[PATCH 1 of 8] py3: don't use os.getcwdb() on Windows to avoid DeprecationWarnings

[Yuya Nishihara]

On Sat, 22 Sep 2018 11:28:37 -0400, Matt Harbison wrote:
> # HG changeset patch
> # User Matt Harbison <matt_harbison at yahoo.com>
> # Date 1537573703 14400
> #      Fri Sep 21 19:48:23 2018 -0400
> # Node ID 758cf8cdf994942174238c28c8f06ece63dae2b5
> # Parent  7e99b02768ef396b5c4b7a9126c329f49af3e2bf
> py3: don't use os.getcwdb() on Windows to avoid DeprecationWarnings
> 
> See also ac32685011a3.
> 
> diff --git a/mercurial/pycompat.py b/mercurial/pycompat.py
> --- a/mercurial/pycompat.py
> +++ b/mercurial/pycompat.py
> @@ -100,6 +100,13 @@ if ispy3:
>      # os.getcwd() on Python 3 returns string, but it has os.getcwdb() which
>      # returns bytes.
>      getcwd = os.getcwdb
> +
> +    # Python 3 on Windows issues a DeprecationWarning about using the bytes API
> +    # when os.getcwdb() is called.
> +    if osname == 'nt':
> +        from . import encoding   # encoding imports pycompat
> +        getcwd = lambda: encoding.strtolocal(os.getcwd())

Can you move this to encoding.getcwd() just like encoding.environ?