$ git clone -n https://src.fedoraproject.org/rpms/ghc-hashtables.git /var/lib/mock/f40-build-776492-128863/root/chroot_tmpdir/scmroot/ghc-hashtables
Cloning into '/var/lib/mock/f40-build-776492-128863/root/chroot_tmpdir/scmroot/ghc-hashtables'...
$ git fetch origin 65cb6e180ddf078fdd1140451b4e392f1b55374e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-hashtables
 * [new ref]         65cb6e180ddf078fdd1140451b4e392f1b55374e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 65cb6e1 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild