WebKitTools/Scripts/update-webkit

#!/usr/bin/perl -w

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# Copyright (C) 2009 Google Inc. All rights reserved.
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# Update script for WebKit Open Source Project.

use strict;
use FindBin;
use lib $FindBin::Bin;
use File::Basename;
use File::Spec;
use Getopt::Long;
use VCSUtils;
use webkitdirs;

sub runSvnUpdate();

# Handle options
my $quiet = '';
my $showHelp;

determineIsChromium();

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 @svnOptions = ();
push @svnOptions, '-q' if $quiet;

# Don't prompt when using svn-1.6 or newer.
push @svnOptions, qw(--accept postpone) if isSVNVersion16OrNewer();

chdirWebKit();
print "Updating OpenSource\n" unless $quiet;
runSvnUpdate();

if (-d "../Internal") {
    chdir("../Internal");
    print "Updating Internal\n" unless $quiet;
    runSvnUpdate();
} elsif (isChromium()) {
    system("perl", "WebKitTools/Scripts/update-webkit-chromium") == 0 or die $!;
} elsif (isAppleWinWebKit()) {
    system("perl", "WebKitTools/Scripts/update-webkit-auxiliary-libs") == 0 or die;
}

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";
    }
}