feat(rumqttd): retained messages #600

	on:
	pull_request:
	branches:
	- main
	- mqtt5-client
	paths:
	- '**.rs'
	- 'Cargo.*'
	- '/Cargo.'

	name: Build and Test

	jobs:
	test:
	name: Build and test on ${{ matrix.os }} with ${{ matrix.features }}
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os:
	- ubuntu-latest
	- macOS-latest
	- windows-latest
	steps:
	- uses: actions/checkout@v3

	- uses: dtolnay/rust-toolchain@stable
	with:
	components: clippy

	- uses: Swatinem/rust-cache@v2

	- uses: taiki-e/install-action@v1
	with:
	tool: cargo-hack

	# - name: Check benchmarks
	# uses: actions-rs/cargo@v1
	# env:
	# RUSTFLAGS: "-D warnings"
	# # NOTE: benchmarks are limited to compiling only on non windows systems, without any features enabled.
	# if: ${{ matrix.os != 'windows-latest' && matrix.features == '--no-default-features' }}
	# with:
	# command: clippy
	# args: --verbose --all-targets -p benchmarks

	- name: Check rumqttc and rumqttd
	run: cargo hack clippy --verbose --each-feature --no-dev-deps --optional-deps url -p rumqttc -p rumqttd
	env:
	RUSTFLAGS: "-D warnings"

	- name: Check docs
	if: ${{ matrix.os != 'windows-latest' }}
	run: cargo hack doc --verbose --no-deps --each-feature --no-dev-deps --optional-deps url -p rumqttc -p rumqttd

	- name: Test rumqttc and rumqttd
	run: cargo hack test --verbose --each-feature --optional-deps url -p rumqttc -p rumqttd

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