diff options
-rw-r--r-- | gnu/build/marionette.scm | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gnu/build/marionette.scm b/gnu/build/marionette.scm index fd59a4c72f..5ebf783892 100644 --- a/gnu/build/marionette.scm +++ b/gnu/build/marionette.scm @@ -198,7 +198,14 @@ FILE has not shown up after TIMEOUT seconds, raise an error." (match (marionette-eval `(let loop ((i ,timeout)) (cond ((file-exists? ,file) - (cons 'success (call-with-input-file ,file ,read))) + (cons 'success + (let ((content + (call-with-input-file ,file ,read))) + (if (eof-object? content) + ;; #<eof> can't be read, so convert to the + ;; empty string + "" + content)))) ((> i 0) (sleep 1) (loop (- i 1))) |