view contrib/python-hook-examples.py @ 19199:d6d0f1ed8ebb

bundle-ng: move bundler creation up in the stack

Create a simple start() method to pass the lookup function until bundler
becomes smarter and gets a repo object.

Since we now create the bundler for the whole lifetime, we need to pass it
down to revlog methods.

'''
Examples of useful python hooks for Mercurial.
'''
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)))