From e5c5804272c8b02f7205a80c3bbecaad41b69a32 Mon Sep 17 00:00:00 2001
From: Cathy Chan <cchan@cloudbees.com>
Date: Fri, 6 May 2022 18:49:00 -0400
Subject: [PATCH] Delete parent directory to force clone

---
 .../jenkins/tools/test/hook/AbstractMultiParentHook.java   | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/plugins-compat-tester/src/main/java/org/jenkins/tools/test/hook/AbstractMultiParentHook.java b/plugins-compat-tester/src/main/java/org/jenkins/tools/test/hook/AbstractMultiParentHook.java
index 457d6befa..aa479cf3f 100644
--- a/plugins-compat-tester/src/main/java/org/jenkins/tools/test/hook/AbstractMultiParentHook.java
+++ b/plugins-compat-tester/src/main/java/org/jenkins/tools/test/hook/AbstractMultiParentHook.java
@@ -2,6 +2,7 @@
 
 import hudson.model.UpdateSite;
 import java.io.File;
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
@@ -15,6 +16,7 @@
 import org.apache.maven.scm.repository.ScmRepository;
 import org.apache.maven.scm.repository.ScmRepositoryException;
 import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
+import org.codehaus.plexus.util.FileUtils;
 import org.jenkins.tools.test.PluginCompatTester;
 import org.jenkins.tools.test.SCMManagerFactory;
 import org.jenkins.tools.test.model.PluginCompatTesterConfig;
@@ -80,7 +82,7 @@ public Map<String, Object> action(Map<String, Object> moreInfo) throws Exception
     }
 
     private void cloneFromSCM(UpdateSite.Plugin currentPlugin, File parentPath, String scmTag, String url, String fallbackGitHubOrganization)
-            throws ComponentLookupException, ScmRepositoryException, NoSuchScmProviderException, ScmException {
+            throws ComponentLookupException, ScmRepositoryException, NoSuchScmProviderException, ScmException, IOException {
         
         List<String> connectionURLs = new ArrayList<String>();
         connectionURLs.add(url);
@@ -97,6 +99,9 @@ private void cloneFromSCM(UpdateSite.Plugin currentPlugin, File parentPath, Stri
                 connectionURL = connectionURL.replace("git://", "https://"); // See: https://github.blog/2021-09-01-improving-git-protocol-security-github/
             }
             System.out.println("Checking out from SCM connection URL: " + connectionURL + " (" + getParentProjectName() + "-" + currentPlugin.version + ") at tag " + scmTag);
+            if (parentPath.isDirectory()) {
+                FileUtils.deleteDirectory(parentPath);
+            }
             repository = scmManager.makeScmRepository(connectionURL);
             CheckOutScmResult result = scmManager.checkOut(repository, new ScmFileSet(parentPath), new ScmTag(scmTag));
             if(result.isSuccess()){