diff options
| -rw-r--r-- | doc/guix.texi | 6 | ||||
| -rw-r--r-- | guix/scripts/system.scm | 21 |
2 files changed, 21 insertions, 6 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 104e771562..cca57140d6 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -31029,10 +31029,12 @@ the @option{--image-size} option is ignored in the case of @cindex disk-image, creating disk images The @code{disk-image} command can produce various image types. The -image type can be selected using the @command{--image-type} option. It +image type can be selected using the @option{--image-type} option. It defaults to @code{raw}. When its value is @code{iso9660}, the @option{--label} option can be used to specify a volume ID with -@code{disk-image}. When using @code{disk-image}, the bootloader +@code{disk-image}. By default, the root file system of a disk image is +mounted non-volatile; the @option{--volatile} option can be provided to +make it volatile instead. When using @code{disk-image}, the bootloader installed on the generated image is taken from the provided @code{operating-system} definition. The following example demonstrates how to generate an image that uses the @code{grub-efi-bootloader} diff --git a/guix/scripts/system.scm b/guix/scripts/system.scm index ad998156c2..db80e0be8f 100644 --- a/guix/scripts/system.scm +++ b/guix/scripts/system.scm @@ -674,7 +674,8 @@ checking this by themselves in their 'check' procedure." (define* (system-derivation-for-action os action #:key image-size image-type full-boot? container-shared-network? - mappings label) + mappings label + volatile-root?) "Return as a monadic value the derivation for OS according to ACTION." (mlet %store-monad ((target (current-target-system))) (case action @@ -706,7 +707,8 @@ checking this by themselves in their 'check' procedure." base-image)) (target (or base-target target)) (size image-size) - (operating-system os)))))) + (operating-system os) + (volatile-root? volatile-root?)))))) ((docker-image) (system-docker-image os #:shared-network? container-shared-network?))))) @@ -761,6 +763,7 @@ and TARGET arguments." dry-run? derivations-only? use-substitutes? bootloader-target target image-size image-type + volatile-root? full-boot? label container-shared-network? (mappings '()) (gc-root #f)) @@ -768,7 +771,8 @@ and TARGET arguments." bootloader; BOOTLOADER-TAGET is the target for the bootloader; TARGET is the target root directory; IMAGE-SIZE is the size of the image to be built, for the 'vm-image' and 'disk-image' actions. IMAGE-TYPE is the type of image to -be built. +be built. When VOLATILE-ROOT? is #t, the root file system is mounted +volatile. FULL-BOOT? is used for the 'vm' action; it determines whether to boot directly to the kernel or to the bootloader. CONTAINER-SHARED-NETWORK? @@ -816,6 +820,7 @@ static checks." #:label label #:image-type image-type #:image-size image-size + #:volatile-root? volatile-root? #:full-boot? full-boot? #:container-shared-network? container-shared-network? #:mappings mappings)) @@ -975,6 +980,8 @@ Some ACTIONS support additional ARGS.\n")) (display (G_ " --no-bootloader for 'init', do not install a bootloader")) (display (G_ " + --volatile for 'disk-image', make the root file system volatile")) + (display (G_ " --label=LABEL for 'disk-image', label disk image with LABEL")) (display (G_ " --save-provenance save provenance information")) @@ -1048,6 +1055,9 @@ Some ACTIONS support additional ARGS.\n")) (option '("no-bootloader" "no-grub") #f #f (lambda (opt name arg result) (alist-cons 'install-bootloader? #f result))) + (option '("volatile") #f #f + (lambda (opt name arg result) + (alist-cons 'volatile-root? #t result))) (option '("label") #t #f (lambda (opt name arg result) (alist-cons 'label arg result))) @@ -1109,7 +1119,8 @@ Some ACTIONS support additional ARGS.\n")) (image-type . raw) (image-size . guess) (install-bootloader? . #t) - (label . #f))) + (label . #f) + (volatile-root? . #f))) (define (verbosity-level opts) "Return the verbosity level based on OPTS, the alist of parsed options." @@ -1206,6 +1217,8 @@ resulting from command-line parsing." #:image-type (lookup-image-type-by-name (assoc-ref opts 'image-type)) #:image-size (assoc-ref opts 'image-size) + #:volatile-root? + (assoc-ref opts 'volatile-root?) #:full-boot? (assoc-ref opts 'full-boot?) #:container-shared-network? (assoc-ref opts 'container-shared-network?) |