common: Make `file_offset` dependency optional #278

	name: Build

	on: [push, pull_request]

	jobs:
	build:
	name: Build and test
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os:
	- ubuntu-latest
	- macos-latest
	- windows-latest
	rust:
	- stable
	include:
	- os: ubuntu-latest
	rust: 1.63.0
	- os: ubuntu-latest
	rust: nightly
	steps:
	- uses: actions/checkout@v2
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: ${{ matrix.rust }}
	override: true
	- uses: Swatinem/rust-cache@v2
	# `demo` crate doesn't work with the MSRV.
	- name: Exclude `demo` crate from MSRV
	run: sed -i -e 's/"demo",//' -e 's/"tools",//' Cargo.toml
	if: ${{ matrix.rust != 'stable' && matrix.rust != 'nightly' }}
	- run: cargo build
	- run: cargo test
	- run: cargo bench
	- uses: actions/upload-artifact@v2
	if: ${{ matrix.rust == 'stable' }}
	with:
	path: \|
	target
	!target/*/.d
	!target/*/.rlib
	!target/**/.cargo-lock
	!target/**/.fingerprint
	!target/**/CACHEDIR.TAG
	!target/**/build
	!target/**/deps
	!target/**/incremental
	name: libtw2-${{ matrix.os }}

	check-generated:
	name: Check that generated files match
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- run: ./generate_all
	- run: test -z "$(git status --porcelain)"

	check-rustfmt:
	name: Check that everything is rustfmtted
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- run: cargo fmt --check

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