#!/usr/bin/python

import os
import datetime

script_path = '%s/%s' % (os.environ['BUILT_PRODUCTS_DIR'], os.environ['INFOPLIST_PATH'])
date = datetime.datetime.now().strftime("%Y-%m-%d")
common_svn_paths = ['/usr/bin/svnversion', '/usr/local/bin/svnversion', '/opt/local/bin/svnversion']

svn_path = None
for path in common_svn_paths:
    if os.path.exists(path):
        svn_path = path

version_list = [date]

if svn_path:
    revision = os.popen('%s -n .' % svn_path).read()
    version_list.append("(Revision %s)" % revision)

f = open(script_path, 'r')
version_string = ' '.join(version_list)
new_lines = map(lambda s:s.replace('__myBundleVersion__', version_string), f.readlines());
f.close()

f = open(script_path, 'w')
f.writelines(new_lines)
f.close()