view contrib/python-hook-examples.py @ 19928:d1ac3790e10a

localrepo: invoke only feature setup functions for enabled extensions

Before this patch, each feature setup functions for localrepository
class should examine whether corresponding extension is enabled or not
by themselves.

This patch invokes only feature setup functions defined in module of
enabled extensions, and it makes implementation of feature setup
functions easier and simpler.

'''
Examples of useful python hooks for Mercurial.
'''
from mercurial import patch, util

def diffstat(ui, repo, **kwargs):
    '''Example usage:

    [hooks]
    commit.diffstat = python:/path/to/this/file.py:diffstat
    changegroup.diffstat = python:/path/to/this/file.py:diffstat
    '''
    if kwargs.get('parent2'):
        return
    node = kwargs['node']
    first = repo[node].p1().node()
    if 'url' in kwargs:
        last = repo['tip'].node()
    else:
        last = node
    diff = patch.diff(repo, first, last)
    ui.write(patch.diffstat(util.iterlines(diff)))