Fix --severity-level

ChangeLog.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - [CLI] Fix loading of `slnf` files ([PR](https://github.com/dotnet/roslynator/pull/1447))
+- [CLI] Fix `--severity-level` ([PR](https://github.com/dotnet/roslynator/pull/1449))
 
 ## [4.12.1] - 2024-04-15
 

src/Workspaces.Core/Diagnostics/CodeAnalyzer.cs

@@ -203,8 +203,7 @@ private IEnumerable<Diagnostic> FilterDiagnostics(IEnumerable<Diagnostic> diagno
     {
         foreach (Diagnostic diagnostic in diagnostics)
         {
-            if (diagnostic.IsEffective(Options, project.CompilationOptions, cancellationToken)
-                && (Options.ReportNotConfigurable || !diagnostic.Descriptor.CustomTags.Contains(WellKnownDiagnosticTags.NotConfigurable)))
+            if (diagnostic.IsEffective(Options, project.CompilationOptions, cancellationToken))
             {
                 if (diagnostic.Descriptor.CustomTags.Contains(WellKnownDiagnosticTags.Compiler))
                 {
@@ -222,7 +221,8 @@ private IEnumerable<Diagnostic> FilterDiagnostics(IEnumerable<Diagnostic> diagno
                         }
                     }
                 }
-                else
+                else if (Options.ReportNotConfigurable
+                    || !diagnostic.Descriptor.CustomTags.Contains(WellKnownDiagnosticTags.NotConfigurable))
                 {
                     yield return diagnostic;
                 }

src/Workspaces.Core/Extensions/Extensions.cs

@@ -448,9 +448,6 @@ public static ConsoleColors GetColors(this WorkspaceDiagnosticKind kind)
         if (!codeAnalysisOptions.IsSupportedDiagnosticId(diagnostic.Id))
             return false;
 
-        if (diagnostic.Descriptor.CustomTags.Contains(WellKnownDiagnosticTags.Compiler))
-            return true;
-
         SyntaxTree? tree = diagnostic.Location.SourceTree;
 
         ReportDiagnostic reportDiagnostic = diagnostic.Descriptor.GetEffectiveSeverity(tree, compilationOptions, cancellationToken);