view contrib/python-hook-examples.py @ 40945:ebc471ce9fad

py3: add a missing b'' prefix in contrib/perf.py

# skip-blame because just b'' prefixes

This fixes test-contrib-perf.t on Python 3 which started failing.

Differential Revision: https://phab.mercurial-scm.org/D5421

'''
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.changelog.tip()
    else:
        last = node
    diff = patch.diff(repo, first, last)
    ui.write(patch.diffstat(util.iterlines(diff)))