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//! This test is a part of quality control and makes clippy eat what it produces. Awesome lints and
//! long error messages
//!
//! See [Eating your own dog food](https://en.wikipedia.org/wiki/Eating_your_own_dog_food) for context
#![warn(rust_2018_idioms, unused_lifetimes)]
use itertools::Itertools;
use std::io::{self, IsTerminal};
use std::path::PathBuf;
use std::process::Command;
use test_utils::IS_RUSTC_TEST_SUITE;
use ui_test::Args;
mod test_utils;
fn main() {
if IS_RUSTC_TEST_SUITE {
return;
}
let args = Args::test().unwrap();
if args.list {
if !args.ignored {
println!("dogfood: test");
}
} else if !args.skip.iter().any(|arg| arg == "dogfood") {
dogfood();
}
}
fn dogfood() {
let mut failed_packages = Vec::new();
for package in [
"./",
"clippy_dev",
"clippy_lints_internal",
"clippy_lints",
"clippy_utils",
"clippy_config",
"declare_clippy_lint",
"lintcheck",
"rustc_tools_util",
] {
println!("linting {package}");
if !run_clippy_for_package(package) {
failed_packages.push(package);
}
}
assert!(
failed_packages.is_empty(),
"Dogfood failed for packages `{}`",
failed_packages.iter().join(", "),
);
}
#[must_use]
fn run_clippy_for_package(project: &str) -> bool {
let root_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
let mut command = Command::new(&*test_utils::CARGO_CLIPPY_PATH);
command
.current_dir(root_dir.join(project))
.env("CARGO_INCREMENTAL", "0")
.arg("clippy")
.arg("--all-targets")
.arg("--all-features");
if !io::stdout().is_terminal() {
command.arg("-q");
}
if let Ok(dogfood_args) = std::env::var("__CLIPPY_DOGFOOD_ARGS") {
for arg in dogfood_args.split_whitespace() {
command.arg(arg);
}
}
command.arg("--");
command.arg("-Cdebuginfo=0"); // disable debuginfo to generate less data in the target dir
command.args(["-D", "clippy::all", "-D", "clippy::pedantic", "-D", "clippy::dbg_macro"]);
if !cfg!(feature = "internal") {
// running a clippy built without internal lints on the clippy source
// that contains e.g. `allow(clippy::symbol_as_str)`
command.args(["-A", "unknown_lints"]);
}
// Workaround for not being a workspace, add the crate's directory back to the path
command.args(["--remap-path-prefix", &format!("={project}")]);
command.status().unwrap().success()
}
|
