- Make `T.ctx()` available implicitly

- Convert `ScalaModule.{compile,assembly}` to use the new implicit `T.ctx()`
- Add a `log: PrintStream` to the `T.ctx()`, in preparation for per-task logging

3 files changed, 8 insertions, 3 deletions

diff --git a/core/src/test/examples/javac/build.sc b/core/src/test/examples/javac/build.sc
index a54e2110..e4f7ea01 100644
--- a/core/src/test/examples/javac/build.sc
+++ b/core/src/test/examples/javac/build.sc
@@ -8,7 +8,7 @@ object Foo {
 
   import ammonite.ops.{ls, pwd, read}
   import mill.discover.Discovered
-  import mill.util.Args
+  import mill.util.Ctx
 
   val workspacePath = pwd / 'target / 'workspace / 'javac
   val javacSrcPath = pwd / 'src / 'test / 'examples / 'javac
@@ -45,7 +45,7 @@ object Foo {
 
     val inputs = roots
 
-    def evaluate(args: Args): PathRef = {
+    def evaluate(args: Ctx): PathRef = {
 
       val output = new java.util.jar.JarOutputStream(new FileOutputStream(args.dest.toIO))
       for {
diff --git a/core/src/test/scala/mill/define/ApplicativeTests.scala b/core/src/test/scala/mill/define/ApplicativeTests.scala
index 7e31b08e..7e325184 100644
--- a/core/src/test/scala/mill/define/ApplicativeTests.scala
+++ b/core/src/test/scala/mill/define/ApplicativeTests.scala
@@ -1,7 +1,9 @@
 package mill.define
 
+import mill.define.Applicative.ImplicitStub
 import utest._
 
+import scala.annotation.compileTimeOnly
 import scala.language.experimental.macros
 
 
@@ -44,6 +46,9 @@ object ApplicativeTests extends TestSuite {
       value
     }
   }
+  @compileTimeOnly("Target.ctx() can only be used with a T{...} block")
+  @ImplicitStub
+  implicit def taskCtx: String = ???
 
   val tests = Tests{
 
diff --git a/core/src/test/scala/mill/util/TestUtil.scala b/core/src/test/scala/mill/util/TestUtil.scala
index be6bb8e9..a456b22b 100644
--- a/core/src/test/scala/mill/util/TestUtil.scala
+++ b/core/src/test/scala/mill/util/TestUtil.scala
@@ -21,7 +21,7 @@ object TestUtil {
     var counter = 0
     var failure = Option.empty[String]
     var exception = Option.empty[Throwable]
-    override def evaluate(args: Args) = {
+    override def evaluate(args: Ctx) = {
       failure.map(Result.Failure) orElse
       exception.map(Result.Exception) getOrElse
       Result.Success(counter + args.args.map(_.asInstanceOf[Int]).sum)