$ git clone -n https://src.fedoraproject.org/rpms/kdiagram2.git /var/lib/mock/f40-build-2594269-62732/root/chroot_tmpdir/scmroot/kdiagram2
Cloning into '/var/lib/mock/f40-build-2594269-62732/root/chroot_tmpdir/scmroot/kdiagram2'...
$ git fetch origin 054ba4c3b72deb5b1044024cc3eceb5b330e1925:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdiagram2
 * [new ref]         054ba4c3b72deb5b1044024cc3eceb5b330e1925 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 054ba4c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild