#!/usr/bin/env bash

#
#   $Id: fmd-pkg-dpkg,v 1.3 2025/04/07 00:45:52 snw Exp $
#    Creates a Debian package for a specific FreeM version
#
#  
#   Author: Serena Willis <snw@coherent-logic.com>
#    Copyright (C) 2025 Coherent Logic Development LLC
#
#
#   This file is part of FreeM.
#
#   FreeM is free software: you can redistribute it and/or modify
#   it under the terms of the GNU Affero Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   FreeM 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 Affero Public License for more details.
#
#   You should have received a copy of the GNU Affero Public License
#   along with FreeM.  If not, see <https://www.gnu.org/licenses/>.
#
#   $Log: fmd-pkg-dpkg,v $
#   Revision 1.3  2025/04/07 00:45:52  snw
#   Enhance fmd-pkg-dpkg to auto-generate the debian/changelog file from the FreeM ChangeLog
#
#   Revision 1.2  2025/04/06 05:01:21  snw
#   Initial working implementation of fmd package for dpkg
#
#   Revision 1.1  2025/04/06 03:38:05  snw
#   Prepare for adding packaging functionality to fmd
#
#
# SPDX-FileCopyrightText:  (C) 2025 Coherent Logic Development LLC
# SPDX-License-Identifier: AGPL-3.0-or-later
#

PGM=$(basename $0)
SCRIPT_DIR=$(dirname "$0")

source "${SCRIPT_DIR}/_fmd_common.bash"

if [[ $# != 1 ]]
then
    echo "${PGM}:  must run from fmd package"
    exit 1
fi

FMD=$1
FREEM_VERSION="${_fmd_freem_version}"
FREEM_VERSION_MOD=$(echo "${FREEM_VERSION}" | sed 's/-/./g')
export DEBEMAIL="${_fmd_email}"
export DEBFULLNAME="${_fmd_fullname}"

echo -n "${PGM}:  getting debian package release for ${_fmd_freem_version}... "
FDPKG_VERSION=$(_fmd_next_dpkg)
echo "[${FDPKG_VERSION}]"
echo "${PGM}:  package version is ${FREEM_VERSION}-${FDPKG_VERSION}"

TMPDIR="/tmp/fmd-pkg-dpkg"
rm -rf "${TMPDIR}"
mkdir -p "${TMPDIR}"

LOGFILE="${TMPDIR}/pkgbuild.log"
echo "${PGM}:  logging to ${LOGFILE}"
INFILE="freem-${FREEM_VERSION}.tar.gz"
OUTFILE="${TMPDIR}/freem_${FREEM_VERSION_MOD}.orig.tar.gz"
TARDIR="${TMPDIR}/freem-${FREEM_VERSION_MOD}"

if [[ -f "${INFILE}" ]]
then
    echo "${PGM}:  removing ${INFILE}"
    rm -f "${INFILE}"
fi

echo -n "${PGM}:  running 'make dist' to prepare source tarball..."
make dist &>> "${LOGFILE}"
if [[ $? != 0 ]]
then
    echo "[FAIL]"
    exit 1
else
    echo "[OK]"
fi

echo "${PGM}:  moving ${INFILE} to ${OUTFILE}..."
mv "${INFILE}" "${OUTFILE}"

echo "${PGM}:  extracting ${OUTFILE} to ${TARDIR}..."
tar zxf "${OUTFILE}" -C "${TMPDIR}"
if [[ "${FREEM_VERSION}" != "${FREEM_VERSION_MOD}" ]]
then
    mv "${TMPDIR}/freem-${FREEM_VERSION}" "${TMPDIR}/freem-${FREEM_VERSION_MOD}"
fi

echo "${PGM}:  generating Debian changelog..."
TMP_CHLOG=$(mktemp)
${FMD} changelog --minimal > "${TMP_CHLOG}"

pushd scripts &> /dev/null
rm debian/changelog
dch --create -v "${FREEM_VERSION_MOD}-${FDPKG_VERSION}" -u low --package freem --empty &>> "${LOGFILE}"

while read LINE
do
    dch --append "${LINE}" &>> "${LOGFILE}"
done < "${TMP_CHLOG}"

rm -f "${TMP_CHLOG}"

dch --release "Release the package" &>> "${LOGFILE}"

popd &> /dev/null

echo -n "${PGM}:  copying Debian packaging control info to ${TARDIR}... "
cp -r scripts/debian "${TARDIR}/"
if [[ $? == 0 ]]
then
    echo "[OK]"
else
    echo "[FAIL]"
    exit 1
fi

sed -i "s/FREEM_VERSION/${FREEM_VERSION}-${FDPKG_VERSION}/g" "${TARDIR}/debian/control"

echo -n "${PGM}:  building the packages (this may take awhile)..."
cd "${TARDIR}"
export DEB_BUILD_MAINT_OPTIONS=hardening=-fortify,-format,-stackprotector,-stackprotectorstrong
debuild -us -uc &>> "${LOGFILE}"
if [[ $? == 0 ]]
then
    echo "[OK]"
else
    echo "[FAIL]"
    exit 1
fi

cd - &> /dev/null
mv ${TMPDIR}/*.deb .

DPKG_BUILT=$(ls -1 *.deb)

BLDLST=""
for PKGFILE in ${DPKG_BUILT}
do
    if [[ "${BLDLST}" == "" ]]
    then
	BLDLST="${PKGFILE}"
    else
	BLDLST="${BLDLST} ${PKGFILE}"
    fi
done

echo "${PGM}:  built ${BLDLST}"