Github action: Add clang-tidy workflow

.github/actions/cmake/action.yml

@@ -12,4 +12,3 @@ runs:
               -DCMAKE_BUILD_TYPE=${BUILD_TYPE}
       shell: bash
       working-directory: build
-

.github/actions/ctest/action.yml

@@ -7,4 +7,3 @@ runs:
       run: ctest --output-on-failure
       shell: bash
       working-directory: build
-

.github/actions/install-from-git/action.yml

@@ -8,4 +8,3 @@ runs:
         git clone --quiet --depth 1 https://github.com/osmcode/libosmium.git ../libosmium
         git clone --quiet --depth 1 https://github.com/mapbox/protozero.git ../protozero
       shell: bash
-

.github/actions/install-macos/action.yml

@@ -9,4 +9,3 @@ runs:
           gdal \
           spatialite-tools
       shell: bash
-

.github/actions/install-ubuntu/action.yml

@@ -13,4 +13,3 @@ runs:
              pandoc \
              spatialite-bin
       shell: bash
-

.github/workflows/ci.yml

@@ -221,4 +221,3 @@ jobs:
       - uses: ./.github/actions/cmake
       - uses: ./.github/actions/build
       - uses: ./.github/actions/ctest
-

.github/workflows/clang-tidy.yml

@@ -0,0 +1,59 @@
+name: clang-tidy
+
+on: workflow_dispatch
+
+jobs:
+  clang-tidy:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        image: ["debian:bookworm", "debian:testing", "debian:experimental"]
+        include:
+          - image: "debian:bookworm"
+            clang: 15
+          - image: "debian:testing"
+            clang: 19
+          - image: "debian:experimental"
+            clang: 20
+    container:
+      image: ${{ matrix.image }}
+      env:
+        BUILD_TYPE: Dev
+        CC: clang-${{ matrix.clang }}
+        CXX: clang++-${{ matrix.clang }}
+        CPP_VERSION: c++14
+        APT_LISTCHANGES_FRONTEND: none
+        DEBIAN_FRONTEND: noninteractive
+    steps:
+      - name: Prepare container (apt)
+        run: |
+          apt-get update -qq
+          apt-get install -yq \
+            clang-${{ matrix.clang }} \
+            clang-tidy-${{ matrix.clang }} \
+            cmake \
+            git \
+            libbz2-dev \
+            libexpat1-dev \
+            libgdal-dev \
+            libgeos-dev \
+            liblz4-dev \
+            make \
+            zlib1g-dev
+        shell: bash
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+      - uses: ./.github/actions/install-protozero
+      - uses: ./.github/actions/cmake
+      - name: Run clang-tidy
+        run: make clang-tidy | tee osmcoastline-${{ github.sha }}-clang-tidy-${{ matrix.clang }}.log
+        shell: bash
+        working-directory: build
+      - name: Upload clang-tidy log
+        uses: actions/upload-artifact@v4
+        if: always()
+        with:
+          name: osmcoastline-${{ github.sha }}-clang-tidy-${{ matrix.clang }}-log
+          path: build/osmcoastline-${{ github.sha }}-clang-tidy-${{ matrix.clang }}.log