linux-kernel - Re: why does git perpetually complain about include/asm-blackfin/macros.h?

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Message-ID: <20070714074558.GA8047@uranus.ravnborg.org>
Date:	Sat, 14 Jul 2007 09:45:58 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	Alex Riesen <raa.lkml@...il.com>,
	Jesper Juhl <jesper.juhl@...il.com>,
	"Robert P. J. Day" <rpjday@...dspring.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Git Mailing List <git@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: why does git perpetually complain about include/asm-blackfin/macros.h?

On Mon, Jul 02, 2007 at 10:37:28AM -0400, Jeff Garzik wrote:
> Alex Riesen wrote:
> >Do some of your branches miss the commit by which it was removed?
> 
> git-clone followed by git-checkout master recreates the problem.
> 
> But to answer your question directly, I rebase, so they absolutely do 
> not miss any commits.
> 
> 
> >It is somewhat unclear what "reappear" means, though: do you mean
> 
> Attempts to give you precise output to answer your question yielded a 
> data point, the kernel's "make distclean" causes this:
> 
> [jgarzik@...tzel linux-2.6]$ make distclean && git checkout master && 
> git diff HEAD
> D       include/asm-blackfin/macros.h
> Switched to branch "master"
> diff --git a/include/asm-blackfin/macros.h b/include/asm-blackfin/macros.h
> deleted file mode 100644
> index e69de29..0000000
> 
> [jgarzik@...tzel linux-2.6]$ git checkout -f
> 
> [jgarzik@...tzel linux-2.6]$ make distclean && git checkout master && 
> git diff HEAD
> D       include/asm-blackfin/macros.h
> Switched to branch "master"
> diff --git a/include/asm-blackfin/macros.h b/include/asm-blackfin/macros.h
> deleted file mode 100644
> index e69de29..0000000
> 
> [jgarzik@...tzel linux-2.6]$ git checkout -f
> 
> [jgarzik@...tzel linux-2.6]$ git checkout master && git diff 
> HEADSwitched to branch "master"
> 
> [jgarzik@...tzel linux-2.6]$ git checkout master && git diff HEAD
> Switched to branch "master"
> 
> [jgarzik@...tzel linux-2.6]$
> 
> 
> So, not a git problem but a kernel Makefile problem.  Sorry for the git 
> noise.

distclean on purpose delete zero size files.
And the kernel tree shall not contain such files - if it does it is a bug.

So I do not see a 'problem' with the kernel makefile but instead a problem
with the kernel tree wich is about to be fixed.

Agree?

	Sam
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