nixbot

nix --option failed with exit code 1:
error: undefined variable 'pkgs'
       at /var/lib/nixbot/worktrees/129097-e37c005a5678-3/flake.nix:278:29:
          277|                 # Deliberately broken input: the PR build must go red.
          278|                 inputs = [ (pkgs.runCommand "broken-input" { } "exit 1") ];
             |                             ^
          279|                 effectScript = ''