Nix CI #862
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| name: Nix CI | |
| "on": | |
| push: | |
| # don't run on tags, run on commits | |
| # https://github.com/orgs/community/discussions/25615 | |
| tags-ignore: | |
| - '**' | |
| branches: | |
| - '**' | |
| pull_request: {} | |
| release: | |
| types: [edited] | |
| schedule: | |
| - cron: 0 0 * * * | |
| workflow_dispatch: {} | |
| env: | |
| # https://stackoverflow.com/a/71158878 | |
| git_pull: git pull --rebase origin ${{ github.head_ref || github.ref_name }} | |
| jobs: | |
| # Check if the action code changed | |
| check-action-code-changes: | |
| name: Check if action code changed | |
| runs-on: ubuntu-latest | |
| outputs: | |
| any_changed: ${{ steps.any_changed.outputs.any_changed }} | |
| steps: | |
| - uses: actions/checkout@v3 | |
| with: | |
| fetch-depth: 2 | |
| - uses: tj-actions/changed-files@v38 | |
| id: any_changed | |
| with: | |
| files: | | |
| src/** | |
| package.json | |
| package-lock.json | |
| flake.lock | |
| flake.nix | |
| # Build the action if there are changes | |
| # Commit and push the built code | |
| build: | |
| name: Build the action | |
| runs-on: ubuntu-20.04 | |
| permissions: | |
| contents: write | |
| actions: write | |
| needs: check-action-code-changes | |
| if: needs.check-action-code-changes.outputs.any_changed | |
| steps: | |
| - uses: actions/checkout@v3 | |
| - uses: nixbuild/nix-quick-install-action@v26 | |
| - name: Restore and save Nix store | |
| uses: ./. | |
| with: | |
| primary-key: build-${{ runner.os }}-${{ hashFiles('**/package-lock.json', 'package.json') }} | |
| paths: | | |
| ~/.npm | |
| .venv | |
| # do purge caches | |
| purge: true | |
| # purge all versions of the cache | |
| purge-prefixes: build-${{ runner.os }}- | |
| # 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: Install packages & Build the action | |
| run: nix run .#install | |
| - name: Update docs | |
| run: nix run .#write | |
| - name: Commit & Push changes | |
| if: github.event_name == 'push' | |
| run: | | |
| git config --global user.name github-actions | |
| git config --global user.email [email protected] | |
| ${{ env.git_pull }} --autostash | |
| git add dist | |
| git commit -m "action: build the action" || echo "" | |
| git add . | |
| git commit -m "action: update docs" || echo "" | |
| git push | |
| # If ci.yaml changes, need to save a new cache with an updated key | |
| # For the sake of testing, we assume that ci.yaml changes on every commit | |
| check-cache-changes: | |
| name: Check cache changes | |
| needs: build | |
| runs-on: ubuntu-20.04 | |
| if: always() | |
| outputs: | |
| # assume files-changed so that the 'similar-caches' jobs run always | |
| files-changed: true | |
| # the following line is more fair | |
| # files-changed: ${{ steps.files-changed.outputs.any_changed }} | |
| steps: | |
| - uses: actions/checkout@v3 | |
| with: | |
| fetch-depth: 2 | |
| - uses: tj-actions/changed-files@v38 | |
| id: files-changed | |
| with: | |
| files: | | |
| .github/workflows/ci.yaml | |
| # Make individual caches with an `id` infix (`id` caches) | |
| # Restore `id` or `common` caches | |
| # Usually, there should be no `id` caches as they're purged by `merge-similar-caches` | |
| make-similar-caches: | |
| name: Make similar caches | |
| needs: check-cache-changes | |
| permissions: | |
| actions: write | |
| strategy: | |
| matrix: | |
| os: | |
| - macos-11 | |
| - macos-12 | |
| - ubuntu-20.04 | |
| - ubuntu-22.04 | |
| id: | |
| - 1 | |
| - 2 | |
| runs-on: ${{ matrix.os }} | |
| if: always() && needs.check-cache-changes.outputs.files-changed | |
| steps: | |
| - name: Checkout this repo | |
| uses: actions/checkout@v3 | |
| - name: Rebase | |
| run: ${{ env.git_pull }} | |
| - uses: nixbuild/nix-quick-install-action@v26 | |
| - name: Restore and save Nix store - ${{ matrix.id }} | |
| uses: ./. | |
| with: | |
| # save a new cache every time `ci.yaml` changes | |
| primary-key: similar-cache-${{ matrix.os }}-individual-${{ matrix.id }}-${{ hashFiles('.github/workflows/ci.yaml') }} | |
| # otherwise, restore a common cache if and only if it matches the current `ci.yaml` | |
| restore-prefixes-first-match: similar-cache-${{ matrix.os }}-common-${{ hashFiles('.github/workflows/ci.yaml') }} | |
| # do purge caches | |
| purge: true | |
| # purge all versions of the cache | |
| purge-prefixes: similar-cache-${{ matrix.os }}-individual-${{ matrix.id }}- | |
| # 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 | |
| # Merge similar individual `id` caches | |
| # Purge individual caches and old `common` caches | |
| # Save new `common` caches | |
| merge-similar-caches: | |
| name: Merge similar caches | |
| needs: [check-cache-changes, make-similar-caches] | |
| permissions: | |
| actions: write | |
| strategy: | |
| matrix: | |
| os: | |
| - macos-11 | |
| - macos-12 | |
| - ubuntu-20.04 | |
| - ubuntu-22.04 | |
| runs-on: ${{ matrix.os }} | |
| if: always() && needs.check-cache-changes.outputs.files-changed | |
| steps: | |
| - name: Checkout this repo | |
| uses: actions/checkout@v3 | |
| - name: Rebase | |
| run: ${{ env.git_pull }} | |
| - uses: nixbuild/nix-quick-install-action@v26 | |
| - name: Restore and save Nix store | |
| uses: ./. | |
| with: | |
| primary-key: similar-cache-${{ matrix.os }}-common-${{ hashFiles('.github/workflows/ci.yaml') }} | |
| # when there's a common cache hit, don't restore individual caches | |
| skip-restore-on-hit-primary-key: true | |
| # otherwise, restore individual caches, but not their old versions | |
| restore-prefixes-all-matches: | | |
| similar-cache-${{ matrix.os }}-individual-1-${{ hashFiles('.github/workflows/ci.yaml') }} | |
| similar-cache-${{ matrix.os }}-individual-2-${{ hashFiles('.github/workflows/ci.yaml') }} | |
| # do purge caches | |
| purge: true | |
| # purge all versions of the cache | |
| purge-prefixes: similar-cache-${{ matrix.os }}-common- | |
| # 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 | |
| compare-run-times: | |
| name: Job with caching | |
| needs: merge-similar-caches | |
| permissions: | |
| actions: write | |
| strategy: | |
| matrix: | |
| do-cache: | |
| - true | |
| - false | |
| os: | |
| - macos-11 | |
| - macos-12 | |
| - ubuntu-20.04 | |
| - ubuntu-22.04 | |
| runs-on: ${{ matrix.os }} | |
| if: always() | |
| steps: | |
| - name: Checkout this repo | |
| uses: actions/checkout@v3 | |
| - name: Rebase | |
| run: ${{ env.git_pull }} | |
| - uses: nixbuild/nix-quick-install-action@v26 | |
| - name: Restore and save Nix store | |
| if: ${{ matrix.do-cache }} | |
| uses: ./. | |
| with: | |
| # save a new cache every time ci file changes | |
| primary-key: cache-${{ matrix.os }}-${{ hashFiles('.github/workflows/ci.yaml') }} | |
| restore-prefixes-first-match: cache-${{ matrix.os }}- | |
| # do purge caches | |
| purge: true | |
| # purge all versions of the cache | |
| purge-prefixes: cache-${{ matrix.os }}- | |
| # 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 | |
| # and collect garbage in the Nix store until it reaches this size in bytes | |
| gc-max-store-size: 8000000000 | |
| # Uncomment to debug this job | |
| # - name: Setup tmate session | |
| # uses: mxschmitt/action-tmate@v3 | |
| - name: Show profile | |
| run: nix profile list | |
| - name: Lock and install nixpkgs | |
| run: | | |
| nix registry add nixpkgs github:NixOS/nixpkgs/5daaa32204e9c46b05cd709218b7ba733d07e80c | |
| nix registry list | |
| nix profile install $(nix flake archive nixpkgs --json | jq -r '.path') | |
| - name: Show profile | |
| run: nix profile list | |
| - name: Run commands | |
| run: | | |
| nix run nixpkgs#hello | |
| nix profile install nixpkgs#hello | |
| nix profile install nixpkgs#cachix | |
| nix profile install nixpkgs#nixpkgs-fmt | |
| nix profile install nixpkgs#alejandra | |
| nix profile install nixpkgs#nixd | |
| nix profile install nixpkgs#ghc | |
| nix profile install nixpkgs#haskell-language-server | |
| nix profile install nixpkgs#purescript | |
| nix profile install nixpkgs#nodejs_18 | |
| - name: Show profile | |
| run: nix profile list |