Re: [GSoC microproject] Add XDG support to the credential-store helper

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Paul Tan <pyokagan@xxxxxxxxx> writes:

> Hi Luis,
>
> On Fri, Mar 6, 2015 at 7:41 AM, Luis Ressel <aranea@xxxxxxxx> wrote:
>> Okay, I've had a look at Paul's patch for this. Sorry again for the
>> dupe, I must've missed it before. I guess I'll attempt another
>> microproject.
>>
>> However, I feel like my patch is really all that's neccessary; I don't
>> think we should try to use both files if they exist -- I consider
>> Paul's approach to be a bit overcomplicated.
>>
>> My patch still uses ~/.git-credentials as a default location, which
>> should be sufficient for compability.
>
> Indeed, that was my initial plan for implementation as well[1]. Matthieu,
> however, wanted the behavior to follow that of git-config[2].

The fact that I suggested doing it this way does not mean it _has_ to be
done this way. Decisions are taken by trying to reach a consensus with
discussion, so everyone is welcome to argue.

I don't remember all the discussions we had about the ~/.gitconfig, but
one issue with considering only one file is if you create
~/.git/config/foo and initially make sure you don't have ~/.gitfoo, and
then one tool creates ~/.gitfoo (either an old Git, or another tool
trying to edit the config file), then you totally break your
configuration.

I argued for not taking backward compatibility too much into account in
another thread, but that was about precedence of one file over the other
which is far less important. Here, any tool creating even an empty home
file would break your configuration.

That also breaks the least surprise principle if you have a ~/.gitfoo
file that you forgot about: edit ~/.config/git/foo, nothing is taken
into account, at all (or the other way around, depending on the
precedence you choose). I remember loosing some time with two vlc
configuration files like this.

-- 
Matthieu Moy
http://www-verimag.imag.fr/~moy/
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