[partition] Use operations-API (available in all supported KPMCore versions)

src/modules/partition/jobs/ChangeFilesystemLabelJob.cpp

@@ -15,14 +15,9 @@
 #include <kpmcore/backend/corebackendmanager.h>
 #include <kpmcore/core/device.h>
 #include <kpmcore/core/partition.h>
+#include <kpmcore/ops/setfilesystemlabeloperation.h>
 #include <kpmcore/util/report.h>
 
-#ifndef WITH_KPMCORE42API
-#include <kpmcore/backend/corebackenddevice.h>
-#include <kpmcore/backend/corebackendpartition.h>
-#include <kpmcore/backend/corebackendpartitiontable.h>
-#endif
-
 ChangeFilesystemLabelJob::ChangeFilesystemLabelJob( Device* device, Partition* partition, const QString& newLabel )
     : PartitionJob( partition )
     , m_device( device )
@@ -64,42 +59,13 @@ ChangeFilesystemLabelJob::exec()
     }
 
     Report report( nullptr );
-    CoreBackend* backend = CoreBackendManager::self()->backend();
-
-    QScopedPointer< CoreBackendDevice > backendDevice( backend->openDevice( m_device->deviceNode() ) );
-    if ( !backendDevice.data() )
-    {
-        return Calamares::JobResult::error( tr( "Could not open device '%1'." ).arg( m_device->deviceNode() ),
-                                            report.toText() );
-    }
-
-    QScopedPointer< CoreBackendPartitionTable > backendPartitionTable( backendDevice->openPartitionTable() );
-    if ( !backendPartitionTable.data() )
-    {
-        return Calamares::JobResult::error(
-            tr( "Could not open partition table on device '%1'." ).arg( m_device->deviceNode() ), report.toText() );
-    }
+    SetFileSystemLabelOperation op( *partition(), m_label );
+    op.setStatus( Operation::StatusRunning );
 
-    QScopedPointer< CoreBackendPartition > backendPartition(
-        ( partition()->roles().has( PartitionRole::Extended ) )
-            ? backendPartitionTable->getExtendedPartition()
-            : backendPartitionTable->getPartitionBySector( partition()->firstSector() ) );
-    if ( !backendPartition.data() )
+    if ( op.execute( report ) )
     {
-        return Calamares::JobResult::error( tr( "Could not find partition '%1'." ).arg( partition()->partitionPath() ),
-                                            report.toText() );
-    }
-
-    FileSystem& fs = m_partition->fileSystem();
-    fs.setLabel( m_label );
-
-    if ( !backendPartitionTable->setPartitionSystemType( report, *m_partition ) )
-    {
-        return Calamares::JobResult::error(
-            tr( "The installer failed to update partition table on disk '%1'." ).arg( m_device->name() ),
-            report.toText() );
+        return Calamares::JobResult::ok();
     }
-
-    backendPartitionTable->commit();
-    return Calamares::JobResult::ok();
+    return Calamares::JobResult::error(
+        tr( "The installer failed to update partition table on disk '%1'." ).arg( m_device->name() ), report.toText() );
 }