Function eval_repo

ci/nur/eval.py:16–67

(repo: Repo, repo_path: Path)

async def eval_repo(repo: Repo, repo_path: Path) -> None:
    with tempfile.TemporaryDirectory() as d:
        eval_path = Path(d).joinpath("default.nix")
        with open(eval_path, "w") as f:
            f.write(
                f"""
                    with import <nixpkgs> {{}};
import {EVALREPO_PATH} {{
  name = "{repo.name}";
  url = "{repo.url}";
  src = {repo_path.joinpath(repo.file)};
  inherit pkgs lib;
}}
"""
            )

        canonicalized_eval_path = eval_path.resolve()
        # fmt: off
        cmd = [
            "nix-env",
            "-f", str(canonicalized_eval_path),
            "-qa", "*",
            "--meta",
            "--xml",
            "--allowed-uris", "https://static.rust-lang.org",
            "--option", "restrict-eval", "true",
            "--option", "allow-import-from-derivation", "true",
            "--drv-path",
            "--show-trace",
            "-I", f"nixpkgs={nixpkgs_path()}",
            "-I", str(repo_path),
            "-I", str(canonicalized_eval_path),
            "-I", str(EVALREPO_PATH),
        ]
        # fmt: on

        env = dict(PATH=os.environ["PATH"], NIXPKGS_ALLOW_UNSUPPORTED_SYSTEM="1")
        proc = await asyncio.create_subprocess_exec(
            *cmd,
            env=env,
            stdout=asyncio.subprocess.PIPE,
            stderr=asyncio.subprocess.PIPE,
        )
        try:
            stdout, stderr = await asyncio.wait_for(proc.communicate(), 180)
        except TimeoutError:
            proc.kill()
            raise EvalError(f"evaluation for {repo.name} timed out of after 3 minutes")
        if proc.returncode != 0:
            raise EvalError(
                f"{repo.name} does not evaluate:\n$ {' '.join(cmd)}\n\n{stderr.decode()}"
            )


async def eval_command(args: Namespace) -> None: