Restore compatibility with windows-sys 0.52#238
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windows-sys 0.59 changed `HANDLE` from `isize` to `*mut c_void`. This only matters in two places that check for null. Doing that check in terms of std's `RawHandle` before converting to the windows-sys type makes the code compatible with either version.
hanna-kruppe
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Jan 11, 2025
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| INITIAL | ||
| .get_or_init(|| get_colors_(&std::io::stdout())) | ||
| .clone() | ||
| .map_err(Into::into) | ||
| (*INITIAL.get_or_init(|| get_colors_(&std::io::stdout()))).map_err(Into::into) | ||
| } | ||
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| /// Cached [`get_colors`] call for [`std::io::stderr`] | ||
| pub fn stderr_initial_colors() -> StdioColorResult { | ||
| static INITIAL: std::sync::OnceLock<StdioColorInnerResult> = std::sync::OnceLock::new(); | ||
| INITIAL | ||
| .get_or_init(|| get_colors_(&std::io::stderr())) | ||
| .clone() | ||
| .map_err(Into::into) | ||
| (*INITIAL.get_or_init(|| get_colors_(&std::io::stderr()))).map_err(Into::into) |
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I applied the suggestion for clippy::clone_on_copy but I was not sure what to do about the other warning about OnceLock being too new for the MSRV:
warning: current MSRV (Minimum Supported Rust Version) is `1.66.0` but this item is stable since `1.70.0`
--> crates\anstyle-wincon\src\windows.rs:13:10
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13 | .get_or_init(|| get_colors_(&std::io::stdout()))
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#incompatible_msrv
= note: `#[warn(clippy::incompatible_msrv)]` on by default
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I've pulled the clippy changes out into #239. As for the main change, I would like to hold off for now. Multi-major versions add risks and with this being a less well tested platform, deals with unsafe, and is for an API I'm less familiar with, I'm uncomfortable doing this at this point. So far I only do this for |
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windows-sys 0.59 has been out for half a year, but a good chunk of the ecosystem hasn't fully moved off 0.52 yet. In fact, crates.io still reports slightly higher daily download numbers for 0.52 than for 0.59 up to this day. This often leads to larger workspaces pulling in both versions. Some libraries that can easily remain compatible with both versions are mitigating this by relaxing their version requirements, making it easier to stay exclusively on 0.52 until all transitive dependencies are compatible with 0.59.
It turns out that anstyle-{query,wincon} can also be made compatible with both versions, see first commit for the details.
The second commit fixes accumulated clippy warnings in windows-specific code. I guess the clippy job in CI only runs on Linux and people rarely touch this code?
Similarly, I think the compatibility with windows-sys 0.52 won't be tested in CI because the minimal-versions job only runs on Linux. I did test it manually.