build.sbt

import sbtcrossproject.{crossProject, CrossType}
import ReleaseTransformations._

val Scala211 = "2.11.12"
val Scala212 = "2.12.8"

lazy val machinistSettings = Seq(
  organization := "org.typelevel",
  licenses += ("MIT", url("http://opensource.org/licenses/MIT")),
  homepage := Some(url("http://github.com/typelevel/machinist")),

  scalaVersion := Scala212,
  crossScalaVersions := Seq(Scala211, Scala212, "2.13.0"),

  scalacOptions ++= Seq(
    "-feature",
    "-deprecation",
    "-unchecked"
  ),

  libraryDependencies += "org.scala-lang" % "scala-reflect" % scalaVersion.value,

  releaseCrossBuild := true,
  releasePublishArtifactsAction := PgpKeys.publishSigned.value,
  publishMavenStyle := true,
  publishArtifact in Test := false,
  pomIncludeRepository := Function.const(false),
  credentials += Credentials(
    Option(System.getProperty("build.publish.credentials")) map (new File(_)) getOrElse (Path.userHome / ".ivy2" / ".credentials")
  ),

  publishTo := Some(if (isSnapshot.value) Opts.resolver.sonatypeSnapshots else Opts.resolver.sonatypeStaging),

  pomExtra := (
    <scm>
      <url>git@github.com:typelevel/machinist.git</url>
      <connection>scm:git:git@github.com:typelevel/machinist.git</connection>
    </scm>
    <developers>
      <developer>
        <id>d_m</id>
        <name>Erik Osheim</name>
        <url>http://github.com/non/</url>
      </developer>
      <developer>
        <id>tixxit</id>
        <name>Tom Switzer</name>
        <url>http://github.com/tixxit/</url>
      </developer>
    </developers>
  ),

  releaseProcess := Seq[ReleaseStep](
    checkSnapshotDependencies,
    inquireVersions,
    runClean,
    runTest,
    setReleaseVersion,
    commitReleaseVersion,
    tagRelease,
    publishArtifacts,
    releaseStepCommandAndRemaining(s"; ++ ${Scala211} ; machinistNative/publishSigned"),
    setNextVersion,
    commitNextVersion,
    releaseStepCommand("sonatypeReleaseAll"),
    pushChanges))

lazy val noPublish = Seq(
  publish := {},
  publishLocal := {},
  publishArtifact := false)

lazy val root = project
  .in(file("."))
  .aggregate(machinistJS, machinistJVM)
  .settings(name := "machinist-root")
  .settings(machinistSettings: _*)
  .settings(noPublish: _*)

lazy val machinist = crossProject(JSPlatform, JVMPlatform, NativePlatform)
  .crossType(CrossType.Pure)
  .in(file("."))
  .settings(name := "machinist")
  .settings(machinistSettings: _*)
  .nativeSettings(
    scalaVersion := Scala211,
    crossScalaVersions := Seq(Scala211)
  )

lazy val machinistJVM = machinist.jvm

lazy val machinistJS = machinist.js

lazy val machinistNative = machinist.native