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#!/usr/bin/python
# -*- coding: utf-8 -*-
#################################################################################
# LAYMAN BZR OVERLAY HANDLER
#################################################################################
# File: bzr.py
#
# Handles bzr overlays
#
# Copyright:
# (c) 2005 - 2008 Adrian Perez, Gunnar Wrobel
# Distributed under the terms of the GNU General Public License v2
#
# Author(s):
# Adrian Perez <moebius@connectical.net>
# Gunnar Wrobel <wrobel@gentoo.org>
#
'''Should work with any version of Bzr equal to or better than 0.7 --
caution: tested only with 0.8 and 0.8.2...'''
__version__ = "$Id: bzr.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 BzrOverlay(OverlaySource):
''' Handles bzr overlays.'''
type = 'Bzr'
type_key = 'bzr'
def __init__(self, parent, config, _location, ignore = 0):
super(BzrOverlay, 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["bzr_addopts"]
target = path([base, self.parent.name])
if self.src.endswith("/"):
src = self.src
else:
src = self.src + '/'
# bzr get SOURCE TARGET
if len(cfg_opts):
args = ['branch', cfg_opts,
src, target]
else:
args = ['branch', 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["bzr_syncopts"]
target = path([base, self.parent.name])
# bzr pull --overwrite SOURCE
if len(cfg_opts):
args = ['pull', cfg_opts, '--overwrite', self.src]
else:
args = ['pull', '--overwrite', 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(), 'bzr', 'dev-vcs/bzr'),],
self.output.warn)
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