Make external dependencies optional #1204
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| # Run scheduled (rolling) jobs on a nightly basis, as your crate may break independently of any | |
| # given PR. E.g., updates to rust nightly and updates to this crates dependencies. See check.yml for | |
| # information about how the concurrency cancellation and workflow triggering works | |
| permissions: | |
| contents: read | |
| on: | |
| push: | |
| branches: [master, main] | |
| pull_request: | |
| schedule: | |
| - cron: '7 7 * * *' | |
| concurrency: | |
| group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }} | |
| cancel-in-progress: true | |
| name: rolling | |
| jobs: | |
| vars: | |
| runs-on: ubuntu-latest | |
| # https://rust-lang.github.io/rustup-components-history/ | |
| outputs: | |
| nightly: nightly-2025-10-21 | |
| steps: | |
| - run: echo "dummy job" | |
| # https://twitter.com/mycoliza/status/1571295690063753218 | |
| nightly: | |
| needs: vars | |
| runs-on: ubuntu-latest | |
| name: ubuntu / ${{ matrix.toolchain }} | |
| strategy: | |
| matrix: | |
| toolchain: ["${{ needs.vars.outputs.nightly }}"] | |
| steps: | |
| - uses: actions/checkout@v4 | |
| with: | |
| submodules: true | |
| - name: Install nightly | |
| uses: dtolnay/rust-toolchain@nightly | |
| - name: cargo generate-lockfile | |
| if: hashFiles('Cargo.lock') == '' | |
| run: cargo generate-lockfile | |
| - name: cargo test --locked | |
| run: cargo test --locked --all-features --all-targets | |
| # https://twitter.com/alcuadrado/status/1571291687837732873 | |
| update: | |
| # This action checks that updating the dependencies of this crate to the latest available that | |
| # satisfy the versions in Cargo.toml does not break this crate. This is important as consumers | |
| # of this crate will generally use the latest available crates. This is subject to the standard | |
| # Cargo semver rules (i.e cargo does not update to a new major version unless explicitly told | |
| # to). | |
| needs: vars | |
| runs-on: ubuntu-latest | |
| name: ubuntu / ${{ matrix.toolchain }} / updated | |
| strategy: | |
| matrix: | |
| toolchain: ["${{ needs.vars.outputs.nightly }}"] | |
| # There's no point running this if no Cargo.lock was checked in in the first place, since we'd | |
| # just redo what happened in the regular test job. Unfortunately, hashFiles only works in if on | |
| # steps, so we repeat it. | |
| steps: | |
| - uses: actions/checkout@v4 | |
| with: | |
| submodules: true | |
| - name: Install nightly | |
| if: hashFiles('Cargo.lock') != '' | |
| uses: dtolnay/rust-toolchain@master | |
| with: | |
| toolchain: ${{ matrix.toolchain }} | |
| - name: cargo update | |
| if: hashFiles('Cargo.lock') != '' | |
| run: cargo update | |
| - name: cargo test | |
| if: hashFiles('Cargo.lock') != '' | |
| run: cargo test --locked --all-features --all-targets | |
| env: | |
| RUSTFLAGS: -D deprecated |