Joe Perches <joe@xxxxxxxxxxx> wrote: > Umm, no, that's not correct. > SHA-1 lengths of 12 are unique for quite awhile yet. > > https://blog.cuviper.com/2013/11/10/how-short-can-git-abbreviate/ The article says: 1.9% at 12 which is for 3253824 objects (I get 1.86%). However, that was three years ago, and we now have over five million objects, so the collision possibility is 4.5% now. If we add another 2 million over the next three years, then the probability will be over 8% then. I've attached my spreadsheet for you to have a look at. > No. Use --format=email as appropriate instead. Fix checkpatch. This is an entirely reasonable supposition. David
Attachment:
birthday-problem.ods
Description: application/vnd.oasis.opendocument.spreadsheet
