$ git clone -n https://gitee.com/src-opencloudos-rpms/dracut /var/lib/mock/dist-oc9-build-57270-15517/root/chroot_tmpdir/scmroot/dracut
Cloning into '/var/lib/mock/dist-oc9-build-57270-15517/root/chroot_tmpdir/scmroot/dracut'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/dracut
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 302785b [057-5.oc9.1] backport patch which fix rootfs-generator issues