diff options
| -rw-r--r-- | gnu/build/vm.scm | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/gnu/build/vm.scm b/gnu/build/vm.scm index 466e3daf44..ad67a3727f 100644 --- a/gnu/build/vm.scm +++ b/gnu/build/vm.scm @@ -163,6 +163,7 @@ the #:references-graphs parameter of 'derivation'." (size partition-size) (file-system partition-file-system (default "ext4")) (label partition-label (default #f)) + (uuid partition-uuid (default #f)) (flags partition-flags (default '())) (initializer partition-initializer (default (const #t)))) @@ -236,22 +237,26 @@ actual /dev name based on DEVICE." (define MS_BIND 4096) ; <sys/mounts.h> again! (define* (create-ext-file-system partition type - #:key label) + #:key label uuid) "Create an ext-family filesystem of TYPE on PARTITION. If LABEL is true, -use that as the volume name." +use that as the volume name. If UUID is true, use it as the partition UUID." (format #t "creating ~a partition...\n" type) (unless (zero? (apply system* (string-append "mkfs." type) "-F" partition - (if label - `("-L" ,label) - '()))) + `(,@(if label + `("-L" ,label) + '()) + ,@(if uuid + `("-U" ,(uuid->string uuid)) + '())))) (error "failed to create partition"))) (define* (create-fat-file-system partition - #:key label) + #:key label uuid) "Create a FAT filesystem on PARTITION. The number of File Allocation Tables will be determined based on filesystem size. If LABEL is true, use that as the volume name." + ;; FIXME: UUID is ignored! (format #t "creating FAT partition...\n") (unless (zero? (apply system* "mkfs.fat" partition (if label @@ -260,13 +265,13 @@ volume name." (error "failed to create FAT partition"))) (define* (format-partition partition type - #:key label) + #:key label uuid) "Create a file system TYPE on PARTITION. If LABEL is true, use that as the volume name." (cond ((string-prefix? "ext" type) - (create-ext-file-system partition type #:label label)) + (create-ext-file-system partition type #:label label #:uuid uuid)) ((or (string-prefix? "fat" type) (string= "vfat" type)) - (create-fat-file-system partition #:label label)) + (create-fat-file-system partition #:label label #:uuid uuid)) (else (error "Unsupported file system.")))) (define (initialize-partition partition) @@ -275,7 +280,8 @@ it, run its initializer, and unmount it." (let ((target "/fs")) (format-partition (partition-device partition) (partition-file-system partition) - #:label (partition-label partition)) + #:label (partition-label partition) + #:uuid (partition-uuid partition)) (mkdir-p target) (mount (partition-device partition) target (partition-file-system partition)) |