users/edef/depot-scan-wrap.nix


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# this wraps import to override readFile and readDir to trace the files it touches
# technique inspired by lorri
{ ... }:

let

  global = {
    import = global.scopedImport {};
    scopedImport = x: builtins.scopedImport (global // x);
    builtins = builtins // {
      inherit (global) import scopedImport;
      readFile = path: builtins.trace "depot-scan '${toString path}'" (builtins.readFile path);
      readDir  = path: builtins.trace "depot-scan '${toString path}'" (builtins.readDir  path);
    };
  };

in global.import