$ git clone -n https://src.fedoraproject.org/rpms/R-RColorBrewer.git /var/lib/mock/f41-build-side-1-3142769-40009/root/chroot_tmpdir/scmroot/R-RColorBrewer
Cloning into '/var/lib/mock/f41-build-side-1-3142769-40009/root/chroot_tmpdir/scmroot/R-RColorBrewer'...
$ git fetch origin 168375fff13cfd99c3b6b6e4d96ed188b70c0145:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-RColorBrewer
 * [new ref]         168375fff13cfd99c3b6b6e4d96ed188b70c0145 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 168375f convert ASL 2.0 license to SPDX