Update origin for all git repositories in a folder

MigrateOrigins.cs

using System;
using System.Diagnostics;
using System.IO;

namespace App
{
    public static class MigrateOrigins
    {
        public static void DoIt(string[] args)
        {
            if (args.Length < 2)
            {
                Console.WriteLine("This program updates all git repositories in a directory to a new URL.");
                Console.WriteLine("There must be two arguments:");
                Console.WriteLine("1. The base origin URL. Each repository name will be appended to the end.");
                Console.WriteLine("2. Your directory of git repositories to update.");
            }
            else
            {
                string baseVsoGitUrl = args[0];
                string directoryWithClonedRepoFolders = args[1];

                var repoDirectories = new DirectoryInfo(directoryWithClonedRepoFolders).EnumerateDirectories();

                foreach (var repoDirectory in repoDirectories)
                {
                    var outcome = ExecuteGitMigrateOrigin(directoryWithClonedRepoFolders, baseVsoGitUrl, repoDirectory.Name);
                    Console.WriteLine(outcome);
                }
            }
        }

        private static string ExecuteGitMigrateOrigin(string parentPath, string baseUrl, string repoName)
        {
            var insideRepoFolder = Path.Combine(parentPath, repoName);
            Process cmd = new Process
            {
                StartInfo =
                {
                    FileName = "cmd.exe",
                    WorkingDirectory = insideRepoFolder,
                    RedirectStandardInput = true,
                    RedirectStandardOutput = true,
                    CreateNoWindow = true,
                    UseShellExecute = false,
                }
            };
            cmd.Start();
            var command = $"git remote set-url origin {baseUrl}{repoName}";
            cmd.StandardInput.WriteLine(command);
            cmd.StandardInput.Flush();
            cmd.StandardInput.Close();
            cmd.WaitForExit();
            return cmd.StandardOutput.ReadToEnd();
        }
    }
}