Currently fish doesn't recognize toor as special. However, it's likely
that on BSD systems, fish shell will be used on toor, not on root (toor
is an intentionally existing account to use more advanced shell on, like
shell).
When you chroot in Debian, bash shows the chroot environment in the prompt:
```bash
...
if [ -z "${debian_chroot:-}" ] && [ -r /etc/debian_chroot ]; then
debian_chroot=$(cat /etc/debian_chroot)
fi
PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '
...
```
This is the effect:
```
(chroot_env) user@host:~#
```
It is useful when chrooting, since usually the hostname remains the same and thus you can't distinguish where you are.
It would be nice if this would work without this hack,
but until then, this has to work. Requires you to reinstall
the prompt using fish configuration system.
I recently switch from ZSH to Fish shell and noticed that this theme is slightly different to the one provided by ZSH. I edited my own using funced but thought it might be useful for other people who are used to the ZSH interface.