yamlfmt: don't write diff if not changed

This PR changes file diff application to not write the file if it wasn't changed.
google · Mar 8, 2024 · b285396 · b285396
1 parent 4ae531d
commit b285396
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/engine.go b/engine.go
@@ -63,6 +63,10 @@ func (fd *FileDiff) StrOutputQuiet() string {
 }
 
 func (fd *FileDiff) Apply() error {
+	// If there is no diff in the format, there is no need to write the file.
+	if !fd.Diff.Changed() {
+		return nil
+	}
 	return os.WriteFile(fd.Path, []byte(fd.Diff.Formatted), 0644)
 }