From 3be1de230c13ad0f77550933a2a56b5eb5568860 Mon Sep 17 00:00:00 2001
From: Jakub Vesely <jakub.vesely2@gmail.com>
Date: Sat, 21 Oct 2023 15:59:24 +0200
Subject: [PATCH] Installers: Fix Steam library manifest parsing. Fixes #21129

---
 .../Installer/SourceResolvers/SteamSourceResolver.cs       | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/OpenRA.Mods.Common/Installer/SourceResolvers/SteamSourceResolver.cs b/OpenRA.Mods.Common/Installer/SourceResolvers/SteamSourceResolver.cs
index a2d1e85968..56de4f01ab 100644
--- a/OpenRA.Mods.Common/Installer/SourceResolvers/SteamSourceResolver.cs
+++ b/OpenRA.Mods.Common/Installer/SourceResolvers/SteamSourceResolver.cs
@@ -109,10 +109,15 @@ namespace OpenRA.Mods.Common.Installer
 					continue;
 
 				foreach (var e in ParseLibraryManifest(libraryFoldersPath).Where(e => e.Item1 == "path"))
-					yield return e.Item2;
+					yield return Unescape(e.Item2);
 			}
 		}
 
+		static string Unescape(string path)
+		{
+			return path.Replace(@"\\", @"\");
+		}
+
 		static Dictionary<string, string> ParseGameManifest(string path)
 		{
 			var regex = new Regex("^\\s*\"(?<key>[^\"]*)\"\\s*\"(?<value>[^\"]*)\"\\s*$");