Post Coverage Comment #54
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| # Copyright 2025 Google LLC | |
| # | |
| # Licensed under the Apache License, Version 2.0 (the "License"); | |
| # you may not use this file except in compliance with the License. | |
| # You may obtain a copy of the License at | |
| # | |
| # http://www.apache.org/licenses/LICENSE-2.0 | |
| # | |
| # Unless required by applicable law or agreed to in writing, software | |
| # distributed under the License is distributed on an "AS IS" BASIS, | |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| # See the License for the specific language governing permissions and | |
| # limitations under the License. | |
| # This workflow is independent as it requires write permissions, which GitHub blocks | |
| # on forks for security reasons. Thus, in order to be able to post comments with | |
| # code coverage details on PRs, we run a separate workflow in the context of the | |
| # base repository after any PR build workflow completes, relying on files uploaded | |
| # by the PR's build. | |
| name: Post Coverage Comment | |
| on: | |
| workflow_run: | |
| workflows: ["Build and Test"] | |
| types: | |
| - completed | |
| jobs: | |
| post-comment: | |
| runs-on: ubuntu-latest | |
| # This workflow runs in the context of the base repository, so it has write permissions | |
| # even when the triggering workflow was from a fork. | |
| # We run even if the build or thresholds failed, so long as it wasn't cancelled. | |
| if: > | |
| github.event.workflow_run.event == 'pull_request' && | |
| github.event.workflow_run.conclusion != 'cancelled' | |
| permissions: | |
| pull-requests: write | |
| steps: | |
| - name: Download coverage reports artifact | |
| uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # ratchet:actions/download-artifact@v7 | |
| continue-on-error: true # Artifact might be missing on very early failures | |
| with: | |
| name: coverage-reports | |
| github-token: ${{ secrets.GITHUB_TOKEN }} | |
| run-id: ${{ github.event.workflow_run.id }} | |
| - name: Check for coverage files | |
| # We use an explicit step to check for file existence and set outputs. | |
| # This is more robust than using hashFiles() in an 'if' expression, | |
| # as hashFiles() is primarily intended for cache keys and lacks | |
| # a dedicated file_exists() equivalent in GitHub Actions expressions. | |
| id: check_files | |
| run: | | |
| if [ -f pr_number.txt ]; then | |
| echo "pr_number=$(cat pr_number.txt)" >> $GITHUB_OUTPUT | |
| echo "pr_found=true" >> $GITHUB_OUTPUT | |
| else | |
| echo "pr_found=false" >> $GITHUB_OUTPUT | |
| fi | |
| if [ -f python-code-coverage-results.md ]; then | |
| echo "python_found=true" >> $GITHUB_OUTPUT | |
| else | |
| echo "python_found=false" >> $GITHUB_OUTPUT | |
| fi | |
| if [ -f cpp-code-coverage-results.md ]; then | |
| echo "cpp_found=true" >> $GITHUB_OUTPUT | |
| else | |
| echo "cpp_found=false" >> $GITHUB_OUTPUT | |
| fi | |
| - name: Post Python Coverage PR Comment | |
| if: steps.check_files.outputs.pr_found == 'true' && steps.check_files.outputs.python_found == 'true' | |
| uses: marocchino/sticky-pull-request-comment@773744901bac0e8cbb5a0dc842800d45e9b2b405 # ratchet:marocchino/sticky-pull-request-comment@v2 | |
| with: | |
| recreate: true | |
| number: ${{ steps.check_files.outputs.pr_number }} | |
| path: python-code-coverage-results.md | |
| - name: Post C++ Coverage PR Comment | |
| if: steps.check_files.outputs.pr_found == 'true' && steps.check_files.outputs.cpp_found == 'true' | |
| uses: marocchino/sticky-pull-request-comment@773744901bac0e8cbb5a0dc842800d45e9b2b405 # ratchet:marocchino/sticky-pull-request-comment@v2 | |
| with: | |
| header: cpp-coverage | |
| recreate: true | |
| number: ${{ steps.check_files.outputs.pr_number }} | |
| path: cpp-code-coverage-results.md |