openfoam/wmake/wmakePrintBuild
Mark Olesen 6a4b83bc43 Added wmakePrintBuild for determining the build version
- the $WM_PROJECT_DIR/.build file is automatically updated.
  This file is (and must be) ignored by git.
2008-12-19 11:11:20 +01:00

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#!/bin/sh
#------------------------------------------------------------------------------
# ========= |
# \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
# \\ / O peration |
# \\ / A nd | Copyright (C) 1991-2008 OpenCFD Ltd.
# \\/ M anipulation |
#-------------------------------------------------------------------------------
# License
# This file is part of OpenFOAM.
#
# OpenFOAM is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version.
#
# OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License
# along with OpenFOAM; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# Script
# wmakePrintBuild
#
# Description
# Print the version used when building the project.
#
#------------------------------------------------------------------------------
Script=${0##*/}
usage() {
while [ "$#" -ge 1 ]; do echo "$1"; shift; done
cat<<USAGE
usage: $Script
Print the version used when building the project, in this order of precedence:
* git description
* \$WM_PROJECT_DIR/.build
* \$WM_PROJECT_VERSION
USAGE
exit 1
}
#------------------------------------------------------------------------------
# provide immediate help
if [ "$1" = "-h" -o "$1" = "-help" ]
then
usage
fi
#------------------------------------------------------------------------------
#
# persistent build tag
#
build="$WM_PROJECT_DIR/.build"
previous=$(tail -1 $build 2>/dev/null)
#
# building under git
# note: could also use --abbrev=32 for maximum resolution
#
version=$(git describe --always --tags 2>/dev/null)
if [ $? -eq 0 ]
then
# update persistent build tag (this could be made optional or removed)
if [ "$version" != "$previous" ]
then
if [ -w "$build" -a \( -w "$WM_PROJECT_DIR" -o ! -e "$build" \) ]
then
echo $version >| "$build" 2>/dev/null
fi
fi
echo $version
elif [ -n "$previous" ]
then
# use previous build tag
echo $previous
else
# fallback to WM_PROJECT_VERSION
echo ${WM_PROJECT_VERSION:-unknown}
fi
#------------------------------------------------------------------------------