1 // error-pattern:cargo-clippy
2 #![feature(plugin_registrar)]
3 #![feature(rustc_private)]
4 #![allow(unknown_lints)]
5 #![feature(borrow_state)]
7 extern crate rustc_plugin;
8 use rustc_plugin::Registry;
10 extern crate clippy_lints;
13 pub fn plugin_registrar(reg: &mut Registry) {
14 if reg.sess.lint_store.borrow_state() == std::cell::BorrowState::Unused && reg.sess.lint_store.borrow().get_lint_groups().iter().any(|&(s, _, _)| s == "clippy") {
15 reg.sess.struct_warn("running cargo clippy on a crate that also imports the clippy plugin").emit();
17 clippy_lints::register_plugins(reg);
21 // only exists to let the dogfood integration test works.
22 // Don't run clippy as an executable directly
25 panic!("Please use the cargo-clippy executable");