[Buildroot] [RFC PATCH 1/3] download/git: fix fetch all refs for old git

[Yann E. MORIN <yann.morin.1998@free.fr>]

Ricardo, All,

On 2018-04-13 15:23 -0300, Ricardo Martincoski spake thusly:
> On Thu, Apr 12, 2018 at 02:42 PM, Yann E. MORIN wrote:
> >> -    _git fetch origin -t
> >> +    _git fetch origin -u "'+refs/tags/*:refs/tags/*'" "'+refs/heads/*:refs/remotes/origin/*'"
> > Why don't we just run:
> >     git fetch origin
> >     git fetch origin -t
> 
> One extra connection to the server ...
> but much more readable/maintainable!
> I will do. I will change this patch to Changes Requested.

Thanks. I don't care much about an extra round-trip to the server,
especially if that makes the code easier to read.

> > As I understand it:
> >                     ancient git         | new git
> > --------------------------------------------------------------------
> > git fetch     | fetch all refs but tags | fetches all refs but tags
> > git fetch -t  | fetches only tags       | fetch all refs and tags
> Nit: actually 'git fetch' does fetch some tags, but not necessarily all. Only
> tags in commits also reachable by branches are fetched.

OK, but overall, we would cover all cases with the two git-fetch,
whether we use an old git or a newer one, and that's the important
info.

Thanks! :-)

Regards,
Yann E. MORIN.

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