Adding composite build programmatically as an alternative to https://www.jetbrains.com/help/idea/work-with-gradle-projects.html#gradle_composite_build

settings.gradle.kts

val fireplaceLocation = extra.has("fireplaceLocation").let {
    if (it) extra.get("fireplaceLocation") as String
    else null
}

if (!fireplaceLocation.isNullOrEmpty()) {
    val location = when {
        fireplaceLocation.startsWith("\$HOME") || fireplaceLocation.startsWith("~") -> {
            fireplaceLocation.replaceFirst("~|\$HOME".toRegex(), System.getProperty("user.home"))
        }
        else -> fireplaceLocation
    }
    if (file(location).exists()) {
        logger.lifecycle("Using composite build with fireplace at: $location")

        includeBuild(location) {
            dependencySubstitution {
                substitute(module("io.github.bric3.fireplace:fireplace-swing")).using(project(":fireplace-swing"))
                substitute(module("io.github.bric3.fireplace:fireplace-swing-animation")).using(project(":fireplace-swing-animation"))
            }
        }
    }

}