[PATCH 3 of 3] chg: detect chg started by chg

[Jun Wu]

On 02/25/2016 03:22 PM, Yuya Nishihara wrote:
> Yep, it's better, but I can't say it's worth polluting environment variables.
> My concern is the CHGMARK variable is visible to child processes. It might
> be problem when simulating the hg behavior.
>
> Silly example:
>
>    $ hg --config='alias.x=!echo $CHGMARK' x

How about dropping it server side?