648db22b |
1 | #!/usr/bin/env python3 |
2 | # ############################################################################# |
3 | # Copyright (c) 2018-present lzutao <taolzu(at)gmail.com> |
4 | # All rights reserved. |
5 | # |
6 | # This source code is licensed under both the BSD-style license (found in the |
7 | # LICENSE file in the root directory of this source tree) and the GPLv2 (found |
8 | # in the COPYING file in the root directory of this source tree). |
9 | # ############################################################################# |
10 | # This file should be synced with https://github.com/lzutao/meson-symlink |
11 | |
12 | import os |
13 | import pathlib # since Python 3.4 |
14 | |
15 | |
16 | def install_symlink(src, dst, install_dir, dst_is_dir=False, dir_mode=0o777): |
17 | if not install_dir.exists(): |
18 | install_dir.mkdir(mode=dir_mode, parents=True, exist_ok=True) |
19 | if not install_dir.is_dir(): |
20 | raise NotADirectoryError(install_dir) |
21 | |
22 | new_dst = install_dir.joinpath(dst) |
23 | if new_dst.is_symlink() and os.readlink(new_dst) == src: |
24 | print('File exists: {!r} -> {!r}'.format(new_dst, src)) |
25 | return |
26 | print('Installing symlink {!r} -> {!r}'.format(new_dst, src)) |
27 | new_dst.symlink_to(src, target_is_directory=dst_is_dir) |
28 | |
29 | |
30 | def main(): |
31 | import argparse |
32 | parser = argparse.ArgumentParser(description='Install a symlink', |
33 | usage='{0} [-h] [-d] [-m MODE] source dest install_dir\n\n' |
34 | 'example:\n' |
35 | ' {0} dash sh /bin'.format(pathlib.Path(__file__).name)) |
36 | parser.add_argument('source', help='target to link') |
37 | parser.add_argument('dest', help='link name') |
38 | parser.add_argument('install_dir', help='installation directory') |
39 | parser.add_argument('-d', '--isdir', |
40 | action='store_true', |
41 | help='dest is a directory') |
42 | parser.add_argument('-m', '--mode', |
43 | help='directory mode on creating if not exist', |
44 | default='0o755') |
45 | args = parser.parse_args() |
46 | |
47 | dir_mode = int(args.mode, 8) |
48 | |
49 | meson_destdir = os.environ.get('MESON_INSTALL_DESTDIR_PREFIX', default='') |
50 | install_dir = pathlib.Path(meson_destdir, args.install_dir) |
51 | install_symlink(args.source, args.dest, install_dir, args.isdir, dir_mode) |
52 | |
53 | |
54 | if __name__ == '__main__': |
55 | main() |