#!/usr/bin/env bash

DEPLOY_HOST=$1
DEPLOY_ADDRESS=$2
DEPLOY_PORT=$3

if [ -z $DEPLOY_HOST ]; then
  exit 1
fi

cmd=" \
nixos-rebuild switch \
  -I nixos-config=hosts/${DEPLOY_HOST}/configuration.nix --show-trace\
"

if [ -z $DEPLOY_ADDRESS ] || [ $DEPLOY_ADDRESS = "-" ]; then
  DEPLOY_ADDRESS="clerie@${DEPLOY_HOST}.net.clerie.de"
fi

if [ $DEPLOY_ADDRESS != "localhost" ]; then
  cmd="${cmd} \
  --target-host ${DEPLOY_ADDRESS} \
  --build-host localhost \
  --use-remote-sudo \
  "
fi

if [ -n "$DEPLOY_PORT" ]; then
  cmd="NIX_SSHOPTS=\"-p $DEPLOY_PORT\" ${cmd}"
fi

eval ${cmd}