1#!/usr/bin/python
2
3import os
4import subprocess
5import sys
6
7p = os.path.join(os.environ['BUILT_PRODUCTS_DIR'],os.environ['EXECUTABLE_PATH'])
8proc = subprocess.Popen(['codesign', '-v', p],
9                        stderr=subprocess.STDOUT, stdout=subprocess.PIPE)
10o = proc.communicate()[0].strip()
11if "code object is not signed at all" not in o:
12  sys.stderr.write('File should not already be signed.')
13  sys.exit(1)
14