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TICKER-INSTALL.bash
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TICKER-INSTALL.bash
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#!/bin/bash
# Copyright 2019-2024 GPLv3, Slideshow Crypto Ticker by Mike Kilday: Mike@DragonFrugal.com (leave this copyright / attribution intact in ALL forks / copies!)
ISSUES_URL="https://github.com/taoteh1221/Slideshow_Crypto_Ticker/issues"
echo " "
echo "PLEASE REPORT ANY ISSUES HERE: $ISSUES_URL"
echo " "
echo "Initializing, please wait..."
echo " "
######################################
# EXPLICITLY set any dietpi paths
# Export too, in case we are calling another bash instance in this script
if [ -f /boot/dietpi/.version ]; then
PATH=/boot/dietpi:$PATH
export PATH=$PATH
fi
# EXPLICITLY set any ~/.local/bin paths
# Export too, in case we are calling another bash instance in this script
if [ -d ~/.local/bin ]; then
PATH=~/.local/bin:$PATH
export PATH=$PATH
fi
# EXPLICITLY set any /usr/sbin path
# Export too, in case we are calling another bash instance in this script
if [ -d /usr/sbin ]; then
PATH=/usr/sbin:$PATH
export PATH=$PATH
fi
# In case we are recursing back into this script (for filtering params etc),
# flag export of a few more basic sys vars if present
# Authentication of X sessions
export XAUTHORITY=~/.Xauthority
# Working directory
export PWD=$PWD
######################################
# Get date / time
DATE=$(date '+%Y-%m-%d')
TIME=$(date '+%H:%M:%S')
# Current timestamp
CURRENT_TIMESTAMP=$(date +%s)
# Are we running on Ubuntu OS?
IS_UBUNTU=$(cat /etc/os-release | grep "PRETTY_NAME" | grep "Ubuntu")
# If a symlink, get link target for script location
# WE ALWAYS WANT THE FULL PATH!
if [[ -L "$0" ]]; then
SCRIPT_LOCATION=$(readlink "$0")
else
SCRIPT_LOCATION="$( cd -- "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )/"$(basename "$0")""
fi
# Now set path / file vars, after setting SCRIPT_LOCATION
SCRIPT_PATH="$( cd -- "$(dirname "$SCRIPT_LOCATION")" >/dev/null 2>&1 ; pwd -P )"
SCRIPT_NAME=$(basename "$SCRIPT_LOCATION")
# Parent directory of the script location
PARENT_DIR="$(dirname "$SCRIPT_LOCATION")"
# Get the operating system and version
if [ -f /etc/os-release ]; then
# freedesktop.org and systemd
. /etc/os-release
OS=$NAME
VER=$VERSION_ID
elif type lsb_release >/dev/null 2>&1; then
# linuxbase.org
OS=$(lsb_release -si)
VER=$(lsb_release -sr)
elif [ -f /etc/lsb-release ]; then
# For some versions of Debian/Ubuntu without lsb_release command
. /etc/lsb-release
OS=$DISTRIB_ID
VER=$DISTRIB_RELEASE
elif [ -f /etc/debian_version ]; then
# Older Debian/Ubuntu/etc.
OS=Debian
VER=$(cat /etc/debian_version)
elif [ -f /etc/SuSe-release ]; then
# Older SuSE/etc.
...
elif [ -f /etc/redhat-release ]; then
# Older Red Hat, CentOS, etc.
...
else
# Fall back to uname, e.g. "Linux <version>", also works for BSD, etc.
OS=$(uname -s)
VER=$(uname -r)
fi
# For setting user agent header in curl, since some API servers !REQUIRE! a set user agent OR THEY BLOCK YOU
CUSTOM_CURL_USER_AGENT_HEADER="User-Agent: Curl (${OS}/$VER; compatible;)"
######################################
# https://stackoverflow.com/questions/5947742/how-to-change-the-output-color-of-echo-in-linux
if hash tput > /dev/null 2>&1; then
red=`tput setaf 1`
green=`tput setaf 2`
yellow=`tput setaf 3`
blue=`tput setaf 4`
magenta=`tput setaf 5`
cyan=`tput setaf 6`
reset=`tput sgr0`
else
red=``
green=``
yellow=``
blue=``
magenta=``
cyan=``
reset=``
fi
######################################
# Get logged-in username (if sudo, this works best with logname)
TERMINAL_USERNAME=$(logname)
# If logname doesn't work, use the $SUDO_USER or $USER global var
if [ -z "$TERMINAL_USERNAME" ]; then
if [ -z "$SUDO_USER" ]; then
TERMINAL_USERNAME=$USER
else
TERMINAL_USERNAME=$SUDO_USER
fi
fi
if [ "$EUID" -ne 0 ] || [ "$TERMINAL_USERNAME" == "root" ]; then
echo " "
echo "${red}Please run as a NORMAL USER WITH 'sudo' PERMISSIONS (NOT LOGGED IN AS 'root').${reset}"
echo "${yellow} "
read -n1 -s -r -p $"PRESS ANY KEY to exit..." key
echo "${reset} "
if [ "$key" = 'y' ] || [ "$key" != 'y' ]; then
echo " "
echo "${green}Exiting...${reset}"
echo " "
exit
fi
fi
######################################
if [ -f "/etc/debian_version" ]; then
echo "${cyan}Your system has been detected as Debian-based, which is compatible with this automated script."
# USE 'apt-get' IN SCRIPTING!
# https://askubuntu.com/questions/990823/apt-gives-unstable-cli-interface-warning
PACKAGE_INSTALL="sudo apt-get install"
PACKAGE_REMOVE="sudo apt-get --purge remove"
echo " "
echo "Continuing...${reset}"
echo " "
elif [ -f "/etc/redhat-release" ]; then
echo "${cyan}Your system has been detected as Redhat-based, which is ${red}CURRENTLY STILL IN DEVELOPMENT TO EVENTUALLY BE (BUT IS *NOT* YET) ${cyan}compatible with this automated script."
PACKAGE_INSTALL="sudo yum install"
PACKAGE_REMOVE="sudo yum remove"
echo " "
echo "Continuing...${reset}"
echo " "
else
echo "${red}Your system has been detected as NOT BEING Debian-based OR Redhat-based. Your system is NOT compatible with this automated script."
echo "${yellow} "
read -n1 -s -r -p $"PRESS ANY KEY to exit..." key
echo "${reset} "
if [ "$key" = 'y' ] || [ "$key" != 'y' ]; then
echo " "
echo "${green}Exiting...${reset}"
echo " "
exit
fi
fi
echo "${yellow} "
read -n1 -s -r -p $"PRESS ANY KEY to continue..." key
echo "${reset} "
if [ "$key" = 'y' ] || [ "$key" != 'y' ]; then
echo " "
echo "${green}Continuing...${reset}"
echo " "
fi
echo " "
######################################
# Path to app (CROSS-DISTRO-COMPATIBLE)
get_app_path() {
app_path_result=$(whereis -b $1)
app_path_result="${app_path_result#*$1: }"
app_path_result=${app_path_result%%[[:space:]]*}
app_path_result="${app_path_result#*$1:}"
# If we have found the library already installed on this system
if [ ! -z "$app_path_result" ]; then
PATH_CHECK_REENTRY="" # Reset reentry flag
echo "$app_path_result"
# If we are re-entering from the else statement below, quit trying, with warning sent to terminal (NOT function output)
elif [ ! -z "$PATH_CHECK_REENTRY" ]; then
PATH_CHECK_REENTRY="" # Reset reentry flag
echo "${red} " > /dev/tty
echo "System path for '$1' NOT FOUND, even AFTER package installation attempts, giving up." > /dev/tty
echo " " > /dev/tty
echo "*PLEASE* REPORT THIS ISSUE HERE, *IF THIS SCRIPT FAILS TO RUN PROPERLY FROM THIS POINT ONWARD*:" > /dev/tty
echo " " > /dev/tty
echo "$ISSUES_URL" > /dev/tty
echo "${reset} " > /dev/tty
echo "${yellow} " > /dev/tty
read -n1 -s -r -p $"PRESS ANY KEY to continue..." key
echo "${reset} " > /dev/tty
if [ "$key" = 'y' ] || [ "$key" != 'y' ]; then
echo " " > /dev/tty
echo "${green}Continuing...${reset}" > /dev/tty
echo " " > /dev/tty
fi
echo " " > /dev/tty
# If library not found, attempt package installation
else
# Handle package name exceptions...
# bsdtar on Ubuntu 18.x and higher
if [ "$1" == "bsdtar" ] && [ -f "/etc/debian_version" ]; then
SYS_PACK="libarchive-tools"
# xdg-user-dir (debian package name differs slightly)
elif [ "$1" == "xdg-user-dir" ] && [ -f "/etc/debian_version" ]; then
SYS_PACK="xdg-user-dirs"
# rsyslogd (debian package name differs slightly)
elif [ "$1" == "rsyslogd" ] && [ -f "/etc/debian_version" ]; then
SYS_PACK="rsyslog"
else
SYS_PACK="$1"
fi
# Terminal alert for good UX...
if [ "$1" != "$SYS_PACK" ]; then
echo " " > /dev/tty
echo "${yellow}'$1' is found WITHIN '$SYS_PACK', changing package request accordingly...${reset}" > /dev/tty
echo " " > /dev/tty
fi
echo " " > /dev/tty
echo "${cyan}Installing required component '$SYS_PACK', please wait...${reset}" > /dev/tty
echo " " > /dev/tty
sleep 3
$PACKAGE_INSTALL $SYS_PACK -y > /dev/tty
# If UBUNTU (*NOT* any other OS) snap was detected on the system, try a snap install too
# (as they moved some libs over to snap / snap-only? now)
if [ ! -z "$UBUNTU_SNAP_PATH" ]; then
UBUNTU_SNAP_INSTALL="sudo $UBUNTU_SNAP_PATH install"
echo " " > /dev/tty
echo "${yellow}CHECKING FOR UBUNTU SNAP PACKAGE '$SYS_PACK', please wait...${reset}" > /dev/tty
echo " " > /dev/tty
sleep 3
$UBUNTU_SNAP_INSTALL $SYS_PACK > /dev/tty
fi
sleep 2
PATH_CHECK_REENTRY=1 # Set reentry flag, right before reentry
echo $(get_app_path "$1")
fi
}
# Ubuntu uses snaps for very basic libraries these days, so we need to configure for possible snap installs
if [ "$IS_UBUNTU" != "" ]; then
UBUNTU_SNAP_PATH=$(get_app_path "snap")
fi
######################################
# ON DEBIAN-BASED SYSTEMS ONLY:
# Do we have less than 900MB PHYSICAL RAM (IN KILOBYTES),
# AND no swap / less swap virtual memory than 900MB (IN BYTES)?
if [ -f "/etc/debian_version" ] && [ "$(awk '/MemTotal/ {print $2}' /proc/meminfo)" -lt 900000 ] && (
[ "$(free | awk '/^Swap:/ { print $2 }')" = "0" ] || [ "$(free --bytes | awk '/^Swap:/ { print $2 }')" -lt 900000000 ]
); then
echo "${red}YOU HAVE LESS THAN 900MB *PHYSICAL* MEMORY, AND ALSO HAVE LESS THAN 900MB SWAP *VIRTUAL* MEMORY. This MAY cause your system to FREEZE, *IF* you have a desktop display attached!${reset}"
echo "${yellow} "
read -n1 -s -r -p $"PRESS F to fix this (sets swap virtual memory to 1GB), OR any other key to skip fixing..." key
echo "${reset} "
if [ "$key" = 'f' ] || [ "$key" = 'F' ]; then
echo " "
echo "${cyan}Changing Swap Virtual Memory size to 1GB, please wait (THIS MAY TAKE AWHILE ON SMALLER SYSTEMS)...${reset}"
echo " "
# Required components check...
# dphys-swapfile
DPHYS_PATH=$(get_app_path "dphys-swapfile")
# sed
SED_PATH=$(get_app_path "sed")
sudo $DPHYS_PATH swapoff
sleep 5
if [ -f /etc/dphys-swapfile ]; then
DETECT_SWAP_CONF=$(sudo sed -n '/CONF_SWAPSIZE=/p' /etc/dphys-swapfile)
if [ "$DETECT_SWAP_CONF" != "" ]; then
sudo sed -i "s/CONF_SWAPSIZE=.*/CONF_SWAPSIZE=1024/g" /etc/dphys-swapfile
elif [ "$DETECT_SWAP_CONF" == "" ]; then
sudo bash -c "echo 'CONF_SWAPSIZE=1024' >> /etc/dphys-swapfile"
fi
sudo $DPHYS_PATH setup
sleep 5
sudo $DPHYS_PATH swapon
sleep 5
echo " "
echo "${green}Swap Memory size has been updated to 1GB.${reset}"
echo " "
else
echo " "
echo "${red}Swap Memory config file could NOT be located, skipping update of Swap Memory size!${reset}"
echo " "
fi
else
echo " "
echo "${green}Skipping...${reset}"
echo " "
fi
fi
######################################
# clean_system_update function START
clean_system_update () {
if [ -z "$ALLOW_FULL_UPGRADE" ]; then
echo " "
echo "${yellow}Does the Operating System on this device update using the \"Rolling Release\" model (Kali, Manjaro, Ubuntu Rolling Rhino, Debian Unstable, etc), or the \"Long-Term Release\" model (Debian, Ubuntu, Raspberry Pi OS, Armbian Stable, Diet Pi, etc)?"
echo " "
echo "${red}(You can SEVERLY MESS UP a \"Rolling Release\" Operating System IF YOU DO NOT CHOOSE CORRECTLY HERE! In that case, you can SAFELY choose \"I don't know\".)${reset}"
echo " "
echo "Enter the NUMBER next to your chosen option.${reset}"
echo " "
OPTIONS="rolling long_term i_dont_know"
select opt in $OPTIONS; do
if [ "$opt" = "long_term" ]; then
ALLOW_FULL_UPGRADE="yes"
echo " "
echo "${green}Allowing system-wide updates before installs.${reset}"
break
else
ALLOW_FULL_UPGRADE="no"
echo " "
echo "${green}Disabling system-wide updates before installs.${reset}"
break
fi
done
echo " "
fi
if [ -z "$PACKAGE_CACHE_REFRESHED" ]; then
if [ -f "/etc/debian_version" ]; then
echo "${cyan}Making sure your APT sources list is updated before installations, please wait...${reset}"
echo " "
# In case package list was ever corrupted (since we are about to rebuild it anyway...avoids possible errors)
sudo rm -rf /var/lib/apt/lists/* -vf > /dev/null 2>&1
sleep 2
sudo apt-get update
echo " "
echo "${cyan}APT sources list update complete.${reset}"
echo " "
fi
if [ "$ALLOW_FULL_UPGRADE" == "yes" ]; then
echo "${cyan}Making sure your system is updated before installations, please wait...${reset}"
echo " "
if [ -f "/etc/debian_version" ]; then
#DO NOT RUN dist-upgrade, bad things can happen, lol
sudo apt-get upgrade -y
elif [ -f "/etc/redhat-release" ]; then
sudo yum upgrade -y
fi
sleep 2
echo " "
echo "${cyan}System updated.${reset}"
echo " "
fi
PACKAGE_CACHE_REFRESHED=1
fi
}
# clean_system_update function END
# Clears / updates cache, then upgrades (if NOT a rolling release)
clean_system_update
######################################
# Get PRIMARY dependency lib's paths (for bash scripting commands...auto-install is attempted, if not found on system)
# (our usual standard library prerequisites [ordered alphabetically], for 99% of advanced bash scripting needs)
# avahi-daemon
AVAHID_PATH=$(get_app_path "avahi-daemon")
# bc
BC_PATH=$(get_app_path "bc")
# bsdtar
BSDTAR_PATH=$(get_app_path "bsdtar")
# curl
CURL_PATH=$(get_app_path "curl")
# expect
EXPECT_PATH=$(get_app_path "expect")
# git
GIT_PATH=$(get_app_path "git")
# jq
JQ_PATH=$(get_app_path "jq")
# less
LESS_PATH=$(get_app_path "less")
# sed
SED_PATH=$(get_app_path "sed")
# wget
WGET_PATH=$(get_app_path "wget")
# PRIMARY dependency lib's paths END
######################################
# Get the *INTERNAL* NETWORK ip address
IP=$(ip -o route get to 8.8.8.8 | sed -n 's/.*src \([0-9.]\+\).*/\1/p')
######################################
echo " "
echo "${yellow}Enter the system username to configure installation for:"
echo "(leave blank / hit enter for default of username '${TERMINAL_USERNAME}')${reset}"
echo " "
read APP_USER
echo " "
if [ -z "$APP_USER" ]; then
APP_USER=${1:-$TERMINAL_USERNAME}
echo "${green}Using default username: $APP_USER${reset}"
else
echo "${green}Using username: $APP_USER${reset}"
fi
if [ ! -d "/home/$APP_USER/" ]; then
echo " "
echo "${red}Directory /home/$APP_USER/ DOES NOT exist, cannot install Slideshow Crypto Ticker. Please create user $APP_USER's home directory before running this installation.${reset}"
exit
fi
echo " "
######################################
echo "${green}You have set the user information as..."
echo " "
echo "User: $APP_USER"
echo " "
echo "User home directory: /home/$APP_USER/${reset}"
echo " "
echo "${yellow}If this information is NOT correct, please exit installation and start again.${reset}"
echo " "
echo "${yellow} "
read -n1 -s -r -p $"Press Y to continue (or press N to exit)..." key
echo "${reset} "
if [ "$key" = 'y' ] || [ "$key" = 'Y' ]; then
echo " "
echo "${green}Continuing...${reset}"
# If all clear for takeoff, make sure a group exists with same name as user,
# AND user is a member of it (believe it or not, I've seen this not always hold true!)
groupadd -f $APP_USER > /dev/null 2>&1
sleep 3
usermod -a -G $APP_USER $APP_USER > /dev/null 2>&1
echo " "
else
echo " "
echo "${green}Exiting...${reset}"
echo " "
exit
fi
echo " "
######################################
# MIGRATE SAFELY TO NEW APP NAMED DIR (we delete the old one if the user completes installation)
\cp -r /home/$APP_USER/dfd-crypto-ticker /home/$APP_USER/slideshow-crypto-ticker > /dev/null 2>&1
echo "${yellow}TECHNICAL NOTE:"
echo " "
echo "This script was designed to install on popular Debian-based ${green}(STABLE / POLISHED)${yellow} / RedHat-based ${red}(UNSTABLE / WORK-IN-PROGRESS)${yellow} operating systems (Debian, Ubuntu, Raspberry Pi OS [Raspbian], Armbian, DietPi, Fedora, RHEL, CentOS, etc), for small single-board computers WITH SMALL LCD SCREENS TO RUN THE TICKER 24/7 (ALL THE TIME)."
echo " "
echo "It is ONLY recommended to install this ticker app IF your device has an LCD screen installed.${reset}"
echo " "
echo "${yellow}This script MAY NOT work on ALL Debian-based / RedHat-based system setups.${reset}"
echo " "
echo "${cyan}Your operating system has been detected as:"
echo " "
echo "$OS v$VER${reset}"
echo " "
echo "${red}USE A #FULL# DESKTOP SETUP, #NOT# LITE, OR YOU LIKELY WILL HAVE SOME #UNICODE SYMBOL ISSUES# WITH CHROMIUM BROWSER EVEN AFTER UPGRADING TO GUI / CHROME (trust me)."
echo " "
echo "(Chromium, Epiphany, and Firefox are supported [firefox is recommended for reliability, all these browsers will be installed if available])${reset}"
echo " "
echo "${yellow} "
read -n1 -s -r -p $"PRESS ANY KEY to continue..." key
echo "${reset} "
if [ "$key" = 'y' ] || [ "$key" != 'y' ]; then
echo " "
echo "${green}Continuing...${reset}"
echo " "
fi
echo " "
if [ -f /home/$APP_USER/slideshow-crypto-ticker/config.js ]; then
echo "${yellow}A configuration file from a previous install of Slideshow Crypto Ticker has been detected on your system."
echo " "
echo "${green}During this upgrade / re-install, it will be backed up to:"
echo " "
echo "/home/$APP_USER/slideshow-crypto-ticker/config.js.BACKUP.$DATE${reset}"
echo " "
echo "This will save any custom settings within it."
echo " "
echo "You will need to manually move any custom settings in this backup file to the new config.js file with a text editor.${reset}"
echo " "
echo "${red}IF ANYTHING STOPS WORKING AFTER UPGRADING, CLEAR YOUR BROWSER CACHE (temporary files), AND RELOAD OR RESTART THE APP. This will load the latest Javascript / Style Sheet upgrades properly.${reset}"
echo " "
fi
echo "${yellow}PLEASE REPORT ANY ISSUES HERE: $ISSUES_URL${reset}"
echo " "
echo "${yellow} "
read -n1 -s -r -p $"Press Y to continue (or press N to exit)..." key
echo "${reset} "
if [ "$key" = 'y' ] || [ "$key" = 'Y' ]; then
echo " "
echo "${green}Continuing...${reset}"
echo " "
else
echo " "
echo "${green}Exiting...${reset}"
echo " "
exit
fi
echo " "
######################################
# If we are NOT running raspi os, AND lxde desktop IS NOT INSTALLED,
# then we offer the option to install LXDE
# (UNLESS IT'S UBUNTU, WHICH DOES NOT LIKE OUR AUTO-CONFIG *TO SAY THE LEAST*)
if [ "$IS_UBUNTU" == "" ] && [ ! -f /usr/bin/raspi-config ] && [ ! -d /etc/xdg/lxsession ]; then
echo "${red}WE NEED TO MAKE SURE LXDE #AND# LIGHTDM ARE INSTALLED, IF YOU WANT THE TICKER TO #AUTOMATICALLY RUN ON SYSTEM STARTUP# / REBOOT."
echo " "
echo "CHOOSE \"LIGHTDM\" IF ASKED, FOR \"AUTO-LOGIN AT BOOT\" CAPABILITIES.${reset}"
echo " "
echo "${yellow}Select 1 or 2 to choose whether to install LXDE Desktop, or skip.${reset}"
echo " "
OPTIONS="setup_lxde skip"
select opt in $OPTIONS; do
if [ "$opt" = "setup_lxde" ]; then
echo " "
echo "${cyan}Installing LXDE desktop and required components, please wait...${reset}"
echo " "
$PACKAGE_INSTALL xserver-xorg lightdm lxde -y
sleep 3
# Enable GUI on boot
systemctl set-default graphical
echo " "
echo "${cyan}LXDE desktop has been installed.${reset}"
echo " "
break
elif [ "$opt" = "skip" ]; then
echo " "
echo "${green}Skipping LXDE desktop installation...${reset}"
break
fi
done
elif [ "$IS_UBUNTU" != "" ]; then
echo "${red}THIS AUTO-INSTALL SCRIPT IS *NOT* CURRENTLY COMPATIBLE WITH UBUNTU (LXDE auto-login does NOT work, and CORRUPTS Ubuntu's Desktop login screen). PLEASE USE A DIFFERENT OPERATING SYSTEM FOR NOW (Debian / RaspberryPi OS, Armbian, etc)."
echo "${yellow} "
read -n1 -s -r -p $"PRESS ANY KEY to exit..." key
echo "${reset} "
if [ "$key" = 'y' ] || [ "$key" != 'y' ]; then
echo " "
echo "${green}Exiting...${reset}"
echo " "
exit
fi
fi
######################################
# SET EARLY (IMMEADIATELY #AFTER# ANY LXDE INSTALL ABOVE), AS WE USE THIS IN A FEW PLACES
# KNOWN raspi LXDE profile
if [ -d /etc/xdg/lxsession/LXDE-pi ]; then
LXDE_PROFILE="LXDE-pi"
# UNKNOWN generic LXDE profile
elif [ -d /etc/xdg/lxsession/LXDE ]; then
# Auto-detect or set to KNOWN LXDE default
# Unfortunately not much documentation on listing LXDE profile names,
# BUT looks fairly reliable to just check in /etc/xdg/lxsession
# (IT SHOULD EXIST ALREADY AT THIS POINT)
LXDE_PROFILE=$(ls /etc/xdg/lxsession)
LXDE_PROFILE=$(echo "${LXDE_PROFILE}" | xargs) # REMOVE any whitespace ON ENDS ONLY
LXDE_PROFILE=$(echo "${LXDE_PROFILE}" | sed "s/LXDE //") # REMOVE "LXDE "
# If LXDE profile var was NOT auto-setup properly
# (contains whitespace MID-VARIABLE or is empty),
# go with KNOWN default from LXDE documentation
if [[ $LXDE_PROFILE =~ " " ]] || [ -z "$LXDE_PROFILE" ]; then
LXDE_PROFILE="LXDE"
LXDE_ALERT=1
fi
else
echo " "
echo "${red}LXDE Desktop NOT detected (please install it, it is REQUIRED to continue).${reset}"
echo "${yellow} "
read -n1 -s -r -p $"PRESS ANY KEY to exit..." key
echo "${reset} "
if [ "$key" = 'y' ] || [ "$key" != 'y' ]; then
echo " "
echo "${green}Exiting...${reset}"
echo " "
exit
fi
fi
######################################
# If LXDE is installed
if [ -d /etc/xdg/lxsession ]; then
echo "${red}WE NEED TO MAKE SURE LXDE #AND# LIGHTDM AUTO-LOGIN AT STARTUP, AS THE USER '${APP_USER}', IF YOU WANT THE TICKER TO #AUTOMATICALLY RUN ON SYSTEM STARTUP# / REBOOT."
echo " "
echo "CHOOSE \"LIGHTDM\" IF ASKED, FOR \"AUTO-LOGIN AT BOOT\" CAPABILITIES.${reset}"
echo " "
echo "${yellow}Select 1 or 2 to choose whether to setup LXDE Desktop auto-login, or skip.${reset}"
echo " "
OPTIONS="autologin_lxde skip"
select opt in $OPTIONS; do
if [ "$opt" = "autologin_lxde" ]; then
echo " "
echo "${cyan}Configuring lightdm auto-login at boot for user '${APP_USER}', please wait...${reset}"
echo " "
# Auto-login LXDE logic...
if [ -d /etc/lightdm/lightdm.conf.d ]; then
CHECK_LIGHTDM_D=$(ls /etc/lightdm/lightdm.conf.d)
CHECK_LIGHTDM_D=$(echo "${CHECK_LIGHTDM_D}" | xargs) # trim whitespace
else
CHECK_LIGHTDM_D=""
fi
if [ ! -f /etc/lightdm/lightdm.conf ] && [ -z "$CHECK_LIGHTDM_D" ]; then
# Don't nest / indent, or it could malform the settings
read -r -d '' LXDE_AUTO_LOGIN <<- EOF
\r
autologin-user=$APP_USER
user-session=LXDE
autologin-session=lxde
\r
EOF
# Setup LXDE to run at boot
touch /etc/lightdm/lightdm.conf
echo -e "$LXDE_AUTO_LOGIN" > /etc/lightdm/lightdm.conf
elif [ -f /etc/lightdm/lightdm.conf ]; then
DETECT_AUTOLOGIN=$(sudo sed -n '/autologin-user=/p' /etc/lightdm/lightdm.conf)
if [ "$DETECT_AUTOLOGIN" != "" ]; then
sed -i "s/#autologin-user=.*/autologin-user=${APP_USER}/g" /etc/lightdm/lightdm.conf
sleep 2
sed -i "s/autologin-user=.*/autologin-user=${APP_USER}/g" /etc/lightdm/lightdm.conf
elif [ "$DETECT_AUTOLOGIN" == "" ]; then
sudo bash -c "echo 'autologin-user=${APP_USER}' >> /etc/lightdm/lightdm.conf"
fi
sleep 2
sed -i "s/user-session=.*/user-session=LXDE/g" /etc/lightdm/lightdm.conf
sed -i "s/autologin-session=.*/autologin-session=lxde/g" /etc/lightdm/lightdm.conf
elif [ -n "$CHECK_LIGHTDM_D" ]; then
# Find the PROPER config file in the /lightdm.conf.d/ directory
LIGHTDM_CONFIG_FILE=$(grep -r 'user-session' /etc/lightdm/lightdm.conf.d | awk -F: '{print $1}')
LIGHTDM_CONFIG_FILE=$(echo "${LIGHTDM_CONFIG_FILE}" | xargs) # trim whitespace
DETECT_AUTOLOGIN=$(sudo sed -n '/autologin-user=/p' $LIGHTDM_CONFIG_FILE)
if [ "$DETECT_AUTOLOGIN" != "" ]; then
sed -i "s/#autologin-user=.*/autologin-user=${APP_USER}/g" $LIGHTDM_CONFIG_FILE
sleep 2
sed -i "s/autologin-user=.*/autologin-user=${APP_USER}/g" $LIGHTDM_CONFIG_FILE
elif [ "$DETECT_AUTOLOGIN" == "" ]; then
sudo bash -c "echo 'autologin-user=${APP_USER}' >> ${LIGHTDM_CONFIG_FILE}"
fi
sleep 2
sed -i "s/user-session=.*/user-session=LXDE/g" $LIGHTDM_CONFIG_FILE
sed -i "s/autologin-session=.*/autologin-session=lxde/g" $LIGHTDM_CONFIG_FILE
else
echo "${cyan}AUTO-LOGIN CONFIGURATION ERROR, AUTO-LOGIN #NOT# SETUP!${reset}"
fi
sleep 2
# Enable GUI on boot
systemctl set-default graphical
echo " "
echo "${green}LXDE desktop auto-login has been configured.${reset}"
echo " "
# If we are running dietpi OS, WARN USER AN ADDITIONAL STEP #MAY# BE NEEDED
if [ -f /boot/dietpi/.version ]; then
echo "${red}DietPi #SHOULD NOT REQUIRE# USING THE dietpi-autostart UTILITY TO SET LXDE TO AUTO-LOGIN AS THE USER '${APP_USER}', SINCE #WE JUST SETUP LXDE AUTO-LOGIN ALREADY#.${reset}"
fi
break
elif [ "$opt" = "skip" ]; then
echo " "
echo "${green}Skipping LXDE desktop setup...${reset}"
break
fi
done
else
echo "${red}THIS TICKER #REQUIRES# RUNNING #LIGHTDM# AND THE DESKTOP INTERFACE #LXDE# IN AUTO-LOGIN MODE AT STARTUP, AS THE USER '${APP_USER}', IF YOU WANT THE TICKER TO #AUTOMATICALLY RUN ON SYSTEM STARTUP# / REBOOT.${reset}"
fi
echo " "
######################################
echo "Do you want this script to automatically download the latest version of Slideshow Crypto Ticker from Github.com, and install it?"
echo " "
echo "(auto-install will overwrite / upgrade any previous install located at: /home/$APP_USER/slideshow-crypto-ticker)"
echo " "
echo "${yellow}Select 1, 2, or 3 to choose whether to auto-install / remove Slideshow Crypto Ticker, or skip.${reset}"
echo " "
OPTIONS="install_ticker_app remove_ticker_app skip"
select opt in $OPTIONS; do
if [ "$opt" = "install_ticker_app" ]; then
echo " "
echo "${cyan}Proceeding with required component installation, please wait...${reset}"