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go/lib/time/update.bash
Tobias Klauser 5c9a8c0761 lib/time, time/tzdata: update tz data to 2020a
Updates #22487

Change-Id: I691b4c8ced7bfb368f46ade0be46b2ab3f1820dd
Reviewed-on: https://go-review.googlesource.com/c/go/+/230360
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2020-04-30 08:07:39 +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=2020a
DATA=2020a
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.