# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1526831468 -7200
# Node ID 7878dc2dbf5985f75f9176c33f1953e719e4955a
# Parent  ded630a8756368a9427e046371ac63a842e02eda
mod_pastebin: Avoid using pattern matching facilities for simple prefix removal

diff -r ded630a87563 -r 7878dc2dbf59 mod_pastebin/mod_pastebin.lua
--- a/mod_pastebin/mod_pastebin.lua	Sun May 20 17:49:00 2018 +0200
+++ b/mod_pastebin/mod_pastebin.lua	Sun May 20 17:51:08 2018 +0200
@@ -113,8 +113,8 @@
 		(trigger_string and body:find(trigger_string, 1, true) == 1) or
 		(select(2, body:gsub("\n", "%0")) >= line_threshold)
 	) then
-		if trigger_string then
-			body = body:gsub("^" .. trigger_string, "", 1);
+		if trigger_string and body:sub(1, #trigger_string) == trigger_string then
+			body = body:sub(#trigger_string+1);
 		end
 		local url = pastebin_text(body);
 		module:log("debug", "Pasted message as %s", url);