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-rw-r--r--gnu/home/services/shells.scm34
1 files changed, 24 insertions, 10 deletions
diff --git a/gnu/home/services/shells.scm b/gnu/home/services/shells.scm
index 27190934f0..28d717f03d 100644
--- a/gnu/home/services/shells.scm
+++ b/gnu/home/services/shells.scm
@@ -111,16 +111,30 @@ service type can be extended with a list of file-like objects.")))
(define (serialize-boolean field-name val) "")
(define (serialize-posix-env-vars field-name val)
- #~(string-append
- #$@(map
- (match-lambda
- ((key . #f)
- "")
- ((key . #t)
- #~(string-append "export " #$key "\n"))
- ((key . value)
- #~(string-append "export " #$key "=" #$value "\n")))
- val)))
+ #~(let ((shell-quote
+ (lambda (value)
+ ;; Double-quote VALUE, leaving dollar sign as is.
+ (let ((quoted (list->string
+ (string-fold-right
+ (lambda (chr lst)
+ (case chr
+ ((#\" #\\)
+ (append (list chr #\\) lst))
+ (else (cons chr lst))))
+ '()
+ value))))
+ (string-append "\"" quoted "\"")))))
+ (string-append
+ #$@(map
+ (match-lambda
+ ((key . #f)
+ "")
+ ((key . #t)
+ #~(string-append "export " #$key "\n"))
+ ((key . value)
+ #~(string-append "export " #$key "="
+ (shell-quote #$value) "\n")))
+ val))))
;;;