[partition] Introduce helpers for Cala Luks generation to KPM generations

src/modules/partition/core/KPMHelpers.cpp

@@ -299,6 +299,24 @@ cryptVersion( Partition* partition )
     return luksVersion;
 }
 
+FileSystem::Type
+luksGenerationToFSName( Config::LuksGeneration luksGeneration )
+{
+    // Convert luksGenerationChoice from partition.conf into its
+    // corresponding file system type from KPMCore.
+    switch ( luksGeneration )
+    {
+    case Config::LuksGeneration::Luks2:
+        return FileSystem::Type::Luks2;
+    case Config::LuksGeneration::Luks1:
+        return FileSystem::Type::Luks;
+    default:
+        cWarning() << "luksGeneration not supported, defaulting to \"luks\"";
+        return FileSystem::Type::Luks;
+    }
+}
+
+
 Calamares::JobResult
 execute( Operation& operation, const QString& failureMessage )
 {

src/modules/partition/core/KPMHelpers.h

@@ -11,6 +11,7 @@
 #ifndef KPMHELPERS_H
 #define KPMHELPERS_H
 
+#include "Config.h"
 #include "Job.h"
 
 #include <kpmcore/core/partitiontable.h>
@@ -120,6 +121,17 @@ bool cryptLabel( Partition* partition, const QString& label );
  */
 int cryptVersion( Partition* partition );
 
+/** @brief Convert a luksGeneration into its FS type for KPMCore.
+ *
+ * Will convert Luks1 into FileSystem::Type::luks and Luks2 into
+ * FileSystem::Type::luks2 for KPMCore partitioning functions.
+ *
+ * @return The LUKS FS type (default @c luks )
+ */
+FileSystem::Type
+luksGenerationToFSName( Config::LuksGeneration luksGeneration );
+
+
 /** @brief Return a result for an @p operation
  *
  * Executes the operation, and if successful, returns a success result.