# Copyright (c) 2009-2010 Symbian Foundation Ltd

# This component and the accompanying materials are made available

# under the terms of the License "Eclipse Public License v1.0"

# which accompanies this distribution, and is available

# at the URL "http://www.eclipse.org/legal/epl-v10.html".

#

# Initial Contributors:

# Symbian Foundation Ltd - initial contribution.

#

# Contributors:

# mattd <mattd@symbian.org>

#

# Description:

# DBR cleanenv - cleans your environment

import dbrutils

import dbrenv

import re #temporary for dealing with patches

import os

def run(args):  

  zippath = '/'

  if(len(args)):

    zippath = args[0]

  #This block is a cut'n'paste from checkenv...we call call that instead... 

  location = '/'

#needs a fix to scanenv for this to work...  

#  if(len(args)):

#    location = args[0]

  db = dbrenv.CreateDB(location)

  local = dbrenv.DBRLocalEnv(location)

  results = db.compare(local)

  local.verify(results.unknown)

  results2 = db.compare(local)

  db.update(local, results2.touched)

  #cleaning

  dbrutils.deletefiles(sorted(results2.added))

  required = results2.changed | results2.removed

  dbrutils.extractfiles(required, zippath)

  #do something about the patches here...

  print 'Need to extract the patches in a nicer manner!!!'

  dbrutils.extractfiles(required, os.path.join(location,dbrutils.patch_path_internal()))

  #scan again...create a new 'local'   

  local = dbrenv.DBRLocalEnv(location)

  local.verify(required)

  results3 = db.compare(local)

  db.update(local, results3.touched)

  db.save()

  results3.printdetail()

  results3.printsummary()  

def help():

  print "Cleans the current environment"

  print "Usage\n\tdbr cleanenv (<baseline_zip_path>)"

  print "\nDefault behaviour presumes baselie zips exist at the root"