44 lines
1.8 KiB
Python
44 lines
1.8 KiB
Python
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#!/usr/bin/env python3
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"""Remove only this source version's installed files; never recurse directories."""
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import argparse
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from pathlib import Path
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import stat
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def owned_files(source):
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files = ['lib/libxtc.a', 'lib/pkgconfig/xtc.pc', 'bin/xtc-check', 'bin/xtc',
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'share/applications/xtc.desktop', 'share/licenses/xtc/LICENSE',
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'share/doc/xtc/README.md']
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files += ['include/xtc/' + p.name for p in sorted((source / 'include/xtc').glob('*.h'))]
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files += ['share/doc/xtc/' + p.name for p in sorted((source / 'docs').glob('*.md'))]
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files += ['share/doc/xtc/decisions/' + p.name for p in sorted((source / 'docs/decisions').glob('*.md'))]
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return files
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def uninstall(root, source):
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if not root.is_absolute() or root == Path('/'):
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raise ValueError('Installation root must be absolute and not /')
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files = [root / name for name in owned_files(source)]
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# Preflight before changing anything; never unlink a directory at a file path.
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for path in files:
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try:
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mode = path.lstat().st_mode
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except FileNotFoundError:
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continue
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if not (stat.S_ISREG(mode) or stat.S_ISLNK(mode)):
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raise ValueError(f'Refusing non-file: {path}')
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for path in files:
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path.unlink(missing_ok=True)
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parents = {parent for path in files for parent in path.parents if parent == root or root in parent.parents}
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for parent in sorted(parents, key=lambda p: len(p.parts), reverse=True):
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try:
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parent.rmdir()
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except (FileNotFoundError, OSError):
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pass # Shared/nonempty directories remain untouched.
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if __name__ == '__main__':
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('--root', type=Path, required=True)
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args = parser.parse_args()
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uninstall(args.root, Path(__file__).resolve().parent.parent)
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