add_local_repository.sh

#! /usr/bin/env bash

# ============ Settings =============
IP_SERVER=""
PORT_SERVER="9999"
DESC="apt-get proxy"
# ===================================

add ()
{
    if [[ -z "${IP_SERVER}" ]]; then
        echo -n "IP Server: "
        read -e IP_SERVER
    fi

    if [[ -z "${PORT_SERVER}" ]]; then
        echo -n "Port Server: "
        read -e PORT_SERVER
    fi

    echo "[+] Creating /etc/apt/apt.conf.d/01apt-cacher-ng-proxy ..."
    cat > /etc/apt/apt.conf.d/01apt-cacher-ng-proxy <<EOF
Acquire::http { Proxy "http://${IP_SERVER}:${PORT_SERVER}"; };
EOF

    if [[ -f /root/.synaptic/synaptic.conf.backup ]]; then
        echo "[+] Leaving unmodified /root/.synaptic/synaptic.conf ..."
        exit 0
    fi

    echo "[+] Modifying /root/.synaptic/synaptic.conf ..."
    echo "[+] Backing up to /root/.synaptic/synaptic.conf.backup ..."

    cp /root/.synaptic/synaptic.conf /root/.synaptic/synaptic.conf.backup
    sed -i -e 's/^};//g' /root/.synaptic/synaptic.conf
    cat >> /root/.synaptic/synaptic.conf <<EOF
useProxy "1";
httpProxy "${IP_SERVER}";
httpProxyPort "${PORT_SERVER}";
ftpProxy "${IP_SERVER}";
ftpProxyPort "${PORT_SERVER}";
noProxy "";
};
EOF
}

remove()
{
    echo "[-] Removing /etc/apt/apt.conf.d/01apt-cacher-ng-proxy ..."
    echo "[-] Removing modifications to /root/.synaptic/synaptic.conf ..."
    rm /etc/apt/apt.conf.d/01apt-cacher-ng-proxy
    mv /root/.synaptic/synaptic.conf.backup /root/.synaptic/synaptic.conf
}

case "$1" in
        add)
                echo "Adding $DESC: "
                add
                ;;

        remove)
                echo "Deleting $DESC: "
                remove
                ;;

        *)
                echo "Usage: $(basename $0) {add|remove}" >&2
                exit 1
                ;;
esac

exit 0