Re-implement Nix CI workflow on GitHub instead of CircleCI #36
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| name: Nix | ||
| on: | ||
| push: | ||
| branches: | ||
| - main | ||
| paths: | ||
| - '.github/workflows/nix.yml' | ||
| - 'flake.*' | ||
| - 'setup.cfg' | ||
| - '*.nix' | ||
| - '*.py' | ||
| - '*.ini' | ||
| pull_request: | ||
| paths: | ||
| - '.github/workflows/nix.yml' | ||
| - 'flake.*' | ||
| - 'setup.cfg' | ||
| - '*.nix' | ||
| - '*.py' | ||
| - '*.ini' | ||
| jobs: | ||
| packaging: | ||
| runs-on: ubuntu-22.04 | ||
| needs: check | ||
| env: | ||
| NIXPKGS: ${{ needs.check.outputs.NIXPKGS }} | ||
| NIX_PATH: ${{ needs.check.outputs.NIX_PATH }} | ||
| strategy: | ||
| fail-fast: false | ||
| matrix: | ||
| python-version: | ||
| - 311 | ||
| - 312 | ||
| nixpkgs: | ||
| - nixos-24_11 | ||
| steps: | ||
| - name: Checkout | ||
| id: checkout | ||
| uses: actions/checkout@v4 | ||
| with: | ||
| fetch-depth: 0 | ||
| fetch-tags: true | ||
| - name: Install nix | ||
| id: install_nix | ||
| uses: nixbuild/nix-quick-install-action@v28 | ||
| - name: Restore and cache Nix store for nixpkgs-${{ matrix.nixpkgs }} | ||
| uses: nix-community/cache-nix-action@v5 | ||
| with: | ||
| # restore and save a cache using this key | ||
| primary-key: python${{ matrix.python-version }}-nixpkgs-${{ matrix.nixpkgs }}-${{ hashFiles('flake.*', '*.nix') }} | ||
| # if there's no cache hit, restore a cache by this prefix | ||
| restore-prefixes-first-match: nixpkgs-${{ matrix.nixpkgs }}- | ||
| # collect garbage until Nix store size (in bytes) is at most this number | ||
| # before trying to save a new cache | ||
| gc-max-store-size-linux: 1073741824 | ||
| # do purge caches | ||
| purge: true | ||
| # purge all versions of the cache | ||
| purge-prefixes: python${{ matrix.python-version }}-nixpkgs-${{ matrix.nixpkgs }}- | ||
| # created more than 0 seconds ago relative to the start of the `Post Restore` phase | ||
| purge-created: 0 | ||
| # except the version with the `primary-key`, if it exists | ||
| purge-primary-key: never | ||
| - name: Build package | ||
| env: | ||
| # CircleCI build environment looks like it has a zillion and a half cores. | ||
| # Don't let Nix autodetect this high core count because it blows up memory | ||
| # usage and fails the test run. Pick a number of cores that suits the build | ||
| # environment we're paying for (the free one!). | ||
| DEPENDENCY_CORES: 3 | ||
| run: | | ||
| nix build \ | ||
| --verbose \ | ||
| --print-build-logs \ | ||
| --cores "$DEPENDENCY_CORES" \ | ||
| --override-input nixpkgs "$NIXPKGS" \ | ||
| .#python${{ matrix.python-version }}-tahoe-lafs | ||
| - name: Unit test | ||
| env: | ||
| # Once dependencies are built, we can allow some more concurrency for our own | ||
| # test suite. | ||
| UNITTEST_CORES: 8 | ||
| run: | | ||
| nix run \ | ||
| --override-input nixpkgs "$NIXPKGS" \ | ||
| .#python${{ matrix.python-version }}-unittest -- \ | ||
| --jobs $UNITTEST_CORES \ | ||
| allmydata | ||
