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-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 50518585f8..2332b72b17 100644
--- a/gnu/build/image.scm
+++ b/gnu/build/image.scm
@@ -73,6 +73,23 @@ turn doesn't take any constant overhead into account, force a 1-MiB minimum."
(max (ash 1 20)
(* 1.25 (file-size root))))
+(define* (make-btrfs-image partition target root)
+ "Handle the creation of BTRFS partition images. See
+'make-partition-image'."
+ (let ((size (partition-size partition))
+ (fs-options (partition-file-system-options partition))
+ (label (partition-label partition))
+ (uuid (partition-uuid partition)))
+ (apply invoke
+ `("fakeroot" "mkfs.btrfs" "-r" ,root
+ "-L" ,label
+ ,@(if uuid
+ `("-U" ,(uuid->string uuid))
+ '())
+ "--shrink"
+ ,@fs-options
+ ,target))))
+
(define* (make-ext-image partition target root
#:key
(owner-uid 0)
@@ -141,6 +158,8 @@ ROOT directory to populate the image."
(let* ((partition (sexp->partition partition-sexp))
(type (partition-file-system partition)))
(cond
+ ((string=? "btrfs" type)
+ (make-btrfs-image partition target root))
((string-prefix? "ext" type)
(make-ext-image partition target root))
((or (string=? type "vfat") (string=? type "fat16"))