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#!/usr/bin/python
# -*- coding: utf-8 -*-
#################################################################################
# LAYMAN DARCS OVERLAY HANDLER
#################################################################################
# File: darcs.py
#
# Handles darcs overlays
#
# Copyright:
# (c) 2005 - 2008 Gunnar Wrobel, Andres Loeh
# Distributed under the terms of the GNU General Public License v2
#
# Author(s):
# Gunnar Wrobel <wrobel@gentoo.org>
# Andres Loeh <kosmikus@gentoo.org>
#
''' Darcs overlay support.'''
__version__ = "$Id: darcs.py 236 2006-09-05 20:39:37Z wrobel $"
#===============================================================================
#
# Dependencies
#
#-------------------------------------------------------------------------------
from layman.utils import path
from layman.overlays.source import OverlaySource, require_supported
#===============================================================================
#
# Class BzrOverlay
#
#-------------------------------------------------------------------------------
class DarcsOverlay(OverlaySource):
''' Handles darcs overlays.'''
type = 'Darcs'
type_key = 'darcs'
def __init__(self, parent, config, _location, ignore = 0):
super(DarcsOverlay, self).__init__(parent, config,
_location, ignore)
self.subpath = None
def add(self, base):
'''Add overlay.'''
if not self.supported():
return 1
cfg_opts = self.config["darcs_addopts"]
target = path([base, self.parent.name])
# darcs get --partial SOURCE TARGET
if len(cfg_opts):
args = ['get', '--partial', cfg_opts,
self.src + '/', target]
else:
args = ['get', '--partial',
self.src + '/', target]
return self.postsync(
self.run_command(self.command(), args, cmd=self.type),
cwd=target)
def sync(self, base):
'''Sync overlay.'''
if not self.supported():
return 1
cfg_opts = self.config["darcs_addopts"]
target = path([base, self.parent.name])
# darcs pull --all SOURCE
if len(cfg_opts):
args = ['pull', '--all', cfg_opts, self.src]
else:
args = ['pull', '--all', self.src]
return self.postsync(
self.run_command(self.command(), args, cwd=target, cmd=self.type),
cwd=target)
def supported(self):
'''Overlay type supported?'''
return require_supported(
[(self.command(), 'darcs', 'dev-vcs/darcs'),],
self.output.warn)
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