Why VIM backup filenames are not correct? 'backupdir' option not performing as expected

Question

I\'m building a custom vimrc to improve my workflow, and I really liked the idea of setting a centralized directory to keep all backup, swap and undo files together, like th

Answer 1

I add this answer because I find it really frustrating.

This could be a work-around until Vim add the path translation functionnality to backupdir. What I did is adding the following line to my .vimrc :

autocmd BufWritePost * :execute ':w! ' ."$HOME/.vim/backups/" . substitute(escape(substitute(expand('%:p'), "/", "%", "g"), "%"), ' ', '\\ ', 'g')

Basically, everytime you save a file, it will also save a copy in $HOME/.vim/backups.