1 '''

     2 These are examples of useful hooks in Python for Mercurial.

     3 '''

     4 

     5 from mercurial import patch, util

     6 

     7 

     8 def diffstat(ui, repo, **kwargs):

     9     '''Use it like:

    10 

    11     [hooks]

    12     commit.diffstat = python:/path/to/this/file.py:diffstat

    13     changegroup.diffstat = python:/path/to/this/file.py:diffstat

    14     '''

    15     if kwargs.get('parent2'):

    16         return

    17     node = kwargs['node']

    18     first = repo[node].parents()[0].node()

    19     if 'url' in kwargs:

    20         last = repo['tip'].node()

    21     else:

    22         last = node

    23     diff = patch.diff(repo, first, last)

    24     ui.write(patch.diffstat(util.iterlines(diff)))