$ git clone -n https://gitee.com/fundawang/memcached.git /var/lib/mock/dist-an23-build-323001-68397/root/chroot_tmpdir/scmroot/memcached
Cloning into '/var/lib/mock/dist-an23-build-323001-68397/root/chroot_tmpdir/scmroot/memcached'...
$ git fetch origin 51cfd1c00d82c02ea8a5266a854c0b8f23d3548c:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/memcached
 * [new ref]         51cfd1c00d82c02ea8a5266a854c0b8f23d3548c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 51cfd1c 1.6.22