$ git clone -n https://gitee.com/src-opencloudos-rpms/xxhash.git /var/lib/mock/dist-oc8-build-75132-52028/root/chroot_tmpdir/scmroot/xxhash
Cloning into '/var/lib/mock/dist-oc8-build-75132-52028/root/chroot_tmpdir/scmroot/xxhash'...
$ git fetch origin 0580dfaf46d482093c2db9b9d41930c7c16ca2e4:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/xxhash
 * [new ref]         0580dfaf46d482093c2db9b9d41930c7c16ca2e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0580dfa import xxhash-0.8.2-1.tl3