#!/bin/bash

# Slackware build script for dux-shell

# Copyright 2025-2026 Jay Lanagan (j@lngn.net), Detroit, MI, USA.
# 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=dux-shell
VERSION=${VERSION:-2.0.0}
COMMIT=${COMMIT:-9b41329}
QMLCOMMON=${QMLCOMMON:-ebf5e6c002da1bdaa4aaa2f319fea7b8507abc42}
BUILD=${BUILD:-1}
TAG=${TAG:-_lngn}
PKGTYPE=${PKGTYPE:-txz}

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

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

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

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -march=x86-64 -mtune=generic -fPIC"
  LIBDIRSUFFIX="64"
elif [ "$ARCH" = "aarch64" ]; then
  SLKCFLAGS="-O2 -march=armv8-a -mtune=generic -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.?z
tar xvf $CWD/${QMLCOMMON}.tar.gz -C $TMP/$PRGNAM-$VERSION || tar xvf $CWD/dux-qml-common-${QMLCOMMON}.tar.gz -C $TMP/$PRGNAM-$VERSION
cd $PRGNAM-$VERSION
cd dux-qml-common-${QMLCOMMON}
cp -R * ../dux-qml-common
cd ..
cd core
tar xvf $CWD/$PRGNAM-$VERSION-vendor.tar.?z
cd ..
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

cd core
make sync-shell
export CGO_CPPFLAGS="$SLKCFLAGS"
export CGO_CFLAGS="$SLKCFLAGS"
export CGO_CXXFLAGS="$SLKCFLAGS"

go build -v -tags withshell,distro_binary -trimpath -buildmode=pie -mod=readonly -modcacherw \
-ldflags="-s -w -linkmode=external -extldflags \"${SLKCFLAGS}\" -X main.Version=v$VERSION -X main.Commit=${COMMIT}" -mod vendor -o dms ./cmd/dms

install -Dm755 dms $PKG/usr/bin/dms
cd ..
install -Dm0644 -t $PKG/usr/share/applications/ assets/{dms-open.desktop,dev.duxlabs.shell.desktop,dev.duxlabs.shell.notepad.desktop}
install -Dm0644 -t $PKG/usr/share/icons/hicolor/scalable/apps/ assets/{danklogo.svg,danklogo2.svg,dev.duxlabs.shell.svg}

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a LICENSE *.md $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/doinst.sh > $PKG/install/doinst.sh
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/slack-required > $PKG/install/slack-required

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