$ git clone -n https://src.fedoraproject.org/rpms/libcupsfilters.git /var/lib/mock/f40-build-805258-144745/root/chroot_tmpdir/scmroot/libcupsfilters
Cloning into '/var/lib/mock/f40-build-805258-144745/root/chroot_tmpdir/scmroot/libcupsfilters'...
$ git fetch origin 2966186149d14fe46850f7c258ef5a3b275f939f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libcupsfilters
 * [new ref]         2966186149d14fe46850f7c258ef5a3b275f939f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2966186 2266609 - fix color printing via URF to driverless printer