pkgs/build-support/references-by-popularity/default.nix

   1 { runCommand, python3, coreutils }:
   2 # Write the references of `path' to a file, in order of how "popular" each
   3 # reference is. Nix 2 only.
   4 path: runCommand "closure-paths"
   5 {
   6   exportReferencesGraph.graph = path;
   7   __structuredAttrs = true;
   8   preferLocalBuild = true;
   9   nativeBuildInputs = [ coreutils python3 ];
  10 }
  11 ''
  12   python3 ${./closure-graph.py} "$NIX_ATTRS_JSON_FILE" graph > ''${outputs[out]}
  13 ''