devenv/env/mysql.nix

{ pkgs ? import <nixpkgs> { } }:

with pkgs;

let
  sql_file = "database/db.sql";
  data_dir = "$(pwd)/.mysql";
  socket = "${data_dir}/mysql.sock";

in mkShell {
  buildInputs = [ mysql57 ];

  shellHook = ''
    trap "kill 0" EXIT
    [ -d ${data_dir} ] || mkdir ${data_dir}

    mysqld --datadir="${data_dir}" --socket="${socket}" --initialize-insecure
    mysqld --datadir="${data_dir}" --socket="${socket}" --skip-networking &
    sleep 1

    mysql --socket="${socket}" -u root < ${sql_file}

    alias mysql='mysql --socket="${socket}" -u root'
  '';
}