$ git clone -n https://src.fedoraproject.org/rpms/cxsc.git /var/lib/mock/f40-build-2433282-60694/root/chroot_tmpdir/scmroot/cxsc
Cloning into '/var/lib/mock/f40-build-2433282-60694/root/chroot_tmpdir/scmroot/cxsc'...
$ git fetch origin 6bdf1e53c321c983763338f334731a6b26e0415d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cxsc
 * [new ref]         6bdf1e53c321c983763338f334731a6b26e0415d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6bdf1e5 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild