Add clang-tidy CI test #56

	name: 🧹 clang-tidy

	on: [push, pull_request]

	jobs:
	run_clang_tidy:
	name: clang-tidy
	runs-on: ubuntu-22.04
	env: {CXXFLAGS: "-Werror -Wshadow -Woverloaded-virtual -Wunreachable-code -fsanitize=address -fsanitize=undefined"}
	steps:
	- uses: actions/checkout@v4
	- name: install dependencies
	run: .github/workflows/dependencies/clang15.sh
	- name: Build & run clang-tidy
	run: \|

	export CXX=$(which clang++-15)
	export CC=$(which clang-15)


	# The following wrapper ensures that only source files
	# in WarpX/Source/* are actually processed by clang-tidy
	#_______________________________
	cat > clang_tidy_wrapper << EOF
	#!/bin/bash
	REGEX="[a-z_A-Z0-9\/]*multi_physics\/[a-z_A-Z0-9\/]+.cpp"
	if [[ \$4 =~ \$REGEX ]];then
	clang-tidy-15 \$@
	fi
	EOF
	chmod +x clang_tidy_wrapper
	#_____________________________________

	rm -rf build_clang_tidy

	cmake -S multi_physics/QED \
	-DCMAKE_CXX_CLANG_TIDY="$PWD/clang_tidy_wrapper;--system-headers=0;--config-file=$PWD/.clang-tidy" \
	-B build_clang_tidy \
	-DCMAKE_VERBOSE_MAKEFILE=ON \
	-DPXRMP_QED_TEST=ON \
	-DPXRMP_KOKKOS_EXAMPLE=ON \
	-DKokkos_ENABLE_OPENMP=ON

	cmake --build build_clang_tidy -j 4 2> build_clang_tidy/clang-tidy.log
	cat build_clang_tidy/clang-tidy.log
	if [[ $(wc -m <build_clang_tidy/clang-tidy.log) -gt 1 ]]; then exit 1; fi

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