Migrate To `winbuffix`

[petobens]

I believe this would be really helpul to avoid loading a buffer within the nvimtree window.

[alex-courtis]

I'm not quite sure what you're referring to; I'm not able to find that :help winfixbuf

Do you have something you can demonstrate?

[petobens]

Sure. The winfixbuf option won't allow me to switch windows/buffers within the nvimtree buffers:

See here for details.

[alex-courtis]

Ah that's fantastic! Solves a lot of issues for plugins displaying in windows.

It can be used for actions.open_file.eject, removing the need for _prevent_buffer_override

Unfortunately we're going to need to wait for 0.10 to be released, however we can do this today, behind a vim.fn.has("nvim-0.10") == 1 feature flag.

As usual, pull requests are most gratefully appreciated, see CONTRIBUTING.md

[petobens]

Thanks for the feedback. See #2738