view contrib/python-hook-examples.py @ 33629:5544af862286 stable 4.3

chg: define _GNU_SOURCE to allow CentOS 5 compilation

Without this flag, compilation fails with:
 hgclient.c: In function 'hgc_open':
 hgclient.c:466: error: 'O_DIRECTORY' undeclared (first use in this function)
 hgclient.c:466: error: (Each undeclared identifier is reported only once
 hgclient.c:466: error: for each function it appears in.)

Differential Revision: https://phab.mercurial-scm.org/D260

'''
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)))