From 20df36755a72359385d18bc92c0e32a418f1eef2 Mon Sep 17 00:00:00 2001
From: Roman Shevchenko <roman.shevchenko@jetbrains.com>
Date: Mon, 14 Aug 2017 15:38:24 +0200
Subject: [PATCH] [platform] logs usages of a plugin repository cache
 (IDEA-172407)

---
 .../src/com/intellij/ide/plugins/RepositoryHelper.java          | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/platform/platform-impl/src/com/intellij/ide/plugins/RepositoryHelper.java b/platform/platform-impl/src/com/intellij/ide/plugins/RepositoryHelper.java
index e1b589637ade..43bac9713fad 100644
--- a/platform/platform-impl/src/com/intellij/ide/plugins/RepositoryHelper.java
+++ b/platform/platform-impl/src/com/intellij/ide/plugins/RepositoryHelper.java
@@ -29,6 +29,7 @@ import com.intellij.openapi.vfs.CharsetToolkit;
 import com.intellij.util.containers.ContainerUtil;
 import com.intellij.util.io.HttpRequests;
 import com.intellij.util.io.URLUtil;
+import com.intellij.util.text.DateFormatUtil;
 import org.apache.http.client.utils.URIBuilder;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -155,6 +156,7 @@ public class RepositoryHelper {
             pluginListFile.length() > 0 &&
             connection instanceof HttpURLConnection &&
             ((HttpURLConnection)connection).getResponseCode() == HttpURLConnection.HTTP_NOT_MODIFIED) {
+          LOG.info("using cached plugin list (updated at " + DateFormatUtil.formatDateTime(pluginListFile.lastModified()) + ")");
           return loadPluginList(pluginListFile);
         }