view contrib/python-hook-examples.py @ 44923:1f114c797961 stable

rebase: avoid clobbering wdir() with --dry-run or --confirm (issue6291)

See 56d3e0b499df for the source of adding originalwd to the list of things that
cause wdir to be updated.  That change didn't come with tests, and attempts to
recreate the scenario described have thus far failed.

Differential Revision: https://phab.mercurial-scm.org/D8489

'''
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)))