receive-pack: Refactor how capabilities are shown to the client

Moving capability advertisement into the packet_write call itself
makes it easier to add additional capabilities to the list, be
it optional by configuration, or always present in the protocol.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Shawn O. Pearce 2010-02-05 12:57:40 -08:00 committed by Junio C Hamano
parent 0c499ea60f
commit 185c04e041

View File

@ -31,7 +31,7 @@ static int prefer_ofs_delta = 1;
static int auto_update_server_info;
static int auto_gc = 1;
static const char *head_name;
static char *capabilities_to_send;
static int sent_capabilities;
static enum deny_action parse_deny_action(const char *var, const char *value)
{
@ -105,19 +105,21 @@ static int receive_pack_config(const char *var, const char *value, void *cb)
static int show_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data)
{
if (!capabilities_to_send)
if (sent_capabilities)
packet_write(1, "%s %s\n", sha1_to_hex(sha1), path);
else
packet_write(1, "%s %s%c%s\n",
sha1_to_hex(sha1), path, 0, capabilities_to_send);
capabilities_to_send = NULL;
packet_write(1, "%s %s%c%s%s\n",
sha1_to_hex(sha1), path, 0,
" report-status delete-refs",
prefer_ofs_delta ? " ofs-delta" : "");
sent_capabilities = 1;
return 0;
}
static void write_head_info(void)
{
for_each_ref(show_ref, NULL);
if (capabilities_to_send)
if (!sent_capabilities)
show_ref("capabilities^{}", null_sha1, 0, NULL);
}
@ -670,10 +672,6 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
else if (0 <= receive_unpack_limit)
unpack_limit = receive_unpack_limit;
capabilities_to_send = (prefer_ofs_delta) ?
" report-status delete-refs ofs-delta " :
" report-status delete-refs ";
if (advertise_refs || !stateless_rpc) {
add_alternate_refs();
write_head_info();