Hi,
On Thu, 15 Mar 2007, Alex Riesen wrote:
> On 3/15/07, Johannes Schindelin <Johannes.Schindelin@xxxxxx> wrote:
> > > > $ git-rev-parse v2.6.16^{tree} v2.6.20^{tree}
> > > >
> > >
> > > Why would I want to benchmark --quiet with rev-parse?
> >
> > It is not benchmarking, but it is a faster solution: you can see if two
> > trees are different by comparing their SHA-1s.
>
> Can the same be done for index? (index-tree comparison)
Theoretically, yes. Only that Junio did not accept my short-cut ":dir/"
notation to mean "take the cache-tree from the index, or if it is dirty,
construct it". However, in the latter case, it would not be a speed
improvement, but the opposite.
> > (That, however, works only if you do not want something like "git diff
> > -w"...)
>
> Why? Can't "git diff -w" quit early?
No, but "-w" means "ignore white space", which means that blobs can be
deemed equal, even if they differ at the byte-per-byte level.
Ciao,
Dscho
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