anchor.diff:          echo "file deb-extra $(ls $i/debs/*.deb | sort | head -1)" >> $out/nix-support/hydra-build-products
         done
   
  -      eval "$postInstall" 
  +      eval "$postInstall"
       ''; # */
   
       meta = (if args ? meta then args.meta else {}) // {
  
positive.code:         --requires="${concatStringsSep "," debRequires}" \
          --provides="${concatStringsSep "," debProvides}" \
          ${optionalString (src ? version) "--pkgversion=$(echo ${src.version} | tr _ -)"} \
          make install
  
        mkdir -p $out/debs
  
negative.code:     '';
  
      installPhase = ''
        eval "$preInstall"
        export LOGNAME=root
  
        ${checkinstall}/sbin/checkinstall --nodoc -y -D \
  