// error-pattern:yummy
#![feature(box_syntax)]
#![feature(rustc_private)]
-#![allow(unknown_lints, missing_docs_in_private_items)]
+#![feature(tool_lints)]
+#![allow(unknown_lints, clippy::missing_docs_in_private_items)]
-use std::collections::HashMap;
-use std::process;
-use std::io::{self, Write};
-
-extern crate cargo_metadata;
-
-use std::path::{Path, PathBuf};
+use rustc_tools_util::*;
const CARGO_CLIPPY_HELP: &str = r#"Checks a package to catch common mistakes and improve your Rust code.
Common options:
-h, --help Print this message
- --features Features to compile for the package
-V, --version Print version info and exit
- --all Run over all packages in the current workspace
-Other options are the same as `cargo rustc`.
+Other options are the same as `cargo check`.
To allow or deny a lint from the command line you can use `cargo clippy --`
with:
#[cfg_attr(feature = "cargo-clippy", allow(needless_lifetimes))]
"#;
-#[allow(print_stdout)]
+#[allow(clippy::print_stdout)]
fn show_help() {
println!("{}", CARGO_CLIPPY_HELP);
}
-#[allow(print_stdout)]
+#[allow(clippy::print_stdout)]
fn show_version() {
- println!("{}", env!("CARGO_PKG_VERSION"));
+ let version_info = rustc_tools_util::get_version_info!();
+ println!("{}", version_info);
}
pub fn main() {
show_help();
return;
}
+
if std::env::args().any(|a| a == "--version" || a == "-V") {
show_version();
return;
}
- let manifest_path_arg = std::env::args()
- .skip(2)
- .find(|val| val.starts_with("--manifest-path="))
- .map(|val| val["--manifest-path=".len()..].to_owned());
-
- let mut metadata = if let Ok(metadata) = cargo_metadata::metadata(manifest_path_arg.as_ref().map(AsRef::as_ref)) {
- metadata
- } else {
- println!("{:?}", cargo_metadata::metadata(manifest_path_arg.as_ref().map(AsRef::as_ref)));
- let _ = io::stderr().write_fmt(format_args!("error: Could not obtain cargo metadata.\n"));
- process::exit(101);
- };
-
- let manifest_path = manifest_path_arg.map(|arg| {
- PathBuf::from(arg)
- .canonicalize()
- .expect("manifest path could not be canonicalized")
- });
-
- let packages = if std::env::args().any(|a| a == "--all") {
- metadata.packages
- } else {
- let package_index = {
- if let Some(manifest_path) = manifest_path {
- metadata.packages.iter().position(|package| {
- let package_manifest_path = Path::new(&package.manifest_path)
- .canonicalize()
- .expect("package manifest path could not be canonicalized");
- package_manifest_path == manifest_path
- })
- } else {
- let package_manifest_paths: HashMap<_, _> = metadata
- .packages
- .iter()
- .enumerate()
- .map(|(i, package)| {
- let package_manifest_path = Path::new(&package.manifest_path)
- .parent()
- .expect("could not find parent directory of package manifest")
- .canonicalize()
- .expect("package directory cannot be canonicalized");
- (package_manifest_path, i)
- })
- .collect();
-
- let current_dir = std::env::current_dir()
- .expect("could not read current directory")
- .canonicalize()
- .expect("current directory cannot be canonicalized");
-
- let mut current_path: &Path = ¤t_dir;
-
- // This gets the most-recent parent (the one that takes the fewest `cd ..`s to
- // reach).
- loop {
- if let Some(&package_index) = package_manifest_paths.get(current_path) {
- break Some(package_index);
- } else {
- // We'll never reach the filesystem root, because to get to this point in the
- // code
- // the call to `cargo_metadata::metadata` must have succeeded. So it's okay to
- // unwrap the current path's parent.
- current_path = current_path
- .parent()
- .unwrap_or_else(|| panic!("could not find parent of path {}", current_path.display()));
- }
- }
- }
- }.expect("could not find matching package");
-
- vec![metadata.packages.remove(package_index)]
- };
-
- for package in packages {
- let manifest_path = package.manifest_path;
-
- for target in package.targets {
- let args = std::env::args()
- .skip(2)
- .filter(|a| a != "--all" && !a.starts_with("--manifest-path="));
-
- let args = std::iter::once(format!("--manifest-path={}", manifest_path)).chain(args);
- if let Some(first) = target.kind.get(0) {
- if target.kind.len() > 1 || first.ends_with("lib") {
- println!("lib: {}", target.name);
- if let Err(code) = process(std::iter::once("--lib".to_owned()).chain(args)) {
- std::process::exit(code);
- }
- } else if ["bin", "example", "test", "bench"].contains(&&**first) {
- println!("{}: {}", first, target.name);
- if let Err(code) = process(
- vec![format!("--{}", first), target.name]
- .into_iter()
- .chain(args),
- ) {
- std::process::exit(code);
- }
- }
- } else {
- panic!("badly formatted cargo metadata: target::kind is an empty array");
- }
- }
+ if let Err(code) = process(std::env::args().skip(2)) {
+ std::process::exit(code);
}
}
-fn process<I>(old_args: I) -> Result<(), i32>
+fn process<I>(mut old_args: I) -> Result<(), i32>
where
I: Iterator<Item = String>,
{
- let mut args = vec!["rustc".to_owned()];
+ let mut args = vec!["check".to_owned()];
let mut found_dashes = false;
- for arg in old_args {
+ for arg in old_args.by_ref() {
found_dashes |= arg == "--";
+ if found_dashes {
+ break;
+ }
args.push(arg);
}
- if !found_dashes {
- args.push("--".to_owned());
- }
- args.push("--emit=metadata".to_owned());
- args.push("--cfg".to_owned());
- args.push(r#"feature="cargo-clippy""#.to_owned());
+
+ let clippy_args: String = old_args.map(|arg| format!("{}__CLIPPY_HACKERY__", arg)).collect();
let mut path = std::env::current_exe()
.expect("current executable path invalid")
if cfg!(windows) {
path.set_extension("exe");
}
+
+ let target_dir = std::env::var_os("CLIPPY_DOGFOOD")
+ .map(|_| {
+ std::env::var_os("CARGO_MANIFEST_DIR").map_or_else(
+ || {
+ let mut fallback = std::ffi::OsString::new();
+ fallback.push("clippy_dogfood");
+ fallback
+ },
+ |d| {
+ std::path::PathBuf::from(d)
+ .join("target")
+ .join("dogfood")
+ .into_os_string()
+ },
+ )
+ }).map(|p| ("CARGO_TARGET_DIR", p));
+
let exit_status = std::process::Command::new("cargo")
.args(&args)
.env("RUSTC_WRAPPER", path)
+ .env("CLIPPY_ARGS", clippy_args)
+ .envs(target_dir)
.spawn()
.expect("could not run cargo")
.wait()
projects / rust.git / blobdiff