public string TryConvertRepoTagToRepositoryName()

in tool/TeamCity.Docker/DockerConverter.cs [28:42]

• 13 lines of code
• 3 McCabe index (conditional complexity)

        public string TryConvertRepoTagToRepositoryName(string repoTag)
        {
            if (repoTag == null)
            {
                throw new ArgumentNullException(nameof(repoTag));
            }

            var ind = repoTag.IndexOf(":", StringComparison.Ordinal);
            if (ind > 2)
            {
                return repoTag.Substring(0, ind);
            }

            return null;
        }