#!/bin/bash

set -Eeuo pipefail
trap cleanup SIGINT SIGTERM ERR EXIT

function cleanup() {
  trap - SIGINT SIGTERM ERR EXIT

  if [ -n "${NETLIFY_BUILD_BASE:-}" ]; then
    # Dirty hack for netlify that don't ship the realpath command
    realpath=./realpath.py
  fi

  # On exit, remove any symbolic link in content/french that points
  # to content/english
  find content/french -type l -print0 | while IFS= read -r -d $'\0' filename; do
    if ${realpath:-realpath} "$filename" | grep -E "^$PWD/" > /dev/null; then
      rm -f "$filename"
    fi
  done
}

# First, try to find page bundles. In that case, link the directory
(cd content/english && find * -type f -name 'index.md') | while read file; do
  if [ ! -e "content/french/$file" ]; then
    d="$(dirname $file)"
    ln -s ../../../content/english/$d content/french/$d
  fi
done

# Then, find the regular pages and link the files directly.
(cd content/english && find * -type f -name '*.md') | while read file; do
  if [ ! -e "content/french/$file" ]; then
    ln -s ../../../content/english/$file content/french/$file
  fi
done

# Remove dangling links
find content/french -xtype l -exec rm -f {} \;

hugo gen chromastyles --style=borland > static/css/chroma.css
hugo "$@"