anchor.diff:  }:
   
   let
  -  version = "4.10.0-104";
  +  version = "4.11.0-103";
   
     urls' = arch: [
       "http://www.mellanox.com/downloads/MFT/mft-${version}-${arch}.tgz"
  
positive.code: 
    preBuild = optionalString (kernel != null) ''
      ar vx SDEBS/*
      tar xf data.tar.gz
  
      cd usr/src/*
  
  
negative.code:   sources = {
      "x86_64-linux" = {
        urls = urls' "x86_64-deb";
        md5Confirm = "5b8663ea0048add032cdb3ebc01b5ccc";
        sha256 = "f7f0cf1b333753ccc82f369f5dc5852b5d5e2d31a467d44f227efebdb35a3f3e";
      };
    };
  
  