Mercurial > public > mercurial-scm > hg
comparison mercurial/util.py @ 10901:997173e49115 stable
checklink: use an explicit prefix for the temporary file
| author | Benoit Boissinot <benoit.boissinot@ens-lyon.org> |
|---|---|
| date | Wed, 14 Apr 2010 08:48:26 +0200 |
| parents | 2d61b612a09d |
| children | cd21bf199d17 18e81d42ee5c |
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| 10896:2d61b612a09d | 10901:997173e49115 |
|---|---|
| 680 | 680 |
| 681 def checklink(path): | 681 def checklink(path): |
| 682 """check whether the given path is on a symlink-capable filesystem""" | 682 """check whether the given path is on a symlink-capable filesystem""" |
| 683 # mktemp is not racy because symlink creation will fail if the | 683 # mktemp is not racy because symlink creation will fail if the |
| 684 # file already exists | 684 # file already exists |
| 685 name = tempfile.mktemp(dir=path) | 685 name = tempfile.mktemp(dir=path, prefix='hg-checklink-') |
| 686 try: | 686 try: |
| 687 os.symlink(".", name) | 687 os.symlink(".", name) |
| 688 os.unlink(name) | 688 os.unlink(name) |
| 689 return True | 689 return True |
| 690 except (OSError, AttributeError): | 690 except (OSError, AttributeError): |