From cba3951a08181b25bb968807182bf1a10bb4d527 Mon Sep 17 00:00:00 2001
From: Roman Shevchenko <roman.shevchenko@jetbrains.com>
Date: Wed, 8 May 2013 10:45:42 +0200
Subject: [PATCH] Don't corrupt IDEA installation if update task has failed
 (better test on Windows)

---
 build/update.cmd | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build/update.cmd b/build/update.cmd
index a949f103ac79..74b499573283 100644
--- a/build/update.cmd
+++ b/build/update.cmd
@@ -31,7 +31,7 @@ CD %DEV_IDEA_HOME%
 SET ANT_HOME=%DEV_IDEA_HOME%\lib\ant
 SET EXEC_ANT="%JAVA_HOME%\bin\java.exe" -Dant.home=%ANT_HOME% -classpath "%ANT_HOME%\lib\ant-launcher.jar" org.apache.tools.ant.launch.Launcher
 CALL %EXEC_ANT% -f build/update.xml %*
-IF errorlevel 1 GOTO failed
+IF NOT ERRORLEVEL 0 GOTO failed
 
 DEL /Q /S %WORK_IDEA_HOME%\lib
 DEL /Q /S %WORK_IDEA_HOME%\plugins