$ git clone -n https://src.fedoraproject.org/rpms/ghc-snap-core.git /var/lib/mock/f31-build-54836-28063/root/chroot_tmpdir/scmroot/ghc-snap-core
Cloning into '/var/lib/mock/f31-build-54836-28063/root/chroot_tmpdir/scmroot/ghc-snap-core'...
$ git reset --hard 6970c8b0553541a9d1ff0811043d78248f5c498f
HEAD is now at 6970c8b refresh to cabal-rpm-0.13