linux-kernel - Re: linux-next: unneeded merge in the security tree

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Date:	Tue, 12 Mar 2013 13:02:19 -0700
From:	Junio C Hamano <gitster@...ox.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	"Theodore Ts'o" <tytso@....edu>, James Morris <jmorris@...ei.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Git Mailing List <git@...r.kernel.org>
Subject: Re: linux-next: unneeded merge in the security tree

Junio C Hamano <gitster@...ox.com> writes:

> Then under the "--no-ff activates the magic" rule:
>
> 	git merge v3.9-rc2
>
> will fast-forward, but this
>
> 	git merge --no-ff v3.9-rc2
>
> creates a real merge with the "mergetag" signature block.  The one
> that caused trouble in the "security tree", i.e.
>
>         git pull linus v3.9-rc2
>
> or its equivalent
>
>         git fetch linus v3.9-rc2
>         git merge FETCH_HEAD
>
> would still fast-forward under this rule.  The maintainer needs to
> do
>
> 	git pull --no-ff git://git.kernel.org/... for-linus
>
> if the pull could fast-forward under this rule, though.

Scratch the last sentence.  It should have been

"whether the pull fast-forwards or not".  You'd always need to.
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