gen-ver.sh

   1 #!/bin/sh
   2 #
   3 # quvi
   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 #
  22 dir=`dirname $0`
  23 o=
  24 # flags:
  25 c= # strip off the 'v' prefix
  26
  27 # VERSION file is part of the dist tarball.
  28 from_VERSION_file()
  29 {
  30   o=`cat "$dir/VERSION" 2>/dev/null`
  31 }
  32
  33 from_git_describe()
  34 {
  35   [ -d "$dir/.git" -o -f "$dir/.git" ] && {
  36     o=`git describe --match "v[0-9]*" --abbrev=4 HEAD 2>/dev/null`
  37   }
  38 }
  39
  40 dump_vn()
  41 {
  42   [ -n "$c" ] && o=${o#v} # strip off the 'v' prefix.
  43   echo $o
  44   exit 0
  45 }
  46
  47 help()
  48 {
  49   echo "$0 [OPTIONS]
  50 -h  Show this help and exit
  51 -c  Strip off the 'v' prefix from the output"
  52   exit 0
  53 }
  54
  55 while [ $# -gt 0 ]
  56 do
  57   case "$1" in
  58     -c) c=1;;
  59     -h) help;;
  60      *) break;;
  61   esac
  62   shift
  63 done
  64
  65 from_VERSION_file
  66 [ -z "$o" ] && from_git_describe
  67 [ -n "$o" ] && dump_vn
  68 exit 1
  69
  70 # vim: set ts=2 sw=2 tw=72 expandtab: