84 lines
2.3 KiB
Python
84 lines
2.3 KiB
Python
import logging
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import os
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import subprocess
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import tempfile
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import asyncio
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from argparse import Namespace
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from pathlib import Path
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from urllib.parse import urlparse
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from .error import EvalError
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from .manifest import Repo
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from .path import EVALREPO_PATH, nixpkgs_path
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logger = logging.getLogger(__name__)
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async def eval_repo(repo: Repo, repo_path: Path) -> None:
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with tempfile.TemporaryDirectory() as d:
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eval_path = Path(d).joinpath("default.nix")
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with open(eval_path, "w") as f:
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f.write(
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f"""
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with import <nixpkgs> {{}};
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import {EVALREPO_PATH} {{
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name = "{repo.name}";
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url = "{repo.url}";
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src = {repo_path.joinpath(repo.file)};
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inherit pkgs lib;
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}}
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"""
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)
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canonicalized_eval_path = eval_path.resolve()
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# fmt: off
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cmd = [
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"nix-env",
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"-f", str(canonicalized_eval_path),
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"-qa", "*",
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"--meta",
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"--xml",
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"--allowed-uris", "https://static.rust-lang.org",
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"--option", "restrict-eval", "true",
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"--option", "allow-import-from-derivation", "true",
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"--drv-path",
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"--show-trace",
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"-I", f"nixpkgs={nixpkgs_path()}",
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"-I", str(repo_path),
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"-I", str(canonicalized_eval_path),
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"-I", str(EVALREPO_PATH),
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]
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# fmt: on
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env = dict(PATH=os.environ["PATH"], NIXPKGS_ALLOW_UNSUPPORTED_SYSTEM="1")
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proc = await asyncio.create_subprocess_exec(
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*cmd,
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env=env,
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stdout=asyncio.subprocess.PIPE,
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stderr=asyncio.subprocess.PIPE,
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)
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try:
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stdout, stderr = await asyncio.wait_for(proc.communicate(), 15)
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except TimeoutError:
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proc.kill()
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raise EvalError(f"evaluation for {repo.name} timed out of after 15 seconds")
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if proc.returncode != 0:
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raise EvalError(f"{repo.name} does not evaluate:\n$ {' '.join(cmd)}\n\n{stdout.decode()}")
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async def eval_command(args: Namespace) -> None:
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logging.basicConfig(level=logging.INFO)
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repo_path = Path(args.directory)
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name = repo_path.name
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repo = Repo(
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name,
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urlparse("localhost"),
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False,
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None,
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None,
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None,
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None,
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)
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eval_repo(repo, repo_path)
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print("OK")
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