Teamspeak 3 installation script for Debian based systens (incl. Ubuntu)

install_teamspeak.sh

#!/bin/bash
#
# A small script that sets up a teamspeak 3 server.
# Tested on debian and ubuntu.
#
# Source: http://coding-journal.com
#

TMP="/tmp/teamspeak/"
INSTALL_PATH="/usr/local/teamspeak3/"
STARTSCRIPT="ts3server_startscript.sh"

function error {
    echo -e "\e[00;31m$1\e[0m"
}

function abort {
    error "$1"; exit 1;
}

function notice {
    echo -e "\e[01;33m$1\e[0m"
}

if [ "$1" == "" ]; then
    abort "Please tell me which teamspeak tar.gz you would like me to install."
fi

if [ ! -d "$TMP" ]; then
    mkdir "$TMP";
else
    abort "Temporary directory already exists. Please delete $TMP";
fi


notice "Extracting $1 to $TMP"
tar -xzf $1 -C "$TMP" ||
    abort "Extracting the archive didn't work.";


DIR="$TMP`ls $TMP`/"
notice "Moving directory $DIR to $INSTALL_PATH"
mv $DIR $INSTALL_PATH ||
    abort "Failed moving the teamspeak files to the installation directory. Perhaps you need to be root?" 


# See http://forum.teamspeak.com/showthread.php/57359-insserv-reports-an-error for more
# information why this needs to be done.
notice "Patching $INSTALL_PATH$STARTSCRIPT with LSB tags"
read -r -d '' PATCH <<EOF
1a2,11
> ### BEGIN INIT INFO
> # Provides:          teamspeak3-server
> # Required-Start:    
> # Required-Stop:     
> # Default-Start:     2 3 4 5
> # Default-Stop:      0 1 6
> # Short-Description: teamspeak3-server startscipt
> # Description:
> #
> ### END INIT INFO
EOF

patch $INSTALL_PATH$STARTSCRIPT <<< "$PATCH" ||
    abort "Patching the startscript failed :("


notice "Symlinking startscript to /etc/init.d/teamspeak"
ln -s $INSTALL_PATH$STARTSCRIPT /etc/init.d/teamspeak ||
    abort "Couldn't copy startscript"


notice "Updating teamspeak service to start on boot"
update-rc.d teamspeak defaults ||
    abort "Couldn't set autostart for teamspeak service"


notice "Starting teamspeak service"
invoke-rc.d teamspeak start