isle/nix/appimagetool.nix

{ stdenv, fetchurl }:

let

  version = "745";

  cpuArch = stdenv.buildPlatform.parsed.cpu.name;

  src = {

    "x86_64" = fetchurl {
      url = "https://github.com/probonopd/go-appimage/releases/download/continuous/appimagetool-${version}-x86_64.AppImage";
      sha256 = "sha256-HQ7d9LQDaPm6sGZ5boWZdmGTNqiGN9NWHUWPiDhl2Xc=";
    };

    "aarch64" = fetchurl {
      url = "https://github.com/probonopd/go-appimage/releases/download/continuous/appimagetool-${version}-aarch64.AppImage";
      sha256 = "sha256-VvH2qXULliCiyFrisaIJbM0ApXp++ZAtxHiS6FM3XT0=";
    };

    "armv7l" = fetchurl {
      url = "https://github.com/probonopd/go-appimage/releases/download/continuous/appimagetool-${version}-armhf.AppImage";
      sha256 = "sha256-ytJjN2dLYOSwqCCFZvqnt+wt2wX/lZ1R+nVz5C+Akvo=";
    };

    "i686" = fetchurl {
      url = "https://github.com/probonopd/go-appimage/releases/download/continuous/appimagetool-${version}-i686.AppImage";
      sha256 = "sha256-GLEhn3dcrwdU3mG0lB6H7PQ5JwEIGqWlGrO1IifeQv4=";
    };

  }."${cpuArch}";

in stdenv.mkDerivation rec {

  pname = "go-appimage";
  inherit version src;

  sourceRoot = "squashfs-root";

  unpackPhase = ''
    cp $src appimagetool
    chmod u+wx appimagetool
    ./appimagetool --appimage-extract
  '';

  installPhase = ''
    mkdir -p $out
    cp -r usr/* $out
  '';
}