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;; (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)
(if (and (string? val)
(string? key))
(not (substring-index ":" key))) ;; variables containing : are for internal use and cannot be environment variables.
(handle-exceptions
exn
(debug:print-error 0 *default-log-port* "bad value for setenv, key=" key ", value=" val)
(setenv key val))
(debug:print-error 0 *default-log-port* "bad value for setenv, key=" key ", value=" val)))
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(lambda ()
(for-each (lambda (keyval)
(let* ((key (car keyval))
(val (cdr keyval))
(delim (if (string-search whitesp val)
"\""
"")))
(print (if (member key ignorevars)
(print (if (or (member key ignorevars)
(string-search ":" key)) ;; internal only values to be skipped.
"# export "
"export ")
key "=" delim (mungeval val) delim)))
envvars)))))
;; set some env vars from an alist, return an alist with original values
;; (("VAR" "value") ...)
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