On Fri, Feb 24, 2017 at 04:42:38PM +0700, Duy Nguyen wrote:
> On Thu, Feb 23, 2017 at 11:43 PM, Joey Hess <id@joeyh.name> wrote:
> > IIRC someone has been working on parameterizing git's SHA1 assumptions
> > so a repository could eventually use a more secure hash. How far has
> > that gotten? There are still many "40" constants in git.git HEAD.
> 
> Michael asked Brian (that "someone") the other day and he replied [1]
> 
> >> I'm curious; what fraction of the overall convert-to-object_id campaign
> >> do you estimate is done so far? Are you getting close to the promised
> >> land yet?
> >
> > So I think that the current scope left is best estimated by the
> > following command:
> >
> >   git grep -P 'unsigned char\s+(\*|.*20)' | grep -v '^Documentation'
> >
> > So there are approximately 1200 call sites left, which is quite a bit of
> > work.  I estimate between the work I've done and other people's
> > refactoring work (such as the refs backend refactor), we're about 40%
> > done.

As a note, I've been working on this pretty much nonstop since the
collision announcement was made.  After another 27 commits, I've got it
down from 1244 to 1119.

I plan to send another series out sometime after the existing series has
hit next.  People who are interested can follow the object-id-part*
branches at https://github.com/bk2204/git.
-- 
brian m. carlson / brian with sandals: Houston, Texas, US
+1 832 623 2791 | https://www.crustytoothpaste.net/~bmc | My opinion only
OpenPGP: https://keybase.io/bk2204