fix to work together with busybox tar

2 files changed, 38 insertions, 7 deletions

diff --git a/noncore/settings/backup/backuprestore.cpp b/noncore/settings/backup/backuprestore.cpp
index 6b83bc9..164055e 100644
--- a/noncore/settings/backup/backuprestore.cpp
+++ b/noncore/settings/backup/backuprestore.cpp
@@ -239,36 +239,37 @@ void BackupAndRestore::backup()
     outputFile += "/" + dateString;
 
     QString t = outputFile;
     int c = 1;
     while(QFile::exists(outputFile + EXTENSION))
     {
         outputFile = t + QString("%1").arg(c);
         c++;
     }
 
     // We execute tar and compressing its output with gzip..
     // The error output will be written into a temp-file which could be provided
     // for debugging..
     qDebug( "Storing file: %s", outputFile.latin1() );
     outputFile += EXTENSION;
 
-    QString commandLine = QString( "(tar -C %1 -z --exclude=*.bck -c %2 > %3 ) 2> %4" ).arg( QDir::homeDirPath() )
-                                                                           .arg( backupFiles )
-                                                                           .arg( outputFile.latin1() )
-                                                                           .arg( tempFileName.latin1() );
+    QString commandLine = QString( "cd %1 && (tar -X %1 -cz %2 -f %3 ) 2> %4" ).arg( QDir::homeDirPath() )
+                          .arg( getExcludeFile() )
+                          .arg( backupFiles )
+                          .arg( outputFile.latin1() )
+                          .arg( tempFileName.latin1() );
 
     qDebug( commandLine );
 
     int r = system( commandLine );
 
     if(r != 0)
     {
         perror("Error: ");
         QString errorMsg= tr( "Error from System:\n" ) + (QString)strerror( errno );
 
         switch( QMessageBox::critical(this, tr( "Message" ), tr( "Backup Failed!" ) + "\n"
                                       + errorMsg, QString( tr( "Ok" ) ), QString( tr( "Details" ) ) ) )
         {
 
         case 1:
             qWarning("Details pressed !");
@@ -407,35 +408,35 @@ void BackupAndRestore::restore()
 {
     QListViewItem *restoreItem = restoreList->currentItem();
     if(!restoreItem)
     {
         QMessageBox::critical(this, tr( "Message" ),
                               tr( "Please select something to restore." ),QString( tr( "Ok") ) );
         return;
     }
     setCaption(tr("Backup and Restore... working..."));
 
     QString restoreFile = backupLocations[restoreSource->currentText()];
 
     restoreFile += "/" + restoreItem->text(0);
 
     qDebug( restoreFile );
 
-    QString commandLine = QString( "tar -C %1 -zxf %2 2> %3" ).arg( QDir::homeDirPath() )
-                                                              .arg( restoreFile.latin1() )
-                                                              .arg( tempFileName.latin1() );
+    QString commandLine = QString( "cd %1 && tar -zxf %2 2> %3" ).arg( QDir::homeDirPath() )
+                          .arg( restoreFile.latin1() )
+                          .arg( tempFileName.latin1() );
 
     qDebug( commandLine );
 
     int r = system( commandLine );
 
     if(r != 0)
     {
         QString errorMsg= tr( "Error from System:\n" ) + (QString)strerror( errno );
         switch( QMessageBox::critical(this, tr( "Message" ), tr( "Restore Failed." ) + "\n"
                                       + errorMsg, QString( tr( "Ok") ), QString( tr( "Details" ) ) ) )
         {
         case 1:
             qWarning("Details pressed !");
             ErrorDialog* pErrDialog = new ErrorDialog( this, NULL, true );
             QFile errorFile( tempFileName );
             if ( errorFile.open(IO_ReadOnly) )
@@ -464,18 +465,47 @@ void BackupAndRestore::restore()
 
         }
     }
     else
     {
         QMessageBox::information(this, tr( "Message" ), tr( "Restore Successful." ), QString( tr( "Ok") ) );
     }
 
     //write restore-location
     Config config( "BackupAndRestore" );
     config.setGroup( "LastLocation" );
     config.writeEntry( "LastRestoreLocation", restoreSource->currentText() );
 
     setCaption(tr("Backup and Restore"));
 }
 
+
+/**
+ * Check for exclude in Applications/backup
+ * If it does not exist, the function will create the file with *.bck as content
+ * The exclude_files is read by tar and will provide to exclude special files out from backup. 
+ * e.g. alle *.bck files (backup-files) will not be backed up by default
+ */
+
+QString BackupAndRestore::getExcludeFile()
+{
+    QString excludeFileName = Global::applicationFileName( "backup", "exclude" );
+    if ( !QFile::exists( excludeFileName ) )
+    {
+        QFile excludeFile( excludeFileName);
+        if ( excludeFile.open( IO_WriteOnly ) == true )
+        {
+            QTextStream writeStream( &excludeFile );
+            writeStream << "*.bck" << "\n";
+            excludeFile.close();
+        }
+        else
+        {
+            return QString::null;
+        }
+    }
+
+    return excludeFileName;
+}
+
 // backuprestore.cpp
 
diff --git a/noncore/settings/backup/backuprestore.h b/noncore/settings/backup/backuprestore.h
index fdc2bf2..0d88f8d 100644
--- a/noncore/settings/backup/backuprestore.h
+++ b/noncore/settings/backup/backuprestore.h
@@ -18,29 +18,30 @@ public:
     BackupAndRestore( QWidget* parent = 0, const char* name = 0, WFlags fl = 0);
     ~BackupAndRestore();
 
     static QString appName() { return QString::fromLatin1("backup"); }
 
 private slots:
     void backup();
     void restore();
     void selectItem(QListViewItem *currentItem);
     void sourceDirChanged(int);
     void rescanFolder(QString directory);
     void fileListUpdate();
 
 private:
     void scanForApplicationSettings();
     int getBackupFiles(QString &backupFiles, QListViewItem *parent);
+    QString getExcludeFile();
     QMap<QString, QString> backupLocations;
     QList<QListViewItem> getAllItems(QListViewItem *item, QList<QListViewItem> &list);
 
     QListViewItem *systemSettings;
     QListViewItem *applicationSettings;
     QListViewItem *documents;
 
 };
 
 #endif
 
 // backuprestore.h