#!/usr/bin/env spython

# Einar Karttunen 9.6.2001 <ekarttun@cs.helsinki.fi>
# this file must be distributed under GNU GPL

import os
import sys

if os.getuid()!=0:
	print "!!! etc-update must be run by root"
	sys.exit(1)

import commands
import portage
import string
import re

if not portage.settings["CONFIG_PROTECT"]:
	print "no CONFIG_PROTECTed directories"
	sys.exit(2)

req = re.compile('\._cfg\d\d\d\d_')
for d in string.split(portage.settings["CONFIG_PROTECT"]):
	if os.path.isdir(d):
		r = commands.getstatusoutput("find "+d+" -iname '._cfg????_*'")
		if r[0] == 0:
			for file in string.split(r[1]):
				path, bare = re.split(req,file)
				bare = path + bare
				print "new: "+file+" orig: "+bare
				os.system("diff -Bbs "+file+" "+bare)
				r = raw_input("overwrite old "+bare+" with new? [yN] ")
				if r == 'y':
					os.system('mv -fv '+file+' '+bare)
		else:
			print "error in 'find'"