gradle.kts legacy: out of project script notification

idea/idea-gradle/src/org/jetbrains/kotlin/idea/scripting/gradle/GradleScriptNotificationProvider.kt

@@ -30,6 +30,14 @@ class GradleScriptNotificationProvider(private val project: Project) :
         val scriptUnderRoot = rootsManager.findScriptBuildRoot(file) ?: return null
         return when (scriptUnderRoot.notificationKind) {
             dontCare -> null
+            legacyOutside -> EditorNotificationPanel().apply {
+                text("Out of project script")
+                createActionLabel(KotlinIdeaGradleBundle.message("notification.notEvaluatedInLastImport.addAsStandaloneAction")) {
+                    rootsManager.updateStandaloneScripts {
+                        addStandaloneScript(file.path)
+                    }
+                }
+            }
             outsideAnything -> EditorNotificationPanel().apply {
                 text(KotlinIdeaGradleBundle.message("notification.outsideAnything.text"))
                 createActionLabel(KotlinIdeaGradleBundle.message("notification.outsideAnything.linkAction")) {

idea/idea-gradle/src/org/jetbrains/kotlin/idea/scripting/gradle/roots/GradleBuildRootsLocator.kt

@@ -89,7 +89,10 @@ abstract class GradleBuildRootsLocator {
                 nearest == null -> NotificationKind.outsideAnything
                 importing -> NotificationKind.dontCare
                 else -> when (nearest) {
-                    is Legacy -> NotificationKind.dontCare
+                    is Legacy -> when {
+                        root == null -> NotificationKind.legacyOutside
+                        else -> NotificationKind.dontCare
+                    }
                     is New -> NotificationKind.wasNotImportedAfterCreation
                     is Imported -> when {
                         wasImportedAndNotEvaluated -> NotificationKind.notEvaluatedInLastImport
@@ -141,14 +144,10 @@ abstract class GradleBuildRootsLocator {
             return ScriptUnderRoot(filePath, standaloneScriptRoot, standalone = true)
         }
 
-        if (searchNearestLegacy) {
-            val nearest = roots.findNearestRoot(filePath)
-            return when (nearest) {
-                is Legacy -> ScriptUnderRoot(filePath, nearest)
-                else -> ScriptUnderRoot(filePath, null, nearest = nearest)
-            }
-        } else {
-            return ScriptUnderRoot(filePath, null)
-        }
+        val nearest =
+            if (searchNearestLegacy) roots.findNearestRoot(filePath)
+            else null
+
+        return ScriptUnderRoot(filePath, null, nearest = nearest)
     }
 }

idea/idea-gradle/src/org/jetbrains/kotlin/idea/scripting/gradle/roots/GradleBuildRootsManager.kt

@@ -83,7 +83,7 @@ class GradleBuildRootsManager(val project: Project) : GradleBuildRootsLocator(),
 
     override fun isApplicable(file: VirtualFile): Boolean {
         val scriptUnderRoot = findScriptBuildRoot(file) ?: return false
-        if (scriptUnderRoot.root is Legacy) return false
+        if (scriptUnderRoot.nearest is Legacy) return false
         if (roots.isStandaloneScript(file.path)) return false
         return true
     }

idea/idea-gradle/src/org/jetbrains/kotlin/idea/scripting/gradle/utils.kt

@@ -63,7 +63,7 @@ fun getGradleScriptInputsStamp(
                     }
                 }
 
-            val buildRoot = GradleBuildRootsManager.getInstance(project).findScriptBuildRoot(file)?.root as? GradleBuildRoot
+            val buildRoot = GradleBuildRootsManager.getInstance(project).findScriptBuildRoot(file)?.nearest as? GradleBuildRoot
             GradleKotlinScriptConfigurationInputs(result.toString(), givenTimeStamp, buildRoot?.pathPrefix)
         } else null
     }