ci: Migrate to alpine base image #12

	name: "C++ Lint"

	on:
	push:
	paths-ignore:
	- 'README.md'

	jobs:
	lint:
	name: "clang-tidy"
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: jirutka/setup-alpine@v1
	with:
	branch: v3.19
	- name: Install dependencies
	run: \|
	sudo apk update
	sudo apk add \
	cmake \
	clang-extra-tools \
	boost-filesystem \
	boost-python3 \
	lua-dev \
	fmt \
	gmock \
	gtest
	shell: alpine.sh {0}
	- name: Generate compile_commands.json
	run: \|
	mkdir -pv build
	cd build
	cmake -DCMAKE_EXPORT_COMPILE_COMMANDS=ON ..
	shell: alpine.sh {0}
	# Check all source and header C++ files;
	# ignore files in the build directory or in hidden directories
	- name: Execute clang-tidy
	run: find . \( \( -path './build' -o -path '/.' \) -prune \) -o
	\( -type f -a \( -iname '.cpp' -o -iname '.h' \) \)
	-exec echo "Linting '{}'..." \;
	-exec clang-tidy -p build --warnings-as-errors='*' {} +
	shell: alpine.sh {0}

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