/bin/block-attr is in ubiquity 2.10.16.
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
usage () {
echo "Usage: $0 --type|--label|--uuid <device>"
}
case $1 in
--type)
vol_id_opt=--type
blkid_tag=TYPE
;;
--label)
vol_id_opt=--label
blkid_tag=LABEL
;;
--uuid)
vol_id_opt=--uuid
blkid_tag=UUID
;;
*)
usage >&2
exit 1
;;
esac
shift
if (export PATH="/lib/udev:$PATH"; type vol_id) >/dev/null 2>&1; then
PATH="/lib/udev:$PATH" vol_id "$vol_id_opt" "$1"
elif type blkid >/dev/null 2>&1; then
blkid -o value -s "$blkid_tag" "$1"
else
exit 1
fi
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