build.sh

#!/usr/bin/env bash

main() {

  # These are declared in the netlify.toml file.
  # declare DART_SASS_VERSION=1.63.5
  # declare STORK_VERSION=1.5.0

  declare STORK_CONFIG_FILE=stork.config.json   # generated by hugo
  declare STORK_INDEX_FILE=stork.index.json     # generated by stork (json suffix triggers gzip/br compression)
  declare STORK_EXEC=stork-ubuntu-20-04
  declare STORK_URL="https://github.com/jameslittle230/stork/releases/download/v${STORK_VERSION}/${STORK_EXEC}"
  declare HUGO_PUBLISH_DIR=public

  # Install Stork if it's not already installed.
  if [[ ! -f "${STORK_EXEC}" ]]; then
    echo -e "\nInstalling Stork...\n"
    wget --no-verbose "${STORK_URL}" ||
      { echo "Error: unable to wget ${STORK_URL}"; exit 1; }
    chmod +x "${STORK_EXEC}" ||
      { echo "Error: unable to chmod ${STORK_EXEC}"; exit 1; }
  fi

  # Install Dart Sass.
  echo "Installing Dart Sass..."
  curl -LJO https://github.com/sass/dart-sass/releases/download/${DART_SASS_VERSION}/dart-sass-${DART_SASS_VERSION}-linux-x64.tar.gz
  tar -xf dart-sass-${DART_SASS_VERSION}-linux-x64.tar.gz
  rm dart-sass-${DART_SASS_VERSION}-linux-x64.tar.gz
  export PATH=/opt/build/repo/dart-sass:$PATH

  # Configure Git
  # See https://github.com/gohugoio/hugo/issues/9810
  if [[ "${CI:-false}" == "true" ]]; then
    git config --global core.quotepath false ||
      { echo "Error: unable to configure Git"; exit 1; }
  fi

  # Build the site.
  echo -e "\nBuilding site...\n"
  hugo --gc --minify ||
    { echo "Error: unable to run hugo"; exit 1; }

  # Build the Stork index.
  echo -e "\nBuilding Stork index...\n"
  ./${STORK_EXEC} build --input "${HUGO_PUBLISH_DIR}/${STORK_CONFIG_FILE}" --output "${HUGO_PUBLISH_DIR}/${STORK_INDEX_FILE}" ||
    { echo "Error: unable to run stork"; exit 1; }
}

set -euo pipefail
main "$@"