build: Cache builds #243

	name: Deploy
	on:
	push:
	branches:
	- main

	jobs:
	deploy:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0

	- name: Set up Rust
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	component: clippy

	- name: Cache Cargo registry and build
	uses: actions/cache@v3
	with:
	path: \|
	~/.cargo/registry
	~/.cargo/git
	key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
	restore-keys: \|
	${{ runner.os }}-cargo-

	- name: Install specific version of mdbook and mdbook-hints
	run: \|
	cargo install [email protected]
	cargo install [email protected]

	- name: Build the book
	run: mdbook build

	- name: Deploy GitHub Pages
	run: \|
	git worktree add gh-pages
	git config user.name "Deploy from CI"
	git config user.email ""
	cd gh-pages
	git update-ref -d refs/heads/gh-pages
	rm -rf *
	mv ../book/* .
	git add .
	git commit -m "Deploy $GITHUB_SHA to gh-pages"
	git push --force --set-upstream origin gh-pages

Provide feedback