# vim: set ft=bash:
set -eo pipefail
# Build different targets with GUI or not

arch="$(uname -m)"
if [ "$(uname -s)" == "Darwin" ]; then
	# On macOS
	src="${HOME}/.config/nix/"
	target="${arch}-darwin"
else
	# On Linux/WSL2 systems
	if [ -z "${DISPLAY}" ]; then
		target="${arch}-nogui"
	else
		target="${arch}-gui"
	fi
	src=/etc/nixos
fi

# Build and switch
echo "Building ${target}"
dest=$(mktemp -d)
pushd "${dest}" > /dev/null
nix build --impure "${src}#homeConfigurations.${target}.activationPackage"
./result/activate
popd > /dev/null
rm -r "${dest}"

if [ "$(uname -s)" == "Darwin" ]; then
	for app in ~/.nix-profile/Applications/*.app; do
		echo "Copying '${app}' to Applications"
		cp -r "${app}" "${HOME}/Applications"
	done
fi