$ git clone -n https://src.fedoraproject.org/rpms/ghc-shakespeare.git /var/lib/mock/f40-build-777189-129287/root/chroot_tmpdir/scmroot/ghc-shakespeare
Cloning into '/var/lib/mock/f40-build-777189-129287/root/chroot_tmpdir/scmroot/ghc-shakespeare'...
$ git fetch origin 4b471c551d83e91947263feb5b605f0d0912d2ba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-shakespeare
 * [new ref]         4b471c551d83e91947263feb5b605f0d0912d2ba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b471c5 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild