error:
       … while evaluating a branch condition
         at «string»:23:10:
           22|     if !keepName n then {}
           23|     else if !builtins.isAttrs c || isDrv c then c
             |          ^
           24|     else if c ? _type || !(c.recurseForDerivations or true) then {}

       … in the left operand of the OR (||) operator
         at «string»:23:33:
           22|     if !keepName n then {}
           23|     else if !builtins.isAttrs c || isDrv c then c
             |                                 ^
           24|     else if c ? _type || !(c.recurseForDerivations or true) then {}

       … while evaluating definitions from `/nix/store/lrxvs4l9bqbgjfz7w9bkfg5zqq442jxc-source/modules/transposition.nix':

       … while evaluating definitions from `/nix/store/wbbpmyv387xqysv79nz6cp85k7bflyz4-source/checks/nixos-documentation/flake-module.nix, via option perSystem':

       … while evaluating definitions from `/nix/store/wbbpmyv387xqysv79nz6cp85k7bflyz4-source/modules/clan/module.nix':

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: Flake does not have 'input' named 'nixpkgs'