What's the Windows command shell equivalent of Bash's `true` command?

Question

I have written a Vim plugin which shells out to run external commands. Two of the commands I run are diff and grep which can each exit with a non-z

Answer 1

The context is a Windows cmd shell (used by the git-cmd.bat script):

Following "Exiting batch with EXIT /B X where X>=1 acts as if command completed successfully when using && or || operators between batch calls", you could define in your path a true.bat file with:

@%COMSPEC% /C exit 1 >nul