doc/runrst

Use hg role in help strings

#!/usr/bin/env python
#
# runrst - register custom roles and run correct writer
#
# Copyright 2010 Matt Mackall <[e-mail]> and others
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.

"""usage: %s WRITER args...

where WRITER is the name of a Docutils writer such as 'html' or 'manpage'
"""

import sys
from docutils.parsers.rst import roles
from docutils.core import publish_cmdline
from docutils import nodes, utils

def role_hg(name, rawtext, text, lineno, inliner,
            options={}, content=[]):
    node = nodes.literal(rawtext, "hg " + utils.unescape(text, True))
    return [node], []

roles.register_local_role("hg", role_hg)

if __name__ == "__main__":
    if len(sys.argv) < 2:
        sys.stderr.write(__doc__ % sys.argv[0])
        sys.exit(1)

    writer = sys.argv[1]
    del sys.argv[1]

    publish_cmdline(writer_name=writer)