nix-helpers: 2fb990382e89ab999863bd9804e7d156a45ecb0f

     1: { die, dummyBuild, getType, isAttrSet, lexSort, lib }:
     2: 
     3: with rec {
     4:   inherit (builtins) attrValues;
     5:   inherit (lib) concatLists mapAttrs;
     6: 
     7:   go = pred: path: val:
     8:     if isAttrSet val then
     9:       concatLists (attrValues (mapAttrs (name: go pred (path ++ [ name ])) val))
    10:     else if pred val then
    11:       [ path ]
    12:     else
    13:       [ ];
    14: };
    15: pred: val:
    16: assert isAttrSet val || die {
    17:   error = "pathsTo should be given an attrset";
    18:   given = getType val;
    19: };
    20: lexSort (go pred [ ] val)