upgrade-bittorrent.sh

#!/usr/bin/env bash

# Downloads, compiles and installs qBittorrent.

# The qBittorrent version to download
version=$1
# The libtorrent-rasterbar version to download
lt_version="1.1.11"
# ./configure arguments for qBittorrent
configure_args="--disable-gui"
# ./configure arguments for libtorrent-rasterbar
lt_configure_args="--disable-debug --enable-encryption --with-libgeoip=system CXXFLAGS=-std=c++11"

if [ "${version}" == "" ]; then
  echo "Usage: $0 <version>"
  exit 1
fi

if [ ! -d "${HOME}/src" ]; then
  mkdir "${HOME}/src"
fi

cd "${HOME}/src"

_basename="qbittorrent-${version}.tar.xz"

if [ ! -e "${_basename}" ]; then
    echo "Downloading the source.."
    wget "https://sourceforge.net/projects/qbittorrent/files/qbittorrent/qbittorrent-${version}/${_basename}/download" -O "${_basename}"
    wget "https://sourceforge.net/projects/qbittorrent/files/qbittorrent/qbittorrent-${version}/${_basename}.asc/download" -O "${_basename}.asc"
    echo "Verifying the source.."
    gpg --verify "${_basename}.asc"

    if [ $? -ne 0 ]; then
      echo "WARNING! Source could not be verified. Aborting."
      rm "${_basename}"
      rm "${_basename}.asc"
      exit 1
    fi
fi

_lt_version="${lt_version}"
_lt_basename="libtorrent-${_lt_version}.tar.gz"
if [ ! -e "${_lt_basename}" ]; then
  echo "Downloading libtorrent source.."
  curl -L -o "${_lt_basename}" "https://github.com/arvidn/libtorrent/archive/libtorrent_${_lt_version//./_}.tar.gz"

  if [ ! -e "libtorrent-libtorrent_${_lt_version//./_}" ]; then
      echo "Extracting the libtorrent source.."
      tar xvzf "${_lt_basename}"
  fi
fi

echo "Extracting the source.."
tar xvJf "${_basename}"

echo "Installing dependencies.."
sudo apt-get install -y build-essential pkg-config automake libtool git \
	libboost-dev libboost-system-dev libboost-chrono-dev libboost-random-dev libssl-dev libgeoip-dev \
	qtbase5-dev qttools5-dev-tools libqt5svg5-dev

echo "Building libtorrent"
cd "libtorrent-libtorrent_${_lt_version//./_}"
./autotool.sh
./configure ${lt_configure_args}
make clean && make -j$(nproc)
sudo make install
cd "${HOME}/src"

echo "Configuring build.."

cd "qbittorrent-${version}"
./configure ${configure_args}

echo "Building.."
make clean && make -j$(nproc)

echo "Installing.."
sudo make install