mirror of
https://github.com/oxalica/rust-overlay.git
synced 2025-10-06 08:12:41 +02:00
46 lines
1.4 KiB
Python
46 lines
1.4 KiB
Python
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#!/usr/bin/env nix-shell
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#!nix-shell -i python3 -p "python3.withPackages (ps: with ps; [ toml requests ])"
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from typing import Callable
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from fetch import update_nightly_index, update_beta_index
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from pathlib import Path
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import re
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import sys
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CHANNELS: list[tuple[Path, Callable[[], None]]] = [
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(Path('manifests/nightly'), update_nightly_index),
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(Path('manifests/beta'), update_beta_index),
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]
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RE_LATEST_DATE = re.compile('latest = "(.*?)"')
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def main():
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args = sys.argv[1:]
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if len(args) != 1:
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print('''
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Usage:
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{0} <year>
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Delete all nightly and beta manifests before (excluding) <year>.
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''')
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exit(1)
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cut_year = int(args[0])
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for (channel_root, update_index) in CHANNELS:
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for year_dir in channel_root.iterdir():
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if year_dir.is_dir() and int(year_dir.name) < cut_year:
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print(f'deleting {year_dir}')
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for ver in year_dir.iterdir():
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ver.unlink()
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year_dir.rmdir()
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def latest_ver():
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src = (channel_root / 'default.nix').read_text()
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m = RE_LATEST_DATE.search(src)
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assert m is not None, f'No latest version:\n{src}'
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return m[1]
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before_latest = latest_ver()
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update_index()
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after_latest = latest_ver()
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assert before_latest == after_latest, \
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f'Latest version must not be affected: {before_latest} -> {after_latest}'
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if __name__ == '__main__':
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main()
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