diff options
Diffstat (limited to 'gnu/system')
-rw-r--r-- | gnu/system/file-systems.scm | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gnu/system/file-systems.scm b/gnu/system/file-systems.scm index ece8fb41e6..0f3e6fbcaa 100644 --- a/gnu/system/file-systems.scm +++ b/gnu/system/file-systems.scm @@ -153,8 +153,10 @@ UUID representation." ((_ str) (string? (syntax->datum #'str)) ;; A literal string: do the conversion at expansion time. - (with-syntax ((bv (string->uuid (syntax->datum #'str)))) - #''bv)) + (let ((bv (string->uuid (syntax->datum #'str)))) + (unless bv + (syntax-violation 'uuid "invalid UUID" s)) + (datum->syntax #'str bv))) ((_ str) #'(string->uuid str))))) |