static void add_alternate_refs(void)
{
struct sha1_array sa = SHA1_ARRAY_INIT;
for_each_alternate_ref(collect_one_alternate_ref, &sa);
sha1_array_for_each_unique(&sa, add_one_alternate_sha1, NULL);
sha1_array_clear(&sa);
}
int main(int argc, char **argv)
{
struct sha1_array array = SHA1_ARRAY_INIT;
struct strbuf line = STRBUF_INIT;
while (strbuf_getline_lf(&line, stdin) != EOF) {
const char *arg;
unsigned char sha1[20];
if (skip_prefix(line.buf, "append ", &arg)) {
if (get_sha1_hex(arg, sha1))
die("not a hexadecimal SHA1: %s", arg);
sha1_array_append(&array, sha1);
} else if (skip_prefix(line.buf, "lookup ", &arg)) {
if (get_sha1_hex(arg, sha1))
die("not a hexadecimal SHA1: %s", arg);
printf("%d\n", sha1_array_lookup(&array, sha1));
} else if (!strcmp(line.buf, "clear"))
sha1_array_clear(&array);
else if (!strcmp(line.buf, "for_each_unique"))
sha1_array_for_each_unique(&array, print_sha1, NULL);
else
die("unknown command: %s", line.buf);
}
return 0;
}
static void calculate_changed_submodule_paths(void)
{
struct rev_info rev;
struct commit *commit;
struct argv_array argv = ARGV_ARRAY_INIT;
/* No need to check if there are no submodules configured */
if (!config_name_for_path.nr)
return;
init_revisions(&rev, NULL);
argv_array_push(&argv, "--"); /* argv[0] program name */
sha1_array_for_each_unique(&ref_tips_after_fetch,
add_sha1_to_argv, &argv);
argv_array_push(&argv, "--not");
sha1_array_for_each_unique(&ref_tips_before_fetch,
add_sha1_to_argv, &argv);
setup_revisions(argv.argc, argv.argv, &rev, NULL);
if (prepare_revision_walk(&rev))
die("revision walk setup failed");
/*
* Collect all submodules (whether checked out or not) for which new
* commits have been recorded upstream in "changed_submodule_paths".
*/
while ((commit = get_revision(&rev))) {
struct commit_list *parent = commit->parents;
while (parent) {
struct diff_options diff_opts;
diff_setup(&diff_opts);
DIFF_OPT_SET(&diff_opts, RECURSIVE);
diff_opts.output_format |= DIFF_FORMAT_CALLBACK;
diff_opts.format_callback = submodule_collect_changed_cb;
if (diff_setup_done(&diff_opts) < 0)
die("diff_setup_done failed");
diff_tree_sha1(parent->item->object.sha1, commit->object.sha1, "", &diff_opts);
diffcore_std(&diff_opts);
diff_flush(&diff_opts);
parent = parent->next;
}
}
argv_array_clear(&argv);
sha1_array_clear(&ref_tips_before_fetch);
sha1_array_clear(&ref_tips_after_fetch);
initialized_fetch_ref_tips = 0;
}
static void write_head_info(void)
{
struct sha1_array sa = SHA1_ARRAY_INIT;
for_each_alternate_ref(collect_one_alternate_ref, &sa);
sha1_array_for_each_unique(&sa, show_one_alternate_sha1, NULL);
sha1_array_clear(&sa);
for_each_ref(show_ref_cb, NULL);
if (!sent_capabilities)
show_ref("capabilities^{}", null_sha1);
/* EOF */
packet_flush(1);
}
static int update_shallow_ref(struct command *cmd, struct shallow_info *si)
{
static struct lock_file shallow_lock;
struct sha1_array extra = SHA1_ARRAY_INIT;
const char *alt_file;
uint32_t mask = 1 << (cmd->index % 32);
int i;
trace_printf_key(&trace_shallow,
"shallow: update_shallow_ref %s\n", cmd->ref_name);
for (i = 0; i < si->shallow->nr; i++)
if (si->used_shallow[i] &&
(si->used_shallow[i][cmd->index / 32] & mask) &&
!delayed_reachability_test(si, i))
sha1_array_append(&extra, si->shallow->sha1[i]);
setup_alternate_shallow(&shallow_lock, &alt_file, &extra);
if (check_shallow_connected(command_singleton_iterator,
0, cmd, alt_file)) {
rollback_lock_file(&shallow_lock);
sha1_array_clear(&extra);
return -1;
}
commit_lock_file(&shallow_lock);
/*
* Make sure setup_alternate_shallow() for the next ref does
* not lose these new roots..
*/
for (i = 0; i < extra.nr; i++)
register_shallow(extra.sha1[i]);
si->shallow_ref[cmd->index] = 0;
sha1_array_clear(&extra);
return 0;
}
int parse_opt_object_name(const struct option *opt, const char *arg, int unset)
{
unsigned char sha1[20];
if (unset) {
sha1_array_clear(opt->value);
return 0;
}
if (!arg)
return -1;
if (get_sha1(arg, sha1))
return error(_("malformed object name '%s'"), arg);
sha1_array_append(opt->value, sha1);
return 0;
}
static int builtin_diff_combined(struct rev_info *revs,
int argc, const char **argv,
struct object_array_entry *ent,
int ents)
{
struct sha1_array parents = SHA1_ARRAY_INIT;
int i;
if (argc > 1)
usage(builtin_diff_usage);
if (!revs->dense_combined_merges && !revs->combine_merges)
revs->dense_combined_merges = revs->combine_merges = 1;
for (i = 1; i < ents; i++)
sha1_array_append(&parents, ent[i].item->sha1);
diff_tree_combined(ent[0].item->sha1, &parents,
revs->dense_combined_merges, revs);
sha1_array_clear(&parents);
return 0;
}
static void update_shallow(struct fetch_pack_args *args,
struct ref **sought, int nr_sought,
struct shallow_info *si)
{
struct sha1_array ref = SHA1_ARRAY_INIT;
int *status;
int i;
if (args->depth > 0 && alternate_shallow_file) {
if (*alternate_shallow_file == '\0') { /* --unshallow */
unlink_or_warn(git_path("shallow"));
rollback_lock_file(&shallow_lock);
} else
commit_lock_file(&shallow_lock);
return;
}
if (!si->shallow || !si->shallow->nr)
return;
if (args->cloning) {
/*
* remote is shallow, but this is a clone, there are
* no objects in repo to worry about. Accept any
* shallow points that exist in the pack (iow in repo
* after get_pack() and reprepare_packed_git())
*/
struct sha1_array extra = SHA1_ARRAY_INIT;
unsigned char (*sha1)[20] = si->shallow->sha1;
for (i = 0; i < si->shallow->nr; i++)
if (has_sha1_file(sha1[i]))
sha1_array_append(&extra, sha1[i]);
if (extra.nr) {
setup_alternate_shallow(&shallow_lock,
&alternate_shallow_file,
&extra);
commit_lock_file(&shallow_lock);
}
sha1_array_clear(&extra);
return;
}
if (!si->nr_ours && !si->nr_theirs)
return;
remove_nonexistent_theirs_shallow(si);
if (!si->nr_ours && !si->nr_theirs)
return;
for (i = 0; i < nr_sought; i++)
sha1_array_append(&ref, sought[i]->old_sha1);
si->ref = &ref;
if (args->update_shallow) {
/*
* remote is also shallow, .git/shallow may be updated
* so all refs can be accepted. Make sure we only add
* shallow roots that are actually reachable from new
* refs.
*/
struct sha1_array extra = SHA1_ARRAY_INIT;
unsigned char (*sha1)[20] = si->shallow->sha1;
assign_shallow_commits_to_refs(si, NULL, NULL);
if (!si->nr_ours && !si->nr_theirs) {
sha1_array_clear(&ref);
return;
}
for (i = 0; i < si->nr_ours; i++)
sha1_array_append(&extra, sha1[si->ours[i]]);
for (i = 0; i < si->nr_theirs; i++)
sha1_array_append(&extra, sha1[si->theirs[i]]);
setup_alternate_shallow(&shallow_lock,
&alternate_shallow_file,
&extra);
commit_lock_file(&shallow_lock);
sha1_array_clear(&extra);
sha1_array_clear(&ref);
return;
}
/*
* remote is also shallow, check what ref is safe to update
* without updating .git/shallow
*/
status = xcalloc(nr_sought, sizeof(*status));
assign_shallow_commits_to_refs(si, NULL, status);
if (si->nr_ours || si->nr_theirs) {
for (i = 0; i < nr_sought; i++)
if (status[i])
sought[i]->status = REF_STATUS_REJECT_SHALLOW;
}
free(status);
sha1_array_clear(&ref);
}
int transport_push(struct transport *transport,
int refspec_nr, const char **refspec, int flags,
unsigned int *reject_reasons)
{
*reject_reasons = 0;
transport_verify_remote_names(refspec_nr, refspec);
if (transport->push) {
/* Maybe FIXME. But no important transport uses this case. */
if (flags & TRANSPORT_PUSH_SET_UPSTREAM)
die("This transport does not support using --set-upstream");
return transport->push(transport, refspec_nr, refspec, flags);
} else if (transport->push_refs) {
struct ref *remote_refs;
struct ref *local_refs = get_local_heads();
int match_flags = MATCH_REFS_NONE;
int verbose = (transport->verbose > 0);
int quiet = (transport->verbose < 0);
int porcelain = flags & TRANSPORT_PUSH_PORCELAIN;
int pretend = flags & TRANSPORT_PUSH_DRY_RUN;
int push_ret, ret, err;
if (check_push_refs(local_refs, refspec_nr, refspec) < 0)
return -1;
remote_refs = transport->get_refs_list(transport, 1);
if (flags & TRANSPORT_PUSH_ALL)
match_flags |= MATCH_REFS_ALL;
if (flags & TRANSPORT_PUSH_MIRROR)
match_flags |= MATCH_REFS_MIRROR;
if (flags & TRANSPORT_PUSH_PRUNE)
match_flags |= MATCH_REFS_PRUNE;
if (flags & TRANSPORT_PUSH_FOLLOW_TAGS)
match_flags |= MATCH_REFS_FOLLOW_TAGS;
if (match_push_refs(local_refs, &remote_refs,
refspec_nr, refspec, match_flags)) {
return -1;
}
if (transport->smart_options &&
transport->smart_options->cas &&
!is_empty_cas(transport->smart_options->cas))
apply_push_cas(transport->smart_options->cas,
transport->remote, remote_refs);
set_ref_status_for_push(remote_refs,
flags & TRANSPORT_PUSH_MIRROR,
flags & TRANSPORT_PUSH_FORCE);
if (!(flags & TRANSPORT_PUSH_NO_HOOK))
if (run_pre_push_hook(transport, remote_refs))
return -1;
if ((flags & (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND |
TRANSPORT_RECURSE_SUBMODULES_ONLY)) &&
!is_bare_repository()) {
struct ref *ref = remote_refs;
struct sha1_array commits = SHA1_ARRAY_INIT;
for (; ref; ref = ref->next)
if (!is_null_oid(&ref->new_oid))
sha1_array_append(&commits, ref->new_oid.hash);
if (!push_unpushed_submodules(&commits,
transport->remote->name,
pretend)) {
sha1_array_clear(&commits);
die("Failed to push all needed submodules!");
}
sha1_array_clear(&commits);
}
if (((flags & TRANSPORT_RECURSE_SUBMODULES_CHECK) ||
((flags & (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND |
TRANSPORT_RECURSE_SUBMODULES_ONLY)) &&
!pretend)) && !is_bare_repository()) {
struct ref *ref = remote_refs;
struct string_list needs_pushing = STRING_LIST_INIT_DUP;
struct sha1_array commits = SHA1_ARRAY_INIT;
for (; ref; ref = ref->next)
if (!is_null_oid(&ref->new_oid))
sha1_array_append(&commits, ref->new_oid.hash);
if (find_unpushed_submodules(&commits, transport->remote->name,
&needs_pushing)) {
sha1_array_clear(&commits);
die_with_unpushed_submodules(&needs_pushing);
}
string_list_clear(&needs_pushing, 0);
sha1_array_clear(&commits);
}
if (!(flags & TRANSPORT_RECURSE_SUBMODULES_ONLY))
push_ret = transport->push_refs(transport, remote_refs, flags);
else
push_ret = 0;
err = push_had_errors(remote_refs);
ret = push_ret | err;
if (!quiet || err)
transport_print_push_status(transport->url, remote_refs,
verbose | porcelain, porcelain,
reject_reasons);
if (flags & TRANSPORT_PUSH_SET_UPSTREAM)
set_upstreams(transport, remote_refs, pretend);
if (!(flags & (TRANSPORT_PUSH_DRY_RUN |
TRANSPORT_RECURSE_SUBMODULES_ONLY))) {
struct ref *ref;
for (ref = remote_refs; ref; ref = ref->next)
transport_update_tracking_ref(transport->remote, ref, verbose);
}
if (porcelain && !push_ret)
puts("Done");
else if (!quiet && !ret && !transport_refs_pushed(remote_refs))
fprintf(stderr, "Everything up-to-date\n");
return ret;
}
return 1;
}
int cmd_receive_pack(int argc, const char **argv, const char *prefix)
{
int advertise_refs = 0;
struct command *commands;
struct sha1_array shallow = SHA1_ARRAY_INIT;
struct sha1_array ref = SHA1_ARRAY_INIT;
struct shallow_info si;
struct option options[] = {
OPT__QUIET(&quiet, N_("quiet")),
OPT_HIDDEN_BOOL(0, "stateless-rpc", &stateless_rpc, NULL),
OPT_HIDDEN_BOOL(0, "advertise-refs", &advertise_refs, NULL),
OPT_HIDDEN_BOOL(0, "reject-thin-pack-for-testing", &reject_thin, NULL),
OPT_END()
};
packet_trace_identity("receive-pack");
argc = parse_options(argc, argv, prefix, options, receive_pack_usage, 0);
if (argc > 1)
usage_msg_opt(_("Too many arguments."), receive_pack_usage, options);
if (argc == 0)
usage_msg_opt(_("You must specify a directory."), receive_pack_usage, options);
service_dir = argv[0];
setup_path();
if (!enter_repo(service_dir, 0))
die("'%s' does not appear to be a git repository", service_dir);
git_config(receive_pack_config, NULL);
if (cert_nonce_seed)
push_cert_nonce = prepare_push_cert_nonce(service_dir, time(NULL));
if (0 <= transfer_unpack_limit)
unpack_limit = transfer_unpack_limit;
else if (0 <= receive_unpack_limit)
unpack_limit = receive_unpack_limit;
if (advertise_refs || !stateless_rpc) {
write_head_info();
}
if (advertise_refs)
return 0;
if ((commands = read_head_info(&shallow)) != NULL) {
const char *unpack_status = NULL;
struct string_list push_options = STRING_LIST_INIT_DUP;
if (use_push_options)
read_push_options(&push_options);
prepare_shallow_info(&si, &shallow);
if (!si.nr_ours && !si.nr_theirs)
shallow_update = 0;
if (!delete_only(commands)) {
unpack_status = unpack_with_sideband(&si);
update_shallow_info(commands, &si, &ref);
}
use_keepalive = KEEPALIVE_ALWAYS;
execute_commands(commands, unpack_status, &si,
&push_options);
if (pack_lockfile)
unlink_or_warn(pack_lockfile);
if (report_status)
report(commands, unpack_status);
run_receive_hook(commands, "post-receive", 1,
&push_options);
run_update_post_hook(commands);
if (push_options.nr)
string_list_clear(&push_options, 0);
if (auto_gc) {
const char *argv_gc_auto[] = {
"gc", "--auto", "--quiet", NULL,
};
struct child_process proc = CHILD_PROCESS_INIT;
proc.no_stdin = 1;
proc.stdout_to_stderr = 1;
proc.err = use_sideband ? -1 : 0;
proc.git_cmd = 1;
proc.argv = argv_gc_auto;
close_all_packs();
if (!start_command(&proc)) {
if (use_sideband)
copy_to_sideband(proc.err, -1, NULL);
finish_command(&proc);
}
}
if (auto_update_server_info)
update_server_info(0);
clear_shallow_info(&si);
}
if (use_sideband)
packet_flush(1);
sha1_array_clear(&shallow);
sha1_array_clear(&ref);
free((void *)push_cert_nonce);
return 0;
}
int cmd_receive_pack(int argc, const char **argv, const char *prefix)
{
int advertise_refs = 0;
int i;
struct command *commands;
struct sha1_array shallow = SHA1_ARRAY_INIT;
struct sha1_array ref = SHA1_ARRAY_INIT;
struct shallow_info si;
packet_trace_identity("receive-pack");
argv++;
for (i = 1; i < argc; i++) {
const char *arg = *argv++;
if (*arg == '-') {
if (!strcmp(arg, "--quiet")) {
quiet = 1;
continue;
}
if (!strcmp(arg, "--advertise-refs")) {
advertise_refs = 1;
continue;
}
if (!strcmp(arg, "--stateless-rpc")) {
stateless_rpc = 1;
continue;
}
if (!strcmp(arg, "--reject-thin-pack-for-testing")) {
fix_thin = 0;
continue;
}
usage(receive_pack_usage);
}
if (service_dir)
usage(receive_pack_usage);
service_dir = arg;
}
if (!service_dir)
usage(receive_pack_usage);
setup_path();
if (!enter_repo(service_dir, 0))
die("'%s' does not appear to be a git repository", service_dir);
git_config(receive_pack_config, NULL);
if (cert_nonce_seed)
push_cert_nonce = prepare_push_cert_nonce(service_dir, time(NULL));
if (0 <= transfer_unpack_limit)
unpack_limit = transfer_unpack_limit;
else if (0 <= receive_unpack_limit)
unpack_limit = receive_unpack_limit;
if (advertise_refs || !stateless_rpc) {
write_head_info();
}
if (advertise_refs)
return 0;
if ((commands = read_head_info(&shallow)) != NULL) {
const char *unpack_status = NULL;
prepare_shallow_info(&si, &shallow);
if (!si.nr_ours && !si.nr_theirs)
shallow_update = 0;
if (!delete_only(commands)) {
unpack_status = unpack_with_sideband(&si);
update_shallow_info(commands, &si, &ref);
}
execute_commands(commands, unpack_status, &si);
if (pack_lockfile)
unlink_or_warn(pack_lockfile);
if (report_status)
report(commands, unpack_status);
run_receive_hook(commands, "post-receive", 1);
run_update_post_hook(commands);
if (auto_gc) {
const char *argv_gc_auto[] = {
"gc", "--auto", "--quiet", NULL,
};
int opt = RUN_GIT_CMD | RUN_COMMAND_STDOUT_TO_STDERR;
run_command_v_opt(argv_gc_auto, opt);
}
if (auto_update_server_info)
update_server_info(0);
clear_shallow_info(&si);
}
if (use_sideband)
packet_flush(1);
sha1_array_clear(&shallow);
sha1_array_clear(&ref);
free((void *)push_cert_nonce);
return 0;
}