anchor.diff:      
       gurka = gurka_0_1_7;
       
  -    hackney_1_4_4 = callPackage
  -      (
  -	{
  -	  buildHex,
  -	  certifi_0_1_1,
  -	  idna_1_0_2,
  -	  mimerl_1_0_0,
  -	  ssl_verify_hostname_1_0_5
  -	}:
  -	  buildHex {
  -	    name = "hackney";
  -	    version = "1.4.4";
  -	    sha256 =
  -	      "c8ab2436556d6bce7e85a85adec67f6abeb8c7508668a3e29750be3c4bf4e3a8";
  -	     
  -	    erlangDeps  = [
  -			    certifi_0_1_1
  -			    idna_1_0_2
  -			    mimerl_1_0_0
  -			    ssl_verify_hostname_1_0_5
  -			  ];
  -	    
  -	    meta = {
  -	      description = "simple HTTP client";
  -	      license = stdenv.lib.licenses.asl20;
  -	      homepage = "https://github.com/benoitc/hackney";
  -	    };
  -	  }
  -      ) {};
  -    
       hamcrest_0_1_1 = callPackage
         (
   	{ buildHex }:
  
positive.code:       ) {};
      
      redo = redo_2_0_1;
      
      relflow_1_0_4 = callPackage
        (
  	{ buildHex }:
  	  buildHex {
  	    name = "relflow";
  	    version = "1.0.4";
  	    sha256 =
  	      "e6d9652ed7511aea18fa012d5abc19301acd8cbe81a44a159391086a5be12e1f";
  	      
  	    meta = {
  	      description = "Rebar3 release workflow plugin";
  	      license = stdenv.lib.licenses.free; 
  	    };
  	  }
        ) {};
      
      relflow = relflow_1_0_4;
      
      reltool_util_1_4_0 = callPackage
        (
  
negative.code: 	    };
  	  }
        ) {};
      
      erldn_1_0_2 = callPackage
        (
  