Manipulating github through api calls

GitHubApiTest.cs

using System;
using System.Threading.Tasks;
using Octokit;
using Octokit.Internal;

namespace GithubApiTest
{
    class Program
    {
        static async Task<int> Main(string[] args)
        {
            var credentials = new Credentials("username", "asdfasdfads");

            var credentialStore = new InMemoryCredentialStore(credentials);

            var client = new GitHubClient(new ProductHeaderValue("MyAmazingApp"), credentialStore);

            //await DeleteAllTagsAsync(client, "Boondocks", "boondocks-raspberrypi");

            //await ListAllReleases(client, "Boondocks", "boondocks-raspberrypi");
            //await ListAllReleases(client, "Boondocks", "boondocks-raspberrypi");
            //await ListTagsAsync(client, "Boondocks", "boondocks-raspberrypi");

            return 0;
        }

        private static async Task<int> ListBranchesAsync(GitHubClient client)
        {
            var branches = await client.Repository.Branch.GetAll("Boondocks", "github-api-test");

            Console.WriteLine("Branches:");

            foreach (var branch in branches)
            {
                Console.WriteLine($"  {branch.Name}");
            }

            return 0;
        }

        private static async Task<int> DeleteAllTagsAsync(GitHubClient client, string owner, string repositoryName)
        {
            var tags = await client.Repository.GetAllTags(owner, repositoryName);

            Console.WriteLine("Delete all Tags:");

            foreach (var tag in tags)
            {
                Console.WriteLine($"  Deleting tag {tag.Name} [{tag.Commit.Sha}]...");

                await client.Git.Reference.Delete(owner, repositoryName, $"tags/{tag.Name}");
            }

            return 0;
        }

        private static async Task ListAllReleases(GitHubClient client, string owner, string repositoryName)
        {
            var releases = await client.Repository.Release.GetAll(owner, repositoryName);

            Console.WriteLine("Releases:");

            foreach (var release in releases)
            {
                string prerelease = release.Prerelease? "- Prerelease" : "";

                Console.WriteLine($"  {release.Name} {prerelease}");
            }
        }

        private static async Task DeleteAllReleases(GitHubClient client, string owner, string repositoryName)
        {
            var releases = await client.Repository.Release.GetAll(owner, repositoryName);

            Console.WriteLine("Deleting releases:");

            foreach (var release in releases)
            {
                Console.WriteLine($"  Deleting release '{release.Name}' [{release.Id}]...");

                await client.Repository.Release.Delete(owner, repositoryName, release.Id);
            }
        }

        private static async Task ListTagsAsync(GitHubClient client, string owner, string repositoryName)
        {
            var tags = await client.Repository.GetAllTags(owner, repositoryName);

            Console.WriteLine("Tags:");

            foreach (var tag in tags)
            {
                Console.WriteLine($"  {tag.Name} [{tag.Commit.Sha}]");
            }
        }