Mirrors/rust-clippy
2
0
Fork 0
mirror of https://github.com/rust-lang/rust-clippy synced 2024-11-14 17:07:17 +00:00
Code Issues Projects Releases Packages Wiki Activity

display help on empty command line arguments

Browse source
This commit is contained in:
Mikhail Babenko 2019-11-13 04:27:43 +03:00
parent 79d3b30cd7
commit 227dc44aee
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
src/driver.rs
View file

@ -268,14 +268,14 @@ pub fn main() {
// Setting RUSTC_WRAPPER causes Cargo to pass 'rustc' as the first argument.
// We're invoking the compiler programmatically, so we ignore this/
let wrapper_mode = Path::new(&orig_args[1]).file_stem() == Some("rustc".as_ref());
let wrapper_mode = orig_args.get(1).map(Path::new).and_then(Path::file_stem) == Some("rustc".as_ref());
if wrapper_mode {
// we still want to be able to invoke it normally though
orig_args.remove(1);
}
if !wrapper_mode && std::env::args().any(|a| a == "--help" || a == "-h") {
if !wrapper_mode && (orig_args.iter().any(|a| a == "--help" || a == "-h") || orig_args.len() == 1) {
display_help();
exit(0);
}