git show stash

git show stash

[Mike Hommey]

Hi,

Is there a particular reason why git show stash displays 2 signs at the
beginning of changed lines, contrary to git show anyotherref that shows
only one ? (the diff header is also different)

Mike

Re: git show stash

[Mike Hommey]

On Wed, Dec 12, 2007 at 08:28:36AM +0100, Mike Hommey wrote:
> Hi,
> 
> Is there a particular reason why git show stash displays 2 signs at the
> beginning of changed lines, contrary to git show anyotherref that shows
> only one ? (the diff header is also different)

I got a hint by opening my eyes: the stash is a merge commit (why is
that so, by the way ?).

Mike

Re: git show stash

[しらいしななこ]

Quoting Mike Hommey <mh@glandium.org>:

> On Wed, Dec 12, 2007 at 08:28:36AM +0100, Mike Hommey wrote:
>> Hi,
>> 
>> Is there a particular reason why git show stash displays 2 signs at the
>> beginning of changed lines, contrary to git show anyotherref that shows
>> only one ? (the diff header is also different)
>
> I got a hint by opening my eyes: the stash is a merge commit (why is
> that so, by the way ?).

Because it needs to record changes between your HEAD and your index, and changes between your HEAD and your working files.

              .-----STASH
             /     /
        HEAD ---INDEX

A stash is a merge between your HEAD (first parent) and a commit that records your index state (second parent).  The latter commit is a child of your HEAD.  If you never run "git add" and always commit with "git commit -a", it is most likely that "git stash show -p" will show two plus signs or minus signs and nothing else, but if you use "git add" to add your changes incrementally to your index you will see the difference.

-- 
Nanako Shiraishi
http://ivory.ap.teacup.com/nanako3/

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