# subrepo.py - sub-repository handling for Mercurial

#

# Copyright 2006, 2007 Matt Mackall <mpm@selenic.com>

#

# This software may be used and distributed according to the terms of the

# GNU General Public License version 2, incorporated herein by reference.

import config, util, errno

def state(ctx):

    p = config.config()

    def read(f, sections=None, remap=None):

        if f in ctx:

            try:

                p.parse(f, ctx[f].data(), sections, remap)

            except IOError, err:

                if err.errno != errno.ENOENT:

                    raise

    read('.hgsub')

    rev = {}

    if '.hgsubstate' in ctx:

        try:

            for l in ctx['.hgsubstate'].data().splitlines():

                revision, path = l.split()

                rev[path] = revision

        except IOError, err:

            if err.errno != errno.ENOENT:

                raise

    state = {}

    for path, src in p[''].items():

        state[path] = (src, rev.get(path, ''))

    return state