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Auto merge of #10458 - samueltardieu:multithreading-lintcheck, r=llogiq

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lintcheck: use multithreading unless --fix or --recursive is used

Use multithreading unless there is a reason not to.

changelog: none
This commit is contained in:
bors 2023-03-09 17:01:20 +00:00
commit a45f71265c
1 changed files with 14 additions and 5 deletions
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19
lintcheck/src/config.rs
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@ -1,10 +1,16 @@
use clap::Parser; use clap::Parser;
use std::path::PathBuf; use std::{num::NonZeroUsize, path::PathBuf};
#[derive(Clone, Debug, Parser)] #[derive(Clone, Debug, Parser)]
pub(crate) struct LintcheckConfig { pub(crate) struct LintcheckConfig {
/// Number of threads to use, 0 automatic choice /// Number of threads to use (default: all unless --fix or --recursive)
#[clap(long = "jobs", short = 'j', value_name = "N", default_value_t = 1)] #[clap(
long = "jobs",
short = 'j',
value_name = "N",
default_value_t = 0,
hide_default_value = true
)]
pub max_jobs: usize, pub max_jobs: usize,
/// Set the path for a crates.toml where lintcheck should read the sources from /// Set the path for a crates.toml where lintcheck should read the sources from
#[clap( #[clap(
@ -51,8 +57,11 @@ impl LintcheckConfig {
// look at the --threads arg, if 0 is passed, use the threads count // look at the --threads arg, if 0 is passed, use the threads count
if config.max_jobs == 0 { if config.max_jobs == 0 {
// automatic choice config.max_jobs = if config.fix || config.recursive {
config.max_jobs = std::thread::available_parallelism().map_or(1, |n| n.get()); 1
} else {
std::thread::available_parallelism().map_or(1, NonZeroUsize::get)
};
}; };
for lint_name in &mut config.lint_filter { for lint_name in &mut config.lint_filter {