$ git clone -n https://src.fedoraproject.org/rpms/Lmod.git /var/lib/mock/f39-build-1501230-34826/root/chroot_tmpdir/scmroot/Lmod
Cloning into '/var/lib/mock/f39-build-1501230-34826/root/chroot_tmpdir/scmroot/Lmod'...
$ git fetch origin ff4b34f130befb9e9858b10e6d741da5e57bb900:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/Lmod
 * [new ref]         ff4b34f130befb9e9858b10e6d741da5e57bb900 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff4b34f Update to 8.7.32