Git pre-commit hook to check staged files for console logs

pre-commit

#!/bin/sh
# pre-commit hook to check for console logs in staged files
# Authors: David Allen drallen1, Spencer Nowak spencernowak


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

names=$(git diff --cached --name-only)

greped=$(grep -irl 'console.log' $names)

if [ ! -z "$greped" ]; then
    echo "Commit aborted: console.log found"
    echo "If you absolutly need to commit this console.log, use git commit --no-verify"
    echo $greped
    exit 1
fi