| #!/bin/bash |
| # Copyright 2012 The Go Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style |
| # license that can be found in the LICENSE file. |
| |
| # This script rebuilds the time zone files using files |
| # downloaded from the ICANN/IANA distribution. |
| # Consult https://www.iana.org/time-zones for the latest versions. |
| |
| # Versions to use. |
| CODE=2017c |
| DATA=2017c |
| |
| set -e |
| rm -rf work |
| mkdir work |
| cd work |
| mkdir zoneinfo |
| curl -L -O https://www.iana.org/time-zones/repository/releases/tzcode$CODE.tar.gz |
| curl -L -O https://www.iana.org/time-zones/repository/releases/tzdata$DATA.tar.gz |
| tar xzf tzcode$CODE.tar.gz |
| tar xzf tzdata$DATA.tar.gz |
| |
| # Turn off 64-bit output in time zone files. |
| # We don't need those until 2037. |
| perl -p -i -e 's/pass <= 2/pass <= 1/' zic.c |
| |
| make CFLAGS=-DSTD_INSPIRED AWK=awk TZDIR=zoneinfo posix_only |
| |
| # America/Los_Angeles should not be bigger than 1100 bytes. |
| # If it is, we probably failed to disable the 64-bit output, which |
| # triples the size of the files. |
| size=$(ls -l zoneinfo/America/Los_Angeles | awk '{print $5}') |
| if [ $size -gt 1200 ]; then |
| echo 'zone file too large; 64-bit edit failed?' >&2 |
| exit 2 |
| fi |
| |
| cd zoneinfo |
| rm -f ../../zoneinfo.zip |
| zip -0 -r ../../zoneinfo.zip * |
| cd ../.. |
| |
| echo |
| if [ "$1" = "-work" ]; then |
| echo Left workspace behind in work/. |
| else |
| rm -rf work |
| fi |
| echo New time zone files in zoneinfo.zip. |