#!/bin/bash

install_package() {
	# These stacked ifs are just a stopgap until proper trapping.
	echo -n "# Installing package $PACKAGE... "
	apt-get $INSTALLOPTIONS install ${PACKAGE}
	ERR=$?
	if [ "$ERR" -ne 0 ]; then
		echo
		echo "# Could not install package $PACKAGE - Error number $ERR!"
		echo -n "# Trying an apt-get update..."
		apt-get update 2>/dev/null 1>&2
		ERR=$?
		if [ "$ERR" -ne 0 ]; then
			echo
			echo "# apt-get update has thrown error number $ERR. You need to take care"
			echo "# of this by hand. Commencing installation."
		else
			echo " ok."
			echo -n "# Retrying installing package $PACKAGE... "
			apt-get $INSTALLOPTIONS install ${PACKAGE} 2>/dev/null 1>&2
			ERR=$?
			if [ "$ERR" -ne 0 ]; then
				perror "Could not install $PACKAGE. Giving up."
			else
				echo "ok."
			fi
		fi
	else
		echo "ok."
	fi
}

install_packages() {
	local NEEDED_PACKAGES="$2"

	echo "#"
	echo "# Installing packages. This may take a while."
	echo "#"

	case "$1" in
		NOREC)	INSTALLOPTIONS="-qq -y --no-install-recommends"
			for PACKAGE in $NEEDED_PACKAGES; do
				install_package
			done
			;;
		RECOM)	INSTALLOPTIONS="-qq -y"
			for PACKAGE in $NEEDED_PACKAGES; do
				install_package
			done
	esac
}