Rename updateIndex to dryRun to better reflect its use

src/libtomahawk/filemetadata/MusicScanner.cpp

@@ -138,7 +138,7 @@ MusicScanner::MusicScanner( MusicScanner::ScanMode scanMode, const QStringList&
     , m_paths( paths )
     , m_scanned( 0 )
     , m_showProgress( true )
-    , m_updateIndex( true )
+    , m_dryRun( false )
     , m_verbose( false )
     , m_cmdQueue( 0 )
     , m_batchsize( bs )
@@ -177,16 +177,16 @@ MusicScanner::showingProgress()
 
 
 void
-MusicScanner::updateIndex( bool _updateIndex )
+MusicScanner::setDryRun( bool _dryRun )
 {
-    m_updateIndex = _updateIndex;
+    m_dryRun = _dryRun;
 }
 
 
 bool
-MusicScanner::updatingIndex()
+MusicScanner::dryRun()
 {
-    return m_updateIndex;
+    return m_dryRun;
 }
 
 
@@ -295,7 +295,7 @@ MusicScanner::postOps()
 
     if ( m_filesToDelete.length() || m_scannedfiles.length() )
     {
-        if ( m_updateIndex )
+        if ( !m_dryRun )
         {
             SourceList::instance()->getLocal()->updateIndexWhenSynced();
             commitBatch( m_scannedfiles, m_filesToDelete );

src/libtomahawk/filemetadata/MusicScanner.h

@@ -111,10 +111,12 @@ public:
     bool showingProgress();
 
     /**
-     * Specify if the search index should be updated or if we only want a dry run.
+     * Specify if we want a dry run, i.e. not change any of the internal data stores.
+     *
+     * This is useful for testing if the scanner works (while Tomahawk is running).
      */
-    void updateIndex( bool _updateIndex );
-    bool updatingIndex();
+    void setDryRun( bool _dryRun );
+    bool dryRun();
 
     /**
      * Adjust the verbosity of logging.
@@ -151,7 +153,7 @@ private:
     unsigned int m_scanned;
     unsigned int m_skipped;
     bool m_showProgress;
-    bool m_updateIndex;
+    bool m_dryRun;
     bool m_verbose;
 
     QList<QString> m_skippedFiles;

src/tools/tomahawk-test-musicscan/main.cpp

@@ -48,7 +48,7 @@ main( int argc, char* argv[] )
 
         // We want a dry-run of the scanner and not update any internal data.
         scanner.showProgress( false );
-        scanner.updateIndex( false );
+        scanner.setDryRun( true );
         scanner.setVerbose( true );
 
         // Start the MusicScanner in its own thread