mdw@git.distorted.org.uk Git - cfd/blob - auto-version.in

   1 #! /bin/sh
   2 ### -*-sh-*-
   3 ###
   4 ### Make autoconf-like substitutions in files
   5 ###
   6 ### (c) 2008 Mark Wooding
   7 ###
   8
   9 ###----- Licensing notice ---------------------------------------------------
  10 ###
  11 ### This file is part of the Common Files Distribution (`common').
  12 ###
  13 ### `Common' is free software; you can redistribute it and/or modify
  14 ### it under the terms of the GNU General Public License as published by
  15 ### the Free Software Foundation; either version 2 of the License, or
  16 ### (at your option) any later version.
  17 ###
  18 ### `Common' is distributed in the hope that it will be useful,
  19 ### but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 ### GNU General Public License for more details.
  22 ###
  23 ### You should have received a copy of the GNU General Public License
  24 ### along with `common'; if not, write to the Free Software Foundation,
  25 ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  26
  27 set -e
  28 VERSION="@VERSION@"
  29
  30 ###--------------------------------------------------------------------------
  31 ### Parse command line arguments.
  32
  33 while [ $# -gt 0 ]; do
  34   case $1 in
  35     -h | --h | --he | --hel | --help)
  36       cat <<EOF
  37 Usage: auto-verison
  38
  39 Writes on standard output the program's version number.
  40 EOF
  41       exit 0
  42       ;;
  43     -v | --v | --ve | --ver | --vers | --versi | --versio | --version)
  44       echo "auto-version: Common Files Distribution version $VERSION"
  45       exit 0
  46       ;;
  47     --)
  48       shift
  49       break
  50       ;;
  51     -)
  52       break
  53       ;;
  54     -*)
  55       echo "auto-version: unknown option \`$1'" >&2
  56       exit 1
  57       ;;
  58     *)
  59       break
  60       ;;
  61   esac
  62   shift
  63 done
  64
  65 if [ $# -ne 0 ]; then
  66   echo >&2 "Usage: auto-version"
  67   exit 1
  68 fi
  69
  70 ###--------------------------------------------------------------------------
  71 ### Main program.
  72
  73 ## If this is a Git checkout then Git should be able to identify the version.
  74 ## If there's also a Debian version, and that ends in a `~', then prefix the
  75 ## Git version with this.  Note that `pkg-config' is not very good, and, in
  76 ## particular, doesn't support the convention that `~' sorts before anything
  77 ## else, even the empty string, despite claiming to implement the RPM
  78 ## version-comparison algorithm which specifies this behaviour, so one must
  79 ## be careful when choosing `~' prefixes.
  80 if [ -e .git ] && version=$(git describe --abbrev=4 --dirty=+ 2>/dev/null); then
  81   debver=$(sed -n '/^.*(\(.*\)).*$/ { s::\1:p; q; }' debian/changelog)
  82   case $debver in *~) version=$debver$version ;; esac
  83   echo "$version"
  84   exit 0
  85 fi
  86
  87 ## If this was unpacked from a source distribution, the RELEASE file sould
  88 ## say what the version was.
  89 if [ -f RELEASE ]; then
  90   cat RELEASE
  91   exit 0
  92 fi
  93
  94 ## If we're Debianized, then the Debian changelog ought to know.
  95 if [ -f debian/changelog ]; then
  96   sed -n '/^.*(\(.*\)).*$/ { s::\1:p; q; }' debian/changelog
  97   exit 0
  98 fi
  99
 100 ## Otherwise we're screwed.
 101 echo UNKNOWN
 102 exit 0
 103
 104 ###----- That's all, folks --------------------------------------------------