From e4f3f6d93a8720dd70734e96ef1a8ba93672f4e4 Mon Sep 17 00:00:00 2001
From: Mikhail Mazurkevich <mikhail.mazurkevich@jetbrains.com>
Date: Fri, 24 Jul 2020 13:38:33 +0300
Subject: [PATCH] [jps cache] Forcibly cleanup compilation output folder at
 `Force Update JPS Caches`

GitOrigin-RevId: 91c92c344e15d44b63d7616a0fef5390b952f581
---
 plugins/jps-cache/resources/META-INF/plugin.xml       |  2 +-
 .../jps/cache/loader/JpsOutputLoaderManager.java      | 11 ++++++++++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/plugins/jps-cache/resources/META-INF/plugin.xml b/plugins/jps-cache/resources/META-INF/plugin.xml
index 2548d4831827..ea190f1cd297 100644
--- a/plugins/jps-cache/resources/META-INF/plugin.xml
+++ b/plugins/jps-cache/resources/META-INF/plugin.xml
@@ -38,7 +38,7 @@
     <action id="JpsUpdateCachesAction" class="com.intellij.jps.cache.action.JpsUpdateCachesAction" text="Update JPS Caches">
       <add-to-group group-id="BuildMenu" anchor="last"/>
     </action>
-    <action id="JpsForceUpdateCachesAction" class="com.intellij.jps.cache.action.JpsForceUpdateCachesAction" text="Force Update JPS Caches" internal="true">
+    <action id="JpsForceUpdateCachesAction" class="com.intellij.jps.cache.action.JpsForceUpdateCachesAction" text="Force Update JPS Caches">
       <add-to-group group-id="BuildMenu" anchor="last"/>
     </action>
   </actions>
diff --git a/plugins/jps-cache/src/com/intellij/jps/cache/loader/JpsOutputLoaderManager.java b/plugins/jps-cache/src/com/intellij/jps/cache/loader/JpsOutputLoaderManager.java
index 6bc6d9fa866e..2b446499e736 100644
--- a/plugins/jps-cache/src/com/intellij/jps/cache/loader/JpsOutputLoaderManager.java
+++ b/plugins/jps-cache/src/com/intellij/jps/cache/loader/JpsOutputLoaderManager.java
@@ -37,6 +37,7 @@ import org.jetbrains.jps.model.serialization.JpsLoaderBase;
 import org.jetbrains.jps.model.serialization.PathMacroUtil;
 import org.jetbrains.jps.util.JpsPathUtil;
 
+import java.io.File;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.*;
@@ -90,7 +91,15 @@ public class JpsOutputLoaderManager implements Disposable {
         Pair<String, Integer> commitInfo = getNearestCommit(isForceUpdate);
         if (commitInfo != null) {
           // Drop JPS metadata to force plugin for downloading all compilation outputs
-          if (isForceUpdate) myMetadataLoader.dropCurrentProjectMetadata();
+          if (isForceUpdate) {
+            myMetadataLoader.dropCurrentProjectMetadata();
+            File outDir = new File(myBuildOutDir);
+            if (outDir.exists()) {
+              indicator.setText("Clean output directories");
+              FileUtil.delete(outDir);
+            }
+            LOG.info("Compilation output folder empty");
+          }
           startLoadingForCommit(commitInfo.first);
         }
         hasRunningTask.set(false);