rough support of submodules

Author: alexandresalome

src/Gitonomy/Git/Parser/TreeParser.php

@@ -23,7 +23,7 @@ protected function doParse()
             $mode = $vars[0];
             $this->consume(' ');
 
-            $vars = $this->consumeRegexp('/(blob|tree)/A');
+            $vars = $this->consumeRegexp('/(blob|tree|commit)/A');
             $type = $vars[0];
             $this->consume(' ');
 

src/Gitonomy/Git/Tree.php

@@ -12,6 +12,7 @@
 
 namespace Gitonomy\Git;
 
+use Gitonomy\Git\CommitReference;
 use Gitonomy\Git\Exception\InvalidArgumentException;
 use Gitonomy\Git\Exception\UnexpectedValueException;
 
@@ -52,8 +53,10 @@ protected function initialize()
             list($mode, $type, $hash, $name) = $entry;
             if ($type == 'blob') {
                 $this->entries[$name] = array($mode, $this->repository->getBlob($hash));
-            } else {
+            } elseif ($type == 'tree') {
                 $this->entries[$name] = array($mode, $this->repository->getTree($hash));
+            } else {
+                $this->entries[$name] = array($mode, new CommitReference($hash));
             }
         }