#!/bin/sh
#
#  A simple script to gather some build information and prepare
#  a little include file for the eurephiadm buildinfo command
#
#  GPLv2 only - Copyright (C) 2010
#               David Sommerseth <dazo@users.sourceforge.net>
#
#  This program 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; version 2
#  of the License.
#
#  This program 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 this program; if not, write to the Free Software
#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
#
#
builddate="`date -u`"
buildsystem="`uname -a`"
buildhost="`hostname`"
if [[ -d ../.git ]]; then
    # If we have a .git directory, presume the source is from a git tree
    branch=`awk '{print $2}' ../.git/HEAD`
    gitrev=`git rev-list ${branch} -1`
    buildsource="`git remote -v | awk '/^origin/{print $2; exit 0}'`"
else
    # Otherwise, it's from a source tarball
    buildsource="tar.bz2"
fi

cat <<EOF > buildinfo.h
/* Generated automatically by $0 */
/* Do not edit manually          */
#define BUILDDATE "${builddate}"
#define BUILDSYSTEM "${buildsystem}"
#define BUILDHOST "${buildhost}"
#define BUILDSOURCE "${buildsource}"
EOF

if [[ -n "${gitrev}" ]]; then
    cat <<EOF >> buildinfo.h
#define BUILDBRANCH "${branch}"
#define BUILDGITREV "${gitrev}"
EOF
fi