diff.py #1

#!/usr/local/bin/python
import sys, os, re, string, makemetricsfiles

made = 0
prev_build_label = sys.argv[1]
build_label = sys.argv[2]
prev_build_label_file = sys.argv[1] + '.label'
build_label_file = sys.argv[2] + '.label'

if not os.path.isfile (build_label_file):
	made = 1
	makemetricsfiles.createlabel ('//depot/...', prev_build_label, build_label)

for line in os.popen( "diff " + prev_build_label_file + " " + build_label_file ).readlines():
    if re.match( r"^\>", line ):
		line = re.sub( r"#.*", "", line )
		line = re.sub( r"\> ", "", line )
		line = string.rstrip( line )
		for diffline in os.popen( "p4 diff2 " + '"' + line + "@" + prev_build_label + '" "' + line + "@" + build_label + '"', 'r' ).readlines():
			diffline = string.rstrip( diffline )
			print diffline
		print "\n\n"

# clean up generated files.
if made == 1:
	os.remove( prev_build_label_file )
	os.remove( build_label_file )