#!/bin/bash

# Slackware build script for Telegram
#
# Copyright 2018-2025 Corrado Franco (https://corradofranco.it)
# All rights reserved.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version, with the following exception:
# the text of the GPL license may be omitted.

# This program 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. Compiling,
# interpreting, executing or merely reading the text of the program
# may result in lapses of consciousness and/or very being, up to and
# including the end of all existence and the Universe as we know it.
# See the GNU General Public License for more details.

# You may have received a copy of the GNU General Public License along
# with this program (most likely, a file named COPYING).  If not, see
# <http://www.gnu.org/licenses/>.
#
# Based on https://slackbuilds.org/slackbuilds/14.2/network/telegram/telegram.SlackBuild

# Latest version of this SlackBuild at https://github.com/conraid/SlackBuilds

set -euo pipefail

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

PKGNAM=telegram-bin
PRGNAM=telegram
SRCVERSION=6.3.4
VERSION="${SRCVERSION//-/_}"
BUILD=${BUILD:-1}
TAG=${TAG:-cf}
TMP=${TMP:-/tmp/pkg}
PKG=$TMP/package-$PKGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ -z ${ARCH:=""} ]; then
  case "$( uname -m )" in
    i?86) ARCH=i686 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME:-""}" ]; then
  echo "$PKGNAM-$VERSION-$ARCH-${BUILD}${TAG}.txz"
  exit 0
fi

if [ "$ARCH" = "i586" ]; then
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  LIBDIRSUFFIX="64"
else
  echo "$ARCH is not supported."
  exit
fi

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf Telegram
tar xvf $CWD/tsetup.${SRCVERSION}*.tar.xz
cd Telegram

chown -R root:root .
find . \
  \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
  -exec chmod 755 {} \+ -o \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \+

mkdir -p $PKG/usr/share/$PRGNAM
cp -a Telegram $PKG/usr/share/$PRGNAM

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 $PKG/usr/bin
ln -sf /usr/share/$PRGNAM/Telegram $PKG/usr/bin/Telegram

mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION
cat $CWD/$PKGNAM.SlackBuild > $PKG/usr/doc/$PKGNAM-$VERSION/$PKGNAM.SlackBuild

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

install -Dm644 $CWD/files/$PRGNAM.desktop $PKG/usr/share/applications/$PRGNAM.desktop
install -Dm644 $CWD/files/$PRGNAM.png $PKG/usr/share/pixmaps/$PRGNAM.png

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PKGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-txz}
