rust: Also add a feature for v2025_2 #3430
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Hello @cgwalters, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!
Summary of Changes
Hello! gemini-code-assist here, providing a summary of this pull request to help everyone get up to speed quickly.
This pull request, authored by cgwalters, focuses on updating the Rust bindings for the ostree library. The primary goal, as indicated by the title, is to introduce support for a new version, specifically v2025_2, by adding a corresponding feature flag in the Cargo.toml file. This change allows consumers of the Rust crate to opt into features or API changes introduced in that specific ostree version. In addition to adding the feature flag, the pull request also increments the crate's own version number, likely in preparation for a new release that includes this update.
Highlights
- Add new feature flag: A new feature flag
v2025_2is added to the[features]section inCargo.toml. This flag depends on the previousv2025_1feature and a new FFI binding featureffi/v2025_2, enabling conditional compilation for code related to thev2025_2ostree version. - Bump crate version: The version number of the
ostreecrate itself is incremented from0.20.1to0.20.2in the[package]section ofCargo.toml.
Changelog
- Cargo.toml
- Incremented the package version from
0.20.1to0.20.2(Line 12). - Added a new feature
v2025_2to the[features]section, depending onv2025_1andffi/v2025_2(Line 105).
- Incremented the package version from
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Code Review
This pull request adds a new feature flag v2025_2 for the ostree crate and bumps the crate version to 0.20.2.
The addition of the feature flag itself in Cargo.toml appears correct and follows the established pattern for versioned features in this project, including its dependency on v2025_1 and ffi/v2025_2.
There are a couple of points for discussion:
-
Versioning Strategy: The version bump to
0.20.2(a patch release) for adding a new feature flag that exposes new API bindings. This is discussed in a specific comment on the version line. It would be good to clarify the project's policy on this, especially considering past version bumps for similar feature additions. -
README Update: The
rust-bindings/README.mdfile contains instructions for updating ostree bindings, which include:add any new feature levels to Cargo.toml(done in this PR)update the example feature level in README.md in case of a new feature level(not done in this PR)
While updating the example feature to
v2025_2might not be strictly necessary, the crate version in the README example (ostree = "0.10") is significantly outdated compared to the new version0.20.2. Could this be updated to reflect a more current version to avoid confusion for new users? This would improve the developer experience and align with the documented update process.
Overall, the core change for the feature flag is well-implemented. The main point requiring attention is the versioning.
Summary of Findings
- Versioning Strategy (SemVer): The crate version was bumped by a patch (
0.20.1to0.20.2) for adding a new feature flag (v2025_2). This might be inconsistent with SemVer principles or past project practices where new features led to minor version bumps. Clarification on the project's versioning policy for such changes is recommended. - README Update Process: The documented process in
rust-bindings/README.mdfor updating ostree bindings suggests updating the example in the README when new feature levels are added. The example crate version (0.10) is also significantly outdated and could be updated.
Merge Readiness
The core change of adding the v2025_2 feature flag is correctly implemented. However, there's a question regarding the versioning strategy (patch vs. minor bump) that should be clarified before merging. Additionally, updating the README example as per the documented process would be beneficial.
I recommend discussing the versioning approach and potentially updating the README. I am unable to approve pull requests, so please ensure further review and approval from other maintainers after addressing these points.
| @@ -9,7 +9,7 @@ name = "ostree" | |||
| readme = "rust-bindings/README.md" | |||
| repository = "https://github.com/ostreedev/ostree" | |||
| rust-version = "1.77.0" | |||
| version = "0.20.1" | |||
| version = "0.20.2" | |||
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The version is bumped from 0.20.1 to 0.20.2 (a patch version increase). This PR introduces the v2025_2 feature flag, which presumably makes new API functionality available.
According to Semantic Versioning (SemVer), adding new, backwards-compatible functionality typically corresponds to a minor version increase (e.g., to 0.21.0).
Looking at the project's history:
v2023_11(adding feature) led to0.19.0->0.20.0(minor bump).v2025_1(adding feature) led to0.20.0->0.20.1(patch bump).
This change to 0.20.2 (patch bump) is consistent with the immediately preceding version bump for v2025_1.
However, could you clarify if there's a specific project policy for when adding these versioned feature flags constitutes a patch versus a minor release? Ensuring consistency with SemVer or a clearly documented internal policy would be beneficial for users tracking changes.
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