publish.sbt

import sbtrelease._
import sbtrelease.ReleaseStateTransformations._
import xerial.sbt.Sonatype

crossScalaVersions += "3.6.3"

pluginCrossBuild / sbtVersion := {
  scalaBinaryVersion.value match {
    case "2.12" =>
      sbtVersion.value
    case _ =>
      "2.0.0-M3"
  }
}

Sonatype.sonatypeSettings

publishTo := sonatypePublishToBundle.value

val updateReadme: State => State = { state: State =>
  val extracted = Project.extract(state)
  val v = extracted get version
  val org = extracted get organization
  val n = extracted get name
  val readme = "README.md"
  val readmeFile = file(readme)
  val newReadme = Predef
    .augmentString(IO.read(readmeFile))
    .lines
    .map { line =>
      val matchReleaseOrSnapshot = line.contains("SNAPSHOT") == v.contains("SNAPSHOT")
      if (line.startsWith("addSbtPlugin") && matchReleaseOrSnapshot) {
        s"""addSbtPlugin("${org}" % "${n}" % "$v")"""
      } else line
    }
    .mkString("", "\n", "\n")
  IO.write(readmeFile, newReadme)
  val git = new Git(extracted get baseDirectory)
  git.add(readme) ! state.log
  git.commit(message = "update " + readme, sign = false, signOff = false) ! state.log
  sys.process.Process("git diff HEAD^") ! state.log
  state
}

commands += Command.command("updateReadme")(updateReadme)

val updateReadmeProcess: ReleaseStep = updateReadme

releaseProcess := Seq[ReleaseStep](
  checkSnapshotDependencies,
  inquireVersions,
  runClean,
  releaseStepCommandAndRemaining("+ test"),
  releaseStepCommandAndRemaining("+ scripted"),
  setReleaseVersion,
  updateReadmeProcess,
  commitReleaseVersion,
  tagRelease,
  releaseStepCommandAndRemaining("+ publishSigned"),
  releaseStepCommandAndRemaining("sonatypeBundleRelease"),
  setNextVersion,
  commitNextVersion,
  pushChanges
)

pomPostProcess := { node =>
  import scala.xml._
  import scala.xml.transform._
  def stripIf(f: Node => Boolean) = new RewriteRule {
    override def transform(n: Node) =
      if (f(n)) NodeSeq.Empty else n
  }
  val stripTestScope = stripIf { n => n.label == "dependency" && (n \ "scope").text == "test" }
  new RuleTransformer(stripTestScope).transform(node)(0)
}