anchor.diff:      util-linux_full
     ];
   
  -  postPatch = ''
  +  postPatch = optionalString (channel == "5.0") ''
       # ES_HOME defaults to install prefix which is read-only
       sed -i bin/elasticsearch{,-plugin} \
         -e 's,ES_HOME=`dirname "$SCRIPT"`/..,,'
  
positive.code:     sed -i bin/elasticsearch \
        -e '/x$ES_INCLUDE/,+16 d'
      rm -f bin/elasticsearch.in.sh
    '';
  
    configurePhase = ''
  
negative.code: }:
  
  let
    inherit (lib)
      optionalString;
  
    sources = {
      "5.5" = {
        version = "5.5.2";
  