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#!/bin/sh
# Redirect stdout to stderr
exec 1>&2
case "${1}" in
-h|--help|-u|--usage)
echo "live-system - determine if running system is a live system"
echo
echo "Usage: ${0} [-v|--verbose]"
exit 2
;;
-v|--verbose)
_VERBOSE="true"
;;
esac
[ "${_VERBOSE}" ] && echo -n "Checking for live-system... "
if [ ! -e /proc/cmdline ]
then
echo "E: /proc/cmdline - No such file."
exit 2
fi
if grep -qs boot=live /proc/cmdline
then
[ "${_VERBOSE}" ] && echo -n " yes, this is a live system"
if [ -d /live/image/install ]
then
if ls /live/image/install/pool/main/l/live-installer/live-installer_*.udeb > /dev/null 2>&1
then
[ "${_VERBOSE}" ] && echo " with live-installer support."
else
[ "${_VERBOSE}" ] && echo " without live-installer support."
fi
else
[ "${_VERBOSE}" ] && echo "without installer support."
fi
exit 0
else
[ "${_VERBOSE}" ] && echo " no, this is not a live system."
exit 1
fi
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