view contrib/python-hook-examples.py @ 12066:d01e28657429

localrepo: introduce method for explicit branch cache update

Currently, localrepo.branchtags() is called in two locations to update the
_branchcache dict, however branchtags() itself does not update anything, it
calls branchmap() to do so. This change introduces a new updatebranchcache()
method that is used by both branchmap() and the calls to update the cache.

'''
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)))