Fix traceback when upgrading old INI-style configuration with upgrade-borgmatic-config (#367).

NEWS

@@ -4,6 +4,7 @@
  * #355: Fix traceback when a database hook value is null in a configuration file.
  * #361: Merge override values when specifying the "--override" flag multiple times. The previous
    behavior was to take the value of the last "--override" flag only.
+ * #367: Fix traceback when upgrading old INI-style configuration with upgrade-borgmatic-config.
  * #368: Fix signal forwarding from borgmatic to Borg resulting in recursion traceback.
  * #369: Document support for Borg placeholders in repository names.
 

borgmatic/commands/convert_config.py

@@ -99,7 +99,9 @@ def main():  # pragma: no cover
         )
 
         generate.write_configuration(
-            args.destination_config_filename, destination_config, mode=source_config_file_mode
+            args.destination_config_filename,
+            generate.render_configuration(destination_config),
+            mode=source_config_file_mode,
         )
 
         display_result(args)

borgmatic/config/generate.py

@@ -99,7 +99,7 @@ def _comment_out_optional_configuration(rendered_config):
     return '\n'.join(lines)
 
 
-def _render_configuration(config):
+def render_configuration(config):
     '''
     Given a config data structure of nested OrderedDicts, render the config as YAML and return it.
     '''
@@ -284,5 +284,5 @@ def generate_sample_configuration(source_filename, destination_filename, schema_
 
     write_configuration(
         destination_filename,
-        _comment_out_optional_configuration(_render_configuration(destination_config)),
+        _comment_out_optional_configuration(render_configuration(destination_config)),
     )

tests/integration/config/test_generate.py

@@ -87,8 +87,8 @@ location:
     assert module._comment_out_optional_configuration(config.strip()) == expected_config.strip()
 
 
-def test_render_configuration_converts_configuration_to_yaml_string():
-    yaml_string = module._render_configuration({'foo': 'bar'})
+def testrender_configuration_converts_configuration_to_yaml_string():
+    yaml_string = module.render_configuration({'foo': 'bar'})
 
     assert yaml_string == 'foo: bar\n'
 
@@ -194,7 +194,7 @@ def test_generate_sample_configuration_does_not_raise():
     flexmock(module.yaml).should_receive('round_trip_load')
     flexmock(module).should_receive('_schema_to_sample_configuration')
     flexmock(module).should_receive('merge_source_configuration_into_destination')
-    flexmock(module).should_receive('_render_configuration')
+    flexmock(module).should_receive('render_configuration')
     flexmock(module).should_receive('_comment_out_optional_configuration')
     flexmock(module).should_receive('write_configuration')
 
@@ -208,7 +208,7 @@ def test_generate_sample_configuration_with_source_filename_does_not_raise():
     flexmock(module.load).should_receive('load_configuration')
     flexmock(module).should_receive('_schema_to_sample_configuration')
     flexmock(module).should_receive('merge_source_configuration_into_destination')
-    flexmock(module).should_receive('_render_configuration')
+    flexmock(module).should_receive('render_configuration')
     flexmock(module).should_receive('_comment_out_optional_configuration')
     flexmock(module).should_receive('write_configuration')