Megatest

  -rerun-all              : set all tests to NOT_STARTED,n/a and run with -preclean
  -lock                   : lock run specified by target and runname
  -unlock                 : unlock run specified by target and runname
  -set-run-status status  : sets status for run to status, requires -target and -runname
  -get-run-status         : gets status for run specified by target and runname
  -run-wait               : wait on run specified by target and runname
  -preclean               : remove the existing test directory before running the test
  -clean-cache            : remove the cached megatest.config and runconfig.config files
  -clean-cache            : remove the cached megatest.config and runconfigs.config files
  -no-cache               : do not use the cached config files. 

Selectors (e.g. use for -runtests, -remove-runs, -set-state-status, -list-runs etc.)
  -target key1/key2/...   : run for key1, key2, etc.
  -reqtarg key1/key2/...  : run for key1, key2, etc. but key1/key2 must be in runconfig
  -reqtarg key1/key2/...  : run for key1, key2, etc. but key1/key2 must be in runconfigs
  -testpatt patt1/patt2,patt3/...  : % is wildcard
  -runname                : required, name for this particular test run
  -state                  : Applies to runs, tests or steps depending on context
  -status                 : Applies to runs, tests or steps depending on context
  --modepatt key          : load testpatt from <key> in runconfigs instead of default TESTPATT if -testpatt and -tagexpr are not specified
  -tagexpr tag1,tag2%,..  : select tests with tags matching expression

# Get test path, use '.' to get a single path or a specific path/file pattern
megatest -test-files 'logs/*.log' -target ubuntu/n%/no% -runname w49% -testpatt test_mt%

Called as " (string-intersperse (argv) " ") "
Version " megatest-version ", built from " megatest-fossil-hash ))

;;  -gui                    : start a gui interface
;;  -config fname           : override the runconfig file with fname
;;  -config fname           : override the runconfigs file with fname

;; process args
(define remargs (args:get-args 
		 (argv)
		 (list  "-runtests"  ;; run a specific test
			"-config"    ;; override the config file name
			"-execute"   ;; run the command encoded in the base64 parameter

			 change-env)
		    (safe-setenv envvar val))
		(hash-table-set! finaldat envvar val)))
	      (map car section-dat)))))
     sections)
    (if already-seen
	(begin
	  (debug:print 2 *default-log-port* "Key settings found in runconfig.config:")
	  (debug:print 2 *default-log-port* "Key settings found in runconfigs.config:")
	  (for-each (lambda (fullkey)
		      (debug:print 2 *default-log-port* (format #f "~20a ~a\n" fullkey (hash-table-ref/default whatfound fullkey 0))))
		    sections)
	  (debug:print 2 *default-log-port* "---")
	  (set! *already-seen-runconfig-info* #t)))
    ;; finaldat ;; was returning this "finaldat" which would be good but conflicts with other uses
    confdat