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//multi: gracefully handle empty invocations; ensure args is always set

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if it isn't found via the :find() call, then set it to an empty string.
This prevents crashes where the callee expects to be passed a string
This commit is contained in:
Starbeamrainbowlabs 2021-03-11 02:04:22 +00:00
parent 587d430e48
commit 48619163d5
Signed by: sbrl
GPG key ID: 1BE5172E637709C2
1 changed files with 7 additions and 2 deletions
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9
worldeditadditions_commands/commands/meta/multi.lua
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@ -36,6 +36,10 @@ minetest.register_chatcommand("/multi", {
description = "Executes multiple chat commands in sequence. Just prepend a list of space-separated chat commands with //multi, and you're good to go! The forward slashes at the beginning of each chat command must be the same as if you were executing it normally.",
privs = { worldedit = true },
func = function(name, params_text)
if not params_text then return false, "Error: No commands specified, so there's nothing to do." end
params_text = worldeditadditions.trim(params_text)
if #params_text == 0 then return false, "Error: No commands specified, so there's nothing to do." end
local i = 1 -- For feedback only
local master_start_time = worldeditadditions.get_ms_time()
@ -47,6 +51,7 @@ minetest.register_chatcommand("/multi", {
local found, _, command_name, args = command:find("^([^%s]+)%s(.+)$")
if not found then command_name = command end
command_name = trim(command_name)
if not args then args = "" end
worldedit.player_notify(name, "#"..i..": /"..command)
@ -55,9 +60,9 @@ minetest.register_chatcommand("/multi", {
return false, "Error: "..command_name.." isn't a valid command."
end
if not minetest.check_player_privs(name, cmd.privs) then
return false, "Your privileges are insufficient to execute one or more commands in that list."
return false, "Your privileges are insufficient to execute /"..command_name..". Abort."
end
-- print("[DEBUG] command_name", command_name, "cmd", dump2(cmd))
minetest.log("action", name.." runs "..command)
cmd.func(name, args)