From 642251b2dd2790105d2eacaccdb17519d61ed02c Mon Sep 17 00:00:00 2001
From: arch1t3cht <arch1t3cht@gmail.com>
Date: Thu, 26 Jan 2023 20:52:20 +0100
Subject: [PATCH] Deduplicate automation autoload path

Fixes TypesettingTools/Aegisub#168
Fixes arch1t3cht/Aegisub#15
---
 src/auto4_base.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/auto4_base.cpp b/src/auto4_base.cpp
index 388e1fa3d..e3a796f73 100644
--- a/src/auto4_base.cpp
+++ b/src/auto4_base.cpp
@@ -322,7 +322,8 @@ namespace Automation4 {
 
 		std::vector<std::future<std::unique_ptr<Script>>> script_futures;
 
-		for (auto tok : agi::Split(path, '|')) {
+		auto path_it = agi::Split(path, '|');
+		for (auto tok : std::set<agi::StringRange>(begin(path_it), end(path_it))) {
 			auto dirname = config::path->Decode(agi::str(tok));
 			if (!agi::fs::DirectoryExists(dirname)) continue;