Auto merge of #101949 - matthiaskrgr:rollup-xu5cqnd, r=matthiaskrgr

Rollup of 7 pull requests

Successful merges:

 - #101093 (Initial version of 1.64 release notes)
 - #101713 (change AccessLevels representation)
 - #101821 (Bump Unicode to version 15.0.0, regenerate tables)
 - #101826 (Enforce "joined()" and "joined_with_noop()" test)
 - #101835 (Allow using vendoring when running bootstrap from outside the source root)
 - #101942 (Revert "Copy stage0 binaries into stage0-sysroot")
 - #101943 (rustdoc: remove unused CSS `.non-exhaustive { margin-bottom }`)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

3 files changed, 5 insertions, 38 deletions

diff --git a/src/bootstrap/bootstrap.py b/src/bootstrap/bootstrap.py
index 350d87d58a4..57128685d91 100644
--- a/src/bootstrap/bootstrap.py
+++ b/src/bootstrap/bootstrap.py
@@ -778,7 +778,8 @@ class RustBuild(object):
         elif color == "never":
             args.append("--color=never")
 
-        run(args, env=env, verbose=self.verbose)
+        # Run this from the source directory so cargo finds .cargo/config
+        run(args, env=env, verbose=self.verbose, cwd=self.rust_root)
 
     def build_triple(self):
         """Build triple as in LLVM
diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs
index b654db6dbe9..36f990b72ff 100644
--- a/src/bootstrap/builder.rs
+++ b/src/bootstrap/builder.rs
@@ -1325,6 +1325,9 @@ impl<'a> Builder<'a> {
     ) -> Cargo {
         let mut cargo = Command::new(&self.initial_cargo);
         let out_dir = self.stage_out(compiler, mode);
+        // Run cargo from the source root so it can find .cargo/config.
+        // This matters when using vendoring and the working directory is outside the repository.
+        cargo.current_dir(&self.src);
 
         // Codegen backends are not yet tracked by -Zbinary-dep-depinfo,
         // so we need to explicitly clear out if they've been updated.
diff --git a/src/bootstrap/compile.rs b/src/bootstrap/compile.rs
index f7ab6bf93fb..c13e83f6c86 100644
--- a/src/bootstrap/compile.rs
+++ b/src/bootstrap/compile.rs
@@ -436,43 +436,6 @@ impl Step for StdLink {
         let libdir = builder.sysroot_libdir(target_compiler, target);
         let hostdir = builder.sysroot_libdir(target_compiler, compiler.host);
         add_to_sysroot(builder, &libdir, &hostdir, &libstd_stamp(builder, compiler, target));
-
-        if compiler.stage == 0 {
-            // special handling for stage0, to make `rustup toolchain link` and `x dist --stage 0`
-            // work for stage0-sysroot
-
-            // copy bin files from stage0/bin to stage0-sysroot/bin
-            let sysroot = builder.out.join(&compiler.host.triple).join("stage0-sysroot");
-
-            let host = compiler.host.triple;
-            let stage0_bin_dir = builder.out.join(&host).join("stage0/bin");
-            let sysroot_bin_dir = sysroot.join("bin");
-            t!(fs::create_dir_all(&sysroot_bin_dir));
-            builder.cp_r(&stage0_bin_dir, &sysroot_bin_dir);
-
-            // copy all *.so files from stage0/lib to stage0-sysroot/lib
-            let stage0_lib_dir = builder.out.join(&host).join("stage0/lib");
-            if let Ok(files) = fs::read_dir(&stage0_lib_dir) {
-                for file in files {
-                    let file = t!(file);
-                    let path = file.path();
-                    if path.is_file() && is_dylib(&file.file_name().into_string().unwrap()) {
-                        builder.copy(&path, &sysroot.join("lib").join(path.file_name().unwrap()));
-                    }
-                }
-            }
-
-            // copy codegen-backends from stage0
-            let sysroot_codegen_backends = builder.sysroot_codegen_backends(compiler);
-            t!(fs::create_dir_all(&sysroot_codegen_backends));
-            let stage0_codegen_backends = builder
-                .out
-                .join(&host)
-                .join("stage0/lib/rustlib")
-                .join(&host)
-                .join("codegen-backends");
-            builder.cp_r(&stage0_codegen_backends, &sysroot_codegen_backends);
-        }
     }
 }