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Wrap an error context for determining the amount of parallelism

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Weihang Lo 2022-03-02 19:41:31 +08:00
parent 1988bc8d37
commit 4f706ae8d5
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1 changed files with 4 additions and 2 deletions
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6
src/cargo/core/compiler/build_config.rs
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@ -1,7 +1,7 @@
use crate::core::compiler::CompileKind;
use crate::util::interning::InternedString;
use crate::util::{CargoResult, Config, RustfixDiagnosticServer};
use anyhow::bail;
use anyhow::{bail, Context as _};
use cargo_util::ProcessBuilder;
use serde::ser;
use std::cell::RefCell;
@ -73,7 +73,9 @@ impl BuildConfig {
}
let jobs = match jobs.or(cfg.jobs) {
Some(j) => j,
None => available_parallelism()?.get() as u32,
None => available_parallelism()
.context("failed to determine the amount of parallelism available")?
.get() as u32,
};
if jobs == 0 {
anyhow::bail!("jobs may not be 0");