patch 8.2.3385: escaping for fish shell does not work properly Commit: https://github.com/vim/vim/commit/6e82351130ddb8d13cf3748b47f07cae77886fc7 Author: Jason Cox <dev@jasoncarloscox.com> Date: Sun Aug 29 12:36:49 2021 +0200 patch 8.2.3385: escaping for fish shell does not work properly Problem: Escaping for fish shell does not work properly. Solution: Insert a backslash before a backslash. (Jason Cox, closes https://github.com/vim/vim/issues/8810)

" 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