#!/usr/bin/perl -w

# Copyright (C) 2005, 2006, 2007 Apple Computer, Inc.  All rights reserved.

#

# Redistribution and use in source and binary forms, with or without

# modification, are permitted provided that the following conditions

# are met:

#

# 1.  Redistributions of source code must retain the above copyright

#     notice, this list of conditions and the following disclaimer. 

# 2.  Redistributions in binary form must reproduce the above copyright

#     notice, this list of conditions and the following disclaimer in the

#     documentation and/or other materials provided with the distribution. 

# 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of

#     its contributors may be used to endorse or promote products derived

#     from this software without specific prior written permission. 

#

# THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY

# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

# DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

# Updates a development environment to the new WebKitSupportLibrary

use strict;

use warnings;

use File::Find;

use File::Temp ();

use File::Spec;

use FindBin;

use lib $FindBin::Bin;

use webkitdirs;

my $expectedMD5 = "a1341aadbcce1ef26dad2b2895457314";

my $sourceDir = sourceDir();

my $file = "WebKitSupportLibrary";

my $zipFile = "$file.zip"; 

my $zipDirectory = toUnixPath($ENV{'WEBKITSUPPORTLIBRARIESZIPDIR'}) || $sourceDir;

my $pathToZip = File::Spec->catfile($zipDirectory, $zipFile);

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

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

# Make sure the file zipfile exists and matches the expected MD5 before doing anything.

-f $pathToZip or dieAndInstructToDownload("$zipFile could not be find in your root source directory.");

`md5sum "$pathToZip"` =~ /^([0-9a-fA-F]{32}).*/ or die "Error running md5sum on \"$pathToZip\"";

my $actualMD5 = $1;

$actualMD5 eq $expectedMD5 or dieAndInstructToDownload("$zipFile is out of date.");

print "Checking mod-date of $zipFile...\n";

open MOD, ">$tmpDir/$file.modified" or die "Couldn't open $tmpDir/$file.modified for writing";

print MOD (stat $pathToZip)[9] . "\n";

close MOD;

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

    my $new = <NEW>;

    close NEW;

    if (open OLD, "$webkitLibrariesDir/$file.modified") {

        my $old = <OLD>;

        close OLD;

        if ($old eq $new) {

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

            exit 0;

        }

    }

}

my $result = system "unzip", "-q", "-d", $tmpDir, $pathToZip;

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

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

sub wanted

{

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

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

    if (-d $_) {

        mkdir $destination;

        return;

    }

    system "cp", $_, $destination;

}

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

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

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

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

exit;

sub toUnixPath

{

    my $path = shift;

    return unless $path;

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

    return $path;

}

sub dieAndInstructToDownload

{

    my $message = shift;

    die <<EOF;

===============================================================================

$message

Please download $zipFile from:

    http://developer.apple.com/opensource/internet/webkit_sptlib_agree.html

and place it in:

    $sourceDir

Then run build-webkit again.

===============================================================================

EOF

}