Quoting Christian Seiler (christ...@iwakd.de):
> Hi there,
> 
> > Can we easily move the clearenv() to an lxc-attach argument?
> > If so, I'd prefer we make it an option rather than remove it 
> > entirely.
> 
> Well, in my list that I posted earlier, I suggested adding an option to
> clear the environment anyway, even if the (for post 0.9 more
> complicated) defaults will say no.
> 
> So what we could do is:
> 
>   - don't clear env by default for now
>     (in line with previous attach behaviour, so we don't change
>     anything for now)
>   - add '--clear-env' option that clears environment regardless
>   - add '--keep-env' option that is a no-op in 0.9
>   - post 0.9: make defaults more sane, according to my list with
>     potential adjustments from discussions; the new options will then
>     still work and thus be future-proof. But document in the manpage
>     of 0.9 that default behaviour will likely change in 1.0. This
>     allows for a sort of transition period where people can upgrade
>     from previous versions (no change in defaults) but are able to
>     explicitly choose what they want and write future-proof scripts.
> 
> This seems to be a reasonable compromise. If both Serge and you agree,
> I'll write, test and send a patch before Sunday, so it can still go
> into 0.9.

Sounds good to me.

thanks,
-serge

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