collect-logs.nix

  # We can't use `nix log` within a nix derivation builder so we instead
  # generate a bash script which we call from the outside.
  collectLogs =
    let
      exportLog = name: drv: ''
        nix log ${toString drv.drvPath} > ${name}.log
      '';
    in
      nixpkgs.writeScriptBin "collect-logs.sh"
      (lib.concatStrings (lib.mapAttrsToList exportLog testedPackages));