Oops, I accidentially triggered rebuild of almost 3000 packages, which is quite wasteful and not very eco friendly:
https://ci.guix.gnu.org/eval/182993
There is an explanation of why it happened and some thoughts on how to avoid it in the future:
https://yhetil.org/guix-devel/87cz6g5t87.fsf@cbaines.net/T/#u
At the same time we are one step closer to supporting tree-sitter in Guix' Emacs.
The feeling is not too distant from accidentally tlmgr update --all for Tex Live. 😂