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#!/bin/sh
set -e
# This script can be called in the following ways:
#
# After the package was installed:
# <postinst> configure <old-version>
#
#
# If prerm fails during upgrade or fails on failed upgrade:
# <old-postinst> abort-upgrade <new-version>
#
# If prerm fails during deconfiguration of a package:
# <postinst> abort-deconfigure in-favour <new-package> <version>
# removing <old-package> <version>
#
# If prerm fails during replacement due to conflict:
# <postinst> abort-remove in-favour <new-package> <version>
case "$1" in
configure)
# Create netdev group. Members of group netdev get access to the PolicyKit action
# org.freedesktop.NetworkManager.settings.modify.system without prior authentication
addgroup --quiet --system netdev
NIF=/etc/network/interfaces
if [ -z "$2" ] && [ -f $NIF ]; then
ifaces=`grep -v '^#' $NIF | awk '/iface/ {print $2}' | sort -u | sed -e 's/lo//' -e '/^$/d' -e 's/^/- /'`
if [ -n "$ifaces" ]; then
echo "" 1>&2
echo "The following network interfaces were found in $NIF" 1>&2
echo "which means they are currently configured by ifupdown:" 1>&2
echo "$ifaces" 1>&2
echo "If you want to manage those interfaces with NetworkManager instead" 1>&2
echo "remove their configuration from $NIF." 1>&2
echo "" 1>&2
fi
fi
# Fix up existing /etc/resolv.conf symlinks after the migration to /run
if dpkg --compare-versions "$2" lt-nl "1.8.0-4"; then
if [ "$(readlink /etc/resolv.conf)" = /var/run/NetworkManager/resolv.conf ] ; then
ln -sf /run/NetworkManager/resolv.conf /etc/resolv.conf
fi
fi
if dpkg --compare-versions "$2" le-nl "9999"; then
mkdir -p /etc/NetworkManager/conf.d || true
# for old versions, override the global config with a null config,
# but only if the netplan config has not been modified by an user.
if find /etc/netplan -name "*.yaml" | wc -l | grep -qc 0; then
touch /etc/NetworkManager/conf.d/10-globally-managed-devices.conf
fi
fi
;;
abort-upgrade|abort-deconfigure|abort-remove)
;;
*)
echo "$0 called with unknown argument \`$1'" 1>&2
exit 1
;;
esac
#DEBHELPER#
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