{ config, lib, ... }: { imports = [ ./i3-stubs.nix ]; xsession.windowManager.i3 = { enable = true; config.keybindings = let modifier = config.xsession.windowManager.i3.config.modifier; in lib.mkOptionDefault { "${modifier}+Left" = "overridden-command"; "${modifier}+Right" = null; "${modifier}+Invented" = "invented-key-command"; }; }; nmt.script = '' assertFileExists home-files/.config/i3/config assertFileContent home-files/.config/i3/config \ ${./i3-keybindings-expected.conf} ''; }