From ed24b53783f84be1da3351c4745a75860959482e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20N=C3=BCcke?= <florian@nuecke.de>
Date: Sun, 5 Apr 2015 19:06:55 +0200
Subject: [PATCH] Cleaning up old native libs when not using the tmp dir.

---
 .../scala/li/cil/oc/util/LuaStateFactory.scala   | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/main/scala/li/cil/oc/util/LuaStateFactory.scala b/src/main/scala/li/cil/oc/util/LuaStateFactory.scala
index 3bb7ef11b..d05a218a0 100644
--- a/src/main/scala/li/cil/oc/util/LuaStateFactory.scala
+++ b/src/main/scala/li/cil/oc/util/LuaStateFactory.scala
@@ -4,8 +4,10 @@ import java.io.File
 import java.io.FileInputStream
 import java.io.FileOutputStream
 import java.nio.channels.Channels
+import java.util.regex.Pattern
 
 import com.google.common.base.Strings
+import com.google.common.io.PatternFilenameFilter
 import li.cil.oc.OpenComputers
 import li.cil.oc.Settings
 import li.cil.oc.server.machine.Machine
@@ -105,9 +107,21 @@ object LuaStateFactory {
       else if (path.endsWith("/") || path.endsWith("\\")) path
       else path + "/"
     }
-    else ""
+    else "./"
     val tmpLibFile = new File(tmpBasePath + tmpLibName)
 
+    // Clean up old library files when not in tmp dir.
+    if (!Settings.get.nativeInTmpDir) {
+      val libDir = new File(tmpBasePath)
+      if (libDir.isDirectory) {
+        for (file <- libDir.listFiles(new PatternFilenameFilter("^" + Pattern.quote("OpenComputersMod-") + ".*" + Pattern.quote("-" + libraryName) + "$"))) {
+          if (file.compareTo(tmpLibFile) != 0) {
+            file.delete()
+          }
+        }
+      }
+    }
+
     // If the file, already exists, make sure it's the same we need, if it's
     // not disable use of the natives.
     if (tmpLibFile.exists()) {