Don't create a backup if the old profile is a symlink

make_links.sh

@@ -10,8 +10,11 @@ main() {
   local files=( $( find . -maxdepth 1 -type f ! \( -name 'make_links.sh' -o -name 'README.md' \) | sed 's/.\///' ) )
 
   for f in ${files[@]}; do
+    if [[ -f ~/.${f} ]] && ! [[ -L ~/.${f}  ]]; then 
+      echo Backup: ~/.${f} "==>" ~/${f}.old
+      mv ~/.${f} ~/${f}.old
+    fi
     echo ~/.${f} "-->" ${homedir}/${f}
-    if [[ -f ~/.${f} ]]; then mv ~/.${f} ~/${f}.old; fi
     ln -s ${homedir}/${f} ~/.${f}
   done
 }