liprepoctl.sh

#!/bin/bash

ACTION="$1"
FILENAME="/etc/apt/sources.list.d/lipoffline.list"
ONLINEFILENAME="/etc/apt/sources.list.d/liponline.list"
ACTIVATED=`test -e "$FILENAME"`

. /etc/lsb-release
DIST_CODENAME=$DISTRIB_CODENAME
DIST_VERSION=$DISTRIB_RELEASE

function install_repo()
{
	echo "# offline repository of the linux install party
deb [ arch=amd64 trusted=yes ] file://$1/archives-$DIST_CODENAME $DIST_CODENAME lip" > "$FILENAME"
	echo "deb http://ftp.halifax.rwth-aachen.de/ubuntu/ impish main restricted universe multiverse
deb http://ftp.halifax.rwth-aachen.de/ubuntu/ impish-security main restricted universe multiverse
deb http://ftp.halifax.rwth-aachen.de/ubuntu/ impish-updates main restricted universe multiverse" > "$ONLINEFILENAME"
}

function uninstall_repo()
{
	rm -f "$FILENAME" "$ONLINEFILENAME"
}

case $ACTION in
	"on")
		if [ -z "$2" ]; then
			echo "No repository location specified!"
			exit 2
		fi
		install_repo "$2"
		apt-get -o "Dir::Etc::SourceList=$FILENAME" update
		echo "Repository is now active, remember to call \"$0 off\" to deactivate it when you are done."
		;;
	"off")
		uninstall_repo
		apt-get update
		echo "Repository is now inactive."
		;;
	"check")
		echo "State: $ACTIVATED"
		;;
	*)
		echo "Unknown action $ACTION"
		exit 1
		;;
esac