// 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
}
