1 from mercurial import util, ui

        2 from mercurial.i18n import gettext as _

        3 from mercurial.node import *

        4 import fnmatch,re

        5 

        6 def forbid_external(ui, repo, hooktype, node, **kwargs):

        7     halt = False

        8     for rev in xrange(repo.changelog.rev(bin(node)), repo.changelog.count()):

        9         c = repo.changectx(rev)

       10         file_matcher = re.compile(r'^.+/external/.+\.(zip|jar|gz|bz2|gem|dll)$')

       11         content_matcher = re.compile(r'^<<<EXTERNAL (([0-9A-F]{40})-([a-zA-Z0-9._+-]+))>>>\n$')

       12         for f in c.files():

       13             if f not in c:

       14                 continue

       15             if not file_matcher.match(c[f].path()):

       16                 continue

       17             data = c[f].data()

       18             if not content_matcher.match(data):

       19                 if not halt:

       20                     ui.warn(_('Malformed content of binary: %s\n') % c[f].path())

       21                 ui.warn(_('in %s: %s\n') % (short(c.node()), f))

       22                 halt = True

       23     if halt and hooktype == 'pretxnchangegroup':

       24         ui.warn(_('\nTo prevent this mistake in your local repository,\n'

       25                   'add to your resitory .hg/hgrc:\n'

       26                   '\n'

       27                   '[hooks[extensions]\n'

       28                   'external = /path-to-external-hook/external.py\n'

       29                   '[encode]\n'

       30                   '# To preauthenticate, use: https://jhacker:secret@hg.netbeans.org/binaries/upload\n'

       31                   '*/external/*.{zip,jar,gz,bz2,gem,dll} = upload: https://hg.netbeans.org/binaries/upload\n'

       32                   '[decode]\n'

       33                   '*/external/*.{zip,jar,gz,bz2,gem,dll} = download: http://hg.netbeans.org/binaries/\n'))

       34     return halt