$ git clone -n https://gitee.com/src-opencloudos-rpms/ignition.git /var/lib/mock/dist-oc9-build-41657-14591/root/chroot_tmpdir/scmroot/ignition
Cloning into '/var/lib/mock/dist-oc9-build-41657-14591/root/chroot_tmpdir/scmroot/ignition'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ignition
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2d39384 import ignition-2.14.0-3.tl4