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authorDenis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>2025-10-13 02:19:26 +0200
committerLudovic Courtès <ludo@gnu.org>2025-11-24 23:22:52 +0100
commit35770c78a2db5cced15f651fdf31ed9aae349899 (patch)
tree0bc7cc1ca30bebbaa1e94d0550b593e056258b12 /gnu/build
parent5e5ac81e9562c9f77910766f3a1c857b3da36472 (diff)
image: Add support for swap.
* gnu/build/image.scm (make-swap-image): New variable. (make-partition-image): Support swap. * gnu/system/image.scm (system-disk-image): Support swap. * doc/guix.texi: (partition Reference): Support swap. Change-Id: I1c201e6aa5dd207d53e5732617910860ee894990 Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org> Signed-off-by: Ludovic Courtès <ludo@gnu.org>
Diffstat (limited to 'gnu/build')
-rw-r--r--gnu/build/image.scm19
1 files changed, 19 insertions, 0 deletions
diff --git a/gnu/build/image.scm b/gnu/build/image.scm
index c7cf72be91d..c99446f7382 100644
--- a/gnu/build/image.scm
+++ b/gnu/build/image.scm
@@ -175,6 +175,23 @@ turn doesn't take any constant overhead into account, force a 1-MiB minimum."
(string-append "::" file))))
(scandir root))))
+(define* (make-swap-image partition target)
+ "Make a swap partition of a certain size."
+ (let ((size (partition-size partition))
+ (label (partition-label partition))
+ (uuid (partition-uuid partition))
+ (fs-options (partition-file-system-options partition)))
+ (apply invoke "fakeroot" "mkswap"
+ "--pagesize" "4096"
+ "--endianness" "little"
+ "-L" label
+ "--file" target
+ "--size" (number->string size)
+ `(,@(if uuid
+ `("-U" ,(uuid->string uuid))
+ '())
+ ,@fs-options))))
+
(define* (make-unformatted-image partition target)
"Make an unformatted partition of a certain size."
(let ((size (partition-size partition)))
@@ -199,6 +216,8 @@ ROOT directory to populate the image."
(make-vfat-image partition target root 16))
((string=? type "fat32")
(make-vfat-image partition target root 32))
+ ((string=? "swap" type)
+ (make-swap-image partition target))
((string=? type "unformatted")
(make-unformatted-image partition target))
(else