provide-module repl %∴
    define-command repl %{
        new %{ edit -scratch; set buffer filetype kak }
    }
    define-command execute-selection %{
        evaluate-commands -draft -save-regs 'a|' %{
            execute-keys '"ay'
            edit -scratch
            execute-keys '"aR'
            set-register | %{
                awk -v cmds="define-command|provide-module" '
                $0 ~ cmds {
                    if ($0 !~ /-override/) {
                        sub(/(foo-bar|define-command)/, "& -override")
                    }
                }
                { print }
                '
            }
            execute-keys '%|<ret>%:<c-r>.<ret>'
            delete-buffer
        }
    }
    define-command execute-file %{
        execute-keys -draft '%: execute-selection<ret>'
    }
∴