Entity Framework Migrations Rebuild Target Hash

TargetHash

using System;
using System.IO;
using System.IO.Compression;
using System.Text;

namespace Gligoran.EntityFramework
{
    class Program
    {
        private static string ExtractEdmx(string target)
        {
            var compressedBytes = Convert.FromBase64String(target);
            var memoryStream = new MemoryStream(compressedBytes);
            var gzip = new GZipStream(memoryStream, CompressionMode.Decompress);
            var reader = new StreamReader(gzip);
            return reader.ReadToEnd();
        }

        private static string CompressEdmx(string edmx)
        {
            byte[] compressed;
            using (var outStream = new MemoryStream())
            {
                using (var gzipStream = new GZipStream(outStream, CompressionMode.Compress))
                using (var memoryStream = new MemoryStream(Encoding.UTF8.GetBytes(edmx)))
                    memoryStream.CopyTo(gzipStream);

                compressed = outStream.ToArray();
            }

            return Convert.ToBase64String(compressed);
        }
    }
}

Usage

using Gligoran.EntityFramework

namespace Gligoran
{
    class Program
    {
        static void Main(string[] args)
        {
            var edmx = ExtractEdmx("<paste you target hash here>");
            var base64 = CompressEdmx(edmx);
        }
    }
}