topic-revset: update the revset to no longer build changectx
Atribute access is expensive, and changectx are very expensive to build, so we
skip these for better performance.
Before:
! wall 0.012195 comb 0.020000 user 0.020000 sys 0.000000 (best of 217)
After:
! wall 0.008816 comb 0.010000 user 0.010000 sys 0.000000 (best of 303)
(Before this changeset parent)
! wall 0.213261 comb 0.210000 user 0.210000 sys 0.000000 (best of 45)
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.