1#!/bin/bash 2# Copyright 2012 The Go Authors. All rights reserved. 3# Use of this source code is governed by a BSD-style 4# license that can be found in the LICENSE file. 5 6# This script rebuilds the time zone files using files 7# downloaded from the ICANN/IANA distribution. 8# Consult http://www.iana.org/time-zones for the latest versions. 9 10# Versions to use. 11CODE=2017c 12DATA=2017c 13 14set -e 15rm -rf work 16mkdir work 17cd work 18mkdir zoneinfo 19curl -L -O http://www.iana.org/time-zones/repository/releases/tzcode$CODE.tar.gz 20curl -L -O http://www.iana.org/time-zones/repository/releases/tzdata$DATA.tar.gz 21tar xzf tzcode$CODE.tar.gz 22tar xzf tzdata$DATA.tar.gz 23 24# Turn off 64-bit output in time zone files. 25# We don't need those until 2037. 26perl -p -i -e 's/pass <= 2/pass <= 1/' zic.c 27 28make CFLAGS=-DSTD_INSPIRED AWK=awk TZDIR=zoneinfo posix_only 29 30# America/Los_Angeles should not be bigger than 1100 bytes. 31# If it is, we probably failed to disable the 64-bit output, which 32# triples the size of the files. 33size=$(ls -l zoneinfo/America/Los_Angeles | awk '{print $5}') 34if [ $size -gt 1200 ]; then 35 echo 'zone file too large; 64-bit edit failed?' >&2 36 exit 2 37fi 38 39cd zoneinfo 40rm -f ../../zoneinfo.zip 41zip -0 -r ../../zoneinfo.zip * 42cd ../.. 43 44echo 45if [ "$1" = "-work" ]; then 46 echo Left workspace behind in work/. 47else 48 rm -rf work 49fi 50echo New time zone files in zoneinfo.zip. 51 52