let
  # Import nixpkgs and add the mozilla overlay
  nixpkgs = import <nixpkgs> {
    overlays = [
      (import (builtins.fetchTarball {
        url = "https://github.com/mozilla/nixpkgs-mozilla/archive/master.tar.gz";
      }))
    ];
  };
in
nixpkgs.mkShell {
  buildInputs = [
    (nixpkgs.rustChannelOf {
      channel = "stable";
      date = null; # null means latest
    }).rust
    nixpkgs.openssl
    nixpkgs.pkg-config
    nixpkgs.sqlite
    nixpkgs.libpq 
    nixpkgs.libmysqlclient
  ];

  shellHook = ''
    export TMPDIR=/tmp
    export PATH=$PATH:$HOME/.cargo/bin
    cargo install diesel_cli
    '';
}