$ git clone -n https://src.fedoraproject.org/rpms/python-pycatch22.git /var/lib/mock/f38-build-side-42-init-devel-1418940-31456/root/chroot_tmpdir/scmroot/python-pycatch22
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1418940-31456/root/chroot_tmpdir/scmroot/python-pycatch22'...
$ git fetch origin 64eeaf4f663268dd18bc0203b2df7b1a6864c894:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pycatch22
 * [new ref]         64eeaf4f663268dd18bc0203b2df7b1a6864c894 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 64eeaf4 Correct License from GPL-3.0-only to GPL-3.0-or-later