source: scripts/usr/local/lib/7dtd/commands/updatescripts.sh@ 72

#!/bin/bash

# Checks for newer scripts version and downloads them

sdtdCommandUpdatescripts() {
        local LOCAL=$(cat /usr/local/lib/7dtd/VERSION | grep "Version" | cut -d\  -f2)
        local REMOTE=$(wget -qO- http://illy.bz/fi/7dtd/VERSION | grep "Version" | cut -d\  -f2)
        
        local FORCED
        if [ "$1" = "--force" ]; then
                FORCED=yes
        else
                FORCED=no
        fi
        if [ "$FORCED" = "yes" -o $REMOTE -gt $LOCAL ]; then
                echo "A newer version of the scripts is available."
                echo "Local:     v.$LOCAL"
                echo "Available: v.$REMOTE"
                echo
                echo "Please check the release notes before continuing:"
                echo "  https://7dtd.illy.bz/wiki/Release%20Notes"
                echo
                
                while : ; do
                        local CONTINUE
                        read -p "Continue? (yn) " CONTINUE
                        case $CONTINUE in
                                y)
                                        echo "Updating..."
                                        break
                                        ;;
                                n)
                                        echo "Canceled"
                                        return
                                        ;;
                                *)
                                        echo "Wrong input"
                        esac
                done
                
                wget -q http://illy.bz/fi/7dtd/management_scripts.tar.gz -O /tmp/management_scripts.tar.gz
                rm -f /usr/local/lib/7dtd/VERSION /usr/local/lib/7dtd/*.sh /usr/local/lib/7dtd/commands/* /usr/local/bin/7dtd.sh
                tar --touch --no-overwrite-dir --exclude=etc/7dtd.conf --exclude=etc/cron.d --exclude=home -xzf /tmp/management_scripts.tar.gz -C /

                chown root.root /etc/init.d/7dtd.sh
                chown root.root /etc/bash_completion.d/7dtd
                chown root.root /usr/local/bin/7dtd.sh
                chown root.root /usr/local/lib/7dtd -R
                chmod 0755 /etc/init.d/7dtd.sh
                chmod 0755 /etc/bash_completion.d/7dtd
                chmod 0755 /usr/local/bin/7dtd.sh
                chmod 0755 /usr/local/lib/7dtd -R
                
                echo "Update done."
                echo
                echo "Note: This updated only script files. If the global config file"
                echo "/etc/7dtd.conf contains changes for the newer version or there"
                echo "were new files added to the user folder /home/sdtd those changes"
                echo "have not been applied!"
        else
                echo "Scripts are already at the newest version (v.$LOCAL)."
        fi
}

sdtdCommandUpdatescriptsHelp() {
        echo "Usage: $(basename $0) updatescripts [--force]"
        echo
        echo "Check for a newer version of the management scripts. If there is a newer"
        echo "version they can be updated by this command."
        echo
        echo "If --force is specified you are asked if you want to redownload the scripts"
        echo "even if there is no new version available."
}

sdtdCommandUpdatescriptsDescription() {
        echo "Update these scripts"
}

sdtdCommandUpdatescriptsExpects() {
        case $1 in
                2)
                        echo "--force"
                        ;;
        esac
}