Git pre-commit hook to detect the presence of pry related statements

pre-commit

#!/bin/sh
#
# To enable this hook, rename this file to "pre-commit".
PRY_PATTERN="require.+[\'\"]pry[\'\"]|binding\.pry"

# Redirect output to stderr.
exec 1>&2

if git diff --cached | grep '^\+' | grep -q -E $PRY_PATTERN; then
	echo "ERROR: There is left over pry stuff in this commit"
	git diff --cached --name-only | xargs grep -n -H -E $PRY_PATTERN 
	exit 1 # reject 
fi
exit 0