environment variables

configuration.nix

# nixos-rebuild build-vm -I nixos-config=./configuration.nix -Q -j8
{ ... }:

{
  environment.variables.A = "1";
  programs.bash.shellInit = "export B=2";
  environment.extraInit = "export C=3";
  environment.shellInit = "export D=4";
  environment.loginShellInit = "export E=5";
  environment.interactiveShellInit = "export F=6";
  services.xserver = {
    displayManager.lightdm.enable = true;
    #windowManager.i3.enable = true;
    #windowManager.default = "i3";
    #desktopManager.default = "none";
    desktopManager.xterm.enable = true;
    enable = true;
  };
  services.nixosManual.enable = false;
  users.users.root.password = "root";
  users.users.clever = {
    isNormalUser = true;
    initialPassword = "clever";
  };
}

etc-bashrc

export F=6

etc-profile

. /nix/store/x13swbpz573bgk0b5lfiddhk3w6ipns7-set-environment

export D=4

export B=2
export E=5

x13swbpz573bgk0b5lfiddhk3w6ipns7-set-environment

export A="1"
export C=3