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