From 2aed8ddbe5ec4ed8da248a10feeced85a4e97e4f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Rodri=CC=81guez=20Troitin=CC=83o?=
 <drodrigueztroitino@yahoo.es>
Date: Tue, 10 Dec 2013 01:01:36 +0100
Subject: [PATCH] Append Typhoon header when adding/modifying files.

Remove standard Xcode header if found.
---
 .gitattributes        |  3 ++-
 Scripts/typhoonheader | 41 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+), 1 deletion(-)
 create mode 100755 Scripts/typhoonheader

diff --git a/.gitattributes b/.gitattributes
index a198d45d6..545d0b780 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1 +1,2 @@
-*.pbxproj binary merge=union
\ No newline at end of file
+*.pbxproj binary merge=union
+*.[hm] filter=typhoonheader
diff --git a/Scripts/typhoonheader b/Scripts/typhoonheader
new file mode 100755
index 000000000..e3cf2ce4a
--- /dev/null
+++ b/Scripts/typhoonheader
@@ -0,0 +1,41 @@
+#!/usr/bin/env ruby -wKU
+
+# To use this script, add the following keys to your local config.
+# git config filter.typhoonheader.smudge 'cat'
+# git config filter.typhoonheader.clean '`git rev-parse --git-dir`/../scripts/typhoonheader'
+
+TYPHOON_HEADER = <<EOS
+////////////////////////////////////////////////////////////////////////////////
+//
+//  TYPHOON FRAMEWORK
+//  Copyright 2013, Jasper Blues & Contributors
+//  All Rights Reserved.
+//
+//  NOTICE: The authors permit you to use, modify, and distribute this file
+//  in accordance with the terms of the license agreement accompanying it.
+//
+////////////////////////////////////////////////////////////////////////////////
+EOS
+
+XCODE_HEADER = Regexp.new(<<EOS)
+\\A//
+//  .*
+//  .*
+//
+//  Created by .* on \\d\\d/\\d\\d/\\d\\d\\.
+//  Copyright \\(c\\) \\d{4} .*\\. All rights reserved\\.
+//
+EOS
+
+input = STDIN.read
+output = STDOUT
+
+if input.start_with? TYPHOON_HEADER
+  output.write input
+elsif XCODE_HEADER.match(input)
+  output.puts TYPHOON_HEADER
+  output.write input.gsub(XCODE_HEADER, '')
+else
+  output.puts TYPHOON_HEADER
+  output.write input
+end