
- Unify the hashing code for repository and user avatars into a function. - Use a sane hash function instead of MD5. - Only require hashing once instead of twice(w.r.t. hashing for user avatar). - Improve the comment for the hashing code of why it works. Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com> Co-authored-by: Yarden Shoham <hrsi88@gmail.com>