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https://github.com/rust-lang/cargo.git
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daa1bce283
This commit enables pipelined compilation by default in Cargo now that the requisite support has been stablized in rust-lang/rust#62766. This involved minor updates in a number of locations here and there, but nothing of meat has changed from the original implementation (just tweaks to how rustc is called).
108 lines
3.5 KiB
Rust
108 lines
3.5 KiB
Rust
use crate::support::paths::CargoPathExt;
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use crate::support::{basic_manifest, project};
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use std::env;
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#[cargo_test]
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fn rustc_info_cache() {
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// FIXME: when pipelining rides to stable, enable this test on all channels.
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if !crate::support::is_nightly() {
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return;
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}
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let p = project()
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.file("src/main.rs", r#"fn main() { println!("hello"); }"#)
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.build();
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let miss = "[..] rustc info cache miss[..]";
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let hit = "[..]rustc info cache hit[..]";
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let update = "[..]updated rustc info cache[..]";
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p.cargo("build")
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.env("CARGO_LOG", "cargo::util::rustc=debug")
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.with_stderr_contains("[..]failed to read rustc info cache[..]")
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.with_stderr_contains(miss)
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.with_stderr_does_not_contain(hit)
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.with_stderr_contains(update)
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.run();
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p.cargo("build")
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.env("CARGO_LOG", "cargo::util::rustc=debug")
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.with_stderr_contains("[..]reusing existing rustc info cache[..]")
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.with_stderr_contains(hit)
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.with_stderr_does_not_contain(miss)
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.with_stderr_does_not_contain(update)
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.run();
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p.cargo("build")
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.env("CARGO_LOG", "cargo::util::rustc=debug")
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.env("CARGO_CACHE_RUSTC_INFO", "0")
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.with_stderr_contains("[..]rustc info cache disabled[..]")
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.with_stderr_does_not_contain(update)
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.run();
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let other_rustc = {
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let p = project()
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.at("compiler")
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.file("Cargo.toml", &basic_manifest("compiler", "0.1.0"))
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.file(
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"src/main.rs",
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r#"
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use std::process::Command;
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use std::env;
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fn main() {
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let mut cmd = Command::new("rustc");
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for arg in env::args_os().skip(1) {
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cmd.arg(arg);
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}
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std::process::exit(cmd.status().unwrap().code().unwrap());
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}
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"#,
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)
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.build();
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p.cargo("build").run();
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p.root()
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.join("target/debug/compiler")
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.with_extension(env::consts::EXE_EXTENSION)
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};
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p.cargo("build")
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.env("CARGO_LOG", "cargo::util::rustc=debug")
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.env("RUSTC", other_rustc.display().to_string())
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.with_stderr_contains("[..]different compiler, creating new rustc info cache[..]")
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.with_stderr_contains(miss)
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.with_stderr_does_not_contain(hit)
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.with_stderr_contains(update)
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.run();
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p.cargo("build")
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.env("CARGO_LOG", "cargo::util::rustc=debug")
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.env("RUSTC", other_rustc.display().to_string())
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.with_stderr_contains("[..]reusing existing rustc info cache[..]")
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.with_stderr_contains(hit)
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.with_stderr_does_not_contain(miss)
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.with_stderr_does_not_contain(update)
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.run();
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other_rustc.move_into_the_future();
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p.cargo("build")
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.env("CARGO_LOG", "cargo::util::rustc=debug")
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.env("RUSTC", other_rustc.display().to_string())
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.with_stderr_contains("[..]different compiler, creating new rustc info cache[..]")
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.with_stderr_contains(miss)
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.with_stderr_does_not_contain(hit)
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.with_stderr_contains(update)
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.run();
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p.cargo("build")
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.env("CARGO_LOG", "cargo::util::rustc=debug")
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.env("RUSTC", other_rustc.display().to_string())
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.with_stderr_contains("[..]reusing existing rustc info cache[..]")
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.with_stderr_contains(hit)
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.with_stderr_does_not_contain(miss)
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.with_stderr_does_not_contain(update)
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.run();
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}
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