#!/bin/sh

# Copyright (c) 2014 Vsevolod Stakhov <vsevolod@FreeBSD.org>

# All rights reserved.

# 

# Redistribution and use in source and binary forms, with or without

# modification, are permitted provided that the following conditions

# are met:

# 1. Redistributions of source code must retain the above copyright

#    notice, this list of conditions and the following disclaimer

#    in this position and unchanged.

# 2. Redistributions in binary form must reproduce the above copyright

#    notice, this list of conditions and the following disclaimer in the

#    documentation and/or other materials provided with the distribution.

# 

# THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR

# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

# IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,

# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#

#

# This is a simple support script to enable aspcud external solver.

# This solver can be installed from package aspcud or from the port

# in math/aspcud.

# 

# To use this utility as the external solver you can specify CUDF_SOLVER option:

# pkg -o CUDF_SOLVER=/path/to/pkg_aspcud.sh <upgrade|install|remove>

[ -z "$CLASP_OPTS" ] && CLASP_OPTS="--opt-heu=1 --sat-prepro --restarts=L,128 --heuristic=VSIDS --opt-hierarch=1 --local-restarts --del-max=200000,250 --save-progress=0"

[ -z "$CLASP" ] && CLASP="clasp"

[ -z "$GRINGO_OPTS" ] && GRINGO_OPTS="/usr/local/share/aspcud/misc2012.lp"

[ -z "$GRINGO" ] && GRINGO="gringo"

[ -z "$CUDF2LP_OPTS" ] && CUDF2LP_OPTS=""

[ -z "$CUDF2LP" ] && CUDF2LP="cudf2lp"

( $CUDF2LP $CUDF2LP_OPTS ) | ( $GRINGO $GRINGO_OPTS - ) | ( $CLASP $CLASP_OPTS ) \

| grep -A 1 "Answer" | sed -e '1d' | tr " " "\n" \

| grep 'in(' | sed -e 's/in("\([^,]*\)",\([0-9]*\))/package: \1\

version: \2\

installed: true\

/'