anchor.diff:              # Atomically replace the symlink
               # See https://axialcorps.com/2013/07/03/atomically-replacing-files-and-directories/
               old=$(readlink -f ${wrapperDir})
  +            if [ -e ${wrapperDir}-tmp ]; then
  +              rm --force --recursive ${wrapperDir}-tmp
  +            fi
               ln --symbolic --force --no-dereference $wrapperDir ${wrapperDir}-tmp
               mv --no-target-directory ${wrapperDir}-tmp ${wrapperDir}
               rm --force --recursive $old
  
positive.code: 
      boot.specialFileSystems.${parentWrapperDir} = {
        fsType = "tmpfs";
        options = [ "nodev" ];
      };
  
      # Make sure our wrapperDir exports to the PATH env variable when
  
negative.code:           # programs to be wrapped.
            WRAPPER_PATH=${config.system.path}/bin:${config.system.path}/sbin
  
            chmod 755 "${parentWrapperDir}"
  
            # We want to place the tmpdirs for the wrappers to the parent dir.
            wrapperDir=$(mktemp --directory --tmpdir="${parentWrapperDir}" wrappers.XXXXXXXXXX)
            chmod a+rx $wrapperDir
  