$ git clone -n https://src.fedoraproject.org/rpms/ghc-reflection.git /var/lib/mock/f31-build-94528-32495/root/chroot_tmpdir/scmroot/ghc-reflection
Cloning into '/var/lib/mock/f31-build-94528-32495/root/chroot_tmpdir/scmroot/ghc-reflection'...
$ git reset --hard d7139d4f5ea6714a3a9578a31140c89092d2a17d
HEAD is now at d7139d4 BR prof for lib and static for executable