Ask for permission to delete files

Author: dnestoro

tests/tck-build-logic/src/main/java/org/graalvm/internal/tck/ContributionTask.java

@@ -318,6 +318,12 @@ private void addTests(Path originalTestsLocation){
                 .resolve("java");
         Path allTests = originalTestsLocation.resolve(".");
 
+        ensureFileBelongsToProject(destination);
+        boolean shouldDelete = InteractiveTaskUtils.askForDeletePermission(destination);
+        if (!shouldDelete) {
+            throw new RuntimeException("The task didn't get permission to delete dummy stubs. Cannot proceed with the task execution");
+        }
+
         InteractiveTaskUtils.printUserInfo("Removing dummy test stubs");
         invokeCommand("rm -r " + destination, "Cannot delete files from: " + destination);
 
@@ -504,18 +510,24 @@ private void removeEmptyConfigFiles() throws IOException {
         if (Files.exists(agentExtractedPredefinedClasses)) {
             File[] extractedPredefinedClasses = new File(agentExtractedPredefinedClasses.toUri()).listFiles();
             if (extractedPredefinedClasses == null || extractedPredefinedClasses.length == 0) {
-                InteractiveTaskUtils.printUserInfo("Removing empty: agent-extracted-predefined-classes");
-                invokeCommand("rm -r " + agentExtractedPredefinedClasses, "Cannot delete empty config file: " + agentExtractedPredefinedClasses);
+                boolean canDelete = InteractiveTaskUtils.askForDeletePermission(agentExtractedPredefinedClasses);
+                if (canDelete) {
+                    InteractiveTaskUtils.printUserInfo("Removing empty: agent-extracted-predefined-classes");
+                    invokeCommand("rm -r " + agentExtractedPredefinedClasses, "Cannot delete empty config file: " + agentExtractedPredefinedClasses);
+                }
             }
         }
 
         trimIndexFile(indexFile, remainingFiles);
     }
 
     private void removeConfigFile(Path path, CONFIG_FILES file, List<CONFIG_FILES> remainingFiles) {
-        InteractiveTaskUtils.printUserInfo("Removing empty: " + file.get());
-        invokeCommand("rm " + path, "Cannot delete empty config file: " + path);
-        remainingFiles.remove(file);
+        boolean canDelete = InteractiveTaskUtils.askForDeletePermission(path);
+        if (canDelete) {
+            InteractiveTaskUtils.printUserInfo("Removing empty: " + file.get());
+            invokeCommand("rm " + path, "Cannot delete empty config file: " + path);
+            remainingFiles.remove(file);
+        }
     }
 
     private void trimIndexFile(Path index, List<CONFIG_FILES> remainingFiles) throws IOException {
@@ -592,4 +604,10 @@ private void invokeCommand(String executable, List<String> args, String errorMes
             throw new RuntimeException(errorMessage + ". See: " + execOutput);
         }
     }
+
+    private void ensureFileBelongsToProject(Path file) {
+        if (!file.startsWith(getProject().getProjectDir().getAbsolutePath())) {
+            throw new RuntimeException("The following file doesn't belong to the metadata repository: " + file);
+        }
+    }
 }

tests/tck-build-logic/src/main/java/org/graalvm/internal/tck/utils/InteractiveTaskUtils.java

@@ -1,5 +1,6 @@
 package org.graalvm.internal.tck.utils;
 
+import java.nio.file.Path;
 import java.util.Scanner;
 import java.util.function.Function;
 
@@ -52,6 +53,15 @@ public static boolean askYesNoQuestion(String question, String helpMessage, bool
         }
     }
 
+    public static boolean askForDeletePermission(Path file) {
+        String question = "Please double check that the task can remove the following file: " + file +
+                ". If this file is not generated by the task, please report the error on the metadata repository. " +
+                "Can the task delete this file? [y/N]";
+        String help = "The task should only remove dummy files generated in the previous step. Please verify that the following file can be removed: " + file;
+
+        return askYesNoQuestion(question, help, false);
+    }
+
     public static void closeSection() {
         ColoredOutput.println("------------------------------------------------------------------------------------------", ColoredOutput.OUTPUT_COLOR.BLUE);
     }