$ git clone -n https://src.fedoraproject.org/rpms/ghc-tabular.git /var/lib/mock/f40-build-776332-128763/root/chroot_tmpdir/scmroot/ghc-tabular
Cloning into '/var/lib/mock/f40-build-776332-128763/root/chroot_tmpdir/scmroot/ghc-tabular'...
$ git fetch origin be3ef963993d8d0816df4c7d3d8f6cc1e28222f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-tabular
 * [new ref]         be3ef963993d8d0816df4c7d3d8f6cc1e28222f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at be3ef96 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild