Re: Git question. Is there a way of duplicating a git repository?

[Andy Moreton]

On Sat 14 Nov 2015, Alan Mackenzie wrote:

> Hello, Emacs.
>
> Now that we've cut the emacs-25 release branch, I'd like to have a
> distinct repository for this.
>
> I could simply download another copy from savannah, but this would
> (presumably) be a distinct copy, rather than hard linking the repository
> files.  This would cost me disk (and backup) space.
>
> Or I could clone my master repository to make emacs-25.  But this would
> make the new repo firmly subordinate to the master repo, rather than
> directly with savannah.
>
> So, is there any convenient way of duplicating a repo (using hard links,
> and preserving config info)?

Something like this should do what you want:

cd master/..
git clone --reference master git://git.sv.gnu.org/emacs --branch emacs-25 
emacs-25

I'm sure someone more expert with git will report a better recipe.

    AndyM