generate revision 8f78ddb422173de7ce0bc5b8080db6f486bd66c9 
1#!/bin/bash
2# Run with no arguments from any directory, with no special setup required.
3
4# Abort if any command returns an error exit status, or if an undefined
5# variable is used.
6set -e
7set -u
8
9echo "Looking for bionic..."
10bionic_dir=$(cd $(dirname $0)/../../.. && pwd)
11bionic_zoneinfo_dir=$bionic_dir/libc/zoneinfo
12bionic_zoneinfo_tools_dir=$bionic_dir/libc/tools/zoneinfo
13if [[ ! -d "$bionic_zoneinfo_dir" || ! -d "$bionic_zoneinfo_tools_dir" ]]; then
14  echo "Can't find bionic's zoneinfo directories!"
15  exit 1
16fi
17
18echo "Switching to temporary directory..."
19temp_dir=`mktemp -d`
20cd $temp_dir
21trap "rm -rf $temp_dir; exit" INT TERM EXIT
22
23# URL from "Sources for Time Zone and Daylight Saving Time Data"
24# http://www.twinsun.com/tz/tz-link.htm
25echo "Looking for new tzdata..."
26wget -N --no-verbose 'ftp://munnari.oz.au/pub/tzdata*.tar.gz'
27zoneinfo_version_file=$bionic_zoneinfo_dir/zoneinfo.version
28if [ -f "$zoneinfo_version_file" ]; then
29  current_version=tzdata`sed s/\n// < $zoneinfo_version_file`
30else
31  current_version=missing
32fi
33latest_archive=`ls -r -v tzdata*.tar.gz | head -n1`
34latest_version=`basename $latest_archive .tar.gz`
35if [ "$current_version" == "$latest_version" ]; then
36  echo "You already have the latest tzdata ($latest_version)!"
37  exit 1
38fi
39
40md5_sum=`md5sum $latest_archive`
41echo "MD5: $md5_sum"
42
43echo "Extracting $latest_version..."
44mkdir $latest_version
45tar -C $latest_version -zxf $latest_archive
46
47echo "Compiling $latest_version..."
48mkdir data
49for i in \
50    africa \
51    antarctica \
52    asia \
53    australasia \
54    etcetera \
55    europe \
56    factory \
57    northamerica \
58    solar87 \
59    solar88 \
60    solar89 \
61    southamerica
62do
63    zic -d data $latest_version/$i
64done
65
66echo "Compacting $latest_version..."
67(
68    cat $latest_version/* | grep '^Link' | awk '{print $1, $2, $3}'
69    (
70        cat $latest_version/* | grep '^Zone' | awk '{print $2}'
71        cat $latest_version/* | grep '^Link' | awk '{print $3}'
72    ) | LC_ALL="C" sort
73) | grep -v Riyadh8 > setup
74
75javac -d . \
76    $bionic_zoneinfo_tools_dir/ZoneCompactor.java \
77    $bionic_zoneinfo_tools_dir/ZoneInfo.java
78java ZoneCompactor setup data
79
80echo "Updating bionic to $latest_version..."
81mv zoneinfo.dat zoneinfo.idx $bionic_zoneinfo_dir
82echo $latest_version | sed 's/tzdata//' > $bionic_zoneinfo_dir/zoneinfo.version
83