Megatest

(if (or (getenv "MT_RUNSCRIPT")
	(args:get-arg "-repl")
	(args:get-arg "-load"))
    (let* ((toppath (launch:setup))
	   (dbstruct (if toppath (make-dbr:dbstruct path: toppath local: (args:get-arg "-local")) #f)))
      (if dbstruct
	  (cond
	   ((getenv "MT_RUNSCRIPT") ;; special way to run megatest scripts #!/usr/bin/env MT_RUNSCRIPT=yes megatest
	    (let ((fname (cadr (argv))))
	      (print "fname=" fname)
	      (load fname)))
	   ((getenv "MT_RUNSCRIPT")
	    ;; How to run megatest scripts
	    ;;
	    ;; #!/bin/bash
	    ;;
	    ;; export MT_RUNSCRIPT=yes
	    ;; megatest << EOF
	    ;; (print "Hello world")
	    ;; (exit)
	    ;; EOF

	    (repl))
	   (else
	    (begin
	      (set! *db* dbstruct)
	      (set! *client-non-blocking-mode* #t)
	      (import extras) ;; might not be needed
	      ;; (import csi)
	      (import readline)

  (let ((all-testnames (hash-table-keys test-records)))
    (if (null? all-testnames)
	'()
	(let loop ((hed (car all-testnames))
		   (tal (cdr all-testnames))
		   (res (list "digraph tests {"
			      " size=\"11,11\";"
			      " ratio=0.95;")))
			      " ratio=0.9;")))
	  (let* ((testrec (hash-table-ref test-records hed))
		 (waitons (or (tests:testqueue-get-waitons testrec) '()))
		 (newres  (append res
				  (if (null? waitons)
				      (list (conc "   \"" hed "\";"))
				      (map (lambda (waiton)
					     (conc "   \"" waiton "\" -> \"" hed "\";"))