wip: refactor #47

	name: Publish GitHub Pages for frender@v2

	on:
	push:
	branches:
	- v2

	env:
	CARGO_TERM_COLOR: always

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Setup rust wasm
	run: rustup target add wasm32-unknown-unknown
	- name: Install trunk
	run: \|
	set -e
	cd /usr/local/bin
	wget -qO- https://github.com/thedodd/trunk/releases/download/${VERSION}/trunk-x86_64-unknown-linux-gnu.tar.gz \| tar -xzf-
	chmod +x trunk
	env:
	VERSION: v0.16.0
	- name: Install mdbook
	run: \|
	set -e
	cd /usr/local/bin
	curl -sSL https://github.com/rust-lang/mdBook/releases/download/${VERSION}/mdbook-${VERSION}-x86_64-unknown-linux-gnu.tar.gz \| tar -xz --directory=.
	chmod +x mdbook
	env:
	VERSION: v0.4.15
	- uses: actions/checkout@v3
	with:
	path: "frender"
	- uses: actions/cache@v3
	with:
	path: \|
	~/.cargo/bin/
	~/.cargo/registry/index/
	~/.cargo/registry/cache/
	~/.cargo/git/db/
	key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
	- name: Build Pages
	run: \|
	set -e
	cd "$GITHUB_WORKSPACE/frender"
	node scripts/build-examples.js
	mdbook build frender-book
	mv frender-book/book dist/
	- uses: actions/checkout@v3
	with:
	ref: "gh-pages"
	path: "gh-pages"
	- name: Publish Pages
	run: \|
	set -e
	cd "$GITHUB_WORKSPACE/frender"
	rm -rf ../gh-pages/v2/
	mv dist ../gh-pages/v2
	cd ../gh-pages
	# https://github.blog/2009-12-29-bypassing-jekyll-on-github-pages/
	touch .nojekyll
	if [[ `git status --porcelain` ]]; then
	git config user.name github-actions
	git config user.email github-actions@github.com
	# Changes
	git add .
	git commit -m "publish pages"
	git push
	else
	# No changes
	echo "Pages not changed"
	fi

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