$ git clone -n https://src.fedoraproject.org/rpms/ghc-cheapskate.git /var/lib/mock/f40-build-777026-129191/root/chroot_tmpdir/scmroot/ghc-cheapskate
Cloning into '/var/lib/mock/f40-build-777026-129191/root/chroot_tmpdir/scmroot/ghc-cheapskate'...
$ git fetch origin 8264d0e0c7f31087e2c7763edfffcfda115e2d5e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-cheapskate
 * [new ref]         8264d0e0c7f31087e2c7763edfffcfda115e2d5e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8264d0e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild