43 lines
1.2 KiB
Python
Executable File
43 lines
1.2 KiB
Python
Executable File
#!/usr/bin/env python3
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"""Require the exact reviewed Rust compiler before running Rust quality gates."""
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from __future__ import annotations
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import re
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import subprocess
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import sys
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import tomllib
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from pathlib import Path
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ROOT = Path(__file__).resolve().parents[1]
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PIN = ROOT / "rust-toolchain.toml"
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def main() -> None:
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with PIN.open("rb") as stream:
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expected = tomllib.load(stream)["toolchain"]["channel"]
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result = subprocess.run(
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["rustc", "--version"],
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check=True,
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capture_output=True,
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text=True,
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)
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match = re.match(r"rustc ([0-9]+\.[0-9]+\.[0-9]+)(?:\s|$)", result.stdout)
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if match is None:
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print(f"FAIL: could not parse compiler version: {result.stdout.strip()}", file=sys.stderr)
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raise SystemExit(1)
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actual = match.group(1)
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if actual != expected:
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print(
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f"FAIL: rustc {actual} is active, but rust-toolchain.toml pins {expected}.\n"
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"A distro-provided cargo/rustc may ignore rust-toolchain.toml; use the "
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"pinned rustup toolchain or update the distro packages.",
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file=sys.stderr,
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)
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raise SystemExit(1)
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print(f"PASS: exact Rust toolchain {actual}")
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if __name__ == "__main__":
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main()
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