129 lines
3.9 KiB
Scala
129 lines
3.9 KiB
Scala
/*
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* Copyright (C) 2019 Lightbend Inc. <https://www.lightbend.com>
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*/
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package akka
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import sbt._
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import Keys.{scalacOptions, _}
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import sbt.plugins.JvmPlugin
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object AkkaDisciplinePlugin extends AutoPlugin with ScalafixSupport {
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import scoverage.ScoverageKeys._
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import scalafix.sbt.ScalafixPlugin
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override def trigger: PluginTrigger = allRequirements
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override def requires: Plugins = JvmPlugin && ScalafixPlugin
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override lazy val projectSettings = disciplineSettings
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val fatalWarningsFor = Set(
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"akka-actor",
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"akka-discovery",
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"akka-distributed-data",
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"akka-coordination",
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"akka-protobuf"
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)
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val strictProjects = Set(
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"akka-discovery",
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"akka-protobuf",
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"akka-coordination"
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)
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lazy val scalaFixSettings = Seq(
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Compile / scalacOptions += "-Yrangepos")
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lazy val scoverageSettings = Seq(
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coverageMinimum := 70,
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coverageFailOnMinimum := false,
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coverageOutputHTML := true,
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coverageHighlighting := {
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import sbt.librarymanagement.{ SemanticSelector, VersionNumber }
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!VersionNumber(scalaVersion.value).matchesSemVer(SemanticSelector("<=2.11.1"))
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})
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val silencerVersion = "1.3.1"
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lazy val silencerSettings = Seq(
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libraryDependencies ++= Seq(
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compilerPlugin("com.github.ghik" %% "silencer-plugin" % silencerVersion),
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"com.github.ghik" %% "silencer-lib" % silencerVersion % Provided,
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)
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)
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lazy val disciplineSettings =
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scalaFixSettings ++
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silencerSettings ++
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scoverageSettings ++ Seq(
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Compile / scalacOptions ++= (
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if (fatalWarningsFor(name.value)) Seq("-Xfatal-warnings")
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else Seq.empty
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),
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Compile / console / scalacOptions --= Seq("-deprecation", "-Xfatal-warnings", "-Xlint", "-Ywarn-unused:imports"),
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Compile / scalacOptions ++= (CrossVersion.partialVersion(scalaVersion.value) match {
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case Some((2, 13)) =>
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disciplineScalacOptions -- Set(
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"-Ywarn-inaccessible",
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"-Ywarn-infer-any",
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"-Ywarn-nullary-override",
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"-Ywarn-nullary-unit",
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"-Ypartial-unification",
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"-Yno-adapted-args",
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)
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case Some((2, 12)) =>
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disciplineScalacOptions
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case Some((2, 11)) =>
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disciplineScalacOptions ++ Set("-language:existentials") -- Set(
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"-Ywarn-extra-implicit",
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"-Ywarn-unused:_",
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"-Ypartial-unification",
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)
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case _ =>
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Nil
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}).toSeq,
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Compile / doc / scalacOptions ++= (CrossVersion.partialVersion(scalaVersion.value) match {
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case Some((2, 11)) =>
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Seq("-no-link-warnings")
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case _ =>
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Seq.empty
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}),
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Compile / scalacOptions --=
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(if (strictProjects.contains(name.value)) Seq.empty
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else undisciplineScalacOptions.toSeq),
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// Discipline is not needed for the docs compilation run (which uses
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// different compiler phases from the regular run), and in particular
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// '-Ywarn-unused:explicits' breaks 'sbt ++2.13.0-M5 akka-actor/doc'
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// https://github.com/akka/akka/issues/26119
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Compile / doc / scalacOptions --= disciplineScalacOptions.toSeq :+ "-Xfatal-warnings",
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)
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/**
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* Remain visibly filtered for future code quality work and removing.
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*/
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val undisciplineScalacOptions = Set(
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"-Ywarn-value-discard",
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"-Ywarn-numeric-widen",
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"-Yno-adapted-args",
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)
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/** These options are desired, but some are excluded for the time being*/
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val disciplineScalacOptions = Set(
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// start: must currently remove, version regardless
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"-Ywarn-value-discard",
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"-Ywarn-numeric-widen",
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"-Yno-adapted-args",
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// end
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"-deprecation",
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"-Xfuture",
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"-Xlint",
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"-Ywarn-dead-code",
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"-Ywarn-inaccessible",
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"-Ywarn-infer-any",
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"-Ywarn-nullary-override",
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"-Ywarn-nullary-unit",
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"-Ywarn-unused:_",
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"-Ypartial-unification",
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"-Ywarn-extra-implicit",
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)
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}
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