Plasma: tell baloo to not index not useful folders

roles/kde/plasma.nix

@@ -23,6 +23,20 @@ let
 		AccentColor = "172,53,164" ; };
 	};
 
+	balooExcludedDirs = lib.strings.intersperse "," [
+		"$HOME/.cache/"
+		"$HOME/.config/"
+		"$HOME/.local/"
+		];
+
+	baloofilerc = lib.generators.toINI {} {
+		General = {
+		# The [$e] part allows you to use environment variables
+		"exclude folders[$e]" = lib.strings.concatStrings balooExcludedDirs;
+		};
+	};
+
+	# Make custom packages
 	breezeTint = pkgs.stdenv.mkDerivation {
 		name = "breeze-tint";
 		src = "${pkgs.breeze-qt5}";
@@ -60,6 +74,7 @@ let
 			set -x
 			mkdir -p $out/etc/xdg
 			echo "${kdeglobals}" > $out/etc/xdg/kdeglobals
+			echo '${baloofilerc}' > $out/etc/xdg/baloofilerc
 
 			runHook postInstall
 		'';