$ git clone -n https://src.fedoraproject.org/rpms/ghc-filestore.git /var/lib/mock/f31-build-54357-27988/root/chroot_tmpdir/scmroot/ghc-filestore
Cloning into '/var/lib/mock/f31-build-54357-27988/root/chroot_tmpdir/scmroot/ghc-filestore'...
$ git reset --hard a90c89e900e8f65f3add6691145cf5a2b984bc0d
HEAD is now at a90c89e refresh to cabal-rpm-0.13