How to refer to the current directory and filepath when running a command?

[rochacbruno]

On vim we can use getcwd() and expand('%:p:h') to read current dir and filepath.

Is there any filename-modifiers for helix to use when binding commands?

I want to do something like this

[keys.normal]
o = [":cd {current_buffer_dir}", "global_search"]

[the-mikedavis]

We'd like to support variables but it's isn't currently implemented, see #6979