local function set_indent(use_spaces, size)
  vim.o.expandtab = use_spaces
  vim.o.shiftwidth = size
  vim.o.tabstop = size
end

vim.api.nvim_create_user_command('IndentTabs', function(opts)
  local size = tonumber(opts.fargs[1])
  set_indent(false, size)
  print('Set buffer indentation to tabs with indent/tab size of', size)
end, { nargs = 1 })

vim.api.nvim_create_user_command('IndentSpaces', function(opts)
  local size = tonumber(opts.fargs[1])
  set_indent(true, size)
  print('Set buffer indentation to spaces with indent/tab size of', size)
end, { nargs = 1 })