UGRID-38: Add script for detection of changes in docker config #275

	name: Code formatting

	on:
	push:
	branches: [main]
	pull_request:

	jobs:
	check:
	name: ClangFormat

	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Install clang-format
	run: sudo apt install clang-format

	- name: Run clang-format and report result
	run: \|
	declare -a directories=(
	"libs/UGrid/src"
	"libs/UGrid/include"
	"libs/UGridAPI/src"
	"libs/UGridAPI/include"
	"tests"
	)
	# Parse full lines
	export IFS=$'\n'
	for directory in "${directories[@]}"; do
	(
	cd "${directory}"
	# Format each file in the directory with name ending with ".hpp", ".h", ".cpp"
	for file in $(git ls-files \| egrep "\\.hpp$\|\\.h$\|\\.cpp$"$); do
	echo Formatting "${file}"
	# format it in place, so git diff can pick it up.
	clang-format -style=file -i "${file}"
	done
	)
	done
	# Just some visual separation
	echo -e "\\n\\n\\n\\tChecking diff...\\n\\n\\n"
	# Set error mode. Makes bash bail on first non-zero exit code
	set -e
	# Print diff, if any and report with exit code.
	git diff --exit-code
	# When no diff present, provide status.
	echo -e "\\tStyle is fine"

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