In most cases e.g. we do want to show stdout/stderr, and it's handy to have a debug log when we're running a subprocess. While we're here, switch to just forking `cp` in the setup code. Signed-off-by: Colin Walters <walters@verbum.org>
As this is a footgun that multiple people have run into. Signed-off-by: Colin Walters <walters@verbum.org>
For functional clarity. Signed-off-by: Colin Walters <walters@verbum.org>