bluetech/kmscon — comment on commit 9eac7c8d457268aed3572ed09c9a1481d65cc408
File: src/input.c line 177
By dvdhrm:

I am fine with sticking to us keyboard (although I don't own one) for now. But if you want to you can also parse some environment var here like KMSCON_KB_LAYOUT, _KB_VARIANT, _KB_OPTIONS. Of course, eventually we need to change it. Feel free to add it to TODO list.