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[PATCH v2 3/4] get_maintainer: add --no-foo options to --help

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Many flag options are boolean and support both a positive and a negative
invocation from the command line. Some of these are even mentioned by
example (e.g., --nogit is mentioned as a default option), but they
aren't explicitly mentioned in the list of options. It happens that some
of these are pretty important, as they are default-on, and to turn them
off, you have to know about the --no-foo version.

Rather than clutter the whole help text with bracketed '--[no]foo',
let's just mention the general rule, a la 'man gcc'.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Joe Perches <joe@perches.com>
---
v1 -> v2:
  * don't clutter with --[no]foo bracketing; just include this note up front;
    suggested by Joe

v1:
  https://lkml.org/lkml/2015/8/19/441

 scripts/get_maintainer.pl | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index 6c307276f3d6..13115eab8992 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -770,6 +770,9 @@ usage: $P [options] patchfile
        $P [options] -f file|directory
 version: $V
 
+Most options have both positive and negative forms. The negative form of --foo
+is --nofoo.
+
 MAINTAINER field selection options:
   --email => print email address(es) if any
     --git => include recent git \*-by: signers
-- 
2.6.0.rc2.230.g3dd15c0

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[PATCH v2 3/4] get_maintainer: add --no-foo options to --help Brian Norris <computersforpeace@gmail.com> - 2015-11-04 20:30 +0100
  Re: [PATCH v2 3/4] get_maintainer: add --no-foo options to --help Joe Perches <joe@perches.com> - 2015-11-04 20:50 +0100
    Re: [PATCH v2 3/4] get_maintainer: add --no-foo options to --help Brian Norris <computersforpeace@gmail.com> - 2015-11-04 21:40 +0100
    Re: [PATCH v2 3/4] get_maintainer: add --no-foo options to --help Brian Norris <computersforpeace@gmail.com> - 2015-11-04 22:00 +0100

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