> How about bind-mounting ~/.xbindkeysrc.scm outside the chroot into /var/host/xbindkeysrc.scm or something and sourcing it? Not adding it to this patch, but it would provide a simple and consistent way to extend xbindkeys for all chroots.

Good idea.

> The other thing to note is that xbindkeys may need to be replaced if it's disappearing from Debian and causing issues with VNC and whatnot.

I'll follow up on the Debian issue, upstream released a new version with a fix, so hopefully xbindkeys can be reintegrated. And if it's causing problems with VNC, bindings can depend on which `XMETHOD` is selected.