let tmpdir = mktemp -d webserver-update.XXXXXXXXXX

def update-npm [package: string] {
  let metadata = http get $'https://registry.npmjs.org/($package)'
  let version = $metadata.dist-tags.latest
  let url = ($metadata.versions | get $version).dist.tarball
  let tarball = ($tmpdir | path join "package.tgz")

  http get $url | save -f $tarball

  let hash = nix hash file $tarball

  {
    url: $url,
    version: $version,
    hash: $hash
  }
}

# Update bulma
let metadata = http get https://api.github.com/repos/jgthms/bulma/releases/latest
let bulma_prefetch = nix-prefetch-github --rev $metadata.tag_name --json jgthms bulma | from json

let bulma = $bulma_prefetch | insert version $metadata.name
let fontsource_scss = update-npm @fontsource-utils/scss
let fontsource_arimo = update-npm @fontsource-variable/arimo
let fontsource_nunito = update-npm @fontsource-variable/nunito