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Comment:Cherrypick 64826
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SHA1: 47eef64ee93cee15b925d2c873db15af56215d13
User & Date: mrwellan on 2016-04-27 10:26:07
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Context
2016-04-27
10:46
Cherrypick 2972 check-in: 08dc0ff892 user: mrwellan tags: rebase-envprocessing
10:26
Cherrypick 64826 check-in: 47eef64ee9 user: mrwellan tags: rebase-envprocessing
10:24
Cherrypick 8269afbaa4e1a check-in: eaac938df2 user: mrwellan tags: rebase-envprocessing
Changes

Modified configf.scm from [dae73e7b9f] to [3ed4257dc9].

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	(debug:print-info 1 "read-config - file not found " path " current path: " (current-directory))
	;; WARNING: This is a risky change but really, we should not return an empty hash table if no file read?
	#f) ;; (if (not ht)(make-hash-table) ht))
      (let ((inp        (open-input-file path))
	    (res        (if (not ht)(make-hash-table) ht))
	    (metapath   (if (or (debug:debug-mode 9)
				keep-filenames)
			    path #f)))






	(let loop ((inl               (configf:read-line inp res allow-system settings)) ;; (read-line inp))
		   (curr-section-name (if curr-section curr-section "default"))
		   (var-flag #f);; turn on for key-var-pr and cont-ln-rx, turn off elsewhere
		   (lead     #f))
	  (debug:print-info 8 "curr-section-name: " curr-section-name " var-flag: " var-flag "\n   inl: \"" inl "\"")
	  (if (eof-object? inl) 
	      (begin
		(close-input-port inp)
		(hash-table-delete! res "") ;; we are using "" as a dumping ground and must remove it before returning the ht
		(debug:print 9 "END: " path)
		res)
	      (regex-case 
	       inl 
	       (configf:comment-rx _                  (loop (configf:read-line inp res allow-system settings) curr-section-name #f #f))
	       (configf:blank-l-rx _                  (loop (configf:read-line inp res allow-system settings) curr-section-name #f #f))
	       (configf:settings   ( x setting val  ) (begin
							(hash-table-set! settings setting val)
							(loop (configf:read-line inp res allow-system settings) curr-section-name #f #f)))
	       (configf:include-rx ( x include-file ) (let* ((curr-conf-dir (pathname-directory path))
							     (full-conf     (if (absolute-pathname? include-file)
										include-file
										(nice-path 
										 (conc (if curr-conf-dir
											   curr-conf-dir
											   ".")
										       "/" include-file)))))
							(if (file-exists? full-conf)
							    (begin
							      ;; (push-directory conf-dir)
							      (debug:print 9 "Including: " full-conf)
							      (read-config full-conf res allow-system environ-patt: environ-patt curr-section: curr-section-name sections: sections settings: settings keep-filenames: keep-filenames)
							      ;; (pop-directory)
							      (loop (configf:read-line inp res allow-system settings) curr-section-name #f #f))
							    (begin
							      (debug:print '(2 9) "INFO: include file " include-file " not found (called from " path ")")
							      (debug:print 2 "        " full-conf)
							      (loop (configf:read-line inp res allow-system settings) curr-section-name #f #f)))))
	       (configf:section-rx ( x section-name ) (begin
							;; call post-section-procs
							(for-each 
							 (lambda (dat)
							   (let ((patt (car dat))
								 (proc (cdr dat)))
							     (if (string-match patt curr-section-name)
								 (proc curr-section-name section-name res path))))
							 post-section-procs)
							(loop (configf:read-line inp res allow-system settings)
							      ;; if we have the sections list then force all settings into "" and delete it later?
							      (if (or (not sections) 
								      (member section-name sections))
								  section-name "") ;; stick everything into ""
							      #f #f)))
	       (configf:key-sys-pr ( x key cmd      ) (if allow-system
							  (let ((alist    (hash-table-ref/default res curr-section-name '()))
								(val-proc (lambda ()
									    (let* ((start-time (current-seconds))
										   (cmdres     (process:cmd-run->list cmd))
										   (delta      (- (current-seconds) start-time))
										   (status     (cadr cmdres))
										   (res        (car  cmdres)))







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	(debug:print-info 1 "read-config - file not found " path " current path: " (current-directory))
	;; WARNING: This is a risky change but really, we should not return an empty hash table if no file read?
	#f) ;; (if (not ht)(make-hash-table) ht))
      (let ((inp        (open-input-file path))
	    (res        (if (not ht)(make-hash-table) ht))
	    (metapath   (if (or (debug:debug-mode 9)
				keep-filenames)
			    path #f))
	    (calc-allow-system (lambda (allow-system section sections)
				 (if sections
				     (and (or (equal? "default" section)
					      (member section sections))
					  allow-system) ;; account for sections and return allow-system as it might be a symbol such as return-strings
				     allow-system))))
	(let loop ((inl               (configf:read-line inp res (calc-allow-system allow-system curr-section sections) settings)) ;; (read-line inp))
		   (curr-section-name (if curr-section curr-section "default"))
		   (var-flag #f);; turn on for key-var-pr and cont-ln-rx, turn off elsewhere
		   (lead     #f))
	  (debug:print-info 8 "curr-section-name: " curr-section-name " var-flag: " var-flag "\n   inl: \"" inl "\"")
	  (if (eof-object? inl) 
	      (begin
		(close-input-port inp)
		(hash-table-delete! res "") ;; we are using "" as a dumping ground and must remove it before returning the ht
		(debug:print 9 "END: " path)
		res)
	      (regex-case 
	       inl 
	       (configf:comment-rx _                  (loop (configf:read-line inp res (calc-allow-system allow-system curr-section sections) settings) curr-section-name #f #f))
	       (configf:blank-l-rx _                  (loop (configf:read-line inp res (calc-allow-system allow-system curr-section sections) settings) curr-section-name #f #f))
	       (configf:settings   ( x setting val  ) (begin
							(hash-table-set! settings setting val)
							(loop (configf:read-line inp res (calc-allow-system allow-system curr-section sections) settings) curr-section-name #f #f)))
	       (configf:include-rx ( x include-file ) (let* ((curr-conf-dir (pathname-directory path))
							     (full-conf     (if (absolute-pathname? include-file)
										include-file
										(nice-path 
										 (conc (if curr-conf-dir
											   curr-conf-dir
											   ".")
										       "/" include-file)))))
							(if (file-exists? full-conf)
							    (begin
							      ;; (push-directory conf-dir)
							      (debug:print 9 "Including: " full-conf)
							      (read-config full-conf res (calc-allow-system allow-system curr-section sections) environ-patt: environ-patt curr-section: curr-section-name sections: sections settings: settings keep-filenames: keep-filenames)
							      ;; (pop-directory)
							      (loop (configf:read-line inp res (calc-allow-system allow-system curr-section sections) settings) curr-section-name #f #f))
							    (begin
							      (debug:print '(2 9) "INFO: include file " include-file " not found (called from " path ")")
							      (debug:print 2 "        " full-conf)
							      (loop (configf:read-line inp res (calc-allow-system allow-system curr-section sections) settings) curr-section-name #f #f)))))
	       (configf:section-rx ( x section-name ) (begin
							;; call post-section-procs
							(for-each 
							 (lambda (dat)
							   (let ((patt (car dat))
								 (proc (cdr dat)))
							     (if (string-match patt curr-section-name)
								 (proc curr-section-name section-name res path))))
							 post-section-procs)
							(loop (configf:read-line inp res (calc-allow-system allow-system curr-section sections) settings)
							      ;; if we have the sections list then force all settings into "" and delete it later?
							      (if (or (not sections) 
								      (member section-name sections))
								  section-name "") ;; stick everything into ""
							      #f #f)))
	       (configf:key-sys-pr ( x key cmd      ) (if (calc-allow-system allow-system curr-section sections)
							  (let ((alist    (hash-table-ref/default res curr-section-name '()))
								(val-proc (lambda ()
									    (let* ((start-time (current-seconds))
										   (cmdres     (process:cmd-run->list cmd))
										   (delta      (- (current-seconds) start-time))
										   (status     (cadr cmdres))
										   (res        (car  cmdres)))
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										  (debug:print-info 9 "for line \"" inl "\"\n  command: " cmd " took " delta " seconds to run with output:\n   " res))
									      (if (null? res)
										  ""
										  (string-intersperse res " "))))))
							    (hash-table-set! res curr-section-name 
									     (config:assoc-safe-add alist
									   			    key 
												    (case allow-system
												      ((return-procs) val-proc)
												      ((return-string) cmd)
												      (else (val-proc)))
												    metadata: metapath))
							    (loop (configf:read-line inp res allow-system settings) curr-section-name #f #f))
							  (loop (configf:read-line inp res allow-system settings) curr-section-name #f #f)))
	       (configf:key-val-pr ( x key unk1 val unk2 ) (let* ((alist   (hash-table-ref/default res curr-section-name '()))
								  (envar   (and environ-patt (string-search (regexp environ-patt) curr-section-name)))
								  (realval (if envar
									       (config:eval-string-in-environment val)
									       val)))
							     (debug:print-info 6 "read-config env setting, envar: " envar " realval: " realval " val: " val " key: " key " curr-section-name: " curr-section-name)
							     (if envar (safe-setenv key realval))
							     (debug:print 10 "   setting: [" curr-section-name "] " key " = " val)
							     (hash-table-set! res curr-section-name 
									      (config:assoc-safe-add alist key realval metadata: metapath))
							     (loop (configf:read-line inp res allow-system settings) curr-section-name key #f)))
	       (configf:key-no-val ( x key val)             (let* ((alist   (hash-table-ref/default res curr-section-name '())))
							      (debug:print 10 "   setting: [" curr-section-name "] " key " = #t")
							      (hash-table-set! res curr-section-name 
									       (config:assoc-safe-add alist key #t metadata: metapath))
							      (loop (configf:read-line inp res allow-system settings) curr-section-name key #f)))
	       ;; if a continued line
	       (configf:cont-ln-rx ( x whsp val     ) (let ((alist (hash-table-ref/default res curr-section-name '())))
						(if var-flag             ;; if set to a string then we have a continued var
						    (let ((newval (conc 
								   (config-lookup res curr-section-name var-flag) "\n"
								   ;; trim lead from the incoming whsp to support some indenting.
								   (if lead
								       (string-substitute (regexp lead) "" whsp)
								       "")
								   val)))
						      ;; (print "val: " val "\nnewval: \"" newval "\"\nvarflag: " var-flag)
						      (hash-table-set! res curr-section-name 
								       (config:assoc-safe-add alist var-flag newval metadata: metapath))
						      (loop (configf:read-line inp res allow-system settings) curr-section-name var-flag (if lead lead whsp)))
						    (loop (configf:read-line inp res allow-system settings) curr-section-name #f #f))))
	       (else (debug:print 0 "ERROR: problem parsing " path ",\n   \"" inl "\"")
		     (set! var-flag #f)
		     (loop (configf:read-line inp res allow-system settings) curr-section-name #f #f))))))))
  
;; pathenvvar will set the named var to the path of the config
(define (find-and-read-config fname #!key (environ-patt #f)(given-toppath #f)(pathenvvar #f))
  (let* ((curr-dir   (current-directory))
         (configinfo (find-config fname toppath: given-toppath))
	 (toppath    (car configinfo))
	 (configfile (cadr configinfo))







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										  (debug:print-info 9 "for line \"" inl "\"\n  command: " cmd " took " delta " seconds to run with output:\n   " res))
									      (if (null? res)
										  ""
										  (string-intersperse res " "))))))
							    (hash-table-set! res curr-section-name 
									     (config:assoc-safe-add alist
									   			    key 
												    (case (calc-allow-system allow-system curr-section sections)
												      ((return-procs) val-proc)
												      ((return-string) cmd)
												      (else (val-proc)))
												    metadata: metapath))
							    (loop (configf:read-line inp res (calc-allow-system allow-system curr-section sections) settings) curr-section-name #f #f))
							  (loop (configf:read-line inp res (calc-allow-system allow-system curr-section sections) settings) curr-section-name #f #f)))
	       (configf:key-val-pr ( x key unk1 val unk2 ) (let* ((alist   (hash-table-ref/default res curr-section-name '()))
								  (envar   (and environ-patt (string-search (regexp environ-patt) curr-section-name)))
								  (realval (if envar
									       (config:eval-string-in-environment val)
									       val)))
							     (debug:print-info 6 "read-config env setting, envar: " envar " realval: " realval " val: " val " key: " key " curr-section-name: " curr-section-name)
							     (if envar (safe-setenv key realval))
							     (debug:print 10 "   setting: [" curr-section-name "] " key " = " val)
							     (hash-table-set! res curr-section-name 
									      (config:assoc-safe-add alist key realval metadata: metapath))
							     (loop (configf:read-line inp res (calc-allow-system allow-system curr-section sections) settings) curr-section-name key #f)))
	       (configf:key-no-val ( x key val)             (let* ((alist   (hash-table-ref/default res curr-section-name '())))
							      (debug:print 10 "   setting: [" curr-section-name "] " key " = #t")
							      (hash-table-set! res curr-section-name 
									       (config:assoc-safe-add alist key #t metadata: metapath))
							      (loop (configf:read-line inp res (calc-allow-system allow-system curr-section sections) settings) curr-section-name key #f)))
	       ;; if a continued line
	       (configf:cont-ln-rx ( x whsp val     ) (let ((alist (hash-table-ref/default res curr-section-name '())))
						(if var-flag             ;; if set to a string then we have a continued var
						    (let ((newval (conc 
								   (config-lookup res curr-section-name var-flag) "\n"
								   ;; trim lead from the incoming whsp to support some indenting.
								   (if lead
								       (string-substitute (regexp lead) "" whsp)
								       "")
								   val)))
						      ;; (print "val: " val "\nnewval: \"" newval "\"\nvarflag: " var-flag)
						      (hash-table-set! res curr-section-name 
								       (config:assoc-safe-add alist var-flag newval metadata: metapath))
						      (loop (configf:read-line inp res (calc-allow-system allow-system curr-section sections) settings) curr-section-name var-flag (if lead lead whsp)))
						    (loop (configf:read-line inp res (calc-allow-system allow-system curr-section sections) settings) curr-section-name #f #f))))
	       (else (debug:print 0 "ERROR: problem parsing " path ",\n   \"" inl "\"")
		     (set! var-flag #f)
		     (loop (configf:read-line inp res (calc-allow-system allow-system curr-section sections) settings) curr-section-name #f #f))))))))
  
;; pathenvvar will set the named var to the path of the config
(define (find-and-read-config fname #!key (environ-patt #f)(given-toppath #f)(pathenvvar #f))
  (let* ((curr-dir   (current-directory))
         (configinfo (find-config fname toppath: given-toppath))
	 (toppath    (car configinfo))
	 (configfile (cadr configinfo))

Modified launch.scm from [2b290f7cdb] to [a813a15787].

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;;     *toppath*
;;   side effects:
;;     sets; *configdat*    (megatest.config info)
;;           *runconfigdat* (runconfigs.config info)
;;           *configstatus* (status of the read data)
;;
(define (launch:setup-new #!key (force #f))
  (let* ((toppath  (or *toppath* (getenv "MT_RUN_AREA_HOME")))
	 (runname  (common:args-get-runname))
	 (target   (common:args-get-target))
	 (linktree (common:get-linktree))

	 (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)
    (if (not *toppath*)(set! *toppath* toppath)) ;; this probably is not needed?
    (cond
     ;; data was read and cached and available in *configstatus*
     ((eq? *configstatus* 'fulldata)
      *toppath*)
     ;; if mtcachef exists just read it
     ((and mtcachef (file-exists? mtcachef))
      (set! *configdat*    (configf:read-alist mtcachef))
      (set! *runconfigdat* (configf:read-alist rccachef))
      (set! *configinfo*   (list *configdat*  (get-environment-variable "MT_RUN_AREA_HOME")))
      (set! *configstatus* 'fulldata)

      *toppath*)
     ;; we have all the info needed to fully process runconfigs and megatest.config
     (mtcachef              


      (let ((first-pass (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 first-pass
	    (begin
	      (set! *configdat*  (car first-pass))
	      (set! *configinfo* first-pass)
	      (set! *toppath*    (or toppath (cadr first-pass))) ;; use the gathered data unless already have it
	      (set! toppath      *toppath*)

	      ;; the seed read is done, now read runconfigs, cache it then read megatest.config one more time and cache it
	      (let* ((keys     (rmt:get-keys))
		     (key-vals (if target (keys:target->keyval keys target) #f))
		     (sections (if target (list "default" target) #f)) ;; for runconfigs
		     (linktree (or (getenv "MT_LINKTREE")
				   (if *configdat* (configf:lookup *configdat* "setup" "linktree") #f)))

		     (runconfigdat (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 cancreate (configf:write-alist runconfigdat rccachef))
		(set! *runconfigdat* runconfigdat)
		(if cancreate (configf:write-alist *configdat* mtcachef))
		(if cancreate (set! *configstatus* 'fulldata))))
		;; (let ((second-pass (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 cancreate (configf:write-alist (car second-pass) mtcachef))
		;;   (set! *configdat* (car second-pass))
		;;   (set! *toppath*   (or toppath (cadr second-pass))) ;; this should be a no-op, remove it later
		;;   (if cancreate (set! *configstatus* 'fulldata)))))
	    ;; no configs found? should not happen but let's try to recover gracefully, return an empty hash-table
	    (set! *configdat* (make-hash-table))
	    )))
     ;; else read what you can and set the flag accordingly
     (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"))

	     (sections (if target (list "default" target) #f))
	     (rdat     (read-config (conc (or *toppath* (get-environment-variable "MT_RUN_AREA_HOME")(cadr cfgdat))

					  "/runconfigs.config") #f #t sections: sections)))
	(set! *configinfo*   cfgdat)
	(set! *configdat*    (car cfgdat))
	(set! *runconfigdat* rdat)
	(set! *toppath*      (or toppath (cadr cfgdat)))
	(set! toppath        *toppath*)  ;; remove this sillyness later
	(set! *configstatus* 'partial))))



    ;; additional house keeping
    (let* ((linktree (or (getenv "MT_LINKTREE")
			 (if *configdat* (configf:lookup *configdat* "setup" "linktree") #f))))
      (if linktree
	  (if (not (file-exists? linktree))
	      (begin
		(handle-exceptions







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;;     *toppath*
;;   side effects:
;;     sets; *configdat*    (megatest.config info)
;;           *runconfigdat* (runconfigs.config info)
;;           *configstatus* (status of the read data)
;;
(define (launch:setup-new #!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))
	 (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)
    ;; (if (not *toppath*)(set! *toppath* toppath)) ;; this probably is not needed?
    (cond
     ;; data was read and cached and available in *configstatus*, toppath has already been set
     ((eq? *configstatus* 'fulldata)
      *toppath*)
     ;; if mtcachef exists just read it, however we need to assume toppath is available in $MT_RUN_AREA_HOME
     ((and mtcachef (file-exists? mtcachef) (get-environment-variable "MT_RUN_AREA_HOME"))
      (set! *configdat*    (configf:read-alist mtcachef))
      (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* ((toppath    (get-environment-variable "MT_RUN_AREA_HOME")) ;; rely on MT_RUN_AREA_HOME if we are in a test environment
	     (sections   (list "default" target)) ;; for runconfigs
	     (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)
	(if first-pass  ;; 
	    (begin
	      (set! *configdat*  (car first-pass))
	      (set! *configinfo* first-pass)
	      (set! *toppath*    (or toppath (cadr first-pass))) ;; use the gathered data unless already have it
	      (set! toppath      *toppath*)
	      (setenv "MT_RUN_AREA_HOME" *toppath*)
	      ;; the seed read is done, now read runconfigs, cache it then read megatest.config one more time and cache it
	      (let* ((keys         (rmt:get-keys))
		     (key-vals     (keys:target->keyval keys target))

		     (linktree     (or (getenv "MT_LINKTREE")
				       (if *configdat* (configf:lookup *configdat* "setup" "linktree") #f)))
		     (second-pass  (find-and-read-config
				    mtconfig
				    environ-patt: "env-override"
				    given-toppath: toppath
				    pathenvvar: "MT_RUN_AREA_HOME"))

		     (runconfigdat (begin     ;; this read of the runconfigs will see any adjustments made by re-reading megatest.config
				     (for-each (lambda (kt)
						 (setenv (car kt) (cadr kt)))
					       key-vals)
				     (read-config (conc toppath "/runconfigs.config") *runconfigdat* #t 
						  sections: sections))))
		(if cancreate (configf:write-alist runconfigdat rccachef))
		(set! *runconfigdat* runconfigdat)
		(if cancreate (configf:write-alist *configdat* mtcachef))
		(if cancreate (set! *configstatus* 'fulldata))))









	    ;; no configs found? should not happen but let's try to recover gracefully, return an empty hash-table
	    (set! *configdat* (make-hash-table))
	    )))
     ;; else read what you can and set the flag accordingly
     (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)))
		   (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))
	    (begin
	      (debug:print 0 "ERROR: No " mtconfig " file found. Giving up.")
	      (exit 2))))))
    ;; additional house keeping
    (let* ((linktree (or (getenv "MT_LINKTREE")
			 (if *configdat* (configf:lookup *configdat* "setup" "linktree") #f))))
      (if linktree
	  (if (not (file-exists? linktree))
	      (begin
		(handle-exceptions