Auto merge of #70655 - oli-obk:subrepo_funness, r=Mark-Simulacrum

Make clippy a git subtree instead of a git submodule

r? @eddyb

cc #70651

documentation at #70654

Author: bors

.gitmodules

@@ -16,9 +16,6 @@
 [submodule "src/tools/rls"]
 	path = src/tools/rls
 	url = https://github.com/rust-lang/rls.git
-[submodule "src/tools/clippy"]
-	path = src/tools/clippy
-	url = https://github.com/rust-lang/rust-clippy.git
 [submodule "src/tools/rustfmt"]
 	path = src/tools/rustfmt
 	url = https://github.com/rust-lang/rustfmt.git

src/bootstrap/builder.rs

@@ -351,7 +351,7 @@ impl<'a> Builder<'a> {
                 native::Lld
             ),
             Kind::Check | Kind::Clippy | Kind::Fix | Kind::Format => {
-                describe!(check::Std, check::Rustc, check::Rustdoc)
+                describe!(check::Std, check::Rustc, check::Rustdoc, check::Clippy)
             }
             Kind::Test => describe!(
                 crate::toolstate::ToolStateCheck,