better script for liucs-desktop-reset

skel.nix

@@ -8,9 +8,27 @@ let
 in
 {
   home-manager.users.student = {
-    programs.bash.shellAliases = {
-      liucs-desktop-reset = "rsync ${rsync-args} && xfce4-session-logout -l";
-    };
+    home.packages = [(
+      pkgs.writeShellScriptBin "liucs-desktop-reset" ''
+        echo 'This script will restore some of your desktop'
+        echo 'settings to their original (or prescribed) state.'
+        echo 'In particular, it affects the desktop panels,'
+        echo 'background, the Atom editor, and Firefox.'
+        echo
+        echo 'Press enter to proceed or control-C to cancel.'
+        read answer
+        rsync ${rsync-args}
+        echo
+        echo 'Configuration files reset, we will now log out'
+        echo 'and back in for changes to take effect.'
+        echo '(Or press control-C to cancel log out)'
+        for ((i=5; i>0; i--)); do
+          echo -n "$i... "
+          sleep 1
+        done
+        xfce4-session-logout --logout
+      ''
+    )];
     home.activation.copySkelConfigs = {
       before = [];
       after = [];