Patch corrupted duplicate release numbers

Program.cs

// First:
// PM> Install-Package Octopus.Client

using System;
using System.Text.RegularExpressions;
using System.Threading;
using Octopus.Client;

namespace Octopus.Patch.ReleaseNumberCorruption
{
    class Program
    {
        const RegexOptions _flags = RegexOptions.IgnoreCase | RegexOptions.ExplicitCapture;
        static readonly Regex _semanticVersionRegex = new Regex(@"^(?<Version>\d+(\s*\.\s*\d+){0,3})(?<Release>-[a-z][0-9a-z-]*)?$", _flags);

        static void Main()
        {
            const string server = "http://localhost:8065/";
            const string apiKey = "API-IHH51S2D6BOTRKRNMVAOJZ0PU";
            var endpoint = new OctopusServerEndpoint(server, apiKey);
            var repository = new OctopusRepository(endpoint);

            Console.WriteLine("Retrieving releases to check version numbers...");

            var seen = 0;
            var count = 0;
            foreach (var release in repository.Releases.FindAll())
            {
                seen++;
                if (string.IsNullOrWhiteSpace(release.Version) || !_semanticVersionRegex.IsMatch(release.Version))
                {
                    // Generate a new version that should stay out of the way (low ordering) and
                    // use the current time as a tag.
                    var newVer = "0.0.1-" + DateTime.UtcNow.Ticks.ToString("X16");

                    Console.WriteLine("Fixing release {0} - version was: {1}, now: {2}",
                      release.Id, release.Version, newVer);

                    release.ReleaseNotes = "Version fixed automatically, was: " + release.Version + Environment.NewLine + (release.ReleaseNotes ?? "");
                    release.Version = newVer;
                    repository.Client.Put(release.Links["Self"], release);
                    ++count;
                    Thread.Sleep(1); // millisecond, so that ticks are always unique IDs :)
                }
            }

            Console.WriteLine("{0} releases seen, {1} fixed, done.", seen, count);
        }
    }
}