WebKitTools/Scripts/update-webkit-auxiliary-libs

   1 #!/usr/bin/perl -w
   2
   3 # Copyright (C) 2005, 2006, 2007 Apple Computer, Inc.  All rights reserved.
   4 #
   5 # Redistribution and use in source and binary forms, with or without
   6 # modification, are permitted provided that the following conditions
   7 # are met:
   8 #
   9 # 1.  Redistributions of source code must retain the above copyright
  10 #     notice, this list of conditions and the following disclaimer.
  11 # 2.  Redistributions in binary form must reproduce the above copyright
  12 #     notice, this list of conditions and the following disclaimer in the
  13 #     documentation and/or other materials provided with the distribution.
  14 # 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
  15 #     its contributors may be used to endorse or promote products derived
  16 #     from this software without specific prior written permission.
  17 #
  18 # THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  19 # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  20 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  21 # DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  22 # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  23 # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  24 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  25 # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28
  29 # Updates a development environment to the new WebKitAuxiliaryLibrary
  30
  31 use strict;
  32 use warnings;
  33
  34 use HTTP::Date qw(str2time);
  35 use File::Find;
  36 use File::Temp;
  37 use File::Spec;
  38 use FindBin;
  39 use lib $FindBin::Bin;
  40 use webkitdirs;
  41
  42 sub lastModifiedToUnixTime($);
  43
  44 # Time in seconds that the new zip file must be newer than the old for us to
  45 # consider them to be different. If the difference in modification time is less
  46 # than this threshold, we assume that the files are the same. We need this
  47 # because the zip file is served from a set of mirrors with slightly different
  48 # Last-Modified times.
  49 my $newnessThreshold = 30;
  50
  51 my $sourceDir = sourceDir();
  52 my $file = "WebKitAuxiliaryLibrary";
  53 my $zipFile = "$file.zip";
  54 my $auxiliaryLibsURL = "http://developer.apple.com/opensource/internet/$zipFile";
  55 my $webkitLibrariesDir = toUnixPath($ENV{'WEBKITLIBRARIESDIR'}) || "$sourceDir/WebKitLibraries/win";
  56 my $tmpDir = File::Spec->rel2abs(File::Temp::tempdir("webkitlibsXXXXXXX", TMPDIR => 1, CLEANUP => 1));
  57
  58 print "Checking Last-Modified date of $zipFile...\n";
  59
  60 my $result = system "curl -s -I $auxiliaryLibsURL | grep Last-Modified > \"$tmpDir/$file.headers\"";
  61 print STDERR "Couldn't check Last-Modified date of new $zipFile.\n" if $result;
  62
  63 if (!$result && open NEW, "$tmpDir/$file.headers") {
  64     my $new = lastModifiedToUnixTime(<NEW>);
  65     close NEW;
  66
  67     if (defined $new && open OLD, "$webkitLibrariesDir/$file.headers") {
  68         my $old = lastModifiedToUnixTime(<OLD>);
  69         close OLD;
  70         if (defined $old && abs($new - $old) < $newnessThreshold) {
  71             print "Current $file is up to date\n";
  72             exit 0;
  73         }
  74     }
  75 }
  76
  77 print "Downloading $zipFile...\n\n";
  78 $result = system "curl -o \"$tmpDir/$zipFile\" $auxiliaryLibsURL";
  79 die "Couldn't download $zipFile!" if $result;
  80
  81 $result = system "unzip", "-q", "-d", $tmpDir, "$tmpDir/$zipFile";
  82 die "Couldn't unzip $zipFile." if $result;
  83
  84 print "\nInstalling $file...\n";
  85
  86 sub wanted
  87 {
  88     my $relativeName = File::Spec->abs2rel($File::Find::name, "$tmpDir/$file/win");
  89     my $destination = "$webkitLibrariesDir/$relativeName";
  90
  91     if (-d $_) {
  92         mkdir $destination;
  93         return;
  94     }
  95
  96     system "cp", $_, $destination;
  97 }
  98
  99 File::Find::find(\&wanted, "$tmpDir/$file");
 100
 101 $result = system "mv", "$tmpDir/$file.headers", $webkitLibrariesDir;
 102 print STDERR "Couldn't move $file.headers to $webkitLibrariesDir" . ".\n" if $result;
 103
 104 print "The $file has been sucessfully installed in\n $webkitLibrariesDir\n";
 105 exit;
 106
 107 sub toUnixPath
 108 {
 109     my $path = shift;
 110     return unless $path;
 111     chomp($path = `cygpath -u '$path'`);
 112     return $path;
 113 }
 114
 115 sub lastModifiedToUnixTime($)
 116 {
 117     my ($str) = @_;
 118
 119     $str =~ /^Last-Modified: (.*)$/ or return;
 120     return str2time($1);
 121 }