Rollup merge of #116430 - onur-ozkan:vendoring-in-tarball-sources, r=clubby789

vendoring in tarball sources

fixes #94782

Author: matthiaskrgr

Diff for: src/bootstrap/builder/tests.rs

@@ -22,7 +22,6 @@ fn configure_with_args(cmd: &[String], host: &[&str], target: &[&str]) -> Config
         ..Config::parse(&["check".to_owned()])
     });
     submodule_build.update_submodule(Path::new("src/doc/book"));
-    submodule_build.update_submodule(Path::new("src/tools/rust-analyzer"));
     config.submodules = Some(false);
 
     config.ninja_in_file = false;

Diff for: src/bootstrap/dist.rs

@@ -1002,11 +1002,15 @@ impl Step for PlainSourceTarball {
             channel::write_commit_info_file(&plain_dst_src, info);
         }
 
-        // If we're building from git sources, we need to vendor a complete distribution.
-        if builder.rust_info().is_managed_git_subrepository() {
-            // Ensure we have the submodules checked out.
-            builder.update_submodule(Path::new("src/tools/cargo"));
-            builder.update_submodule(Path::new("src/tools/rust-analyzer"));
+        // If we're building from git or tarball sources, we need to vendor
+        // a complete distribution.
+        if builder.rust_info().is_managed_git_subrepository()
+            || builder.rust_info().is_from_tarball()
+        {
+            if builder.rust_info().is_managed_git_subrepository() {
+                // Ensure we have the submodules checked out.
+                builder.update_submodule(Path::new("src/tools/cargo"));
+            }
 
             // Vendor all Cargo dependencies
             let mut cmd = Command::new(&builder.initial_cargo);