pre-commit. Only commit if pass tests and there are not leftovers (.only and .skip)

pre-commit

branch=`git symbolic-ref HEAD`

if [ "$branch" = "refs/heads/master" ]; then
    echo "Direct commits to the branch master are not allowed"
    exit 1
fi

testLeftOvers=`git diff --staged test/**/* | grep '^+' | grep '.only\|.skip'`

if [ -n "$testLeftOvers" ]; then
    echo "You have leftovers in your tests, please remove them:"
    echo $testLeftOvers
    exit 1
fi

echo "Stashing unstaged changes..."
git stash --keep-index -u

if npm test; then
    git stash pop
    echo "Putting unstaged changes back..."
else
    git stash pop
    echo "Putting unstaged changes back..."
    exit 1
fi