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configf:set-section-var
configf:var-is?
configf:write-alist
configf:write-config
find-config
getenv
mytarget
nice-path
process:cmd-run->list
runconfig:read
runconfigs-get
safe-setenv
setenv
configf:eval-string-in-environment
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configf:set-section-var
configf:var-is?
configf:write-alist
configf:write-config
find-config
getenv
mytarget
my-with-lock
nice-path
process:cmd-run->list
runconfig:read
runconfigs-get
safe-setenv
setenv
configf:eval-string-in-environment
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;;======================================================================
;; parameters
;;======================================================================
;; while targets are Megatest specific they are a useful concept
(define mytarget (make-parameter #f))
;; locking is optional, many environments don't care (e.g. running on one machine)
;; NOTE: the locker must follow the same syntax as with-dot-lock*
;;
(define my-with-lock (make-parameter with-dot-lock*))
;;======================================================================
;; move debug stuff to separate module then put these back where they belong
;;======================================================================
;;======================================================================
;; lookup routines - replicated from configf
;;======================================================================
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;;======================================================================
;; parameters
;;======================================================================
;; while targets are Megatest specific they are a useful concept
(define mytarget (make-parameter #f))
;; fake locker
(define (fake-locker fname proc)(proc))
;; locking is optional, many environments don't care (e.g. running on one machine)
;; NOTE: the locker must follow the same syntax as with-dot-lock*
;; with-dot-lock* has problems if /tmp and the file being
;; locked are not on the same filesystem
;;
(define my-with-lock (make-parameter fake-locker)) ;; with-dot-lock*))
;;======================================================================
;; move debug stuff to separate module then put these back where they belong
;;======================================================================
;;======================================================================
;; lookup routines - replicated from configf
;;======================================================================
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(configf:alist->config
(with-input-from-file fname read))))
;;======================================================================
;; DO THE LOCKING AROUND THE CALL
;;======================================================================
;;
(define (configf:write-alist cdat fname)
;; (if (not (common:faux-lock fname))
;; (debug:print 0 *default-log-port* "INFO: NEED LOCKING ADDED HERE " fname)
((my-with-lock)
fname
(lambda ()
(let* ((dat (configf:config->alist cdat))
(res
(begin
(with-output-to-file fname ;; first write out the file
(lambda ()
(pp dat)))
;; I don't like this. It makes write-alist opaque and complicated. -mrw-
(if (file-exists? fname) ;; now verify it is readable
(if (configf:read-alist fname)
#t ;; data is good.
(begin
(handle-exceptions
exn
(begin
(debug:print 0 *default-log-port* "deleting " fname " failed, exn=" exn)
#f)
(debug:print 0 *default-log-port* "WARNING: content " dat " for cache " fname " is not readable. Deleting generated file.")
(delete-file fname))
#f))
#f))))
res))))
(define (common:get-fields cfgdat)
(let ((fields (hash-table-ref/default cfgdat "fields" '())))
(map car fields)))
)
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(configf:alist->config
(with-input-from-file fname read))))
;;======================================================================
;; DO THE LOCKING AROUND THE CALL
;;======================================================================
;;
(define (configf:write-alist cdat fname #!optional (check-written #f))
;; (if (not (common:faux-lock fname))
;; (debug:print 0 *default-log-port* "INFO: NEED LOCKING ADDED HERE " fname)
((my-with-lock)
fname
(lambda ()
(let* ((dat (configf:config->alist cdat))
(res
(begin
(with-output-to-file fname ;; first write out the file
(lambda ()
(pp dat)))
;; I don't like this. It makes write-alist complicated
;; move to something like write-and-verify-alist. -mrw-
(if check-written
(if (file-exists? fname) ;; now verify it is readable
(if (configf:read-alist fname)
'data-good ;; data is good.
(handle-exceptions
exn
(begin
(debug:print 0 *default-log-port* "deleting " fname " failed, exn=" exn)
'data-bad)
(debug:print 0 *default-log-port* "WARNING: content " dat " for cache " fname " is not readable. Deleting generated file.")
(delete-file fname)))
'data-not-there)
'data-not-checked))))
res))))
(define (common:get-fields cfgdat)
(let ((fields (hash-table-ref/default cfgdat "fields" '())))
(map car fields)))
)
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