view contrib/python-hook-examples.py @ 34333:4ac04418ce66

dirstate: move nonnormalentries to dirstatemap

As part of moving dirstate storage to its own class, let's move the
nonnormalentries logic onto the dirstatemap class. This will let extensions
replace the nonnormalentries logic with a persisted cache.

Differential Revision: https://phab.mercurial-scm.org/D753

'''
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)))