Merge pull request #5498 from nextcloud/bugfix/doNotRestoreVirtualFiles

Bugfix/do not restore virtual files

src/libsync/propagateupload.cpp

@@ -255,6 +255,8 @@ void PropagateUploadFileCommon::setupUnencryptedFile()
 }
 
 void PropagateUploadFileCommon::startUploadFile() {
+    Q_ASSERT(_item->_type != CSyncEnums::ItemTypeVirtualFile);
+
     if (propagator()->_abortRequested) {
         return;
     }

src/libsync/syncengine.cpp

@@ -992,9 +992,11 @@ void SyncEngine::restoreOldFiles(SyncFileItemVector &syncItems)
             syncItem->_instruction = CSYNC_INSTRUCTION_CONFLICT;
             break;
         case CSYNC_INSTRUCTION_REMOVE:
-            qCWarning(lcEngine) << "restoreOldFiles: RESTORING" << syncItem->_file;
-            syncItem->_instruction = CSYNC_INSTRUCTION_NEW;
-            syncItem->_direction = SyncFileItem::Up;
+            if (syncItem->_type != CSyncEnums::ItemTypeVirtualFile && syncItem->_type != CSyncEnums::ItemTypeVirtualFileDownload) {
+                qCWarning(lcEngine) << "restoreOldFiles: RESTORING" << syncItem->_file;
+                syncItem->_instruction = CSYNC_INSTRUCTION_NEW;
+                syncItem->_direction = SyncFileItem::Up;
+            }
             break;
         case CSYNC_INSTRUCTION_RENAME:
         case CSYNC_INSTRUCTION_NEW:

test/testsynccfapi.cpp

@@ -1218,6 +1218,32 @@ private slots:
             CFVERIFY_VIRTUAL(fakeFolder, "online/sub/file1");
         }
     }
+
+    void testDataFingerPrint()
+    {
+        FakeFolder fakeFolder{ FileInfo{} };
+        setupVfs(fakeFolder);
+
+        fakeFolder.remoteModifier().mkdir("a");
+        fakeFolder.remoteModifier().mkdir("a/b");
+        fakeFolder.remoteModifier().mkdir("a/b/d");
+        fakeFolder.remoteModifier().insert("a/b/otherFile.txt");
+
+        //Server support finger print, but none is set.
+        fakeFolder.remoteModifier().extraDavProperties = "<oc:data-fingerprint></oc:data-fingerprint>";
+
+        fakeFolder.syncEngine().setLocalDiscoveryOptions(OCC::LocalDiscoveryStyle::DatabaseAndFilesystem);
+        QVERIFY(fakeFolder.syncOnce());
+
+        fakeFolder.remoteModifier().remove("a/b/otherFile.txt");
+        fakeFolder.remoteModifier().remove("a/b/d");
+        fakeFolder.remoteModifier().extraDavProperties = "<oc:data-fingerprint>initial_finger_print</oc:data-fingerprint>";
+
+        fakeFolder.syncEngine().setLocalDiscoveryOptions(OCC::LocalDiscoveryStyle::DatabaseAndFilesystem);
+        QVERIFY(fakeFolder.syncOnce());
+
+        QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
+    }
 };
 
 QTEST_GUILESS_MAIN(TestSyncCfApi)

test/testsyncvirtualfiles.cpp

@@ -1880,6 +1880,32 @@ private slots:
         conflicts = findCaseClashConflicts(*fakeFolder.currentLocalState().find("a/b"));
         QCOMPARE(conflicts.size(), shouldHaveCaseClashConflict ? 1 : 0);
     }
+
+    void testDataFingerPrint()
+    {
+        FakeFolder fakeFolder{ FileInfo{} };
+        setupVfs(fakeFolder);
+
+        fakeFolder.remoteModifier().mkdir("a");
+        fakeFolder.remoteModifier().mkdir("a/b");
+        fakeFolder.remoteModifier().mkdir("a/b/d");
+        fakeFolder.remoteModifier().insert("a/b/otherFile.txt");
+
+        //Server support finger print, but none is set.
+        fakeFolder.remoteModifier().extraDavProperties = "<oc:data-fingerprint></oc:data-fingerprint>";
+
+        fakeFolder.syncEngine().setLocalDiscoveryOptions(OCC::LocalDiscoveryStyle::DatabaseAndFilesystem);
+        QVERIFY(fakeFolder.syncOnce());
+
+        fakeFolder.remoteModifier().remove("a/b/otherFile.txt");
+        fakeFolder.remoteModifier().remove("a/b/d");
+        fakeFolder.remoteModifier().extraDavProperties = "<oc:data-fingerprint>initial_finger_print</oc:data-fingerprint>";
+
+        fakeFolder.syncEngine().setLocalDiscoveryOptions(OCC::LocalDiscoveryStyle::DatabaseAndFilesystem);
+        QVERIFY(fakeFolder.syncOnce());
+
+        QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
+    }
 };
 
 QTEST_GUILESS_MAIN(TestSyncVirtualFiles)