From 9382fc99b7d9b710e97d181c8056b2cf74e62425 Mon Sep 17 00:00:00 2001
From: Adrien Piquerez <adrien.piquerez@gmail.com>
Date: Sat, 2 Nov 2024 12:46:23 +0100
Subject: [PATCH] Use caching in Project.transform

---
 main-settings/src/main/scala/sbt/Project.scala | 11 +++--------
 sbt-app/src/main/scala/package.scala           |  1 -
 2 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/main-settings/src/main/scala/sbt/Project.scala b/main-settings/src/main/scala/sbt/Project.scala
index 2e5b14a7d..3a6a60815 100644
--- a/main-settings/src/main/scala/sbt/Project.scala
+++ b/main-settings/src/main/scala/sbt/Project.scala
@@ -16,6 +16,7 @@ import sbt.internal.util.complete.Parser
 import sbt.internal.util.complete.DefaultParsers
 import Scope.ThisScope
 import sbt.Scope.ThisBuildScope
+import sbt.internal.util.Util
 
 sealed trait ProjectDefinition[PR <: ProjectReference] {
 
@@ -336,14 +337,8 @@ object Project:
     [a] => (k: ScopedKey[a]) => ScopedKey(f(k.scope), k.key)
 
   def transform(g: Scope => Scope, ss: Seq[Def.Setting[?]]): Seq[Def.Setting[?]] =
-    val f = mapScope(g)
-    ss.map { setting =>
-      setting.mapKey(f).mapReferenced(f)
-    }
-
-  def transformRef(g: Scope => Scope, ss: Seq[Def.Setting[?]]): Seq[Def.Setting[?]] =
-    val f = mapScope(g)
-    ss.map(_.mapReferenced(f))
+    val f = mapScope(Util.withCaching(g))
+    ss.map(_.mapKey(f).mapReferenced(f))
 
   def inThisBuild(ss: Seq[Setting[?]]): Seq[Setting[?]] =
     inScope(ThisBuildScope)(ss)
diff --git a/sbt-app/src/main/scala/package.scala b/sbt-app/src/main/scala/package.scala
index 2408e465b..1d26d38b8 100644
--- a/sbt-app/src/main/scala/package.scala
+++ b/sbt-app/src/main/scala/package.scala
@@ -33,7 +33,6 @@ package object sbt
     fillTaskAxis,
     mapScope,
     transform,
-    transformRef,
     inThisBuild,
     inScope,
     normalizeModuleID