* luci/build: add zoneinfo2lua.pl utility

build/zoneinfo2lua.pl

@@ -0,0 +1,68 @@
+#!/usr/bin/perl
+# zoneinfo2lua.pl - Make Lua module from /usr/share/zoneinfo
+# Execute from within /usr/share/zoneinfo
+# $Id$
+
+use strict;
+
+my %TZ;
+
+local $/ = "\012";
+open( ZTAB, "< ./zone.tab" ) || die "Unable to open zone.tab: $!";
+
+while( ! eof ZTAB ) {
+	chomp( my $line = readline ZTAB );
+	next if $line =~ /^#/ || $line =~ /^\s+$/;
+
+	my ( undef, undef, $zone, @comment ) = split /\s+/, $line;
+
+	printf STDERR "%-40s", $zone;
+
+	if( open ZONE, "< ./$zone" ) {
+		seek ZONE, -2, 2;
+
+		while( tell(ZONE) > 0 ) {
+			read ZONE, my $char, 1;
+			( $char eq "\012" ) ? last : seek ZONE, -2, 1;
+		}
+
+		chomp( my $tz = readline ZONE );
+		print STDERR ( $tz || "(no tzinfo found)" ), "\n";
+		close ZONE;
+
+		if( $tz ) {
+			$zone =~ s/_/ /g;
+			$TZ{$zone} = $tz;
+		}
+	}
+	else
+	{
+		print STDERR "Unable to open $zone: $!\n";
+	}
+}
+
+close ZTAB;
+
+
+print <<HEAD;
+--[[
+LuCI - Autogenerated Zoneinfo Module
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+]]--
+
+module "luci.sys.zoneinfo"
+
+TZ = {
+HEAD
+
+foreach my $zone ( sort keys %TZ ) {
+	printf "\t{ '%s', '%s' },\n", $zone, $TZ{$zone}
+}
+
+print "}\n";