website-generate

#!/usr/bin/env bash
#
# Generate HTML from markdown files, and copy resources,
# to produce a complete website.
set -o errexit -o nounset -o pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
declare -r SCRIPT_DIR

declare -r WEBSITE="${1:-}"

if [[ -z "${WEBSITE}" ]]; then
  echo >&2 "Usage: $0 <website>"
  exit 1
fi

declare -r WEBSITE_MARKDOWN="${SCRIPT_DIR}/${WEBSITE%%\.*}.markdown"
declare -r WEBSITE_HTML="${SCRIPT_DIR}/${WEBSITE}"

declare -r DATA_DIR="${WEBSITE_MARKDOWN}/pandocomatic"
declare -r INPUT_DIR="${WEBSITE_MARKDOWN}/content"
declare -r OUTPUT_DIR="${WEBSITE_HTML}"
declare -r RESOURCES_DIR="${WEBSITE_MARKDOWN}/resources"

echo >&2 "Generating [${WEBSITE}]"

start_time="$(date +%s)"
declare -r start_time

# Copy all resources to output, and delete anything in output that
# is not in resources - this will remove any generated HTML, which
# is OK (and preferred) b/c we're going to generate fresh HTML next.
rsync -a --delete "${RESOURCES_DIR}/" "${OUTPUT_DIR}/"

# Generate fresh HTML from the markdown files.
pandocomatic \
    --quiet \
    --data-dir "${DATA_DIR}" \
    --input "${INPUT_DIR}" \
    --output "${OUTPUT_DIR}"

end_time="$(date +%s)"
declare -r end_time

((elapsed_time = end_time - start_time))
declare -r elapsed_time

echo "Website updated in [${elapsed_time}] seconds"