Re: [PATCH 4/4] config: allow including config from repository blobs

> So yeah, if you are just going to copy it once, or even periodically, it
> is not that big an advantage. And the example I gave using "git tag" did
> just that. But I also wanted to allow more complex things, like this:
>
>   # clone and inspect
>   git clone git://example.com/project.git
>   cd project
>   git show origin:devtools/std_gitconfig
>
>   # well, that looks pretty good. But I'd like to tweak something.
>   git checkout -b config origin
>   $EDITOR devtools/std_gitconfig
>   git commit -a -m "drop the foo option, which I hate"
>
>   # OK, let's use it now.
>   git config include.ref config:devtools/std_gitconfig
>
>   # Weeks pass. Somebody else updates the std_gitconfig.
>   git fetch
>   # let's inspect the changes
>   git checkout config
>   git diff @{u} -- devtools/std_gitconfig
>   # looks good, let's merge (not copy!) them in
>   git merge @{u}
>
> This is obviously an advanced thing to be doing.