lib/tests/release.nix: Use nix.overrideScope for >=2.26

{

  lib ? pkgs.lib,

  pkgs,

}:

builtins.mapAttrs (

  attr: pkg:

  if

    # TODO descend in `nixComponents_*` and override `nix-store`. Also

    # need to introduce the flag needed to do that with.

    #

    # This must be done before Nix 2.26 and beyond becomes the default.

    !(builtins.elem attr [

      "nixComponents_2_26"

      "nix_2_26"

      "latest"

    ])

    # There may-be non-package things, like functions, in there too

    && builtins.isAttrs pkg

  then

    pkg.override { withAWS = false; }

  if lib.versionAtLeast pkg.version "2.26" then

    pkg.overrideScope (finalScope: prevScope: { aws-sdk-cpp = null; })

  else

    pkg

    pkg.override { withAWS = false; }

) pkgs.nixVersions