CI #238
Workflow file for this run
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| # Copyright lowRISC contributors. | |
| # | |
| # SPDX-License-Identifier: MIT | |
| name: CI | |
| on: | |
| merge_group: | |
| pull_request: | |
| branches: ["main"] | |
| # Cancel existing runs if a pull request is pushed. | |
| # For branch pushes, this will queue a new run and cancel the existing one. This allows the cache | |
| # of the run to be used by the new run. | |
| concurrency: | |
| group: ${{ github.workflow }}-${{ github.ref }} | |
| cancel-in-progress: ${{ github.event_name == 'pull_request' }} | |
| jobs: | |
| check: | |
| name: Quality Check | |
| runs-on: nixos-24.05 | |
| outputs: | |
| matrix: ${{ steps.plan.outputs.MATRIX }} | |
| steps: | |
| - name: checkout | |
| uses: actions/checkout@v4 | |
| - name: Install Nix | |
| uses: cachix/install-nix-action@v24 | |
| with: | |
| extra_nix_config: | | |
| substituters = https://nix-cache.lowrisc.org/public/ https://cache.nixos.org/ | |
| trusted-public-keys = nix-cache.lowrisc.org-public-1:O6JLD0yXzaJDPiQW1meVu32JIDViuaPtGDfjlOopU7o= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= | |
| - name: Nix Format Check | |
| run: nix fmt -- . --check | |
| - name: Run Nix Checks | |
| run: nix flake check -L | |
| - name: Generate Build Plan | |
| id: plan | |
| run: | | |
| REBUILD=() | |
| echo '| Package | System | Status |' >> $GITHUB_STEP_SUMMARY | |
| echo '|---------|--------|--------|' >> $GITHUB_STEP_SUMMARY | |
| if ${{ github.event_name == 'pull_request' }}; then | |
| # We only support MacOS with best-effort basis. They take much longer to build so shouldn't block PR. | |
| SYSTEMS=(x86_64-linux) | |
| else | |
| SYSTEMS=(x86_64-linux x86_64-darwin aarch64-darwin) | |
| fi | |
| for SYSTEM in "${SYSTEMS[@]}"; do | |
| # This is a json object with package names as keys and their main outputs as values | |
| PACKAGES=$(nix eval --json ".#packages.$SYSTEM") | |
| for ATTR in $(echo "$PACKAGES" | jq -r 'keys[]'); do | |
| HASH=$(echo "$PACKAGES" | jq -r ".[\"$ATTR\"]" | cut -d '/' -f4 | cut -d '-' -f1) | |
| # Check if the main output is cached by us or upstream. | |
| CACHED=n | |
| if curl -sSfL "https://nix-cache.lowrisc.org/public/$HASH.narinfo"; then | |
| CACHED=y | |
| elif curl -sSfL "https://cache.nixos.org/$HASH.narinfo"; then | |
| CACHED=y | |
| fi | |
| if [[ $CACHED == y ]]; then | |
| echo "| $ATTR | $SYSTEM | ✅ Cached |" | tee -a $GITHUB_STEP_SUMMARY | |
| else | |
| REBUILD+=("$(jq --null-input '{attr: $attr, system: $system}' --arg attr "$ATTR" --arg system "$SYSTEM")") | |
| echo "| $ATTR | $SYSTEM | ⏳ Need Rebuild |" | tee -a $GITHUB_STEP_SUMMARY | |
| fi | |
| done | |
| done | |
| echo 'MATRIX<<EOF' >> $GITHUB_OUTPUT | |
| jq --null-input '$ARGS.positional' --jsonargs -- "${REBUILD[@]}" >> $GITHUB_OUTPUT | |
| echo 'EOF' >> $GITHUB_OUTPUT | |
| build: | |
| needs: check | |
| name: Build | |
| # Matrix can't be empty, so skip the job entirely if nothing needs to be rebuilt. | |
| if: fromJSON(needs.check.outputs.matrix)[0] != null | |
| strategy: | |
| matrix: | |
| include: ${{fromJSON(needs.check.outputs.matrix)}} | |
| # Disable fail-fast for non-PR builds to ensure all outputs have a chance to be built. | |
| fail-fast: ${{ github.event_name == 'pull_request' }} | |
| runs-on: ${{ matrix.system == 'x86_64-darwin' && 'macos-13' || (matrix.system == 'aarch64-darwin' && 'macos-14' || 'nixos-24.05') }} | |
| steps: | |
| - name: checkout | |
| uses: actions/checkout@v4 | |
| - name: Install Nix | |
| uses: cachix/install-nix-action@v24 | |
| with: | |
| extra_nix_config: | | |
| substituters = https://nix-cache.lowrisc.org/public/ https://cache.nixos.org/ | |
| trusted-public-keys = nix-cache.lowrisc.org-public-1:O6JLD0yXzaJDPiQW1meVu32JIDViuaPtGDfjlOopU7o= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= | |
| - name: Setup Cache | |
| if: github.event_name != 'pull_request' | |
| run: | | |
| nix profile install nixpkgs#attic-client | |
| attic login --set-default lowrisc https://nix-cache.lowrisc.org/ ${{ secrets.NIX_CACHE_TOKEN }} | |
| - name: Build | |
| run: | | |
| # For derivations with multiple outputs, this produces a list that references all the outputs. | |
| OUTPUTS=$(nix eval .#${{ matrix.attr }} --apply 'd: d.outputs' --json | jq -r 'map(".#${{ matrix.attr }}." + .) | join(" ")') | |
| nix build $OUTPUTS --accept-flake-config -L | |
| - name: Upload Cache | |
| if: github.event_name != 'pull_request' | |
| run: | | |
| attic push public result* | |
| # Summarise check status with a single job for GitHub branch protection rule | |
| status: | |
| needs: | |
| - check | |
| - build | |
| if: ${{ always() }} | |
| name: Status | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Check check status | |
| if: ${{ needs.check.result != 'success' }} | |
| run: exit 1 | |
| - name: Check build status | |
| if: ${{ needs.build.result != 'success' && needs.build.result != 'skipped' }} | |
| run: exit 1 |