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Date:   Sat, 7 Oct 2017 15:29:02 -0400
From:   Jeff King <peff@peff.net>
To:     "Robert P. J. Day" <rpjday@crashcourse.ca>
Cc:     Todd Zullinger <tmz@pobox.com>,
        Git Mailing list <git@vger.kernel.org>
Subject: Re: "git rm" seems to do recursive removal even without "-r"
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On Sat, Oct 07, 2017 at 03:12:01PM -0400, Robert P. J. Day wrote:

>   ok, in that case, can you give me an example where "-r" makes a
> difference, given that the man page refers to "a leading directory
> name being given"? let's use as an example the linux kernel source,
> where there are a *ton* of files named "Makefile" under the drivers/
> directory.
> 
>   should there be a difference between:
> 
>   $ git rm drivers/Makefile
>   $ git rm -r drivers/Makefile
> 
> clearly, i have a "leading directory name" in both examples above ...
> what should happen differently?

Nothing, because there is nothing to recurse in the pathspecs you've
given.

Try:

  $ git rm drivers
  fatal: not removing 'drivers' recursively without -r

versus

  $ git rm -r drivers
  [...removes everything under drivers/...]

-Peff