add-type -ReferencedAssemblies System.EnterpriseServices -typedefinition @'
    using System;
    using System.Globalization;
    using System.EnterpriseServices.Internal;

    public class GacInstall
    {
        public static void Main(string[] arguments)
        {
            try
            {
                string assemblyPath = arguments[0];
                Publish publish = new Publish();
                publish.GacRemove(assemblyPath);
                publish.GacInstall(assemblyPath);
                Console.WriteLine("Done!");
            }
            catch (Exception e)
            {
                Console.WriteLine(e);
            }
        }
    }
'@
[GacInstall]::Main($args)