vim.cmd([[
  autocmd FileType ruby nnoremap <buffer> <leader>cs :lua RunRubocop()<CR>
]])

vim.cmd([[
  autocmd FileType ruby nnoremap <buffer> <leader>x :lua RunInTerminal("ruby " .. vim.fn.expand('%'), true)<CR>
]])

-- Maybe this
-- vim.api.nvim_create_autocmd("FileType", {
--   pattern = "ruby",
--   callback = function()
--     map("n", "<leader>x", ":lua RunInTerminal('ruby ' .. vim.fn.expand('%'), true)<CR>", { buffer = true })
--   end,
-- })