This file is indexed.

/usr/lib/os-probes/mounted/83haiku is in os-prober 1.65+deb8u1.

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
#!/bin/sh
# Detects Haiku on BeFS partitions.

. /usr/share/os-prober/common.sh

partition="$1"
mpoint="$2"
type="$3"

# Weed out stuff that doesn't apply to us
case "$type" in
	befs|befs_be) debug "$partition is a BeFS partition" ;;
	*) debug "$partition is not a BeFS partition: exiting"; exit 1 ;;
esac

if head -c 512 "$partition" | grep -qs "system.haiku_loader"; then
	debug "Stage 1 bootloader found"
else
	debug "Stage 1 bootloader not found: exiting"
	exit 1
fi

if system="$(item_in_dir "system" "$mpoint")" &&
	item_in_dir -q "haiku_loader" "$mpoint/$system" &&
	(item_in_dir -q "kernel_x86" "$mpoint/$system" ||
		item_in_dir -q "kernel_x86_64" "$mpoint/$system")
then
	debug "Stage 2 bootloader and kernel found"
	label="$(count_next_label Haiku)"
	result "$partition:Haiku:$label:chain"
	exit 0
else
	debug "Stage 2 bootloader and kernel not found: exiting"
	exit 1
fi