nixos/local/pkgs/typora/default.nix

{ lib, stdenv, steam-run, fetchurl, writeShellScript }:
let
	typora-dist = stdenv.mkDerivation rec
	{
		pname = "typora-dist";
		version = "1.6.6";
		src = fetchurl
		{
			url = "https://download.typora.io/linux/typora_${version}_amd64.deb";
			sha256 = "sha256-77mCgmsROLhfuOmOOyl2C5Ug2NfqEvcD+kMA3aiAQtA=";
		};

		dontFixup = true;

		unpackPhase =
		''
			ar x ${src}
			tar xf data.tar.xz
		'';
		installPhase =
		''
			mkdir -p $out
			mv usr/share $out
		'';
	};
in stdenv.mkDerivation rec
{
	pname = "typora";
	inherit (typora-dist) version;
	BuildInputs = [ typora-dist steam-run ];
	startScript = writeShellScript "typora" "${steam-run}/bin/steam-run ${typora-dist}/share/typora/Typora $@";
	phases = [ "installPhase" ];
  installPhase =
	''
    mkdir -p $out/bin $out/share/applications
    ln -s ${startScript} $out/bin/typora
    cp ${typora-dist}/share/applications/typora.desktop $out/share/applications
		sed -i "s|Exec=.*|Exec=${startScript} %U|g" $out/share/applications/typora.desktop
		sed -i "s|Icon=.*|Icon=${typora-dist}/share/icons/hicolor/256x256/apps/typora.png|g" \
			$out/share/applications/typora.desktop
  '';
}