feat(build-rs): Add the 'error' directive #14910
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r? @weihanglo rustbot has assigned @weihanglo. Use |
rustbot
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A-build-scripts
Our MSRV is much higher than 1.77. Also, as time goes on, there is less incentive to drop it below 1.77, especially with the MSRV-aware resolver in 1.84
These didn't require an MSRV bump. Worse case, some metadata will be emitted but that shouldn't impact things too negatively.
weihanglo
reviewed
Dec 9, 2024
| @@ -6,8 +6,11 @@ | |||
| //! | |||
| //! Reference: <https://doc.rust-lang.org/cargo/reference/build-scripts.html#outputs-of-the-build-script> | |||
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|
|||
| use std::ffi::OsStr; | |||
| use std::path::Path; | |||
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The rustfmt feature is unstable :(
| write!(directive, ", {key}").expect("writing to string should be infallible"); | ||
| } | ||
| emit("rustc-check-cfg", format_args!("cfg({directive})")); | ||
| let mut directive = keys[0].to_string(); |
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This is pretty much unrelated to the error directive and may have other impacts (which is extremely rare I also believe). While I am fine with each change in this PR, should they be broken down to multiple PRs?
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The MSRV for this crate is 1.81. check-cfg was added in 1.80. This would only be a concern if/when we drop the MSRV further.
weihanglo
approved these changes
Dec 9, 2024
|
CC @CAD97 |
CAD97
approved these changes
Dec 9, 2024
| #[track_caller] | ||
| pub fn error(message: &str) { | ||
| if message.contains('\n') { | ||
| panic!("cannot emit warning: message contains newline"); |
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Suggested change
| panic!("cannot emit warning: message contains newline"); | |
| panic!("cannot emit error: message contains newline"); |
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Follow up to #14910 <!-- Thanks for submitting a pull request 🎉! Here are some tips for you: * If this is your first contribution, read "Cargo Contribution Guide" first: https://doc.crates.io/contrib/ * Run `cargo fmt --all` to format your code changes. * Small commits and pull requests are always preferable and easy to review. * If your idea is large and needs feedback from the community, read how: https://doc.crates.io/contrib/process/#working-on-large-features * Cargo takes care of compatibility. Read our design principles: https://doc.crates.io/contrib/design.html * When changing help text of cargo commands, follow the steps to generate docs: https://github.com/rust-lang/cargo/tree/master/src/doc#building-the-man-pages * If your PR is not finished, set it as "draft" PR or add "WIP" in its title. * It's ok to use the CI resources to test your PR, but please don't abuse them. ### What does this PR try to resolve? Explain the motivation behind this change. A clear overview along with an in-depth explanation are helpful. You can use `Fixes #<issue number>` to associate this PR to an existing issue. ### How should we test and review this PR? Demonstrate how you test this change and guide reviewers through your PR. With a smooth review process, a pull request usually gets reviewed quicker. If you don't know how to write and run your tests, please read the guide: https://doc.crates.io/contrib/tests ### Additional information Other information you want to mention in this PR, such as prior arts, future extensions, an unresolved problem, or a TODO list. -->
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Update cargo 18 commits in 20a443231846b81c7b909691ec3f15eb173f2b18..7847c03965260b5dcc8d93218d6af295a717abb6 2024-12-06 21:56:56 +0000 to 2024-12-13 18:06:39 +0000 - fix(base): Support bases in patches in virtual manifests (rust-lang/cargo#14931) - fix(resolver): Report invalid index entries (rust-lang/cargo#14927) - feat: Implement `--depth workspace` for `cargo tree` command (rust-lang/cargo#14928) - fix(resolver): In errors, show rejected versions over alt versions (rust-lang/cargo#14923) - fix: emit_serialized_unit_graph uses the configured shell (rust-lang/cargo#14926) - fix(script): Don't override the release profile (rust-lang/cargo#14925) - feature(SourceId): use stable hash from rustc-stable-hash (rust-lang/cargo#14917) - fix(resolver): Don't report all versions as rejected (rust-lang/cargo#14921) - fix(resolver): Report unmatched versions, rather than saying no package (rust-lang/cargo#14897) - fix(build-rs): Implicitly report rerun-if-env-changed for input (rust-lang/cargo#14911) - a faster hash for ActivationsKey (rust-lang/cargo#14915) - feat(build-script): Pass CARGO_CFG_FEATURE (rust-lang/cargo#14902) - fix(build-rs): Correctly refer to the item in assert (rust-lang/cargo#14913) - chore: update auto-label to include build-rs crate (rust-lang/cargo#14912) - refactor: use Path::push to construct remap-path-prefix (rust-lang/cargo#14908) - feat(build-rs): Add the 'error' directive (rust-lang/cargo#14910) - fix(build-std): determine root crates by target spec `std:bool` (rust-lang/cargo#14899) - SemVer: Add section on RPIT capturing (rust-lang/cargo#14849)
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Update cargo 19 commits in 20a443231846b81c7b909691ec3f15eb173f2b18..769f622e12db0001431d8ae36d1093fb8727c5d9 2024-12-06 21:56:56 +0000 to 2024-12-14 04:27:35 +0000 - test(build-std): dont require rustup (rust-lang/cargo#14933) - fix(base): Support bases in patches in virtual manifests (rust-lang/cargo#14931) - fix(resolver): Report invalid index entries (rust-lang/cargo#14927) - feat: Implement `--depth workspace` for `cargo tree` command (rust-lang/cargo#14928) - fix(resolver): In errors, show rejected versions over alt versions (rust-lang/cargo#14923) - fix: emit_serialized_unit_graph uses the configured shell (rust-lang/cargo#14926) - fix(script): Don't override the release profile (rust-lang/cargo#14925) - feature(SourceId): use stable hash from rustc-stable-hash (rust-lang/cargo#14917) - fix(resolver): Don't report all versions as rejected (rust-lang/cargo#14921) - fix(resolver): Report unmatched versions, rather than saying no package (rust-lang/cargo#14897) - fix(build-rs): Implicitly report rerun-if-env-changed for input (rust-lang/cargo#14911) - a faster hash for ActivationsKey (rust-lang/cargo#14915) - feat(build-script): Pass CARGO_CFG_FEATURE (rust-lang/cargo#14902) - fix(build-rs): Correctly refer to the item in assert (rust-lang/cargo#14913) - chore: update auto-label to include build-rs crate (rust-lang/cargo#14912) - refactor: use Path::push to construct remap-path-prefix (rust-lang/cargo#14908) - feat(build-rs): Add the 'error' directive (rust-lang/cargo#14910) - fix(build-std): determine root crates by target spec `std:bool` (rust-lang/cargo#14899) - SemVer: Add section on RPIT capturing (rust-lang/cargo#14849)
github-actions bot
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Dec 15, 2024
Update cargo 19 commits in 20a443231846b81c7b909691ec3f15eb173f2b18..769f622e12db0001431d8ae36d1093fb8727c5d9 2024-12-06 21:56:56 +0000 to 2024-12-14 04:27:35 +0000 - test(build-std): dont require rustup (rust-lang/cargo#14933) - fix(base): Support bases in patches in virtual manifests (rust-lang/cargo#14931) - fix(resolver): Report invalid index entries (rust-lang/cargo#14927) - feat: Implement `--depth workspace` for `cargo tree` command (rust-lang/cargo#14928) - fix(resolver): In errors, show rejected versions over alt versions (rust-lang/cargo#14923) - fix: emit_serialized_unit_graph uses the configured shell (rust-lang/cargo#14926) - fix(script): Don't override the release profile (rust-lang/cargo#14925) - feature(SourceId): use stable hash from rustc-stable-hash (rust-lang/cargo#14917) - fix(resolver): Don't report all versions as rejected (rust-lang/cargo#14921) - fix(resolver): Report unmatched versions, rather than saying no package (rust-lang/cargo#14897) - fix(build-rs): Implicitly report rerun-if-env-changed for input (rust-lang/cargo#14911) - a faster hash for ActivationsKey (rust-lang/cargo#14915) - feat(build-script): Pass CARGO_CFG_FEATURE (rust-lang/cargo#14902) - fix(build-rs): Correctly refer to the item in assert (rust-lang/cargo#14913) - chore: update auto-label to include build-rs crate (rust-lang/cargo#14912) - refactor: use Path::push to construct remap-path-prefix (rust-lang/cargo#14908) - feat(build-rs): Add the 'error' directive (rust-lang/cargo#14910) - fix(build-std): determine root crates by target spec `std:bool` (rust-lang/cargo#14899) - SemVer: Add section on RPIT capturing (rust-lang/cargo#14849)
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What does this PR try to resolve?
My previous audit mostly focused on env variables and missed that
cargo::errorhadn't been added yet.This also includes other clean up along the way to #14902 and fixing of some env variable handling that I'm working towards.
How should we test and review this PR?
Additional information