Fix compile-test tests to work with the new ui_test crate

Author: flip1995

Cargo.toml

@@ -9,6 +9,7 @@ members = [
   "src/tools/cargotest",
   "src/tools/clippy",
   "src/tools/clippy/clippy_dev",
+  "src/tools/clippy/clippy_test_deps",
   "src/tools/compiletest",
   "src/tools/error_index_generator",
   "src/tools/linkchecker",

src/bootstrap/test.rs

@@ -788,27 +788,15 @@ impl Step for Clippy {
         cargo.add_rustc_lib_path(builder, compiler);
         let mut cargo = prepare_cargo_test(cargo, &[], &[], "clippy", compiler, host, builder);
 
+        // propagate --bless
+        if builder.config.cmd.bless() {
+            cargo.env("BLESS", "Gesundheit");
+        }
+
         if builder.try_run(&mut cargo).is_ok() {
             // The tests succeeded; nothing to do.
             return;
         }
-
-        if !builder.config.cmd.bless() {
-            crate::detail_exit_macro!(1);
-        }
-
-        let mut cargo = builder.cargo(compiler, Mode::ToolRustc, SourceType::InTree, host, "run");
-        cargo.arg("-p").arg("clippy_dev");
-        // clippy_dev gets confused if it can't find `clippy/Cargo.toml`
-        cargo.current_dir(&builder.src.join("src").join("tools").join("clippy"));
-        if builder.config.rust_optimize.is_release() {
-            cargo.env("PROFILE", "release");
-        } else {
-            cargo.env("PROFILE", "debug");
-        }
-        cargo.arg("--");
-        cargo.arg("bless");
-        builder.run(&mut cargo.into());
     }
 }
 

src/tools/clippy/tests/compile-test.rs

@@ -31,7 +31,7 @@ fn base_config(test_dir: &str) -> compiletest::Config {
         },
         dependencies_crate_manifest_path: Some("clippy_test_deps/Cargo.toml".into()),
         target: None,
-        out_dir: "target/ui_test".into(),
+        out_dir: PathBuf::from(std::env::var_os("CARGO_TARGET_DIR").unwrap_or("target".into())).join("ui_test"),
         ..compiletest::Config::rustc(Path::new("tests").join(test_dir))
     };
 
@@ -116,10 +116,7 @@ fn run_ui_toml() {
 
     config.stderr_filter(
         &regex::escape(
-            &std::path::Path::new(file!())
-                .parent()
-                .unwrap()
-                .canonicalize()
+            &fs::canonicalize("tests")
                 .unwrap()
                 .parent()
                 .unwrap()
@@ -175,10 +172,7 @@ fn run_ui_cargo() {
 
     config.stderr_filter(
         &regex::escape(
-            &std::path::Path::new(file!())
-                .parent()
-                .unwrap()
-                .canonicalize()
+            &fs::canonicalize("tests")
                 .unwrap()
                 .parent()
                 .unwrap()