4 #include "run-command.h"
6 #include "fetch-pack.h"
16 #include "submodule.h"
17 #include "string-list.h"
18 #include "sha1-array.h"
21 static void set_upstreams(struct transport *transport, struct ref *refs,
25 for (ref = refs; ref; ref = ref->next) {
26 const char *localname;
28 const char *remotename;
31 * Check suitability for tracking. Must be successful /
32 * already up-to-date ref create/modify (not delete).
34 if (ref->status != REF_STATUS_OK &&
35 ref->status != REF_STATUS_UPTODATE)
39 if (is_null_oid(&ref->new_oid))
42 /* Follow symbolic refs (mainly for HEAD). */
43 localname = ref->peer_ref->name;
44 remotename = ref->name;
45 tmp = resolve_ref_unsafe(localname, RESOLVE_REF_READING,
47 if (tmp && flag & REF_ISSYMREF &&
48 starts_with(tmp, "refs/heads/"))
51 /* Both source and destination must be local branches. */
52 if (!localname || !starts_with(localname, "refs/heads/"))
54 if (!remotename || !starts_with(remotename, "refs/heads/"))
58 install_branch_config(BRANCH_CONFIG_VERBOSE,
59 localname + 11, transport->remote->name,
62 printf(_("Would set upstream of '%s' to '%s' of '%s'\n"),
63 localname + 11, remotename + 11,
64 transport->remote->name);
68 struct bundle_transport_data {
70 struct bundle_header header;
73 static struct ref *get_refs_from_bundle(struct transport *transport, int for_push)
75 struct bundle_transport_data *data = transport->data;
76 struct ref *result = NULL;
84 data->fd = read_bundle_header(transport->url, &data->header);
86 die ("Could not read bundle '%s'.", transport->url);
87 for (i = 0; i < data->header.references.nr; i++) {
88 struct ref_list_entry *e = data->header.references.list + i;
89 struct ref *ref = alloc_ref(e->name);
90 oidcpy(&ref->old_oid, &e->oid);
97 static int fetch_refs_from_bundle(struct transport *transport,
98 int nr_heads, struct ref **to_fetch)
100 struct bundle_transport_data *data = transport->data;
101 return unbundle(&data->header, data->fd,
102 transport->progress ? BUNDLE_VERBOSE : 0);
105 static int close_bundle(struct transport *transport)
107 struct bundle_transport_data *data = transport->data;
114 struct git_transport_data {
115 struct git_transport_options options;
116 struct child_process *conn;
118 unsigned got_remote_heads : 1;
119 struct oid_array extra_have;
120 struct oid_array shallow;
123 static int set_git_option(struct git_transport_options *opts,
124 const char *name, const char *value)
126 if (!strcmp(name, TRANS_OPT_UPLOADPACK)) {
127 opts->uploadpack = value;
129 } else if (!strcmp(name, TRANS_OPT_RECEIVEPACK)) {
130 opts->receivepack = value;
132 } else if (!strcmp(name, TRANS_OPT_THIN)) {
133 opts->thin = !!value;
135 } else if (!strcmp(name, TRANS_OPT_FOLLOWTAGS)) {
136 opts->followtags = !!value;
138 } else if (!strcmp(name, TRANS_OPT_KEEP)) {
139 opts->keep = !!value;
141 } else if (!strcmp(name, TRANS_OPT_UPDATE_SHALLOW)) {
142 opts->update_shallow = !!value;
144 } else if (!strcmp(name, TRANS_OPT_DEPTH)) {
149 opts->depth = strtol(value, &end, 0);
151 die(_("transport: invalid depth option '%s'"), value);
154 } else if (!strcmp(name, TRANS_OPT_DEEPEN_SINCE)) {
155 opts->deepen_since = value;
157 } else if (!strcmp(name, TRANS_OPT_DEEPEN_NOT)) {
158 opts->deepen_not = (const struct string_list *)value;
160 } else if (!strcmp(name, TRANS_OPT_DEEPEN_RELATIVE)) {
161 opts->deepen_relative = !!value;
167 static int connect_setup(struct transport *transport, int for_push)
169 struct git_transport_data *data = transport->data;
170 int flags = transport->verbose > 0 ? CONNECT_VERBOSE : 0;
175 switch (transport->family) {
176 case TRANSPORT_FAMILY_ALL: break;
177 case TRANSPORT_FAMILY_IPV4: flags |= CONNECT_IPV4; break;
178 case TRANSPORT_FAMILY_IPV6: flags |= CONNECT_IPV6; break;
181 data->conn = git_connect(data->fd, transport->url,
182 for_push ? data->options.receivepack :
183 data->options.uploadpack,
189 static struct ref *get_refs_via_connect(struct transport *transport, int for_push)
191 struct git_transport_data *data = transport->data;
194 connect_setup(transport, for_push);
195 get_remote_heads(data->fd[0], NULL, 0, &refs,
196 for_push ? REF_NORMAL : 0,
199 data->got_remote_heads = 1;
204 static int fetch_refs_via_pack(struct transport *transport,
205 int nr_heads, struct ref **to_fetch)
208 struct git_transport_data *data = transport->data;
210 char *dest = xstrdup(transport->url);
211 struct fetch_pack_args args;
212 struct ref *refs_tmp = NULL;
214 memset(&args, 0, sizeof(args));
215 args.uploadpack = data->options.uploadpack;
216 args.keep_pack = data->options.keep;
218 args.use_thin_pack = data->options.thin;
219 args.include_tag = data->options.followtags;
220 args.verbose = (transport->verbose > 1);
221 args.quiet = (transport->verbose < 0);
222 args.no_progress = !transport->progress;
223 args.depth = data->options.depth;
224 args.deepen_since = data->options.deepen_since;
225 args.deepen_not = data->options.deepen_not;
226 args.deepen_relative = data->options.deepen_relative;
227 args.check_self_contained_and_connected =
228 data->options.check_self_contained_and_connected;
229 args.cloning = transport->cloning;
230 args.update_shallow = data->options.update_shallow;
232 if (!data->got_remote_heads) {
233 connect_setup(transport, 0);
234 get_remote_heads(data->fd[0], NULL, 0, &refs_tmp, 0,
235 NULL, &data->shallow);
236 data->got_remote_heads = 1;
239 refs = fetch_pack(&args, data->fd, data->conn,
240 refs_tmp ? refs_tmp : transport->remote_refs,
241 dest, to_fetch, nr_heads, &data->shallow,
242 &transport->pack_lockfile);
245 if (finish_connect(data->conn))
248 data->got_remote_heads = 0;
249 data->options.self_contained_and_connected =
250 args.self_contained_and_connected;
254 if (report_unmatched_refs(to_fetch, nr_heads))
263 static int push_had_errors(struct ref *ref)
265 for (; ref; ref = ref->next) {
266 switch (ref->status) {
267 case REF_STATUS_NONE:
268 case REF_STATUS_UPTODATE:
278 int transport_refs_pushed(struct ref *ref)
280 for (; ref; ref = ref->next) {
281 switch(ref->status) {
282 case REF_STATUS_NONE:
283 case REF_STATUS_UPTODATE:
292 void transport_update_tracking_ref(struct remote *remote, struct ref *ref, int verbose)
296 if (ref->status != REF_STATUS_OK && ref->status != REF_STATUS_UPTODATE)
302 if (!remote_find_tracking(remote, &rs)) {
304 fprintf(stderr, "updating local tracking ref '%s'\n", rs.dst);
306 delete_ref(NULL, rs.dst, NULL, 0);
308 update_ref("update by push", rs.dst, &ref->new_oid,
314 static void print_ref_status(char flag, const char *summary,
315 struct ref *to, struct ref *from, const char *msg,
316 int porcelain, int summary_width)
320 fprintf(stdout, "%c\t%s:%s\t", flag, from->name, to->name);
322 fprintf(stdout, "%c\t:%s\t", flag, to->name);
324 fprintf(stdout, "%s (%s)\n", summary, msg);
326 fprintf(stdout, "%s\n", summary);
328 fprintf(stderr, " %c %-*s ", flag, summary_width, summary);
330 fprintf(stderr, "%s -> %s", prettify_refname(from->name), prettify_refname(to->name));
332 fputs(prettify_refname(to->name), stderr);
342 static void print_ok_ref_status(struct ref *ref, int porcelain, int summary_width)
345 print_ref_status('-', "[deleted]", ref, NULL, NULL,
346 porcelain, summary_width);
347 else if (is_null_oid(&ref->old_oid))
348 print_ref_status('*',
349 (starts_with(ref->name, "refs/tags/") ? "[new tag]" :
351 ref, ref->peer_ref, NULL, porcelain, summary_width);
353 struct strbuf quickref = STRBUF_INIT;
357 strbuf_add_unique_abbrev(&quickref, ref->old_oid.hash,
359 if (ref->forced_update) {
360 strbuf_addstr(&quickref, "...");
362 msg = "forced update";
364 strbuf_addstr(&quickref, "..");
368 strbuf_add_unique_abbrev(&quickref, ref->new_oid.hash,
371 print_ref_status(type, quickref.buf, ref, ref->peer_ref, msg,
372 porcelain, summary_width);
373 strbuf_release(&quickref);
377 static int print_one_push_status(struct ref *ref, const char *dest, int count,
378 int porcelain, int summary_width)
381 char *url = transport_anonymize_url(dest);
382 fprintf(porcelain ? stdout : stderr, "To %s\n", url);
386 switch(ref->status) {
387 case REF_STATUS_NONE:
388 print_ref_status('X', "[no match]", ref, NULL, NULL,
389 porcelain, summary_width);
391 case REF_STATUS_REJECT_NODELETE:
392 print_ref_status('!', "[rejected]", ref, NULL,
393 "remote does not support deleting refs",
394 porcelain, summary_width);
396 case REF_STATUS_UPTODATE:
397 print_ref_status('=', "[up to date]", ref,
398 ref->peer_ref, NULL, porcelain, summary_width);
400 case REF_STATUS_REJECT_NONFASTFORWARD:
401 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
402 "non-fast-forward", porcelain, summary_width);
404 case REF_STATUS_REJECT_ALREADY_EXISTS:
405 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
406 "already exists", porcelain, summary_width);
408 case REF_STATUS_REJECT_FETCH_FIRST:
409 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
410 "fetch first", porcelain, summary_width);
412 case REF_STATUS_REJECT_NEEDS_FORCE:
413 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
414 "needs force", porcelain, summary_width);
416 case REF_STATUS_REJECT_STALE:
417 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
418 "stale info", porcelain, summary_width);
420 case REF_STATUS_REJECT_SHALLOW:
421 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
422 "new shallow roots not allowed",
423 porcelain, summary_width);
425 case REF_STATUS_REMOTE_REJECT:
426 print_ref_status('!', "[remote rejected]", ref,
427 ref->deletion ? NULL : ref->peer_ref,
428 ref->remote_status, porcelain, summary_width);
430 case REF_STATUS_EXPECTING_REPORT:
431 print_ref_status('!', "[remote failure]", ref,
432 ref->deletion ? NULL : ref->peer_ref,
433 "remote failed to report status",
434 porcelain, summary_width);
436 case REF_STATUS_ATOMIC_PUSH_FAILED:
437 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
438 "atomic push failed", porcelain, summary_width);
441 print_ok_ref_status(ref, porcelain, summary_width);
448 static int measure_abbrev(const struct object_id *oid, int sofar)
450 char hex[GIT_MAX_HEXSZ + 1];
451 int w = find_unique_abbrev_r(hex, oid->hash, DEFAULT_ABBREV);
453 return (w < sofar) ? sofar : w;
456 int transport_summary_width(const struct ref *refs)
460 for (; refs; refs = refs->next) {
461 maxw = measure_abbrev(&refs->old_oid, maxw);
462 maxw = measure_abbrev(&refs->new_oid, maxw);
465 maxw = FALLBACK_DEFAULT_ABBREV;
466 return (2 * maxw + 3);
469 void transport_print_push_status(const char *dest, struct ref *refs,
470 int verbose, int porcelain, unsigned int *reject_reasons)
475 int summary_width = transport_summary_width(refs);
477 head = resolve_refdup("HEAD", RESOLVE_REF_READING, NULL, NULL);
480 for (ref = refs; ref; ref = ref->next)
481 if (ref->status == REF_STATUS_UPTODATE)
482 n += print_one_push_status(ref, dest, n,
483 porcelain, summary_width);
486 for (ref = refs; ref; ref = ref->next)
487 if (ref->status == REF_STATUS_OK)
488 n += print_one_push_status(ref, dest, n,
489 porcelain, summary_width);
492 for (ref = refs; ref; ref = ref->next) {
493 if (ref->status != REF_STATUS_NONE &&
494 ref->status != REF_STATUS_UPTODATE &&
495 ref->status != REF_STATUS_OK)
496 n += print_one_push_status(ref, dest, n,
497 porcelain, summary_width);
498 if (ref->status == REF_STATUS_REJECT_NONFASTFORWARD) {
499 if (head != NULL && !strcmp(head, ref->name))
500 *reject_reasons |= REJECT_NON_FF_HEAD;
502 *reject_reasons |= REJECT_NON_FF_OTHER;
503 } else if (ref->status == REF_STATUS_REJECT_ALREADY_EXISTS) {
504 *reject_reasons |= REJECT_ALREADY_EXISTS;
505 } else if (ref->status == REF_STATUS_REJECT_FETCH_FIRST) {
506 *reject_reasons |= REJECT_FETCH_FIRST;
507 } else if (ref->status == REF_STATUS_REJECT_NEEDS_FORCE) {
508 *reject_reasons |= REJECT_NEEDS_FORCE;
514 void transport_verify_remote_names(int nr_heads, const char **heads)
518 for (i = 0; i < nr_heads; i++) {
519 const char *local = heads[i];
520 const char *remote = strrchr(heads[i], ':');
525 /* A matching refspec is okay. */
526 if (remote == local && remote[1] == '\0')
529 remote = remote ? (remote + 1) : local;
530 if (check_refname_format(remote,
531 REFNAME_ALLOW_ONELEVEL|REFNAME_REFSPEC_PATTERN))
532 die("remote part of refspec is not a valid name in %s",
537 static int git_transport_push(struct transport *transport, struct ref *remote_refs, int flags)
539 struct git_transport_data *data = transport->data;
540 struct send_pack_args args;
543 if (!data->got_remote_heads) {
544 struct ref *tmp_refs;
545 connect_setup(transport, 1);
547 get_remote_heads(data->fd[0], NULL, 0, &tmp_refs, REF_NORMAL,
548 NULL, &data->shallow);
549 data->got_remote_heads = 1;
552 memset(&args, 0, sizeof(args));
553 args.send_mirror = !!(flags & TRANSPORT_PUSH_MIRROR);
554 args.force_update = !!(flags & TRANSPORT_PUSH_FORCE);
555 args.use_thin_pack = data->options.thin;
556 args.verbose = (transport->verbose > 0);
557 args.quiet = (transport->verbose < 0);
558 args.progress = transport->progress;
559 args.dry_run = !!(flags & TRANSPORT_PUSH_DRY_RUN);
560 args.porcelain = !!(flags & TRANSPORT_PUSH_PORCELAIN);
561 args.atomic = !!(flags & TRANSPORT_PUSH_ATOMIC);
562 args.push_options = transport->push_options;
563 args.url = transport->url;
565 if (flags & TRANSPORT_PUSH_CERT_ALWAYS)
566 args.push_cert = SEND_PACK_PUSH_CERT_ALWAYS;
567 else if (flags & TRANSPORT_PUSH_CERT_IF_ASKED)
568 args.push_cert = SEND_PACK_PUSH_CERT_IF_ASKED;
570 args.push_cert = SEND_PACK_PUSH_CERT_NEVER;
572 ret = send_pack(&args, data->fd, data->conn, remote_refs,
577 ret |= finish_connect(data->conn);
579 data->got_remote_heads = 0;
584 static int connect_git(struct transport *transport, const char *name,
585 const char *executable, int fd[2])
587 struct git_transport_data *data = transport->data;
588 data->conn = git_connect(data->fd, transport->url,
595 static int disconnect_git(struct transport *transport)
597 struct git_transport_data *data = transport->data;
599 if (data->got_remote_heads)
600 packet_flush(data->fd[1]);
603 finish_connect(data->conn);
610 void transport_take_over(struct transport *transport,
611 struct child_process *child)
613 struct git_transport_data *data;
615 if (!transport->smart_options)
616 die("BUG: taking over transport requires non-NULL "
617 "smart_options field.");
619 data = xcalloc(1, sizeof(*data));
620 data->options = *transport->smart_options;
622 data->fd[0] = data->conn->out;
623 data->fd[1] = data->conn->in;
624 data->got_remote_heads = 0;
625 transport->data = data;
627 transport->set_option = NULL;
628 transport->get_refs_list = get_refs_via_connect;
629 transport->fetch = fetch_refs_via_pack;
630 transport->push_refs = git_transport_push;
631 transport->disconnect = disconnect_git;
632 transport->smart_options = &(data->options);
634 transport->cannot_reuse = 1;
637 static int is_file(const char *url)
642 return S_ISREG(buf.st_mode);
645 static int external_specification_len(const char *url)
647 return strchr(url, ':') - url;
650 static const struct string_list *protocol_whitelist(void)
652 static int enabled = -1;
653 static struct string_list allowed = STRING_LIST_INIT_DUP;
656 const char *v = getenv("GIT_ALLOW_PROTOCOL");
658 string_list_split(&allowed, v, ':', -1);
659 string_list_sort(&allowed);
666 return enabled ? &allowed : NULL;
669 enum protocol_allow_config {
670 PROTOCOL_ALLOW_NEVER = 0,
671 PROTOCOL_ALLOW_USER_ONLY,
672 PROTOCOL_ALLOW_ALWAYS
675 static enum protocol_allow_config parse_protocol_config(const char *key,
678 if (!strcasecmp(value, "always"))
679 return PROTOCOL_ALLOW_ALWAYS;
680 else if (!strcasecmp(value, "never"))
681 return PROTOCOL_ALLOW_NEVER;
682 else if (!strcasecmp(value, "user"))
683 return PROTOCOL_ALLOW_USER_ONLY;
685 die("unknown value for config '%s': %s", key, value);
688 static enum protocol_allow_config get_protocol_config(const char *type)
690 char *key = xstrfmt("protocol.%s.allow", type);
693 /* first check the per-protocol config */
694 if (!git_config_get_string(key, &value)) {
695 enum protocol_allow_config ret =
696 parse_protocol_config(key, value);
703 /* if defined, fallback to user-defined default for unknown protocols */
704 if (!git_config_get_string("protocol.allow", &value)) {
705 enum protocol_allow_config ret =
706 parse_protocol_config("protocol.allow", value);
711 /* fallback to built-in defaults */
713 if (!strcmp(type, "http") ||
714 !strcmp(type, "https") ||
715 !strcmp(type, "git") ||
716 !strcmp(type, "ssh") ||
717 !strcmp(type, "file"))
718 return PROTOCOL_ALLOW_ALWAYS;
720 /* known scary; err on the side of caution */
721 if (!strcmp(type, "ext"))
722 return PROTOCOL_ALLOW_NEVER;
724 /* unknown; by default let them be used only directly by the user */
725 return PROTOCOL_ALLOW_USER_ONLY;
728 int is_transport_allowed(const char *type, int from_user)
730 const struct string_list *whitelist = protocol_whitelist();
732 return string_list_has_string(whitelist, type);
734 switch (get_protocol_config(type)) {
735 case PROTOCOL_ALLOW_ALWAYS:
737 case PROTOCOL_ALLOW_NEVER:
739 case PROTOCOL_ALLOW_USER_ONLY:
741 from_user = git_env_bool("GIT_PROTOCOL_FROM_USER", 1);
745 die("BUG: invalid protocol_allow_config type");
748 void transport_check_allowed(const char *type)
750 if (!is_transport_allowed(type, -1))
751 die("transport '%s' not allowed", type);
754 struct transport *transport_get(struct remote *remote, const char *url)
757 struct transport *ret = xcalloc(1, sizeof(*ret));
759 ret->progress = isatty(2);
762 die("No remote provided to transport_get()");
764 ret->got_remote_refs = 0;
765 ret->remote = remote;
766 helper = remote->foreign_vcs;
768 if (!url && remote->url)
769 url = remote->url[0];
772 /* maybe it is a foreign URL? */
776 while (is_urlschemechar(p == url, *p))
778 if (starts_with(p, "::"))
779 helper = xstrndup(url, p - url);
783 transport_helper_init(ret, helper);
784 } else if (starts_with(url, "rsync:")) {
785 die("git-over-rsync is no longer supported");
786 } else if (url_is_local_not_ssh(url) && is_file(url) && is_bundle(url, 1)) {
787 struct bundle_transport_data *data = xcalloc(1, sizeof(*data));
788 transport_check_allowed("file");
790 ret->get_refs_list = get_refs_from_bundle;
791 ret->fetch = fetch_refs_from_bundle;
792 ret->disconnect = close_bundle;
793 ret->smart_options = NULL;
794 } else if (!is_url(url)
795 || starts_with(url, "file://")
796 || starts_with(url, "git://")
797 || starts_with(url, "ssh://")
798 || starts_with(url, "git+ssh://") /* deprecated - do not use */
799 || starts_with(url, "ssh+git://") /* deprecated - do not use */
802 * These are builtin smart transports; "allowed" transports
803 * will be checked individually in git_connect.
805 struct git_transport_data *data = xcalloc(1, sizeof(*data));
807 ret->set_option = NULL;
808 ret->get_refs_list = get_refs_via_connect;
809 ret->fetch = fetch_refs_via_pack;
810 ret->push_refs = git_transport_push;
811 ret->connect = connect_git;
812 ret->disconnect = disconnect_git;
813 ret->smart_options = &(data->options);
816 data->got_remote_heads = 0;
818 /* Unknown protocol in URL. Pass to external handler. */
819 int len = external_specification_len(url);
820 char *handler = xmemdupz(url, len);
821 transport_helper_init(ret, handler);
824 if (ret->smart_options) {
825 ret->smart_options->thin = 1;
826 ret->smart_options->uploadpack = "git-upload-pack";
827 if (remote->uploadpack)
828 ret->smart_options->uploadpack = remote->uploadpack;
829 ret->smart_options->receivepack = "git-receive-pack";
830 if (remote->receivepack)
831 ret->smart_options->receivepack = remote->receivepack;
837 int transport_set_option(struct transport *transport,
838 const char *name, const char *value)
840 int git_reports = 1, protocol_reports = 1;
842 if (transport->smart_options)
843 git_reports = set_git_option(transport->smart_options,
846 if (transport->set_option)
847 protocol_reports = transport->set_option(transport, name,
850 /* If either report is 0, report 0 (success). */
851 if (!git_reports || !protocol_reports)
853 /* If either reports -1 (invalid value), report -1. */
854 if ((git_reports == -1) || (protocol_reports == -1))
856 /* Otherwise if both report unknown, report unknown. */
860 void transport_set_verbosity(struct transport *transport, int verbosity,
864 transport->verbose = verbosity <= 3 ? verbosity : 3;
866 transport->verbose = -1;
869 * Rules used to determine whether to report progress (processing aborts
870 * when a rule is satisfied):
872 * . Report progress, if force_progress is 1 (ie. --progress).
873 * . Don't report progress, if force_progress is 0 (ie. --no-progress).
874 * . Don't report progress, if verbosity < 0 (ie. -q/--quiet ).
875 * . Report progress if isatty(2) is 1.
877 if (force_progress >= 0)
878 transport->progress = !!force_progress;
880 transport->progress = verbosity >= 0 && isatty(2);
883 static void die_with_unpushed_submodules(struct string_list *needs_pushing)
887 fprintf(stderr, _("The following submodule paths contain changes that can\n"
888 "not be found on any remote:\n"));
889 for (i = 0; i < needs_pushing->nr; i++)
890 fprintf(stderr, " %s\n", needs_pushing->items[i].string);
891 fprintf(stderr, _("\nPlease try\n\n"
892 " git push --recurse-submodules=on-demand\n\n"
893 "or cd to the path and use\n\n"
895 "to push them to a remote.\n\n"));
897 string_list_clear(needs_pushing, 0);
902 static int run_pre_push_hook(struct transport *transport,
903 struct ref *remote_refs)
907 struct child_process proc = CHILD_PROCESS_INIT;
911 if (!(argv[0] = find_hook("pre-push")))
914 argv[1] = transport->remote->name;
915 argv[2] = transport->url;
921 if (start_command(&proc)) {
922 finish_command(&proc);
926 sigchain_push(SIGPIPE, SIG_IGN);
928 strbuf_init(&buf, 256);
930 for (r = remote_refs; r; r = r->next) {
931 if (!r->peer_ref) continue;
932 if (r->status == REF_STATUS_REJECT_NONFASTFORWARD) continue;
933 if (r->status == REF_STATUS_REJECT_STALE) continue;
934 if (r->status == REF_STATUS_UPTODATE) continue;
937 strbuf_addf( &buf, "%s %s %s %s\n",
938 r->peer_ref->name, oid_to_hex(&r->new_oid),
939 r->name, oid_to_hex(&r->old_oid));
941 if (write_in_full(proc.in, buf.buf, buf.len) < 0) {
942 /* We do not mind if a hook does not read all refs. */
949 strbuf_release(&buf);
955 sigchain_pop(SIGPIPE);
957 x = finish_command(&proc);
964 int transport_push(struct transport *transport,
965 int refspec_nr, const char **refspec, int flags,
966 unsigned int *reject_reasons)
969 transport_verify_remote_names(refspec_nr, refspec);
971 if (transport->push_refs) {
972 struct ref *remote_refs;
973 struct ref *local_refs = get_local_heads();
974 int match_flags = MATCH_REFS_NONE;
975 int verbose = (transport->verbose > 0);
976 int quiet = (transport->verbose < 0);
977 int porcelain = flags & TRANSPORT_PUSH_PORCELAIN;
978 int pretend = flags & TRANSPORT_PUSH_DRY_RUN;
979 int push_ret, ret, err;
981 if (check_push_refs(local_refs, refspec_nr, refspec) < 0)
984 remote_refs = transport->get_refs_list(transport, 1);
986 if (flags & TRANSPORT_PUSH_ALL)
987 match_flags |= MATCH_REFS_ALL;
988 if (flags & TRANSPORT_PUSH_MIRROR)
989 match_flags |= MATCH_REFS_MIRROR;
990 if (flags & TRANSPORT_PUSH_PRUNE)
991 match_flags |= MATCH_REFS_PRUNE;
992 if (flags & TRANSPORT_PUSH_FOLLOW_TAGS)
993 match_flags |= MATCH_REFS_FOLLOW_TAGS;
995 if (match_push_refs(local_refs, &remote_refs,
996 refspec_nr, refspec, match_flags)) {
1000 if (transport->smart_options &&
1001 transport->smart_options->cas &&
1002 !is_empty_cas(transport->smart_options->cas))
1003 apply_push_cas(transport->smart_options->cas,
1004 transport->remote, remote_refs);
1006 set_ref_status_for_push(remote_refs,
1007 flags & TRANSPORT_PUSH_MIRROR,
1008 flags & TRANSPORT_PUSH_FORCE);
1010 if (!(flags & TRANSPORT_PUSH_NO_HOOK))
1011 if (run_pre_push_hook(transport, remote_refs))
1014 if ((flags & (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND |
1015 TRANSPORT_RECURSE_SUBMODULES_ONLY)) &&
1016 !is_bare_repository()) {
1017 struct ref *ref = remote_refs;
1018 struct oid_array commits = OID_ARRAY_INIT;
1020 for (; ref; ref = ref->next)
1021 if (!is_null_oid(&ref->new_oid))
1022 oid_array_append(&commits,
1025 if (!push_unpushed_submodules(&commits,
1027 refspec, refspec_nr,
1028 transport->push_options,
1030 oid_array_clear(&commits);
1031 die("Failed to push all needed submodules!");
1033 oid_array_clear(&commits);
1036 if (((flags & TRANSPORT_RECURSE_SUBMODULES_CHECK) ||
1037 ((flags & (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND |
1038 TRANSPORT_RECURSE_SUBMODULES_ONLY)) &&
1039 !pretend)) && !is_bare_repository()) {
1040 struct ref *ref = remote_refs;
1041 struct string_list needs_pushing = STRING_LIST_INIT_DUP;
1042 struct oid_array commits = OID_ARRAY_INIT;
1044 for (; ref; ref = ref->next)
1045 if (!is_null_oid(&ref->new_oid))
1046 oid_array_append(&commits,
1049 if (find_unpushed_submodules(&commits, transport->remote->name,
1051 oid_array_clear(&commits);
1052 die_with_unpushed_submodules(&needs_pushing);
1054 string_list_clear(&needs_pushing, 0);
1055 oid_array_clear(&commits);
1058 if (!(flags & TRANSPORT_RECURSE_SUBMODULES_ONLY))
1059 push_ret = transport->push_refs(transport, remote_refs, flags);
1062 err = push_had_errors(remote_refs);
1063 ret = push_ret | err;
1066 transport_print_push_status(transport->url, remote_refs,
1067 verbose | porcelain, porcelain,
1070 if (flags & TRANSPORT_PUSH_SET_UPSTREAM)
1071 set_upstreams(transport, remote_refs, pretend);
1073 if (!(flags & (TRANSPORT_PUSH_DRY_RUN |
1074 TRANSPORT_RECURSE_SUBMODULES_ONLY))) {
1076 for (ref = remote_refs; ref; ref = ref->next)
1077 transport_update_tracking_ref(transport->remote, ref, verbose);
1080 if (porcelain && !push_ret)
1082 else if (!quiet && !ret && !transport_refs_pushed(remote_refs))
1083 fprintf(stderr, "Everything up-to-date\n");
1090 const struct ref *transport_get_remote_refs(struct transport *transport)
1092 if (!transport->got_remote_refs) {
1093 transport->remote_refs = transport->get_refs_list(transport, 0);
1094 transport->got_remote_refs = 1;
1097 return transport->remote_refs;
1100 int transport_fetch_refs(struct transport *transport, struct ref *refs)
1103 int nr_heads = 0, nr_alloc = 0, nr_refs = 0;
1104 struct ref **heads = NULL;
1107 for (rm = refs; rm; rm = rm->next) {
1110 !is_null_oid(&rm->old_oid) &&
1111 !oidcmp(&rm->peer_ref->old_oid, &rm->old_oid))
1113 ALLOC_GROW(heads, nr_heads + 1, nr_alloc);
1114 heads[nr_heads++] = rm;
1119 * When deepening of a shallow repository is requested,
1120 * then local and remote refs are likely to still be equal.
1121 * Just feed them all to the fetch method in that case.
1122 * This condition shouldn't be met in a non-deepening fetch
1123 * (see builtin/fetch.c:quickfetch()).
1125 ALLOC_ARRAY(heads, nr_refs);
1126 for (rm = refs; rm; rm = rm->next)
1127 heads[nr_heads++] = rm;
1130 rc = transport->fetch(transport, nr_heads, heads);
1136 void transport_unlock_pack(struct transport *transport)
1138 if (transport->pack_lockfile) {
1139 unlink_or_warn(transport->pack_lockfile);
1140 FREE_AND_NULL(transport->pack_lockfile);
1144 int transport_connect(struct transport *transport, const char *name,
1145 const char *exec, int fd[2])
1147 if (transport->connect)
1148 return transport->connect(transport, name, exec, fd);
1150 die("Operation not supported by protocol");
1153 int transport_disconnect(struct transport *transport)
1156 if (transport->disconnect)
1157 ret = transport->disconnect(transport);
1163 * Strip username (and password) from a URL and return
1164 * it in a newly allocated string.
1166 char *transport_anonymize_url(const char *url)
1168 char *scheme_prefix, *anon_part;
1169 size_t anon_len, prefix_len = 0;
1171 anon_part = strchr(url, '@');
1172 if (url_is_local_not_ssh(url) || !anon_part)
1175 anon_len = strlen(++anon_part);
1176 scheme_prefix = strstr(url, "://");
1177 if (!scheme_prefix) {
1178 if (!strchr(anon_part, ':'))
1179 /* cannot be "me@there:/path/name" */
1183 /* make sure scheme is reasonable */
1184 for (cp = url; cp < scheme_prefix; cp++) {
1187 case '+': case '.': case '-':
1196 /* @ past the first slash does not count */
1197 cp = strchr(scheme_prefix + 3, '/');
1198 if (cp && cp < anon_part)
1200 prefix_len = scheme_prefix - url + 3;
1202 return xstrfmt("%.*s%.*s", (int)prefix_len, url,
1203 (int)anon_len, anon_part);
1205 return xstrdup(url);
1208 static void read_alternate_refs(const char *path,
1209 alternate_ref_fn *cb,
1212 struct child_process cmd = CHILD_PROCESS_INIT;
1213 struct strbuf line = STRBUF_INIT;
1217 argv_array_pushf(&cmd.args, "--git-dir=%s", path);
1218 argv_array_push(&cmd.args, "for-each-ref");
1219 argv_array_push(&cmd.args, "--format=%(objectname) %(refname)");
1220 cmd.env = local_repo_env;
1223 if (start_command(&cmd))
1226 fh = xfdopen(cmd.out, "r");
1227 while (strbuf_getline_lf(&line, fh) != EOF) {
1228 struct object_id oid;
1230 if (get_oid_hex(line.buf, &oid) ||
1231 line.buf[GIT_SHA1_HEXSZ] != ' ') {
1232 warning("invalid line while parsing alternate refs: %s",
1237 cb(line.buf + GIT_SHA1_HEXSZ + 1, &oid, data);
1241 finish_command(&cmd);
1244 struct alternate_refs_data {
1245 alternate_ref_fn *fn;
1249 static int refs_from_alternate_cb(struct alternate_object_database *e,
1252 struct strbuf path = STRBUF_INIT;
1254 struct alternate_refs_data *cb = data;
1256 if (!strbuf_realpath(&path, e->path, 0))
1258 if (!strbuf_strip_suffix(&path, "/objects"))
1260 base_len = path.len;
1262 /* Is this a git repository with refs? */
1263 strbuf_addstr(&path, "/refs");
1264 if (!is_directory(path.buf))
1266 strbuf_setlen(&path, base_len);
1268 read_alternate_refs(path.buf, cb->fn, cb->data);
1271 strbuf_release(&path);
1275 void for_each_alternate_ref(alternate_ref_fn fn, void *data)
1277 struct alternate_refs_data cb;
1280 foreach_alt_odb(refs_from_alternate_cb, &cb);