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go/lib/time/update.bash
Ian Lance Taylor 99fa49e4b7 lib/time, time/tzdata: update to 2021e
Doing this a little early in the release cycle as there have been some
changes in the handling of old timezones. They should continue to
work as expected, but more testing time may be useful.

For #22487

Change-Id: I3686fed79a052c46112445055044cff5842f2a45
Reviewed-on: https://go-review.googlesource.com/c/go/+/362874
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
2021-11-11 05:16:39 +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=2021e
DATA=2021e
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.