diff options
Diffstat (limited to 'gnu/build/image.scm')
| -rw-r--r-- | gnu/build/image.scm | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gnu/build/image.scm b/gnu/build/image.scm index 65a0373980..49dc01c0d1 100644 --- a/gnu/build/image.scm +++ b/gnu/build/image.scm @@ -7,6 +7,7 @@ ;;; Copyright © 2020 Mathieu Othacehe <m.othacehe@gmail.com> ;;; Copyright © 2022 Pavel Shlyak <p.shlyak@pantherx.org> ;;; Copyright © 2022 Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org> +;;; Copyright © 2023 Efraim Flashner <efraim@flashner.co.il> ;;; ;;; This file is part of GNU Guix. ;;; @@ -122,6 +123,14 @@ turn doesn't take any constant overhead into account, force a 1-MiB minimum." (string-append "::" file)))) (scandir root)))) +(define* (make-unformatted-image partition target) + "Make an unformatted partition of a certain size." + (let ((size (partition-size partition))) + ;; Create the file and then truncate it to the desired size. + (with-output-to-file target + (lambda _ (display ""))) + (truncate-file target size))) + (define* (make-partition-image partition-sexp target root) "Create and return the image of PARTITION-SEXP as TARGET. Use the given ROOT directory to populate the image." @@ -134,6 +143,8 @@ ROOT directory to populate the image." (make-vfat-image partition target root 16)) ((string=? type "fat32") (make-vfat-image partition target root 32)) + ((string=? type "unformatted") + (make-unformatted-image partition target)) (else (raise (condition (&message |