added auto configuration button to mercurial config panel

plugins/scm-hg-plugin/src/main/java/sonia/scm/api/rest/resources/HgConfigResource.java

@@ -78,6 +78,27 @@ public class HgConfigResource
     this.handler = handler;
   }
 
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param uriInfo
+   *
+   * @return
+   */
+  @POST
+  @Path("auto-configuration")
+  @Consumes({ MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON })
+  public HgConfig autoConfiguration(@Context UriInfo uriInfo)
+  {
+    handler.setConfig(null);
+    handler.doAutoConfiguration();
+
+    return handler.getConfig();
+  }
+
   //~--- get methods ----------------------------------------------------------
 
   /**

plugins/scm-hg-plugin/src/main/java/sonia/scm/repository/HgRepositoryHandler.java

@@ -101,11 +101,8 @@ public class HgRepositoryHandler
    * Method description
    *
    */
-  @Override
-  public void loadConfig()
+  public void doAutoConfiguration()
   {
-    super.loadConfig();
-
     HgInstaller installer = null;
 
     if (SystemUtil.isWindows())
@@ -163,6 +160,17 @@ public class HgRepositoryHandler
     storeConfig();
   }
 
+  /**
+   * Method description
+   *
+   */
+  @Override
+  public void loadConfig()
+  {
+    super.loadConfig();
+    doAutoConfiguration();
+  }
+
   //~--- get methods ----------------------------------------------------------
 
   /**

plugins/scm-hg-plugin/src/main/resources/sonia/scm/hg.config.js

@@ -30,6 +30,7 @@
  */
 
 registerConfigPanel({
+  id: 'hgConfigForm',
   xtype : 'configForm',
   title : 'Mercurial Settings',
   items : [{
@@ -56,6 +57,14 @@ registerConfigPanel({
     name: 'useOptimizedBytecode',
     fieldLabel: 'Optimized Bytecode (.pyo)',
     inputValue: 'true'
+  },{
+    xtype: 'button',
+    text: 'Load Auto-Configuration',
+    fieldLabel: 'Auto-Configuration',
+    handler: function(){
+      var self = Ext.getCmp('hgConfigForm');
+      self.loadConfig( self.el, 'config/repositories/hg/auto-configuration.json', 'POST' );
+    }
   }],
 
   onSubmit: function(values){
@@ -76,10 +85,14 @@ registerConfigPanel({
   },
 
   onLoad: function(el){
+    this.loadConfig(el, 'config/repositories/hg.json', 'GET');
+  },
+
+  loadConfig: function(el, url, method){
     var tid = setTimeout( function(){ el.mask('Loading ...'); }, 100);
     Ext.Ajax.request({
-      url: restUrl + 'config/repositories/hg.json',
-      method: 'GET',
+      url: restUrl + url,
+      method: method,
       scope: this,
       disableCaching: true,
       success: function(response){