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'()))
;; clear vars matching pattern, run proc, set vars back
;; if proc is a string run that string as a command with
;; system.
;;
(define *common:orig-env* (if (get-environment-variable "MT_ORIG_ENV")
(with-input-from-string
(z3:decode-buffer (base64:base64-decode (get-environment-variable "MT_ORIG_ENV")))
read)
(filter-map (lambda (x)
(if (string-match "^MT_.*" (car x))
#f
x))
(get-environment-variables))))
(define *common:orig-env*
(let ((envvars (get-environment-variables)))
(if (get-environment-variable "MT_ORIG_ENV")
(with-input-from-string
(z3:decode-buffer (base64:base64-decode (get-environment-variable "MT_ORIG_ENV")))
read)
(filter-map (lambda (x)
(if (string-match "^MT_.*" (car x))
#f
x))
envvars))))
(define (common:with-orig-env proc)
(let ((current-env (get-environment-variables)))
(for-each (lambda (x) (unsetenv (car x))) current-env)
(for-each (lambda (x) (setenv (car x) (cdr x))) *common:orig-env*)
(let ((rv (cond
((string? proc)(system proc))
|