view contrib/python-hook-examples.py @ 34098:d8245139e720

changegroup: replace getlocalchangegroupraw with makestream

As part of reducing the number of changegroup creation apis, let's replace calls
to getlocalchangegroupraw with calls to makestream. Aside from one case of
checking if there are no outgoing commits and returning None, this is pretty
much a drop in replacement.

Differential Revision: https://phab.mercurial-scm.org/D666

'''
Examples of useful python hooks for Mercurial.
'''
from __future__ import absolute_import
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)))