ostree/src/ostbuild/pyostbuild/builtin_prefix.py

74 lines
2.5 KiB
Python
Executable File

# Copyright (C) 2011,2012 Colin Walters <walters@verbum.org>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
# ostbuild-compile-one-make wraps systems that implement the GNOME build API:
# http://people.gnome.org/~walters/docs/build-api.txt
import os,sys,stat,subprocess,tempfile,re,shutil
import argparse
from StringIO import StringIO
import json
from . import builtins
from .ostbuildlog import log, fatal
from .subprocess_helpers import run_sync, run_sync_get_output
from . import buildutil
class OstbuildPrefix(builtins.Builtin):
name = "prefix"
short_description = "Display or modify \"prefix\" (build target)"
def __init__(self):
builtins.Builtin.__init__(self)
def _set_prefix(self, prefix):
f = open(self.path, 'w')
f.write(prefix)
f.write('\n')
f.close()
log("Prefix is now %r" % (prefix, ))
def execute(self, argv):
parser = argparse.ArgumentParser(description=self.short_description)
parser.add_argument('-a', '--active', action='store_true')
parser.add_argument('prefix', nargs='?', default=None)
args = parser.parse_args(argv)
self.path = os.path.expanduser('~/.config/ostbuild-prefix')
if args.prefix is None and not args.active:
if os.path.exists(self.path):
f = open(self.path)
print "%s" % (f.read().strip(), )
f.close()
else:
log("No currently active prefix")
elif args.prefix is not None and args.active:
fatal("Can't specify -a with prefix")
elif args.prefix is not None:
self._set_prefix(args.prefix)
else:
assert args.active
self.parse_active_branch()
active_prefix = self.active_branch_contents['prefix']
self._set_prefix(active_prefix)
builtins.register(OstbuildPrefix)