Disable Apt Cacher while on the go

50-aptcacherng

#!/bin/sh

MY_CACHER=

IFACE=$1
STATUS=$2
THE_LINE="Acquire::http::Proxy \"http://$MY_CACHER:3142\";"
THE_FILE="/etc/apt/apt.conf.d/02proxy-ng"

if [ x"$STATUS" = x"up" ]; then
    if tailscale ping --c 1 --timeout 1s $MY_CACHER > /dev/null; then
        echo $THE_LINE | tee $THE_FILE
        echo "Activate Apt-Cacher NG"
    else
        # Make it empty
        echo "" | tee $THE_FILE
        echo "Disable Apt-Cacher NG"
    fi
fi