#!/bin/sh
set -e

# The default in the template is to have all services enabled. Here, we
# disable services that are not available before the question is asked.
# This way, it is also possible select which services should be enabled
# using preseeding.

. /usr/share/debconf/confmodule

# Returns 0 if the service was actually removed
disable_service() {
	local to_disable="$1"

	db_get apt-setup/services-select-ubuntu
	local services="$RET"

	local new_services s
	if echo "$services" | grep -q $to_disable; then
		new_services=""
		for s in $(echo "$services" | sed "s/,/ /"); do
			if [ "$s" != $to_disable ]; then
				new_services=${new_services:+$new_services, }$s
			fi
		done
		db_set apt-setup/services-select-ubuntu "$new_services"
		return 0
	fi
	return 1
}

# Returns 0 if the service was actually added
enable_service() {
	local to_enable="$1"

	db_get apt-setup/services-select-ubuntu
	local services="$RET"

	if ! echo "$services" | grep -q $to_enable; then
		db_set apt-setup/services-select-ubuntu "${services:+$services, }$to_enable"
		return 0
	fi
}

if ! db_get mirror/suite || [ -z "$RET" ]; then
	db_get cdrom/suite
fi
suite="$RET"

if (! db_get apt-setup/restricted || [ "$RET" = false ]) && \
   (! db_get apt-setup/multiverse || [ "$RET" = false ]); then
	disable_service partner
elif db_get apt-setup/partner && [ "$RET" = true ]; then
	enable_service partner
fi
if db_get apt-setup/extras && [ "$RET" = true ]; then
	enable_service extras
fi

db_get apt-setup/security_host
db_subst apt-setup/services-select-ubuntu SEC_HOST "$RET"
db_subst apt-setup/services-select-ubuntu PARTNER_HOST archive.canonical.com
db_subst apt-setup/services-select-ubuntu EXTRAS_HOST extras.ubuntu.com

db_input medium apt-setup/services-select-ubuntu || true
if ! db_go; then
	exit 10 # back up
fi

# No need to set up proxy here if no services were selected
db_get apt-setup/services-select-ubuntu
[ "$RET" ] || exit 0

# Proxy configuration is common to all services
case $protocol in
    http|https)
	if db_get mirror/$protocol/proxy && [ -n "$RET" ]; then
		proxy="$RET"
		if ! grep -iq "Acquire::$protocol::Proxy" $ROOT/etc/apt/apt.conf.new; then
			echo "Acquire::$protocol::Proxy \"$proxy\";" >> $ROOT/etc/apt/apt.conf.new
		fi
	fi
	;;
esac