$ git clone -n https://gitee.com/src-opencloudos-rpms/libuser.git /var/lib/mock/dist-oc9-build-61175-16463/root/chroot_tmpdir/scmroot/libuser
Cloning into '/var/lib/mock/dist-oc9-build-61175-16463/root/chroot_tmpdir/scmroot/libuser'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libuser
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa0a41b import libuser-0.64-3.tl4