proguard.gradle

buildscript {
    def proguardVersion = "6.0.3"
    dependencies {
        classpath("net.sf.proguard:proguard-gradle:$proguardVersion")
    }

    repositories {
        mavenCentral()
    }
}

task minimizeJar(type: proguard.gradle.ProGuardTask, dependsOn: shadowJar) {
    // We will minimize result of shadowJar task
    def jarFile = (tasks.shadowJar as Jar).archivePath
    
    // Specify the input jars and output jars
    injars(jarFile.path)
    outjars("${jarFile.parent}/${jarFile.name.replace("-all", ".min")}")

    // Don't obfuscate/minimize calls of provided libraries
    libraryjars("${System.properties.'java.home'}/lib/rt.jar")
    def providedLibs = project.configurations.compileOnly
    for (lib in providedLibs) {
        libraryjars(lib.path)
    }

    // More logs
    verbose
    
    // Proguard warnings will not stop build
    ignorewarnings
    dontwarn
    
    // Import static configurations
    configuration("proguard/proguard-rules.pro")
}