#!/bin/bash
# flour: package management with extras
# by breadw

declare -a to_install
declare -a to_remove
declare -a to_upgrade
upgrade_all=false

usage()
{
	case "$1" in
		[0-9]*) ec="$1"; shift ;;
		*) ec=0 ;;
	esac
	if [ "$#" -gt 0 ]; then
		printf '!! flour: %s\n\n' "$*"
	fi
	sed -n '2,3s/#* *//p' "$0"
	echo
	cat <<-ENDUSAGE
	usage: flour COMMAND [PACKAGE...]
	COMMANDS:
		-l	list packages
		-i PKG	install PKG
		-r PKG	remove PKG
		-u PKG	update PKG
		-U	update all packages
	ENDUSAGE
	exit "$ec"
}

main()
{
	while getopts hli:r:u:U opt; do
		case "$opt" in
			h) usage ;;
			l) list && exit ;;
			i) ;;
			r) ;;
			u) ;;
			U) ;;
			\?) usage 2 ;;
			*) usage 2 ;;
		esac
	done
}