feat: tint the fastfetch image with system colors for consistency

hm/modules/common/shellenv/fastfetch/default.nix

@@ -1,4 +1,10 @@
-{ config, lib, ... }:
+{
+  config,
+  lib,
+  osConfig,
+  pkgs,
+  ...
+}:
 let
   fastfetchConfig = builtins.fromJSON (builtins.readFile ./config.json);
   cfg = config.liminalOS.shellEnv.fastfetch;
@@ -19,8 +25,26 @@ in
         Whether to use the kitty image protocol.
       '';
     };
+    tintImage = lib.mkOption {
+      type = lib.types.bool;
+      default = osConfig.liminalOS.theming.enable;
+      description = ''
+        Whether to tint the image with system wide colors.
+      '';
     };
-  config.programs.fastfetch = lib.mkIf cfg.enable {
+  };
+  config.programs.fastfetch =
+    let
+      image =
+        if !cfg.tintImage then
+          ./nixos-logo.png
+        else
+          pkgs.runCommand "nixos-logo.png" { } ''
+            COLOR="#${config.lib.stylix.colors.base0A}"
+            ${lib.getExe pkgs.imagemagick} ${./nixos-logo.png} -size 512x512 -fill $COLOR -tint 50 $out
+          '';
+    in
+    lib.mkIf cfg.enable {
       enable = true;
       settings = (
         fastfetchConfig
@@ -31,7 +55,7 @@ in
               top = 2;
             };
             type = if cfg.useKittyImage then "kitty" else "auto";
-          source = lib.mkIf cfg.useKittyImage ./nixos-logo.png;
+            source = lib.mkIf cfg.useKittyImage image;
           };
         }
       );