#!/usr/bin/env bash

# https://cirosantilli.com/linux-kernel-module-cheat#github-pages

set -eux

gh_pages_dir=out/gh-pages
sha="$(git log -n1 --pretty='%H' master)"

# Make sure that we can push and build before anything else.
git push
./build-doc --github-pages

# Create or update the gh-pages repository.
mkdir -p "$gh_pages_dir"
if [ -d "${gh_pages_dir}/.git" ]; then
  git -C "${gh_pages_dir}" pull
else
  git clone --branch gh-pages . "${gh_pages_dir}"
fi

# Update files in the repository, commit and push.
cp out/README.html "${gh_pages_dir}/index.html"
git checkout master -- \
  .gitignore \
  '*.png' \
  _config.yml \
;
cd "$gh_pages_dir"
git add index.html
git commit --message "$sha"
#git push