add override option

generator.conf

@@ -134,7 +134,8 @@ protoreplace:
 
 Beschlussvorlage"
 
-sendmail: ["/usr/bin/msmtp"]
+sendmail: ["/usr/sbin/sendmail"]
+override_file: "@import(personal.conf:override_file)"
 
 
 # vim: filetype=yaml

helpers/generate.py

@@ -204,6 +204,9 @@ def do_imports(entry):
 def get_config(f):
     raw_config = yaml.safe_load(open(f))
     config = do_imports(raw_config)
+    if "override_file" in config:
+        override_config = yaml.safe_load(open(config["override_file"]))
+        config.update(override_config)
     return config
 
 if __name__ == "__main__":