Expose Markdown validation selection

internal/validation/validation.go

@@ -20,10 +20,16 @@ type Settings struct {
 	FullVet            bool
 	CompileTargets     []Target
 	GoFormat           bool
+	Markdown           *MarkdownSettings
 	ModuleDistribution ModuleDistributionSettings
 	FileSize           *FileSizeSettings
 }
 
+// MarkdownSettings selects committed Markdown destination and fragment checks.
+type MarkdownSettings struct {
+	EnforceCheckoutBoundary bool
+}
+
 // FileSizeSettings selects a per-blob limit and literal path exclusions.
 type FileSizeSettings struct {
 	LimitBytes *int64
@@ -112,10 +118,13 @@ func Run(ctx context.Context, request Request) error {
 			}
 		}
 	}
-	if request.Settings.GoFormat || request.Settings.ModuleDistribution.WorkspaceFiles || request.Settings.ModuleDistribution.LocalReplacements || request.Settings.FileSize != nil {
+	if request.Settings.GoFormat || request.Settings.ModuleDistribution.WorkspaceFiles || request.Settings.ModuleDistribution.LocalReplacements || request.Settings.FileSize != nil || request.Settings.Markdown != nil {
 		tree, err := request.ReadCandidateTree(ctx)
 		if err != nil {
-			check := FileSize
+			check := MarkdownLinks
+			if request.Settings.FileSize != nil {
+				check = FileSize
+			}
 			if request.Settings.ModuleDistribution.LocalReplacements {
 				check = LocalReplacements
 			}
@@ -147,6 +156,11 @@ func Run(ctx context.Context, request Request) error {
 				return err
 			}
 		}
+		if request.Settings.Markdown != nil {
+			if err := checkMarkdownLinks(ctx, tree, request.Settings.Markdown.EnforceCheckoutBoundary, request.Output); err != nil {
+				return err
+			}
+		}
 	}
 	return nil
 }