196 Test warning on config option access and registration

   197 

   198   $ cat << EOF > ${TESTTMP}/buggyconfig.py

   199   > """A small extension that tests our developer warnings for config"""

   200   > 

   201   > from mercurial import registrar

   202   > 

   203   > cmdtable = {}

   204   > command = registrar.command(cmdtable)

   205   > 

   206   > @command('buggyconfig')

   207   > def cmdbuggyconfig(ui, repo):

   208   >     repo.ui.config('ui', 'quiet', False)

   209   >     repo.ui.config('ui', 'interactive', None)

   210   > EOF

   211 

   212   $ hg --config "extensions.buggyconfig=${TESTTMP}/buggyconfig.py" buggyconfig

   213   devel-warn: specifying a default value for a registered config item: 'ui.quiet' 'False' at: $TESTTMP/buggyconfig.py:* (cmdbuggyconfig) (glob)

   214