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# -*- coding: utf-8 -*-
"""
g_octave.overlay
~~~~~~~~~~~~~~~~
This module implements a function to create an overlay to host the
ebuilds generated by g-octave.
:copyright: (c) 2009-2010 by Rafael Goncalves Martins
:license: GPL-2, see LICENSE for more details.
"""
from __future__ import absolute_import
__all__ = ['create_overlay']
import os
import sys
import shutil
import portage.output
from .config import Config
from .compat import open
config = Config()
out = portage.output.EOutput()
def create_overlay(force=False, quiet=False):
if force and os.path.exists(config.overlay):
shutil.rmtree(config.overlay)
if not os.path.exists(os.path.join(config.overlay, 'profiles', 'repo_name')):
if not quiet:
out.ebegin('Creating overlay: %s' % config.overlay)
try:
# creating dirs
for _dir in ['profiles', 'eclass']:
dir = os.path.join(config.overlay, _dir)
if not os.path.exists(dir) or force:
os.makedirs(dir, 0o755)
# creating files
files = {
os.path.join(config.overlay, 'profiles', 'repo_name'): 'g-octave',
os.path.join(config.overlay, 'profiles', 'categories'): 'g-octave',
}
# symlinking g-octave eclass
local_eclass = os.path.join(
os.path.dirname(os.path.abspath(__file__)),
'..', 'share', 'g-octave.eclass'
)
global_eclass = os.path.join(sys.prefix, 'share', 'g-octave', 'g-octave.eclass')
overlay_eclass = os.path.join(config.overlay, 'eclass', 'g-octave.eclass')
if os.path.exists(local_eclass):
os.symlink(local_eclass, overlay_eclass)
elif os.path.exists(global_eclass):
os.symlink(global_eclass, overlay_eclass)
else:
if not quiet:
out.eend(1)
sys.exit(1)
for _file in files:
if not os.path.exists(_file) or force:
with open(_file, 'w') as fp:
content = files[_file]
if hasattr(content, 'name'):
content = content.read()
fp.write(content)
except:
if not quiet:
out.eend(1)
sys.exit(1)
else:
if not quiet:
out.eend(0)
|
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