$ git clone -n https://src.fedoraproject.org/rpms/ghc-shakespeare.git /var/lib/mock/f31-build-94590-32497/root/chroot_tmpdir/scmroot/ghc-shakespeare
Cloning into '/var/lib/mock/f31-build-94590-32497/root/chroot_tmpdir/scmroot/ghc-shakespeare'...
$ git reset --hard 3e8a057e9ae31d7d5d772551018bafa9d1d42e31
HEAD is now at 3e8a057 BR prof for lib and static for executable