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-rw-r--r--gnu/system/vm.scm29
1 files changed, 21 insertions, 8 deletions
diff --git a/gnu/system/vm.scm b/gnu/system/vm.scm
index a15c4c358b..4e7c439894 100644
--- a/gnu/system/vm.scm
+++ b/gnu/system/vm.scm
@@ -29,7 +29,7 @@
#:use-module (gnu packages bash)
#:use-module (gnu packages less)
#:use-module (gnu packages qemu)
- #:use-module (gnu packages parted)
+ #:use-module (gnu packages disk)
#:use-module (gnu packages zile)
#:use-module (gnu packages grub)
#:use-module (gnu packages linux)
@@ -196,15 +196,17 @@ made available under the /xchg CIFS share."
(disk-image-size (* 100 (expt 2 20)))
(disk-image-format "qcow2")
(file-system-type "ext4")
+ file-system-label
grub-configuration
(register-closures? #t)
(inputs '())
copy-inputs?)
"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. The
-returned image is a full disk image, with a GRUB installation that uses
-GRUB-CONFIGURATION as its configuration file (GRUB-CONFIGURATION must be the
-name of a file in the VM.)
+'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, with a GRUB installation
+that uses GRUB-CONFIGURATION as its configuration file (GRUB-CONFIGURATION
+must be the name of a file in the VM.)
INPUTS is a list of inputs (as for packages). When COPY-INPUTS? is true, copy
all of INPUTS into the image being built. When REGISTER-CLOSURES? is true,
@@ -243,7 +245,8 @@ the image."
#:copy-closures? #$copy-inputs?
#:register-closures? #$register-closures?
#:disk-image-size #$disk-image-size
- #:file-system-type #$file-system-type)
+ #:file-system-type #$file-system-type
+ #:file-system-label #$file-system-label)
(reboot))))
#:system system
#:make-disk-image? #t
@@ -258,6 +261,7 @@ the image."
(define* (system-disk-image os
#:key
+ (name "disk-image")
(file-system-type "ext4")
(disk-image-size (* 900 (expt 2 20)))
(volatile? #t))
@@ -265,6 +269,12 @@ 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) "/"))
@@ -280,16 +290,19 @@ 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)
+ (title 'label)
(type file-system-type))
file-systems-to-keep)))))
(mlet* %store-monad ((os-drv (operating-system-derivation os))
(grub.cfg (operating-system-grub.cfg os)))
- (qemu-image #:grub-configuration grub.cfg
+ (qemu-image #:name name
+ #:grub-configuration grub.cfg
#: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)