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use crate::cargo_clippy_path;
use std::process::{self, Command, ExitStatus};
use std::{fs, io};
fn exit_if_err(status: io::Result<ExitStatus>) {
match status.expect("failed to run command").code() {
Some(0) => {},
Some(n) => process::exit(n),
None => {
eprintln!("Killed by signal");
process::exit(1);
},
}
}
pub fn run<'a>(path: &str, args: impl Iterator<Item = &'a String>) {
let is_file = match fs::metadata(path) {
Ok(metadata) => metadata.is_file(),
Err(e) => {
eprintln!("Failed to read {path}: {e:?}");
process::exit(1);
},
};
if is_file {
exit_if_err(
Command::new("cargo")
.args(["run", "--bin", "clippy-driver", "--"])
.args(["-L", "./target/debug"])
.args(["-Z", "no-codegen"])
.args(["--edition", "2021"])
.arg(path)
.args(args)
.status(),
);
} else {
exit_if_err(Command::new("cargo").arg("build").status());
// Run in a tempdir as changes to clippy do not retrigger linting
let target = tempfile::Builder::new()
.prefix("clippy")
.tempdir()
.expect("failed to create tempdir");
let status = Command::new(cargo_clippy_path())
.arg("clippy")
.args(args)
.current_dir(path)
.env("CARGO_TARGET_DIR", target.as_ref())
.status();
target.close().expect("failed to remove tempdir");
exit_if_err(status);
}
}
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