# It uses nixpkgs' revision 219f896bdf192721446db4fedc338eebf732057d for reproducibility purposes
# which will install R version 4.3.1.
let
 pkgs = import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/219f896bdf192721446db4fedc338eebf732057d.tar.gz") {};
 
  rpkgs = builtins.attrValues {
    inherit (pkgs.rPackages) 
      knitr
      markdown
      rmarkdown
      htmltools
      yaml;
      # dplyr
      # purrr
      # ggplot2
      # gt
      # htmlwidgets
      # magrittr
      # rstudioapi;
  };
 
  system_packages = builtins.attrValues {
    inherit (pkgs) 
      git
      glibcLocales
      nix
      quarto
      R;
  };
 
in

pkgs.mkShell {
  LOCALE_ARCHIVE = if pkgs.system == "x86_64-linux" then "${pkgs.glibcLocales}/lib/locale/locale-archive" else "";
  LANG = "en_US.UTF-8";
  LC_ALL = "en_US.UTF-8";
  LC_TIME = "en_US.UTF-8";
  LC_MONETARY = "en_US.UTF-8";
  LC_PAPER = "en_US.UTF-8";
  LC_MEASUREMENT = "en_US.UTF-8";

  buildInputs = [ rpkgs system_packages ];
  
}