xref: /netbsd/lib/bumpversion (revision fc1d8f3b) 
1#!/bin/sh
2#
3# Copyright (c) 1993 Christopher G. Demetriou
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14# 3. All advertising materials mentioning features or use of this software
15#    must display the following acknowledgement:
16#      This product includes software developed by Christopher G. Demetriou.
17# 4. The name of the author may not be used to endorse or promote products
18#    derived from this software without specific prior written permission
19#
20# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30#
31#	$Id: bumpversion,v 1.3 1994/01/29 01:54:01 jtc Exp $
32#
33
34PATH=/bin:/usr/bin
35export PATH
36
37while :
38	do case "$1" in
39		# -c says to create new shlib_version files
40		-c)
41			create=TRUE
42			shift ;;
43
44		# -n sets 'do nothing mode'
45		-n)
46			donothing=TRUE
47			shift ;;
48
49		# -m says to bump major number, rather than minor number
50		-m)
51			bumpmajor=TRUE
52			shift ;;
53
54		*)
55			break ;;
56	esac
57done
58
59if [ $# = 0 ] ; then
60	echo "usage: $0 [-c] [-m] [-n] dir ..."
61	exit 2
62fi
63
64TMP=/tmp/bump$$
65error=0
66
67trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
68
69for dir in $@ ; do
70	versf=$dir/shlib_version
71
72	if [ "X$create" != "X" ] ; then
73		if [ ! -d $dir ] ; then
74		        echo $0: $dir is not a directory 1>&2
75		        error=1
76			continue
77		fi
78		if [ -e $versf ] ; then
79		        echo $0: $versf exists\; not replacing 1>&2
80		        error=1
81			continue
82		fi
83	else
84		if [ ! -e $versf ] ; then
85		        echo $0: $versf does not exist 1>&2
86		        error=1
87			continue
88		fi
89		if [ ! -f $versf ] ; then
90		        echo $0: $versf is not a regular file 1>&2
91		        error=1
92			continue
93		fi
94		if [ ! -r $versf ] ; then
95		        echo $0: $versf is not readable 1>&2
96		        error=1
97			continue
98		fi
99		if [ ! -w $versf ] ; then
100		        echo $0: $versf is not a writable 1>&2
101		        error=1
102			continue
103		fi
104
105		. $versf
106	fi
107
108	if [ "X$create" != "X" ] ; then
109		nmajor=0
110		nminor=0
111	elif [ "X$bumpmajor" != "X" ] ; then
112		nmajor=`expr $major + 1`
113		nminor=0
114	else
115		nmajor=$major
116		nminor=`expr $minor + 1`
117	fi
118
119	if [ "X$donothing" = "X" ] ; then
120		echo major=$nmajor > $TMP
121		echo minor=$nminor >> $TMP
122		mv $TMP $versf
123	else
124		echo "$0: $versf -> $nmajor.$nminor"
125	fi
126done
127
128exit $error
129