1 files changed, 153 insertions, 0 deletions
diff --git a/utils/aur/aur-check-update.py b/utils/aur/aur-check-update.py
new file mode 100755
index 0000000..3188aea
--- /dev/null
+++ b/utils/aur/aur-check-update.py
@@ -0,0 +1,153 @@
+#!/usr/bin/env python3
+# Copyright (C) 2021 KunoiSayami
+#
+# This module is part of KunoiSayami/repos and is released under
+# the AGPL v3 License: https://www.gnu.org/licenses/agpl-3.0.txt
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
+from __future__ import annotations
+
+import argparse
+import asyncio
+import logging
+import re
+
+from collections.abc import Coroutine
+from dataclasses import dataclass
+from pathlib import Path
+
+import aiofiles
+import aiohttp
+
+MAX_WORKERS = 32
+
+
+@dataclass
+class Version:
+    pkgver: list[str]
+    pkgrel: list[str]
+    epoch: int
+
+    @classmethod
+    def from_str(cls, s: str) -> Version:
+        match = re.search(r"pkgver=(?P<VER>.*)", s)
+        if not match:
+            raise ValueError('pkgver keyword not found')
+        else:
+            pkgver = match.group('VER').split('.')
+        match = re.search(r"pkgrel=(?P<REL>.*)", s)
+        if not match:
+            pkgrel = ['1']
+        else:
+            pkgrel = match.group('REL').split('.')
+        match = re.search(r"epoch=(?P<EPOCH>\d+)", s)
+        if not match:
+            epoch = 0
+        else:
+            epoch = int(match.group('EPOCH'))
+        return cls(pkgver, pkgrel, epoch)
+
+    @classmethod
+    async def from_file(cls, file: str | Path) -> Version:
+        async with aiofiles.open(file, 'r', encoding='utf-8') as fin:
+            return cls.from_str(await fin.read())
+
+    def __eq__(self, other: Version) -> bool:
+        return self.epoch == other.epoch \
+               and self.pkgver == self.pkgver \
+               and self.pkgrel == other.pkgrel
+
+    def __gt__(self, other: Version) -> bool:
+        return self.epoch > other.epoch \
+               or self.pkgver > other.pkgver \
+               or (self.pkgver == other.pkgver and self.pkgrel > other.pkgrel)
+
+    def __ne__(self, other: Version) -> bool:
+        return not self.__eq__(other)
+
+    def __ge__(self, other: Version) -> bool:
+        return self.__gt__(other) or self.__eq__(other)
+
+    def __lt__(self, other: Version) -> bool:
+        return not self.__ge__(other)
+
+    def __str__(self) -> str:
+        prefix = f'{self.epoch}:' if self.epoch > 0 else ''
+        return f'{prefix}{self.pkgver}-{self.pkgrel}'
+
+
+async def with_sem(sem: asyncio.Semaphore, coro: Coroutine):
+    async with sem:
+        return await coro
+
+
+async def aur_check_update(session: aiohttp.ClientSession, item: Path, dry_run: bool) -> None:
+    if item.name.startswith('.') or not item.is_dir():
+        return
+    pkgbuild_file = item.joinpath('PKGBUILD')
+    if not pkgbuild_file.exists():
+        logging.warning(f'PKGBUILD not in {str(item)}, SKIP!')
+        return
+    version = await Version.from_file(pkgbuild_file)
+    async with session.get(f'https://aur.archlinux.org/cgit/aur.git/plain/PKGBUILD?h={item.name}') as resp:
+        if resp.status != 200:
+            logging.info(f'{item.name} not register in AUR')
+            return
+        new_version = Version.from_str(await resp.text())
+
+    if new_version == version:
+        return
+    elif new_version < version:
+        logging.warning(f'Warning: {version} is newer than AUR')
+        return
+    if item.joinpath('.git').exists():
+        if not dry_run:
+            await asyncio.create_subprocess_exec('git', '-C', f'{str(item)}', 'pull')
+        logging.info(f'Upgrade {item.name} from {version} to {new_version}')
+    else:
+        logging.info(f'Found update {item.name}({version}) (local: {new_version})')
+
+
+async def main() -> int:
+    parser = argparse.ArgumentParser(description='aur-check-update.py')
+    parser.add_argument('--dry', help='dry run', action='store_true')
+    parser.add_argument('--max-workers', dest='workers', metavar='MAX_WORKERS',
+                        help=f'aur check max workers, default: {MAX_WORKERS}',
+                        default=MAX_WORKERS, action='store', type=int)
+    parser.add_argument(dest='repo_dir', metavar='REPO_DIR', help='repository directory', nargs='?')
+
+    args = parser.parse_args()
+
+    dry_run = args.dry
+    sem = asyncio.Semaphore(args.workers)
+
+    if args.repo_dir is None:
+        logging.error('repository directory not found')
+        return 1
+
+    repo_dir = Path(args.repo_dir)
+
+    async with aiohttp.ClientSession(timeout=aiohttp.ClientTimeout(10)) as session:
+        tasks = [asyncio.create_task(
+            with_sem(sem, aur_check_update(session, item, dry_run))
+        ) for item in repo_dir.iterdir()]
+        await asyncio.gather(*tasks)
+
+    return 0
+
+if __name__ == '__main__':
+    logging.basicConfig(level=logging.DEBUG,
+                        format='%(asctime)s - %(levelname)s - %(funcName)s - %(lineno)d - %(message)s')
+    loop = asyncio.get_event_loop()
+    exit(loop.run_until_complete(main()))