pkgs.writeDirectReferencesToFile

The following is the current implementation of this function.

writeDirectReferencesToFile =
    path:
    runCommand "runtime-references"
      {
        exportReferencesGraph = [
          "graph"
          path
        ];
        inherit path;
      }
      ''
        touch ./references
        while read p; do
          read dummy
          read nrRefs
          if [[ $p == $path ]]; then
            for ((i = 0; i < nrRefs; i++)); do
              read ref;
              echo $ref >>./references
            done
          else
            for ((i = 0; i < nrRefs; i++)); do
              read ref;
            done
          fi
        done < graph
        sort ./references >$out
      '';