add format check #229

	name: ESP-IDF

	on: [push, pull_request]

	jobs:
	format-check:
	runs-on: ubuntu-latest
	container:
	image: "espressif/idf:release-v5.2"
	steps:
	- uses: actions/checkout@v4
	- run: apt update
	- run: apt install --yes clang-format
	- run: make format-check

	build:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	version:
	- release-v4.4
	- release-v5.1
	- release-v5.2
	example:
	- calibration_helper
	- demo
	- dragon
	- grayscale_test
	- www-image
	include:
	- version: release-v5.1
	example: screen_diag

	continue-on-error: ${{ matrix.version == 'latest' }}

	steps:
	- uses: actions/checkout@v4
	with:
	submodules: 'recursive'
	- uses: 'espressif/esp-idf-ci-action@main'
	with:
	esp_idf_version: ${{ matrix.version }}
	path: 'examples/${{ matrix.example }}'

	build-arduino:
	runs-on: ubuntu-latest
	container:
	image: "espressif/idf:${{ matrix.version }}"
	strategy:
	fail-fast: false
	matrix:
	version:
	- release-v4.4
	example:
	- weather
	include:
	- version: release-v4.4
	arduino-esp32: 2.0.11

	steps:
	- name: Install latest git
	run: \|
	apt update -qq && apt install -y -qq git
	- name: Checkout repo
	uses: actions/checkout@v4
	- name: Install Arduino ESP
	run: \|
	cd examples/${{ matrix.example }}
	mkdir components && cd components
	git clone --depth 1 --recursive --branch ${{ matrix.arduino-esp32 }} https://github.com/espressif/arduino-esp32.git arduino
	- name: esp-idf build
	run: \|
	. $IDF_PATH/export.sh
	cd examples/${{ matrix.example }}
	idf.py build

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