Add dependencyOverrides for scripted-plugin

Fixes #4249

This introduces an override rule into the metabuild so scripted-plugin will align with the sbt version.

build.sbt

@@ -348,7 +348,6 @@ lazy val scriptedSbtOldProj = (project in file("scripted-sbt-old"))
   )
 
 lazy val scriptedPluginProj = (project in file("scripted-plugin"))
-  .dependsOn(mainProj)
   .settings(
     baseSettings,
     name := "Scripted Plugin",
@@ -358,7 +357,6 @@ lazy val scriptedPluginProj = (project in file("scripted-plugin"))
       exclude[MissingClassProblem]("sbt.ScriptedPlugin*")
     ),
   )
-  .configure(addSbtCompilerClasspath)
 
 // Implementation and support code for defining actions.
 lazy val actionsProj = (project in file("main-actions"))
@@ -538,7 +536,8 @@ lazy val mainSettingsProj = (project in file("main-settings"))
 // The main integration project for sbt.  It brings all of the projects together, configures them, and provides for overriding conventions.
 lazy val mainProj = (project in file("main"))
   .enablePlugins(ContrabandPlugin)
-  .dependsOn(logicProj, actionsProj, mainSettingsProj, runProj, commandProj, collectionProj, scriptedSbtReduxProj)
+  .dependsOn(logicProj, actionsProj, mainSettingsProj, runProj, commandProj, collectionProj,
+    scriptedSbtReduxProj, scriptedPluginProj)
   .settings(
     testedBaseSettings,
     name := "Main",

main/src/main/scala/sbt/Defaults.scala

@@ -2190,6 +2190,16 @@ object Classpaths {
         val isDotty = ScalaInstance.isDotty(version)
         ScalaArtifacts.toolDependencies(sbtOrg, version, isDotty) ++ pluginAdjust
       }
+    },
+    dependencyOverrides ++= {
+      val old = dependencyOverrides.value
+      val isPlugin = sbtPlugin.value
+      val app = appConfiguration.value
+      val id = app.provider.id
+      val sv = (sbtVersion in pluginCrossBuild).value
+      val base = ModuleID(id.groupID, "scripted-plugin", sv).withCrossVersion(CrossVersion.binary)
+      if (isPlugin) Seq(base)
+      else Seq()
     }
   )
 

sbt/src/sbt-test/project/giter8-plugin/build.sbt

@@ -0,0 +1 @@
+enablePlugins(ScriptedPlugin)

sbt/src/sbt-test/project/giter8-plugin/project/p.sbt

@@ -0,0 +1 @@
+addSbtPlugin("org.foundweekends.giter8" %% "sbt-giter8" % "0.11.0-M4")

sbt/src/sbt-test/project/giter8-plugin/test

@@ -0,0 +1 @@
+> about

scripted-sbt-redux/src/main/scala/sbt/scriptedtest/ScriptedTests.scala

@@ -218,6 +218,7 @@ final class ScriptedTests(
       case "project/extra"                                          => LauncherBased // tbd
       case "project/flatten"                                        => LauncherBased // sbt/Package$
       case "project/generated-root-no-publish"                      => LauncherBased // tbd
+      case "project/giter8-plugin"                                  => LauncherBased // tbd
       case "project/lib"                                            => LauncherBased // sbt/Package$
       case "project/scripted-plugin"                                => LauncherBased // tbd
       case "project/scripted-skip-incompatible"                     => LauncherBased // sbt/Package$