runtime/plugins/ftoptions/ftoptions.lua

   1 function onBufferOpen(b)
   2     local ft = b:FileType()
   3
   4     if ft == "go" or
   5     ft == "makefile" then
   6         b:SetOption("tabstospaces", "off")
   7     elseif ft == "fish" or
   8            ft == "python" or
   9            ft == "python2" or
  10            ft == "python3" or
  11            ft == "yaml" or
  12            ft == "nim" then
  13         b:SetOption("tabstospaces", "on")
  14     end
  15 end