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;; (define old-exit exit)
;;
;; (define (exit . code)
;; (if (null? code)
;; (old-exit)
;; (old-exit code)))
(define getenv get-environment-variable)
(define (safe-setenv key val)
(if (substring-index ":" key) ;; variables containing : are for internal use and cannot be environment variables.
(debug:print-error 4 *default-log-port* "skip setting internal use only variables containing \":\"")
(if (and (string? val)
(string? key))
(handle-exceptions
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;; (define old-exit exit)
;;
;; (define (exit . code)
;; (if (null? code)
;; (old-exit)
;; (old-exit code)))
;; execute thunk, return value. If exception thrown, trap exception, return #f, and emit nonfatal condition note to *default-log-port* .
;; arguments - thunk, message
(define (common:fail-safe thunk warning-message-on-exception)
(handle-exceptions
exn
(begin
(debug:print-info 0 *default-log-port* "notable but nonfatal condition - "warning-message-on-exception)
(debug:print-info 0 *default-log-port*
(string-substitute "\n?Error:" "nonfatal condition:"
(with-output-to-string
(lambda ()
(print-error-message exn) ))))
(debug:print-info 0 *default-log-port* " -- continuing after nonfatal condition...")
#f)
(thunk)))
(define getenv get-environment-variable)
(define (safe-setenv key val)
(if (substring-index ":" key) ;; variables containing : are for internal use and cannot be environment variables.
(debug:print-error 4 *default-log-port* "skip setting internal use only variables containing \":\"")
(if (and (string? val)
(string? key))
(handle-exceptions
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