android:set-{debug,release} does not apply to all projects in multiproject builds

[aafa]

It looks like lib project BuildConfig being updated with incorrect values.

After app/packageRelease I have this files generated

app/target/../
├── core
│   └── R.java
└── app
    ├── BuildConfig.java  (DEBUG = false)
    ├── Manifest.java
    ├── R.java
    └── TR.scala

core/target/../
└── core
    ├── BuildConfig.java  (DEBUG = true)
    ├── Manifest.java
    ├── R.java
    └── TR.scala

So last file have incorrect debug flag and doesnt have variants values.

[pfn]

Variant info from app does not transfer to core, this is expected behavior and will not change.

Release mode must manually be toggled in core at the moment. core/android:set-release, this can possibly be fixed.

[aafa]

this can possibly be fixed

I'd like to work on this if you don't mind.
The problem is I'm not fully understand where should I start. I see this fragment https://github.com/pfn/android-sdk-plugin/blob/2909d55578bdd70d2995f8190fef83ed0b96572e/src/tasks.scala#L92-L103 and it looks like at this moment lib's BuildConfig should be populated with values but it's not happening.

So is this the right starting point?

[aafa]

Follow-up question: Is it possible to attach IDEA's debugger to sbt plugin tests (sbt scripted)?

[aafa]

As a quick workaround I added this shortcuts to my build.sbt

addCommandAlias("release", ";core/android:set-release;android:packageRelease")
addCommandAlias("d", ";core/android:set-debug;run")