feat: add sparse file support to builder #247

	name: CI
	on: [push, pull_request]

	jobs:
	test:
	name: Test
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	build: [stable, beta, nightly, macos, windows]
	include:
	- build: stable
	os: ubuntu-latest
	rust: stable
	- build: beta
	os: ubuntu-latest
	rust: beta
	- build: nightly
	os: ubuntu-latest
	rust: nightly
	- build: macos
	os: macos-latest
	rust: stable
	- build: windows
	os: windows-latest
	rust: stable
	steps:
	- uses: actions/checkout@master
	- name: Install Rust
	run: rustup update ${{ matrix.rust }} --no-self-update && rustup default ${{ matrix.rust }}
	shell: bash
	- run: cargo test
	- run: cargo test --no-default-features
	- name: Run cargo test with root
	run: sudo -E $(which cargo) test
	if: ${{ matrix.os == 'ubuntu-latest' }}

	rustfmt:
	name: Rustfmt
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@master
	- name: Install Rust
	run: rustup update stable && rustup default stable && rustup component add rustfmt
	- run: cargo fmt -- --check

	publish_docs:
	name: Publish Documentation
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@master
	- name: Install Rust
	run: rustup update stable && rustup default stable
	- name: Build documentation
	run: cargo doc --no-deps --all-features
	- name: Publish documentation
	run: \|
	cd target/doc
	git init
	git add .
	git -c user.name='ci' -c user.email='ci' commit -m init
	git push -f -q https://git:${{ secrets.github_token }}@github.com/${{ github.repository }} HEAD:gh-pages
	if: github.event_name == 'push' && github.event.ref == 'refs/heads/master'

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