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fix(cli): Error trailing args rather than ignore 

This warning has been in for a sufficient time, requires a hack from
clap to avoid all argument ID validation, and allows users to run the
wrong command (imagine `cargo -- publish --dry-run`).

See also https://rust-lang.zulipchat.com/#narrow/stream/246057-t-cargo/topic/Cargo.20ignoring.20arguments.20with.20.60cargo.20--.20check.20--ignored.60
This commit is contained in:
Ed Page 2022-09-20 16:53:59 -05:00
parent 8dea81918b
commit 8f8a79a5a4
2 changed files with 11 additions and 6 deletions
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10
src/bin/cargo/cli.rs
View File

@ -242,11 +242,15 @@ fn expand_aliases(
(Some(_), None) => {
// Command is built-in and is not conflicting with alias, but contains ignored values.
if let Some(mut values) = args.get_many::<String>("") {
config.shell().warn(format!(
"trailing arguments after built-in command `{}` are ignored: `{}`",
return Err(anyhow::format_err!(
"\
trailing arguments after built-in command `{}` are unsupported: `{}`
To pass the arguments to the subcommand, remove `--`",
cmd,
values.join(" "),
))?;
)
.into());
}
}
(None, None) => {}

7
tests/testsuite/cargo_alias_config.rs
View File

@ -324,11 +324,12 @@ fn weird_check() {
.build();
p.cargo("-- check --invalid_argument -some-other-argument")
.with_status(101)
.with_stderr(
"\
[WARNING] trailing arguments after built-in command `check` are ignored: `--invalid_argument -some-other-argument`
[CHECKING] foo v0.5.0 ([..])
[FINISHED] dev [unoptimized + debuginfo] target(s) in [..]
[ERROR] trailing arguments after built-in command `check` are unsupported: `--invalid_argument -some-other-argument`
To pass the arguments to the subcommand, remove `--`
",
)
.run();