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#!/usr/bin/env python3
import argparse
import hashlib
import json
import pathlib
import re
import shlex
import shutil
import subprocess
import sys
import tomllib
import urllib.request
def main() -> None:
parser = argparse.ArgumentParser(
description="Update the versions.json and nix dependencies",
)
parser.add_argument(
"--nix",
action=argparse.BooleanOptionalAction,
default=True,
help="update nix dependencies by running `npins update` (default: yes)",
)
parser.add_argument(
"--nightly",
type=str,
help="nightly version, e.g. 2021-01-01 (default: use latest)",
)
parser.add_argument(
"--stable",
type=str,
help="stable version, e.g. 1.76.0 (default: use latest)",
)
args = parser.parse_args()
if args.nix:
if shutil.which("npins") is not None:
command = ["npins", "update"]
else:
command = ["nix-shell", "-p", "npins", "--run", "npins update"]
print(f"Running {shlex.join(command)}", file=sys.stderr)
subprocess.run(
args=command,
cwd=pathlib.Path(__file__).parent,
check=True,
)
print("Updating versions.json", file=sys.stderr)
d = f"{args.nightly}/" if args.nightly else ""
url = f"https://static.rust-lang.org/dist/{d}channel-rust-nightly.toml"
with urllib.request.urlopen(url) as response:
data = response.read()
nightly_sha256 = hashlib.sha256(data).digest().hex()
nightly_date = tomllib.loads(data.decode("utf-8"))["date"]
d = args.stable if args.stable else "stable"
url = f"https://static.rust-lang.org/dist/channel-rust-{d}.toml"
with urllib.request.urlopen(url) as response:
data = response.read()
stable_sha256 = hashlib.sha256(data).digest().hex()
stable_version = tomllib.loads(data.decode("utf-8"))["pkg"]["rust"]["version"]
m = re.match(r"^(\d+\.\d+\.\d+) \(.*\)$", stable_version)
if not m:
raise ValueError(f"Failed to parse stable version: {stable_version}")
stable_version = m[1]
result = {
"#": "This file is autogenerated by ./update.py",
"nightly": {
"date": nightly_date,
"sha256": nightly_sha256,
},
"stable": {
"version": stable_version,
"sha256": stable_sha256,
},
}
with open(pathlib.Path(__file__).parent / "versions.json", "w") as f:
f.write(json.dumps(result, indent=2) + "\n")
if __name__ == "__main__":
main()
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