--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebKitTools/Scripts/VCSUtils.pm	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,91 @@
+# Copyright (C) 2007 Apple 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.
+
+# Module to share code to work with various version control systems.
+
+use strict;
+use warnings;
+use File::Spec;
+
+BEGIN {
+   use Exporter   ();
+   our ($VERSION, @ISA, @EXPORT, @EXPORT_OK, %EXPORT_TAGS);
+   $VERSION     = 1.00;
+   @ISA         = qw(Exporter);
+   @EXPORT      = qw(&isGitDirectory &isGit &isSVNDirectory &isSVN &makeFilePathRelative);
+   %EXPORT_TAGS = ( );
+   @EXPORT_OK   = ();
+}
+
+our @EXPORT_OK;
+
+my $isGit;
+my $isSVN;
+
+sub isGitDirectory($)
+{
+    my ($dir) = @_;
+    return system("cd $dir && git rev-parse > /dev/null 2>&1") == 0;
+}
+
+sub isGit()
+{
+    return $isGit if defined $isGit;
+
+    $isGit = isGitDirectory(".");
+    return $isGit;
+}
+
+sub isSVNDirectory($)
+{
+    my ($dir) = @_;
+
+    return -d File::Spec->catdir($dir, ".svn");
+}
+
+sub isSVN()
+{
+    return $isSVN if defined $isSVN;
+
+    $isSVN = isSVNDirectory(".");
+    return $isSVN;
+}
+
+my $gitRoot;
+sub makeFilePathRelative($)
+{
+    my ($path) = @_;
+    return $path unless isGit();
+
+    unless (defined $gitRoot) {
+        chomp($gitRoot = `git rev-parse --git-dir`);
+        $gitRoot =~ s/\.git$//;
+    }
+    my $result = File::Spec->abs2rel(File::Spec->rel2abs($path, $gitRoot));
+    return $result;
+}
+
+1;