$ git clone -n https://src.fedoraproject.org/rpms/ghc-vector-space.git /var/lib/mock/f31-build-55045-28083/root/chroot_tmpdir/scmroot/ghc-vector-space
Cloning into '/var/lib/mock/f31-build-55045-28083/root/chroot_tmpdir/scmroot/ghc-vector-space'...
$ git reset --hard e7a958c545ca2567cbfdb0f5205e3f59604f22f5
HEAD is now at e7a958c refresh to cabal-rpm-0.13