make plugin repository url configurable

scm-webapp/src/main/java/sonia/scm/api/rest/resources/ConfigurationResource.java

@@ -41,6 +41,7 @@ import com.google.inject.Singleton;
 
 import sonia.scm.SCMContext;
 import sonia.scm.config.ScmConfiguration;
+import sonia.scm.plugin.PluginManager;
 import sonia.scm.util.IOUtil;
 import sonia.scm.util.SecurityUtil;
 import sonia.scm.web.security.WebSecurityContext;
@@ -76,14 +77,16 @@ public class ConfigurationResource
    *
    * @param configuration
    * @param securityContextProvider
+   * @param pluginManager
    */
   @Inject
   public ConfigurationResource(
-          ScmConfiguration configuration,
-          Provider<WebSecurityContext> securityContextProvider)
+          Provider<WebSecurityContext> securityContextProvider,
+          ScmConfiguration configuration, PluginManager pluginManager)
   {
-    this.configuration = configuration;
     this.securityContextProvider = securityContextProvider;
+    this.configuration = configuration;
+    this.pluginManager = pluginManager;
   }
 
   //~--- get methods ----------------------------------------------------------
@@ -118,6 +121,12 @@ public class ConfigurationResource
                             ScmConfiguration newConfig)
   {
     SecurityUtil.assertIsAdmin(securityContextProvider);
+
+    if (!configuration.getPluginUrl().equals(newConfig.getPluginUrl()))
+    {
+      pluginManager.clearCache();
+    }
+
     configuration.load(newConfig);
 
     synchronized (ScmConfiguration.class)
@@ -141,6 +150,9 @@ public class ConfigurationResource
   /** Field description */
   public ScmConfiguration configuration;
 
+  /** Field description */
+  private PluginManager pluginManager;
+
   /** Field description */
   private Provider<WebSecurityContext> securityContextProvider;
 }