The server list no longer renders a bogus server entry in case no

monotone server has been configured yet in the connected usher instance.
Also display a short info text if the server or connection list for
a running monotone server is empty.

src/IDF/Scm/Monotone/Usher.php

@@ -48,7 +48,7 @@ class IDF_Scm_Monotone_Usher
         if ($conn == 'none')
             return array();
 
-        return preg_split('/[ ]/', $conn);
+        return preg_split('/[ ]/', $conn, -1, PREG_SPLIT_NO_EMPTY);
     }
 
     /**
@@ -73,7 +73,7 @@ class IDF_Scm_Monotone_Usher
         if ($conn == 'none')
             return array();
 
-        $single_conns = preg_split('/[ ]/', $conn);
+        $single_conns = preg_split('/[ ]/', $conn, -1, PREG_SPLIT_NO_EMPTY);
         $ret = array();
         foreach ($single_conns as $conn) {
             preg_match('/\((\w+)\)([^:]+):(\d+)/', $conn, $matches);

src/IDF/templates/idf/gadmin/usher/connections.html

@@ -8,12 +8,18 @@
     <th>{trans "address"}</th>
     <th>{trans "port"}</th>
 </tr>
+{if count($connections) == 0}
+<tr>
+    <td colspan="2" align="center">{trans 'No connections found.'}</td>
+</tr>
+{else}
 {foreach $connections as $connection}
 <tr>
     <td>{$connection.address}</td>
     <td>{$connection.port}</td>
 </tr>
 {/foreach}
+{/if}
 </table>
 {/block}
 

src/IDF/templates/idf/gadmin/usher/index.html

@@ -9,6 +9,11 @@
     <th>{trans "status"}</th>
     <th>{trans "action"}</th>
 </tr>
+{if count($servers) == 0}
+<tr>
+    <td colspan="3" align="center">{trans 'No monotone servers configured.'}</td>
+</tr>
+{else}
 {foreach $servers as $server}
 <tr>
     <td>{$server.name}</td>
@@ -31,6 +36,7 @@
         {/if}
 </tr>
 {/foreach}
+{/if}
 </table>
 {/block}