pre-commit.sh

#!/bin/sh

# Mostly from https://gist.github.com/alexbevi/3436040
# with help from http://codeinthehole.com/writing/tips-for-using-a-git-pre-commit-hook/

FILES_PATTERN='\.(rb|erb|haml|coffee)(\..+)?$'
FORBIDDEN='binding.pry'
 
git diff --cached --name-only | \
    grep -E $FILES_PATTERN | \
    GREP_COLOR='4;5;37;41' xargs grep --color --with-filename -n $FORBIDDEN && \
    echo 'Stray debug statement found, commit rejected' && \
    exit 1
 
exit 0