ARCH=arm64
OS=mac

# get the latest version
curl --silent https://api.github.com/repos/caddyserver/xcaddy/releases/latest \
  | grep browser_download_url \
  | cut -d : -f 2,3 \
  | tr -d \" \
  | grep $ARCH \
  | grep $OS \
  > .latest_download

redo-ifchange .latest_download
curl --location --silent $(cat .latest_download) \
  | tar xf - -O xcaddy > $3

chmod +x $3