/usr/lib/os-probes/mounted/30utility is in os-prober 1.51ubuntu3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | #!/bin/sh
# Detects utility (hw vendor recovery) partitions.
. /usr/share/os-prober/common.sh
partition="$1"
mpoint="$2"
type="$3"
# Weed out stuff that doesn't apply to us
case "$type" in
vfat) debug "$1 is a FAT32 partition" ;;
msdos) debug "$1 is a FAT16 partition" ;;
fat) debug "$1 is a FAT partition (mounted by GRUB)" ;;
*) debug "$1 is not a FAT partition: exiting"; exit 1 ;;
esac
# Dell Utility partitions have partition type 0xde, but no idea how to
# cleanly detect that from shell
if item_in_dir -q dellbio.bin "$2" && \
(item_in_dir -q delldiag.exe "$2" || item_in_dir -q delldiag.com "$2"); then
long="Dell Utility Partition"
short=DellUtility
elif item_in_dir -q f11.sys "$2"; then
long="Acronis Secure Zone"
short=AcroneZone
else
exit 1
fi
label="$(count_next_label "$short")"
result "${partition}:${long}:${label}:chain"
exit 0
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