#!/usr/bin/env bash
set -euo pipefail

SCRIPTDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
ROOTDIR="$(realpath "${SCRIPTDIR}/..")"

while getopts dv OPT; do
	case $OPT in
		d)
			set -x
			;;

		*)
			echo "usage: ${0##*/} [-d]"
			exit 2
	esac
done
shift $(( OPTIND - 1 ))
OPTIND=1

RUN_CLANG_TIDY_CANDIDATES=(
	run-clang-tidy
	run-clang-tidy.py
	/usr/share/clang/run-clang-tidy.py
)

for candidate in "${RUN_CLANG_TIDY_CANDIDATES[@]}"; do
	if ! command -v "${candidate}"; then
		continue;
	fi

	RUN_CLANG_TIDY="${candidate}"
	break;
done

if [[ ! -v RUN_CLANG_TIDY ]]; then
	echo "No run-clang-tidy executable found"
	exit 1
fi

JOBS=$(nproc)

${RUN_CLANG_TIDY} \
	-p "${ROOTDIR}/compile_commands_wo_subprojects/" \
	-j "${JOBS}"