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run: Treat jj run -j0 <command> as use all available cores

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Waleed noticed this in #4021.
This commit is contained in:
Philip Metzger 2024-07-24 20:16:03 +02:00 committed by Philip Metzger
parent ef0560413d
commit fa7f4e68c5
1 changed files with 1 additions and 2 deletions
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3
cli/src/commands/run.rs
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@ -59,9 +59,8 @@ pub fn cmd_run(ui: &mut Ui, command: &CommandHelper, args: &RunArgs) -> Result<(
// 2. the amount of cores available. // 2. the amount of cores available.
// 3. a single job, if all of the above fails. // 3. a single job, if all of the above fails.
let _jobs = match args.jobs { let _jobs = match args.jobs {
Some(0) => return Err(user_error("must pass at least one job")), Some(0) | None => std::thread::available_parallelism().map(|t| t.into()).ok(),
Some(jobs) => Some(jobs), Some(jobs) => Some(jobs),
None => std::thread::available_parallelism().map(|t| t.into()).ok(),
} }
// Fallback to a single user-visible job. // Fallback to a single user-visible job.
.unwrap_or(1usize); .unwrap_or(1usize);