patch 8.2.0151: detecting a script was already sourced is unreliable Commit: https://github.com/vim/vim/commit/978d170bdce9c0a47e6683cd7c288bc2706f3fff Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jan 26 17:38:12 2020 +0100 patch 8.2.0151: detecting a script was already sourced is unreliable Problem: Detecting a script was already sourced is unreliable. Solution: Do not use the inode number.

" Settings for test script execution
" Always use "sh", don't use the value of "$SHELL".
set shell=sh

" Only when the +eval feature is present. 
if 1
  " While some tests overwrite $HOME to prevent them from polluting user files,
  " we need to remember the original value so that we can tell external systems
  " where to ask about their own user settings.
  let g:tester_HOME = $HOME
endif

source setup.vim