Megatest

	  (if (and rundir ;; have all needed variabless
		   (directory-exists? rundir)
		   (file-write-access? rundir))
	      (begin
                (if (not (common:in-running-test?))
                    (configf:write-alist data cfgf))
		;; force re-read of megatest.config - this resolves circular references between megatest.config
		(launch:setup force-reread: #t)
		(launch:cache-config))) ;; we can safely cache megatest.config since we have a valid runconfig
	  data))))

(if (args:get-arg "-show-runconfig")
    (let ((tl (launch:setup)))
      (push-directory *toppath*)
      (let ((data (full-runconfigs-read)))