#!/bin/sh
set -e

# most of this file makes sense to execute regardless of whether this is any
# of normal "configure" or error-handling "abort-upgrade", "abort-remove" or
# "abort-deconfigure"

groupadd --system frrvty
groupadd --system frr
useradd \
	--system \
	-c "Frr routing suite" \
	-g frr \
	--home-dir /nonexistent \
	--no-create-home \
	frr
usermod -a -G frrvty frr

mkdir -m 0755 -p /var/log/frr
mkdir -m 0700 -p /var/lib/frr
mkdir -p /etc/frr

chown frr: /var/lib/frr

rmsum() {
       fname="$1"
       test -f "$1" || return 0
       fhash="`sha1sum \"$fname\"`"
       fhash="${fhash%% *}"
       if test "$fhash" = "$2"; then
               rm "$fname"
       fi
}

case "$1" in
configure)
	if test -f /etc/frr/.pkg.frr.nointegrated; then
		# remove integrated config setup
		# (if checksums match, the files match freshly installed
		# defaults, but the user has split config in place)
		rmsum /etc/frr/vtysh.conf 5e7e3a488c51751e1ff98f27c9ad6085e1ad9cbb
		rmsum /etc/frr/frr.conf   dac6f2af4fca9919ba40eb338885a5d1773195c8
		rm /etc/frr/.pkg.frr.nointegrated
	fi
	;;
esac

#DEBHELPER#