Autoload not picking up files if ~/.local/share/nvim/site directory not present at startup

[clebs]

Problem

I use plug-vim on neovim and have the plugin recommends the following snippet on the config to automatically install Plug on the first startup: junegunn/vim-plug#1270 (comment)

After reporting, the plugin author found the cause of the issue: junegunn/vim-plug#1270 (comment)

I suggested a workaround by manually sourcing Plug after installing it (junegunn/vim-plug#1270) but maybe this is an actual bug in neovim.

Steps to reproduce

With a fresh install of neovim:

• Add the snippet to automatically install Plug to the init.lua file
• Start neovim

Expected behavior

On first startup, Plug should be installed and the :PlugInstall command should install all plugins.

Instead the :PlugInstall command is not found.

Neovim version (nvim -v)

v0.9.5

Vim (not Nvim) behaves the same?

no

Operating system/version

macOS 14.4

Terminal name/version

tmux 3.4

$TERM environment variable

screen-256color

Installation

Homebrew

[zeertzjq]

Cannot reproduce. But I think adding a :let &runtimepath = &runtimepath after the mkdir() (or the :!curl --create-dirs) to invalidate the cache will fix the problem.

[mamekoro]

I can reproduce with Neovim 0.9.5 on Ubuntu 22.04. Please see junegunn/vim-plug#1270 (comment) for more details.

This error will not occur if Neovim's data directory already exists, so to reproduce it, make sure that the ~/.local/share/nvim/site directory does not exist.

This problem is often encountered when installing Neovim in a Docker image. This is because when the Docker image is built, the Neovim data directory does not exist in its sandbox.

[zeertzjq]

I still cannot reproduce this with any of the init.lua or init.vim I can find from that issue. But does let &runtimepath = &runtimepath work?

[zeertzjq]

Oh, I can reproduce this if another autoload function is called before:

vim.fn['msgpack#is_int'](0)

local data_dir = vim.fn.stdpath('data')
if vim.fn.empty(vim.fn.glob(data_dir .. '/site/autoload/plug.vim')) == 1 then
	vim.cmd('silent !curl -fLo ' ..
		data_dir ..
		'/site/autoload/plug.vim --create-dirs  https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim')
	vim.cmd('autocmd VimEnter * PlugInstall --sync | source $MYVIMRC')
end

local vim = vim
local Plug = vim.fn['plug#']

vim.fn['plug#begin']()
Plug('junegunn/vim-easy-align')
vim.fn['plug#end']()

And let &runtimepath = &runtimepath does work:

vim.fn['msgpack#is_int'](0)

local data_dir = vim.fn.stdpath('data')
if vim.fn.empty(vim.fn.glob(data_dir .. '/site/autoload/plug.vim')) == 1 then
	vim.cmd('silent !curl -fLo ' ..
		data_dir ..
		'/site/autoload/plug.vim --create-dirs  https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim')
	vim.o.runtimepath = vim.o.runtimepath
	vim.cmd('autocmd VimEnter * PlugInstall --sync | source $MYVIMRC')
end

local vim = vim
local Plug = vim.fn['plug#']

vim.fn['plug#begin']()
Plug('junegunn/vim-easy-align')
vim.fn['plug#end']()