Mono command line pseudo-bash script, that renames git tags by adding a 'v'

GitRenameAllTags.cs

using System;
using System.IO;
using System.Diagnostics;
using System.Text.RegularExpressions;

namespace GitRenameAllTags
{
	class MainClass
	{
		public static void Main (string[] args)
		{
			Console.WriteLine("running in " + Directory.GetCurrentDirectory()+", ok ?");
			Console.ReadKey();
			Console.WriteLine();
			
			ProcessStartInfo start = new ProcessStartInfo ("git","tag") {
				UseShellExecute = false, 
				RedirectStandardOutput = true
			};
			using (Process process = Process.Start(start))
			{
				using (StreamReader reader = process.StandardOutput)
			    {
					string result = reader.ReadToEnd();
					var lines = Regex.Split(result, "\n");
					foreach (var tag in lines) {
						if (tag.StartsWith("1.")){
							Console.WriteLine("-> " + tag);
							Process.Start("git","tag v"+tag+" "+tag);
							Process.Start("git","tag -d "+tag);
							Process.Start("git","push emastore :refs/tags/"+tag);
							Process.Start("git","push dropbox :refs/tags/"+tag);
						}
					}
			    }
			}
			Process.Start("git","push --tags");
		}
	}
}