#!/usr/bin/env bash

cd $(dirname $0)

if [ -z "$@" ]; then
	NIXHOSTLIST=$(ls node)
else
	NIXHOSTLIST="$@"
fi

for NIXHOST in $NIXHOSTLIST; do
	NIXHOST=${NIXHOST%.*}

	if [ -z "$SSH_USER" ]; then
		SSH_DEST=$NIXHOST
	else
		SSH_DEST=$SSH_USER@$NIXHOST
	fi

	echo "==== DOING $NIXHOST ===="

	cat configuration.nix | ssh -F ssh_config $SSH_DEST sudo tee /etc/nixos/configuration.nix > /dev/null
	cat node/$NIXHOST.nix | ssh -F ssh_config $SSH_DEST sudo tee /etc/nixos/node.nix > /dev/null
	ssh -F ssh_config $SSH_DEST sudo nixos-rebuild switch
done