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package mill
package scalalib
import mill.define.Cross.Resolver
import mill.define.{Cross, Task}
import mill.eval.{PathRef, Result}
import mill.util.Loose.Agg
trait SbtModule extends ScalaModule { outer =>
override def sources = T.input{ Agg(PathRef(basePath / 'src / 'main / 'scala)) }
override def resources = T.input{ Agg(PathRef(basePath / 'src / 'main / 'resources)) }
trait Tests extends super.Tests {
override def basePath = outer.basePath
override def sources = T.input{ Agg(PathRef(basePath / 'src / 'test / 'scala)) }
override def resources = T.input{ Agg(PathRef(basePath / 'src / 'test / 'resources)) }
}
}
trait CrossSbtModule extends SbtModule { outer =>
override def basePath = super.basePath / ammonite.ops.up
implicit def crossSbtModuleResolver: Resolver[CrossSbtModule] = new Resolver[CrossSbtModule]{
def resolve[V <: CrossSbtModule](c: Cross[V]): V = {
crossScalaVersion.split('.')
.inits
.takeWhile(_.length > 1)
.flatMap( prefix =>
c.items.map(_._2).find(_.crossScalaVersion.split('.').startsWith(prefix))
)
.collectFirst{case x => x}
.getOrElse(
throw new Exception(
s"Unable to find compatible cross version between $crossScalaVersion and "+
c.items.map(_._2.crossScalaVersion).mkString(",")
)
)
}
}
def crossScalaVersion: String
def scalaVersion = crossScalaVersion
override def sources = T.input{
super.sources() ++
crossScalaVersion.split('.').inits.filter(_.nonEmpty).map(_.mkString(".")).map{
s => PathRef{ basePath / 'src / 'main / s"scala-$s" }
}
}
override def resources = T.input{ Agg(PathRef(basePath / 'src / 'main / 'resources)) }
trait Tests extends super.Tests {
override def basePath = outer.basePath
override def sources = T.input{
super.sources() ++
crossScalaVersion.split('.').inits.filter(_.nonEmpty).map(_.mkString(".")).map{
s => PathRef{ basePath / 'src / 'test / s"scala-$s" }
}
}
override def resources = T.input{ Agg(PathRef(basePath / 'src / 'test / 'resources)) }
}
}
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