Correct if else syntax and HOME variable setting

reset_kde.fish

@@ -1,9 +1,15 @@
 #!/usr/bin/fish
 
-if string length -q $HOME
+set HOME /home/$USER
+
+if set -q HOME
+    echo HOME variable defined as $HOME
+end
+
+if string length -q -- $HOME
 
     echo "Backup up $HOME/.config"
-    cp $HOME/.config $HOME/.config.bak
+    cp -r $HOME/.config $HOME/.config.bak
 
     echo "Deleting KDE config files"
     set fileList Trolltech.conf akregatorrc baloofilerc bluedevilglobalrc kactivitymanagerd-statsrc
@@ -20,7 +26,11 @@ if string length -q $HOME
     set -a fileList breezerc
 
     rm $fileList
+    echo "Deletion completed"
 
-[else; echo "HOME variable not defined"; exit;]
 
-end
+else
+
+    echo "HOME variable not defined"
+
+end