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-rw-r--r--contrib/meson/InstallSymlink.py72
1 files changed, 72 insertions, 0 deletions
diff --git a/contrib/meson/InstallSymlink.py b/contrib/meson/InstallSymlink.py
new file mode 100644
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+++ b/contrib/meson/InstallSymlink.py
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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 errno
+import os
+
+
+def mkdir_p(path, dir_mode=0o777):
+ try:
+ os.makedirs(path, mode=dir_mode)
+ except OSError as exc: # Python >2.5
+ if exc.errno == errno.EEXIST and os.path.isdir(path):
+ pass
+ else:
+ raise
+
+
+def InstallSymlink(src, dst, install_dir, dst_is_dir=False, dir_mode=0o777):
+ if not os.path.exists(install_dir):
+ mkdir_p(install_dir, dir_mode)
+ if not os.path.isdir(install_dir):
+ raise NotADirectoryError(install_dir)
+
+ new_dst = os.path.join(install_dir, dst)
+ if os.path.islink(new_dst) and os.readlink(new_dst) == src:
+ print('File exists: %r -> %r' % (dst, src))
+ return
+ print('Installing symlink %r -> %r' % (new_dst, src))
+ os.symlink(src, new_dst, dst_is_dir)
+
+
+def main():
+ import argparse
+ parser = argparse.ArgumentParser(description='Install a symlink.\n',
+ usage='usage: InstallSymlink.py [-h] [-d] [-m MODE] src dst '
+ 'install_dir\n\n'
+ 'example:\n'
+ '\tInstallSymlink.py libcrypto.so.1.0.0 libcrypt.so '
+ '/usr/lib/x86_64-linux-gnu False')
+ 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
+ install_dir = args.install_dir
+ dst_is_dir = args.isdir
+ dir_mode = int(args.mode, 8)
+
+ DESTDIR = os.environ.get('DESTDIR')
+ if DESTDIR:
+ install_dir = DESTDIR + install_dir if os.path.isabs(install_dir) \
+ else os.path.join(DESTDIR, install_dir)
+
+ InstallSymlink(src, dst, install_dir, dst_is_dir, dir_mode)
+
+
+if __name__ == '__main__':
+ main()