add variable-appendix to only contain a single IP

Author: superstes

lib/util.py

@@ -47,14 +47,14 @@ def format_var(name: str, data: list, version: int, fallback: str = None) -> str
     if version not in FALLBACK_VAR_VALUE:
         version = 4
 
+    if name.endswith(VAR_SINGLE_END) and len(data) > 0:
+        data = [data[0]]
+
     append = APPENDIX_4 if version == 4 else APPENDIX_6
 
     if append not in [None, ' ', '']:
         name = f'{name}_{append}'
 
-    if name.endswith(VAR_SINGLE_END) and len(data) > 0:
-        data = data[0]
-
     if len(data) > 1:
         raw = f"define { name } = {{ %s }}"