[PATCH] hooks: allow Unix style environment variables on external Windows hooks

[Matt Harbison]

On Sun, 02 Jul 2017 01:45:00 -0400, Matt Harbison <mharbison72 at gmail.com>  
wrote:

> # HG changeset patch
> # User Matt Harbison <matt_harbison at yahoo.com>
> # Date 1498969929 14400
> #      Sun Jul 02 00:32:09 2017 -0400
> # Node ID 5684913c02965f4a6bb43320e8aa189333962dd1
> # Parent  61ed2cc98fd17c50c7adf634d777d946781a9fc1
> hooks: allow Unix style environment variables on external Windows hooks

This should probably be flagged (BC), though I'm not sure why anybody  
would be trying to use literal '$' on Windows.