server: always close http socket if responding with an error (issue6033) It's possible for hgweb to respond _very_ early with an error if we're catching certain types of errors. When we do, we need to tell the client the socket is toast when there's a POST involved because otherwise there can be lingering POST data on the socket that will confuse any future requests on the socket. This manifested as a flaky failure on Linux in an lfs extension test and a reliable failure on FreeBSD. With this patch applied, test-lfs-serve-access.t now passes for me on FreeBSD. Differential Revision: https://phab.mercurial-scm.org/D5498

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'''

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Examples of useful python hooks for Mercurial.

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'''

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from __future__ import absolute_import

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from mercurial import (

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    patch,

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    util,

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)

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

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    '''Example usage:

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    [hooks]

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

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

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    '''

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    if kwargs.get('parent2'):

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        return

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    node = kwargs['node']

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    first = repo[node].p1().node()

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    if 'url' in kwargs:

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        last = repo.changelog.tip()

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    else:

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        last = node

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

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