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-rw-r--r--src/zstd/build/meson/InstallSymlink.py55
1 files changed, 55 insertions, 0 deletions
diff --git a/src/zstd/build/meson/InstallSymlink.py b/src/zstd/build/meson/InstallSymlink.py
new file mode 100644
index 000000000..3f2998c64
--- /dev/null
+++ b/src/zstd/build/meson/InstallSymlink.py
@@ -0,0 +1,55 @@
+#!/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).
+# #############################################################################
+# This file should be synced with https://github.com/lzutao/meson-symlink
+
+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='{0} [-h] [-d] [-m MODE] source dest install_dir\n\n'
+ 'example:\n'
+ ' {0} dash sh /bin'.format(pathlib.Path(__file__).name))
+ parser.add_argument('source', help='target to link')
+ parser.add_argument('dest', help='link name')
+ parser.add_argument('install_dir', help='installation directory')
+ parser.add_argument('-d', '--isdir',
+ action='store_true',
+ help='dest is a directory')
+ parser.add_argument('-m', '--mode',
+ help='directory mode on creating if not exist',
+ default='0o755')
+ args = parser.parse_args()
+
+ dir_mode = int(args.mode, 8)
+
+ meson_destdir = os.environ.get('MESON_INSTALL_DESTDIR_PREFIX', default='')
+ install_dir = pathlib.Path(meson_destdir, args.install_dir)
+ install_symlink(args.source, args.dest, install_dir, args.isdir, dir_mode)
+
+
+if __name__ == '__main__':
+ main()