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Add resolver opt-in for new feature resolver. #8129

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merged 2 commits into from
Apr 20, 2020

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ehuss
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@ehuss ehuss commented Apr 17, 2020

This adds a new resolver field to Cargo.toml to provide an opt-in mechanism for backwards-incompatible resolver changes. This enables the new feature resolver and -Zpackage-features. See unstable.md for documentation.

cc #8088

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r? @alexcrichton

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@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Apr 17, 2020
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Looks great to me!

MaybePackage::Package(p) => p.manifest().resolve_behavior(),
MaybePackage::Virtual(vm) => vm.resolve_behavior(),
}
.unwrap_or(ResolveBehavior::V1);
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The default here is written down in a few places, but could Option be plumbed through further perhaps? Ideally we'd only have one location where None is resolved to the actual resolve version, and that'd also ideally be at a location where we have contextual information like the workspace/package/etc to look at edition values.

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Yep, I'm not sure why I didn't do that initially.

@ehuss ehuss force-pushed the resolver-behavior branch from 3060b73 to 323d7a8 Compare April 19, 2020 16:04
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@bors: r+

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bors commented Apr 20, 2020

📌 Commit 323d7a8 has been approved by alexcrichton

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Apr 20, 2020
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bors commented Apr 20, 2020

⌛ Testing commit 323d7a8 with merge c374809...

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bors commented Apr 20, 2020

☀️ Test successful - checks-azure
Approved by: alexcrichton
Pushing c374809 to master...

@bors bors merged commit c374809 into rust-lang:master Apr 20, 2020
bors added a commit to rust-lang-ci/rust that referenced this pull request Apr 22, 2020
Update cargo, rls

## cargo

17 commits in ebda5065ee8a1e46801380abcbac21a25bc7e755..8751eb3010d4cdb5329b5a6bd2b6d765c95b0dca
2020-04-16 14:28:43 +0000 to 2020-04-21 18:04:35 +0000
- Uplift windows gnu DLL import libraries. (rust-lang/cargo#8141)
- Add windows-gnu CI and fix tests (rust-lang/cargo#8139)
- Several updates to token/index handling. (rust-lang/cargo#7973)
- Add `resolver` opt-in for new feature resolver. (rust-lang/cargo#8129)
- Improve error message when running `cargo install .` (rust-lang/cargo#8137)
- fix mem replace unused (rust-lang/cargo#8138)
- Change `-Cembed-bitcode=no` use to `-Cbitcode-in-rlib=no`. (rust-lang/cargo#8134)
- Refactor BuildContext (rust-lang/cargo#8068)
- Rename allows_underscores to allows_dashes. (rust-lang/cargo#8135)
- Fixed a needless borrow. (rust-lang/cargo#8130)
- Add link to changelog in the Cargo book. (rust-lang/cargo#8126)
- Fix target for doc test cross compilation (rust-lang/cargo#8094)
- Add note about .cargo/config support. (rust-lang/cargo#8125)
- Fix pdb uplift when executable has dashes. (rust-lang/cargo#8123)
- Hint upgrading for future edition keys (rust-lang/cargo#8122)
- Use some fs shorthand functions. (rust-lang/cargo#8124)
- Update documentation to mention "config.toml" instead of "config" (rust-lang/cargo#8121)

## rls

1 commits in 2659cbf14bfb0929a16d7ce9b6858d0bb286ede7..7de2a1f299f8744ffe109139f9f1fdf28bfec909
2020-04-14 22:07:24 +0200 to 2020-04-19 22:41:55 +0000
- Update cargo (rust-lang/rls#1663)
@ehuss ehuss added this to the 1.45.0 milestone Feb 6, 2022
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4 participants