$ git clone -n https://src.fedoraproject.org/rpms/ghc-reducers.git /var/lib/mock/f33-build-186838-45860/root/chroot_tmpdir/scmroot/ghc-reducers
Cloning into '/var/lib/mock/f33-build-186838-45860/root/chroot_tmpdir/scmroot/ghc-reducers'...
$ git reset --hard 80e408068f029c4f1423d6bd6b3b9a71a1e5cba2
HEAD is now at 80e4080 refresh to cabal-rpm-2.0.2