Re: [SQUASHED PATCH] Add support for GIT_CEILING_DIRECTORIES

[Johannes Sixt <j.sixt@xxxxxxxxxxxxx>]

Johannes Schindelin schrieb:
> Hi,
> 
> On Fri, 16 May 2008, Johannes Sixt wrote:
> 
>> Johannes Schindelin schrieb:
>>> +'GIT_CEILING_DIRECTORIES'::
>>> +	If set (to a colon delimited list of absolute directories), Git
>>> +	will refuse to look for the .git/ directory further when hitting
>>> +	one of those directories (otherwise it would traverse the parent
>>> +	directories until hitting the root directory).
>> Hmm.
>>
>> Looking at the current implementation, this should be written as:
>>
>> 	If set to a colon delimited list of absolute directories,
>> 	and the current directory is in or below one of them, then
>> 	these are the top-most directories in which Git will look for
>> 	a .git/ directory (otherwise it would traverse the parent
>> 	directories until hitting the root directory).
> 
> According to the test case
> 
>         GIT_CEILING_DIRECTORIES="$CWD/X:$CWD/subdir" &&
>         export GIT_CEILING_DIRECTORIES &&
>         (cd subdir && test_must_fail git rev-parse --git-dir)
> 
> this is not the case.  If you have something like /bla/subdir and you are 
> in /bla/subdir, it will not look for .git/.

No, the test just shows that it does not *find* a subdir/.git/, but it
does not show that it doesn't even *look* for it.

Let's first clarify the semantics of GIT_CEILING_DIRECTORIES before we
start fixing something: Can a directory that is named in
GIT_CEILING_DIRECTORIES be a git repository or not?

David's original motivation was that it cannot; in your implementation it can.

-- Hannes
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