#!/usr/bin/python
import sys
import re

# Match the <day> <month> <year> format we use to find
# where entries begin
date_regex = re.compile("\d{2} \w{3} \d{4};")

# + is used in package names (for example gtk+) so try to handle that
ebuild_regex = re.compile("((,|\s)\+[\S\+]+\.ebuild)")

def check_changelog(file):
	f = open(file)
	lines = f.readlines()
	n=0
	length = len(lines)
	file_printed = False
	while n < length:
		line = lines[n]
		if date_regex.search(line):
			while True:
				for m in ebuild_regex.findall(line):
					# remove + and trailing .ebuild
					to_find = m[0][2:-7]
					i = n-1
					match = False
					while i >= 0 and not match:
						match = lines[i].startswith("*" + to_find)
						i-=1
					if not match:
						if not file_printed:
							print file + " is missing *${P} (date) entries for:"
							file_printed = True
						print "\tnew ebuild entry on line " + str(n+1)
				n+=1
				if line.find(":") >= 0 or n == length:
					break
				line = lines[n]
		n+=1	
	f.close()

for ch in sys.argv[1:]:
	check_changelog(ch)