| 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() |