$ git clone -n https://gitee.com/src-opencloudos-rpms/libei.git /var/lib/mock/dist-oc9-build-235305-82120/root/chroot_tmpdir/scmroot/libei
Cloning into '/var/lib/mock/dist-oc9-build-235305-82120/root/chroot_tmpdir/scmroot/libei'...
$ git fetch origin 894ae4d955ea13d44459c1eccad9492a38870b83:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libei
 * [new ref]         894ae4d955ea13d44459c1eccad9492a38870b83 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 894ae4d import libei-1.2.1-2.tl4