$ git clone -n https://gitee.com/src-opencloudos-rpms/clevis.git /var/lib/mock/dist-oc9-build-120605-71384/root/chroot_tmpdir/scmroot/clevis
Cloning into '/var/lib/mock/dist-oc9-build-120605-71384/root/chroot_tmpdir/scmroot/clevis'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/clevis
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f68efa9 import clevis-19-4.tl4