vim bug in Debian
Apr 20, 2024 am 09:04 AM
I've been wondering why vim on my server behaves so stupidly when it comes to the mouse: it can't jump, copy, and paste like it normally does. Although it has been set in /etc/vim/vimrc.local.
set mouse=
Finally I figured out why, thanks bug #864074 and fixed it. The reason is that when there is no ~/.vimrc, vim loads defaults.vim after vimrc.local, thus overriding several settings.
There is a comment (although I don't see it) in /etc/vim/vimrc that explains this:
" Vim will load $VIMRUNTIME/defaults.vim if the user does not have a vimrc. " This happens after /etc/vim/vimrc(.local) are loaded, so it will override " any settings in these files. " If you don't want that to happen, uncomment the below line to prevent " defaults.vim from being loaded. " let g:skip_defaults_vim = 1
I agree that this is a good way to set up vim after installing vim normally, but the Debian package can do better. The problem is clearly stated in the bug report: without ~/.vimrc, settings in /etc/vim/vimrc.local are overwritten. This is counter-intuitive in Debian - and I don't know if a similar approach is taken in other packages.
Since the settings in defaults.vim are very reasonable, I hope to use it, but only modify a few items that I don't agree with, such as the mouse. Finally, I did the following in /etc/vim/vimrc.local:
if filereadable("/usr/share/vim/vim80/defaults.vim") source /usr/share/vim/vim80/defaults.vim endif " now set the line that the defaults file is not reloaded afterwards! let g:skip_defaults_vim = 1 " turn of mouse set mouse= " other override settings go here
There's probably a better way to get a universal load statement that doesn't depend on the vim version, but for now I'm happy with this.
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