#!/bin/bash -e

# following to be duplicated within postrm as well, but may be with
# "Removing" message
popcon_conf=/etc/popularity-contest.conf
nd_popcon_conf=/etc/popularity-contest.d/neurodebian.conf
remove_neurodebian_popcon_pre161() {
	# Adjust popularity-contest.conf
	if [ -e "$popcon_conf" ] \
	   && grep -q "http://neuro.debian.net/cgi-bin/popcon-submit.cgi" $popcon_conf; then
		#echo "Removing NeuroDebian url for Popularity Contest submissions."
		# First remove any explicit mentioning and then empty additions
		sed -i -e 's,http://neuro.debian.net/cgi-bin/popcon-submit.cgi,,g' \
			   -e '/SUBMITURLS+=" *"/d' \
			   -e '/SUBMITURLS="$SUBMITURLS *"/d' \
			"$popcon_conf"
	fi
}

add_neurodebian_popcon_pre161() {
	# Adjust main popularity-contest configuration file.  Should be
	# used only with older versions of the popularity contest.
	if [ -e "$popcon_conf" ]; then
		# Fix dashism missing += operator
		if grep -q 'SUBMITURLS+="' "$popcon_conf"; then
			echo "Adjusting addition of new entries in $popcon_conf for dash."
			sed -i -e 's,SUBMITURLS+=",SUBMITURLS="$SUBMITURLS,g' "$popcon_conf"
		fi
		if ! grep -q 'SUBMITURLS.*neuro.debian.net' "$popcon_conf"; then
			echo "Adding NeuroDebian url for Popularity Contest submissions."
			echo -e 'SUBMITURLS="$SUBMITURLS http://neuro.debian.net/cgi-bin/popcon-submit.cgi"' >> "$popcon_conf"
		fi
	fi
}

add_neurodebian_popcon_161() {
	# 1.60 introduced encryption and a way to provide multiple keys to
	# encrypt submissions to multiple servers.

	# "Installation" is taken care of through installing files under
	# /etc/popularity-contest.d, so no additional actions necessary here
	:
}

popcon_version=$(dpkg -l popularity-contest | tail -n 1 | awk '{print $3;}')

if [ "$1" = "configure" -o "$1" = "abort-upgrade" ]; then
	if dpkg --compare-versions $popcon_version lt 1.61; then
		add_neurodebian_popcon_pre161
	else
		# Assure that we have no "old" settings for submission if
		# previous version of our package was old
		if [ "$1" = "configure" ] && [ -z "$2" ] && dpkg --compare-versions "$2" lt 0.33; then
			remove_neurodebian_popcon_pre161 || :
		fi
	fi
fi