view README-topic @ 2850:a0d6741d4bb8

topics: take locks and start transaction before calling _changetopics

This will help us in calling _changetopics in other transactions which already
started. Currently the _changetopics creates its own transaction and hence can't
be used it a same transaction with any other function or logic.

Topic Extension
================

This packages also provides the ``topic`` experiment in an independent
extension. It implements a new experimental concept to provide lightweight
feature branches for the mutable parts of the history. The experiments is still
at an early stage and have significant usability and performance issues when
enabled.

How to Install
==============

The ``topic`` extension is included into the ``evolve` package, so the same instruction apply.

Using Pip
---------

You can install the latest version using pip::

    $ pip install --user hg-evolve

Then just enable it in you hgrc::

    $ hg config --edit # adds the two line below:
    [extensions]
    topic =

From Source
-----------

To install a local version from source::

    $ hg clone https://www.mercurial-scm.org/repo/evolve/
    $ cd evolve
    $ make install-home

Enable
------

The topic extensions is included in the evolve package. See the install instruction for evolve.

Then enable it in you configuration::

    $ hg config --edit # adds the two line below:
    [extensions]
    topic =

Documentation
-------------

* See 'hg help -e topic' for a generic help.
* See 'hg help topics' and 'hg help stack' for help on specific commands.
* See the 'tests/test-topic-tutorial.t' file for a quick tutorial.