iteration

lib/auth.lua

@@ -49,6 +49,23 @@ function check_user_group(username, group)
     end
 end
 
+function trueKeysToString(tbl)
+    local result = ""
+    local first = true
+
+    for key, value in pairs(tbl) do
+        if value == true then
+            if not first then
+                result = result .. ", "
+            else
+                first = false
+            end
+            result = result .. key
+        end
+    end
+
+    return result
+end
 
 function list_to_string(list)
     local str = ""

packages/auth.lua

@@ -101,7 +101,7 @@ elseif action == "group" then
 
     if subaction == "list" then
         local result = auth.list_user_groups(settings.get("auth.username"))
-        io.write("Groups: " .. auth.list_to_string(result) .. "\n")
+        io.write("Groups: " .. auth.trueKeysToString(result) .. "\n")
     elseif subaction == "add" then
         local target_user = args[3]
         local group = args[4]