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-rw-r--r--gnu/build/image.scm11
-rw-r--r--gnu/system/image.scm4
2 files changed, 15 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
diff --git a/gnu/system/image.scm b/gnu/system/image.scm
index afef79185f..958ba5cbb2 100644
--- a/gnu/system/image.scm
+++ b/gnu/system/image.scm
@@ -4,6 +4,7 @@
;;; Copyright © 2022 Pavel Shlyak <p.shlyak@pantherx.org>
;;; Copyright © 2022 Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>
;;; Copyright © 2022 Alex Griffin <a@ajgrf.com>
+;;; Copyright © 2023 Efraim Flashner <efraim@flashner.co.il>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -390,6 +391,9 @@ used in the image."
((or (string=? file-system "vfat")
(string=? file-system "fat16")
(string=? file-system "fat32")) "F")
+ ((and (string=? file-system "unformatted")
+ (partition-uuid partition))
+ (uuid->string (partition-uuid partition)))
(else
(raise (condition
(&message