2017-10-16 02:38:22 +00:00
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import sbt._
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import Keys._
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2016-09-25 04:06:36 +00:00
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object Helpers {
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def getProp(name: String): Option[String] = sys.props.get(name) orElse sys.env.get(name)
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def parseBool(str: String): Boolean = Set("yes", "y", "true", "t", "1") contains str.trim.toLowerCase
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def boolFlag(name: String): Option[Boolean] = getProp(name) map { parseBool _ }
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def boolFlag(name: String, default: Boolean): Boolean = boolFlag(name) getOrElse default
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def opts(names: String*): Option[String] = names.view.map(getProp _).foldLeft(None: Option[String]) { _ orElse _ }
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2017-10-16 02:38:22 +00:00
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lazy val buildNumberOpt = sys.env.get("BUILD_NUMBER")
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lazy val isJenkins = buildNumberOpt.isDefined
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2016-09-25 04:06:36 +00:00
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import scala.xml._
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def excludePomDeps(exclude: (String, String) => Boolean): Node => Node = { node: Node =>
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val rewriteRule = new transform.RewriteRule {
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override def transform(n: Node): NodeSeq = {
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if ((n.label == "dependency") && exclude((n \ "groupId").text, (n \ "artifactId").text))
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NodeSeq.Empty
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else
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n
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}
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}
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val transformer = new transform.RuleTransformer(rewriteRule)
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transformer.transform(node)(0)
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}
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2017-10-16 02:38:22 +00:00
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final lazy val sver: Def.Initialize[SVer] = {
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Def.map(scalaBinaryVersion)(SVer.apply)
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}
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final lazy val forceOldInlineSyntax: Def.Initialize[Boolean] = {
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val pat = """(?x)^ 2\.12\.[0-2] (?:[^\d].*)? $""".r
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Def.map(scalaVersion) {
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case pat() => true
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case _ => false
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}
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}
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sealed trait Backend
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case object NewBackend extends Backend
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case object SupportsNewBackend extends Backend
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case object OldBackend extends Backend
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2016-09-25 04:06:36 +00:00
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sealed trait SVer {
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2017-10-16 02:38:22 +00:00
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val backend: Backend
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val requireJava8: Boolean
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def supportsNewBackend = backend match {
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case NewBackend => true
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case SupportsNewBackend => true
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case OldBackend => false
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}
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2016-09-25 04:06:36 +00:00
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}
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object SVer {
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def apply(scalaVersion: String): SVer = {
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2017-10-16 02:38:22 +00:00
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CrossVersion.partialVersion(scalaVersion) match {
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case Some((2, 10)) => SVer2_10
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case Some((2, 11)) => SVer2_11
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case Some((2, 12)) => SVer2_12
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case Some((2, n)) if n >= 13 => SVer2_13
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case _ =>
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throw new IllegalArgumentException(s"Scala version $scalaVersion is not supported")
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2016-09-25 04:06:36 +00:00
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}
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}
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}
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case object SVer2_10 extends SVer {
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2017-10-16 02:38:22 +00:00
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override final val backend = OldBackend
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override final val requireJava8 = false
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2016-09-25 04:06:36 +00:00
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}
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case object SVer2_11 extends SVer {
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2017-10-16 02:38:22 +00:00
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override final val backend = SupportsNewBackend
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override final val requireJava8 = false
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2016-09-25 04:06:36 +00:00
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}
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case object SVer2_12 extends SVer {
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2017-10-16 02:38:22 +00:00
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override final val backend = NewBackend
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override final val requireJava8 = true
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}
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case object SVer2_13 extends SVer {
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override final val backend = NewBackend
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override final val requireJava8 = true
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2016-09-25 04:06:36 +00:00
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}
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}
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