[PATCH 1 of 3 hglib] config: un-break showconfig wrapper when environment variables are used

[Yuya Nishihara]

On Sun, 10 Dec 2017 12:54:52 -0500, Augie Fackler wrote:
> # HG changeset patch
> # User Augie Fackler <raf at durin42.com>
> # Date 1512927456 18000
> #      Sun Dec 10 12:37:36 2017 -0500
> # Node ID fd22223e0c7b22d8807e30f96f734d10c59f4433
> # Parent  22767a1e61acff3521c0b84589546906274cdbcf
> config: un-break showconfig wrapper when environment variables are used

These look good to me.

> diff --git a/hglib/client.py b/hglib/client.py
> --- a/hglib/client.py
> +++ b/hglib/client.py
> @@ -682,6 +682,7 @@ class hgclient(object):
>          conf = []
>          if showsource:
>              out = util.skiplines(out, b('read config from: '))
> +            out = util.skiplines(out, b('set config by: '))

Nit: perhaps these prefixes can be a tuple since util.skiplines() just passes
'prefix' to bytes.startswith().