd, data->conn,
546 refs_tmp ? refs_tmp : transport->remote_refs,
beea4152 547 dest, to_fetch, nr_heads, &data->shallow,
f2db854d 548 &transport->pack_lockfile);
ba227857
DB
549 close(data->fd[0]);
550 close(data->fd[1]);
626df76e
JK
551 if (finish_connect(data->conn)) {
552 free_refs(refs);
ba227857 553 refs = NULL;
626df76e 554 }
ba227857 555 data->conn = NULL;
61b075bd 556 data->got_remote_heads = 0;
c6807a40
NTND
557 data->options.self_contained_and_connected =
558 args.self_contained_and_connected;
c29727d5 559
00183cbb 560 free_refs(refs_tmp);
626df76e 561 free_refs(refs);
c29727d5 562 free(dest);
c6bc4005 563 return (refs ? 0 : -1);
c29727d5
DB
564}
565
481c7a6d
JK
566static int push_had_errors(struct ref *ref)
567{
568 for (; ref; ref = ref->next) {
569 switch (ref->status) {
570 case REF_STATUS_NONE:
571 case REF_STATUS_UPTODATE:
572 case REF_STATUS_OK:
573 break;
574 default:
575 return 1;
576 }
577 }
578 return 0;
579}
580
f1863d0d 581int transport_refs_pushed(struct ref *ref)
64fcef2d
DB
582{
583 for (; ref; ref = ref->next) {
584 switch(ref->status) {
585 case REF_STATUS_NONE:
586 case REF_STATUS_UPTODATE:
587 break;
588 default:
589 return 1;
590 }
591 }
592 return 0;
593}
594
f1863d0d 595void transport_update_tracking_ref(struct remote *remote, struct ref *ref, int verbose)
64fcef2d
DB
596{
597 struct refspec rs;
598
599 if (ref->status != REF_STATUS_OK && ref->status != REF_STATUS_UPTODATE)
600 return;
601
602 rs.src = ref->name;
603 rs.dst = NULL;
604
605 if (!remote_find_tracking(remote, &rs)) {
606 if (verbose)
607 fprintf(stderr, "updating local tracking ref '%s'\n", rs.dst);
608 if (ref->deletion) {
609 delete_ref(rs.dst, NULL, 0);
610 } else
611 update_ref("update by push", rs.dst,
f4e54d02 612 ref->new_oid.hash, NULL, 0, 0);
64fcef2d
DB
613 free(rs.dst);
614 }
615}
616
1965ff74 617static void print_ref_status(char flag, const char *summary, struct ref *to, struct ref *from, const char *msg, int porcelain)
64fcef2d 618{
1965ff74
LA
619 if (porcelain) {
620 if (from)
621 fprintf(stdout, "%c\t%s:%s\t", flag, from->name, to->name);
622 else
623 fprintf(stdout, "%c\t:%s\t", flag, to->name);
624 if (msg)
625 fprintf(stdout, "%s (%s)\n", summary, msg);
626 else
627 fprintf(stdout, "%s\n", summary);
628 } else {
f1863d0d 629 fprintf(stderr, " %c %-*s ", flag, TRANSPORT_SUMMARY_WIDTH, summary);
1965ff74
LA
630 if (from)
631 fprintf(stderr, "%s -> %s", prettify_refname(from->name), prettify_refname(to->name));
632 else
633 fputs(prettify_refname(to->name), stderr);
634 if (msg) {
635 fputs(" (", stderr);
636 fputs(msg, stderr);
637 fputc(')', stderr);
638 }
639 fputc('\n', stderr);
64fcef2d 640 }
64fcef2d
DB
641}
642
643static const char *status_abbrev(unsigned char sha1[20])
644{
645 return find_unique_abbrev(sha1, DEFAULT_ABBREV);
646}
647
1965ff74 648static void print_ok_ref_status(struct ref *ref, int porcelain)
64fcef2d
DB
649{
650 if (ref->deletion)
1965ff74 651 print_ref_status('-', "[deleted]", ref, NULL, NULL, porcelain);
f4e54d02 652 else if (is_null_oid(&ref->old_oid))
64fcef2d 653 print_ref_status('*',
59556548 654 (starts_with(ref->name, "refs/tags/") ? "[new tag]" :
1965ff74
LA
655 "[new branch]"),
656 ref, ref->peer_ref, NULL, porcelain);
64fcef2d 657 else {
bd22d4ff 658 struct strbuf quickref = STRBUF_INIT;
64fcef2d
DB
659 char type;
660 const char *msg;
661
f4e54d02 662 strbuf_addstr(&quickref, status_abbrev(ref->old_oid.hash));
5ece083f 663 if (ref->forced_update) {
bd22d4ff 664 strbuf_addstr(&quickref, "...");
64fcef2d
DB
665 type = '+';
666 msg = "forced update";
667 } else {
bd22d4ff 668 strbuf_addstr(&quickref, "..");
64fcef2d
DB
669 type = ' ';
670 msg = NULL;
671 }
f4e54d02 672 strbuf_addstr(&quickref, status_abbrev(ref->new_oid.hash));
64fcef2d 673
bd22d4ff
JK
674 print_ref_status(type, quickref.buf, ref, ref->peer_ref, msg, porcelain);
675 strbuf_release(&quickref);
64fcef2d
DB
676 }
677}
678
1965ff74 679static int print_one_push_status(struct ref *ref, const char *dest, int count, int porcelain)
64fcef2d
DB
680{
681 if (!count)
60cfeb8e 682 fprintf(porcelain ? stdout : stderr, "To %s\n", dest);
64fcef2d
DB
683
684 switch(ref->status) {
685 case REF_STATUS_NONE:
1965ff74 686 print_ref_status('X', "[no match]", ref, NULL, NULL, porcelain);
64fcef2d
DB
687 break;
688 case REF_STATUS_REJECT_NODELETE:
689 print_ref_status('!', "[rejected]", ref, NULL,
1965ff74 690 "remote does not support deleting refs", porcelain);
64fcef2d
DB
691 break;
692 case REF_STATUS_UPTODATE:
693 print_ref_status('=', "[up to date]", ref,
1965ff74 694 ref->peer_ref, NULL, porcelain);
64fcef2d
DB
695 break;
696 case REF_STATUS_REJECT_NONFASTFORWARD:
697 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
a75d7b54 698 "non-fast-forward", porcelain);
64fcef2d 699 break;
dbfeddb1
CR
700 case REF_STATUS_REJECT_ALREADY_EXISTS:
701 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
702 "already exists", porcelain);
703 break;
75e5c0dc
JH
704 case REF_STATUS_REJECT_FETCH_FIRST:
705 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
706 "fetch first", porcelain);
707 break;
708 case REF_STATUS_REJECT_NEEDS_FORCE:
709 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
710 "needs force", porcelain);
711 break;
631b5ef2
JH
712 case REF_STATUS_REJECT_STALE:
713 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
714 "stale info", porcelain);
715 break;
4820a33b
NTND
716 case REF_STATUS_REJECT_SHALLOW:
717 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
718 "new shallow roots not allowed", porcelain);
719 break;
64fcef2d
DB
720 case REF_STATUS_REMOTE_REJECT:
721 print_ref_status('!', "[remote rejected]", ref,
1965ff74
LA
722 ref->deletion ? NULL : ref->peer_ref,
723 ref->remote_status, porcelain);
64fcef2d
DB
724 break;
725 case REF_STATUS_EXPECTING_REPORT:
726 print_ref_status('!', "[remote failure]", ref,
1965ff74
LA
727 ref->deletion ? NULL : ref->peer_ref,
728 "remote failed to report status", porcelain);
64fcef2d 729 break;
4ff17f10
RS
730 case REF_STATUS_ATOMIC_PUSH_FAILED:
731 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
732 "atomic push failed", porcelain);
733 break;
64fcef2d 734 case REF_STATUS_OK:
1965ff74 735 print_ok_ref_status(ref, porcelain);
64fcef2d
DB
736 break;
737 }
738
739 return 1;
740}
741
f1863d0d 742void transport_print_push_status(const char *dest, struct ref *refs,
10643d4e 743 int verbose, int porcelain, unsigned int *reject_reasons)
64fcef2d
DB
744{
745 struct ref *ref;
746 int n = 0;
f25950f3
CT
747 unsigned char head_sha1[20];
748 char *head;
749
7695d118 750 head = resolve_refdup("HEAD", RESOLVE_REF_READING, head_sha1, NULL);
64fcef2d
DB
751
752 if (verbose) {
753 for (ref = refs; ref; ref = ref->next)
754 if (ref->status == REF_STATUS_UPTODATE)
1965ff74 755 n += print_one_push_status(ref, dest, n, porcelain);
64fcef2d
DB
756 }
757
758 for (ref = refs; ref; ref = ref->next)
759 if (ref->status == REF_STATUS_OK)
1965ff74 760 n += print_one_push_status(ref, dest, n, porcelain);
64fcef2d 761
10643d4e 762 *reject_reasons = 0;
64fcef2d
DB
763 for (ref = refs; ref; ref = ref->next) {
764 if (ref->status != REF_STATUS_NONE &&
765 ref->status != REF_STATUS_UPTODATE &&
766 ref->status != REF_STATUS_OK)
1965ff74 767 n += print_one_push_status(ref, dest, n, porcelain);
10643d4e 768 if (ref->status == REF_STATUS_REJECT_NONFASTFORWARD) {
1d2c14df 769 if (head != NULL && !strcmp(head, ref->name))
10643d4e 770 *reject_reasons |= REJECT_NON_FF_HEAD;
f25950f3 771 else
10643d4e 772 *reject_reasons |= REJECT_NON_FF_OTHER;
dbfeddb1
CR
773 } else if (ref->status == REF_STATUS_REJECT_ALREADY_EXISTS) {
774 *reject_reasons |= REJECT_ALREADY_EXISTS;
75e5c0dc
JH
775 } else if (ref->status == REF_STATUS_REJECT_FETCH_FIRST) {
776 *reject_reasons |= REJECT_FETCH_FIRST;
777 } else if (ref->status == REF_STATUS_REJECT_NEEDS_FORCE) {
778 *reject_reasons |= REJECT_NEEDS_FORCE;
f25950f3 779 }
64fcef2d 780 }
dc76c7f7 781 free(head);
64fcef2d
DB
782}
783
f1863d0d 784void transport_verify_remote_names(int nr_heads, const char **heads)
64fcef2d
DB
785{
786 int i;
787
788 for (i = 0; i < nr_heads; i++) {
789 const char *local = heads[i];
790 const char *remote = strrchr(heads[i], ':');
791
792 if (*local == '+')
793 local++;
794
795 /* A matching refspec is okay. */
796 if (remote == local && remote[1] == '\0')
797 continue;
798
799 remote = remote ? (remote + 1) : local;
8d9c5010
MH
800 if (check_refname_format(remote,
801 REFNAME_ALLOW_ONELEVEL|REFNAME_REFSPEC_PATTERN))
802 die("remote part of refspec is not a valid name in %s",
803 heads[i]);
64fcef2d
DB
804 }
805}
806
807static int git_transport_push(struct transport *transport, struct ref *remote_refs, int flags)
f3fa1838 808{
9b288516 809 struct git_transport_data *data = transport->data;
40cb4fab 810 struct send_pack_args args;
64fcef2d
DB
811 int ret;
812
61b075bd 813 if (!data->got_remote_heads) {
64fcef2d
DB
814 struct ref *tmp_refs;
815 connect_setup(transport, 1, 0);
816
b016918b
NTND
817 get_remote_heads(data->fd[0], NULL, 0, &tmp_refs, REF_NORMAL,
818 NULL, &data->shallow);
61b075bd 819 data->got_remote_heads = 1;
64fcef2d 820 }
9b288516 821
de1a2fdd 822 memset(&args, 0, sizeof(args));
94c89ba6 823 args.send_mirror = !!(flags & TRANSPORT_PUSH_MIRROR);
40cb4fab 824 args.force_update = !!(flags & TRANSPORT_PUSH_FORCE);
aa5af974 825 args.use_thin_pack = data->options.thin;
8afd8dc0
TRC
826 args.verbose = (transport->verbose > 0);
827 args.quiet = (transport->verbose < 0);
d7c411b7 828 args.progress = transport->progress;
40cb4fab 829 args.dry_run = !!(flags & TRANSPORT_PUSH_DRY_RUN);
77555854 830 args.porcelain = !!(flags & TRANSPORT_PUSH_PORCELAIN);
d0e8e09c 831 args.atomic = !!(flags & TRANSPORT_PUSH_ATOMIC);
9be89160 832 args.url = transport->url;
40cb4fab 833
30261094
DB
834 if (flags & TRANSPORT_PUSH_CERT_ALWAYS)
835 args.push_cert = SEND_PACK_PUSH_CERT_ALWAYS;
836 else if (flags & TRANSPORT_PUSH_CERT_IF_ASKED)
837 args.push_cert = SEND_PACK_PUSH_CERT_IF_ASKED;
838 else
839 args.push_cert = SEND_PACK_PUSH_CERT_NEVER;
840
64fcef2d
DB
841 ret = send_pack(&args, data->fd, data->conn, remote_refs,
842 &data->extra_have);
843
844 close(data->fd[1]);
845 close(data->fd[0]);
846 ret |= finish_connect(data->conn);
847 data->conn = NULL;
61b075bd 848 data->got_remote_heads = 0;
64fcef2d
DB
849
850 return ret;
9b288516
DB
851}
852
b236752a
IL
853static int connect_git(struct transport *transport, const char *name,
854 const char *executable, int fd[2])
855{
856 struct git_transport_data *data = transport->data;
857 data->conn = git_connect(data->fd, transport->url,
858 executable, 0);
859 fd[0] = data->fd[0];
860 fd[1] = data->fd[1];
861 return 0;
862}
863
f4e95765
SP
864static int disconnect_git(struct transport *transport)
865{
ba227857
DB
866 struct git_transport_data *data = transport->data;
867 if (data->conn) {
61b075bd
IL
868 if (data->got_remote_heads)
869 packet_flush(data->fd[1]);
ba227857
DB
870 close(data->fd[0]);
871 close(data->fd[1]);
872 finish_connect(data->conn);
873 }
874
875 free(data);
f4e95765
SP
876 return 0;
877}
878
61b075bd
IL
879void transport_take_over(struct transport *transport,
880 struct child_process *child)
881{
882 struct git_transport_data *data;
883
884 if (!transport->smart_options)
885 die("Bug detected: Taking over transport requires non-NULL "
886 "smart_options field.");
887
888 data = xcalloc(1, sizeof(*data));
889 data->options = *transport->smart_options;
890 data->conn = child;
891 data->fd[0] = data->conn->out;
892 data->fd[1] = data->conn->in;
893 data->got_remote_heads = 0;
894 transport->data = data;
895
896 transport->set_option = NULL;
897 transport->get_refs_list = get_refs_via_connect;
898 transport->fetch = fetch_refs_via_pack;
899 transport->push = NULL;
900 transport->push_refs = git_transport_push;
901 transport->disconnect = disconnect_git;
902 transport->smart_options = &(data->options);
b26ed430
JH
903
904 transport->cannot_reuse = 1;
61b075bd
IL
905}
906
9b288516
DB
907static int is_file(const char *url)
908{
909 struct stat buf;
910 if (stat(url, &buf))
911 return 0;
912 return S_ISREG(buf.st_mode);
913}
914
25d5cc48
IL
915static int external_specification_len(const char *url)
916{
917 return strchr(url, ':') - url;
918}
919
5088d3b3 920static const struct string_list *protocol_whitelist(void)
a5adaced 921{
5088d3b3
JK
922 static int enabled = -1;
923 static struct string_list allowed = STRING_LIST_INIT_DUP;
a5adaced 924
5088d3b3
JK
925 if (enabled < 0) {
926 const char *v = getenv("GIT_ALLOW_PROTOCOL");
927 if (v) {
928 string_list_split(&allowed, v, ':', -1);
929 string_list_sort(&allowed);
930 enabled = 1;
931 } else {
932 enabled = 0;
933 }
934 }
935
936 return enabled ? &allowed : NULL;
937}
a5adaced 938
5088d3b3
JK
939int is_transport_allowed(const char *type)
940{
941 const struct string_list *allowed = protocol_whitelist();
942 return !allowed || string_list_has_string(allowed, type);
943}
944
945void transport_check_allowed(const char *type)
946{
947 if (!is_transport_allowed(type))
a5adaced 948 die("transport '%s' not allowed", type);
5088d3b3
JK
949}
950
951int transport_restrict_protocols(void)
952{
953 return !!protocol_whitelist();
a5adaced
JK
954}
955
e5f4e214 956struct transport *transport_get(struct remote *remote, const char *url)
9b288516 957{
4da50460 958 const char *helper;
8eb554ae
SP
959 struct transport *ret = xcalloc(1, sizeof(*ret));
960
d01b3c02
TRC
961 ret->progress = isatty(2);
962
c1d45cf7
DB
963 if (!remote)
964 die("No remote provided to transport_get()");
965
b0d66e15 966 ret->got_remote_refs = 0;
8eb554ae 967 ret->remote = remote;
4da50460 968 helper = remote->foreign_vcs;
fb0cc87e 969
cb21d8f0 970 if (!url && remote->url)
fb0cc87e 971 url = remote->url[0];
8eb554ae 972 ret->url = url;
8eb554ae 973
87422439
JS
974 /* maybe it is a foreign URL? */
975 if (url) {
976 const char *p = url;
977
638794cd 978 while (is_urlschemechar(p == url, *p))
87422439 979 p++;
59556548 980 if (starts_with(p, "::"))
4da50460 981 helper = xstrndup(url, p - url);
87422439
JS
982 }
983
4da50460
IL
984 if (helper) {
985 transport_helper_init(ret, helper);
59556548 986 } else if (starts_with(url, "rsync:")) {
a5adaced 987 transport_check_allowed("rsync");
cd547b48
JS
988 ret->get_refs_list = get_refs_via_rsync;
989 ret->fetch = fetch_objs_via_rsync;
990 ret->push = rsync_transport_push;
aa5af974 991 ret->smart_options = NULL;
c59ab2e5 992 } else if (url_is_local_not_ssh(url) && is_file(url) && is_bundle(url, 1)) {
c7a8a162 993 struct bundle_transport_data *data = xcalloc(1, sizeof(*data));
a5adaced 994 transport_check_allowed("file");
c7a8a162 995 ret->data = data;
824d5776
SP
996 ret->get_refs_list = get_refs_from_bundle;
997 ret->fetch = fetch_refs_from_bundle;
998 ret->disconnect = close_bundle;
aa5af974 999 ret->smart_options = NULL;
25d5cc48 1000 } else if (!is_url(url)
59556548
CC
1001 || starts_with(url, "file://")
1002 || starts_with(url, "git://")
1003 || starts_with(url, "ssh://")
1004 || starts_with(url, "git+ssh://")
1005 || starts_with(url, "ssh+git://")) {
a5adaced
JK
1006 /*
1007 * These are builtin smart transports; "allowed" transports
1008 * will be checked individually in git_connect.
1009 */
9b288516 1010 struct git_transport_data *data = xcalloc(1, sizeof(*data));
9b288516 1011 ret->data = data;
aa5af974 1012 ret->set_option = NULL;
824d5776
SP
1013 ret->get_refs_list = get_refs_via_connect;
1014 ret->fetch = fetch_refs_via_pack;
64fcef2d 1015 ret->push_refs = git_transport_push;
b236752a 1016 ret->connect = connect_git;
f4e95765 1017 ret->disconnect = disconnect_git;
aa5af974 1018 ret->smart_options = &(data->options);
824d5776 1019
ba227857 1020 data->conn = NULL;
61b075bd 1021 data->got_remote_heads = 0;
25d5cc48
IL
1022 } else {
1023 /* Unknown protocol in URL. Pass to external handler. */
1024 int len = external_specification_len(url);
6b33894f 1025 char *handler = xmemdupz(url, len);
25d5cc48 1026 transport_helper_init(ret, handler);
9b288516 1027 }
8eb554ae 1028
aa5af974
IL
1029 if (ret->smart_options) {
1030 ret->smart_options->thin = 1;
1031 ret->smart_options->uploadpack = "git-upload-pack";
1032 if (remote->uploadpack)
1033 ret->smart_options->uploadpack = remote->uploadpack;
1034 ret->smart_options->receivepack = "git-receive-pack";
1035 if (remote->receivepack)
1036 ret->smart_options->receivepack = remote->receivepack;
1037 }
1038
9b288516
DB
1039 return ret;
1040}
1041
1042int transport_set_option(struct transport *transport,
1043 const char *name, const char *value)
1044{
aa5af974
IL
1045 int git_reports = 1, protocol_reports = 1;
1046
1047 if (transport->smart_options)
1048 git_reports = set_git_option(transport->smart_options,
1049 name, value);
1050
824d5776 1051 if (transport->set_option)
aa5af974
IL
1052 protocol_reports = transport->set_option(transport, name,
1053 value);
1054
1055 /* If either report is 0, report 0 (success). */
1056 if (!git_reports || !protocol_reports)
1057 return 0;
1058 /* If either reports -1 (invalid value), report -1. */
1059 if ((git_reports == -1) || (protocol_reports == -1))
1060 return -1;
1061 /* Otherwise if both report unknown, report unknown. */
ab865e6e 1062 return 1;
9b288516
DB
1063}
1064
d01b3c02
TRC
1065void transport_set_verbosity(struct transport *transport, int verbosity,
1066 int force_progress)
bde873c5 1067{
bd2c86ef 1068 if (verbosity >= 1)
bde873c5
TRC
1069 transport->verbose = verbosity <= 3 ? verbosity : 3;
1070 if (verbosity < 0)
1071 transport->verbose = -1;
d01b3c02
TRC
1072
1073 /**
1074 * Rules used to determine whether to report progress (processing aborts
1075 * when a rule is satisfied):
1076 *
01fdc21f
CB
1077 * . Report progress, if force_progress is 1 (ie. --progress).
1078 * . Don't report progress, if force_progress is 0 (ie. --no-progress).
1079 * . Don't report progress, if verbosity < 0 (ie. -q/--quiet ).
1080 * . Report progress if isatty(2) is 1.
d01b3c02 1081 **/
01fdc21f
CB
1082 if (force_progress >= 0)
1083 transport->progress = !!force_progress;
1084 else
1085 transport->progress = verbosity >= 0 && isatty(2);
bde873c5
TRC
1086}
1087
a762e51e
HV
1088static void die_with_unpushed_submodules(struct string_list *needs_pushing)
1089{
1090 int i;
1091
1092 fprintf(stderr, "The following submodule paths contain changes that can\n"
1093 "not be found on any remote:\n");
1094 for (i = 0; i < needs_pushing->nr; i++)
1095 printf(" %s\n", needs_pushing->items[i].string);
eb21c732
HV
1096 fprintf(stderr, "\nPlease try\n\n"
1097 " git push --recurse-submodules=on-demand\n\n"
1098 "or cd to the path and use\n\n"
1099 " git push\n\n"
1100 "to push them to a remote.\n\n");
a762e51e
HV
1101
1102 string_list_clear(needs_pushing, 0);
1103
1104 die("Aborting.");
1105}
1106
ec55559f
AS
1107static int run_pre_push_hook(struct transport *transport,
1108 struct ref *remote_refs)
1109{
1110 int ret = 0, x;
1111 struct ref *r;
d3180279 1112 struct child_process proc = CHILD_PROCESS_INIT;
ec55559f
AS
1113 struct strbuf buf;
1114 const char *argv[4];
1115
1116 if (!(argv[0] = find_hook("pre-push")))
1117 return 0;
1118
1119 argv[1] = transport->remote->name;
1120 argv[2] = transport->url;
1121 argv[3] = NULL;
1122
ec55559f
AS
1123 proc.argv = argv;
1124 proc.in = -1;
1125
1126 if (start_command(&proc)) {
1127 finish_command(&proc);
1128 return -1;
1129 }
1130
af65f68c
CB
1131 sigchain_push(SIGPIPE, SIG_IGN);
1132
ec55559f
AS
1133 strbuf_init(&buf, 256);
1134
1135 for (r = remote_refs; r; r = r->next) {
1136 if (!r->peer_ref) continue;
1137 if (r->status == REF_STATUS_REJECT_NONFASTFORWARD) continue;
631b5ef2 1138 if (r->status == REF_STATUS_REJECT_STALE) continue;
ec55559f
AS
1139 if (r->status == REF_STATUS_UPTODATE) continue;
1140
1141 strbuf_reset(&buf);
1142 strbuf_addf( &buf, "%s %s %s %s\n",
f4e54d02 1143 r->peer_ref->name, oid_to_hex(&r->new_oid),
1144 r->name, oid_to_hex(&r->old_oid));
ec55559f 1145
af65f68c
CB
1146 if (write_in_full(proc.in, buf.buf, buf.len) < 0) {
1147 /* We do not mind if a hook does not read all refs. */
1148 if (errno != EPIPE)
1149 ret = -1;
ec55559f
AS
1150 break;
1151 }
1152 }
1153
1154 strbuf_release(&buf);
1155
1156 x = close(proc.in);
1157 if (!ret)
1158 ret = x;
1159
af65f68c
CB
1160 sigchain_pop(SIGPIPE);
1161
ec55559f
AS
1162 x = finish_command(&proc);
1163 if (!ret)
1164 ret = x;
1165
1166 return ret;
1167}
1168
9b288516 1169int transport_push(struct transport *transport,
07436e43 1170 int refspec_nr, const char **refspec, int flags,
10643d4e 1171 unsigned int *reject_reasons)
9b288516 1172{
10643d4e 1173 *reject_reasons = 0;
f1863d0d 1174 transport_verify_remote_names(refspec_nr, refspec);
64fcef2d 1175
61b075bd 1176 if (transport->push) {
e9fcd1e2
IL
1177 /* Maybe FIXME. But no important transport uses this case. */
1178 if (flags & TRANSPORT_PUSH_SET_UPSTREAM)
1179 die("This transport does not support using --set-upstream");
1180
64fcef2d 1181 return transport->push(transport, refspec_nr, refspec, flags);
61b075bd 1182 } else if (transport->push_refs) {
ba928c13 1183 struct ref *remote_refs;
64fcef2d
DB
1184 struct ref *local_refs = get_local_heads();
1185 int match_flags = MATCH_REFS_NONE;
8afd8dc0
TRC
1186 int verbose = (transport->verbose > 0);
1187 int quiet = (transport->verbose < 0);
1965ff74 1188 int porcelain = flags & TRANSPORT_PUSH_PORCELAIN;
e9fcd1e2 1189 int pretend = flags & TRANSPORT_PUSH_DRY_RUN;
77555854 1190 int push_ret, ret, err;
64fcef2d 1191
ba928c13
JK
1192 if (check_push_refs(local_refs, refspec_nr, refspec) < 0)
1193 return -1;
1194
1195 remote_refs = transport->get_refs_list(transport, 1);
1196
64fcef2d
DB
1197 if (flags & TRANSPORT_PUSH_ALL)
1198 match_flags |= MATCH_REFS_ALL;
1199 if (flags & TRANSPORT_PUSH_MIRROR)
1200 match_flags |= MATCH_REFS_MIRROR;
6ddba5e2
FC
1201 if (flags & TRANSPORT_PUSH_PRUNE)
1202 match_flags |= MATCH_REFS_PRUNE;
c2aba155
JH
1203 if (flags & TRANSPORT_PUSH_FOLLOW_TAGS)
1204 match_flags |= MATCH_REFS_FOLLOW_TAGS;
64fcef2d 1205
29753cdd
JH
1206 if (match_push_refs(local_refs, &remote_refs,
1207 refspec_nr, refspec, match_flags)) {
64fcef2d
DB
1208 return -1;
1209 }
1210
91048a95
JH
1211 if (transport->smart_options &&
1212 transport->smart_options->cas &&
1213 !is_empty_cas(transport->smart_options->cas))
1214 apply_push_cas(transport->smart_options->cas,
1215 transport->remote, remote_refs);
1216
20e8b465
TRC
1217 set_ref_status_for_push(remote_refs,
1218 flags & TRANSPORT_PUSH_MIRROR,
1219 flags & TRANSPORT_PUSH_FORCE);
1220
ec55559f
AS
1221 if (!(flags & TRANSPORT_PUSH_NO_HOOK))
1222 if (run_pre_push_hook(transport, remote_refs))
1223 return -1;
1224
eb21c732 1225 if ((flags & TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND) && !is_bare_repository()) {
d2b17b32
FG
1226 struct ref *ref = remote_refs;
1227 for (; ref; ref = ref->next)
f4e54d02 1228 if (!is_null_oid(&ref->new_oid) &&
1229 !push_unpushed_submodules(ref->new_oid.hash,
eb21c732
HV
1230 transport->remote->name))
1231 die ("Failed to push all needed submodules!");
1232 }
1233
1234 if ((flags & (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND |
1235 TRANSPORT_RECURSE_SUBMODULES_CHECK)) && !is_bare_repository()) {
d2b17b32 1236 struct ref *ref = remote_refs;
f93d7c6f 1237 struct string_list needs_pushing = STRING_LIST_INIT_DUP;
a762e51e 1238
d2b17b32 1239 for (; ref; ref = ref->next)
f4e54d02 1240 if (!is_null_oid(&ref->new_oid) &&
1241 find_unpushed_submodules(ref->new_oid.hash,
a762e51e
HV
1242 transport->remote->name, &needs_pushing))
1243 die_with_unpushed_submodules(&needs_pushing);
d2b17b32
FG
1244 }
1245
77555854 1246 push_ret = transport->push_refs(transport, remote_refs, flags);
42328267 1247 err = push_had_errors(remote_refs);
77555854 1248 ret = push_ret | err;
64fcef2d 1249
42328267 1250 if (!quiet || err)
f1863d0d 1251 transport_print_push_status(transport->url, remote_refs,
6ffd7812 1252 verbose | porcelain, porcelain,
10643d4e 1253 reject_reasons);
64fcef2d 1254
e9fcd1e2
IL
1255 if (flags & TRANSPORT_PUSH_SET_UPSTREAM)
1256 set_upstreams(transport, remote_refs, pretend);
1257
64fcef2d
DB
1258 if (!(flags & TRANSPORT_PUSH_DRY_RUN)) {
1259 struct ref *ref;
1260 for (ref = remote_refs; ref; ref = ref->next)
f1863d0d 1261 transport_update_tracking_ref(transport->remote, ref, verbose);
64fcef2d
DB
1262 }
1263
77555854
LA
1264 if (porcelain && !push_ret)
1265 puts("Done");
66bce02e 1266 else if (!quiet && !ret && !transport_refs_pushed(remote_refs))
64fcef2d 1267 fprintf(stderr, "Everything up-to-date\n");
77555854 1268
64fcef2d
DB
1269 return ret;
1270 }
1271 return 1;
9b288516
DB
1272}
1273
4577370e 1274const struct ref *transport_get_remote_refs(struct transport *transport)
c29727d5 1275{
b0d66e15 1276 if (!transport->got_remote_refs) {
64fcef2d 1277 transport->remote_refs = transport->get_refs_list(transport, 0);
b0d66e15
TRC
1278 transport->got_remote_refs = 1;
1279 }
61b075bd 1280
c29727d5
DB
1281 return transport->remote_refs;
1282}
1283
37148311 1284int transport_fetch_refs(struct transport *transport, struct ref *refs)
c29727d5 1285{
425b1393 1286 int rc;
86386829 1287 int nr_heads = 0, nr_alloc = 0, nr_refs = 0;
37148311
DB
1288 struct ref **heads = NULL;
1289 struct ref *rm;
c29727d5
DB
1290
1291 for (rm = refs; rm; rm = rm->next) {
86386829 1292 nr_refs++;
c29727d5 1293 if (rm->peer_ref &&
f4e54d02 1294 !is_null_oid(&rm->old_oid) &&
1295 !oidcmp(&rm->peer_ref->old_oid, &rm->old_oid))
c29727d5 1296 continue;
7a2bff45 1297 ALLOC_GROW(heads, nr_heads + 1, nr_alloc);
425b1393 1298 heads[nr_heads++] = rm;
c29727d5
DB
1299 }
1300
86386829
NP
1301 if (!nr_heads) {
1302 /*
1303 * When deepening of a shallow repository is requested,
1304 * then local and remote refs are likely to still be equal.
1305 * Just feed them all to the fetch method in that case.
1306 * This condition shouldn't be met in a non-deepening fetch
09b7e220 1307 * (see builtin/fetch.c:quickfetch()).
86386829 1308 */
b32fa95f 1309 ALLOC_ARRAY(heads, nr_refs);
86386829
NP
1310 for (rm = refs; rm; rm = rm->next)
1311 heads[nr_heads++] = rm;
1312 }
1313
824d5776 1314 rc = transport->fetch(transport, nr_heads, heads);
61b075bd 1315
c29727d5 1316 free(heads);
425b1393 1317 return rc;
c29727d5
DB
1318}
1319
1788c39c
SP
1320void transport_unlock_pack(struct transport *transport)
1321{
1322 if (transport->pack_lockfile) {
691f1a28 1323 unlink_or_warn(transport->pack_lockfile);
1788c39c
SP
1324 free(transport->pack_lockfile);
1325 transport->pack_lockfile = NULL;
1326 }
1327}
1328
b236752a
IL
1329int transport_connect(struct transport *transport, const char *name,
1330 const char *exec, int fd[2])
1331{
1332 if (transport->connect)
1333 return transport->connect(transport, name, exec, fd);
1334 else
1335 die("Operation not supported by protocol");
1336}
1337
9b288516
DB
1338int transport_disconnect(struct transport *transport)
1339{
1340 int ret = 0;
824d5776
SP
1341 if (transport->disconnect)
1342 ret = transport->disconnect(transport);
9b288516
DB
1343 free(transport);
1344 return ret;
1345}
47abd85b
AE
1346
1347/*
a7793a74 1348 * Strip username (and password) from a URL and return
47abd85b
AE
1349 * it in a newly allocated string.
1350 */
1351char *transport_anonymize_url(const char *url)
1352{
1353 char *anon_url, *scheme_prefix, *anon_part;
1354 size_t anon_len, prefix_len = 0;
1355
1356 anon_part = strchr(url, '@');
c59ab2e5 1357 if (url_is_local_not_ssh(url) || !anon_part)
47abd85b
AE
1358 goto literal_copy;
1359
1360 anon_len = strlen(++anon_part);
1361 scheme_prefix = strstr(url, "://");
1362 if (!scheme_prefix) {
1363 if (!strchr(anon_part, ':'))
1364 /* cannot be "me@there:/path/name" */
1365 goto literal_copy;
1366 } else {
1367 const char *cp;
1368 /* make sure scheme is reasonable */
1369 for (cp = url; cp < scheme_prefix; cp++) {
1370 switch (*cp) {
1371 /* RFC 1738 2.1 */
1372 case '+': case '.': case '-':
1373 break; /* ok */
1374 default:
1375 if (isalnum(*cp))
1376 break;
1377 /* it isn't */
1378 goto literal_copy;
1379 }
1380 }
1381 /* @ past the first slash does not count */
1382 cp = strchr(scheme_prefix + 3, '/');
1383 if (cp && cp < anon_part)
1384 goto literal_copy;
1385 prefix_len = scheme_prefix - url + 3;
1386 }
1387 anon_url = xcalloc(1, 1 + prefix_len + anon_len);
1388 memcpy(anon_url, url, prefix_len);
1389 memcpy(anon_url + prefix_len, anon_part, anon_len);
1390 return anon_url;
1391literal_copy:
1392 return xstrdup(url);
1393}
36cfda15 1394
114a6a88
JK
1395struct alternate_refs_data {
1396 alternate_ref_fn *fn;
1397 void *data;
1398};
1399
1400static int refs_from_alternate_cb(struct alternate_object_database *e,
1401 void *data)
36cfda15
JH
1402{
1403 char *other;
1404 size_t len;
1405 struct remote *remote;
1406 struct transport *transport;
1407 const struct ref *extra;
114a6a88 1408 struct alternate_refs_data *cb = data;
36cfda15
JH
1409
1410 e->name[-1] = '\0';
91b3c7ce 1411 other = xstrdup(real_path(e->base));
36cfda15
JH
1412 e->name[-1] = '/';
1413 len = strlen(other);
1414
1415 while (other[len-1] == '/')
1416 other[--len] = '\0';
1417 if (len < 8 || memcmp(other + len - 8, "/objects", 8))
def06971 1418 goto out;
36cfda15
JH
1419 /* Is this a git repository with refs? */
1420 memcpy(other + len - 8, "/refs", 6);
1421 if (!is_directory(other))
def06971 1422 goto out;
36cfda15
JH
1423 other[len - 8] = '\0';
1424 remote = remote_get(other);
1425 transport = transport_get(remote, other);
1426 for (extra = transport_get_remote_refs(transport);
1427 extra;
1428 extra = extra->next)
114a6a88 1429 cb->fn(extra, cb->data);
36cfda15 1430 transport_disconnect(transport);
def06971 1431out:
36cfda15
JH
1432 free(other);
1433 return 0;
1434}
114a6a88
JK
1435
1436void for_each_alternate_ref(alternate_ref_fn fn, void *data)
1437{
1438 struct alternate_refs_data cb;
1439 cb.fn = fn;
1440 cb.data = data;
1441 foreach_alt_odb(refs_from_alternate_cb, &cb);
1442}