post_install() {
    _VERSION=2.1.1
    _EXECUTABLE=SailfishSDK-${_VERSION}-linux64-offline.run
    _PATH=/usr/share/sailfishos-sdk-beta-bin

    _USER=`cat /usr/share/sailfishos-sdk-beta-bin/username.txt`

    chown ${_USER}:users ${_PATH}/${_EXECUTABLE}
    sudo -u ${_USER} chmod +x ${_PATH}/${_EXECUTABLE}

    mkdir /opt/SailfishOS
    chown ${_USER}:users -R /opt/SailfishOS

    sudo -u ${_USER} ${_PATH}/${_EXECUTABLE} --verbose --script ${_PATH}/install_rules.js -platform minimal --logging-rules
}

pre_upgrade() {
    pre_remove $2
}

post_upgrade() {
    post_install $1
}

pre_remove() {
    _USER=`cat /usr/share/sailfishos-sdk-beta-bin/username.txt`
    /opt/SailfishOS/SDK/SDKMaintenanceTool --verbose --script /usr/share/sailfishos-sdk-beta-bin/install_rules.js -platform minimal --logging-rules
    rm -rf /opt/SailfishOS
}