Add clang-tidy check

.github/workflows/clang_tidy_check.yml

@@ -0,0 +1,120 @@
+name: Clang Tidy Check
+
+# We use action's triggers 'push' and 'pull_request'.
+# The strategy is the following: this action will be
+# triggered on any push to 'main' branch and any pull
+# request to any branch. Thus we avoid duplicate work-
+# flows.
+on:
+  push:
+    branches:
+      - "main"
+  pull_request:
+    branches:
+      - "**"
+  workflow_dispatch:
+    inputs:
+      # Live debug failures using tmate by toggling input parameter
+      # 'debug_enabled':
+      # https://github.com/mxschmitt/action-tmate#manually-triggered-debug
+      # When manually running this workflow:
+      # https://docs.github.com/en/actions/managing-workflow-runs/manually-running-a-workflow
+      debug_enabled:
+        description: 'Enable tmate debugging'
+        type: boolean
+        default: true
+
+jobs:
+  clang-tidy-check:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        include:
+          #- os: macos-latest
+          #  sudo-command: "sudo"
+          #  # Explicitly not using `dazel` here as we don't want to
+          #  # build/test on Linux but on macOS!
+          #  bazel-command: "bazelisk"
+          #  bazel-config: ""
+          #  output-user_root: ""
+          - os: ubuntu-latest
+            sudo-command: "sudo"
+            bazel-command: "dazel"
+            bazel-config: "--config=asan"
+            output-user_root: ""
+            eventuals-regex: "eventuals[\\\/]eventuals[\\\/]eventuals[\\\/][^.]+.(cc|h)" \
+                             "eventuals[\\\/]eventuals[\\\/]test[\\\/][^.]+.(cc|h)"
+          - os: windows-2019
+            sudo-command: "" # The Windows runner already runs as root.
+            # Explicitly not using `dazel` here as we don't want to
+            # build/test on Linux but on Windows!
+            bazel-command: "bazelisk"
+            bazel-config: ""
+            # Fixes issue #248.
+            output-user_root: "--output_user_root=C:/bzl"
+            eventuals-regex: "eventuals[\\\/]eventuals[\\\/][^.]+.(cc|h)" \
+                             "eventuals[\\\/]test[\\\/][^.]+.(cc|h)"
+
+    defaults:
+      run:
+        shell: bash
+
+    steps:
+      # We should checkout the repo with submodules
+      # cause we need to have symlink to
+      # dev-tools/.clang-format file for all code
+      # style checks.
+      - uses: actions/checkout@v2
+        with:
+          submodules: 'recursive'
+
+      # Install 'wheel' for Python on Windows as required for running
+      # commands like 'python setup.py bdist_wheel'.
+      - name: Install Python 'wheel'
+        if: ${{ matrix.os == 'windows-2019' }}
+        run: ${{ matrix.sudo-command }} pip3 install wheel
+
+      # Install Dazel for use on Linux so that we use the same build
+      # tooling in our Actions as we do on our workstations.
+      - name: Install Dazel
+        if: ${{ matrix.bazel-command == 'dazel' }}
+        run: ${{ matrix.sudo-command }} pip3 install dazel
+
+      # Invoke 'dazel version' in order to build the Docker container
+      # as a separate step so we can track how long it takes and
+      # optimize as necessary.
+      - name: Dazel Docker Build
+        if: ${{ matrix.bazel-command == 'dazel' }}
+        run: dazel version
+
+      # We have to build everything first to correctly extract
+      # compile commands later.
+      - name: Build
+        run: |
+          ${{ matrix.bazel-command }} \
+            ${{ matrix.output-user_root }} \
+            build \
+            ${{ matrix.bazel-config }} \
+            ${{ env.BAZEL_REMOTE_CACHE }} \
+            --verbose_failures \
+            -c dbg \
+            --strip="never" \
+            ...
+
+      - name: Extract Compile Commands
+        run: |
+          ${{ matrix.bazel-command }} \
+            ${{ matrix.output-user_root }} \
+            run \
+            refresh_cc_github_actions \
+            -- \
+            ${{ matrix.bazel-config }} \
+            ${{ env.BAZEL_REMOTE_CACHE }} \
+            --verbose_failures \
+            --compilation_mode=dbg \
+            --strip="never" \
+
+      - name: Run clang-tidy
+        run: |
+          run-clang-tidy \
+          ${{ matrix.eventuals-regex }}

BUILD.bazel

@@ -20,4 +20,11 @@ refresh_compile_commands(
     },
 )
 
+refresh_compile_commands(
+    name = "refresh_cc_github_actions",
+    targets = {
+        "//test:eventuals": "",
+    },
+)
+
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