#!/usr/bin/perl -w

# Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.

# Copyright (C) 2009 Google 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.

# Update script for WebKit Open Source Project.

use strict;

use FindBin;

use lib $FindBin::Bin;

use File::Basename;

use File::Path;

use File::Spec;

use Getopt::Long;

use VCSUtils;

use webkitdirs;

sub runSvnUpdate();

sub runGitUpdate();

# Handle options

my $quiet = '';

my $showHelp;

determineIsChromium();

chdirWebKit();

my $isGit = isGit();

my $isSVN = isSVN();

my $getOptionsResult = GetOptions(

    'h|help'  => \$showHelp,

    'q|quiet' => \$quiet,

); 

if (!$getOptionsResult || $showHelp) {

    print STDERR <<__END__;

Usage: @{[ basename($0) ]} [options]

  --chromium  also update dependencies of the chromium port

  -h|--help   show the help message

  -q|--quiet  pass -q to svn update for quiet updates

__END__

    exit 1;

}

my $startTime = time();

my @svnOptions = ();

push @svnOptions, '-q' if $quiet;

# Don't prompt when using svn-1.6 or newer.

push @svnOptions, qw(--accept postpone) if isSVNVersion16OrNewer();

print "Updating OpenSource\n" unless $quiet;

runSvnUpdate() if $isSVN;

runGitUpdate() if $isGit;

if (-d "../Internal") {

    chdir("../Internal");

    print "Updating Internal\n" unless $quiet;

    runSvnUpdate() if $isSVN;

    runGitUpdate() if $isGit;

} elsif (isChromium()) {

    # Workaround for https://bugs.webkit.org/show_bug.cgi?id=38926

    # We should remove the following "if" block when we find a right fix.

    if ((isCygwin() || isWindows()) && (stat("WebKit/chromium/features.gypi"))[9] >= $startTime) {

        print "features.gypi has been updated. Cleaning the build directories.\n";

        rmtree(["WebKit/chromium/Debug", "WebKit/chromium/Release"]);

    }

    system("perl", "WebKitTools/Scripts/update-webkit-chromium") == 0 or die $!;

} elsif (isAppleWinWebKit()) {

    system("perl", "WebKitTools/Scripts/update-webkit-auxiliary-libs") == 0 or die;

}

setupAppleWinEnv() if isAppleWinWebKit();

exit 0;

sub runSvnUpdate()

{

    open UPDATE, "-|", "svn", "update", @svnOptions or die;

    my @conflictedChangeLogs;

    while (my $line = <UPDATE>) {

        print $line;

        $line =~ m/^C\s+(.+?)[\r\n]*$/;

        if ($1) {

          my $filename = normalizePath($1);

          push @conflictedChangeLogs, $filename if basename($filename) eq "ChangeLog";

        }

    }

    close UPDATE or die;

    if (@conflictedChangeLogs) {

        print "Attempting to merge conflicted ChangeLogs.\n";

        my $resolveChangeLogsPath = File::Spec->catfile(dirname($0), "resolve-ChangeLogs");

        (system($resolveChangeLogsPath, "--no-warnings", @conflictedChangeLogs) == 0)

            or die "Could not open resolve-ChangeLogs script: $!.\n";

    }

}

sub runGitUpdate()

{

    system("git", "svn", "rebase") == 0 or die;

}