Coordinate separate full vet pass

internal/validation/validation.go

@@ -10,7 +10,8 @@ import (
 
 // Settings selects shared validation behavior.
 type Settings struct {
-	Race bool
+	Race    bool
+	FullVet bool
 }
 
 // Request identifies the captured source and output used by shared validation.
@@ -37,10 +38,19 @@ func Run(ctx context.Context, request Request) error {
 	if request.Settings.Race {
 		args = append(args, "-race")
 	}
+	if request.Settings.FullVet {
+		args = append(args, "-vet=off")
+	}
 	args = append(args, "./...")
 	_, err = tool.Run(ctx, request.RepositoryDir, gotool.Native, gotool.Target{}, request.Output, args...)
 	if err != nil {
 		return &Failure{Check: GoTest, Cause: err}
 	}
+	if request.Settings.FullVet {
+		_, err = tool.Run(ctx, request.RepositoryDir, gotool.Native, gotool.Target{}, request.Output, "vet", "-mod=readonly", "./...")
+		if err != nil {
+			return &Failure{Check: GoVet, Cause: err}
+		}
+	}
 	return nil
 }