From be698baf4b4519eb43b5494be23a04703a550c9a Mon Sep 17 00:00:00 2001
From: Julien HENRY <julien.henry@sonarsource.com>
Date: Fri, 21 Mar 2014 15:41:16 +0100
Subject: SONAR-5011 Allow to install two plugins sharing the same dependency

---
 .../org/sonar/server/plugins/PluginDownloader.java |  9 +++---
 .../sonar/server/plugins/PluginDownloaderTest.java | 34 +++++++++++++++++++++-
 2 files changed, 38 insertions(+), 5 deletions(-)

(limited to 'sonar-server')

diff --git a/sonar-server/src/main/java/org/sonar/server/plugins/PluginDownloader.java b/sonar-server/src/main/java/org/sonar/server/plugins/PluginDownloader.java
index 71ea2d05e96..0263c928fcf 100644
--- a/sonar-server/src/main/java/org/sonar/server/plugins/PluginDownloader.java
+++ b/sonar-server/src/main/java/org/sonar/server/plugins/PluginDownloader.java
@@ -49,7 +49,7 @@ public class PluginDownloader implements Startable {
   private final File downloadDir;
 
   public PluginDownloader(UpdateCenterMatrixFactory updateCenterMatrixFactory, HttpDownloader downloader,
-                          DefaultServerFileSystem fileSystem) {
+    DefaultServerFileSystem fileSystem) {
     this.updateCenterMatrixFactory = updateCenterMatrixFactory;
     this.downloader = downloader;
     this.downloadDir = fileSystem.getDownloadedPluginsDir();
@@ -64,7 +64,7 @@ public class PluginDownloader implements Startable {
   public void start() {
     try {
       FileUtils.forceMkdir(downloadDir);
-      Collection<File> tempFiles = FileUtils.listFiles(downloadDir, new String[]{TMP_SUFFIX}, false);
+      Collection<File> tempFiles = FileUtils.listFiles(downloadDir, new String[] {TMP_SUFFIX}, false);
       for (File tempFile : tempFiles) {
         FileUtils.deleteQuietly(tempFile);
       }
@@ -95,7 +95,7 @@ public class PluginDownloader implements Startable {
 
   public List<String> getDownloads() {
     List<String> names = new ArrayList<String>();
-    List<File> files = (List<File>) FileUtils.listFiles(downloadDir, new String[]{PLUGIN_EXTENSION}, false);
+    List<File> files = (List<File>) FileUtils.listFiles(downloadDir, new String[] {PLUGIN_EXTENSION}, false);
     for (File file : files) {
       names.add(file.getName());
     }
@@ -132,7 +132,8 @@ public class PluginDownloader implements Startable {
       File targetFile = new File(downloadDir, filename);
       File tempFile = new File(downloadDir, filename + "." + TMP_SUFFIX);
       downloader.download(uri, tempFile);
-      FileUtils.moveFile(tempFile, targetFile);
+      FileUtils.copyFile(tempFile, targetFile);
+      FileUtils.deleteQuietly(tempFile);
     }
   }
 }
diff --git a/sonar-server/src/test/java/org/sonar/server/plugins/PluginDownloaderTest.java b/sonar-server/src/test/java/org/sonar/server/plugins/PluginDownloaderTest.java
index 16dbd269f4e..093d54c07d5 100644
--- a/sonar-server/src/test/java/org/sonar/server/plugins/PluginDownloaderTest.java
+++ b/sonar-server/src/test/java/org/sonar/server/plugins/PluginDownloaderTest.java
@@ -46,7 +46,12 @@ import static org.fest.assertions.Fail.fail;
 import static org.mockito.Matchers.any;
 import static org.mockito.Matchers.anyBoolean;
 import static org.mockito.Matchers.argThat;
-import static org.mockito.Mockito.*;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
 
 public class PluginDownloaderTest {
 
@@ -230,6 +235,33 @@ public class PluginDownloaderTest {
     assertThat(pluginDownloader.hasDownloads()).isFalse();
   }
 
+  // SONAR-5011
+  @Test
+  public void download_common_transitive_dependency() throws Exception {
+    Plugin test1 = new Plugin("test1");
+    Release test1R = new Release(test1, "1.0").setDownloadUrl("http://server/test1-1.0.jar");
+    test1.addRelease(test1R);
+
+    Plugin test2 = new Plugin("test2");
+    Release test2R = new Release(test2, "1.0").setDownloadUrl("http://server/test2-1.0.jar");
+    test2.addRelease(test2R);
+
+    Plugin testDep = new Plugin("testdep");
+    Release testDepR = new Release(testDep, "1.0").setDownloadUrl("http://server/testdep-1.0.jar");
+    testDep.addRelease(testDepR);
+
+    when(updateCenter.findInstallablePlugins("test1", Version.create("1.0"))).thenReturn(newArrayList(test1R, testDepR));
+    when(updateCenter.findInstallablePlugins("test2", Version.create("1.0"))).thenReturn(newArrayList(test2R, testDepR));
+
+    pluginDownloader.start();
+    pluginDownloader.download("test1", Version.create("1.0"));
+    pluginDownloader.download("test2", Version.create("1.0"));
+
+    assertThat(new File(downloadDir, "test1-1.0.jar")).exists();
+    assertThat(new File(downloadDir, "test2-1.0.jar")).exists();
+    assertThat(new File(downloadDir, "testdep-1.0.jar")).exists();
+  }
+
   class HasFileName extends ArgumentMatcher<File> {
     private final String name;
 
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