autocmd BufRead * autocmd FileType <buffer> ++once doesn't work

[cryptomilk]

Describe the bug

The autocmd described in :help restore-cursor doesn't work.

Steps to reproduce

A simple reproducer would be:

autocmd BufRead * autocmd FileType <buffer> ++once echo "wurst"

Expected behavior

It should print "wurst" once.

Neovim version (nvim -v)

0.8.2

Vim (not Nvim) behaves the same?

yes

Operating system/version

Fedora 37

Terminal name/version

konsole

$TERM environment variable

tmux-256color

Installation

system package manager

[cryptomilk]

I'm not sure if this is just a documentation issue.

The autocmd BufRead * set up an event and if it triggers, it wants to call autocmd FileType <buffer> ++once echo "wurst". This looks totally valid to me.

[zeertzjq]

This works if you run it before filetype.lua is sourced, e.g, put it in init.vim or init.lua or pass it in --cmd, but not if you run it after startup because filetype.lua has already been loaded.

[cryptomilk]

Ah, it needs to be BufReadPre

autocmd BufReadPre * autocmd FileType <buffer> ++once echo "wurst"

[clason]

PR welcome! (We have already diverged from upstream for this snippet.)

[lewis6991]

To clarify, the fix should be to run filetype.lua as the last BufRead event.

[zeertzjq]

To clarify, the fix should be to run filetype.lua as the last BufRead event.

How is that possible without hardcoding that in C?

[lewis6991]

It might not be possible without C changes. Otherwise, we should close this as "won't fix".

[clason]

It might not be possible without C changes. Otherwise, we should close this as "won't fix".

No, we also could (and should) simply update the snippet in the docs -- that's the PR I had in mind.