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