final: prev: {
  blesh = prev.blesh.overrideAttrs (oldAttrs: rec {
    #inherit (prev.sources.blesh-nvfetcher) version src;
    version = "0.4.0-devel4";
    src = prev.fetchFromGitHub {
      owner = "akinomyoga";
      repo = "ble.sh";
      rev = "f16c0d807c8e1fe26fa5d990b561829382cbdc72";
      hash = "sha256-+tcM1z9uD7WXA7CfHmTbcPRcZfmXZ+Y7y6Bj4QA3f+4=";
      fetchSubmodules = true;
      leaveDotGit = true;
    };
    dontBuild = false;
    buildInputs = [prev.git];
    patchPhase = ''
      substituteInPlace GNUmakefile \
        --replace "git submodule update --init --recursive" ""
    '';
    nativeCheckInputs = oldAttrs.nativeCheckInputs ++ [prev.busybox];

    installPhase = ''
      runHook preInstall

      mkdir -p "$out/share/blesh/lib"

      cat <<EOF >"$out/share/blesh/lib/_package.sh"
      _ble_base_package_type=nix

      function ble/base/package:nix/update {
        echo "Ble.sh is installed by Nix. You can update it there." >&2
        return 1
      }
      EOF

      make install INSDIR=$out/share/blesh

      runHook postInstall
    '';
  });
}