File fix-add-group-extras.patch of Package opi

diff -ruNp a/bin/opi b/bin/opi
--- a/bin/opi
+++ b/bin/opi
@@ -35,6 +35,12 @@ class PreserveWhiteSpaceWrapRawTextHelpF
 
 
 def setup_argparser(plugin_manager):
+	extras = plugin_manager.get_plugin_string(' ' * 2, 'extras')
+	if extras:
+		extras = textwrap.dedent('''\
+			\nThese queries are provided by plugins that are not part of the opi package:
+		''') + extras
+
 	ap = argparse.ArgumentParser(
 		formatter_class=PreserveWhiteSpaceWrapRawTextHelpFormatter,
 		description=textwrap.dedent('''\
@@ -49,7 +55,7 @@ def setup_argparser(plugin_manager):
 		'''),
 		epilog=textwrap.dedent('''\
 			Also these queries (provided by plugins) can be used to install packages from various other vendors:
-		''') + plugin_manager.get_plugin_string(' ' * 2))
+		''') + plugin_manager.get_plugin_string(' ' * 2) + extras)
 
 	ap.add_argument('query', nargs='*', type=str, help=textwrap.dedent('''\
 		can be any package name or part of it and will be searched for both at the openSUSE Build Service and Packman.
diff -ruNp a/opi/plugins/__init__.py b/opi/plugins/__init__.py
--- a/opi/plugins/__init__.py
+++ b/opi/plugins/__init__.py
@@ -7,6 +7,7 @@ class BasePlugin:
 	main_query = ''
 	description = ''
 	queries = []
+	group = ''
 
 	@classmethod
 	def matches(cls, query):
@@ -38,9 +39,11 @@ class PluginManager:
 					pass
 				return True
 
-	def get_plugin_string(self, indent=''):
+	def get_plugin_string(self, indent='', group=''):
 		plugins = ''
 		for plugin in self.plugins:
+			if group != 'all' and plugin.group != group:
+				continue
 			description = plugin.description.replace('\n', '\n' + (' ' * 16) + '  ')
 			plugins += f'{indent}{plugin.main_query:16}  {description}\n'
 		return plugins