$ git clone -n https://src.fedoraproject.org/rpms/ghc-free.git /var/lib/mock/f31-build-111590-34183/root/chroot_tmpdir/scmroot/ghc-free
Cloning into '/var/lib/mock/f31-build-111590-34183/root/chroot_tmpdir/scmroot/ghc-free'...
$ git reset --hard a36e172dbee5ea3bbf65d24f3468e40e091525d5
HEAD is now at a36e172 BR prof for lib and static for executable