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(define (common:false-on-exception thunk #!key (message #f))
(handle-exceptions exn
(begin
(if message
(debug:print-info 0 *default-log-port* message))
#f) (thunk) ))
(define (common:file-exists? path-string)
(define (common:file-exists? path-string #!key (quiet-mode #f))
;; this avoids stack dumps in the case where
;;;; TODO: catch permission denied exceptions and emit appropriate warnings, eg: system error while trying to access file: "/nfs/pdx/disks/icf_env_disk001/bjbarcla/gwa/issues/mtdev/randy-slow/reproduce/q...
(common:false-on-exception (lambda () (file-exists? path-string))
message: (conc "Unable to access path: " path-string)
(common:false-on-exception
(lambda () (file-exists? path-string))
message: (if quiet-mode
#f
(conc "Unable to access path: " path-string))))
))
(define (common:directory-exists? path-string)
(define (common:directory-exists? path-string #!key (quiet-mode #f))
;;;; TODO: catch permission denied exceptions and emit appropriate warnings, eg: system error while trying to access file: "/nfs/pdx/disks/icf_env_disk001/bjbarcla/gwa/issues/mtdev/randy-slow/reproduce/q...
(common:false-on-exception (lambda () (directory-exists? path-string))
message: (conc "Unable to access path: " path-string)
(common:false-on-exception
(lambda () (directory-exists? path-string))
message: (if quiet-mode
#f
(conc "Unable to access path: " path-string))))
))
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#f))))))
(at-home (or (equal? homehost currhost)
(equal? homehost bestadrs))))
(set! *home-host* (cons homehost at-home))
(mutex-unlock! *homehost-mutex*)
*home-host*))))
;; get homehost info for a given area - but only if .homehost file already exists
(define (common:minimal-get-homehost toppath)
(let ((hh-file (conc toppath "/.homehost")))
(if (common:file-exists? hh-file quiet-mode: #t)
(with-input-from-file hh-file read-line)
#f)))
;; are we on the given host?
(define (common:on-host? hh)
(let* ((currhost (get-host-name))
(bestadrs (server:get-best-guess-address currhost)))
(or (equal? hh currhost)
(equal? hh bestadrs))))
;; am I on the homehost?
;;
(define (common:on-homehost?)
(let ((hh (common:get-homehost)))
(if hh
(cdr hh)
#f)))
;; minimal loading of megatest.config
;;
(define (common:simple-setup toppath #!key (cfgf-ovrd #f))
(let* ((mtconfigf (or cfgf-ovrd "megatest.config"))
(mtconfdat (find-and-read-config
mtconfigf
;; environ-patt: "env-override"
given-toppath: toppath
;; pathenvvar: "MT_RUN_AREA_HOME"
))
(mtconf (if mtconfdat (car mtconfdat) #f)))
(if mtconf
(configf:section-var-set! mtconf "dyndat" "toppath" start-dir))
mtconfdat))
;; do we honor the caches of the config files?
;;
(define (common:use-cache?)
(let ((res #t)) ;; priority by order of evaluation
(if *configdat* ;; sillyness here. can't use setup/use-cache to know if we can use the cached files!
(if (equal? (configf:lookup *configdat* "setup" "use-cache") "no")
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