Move all `sys::ext` modules to `os`#84200

CDirkx · 2021-04-14T20:38:20Z

This PR moves all sys::ext modules to os, centralizing the location of all os code and simplifying the dependencies between os and sys.

Because this also removes all uses cfg_if! on publicly exported items, where after #81969 there were still a few left, this should properly work around rust-lang/rust-analyzer#6038.

@rustbot label: +T-libs-impl

rust-highfive · 2021-04-14T20:38:23Z

r? @m-ou-se

(rust-highfive has picked a reviewer for you, use r? to override)

CDirkx · 2021-04-14T20:40:38Z

library/std/src/os/mod.rs

The stability attributes on these re-exports don't affect the stability of the exported items.

CDirkx · 2021-04-14T22:31:23Z

Not really sure about the error, building for x86_64-unknown-linux-gnu works for me locally.

m-ou-se · 2021-04-16T12:03:39Z

Not really sure about the error, building for x86_64-unknown-linux-gnu works for me locally.

It only works if the directory library/std/src/os/imp exists, since pub mod linux; is trying to load library/std/src/os/imp/../linux/mod.rs. Git doesn't track empty directories, so you have this directory locally in your working directory, but it's not part of the git tree and doesn't exist after a clean checkout like in CI.

m-ou-se · 2021-04-16T12:08:38Z

(You can add #[path = "."] to the inline modules, and remove all the ../ from the paths.)

CDirkx · 2021-04-18T02:32:44Z

Oh I didn't know that could be done, thanks for the suggestion!

m-ou-se

This took some time to review, mostly because the current code (before this change) is a bit hard to follow, which this PR nicely cleans up. Thanks for doing this!

I only have one question:

m-ou-se · 2021-04-21T12:36:52Z

library/std/src/os/hermit/mod.rs

Why did this change?

Oh good catch, that is separate change I was working on that should be excluded from this PR.

(I noticed that hermit currently exports its extensions as unix, even though it is not target_os = "unix" and only contains OsStringExt (which might be confusing for users expecting e.g. sys::os::unix::fs::FileExt). I spoke with someone working on Hermit about whether this was intentional; and he said that currently there is no way for hermit to fully replicate everything in os::unix and that the plan is to instead move to os::hermit.)

Excluded 👍🏻

CDirkx · 2021-04-21T13:39:53Z

This took some time to review, mostly because the the current code (before this change) is a bit hard to follow

Fully agreed that the code was hard to follow, it took quite some time untangling it all.
Thanks for all the reviews you have been doing!

m-ou-se

This will fail to merge once your other PR (#84119) is merged into thet main branch, which should happen soon. So I'm waiting with the r+ until the rebase of this one.

bors · 2021-04-22T08:14:09Z

☔ The latest upstream changes (presumably #84411) made this pull request unmergeable. Please resolve the merge conflicts.

CDirkx · 2021-04-22T08:26:06Z

Rebased and resolved the merge conflicts

m-ou-se · 2021-04-22T11:42:02Z

@bors r+ rollup=iffy

bors · 2021-04-22T11:42:04Z

📌 Commit 76e03ac8fdc1b9840e0dc906f9d7c10b2a99bb8e has been approved by m-ou-se

bors · 2021-04-22T15:03:21Z

⌛ Testing commit 76e03ac8fdc1b9840e0dc906f9d7c10b2a99bb8e with merge 694f1b7949b1bb1edb51e84f939aac981ad85326...

bors · 2021-04-22T15:36:23Z

💔 Test failed - checks-actions

bors · 2021-05-03T08:08:44Z

☔ The latest upstream changes (presumably #84842) made this pull request unmergeable. Please resolve the merge conflicts.

…os::imp::unix::fs::PermissionsExt::from_mode` in Clippy

m-ou-se · 2021-05-05T13:04:59Z

Thanks again :)

@bors r+

bors · 2021-05-05T13:05:01Z

📌 Commit 2173d8d has been approved by m-ou-se

bors · 2021-05-05T14:15:23Z

⌛ Testing commit 2173d8d with merge 342db70...

bors · 2021-05-05T16:40:26Z

☀️ Test successful - checks-actions
Approved by: m-ou-se
Pushing 342db70 to master...

Move all `sys::ext` modules to `os` This PR moves all `sys::ext` modules to `os`, centralizing the location of all `os` code and simplifying the dependencies between `os` and `sys`. Because this also removes all uses `cfg_if!` on publicly exported items, where after rust-lang#81969 there were still a few left, this should properly work around rust-lang/rust-analyzer#6038. `@rustbot` label: +T-libs-impl

rustbot added the T-libs Relevant to the library team, which will review and decide on the PR/issue. label Apr 14, 2021

rust-highfive assigned m-ou-se Apr 14, 2021

rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Apr 14, 2021

CDirkx commented Apr 14, 2021

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CDirkx force-pushed the os branch from ea98321 to 8ce263a Compare April 18, 2021 02:18

m-ou-se reviewed Apr 21, 2021

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CDirkx force-pushed the os branch from 8ce263a to 318bc26 Compare April 21, 2021 13:31

m-ou-se approved these changes Apr 21, 2021

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m-ou-se added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Apr 21, 2021

CDirkx force-pushed the os branch from 318bc26 to 76e03ac Compare April 22, 2021 08:25

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-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Apr 22, 2021

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bors added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Apr 22, 2021

CDirkx force-pushed the os branch from b0fcafb to 7c17183 Compare May 1, 2021 16:42

CDirkx added 9 commits May 3, 2021 16:56

Cleanup std::os

0e2cd33

Move std::sys::hermit::ext to std::os::hermit

7024bff

Move std::sys::windows::ext to std::os::windows

ffc20e4

Move std::sys::unix::ext to std::os::unix

a808fd4

Move std::sys::wasi::ext to std::os::wasi

3edba7a

Move std::sys::sgx::ext to std::os::fortanix_sgx

e098d27

Rework os to avoid using cfg_if! with public items

a0ca3f9

Allow documenting on hermit

0caa20e

Change std::sys::unix::ext::fs::PermissionsExt::from_mode to `std::…

2173d8d

…os::imp::unix::fs::PermissionsExt::from_mode` in Clippy

CDirkx force-pushed the os branch from 7c17183 to 2173d8d Compare May 3, 2021 14:57

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 May 5, 2021

bors added the merged-by-bors This PR was explicitly merged by bors. label May 5, 2021

bors merged commit 342db70 into rust-lang:master May 5, 2021

rustbot added this to the 1.54.0 milestone May 5, 2021

CDirkx deleted the os branch May 5, 2021 18:51

CDirkx mentioned this pull request May 5, 2021

Unresolved import for platform specific modules rust-lang/rust-analyzer#6038

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