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Forbid stage arguments to check

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Users generally expect that check builds are fast, and that's only true in stage
0 (stages beyond that need us to build a compiler, which is slow).
This commit is contained in:
Mark Rousskov 2020-05-13 11:32:43 -04:00
parent 750db09fa8
commit 2b42a2b541
1 changed files with 14 additions and 0 deletions
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14
src/bootstrap/flags.rs
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@ -503,6 +503,20 @@ Arguments:
}
};
if let Subcommand::Check { .. } = &cmd {
if matches.opt_str("stage").is_some() {
println!("{}", "--stage not supported for x.py check, always treated as stage 0");
process::exit(1);
}
if matches.opt_str("keep-stage").is_some() {
println!(
"{}",
"--keep-stage not supported for x.py check, only one stage available"
);
process::exit(1);
}
}
Flags {
verbose: matches.opt_count("verbose"),
stage: matches.opt_str("stage").map(|j| j.parse().expect("`stage` should be a number")),