/// <summary>
		/// Returns all commits for the given user/project.
		/// </summary>
		private async Task<ICollection<GitHubCommit>> GetAllCommitsAsync(
			Project project, 
			ClassroomMembership student)
		{
			var orgName = student.Classroom.GitHubOrganization;
			var repoName = project.GetStudentRepoName(student);

			return await _repoClient.GetAllCommitsAsync(orgName, repoName);
		}