The command `nix print-dev-env` prints the environment variables used, which helps. But I think a suggested DX is to make use of direnv. e.g. the nix-direnv te

The command `nix print-dev-env` prints the environment variables used, which helps. But I think a suggested DX is to make use of direnv. e.g. the nix-direnv template: https://github.com/nix-community/nix-direnv/blob/master/template/flake.nix https://github.com/nix-community/nix-direnv/blob/master/temp... I think this still leaves a gap from what `nix-shell --pure` had.