On Sun, 17 Apr 2005, Linus Torvalds wrote:

> On Sun, 17 Apr 2005, Daniel Barkalow wrote:
> > 
> > Any comment on the design, or should I send my implementation?
> Show the patches, and maybe I (and others) can make comments on the 
> thing.. It doesn't sound broken by design, the only question is how much 
> harder (if any) it is to use than the rather trivial "revision.h" which 
> gets us really small files.

I don't think it's much different in difficulty, plus it handles more
(parsing the objects more completely). They'll follow.

> In particular, is there some easy way to walk backwards by time? "git log"  
> definitely needs that, and merge-base clearly wants something similar. I
> also pretty much guarantee that visualization tools want that - creating a
> visual representation of the dag by time.

I think that should be easy, although I haven't written code to do it. If
you output the whole history, sorted by date, you obviously need to get 
the whole history, but I expect people will have some sort of pruning to
keep it down to a size they care about.

> But if there are simple helper functions to get the "next backwards in 
> time" case (by looking at the parent dates in a merge), then that should 
> be ok to do incrementally.

Haven't written that yet, but I can do so.

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