Decompile migration

DecompileMigrationScript.csx

#r "System.Xml"
#r "System.Xml.Linq"
#r "System.IO.Compression"
#r "System.Data"

using System.Xml.Linq;
using System.IO.Compression;
using System.Data.SqlClient;

public void DecompressDatabaseMigration(string migrationName, string databaseName)
{
    var connectionString = $@"Data source=.\sqlexpress;Initial catalog={databaseName};Integrated security=true";
    var sqlToExecute = $"select model from __MigrationHistory where migrationId like '%{migrationName}'";

    using (var connection = new SqlConnection(connectionString))
    using (var command = new SqlCommand(sqlToExecute, connection))
    {            
        connection.Open();
        var model = (byte[])command.ExecuteScalar();
        var decompressed = Decompress(model);
        File.WriteAllText(@"C:\temp\edmx.xml", decompressed.ToString());
    }
}

public XDocument Decompress(byte[] bytes)
{
    using (var gzipStream = new GZipStream(new MemoryStream(bytes), CompressionMode.Decompress, false))
        return XDocument.Load(gzipStream);
}

DecompressDatabaseMigration(Args[1], Args[0]);