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#!/usr/bin/env python2
# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
import os, re, signal, subprocess, sys
options=[
'--get-hosts',
'--set-hosts',
'--get-verbose',
'--set-verbose',
'--get-log',
'--set-log',
'--update-masquerade',
'--update-masquerade-with-crossdev',
'--help',
'--get-env',
'--set-env'
]
tmpcmdline=sys.argv[1:]
cmdline=[]
eprefix = '@EPREFIX@'
bindir = os.path.join(eprefix, 'usr', 'bin')
sbindir = os.path.join(eprefix, 'usr', 'sbin')
libdir = os.path.join(eprefix, '@libdir@')
sysconfdir = os.path.join(eprefix, 'etc')
gcc_config = os.path.join(bindir, 'gcc-config')
env_update = os.path.join(sbindir, 'env-update')
envfile = os.path.join(sysconfdir, 'env.d', '02distcc')
default_distcc_dir = os.path.join(sysconfdir, 'distcc')
hostfile = os.path.join(default_distcc_dir, 'hosts')
distcc_path = os.path.join(bindir, 'distcc')
dccc_dir = os.path.join(libdir, 'distcc', 'bin')
def exithandler(foo,bar):
os.kill(0,signal.SIGKILL)
sys.exit(1)
signal.signal(signal.SIGINT,exithandler)
def isroot(ret=0):
if os.getuid() != 0:
if ret == 0:
print('!!! %s %s must be run as root' % (sys.argv[:1][0],tmpcmdline[0]))
sys.exit(1)
else:
retval = 0
else:
retval = 1
return retval
def writeenv(var,value):
isroot()
distcc_env = []
distcc_env = open(envfile, 'r').readlines()
distcc_env_new = open(envfile, 'w')
for i in range(len(distcc_env)):
if re.compile(var+'="(.*)"').match(distcc_env[i]):
distcc_env[i] = var+'="'+value+'"\n'
distcc_env_new.write(distcc_env[i])
#print('Set %s to: %s ' % (var,value))
subprocess.Popen(env_update, shell=True)
print('If you want to use these new settings in an existing shell,')
print('you need to "source /etc/profile" to get the changes.')
def readenv(var):
distcc_env = open(envfile, 'r').read()
match = re.compile(var+'="(.*)"').search(distcc_env)
if match:
print(var+'='+match.group(1))
else:
print(var,'not set.')
def installlink(chost='', version=''):
for file in ['gcc', 'cc', 'c++', 'g++']:
if not chost == '':
file = '%s-%s' % (chost,file)
if not version == '':
file = '%s-%s' % (file,version)
path = os.path.join(dccc_dir,file)
if os.path.exists(os.path.join(bindir,file)):
if not os.path.exists(path):
print('Creating %s symlink...' % (path))
os.symlink(distcc_path,path)
#else:
# print('Already exists. Skipping...')
def installlinks():
p = subprocess.Popen([gcc_config+" -C -l"], shell=True, stdout=subprocess.PIPE)
lines = p.stdout.read().rstrip().split('\n')
for line in lines:
columns = line.split()
if len(columns) >= 2:
matches = re.match("(.*)-(.*)", columns[1])
chost = matches.group(1)
version = matches.group(2)
installlink(chost)
installlink(chost, version)
def uninstalllinks():
for root, dirs, files in os.walk(dccc_dir):
for file in files:
os.remove(os.path.join(root, file))
def createdistccdir(dir):
if not os.path.exists(dir):
os.mkdir(dir)
os.chmod(dir, 0o755)
for x in tmpcmdline:
if not x:
continue
if x[0:2]=="--":
if not x in options:
print("!!! Error: %s is an invalid option." % (x))
sys.exit(1)
else:
cmdline = x
if '--get-hosts' in tmpcmdline:
HOSTS_ENV = os.environ.get('DISTCC_HOSTS')
HOSTS_HOME = os.path.join(os.environ.get('HOME'), '.distcc', 'hosts')
if HOSTS_ENV:
print(HOSTS_ENV)
elif os.path.isfile(HOSTS_HOME) and os.path.getsize(HOSTS_HOME) != 0:
print(HOSTS_HOME)
elif os.path.exists(hostfile):
print(open(hostfile, 'r').read().rstrip())
else:
print('No configuration file found. Setup your hosts with --set-hosts.')
elif '--set-hosts' in tmpcmdline:
if isroot(1):
PATH = default_distcc_dir
else:
PATH = os.path.join(os.environ.get('HOME'), '.distcc')
createdistccdir(PATH)
open(os.path.join(PATH, 'hosts'), 'w').write(cmdline + '\n')
elif '--get-verbose' in tmpcmdline:
readenv('DISTCC_VERBOSE')
elif '--set-verbose' in tmpcmdline:
writeenv('DISTCC_VERBOSE',tmpcmdline[1])
elif '--get-log' in tmpcmdline:
readenv('DISTCC_LOG')
elif '--set-log' in tmpcmdline:
writeenv('DISTCC_LOG',tmpcmdline[1])
elif '--update-masquerade' in tmpcmdline:
isroot()
uninstalllinks()
print('Creating symlinks...')
installlink()
installlinks()
elif '--update-masquerade-with-crossdev' in tmpcmdline:
isroot()
uninstalllinks()
print('Creating symlinks...')
installlinks()
elif '--get-env' in tmpcmdline:
if len(tmpcmdline) == 1:
print(open(envfile, 'r').read().rstrip())
elif len(tmpcmdline) == 2:
readenv(tmpcmdline[1])
else:
print('!!! Error: Specify only one variable.')
elif '--set-env' in tmpcmdline:
if len(tmpcmdline) > 2 and len(tmpcmdline) <= 3:
isroot()
writeenv(tmpcmdline[1],tmpcmdline[2])
else:
print('!!! Error: Awaiting two parameters.')
else:
cmd = sys.argv[:1][0]
print('Usage: %s --set-hosts DISTCC_HOSTS | --get-hosts' % (cmd))
print(' %s --set-verbose { 0 | 1 } | --get-verbose' % (cmd))
print(' %s --set-log FILE | --get-log' % (cmd))
print(' %s --set-env VARIABLE VALUE | --get-env [VARIABLE]' % (cmd))
print(' %s --update-masquerade' % (cmd))
print(' %s --update-masquerade-with-crossdev' % (cmd))
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