build.sbt

// *****************************************************************************
// Projects
// *****************************************************************************

lazy val `sbt-header` =
  project
    .in(file("."))
    .enablePlugins(/*AutomateHeaderPlugin, */GitVersioning, SbtPlugin)
    .settings(settings)
    .settings(
      libraryDependencies ++= Seq(
        library.scalaTest % Test
      )
    )

// *****************************************************************************
// Library dependencies
// *****************************************************************************

lazy val library =
  new {
    object Version {
      val scalaTest = "3.0.4"
    }
    val scalaTest = "org.scalatest" %% "scalatest" % Version.scalaTest
  }

// *****************************************************************************
// Settings
// *****************************************************************************        |

lazy val settings =
  commonSettings ++
  gitSettings ++
  scalafmtSettings ++
  sbtScriptedSettings

lazy val commonSettings =
  Seq(
    // scalaVersion from .travis.yml via sbt-travisci
    // scalaVersion := "2.12.3",
    organization := "de.heikoseeberger",
    organizationName := "Heiko Seeberger",
    startYear := Some(2015),
    licenses += ("Apache-2.0", url("http://www.apache.org/licenses/LICENSE-2.0")),
    scalacOptions ++= Seq(
      "-unchecked",
      "-deprecation",
      "-language:_",
      "-encoding", "UTF-8"
    ),
    scalacOptions += {
      CrossVersion.partialVersion(scalaVersion.value) match {
        case Some((2, 12)) => "-target:jvm-1.8"
        case _             => "-target:jvm-1.7"
      }
    },
    unmanagedSourceDirectories.in(Compile) := Seq(scalaSource.in(Compile).value),
    unmanagedSourceDirectories.in(Test) := Seq(scalaSource.in(Test).value),
    publishMavenStyle := false,
    crossSbtVersions := Seq("1.1.6", "0.13.17")
)

lazy val gitSettings =
  Seq(
    git.useGitDescribe := true
  )

lazy val scalafmtSettings =
  Seq(
    scalafmtOnCompile := true,
    scalafmtOnCompile.in(Sbt) := false,
    scalafmtVersion := "1.3.0"
  )

lazy val sbtScriptedSettings =
  Seq(
    scriptedLaunchOpts ++= Seq(
      "-Xmx1024M",
      s"-Dplugin.version=${version.value}"
    ),
    scriptedBufferLog := false
  )