hello-wayland: add update script

+3
+3
pkgs/applications/graphics/hello-wayland/default.nix
··· 1 { stdenv, lib, fetchFromGitHub 2 , imagemagick, pkg-config, wayland, wayland-protocols 3 }: 4 5 stdenv.mkDerivation { ··· 22 install hello-wayland $out/bin 23 runHook postBuild 24 ''; 25 26 meta = with lib; { 27 description = "Hello world Wayland client";
··· 1 { stdenv, lib, fetchFromGitHub 2 , imagemagick, pkg-config, wayland, wayland-protocols 3 + , unstableGitUpdater 4 }: 5 6 stdenv.mkDerivation { ··· 23 install hello-wayland $out/bin 24 runHook postBuild 25 ''; 26 + 27 + passthru.updateScript = unstableGitUpdater { }; 28 29 meta = with lib; { 30 description = "Hello world Wayland client";