$ git clone -n https://src.fedoraproject.org/rpms/Lmod.git /var/lib/mock/f41-build-847433-163983/root/chroot_tmpdir/scmroot/Lmod
Cloning into '/var/lib/mock/f41-build-847433-163983/root/chroot_tmpdir/scmroot/Lmod'...
$ git fetch origin 26ebb9f268ad61c3b5db873b4b7dcdd9a4644004:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/Lmod
 * [new ref]         26ebb9f268ad61c3b5db873b4b7dcdd9a4644004 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 26ebb9f Update to 8.4.78