Nilstrieb ce847beb47 Revert let_chains stabilization
This reverts commit 326646074940222d602f3683d0559088690830f4.

This is the revert against master, the beta revert was already done in #100538.
2022-08-29 19:34:11 +02:00

59 lines
1.7 KiB
Rust

#![feature(let_chains)]
#![feature(let_else)]
#![feature(once_cell)]
#![feature(rustc_private)]
#![cfg_attr(feature = "deny-warnings", deny(warnings))]
// warn on lints, that are included in `rust-lang/rust`s bootstrap
#![warn(rust_2018_idioms, unused_lifetimes)]
extern crate rustc_lexer;
use std::path::PathBuf;
pub mod bless;
pub mod dogfood;
pub mod fmt;
pub mod lint;
pub mod new_lint;
pub mod serve;
pub mod setup;
pub mod update_lints;
#[cfg(not(windows))]
static CARGO_CLIPPY_EXE: &str = "cargo-clippy";
#[cfg(windows)]
static CARGO_CLIPPY_EXE: &str = "cargo-clippy.exe";
/// Returns the path to the `cargo-clippy` binary
#[must_use]
pub fn cargo_clippy_path() -> PathBuf {
let mut path = std::env::current_exe().expect("failed to get current executable name");
path.set_file_name(CARGO_CLIPPY_EXE);
path
}
/// Returns the path to the Clippy project directory
///
/// # Panics
///
/// Panics if the current directory could not be retrieved, there was an error reading any of the
/// Cargo.toml files or ancestor directory is the clippy root directory
#[must_use]
pub fn clippy_project_root() -> PathBuf {
let current_dir = std::env::current_dir().unwrap();
for path in current_dir.ancestors() {
let result = std::fs::read_to_string(path.join("Cargo.toml"));
if let Err(err) = &result {
if err.kind() == std::io::ErrorKind::NotFound {
continue;
}
}
let content = result.unwrap();
if content.contains("[package]\nname = \"clippy\"") {
return path.to_path_buf();
}
}
panic!("error: Can't determine root of project. Please run inside a Clippy working dir.");
}