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foam-extend4.1-coherent-io/wmake/wmakePrintBuild
2011-01-13 17:22:00 +00:00

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#!/bin/sh
#------------------------------------------------------------------------------
# ========= |
# \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
# \\ / O peration |
# \\ / A nd | Copyright held by original author
# \\/ 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: $Script [OPTION]
options:
-check check the git head commit vs. \$WM_PROJECT_DIR/.build
(exit code 0 for no changes)
-major report \$WM_PROJECT_VERSION only and exit
-update update \$WM_PROJECT_DIR/.build from the git information
-version VER specify an alternative version
Print the version used when building the project, in this order of precedence:
* the git head commit (prefixed with \$WM_PROJECT_VERSION)
* \$WM_PROJECT_DIR/.build
* \$WM_PROJECT_VERSION
USAGE
exit 1
}
#------------------------------------------------------------------------------
unset checkOnly update version
# parse options
while [ "$#" -gt 0 ]
do
case "$1" in
-h | -help)
usage
;;
-c | -check)
checkOnly=true
shift
;;
-major)
echo ${WM_PROJECT_VERSION:-unknown}
exit 0
;;
-u | -update)
update=true
shift
;;
-v | -version)
[ "$#" -ge 2 ] || usage "'$1' option requires an argument"
version=$2
shift 2
;;
*)
usage "unknown option/argument: '$*'"
;;
esac
done
#------------------------------------------------------------------------------
#
# persistent build tag
#
build="$WM_PROJECT_DIR/.build"
previous=$(tail -1 $build 2>/dev/null)
if [ -n "$version" ]
then
# specified a version - no error possible
rc=0
else
# get the head SHA1 when building under git
# if there are multiple values (eg, HEAD, origin/HEAD, ...)
# only take the first one, which is 'HEAD'
version=$(git show-ref --hash=12 --head HEAD 2>/dev/null | head -1)
if [ -n "$version" ]
then
# mark as success and prefix with WM_PROJECT_VERSION
rc=0
version="${WM_PROJECT_VERSION}-$version"
else
# mark as failure
rc=1
fi
fi
# update persistent build tag if possible
if [ $rc -eq 0 -a -n "$update" -a "$version" != "$previous" ]
then
if [ -w "$build" -o \( -w "$WM_PROJECT_DIR" -a ! -e "$build" \) ]
then
echo $version >| "$build" 2>/dev/null
fi
fi
# check git vs. persistent build tag
if [ -n "$checkOnly" ]
then
if [ $rc -eq 0 ]
then
test "$version" = "$previous"
rc=$?
if [ $rc -eq 0 ]
then
echo "same version as previous build"
else
echo "version changed from previous build"
fi
else
echo "no git description found"
fi
exit $rc
fi
if [ $rc -eq 0 ]
then
# output the git information or the -version version
echo $version
elif [ -n "$previous" ]
then
# use previous build tag
echo $previous
else
# fallback to WM_PROJECT_VERSION alone
echo ${WM_PROJECT_VERSION:-unknown}
fi
#------------------------------------------------------------------------------