in src/setup.py [0:0]
def _configure_plugin_installation_method_non_interactive(self):
# recommended|add|not_modify
if not self.installation_method:
pass
else:
if self.installation_method == 'not_modify':
pass
if self.installation_method == 'add':
self.config.only_add_plugin = True
if self.installation_method == 'recommended':
self.config.use_recommended_collectd_config = True