view contrib/python-hook-examples.py @ 40062:b6c2543e1dd8

filectx: correct docstring about "changeid"

The changeid argument must be a revnum (basefile.rev() is defined as
"return self._changeid"), so fix the lie in the docstring. It seems to
have been incorrect for at least 10 years (I didn't check further
back).

Differential Revision: https://phab.mercurial-scm.org/D4881

'''
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)))