#!/bin/bash install_telegram_gen() { download_url_telegram="${1}" echo "Downloading telegram" rm -rf /tmp/telegram.tar.xz #wget -q --show-progress -c "${download_url_telegram}" -O /tmp/telegram.tar.xz wget -q --show-progress -c "https://telegram.org/dl/desktop/linux" -O /tmp/telegram.tar.xz echo "Installing telegram" if [ -d /opt ] ; then tar Jxf /tmp/telegram.tar.xz -C /opt/ unlink /usr/bin/telegram 2> /dev/null install_telegram_desktop ln -s /opt/Telegram/Telegram /usr/bin/telegram chmod +x /usr/bin/telegram fi rm -rf /tmp/telegram.tar.xz echo "Installation telegram done" } install_telegram_desktop() { if [ -d /usr/share/applications ] ; then echo '[Desktop Entry]' > /usr/share/applications/telegram.desktop echo 'Name=Telegram' >> /usr/share/applications/telegram.desktop echo 'Comment=Chat with Telegram' >> /usr/share/applications/telegram.desktop echo 'GenericName=Telegram' >> /usr/share/applications/telegram.desktop echo 'X-GNOME-FullName=Telegram' >> /usr/share/applications/telegram.desktop echo 'Exec=/opt/Telegram/Telegram %u' >> /usr/share/applications/telegram.desktop echo 'Terminal=false' >> /usr/share/applications/telegram.desktop echo 'X-MultipleArgs=false' >> /usr/share/applications/telegram.desktop echo 'Type=Application' >> /usr/share/applications/telegram.desktop echo 'Icon=telegram' >> /usr/share/applications/telegram.desktop echo 'Categories=Network;WebBrowser;' >> /usr/share/applications/telegram.desktop echo 'StartupWMClass=Telegram' >> /usr/share/applications/telegram.desktop echo 'StartupNotify=true' >> /usr/share/applications/telegram.desktop fi } echo "Checking telegram version" touch /etc/telegram_version.conf url_download=$(curl -I -s "https://telegram.org/dl/desktop/linux" | grep -i "location:" | cut -d " " -f 2) version_telegram=$(basename ${url_download}) version_telegram_current=$(cat /etc/telegram_version.conf) if [ "${version_telegram}" != "${version_telegram_current}" ] ; then echo "New telegram version detected" install_telegram_gen "${url_download}" error_install=$? if [ ${error_install} -eq 0 ] ; then echo "${version_telegram}" > /etc/telegram_version.conf fi else echo "No updates for telegram" fi