#!/usr/bin/env bash
shopt -s nullglob

cleanup() {
	chown -R root:root /buildroot
}

# Upgrade
pacman -Suy --noconfirm

# Create a builder user
useradd -U builder
builder_uid=$(id -u builder)
builder_gid=$(id -g builder)

# dir permissions
chown -R "$builder_uid:$builder_gid" /.gnupg /buildroot

# Return the permissions on exit
trap cleanup INT TERM EXIT

# Add sudo permissions for pacman to install dependencies
printf '%s ALL=(ALL) NOPASSWD: /usr/bin/pacman\n' 'builder' > /etc/sudoers.d/builduser

# Workdir
cd /buildroot

# Install all additional packages
deps=( ./deps/* )
[[ $deps ]] && pacman -U "${deps[@]}"

# Build the damn thing
sudo -u builder GNUPGHOME="/.gnupg" makepkg "$@"

chown -R root:root /buildroot