Move sourceSets AND Android flavors to custom directory

I have many Android flavors for a project that I would like to extract to a separate directory. A solution I came up with looks like this:

my-folder/flavors.gradle:

ext.flavorConfig = {
    productFlavors {
        flavorA {
            dimension "Adim"
            ...
        }
        ...
    }
}

Module’s build.gradle:

apply from: "${rootProject.projectDir}/my-folder/flavors.gradle"
...
android {
    flavorDimensions "Adim", "Bdim"
    productFlavors {
        flavorB {
            dimension "Bdim"
        }
        ...
    }
    with flavorConfig
    productFlavors.all { flavor ->
        if (flavor.name.contains('Adim') ) {
            sourceSets.configureEach({ sourceSet ->
                if (sourceSet.name.contains(flavor.name)) {
                    print(sourceSet.name + "\t" + flavor.name + "\n")
                    sourceSet.resources.srcDirs += "${rootProject.projectDir}/my-folder/src/${flavor.name}/res"
                    sourceSet.assets.srcDirs += "../my-folder/src/${flavor.name}/assets"
                }
            })
        }
    }

The project syncs with Gradle with no problems, but I cannot build it. I suspect that the resources are missing.

  1. Is there an easier way to achieve what I’m trying to?
  2. What am I doing wrong?

Problem solved, it was res, not resources