$ git clone -n https://gitee.com/src-opencloudos-rpms/ignition.git /var/lib/mock/dist-oc9-build-241632-82865/root/chroot_tmpdir/scmroot/ignition
Cloning into '/var/lib/mock/dist-oc9-build-241632-82865/root/chroot_tmpdir/scmroot/ignition'...
$ git fetch origin ef5d32991f55979a79857299dac2de467c2c28c5:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ignition
 * [new ref]         ef5d32991f55979a79857299dac2de467c2c28c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ef5d329 import ignition-2.15.0-8.tl4