#!/usr/bin/env bash

# create the Makefile from the Makefile.tokutek template and some
# command line parameters

shopt -s compat31

tokudb=/usr/local/tokudb
tokudb_version=`basename $tokudb`
mysql=/usr/local/mysql
libdir=/usr/local/mysql/lib

function usage() {
    echo "configure.tokutek"
    echo "--with-tokudb=$tokudb"
    echo "--tokudb_version=$tokudb_version"
    echo "--with-mysql=$mysql"
    echo "--libdir=$libdir"
}

while [ $# -gt 0 ] ; do
    arg=$1; shift
    if [[ $arg =~ "--with-tokudb=(.*)" ]] ; then
	tokudb=${BASH_REMATCH[1]}
	tokudb_version=`basename $tokudb`
    elif [[ $arg =~ "--with-mysql=(.*)" ]] ; then
        mysql=${BASH_REMATCH[1]}
    elif [[ $arg =~ "--libdir=(.*)" ]] ; then
        libdir=${BASH_REMATCH[1]}
    elif [[ $arg =~ "--tokudb_version=(.*)" ]] ; then
	tokudb_version=${BASH_REMATCH[1]}
    else
	usage; exit 1
    fi
done

error=0
if [ ! -d $tokudb ] ; then
    echo $tokudb missing
    # error=1
fi
if [ ! -d $mysql ] ; then
    echo $mysql missing
    error=1
fi
if [ ! -d $libdir ] ; then
    echo $libdir missing
    error=1
fi
if [ $error -ne 0 ] ; then exit 1 ; fi

# escape the path names so that the sed works
# note: i was not smart enough to get this right without a sequence of experiments
tokudb=`echo $tokudb | sed -e s/\\\//\\\\\\\\\\\//g`
# echo $tokudb
mysql=`echo $mysql | sed -e s/\\\//\\\\\\\\\\\//g`
# echo $mysql
libdir=`echo $libdir | sed -e s/\\\//\\\\\\\\\\\//g`
# echo $libdir

sed -e "s/^TOKUDB =\(.*\)$/TOKUDB = $tokudb/" \
    -e "s/^MYSQL_SRC = \(.*\)/MYSQL_SRC = $mysql/" \
    -e "s/^MYSQL_LIBDIR = \(.*\)/MYSQL_LIBDIR = $libdir/" \
    -e "s/^TOKUDB_VERSION =\(.*\)/TOKUDB_VERSION = \"$tokudb_version\"/" <Makefile.tokutek >Makefile