add cmake-lint action (#646)

.github/workflows/cpp-lint.yml

@@ -3,7 +3,7 @@
 # Don't make changes to this file in this repo as they will be overwritten with changes made to the same file in
 # the above-mentioned repo.
 
-name: Clang Format Lint
+name: C++ Lint
 
 on:
   pull_request:
@@ -33,7 +33,7 @@ jobs:
     outputs:
       src: ${{ steps.check.outputs.src }}
 
-  lint:
+  clang-format:
     name: Clang Format Lint
     needs: [check_src]
     if: ${{ needs.check_src.outputs.src == 'true' }}
@@ -58,3 +58,34 @@ jobs:
         with:
           name: clang-format-fixes
           path: src/
+
+  cmake-lint:
+    name: CMake Lint
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.11'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip setuptools cmakelang
+
+      - name: Find cmake files
+        id: cmake_files
+        run: |
+          cmake_files=$(find . -type f -iname "CMakeLists.txt" -o -iname "*.cmake")
+
+          echo "found cmake files: ${cmake_files}"
+
+          # do not quote to keep this as a single line
+          echo cmake_files=${cmake_files} >> $GITHUB_OUTPUT
+
+      - name: Test with cmake-lint
+        run: |
+          cmake-lint --line-width 120 --tab-size 4 ${{ steps.cmake_files.outputs.cmake_files }}