core/lib/tests/release.nix

{
  # The pkgs used for dependencies for the testing itself
  # Don't test properties of pkgs.lib, but rather the lib in the parent directory
  pkgs ? import /etc/nix/inputs/nixpkgs { } // {
    lib = throw "pkgs.lib accessed, but the lib tests should use nixpkgs' lib path directly!";
  },
  nix ? pkgs-nixVersions.stable,
  nixVersions ? [
    pkgs-nixVersions.minimum
    nix
    pkgs-nixVersions.latest
  ],
  pkgs-nixVersions ? import ./nix-for-tests.nix { inherit pkgs; },
}:

let
  lib = import ../.;
  testWithNix = nix: import ./test-with-nix.nix { inherit lib nix pkgs; };

in
pkgs.symlinkJoin {
  name = "nixpkgs-lib-tests";
  paths = map testWithNix nixVersions # ++

  #
  # TEMPORARY MIGRATION MECHANISM
  #
  # This comment and the expression which follows it should be
  # removed as part of resolving this issue:
  #
  #   https://github.com/NixOS/nixpkgs/issues/272591
  #
  # [(import ../../pkgs/test/release {})]
  ;

}