This file is indexed.

/lib/partman/commit.d/50format_btrfs 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
83
#!/bin/sh

. /lib/partman/lib/base.sh

enable_swap

for dev in $DEVICES/*; do
	[ -d "$dev" ] || continue
	cd $dev
	partitions=
	open_dialog PARTITIONS
	while { read_line num id size type fs path name; [ "$id" ]; }; do
		[ "$fs" != free ] || continue
		partitions="$partitions $id,$num"
	done
	close_dialog

	for part in $partitions; do
		id=${part%,*}
		num=${part#*,}
		[ -f $id/method -a -f $id/format \
		  -a -f $id/acting_filesystem ] || continue
		filesystem=$(cat $id/acting_filesystem)
		case $filesystem in
		    btrfs)
			if [ -f $id/formatted ] && \
			   [ $id/formatted -nt $id/method ] && \
			   ([ ! -f $id/filesystem ] || \
			    [ $id/formatted -nt $id/filesystem ]); then
				continue
			fi
			log "Try to create file system for $dev/$id"
			if [ -f $id/mountpoint ]; then
				template=partman-basicfilesystems/progress_formatting_mountable
				db_subst $template MOUNT_POINT "$(cat $id/mountpoint)"
			else
				template=partman-basicfilesystems/progress_formatting
			fi
			open_dialog PARTITION_INFO $id
			read_line x1 x2 x3 x4 x5 device x6
			close_dialog

			RET=''
			db_metaget  partman/filesystem_short/"$filesystem" description || RET=''
			[ "$RET" ] || RET="$filesystem"
			db_subst $template TYPE "$RET"
			db_subst $template PARTITION "$num"
			db_subst $template DEVICE $(humandev $(cat device))

			db_progress START 0 3 partman/text/formatting
			db_progress INFO $template
			db_progress SET 1

			label=''
			if [ -f $id/label ]; then
				label=$(cat $id/label | \
					sed 's/\(............\).*/\1/g')
			fi
			code=0
			# Ensure label is quoted correctly
			log-output -t partman --pass-stdout \
				mkfs.btrfs -f ${label:+-L "$label"} \
					 $device >/dev/null || code=$?
			sync
			db_progress STOP

			if [ "$code" != 0 ]; then
				T=partman-basicfilesystems/create_failed
				db_subst $T FILESYSTEM "$filesystem"
				db_subst $T PARTITION "$num"
				db_subst $T DEVICE $(humandev $(cat device))
				db_input critical $T || true
				db_go || true
				#disable_swap
				exit 1
			fi
			>$id/formatted
			;;
		esac
	done
done

#disable_swap