build #877
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| name: build | |
| # Controls when the workflow will run | |
| on: | |
| # Triggers the workflow on push or pull request events but only for the "main" branch | |
| push: | |
| branches: [ "main" ] | |
| pull_request: | |
| branches: [ "main" ] | |
| schedule: | |
| # Run daily at midnight to ensure we catch regressions. | |
| - cron: "0 0 * * *" | |
| # Allow manual triggering of the workflow. | |
| # https://docs.github.com/en/actions/managing-workflow-runs-and-deployments/managing-workflow-runs/manually-running-a-workflow | |
| workflow_dispatch: | |
| jobs: | |
| build: | |
| # TODO(anthonyroy): Bump to 24.04 once llvm+absl issues are resolved. https://github.com/llvm/llvm-project/issues/102443 | |
| runs-on: ubuntu-22.04 | |
| steps: | |
| # TODO(anthonyroy): Remove once the following is fixed: | |
| # https://github.com/actions/runner-images/issues/9491 | |
| - name: Reduce ASLR entropy as a temporary workaround | |
| run: | | |
| sudo sysctl -w vm.mmap_rnd_bits=28 | |
| - uses: actions/checkout@v4 | |
| - name: Install dependencies | |
| run: | | |
| sudo apt-get update && sudo apt-get install -yq \ | |
| clang | |
| - name: Mount bazel cache | |
| uses: actions/cache/restore@v4 | |
| with: | |
| path: "~/.cache/bazel" | |
| key: bazel-${{ hashFiles('*.bazel', '*.bazelrc') }}-${{ github.ref_name }} | |
| restore-keys: | | |
| bazel-${{hashFiles('*.bazel', '*.bazelrc') }} | |
| bazel- | |
| - name: Save start time | |
| uses: josStorer/get-current-time@v2 | |
| id: start-time | |
| with: | |
| # Unix timestamp -- seconds since 1970. | |
| format: X | |
| - name: Build | |
| run: bazel build --test_output=errors //... | |
| - name: Test | |
| run: bazel test --test_output=errors //... | |
| - name: Save end time | |
| # Always save the end time so we can calculate the build duration. | |
| if: always() | |
| uses: josStorer/get-current-time@v2 | |
| id: end-time | |
| with: | |
| # Unix timestamp -- seconds since 1970. | |
| format: X | |
| - name: Calculate build duration | |
| # Always calculate the build duration so we can update the cache if needed. | |
| if: always() | |
| run: | | |
| START=${{ steps.start-time.outputs.formattedTime }} | |
| END=${{ steps.end-time.outputs.formattedTime }} | |
| DURATION=$(( $END - $START )) | |
| echo "duration=$DURATION" | tee "$GITHUB_ENV" | |
| - name: Compress cache | |
| # Always compress the cache so we can update the cache if needed. | |
| if: always() | |
| run: rm -rf $(bazel info repository_cache) | |
| - name: Save bazel cache | |
| uses: actions/cache/save@v4 | |
| # Only create a new cache entry if we're on the main branch or the build takes >5mins. | |
| # | |
| # NOTE: Even though `always()` evaluates to true, and `true && x == x`, the `always() &&` | |
| # prefix is not redundant! The call to `always()` has a side effect, which is to override | |
| # the default behavior of automagically canceling this step if a previous step failed. | |
| # (Don't blame me, blame GitHub Actions!) | |
| if: always() && (github.ref_name == 'main' || env.duration > 300) | |
| with: | |
| path: "~/.cache/bazel" | |
| key: bazel-${{ hashFiles('*.bazel', '*.bazelrc') }}-${{ github.ref_name }}-${{ github.run_id }} |