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-rw-r--r--gnu/system.scm18
1 files changed, 12 insertions, 6 deletions
diff --git a/gnu/system.scm b/gnu/system.scm
index a8d2a81316..6f795d6292 100644
--- a/gnu/system.scm
+++ b/gnu/system.scm
@@ -234,6 +234,15 @@ directly by the user."
(define (read-boot-parameters port)
"Read boot parameters from PORT and return the corresponding
<boot-parameters> object or #f if the format is unrecognized."
+ (define device-sexp->device
+ (match-lambda
+ (('uuid (? symbol? type) (? bytevector? bv))
+ (bytevector->uuid bv type))
+ ((? bytevector? bv) ;old format
+ (bytevector->uuid bv 'dce))
+ ((? string? device)
+ device)))
+
(match (read port)
(('boot-parameters ('version 0)
('label label) ('root-device root)
@@ -241,7 +250,7 @@ directly by the user."
rest ...)
(boot-parameters
(label label)
- (root-device root)
+ (root-device (device->sexp root))
(bootloader-name
(match (assq 'bootloader-name rest)
@@ -269,10 +278,8 @@ directly by the user."
(store-device
(match (assq 'store rest)
- (('store ('device (? bytevector? bv)) _ ...)
- (bytevector->uuid bv))
(('store ('device device) _ ...)
- device)
+ (device-sexp->device device))
(_ ;the old format
;; Root might be a device path like "/dev/sda1", which is not a
;; suitable GRUB device identifier.
@@ -925,8 +932,7 @@ kernel arguments for that derivation to <boot-parameters>."
"Serialize DEVICE as an sexp (really, as an object with a read syntax.)"
(match device
((? uuid? uuid)
- ;; TODO: Preserve the type of UUID.
- (uuid-bytevector uuid))
+ `(uuid ,(uuid-type uuid) ,(uuid-bytevector uuid)))
(_
device)))