diff --git a/worker.h b/worker.h
index 50ad513..2913a08 100644
--- a/worker.h
+++ b/worker.h
@@ -52,7 +52,8 @@ enum class UPDATE_STATUS : quint8 {
     PSA_UPDATE_FILES_FAILED,
     GIT_CHECK_FILES_TO_UPDATE_SUCCESS,
     ISMAS_SEND_LAST_VERSION_FAILED,
-    SAVE_LOG_FILES_FAILED
+    SAVE_LOG_FILES_FAILED,
+    REMOVE_GIT_REPOSITORY_FAILED
 };
 
 struct UpdateStatus {
@@ -128,6 +129,16 @@ class Worker : public QObject {
     QStringList getDCVersion() const;
 
     qint64 getFileSize(QString const &fileName) const;
+    bool isRepositoryCorrupted();
+    bool repairCorruptedRepository();
+
+    int sendCloneAndCheckoutSuccess();
+    int sendCloneAndCheckoutFailure();
+    int sendIsmasTriggerFailure();
+
+    static constexpr const int CLONE_AND_CHECKOUT_SUCCESS = 0;
+    static constexpr const int CLONE_AND_CHECKOUT_FAILURE = -3;
+    static constexpr const int ISMAS_TRIGGER_FAILURE = -5;
 
 public:
     static QString getATBUpdateToolYoctoVersion();