[

  (self: super: {
    powerline-go = super.callPackage
      (super.fetchurl {
        url = "https://raw.githubusercontent.com/NixOS/nixpkgs/65211f5afcc3637c55423b327157a5eae05dff67/pkgs/tools/misc/powerline-go/default.nix";
        sha256 = "79a60a12da011ed12dc46aabd0b43e928604759b6e7d1e0b0fd7afc3cedfd4ad";
      })
      { };
  })

]