$ git clone -n https://src.fedoraproject.org/rpms/OpenLP.git /var/lib/mock/f42-build-side-1-3588705-46949/root/chroot_tmpdir/scmroot/OpenLP
Cloning into '/var/lib/mock/f42-build-side-1-3588705-46949/root/chroot_tmpdir/scmroot/OpenLP'...
$ git fetch origin 0b48e551b6821545a4ecfc66bc5ea8ffa687644f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/OpenLP
 * [new ref]         0b48e551b6821545a4ecfc66bc5ea8ffa687644f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0b48e55 Fix Build error