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-rw-r--r--gnu/system/vm.scm19
1 files changed, 14 insertions, 5 deletions
diff --git a/gnu/system/vm.scm b/gnu/system/vm.scm
index 22e3fcc522..92b03b01ad 100644
--- a/gnu/system/vm.scm
+++ b/gnu/system/vm.scm
@@ -617,7 +617,7 @@ to USB sticks meant to be read-only."
;; Volume name of the root file system.
(normalize-label "Guix_image"))
- (define root-uuid
+ (define (root-uuid os)
;; UUID of the root file system, computed in a deterministic fashion.
;; This is what we use to locate the root file system so it has to be
;; different from the user's own file system UUIDs.
@@ -647,17 +647,26 @@ to USB sticks meant to be read-only."
(bootloader grub-mkrescue-bootloader))
(operating-system-bootloader os)))
- ;; Force our own root file system.
+ ;; Force our own root file system. (We need a "/" file system
+ ;; to call 'root-uuid'.)
(file-systems (cons (file-system
(mount-point "/")
- (device root-uuid)
+ (device "/dev/placeholder")
+ (type file-system-type))
+ file-systems-to-keep))))
+ (uuid (root-uuid os))
+ (os (operating-system
+ (inherit os)
+ (file-systems (cons (file-system
+ (mount-point "/")
+ (device uuid)
(type file-system-type))
file-systems-to-keep))))
(bootcfg (operating-system-bootcfg os)))
(if (string=? "iso9660" file-system-type)
(iso9660-image #:name name
#:file-system-label root-label
- #:file-system-uuid root-uuid
+ #:file-system-uuid uuid
#:os os
#:register-closures? #t
#:bootcfg-drv bootcfg
@@ -674,7 +683,7 @@ to USB sticks meant to be read-only."
#:disk-image-format "raw"
#:file-system-type file-system-type
#:file-system-label root-label
- #:file-system-uuid root-uuid
+ #:file-system-uuid uuid
#:copy-inputs? #t
#:register-closures? #t
#:inputs `(("system" ,os)