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-rw-r--r--gnu/build/file-systems.scm5
1 files changed, 3 insertions, 2 deletions
diff --git a/gnu/build/file-systems.scm b/gnu/build/file-systems.scm
index 6111cd747c..23ff25d71f 100644
--- a/gnu/build/file-systems.scm
+++ b/gnu/build/file-systems.scm
@@ -3,7 +3,7 @@
;;; Copyright © 2016, 2017 David Craven <david@craven.ch>
;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
;;; Copyright © 2019 Guillaume Le Vaillant <glv@posteo.net>
-;;; Copyright © 2019, 2020 Tobias Geerinckx-Rice <me@tobias.gr>
+;;; Copyright © 2019–2021 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2019 David C. Trudgian <dave@trudgian.net>
;;; Copyright © 2020 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;;
@@ -264,11 +264,12 @@ bytevector."
"Return the health of a bcachefs file system on DEVICE."
(let ((ignored-bits (logior 2)) ; DEVICE was mounted read-only
(status
+ ;; A number, or #f on abnormal termination (e.g., assertion failure).
(status:exit-val
(apply system* "bcachefs" "fsck" "-p" "-v"
;; Make each multi-device member a separate argument.
(string-split device #\:)))))
- (match (logand (lognot ignored-bits) status)
+ (match (and=> status (cut logand <> (lognot ignored-bits)))
(0 'pass)
(1 'errors-corrected)
(_ 'fatal-error))))