/// <summary>
/// search commits
/// https://developer.github.com/v3/search/#search-commits
/// </summary>
/// <param name="search"></param>
/// <returns>List of commits</returns>
public IObservable <SearchCommitsResult> SearchCommits(SearchCommitsRequest search)
{
Ensure.ArgumentNotNull(search, nameof(search));
return(_client.SearchCommits(search).ToObservable());
}