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. 11 CODE=2016j 12 DATA=2016j 13 14 set -e 15 rm -rf work 16 mkdir work 17 cd work 18 mkdir zoneinfo 19 curl -O http://www.iana.org/time-zones/repository/releases/tzcode$CODE.tar.gz 20 curl -O http://www.iana.org/time-zones/repository/releases/tzdata$DATA.tar.gz 21 tar xzf tzcode$CODE.tar.gz 22 tar xzf tzdata$DATA.tar.gz 23 24 # Turn off 64-bit output in time zone files. 25 # We don't need those until 2037. 26 perl -p -i -e 's/pass <= 2/pass <= 1/' zic.c 27 28 make 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. 33 size=$(ls -l zoneinfo/America/Los_Angeles | awk '{print $5}') 34 if [ $size -gt 1200 ]; then 35 echo 'zone file too large; 64-bit edit failed?' >&2 36 exit 2 37 fi 38 39 cd zoneinfo 40 rm -f ../../zoneinfo.zip 41 zip -0 -r ../../zoneinfo.zip * 42 cd ../.. 43 44 echo 45 if [ "$1" == "-work" ]; then 46 echo Left workspace behind in work/. 47 else 48 rm -rf work 49 fi 50 echo New time zone files in zoneinfo.zip. 51 52
