$ git clone -n https://src.fedoraproject.org/rpms/ghc-void.git /var/lib/mock/f31-build-101515-33409/root/chroot_tmpdir/scmroot/ghc-void
Cloning into '/var/lib/mock/f31-build-101515-33409/root/chroot_tmpdir/scmroot/ghc-void'...
$ git reset --hard ae861e36d0c7524dce228b0ec85cf0c78e8f7fbc
HEAD is now at ae861e3 BR prof for lib and static for executable