gnu: image: Add support for unformatted partitions.

* gnu/build/image.scm (make-unformatted-image): New procedure.
(make-partition-image): Add support for unformatted partition.
* gnu/system/image.scm (system-disk-image)[partition->gpt-type]: Add
case for using unformatted partition uuid.

1 files changed, 4 insertions, 0 deletions

diff --git a/gnu/system/image.scm b/gnu/system/image.scm
index afef79185fd..958ba5cbb24 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