$ git clone -n https://gitee.com/mgb01105731/memcached.git /var/lib/mock/dist-an23-build-323092-68397/root/chroot_tmpdir/scmroot/memcached
Cloning into '/var/lib/mock/dist-an23-build-323092-68397/root/chroot_tmpdir/scmroot/memcached'...
$ git fetch origin 7f3d06d404c94fb0d41672d7c1dc56c4747f4aa1:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/memcached
 * [new ref]         7f3d06d404c94fb0d41672d7c1dc56c4747f4aa1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f3d06d update to 1.6.22