FYI: standardisation of Change IDs in the Git ecosystem

[shish]

Not sure if y'all're aware, but as a git-compatible version control system with heavy emphasis on stacked diffs, this seems relevant to Sapling's goals :)

https://lore.kernel.org/git/CAESOdVAspxUJKGAA58i0tvks4ZOfoGf1Aa5gPr0FXzdcywqUUw@mail.gmail.com/T/#u

(I have no specific request here, just wanted to make the sapling team aware so that y'all can decide if you want to join in or not, and couldn't think of a better way than a github issue)