update libjsonnet to v0.20.0 #267

	name: Continuous integration

	on: [pull_request, push]

	env:
	RUST_BACKTRACE: '1'

	jobs:

	check:
	name: Check
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- uses: actions-rs/cargo@v1
	with:
	command: check

	test:
	name: Test
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest, macOS-latest]
	rust: [stable]
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: ${{ matrix.rust }}
	override: true
	- uses: actions-rs/cargo@v1
	with:
	command: test
	args: --verbose --no-fail-fast --manifest-path=jsonnet-sys/Cargo.toml
	- uses: actions-rs/cargo@v1
	with:
	command: test
	args: --verbose --no-fail-fast

	example:
	name: Run jsonnet example
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	- uses: actions-rs/cargo@v1
	with:
	command: build
	args: --examples
	- uses: MeilCli/[email protected]
	with:
	command: ./target/debug/examples/jsonnet eval --exec 2+2
	expect_contain: 4

	rustfmt:
	name: Rustfmt
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	override: true
	components: rustfmt
	- uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: --all --manifest-path=jsonnet-sys/Cargo.toml -- --check
	- uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: --all -- --check

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