config macro

sbt-app/src/main/scala/package.scala

@@ -10,7 +10,7 @@ import sjsonnew.JsonFormat
 import java.nio.file.{ Path => NioPath }
 
 import sbt.internal.FileChangesMacro
-
+import sbt.librarymanagement.{ Configuration, ConfigurationMacro }
 import scala.language.experimental.macros
 
 package object sbt
@@ -59,6 +59,7 @@ package object sbt
   final val Global = Scope.Global
   final val GlobalScope = Scope.GlobalScope
 
-  // def config(name: String): Configuration =
-  //   macro sbt.librarymanagement.ConfigurationMacro.configMacroImpl
+  inline def config(name: String): Configuration = ${
+    ConfigurationMacro.configMacroImpl('{ name })
+  }
 }

sbt-app/src/sbt-test/project/auto-plugins/build.sbt

@@ -53,9 +53,9 @@ check := {
   same(globalValue, "global 0", "demo in Global")
   val projValue = (projC / demo).?.value
   same(projValue, Some("project projC Q R"), "demo in projC")
-  val qValue = (Quux / del in projC)(projC / del).?.value
+  val qValue = (projC / Quux / del).?.value
   same(qValue, Some(" Q R"), "del in projC in Quux")
-  val optInValue = (Quux / del in projE)(projE / del).value
+  val optInValue = (projE / Quux / del).value
   same(optInValue, " Q S R", "del in projE in Quux")
   val overrideOrgValue = (projE / organization).value
   same(overrideOrgValue, "S", "organization in projE")

sbt-app/src/sbt-test/project/auto-plugins/project/Q.scala

@@ -75,7 +75,7 @@ object R extends AutoPlugin {
     // tests proper ordering: R requires Q, so Q settings should come first
     Quux / del += " R",
     // tests that configurations are properly registered, enabling delegation from p to q
-    demo += (del in Pippy).value
+    demo += (Pippy / del).value
   )
 }