{ stdenvNoCC, fetchFromGitHub, gtk3, }:
stdenvNoCC.mkDerivation rec {
  pname = "delta-icon-theme";
  version = "7b5bc269516845518da5095ed8b8cbbc34d68edb";
  dontBuild = true;

  src = fetchFromGitHub {
    owner = "Delta-Icons";
    repo = "linux";
    rev = version;
    sha256 = "sha256-/QraIVlgCT4AH+LU5gMtBmIZo3TBdwyeXRyBUxP8KJA=";
  };

  nativeBuildInputs = [ gtk3 ];

  dontDropIconThemeCache = true;

  installPhase = ''
    runHook preInstall
    mkdir -p $out/share/icons
    mv Delta $out/share/icons

    for theme in $out/share/icons/*; do
      gtk-update-icon-cache --force $theme
    done

    runHook postInstall
  '';
}