[gradle] don't enlarge scope for local entities

^KTIJ-29258 fixed

GitOrigin-RevId: b79035b1e2d40fef0318b3ae464a69d3ecc279b4

plugins/gradle/java/src/config/GradleUseScopeEnlarger.kt

@@ -14,6 +14,7 @@ import com.intellij.psi.PsiElement
 import com.intellij.psi.PsiElementFinder
 import com.intellij.psi.PsiMember
 import com.intellij.psi.PsiReference
+import com.intellij.psi.search.LocalSearchScope
 import com.intellij.psi.search.SearchScope
 import com.intellij.psi.search.UseScopeEnlarger
 import com.intellij.psi.search.searches.ReferencesSearch
@@ -43,6 +44,10 @@ class GradleUseScopeEnlarger : UseScopeEnlarger() {
 
       if (!isInBuildSrc(project, virtualFile) && !isInGradleDistribution(project, virtualFile)) return null
 
+      val useScope = element.useScope
+      if (useScope is LocalSearchScope && useScope.virtualFiles.singleOrNull() == virtualFile) {
+        return null
+      }
 
       return GradleBuildscriptSearchScope(element.project)
     }

plugins/gradle/java/testSources/dsl/GradleFindUsagesTest.kt

@@ -1,6 +1,7 @@
 // Copyright 2000-2022 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package org.jetbrains.plugins.gradle.dsl
 
+import com.intellij.psi.search.LocalSearchScope
 import com.intellij.psi.search.searches.ReferencesSearch
 import com.intellij.testFramework.runInEdtAndWait
 import org.gradle.util.GradleVersion
@@ -36,6 +37,29 @@ class GradleFindUsagesTest: GradleCodeInsightTestCase() {
     }
   }
 
+  @ParameterizedTest
+  @BaseGradleVersionSource
+  fun testLocalProperty(gradleVersion: GradleVersion) {
+    test(gradleVersion, VERSION_CATALOG_FIXTURE) {
+      writeTextAndCommit("build.gradle", """
+        tasks.register('hello') {
+            doLast {
+                def <caret>a = 0
+                println a
+            }
+        }
+      """.trimIndent())
+      runInEdtAndWait {
+        codeInsightFixture.configureFromExistingVirtualFile(getFile("build.gradle"))
+        val property = fixture.elementAtCaret // what
+        Assertions.assertTrue(property.useScope is LocalSearchScope)
+        val usages = ReferencesSearch.search(property).findAll()
+        Assertions.assertTrue(usages.size == 1)
+        Assertions.assertTrue(usages.single().element.containingFile.name == "build.gradle")
+      }
+    }
+  }
+
   companion object {
 
     private val VERSION_CATALOG_FIXTURE = GradleTestFixtureBuilder.create("GradleVersionCatalogs-findUsages") {