Select committed validation inputs by module

check.go

@@ -55,7 +55,11 @@ type ReleaseRequest struct {
 // ValidationSpec selects optional shared validation checks. Its zero value
 // preserves the current validation behavior.
 type ValidationSpec struct {
-	Go GoValidationSpec
+	// SharedFiles adds repository-relative committed files to optional file
+	// checks. Nil selects the optional defaults; an empty non-nil slice selects
+	// none. Explicit files are checked for presence even when file checks are off.
+	SharedFiles []string
+	Go          GoValidationSpec
 	// GoFormat checks the formatting of committed regular Go source files. It
 	// does not modify repository contents and is disabled when false.
 	GoFormat bool
@@ -176,6 +180,7 @@ func candidateRequest(request ReleaseRequest) candidate.Request {
 			Race:           request.Validation.Go.Race,
 			FullVet:        request.Validation.Go.FullVet,
 			CompileTargets: make([]validation.Target, len(request.Validation.Go.CompileTargets)),
+			SharedFiles:    copyStringSlice(request.Validation.SharedFiles),
 			GoFormat:       request.Validation.GoFormat,
 			Markdown:       internalMarkdownSettings(request.Validation.Markdown),
 			ModuleDistribution: validation.ModuleDistributionSettings{
@@ -194,6 +199,13 @@ func candidateRequest(request ReleaseRequest) candidate.Request {
 	return result
 }
 
+func copyStringSlice(values []string) []string {
+	if values == nil {
+		return nil
+	}
+	return append(make([]string, 0, len(values)), values...)
+}
+
 func internalMarkdownSettings(spec *MarkdownValidationSpec) *validation.MarkdownSettings {
 	if spec == nil {
 		return nil