#!/bin/bash

set -e

# build the supplied package using pbuilder
# satisfies build dependencies if necessary


# This file is part of PrawnOS (http://www.prawnos.com)
# Copyright (c) 2018 Hal Emmerich <hal@halemmerich.com>

# PrawnOS is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# as published by the Free Software Foundation.

# PrawnOS 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 PrawnOS.  If not, see <https://www.gnu.org/licenses/>.


if [ -z "$1" ]
then
    echo "No package name supplied"
    exit 1
fi

if [ -z "$2" ]
then
    echo "No pbuilder chroot supplied"
    exit 1
fi

if [ -z "$3" ]
then
    echo "No pbuilder RC supplied"
    exit 1
fi

if [ -z "$4" ]
then
    echo "No pbuilder hooks directory supplied"
    exit 1
fi

if [ -z "$5" ]
then
    echo "No prawnos apt repo directory supplied"
    exit 1
fi

if [ -z "$6" ]
then
    echo "No prawnos apt repo sources.list line supplied"
    exit 1
fi

PACKAGE_NAME=$1
PBUILDER_CHROOT=$2
PBUILDER_RC=$3
PBUILDER_HOOKS=$4
PRAWNOS_LOCAL_APT_REPO=$5
PRAWNOS_LOCAL_APT_SOURCE=$6

PACKAGE_DIR=$PWD

# only defined if there are build deps we need to satisfy
PACKAGE_LOCAL_BUILD_DEPS=$7


if [ -z "$PACKAGE_LOCAL_BUILD_DEPS" ]
then
	  echo Building $PACKAGE_NAME
    cd src
    pdebuild --configfile $PBUILDER_RC \
                      --buildresult $PACKAGE_DIR \
                      -- \
                      --basetgz $PBUILDER_CHROOT

else
	  echo Satisfying local build deps for $PACKAGE_NAME
	  for dep in $PACKAGE_LOCAL_BUILD_DEPS ; do \
		    make build_package BUILD_PACKAGE=$dep -C .. ; \
	      done
	  cd $PRAWNOS_LOCAL_APT_REPO && dpkg-scanpackages . /dev/null > Packages
	  echo $PACKAGE_NAME build deps satisfied
    cd $PACKAGE_DIR
	  echo Building $PACKAGE_NAME
	  cd src
    pdebuild --configfile $PBUILDER_RC \
                      --buildresult $PACKAGE_DIR \
                      -- \
                      --override-config \
                      --basetgz $PBUILDER_CHROOT \
                      --hookdir $PBUILDER_HOOKS \
                      --bindmounts $PRAWNOS_LOCAL_APT_REPO \
                      --othermirror "$PRAWNOS_LOCAL_APT_SOURCE"
fi

mkdir -p $PRAWNOS_LOCAL_APT_REPO
cp $PACKAGE_DIR/$PACKAGE_NAME $PRAWNOS_LOCAL_APT_REPO