Show hidden commands in help completion.

Hidden commands are not shown in command completion as they typically
would not be run directly. However, a user might still might like to see
help for them if, for example, they are writing a script or creating a
binding.

Addresses #1707.

qutebrowser/completion/models/miscmodels.py

@@ -75,8 +75,8 @@ class HelpCompletionModel(base.BaseCompletionModel):
         assert cmdutils.cmd_dict
         cmdlist = []
         for obj in set(cmdutils.cmd_dict.values()):
-            if (obj.hide or (obj.debug and not objreg.get('args').debug) or
-                    obj.deprecated):
+            if ((obj.debug and not objreg.get('args').debug) or
+                obj.deprecated):
                 pass
             else:
                 cmdlist.append((':' + obj.name, obj.desc))

tests/unit/completion/test_models.py

@@ -193,7 +193,7 @@ def test_help_completion(qtmodeltester, monkeypatch, stubs):
     """Test the results of command completion.
 
     Validates that:
-        - only non-hidden and non-deprecated commands are included
+        - only non-deprecated commands are included
         - commands are sorted by name
         - the command description is shown in the desc column
         - the binding (if any) is shown in the misc column
@@ -211,8 +211,9 @@ def test_help_completion(qtmodeltester, monkeypatch, stubs):
     assert actual == [
         ("Commands", [
             (':drop', 'drop all user data', ''),
+            (':hide', '', ''),
             (':roll', 'never gonna give you up', ''),
-            (':stop', 'stop qutebrowser', '')
+            (':stop', 'stop qutebrowser', ''),
         ]),
         ("Settings", [
             ('general->time', 'Is an illusion.', ''),