sorter

#! /usr/bin/env python2.6
# vi: expandtab ts=4 sw=4
#
# Takes a 'manifest' style file and outputs a sorted version, warning about
# any duplicates.
#

import os
import sys

files = {}
filename = 'manifest'

# if filename is passed as first argument, use that file instead
if len(sys.argv) >= 2 and os.path.isfile(sys.argv[1]):
    filename = sys.argv[1]

for line in open(filename).readlines():
    line = line.strip()
    if len(line) == 0 or line[0] == '#':
        continue
    fields = line.split(' ')
    if len(fields) < 2:
        sys.stderr.write("WARNING: unexpected manifest line: '%s' (removing)\n" % line)
        continue
    if fields[1] in files and not (
            # Don't warn about same directory with identical properties.
            fields[0] == 'd' and files[fields[1]] == line):
        sys.stderr.write("WARNING: duplicate entry for '%s'\n" % fields[1])
    files[fields[1]] = line

for key in sorted(files):
    print files[key].rstrip(' ')