setting the module name

[awalterschulze]

It seems that the generated code always has module Proto.

Is there some way I could get more control?

For example inside the proto file

option haskell_package = "Data.MyPackage.MySubPackage.MyModule"

As has been done for most other languages.

[judah]

This is not currently supported. I think it might be possible, but have not looked into it deeply. Changing proto-lens-protoc (which generates the output files) should be straightforward; changing proto-lens-setup (the Cabal integration) could be tricky since I'm not sure it has the right level of visibility into the FileDescriptorProto.

One other issue is that we'd most likely want to support this option via an extension, similar to ScalaPB: https://scalapb.github.io/customizations.html
But proto-lens doesn't support extensions yet (#27). We could also upstream a change to the protobuf library itself, but I'm not sure how difficult it would be.

(If we did support this, I'd also suggest calling it haskell_module since "package" in Haskell means a collection of module files.)