pekko/project/AddMetaInfLicenseFiles.scala

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * license agreements; and to You under the Apache License, version 2.0:
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * This file is part of the Apache Pekko project, derived from Akka.
 */

import sbt.Keys._
import sbt._
import org.mdedetrich.apache.sonatype.SonatypeApachePlugin
import org.mdedetrich.apache.sonatype.SonatypeApachePlugin.autoImport._

/**
 * Copies LICENSE and NOTICE files into jar META-INF dir
 */
object AddMetaInfLicenseFiles extends AutoPlugin {

  private lazy val baseDir = LocalRootProject / baseDirectory

  override lazy val projectSettings = Seq(
    apacheSonatypeLicenseFile := baseDir.value / "legal" / "StandardLicense.txt",
    apacheSonatypeDisclaimerFile := Some(baseDir.value / "DISCLAIMER"))

  /**
   * Settings specific for Pekko actor subproject which requires a different license file.
   */
  lazy val actorSettings = Seq(
    apacheSonatypeLicenseFile := baseDir.value / "legal" / "pekko-actor-jar-license.txt")

  /**
   * Settings specific for Pekko protobuf subproject which requires a different license file
   * as well as an additional "COPYING.protobuf" file.
   */
  lazy val protobufSettings = Seq(
    apacheSonatypeLicenseFile := baseDir.value / "legal" / "pekko-protobuf-jar-license.txt") ++ inConfig(Compile)(Seq(
    resourceGenerators += {
      Def.task {
        List(
          SonatypeApachePlugin.addFileToMetaInf(resourceManaged.value, baseDir.value / "COPYING.protobuf"))
      }
    }))

  /**
   * Settings specific for Pekko protobuf-v3 subproject which requires a different license file
   * as well as an additional "COPYING.protobuf" file.
   */
  lazy val protobufV3Settings = Seq(
    apacheSonatypeLicenseFile := baseDir.value / "legal" / "pekko-protobuf-v3-jar-license.txt") ++ inConfig(Compile)(
    Seq(
      resourceGenerators += {
        Def.task {
          List(
            SonatypeApachePlugin.addFileToMetaInf(resourceManaged.value, baseDir.value / "COPYING.protobuf"))
        }
      }))

  override def trigger = allRequirements

  override def requires = SonatypeApachePlugin
}