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#!/bin/bash
#
# checks if Wireshark's ABI has been changes since last release (tag)
#
# Copyright 2011 Balint Reczey <balint@balintreczey.hu>
#
# Wireshark - Network traffic analyzer
# By Gerald Combs <gerald@wireshark.org>
# Copyright 1998 Gerald Combs
#
# 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; either version 2
# of the License, or (at your option) any later version.
#
# 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.
# check if Wireshark's ABI has been changes since last release (tag)
set -e
CORE_COUNT=4
if [ -r /proc/cpuinfo ] ; then
CORE_COUNT=`grep -c ^processor /proc/cpuinfo`
elif sysctl hw.ncpu > /dev/null 2>&1 ; then
CORE_COUNT=`sysctl -n hw.ncpu`
fi
BUILD_COMMAND="$1"
if [ -z "$BUILD_COMMAND" ]; then
BUILD_COMMAND="./autogen.sh && ./configure && make -j$CORE_COUNT && make dumpabi"
echo "No build command provided. Using"
echo " $BUILD_COMMAND"
fi
# build current version
bash -c "$BUILD_COMMAND"
cd `git rev-parse --show-toplevel`
# we are at top level
# e.g. "v1.10.6-rc1"
LAST_TAG=`git describe --tags --abbrev=0`
# Add extra directory levels to keep '-I../..' + '#include "../some_file.h"
# from matching top-level files.
LAST_TAG_DIR="compare-abis/build/$LAST_TAG"
rm -rf compare-abis
mkdir -p $LAST_TAG_DIR
git archive $LAST_TAG | tar -x -C $LAST_TAG_DIR
# build latest tag
(cd $LAST_TAG_DIR && bash -c "$BUILD_COMMAND")
exec tools/compare-abis.sh `pwd`/$LAST_TAG_DIR `pwd`
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