github.com/razvanm/vanadium-go-1.3@v0.0.0-20160721203343-4a65068e5915/lib/time/update.bash (about)

     1  #!/bin/sh
     2  # Copyright 2012 The Go Authors.  All rights reserved.
     3  # Use of this source code is governed by a BSD-style
     4  # license that can be found in the LICENSE file.
     5  
     6  # This script rebuilds the time zone files using files
     7  # downloaded from the ICANN/IANA distribution.
     8  
     9  # Versions to use.
    10  CODE=2014d
    11  DATA=2014d
    12  
    13  set -e
    14  rm -rf work
    15  mkdir work
    16  cd work
    17  mkdir zoneinfo
    18  curl -O http://www.iana.org/time-zones/repository/releases/tzcode$CODE.tar.gz
    19  curl -O http://www.iana.org/time-zones/repository/releases/tzdata$DATA.tar.gz
    20  tar xzf tzcode$CODE.tar.gz
    21  tar xzf tzdata$DATA.tar.gz
    22  
    23  # Turn off 64-bit output in time zone files.
    24  # We don't need those until 2037.
    25  perl -p -i -e 's/pass <= 2/pass <= 1/' zic.c
    26  
    27  make CFLAGS=-DSTD_INSPIRED AWK=awk TZDIR=zoneinfo posix_only
    28  
    29  # America/Los_Angeles should not be bigger than 1100 bytes.
    30  # If it is, we probably failed to disable the 64-bit output, which
    31  # triples the size of the files.
    32  size=$(ls -l zoneinfo/America/Los_Angeles | awk '{print $5}')
    33  if [ $size -gt 1200 ]; then
    34  	echo 'zone file too large; 64-bit edit failed?' >&2
    35  	exit 2
    36  fi
    37  
    38  cd zoneinfo
    39  rm -f ../../zoneinfo.zip
    40  zip -0 -r ../../zoneinfo.zip *
    41  cd ../..
    42  
    43  echo
    44  if [ "$1" == "-work" ]; then 
    45  	echo Left workspace behind in work/.
    46  else
    47  	rm -rf work
    48  fi
    49  echo New time zone files in zoneinfo.zip.
    50