#!/bin/bash

# Copyright (C) 2014 InfiniDB, Inc.
#
# 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.

prefix=/usr/local
for arg in "$@"; do
	if [ `expr -- "$arg" : '--prefix='` -eq 9 ]; then
		prefix="`echo $arg | awk -F= '{print $2}'`"
	else
		echo "ignoring unknown argument: $arg" 1>&2
	fi
done

if [ ! -d build ]; then
	echo "No build directory found, giving up. (maybe you're not in the right directory?)" 1>&2
	exit 1
fi

bison --version >/dev/null 2>&1
if [ $? -ne 0 ]; then
	echo "No 'bison' program installed, giving up." 1>&2
	exit 1
fi
flex --version >/dev/null 2>&1
if [ $? -ne 0 ]; then
	echo "No 'flex' program installed, giving up." 1>&2
	exit 1
fi
autoreconf --version >/dev/null 2>&1
if [ $? -ne 0 ]; then
	echo "No 'autoreconf' program installed, giving up." 1>&2
	exit 1
fi
expect -v >/dev/null 2>&1
if [ $? -ne 0 ]; then
	echo "No 'expect' program installed, giving up." 1>&2
	exit 1
fi

mysqldir=
for testdir in ./mysql ./mysql-master ../mysql ../mysql-master; do
	if [ -d $testdir ]; then
		mysqldir=$testdir
		break
	fi
done

if [ -z "$mysqldir" ]; then
	echo "Didn't find a MySQL tree, looking for a ZIP file..."
	for testfile in ./mysql-master.zip ../mysql-master.zip; do
		if [ -f $testfile ]; then
			unzip -qq $testfile
			break
		fi
	done
	for testdir in ./mysql ./mysql-master; do
		if [ -d $testdir ]; then
			mysqldir=$testdir
			break
		fi
	done
fi

if [ -z "$mysqldir" ]; then
	echo "Didn't find a MySQL tree and didn't find a ZIP file. Going to github..."
	git --version >/dev/null 2>&1
	if [ $? -ne 0 ]; then
		echo "No 'git' program installed, giving up (maybe you could download infinidb-mysql?)." 1>&2
		exit 1
	fi
	git clone https://github.com/infinidb/mysql --branch=master --quiet
	if [ $? -ne 0 ]; then
		echo "Cloning from github didn't work, giving up." 1>&2
		exit 1
	fi
	if [ ! -x ./mysql/idbbuild.sh ]; then
		echo "Didn't find mysql build script, giving up." 1>&2
		exit 1
	fi
	mysqldir=./mysql
fi

echo "Using MySQL tree in $mysqldir"

echo "Building MySQL..."

( cd $mysqldir;
	./idbbuild.sh --prefix=$prefix/Calpont && make install ) >./mysql_build.log 2>&1

if [ $? -ne 0 -o ! -x $prefix/Calpont/mysql/libexec/mysqld ]; then
	echo "Something went wrong building MySQL, giving up. (check ./mysql_build.log)" 1>&2
	exit 1
fi

if [ $mysqldir = "./mysql" -o $mysqldir = "./mysql-master" ]; then
	( bn=$(basename $(pwd)); cd ..; ln -s $bn/$mysqldir mysql ) >/dev/null 2>&1
fi

if [ ! -f ../mysql/include/mysql_version.h ]; then
	echo "Couldn't find mysql_version.h in ../mysql/include, giving up." 1>&2
	exit 1
fi

echo "Building InfiniDB..."

( cp -r utils/autoconf/* .;
	autoreconf;
	libtoolize --force --install;
	mv -f $mysqldir/Makefile $mysqldir/Makefile.bak;
	./configure --prefix=$prefix && make && make install ) >./infinidb_build.log 2>&1

if [ $? -ne 0 -o ! -x $prefix/Calpont/bin/PrimProc ]; then
	echo "Something went wrong building InfiniDB, giving up. (check ./infinidb_build.log)" 1>&2
	exit 1
fi

cp dbcon/mysql/my.cnf $prefix/Calpont/mysql

echo "InfiniDB binaries and libs are in $prefix/Calpont"

exit 0