From 8a3487ce99580bac295ca1bc1e5e13ede49cb22c Mon Sep 17 00:00:00 2001
From: Benjamin C Meyer <ben@meyerhome.net>
Date: Wed, 17 Mar 2010 00:50:52 -0400
Subject: Add a new pre-commit hook that checks for the current year in the
 copyright.

Signed-off-by: Benjamin C Meyer <ben@meyerhome.net>
---
 contrib/pre-commit/copyright_year | 54 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100755 contrib/pre-commit/copyright_year

diff --git a/contrib/pre-commit/copyright_year b/contrib/pre-commit/copyright_year
new file mode 100755
index 0000000..e879381
--- /dev/null
+++ b/contrib/pre-commit/copyright_year
@@ -0,0 +1,54 @@
+#!/bin/bash
+#
+# Copyright (c) 2010, Benjamin C. Meyer <ben@meyerhome.net>
+# 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. All advertising materials mentioning features or use of this software
+#    must display the following acknowledgement:
+#    This product includes software developed by Benjamin C. Meyer.
+# 4. Neither the name of the project 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 THE COPYRIGHT HOLDER ''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 THE COPYRIGHT HOLDER 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.
+#
+
+function test_file {
+    file="${1}"
+    if grep 'Copyright ' "${file}" | grep -v grep >/dev/null
+    then
+        year=`date +%Y`
+        grep 'Copyright ' "${file}" | grep "${year}" >/dev/null
+        if [ $? -ne 0 ] ; then
+            echo "Error: $file seems to be missing a copyright string with the year $year in it.";
+            exit 1
+        fi
+    fi
+}
+
+case "${1}" in
+    --about )
+        echo "Check that the files have a copyright with the current year."
+        ;;
+    * )
+        for file in `git diff-index --cached --name-only HEAD` ; do
+            test_file "${file}"
+        done
+        ;;
+esac
-- 
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