Build Path Cleanup

internal/topdata/tlk_native.go

@@ -1,6 +1,7 @@
 package topdata
 
 import (
+	"bytes"
 	"encoding/binary"
 	"encoding/json"
 	"fmt"
@@ -283,6 +284,13 @@ func saveTLKState(path string, doc tlkStateDocument) error {
 		return fmt.Errorf("marshal tlk state: %w", err)
 	}
 	raw = append(raw, '\n')
+	current, err := os.ReadFile(path)
+	if err == nil && bytes.Equal(current, raw) {
+		return nil
+	}
+	if err != nil && !os.IsNotExist(err) {
+		return fmt.Errorf("read %s: %w", path, err)
+	}
 	if err := os.WriteFile(path, raw, 0o644); err != nil {
 		return fmt.Errorf("write %s: %w", path, err)
 	}