$ git clone -n https://src.fedoraproject.org/rpms/python-diff-cover.git /var/lib/mock/f40-build-2314006-57760/root/chroot_tmpdir/scmroot/python-diff-cover
Cloning into '/var/lib/mock/f40-build-2314006-57760/root/chroot_tmpdir/scmroot/python-diff-cover'...
$ git fetch origin 74a5c2d551487c7e818ce239cfe0c3a60868a850:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-diff-cover
 * [new ref]         74a5c2d551487c7e818ce239cfe0c3a60868a850 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 74a5c2d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild