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internal: Utilize cargo check --compile-time-deps

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This commit is contained in:
Shoyu Vanilla 2025-06-19 22:56:50 +09:00
parent df50136c23
commit 98c92fa879
1 changed files with 24 additions and 2 deletions
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26
crates/project-model/src/build_dependencies.rs
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@ -20,7 +20,9 @@ use toolchain::Tool;
use crate::{
CargoConfig, CargoFeatures, CargoWorkspace, InvocationStrategy, ManifestPath, Package, Sysroot,
TargetKind, utf8_stdout,
TargetKind,
toolchain_info::{QueryConfig, version},
utf8_stdout,
};
/// Output of the build script and proc-macro building steps for a workspace.
@ -446,10 +448,30 @@ impl WorkspaceBuildScripts {
}
};
if config.wrap_rustc_in_build_scripts {
// If [`--compile-time-deps` flag](https://github.com/rust-lang/cargo/issues/14434) is
// available in current toolchain's cargo, use it to build compile time deps only.
const COMP_TIME_DEPS_MIN_TOOLCHAIN_VERSION: semver::Version = semver::Version {
major: 1,
minor: 90,
patch: 0,
pre: semver::Prerelease::EMPTY,
build: semver::BuildMetadata::EMPTY,
};
let query_config = QueryConfig::Cargo(sysroot, manifest_path);
let toolchain = version::get(query_config, &config.extra_env).ok().flatten();
let cargo_comp_time_deps_available =
toolchain.is_some_and(|v| v >= COMP_TIME_DEPS_MIN_TOOLCHAIN_VERSION);
if cargo_comp_time_deps_available {
cmd.env("__CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS", "nightly");
cmd.arg("-Zunstable-options");
cmd.arg("--compile-time-deps");
} else if config.wrap_rustc_in_build_scripts {
// Setup RUSTC_WRAPPER to point to `rust-analyzer` binary itself. We use
// that to compile only proc macros and build scripts during the initial
// `cargo check`.
// We don't need this if we are using `--compile-time-deps` flag.
let myself = std::env::current_exe()?;
cmd.env("RUSTC_WRAPPER", myself);
cmd.env("RA_RUSTC_WRAPPER", "1");