extensions: deprecate extsetup without a `ui` argument (API)

Authored by mharbison72.

Description

extensions: deprecate extsetup without a ui argument (API)

9.5 years should be enough time, but there were some tests for the old style
still (which are now updated). Exthelper doesn't fallback to the old API, so
this is for consistency.

.. api::

The extension hook ``extsetup`` without a `ui` argument has been deprecated,
and will be removed in the next version.  Add a `ui` argument to avoid the
deprecation warning.

Details

Committed
mharbison72Dec 27 2018, 9:46 PM
Parents
rHGf2601cbce209: largefiles: port revset registration to exthelper
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