#!/usr/bin/env bash
set -e


pushd ~/nixos/
git add .
alejandra . &>/dev/null \
  || (alejandra . ; echo "formatting failed!" && exit 1)

echo "Updating flake"
nix flake update

echo "Checking for changes"
git restore --staged .
if git diff --quiet ; then
  echo "No changes, exiting."
  popd
  exit 0
fi

git add .
echo "New changes, Rebuilding..."
sudo nixos-rebuild switch --upgrade --flake .

current=$(nixos-rebuild list-generations | grep current)
echo "Pushing new changes"

git commit -am "$current"
git push

popd