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-rw-r--r--gnu/system/vm.scm8
1 files changed, 7 insertions, 1 deletions
diff --git a/gnu/system/vm.scm b/gnu/system/vm.scm
index 92f0444ed8..9e900182ae 100644
--- a/gnu/system/vm.scm
+++ b/gnu/system/vm.scm
@@ -248,6 +248,7 @@ INPUTS is a list of inputs (as for packages)."
(disk-image-format "qcow2")
(file-system-type "ext4")
file-system-label
+ file-system-uuid
os-drv
bootcfg-drv
bootloader
@@ -257,7 +258,10 @@ INPUTS is a list of inputs (as for packages)."
"Return a bootable, stand-alone QEMU image of type DISK-IMAGE-FORMAT (e.g.,
'qcow2' or 'raw'), with a root partition of type FILE-SYSTEM-TYPE.
Optionally, FILE-SYSTEM-LABEL can be specified as the volume name for the root
-partition. The returned image is a full disk image that runs OS-DERIVATION,
+partition; likewise FILE-SYSTEM-UUID, if true, specifies the UUID of the root
+partition (a UUID object).
+
+The returned image is a full disk image that runs OS-DERIVATION,
with a GRUB installation that uses GRUB-CONFIGURATION as its configuration
file (GRUB-CONFIGURATION must be the name of a file in the VM.)
@@ -307,6 +311,8 @@ the image."
(partitions (list (partition
(size root-size)
(label #$file-system-label)
+ (uuid #$(and=> file-system-uuid
+ uuid-bytevector))
(file-system #$file-system-type)
(flags '(boot))
(initializer initialize))