// DeleteRevision implements a method of kcd.Deleter. func (db *DB) DeleteRevision(_ context.Context, revision, corpus string) error { rev := kcd.Revision{Revision: revision, Corpus: corpus} if err := rev.IsValid(); err != nil { return err } found := false for i := len(db.Rev) - 1; i >= 0; i-- { if revisionsEqual(db.Rev[i], rev) { found = true db.Rev = append(db.Rev[:i], db.Rev[i+1:]...) } } if found { return nil } return os.ErrNotExist }