sbt-mima-plugin
cargo-semver-checks
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| sbt-mima-plugin | cargo-semver-checks | |
|---|---|---|
| 2 | 18 | |
| 447 | 901 | |
| 0.4% | - | |
| 7.5 | 9.3 | |
| 8 days ago | 7 days ago | |
| Scala | Rust | |
| Apache License 2.0 | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
sbt-mima-plugin
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Semver violations are common, better tooling is the answer
In the Scala ecosystem, MiMa [1] has been in widespread use for years. It automatically checks compatibility for the binary API of a library. Every library with any amount of success uses it. One could say it's the foundation of a stable ecosystem. We also have sbt-version-policy [2] to set it up with minimal configuration (and directly relate it to SemVer).
More recently, we got tasty-mima [3], which checks compatibility at the type system level, rather than the binary level.
[1] https://github.com/lightbend/mima
[2] https://github.com/scalacenter/sbt-version-policy
[3] https://github.com/scalacenter/tasty-mima
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sbt/scalatest library or plugin that only re-runs tests for code that changed
Off the top of my head, a naive & approximate solution would be to use test coverage to find out which tests test which blocks of code. Then, when a binary, syntactic incompatibility is detected, re-run only these tests captured for that piece of code.
cargo-semver-checks
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Semver violations are common, better tooling is the answer
If you'd like to dig deeper, here are some links:
- cargo-semver-checks: https://github.com/obi1kenobi/cargo-semver-checks
- Trustfall query engine, which powers cargo-semver-checks: https://github.com/obi1kenobi/trustfall
- Trustfall playground, where you can query Rust library APIs in your browser -- for example, "which structs in `itertools` are importable by more than one path": https://play.predr.ag/rustdoc#?f=2&q=*3-Structs-importable-f...
- 10min conference talk on Trustfall: https://www.hytradboi.com/2022/how-to-query-almost-everythin...
I'm also giving a talk at P99 CONF in a few months about how Trustfall's new optimizations API made cargo-semver-checks over 2300x faster: https://twitter.com/PredragGruevski/status/16893002495908003...
- Cargo-semver-checks: Scan your Rust crate for semver violations
- cargo-semver-checks v0.20 and Trustfall v0.4 released — semver-check up to 2354x faster
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err-as-you-go crate - anyhow meets thiserror
I strongly recommend that anybody creating new error types for public APIs read Study of std::io::Error by u/matklad to see some ways that error types can [need to] be future-proofed. I don't know if cargo-semver-checks can catch these issues when they're generated by a macro, but it'd be something people using this crate should carefully look into.
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Re-exporting an enum with a type alias is breaking, but not major
cargo-semver-checks will implement a check for cases like this, and many other hazards like it. The check will be major, or minor, or just a hazard — whatever the overall community decides is right.
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cargo-semver-checks v0.18.0: rustdoc caching, new lints & more
Full release notes: https://github.com/obi1kenobi/cargo-semver-checks/releases/tag/v0.18.0
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cargo-semver-checks v0.17 is out: correct re-export handling
Release notes, TL;DR: Rust 1.65+ only, no more false positives due to moved+re-exported items.
- Semver implications of `#[non_exhaustive]` behavior on tuple/unit enum variants · Issue #304 · obi1kenobi/cargo-semver-checks
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