rbutil: Fix Xduoo bootloader installation.

- Don't try to unzip the bootloader file if we're actually looking for a
  zip file.
- Fix wrong bootloader file name for X3.
- There's no QThread::terminated() signal, don't connect it.

Change-Id: Iebfcc61d644c8443b60d9b37f4932d7b46098465

rbutil/rbutilqt/base/bootloaderinstallbase.cpp

@@ -224,11 +224,20 @@ void BootloaderInstallBase::setBlFile(QStringList sl)
 bool BootloaderInstallBase::setOfFile(QString of, QStringList blfile)
 {
     bool found = false;
-    ArchiveUtil *util = 0;
+    ArchiveUtil *util = nullptr;
+
+    // check if we're actually looking for a zip file. If so we must avoid
+    // trying to unzip it.
+    bool wantZip = false;
+    for (int i = 0; i < blfile.size(); i++)
+    {
+        if (blfile.at(i).endsWith(".zip"))
+            wantZip = true;
+    }
 
     // try ZIP first
     ZipUtil *zu = new ZipUtil(this);
-    if(zu->open(of))
+    if(zu->open(of) && !wantZip)
     {
         emit logItem(tr("Zip file format detected"), LOGINFO);
         util = zu;

rbutil/rbutilqt/base/bootloaderinstallbspatch.cpp

@@ -110,7 +110,6 @@ void BootloaderInstallBSPatch::installStage2(void)
     m_tempfile.close();
     m_patchedFile.close();
     connect(m_thread, SIGNAL(finished()), this, SLOT(installStage3()));
-    connect(m_thread, SIGNAL(terminated()), this, SLOT(installStage3()));
     m_thread->start();
 }
 

rbutil/rbutilqt/rbutil.ini

@@ -882,7 +882,7 @@ name="xDuoo X3"
 buildserver_modelname=xduoox3
 bootloadermethod=bspatch
 bootloadername=/xduoo/X3-v11.bsdiff
-bootloaderfile=update.zip
+bootloaderfile=/update.zip
 bootloaderfilter=*.zip
 manualname=
 brand=xDuoo