[FIXED JENKINS-26250] Asynchronous delete of workspace does not detec…

…t fail to rename

src/main/java/hudson/plugins/ws_cleanup/Wipeout.java

@@ -25,6 +25,8 @@
 
 import java.io.File;
 import java.io.IOException;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 
 import hudson.FilePath;
 import hudson.FilePath.FileCallable;
@@ -51,6 +53,16 @@
     protected void perform(FilePath workspace) throws IOException, InterruptedException {
         final FilePath deleteMe = workspace.withSuffix("_ws-cleanup_" + System.currentTimeMillis());
         workspace.renameTo(deleteMe);
+
+        if (!deleteMe.exists()) {
+            LOGGER.log(
+                    Level.WARNING,
+                    "Cleaning workspace synchronously. Failed to rename {0} to {1}.",
+                    new Object[] { workspace.getRemote(), deleteMe.getName() }
+            );
+            workspace.act(COMMAND);
+        }
+
         deleteMe.actAsync(COMMAND);
     }
 
@@ -61,4 +73,6 @@ public Object invoke(File f, VirtualChannel channel) throws IOException, Interru
             return null;
         }
     }
+
+    private static final Logger LOGGER = Logger.getLogger(Wipeout.class.getName());
 }

src/test/java/hudson/plugins/ws_cleanup/CleanupTest.java

@@ -25,7 +25,9 @@
 
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
+import static org.junit.Assume.assumeTrue;
 import hudson.FilePath;
+import hudson.Functions;
 import hudson.Launcher;
 import hudson.matrix.AxisList;
 import hudson.matrix.MatrixRun;
@@ -51,6 +53,7 @@
 
 import org.junit.Rule;
 import org.junit.Test;
+import org.jvnet.hudson.test.Bug;
 import org.jvnet.hudson.test.JenkinsRule;
 
 public class CleanupTest {
@@ -150,6 +153,24 @@ public void deleteWorkspaceWithNonAsciiCharacters() throws Exception {
         assertWorkspaceCleanedUp(build);
     }
 
+    @Test @Bug(26250)
+    public void doNotFailToWipeoutWhenRenameFails() throws Exception {
+        assumeTrue(!Functions.isWindows()); // chmod does not work here
+
+        FreeStyleProject p = j.jenkins.createProject(FreeStyleProject.class, "sut");
+        populateWorkspace(p, "content.txt");
+        p.getPublishersList().add(wipeoutPublisher());
+
+        FilePath workspace = p.getLastBuild().getWorkspace();
+        workspace.getParent().chmod(0555); // Remove write for parent dir so rename will fail
+
+        workspace.renameTo(workspace.withSuffix("2"));
+        assertTrue("Rename operation should fail", workspace.exists());
+
+        FreeStyleBuild build = j.buildAndAssertSuccess(p);
+        assertWorkspaceCleanedUp(build);
+    }
+
     private WsCleanup wipeoutPublisher() {
         return new WsCleanup(Collections.<Pattern>emptyList(), false,
                 true, true, true, true, true, true, true, // run always
@@ -163,7 +184,7 @@ private void populateWorkspace(FreeStyleProject p, String filename) throws Excep
         assertFalse("Workspace populated", b.getWorkspace().list().isEmpty());
     }
 
-    private void assertWorkspaceCleanedUp(AbstractBuild b) throws Exception {
+    private void assertWorkspaceCleanedUp(AbstractBuild<?, ?> b) throws Exception {
         final FilePath workspace = b.getWorkspace();
         if (workspace == null) return; // removed