view contrib/python-hook-examples.py @ 40349:1524c305377f

py3: restore perfstartup() prior to b456b2e0ad9f on Windows

Otherwise the test errors out with:

    --- c:/Users/Matt/projects/hg_py3/tests/test-contrib-perf.t
    +++ c:/Users/Matt/projects/hg_py3/tests/test-contrib-perf.t.err
    @@ -184,6 +184,8 @@
       $ hg perfrevrange
       $ hg perfrevset 'all()'
       $ hg perfstartup
    +  'b'c:' is not recognized as an internal or external command,
    +  operable program or batch file.
       $ hg perfstatus
       $ hg perftags
       $ hg perftemplating

'''
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)))