ci: rootfs profiler #4
Workflow file for this run
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| name: build system | |
| concurrency: | |
| group: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' && github.run_id || github.head_ref || github.ref }}-${{ github.workflow }}-${{ github.event_name }} | |
| cancel-in-progress: true | |
| on: | |
| push: | |
| branches: [master] | |
| paths: | |
| - 'Dockerfile' | |
| - 'Dockerfile.system-builder' | |
| - 'build_system.sh' | |
| - 'profile_rootfs.sh' | |
| - 'userspace/**' | |
| - 'VERSION' | |
| - '.github/workflows/build-system.yml' | |
| pull_request: | |
| paths: | |
| - 'Dockerfile' | |
| - 'Dockerfile.system-builder' | |
| - 'build_system.sh' | |
| - 'profile_rootfs.sh' | |
| - 'userspace/**' | |
| - 'VERSION' | |
| - '.github/workflows/build-system.yml' | |
| jobs: | |
| build: | |
| runs-on: ubuntu-24.04-arm | |
| permissions: | |
| pull-requests: write | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - name: build system image | |
| run: ./build_system.sh | |
| - name: upload system.img | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: system.img | |
| path: output/system.img | |
| - name: upload rootfs profile | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: rootfs-profile | |
| path: | | |
| output/rootfs-profile.json | |
| output/rootfs-profile.md | |
| - name: download master baseline | |
| if: github.event_name == 'pull_request' | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| run: | | |
| mkdir -p baseline | |
| RUN_ID=$(gh run list --workflow=build-system.yml --branch=master \ | |
| --status=success --limit=1 --json databaseId --jq '.[0].databaseId') | |
| if [ -n "$RUN_ID" ]; then | |
| gh run download "$RUN_ID" --name rootfs-profile --dir baseline/ || true | |
| fi | |
| - name: post PR comment | |
| if: github.event_name == 'pull_request' | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| run: | | |
| # Generate diff (gracefully handles missing baseline) | |
| DIFF_MD=$(./profile_rootfs.sh diff baseline/rootfs-profile.json output/rootfs-profile.json 2>/dev/null || echo "No baseline available") | |
| PROFILE_MD=$(cat output/rootfs-profile.md) | |
| # Assemble comment with hidden marker for find-and-update | |
| COMMENT_BODY="<!-- rootfs-profile-bot --> | |
| ## Rootfs Size Profile | |
| ${PROFILE_MD} | |
| ### Changes vs master | |
| ${DIFF_MD}" | |
| # Find existing comment by marker | |
| COMMENT_ID=$(gh api \ | |
| "repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/comments" \ | |
| --jq '.[] | select(.body | contains("<!-- rootfs-profile-bot -->")) | .id' \ | |
| | head -1) | |
| if [ -n "$COMMENT_ID" ]; then | |
| gh api "repos/${{ github.repository }}/issues/comments/$COMMENT_ID" \ | |
| -X PATCH -f body="$COMMENT_BODY" | |
| else | |
| gh pr comment "${{ github.event.pull_request.number }}" --body "$COMMENT_BODY" | |
| fi |