$ git clone -n https://gitee.com/happy_orange/memcached.git /var/lib/mock/dist-an23-build-295444-65781/root/chroot_tmpdir/scmroot/memcached
Cloning into '/var/lib/mock/dist-an23-build-295444-65781/root/chroot_tmpdir/scmroot/memcached'...
$ git fetch origin 5c8415586eaa71240b9571d1289aebae39b9cf17:KOJI_FETCH_HEAD
From https://gitee.com/happy_orange/memcached
 * [new ref]         5c8415586eaa71240b9571d1289aebae39b9cf17 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5c84155 update to 1.6.21