#!/bin/bash

set -e

echo "◆ Check .git repository"

if [ -z "$HUGO_GIT_URL" ]; then
  echo "△ HUGO_GIT_URL environment variable is not set"
  exit 1
fi

if [ ! -d "$HUGO_WORKING_DIR" ]; then
  echo "Clone .git repository for the first time"
  git clone $HUGO_GIT_URL $HUGO_WORKING_DIR
else
  echo "All good!"
fi

cd $HUGO_WORKING_DIR

echo "◆ Pull latest version from .git repository"

# Force pull everything, just in case
git fetch --all
git reset --hard origin/main

echo "◆ Build static HTML page with hugo"

# Start building website with hugo
hugo

# Clean the public folder without affecting what's currently served by HTTP
# server
rm -rf $HUGO_PUBLIC_DIR/*
cp -r $HUGO_WORKING_DIR/public/* $HUGO_PUBLIC_DIR
rm -rf $HUGO_WORKING_DIR/public/*

echo "▷ Sucessfully built new website!"