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List: kde-core-devel
Subject: Re: clarification on git, central repositories and commit access lists
From: Linus Torvalds <torvalds () linux-foundation ! org>
Date: 2007-08-20 18:54:18
Message-ID: alpine.LFD.0.999.0708201149240.30176 () woody ! linux-foundation ! org
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On Mon, 20 Aug 2007, Linus Torvalds wrote:
>
> This is one of the big advantages of true distribution: you can have that
> kind of "central" tree that does integration, but it doesn't actually have
> to integrate the development "as it happens". In fact, it really really
> shouldn't. If you look at my merges, for example, when I merge big changes
> from somebody else who actually maintains them in a git tree, they will
> have often been done much earlier, and be a series of changes, and I only
> merge when they are "ready".
Btw, to see this in another light: as an example of a git tree that merges
those same branches, but *before* they are ready, just look at the -mm
tree.
Now, Andrew actually ends up exposing the end result not as a git tree,
but as patches, but what he actually *does* is to:
- get my git tree
- merge in about 30-40 other git trees from other developers (not all of
which necessarily have actual development on them at any particular
time)
- then merge in his own patch list
- expose it all as the -mm patch series
So this is an example of how you actually have a totally separate, and
still fairly central (the -mm tree is certainly now unknown outside of the
core developer circles) tree, and where git is a big part in making a
central "experimental" tree that is separate from my own central
"development" tree.
Also, it's an example of why centralization is bad: different people and
entities have different intents. You could *not* reasonably do something
like this with a centralized SCM like SVN.
Linus
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