fix ui

modules/home/gui/theme/wallpaper-gen.nix

@@ -4,6 +4,12 @@ let
   colors = config.colorScheme.palette;
   mediaImages = config.syscfg.media.main;
   mediaNames = map (image: builtins.baseNameOf (toString image)) mediaImages;
+  mediaSourceDir = pkgs.linkFarm "wallpaper-media" (
+    map (image: {
+      name = builtins.baseNameOf (toString image);
+      path = image;
+    }) mediaImages
+  );
 
   dither = "atkinson"; # none | floyd-steinberg | atkinson | jjn | burkes | sierra | sierra-lite
   paletteSize = 0;
@@ -99,10 +105,9 @@ let
   );
 
   buildCommands =
-    lib.concatMapStringsSep "\n" (image:
+    lib.concatMapStringsSep "\n" (name:
       let
-        source = toString image;
-        name = builtins.baseNameOf source;
+        source = "${mediaSourceDir}/${name}";
         target = "build/${name}";
       in
       if lib.hasSuffix ".gif" (lib.toLower name) then ''
@@ -110,7 +115,7 @@ let
       '' else ''
         repalette ${lib.escapeShellArg source} ${lib.escapeShellArg target} -p ${lib.escapeShellArg paletteHex} --dither ${lib.escapeShellArg dither}
       ''
-    ) mediaImages;
+    ) mediaNames;
 in
 assert lib.assertMsg
   (builtins.length mediaNames == builtins.length (lib.unique mediaNames))