Changes to deps/swc/crates/swc_native_addon/scripts/msrv.py. All files

deps/swc/crates/swc_native_addon/scripts/msrv.py

new file mode 100644@@ -0,0 +1,38 @@+#!/usr/bin/env python3+"""Verify the private foundation with Rust 1.85 without changing SWC's lockfile.++The main workspace has nightly flags and a Cargo v4 lockfile. This disposable+workspace uses the same sources and dependency versions, with v3 serialization.+No dependency versions are guessed or updated by the MSRV check.+"""++import os+from pathlib import Path+import shutil+import subprocess+import tempfile+++repository = Path(__file__).resolve().parents[3]+members = [+    "crates/swc_native_addon",+    "tools/swc-native-addon-pack",+    "bindings/binding_native_addon",+]+with tempfile.TemporaryDirectory(prefix="swc-native-msrv-") as temporary:+    root = Path(temporary)+    for member in members:+        shutil.copytree(repository / member, root / member)+    manifest = '[workspace]\nresolver = "2"\nmembers = [\n'+    manifest += "".join(f'  "{member}",\n' for member in members) + "]\n"+    (root / "Cargo.toml").write_text(manifest)+    lock = (repository / "Cargo.lock").read_text()+    (root / "Cargo.lock").write_text(lock.replace("version = 4\n", "version = 3\n", 1))+    environment = os.environ.copy()+    environment["RUSTFLAGS"] = ""+    environment["RUSTDOCFLAGS"] = ""+    environment.pop("CARGO_ENCODED_RUSTFLAGS", None)+    environment["RUSTUP_TOOLCHAIN"] = "1.85.0"+    # This lockfile also contains unrelated workspace packages, which Cargo+    # prunes in the disposable copy. Dependency versions remain pinned.+    subprocess.run(["cargo", "test", "--workspace"], cwd=root, env=environment, check=True)