VueTorrent Self Update

update_vuetorrent.sh

#!/bin/bash

# need to have bsdtar installed to get it on raspberry pi 
# sudo apt install libarchive-tools

# Use \033 if you need OS X compatibility
# e.g. RED='\033[0;31m' && echo -e ${RED}"My red text"...

# Reset
Color_Off='\e[0m'       # Text Reset

# Regular Colors
Black='\e[0;30m'        # Black
Red='\e[0;31m'          # Red
Green='\e[0;32m'        # Green
Yellow='\e[0;33m'       # Yellow
Blue='\e[0;34m'         # Blue
Purple='\e[0;35m'       # Purple
Cyan='\e[0;36m'         # Cyan
White='\e[0;37m'        # White

# Bold
BBlack='\e[1;30m'       # Black
BRed='\e[1;31m'         # Red
BGreen='\e[1;32m'       # Green
BYellow='\e[1;33m'      # Yellow
BBlue='\e[1;34m'        # Blue
BPurple='\e[1;35m'      # Purple
BCyan='\e[1;36m'        # Cyan
BWhite='\e[1;37m'       # White

function banner {
cat << EOF

██╗░░░██╗██╗░░░██╗███████╗████████╗░█████╗░██████╗░██████╗░███████╗███╗░░██╗████████╗
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╚██╗░██╔╝██║░░░██║█████╗░░░░░██║░░░██║░░██║██████╔╝██████╔╝█████╗░░██╔██╗██║░░░██║░░░
░╚████╔╝░██║░░░██║██╔══╝░░░░░██║░░░██║░░██║██╔══██╗██╔══██╗██╔══╝░░██║╚████║░░░██║░░░
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░░░╚═╝░░░░╚═════╝░╚══════╝░░░╚═╝░░░░╚════╝░╚═╝░░╚═╝╚═╝░░╚═╝╚══════╝╚═╝░░╚══╝░░░╚═╝░░░
Updater script                                                 Developed by cybersholt

EOF
}

function version { echo "$@" | awk -F. '{ printf("%d%03d%03d%03d\n", $1,$2,$3,$4); }'; }

## Example contents of version file.
## {"version" : "1.6.0"}

function write_version {
cat <<EOF >/home/cyber/vue_last.txt
{"version" : "$new_version"}
EOF
}

# 1. Create ProgressBar function
# 1.1 Input is currentState($1) and totalState($2)
function ProgressBar {
# Process data
    let _progress=(${1}*100/${2}*100)/100
    let _done=(${_progress}*4)/10
    let _left=40-$_done
# Build progressbar string lengths
    _fill=$(printf "%${_done}s")
    _empty=$(printf "%${_left}s")

# 1.2 Build progressbar strings and print the ProgressBar line
# 1.2.1 Output example:                           
# 1.2.1.1 Progress : [########################################] 100%
printf "\rProgress : [${_fill// /#}${_empty// /-}] ${_progress}%%"

}

# Variables
_start=1

# This accounts as the "totalState" variable for the ProgressBar function
_end=100

# call the banner 
banner


ProgressBar 20 ${_end}

# get the current version 
current_version=`cat vue_last.txt | jq -r '.version'`
ProgressBar 40 ${_end}
# new version 
new_version=`wget -q -O- https://api.github.com/repos/WDaan/VueTorrent/releases/latest | jq -r '.tag_name' | sed 's/v//'`
ProgressBar 60 ${_end}
# get the URL of the latest release 
target=`wget -q -O- https://api.github.com/repos/WDaan/VueTorrent/releases/latest | jq -r '.assets[].browser_download_url'`
ProgressBar 80 ${_end}

if [ $(version $current_version) -ge $(version $new_version) ]; then
    ProgressBar 100 ${_end}
    echo " "
    echo -e "${Green}Version $current_version is up to date."
else
    ProgressBar 100 ${_end}
    echo " "
    echo -e "Version is outdated ${Red}$current_version${Color_Off}, new version is ${Green}$new_version${Color_Off}"
    read -p "Do you want to update? [y/n]: " yn
        case $yn in
        [Yy]* ) `rm -rf /home/cyber/config/qBittorrent/public/ | wget -qO- $target | bsdtar -xvf- -C /home/cyber/config/qBittorrent | write_version`;;
        [Nn]* ) exit;;
        *) printf " \033[31m %s \n\033[0m" "invalid input"
    esac
fi