Commit 6995786d authored by John Wiegley's avatar John Wiegley
Browse files

(eshell-modify-global-environment): Added this customization variable,

which will cause any "export" commands within any eshell buffer to
modify the global Emacs environment.  It defaults to nil, which means
that such commands will only modify that Eshell buffer's environment.
(eshell-var-initialize): Initialize `eshell-modify-global-environment'.
parent 3399c752
......@@ -137,6 +137,11 @@ variable value, a subcommand, or even the result of a Lisp form."
:type 'boolean
:group 'eshell-var)
(defcustom eshell-modify-global-environment nil
"*If non-nil, using `export' changes Emacs's global environment."
:type 'boolean
:group 'eshell-var)
(defcustom eshell-variable-name-regexp "[A-Za-z0-9_-]+"
"*A regexp identifying what constitutes a variable name reference.
Note that this only applies for '$NAME'. If the syntax '$<NAME>' is
......@@ -199,7 +204,9 @@ function), and the arguments passed to this function would be the list
"Initialize the variable handle code."
;; Break the association with our parent's environment. Otherwise,
;; changing a variable will affect all of Emacs.
(set (make-local-variable 'process-environment) (eshell-copy-environment))
(unless eshell-modify-global-environment
(set (make-local-variable 'process-environment)
(define-key eshell-command-map [(meta ?v)] 'eshell-insert-envvar)
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