Filetype not set in vim after brew upgrade

[Jan Eden]

On 2024-09-09 00:41, Akshay Hegde via Mutt-users wrote:

> On 2024-09-09 08:42 +0200, Jan Eden via Mutt-users wrote:
> > Hi,
> > 
> > this is a little off-topic, but maybe other mutt users are affected,
> > too: Since upgrading to vim 9.1.700 this morning via homebrew, the
> > filetype is not set automatically anymore when calling vim from mutt.
> 
> I just updated to 9.1.0722 this morning on my mac but the filetype detection seems
> to be working fine for me.
> 
> Checking $VIMRUNTIME/filetype.vim [1] reveals that the filetype should get
> set when the name of the buffer matches one of the patterns specified.
> 
> For me, mutt launches vim with a file name beginning with "mutt-*" which
> matches the pattern "mutt{ng,}-*-\w\+" in [1]. So check the filename
> mutt is creating for you.

The filename created for this reply looks like this –

"/var/folders/ps/4v3k3hwj1jd9bdyq8sc4kptr0000gn/T/mutt-snafu-501-5821-14318527686633908551" 34L, 1243B  

– and it matches the pattern

" Mail (for Elm, trn, mutt, muttng, rn, slrn, neomutt)
au BufNewFile,BufRead snd.\d\+,.letter,.letter.\d\+,.followup,.article,.article.\d\+,pico.\d\+,mutt{ng,}-*-\w\+,mutt[[:alnum:]_-]\\\{6\},neomutt-*-\w\+,neomutt[[:alnum:]_-]\\\{6\},ae\d\+.txt,/tmp/SLRN[0-9A-Z.]\+,*.eml setf mail

in /opt/homebrew/Cellar/vim/9.1.0700/share/vim/vim91/filetype.vim.
Still, the filetype is not set (since this morning).

> Running the command ':verbose set filetype?' after mutt launches vim
> should give you an output similar to mine, and more specifically should
> show up as being under the $VIMRUNTIME directory unless you've
> overridden it:
> 
>   filetype=mail
>         Last set from <home>/.local/pkg/vim/9.1.0722/share/vim/vim91/filetype.vim line 1384

The command returns

filetype=

- Jan
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