+ moomin = let
+ lines = lib.splitString "\n" (lib.fileContents ./moomin.txt);
+ pad = width: str: let
+ padWidth = width - lib.stringLength str;
+ padding = lib.concatStrings (lib.genList (lib.const "0") padWidth);
+ in lib.optionalString (padWidth > 0) padding + str;
+ in
+ lib.imap0 (i: e: ''Header always set "X-Moomin-${pad 2 (builtins.toString i)}" "${e}"'') lines;