Add ability for sub commands to have special privs

mods/MISC/mcl_commands/init.lua

@@ -67,10 +67,9 @@ function mcl_commands.build(func)
 	local cmd = {
 		_subs = {}
 	}
-	function cmd:sub(route, func, def)
+	function cmd:sub(route, def)
 		dprint("Parsing " .. route)
 
-		def = def or {}
 		if string.trim then
 			route = string.trim(route)
 		end
@@ -78,7 +77,8 @@ function mcl_commands.build(func)
 		local sub = {
 			pattern = "^",
 			params = {},
-			func = func
+			func = def.func,
+			privs = def.privs or {}
 		}
 
 		-- End of param reached: add it to the pattern
@@ -206,12 +206,17 @@ function mcl_commands.build(func)
 						pointer = pointer + 1
 					end
 				end
-				if table.unpack then
-					-- lua 5.2 or later
-					return sub.func(table.unpack(params))
+				local can_execute, missing_privs = minetest.check_player_privs(name, sub.privs)
+				if minetest.check_player_privs(name, sub.privs) then
+					if table.unpack then
+						-- lua 5.2 or later
+						return sub.func(table.unpack(params))
+					else
+						-- lua 5.1 or earlier
+						return sub.func(unpack(params))
+					end
 				else
-					-- lua 5.1 or earlier
-					return sub.func(unpack(params))
+					return false, "You haven't the required privilege. Missing privs: "..minetest.serialize(missing_privs)
 				end
 			end
 		end
@@ -230,6 +235,6 @@ dofile(modpath.."/summon.lua")
 dofile(modpath.."/say.lua")
 dofile(modpath.."/list.lua")
 dofile(modpath.."/sound.lua")
-dofile(modpath.."/title.lua")
+--dofile(modpath.."/title.lua")
 
 dofile(modpath.."/alias.lua")

mods/MISC/mcl_commands/kill.lua

@@ -42,10 +42,17 @@ local function handle_kill_command(suspect, victim)
 end
 
 mcl_commands.overide_command("kill", function(cmd)
-	cmd:sub("", function(name)
-		return handle_kill_command(name, name)
-	end)
-	cmd:sub(":target:username", function(name, target)
-		return handle_kill_command(name, target)
-	end)
-end)
+	cmd:sub("", {
+		func = function(name)
+			return handle_kill_command(name, name)
+		end,
+	})
+	cmd:sub(":target:username", {
+		func = function(name, target)
+			return handle_kill_command(name, target)
+		end,
+		privs = {settime = true}
+	})
+end, {
+	privs = {server = true},
+})