From f6b65101dcb9a679eaf74fd235b53de2f4586ac5 Mon Sep 17 00:00:00 2001 From: Quentin Vincent Date: Sun, 15 Jun 2025 07:35:04 +0200 Subject: [PATCH] file-systems: Support UUIDs for FAT12. * gnu/build/file-systems.scm (fat16-superblock?): Support FAT12. Change-Id: Ia14899134e02bda54b0796efb0bc1c6f89e95c0d Signed-off-by: Danny Milosavljevic --- gnu/build/file-systems.scm | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/gnu/build/file-systems.scm b/gnu/build/file-systems.scm index 6fd9f950939..c506a4911ff 100644 --- a/gnu/build/file-systems.scm +++ b/gnu/build/file-systems.scm @@ -608,13 +608,16 @@ using the least destructive approach." ;;; -;;; FAT16 file systems. +;;; FAT16/FAT12 file systems. ;;; (define (fat16-superblock? sblock) - "Return #t when SBLOCK is a fat16 boot record." - (bytevector=? (sub-bytevector sblock 54 8) - (string->utf8 "FAT16 "))) + "Return #t when SBLOCK is a fat16 or fat12 boot record." + (let ((boot-record (sub-bytevector sblock 54 8))) + (or (bytevector=? boot-record + (string->utf8 "FAT16 ")) + (bytevector=? boot-record + (string->utf8 "FAT12 "))))) (define (read-fat16-superblock device) "Return the raw contents of DEVICE's fat16 superblock as a bytevector, or