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[rust.git] / tests / dogfood.rs

diff --git a/tests/dogfood.rs b/tests/dogfood.rs
index c1f02b9fcefe355cfa9d4b43c2a6eb2f85e8a828..81af3d3033b23c268a152258d74a30a8cd0d4ecc 100644 (file)
--- a/tests/dogfood.rs
+++ b/tests/dogfood.rs
@@ -1,33 +1,36 @@
-// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
+// Dogfood cannot run on Windows
+#![cfg(not(windows))]
+
+use lazy_static::lazy_static;
+use std::path::PathBuf;
+use std::process::Command;
+
+mod cargo;
+
+lazy_static! {
+    static ref CLIPPY_PATH: PathBuf = cargo::TARGET_LIB.join("cargo-clippy");
+}
 
 #[test]
-fn dogfood() {
-    if option_env!("RUSTC_TEST_SUITE").is_some() || cfg!(windows) {
+fn dogfood_clippy() {
+    // run clippy on itself and fail the test if lint warnings are reported
+    if cargo::is_rustc_test_suite() {
         return;
     }
-    let root_dir = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    let clippy_cmd = std::path::Path::new(&root_dir)
-        .join("target")
-        .join(env!("PROFILE"))
-        .join("cargo-clippy");
+    let root_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
 
-    let output = std::process::Command::new(clippy_cmd)
+    let output = Command::new(&*CLIPPY_PATH)
         .current_dir(root_dir)
         .env("CLIPPY_DOGFOOD", "1")
-        .arg("clippy")
+        .env("CARGO_INCREMENTAL", "0")
+        .arg("clippy-preview")
         .arg("--all-targets")
         .arg("--all-features")
         .arg("--")
         .args(&["-D", "clippy::all"])
         .args(&["-D", "clippy::internal"])
         .args(&["-D", "clippy::pedantic"])
+        .arg("-Cdebuginfo=0") // disable debuginfo to generate less data in the target dir
         .output()
         .unwrap();
     println!("status: {}", output.status);
@@ -38,15 +41,12 @@ fn dogfood() {
 }
 
 #[test]
-fn dogfood_tests() {
-    if option_env!("RUSTC_TEST_SUITE").is_some() || cfg!(windows) {
+fn dogfood_subprojects() {
+    // run clippy on remaining subprojects and fail the test if lint warnings are reported
+    if cargo::is_rustc_test_suite() {
         return;
     }
-    let root_dir = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    let clippy_cmd = std::path::Path::new(&root_dir)
-        .join("target")
-        .join(env!("PROFILE"))
-        .join("cargo-clippy");
+    let root_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
 
     for d in &[
         "clippy_workspace_tests",
@@ -56,13 +56,15 @@ fn dogfood_tests() {
         "clippy_dev",
         "rustc_tools_util",
     ] {
-        let output = std::process::Command::new(&clippy_cmd)
+        let output = Command::new(&*CLIPPY_PATH)
             .current_dir(root_dir.join(d))
             .env("CLIPPY_DOGFOOD", "1")
+            .env("CARGO_INCREMENTAL", "0")
             .arg("clippy")
             .arg("--")
             .args(&["-D", "clippy::all"])
             .args(&["-D", "clippy::pedantic"])
+            .arg("-Cdebuginfo=0") // disable debuginfo to generate less data in the target dir
             .output()
             .unwrap();
         println!("status: {}", output.status);