Re: [RFC] Support projects including other projects

From: James Purser <purserj@ksit.dynalias.com>
Date: May 12, 2005, 06:33 UTC
Message-ID: <1115879630.3085.40.camel@kryten>
In-Reply-To: <Pine.LNX.4.21.0505120137200.30848-100000@iabervon.org>

I've really got remember that reply to all option. On Thu, 2005-05-12 at 15:46, Daniel Barkalow wrote:

> On Thu, 12 May 2005, James Purser wrote:
> 
> > On Thu, 2005-05-12 at 15:19, Daniel Barkalow wrote:
> > > If you think about it as git and cogito being entirely separate

projects,

> > > where users would be expected to have the right version of git

most of the

> > > time (or ever), this is true. But I think that cogito is as

closely tied

> > > to git as the kernel is to kbuild or kconfig; the difference is

that git

> > > is not solely available with cogito, like kbuild is solely

available with

> > > the kernel.
> > I tend to disagree with you on this point. Cogito and Git share
> > arelationship more akin to xorg and gnome and this is something I

think

> > Linus intended so that it would be very easy to build a layer on top

of

> > the git toolset. Cogito is great and it fills a need but give it

time

Show 5 quoted lines

> > and other implementations and tool sets will come along that may
> > supersede it.
> 
> The point of this feature is to support other implementations and tool
> sets. If there weren't other things using the git core, there would be

no

> reason to leave the current situation where cogito simply includes the
> complete contents of git-pb. The relationship between cogito and git

is,

> however, not at all like that between Gnome and x.org; gnome could not

be

> started until X was essentially completely stable for several years

(after

> which X could be reimplemented and extended, so long as it retained

the

> same API). Cogito, on the other hand, is being developed concurrently

with

> git, and substantially informs git development. The current cogito

doesn't

> work completely correctly with any mainline git, whereas the current

Gnome

Show 13 quoted lines

> works with every x.org release as well as any XFree86 or most other X
> servers since the mid 90's.
> 
> Also, any particular user is probably only going to use one git-based
> system, but will almost certainly use many different X clients.
> 
>       -Daniel
> *This .sig left intentionally blank*
> 
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Okay the gnome/xorg is a bad example the point I was trying to get across was that cogito and git are not as intertwined as you say, if development of cogito stopped tomorrow then git would keep going and another second layer app would take its place.

Yes cogito helps with git development as it provides a great way to test different situations in a different environment than you would normally get by running the bare git tools your self.

The way I have been reading things (and I may be wrong about this, it wouldn't be the first time :)) is that git is THE base line providing the necessary tools and structure for anyone who wishes to build an application on top. Cogito is an example of that second layer app, built on top of the toolset and still able to talk to non cogito managed trees. Sort of like CVS and its various client implentations (Command Line, GCVS etc).

Again I may have gotten things arse about, if I have then I blame lack of sleep :)

-- 
James Purser
http://ksit.dynalias.com