Prevent committing debugger statements

pre-commit

#!/bin/sh

if git rev-parse --verify HEAD >/dev/null 2>&1
then
	against=HEAD
else
	# Initial commit: diff against an empty tree object
	against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
fi

for FILE in `git diff-index --name-status $against -- | cut -c3-` ; do
  # Check if the file contains 'debugger' or 'binding.pry'
  if [ "grep 'debugger' $FILE" ]
  then
    echo $FILE ' contains a debug statement!'
    exit 1
  fi
  if [ "grep 'binding.pry' $FILE" ]
  then
    echo $FILE ' contains a call to pry!'
    exit 1
  fi
done
exit