{ pkgs ? import { } }: let tools = pkgs.callPackage ./tools.nix {}; sourceFile = ../vendor/nimbus-build-system/vendor/Nim/koch.nim; in pkgs.fetchFromGitHub { owner = "nim-lang"; repo = "sat"; rev = tools.findKeyValue "^ +SatStableCommit = \"([a-f0-9]+)\"$" sourceFile; # WARNING: Requires manual updates when Nim compiler version changes. hash = "sha256-JFrrSV+mehG0gP7NiQ8hYthL0cjh44HNbXfuxQNhq7c="; }