#!/usr/bin/perl -w
#
# $Id: //guest/jeffery_g_smith/perforce/utils/sttop4/main/sortmeta.pl#6 $
#
# StarTeam to Perforce Converter, phase IIa: sort metadata
#
# Copyright 1998 Perforce Software.  All rights reserved.
# Based on VSStoP4:
#   Written by James Strickland, April 1998
#   Maintained by Robert Cowham, since 2000
# Updated to support StarTeam conversions:
#   Jeffery G. Smith, MedPlus, Inc. 2004-2005
#
# This script sorts the metadata output (first step in phase II).

require 5.0;
use strict;
use integer;
use lib '.';
use convert;
use Change;

convert::openlog('open');

open(CHANGES, "<$convert::metadata_dir/changes.ns") or die "can't open for read: $!";
open(NEWCHANGES, ">$convert::metadata_dir/changes") or die "can't open for write: $!";

my ($index,$c,@timestamp_and_index);

# read 'em in

for($index=0;$c=get Change(\*CHANGES);$index++) {
  push(@timestamp_and_index, [ $c->timestamp, $index, $c ]);
}


# sort them by timestamp, then file location

@timestamp_and_index =
	sort { ($$a[0] <=> $$b[0]) || ($$b[1] <=> $$a[1]) } @timestamp_and_index;


# write 'em out

my $ti;
foreach $ti (@timestamp_and_index) {
	$$ti[2]->put(\*NEWCHANGES);
}

close(CHANGES); close(NEWCHANGES);

unlink("$convert::metadata_dir/changes.ns"); # delete the "not sorted" version