Erase the target board before flashing extra firmware #9

	name: PR code format check

	on:
	pull_request:
	types:
	- opened
	- reopened
	- synchronize
	branches:
	- main

	jobs:
	uncrustify_check:
	runs-on: ubuntu-latest

	steps:
	- name: Check out PR HEAD
	uses: actions/checkout@v6
	with:
	fetch-depth: 0

	- name: Install uncrustify
	run: \|
	sudo apt-get update
	sudo apt-get install -y uncrustify

	- name: Check uncrustify version
	run: uncrustify --version

	- name: Fetch base branch
	run: \|
	git fetch origin "${{ github.base_ref }}"

	- name: Get changed source files
	id: changed
	shell: bash
	run: \|
	mapfile -t files < <(
	git diff --name-only --diff-filter=ACMR \
	"origin/${{ github.base_ref }}...HEAD" \|
	grep -E '\.(c\|h\|cpp\|hpp)$' \|\| true
	)

	if [ ${#files[@]} -eq 0 ]; then
	echo "count=0" >> "$GITHUB_OUTPUT"
	exit 0
	fi

	{
	echo "files<<EOF"
	printf '%s\n' "${files[@]}"
	echo "EOF"
	echo "count=${#files[@]}"
	} >> "$GITHUB_OUTPUT"

	- name: Run uncrustify check
	if: steps.changed.outputs.count != '0'
	shell: bash
	run: \|
	failed=0
	while IFS= read -r file; do
	echo "Checking $file"
	uncrustify -c package/uncrustify.cfg --check "$file" \|\| failed=1
	done <<< "${{ steps.changed.outputs.files }}"

	exit $failed

	- name: Skip if no C/C++ files changed
	if: steps.changed.outputs.count == '0'
	run: echo "No C/C++ files changed in this PR"

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