Spider a repo showing files and directories.

GitRepoSpider.cs

using System;
using System.Net.Http;
using System.Threading.Tasks;
using Newtonsoft.Json;

namespace GitSpider
{
    class Program
    {
        private static string ApiBase => "https://api.github.com/";
        private static string User => "johnboker";
        private static string Repo => "AoC2016";

        static async Task Main(string[] args)
        {
            await SpiderRepo();
        }

        private static async Task SpiderRepo(int depth = 0, string path = "")
        {
            var contents = await GetContents(path);
            foreach (var c in contents)
            {
                Console.WriteLine($"{new string('-', depth)}{c.type} - {c.path}");

                if (c.type == "dir")
                {
                    await SpiderRepo(depth+1, c.path);
                }
            }
        }

        private static async Task<Content[]> GetContents(string path = "")
        { 
            var url = $"{ApiBase}repos/{User}/{Repo}/contents/{path}";
            using (var client = new HttpClient())
            {
                client.DefaultRequestHeaders.Add("User-Agent", User);
                client.DefaultRequestHeaders.Accept.Add(new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue("application/vnd.github.v3+json"));
                var response = await client.GetAsync(url);
                var json = await response.Content.ReadAsStringAsync();
                var contents = JsonConvert.DeserializeObject<Content[]>(json);
                return contents;
            }
        }
    }

    public class Links
    {
        public string self { get; set; }
        public string git { get; set; }
        public string html { get; set; }
    }

    public class Content
    {
        public string type { get; set; }
        public int size { get; set; }
        public string name { get; set; }
        public string path { get; set; }
        public string sha { get; set; }
        public string url { get; set; }
        public string git_url { get; set; }
        public string html_url { get; set; }
        public string download_url { get; set; }
        public Links links { get; set; }
    }
}

output.txt

file - .DS_Store
file - .gitignore
file - AoC2016.sln
file - AoC2016.userprefs
dir - AoC2016
-file - AoC2016/.DS_Store
-file - AoC2016/AdventOfCodeDay.cs
-file - AoC2016/AoC2016.csproj
-file - AoC2016/AoC2016.sln
-file - AoC2016/AoC2016.userprefs
-file - AoC2016/Program.cs
-dir - AoC2016/Properties
--file - AoC2016/Properties/AssemblyInfo.cs
-dir - AoC2016/Solutions
--file - AoC2016/Solutions/Day01.cs
--file - AoC2016/Solutions/Day02.cs
--file - AoC2016/Solutions/Day03.cs
--file - AoC2016/Solutions/Day04.cs
--file - AoC2016/Solutions/Day05.cs
--file - AoC2016/Solutions/Day06.cs
--file - AoC2016/Solutions/Day07.cs
--file - AoC2016/Solutions/Day08.cs
--file - AoC2016/Solutions/Day09.cs
--file - AoC2016/Solutions/Day10.cs
--file - AoC2016/Solutions/Day11.cs
--file - AoC2016/Solutions/Day12.cs
--file - AoC2016/Solutions/Day13.cs
--file - AoC2016/Solutions/Day14.cs
--file - AoC2016/Solutions/Day15.cs
--file - AoC2016/Solutions/Day16.cs
--file - AoC2016/Solutions/Day17.cs
--file - AoC2016/Solutions/Day18.cs
--file - AoC2016/Solutions/Day19.cs
--file - AoC2016/Solutions/Day20.cs
--file - AoC2016/Solutions/Day21.cs
--file - AoC2016/Solutions/Day22.cs
--file - AoC2016/Solutions/Day23.cs
--file - AoC2016/Solutions/Day24.cs
--file - AoC2016/Solutions/Day25.cs
-file - AoC2016/Utilities.cs
-dir - AoC2016/input
--file - AoC2016/input/day1-example.txt
--file - AoC2016/input/day1.txt
--file - AoC2016/input/day10.txt
--file - AoC2016/input/day11.txt
--file - AoC2016/input/day12.txt
--file - AoC2016/input/day15-andrew.txt
--file - AoC2016/input/day15-example.txt
--file - AoC2016/input/day15-part1.txt
--file - AoC2016/input/day15-part2.txt
--file - AoC2016/input/day2-example.txt
--file - AoC2016/input/day2.txt
--file - AoC2016/input/day20-example.txt
--file - AoC2016/input/day20.txt
--file - AoC2016/input/day21-example.txt
--file - AoC2016/input/day21.txt
--file - AoC2016/input/day22-example.txt
--file - AoC2016/input/day22.txt
--file - AoC2016/input/day23-example.txt
--file - AoC2016/input/day23-optimized.txt
--file - AoC2016/input/day23.txt
--file - AoC2016/input/day24-example.txt
--file - AoC2016/input/day24.txt
--file - AoC2016/input/day25.txt
--file - AoC2016/input/day3.txt
--file - AoC2016/input/day4-example.txt
--file - AoC2016/input/day4.txt
--file - AoC2016/input/day6.txt
--file - AoC2016/input/day7.txt
--file - AoC2016/input/day8-example.txt
--file - AoC2016/input/day8.txt
--file - AoC2016/input/day9-example.txt
--file - AoC2016/input/day9.txt