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CumulusNetworks-ifupdown2/debian/ifupdown2.postinst
Roopa Prabhu 59dad2ca80 debian: sync debian files with from upstream debian repo
These include changes that were done to move ifupdown2
to use pybuild and some debian policy fixes

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
2015-12-20 23:06:12 -08:00

77 lines
2.5 KiB
Bash

#!/bin/sh
# postinst script for ifupdown2
#
# see: dh_installdeb(1)
set -e
# summary of how this script can be called:
# * <postinst> `configure' <most-recently-configured-version>
# * <old-postinst> `abort-upgrade' <new version>
# * <conflictor's-postinst> `abort-remove' `in-favour' <package>
# <new-version>
# * <postinst> `abort-remove'
# * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
# <failed-install-package> <version> `removing'
# <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package
process_udev()
{
# override default udev bridge and hotplug rules because they interfere with
# networking init script
udev_user_rulesdir=/etc/udev/rules.d/
udev_sys_rulesdir=/lib/udev/rules.d/
if [ -e $udev_user_rulesdir ]; then
udev_ifupdown2_overrides="80-networking.rules
60-bridge-network-interface.rules"
for u in ${udev_ifupdown2_overrides}
do
if [ -e ${udev_sys_rulesdir}/$u -a ! -e ${udev_user_rulesdir}/$u ]; then
(cd ${udev_user_rulesdir} && ln -sf /dev/null $u)
fi
done
fi
}
MYNAME="${0##*/}"
report() { echo "${MYNAME}: $*" ; }
report_warn() { report "Warning: $*" >&2 ; }
report_err() { report "Error: $*" >&2 ; }
case "$1" in
configure)
# Generic stuff done on all configurations
if [ -f /etc/network/interfaces ] ; then
if ! grep -q "^[[:space:]]*iface[[:space:]]\+lo0\?[[:space:]]\+inet[[:space:]]\+loopback\>" /etc/network/interfaces ; then
report_warn "No 'iface lo' definition found in /etc/network/interfaces"
fi
if ! grep -q "^[[:space:]]*\(allow-\|\)auto[[:space:]]\+\(.*[[:space:]]\+\|\)lo0\?\([[:space:]]\+\|$\)" /etc/network/interfaces ; then
report_warn "No 'auto lo' statement found in /etc/network/interfaces"
fi
else # ! -f /etc/network/interfaces
if [ -z "$2" ]; then
echo "Creating /etc/network/interfaces."
echo "# interfaces(5) file used by ifup(8) and ifdown(8)" > /etc/network/interfaces
echo "auto lo" >> /etc/network/interfaces
echo "iface lo inet loopback" >> /etc/network/interfaces
else
report_warn "/etc/network/interfaces does not exist"
fi
fi
process_udev
;;
purge)
;;
esac
#DEBHELPER#
exit 0