Is it feasible to include the git revision hash in the nix build output?

[r-k-b]

Without including a heap of cruft in the .git folder in src =.... ?

9f93856#diff-c68b109cf06c244bf814facb74f137e386f6acc787a04f8f0570f3149f0bbd6fR8

[r-k-b]

yeah it was (with self.rev etc), but using that causes builds to be uncacheable across commits :(

dropped including the hash, in 495b820