#!/bin/bash
#
# Slackware build script for dfm
#
# Copyright 2026 r1w1s1
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "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 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.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=dfm
VERSION=${VERSION:-1.0.2}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
ARCH=${ARCH:-}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case $(uname -m) in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$(uname -m) ;;
  esac
fi

if [ "$ARCH" = i586 ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = i686 ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = x86_64 ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

if [ -n "$PRINT_PACKAGE_NAME" ]; then
  echo $PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT

cd $TMP
rm -rf $PRGNAM-$VERSION

if ! ls $CWD/$PRGNAM-$VERSION.tar.?z* >/dev/null 2>&1; then
  echo "Source archive for $PRGNAM-$VERSION not found."
  exit 1
fi

tar xvf $CWD/$PRGNAM-$VERSION.tar.?z*
cd $PRGNAM-$VERSION

chown -R root:root .

if [ "${NOCOLOR:-no}" = "yes" ]; then
    COLOR_OPT="-DDFM_NO_COLOR"
fi

if [ "${CLEAREXIT:-no}" = "yes" ]; then
    CLEAR_OPT="-DDFM_CLEAR_EXIT"
fi

CFLAGS="$SLKCFLAGS -flto"
./configure \
  --prefix=/usr \
  CFLAGS="$SLKCFLAGS $COLOR_OPT $CLEAR_OPT"

make

# make install is disabled due to a bug in 1.0.2 where the binary source path
# is missing from the cp command in the generated Makefile. Fixed upstream in
# commit 3cc0f63 but not yet included in a new release.
# When a new version is released, replace the lines below with:
#make install DESTDIR=$PKG

mkdir -p $PKG/usr/bin
cp -f dfm $PKG/usr/bin/dfm
chmod 0755 $PKG/usr/bin/dfm

find $PKG -print0 | xargs -0 file | grep ELF | cut -f1 -d: | \
  xargs strip --strip-unneeded 2>/dev/null || true

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a README* LICENSE* \
  $PKG/usr/doc/$PRGNAM-$VERSION 2>/dev/null || true

cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cp $CWD/slack-desc $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE