Carry module identity through candidate results

internal/releaseidentity/identity.go

@@ -79,6 +79,12 @@ func FromCommitted(ctx context.Context, repositoryDir, moduleDir, version, commi
 	if err != nil {
 		return Identity{}, err
 	}
+	return FromCommittedSelection(ctx, selection, version, commit)
+}
+
+// FromCommittedSelection derives identity from a previously resolved module
+// selection and the selected module declaration at a captured commit.
+func FromCommittedSelection(ctx context.Context, selection Selection, version, commit string) (Identity, error) {
 	if err := ctx.Err(); err != nil {
 		return Identity{}, fmt.Errorf("resolve committed release identity: %w", err)
 	}