Re: git remote vs. submodules

[Tomas Carnecky <tom@dbservice.com>]

On 11/11/10 2:45 AM, Patrick Doyle wrote:
> Hello All,
> I was just reading about git remote and I started thinking to myself,
> "Gee, nothing I've read says that the remotes have to share a common
> ancestor.  I wonder what would happen if I added two independent
> repositories as remotes to a superproject?"
> 
> So I tried it in a very trivial case.  The first thing I learned was
> that I need to make the subprojects subdirectories of a top level
> .git-housing directory.  Or else, when I merge them in, everything in
> the top level of subproject1 gets mixed in with everything in the top
> level of subproject2.  So this doesn't seem to be a good solution for
> marrying arbitrary subprojects together.  But if I set up a library of
> subprojects properly, it seems like I could do this.
> 
> So now I'm wondering... has anybody else ever had thoughts along these
> lines?  Has anybody tried this?  Has anybody seen it work (or fail
> miserably)?
> 
> Why would I want to do this instead of using submodules?  I dunno.  It
> just came to mind when I started trying to understand what's really
> going on with remotes.  And I vaguely (and perhaps even correctly)
> recall there being some controversy regarding submodules when they
> were first introduced.

Are you maybe looking for a subtree merge?
http://www.kernel.org/pub/software/scm/git/docs/howto/using-merge-subtree.html

tom