mercurial/posix.py

22945:3232f92360d4

    # mktemp is not racy because symlink creation will fail if the
    # file already exists
    name = tempfile.mktemp(dir=path, prefix='hg-checklink-')
    try:
        fd = tempfile.NamedTemporaryFile(dir=path, prefix='hg-checklink-')
        os.symlink(os.path.basename(fd.name), name)
        os.unlink(name)
        return True
    except AttributeError:
        return False
    except OSError, inst:
        # sshfs might report failure while successfully creating the link
        if inst[0] == errno.EIO and os.path.exists(name):

22946:77c121da6143

    # mktemp is not racy because symlink creation will fail if the
    # file already exists
    name = tempfile.mktemp(dir=path, prefix='hg-checklink-')
    try:
        fd = tempfile.NamedTemporaryFile(dir=path, prefix='hg-checklink-')
        try:
            os.symlink(os.path.basename(fd.name), name)
            os.unlink(name)
            return True
        finally:
            fd.close()
    except AttributeError:
        return False
    except OSError, inst:
        # sshfs might report failure while successfully creating the link
        if inst[0] == errno.EIO and os.path.exists(name):