fix: Use maybeMissing for optional paths in fileset

README.md

@@ -1,5 +1,9 @@
 # colorshell
 
+> [!note]
+> **This is a fork of [retrozinndev/colorshell](https://github.com/retrozinndev/colorshell)**  
+> This repository contains custom modifications for use with NixOS. For the original project, please visit the [upstream repository](https://github.com/retrozinndev/colorshell).
+
 > [!note]
 > My personal dotfiles are now on [retrozinndev/Hyprland-Dots](https://github.com/retrozinndev/Hyprland-Dots)
 

nix/colorshell.nix

@@ -28,8 +28,8 @@ let
       lib.fileset.unions [
         ../flake.nix
         ../flake.lock
-        ../result
-        ../build
+        (lib.fileset.maybeMissing ../result)
+        (lib.fileset.maybeMissing ../build)
         ./.
       ]
     );