I'm new to Haskell and Stack. When creating a new project using
You should check in
Setup.hs, as they are necessary for building your project in a reproducible way. The
test directories should also be committed, as they in principle are where your source code will live (you can of course rearrange the structure of the default project if you wish to do so). On the other hand, you should ignore the
.stack-work directory, as it contains the build output and other volatile pieces of data.