fix shellcheck

bin/terractl

@@ -567,7 +567,11 @@ cmd_import() {
   fi
 
   if [[ $EUID -eq 0 ]]; then chown -R "$SVC_USER:$SVC_USER" "$dir"; fi
-  echo "imported${meta_from:+ '$meta_from' as} '$name' into $dir"
+  if [[ -n $meta_from ]]; then
+    echo "imported '$meta_from' as '$name' into $dir"
+  else
+    echo "imported '$name' into $dir"
+  fi
   echo "Review $dir/serverconfig.txt, then: systemctl enable --now terraria@$name"
 }