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#!/bin/sh
#
# SPDX-License-Identifier: GPL-2.0-only
#
# Make the cloned container aware of squid-deb-proxy settings at start.
# When starting a container, inject the squid-deb-proxy-client proxy
# address in the container's apt configuration.
# This script should be added to templates as a pre-start script, such as:
#lxc.hook.pre-start=/usr/share/lxc/hooks/squid-deb-proxy-client
discovery_script=/usr/share/squid-deb-proxy-client/apt-avahi-discover
proxy_file=/etc/apt/apt.conf.d/50squid-deb-proxy
container_proxy_file=$LXC_ROOTFS_PATH$proxy_file
if [ -f $proxy_file ]; then
# The host has a proxy file - let's propagate the config to the guest.
cat $proxy_file > $container_proxy_file
exit 0
fi
if [ ! -f $discovery_script ]; then
# There is no squid-deb-proxy-client package installed. Do nothing.
exit 0
fi
proxy_line=$($discovery_script) #XXX: Could be multiline?
if [ -n "$proxy_line" ]; then
doc="# Detected at container start from the host's squid-deb-proxy-client"
echo "Acquire::http::proxy \"$proxy_line\"; $doc" > $container_proxy_file
else
if [ -f $proxy_file ]; then
rm $proxy_file
fi
fi
exit 0
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