Apply module scope to file validation checks

internal/validation/file_size.go

@@ -12,9 +12,8 @@ func checkFileSize(tree *CandidateTree, settings *FileSizeSettings) error {
 	if settings.LimitBytes != nil {
 		limit = *settings.LimitBytes
 	}
-	exclusions := normalizedExclusions(settings.Exclusions)
-	for _, entry := range tree.Entries() {
-		if entry.Type != "blob" || !entry.HasSize || excludedByPath(entry.Path, exclusions) {
+	for _, entry := range tree.inputEntries {
+		if entry.Type != "blob" || !entry.HasSize || excludedByPath(entry.Path, settings.Exclusions) {
 			continue
 		}
 		if entry.Size > limit {
@@ -31,6 +30,23 @@ func checkFileSize(tree *CandidateTree, settings *FileSizeSettings) error {
 	return nil
 }
 
+func fileSizeSettingsForModule(settings *FileSizeSettings, modulePath string) *FileSizeSettings {
+	if settings == nil {
+		return nil
+	}
+	selected := *settings
+	moduleRelative := make([]string, len(settings.Exclusions))
+	for index, exclusion := range settings.Exclusions {
+		if modulePath == "." || path.IsAbs(exclusion) || exclusion == "" {
+			moduleRelative[index] = exclusion
+			continue
+		}
+		moduleRelative[index] = modulePath + "/" + exclusion
+	}
+	selected.Exclusions = normalizedExclusions(moduleRelative)
+	return &selected
+}
+
 func normalizedExclusions(exclusions []string) []string {
 	result := make([]string, 0, len(exclusions))
 	for _, exclusion := range exclusions {