Mercurial > public > mercurial-scm > hg
comparison mercurial/util.py @ 18326:614f769e6aa7
util: copyfile: remove dest before copying
This prevents spurious problems writing to locked files on Windows.
| author | Mads Kiilerich <mads@kiilerich.com> |
|---|---|
| date | Thu, 10 Jan 2013 00:44:23 +0100 |
| parents | ddc0323db78b |
| children | ae60735e37d2 |
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| 18325:297bf69966a0 | 18326:614f769e6aa7 |
|---|---|
| 480 | 480 |
| 481 return check | 481 return check |
| 482 | 482 |
| 483 def copyfile(src, dest): | 483 def copyfile(src, dest): |
| 484 "copy a file, preserving mode and atime/mtime" | 484 "copy a file, preserving mode and atime/mtime" |
| 485 if os.path.lexists(dest): | |
| 486 unlink(dest) | |
| 485 if os.path.islink(src): | 487 if os.path.islink(src): |
| 486 try: | |
| 487 os.unlink(dest) | |
| 488 except OSError: | |
| 489 pass | |
| 490 os.symlink(os.readlink(src), dest) | 488 os.symlink(os.readlink(src), dest) |
| 491 else: | 489 else: |
| 492 try: | 490 try: |
| 493 shutil.copyfile(src, dest) | 491 shutil.copyfile(src, dest) |
| 494 shutil.copymode(src, dest) | 492 shutil.copymode(src, dest) |