view contrib/python-hook-examples.py @ 47385:9d9eb22b9b69

revlog: no longer return sidedata from `_revisiondata`

All users have been migrated.

When they was introduced sidedata where grouped with the actual revision data
and unpacking one came with the other. Sidedata moved be stored "independently"
and it no longer make sense to retrieve both at the same time unconditionnaly.

Differential Revision: https://phab.mercurial-scm.org/D10783

'''
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)))