1#!/bin/sh
2#
3# libquvi
4# Copyright (C) 2012  Toni Gundogdu <legatvs@gmail.com>
5#
6# This file is part of libquvi <http://quvi.sourceforge.net/>.
7#
8# This program is free software: you can redistribute it and/or
9# modify it under the terms of the GNU Affero General Public
10# License as published by the Free Software Foundation, either
11# version 3 of the License, or (at your option) any later version.
12#
13# This program is distributed in the hope that it will be useful,
14# but WITHOUT ANY WARRANTY; without even the implied warranty of
15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16# GNU Affero General Public License for more details.
17#
18# You should have received a copy of the GNU Affero General
19# Public License along with this program.  If not, see
20# <http://www.gnu.org/licenses/>.
21#
22dir=`dirname $0`
23o=
24# flags:
25m= # dump major and minor only
26c= # strip off the 'v' prefix
27
28# VERSION file is part of the dist tarball.
29from_VERSION_file()
30{
31  o=`cat "$dir/VERSION" 2>/dev/null`
32}
33
34from_git_describe()
35{
36  [ -d "$dir/.git" -o -f "$dir/.git" ] && {
37    o=`git describe --match "v[0-9]*" --abbrev=4 HEAD 2>/dev/null`
38  }
39}
40
41make_vn_mm()
42{
43  j=`expr "$o" : 'v\([0-9]\)'`
44  n=`expr "$o" : 'v[0-9]\.\([0-9]*[0-9]\)'`
45  o="v$j.$n"
46}
47
48dump_vn()
49{
50  [ -n "$m" ] && make_vn_mm
51  [ -n "$c" ] && o=${o#v} # strip off the 'v' prefix.
52  echo $o
53  exit 0
54}
55
56help()
57{
58  echo "$0 [OPTIONS]
59-h  Show this help and exit
60-c  Strip off the 'v' prefix from the output
61-m  Output the major.minor -pair only"
62  exit 0
63}
64
65while [ $# -gt 0 ]
66do
67  case "$1" in
68    -m) m=1;;
69    -c) c=1;;
70    -h) help;;
71     *) break;;
72  esac
73  shift
74done
75
76from_VERSION_file
77[ -z "$o" ] && from_git_describe
78[ -n "$o" ] && dump_vn
79exit 1
80
81# vim: set ts=2 sw=2 tw=72 expandtab:
82