Use same system property to avoid deleting module file in JPS and Gradle

build-common/src/org/jetbrains/kotlin/incremental/buildUtil.kt

@@ -34,6 +34,8 @@ import org.jetbrains.kotlin.synthetic.SAM_LOOKUP_NAME
 import java.io.File
 import java.util.*
 
+const val DELETE_MODULE_FILE_PROPERTY = "kotlin.delete.module.file.after.build"
+
 fun makeModuleFile(
         name: String,
         isTest: Boolean,

jps-plugin/src/org/jetbrains/kotlin/jps/platforms/KotlinJvmModuleBuildTarget.kt

@@ -28,12 +28,9 @@ import org.jetbrains.kotlin.compilerRunner.JpsCompilerEnvironment
 import org.jetbrains.kotlin.compilerRunner.JpsKotlinCompilerRunner
 import org.jetbrains.kotlin.config.IncrementalCompilation
 import org.jetbrains.kotlin.config.Services
-import org.jetbrains.kotlin.incremental.ChangesCollector
-import org.jetbrains.kotlin.incremental.IncrementalCompilationComponentsImpl
-import org.jetbrains.kotlin.incremental.IncrementalJvmCache
+import org.jetbrains.kotlin.incremental.*
 import org.jetbrains.kotlin.incremental.components.ExpectActualTracker
 import org.jetbrains.kotlin.incremental.components.LookupTracker
-import org.jetbrains.kotlin.incremental.updateIncrementalCache
 import org.jetbrains.kotlin.jps.build.KotlinBuilder
 import org.jetbrains.kotlin.jps.build.KotlinDirtySourceFilesHolder
 import org.jetbrains.kotlin.jps.incremental.JpsIncrementalCache
@@ -131,7 +128,7 @@ class KotlinJvmModuleBuildTarget(compileContext: CompileContext, jpsModuleBuildT
                 moduleFile
             )
         } finally {
-            if (System.getProperty("kotlin.jps.delete.module.file.after.build") != "false") {
+            if (System.getProperty(DELETE_MODULE_FILE_PROPERTY) != "false") {
                 moduleFile.delete()
             }
         }

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/compilerRunner/GradleKotlinCompilerRunner.kt

@@ -111,15 +111,10 @@ internal class GradleCompilerRunner(private val project: Project) : KotlinCompil
             args.destination = null
         }
 
-        var deleteBuildFile = true
-
         try {
-            val res = runCompiler(K2JVM_COMPILER, args, environment)
-            deleteBuildFile = (res == ExitCode.OK || System.getProperty("kotlin.compiler.leave.module.file.on.error") == null)
-            return res
-        }
-        finally {
-            if (deleteBuildFile) {
+            return runCompiler(K2JVM_COMPILER, args, environment)
+        } finally {
+            if (System.getProperty(DELETE_MODULE_FILE_PROPERTY) != "false") {
                 buildFile.delete()
             }
         }