Commit ec5145d6 authored by Michael Albinus's avatar Michael Albinus
Browse files

* net/tramp.el (tramp-replace-environment-variables): Do not fail

if the environment variable does not exist.
parent b53f6df2
......@@ -3922,9 +3922,11 @@ the result will be a local, non-Tramp, filename."
"Replace environment variables in FILENAME.
Return the string with the replaced variables."
(let ((idx (string-match "$\\w+" filename)))
(let ((idx (string-match "$\\(\\w+\\)" filename)))
;; `$' is coded as `$$'.
(when (and idx (or (zerop idx) (not (eq ?$ (aref filename (1- idx))))))
(when (and idx
(or (zerop idx) (not (eq ?$ (aref filename (1- idx)))))
(getenv (match-string 1 filename)))
(setq filename
(substitute-in-file-name (match-string 0 filename))
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