static void reject_updates_to_hidden(struct command *commands)
{
struct strbuf refname_full = STRBUF_INIT;
size_t prefix_len;
struct command *cmd;
strbuf_addstr(&refname_full, get_git_namespace());
prefix_len = refname_full.len;
for (cmd = commands; cmd; cmd = cmd->next) {
if (cmd->error_string)
continue;
strbuf_setlen(&refname_full, prefix_len);
strbuf_addstr(&refname_full, cmd->ref_name);
if (!ref_is_hidden(cmd->ref_name, refname_full.buf))
continue;
if (is_null_sha1(cmd->new_sha1))
cmd->error_string = "deny deleting a hidden ref";
else
cmd->error_string = "deny updating a hidden ref";
}
strbuf_release(&refname_full);
}
static void show_ref(const char *path, const unsigned char *sha1)
{
if (ref_is_hidden(path))
return;
if (sent_capabilities) {
packet_write(1, "%s %s\n", sha1_to_hex(sha1), path);
} else {
struct strbuf cap = STRBUF_INIT;
strbuf_addstr(&cap,
"report-status delete-refs side-band-64k quiet");
if (advertise_atomic_push)
strbuf_addstr(&cap, " atomic");
if (prefer_ofs_delta)
strbuf_addstr(&cap, " ofs-delta");
if (push_cert_nonce)
strbuf_addf(&cap, " push-cert=%s", push_cert_nonce);
strbuf_addf(&cap, " agent=%s", git_user_agent_sanitized());
packet_write(1, "%s %s%c%s\n",
sha1_to_hex(sha1), path, 0, cap.buf);
strbuf_release(&cap);
sent_capabilities = 1;
}
}
/* return non-zero if the ref is hidden, otherwise 0 */
static int mark_our_ref(const char *refname, const char *refname_full,
const struct object_id *oid)
{
struct object *o = lookup_unknown_object(oid->hash);
if (ref_is_hidden(refname, refname_full)) {
o->flags |= HIDDEN_REF;
return 1;
}
o->flags |= OUR_REF;
return 0;
}
/* return non-zero if the ref is hidden, otherwise 0 */
static int mark_our_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
{
struct object *o = lookup_unknown_object(sha1);
if (ref_is_hidden(refname)) {
o->flags |= HIDDEN_REF;
return 1;
}
if (!o)
die("git upload-pack: cannot find object %s:", sha1_to_hex(sha1));
o->flags |= OUR_REF;
return 0;
}
static void reject_updates_to_hidden(struct command *commands)
{
struct command *cmd;
for (cmd = commands; cmd; cmd = cmd->next) {
if (cmd->error_string || !ref_is_hidden(cmd->ref_name))
continue;
if (is_null_sha1(cmd->new_sha1))
cmd->error_string = "deny deleting a hidden ref";
else
cmd->error_string = "deny updating a hidden ref";
}
}
static void show_ref(const char *path, const unsigned char *sha1)
{
if (ref_is_hidden(path))
return;
if (sent_capabilities)
packet_write(1, "%s %s\n", sha1_to_hex(sha1), path);
else
packet_write(1, "%s %s%c%s%s agent=%s\n",
sha1_to_hex(sha1), path, 0,
" report-status delete-refs side-band-64k quiet",
prefer_ofs_delta ? " ofs-delta" : "",
git_user_agent_sanitized());
sent_capabilities = 1;
}
static int show_ref_cb(const char *path_full, const struct object_id *oid,
int flag, void *unused)
{
const char *path = strip_namespace(path_full);
if (ref_is_hidden(path, path_full))
return 0;
/*
* Advertise refs outside our current namespace as ".have"
* refs, so that the client can use them to minimize data
* transfer but will otherwise ignore them. This happens to
* cover ".have" that are thrown in by add_one_alternate_ref()
* to mark histories that are complete in our alternates as
* well.
*/
if (!path)
path = ".have";
show_ref(path, oid->hash);
return 0;
}
