mjdev-desktop/buildSrc/build.gradle.kts

repositories {
    google()
    mavenCentral()
    gradlePluginPortal()
}

plugins {
    `kotlin-dsl`
    java
    `java-gradle-plugin`
}

dependencies {
//    implementation(files(libs.javaClass.superclass.protectionDomain.codeSource.location))
    implementation(gradleApi())
    implementation(gradleKotlinDsl())
    implementation(libs.gradle)
    implementation(libs.gradle.api)
}

gradlePlugin {
    plugins {
        register("DesktopPlugin") {
            id = "DesktopPlugin"
            displayName = "DesktopPlugin"
            description = "Common application plugin to handle all stuffs needed."
            implementationClass = "org.mjdev.gradle.plugin.DesktopPlugin"
        }
    }
}