Inkycal/Installer.sh

#!/bin/bash
# E-Paper-Calendar software installer for Raspberry Pi running Debian 10 (a.k.a. Buster) with Desktop
# Version: 1.7 (Early Dec 2019)

echo -e "\e[1mPlease select an option from below:"
echo -e "\e[97mEnter \e[91m1 \e[97m to update the E-Paper software"        #Option 1 : UPDATE
echo -e "\e[97mEnter \e[91m2 \e[97m to install the E-Paper software"       #Option 2 : INSTALL
echo -e "\e[97mEnter \e[91m3 \e[97m to uninstall the E-Paper software"     #Option 3 : UNINSTALL
echo -e "\e[97mConfirm your selection with [ENTER]"
read -r -p 'Waiting for input...  ' option

# Invalid number selected, abort
if [ "$option" != 1 ] && [ "$option" != 2 ] && [ "$option" != 3 ]; then echo -e "invalid number, aborting now" exit
fi

# No option selected, abort
if [ -z "$option" ]; then echo -e "You didn't enter anything, aborting now." exit
fi

 # What to do when uninstalling software
if [ "$option" = 3 ]; then

    # Remove requirements of software
    echo -e "\e[1;36m"Removing requirements for Inky-Calendar software"\e[0m"
    cd /home/$USER/Inky-Calendar && pip3 uninstall -r requirements.txt && sudo apt-get clean && sudo apt-get autoremove -y

    # Remove configuration file for supervisor if it exists
    if [ -e /etc/supervisor/conf.d/Inky-Calendar.conf ]; then sudo rm /etc/supervisor/conf.d/Inky-Calendar.conf
    fi
    
    # Print message that libraries have been uninstalled now
    echo -e "\e[1;36m"The libraries have been removed successfully"\e[0m"
    sleep 2

    # Remove the Inky-Calendar directory if it exists
    echo -e "Removing the Inky-Calendar folder if it exists"
    if [ -d "/home/$USER/Inky-Calendar" ]; then
        sudo rm -r /home/$USER/Inky-Calendar/
	echo -e "\e[1;36m"Found Inky-Calendar folder and deleted it"\e[0m"
    fi
    echo -e "\e[1;36m"All done!"\e[0m"
fi

if [ "$option" = 1 ]; then # UPDATE software
    echo -e "\e[1;36m"Checking if the Inky-Calendar folder exists..."\e[0m"
    if [ -d "/home/$USER/Inky-Calendar" ]; then
        echo -e "Found Inky-Calendar directory in /home/$USER"
	sleep 2
        echo -e "To prevent overwriting the Inky-Calendar folder, the installer will not continue."
	echo -e "Please rename the Inky-Calendar folder and then re-run the installer"
	exit
    fi
fi

if [ "$option" = 1 ] || [ "$option" = 2 ]; then # This happens when installing or updating
    # Ask to update system
    echo -e "\e[1;36m"Would you like to update and upgrade the operating system first?"\e[0m"
    sleep 1
    echo -e "\e[97mIt is not scrictly required, but highly recommended."
    sleep 1
    echo -e "\e[97mPlease note that updating may take quite some time, in rare cases up to 1 hour."
    sleep 1
    echo -e "\e[97mPlease type [y] for yes or [n] for no and confirm your selection with [ENTER]"
    read -r -p 'Waiting for input...  ' update
    
    if [ "$update" != Y ] && [ "$update" != y ] && [ "$update" != N ] && [ "$update" != n ]; then echo -e "invalid input, aborting now" exit
    fi

    if [ -z "$update" ]; then echo -e "You didn't enter anything, aborting now." exit
    fi

    if [ "$update" = Y ] || [ "$update" = y ]; then
        # Updating and upgrading the system, without taking too much space
        echo -e "\e[1;36m"Running apt-get update and apt-get dist-upgrade for you..."\e[0m"
	sleep 1
        echo -e "\e[1;36m"This will take a while, sometimes up to 1 hour"\e[0m"
        sudo apt-get update && sudo apt-get dist-upgrade -y && sudo apt-get clean
        echo -e "\e[1;36m"System successfully updated and upgraded!"\e[0m"
        echo ""
    fi

    # Cloning Inky-Calendar repo
    echo -e "\e[1;36m"Cloning Inky-Calendar repo from Github"\e[0m"
    cd /home/$USER && git clone -b dev https://github.com/aceisace/Inky-Calendar

    # Installing dependencies
    echo -e "\e[1;36m"Installing requirements for Inky-Calendar software"\e[0m"
    cd /home/$USER/Inky-Calendar && pip3 install -r requirements.txt

    # Create symlinks of settings and configuration file
    ln -s /home/$USER/Inky-Calendar/settings/settings.py /home/$USER/Inky-Calendar/modules/
    ln -s /home/$USER/Inky-Calendar/settings/configuration.py /home/$USER/Inky-Calendar/modules/

    # add a short info
    cat > /home/pi/Inky-Calendar/Info.txt << EOF
This document contains a short info of the Inky-Calendar software version

Version: 1.7
Installer version: 1.7 (Mid December 2019)
settings file: /home/pi/Inky-Calendar/settings/settings.py
If the time was set correctly, you installed this software on:
EOF
    echo "$(date)" >> /home/pi/Inky-Calendar/Info.txt
    echo ""

    # Setting up supervisor
    echo -e "\e[1;36m"Setting up auto-start of script at boot"\e[0m"
    sudo apt-get install supervisor -y

    sudo bash -c 'cat > /etc/supervisor/conf.d/inkycal.conf' << EOF
[program:Inky-Calendar]
command = /usr/bin/python3 /home/$USER/Inky-Calendar/modules/inkycal.py
stdout_logfile = /home/$USER/Inky-Calendar/logs/logfile.log
stdout_logfile_maxbytes = 5MB
stderr_logfile = /home/$USER/Inky-Calendar/logs/errors.log
stderr_logfile_maxbytes = 5MB
user = $USER
startsecs = 30
EOF

    sudo service supervisor reload
    sudo service supervisor start Inky-Calendar

    echo ""

    # Final words
    echo -e "\e[1;36m"The install was successful"\e[0m"
    echo -e "\e[1;36m"The programm is set to start at every boot."\e[0m"
    
    echo -e "\e[1;31m"To enter your personal details, please use"\e[0m"
    echo -e "\e[1;31m"the Settings-Web-UI.html web-page"\e[0m"
    echo -e "\e[1;36m"To do so, open the file Settings-Web-UI.html from"\e[0m"
    echo -e "\e[1;36m"/home/pi/Inky-Calendar/Settings-Web-UI.html with your browser,"\e[0m"
    echo -e "\e[1;36m"add your details, click on generate and copy the settings.py"\e[0m"
    echo -e "\e[1;36m"file to /home/pi/Inky-Calendar/settings/setting.py"\e[0m"
    
    echo -e "\e[1;36m"You can test if the programm works by typing:"\e[0m"
    echo -e "\e[1;36m"python3 /home/$USER/Inky-Calendar/Calendar/E-Paper.py"\e[0m"
fi