diff options
| -rw-r--r-- | src/bootstrap/flags.rs | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/bootstrap/flags.rs b/src/bootstrap/flags.rs index df378188b4a..b5d51598fab 100644 --- a/src/bootstrap/flags.rs +++ b/src/bootstrap/flags.rs @@ -136,9 +136,12 @@ To learn more about a subcommand, run `./x.py <subcommand> -h`"); let subcommand = match subcommand { Some(s) => s, None => { - // No subcommand -- show the general usage and subcommand help + // No or an invalid subcommand -- show the general usage and subcommand help + // An exit code will be 0 when no subcommand is given, and 1 in case of an invalid + // subcommand. println!("{}\n", subcommand_help); - process::exit(1); + let exit_code = if args.is_empty() { 0 } else { 1 }; + process::exit(exit_code); } }; |