1. Further simplify javac settings (no dependency scope)

2. Configure minimized projects as java only

Namely, disable incremental compilation, as it seems to wreak havoc

Author: keynmol

build.sbt

@@ -311,7 +311,7 @@ lazy val minimizedSettings = List[Def.Setting[_]](
   (run / fork) := true,
   (Compile / unmanagedSourceDirectories) += minimizedSourceDirectory,
   libraryDependencies ++= List("org.projectlombok" % "lombok" % "1.18.22"),
-  (Compile / javacOptions) ++=
+  javacOptions ++=
     List[String](
       s"-Arandomtimestamp=${System.nanoTime()}",
       List(
@@ -327,13 +327,13 @@ lazy val minimizedSettings = List[Def.Setting[_]](
 
 lazy val minimized = project
   .in(file("tests/minimized/.j11"))
-  .settings(minimizedSettings)
+  .settings(minimizedSettings, javaOnlySettings)
   .dependsOn(agent, plugin)
   .disablePlugins(JavaFormatterPlugin)
 
 lazy val minimized8 = project
   .in(file("tests/minimized/.j8"))
-  .settings(minimizedSettings, javaToolchainVersion := "8")
+  .settings(minimizedSettings, javaToolchainVersion := "8", javaOnlySettings)
   .dependsOn(agent, plugin)
   .disablePlugins(JavaFormatterPlugin)
 
@@ -354,6 +354,7 @@ def javacModuleOptions =
 lazy val minimized17 = project
   .in(file("tests/minimized/.j17"))
   .settings(
+    javaOnlySettings,
     minimizedSettings,
     javaToolchainVersion := "17",
     javacOptions ++= javacModuleOptions
@@ -452,7 +453,7 @@ lazy val docs = project
 lazy val javaOnlySettings = List[Def.Setting[_]](
   autoScalaLibrary := false,
   incOptions ~= { old =>
-    old.withEnabled(false)
+    old.withEnabled(false).withApiDebug(true)
   },
   crossPaths := false
 )

project/JavaToolchainPlugin.scala

@@ -26,7 +26,7 @@ object JavaToolchainPlugin extends AutoPlugin {
   }
   import autoImport._
 
-  lazy val configSettings = List(
+  override lazy val projectSettings: Seq[Def.Setting[_]] = List(
     javacOptions ++=
       List(
         "-target",
@@ -40,21 +40,14 @@ object JavaToolchainPlugin extends AutoPlugin {
     (doc / javacOptions) --= bootclasspathSettings(javaToolchainVersion.value),
     (doc / javacOptions) --= List("-g"),
     javacOptions ++= bootclasspathSettings(javaToolchainVersion.value),
-    javaOptions ++= bootclasspathSettings(javaToolchainVersion.value)
+    javaOptions ++= bootclasspathSettings(javaToolchainVersion.value),
+    fork := true,
+    javaToolchainVersion := "11",
+    javaToolchainJvmIndex := None,
+    javaHome :=
+      Some(getJavaHome(javaToolchainVersion.value, javaToolchainJvmIndex.value))
   )
 
-  override lazy val projectSettings: Seq[Def.Setting[_]] =
-    List(Compile, Test).flatMap(c => inConfig(c)(configSettings)) ++
-      List(
-        fork := true,
-        javaToolchainVersion := "11",
-        javaToolchainJvmIndex := None,
-        javaHome :=
-          Some(
-            getJavaHome(javaToolchainVersion.value, javaToolchainJvmIndex.value)
-          )
-      )
-
   /**
    * For Java 8, we need to manually add the Java compiler to the boot
    * classpath.