mirror of
https://github.com/Luzifer/archrepo.git
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90 lines
2.5 KiB
Python
90 lines
2.5 KiB
Python
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#!/usr/bin/env python3
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import os
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import re
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import sys
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# Available only on Archlinux systems through extra/pyalpm package
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from pyalpm import vercmp
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FILENAME_REGEX = r'^(?P<pkgname>.*)-(?P<version>(?:[0-9]+:)?(?:[^:-]+)-(?:[0-9]+))-[^-]+\.pkg\.tar\.(?:xz|zst)$'
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base_path = os.environ['BASE_PATH'] if 'BASE_PATH' in os.environ else './repo'
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retain_versions = int(os.environ['RETAIN']) if 'RETAIN' in os.environ else 2
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class VercmpSort:
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def __init__(self, obj, *args):
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self.obj = obj
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def __lt__(self, other):
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return vercmp(self.obj['version'], other.obj['version']) < 0
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def __gt__(self, other):
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return vercmp(self.obj['version'], other.obj['version']) > 0
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def __eq__(self, other):
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return vercmp(self.obj['version'], other.obj['version']) == 0
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def __le__(self, other):
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return vercmp(self.obj['version'], other.obj['version']) <= 0
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def __ge__(self, other):
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return vercmp(self.obj['version'], other.obj['version']) >= 0
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def __ne__(self, other):
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return vercmp(self.obj['version'], other.obj['version']) != 0
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def get_package_versions():
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packages = {}
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for filename in os.listdir(base_path):
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match = re.match(FILENAME_REGEX, filename)
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if match is None:
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# Not a package file
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continue
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if match.group('pkgname') not in packages:
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packages[match.group('pkgname')] = []
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packages[match.group('pkgname')].append({
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'filename': filename,
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'version': match.group('version'),
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})
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return packages
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def main():
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packages = get_package_versions()
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for pkgname in sorted(packages.keys()):
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versions = packages[pkgname]
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print('')
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print('Analysing package "{}"...'.format(pkgname))
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if len(versions) <= retain_versions:
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print(' Retaining all versions: {}'.format(
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', '.join([x['version'] for x in versions]),
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))
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continue
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ndrop = len(versions) - retain_versions
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versions = sorted(versions, key=VercmpSort)
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drop = versions[:ndrop]
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retain = versions[ndrop:]
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print(' Dropped versions: {}'.format(
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', '.join([x['version'] for x in drop]),
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))
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print(' Retained versions: {}'.format(
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', '.join([x['version'] for x in retain]),
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))
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for filename in [x['filename'] for x in drop]:
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os.unlink(os.path.join(base_path, filename))
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return 0
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if __name__ == '__main__':
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sys.exit(main())
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