maint/utils/version.sh

   1 #!/bin/sh
   2
   3 # Midnight Commander - calculate current version
   4 #
   5 # Copyright (C) 2009, 2010, 2013
   6 # The Free Software Foundation, Inc.
   7 #
   8 # Written by:
   9 #  Slava Zanko <slavazanko@gmail.com>, 2009, 2010, 2013
  10 #  Stan. S. Krupoderov <pashelper@gmail.com>, 2009
  11 #  Sergei Trofimovich <slyfox@inbox.ru>, 2009
  12 #  Oswald Buddenhagen <ossi@kde.org>, 2009
  13 #
  14 # This file is part of the Midnight Commander.
  15 #
  16 # The Midnight Commander is free software: you can redistribute it
  17 # and/or modify it under the terms of the GNU General Public License as
  18 # published by the Free Software Foundation, either version 3 of the License,
  19 # or (at your option) any later version.
  20 #
  21 # The Midnight Commander is distributed in the hope that it will be useful,
  22 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 # GNU General Public License for more details.
  25 #
  26 # You should have received a copy of the GNU General Public License
  27 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  28
  29 #*** include section (source functions, for example) *******************
  30
  31 #*** file scope functions **********************************************
  32
  33 mc_print_version(){
  34
  35     if [ ! -f "${VERSION_FILE}" \
  36          -o "${PREV_MC_VERSION}" != "${CURR_MC_VERSION}" ]
  37       then
  38         cat >"${VERSION_FILE}" <<EOF
  39 #ifndef MC_CURRENT_VERSION
  40 /* This is an autogenerated file. Don't edit! */
  41 #define MC_CURRENT_VERSION "${CURR_MC_VERSION}"
  42 #endif
  43 EOF
  44     fi
  45     exit
  46 }
  47
  48 #*** main code *********************************************************
  49
  50 if [ -z "$1" ]
  51   then
  52       echo "usage: $0 <toplevel-source-dir>"
  53       exit 1
  54 fi
  55
  56 src_top_dir="$1"
  57
  58 VERSION_FILE="${src_top_dir}/version.h"
  59 PREV_MC_VERSION="unknown"
  60 CURR_MC_VERSION="${PREV_MC_VERSION}"
  61
  62 if [ -r "${VERSION_FILE}" ]
  63   then
  64     PREV_MC_VERSION=`sed -n 's/^#define MC_CURRENT_VERSION "\(.*\)"$/\1/p' "${VERSION_FILE}"`
  65     CURR_MC_VERSION="${PREV_MC_VERSION}"
  66 fi
  67
  68 git_head=`git --git-dir "${src_top_dir}/.git" rev-parse --verify HEAD 2>/dev/null`
  69 [ -z "${git_head}" ] && mc_print_version
  70
  71 # try to store sha1
  72 CURR_MC_VERSION="${git_head}"
  73
  74 new_version=`git --git-dir "${src_top_dir}/.git" describe --always 2>/dev/null`
  75 [ -z "${new_version}" ] && mc_print_version
  76
  77 # store pretty tagged version
  78 CURR_MC_VERSION="${new_version}"
  79 mc_print_version