From 31cb37687a039743063c16767ed04f65248cffd4 Mon Sep 17 00:00:00 2001
From: Yochem van Rosmalen <git@yochem.nl>
Date: Mon, 15 Dec 2025 16:53:53 +0100
Subject: [PATCH] fix(health): check shell performance using vim.fn.system()
 #36980

Problem:
`vim.system()` doesn't invoke a shell, while the Vimscript function
`system()` does.

Solution:
Revert the change from 35af766de6 and use `vim.fn.system()` again to
actually invoke a shell.
---
 runtime/lua/vim/health/health.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/runtime/lua/vim/health/health.lua b/runtime/lua/vim/health/health.lua
index 2070d87a0a..084ee7fed8 100644
--- a/runtime/lua/vim/health/health.lua
+++ b/runtime/lua/vim/health/health.lua
@@ -175,7 +175,8 @@ local function check_performance()
   -- check for slow shell invocation
   local slow_cmd_time = 1.5e9
   local start_time = vim.uv.hrtime()
-  system({ 'echo' })
+  -- Vimscript's sytem() is used to actually invoke a shell
+  vim.fn.system('echo')
   local elapsed_time = vim.uv.hrtime() - start_time
   if elapsed_time > slow_cmd_time then
     health.warn(