xref: /netbsd-src/sys/conf/osrelease.sh (revision 27fd3f6531803adac12382d7643a9a492b576601)
1#!/bin/sh
2#
3#	$NetBSD: osrelease.sh,v 1.115 2008/08/05 08:26:05 apb Exp $
4#
5# Copyright (c) 1997 The NetBSD Foundation, Inc.
6# All rights reserved.
7#
8# This code is derived from software contributed to The NetBSD Foundation
9# by Luke Mewburn.
10#
11# Redistribution and use in source and binary forms, with or without
12# modification, are permitted provided that the following conditions
13# are met:
14# 1. Redistributions of source code must retain the above copyright
15#    notice, this list of conditions and the following disclaimer.
16# 2. Redistributions in binary form must reproduce the above copyright
17#    notice, this list of conditions and the following disclaimer in the
18#    documentation and/or other materials provided with the distribution.
19#
20# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30# POSSIBILITY OF SUCH DAMAGE.
31#
32
33# We use the number specified in <sys/param.h>
34
35AWK=${AWK:-awk}
36SED=${TOOL_SED:-sed}
37PARAMH="`dirname $0`"/../sys/param.h
38release=`$AWK '/^#define[ 	]*__NetBSD_Version__/ { print $6 }' $PARAMH`
39
40# default: return nn.nn.nn
41# -m: return the major number -- -current is the number of the next release
42# -s: return nnnnnn (no dots)
43
44case $1 in
45-m)
46	echo $release | $AWK -F. '{print int($1+$2/100+0.01)}'
47	;;
48-s)
49	echo $release | $SED -e 's,\.,,g'
50	;;
51*)
52	echo $release
53	;;
54esac
55