nixos/pkgs/pinentry-selector.nix

{ pkgs }:
pkgs.writeShellApplication {
  name = "pinentry";
  runtimeInputs = with pkgs; [
    pinentry-all
  ];
  text = ''
    case $(tty) in
      /dev/tty[1-9])
        pinentry-curses;;
      /dev/pts/*)
        if [ -v SSH_CLIENT ] && [ -n "$SSH_CLIENT" ]; then
          pinentry-curses
        else
          pinentry-qt
        fi
      ;;
      *)
        pinentry-curses;;
    esac
  '';
}