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 File::Find;

    35 use File::Spec;

    36 use File::Temp ();

    37 use FindBin;

    38 use HTTP::Date qw(str2time);

    39 use POSIX;

    40 use lib $FindBin::Bin;

    41 use webkitdirs;

    42 

    43 sub lastModifiedToUnixTime($);

    44 

    45 # Time in seconds that the new zip file must be newer than the old for us to

    46 # consider them to be different. If the difference in modification time is less

    47 # than this threshold, we assume that the files are the same. We need this

    48 # because the zip file is served from a set of mirrors with slightly different

    49 # Last-Modified times.

    50 my $newnessThreshold = 30;

    51 

    52 my $sourceDir = sourceDir();

    53 my $file = "WebKitAuxiliaryLibrary";

    54 my $zipFile = "$file.zip"; 

    55 my $auxiliaryLibsURL = "http://developer.apple.com/opensource/internet/$zipFile";

    56 my $webkitLibrariesDir = toUnixPath($ENV{'WEBKITLIBRARIESDIR'}) || "$sourceDir/WebKitLibraries/win";

    57 my $tmpDir = File::Spec->rel2abs(File::Temp::tempdir("webkitlibsXXXXXXX", TMPDIR => 1, CLEANUP => 1));

    58 

    59 print "Checking Last-Modified date of $zipFile...\n";

    60 

    61 my $result = system "curl -s -I $auxiliaryLibsURL | grep Last-Modified > \"$tmpDir/$file.headers\"";

    62 

    63 if (WEXITSTATUS($result)) {

    64     print STDERR "Couldn't check Last-Modified date of new $zipFile.\n";

    65     print STDERR "Please ensure that $auxiliaryLibsURL is reachable.\n";

    66 

    67     if (! -f "$webkitLibrariesDir/$file.headers") {

    68         print STDERR "Unable to check Last-Modified date and no version of $file to fall back to.\n";

    69         exit 1;

    70     }

    71 

    72     print STDERR "Falling back to existing version of $file.\n";

    73     exit 0;

    74 }

    75 

    76 if (open NEW, "$tmpDir/$file.headers") {

    77     my $new = lastModifiedToUnixTime(<NEW>);

    78     close NEW;

    79 

    80     if (defined $new && open OLD, "$webkitLibrariesDir/$file.headers") {

    81         my $old = lastModifiedToUnixTime(<OLD>);

    82         close OLD;

    83         if (defined $old && abs($new - $old) < $newnessThreshold) {

    84             print "Current $file is up to date\n";

    85             exit 0;

    86         }

    87     }

    88 }

    89 

    90 print "Downloading $zipFile...\n\n";

    91 $result = system "curl -o \"$tmpDir/$zipFile\" $auxiliaryLibsURL";

    92 die "Couldn't download $zipFile!" if $result;

    93 

    94 $result = system "unzip", "-q", "-d", $tmpDir, "$tmpDir/$zipFile";

    95 die "Couldn't unzip $zipFile." if $result;

    96 

    97 print "\nInstalling $file...\n";

    98 

    99 sub wanted

   100 {

   101     my $relativeName = File::Spec->abs2rel($File::Find::name, "$tmpDir/$file/win");

   102     my $destination = "$webkitLibrariesDir/$relativeName";

   103 

   104     if (-d $_) {

   105         mkdir $destination;

   106         return;

   107     }

   108 

   109     system "cp", $_, $destination;

   110 }

   111 

   112 File::Find::find(\&wanted, "$tmpDir/$file");

   113 

   114 $result = system "mv", "$tmpDir/$file.headers", $webkitLibrariesDir;

   115 print STDERR "Couldn't move $file.headers to $webkitLibrariesDir" . ".\n" if $result;

   116 

   117 print "The $file has been sucessfully installed in\n $webkitLibrariesDir\n";

   118 exit;

   119 

   120 sub toUnixPath

   121 {

   122     my $path = shift;

   123     return unless $path;

   124     chomp($path = `cygpath -u '$path'`);

   125     return $path;

   126 }

   127 

   128 sub lastModifiedToUnixTime($)

   129 {

   130     my ($str) = @_;

   131 

   132     $str =~ /^Last-Modified: (.*)$/ or return;

   133     return str2time($1);

   134 }