Add command authoring error. (Azure#5031)

timwarner-msft · Dec 4, 2017 · 9656401 · 9656401
1 parent e8668d6
commit 9656401
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/azure-cli-core/azure/cli/core/commands/__init__.py b/src/azure-cli-core/azure/cli/core/commands/__init__.py
@@ -893,6 +893,10 @@ def extra(self, dest, **kwargs):
         if not self._applicable():
             return
 
+        if self.scope not in self.command_loader.command_table:
+            raise ValueError("command authoring error: extra argument '{}' cannot be registered to a group-level "\
+                             "scope '{}'. It must be registered to a specific command.".format(dest, self.scope))
+
         merged_kwargs = self.group_kwargs.copy()
         merged_kwargs.update(kwargs)
         if self.command_loader.supported_api_version(resource_type=merged_kwargs.get('resource_type'),