source: client/shared/lib/os-probes/mounted/40lsb @ b7bed1c

#!/bin/sh
# Test for LSB systems.
set -e

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

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

lsb_field () {
        file="$1"
        field="$2"
        grep ^"$field" "$file" | cut -d = -f 2 | sed 's/^"//' | sed 's/"$//' | sed 's/:/ /g'
}

file="$dir/etc/lsb-release"
if [ ! -e "$file" ]; then
        exit 1
fi

release=$(lsb_field "$file" DISTRIB_RELEASE)
if [ -z "$release" ]; then
        release=$(lsb_field "$file" DISTRIB_CODENAME)
fi
description=$(lsb_field "$file" DISTRIB_DESCRIPTION)
if [ -z "$description" ]; then
        description=$(lsb_field "$file" DISTRIB_CODENAME)
fi

if [ -n "$description" ]; then
        if [ -n "$release" ]; then
                long="$description ($release)"
        else
                long="$description"
        fi
else
        exit 1
fi

short=$(lsb_field "$file" DISTRIB_ID | sed 's/ //g')
if [ -z "$short" ]; then
        short="UnknownLSB"
fi

label="$(count_next_label "$short")"
result "$partition:$long:$label:linux"
exit 0