Add submodules, tidy test

.github/workflows/tests.yml

@@ -8,6 +8,8 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
+        with:
+          submodules: 'true'
 
       - name: install-packages
         run: |

.github/workflows/tidy.yml

@@ -0,0 +1,39 @@
+name: clang-tidy
+on:
+  - push
+
+jobs:
+  clang-tidy:
+    name: clang-tidy
+    runs-on: ubuntu-22.04
+    steps:
+      - name: apt-get
+        run: |
+          sudo apt-get update
+          sudo apt-get install hdf5-tools libeigen3-dev libhdf5-openmpi-103 libhdf5-openmpi-dev libmetis-dev libomp-dev libopenmpi-dev libparmetis-dev libyaml-cpp-dev openmpi-bin openmpi-common python3 python3-pip
+
+          # keep, for once clang-19 or higher is needed
+          wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
+          sudo add-apt-repository "deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-18 main"
+          sudo add-apt-repository "deb-src http://apt.llvm.org/jammy/ llvm-toolchain-jammy-18 main"
+          sudo apt-get update
+
+          sudo apt-get -y install clang-18 clang-tidy-18 libomp-18-dev
+
+          sudo pip3 install numpy
+          sudo mkdir -p /opt/dependencies
+
+      - uses: actions/checkout@v4
+        with:
+          submodules: 'true'
+
+      - name: clang-tidy
+        run: |
+          set -euo pipefail
+          clang-tidy-18 --version
+          which clang-tidy-18
+          git submodule update --init
+          mkdir -p build && cd build
+          CMAKE_PREFIX_PATH=/opt/dependencies cmake ..
+          sed -i 's/-fprofile-abs-path //g' compile_commands.json
+          run-clang-tidy ../ ./ -clang-tidy-binary=$(which clang-tidy-18) -quiet -j $(nproc)