From b6a26aa732511ee5644c714df25b4139082cb029 Mon Sep 17 00:00:00 2001
From: Dmitry Jemerov <yole@jetbrains.com>
Date: Fri, 31 Mar 2017 13:18:41 +0200
Subject: [PATCH] Don't delete config and system directories when updating IDEA

---
 update_dependencies.xml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/update_dependencies.xml b/update_dependencies.xml
index 41a04939a99..19b187eb021 100644
--- a/update_dependencies.xml
+++ b/update_dependencies.xml
@@ -490,7 +490,11 @@
             <sequential unless:set="idea.already.downloaded">
                 <echo message="IDEA build id: ${execute.build.id}, previous build id: ${dependencies.info.prev.idea.build.id}"/>
 
-                <delete dir="${idea.dir}" unless:set="edition.matched"/>
+                <delete dir="${idea.dir}" unless:set="edition.matched">
+                    <exclude name="config-idea/**"/>
+                    <exclude name="system-idea/**"/>
+                </delete>
+
                 <download_and_update_idea idea.maven.version="@{idea.maven.version}" base.repository.url="@{base.url}"/>
 
                 <propertyfile file="${dependencies.info.file}">