SyncEngine: Fix renaming a folder should keep the selective sync state

Issue #5224

Two problems:

 - In the discovery phase, we need to check the selective sync entries of
   the source path in case of renames.

 - When the rename is done, we need to actually update the black list in the
   database.

src/gui/application.cpp

@@ -336,13 +336,8 @@ void Application::slotownCloudWizardDone( int res )
         _checkConnectionTimer.start();
         slotCheckConnection();
 
-        // If one account is configured: enable autostart
-        bool shouldSetAutoStart = (accountMan->accounts().size() == 1);
-#ifdef Q_OS_MAC
-        // Don't auto start when not being 'installed'
-        shouldSetAutoStart = shouldSetAutoStart
-                && QCoreApplication::applicationDirPath().startsWith("/Applications/");
-#endif
+        // The very first time an account is configured: enabled autostart
+        // TODO: Doing this every time the account wizard finishes will annoy users.
         Utility::setLaunchOnStartup(_theme->appName(), _theme->appNameGUI(), true);
     }
 }

src/gui/folder.cpp

@@ -188,7 +188,7 @@ QString Folder::shortGuiLocalPath() const
 }
 
 
-bool Folder::ignoreHiddenFiles() const
+bool Folder::ignoreHiddenFiles()
 {
     bool re(_definition.ignoreHiddenFiles);
     return re;

src/gui/folder.h

@@ -167,7 +167,7 @@ public:
       * Ignore syncing of hidden files or not. This is defined in the
       * folder definition
       */
-     bool ignoreHiddenFiles() const;
+     bool ignoreHiddenFiles();
      void setIgnoreHiddenFiles(bool ignore);
 
      // Used by the Socket API

src/gui/folderwatcher_linux.cpp

@@ -23,7 +23,6 @@
 #include <QStringList>
 #include <QObject>
 #include <QVarLengthArray>
-#include <syncengine.h>
 
 namespace OCC {
 
@@ -49,6 +48,31 @@ FolderWatcherPrivate::~FolderWatcherPrivate()
 
 }
 
+// attention: result list passed by reference!
+bool FolderWatcherPrivate::findFoldersBelow( const QDir& dir, QStringList& fullList )
+{
+    bool ok = true;
+    if( !(dir.exists() && dir.isReadable()) ) {
+        qDebug() << "Non existing path coming in: " << dir.absolutePath();
+        ok = false;
+    } else {
+        QStringList nameFilter;
+        nameFilter << QLatin1String("*");
+        QDir::Filters filter = QDir::Dirs | QDir::NoDotAndDotDot | QDir::NoSymLinks | QDir::Hidden;
+        const QStringList pathes = dir.entryList(nameFilter, filter);
+
+        QStringList::const_iterator constIterator;
+        for (constIterator = pathes.constBegin(); constIterator != pathes.constEnd();
+               ++constIterator) {
+            const QString fullPath(dir.path()+QLatin1String("/")+(*constIterator));
+            fullList.append(fullPath);
+            ok = findFoldersBelow(QDir(fullPath), fullList);
+        }
+    }
+
+    return ok;
+}
+
 void FolderWatcherPrivate::inotifyRegisterPath(const QString& path)
 {
     if( !path.isEmpty()) {
@@ -64,46 +88,40 @@ void FolderWatcherPrivate::inotifyRegisterPath(const QString& path)
 
 void FolderWatcherPrivate::slotAddFolderRecursive(const QString &path)
 {
+    int subdirs = 0;
     qDebug() << "(+) Watcher:" << path;
+
+    QDir inPath(path);
+    inotifyRegisterPath(inPath.absolutePath());
+
     const QStringList watchedFolders = _watches.values();
-    int subdirs = addFolderRecursiveHelper(path, watchedFolders.toSet());
-    if (subdirs >0) {
-        qDebug() << "    `-> and" << subdirs << "subdirectories";
+
+    QStringList allSubfolders;
+    if( !findFoldersBelow(QDir(path), allSubfolders)) {
+        qDebug() << "Could not traverse all sub folders";
     }
-}
-
-int FolderWatcherPrivate::addFolderRecursiveHelper(const QString &path, const QSet<QString> &watchedFolders)
-{
-    QDir dir(path);
-    if( !(dir.exists() && dir.isReadable()) ) {
-        qDebug() << "Non existing path coming in: " << dir.absolutePath();
-        return 0;
-    }
-    int subdirs = 1;
-
-    inotifyRegisterPath(dir.absolutePath());
-
-    QDir::Filters filter = QDir::Dirs | QDir::NoDotAndDotDot | QDir::NoSymLinks | QDir::Hidden;
-    const QStringList pathes = dir.entryList(filter);
-    for (auto constIterator = pathes.constBegin(); constIterator != pathes.constEnd(); ++constIterator) {
-        const QString subfolder = path + QLatin1String("/") + (*constIterator);
-        QDir folder(subfolder);
-        if (folder.exists() && !watchedFolders.contains(subfolder)) {
-#ifndef OWNCLOUD_TEST // InotifyWatcherTest is not interested in ignored files and does not link against the folder
-            if( _parent->_folder->syncEngine().excludedFiles().isExcluded(
-                    subfolder, path, _parent->_folder->ignoreHiddenFiles())) {
+    // qDebug() << "currently watching " << watchedFolders;
+    QStringListIterator subfoldersIt(allSubfolders);
+    while (subfoldersIt.hasNext()) {
+        QString subfolder = subfoldersIt.next();
+        // qDebug() << "  (**) subfolder: " << subfolder;
+        QDir folder (subfolder);
+        if (folder.exists() && !watchedFolders.contains(folder.absolutePath())) {
+            subdirs++;
+            if( _parent->pathIsIgnored(subfolder) ) {
                 qDebug() << "* Not adding" << folder.path();
                 continue;
             }
-#endif
-            subdirs += addFolderRecursiveHelper(subfolder, watchedFolders);
+            inotifyRegisterPath(folder.absolutePath());
         } else {
             qDebug() << "    `-> discarded:" << folder.path();
         }
     }
-    return subdirs;
-}
 
+    if (subdirs >0) {
+        qDebug() << "    `-> and" << subdirs << "subdirectories";
+    }
+}
 
 void FolderWatcherPrivate::slotReceivedNotification(int fd)
 {

src/gui/folderwatcher_linux.h

@@ -33,6 +33,7 @@ class FolderWatcherPrivate : public QObject
 {
     Q_OBJECT
 public:
+    FolderWatcherPrivate() { }
     FolderWatcherPrivate(FolderWatcher *p, const QString &path);
     ~FolderWatcherPrivate();
 
@@ -44,9 +45,10 @@ protected slots:
     void slotAddFolderRecursive(const QString &path);
 
 protected:
-    int addFolderRecursiveHelper(const QString &path, const QSet<QString> &watchedFolders);
+    bool findFoldersBelow( const QDir& dir, QStringList& fullList );
     void inotifyRegisterPath(const QString& path);
 
+private:
     FolderWatcher *_parent;
 
     QString _folder;

test/testinotifywatcher.cpp

@@ -11,23 +11,18 @@
 
 using namespace OCC;
 
-
-struct FriendlyFolderWatcherPrivate : FolderWatcherPrivate
-{
-    using FolderWatcherPrivate::FolderWatcherPrivate;
-    friend class TestInotifyWatcher;
-};
-
-
-class TestInotifyWatcher : public QObject
+class TestInotifyWatcher: public FolderWatcherPrivate
 {
     Q_OBJECT
-private slots:
-    // Test the recursive path listing function lists everything
-    void testAddFolderRecursiveHelper() {
-        QTemporaryDir tmpDir;
 
-        QString _root = tmpDir.path();
+private:
+    QString _root;
+
+private slots:
+    void initTestCase() {
+        qsrand(QTime::currentTime().msec());
+
+        _root = QDir::tempPath() + "/" + "test_" + QString::number(qrand());
         qDebug() << "creating test directory tree in " << _root;
         QDir rootDir(_root);
 
@@ -37,13 +32,13 @@ private slots:
         rootDir.mkpath(_root + "/a1/b3/c3");
         rootDir.mkpath(_root + "/a2/b3/c3");
 
-        FriendlyFolderWatcherPrivate watcher(0, _root);
-        QVERIFY(watcher._fd >= 0);
-        QCoreApplication::processEvents(); // Let the slotAddFolderRecursive slot run;
-        QStringList dirs = watcher._watches.values();
+    }
 
-        QVERIFY( dirs.indexOf(_root)>-1);
+    // Test the recursive path listing function findFoldersBelow
+    void testDirsBelowPath() {
+        QStringList dirs;
 
+        bool ok = findFoldersBelow(QDir(_root), dirs);
         QVERIFY( dirs.indexOf(_root + "/a1")>-1);
         QVERIFY( dirs.indexOf(_root + "/a1/b1")>-1);
         QVERIFY( dirs.indexOf(_root + "/a1/b1/c1")>-1);
@@ -58,13 +53,20 @@ private slots:
         QVERIFY( dirs.indexOf(_root + "/a1/b3")>-1);
         QVERIFY( dirs.indexOf(_root + "/a1/b3/c3")>-1);
 
-        QVERIFY( dirs.contains(_root + "/a2"));
-        QVERIFY( dirs.contains(_root + "/a2/b3"));
-        QVERIFY( dirs.contains(_root + "/a2/b3/c3"));
+        QVERIFY( dirs.indexOf(_root + "/a2"));
+        QVERIFY( dirs.indexOf(_root + "/a2/b3"));
+        QVERIFY( dirs.indexOf(_root + "/a2/b3/c3"));
 
-        QCOMPARE(dirs.count(), 12);
+        QVERIFY2(dirs.count() == 11, "Directory count wrong.");
+
+        QVERIFY2(ok, "findFoldersBelow failed.");
     }
 
+    void cleanupTestCase() {
+        if( _root.startsWith(QDir::tempPath() )) {
+           system( QString("rm -rf %1").arg(_root).toLocal8Bit() );
+        }
+    }
 };
 
 QTEST_APPLESS_MAIN(TestInotifyWatcher)