$ git clone -n https://src.fedoraproject.org/rpms/libva-nvidia-driver.git /var/lib/mock/f38-build-side-42-init-devel-1264855-30643/root/chroot_tmpdir/scmroot/libva-nvidia-driver
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1264855-30643/root/chroot_tmpdir/scmroot/libva-nvidia-driver'...
$ git fetch origin 96e8259998c06330eb28e8c115eaf8fdcb9831fe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libva-nvidia-driver
 * [new ref]         96e8259998c06330eb28e8c115eaf8fdcb9831fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 96e8259 Replace the rpmfusion package and provide alt name