linux-kernel - Re: [PATCH] Fix detectition of kernel git repository in setlocalversion script

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Date:	Mon, 02 Dec 2013 16:16:28 +0100
From:	Michal Marek <mmarek@...e.cz>
To:	Franck Bui-Huu <fbuihuu@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Fix detectition of kernel git repository in setlocalversion
 script

On 2.12.2013 16:14, Franck Bui-Huu wrote:
> On 12/02/2013 03:57 PM, Michal Marek wrote:
>> On 2.12.2013 14:21, Franck Bui-Huu wrote:
>>> diff --git a/scripts/setlocalversion b/scripts/setlocalversion
>>> index 0b5ccf3..c16e65d 100755
>>> --- a/scripts/setlocalversion
>>> +++ b/scripts/setlocalversion
>>> @@ -43,7 +43,8 @@ scm_version()
>>>  	fi
>>>  
>>>  	# Check for git and a git repo.
>>> -	if test -d .git && head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
>>> +	if topdir=$(git rev-parse --show-cdup 2>/dev/null) && test -z "$topdir" &&
>>> +	   head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
>>
>> You can do test -z "$(git rev-parse --show-cdup 2>/dev/null)" without
>> the $topdir variable.
> 
> No, "$(git rev-parse --show-cdup 2>/dev/null)" would also give the empty
> string if the git command fails (ie not inside a git repository at all).

Then git rev-parse will also fail.

Michal
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