add a clang-tidy check

.github/workflows/clang-tidy.yml

@@ -0,0 +1,27 @@
+name: "clang-tidy"
+
+on: [pull_request]
+jobs:
+  clang_tidy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Get submodules
+        run: |
+          git submodule update --init
+          cd external/Microphysics
+          git fetch; git checkout development
+          cd ../amrex
+          git fetch; git checkout development
+          cd ../..
+
+      - name: Install dependencies
+        run: |
+          .github/workflows/dependencies/dependencies_clang-tidy-apt-llvm.sh 17
+
+      - name: Compile flame_wave
+        run: |
+          cd Exec/science/subchandra
+          make USE_CLANG_TIDY=TRUE CLANG_TIDY=clang-tidy-17 CLANG_TIDY_WARN_ERROR=TRUE -j 4
+

.github/workflows/dependencies_clang-tidy-apt-llvm.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+set -eu -o pipefail
+
+# `man apt.conf`:
+#   Number of retries to perform. If this is non-zero APT will retry
+#   failed files the given number of times.
+echo 'Acquire::Retries "3";' | sudo tee /etc/apt/apt.conf.d/80-retries
+
+if [[ ! -f /etc/apt/trusted.gpg.d/apt.llvm.org.asc ]]; then
+    wget -qO- https://apt.llvm.org/llvm-snapshot.gpg.key | sudo tee /etc/apt/trusted.gpg.d/apt.llvm.org.asc
+fi
+
+source /etc/os-release # set UBUNTU_CODENAME
+
+sudo add-apt-repository "deb http://apt.llvm.org/${UBUNTU_CODENAME}/ llvm-toolchain-${UBUNTU_CODENAME} main"
+sudo add-apt-repository "deb http://apt.llvm.org/${UBUNTU_CODENAME}/ llvm-toolchain-${UBUNTU_CODENAME}-$1 main"
+
+sudo apt-get update
+
+sudo apt-get install -y --no-install-recommends \
+    clang-tidy-$1 libomp-$1-dev