linux-kernel - Re: [Resend PATCH] package: Makefile: fix perf target bug

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Message-ID: <BANLkTimcs83J3O8o7npLftBaQk1WKKZ=2Q@mail.gmail.com>
Date:	Fri, 13 May 2011 11:52:38 -0700
From:	matt mooney <mfmooney@...il.com>
To:	Michal Marek <mmarek@...e.cz>
Cc:	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: Re: [Resend PATCH] package: Makefile: fix perf target bug

On Fri, May 13, 2011 at 1:26 AM, Michal Marek <mmarek@...e.cz> wrote:
> On 12.5.2011 23:38, matt mooney wrote:
>>
>> On Thu, May 12, 2011 at 2:20 PM, Michal Marek<mmarek@...e.cz>  wrote:
>>>
>>> On 12.5.2011 23:07, matt mooney wrote:
>>>>
>>>> 2011/5/12 Michal Marek<mmarek@...e.cz>:
>>>>>
>>>>> Neither git archive not git rev-parse need the work tree, --git-dir=..
>>>>> is sufficient.
>>>>
>>>> Are you sure?
>>>
>>> Yes.
>>> $ cd /tmp
>>> $ git --git-dir=$HOME/linux-2.6/.git rev-parse HEAD
>>> e0a04b11e4059cab033469617c2a3ce2d8cab416
>>>
>>
>> You are right about that command, but it doesn't use the source tree.
>
> Yes, neither git rev-parse nor git archive use the work tree. That's what I
> tried to explain to you in my first mail.

Okay, again you are right; I erroneously thought git archive needed
the work tree too.

>> Do a git --git-dir=$HOME/linux-2.6/.git status from /tmp and see what
>> happens.
>
> That's irrelevant, I only talked about archive and rev-parse.
>
>
>> So do you want me to send a new patch without --work-tree= in git
>> rev-parse?
>
> And in git archive.

So the real problem is that tools/perf/MANIFEST contains wildcards,
and when git archive is run, file name expansion isn't working
properly. By adding the $(srctree) as a prefix, globbing works but
then git archive requires --work-tree to be set.

I really don't know of a better alternative.

Thanks,
matt

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