$ git clone -n https://src.fedoraproject.org/rpms/ghc-executable-path.git /var/lib/mock/f31-build-54312-27988/root/chroot_tmpdir/scmroot/ghc-executable-path
Cloning into '/var/lib/mock/f31-build-54312-27988/root/chroot_tmpdir/scmroot/ghc-executable-path'...
$ git reset --hard d42d184fd0620d615734094b83650f7e09fe252e
HEAD is now at d42d184 refresh to cabal-rpm-0.13