improve creation of git repositories

plugins/scm-git-plugin/src/main/java/sonia/scm/repository/GitRepositoryHandler.java

@@ -9,11 +9,13 @@ package sonia.scm.repository;
 
 //~--- non-JDK imports --------------------------------------------------------
 
+import sonia.scm.io.CommandResult;
 import sonia.scm.io.ExtendedCommand;
 
 //~--- JDK imports ------------------------------------------------------------
 
 import java.io.File;
+import java.io.IOException;
 
 /**
  *
@@ -66,6 +68,38 @@ public class GitRepositoryHandler
                                directory.getPath());
   }
 
+  /**
+   * Method description
+   *
+   *
+   * @param repository
+   * @param directory
+   *
+   * @throws IOException
+   * @throws RepositoryException
+   */
+  @Override
+  protected void postCreate(Repository repository, File directory)
+          throws IOException, RepositoryException
+  {
+    ExtendedCommand command = new ExtendedCommand(config.getGitBinary(),
+                                "update-server-info");
+
+    command.setWorkDirectory(directory);
+
+    CommandResult result = command.execute();
+
+    if (!result.isSuccessfull())
+    {
+      StringBuilder msg = new StringBuilder("command exit with error ");
+
+      msg.append(result.getReturnCode()).append(" and message: '");
+      msg.append(result.getOutput()).append("'");
+
+      throw new RepositoryException(msg.toString());
+    }
+  }
+
   //~--- get methods ----------------------------------------------------------
 
   /**

scm-core/src/main/java/sonia/scm/util/Util.java

@@ -142,6 +142,21 @@ public class Util
     return formatDate(date, null);
   }
 
+  /**
+   * Method description
+   *
+   *
+   * @param value
+   *
+   * @return
+   */
+  public static String nonNull(String value)
+  {
+    return (value != null)
+           ? value
+           : "";
+  }
+
   /**
    * Method description
    *