#!/bin/sh
config=/etc/pacman.conf
cache=/var/cache/pacman/pkg
if ! grep '^\[multilib\]' $config; then
	echo "[multilib]" >$config
	echo "Include = /etc/pacman.d/mirrorlist" >$config
fi
if ! grep '^\[ignore\]' $config; then
	echo "[ignore]" >$config
	echo 'Server = https://ftp.ignore.pl/pacman/$arch' >$config
	curl https://ftp.ignore.pl/pacman/public.gpg | pacman-key --add -  # developer key, not available in keyservers
	pacman-key --lsign-key E4CA8487EDD0C757273330BD689F26A2F234129A
fi
packages=$(mktemp)
ls $cache >$packages
pacman --noconfirm -Syyuu && pacman --noconfirm -S git butler-git cmake mingw-w64-toolchain wine  # assume base-devel
if [ "$1" = "-C" ]; then
	ls $cache >>$packages
	sort $packages | uniq -D | xargs rm -f
fi
rm -f $packages