3 #include "run-command.h"
5 #include "fetch-pack.h"
15 #include "submodule.h"
16 #include "string-list.h"
17 #include "sha1-array.h"
20 static void set_upstreams(struct transport *transport, struct ref *refs,
24 for (ref = refs; ref; ref = ref->next) {
25 const char *localname;
27 const char *remotename;
28 unsigned char sha[20];
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 hashcpy(ref->old_oid.hash, e->sha1);
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 sha1_array extra_have;
120 struct sha1_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)
207 struct git_transport_data *data = transport->data;
209 char *dest = xstrdup(transport->url);
210 struct fetch_pack_args args;
211 struct ref *refs_tmp = NULL;
213 memset(&args, 0, sizeof(args));
214 args.uploadpack = data->options.uploadpack;
215 args.keep_pack = data->options.keep;
217 args.use_thin_pack = data->options.thin;
218 args.include_tag = data->options.followtags;
219 args.verbose = (transport->verbose > 1);
220 args.quiet = (transport->verbose < 0);
221 args.no_progress = !transport->progress;
222 args.depth = data->options.depth;
223 args.deepen_since = data->options.deepen_since;
224 args.deepen_not = data->options.deepen_not;
225 args.deepen_relative = data->options.deepen_relative;
226 args.check_self_contained_and_connected =
227 data->options.check_self_contained_and_connected;
228 args.cloning = transport->cloning;
229 args.update_shallow = data->options.update_shallow;
231 if (!data->got_remote_heads) {
232 connect_setup(transport, 0);
233 get_remote_heads(data->fd[0], NULL, 0, &refs_tmp, 0,
234 NULL, &data->shallow);
235 data->got_remote_heads = 1;
238 refs = fetch_pack(&args, data->fd, data->conn,
239 refs_tmp ? refs_tmp : transport->remote_refs,
240 dest, to_fetch, nr_heads, &data->shallow,
241 &transport->pack_lockfile);
244 if (finish_connect(data->conn)) {
249 data->got_remote_heads = 0;
250 data->options.self_contained_and_connected =
251 args.self_contained_and_connected;
256 return (refs ? 0 : -1);
259 static int push_had_errors(struct ref *ref)
261 for (; ref; ref = ref->next) {
262 switch (ref->status) {
263 case REF_STATUS_NONE:
264 case REF_STATUS_UPTODATE:
274 int transport_refs_pushed(struct ref *ref)
276 for (; ref; ref = ref->next) {
277 switch(ref->status) {
278 case REF_STATUS_NONE:
279 case REF_STATUS_UPTODATE:
288 void transport_update_tracking_ref(struct remote *remote, struct ref *ref, int verbose)
292 if (ref->status != REF_STATUS_OK && ref->status != REF_STATUS_UPTODATE)
298 if (!remote_find_tracking(remote, &rs)) {
300 fprintf(stderr, "updating local tracking ref '%s'\n", rs.dst);
302 delete_ref(rs.dst, NULL, 0);
304 update_ref("update by push", rs.dst,
305 ref->new_oid.hash, NULL, 0, 0);
310 static void print_ref_status(char flag, const char *summary,
311 struct ref *to, struct ref *from, const char *msg,
312 int porcelain, int summary_width)
316 fprintf(stdout, "%c\t%s:%s\t", flag, from->name, to->name);
318 fprintf(stdout, "%c\t:%s\t", flag, to->name);
320 fprintf(stdout, "%s (%s)\n", summary, msg);
322 fprintf(stdout, "%s\n", summary);
324 fprintf(stderr, " %c %-*s ", flag, summary_width, summary);
326 fprintf(stderr, "%s -> %s", prettify_refname(from->name), prettify_refname(to->name));
328 fputs(prettify_refname(to->name), stderr);
338 static void print_ok_ref_status(struct ref *ref, int porcelain, int summary_width)
341 print_ref_status('-', "[deleted]", ref, NULL, NULL,
342 porcelain, summary_width);
343 else if (is_null_oid(&ref->old_oid))
344 print_ref_status('*',
345 (starts_with(ref->name, "refs/tags/") ? "[new tag]" :
347 ref, ref->peer_ref, NULL, porcelain, summary_width);
349 struct strbuf quickref = STRBUF_INIT;
353 strbuf_add_unique_abbrev(&quickref, ref->old_oid.hash,
355 if (ref->forced_update) {
356 strbuf_addstr(&quickref, "...");
358 msg = "forced update";
360 strbuf_addstr(&quickref, "..");
364 strbuf_add_unique_abbrev(&quickref, ref->new_oid.hash,
367 print_ref_status(type, quickref.buf, ref, ref->peer_ref, msg,
368 porcelain, summary_width);
369 strbuf_release(&quickref);
373 static int print_one_push_status(struct ref *ref, const char *dest, int count,
374 int porcelain, int summary_width)
377 char *url = transport_anonymize_url(dest);
378 fprintf(porcelain ? stdout : stderr, "To %s\n", url);
382 switch(ref->status) {
383 case REF_STATUS_NONE:
384 print_ref_status('X', "[no match]", ref, NULL, NULL,
385 porcelain, summary_width);
387 case REF_STATUS_REJECT_NODELETE:
388 print_ref_status('!', "[rejected]", ref, NULL,
389 "remote does not support deleting refs",
390 porcelain, summary_width);
392 case REF_STATUS_UPTODATE:
393 print_ref_status('=', "[up to date]", ref,
394 ref->peer_ref, NULL, porcelain, summary_width);
396 case REF_STATUS_REJECT_NONFASTFORWARD:
397 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
398 "non-fast-forward", porcelain, summary_width);
400 case REF_STATUS_REJECT_ALREADY_EXISTS:
401 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
402 "already exists", porcelain, summary_width);
404 case REF_STATUS_REJECT_FETCH_FIRST:
405 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
406 "fetch first", porcelain, summary_width);
408 case REF_STATUS_REJECT_NEEDS_FORCE:
409 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
410 "needs force", porcelain, summary_width);
412 case REF_STATUS_REJECT_STALE:
413 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
414 "stale info", porcelain, summary_width);
416 case REF_STATUS_REJECT_SHALLOW:
417 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
418 "new shallow roots not allowed",
419 porcelain, summary_width);
421 case REF_STATUS_REMOTE_REJECT:
422 print_ref_status('!', "[remote rejected]", ref,
423 ref->deletion ? NULL : ref->peer_ref,
424 ref->remote_status, porcelain, summary_width);
426 case REF_STATUS_EXPECTING_REPORT:
427 print_ref_status('!', "[remote failure]", ref,
428 ref->deletion ? NULL : ref->peer_ref,
429 "remote failed to report status",
430 porcelain, summary_width);
432 case REF_STATUS_ATOMIC_PUSH_FAILED:
433 print_ref_status('!', "[rejected]", ref, ref->peer_ref,
434 "atomic push failed", porcelain, summary_width);
437 print_ok_ref_status(ref, porcelain, summary_width);
444 static int measure_abbrev(const struct object_id *oid, int sofar)
446 char hex[GIT_SHA1_HEXSZ + 1];
447 int w = find_unique_abbrev_r(hex, oid->hash, DEFAULT_ABBREV);
449 return (w < sofar) ? sofar : w;
452 int transport_summary_width(const struct ref *refs)
456 for (; refs; refs = refs->next) {
457 maxw = measure_abbrev(&refs->old_oid, maxw);
458 maxw = measure_abbrev(&refs->new_oid, maxw);
461 maxw = FALLBACK_DEFAULT_ABBREV;
462 return (2 * maxw + 3);
465 void transport_print_push_status(const char *dest, struct ref *refs,
466 int verbose, int porcelain, unsigned int *reject_reasons)
470 unsigned char head_sha1[20];
472 int summary_width = transport_summary_width(refs);
474 head = resolve_refdup("HEAD", RESOLVE_REF_READING, head_sha1, NULL);
477 for (ref = refs; ref; ref = ref->next)
478 if (ref->status == REF_STATUS_UPTODATE)
479 n += print_one_push_status(ref, dest, n,
480 porcelain, summary_width);
483 for (ref = refs; ref; ref = ref->next)
484 if (ref->status == REF_STATUS_OK)
485 n += print_one_push_status(ref, dest, n,
486 porcelain, summary_width);
489 for (ref = refs; ref; ref = ref->next) {
490 if (ref->status != REF_STATUS_NONE &&
491 ref->status != REF_STATUS_UPTODATE &&
492 ref->status != REF_STATUS_OK)
493 n += print_one_push_status(ref, dest, n,
494 porcelain, summary_width);
495 if (ref->status == REF_STATUS_REJECT_NONFASTFORWARD) {
496 if (head != NULL && !strcmp(head, ref->name))
497 *reject_reasons |= REJECT_NON_FF_HEAD;
499 *reject_reasons |= REJECT_NON_FF_OTHER;
500 } else if (ref->status == REF_STATUS_REJECT_ALREADY_EXISTS) {
501 *reject_reasons |= REJECT_ALREADY_EXISTS;
502 } else if (ref->status == REF_STATUS_REJECT_FETCH_FIRST) {
503 *reject_reasons |= REJECT_FETCH_FIRST;
504 } else if (ref->status == REF_STATUS_REJECT_NEEDS_FORCE) {
505 *reject_reasons |= REJECT_NEEDS_FORCE;
511 void transport_verify_remote_names(int nr_heads, const char **heads)
515 for (i = 0; i < nr_heads; i++) {
516 const char *local = heads[i];
517 const char *remote = strrchr(heads[i], ':');
522 /* A matching refspec is okay. */
523 if (remote == local && remote[1] == '\0')
526 remote = remote ? (remote + 1) : local;
527 if (check_refname_format(remote,
528 REFNAME_ALLOW_ONELEVEL|REFNAME_REFSPEC_PATTERN))
529 die("remote part of refspec is not a valid name in %s",
534 static int git_transport_push(struct transport *transport, struct ref *remote_refs, int flags)
536 struct git_transport_data *data = transport->data;
537 struct send_pack_args args;
540 if (!data->got_remote_heads) {
541 struct ref *tmp_refs;
542 connect_setup(transport, 1);
544 get_remote_heads(data->fd[0], NULL, 0, &tmp_refs, REF_NORMAL,
545 NULL, &data->shallow);
546 data->got_remote_heads = 1;
549 memset(&args, 0, sizeof(args));
550 args.send_mirror = !!(flags & TRANSPORT_PUSH_MIRROR);
551 args.force_update = !!(flags & TRANSPORT_PUSH_FORCE);
552 args.use_thin_pack = data->options.thin;
553 args.verbose = (transport->verbose > 0);
554 args.quiet = (transport->verbose < 0);
555 args.progress = transport->progress;
556 args.dry_run = !!(flags & TRANSPORT_PUSH_DRY_RUN);
557 args.porcelain = !!(flags & TRANSPORT_PUSH_PORCELAIN);
558 args.atomic = !!(flags & TRANSPORT_PUSH_ATOMIC);
559 args.push_options = transport->push_options;
560 args.url = transport->url;
562 if (flags & TRANSPORT_PUSH_CERT_ALWAYS)
563 args.push_cert = SEND_PACK_PUSH_CERT_ALWAYS;
564 else if (flags & TRANSPORT_PUSH_CERT_IF_ASKED)
565 args.push_cert = SEND_PACK_PUSH_CERT_IF_ASKED;
567 args.push_cert = SEND_PACK_PUSH_CERT_NEVER;
569 ret = send_pack(&args, data->fd, data->conn, remote_refs,
574 ret |= finish_connect(data->conn);
576 data->got_remote_heads = 0;
581 static int connect_git(struct transport *transport, const char *name,
582 const char *executable, int fd[2])
584 struct git_transport_data *data = transport->data;
585 data->conn = git_connect(data->fd, transport->url,
592 static int disconnect_git(struct transport *transport)
594 struct git_transport_data *data = transport->data;
596 if (data->got_remote_heads)
597 packet_flush(data->fd[1]);
600 finish_connect(data->conn);
607 void transport_take_over(struct transport *transport,
608 struct child_process *child)
610 struct git_transport_data *data;
612 if (!transport->smart_options)
613 die("BUG: taking over transport requires non-NULL "
614 "smart_options field.");
616 data = xcalloc(1, sizeof(*data));
617 data->options = *transport->smart_options;
619 data->fd[0] = data->conn->out;
620 data->fd[1] = data->conn->in;
621 data->got_remote_heads = 0;
622 transport->data = data;
624 transport->set_option = NULL;
625 transport->get_refs_list = get_refs_via_connect;
626 transport->fetch = fetch_refs_via_pack;
627 transport->push = NULL;
628 transport->push_refs = git_transport_push;
629 transport->disconnect = disconnect_git;
630 transport->smart_options = &(data->options);
632 transport->cannot_reuse = 1;
635 static int is_file(const char *url)
640 return S_ISREG(buf.st_mode);
643 static int external_specification_len(const char *url)
645 return strchr(url, ':') - url;
648 static const struct string_list *protocol_whitelist(void)
650 static int enabled = -1;
651 static struct string_list allowed = STRING_LIST_INIT_DUP;
654 const char *v = getenv("GIT_ALLOW_PROTOCOL");
656 string_list_split(&allowed, v, ':', -1);
657 string_list_sort(&allowed);
664 return enabled ? &allowed : NULL;
667 enum protocol_allow_config {
668 PROTOCOL_ALLOW_NEVER = 0,
669 PROTOCOL_ALLOW_USER_ONLY,
670 PROTOCOL_ALLOW_ALWAYS
673 static enum protocol_allow_config parse_protocol_config(const char *key,
676 if (!strcasecmp(value, "always"))
677 return PROTOCOL_ALLOW_ALWAYS;
678 else if (!strcasecmp(value, "never"))
679 return PROTOCOL_ALLOW_NEVER;
680 else if (!strcasecmp(value, "user"))
681 return PROTOCOL_ALLOW_USER_ONLY;
683 die("unknown value for config '%s': %s", key, value);
686 static enum protocol_allow_config get_protocol_config(const char *type)
688 char *key = xstrfmt("protocol.%s.allow", type);
691 /* first check the per-protocol config */
692 if (!git_config_get_string(key, &value)) {
693 enum protocol_allow_config ret =
694 parse_protocol_config(key, value);
701 /* if defined, fallback to user-defined default for unknown protocols */
702 if (!git_config_get_string("protocol.allow", &value)) {
703 enum protocol_allow_config ret =
704 parse_protocol_config("protocol.allow", value);
709 /* fallback to built-in defaults */
711 if (!strcmp(type, "http") ||
712 !strcmp(type, "https") ||
713 !strcmp(type, "git") ||
714 !strcmp(type, "ssh") ||
715 !strcmp(type, "file"))
716 return PROTOCOL_ALLOW_ALWAYS;
718 /* known scary; err on the side of caution */
719 if (!strcmp(type, "ext"))
720 return PROTOCOL_ALLOW_NEVER;
722 /* unknown; by default let them be used only directly by the user */
723 return PROTOCOL_ALLOW_USER_ONLY;
726 int is_transport_allowed(const char *type, int from_user)
728 const struct string_list *whitelist = protocol_whitelist();
730 return string_list_has_string(whitelist, type);
732 switch (get_protocol_config(type)) {
733 case PROTOCOL_ALLOW_ALWAYS:
735 case PROTOCOL_ALLOW_NEVER:
737 case PROTOCOL_ALLOW_USER_ONLY:
739 from_user = git_env_bool("GIT_PROTOCOL_FROM_USER", 1);
743 die("BUG: invalid protocol_allow_config type");
746 void transport_check_allowed(const char *type)
748 if (!is_transport_allowed(type, -1))
749 die("transport '%s' not allowed", type);
752 struct transport *transport_get(struct remote *remote, const char *url)
755 struct transport *ret = xcalloc(1, sizeof(*ret));
757 ret->progress = isatty(2);
760 die("No remote provided to transport_get()");
762 ret->got_remote_refs = 0;
763 ret->remote = remote;
764 helper = remote->foreign_vcs;
766 if (!url && remote->url)
767 url = remote->url[0];
770 /* maybe it is a foreign URL? */
774 while (is_urlschemechar(p == url, *p))
776 if (starts_with(p, "::"))
777 helper = xstrndup(url, p - url);
781 transport_helper_init(ret, helper);
782 } else if (starts_with(url, "rsync:")) {
783 die("git-over-rsync is no longer supported");
784 } else if (url_is_local_not_ssh(url) && is_file(url) && is_bundle(url, 1)) {
785 struct bundle_transport_data *data = xcalloc(1, sizeof(*data));
786 transport_check_allowed("file");
788 ret->get_refs_list = get_refs_from_bundle;
789 ret->fetch = fetch_refs_from_bundle;
790 ret->disconnect = close_bundle;
791 ret->smart_options = NULL;
792 } else if (!is_url(url)
793 || starts_with(url, "file://")
794 || starts_with(url, "git://")
795 || starts_with(url, "ssh://")
796 || starts_with(url, "git+ssh://") /* deprecated - do not use */
797 || starts_with(url, "ssh+git://") /* deprecated - do not use */
800 * These are builtin smart transports; "allowed" transports
801 * will be checked individually in git_connect.
803 struct git_transport_data *data = xcalloc(1, sizeof(*data));
805 ret->set_option = NULL;
806 ret->get_refs_list = get_refs_via_connect;
807 ret->fetch = fetch_refs_via_pack;
808 ret->push_refs = git_transport_push;
809 ret->connect = connect_git;
810 ret->disconnect = disconnect_git;
811 ret->smart_options = &(data->options);
814 data->got_remote_heads = 0;
816 /* Unknown protocol in URL. Pass to external handler. */
817 int len = external_specification_len(url);
818 char *handler = xmemdupz(url, len);
819 transport_helper_init(ret, handler);
822 if (ret->smart_options) {
823 ret->smart_options->thin = 1;
824 ret->smart_options->uploadpack = "git-upload-pack";
825 if (remote->uploadpack)
826 ret->smart_options->uploadpack = remote->uploadpack;
827 ret->smart_options->receivepack = "git-receive-pack";
828 if (remote->receivepack)
829 ret->smart_options->receivepack = remote->receivepack;
835 int transport_set_option(struct transport *transport,
836 const char *name, const char *value)
838 int git_reports = 1, protocol_reports = 1;
840 if (transport->smart_options)
841 git_reports = set_git_option(transport->smart_options,
844 if (transport->set_option)
845 protocol_reports = transport->set_option(transport, name,
848 /* If either report is 0, report 0 (success). */
849 if (!git_reports || !protocol_reports)
851 /* If either reports -1 (invalid value), report -1. */
852 if ((git_reports == -1) || (protocol_reports == -1))
854 /* Otherwise if both report unknown, report unknown. */
858 void transport_set_verbosity(struct transport *transport, int verbosity,
862 transport->verbose = verbosity <= 3 ? verbosity : 3;
864 transport->verbose = -1;
867 * Rules used to determine whether to report progress (processing aborts
868 * when a rule is satisfied):
870 * . Report progress, if force_progress is 1 (ie. --progress).
871 * . Don't report progress, if force_progress is 0 (ie. --no-progress).
872 * . Don't report progress, if verbosity < 0 (ie. -q/--quiet ).
873 * . Report progress if isatty(2) is 1.
875 if (force_progress >= 0)
876 transport->progress = !!force_progress;
878 transport->progress = verbosity >= 0 && isatty(2);
881 static void die_with_unpushed_submodules(struct string_list *needs_pushing)
885 fprintf(stderr, _("The following submodule paths contain changes that can\n"
886 "not be found on any remote:\n"));
887 for (i = 0; i < needs_pushing->nr; i++)
888 fprintf(stderr, " %s\n", needs_pushing->items[i].string);
889 fprintf(stderr, _("\nPlease try\n\n"
890 " git push --recurse-submodules=on-demand\n\n"
891 "or cd to the path and use\n\n"
893 "to push them to a remote.\n\n"));
895 string_list_clear(needs_pushing, 0);
900 static int run_pre_push_hook(struct transport *transport,
901 struct ref *remote_refs)
905 struct child_process proc = CHILD_PROCESS_INIT;
909 if (!(argv[0] = find_hook("pre-push")))
912 argv[1] = transport->remote->name;
913 argv[2] = transport->url;
919 if (start_command(&proc)) {
920 finish_command(&proc);
924 sigchain_push(SIGPIPE, SIG_IGN);
926 strbuf_init(&buf, 256);
928 for (r = remote_refs; r; r = r->next) {
929 if (!r->peer_ref) continue;
930 if (r->status == REF_STATUS_REJECT_NONFASTFORWARD) continue;
931 if (r->status == REF_STATUS_REJECT_STALE) continue;
932 if (r->status == REF_STATUS_UPTODATE) continue;
935 strbuf_addf( &buf, "%s %s %s %s\n",
936 r->peer_ref->name, oid_to_hex(&r->new_oid),
937 r->name, oid_to_hex(&r->old_oid));
939 if (write_in_full(proc.in, buf.buf, buf.len) < 0) {
940 /* We do not mind if a hook does not read all refs. */
947 strbuf_release(&buf);
953 sigchain_pop(SIGPIPE);
955 x = finish_command(&proc);
962 int transport_push(struct transport *transport,
963 int refspec_nr, const char **refspec, int flags,
964 unsigned int *reject_reasons)
967 transport_verify_remote_names(refspec_nr, refspec);
969 if (transport->push) {
970 /* Maybe FIXME. But no important transport uses this case. */
971 if (flags & TRANSPORT_PUSH_SET_UPSTREAM)
972 die("This transport does not support using --set-upstream");
974 return transport->push(transport, refspec_nr, refspec, flags);
975 } else if (transport->push_refs) {
976 struct ref *remote_refs;
977 struct ref *local_refs = get_local_heads();
978 int match_flags = MATCH_REFS_NONE;
979 int verbose = (transport->verbose > 0);
980 int quiet = (transport->verbose < 0);
981 int porcelain = flags & TRANSPORT_PUSH_PORCELAIN;
982 int pretend = flags & TRANSPORT_PUSH_DRY_RUN;
983 int push_ret, ret, err;
985 if (check_push_refs(local_refs, refspec_nr, refspec) < 0)
988 remote_refs = transport->get_refs_list(transport, 1);
990 if (flags & TRANSPORT_PUSH_ALL)
991 match_flags |= MATCH_REFS_ALL;
992 if (flags & TRANSPORT_PUSH_MIRROR)
993 match_flags |= MATCH_REFS_MIRROR;
994 if (flags & TRANSPORT_PUSH_PRUNE)
995 match_flags |= MATCH_REFS_PRUNE;
996 if (flags & TRANSPORT_PUSH_FOLLOW_TAGS)
997 match_flags |= MATCH_REFS_FOLLOW_TAGS;
999 if (match_push_refs(local_refs, &remote_refs,
1000 refspec_nr, refspec, match_flags)) {
1004 if (transport->smart_options &&
1005 transport->smart_options->cas &&
1006 !is_empty_cas(transport->smart_options->cas))
1007 apply_push_cas(transport->smart_options->cas,
1008 transport->remote, remote_refs);
1010 set_ref_status_for_push(remote_refs,
1011 flags & TRANSPORT_PUSH_MIRROR,
1012 flags & TRANSPORT_PUSH_FORCE);
1014 if (!(flags & TRANSPORT_PUSH_NO_HOOK))
1015 if (run_pre_push_hook(transport, remote_refs))
1018 if ((flags & TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND) && !is_bare_repository()) {
1019 struct ref *ref = remote_refs;
1020 struct sha1_array commits = SHA1_ARRAY_INIT;
1022 for (; ref; ref = ref->next)
1023 if (!is_null_oid(&ref->new_oid))
1024 sha1_array_append(&commits, ref->new_oid.hash);
1026 if (!push_unpushed_submodules(&commits,
1027 transport->remote->name,
1029 sha1_array_clear(&commits);
1030 die("Failed to push all needed submodules!");
1032 sha1_array_clear(&commits);
1035 if (((flags & TRANSPORT_RECURSE_SUBMODULES_CHECK) ||
1036 ((flags & TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND) &&
1037 !pretend)) && !is_bare_repository()) {
1038 struct ref *ref = remote_refs;
1039 struct string_list needs_pushing = STRING_LIST_INIT_DUP;
1040 struct sha1_array commits = SHA1_ARRAY_INIT;
1042 for (; ref; ref = ref->next)
1043 if (!is_null_oid(&ref->new_oid))
1044 sha1_array_append(&commits, ref->new_oid.hash);
1046 if (find_unpushed_submodules(&commits, transport->remote->name,
1048 sha1_array_clear(&commits);
1049 die_with_unpushed_submodules(&needs_pushing);
1051 string_list_clear(&needs_pushing, 0);
1052 sha1_array_clear(&commits);
1055 push_ret = transport->push_refs(transport, remote_refs, flags);
1056 err = push_had_errors(remote_refs);
1057 ret = push_ret | err;
1060 transport_print_push_status(transport->url, remote_refs,
1061 verbose | porcelain, porcelain,
1064 if (flags & TRANSPORT_PUSH_SET_UPSTREAM)
1065 set_upstreams(transport, remote_refs, pretend);
1067 if (!(flags & TRANSPORT_PUSH_DRY_RUN)) {
1069 for (ref = remote_refs; ref; ref = ref->next)
1070 transport_update_tracking_ref(transport->remote, ref, verbose);
1073 if (porcelain && !push_ret)
1075 else if (!quiet && !ret && !transport_refs_pushed(remote_refs))
1076 fprintf(stderr, "Everything up-to-date\n");
1083 const struct ref *transport_get_remote_refs(struct transport *transport)
1085 if (!transport->got_remote_refs) {
1086 transport->remote_refs = transport->get_refs_list(transport, 0);
1087 transport->got_remote_refs = 1;
1090 return transport->remote_refs;
1093 int transport_fetch_refs(struct transport *transport, struct ref *refs)
1096 int nr_heads = 0, nr_alloc = 0, nr_refs = 0;
1097 struct ref **heads = NULL;
1100 for (rm = refs; rm; rm = rm->next) {
1103 !is_null_oid(&rm->old_oid) &&
1104 !oidcmp(&rm->peer_ref->old_oid, &rm->old_oid))
1106 ALLOC_GROW(heads, nr_heads + 1, nr_alloc);
1107 heads[nr_heads++] = rm;
1112 * When deepening of a shallow repository is requested,
1113 * then local and remote refs are likely to still be equal.
1114 * Just feed them all to the fetch method in that case.
1115 * This condition shouldn't be met in a non-deepening fetch
1116 * (see builtin/fetch.c:quickfetch()).
1118 ALLOC_ARRAY(heads, nr_refs);
1119 for (rm = refs; rm; rm = rm->next)
1120 heads[nr_heads++] = rm;
1123 rc = transport->fetch(transport, nr_heads, heads);
1129 void transport_unlock_pack(struct transport *transport)
1131 if (transport->pack_lockfile) {
1132 unlink_or_warn(transport->pack_lockfile);
1133 free(transport->pack_lockfile);
1134 transport->pack_lockfile = NULL;
1138 int transport_connect(struct transport *transport, const char *name,
1139 const char *exec, int fd[2])
1141 if (transport->connect)
1142 return transport->connect(transport, name, exec, fd);
1144 die("Operation not supported by protocol");
1147 int transport_disconnect(struct transport *transport)
1150 if (transport->disconnect)
1151 ret = transport->disconnect(transport);
1157 * Strip username (and password) from a URL and return
1158 * it in a newly allocated string.
1160 char *transport_anonymize_url(const char *url)
1162 char *scheme_prefix, *anon_part;
1163 size_t anon_len, prefix_len = 0;
1165 anon_part = strchr(url, '@');
1166 if (url_is_local_not_ssh(url) || !anon_part)
1169 anon_len = strlen(++anon_part);
1170 scheme_prefix = strstr(url, "://");
1171 if (!scheme_prefix) {
1172 if (!strchr(anon_part, ':'))
1173 /* cannot be "me@there:/path/name" */
1177 /* make sure scheme is reasonable */
1178 for (cp = url; cp < scheme_prefix; cp++) {
1181 case '+': case '.': case '-':
1190 /* @ past the first slash does not count */
1191 cp = strchr(scheme_prefix + 3, '/');
1192 if (cp && cp < anon_part)
1194 prefix_len = scheme_prefix - url + 3;
1196 return xstrfmt("%.*s%.*s", (int)prefix_len, url,
1197 (int)anon_len, anon_part);
1199 return xstrdup(url);
1202 struct alternate_refs_data {
1203 alternate_ref_fn *fn;
1207 static int refs_from_alternate_cb(struct alternate_object_database *e,
1212 struct remote *remote;
1213 struct transport *transport;
1214 const struct ref *extra;
1215 struct alternate_refs_data *cb = data;
1217 other = xstrdup(real_path(e->path));
1218 len = strlen(other);
1220 while (other[len-1] == '/')
1221 other[--len] = '\0';
1222 if (len < 8 || memcmp(other + len - 8, "/objects", 8))
1224 /* Is this a git repository with refs? */
1225 memcpy(other + len - 8, "/refs", 6);
1226 if (!is_directory(other))
1228 other[len - 8] = '\0';
1229 remote = remote_get(other);
1230 transport = transport_get(remote, other);
1231 for (extra = transport_get_remote_refs(transport);
1233 extra = extra->next)
1234 cb->fn(extra, cb->data);
1235 transport_disconnect(transport);
1241 void for_each_alternate_ref(alternate_ref_fn fn, void *data)
1243 struct alternate_refs_data cb;
1246 foreach_alt_odb(refs_from_alternate_cb, &cb);