I like that this solution takes into account the "race condition" for doing multiple things at once. To me that was the biggest issue I ran into with deb-s3 and

I like that this solution takes into account the "race condition" for doing multiple things at once. To me that was the biggest issue I ran into with deb-s3 and it's why I wrote deb-simple (https://github.com/esell/deb-simple https://github.com/esell/deb-simple).