[tracking] hook the install-tracking job into the build.

(it doesn't work yet, though .. multi-threading issues).

src/modules/tracking/CMakeLists.txt

@@ -2,8 +2,9 @@ calamares_add_plugin( tracking
     TYPE viewmodule
     EXPORT_MACRO PLUGINDLLEXPORT_PRO
     SOURCES
-        TrackingViewStep.cpp
+        TrackingJobs.cpp
         TrackingPage.cpp
+        TrackingViewStep.cpp
     UI
         page_trackingstep.ui
     RESOURCES

src/modules/tracking/TrackingJobs.cpp

@@ -26,11 +26,18 @@
 
 TrackingInstallJob::TrackingInstallJob( const QString& url )
     : m_url( url )
-    , m_networkManager( new QNetworkAccessManager( this ) )
+    , m_networkManager( nullptr )
     , m_semaphore( new QSemaphore( 1 ) )
 {
 }
 
+TrackingInstallJob::~TrackingInstallJob()
+{
+    Q_ASSERT( m_semaphore->available() == 1 );
+    delete m_semaphore;
+    delete m_networkManager;
+}
+
 QString TrackingInstallJob::prettyName() const
 {
     return tr( "Install-tracking" );
@@ -48,6 +55,8 @@ QString TrackingInstallJob::prettyStatusMessage() const
 
 Calamares::JobResult TrackingInstallJob::exec()
 {
+    m_networkManager = new QNetworkAccessManager();
+
     QNetworkRequest request;
     request.setUrl( QUrl( m_url ) );
     // Follows all redirects except unsafe ones (https to http).

src/modules/tracking/TrackingViewStep.cpp

@@ -132,6 +132,8 @@ TrackingViewStep::jobs() const
             .replace( "$DISK", disk );
 
         cDebug() << "  .. install-tracking URL" << installUrl;
+
+        l.append( Calamares::job_ptr( new TrackingInstallJob( installUrl ) ) );
     }
     return l;
 }