#!/bin/bash

# Slackware build script for flatpak

# Copyright 2017, 2018, 2019 Vincent Batts <vbatts@hashbangbash.com>
# Major modifications Copyright 2022 by Eric Hamleers (alien@slackware.com)
#
# I lifted a bunch of logic from Eric's recent script to test with GNOME
# Liveslak... I lift all Eric's stuff ;) - mac-a-r0ni
#
# 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=flatpak
VERSION=${VERSION:-1.16.1}
BUILD=${BUILD:-1}
TAG=${TAG:-""}
PKGTYPE=${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=${TMP:-/tmp}
PKG=$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

if ! grep -q ^flatpak: /etc/group ; then
  groupadd -g 372 flatpak
  useradd -d /var/lib/flatpak -u 372 -g flatpak -s /bin/false flatpak
fi

export $MESON_INSTALL_DESTDIR_PREFIX=$PKG

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.?z
cd $PRGNAM-$VERSION
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 {} \+

mkdir build
cd build
  CFLAGS="$SLKCFLAGS" \
  CXXFLAGS="$SLKCFLAGS" \
  meson setup .. \
    --buildtype=release \
    --infodir=/usr/info \
    --libdir=/usr/lib${LIBDIRSUFFIX} \
    --localstatedir=/var \
    --mandir=/usr/man \
    --prefix=/usr \
    --sysconfdir=/etc \
    -Dstrip=true \
    -Dsystem_bubblewrap=/usr/bin/bwrap \
    -Dsystem_dbus_proxy=/usr/bin/xdg-dbus-proxy \
    -Dsystem_helper_user=flatpak \
    -Ddbus_config_dir=/usr/share/dbus-1/system.d \
    -Ddocbook_docs=disabled \
    -Dgtkdoc=disabled \
    -Dman=disabled \
    -Dtests=false
  "${NINJA:=ninja}"
  DESTDIR=$PKG $NINJA install
cd ..

# removed conf option... is this whats killing system installs, Nate?
#    -Dsystem_fusermount=/usr/sbin/mount.fuse3 \

# disabled manpage generation, too many nested dirs error

# Compress and link manpages, if any:
if [ -d $PKG/usr/man ]; then
  ( cd $PKG/usr/man
    for manpagedir in $(find . -type d -name "man*") ; do
      ( cd $manpagedir
        for eachpage in $( find . -type l -maxdepth 1) ; do
          ln -s $( readlink $eachpage ).gz $eachpage.gz
          rm $eachpage
        done
    gzip -9 *.*
      )
    done
  )
fi

# Don't ship .la files:
rm -f $PKG/{,usr/}lib${LIBDIRSUFFIX}/*.la

# Flatpak would create this otherwise, and by creating it in the package,
# removepkg can track the content changes:
mkdir -p $PKG/var/lib/flatpak

# Add flathub definition.
# The doinst.sh will actually install it as a flatpak remote repository:
install -D -m 0644 -t $PKG/etc/flatpak/remotes.d $CWD/flathub.flatpakrepo

# We want flatpak enabled out of the box:
chmod 0755 $PKG/etc/profile.d/flatpak.sh

# Preserve customized profile script:
mv $PKG/etc/profile.d/flatpak.sh $PKG/etc/profile.d/flatpak.sh.new

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a README.md COPYING NEWS $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/README >  $PKG/usr/doc/$PRGNAM-$VERSION/README
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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

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