:set -XOverloadedStrings

:set -package process

:{
import System.Exit qualified
import System.Process qualified

_reload_and_make _ = do
    p <- System.Process.spawnCommand "make -f Makefile_happysrcs"
    r <- System.Process.waitForProcess p
    case r of
        System.Exit.ExitSuccess -> pure ":reload"
        _                       -> pure ""
:}

:def! r _reload_and_make