Megatest

                            and then run the specified testpatt 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

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
  -testpatt patt1/patt2,patt3/...  : % is wildcard
  -runname                : required, name for this particular test run
  -state                  : Applies to runs, tests or steps depending on context

			"-set-values"
			"-load-test-data"
			"-summarize-items"
		        "-gui"
			"-daemonize"
			"-preclean"
			"-rerun-clean"
			"-clean-cache"

			;; misc
			"-repl"
			"-lock"
			"-unlock"
			"-list-servers"
                        "-run-wait"      ;; wait on a run to complete (i.e. no RUNNING)

			 (delay-loop (+ count 1))))
		   (loop)))
	     (if (common:low-noise-print 30)
		 (debug:print-info 0 "Exiting watchdog timer, *time-to-exit* = " *time-to-exit*)))))
     "Watchdog thread")))

(thread-start! *watchdog*)


(if (args:get-arg "-log")
    (let ((oup (open-output-file (args:get-arg "-log"))))
      (debug:print-info 0 "Sending log output to " (args:get-arg "-log"))
      (current-error-port oup)
      (current-output-port oup)))

	(change-directory (args:get-arg "-start-dir"))
	(begin
	  (debug:print 0 "ERROR: non-existant start dir " (args:get-arg "-start-dir") " specified, exiting.")
	  (exit 1))))

(if (args:get-arg "-version")
    (begin
      (print (common:version-signature)) ;; (print megatest-version)
      (exit)))

(define *didsomething* #f)

;; Overall exit handling setup immediately
;;
(if (or (args:get-arg "-process-reap"))

(if (args:get-arg "-itempatt")
    (let ((newval (conc (args:get-arg "-testpatt") "/" (args:get-arg "-itempatt"))))
      (debug:print 0 "WARNING: -itempatt has been deprecated, please use -testpatt testpatt/itempatt method, new testpatt is "newval)
      (hash-table-set! args:arg-hash "-testpatt" newval)
      (hash-table-delete! args:arg-hash "-itempatt")))

(if (args:get-arg "-runtests")
    (debug:print 0 "WARNING: \"-runtests\" is deprecated. Use \"-run\" with \"-testpatt\" instead"))

(on-exit std-exit-procedure)

;;======================================================================
;; Misc general calls
;;======================================================================

;; handle a clean-cache request as early as possible
;;
(if (args:get-arg "-clean-cache")
    (begin
      (set! *didsomething* #t) ;; suppress the help output.
      (if (getenv "MT_TARGET") ;; no point in trying if no target
	  (if (args:get-arg "-runname")
	      (let* ((toppath  (launch:setup))
		     (linktree (if toppath (configf:lookup *configdat* "setup" "linktree")))
		     (runtop   (conc linktree "/" (getenv "MT_TARGET") "/" (args:get-arg "-runname")))
		     (files    (if (file-exists? runtop)
				   (append (glob (conc runtop "/.megatest*"))
					   (glob (conc runtop "/.runconfig*")))
				   '())))
		(if (null? files)
		    (debug:print-info 0 "No cached megatest or runconfigs files found. None removed.")
		    (begin
		      (debug:print-info 0 "Removing cached files:\n    " (string-intersperse files "\n    "))
		      (for-each 
		       (lambda (f)
			 (handle-exceptions
			     exn
			     (debug:print 0 "WARNING: Failed to remove file " f)
			   (delete-file f)))
		       files))))
	      (debug:print 0 "ERROR: -clean-cache requires -runname."))
	  (debug:print 0 "ERROR: -clean-cache requires -target or -reqtarg"))))
	    
	  
(if (args:get-arg "-env2file")
    (begin
      (save-environment-as-files (args:get-arg "-env2file"))
      (set! *didsomething* #t)))

(if (args:get-arg "-list-disks")
    (let ((toppath (launch:setup)))
      (print 
       (string-intersperse 
	(map (lambda (x)
	       (string-intersperse 
		x
		" => "))
	     (common:get-disks *configdat*))
	"\n"))
      (set! *didsomething* #t)))
























;; csv processing record
(define (make-refdb:csv)
  (vector 
   (make-sparse-array)
   (make-hash-table)
   (make-hash-table)
   0

      ))

(if (args:get-arg "-ping")
    (let* ((run-id        (string->number (args:get-arg "-run-id")))
	   (host:port     (args:get-arg "-ping")))
      (server:ping run-id host:port)))









;;======================================================================
;; Capture, save and manipulate environments
;;======================================================================

;; NOTE: Keep these above the section where the server or client code is setup

(let ((envcap (args:get-arg "-envcap")))

		      (args:get-arg "-o")
		    (lambda ()
		      (env:print added removed changed)))
		  (env:print added removed changed))
	      (env:close-database db)
	      (set! *didsomething* #t))
	    (debug:print 0 "ERROR: Parameter to -envdelta should be new=star-end")))))



;;======================================================================
;; Start the server - can be done in conjunction with -runall or -runtests (one day...)
;;   we start the server if not running else start the client thread
;;======================================================================

(if (args:get-arg "-server")

      (exit 3))
     (else
      (if (not (car *configinfo*))
	  (begin
	    (debug:print 0 "ERROR: Attempted " action "on test(s) but run area config file not found")
	    (exit 1))
	  ;; put test parameters into convenient variables
	  (begin
	    ;; check for correct version, exit with message if not correct
	    (common:exit-on-version-changed)
	    (runs:operate-on  action
			      target
			      (common:args-get-runname)  ;; (or (args:get-arg "-runname")(args:get-arg ":runname"))
			      (common:args-get-testpatt #f) ;; (args:get-arg "-testpatt")
			      state: (common:args-get-state)
			      status: (common:args-get-status)
			      new-state-status: (args:get-arg "-set-state-status"))))
      (set! *didsomething* #t)))))

(if (args:get-arg "-remove-runs")
    (general-run-call 
     "-remove-runs"
     "remove runs"
     (lambda (target runname keys keyvals)
       (operate-on 'remove-runs))))

	     (db        #f))
	(change-directory testpath)
	(if (not (launch:setup))
	    (begin
	      (debug:print 0 "Failed to setup, exiting")
	      (exit 1)))
	(if (and state status)
	    (let ((comment (launch:load-logpro-dat run-id test-id step)))
	      ;; (rmt:test-set-log! run-id test-id (conc stepname ".html"))))
	      (rmt:teststep-set-status! run-id test-id step state status (or comment msg) logfile))
	    (begin
	      (debug:print 0 "ERROR: You must specify :state and :status with every call to -step")
	      (exit 6))))))

(if (args:get-arg "-step")
    (begin
      (megatest:step 

	       (db-host   (assoc/default 'db-host   cmdinfo))
	       (run-id    (assoc/default 'run-id    cmdinfo))
	       (test-id   (assoc/default 'test-id   cmdinfo))
	       (itemdat   (assoc/default 'itemdat   cmdinfo))
	       (work-area (assoc/default 'work-area cmdinfo))
	       (db        #f) ;; (open-db))
	       (state     (args:get-arg ":state"))
	       (status    (args:get-arg ":status"))
	       (stepname  (args:get-arg "-step")))
	  (if (not (launch:setup))
	      (begin
		(debug:print 0 "Failed to setup, exiting")
		(exit 1)))

	  (if (args:get-arg "-runstep")(debug:print-info 1 "Running -runstep, first change to directory " work-area))
	  (change-directory work-area)

       ;; 'new2old
       'killservers
       'dejunk
       ;; 'adj-testids
       ;; 'old2new
       'new2old
       )
      (if (common:version-changed?)
	  (common:set-last-run-version))
      (set! *didsomething* #t)))

(if (args:get-arg "-mark-incompletes")
    (begin
      (if (not (launch:setup))
	  (begin
	    (debug:print 0 "Failed to setup, exiting")
	    (exit 1)))
      (open-run-close db:find-and-mark-incomplete #f)
      (set! *didsomething* #t)))

;;======================================================================
;; Update the tests meta data from the testconfig files
;;======================================================================