patch 8.1.2133: some tests fail when run as root Commit: https://github.com/vim/vim/commit/07282f01da06c158bab4787adc89ec15d7eeb202 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Oct 10 16:46:17 2019 +0200 patch 8.1.2133: some tests fail when run as root Problem: Some tests fail when run as root. Solution: Add CheckNotRoot and use it. (James McCoy, closes https://github.com/vim/vim/issues/5020)

#! /bin/sh
#
# which.sh -- find where an executable is located.  It's here because the
# "which" command is not supported everywhere.  Used by Makefile.

IFS=":"
for ac_dir in $PATH; do
	if test -f "$ac_dir/$1"; then
		echo "$ac_dir/$1"
		break
	fi
done