Fixed polkit, fixed wallpaper script, and more improvements so far!

config/system/autorun.nix

@@ -1,8 +1,16 @@
-{ pkgs, config, ... }:
+{ pkgs, config, wallpaperDir,
+  wallpaperGit, username, ... }:
 
 {
-  # system.userActivationScripts = {
-  #   swayncReloader.text = ''
-  #   '';
-  # };
+  system.activationScripts = {
+    gitwallpapers.text = ''
+      if [ -d ${wallpaperDir} ]; then
+        cd ${wallpaperDir}
+        ${pkgs.git}/bin/git pull
+      else
+        ${pkgs.git}/bin/git clone ${wallpaperGit} ${wallpaperDir}
+        chown -R ${username}:users ${wallpaperDir}
+      fi
+    '';
+  };
 }