[git-hooks] New hook for checking copyright year.

git_hooks/hooks-install.sh

@@ -3,6 +3,7 @@
 # Install hooks into .git/hooks directory
 #
 
+cp pre-commit ../.git/hooks/pre-commit
 cp post-commit ../.git/hooks/post-commit
 cp post-checkout ../.git/hooks/post-checkout
 cp post-merge ../.git/hooks/post-merge

git_hooks/pre-commit

@@ -0,0 +1,23 @@
+#!/bin/sh
+#
+# Check if copyright statements include the current year
+# http://damien.lespiau.name/blog/2013/01/13/a-git-pre-commit
+#
+files=`git diff --cached --name-only | grep '[.cpp|.h]$'`
+year=`date +"%Y"`
+
+for f in $files; do
+    head -10 $f | grep -i copyright 2>&1 1>/dev/null || continue
+
+    if ! grep -i -e "copyright.*$year" $f 2>&1 1>/dev/null; then
+        missing_copyright_files="$missing_copyright_files $f"
+    fi
+done
+
+if [ -n "$missing_copyright_files" ]; then
+    echo "$year is missing in the copyright notice of the following files:"
+    for f in $missing_copyright_files; do
+        echo "    $f"
+    done
+    exit 1
+fi