unison: M4i -> M5b

{ lib, stdenv, fetchurl, autoPatchelfHook

, ncurses5, zlib, gmp

, ncurses6, zlib, gmp

, makeWrapper

, less

}:

stdenv.mkDerivation (finalAttrs: {

  pname = "unison-code-manager";

  milestone_id = "M4i";

  milestone_id = "M5b";

  version = "1.0.${finalAttrs.milestone_id}-alpha";

  src = if (stdenv.isDarwin) then

    fetchurl {

      url = "https://github.com/unisonweb/unison/releases/download/release/${finalAttrs.milestone_id}/ucm-macos.tar.gz";

      hash = "sha256-1Qp1SB5rCsVimZzRo1NOX8HBoMEGlIycJPm3zGTUuOw=";

      hash = "sha256-Uknt1NrywmGs8YovlnN8TU8iaYgT1jeYP4SQCuK1u+I=";

    }

  else

    fetchurl {

      url = "https://github.com/unisonweb/unison/releases/download/release/${finalAttrs.milestone_id}/ucm-linux.tar.gz";

      hash = "sha256-Qx8vO/Vaz0VdCGXwIwRQIuMlp44hxCroQ7m7Y+m7aXk=";

      hash = "sha256-CZLGA4fFFysxHkwedC8RBLmHWwr3BM8xqps7hN3TC/g=";

    };

  # The tarball is just the prebuilt binary, in the archive root.

  dontConfigure = true;

  nativeBuildInputs = [ makeWrapper ] ++ (lib.optional (!stdenv.isDarwin) autoPatchelfHook);

  buildInputs = lib.optionals (!stdenv.isDarwin) [ ncurses5 zlib gmp ];

  buildInputs = lib.optionals (!stdenv.isDarwin) [ ncurses6 zlib gmp ];

  installPhase = ''

    mkdir -p $out/bin