Megatest

			"-logging"
			"-v" ;; verbose 2, more than normal (normal is 1)
			"-q" ;; quiet 0, errors/warnings only
		       )
		 args:arg-hash
		 0))

;; Add args that use remargs here
;;
(if (and (not (null? remargs))
	 (not (or
	       (args:get-arg "-runstep")
	       (args:get-arg "-envcap")
	       (args:get-arg "-envdelta")
	       )

	      ))
    (debug:print 0 "ERROR: Unrecognised arguments: " (string-intersperse (if (list? remargs) remargs (argv))  " ")))

;; immediately set MT_TARGET if -reqtarg or -target are available
;;
(let ((targ (or (args:get-arg "-reqtarg")(args:get-arg "-target"))))
  (if targ (setenv "MT_TARGET" targ)))

;;       (set! *did-something* #t)
;; 	      (begin
;; 		(print ((rpc:procedure 'testing (car host-port)(cadr host-port))))
;; 		(case (server:get-transport)
;; 		  ((http)(http:ping run-id host-port))
;; 		  ((rpc) (rpc:procedure 'server:login (car host-port)(cadr host-port));;  *toppath*)) ;; (rpc-transport:ping  run-id (car host-port)(cadr host-port)))
;; 		  (else  (debug:print 0 "ERROR: No transport set")(exit)))))

;;======================================================================
;; 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")))
  (if envcap
      (let* ((db      (env:open-db (if (null? remargs) "envdat.db" (car remargs)))))
	(env:save-env-vars db envcap)
	(env:close-database db)
	(set! *didsomething* #t))))

;; delta "language" will eventually be res=a+b-c but for now it is just res=a-b 
;;
(let ((envdelta (args:get-arg "-envdelta")))
  (if envdelta
      (let ((match (string-split envdelta "-")));; (string-match "([a-z0-9_]+)=([a-z0-9_\\-,]+)" envdelta)))
	(if (not (null? match))
	    (let* ((db        (env:open-db (if (null? remargs) "envdat.db" (car remargs))))
		   ;; (resctx    (cadr match))
		   ;; (equn      (caddr match))
		   (parts     match) ;; (string-split equn "-"))
		   (minuend   (car parts))
		   (subtraend (cadr parts))
		   (added     (env:get-added   db minuend subtraend))
		   (removed   (env:get-removed db minuend subtraend))
		   (changed   (env:get-changed db minuend subtraend)))
	      ;; (pp (hash-table->alist added))
	      ;; (pp (hash-table->alist removed))
	      ;; (pp (hash-table->alist changed))
	      (if (args:get-arg "-o")
		  (with-output-to-file
		      (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")

    ;; Server? Start up here.
    ;;
    (let ((tl        (launch:setup-for-run))
	  (run-id    (and (args:get-arg "-run-id")
			  (string->number (args:get-arg "-run-id")))))
      (if run-id
	  (begin
	    (server:launch run-id)
	    (set! *didsomething* #t))
	  (debug:print 0 "ERROR: server requires run-id be specified with -run-id")))

    ;; Not a server? This section will decide how to communicate
    ;;
    ;;  Setup client for all expect listed here
    (if (null? (lset-intersection 
		equal?
		(hash-table-keys args:arg-hash)
		'("-list-servers"
		  "-stop-server"
		  "-show-cmdinfo"
		  "-list-runs"
		  "-ping")))
	(if (launch:setup-for-run)
	    (let ((run-id    (and (args:get-arg "-run-id")
				  (string->number (args:get-arg "-run-id")))))
	      ;; (set! *fdb*   (filedb:open-db (conc *toppath* "/db/paths.db")))
	      ;; if not list or kill then start a client (if appropriate)
	      (if (or (args-defined? "-h" "-version" "-gen-megatest-area" "-gen-megatest-test")
		      (eq? (length (hash-table-keys args:arg-hash)) 0))
		  (debug:print-info 1 "Server connection not needed")
		  (begin
		    ;; (if run-id 
		    ;;     (client:launch run-id) 
		    ;;     (client:launch 0)      ;; without run-id we'll start a server for "0"
		    #t
		    ))))))

;; MAY STILL NEED THIS
;;		       (set! *megatest-db* (make-dbr:dbstruct path: *toppath* local: #t))))))))))

(if (or (args:get-arg "-list-servers")
	(args:get-arg "-stop-server"))
    (let ((tl (launch:setup-for-run)))

		   targets))
	((json)
	 (json-write targets))
	(else
	 (debug:print 0 "ERROR: dump output format " (args:get-arg "-dumpmode") " not supported for -list-targets")))
      (set! *didsomething* #t)))

;; cache the runconfigs in $MT_LINKTREE/$MT_TARGET/$MT_RUNNAME/.runconfig
;;
(define (full-runconfigs-read)
  (let* ((rundir (if (and (getenv "MT_LINKTREE")(getenv "MT_TARGET")(getenv "MT_RUNNAME"))
		     (conc (getenv "MT_LINKTREE") "/" (getenv "MT_TARGET") "/" (getenv "MT_RUNNAME"))
		     #f))
	 (cfgf   (if rundir (conc rundir "/.runconfig." megatest-version "-" megatest-fossil-hash) #f)))
    (if (and cfgf
	     (file-exists? cfgf)
	     (file-write-access? cfgf))
	(configf:read-alist cfgf)
	(let* ((keys   (rmt:get-keys))
	       (target (common:args-get-target))
	       (key-vals (if target (keys:target->keyval keys target) #f))
	       (sections (if target (list "default" target) #f))
	       (data     (begin
			   (setenv "MT_RUN_AREA_HOME" *toppath*)
			   (if key-vals
			       (for-each (lambda (kt)
					   (setenv (car kt) (cadr kt)))
					 key-vals))
			   (read-config (conc *toppath* "/runconfigs.config") #f #t sections: sections))))
	  (if (and rundir ;; have all needed variabless
		   (directory-exists? rundir)
		   (file-write-access? rundir))
	      (begin
		(configf:write-alist data cfgf)
		;; force re-read of megatest.config - this resolves circular references between megatest.config
		(launch:setup-for-run force: #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-for-run)))
      (push-directory *toppath*)
      (let ((data (full-runconfigs-read)))
	;; keep this one local
	(cond

    (begin
      (db:multi-db-sync 
       #f ;; do all run-ids
       'new2old
       )
      (set! *didsomething* #t)))








































;;======================================================================
;; Exit and clean up
;;======================================================================

(if *runremote* (close-all-connections!))

(if (not *didsomething*)