Re: [PATCH 2/3] rev-list: Introduce --no-output to avoid /dev/null redirects

> Some uses of git-rev-list are to run it with --objects to see if
> a range of objects between two or more commits is fully connected
> or not.  In such a case the caller doesn't care about the actual
> object names or hash hints so formatting this data only for it to
> be dumped to /dev/null by a redirect is a waste of CPU time.  If
> all the caller needs is the exit status then --no-output can be
> used to bypass the commit and object formatting.