diff options
Diffstat (limited to 'guix/derivations.scm')
| -rw-r--r-- | guix/derivations.scm | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/guix/derivations.scm b/guix/derivations.scm index 354ec20e3f..0bb6a28147 100644 --- a/guix/derivations.scm +++ b/guix/derivations.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2012-2021 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2012-2021, 2023 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2016, 2017 Mathieu Lirzin <mthl@gnu.org> ;;; ;;; This file is part of GNU Guix. @@ -484,17 +484,21 @@ things as appropriate and is thus more efficient." (fold-right (lambda (output result) (match output ((name path "" "") + ;; Regular derivation. (alist-cons name (make-derivation-output path #f #f #f) result)) ((name path hash-algo hash) - ;; fixed-output + ;; Fixed-output, unless HASH is the empty string (in that + ;; case, HASH-ALGO must be preserved despite being + ;; unused). (let* ((rec? (string-prefix? "r:" hash-algo)) (algo (string->symbol (if rec? (string-drop hash-algo 2) hash-algo))) - (hash (base16-string->bytevector hash))) + (hash (and (not (string-null? hash)) + (base16-string->bytevector hash)))) (alist-cons name (make-derivation-output path algo hash rec?) |