view contrib/python-hook-examples.py @ 34283:f94442d46984

uncommit: rename the flag 'empty' to 'keep' which retains empty changeset

This patch renames the flag 'empty' which retains the empty changeset if all
the files are uncommitted to 'keep'.

Differential Revision: https://phab.mercurial-scm.org/D726

'''
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)))