Changes the hard-coded origin https password for all repos in a directory

ChangePasswordForOrigin.cs

namespace ChangePasswordForOrigin
{
    using System;
    using System.Diagnostics;
    using System.IO;
    using System.Linq;
    using System.Text;
    using System.Text.RegularExpressions;

    class Program
    {
        static void Main()
        {
            var repoRoot = @"C:\Users\chgeuer\github\chgeuer";
            var githubUser = "chgeuer";
            var oldPass = "secret123";
            var newPass = "deadbeef1234512345123451234512345"; // https://github.com/settings/tokens/new

            Func<string, string, string> run = (dir, args) => {
                var process = new Process
                {
                    StartInfo = new ProcessStartInfo
                    {
                        WorkingDirectory = dir,
                        FileName = "git.exe",
                        Arguments = args,
                        UseShellExecute = false,
                        RedirectStandardOutput = true,
                        RedirectStandardError = true
                    },
                    EnableRaisingEvents = true
                };

                var sb = new StringBuilder();

                Action<DataReceivedEventArgs> outputDataReceived = _ => sb.AppendLine(_.Data);
                Action<DataReceivedEventArgs> errorDataReceived = _ => sb.AppendLine(_.Data);
                process.OutputDataReceived += (s, a) => outputDataReceived(a);
                process.ErrorDataReceived += (s, a) => errorDataReceived(a);


                process.Start();
                if (process.StartInfo.RedirectStandardOutput) process.BeginOutputReadLine();
                if (process.StartInfo.RedirectStandardError) process.BeginErrorReadLine();

                process.WaitForExit();

                return sb.ToString();
            };

            new DirectoryInfo(repoRoot)
                .EnumerateDirectories("*.*", SearchOption.TopDirectoryOnly).ToList()
                .Select(_ => _.FullName).ToList()
                .ForEach(dir =>
                {
                    var r = run(dir, "remote -v");
                    try
                    {
                        var lines = r.Split('\r', '\n').Where(_ => !string.IsNullOrEmpty(_)).ToList();
                        var url = Regex.Split(lines.First(), "\\s+").ToList()[1];

                        if (url.StartsWith(string.Format("https://{0}:{1}@github.com/", githubUser, oldPass)))
                        {
                            Console.WriteLine(url);

                            run(dir, "remote remove origin");
                            run(dir, "remote add origin " + url.Replace(":" + oldPass, ":" + newPass));
                        }
                    }
                    catch (Exception)
                    {
                        // Console.WriteLine(dir);
                    }
                });
        }
    }
}