| #!/usr/bin/env python3 |
| # |
| # Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Copy a file. |
| |
| This module works much like the cp posix command - it takes 2 arguments: |
| (src, dst) and copies the file with path |src| to |dst|. |
| """ |
| |
| import os |
| import shutil |
| import sys |
| |
| |
| def main(src, dst): |
| # Use copy instead of copyfile to ensure the executable bit is copied. |
| dstpath = os.path.normpath(dst) |
| try: |
| shutil.copy(src, dstpath) |
| except shutil.SameFileError: |
| if not (os.path.islink(dstpath) or os.stat(dstpath).st_nlink > 1): |
| raise |
| # Copy will fail if the destination is the link to the source. |
| # If that's the case, then delete the destination link first, |
| # then repeat the copy. |
| os.remove(dstpath) |
| shutil.copy(src, dstpath) |
| return 0 |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main(sys.argv[1], sys.argv[2])) |
