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#!/usr/bin/python
# -*- coding: utf-8 -*-
#################################################################################
# LAYMAN GIT OVERLAY HANDLER
#################################################################################
# File: git.py
#
# Handles git overlays
#
# Copyright:
# (c) 2005 - 2008 Gunnar Wrobel, Stefan Schweizer
# Distributed under the terms of the GNU General Public License v2
#
# Author(s):
# Gunnar Wrobel <wrobel@gentoo.org>
# Stefan Schweizer <genstef@gentoo.org>
''' Git overlay support.'''
__version__ = "$Id: git.py 146 2006-05-27 09:52:36Z wrobel $"
#===============================================================================
#
# Dependencies
#
#-------------------------------------------------------------------------------
from layman.utils import path
from layman.overlays.source import OverlaySource, require_supported
#===============================================================================
#
# Class GitOverlay
#
#-------------------------------------------------------------------------------
class GitOverlay(OverlaySource):
''' Handles git overlays.'''
type = 'Git'
type_key = 'git'
def __init__(self, parent, config, _location, ignore = 0):
super(GitOverlay, self).__init__(parent, config,
_location, ignore)
self.subpath = None
def add(self, base):
'''Add overlay.'''
if not self.supported():
return 1
def fix_git_source(source):
# http:// should get trailing slash, other protocols shouldn't
if source.split(':')[0] == 'http':
return source + '/'
return source
cfg_opts = self.config["git_addopts"]
target = path([base, self.parent.name])
# git clone [-q] SOURCE TARGET
args = ['clone']
if self.config['quiet']:
args.append('-q')
if len(cfg_opts):
args.append(cfg_opts)
args.append(fix_git_source(self.src))
args.append(target)
return self.postsync(
# adding cwd=base due to a new git bug in selinux due to
# not having user_home_dir_t and portage_fetch_t permissions
# but changing dir works around it.
self.run_command(self.command(), args, cmd=self.type, cwd=base),
cwd=target)
def sync(self, base):
'''Sync overlay.'''
self.output.debug("git.sync(); starting...%s" % self.parent.name, 6)
if not self.supported():
return 1
cfg_opts = self.config["git_syncopts"]
target = path([base, self.parent.name])
args = ['pull']
if self.config['quiet']:
args.append('-q')
if len(cfg_opts):
args.append(cfg_opts)
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(), 'git', 'dev-vcs/git'),],
self.output.warn)
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