This file is indexed.

/lib/partman/automatically_partition/15reuse/choices is in ubiquity 2.18.7.

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
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
#!/bin/sh

. /lib/partman/lib/base.sh

set -e

cleanup_ro_partitions=
mountpoint="$(mktemp -d)"
cleanup () {
	if [ -e $mountpoint ]; then
		umount -l $mountpoint 2>/dev/null || true
		rmdir $mountpoint || true
	fi
	for p in $cleanup_ro_partitions; do
		blockdev --setrw $p || true
	done
}
trap cleanup EXIT HUP INT QUIT TERM

reuse=
disks=
if db_get partman-auto/disk; then
	disks="$RET"
fi
for dev in $DEVICES/*; do
	[ -d $dev ] || continue
	if [ "$disks" ]; then
		partman_disk="$(cat "$dev/device")"
		found=0
		for preseed_disk in $disks; do
			preseed_id=$(mapdevfs $preseed_disk)
			case " $preseed_id " in
			    *" $partman_disk "*)
				found=1
				;;
			    *)
				continue
				;;
			esac
		done
		if [ "$found" = "0" ]; then
			continue
		fi
	fi
	cd $dev
	open_dialog PARTITIONS
	while { read_line num id size type fs path name; [ "$id" ]; }; do
		[ ! "$(echo "$fs" | egrep -s 'free|fat|ntfs|hfs|swap')" ] || continue
		[ -e "$path" ] || continue
		part=$dev//$id
		if [ -n "$fs" ]; then
		    mounted=
		    if type grub-mount >/dev/null 2>&1 && \
			grub-mount "$path" "$mountpoint" 2>/dev/null 3>&- 6>&- 7<&-; then
			mounted=1
		    else
			blockdev --setro "$path" || continue
			cleanup_ro_partitions="$cleanup_ro_partitions $path"
			if mount -o ro "$path" "$mountpoint" 3>&- 6>&- 7<&-; then
			    mounted=1
			fi
		    fi
		    if [ "$mounted" ]; then
			release="$(grep -s DISTRIB_ID $mountpoint/etc/lsb-release)" || true
			umount -l "$mountpoint" || true
			if [ "${release##DISTRIB_ID=}" = "Ubuntu" ]; then
				db_subst partman-auto/text/reuse PARTITION "$(humandev "$path")"
				db_metaget partman-auto/text/reuse description
				reuse="$reuse$NL$part$TAB$RET"
			fi
		    fi
		fi
	done
	for p in $cleanup_ro_partitions; do
		blockdev --setrw $p || true
	done
	close_dialog
done

if [ "$reuse" ]; then
	printf %s "$reuse"
fi