$ git clone -n https://src.fedoraproject.org/rpms/memstomp.git /var/lib/mock/f40-build-2476044-61566/root/chroot_tmpdir/scmroot/memstomp
Cloning into '/var/lib/mock/f40-build-2476044-61566/root/chroot_tmpdir/scmroot/memstomp'...
$ git fetch origin 56ef5c32cd82f04ccf1c97505b21592bfcad342a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/memstomp
 * [new ref]         56ef5c32cd82f04ccf1c97505b21592bfcad342a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 56ef5c3 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild