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go/lib/time/update.bash
Alberto Donizetti 20d0991b86 lib/time, time/tzdata: update tzdata to 2020f
Changelog

 'make rearguard_tarballs' no longer generates a bad rearguard.zi,
 fixing a 2020e bug.

No actual changes to timezones data. See

  http://mm.icann.org/pipermail/tz-announce/2020-December/000064.html

Updates #22487

Change-Id: I78f7adba1c3c1d3489b0da870601117b9b8cb0d3
Reviewed-on: https://go-review.googlesource.com/c/go/+/280455
Trust: Alberto Donizetti <alb.donizetti@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
2020-12-30 22:51:30 +00:00

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#!/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=2020f
DATA=2020f
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
make CFLAGS=-DSTD_INSPIRED AWK=awk TZDIR=zoneinfo posix_only
cd zoneinfo
rm -f ../../zoneinfo.zip
zip -0 -r ../../zoneinfo.zip *
cd ../..
go generate time/tzdata
echo
if [ "$1" = "-work" ]; then
echo Left workspace behind in work/.
else
rm -rf work
fi
echo New time zone files in zoneinfo.zip.