audit, advisories and doctors/setup work

src/Cli/StellaOps.Cli/Commands/Scan/BinaryDiffErrors.cs

@@ -0,0 +1,29 @@
+namespace StellaOps.Cli.Commands.Scan;
+
+internal enum BinaryDiffErrorCode
+{
+    InvalidReference,
+    AuthFailed,
+    PlatformNotFound,
+    UnsupportedMode,
+    RegistryAuthInvalid,
+    SigningKeyInvalid
+}
+
+internal sealed class BinaryDiffException : Exception
+{
+    public BinaryDiffException(BinaryDiffErrorCode code, string message, Exception? innerException = null)
+        : base(message, innerException)
+    {
+        Code = code;
+    }
+
+    public BinaryDiffErrorCode Code { get; }
+
+    public int ExitCode => Code switch
+    {
+        BinaryDiffErrorCode.AuthFailed => 2,
+        BinaryDiffErrorCode.PlatformNotFound => 3,
+        _ => 1
+    };
+}