view contrib/python-hook-examples.py @ 9515:f7d85980261c

Add script to rewrite revlog to workaround lack of parent deltas.
Defaults to rewriting the manifest in the current repository.

Based on a patch to rewrite-log by Benoit Boissinot that I found here:
  http://article.gmane.org/gmane.comp.version-control.mercurial.general/11908

'''
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].parents()[0].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)))