mirror of
https://github.com/facebook/zstd.git
synced 2025-11-04 00:02:59 -05:00
56 lines
2.1 KiB
Python
56 lines
2.1 KiB
Python
#!/usr/bin/env python3
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# #############################################################################
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# Copyright (c) 2018-present lzutao <taolzu(at)gmail.com>
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# All rights reserved.
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#
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# This source code is licensed under both the BSD-style license (found in the
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# LICENSE file in the root directory of this source tree) and the GPLv2 (found
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# in the COPYING file in the root directory of this source tree).
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# #############################################################################
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# This file should be synced with https://github.com/lzutao/meson-symlink
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import os
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import pathlib # since Python 3.4
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def install_symlink(src, dst, install_dir, dst_is_dir=False, dir_mode=0o777):
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if not install_dir.exists():
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install_dir.mkdir(mode=dir_mode, parents=True, exist_ok=True)
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if not install_dir.is_dir():
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raise NotADirectoryError(install_dir)
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new_dst = install_dir.joinpath(dst)
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if new_dst.is_symlink() and os.readlink(new_dst) == src:
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print('File exists: {!r} -> {!r}'.format(new_dst, src))
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return
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print('Installing symlink {!r} -> {!r}'.format(new_dst, src))
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new_dst.symlink_to(src, target_is_directory=dst_is_dir)
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def main():
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import argparse
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parser = argparse.ArgumentParser(description='Install a symlink',
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usage='{0} [-h] [-d] [-m MODE] source dest install_dir\n\n'
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'example:\n'
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' {0} dash sh /bin'.format(pathlib.Path(__file__).name))
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parser.add_argument('source', help='target to link')
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parser.add_argument('dest', help='link name')
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parser.add_argument('install_dir', help='installation directory')
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parser.add_argument('-d', '--isdir',
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action='store_true',
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help='dest is a directory')
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parser.add_argument('-m', '--mode',
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help='directory mode on creating if not exist',
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default='0o755')
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args = parser.parse_args()
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dir_mode = int(args.mode, 8)
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meson_destdir = os.environ.get('MESON_INSTALL_DESTDIR_PREFIX', default='')
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install_dir = pathlib.Path(meson_destdir, args.install_dir)
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install_symlink(args.source, args.dest, install_dir, args.isdir, dir_mode)
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if __name__ == '__main__':
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main()
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