GitCommands.GitModule.GetSubmoduleItemsForEachRef C# (CSharp) Method

        public Dictionary<IGitRef, IGitItem> GetSubmoduleItemsForEachRef(string filename, Func<IGitRef, bool> showRemoteRef)
        {
            string command = GetSortedRefsCommand();

            if (command == null)
                return new Dictionary<IGitRef, IGitItem>();

            filename = filename.ToPosixPath();

            var tree = RunGitCmd(command, SystemEncoding);

            var refs = GetTreeRefs(tree);

            return refs.Where(showRemoteRef).ToDictionary(r => r, r => GetSubmoduleCommitHash(filename, r.Name));
        }