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-rw-r--r--gnu/system/vm.scm9
1 files changed, 8 insertions, 1 deletions
diff --git a/gnu/system/vm.scm b/gnu/system/vm.scm
index ddc13468cc..184f2512f1 100644
--- a/gnu/system/vm.scm
+++ b/gnu/system/vm.scm
@@ -268,6 +268,12 @@ the image."
system described by OS. Said image can be copied on a USB stick as is. When
VOLATILE? is true, the root file system is made volatile; this is useful
to USB sticks meant to be read-only."
+ (define root-label
+ ;; Volume name of the root file system. Since we don't know which device
+ ;; will hold it, we use the volume name to find it (using the UUID would
+ ;; be even better, but somewhat less convenient.)
+ "gnu-disk-image")
+
(define file-systems-to-keep
(remove (lambda (fs)
(string=? (file-system-mount-point fs) "/"))
@@ -283,7 +289,7 @@ to USB sticks meant to be read-only."
;; Force our own root file system.
(file-systems (cons (file-system
(mount-point "/")
- (device "/dev/sda1")
+ (device root-label)
(type file-system-type))
file-systems-to-keep)))))
@@ -293,6 +299,7 @@ to USB sticks meant to be read-only."
#:disk-image-size disk-image-size
#:disk-image-format "raw"
#:file-system-type file-system-type
+ #:file-system-label root-label
#:copy-inputs? #t
#:register-closures? #t
#:inputs `(("system" ,os-drv)