comparison mercurial/posix.py @ 13890:31eb145b50b6

util: move checklink() to posix.py and return False on Windows

Python added support for Windows 6.0 (Vista) symbolic links in 3.2 [1], but
even these symbolic links aren't what we can expect from a canonical
symbolic link, since creation requires SeCreateSymbolicLinkPrivilege,
which typically only admins have.

So we can safely assume that we don't have symbolic links on Windows.

[1] http://docs.python.org/py3k/library/os.html#os.symlink

13889:9a96efc4af8a

    except (IOError, OSError):
        # we don't care, the user probably won't be able to commit anyway
        return False
    return not (new_file_has_exec or exec_flags_cannot_flip)

def set_binary(fd):
    pass

def pconvert(path):
    return path

13890:31eb145b50b6

    except (IOError, OSError):
        # we don't care, the user probably won't be able to commit anyway
        return False
    return not (new_file_has_exec or exec_flags_cannot_flip)

def checklink(path):
    """check whether the given path is on a symlink-capable filesystem"""
    # mktemp is not racy because symlink creation will fail if the
    # file already exists
    name = tempfile.mktemp(dir=path, prefix='hg-checklink-')
    try:
        os.symlink(".", name)
        os.unlink(name)
        return True
    except (OSError, AttributeError):
        return False

def set_binary(fd):
    pass

def pconvert(path):
    return path