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build.sbt
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import sbt._
name := "uscala"
organization := "org.uscala"
description := "Set of general purpose micro libraries in scala."
licenses += "MIT" -> new URL("https://opensource.org/licenses/MIT")
homepage := Some(new URL("https://github.com/albertpastrana/uscala"))
developers := List(
Developer(id = "albertpastrana", name = "Albert Pastrana", email = "", url = new URL("https://albertpastrana.com"))
)
scmInfo := Some(
ScmInfo(
browseUrl = new URL("https://github.com/albertpastrana/uscala"),
connection = "scm:git:[email protected]:albertpastrana/uscala.git"
)
)
releasePublishArtifactsAction in ThisBuild := PgpKeys.publishSigned.value
releaseCrossBuild in ThisBuild := true
scalaVersion in ThisBuild := "2.13.0"
crossScalaVersions in ThisBuild := Seq("2.11.12", "2.12.8", "2.13.0")
// scalac 2.11 flags from https://tpolecat.github.io/2014/04/11/scalac-flags.html
lazy val scalacOptions211 = Seq(
"-deprecation",
"-encoding", "UTF-8", // yes, this is 2 args
"-feature",
"-language:existentials",
"-language:higherKinds",
"-language:implicitConversions",
"-unchecked",
"-Xfatal-warnings",
"-Xlint",
"-Yno-adapted-args",
"-Ywarn-dead-code", // N.B. doesn't work well with the ??? hole
"-Ywarn-numeric-widen",
"-Ywarn-value-discard",
"-Xfuture",
"-Ywarn-unused-import" // 2.11 only
)
// scalac 2.12 flags from https://tpolecat.github.io/2017/04/25/scalac-flags.html
lazy val scalacOptions212 = Seq(
"-deprecation", // Emit warning and location for usages of deprecated APIs.
"-encoding", "utf-8", // Specify character encoding used by source files.
"-explaintypes", // Explain type errors in more detail.
"-feature", // Emit warning and location for usages of features that should be imported explicitly.
"-language:existentials", // Existential types (besides wildcard types) can be written and inferred
"-language:experimental.macros", // Allow macro definition (besides implementation and application)
"-language:higherKinds", // Allow higher-kinded types
"-language:implicitConversions", // Allow definition of implicit functions called views
"-unchecked", // Enable additional warnings where generated code depends on assumptions.
"-Xcheckinit", // Wrap field accessors to throw an exception on uninitialized access.
"-Xfatal-warnings", // Fail the compilation if there are any warnings.
"-Xfuture", // Turn on future language features.
"-Xlint:adapted-args", // Warn if an argument list is modified to match the receiver.
"-Xlint:by-name-right-associative", // By-name parameter of right associative operator.
"-Xlint:constant", // Evaluation of a constant arithmetic expression results in an error.
"-Xlint:delayedinit-select", // Selecting member of DelayedInit.
"-Xlint:doc-detached", // A Scaladoc comment appears to be detached from its element.
"-Xlint:inaccessible", // Warn about inaccessible types in method signatures.
"-Xlint:infer-any", // Warn when a type argument is inferred to be `Any`.
"-Xlint:missing-interpolator", // A string literal appears to be missing an interpolator id.
"-Xlint:nullary-override", // Warn when non-nullary `def f()' overrides nullary `def f'.
"-Xlint:nullary-unit", // Warn when nullary methods return Unit.
"-Xlint:option-implicit", // Option.apply used implicit view.
"-Xlint:package-object-classes", // Class or object defined in package object.
"-Xlint:poly-implicit-overload", // Parameterized overloaded implicit methods are not visible as view bounds.
"-Xlint:private-shadow", // A private field (or class parameter) shadows a superclass field.
"-Xlint:stars-align", // Pattern sequence wildcard must align with sequence component.
"-Xlint:type-parameter-shadow", // A local type parameter shadows a type already in scope.
"-Xlint:unsound-match", // Pattern match may not be typesafe.
"-Yno-adapted-args", // Do not adapt an argument list (either by inserting () or creating a tuple) to match the receiver.
"-Ypartial-unification", // Enable partial unification in type constructor inference
"-Ywarn-dead-code", // Warn when dead code is identified.
"-Ywarn-extra-implicit", // Warn when more than one implicit parameter section is defined.
"-Ywarn-inaccessible", // Warn about inaccessible types in method signatures.
"-Ywarn-infer-any", // Warn when a type argument is inferred to be `Any`.
"-Ywarn-nullary-override", // Warn when non-nullary `def f()' overrides nullary `def f'.
"-Ywarn-nullary-unit", // Warn when nullary methods return Unit.
"-Ywarn-numeric-widen", // Warn when numerics are widened.
"-Ywarn-unused:implicits", // Warn if an implicit parameter is unused.
"-Ywarn-unused:imports", // Warn if an import selector is not referenced.
"-Ywarn-unused:locals", // Warn if a local definition is unused.
"-Ywarn-unused:params", // Warn if a value parameter is unused.
"-Ywarn-unused:patvars", // Warn if a variable bound in a pattern is unused.
"-Ywarn-unused:privates", // Warn if a private member is unused.
"-Ywarn-value-discard", // Warn when non-Unit expression results are unused.
"-Ybackend-parallelism", "8", // Enable paralellisation
"-Ycache-plugin-class-loader:last-modified", // Enables caching of classloaders for compiler plugins
"-Ycache-macro-class-loader:last-modified" // and macro definitions. This can lead to performance improvements.
)
// scalac 2.13 flags from https://nathankleyn.com/2019/05/13/recommended-scalac-flags-for-2-13/
lazy val scalacOptions213 = Seq(
"-deprecation", // Emit warning and location for usages of deprecated APIs.
"-explaintypes", // Explain type errors in more detail.
"-feature", // Emit warning and location for usages of features that should be imported explicitly.
"-language:existentials", // Existential types (besides wildcard types) can be written and inferred
"-language:experimental.macros", // Allow macro definition (besides implementation and application)
"-language:higherKinds", // Allow higher-kinded types
"-language:implicitConversions", // Allow definition of implicit functions called views
"-unchecked", // Enable additional warnings where generated code depends on assumptions.
"-Xcheckinit", // Wrap field accessors to throw an exception on uninitialized access.
"-Xfatal-warnings", // Fail the compilation if there are any warnings.
"-Xlint:adapted-args", // Warn if an argument list is modified to match the receiver.
"-Xlint:constant", // Evaluation of a constant arithmetic expression results in an error.
"-Xlint:delayedinit-select", // Selecting member of DelayedInit.
"-Xlint:doc-detached", // A Scaladoc comment appears to be detached from its element.
"-Xlint:inaccessible", // Warn about inaccessible types in method signatures.
"-Xlint:infer-any", // Warn when a type argument is inferred to be `Any`.
"-Xlint:missing-interpolator", // A string literal appears to be missing an interpolator id.
"-Xlint:nullary-override", // Warn when non-nullary `def f()' overrides nullary `def f'.
"-Xlint:nullary-unit", // Warn when nullary methods return Unit.
"-Xlint:option-implicit", // Option.apply used implicit view.
"-Xlint:package-object-classes", // Class or object defined in package object.
"-Xlint:poly-implicit-overload", // Parameterized overloaded implicit methods are not visible as view bounds.
"-Xlint:private-shadow", // A private field (or class parameter) shadows a superclass field.
"-Xlint:stars-align", // Pattern sequence wildcard must align with sequence component.
"-Xlint:type-parameter-shadow", // A local type parameter shadows a type already in scope.
"-Ywarn-dead-code", // Warn when dead code is identified.
"-Ywarn-extra-implicit", // Warn when more than one implicit parameter section is defined.
"-Ywarn-numeric-widen", // Warn when numerics are widened.
"-Ywarn-unused:implicits", // Warn if an implicit parameter is unused.
"-Ywarn-unused:imports", // Warn if an import selector is not referenced.
"-Ywarn-unused:locals", // Warn if a local definition is unused.
"-Ywarn-unused:params", // Warn if a value parameter is unused.
"-Ywarn-unused:patvars", // Warn if a variable bound in a pattern is unused.
"-Ywarn-unused:privates", // Warn if a private member is unused.
"-Ywarn-value-discard", // Warn when non-Unit expression results are unused.
"-Ybackend-parallelism", "8", // Enable paralellisation — change to desired number!
"-Ycache-plugin-class-loader:last-modified", // Enables caching of classloaders for compiler plugins
"-Ycache-macro-class-loader:last-modified", // and macro definitions. This can lead to performance improvements.
)
def scalacOptionsVersion(scalaVersion: String) = {
CrossVersion.partialVersion(scalaVersion) match {
case Some((2, scalaMajor)) if scalaMajor == 13 => scalacOptions213
case Some((2, scalaMajor)) if scalaMajor == 12 => scalacOptions212
case _ => scalacOptions211
}
}
scalacOptions in ThisBuild ++= scalacOptionsVersion(scalaVersion.value)
// Returns `src/{main,test}/scala-2.13+` source directory for Scala 2.13 and newer
// and a `src/{main,test}/scala-2.13-` source directory for Scala version older than 2.13
def scala213SrcDirs(srcDir: File, scalaVersion: String) = {
CrossVersion.partialVersion(scalaVersion) match {
case Some((2, scalaMajor)) if scalaMajor == 13 => srcDir / "scala-2.13+"
case _ => srcDir / "scala-2.13-"
}
}
// Applies above src directory to compile and test scopes.
val scala213Compat = Seq(
unmanagedSourceDirectories in Compile += scala213SrcDirs((sourceDirectory in Compile).value, scalaVersion.value),
unmanagedSourceDirectories in Test += scala213SrcDirs((sourceDirectory in Test).value, scalaVersion.value)
)
lazy val root = (project in file("."))
.settings(releaseIgnoreUntrackedFiles := true)
.aggregate(headed, i18n, resources, result, `result-async`, `result-specs2`, retry, timeout, `try-ops`, `typed-env`, `url`)
lazy val headed = project.settings(scala213Compat)
lazy val i18n = project.settings(scala213Compat)
lazy val resources = project.settings(scala213Compat)
lazy val result = project.settings(scala213Compat)
lazy val `result-async` = project.settings(scala213Compat).dependsOn(result, `result-specs2` % "test->compile")
lazy val `result-specs2` = project.settings(scala213Compat).dependsOn(result)
lazy val retry = project.settings(scala213Compat)
lazy val timeout = project.settings(scala213Compat)
lazy val `try-ops` = project.settings(scala213Compat)
lazy val `typed-env` = project.settings(scala213Compat).dependsOn(`try-ops`)
lazy val `url` = project.settings(scala213Compat)