$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-float.git /var/lib/mock/f40-build-791422-137479/root/chroot_tmpdir/scmroot/gap-pkg-float
Cloning into '/var/lib/mock/f40-build-791422-137479/root/chroot_tmpdir/scmroot/gap-pkg-float'...
$ git fetch origin 6317fc3617a9d56c91ccc220e5b9d9ae174148a8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-float
 * [new ref]         6317fc3617a9d56c91ccc220e5b9d9ae174148a8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6317fc3 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild