Refactor SetReleaseIdentifier()

Source/LibationFileManager/Configuration.Environment.cs

@@ -6,16 +6,25 @@ using System.Threading.Tasks;
 
 namespace LibationFileManager
 {
-    public partial class Configuration
+	[Flags]
+	public enum OS
+	{
+		Unknown,
+		Windows = 0x100000,
+		Linux = 0x200000,
+		MacOS = 0x400000,
+	}
+
+	public partial class Configuration
     {
-        public static bool IsWindows { get; } = OperatingSystem.IsWindows();
+		public static bool IsWindows { get; } = OperatingSystem.IsWindows();
         public static bool IsLinux { get; } = OperatingSystem.IsLinux();
         public static bool IsMacOs { get; } = OperatingSystem.IsMacOS();
 
-        public static string OS { get; }
-            = IsLinux ? "Linux"
-            : IsMacOs ? "MacOS"
-            : IsWindows ? "Windows"
-            : "UNKNOWN_OS";
+		public static OS OS { get; }
+			= IsLinux ? OS.Linux
+			: IsMacOs ? OS.MacOS
+			: IsWindows ? OS.Windows
+			: OS.Unknown;
     }
 }