#!/bin/bash
#
# ----------------------------------------------------------------------
#
# Description: Automates adding an Ubuntu PPA to a Debian installation
#
# Author: Maccus
#
# Initial version: 111222-01
#
# Update: 111224-01
# - Added menu to select distribution codename
#
# Requires: apt-get
#
# This script has been written and tested on
# Ubuntu Linux 10.04 and Debian Testing (Wheezy)
#
# ----------------------------------------------------------------------
#
# Usage: Place the script in "/usr/local/bin", do a
# "chmod +x /usr/local/bin/system-ppa2debian" as root,
# and run "system-ppa2debian ppa:ppa_user/ppa_name" from the command line.
#
# ----------------------------------------------------------------------
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# ----------------------------------------------------------------------
#
# Uncomment for debugging
#
# set -x

# Start script

echo -e "\n\033[1;33mSTATUS\033[0m: Script \"$(basename $0)\" is gestart...\n"

# Check to see if we are root.

if [ "${UID}" != "0" ]; then

 echo -e "You must be root !!\n"

 sleep 2

 exit 1

fi

if [ $# -eq 1 ]; then

    NM="$(uname -a && date)"
    NAME="$(echo ${NM} | md5sum | cut -f1 -d " ")"
    PPA="$(echo "$1" | cut -d ":" -f2 -s)"
    PPAFORMAT="$(echo ${PPA} | tr "/" "-")"
    PPADESC="$(echo ${PPA} | sed 's|.*\/||;s|\-| |g;s/\<./\U&/g')"

    echo "Choose Ubuntu distribution codename:"

    select CNAME in lucid maverick natty oneiric precise; do

	CODENAME="${CNAME:=maverick}" && break

    done

    if [ -z "${PPA}" ]; then

	echo "PPA name not found!"
	echo "Utility to add PPA repositories to your Debian machine"
	echo "USAGE: $0 ppa:ppa_user/ppa_name"

    else

	echo "Adding ${PPADESC} PPA..."

	echo "deb http://ppa.launchpad.net/${PPA}/ubuntu ${CODENAME} main #${PPADESC} PPA" >> /etc/apt/sources.list.d/${PPAFORMAT}-${CODENAME}.list

	apt-get update >> /dev/null 2> /tmp/${NAME}_apt_add_key.txt

	KEY="$(cat /tmp/${NAME}_apt_add_key.txt | cut -d":" -f6 | cut -d" " -f3)"

	apt-key adv --keyserver keyserver.ubuntu.com --recv-keys ${KEY}

	rm -rf /tmp/${NAME}_apt_add_key.txt

    fi

else

	echo "Utility to add PPA repositories to your Debian machine"
	echo "USAGE: $0 ppa:user/ppa_name"

fi