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authorDanny Milosavljevic <dannym@scratchpost.org>2017-07-03 12:34:07 +0200
committerDanny Milosavljevic <dannym@scratchpost.org>2017-07-03 16:33:46 +0200
commit3f4d8a7f66060e93a247797a9bbd2fcbee6922a3 (patch)
tree9034abb6bcd58e26ccf3cad8cf4e679a675ac7fa
parent85c774808fc13a0adc603784b2358a7c285c4822 (diff)
downloadgnu-guix-3f4d8a7f66060e93a247797a9bbd2fcbee6922a3.tar
gnu-guix-3f4d8a7f66060e93a247797a9bbd2fcbee6922a3.tar.gz
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.
-rw-r--r--doc/guix.texi16
-rw-r--r--guix/scripts/system.scm23
2 files changed, 35 insertions, 4 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index d61a5b7514..811031697c 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -16190,6 +16190,9 @@ in @var{file} that stands alone. By default, @command{guix system}
estimates the size of the image needed to store the system, but you can
use the @option{--image-size} option to specify a value.
+You can specify the root file system type by using the
+@option{--file-system-type} option. It defaults to "ext4".
+
When using @code{vm-image}, the returned image is in qcow2 format, which
the QEMU emulator can efficiently use. @xref{Running GuixSD in a VM},
for more information on how to run the image in a virtual machine.
@@ -16245,6 +16248,19 @@ This works as per @command{guix build} (@pxref{Invoking guix build}).
Return the derivation file name of the given operating system without
building anything.
+@item --file-system-type=@var{type}
+@itemx -t @var{type}
+For the @code{disk-image} action, create a file system of the given
+@var{type} on the image.
+
+When this option is omitted, @command{guix system} uses @code{ext4}.
+
+@cindex ISO-9660 format
+@cindex CD image format
+@cindex DVD image format
+@code{--file-system-type=iso9660} produces an ISO-9660 image, suitable
+for burning on CDs and DVDs.
+
@item --image-size=@var{size}
For the @code{vm-image} and @code{disk-image} actions, create an image
of the given @var{size}. @var{size} may be a number of bytes, or it may
diff --git a/guix/scripts/system.scm b/guix/scripts/system.scm
index 7e20b10dad..65dd92e8b7 100644
--- a/guix/scripts/system.scm
+++ b/guix/scripts/system.scm
@@ -560,7 +560,8 @@ PATTERN, a string. When PATTERN is #f, display all the system generations."
;;;
(define* (system-derivation-for-action os action
- #:key image-size full-boot? mappings)
+ #:key image-size file-system-type
+ full-boot? mappings)
"Return as a monadic value the derivation for OS according to ACTION."
(case action
((build init reconfigure)
@@ -578,7 +579,8 @@ PATTERN, a string. When PATTERN is #f, display all the system generations."
(* 70 (expt 2 20)))
#:mappings mappings))
((disk-image)
- (system-disk-image os #:disk-image-size image-size))))
+ (system-disk-image os #:disk-image-size image-size
+ #:file-system-type file-system-type))))
(define (maybe-suggest-running-guix-pull)
"Suggest running 'guix pull' if this has never been done before."
@@ -610,13 +612,15 @@ and TARGET arguments."
#:key install-bootloader?
dry-run? derivations-only?
use-substitutes? device target
- image-size full-boot?
+ image-size file-system-type full-boot?
(mappings '())
(gc-root #f))
"Perform ACTION for OS. INSTALL-BOOTLOADER? specifies whether to install
bootloader; DEVICE is the target devices for 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. FULL-BOOT? is used for the 'vm' action;
+'vm-image' and 'disk-image' actions.
+The root filesystem is created as a FILE-SYSTEM-TYPE filesystem.
+FULL-BOOT? is used for the 'vm' action;
it determines whether to boot directly to the kernel or to the bootloader.
When DERIVATIONS-ONLY? is true, print the derivation file name(s) without
@@ -632,6 +636,7 @@ output when building a system derivation, such as a disk image."
(mlet* %store-monad
((sys (system-derivation-for-action os action
+ #:file-system-type file-system-type
#:image-size image-size
#:full-boot? full-boot?
#:mappings mappings))
@@ -775,6 +780,10 @@ Some ACTIONS support additional ARGS.\n"))
--on-error=STRATEGY
apply STRATEGY when an error occurs while reading FILE"))
(display (G_ "
+ --file-system-type=TYPE
+ for 'disk-image', produce a root file system of TYPE
+ (one of 'ext4', 'iso9660')"))
+ (display (G_ "
--image-size=SIZE for 'vm-image', produce an image of SIZE"))
(display (G_ "
--no-bootloader for 'init', do not install a bootloader"))
@@ -812,6 +821,10 @@ Some ACTIONS support additional ARGS.\n"))
(lambda (opt name arg result)
(alist-cons 'on-error (string->symbol arg)
result)))
+ (option '(#\t "file-system-type") #t #f
+ (lambda (opt name arg result)
+ (alist-cons 'file-system-type arg
+ result)))
(option '("image-size") #t #f
(lambda (opt name arg result)
(alist-cons 'image-size (size->number arg)
@@ -854,6 +867,7 @@ Some ACTIONS support additional ARGS.\n"))
(build-hook? . #t)
(max-silent-time . 3600)
(verbosity . 0)
+ (file-system-type . "ext4")
(image-size . guess)
(install-bootloader? . #t)))
@@ -906,6 +920,7 @@ resulting from command-line parsing."
#:derivations-only? (assoc-ref opts
'derivations-only?)
#:use-substitutes? (assoc-ref opts 'substitutes?)
+ #:file-system-type (assoc-ref opts 'file-system-type)
#:image-size (assoc-ref opts 'image-size)
#:full-boot? (assoc-ref opts 'full-boot?)
#:mappings (filter-map (match-lambda