import sys
import os
import re

p4 = "p4 -u smoon -p 20081"
depotPath = "//..."

changeNum = sys.argv[1]

p4files = p4 + " files " + depotPath + "@=" + changeNum

str = os.popen(p4files)
for line in str.readlines():
	pattern = re.compile('(.*)#[0-9]+\s-\s.*$')
 	filename = pattern.match(line)
	print filename.group(1) 
	p4diff = p4 + ' diff2 ' + filename.group(1) + '#head ' + \
		 filename.group(1) + '@' + changeNum

	diffstr = os.popen(p4diff)
	for eline in diffstr.readlines():

		samePattern = re.compile('(.* identical)\r\n$')
		identical = samePattern.match(eline)
		if identical is None:
			print eline
		else:	
			print identical.group(1)
			diffstr.close()
			str.close()
			sys.exit(1)	
	diffstr.close()
str.close()
sys.exit(0)