Rollup merge of #144317 - lolbinarycat:tidy-obey-build.npm, r=Kobzol

pass build.npm from bootstrap to tidy and use it for npm install

followup to rust-lang/rust#142924

r? ```@Kobzol```

1 files changed, 6 insertions, 0 deletions

diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs
index d346062761c..ebbb569e9db 100644
--- a/src/bootstrap/src/core/build_steps/test.rs
+++ b/src/bootstrap/src/core/build_steps/test.rs
@@ -1113,6 +1113,12 @@ impl Step for Tidy {
             8 * std::thread::available_parallelism().map_or(1, std::num::NonZeroUsize::get) as u32
         });
         cmd.arg(jobs.to_string());
+        // pass the path to the npm command used for installing js deps.
+        if let Some(npm) = &builder.config.npm {
+            cmd.arg(npm);
+        } else {
+            cmd.arg("npm");
+        }
         if builder.is_verbose() {
             cmd.arg("--verbose");
         }