Megatest

;;           *configstatus* (status of the read data)
;;
(define (launch:setup #!key (force #f))
  (let* ((toppath  (or *toppath* (getenv "MT_RUN_AREA_HOME"))) ;; preserve toppath
	 (runname  (common:args-get-runname))
	 (target   (common:args-get-target))
	 (linktree (common:get-linktree))
	 (sections (if target (list "default" target) #f)) ;; for runconfigs
	 (mtconfig (or (args:get-arg "-config") "megatest.config")) ;; allow overriding megatest.config 
	 (rundir   (if (and runname target linktree)(conc linktree "/" target "/" runname) #f))
	 (mtcachef (and rundir (conc rundir "/" ".megatest.cfg-"  megatest-version "-" megatest-fossil-hash)))
	 (rccachef (and rundir (conc rundir "/" ".runconfigs.cfg-"  megatest-version "-" megatest-fossil-hash)))
	 (cancreate (and rundir (file-exists? rundir)(file-write-access? rundir))))
    ;; (print "runname: " runname " target: " target " mtcachef: " mtcachef " rccachef: " rccachef)
    (set! *toppath* toppath) ;; This is needed when we are running as a test using CMDINFO as a datasource

      (set! *runconfigdat* (configf:read-alist rccachef))
      (set! *configinfo*   (list *configdat*  (get-environment-variable "MT_RUN_AREA_HOME")))
      (set! *configstatus* 'fulldata)
      (set! *toppath*      (get-environment-variable "MT_RUN_AREA_HOME"))
      *toppath*)
     ;; we have all the info needed to fully process runconfigs and megatest.config
     (mtcachef              
      (let* ((sections   (list "default" target)) ;; for runconfigs
	     (first-pass (find-and-read-config        ;; NB// sets MT_RUN_AREA_HOME as side effect
      (let* ((first-pass (find-and-read-config        ;; NB// sets MT_RUN_AREA_HOME as side effect
				  mtconfig
				  environ-patt: "env-override"
				  given-toppath: toppath
				  pathenvvar: "MT_RUN_AREA_HOME"))
	     (first-rundat  (read-config (conc toppath "/runconfigs.config") *runconfigdat* #t 
					 sections: sections)))
	(set! *runconfigdat* first-rundat)

     (else
      (let* ((cfgdat   (find-and-read-config 
			(or (args:get-arg "-config") "megatest.config")
			environ-patt: "env-override"
			given-toppath: (get-environment-variable "MT_RUN_AREA_HOME")
			pathenvvar: "MT_RUN_AREA_HOME")))
	(if cfgdat
	    (let* ((sections (if target (list "default" target) #f))
		   (toppath  (or (get-environment-variable "MT_RUN_AREA_HOME")(cadr cfgdat)))
	    (let* ((toppath  (or (get-environment-variable "MT_RUN_AREA_HOME")(cadr cfgdat)))
		   (rdat     (read-config (conc toppath
						"/runconfigs.config") *runconfigdat* #t sections: sections)))
	      (set! *configinfo*   cfgdat)
	      (set! *configdat*    (car cfgdat))
	      (set! *runconfigdat* rdat)
	      (set! *toppath*      toppath)
	      (set! *configstatus* 'partial))