On 2018-04-02 19:18, Bas Zoutendijk wrote:

> That is exactly what I meant to do, and I admit it is rather kludgey.
> Because of the single quotes, which are around everything but $HOST,
> the double quotes are literally echoed.  The child shell will
> therefore see the PS1 definition surrounded by double quotes.  The
> echo part should be equivalent to this, which may be clearer:
> 
>     echo "export PS1=\"(chroot $HOST) \$PS1\"; exec <dev/tty"
> 
> For the record, my original Goldberg device works for me.  /How/ it
> works is another question, on which we will hopefully reach consensus
> at some point.

I see.  Color me stumped; your solution should work.

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