Re: Add "--show-all" revision walker flag for debugging

[Nicolas Pitre <nico@cam.org>]

On Mon, 11 Feb 2008, Jakub Narebski wrote:

> Linus Torvalds wrote:
> > On Sun, 10 Feb 2008, Jakub Narebski wrote:
> > > 
> > > Well, we could always add it as a local (per repository) "cache".
> > > With only generation numbers we could use pack-index-like format
> > > to store a mapping "commit sha-1 => generation number", just like
> > > now pack index stores mapping "object sha-1 => offset in pack".
> > 
> > Yes, and even embedding this in the pack-file (or perhaps, the index, as a 
> > new index extension) is probably a good idea.
> 
> Errr... index is per workarea (per checkout), and this information
> is per repository, so IMHO storing this info in an index (dircache)
> is a layering violation. Unless you were talking about pack-file-index.

The pack index isn't a good idea since one pack doesn't necessarily 
cover the whole of the repository.  A separate new file is the only 
sensible thing to do, if done at all.


Nicolas