After noticing lag when opening a directory in Netrw, I put the following in my
~/.vim/ftplugin/netrw.vim to see if it was loading multiple times:
if !exists('s:count')
let s:count = 0
endif
let s:count += 1
func! Count()
return s:count
endf
I started vim:
vim foo.txt -u NORC +'set nocp' +'runtime! plugin/netrwPlugin.vim'
+'filetype plugin on'
I opened the containing directory in netrw:
:edit %:h
and checking s:count shows it did at least source my ftplugin file twice:
:echo Count()
2
I've played around with this and it increments the count by 1 when leaving a
netrw buffer and by 2 when entering a netrw buffer. Navigating from one netrw
buffer to another (e.g. moving up another level in the directory tree)
increments the count by 3 (1 + 2).
I suspect it's related to autocommands for entering/leaving buffers, but
haven't been able to get any further debugging.
I originally noticed this because opening a Netrw buffer had a noticeable delay
and the cursor would flicker. It seems recent vim updates have fixed whatever
was causing the delay and flicker, but the double-loading still occurs.
Any ideas how I might debug this further?
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