guix system: Add "--file-system-type" option.
* guix/scripts/system.scm (process-action): Pass file-system-type to ... (perform-action): ... here. Add new keyword argument. Pass new value to ... (system-derivation-for-action): ... here. Add new keyword argument. Pass new value to system-disk-image. * doc/guix.texi (disk-image): Document new option.
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Danny Milosavljevic
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3f4d8a7f66
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@ -16190,6 +16190,9 @@ in @var{file} that stands alone. By default, @command{guix system}
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estimates the size of the image needed to store the system, but you can
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use the @option{--image-size} option to specify a value.
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You can specify the root file system type by using the
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@option{--file-system-type} option. It defaults to "ext4".
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When using @code{vm-image}, the returned image is in qcow2 format, which
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the QEMU emulator can efficiently use. @xref{Running GuixSD in a VM},
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for more information on how to run the image in a virtual machine.
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@ -16245,6 +16248,19 @@ This works as per @command{guix build} (@pxref{Invoking guix build}).
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Return the derivation file name of the given operating system without
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building anything.
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@item --file-system-type=@var{type}
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@itemx -t @var{type}
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For the @code{disk-image} action, create a file system of the given
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@var{type} on the image.
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When this option is omitted, @command{guix system} uses @code{ext4}.
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@cindex ISO-9660 format
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@cindex CD image format
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@cindex DVD image format
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@code{--file-system-type=iso9660} produces an ISO-9660 image, suitable
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for burning on CDs and DVDs.
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@item --image-size=@var{size}
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For the @code{vm-image} and @code{disk-image} actions, create an image
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of the given @var{size}. @var{size} may be a number of bytes, or it may
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@ -560,7 +560,8 @@ PATTERN, a string. When PATTERN is #f, display all the system generations."
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;;;
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(define* (system-derivation-for-action os action
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#:key image-size full-boot? mappings)
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#:key image-size file-system-type
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full-boot? mappings)
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"Return as a monadic value the derivation for OS according to ACTION."
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(case action
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((build init reconfigure)
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@ -578,7 +579,8 @@ PATTERN, a string. When PATTERN is #f, display all the system generations."
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(* 70 (expt 2 20)))
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#:mappings mappings))
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((disk-image)
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(system-disk-image os #:disk-image-size image-size))))
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(system-disk-image os #:disk-image-size image-size
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#:file-system-type file-system-type))))
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(define (maybe-suggest-running-guix-pull)
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"Suggest running 'guix pull' if this has never been done before."
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@ -610,13 +612,15 @@ and TARGET arguments."
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#:key install-bootloader?
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dry-run? derivations-only?
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use-substitutes? device target
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image-size full-boot?
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image-size file-system-type full-boot?
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(mappings '())
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(gc-root #f))
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"Perform ACTION for OS. INSTALL-BOOTLOADER? specifies whether to install
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bootloader; DEVICE is the target devices for bootloader; TARGET is the target
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root directory; IMAGE-SIZE is the size of the image to be built, for the
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'vm-image' and 'disk-image' actions. FULL-BOOT? is used for the 'vm' action;
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'vm-image' and 'disk-image' actions.
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The root filesystem is created as a FILE-SYSTEM-TYPE filesystem.
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FULL-BOOT? is used for the 'vm' action;
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it determines whether to boot directly to the kernel or to the bootloader.
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When DERIVATIONS-ONLY? is true, print the derivation file name(s) without
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@ -632,6 +636,7 @@ output when building a system derivation, such as a disk image."
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(mlet* %store-monad
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((sys (system-derivation-for-action os action
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#:file-system-type file-system-type
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#:image-size image-size
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#:full-boot? full-boot?
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#:mappings mappings))
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@ -774,6 +779,10 @@ Some ACTIONS support additional ARGS.\n"))
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(display (G_ "
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--on-error=STRATEGY
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apply STRATEGY when an error occurs while reading FILE"))
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(display (G_ "
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--file-system-type=TYPE
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for 'disk-image', produce a root file system of TYPE
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(one of 'ext4', 'iso9660')"))
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(display (G_ "
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--image-size=SIZE for 'vm-image', produce an image of SIZE"))
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(display (G_ "
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@ -812,6 +821,10 @@ Some ACTIONS support additional ARGS.\n"))
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(lambda (opt name arg result)
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(alist-cons 'on-error (string->symbol arg)
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result)))
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(option '(#\t "file-system-type") #t #f
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(lambda (opt name arg result)
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(alist-cons 'file-system-type arg
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result)))
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(option '("image-size") #t #f
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(lambda (opt name arg result)
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(alist-cons 'image-size (size->number arg)
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@ -854,6 +867,7 @@ Some ACTIONS support additional ARGS.\n"))
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(build-hook? . #t)
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(max-silent-time . 3600)
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(verbosity . 0)
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(file-system-type . "ext4")
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(image-size . guess)
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(install-bootloader? . #t)))
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@ -906,6 +920,7 @@ resulting from command-line parsing."
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#:derivations-only? (assoc-ref opts
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'derivations-only?)
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#:use-substitutes? (assoc-ref opts 'substitutes?)
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#:file-system-type (assoc-ref opts 'file-system-type)
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#:image-size (assoc-ref opts 'image-size)
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#:full-boot? (assoc-ref opts 'full-boot?)
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#:mappings (filter-map (match-lambda
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