github/Shimmer — pull request #100 by shiftkey (2013-09-05 08:20:15+00:00)
Title: WIP: Don't try and create a delta package if you know it's not around

Resolves #95

Also some sanity checking of input in Powershell-land

TODO:

- [ ] Unit test that the DeltaPackageBuilder.CreateDeltaPackage throws an error when your release package doesn't exist