Skip creation of empty files if there are no mocks to generate

[azatZul]

What did you do?

Run mockolo -s <SOURCE> -d <DESTINATION> on the source folder which doesn't have protocols with mockable annotation.
It generated a file without any mocks.

What did you expect to happen?

I'd expect the empty file won't be created. Or at least having a flag which allows to skip creation of those empty files.
I recognise that the tools also will need to remove the destination file in that case which adds some complications but still, arguable it's worth it.

What is the use-case

If in a modularised project the script is executed once per module, modules which not yet added mock annotation will end up having empty files which is not ideal.

Mockolo Environment

Mockolo Version: 2.0.1
Dependency Manager: Homebrew
Xcode Version: 15.0

[sidepelican]

An empty file implies an empty output.
Is there a problem, or is it just a matter of feelings?

[sidepelican]

I want to ensure that first-time users are not confused if no file is generated.
If it's a matter of feelings, I'm curious to know if there are others who agree.