[machineid] Read systemd-style from config

src/modules/machineid/MachineIdJob.cpp

@@ -14,6 +14,7 @@
 #include "Workers.h"
 
 #include "utils/Logger.h"
+#include "utils/NamedEnum.h"
 #include "utils/System.h"
 #include "utils/Variant.h"
 
@@ -22,6 +23,25 @@
 
 #include <QFile>
 
+const NamedEnumTable< MachineId::SystemdMachineIdStyle >&
+styleNames()
+{
+    using T = MachineId::SystemdMachineIdStyle;
+    // *INDENT-OFF*
+    // clang-format off
+    static const NamedEnumTable< MachineId::SystemdMachineIdStyle > names {
+        { QStringLiteral( "none" ), T::Blank },
+        { QStringLiteral( "blank" ), T::Blank },
+        { QStringLiteral( "uuid" ), T::Uuid },
+        { QStringLiteral( "systemd" ), T::Uuid },
+        { QStringLiteral( "literal-uninitialized" ), T::Uninitialized },
+    };
+    // clang-format on
+    // *INDENT-ON*
+
+    return names;
+}
+
 MachineIdJob::MachineIdJob( QObject* parent )
     : Calamares::CppJob( parent )
 {
@@ -134,6 +154,12 @@ MachineIdJob::setConfigurationMap( const QVariantMap& map )
 {
     m_systemd = Calamares::getBool( map, "systemd", false );
 
+    const auto style = Calamares::getString( map, "systemd-style", QString() );
+    if ( !style.isEmpty() )
+    {
+        m_systemd_style = styleNames().find( style, MachineId::SystemdMachineIdStyle::Uuid );
+    }
+
     m_dbus = Calamares::getBool( map, "dbus", false );
     if ( map.contains( "dbus-symlink" ) )
     {