flatpak-builder and stdin input

[Dan Nicholson]

On Thu, Jun 21, 2018 at 3:38 PM, John Stebbins
<JohnAStebbins at jetheaddev.com> wrote:
> I'm creating a flatpak bundle for an application that runs a script during it's build process which queries for a
> response using the bash "read" command.  "read" returns immediately without any input being given causing the script and
> build to fail.  Does someone know why this would happen?
>
> I can patch around the issue easily enough, but for future reference I would just like to know what causes this and
> whether there is a way to allow for user input during the build process.

I imagine flatpak-builder closes stdin for safety.