Account for comments #94

	name: ClangFormat

	on:
	push:
	branches: [main]
	pull_request:

	jobs:
	check:
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v2
	- name: Download a recent, static build of clang-format
	run: \|
	wget --no-verbose https://github.com/angular/clang-format/raw/master/bin/linux_x64/clang-format
	chmod a+x clang-format
	- name: Print clang-format version
	run: \|
	./clang-format --version
	- name: Run clang-format and report result
	run: \|
	cd src
	# Parse full lines
	export IFS=$'\n'
	# For each file in repository 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 can pick it up.
	../clang-format -style=file -i "$file"
	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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