pre-commit-nocommit-checker

#!/bin/bash
#
# git pre-commit hook to test for the existence of a given keyword/stopword in the patch.
#
# Use this to annotate local config changes and debug fixtures to prevent them from being
# committed to the repository.
# 
# Link/copy this file as .git/hooks/pre-commit to use it. To use it on all newly created
# or cloned repositories, place it in your /usr/share/git-core/templates/hooks (or
# a corresponding folder on your system)
# 
# Written by Oystein Steimler <oystein@nyvri.net> - Share it!
# 
KEYWORD='NOCOMMIT';

# Test for keyword in added lines of commit diff
if [[ `git diff --cached | egrep "^\+" | grep $KEYWORD` ]]
then
    echo "Keyword $KEYWORD is present in the attempted  commit. This probably means you've added some changes not intended for the repository. Fix this and try again!";
    exit 100;
else
    exit 0;
fi